Carbon dioxide heat pump thermal management system for a new energy vehicle and its operating method

专利摘要:
The present invention describes a thermal management system with carbon dioxide heat pump for a new energy vehicle and its operating method. The system includes an electronic carbon dioxide compressor, a condensing heat exchanger, an electronic carbon dioxide expansion valve, an evaporative heat exchanger, an HVAC assembly, a battery heat exchanger, a heat exchanger front end heat of the vehicle, electronic fan, first electronic water pump, second electronic water pump, third electronic water pump, fourth electronic water pump, first electronic water valve, second electronic water valve, a third electronic water valve, a fourth electronic water valve, a fifth electronic water valve, a sixth electronic water valve, a seventh electronic water valve, a first vase of water expansion, and a second water expansion vessel. Functions such as heating, cooling, dehumidifying and demisting the system can be allocated via a water circuit to maintain a stable refrigeration system. In addition, the system is integrated into a vehicle thermal management system, which is advantageous for the thermal management of a supply battery and allows better use of the vehicle's energy. Figure for the abstract: Figure 1
公开号:FR3085068A1
申请号:FR1909157
申请日:2019-08-12
公开日:2020-02-21
发明作者:Zemin YU；Zhenjun GUO
申请人:NANJING XIEZHONG AUTO AIRCONDITIONER GROUP CO Ltd；
IPC主号:

专利说明:

Description
Title of the invention: Thermal management system with carbon dioxide heat pump for new energy vehicle and its operating method Technical field [0001] The present invention relates to a vehicle air conditioner and, in particular, a management system carbon dioxide heat pump heat pump for new energy vehicle and its operating method.
STATE OF THE ART At present, carbon dioxide heat pump air conditioning systems are still not applied to domestic vehicles, nor applied to the thermal management of a new energy vehicle. Compared to other existing refrigeration systems, the carbon dioxide heat pump system has high thermal efficiency at low temperatures but, due to high pressure (over 110 bar) during operation of the carbon pump system. carbon dioxide heat, there is a risk of hidden danger if high pressure is produced in the passenger compartment. Therefore, parts related to the refrigeration and heating cycles of the refrigeration system should not be placed in the passenger compartment, but rather only in the front compartment. In addition, it is necessary to switch between different operating modes to obtain on a cycle of the carbon dioxide refrigeration system the functions such as heating, cooling, dehumidification and demisting required for the passenger compartment, which generates complexity and instability of the carbon dioxide system.
Presentation of the invention [0003] Object of the present invention: the object of the present invention is to provide a carbon dioxide heat pump thermal management system for a new energy vehicle and its operating method. System functions such as cooling, heating, dehumidification and demisting can be allocated via a water circuit to maintain a stable refrigeration system. In addition, the system is integrated into a vehicle thermal management system, which is advantageous for the thermal management of a supply battery and allows better use of the vehicle's energy.
To achieve the above objective, the present invention implements the following technical solution. A carbon dioxide heat pump thermal management system for a new energy vehicle is provided, including: an electronic carbon dioxide compressor, a condensing heat exchanger, an electronic carbon dioxide regulator, a evaporative heat exchanger, an HVAC assembly, a battery heat exchanger, a vehicle front end heat exchanger, an electronic fan, a first electronic water pump, a second electronic water pump, a third electronic water pump, a fourth electronic water pump, a first electronic water valve, a second electronic water valve, a third electronic water valve, a fourth electronic water valve, a fifth water valve electronic water, a sixth electronic water valve, a seventh electronic water valve, a first water expansion vessel, and a two th water expansion tank;
An outlet port of the electronic carbon dioxide compressor being connected to a refrigerant inlet port of the condensing heat exchanger, a refrigerant outlet port of the condensing heat exchanger being connected to a refrigerant inlet port of the evaporative heat exchanger via the electronic carbon dioxide expansion valve, and a refrigerant outlet port of the evaporative heat exchanger being connected to a port input of electronic carbon dioxide compressor;
The HVAC assembly containing an air flow passage internal to the vehicle a, an air flow passage internal to the vehicle b and an air flow passage internal to the vehicle c, one end of the vehicle internal air flow passage a, one end of the vehicle internal air flow passage b and one end of the vehicle internal air flow passage c being respectively connected to the internal air at vehicle, the other end of the air flow passage internal to the vehicle a being connected to the other end of the air flow passage internal to the vehicle b and to the other end of the air flow passage vehicle internal air c, a blower and a first passenger compartment heat exchanger being fixed in the vehicle internal air flow passage a, the blower being configured to cause vehicle internal air to flow at across a surface of the first heat exchanger cockpit hauler, and a second cabin heat exchanger being fixed in the air flow passage internal to the vehicle b;
A water outlet port of the first passenger compartment heat exchanger being connected to a water inlet port of the evaporative heat exchanger, and a water inlet port of the first exchanger of cabin heat being connected to one end of the first electronic water valve, to a heat pump water outlet of the heat exchanger of the supply battery, and to one end of the seventh electronic water valve, the other end of the seventh electronic water valve being connected to a water outlet port of the front end heat exchanger of the vehicle, one side of the heat exchanger of the front end of the vehicle being equipped with the electronic fan, a water outlet port of the second passenger compartment heat exchanger being connected to a water inlet port of the condensing heat exchanger, a port d water inlet of the second exchanger heat from the cabin being connected to a water outlet port of the front end heat exchanger of the vehicle, to one end of the fourth electronic water valve, and to the water outlet port of the heat exchanger of the heat exchanger of the supply battery, a water outlet port of the evaporative heat exchanger being connected to an inlet port of the first electronic water pump and to a end of the fifth electronic water valve, an outlet of the first electronic water pump being connected to one end of the second electronic water valve and to the other end of the first electronic water valve, a water inlet port of the front end heat exchanger of the vehicle being connected to the other end of the second electronic water valve and to one end of the third electronic water valve, a port of water outlet of the condensing heat exchanger being connected to an inlet port of the second electronic water pump, an outlet port of the second electronic water pump being connected to the other end of the third electronic water valve , at the other end of the fourth electronic water valve, and at one end of the sixth electronic water valve, the other end of the sixth electronic water valve and the other end of the fifth water valve water being connected to an inlet port of the third electronic water pump, and an outlet port of the third electronic water pump being connected to an inlet port of heat pump heat exchanger heat from the supply battery; and an outlet for cooling water from the heat exchanger of the supply battery being connected to an inlet for the fourth electronic water pump, an outlet for the fourth water pump. electronic water being connected to a cooling water inlet port of a supply battery, and a cooling water outlet port of the supply battery being connected to a water inlet port for cooling the heat exchanger of the supply battery.
In addition, the system further comprises a first water expansion vessel and a second water expansion vessel, the first water expansion vessel being connected to the third electronic water valve , to the fourth electronic water valve and to the sixth electronic water valve, and the second water expansion vessel being connected to the cooling water inlet port of the supply battery.
In addition, the condensing heat exchanger and the evaporative heat exchanger are both plate heat exchangers.
There is provided a method of operating the thermal management system with carbon dioxide heat pump for a new energy vehicle described above. The operating method comprises the following steps: when a passenger compartment needs to be cooled, control of the throttle valve to connect the internal air flow passage to the vehicle a to the flow passage vehicle internal air c and disconnect vehicle internal air flow passage a from vehicle internal air flow passage b, allowing air inside the passenger compartment to enter the passage of internal air flow to the vehicle a by being driven by the blower then being discharged by the passage of internal air flow to the vehicle c, and starting of the second electronic water pump, of the third electronic water valve, electronic fan, first electronic water pump, and first electronic water valve, refrigerant flowing out of the electronic carbon dioxide compressor passing successively through the screen condensing heat sink, electronic carbon dioxide expansion valve and evaporative heat exchanger, then entering the electric carbon dioxide compressor, the refrigerant condensing as it flows through the condensing heat exchanger, and transferring heat to the circulation water of the heat pump flowing through the condensing heat exchanger during condensation, the circulation water of the heat pump flowing through the condensing heat exchanger emitting heat to the outside of the vehicle via the front end heat exchanger of the vehicle, and the refrigerant evaporating as it flows through the evaporative heat exchanger, and absorbing heat in the circulation water of the heat pump flowing through the evaporative heat exchanger during evaporation, and the circulation water of the heat pump flowing through the evaporative heat exchanger absorbing heat from the air inside the passenger compartment via the first passenger compartment heat exchanger, to cool the passenger compartment ;
When the supply battery needs to be cooled, control of the throttle valve to disconnect the air flow passage internal to the vehicle a from the air flow passage internal to the vehicle c and vehicle internal air flow passage b, and starting the second electronic water pump, the third electronic water valve, the electronic fan, the third electronic water pump, the fifth water valve electronic water, and from the fourth electronic water pump, a refrigerant flowing out of the electronic carbon dioxide compressor passing successively through the condensing heat exchanger, the electronic carbon dioxide expander and the exchanger of heat by evaporation, then entering the electric carbon dioxide compressor, the refrigerant undergoing condensation as it flows through the heat exchanger r condensing and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger during condensation, the circulating water of the heat pump flowing through the condensing heat exchanger emitting heat to the outside of the vehicle via the front end heat exchanger of the vehicle, and the refrigerant evaporating as it flows through the heat exchanger by evaporation, and absorbing heat in the circulation water of the heat pump flowing through the heat exchanger by evaporation during evaporation, the circulation water of the heat pump flowing through the evaporative heat exchanger absorbing heat in the battery cooling water via the battery heat exchanger, and the battery cooling water flowing through the b power supply and absorbing heat emitted by the supply battery, to cool the supply battery;
When the passenger compartment needs to be cooled and the supply battery needs to be refrigerated, control of the throttle valve to connect the internal air flow passage to the vehicle a to the passage d vehicle internal air flow c and disconnect the vehicle internal air flow passage a from the vehicle internal air flow passage b, which allows the air inside the passenger compartment to enter the vehicle internal air flow passage a by being driven by the blower then be discharged by the vehicle internal air flow passage c, and start the second electronic water pump , the third electronic water valve, the electronic fan, the first electronic water pump, the first electronic water valve, the third electronic water pump, the fifth electronic water valve and the fourth electronic water pump, u n refrigerant flowing out of the electronic carbon dioxide compressor passing successively through the condensing heat exchanger, the electronic carbon dioxide expansion valve and the evaporative heat exchanger, then entering the electric compressor carbon dioxide, the refrigerant condensing as it flows through the condensing heat exchanger, and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger during condensation, the circulating water from the heat pump flowing through the condensing heat exchanger emitting heat to the outside of the vehicle via the front end heat exchanger of the vehicle, and the refrigerant evaporating as it flows through the evaporative heat exchanger, and absorbing heat in the circulating water of the heat pump flowing through the evaporative heat exchanger during evaporation, the circulating water of the heat pump flowing through the evaporative heat exchanger being distributed over two channels, one channel absorbing heat from the air inside the passenger compartment via the first passenger compartment heat exchanger, to cool the passenger compartment, the other channel absorbing heat from the cooling water from the battery via the heat exchanger of the supply battery, and the water for cooling the battery flowing through the supply battery and absorbing heat emitted by the supply battery, for cooling the supply battery; When the passenger compartment needs to be heated, control of the throttle valve to connect the internal air flow passage to the vehicle a to the internal air flow passage to the vehicle b and disconnect the passage internal air flow to vehicle a from internal air flow passage to vehicle c, which allows air inside the passenger compartment to enter the internal air flow passage to vehicle a by being driven by the blower and then being discharged by the air flow passage internal to the vehicle b, and starting the first electronic water pump, the second electronic water valve, the electronic fan , the seventh electronic water valve, the second electronic water pump, and the fourth electronic water valve, a refrigerant flowing out of the electronic carbon dioxide compressor passing successively through the exchanger heat condensation, the electronic carbon dioxide regulator, and the evaporative heat exchanger, then entering the electric carbon dioxide compressor, the refrigerant evaporating as it flows through the heat exchanger by evaporation and absorbing heat in the circulation water of the heat pump flowing through the heat exchanger by evaporation during evaporation, the circulation water of the heat pump flowing through the evaporative heat exchanger absorbing heat from the air outside the vehicle via the front end heat exchanger of the vehicle, the refrigerant condensing as it flows through the condensing heat exchanger and transferring heat to the circulation water of the heat pump flowing through the condensing heat exchanger during condensation, and the water circulating the heat pump flowing through the condensing heat exchanger transferring heat to the air inside the vehicle via the second cabin heat exchanger, to heat the cabin;
When the supply battery needs to be preheated, control of the throttle valve to disconnect the internal air flow passage to the vehicle a from the internal air flow passage to the vehicle c and the vehicle internal air flow passage b, and start of the first electronic water pump, the second electronic water valve, the electronic fan, the seventh electronic water valve, the second pump electronic water valve, the sixth electronic water valve, the third electronic water pump and the fourth electronic water pump, a refrigerant flowing out of the electronic carbon dioxide compressor passing successively through the condensing heat exchanger, electronic carbon dioxide expansion valve and evaporative heat exchanger, then entering the electric carbon dioxide compressor, the refrigerant igene undergoing evaporation as it flows through the evaporative heat exchanger and absorbing heat in the circulating water of the heat pump flowing through the evaporative heat exchanger during l evaporation, the circulating water of the heat pump flowing through the heat exchanger by evaporation absorbing heat in the air outside the vehicle via the front end heat exchanger of the vehicle, the refrigerant condensing as it flows through the condensing heat exchanger, transferring heat to the circulating water of the heat pump flowing through the heat exchanger condensing during condensation, the circulating water of the heat pump flowing through the condensing heat exchanger transferring heat to the cooling water of the coil via the heat exchanger d e the supply battery, and the water for cooling the battery flowing through the supply battery to heat the supply battery, to preheat the supply battery;
When the passenger compartment needs to be heated and the supply battery needs to be preheated, control of the throttle valve to connect the internal air flow passage to the vehicle a to the passage d vehicle internal air flow b and disconnect the vehicle internal air flow passage a from the vehicle internal air flow passage c, which allows the air inside the passenger compartment to enter the air flow passage internal to the vehicle a while being driven by the blower then be discharged by the air flow passage internal to the vehicle b, and start up of the first electronic water pump , the second electronic water valve, the electronic fan, the seventh electronic water valve, the second electronic water pump, the fourth electronic water valve, the sixth electronic water valve, the third electronic water pump and the fourth electronic water pump, a refrigerant flowing out of the electronic carbon dioxide compressor passing successively through the condensing heat exchanger, the electronic carbon dioxide expansion valve and the evaporative heat exchanger, then entering the electric carbon dioxide compressor, the refrigerant evaporating as it flows through the heat exchanger by evaporation and absorbing heat in the circulation water of the heat pump s flowing through the evaporative heat exchanger during evaporation, the circulating water of the heat pump flowing through the evaporative heat exchanger absorbing heat in the air at outside the vehicle via the front end heat exchanger of the vehicle, the refrigerant condensing as it flows through the heat exchanger condensing hauler and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger during condensation, the circulating water of the heat pump flowing through the condensing heat exchanger being distributed over two channels, one channel transferring heat to the air inside the vehicle via the second cabin heat exchanger, to heat the cabin, and the other channel transferring heat to the water for cooling the battery via the heat exchanger of the supply battery, and the water for cooling the battery flowing through the supply battery to heat the supply battery, to preheat the battery; and when the passenger compartment needs to be dehumidified and demistered, control of the throttle valve to connect the internal air flow passage to the vehicle a to the internal air flow passage to the vehicle b and disconnect the air flow passage internal to the vehicle a from the air flow passage internal to the vehicle c, which allows the air inside the passenger compartment to enter the air flow passage internal to the vehicle a by being driven by the blower then being discharged by the air flow passage internal to the vehicle b, and starting the first electronic water pump, the first electronic water valve, from the second electronic water pump and the fourth electronic water valve, a refrigerant flowing out of the electronic carbon dioxide compressor passing successively through the condensing heat exchanger, the electronic dioxide expansion valve of carbon and the evaporative heat exchanger, then entering the electric carbon dioxide compressor, the refrigerant evaporating as it flows through the evaporative heat exchanger and absorbing heat into the circulating water of the heat pump flowing through the evaporative heat exchanger during evaporation, the circulating water of the heat pump flowing through the evaporative evaporative heat exchanger heat from the air inside the passenger compartment via the first passenger compartment heat exchanger to dehumidify the air inside the vehicle, the refrigerant condensing as it flows through the heat exchanger condensing and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger during condensation, and the circulating water of the pump with heat flowing through the condensing heat exchanger transferring heat to the air inside the vehicle via the second cabin heat exchanger, further heating the air inside the vehicle, and the air hot dry heated being introduced into the vehicle to eliminate fogging on a window.
An air conditioning system for an electronic heat pump vehicle according to the present invention is characterized by the following advantages:
1. A high pressure carbon dioxide refrigeration system can be assembled in one piece, which shortens the refrigeration pipe, reduces the number of joints, reduces the risk of leakage, so that the system can be installed in one piece in a compartment at the front of the vehicle, which improves safety;
2. The cooling and heating generated by the high pressure carbon dioxide refrigeration system can be sent to a place in need by allocation and management of a water circuit, and the heating and cooling too are emitted into the atmosphere via a heat exchanger, which gives safety, reliability and efficiency to the entire system;
3. The system is integrated into a vehicle thermal management system, which is beneficial to the thermal management of the supply battery and improves the use of vehicle energy.
Brief description of the drawings [fig-1] is a schematic structural representation of the present invention; and [fig.2] is a schematic structural representation of an HVAC assembly.
In Ligure 1: 1 - electronic carbon dioxide compressor, 2 - condensing heat exchanger, 3 - electronic carbon dioxide expansion valve, 4 evaporative heat exchanger, 5 - HVAC assembly, 6 - heat exchanger supply battery heat, 7 - supply battery, 8 - vehicle front end heat exchanger, 9 - electronic fan, 10 - first electronic water pump, 11 - second electronic water pump, 12 - third electronic water pump, 13 - fourth electronic water pump, 14 - first electronic water valve, 15 - second electronic water valve, 16 - third electronic water valve, 17 - fourth electronic water valve, 18 - fifth electronic water valve, 19 - sixth electronic water valve, 20 - seventh electronic water valve, 21 - first water expansion vessel, 22 - second water expansion vessel;
In Ligure 2: 5-1 - air flow passage internal to the vehicle a, 5-2 - air flow passage internal to the vehicle b, 5-3 - flow passage vehicle internal air c, 5-4 - throttle valve, 5-5 - blower, 5-6 - first cabin heat exchanger, 5-7 - second cabin heat exchanger.
Detailed Description The present invention will be explained in more detail below in connection with the accompanying drawings.
As shown in Figure 1 and Figure 2, a thermal management system with carbon dioxide heat pump for a new energy vehicle of the present invention comprises an electronic carbon dioxide compressor 1, a heat exchanger condensing heat 2, an electronic carbon dioxide expansion valve 3, an evaporative heat exchanger 4, an HVAC assembly 5, a battery pack heat exchanger 6, a vehicle front end heat exchanger 8, an electronic fan 9, a first electronic water pump 10, a second electronic water pump 11, a third electronic water pump 12, a fourth electronic water pump 13, a first electronic water valve 14, a second valve d water 15, a third electronic water valve 16, a fourth electronic water valve 17, a fifth electronic water valve 18, a sixth water valve electronics 19, a seventh electronic water valve 20, a first vessel water expansion 21, and a second vessel of water 22 expansion.
An outlet of the electronic carbon dioxide compressor 1 is connected to an inlet of refrigerant of the condensing heat exchanger 2, an outlet of refrigerant of the heat exchanger to condensation 2 is connected to a refrigerant inlet port of the evaporative heat exchanger 4 via the electronic carbon dioxide expansion valve 3, and a refrigerant outlet port of the heat exchanger through evaporation 4 is connected to an inlet port of the electronic carbon dioxide compressor 1.
The HVAC assembly 5 contains an air flow passage internal to the vehicle a 5-1, an air flow passage internal to the vehicle b 5-2, and an air flow passage internal to the vehicle c 5-3. One end of the vehicle internal air flow passage a 5-1, one end of the vehicle internal air flow passage b 5-2 and one end of the vehicle internal air flow passage c 5-3 are respectively connected to the internal air to the vehicle, and the other end of the air flow passage internal to the vehicle a 5-1 is connected to the other end of the air flow internal passage at vehicle b 5-2 and at the other end of the air flow passage internal to vehicle c 5-3 via a throttle valve 5-4 respectively. A blower 5-5 and a first cabin heat exchanger 5-6 are fixed in the internal air flow passage to the vehicle a 5-1, the blower 5-5 being configured to drive the internal air to the vehicle to flow through a surface of the first passenger compartment heat exchanger 5-6, and a second passenger compartment heat exchanger 5-7 is fixed in the internal air flow passage of the vehicle b 5- 2.
A water outlet port of the first cabin heat exchanger 5-6 is connected to a water inlet port of the evaporative heat exchanger 4, and an inlet port of water from the first passenger compartment heat exchanger 5-6 is connected to one end of the first electronic water valve 14, to a heat pump water outlet port of the heat exchanger of the coil supply 6, and at one end of the seventh electronic water valve 20. The other end of the seventh electronic water valve 20 is connected to a water outlet port of the front end heat exchanger of the vehicle 8, and one side of the front end heat exchanger of the vehicle 8 is equipped with the electronic fan 9. A water outlet port of the second cabin heat exchanger 5-7 is connected to an orifice water inlet of the condensing heat exchanger 2, and a water inlet port of the second passenger compartment heat exchanger 5-7 is connected to a water outlet orifice of the front end heat exchanger of the vehicle 8, to one end of the fourth electronic water valve 17, and to the heat pump water outlet of the heat exchanger of the supply battery 6. A water outlet of the evaporative heat exchanger 4 is connected to an inlet of the first electronic water pump 10 and at one end of the fifth electronic water valve 18, and an outlet orifice of the first electronic water pump 10 is connected to one end of the second electronic water valve 15 and at the other end of the first electronic water valve 14. A water inlet orifice of the front end heat exchanger of the vehicle 8 is connected to the other end of the second water valve electronics 15 and at one end of the third valve d electronic water 16, and a water outlet port of the condensing heat exchanger 2 is connected to an inlet port of the second electronic water pump 11. An outlet port of the second electronic water pump 11 is connected to the other end of the third electronic water valve 16, to the other end of the fourth electronic water valve 17, and to one end of the sixth electronic water valve 19. The other end of the sixth electronic water valve 19 and the other end of the fifth electronic water valve 18 are connected to an inlet port of the third electronic water pump 12, and an outlet port of the third pump water cooler 12 is connected to a heat pump water inlet port of the heat exchanger of the supply battery 6.
An outlet for cooling water from the heat exchanger of the supply battery 6 is connected to an inlet for the fourth electronic water pump 13, an outlet for the fourth pump water cooler 13 is connected to a cooling water inlet port of a supply battery 7, and a cooling water outlet port of the supply battery 7 is connected to a port supply water cooling water heat exchanger cooling water 6.
The carbon dioxide heat pump thermal management system for a new energy vehicle further contains a first water expansion vessel 21 and a second water expansion vessel 22. The first vessel d water expansion 21 is connected to the third electronic water valve 16, to the fourth electronic water valve 17 and to the sixth electronic water valve 19, the first water expansion vessel 21 being configured to complete the circulation water of the heat pump, the second water expansion vessel 22 being connected to the cooling water inlet orifice of the supply battery 7, and the second vessel d water expansion 22 being configured to supplement the cooling water of the battery.
In this embodiment, the condensing heat exchanger 2 and the evaporative heat exchanger 4 are plate heat exchangers. A method of operating the system described above for carbon dioxide heat pump thermal management for a new energy vehicle is made available. The operating process includes the following steps:
When the passenger compartment needs to be cooled, control of the throttle valve 5-4 to connect the internal air flow passage to the vehicle a 5-1 to the internal air flow passage at vehicle c 5-3 and disconnect the vehicle internal air flow passage a 5-1 from the vehicle internal air flow passage b 5-2, which allows the air inside the passenger compartment entering the air flow passage internal to the vehicle a 5-1 by being driven by the blower 5-5 and then being discharged by the air flow passage internal to the vehicle c 5-3, and starting the second electronic water pump 11, the third electronic water valve 16, the electronic fan 9, the first electronic water pump 10 and the first electronic water valve 14, a refrigerant flowing out of the electronic carbon dioxide compressor 1 passing successively through the heat exchanger condenser 2, the electronic carbon dioxide expansion valve 3 and the evaporative heat exchanger 4, then entering the electric carbon dioxide compressor 1, the refrigerant condensing as it flows through the condensing heat exchanger 2, and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger 2 during the condensation, the circulating water of the pump to heat flowing through the condensing heat exchanger 2 emitting heat to the outside of the vehicle via the front end heat exchanger of the vehicle 8, and the refrigerant evaporating while it flows through the evaporative heat exchanger 4 and absorbs heat in the circulation water of the heat pump flowing through the evaporative heat exchanger 4 during evaporation, and the circulation water of the heat pump flowing through the evaporative heat exchanger 4 absorbing heat from the air inside the passenger compartment via the first passenger compartment heat exchanger 5-6, to cool the passenger compartment;
When the supply battery 7 needs to be cooled, control of the throttle valve 5-4 to disconnect the air flow passage internal to the vehicle 5-1 from the flow passage vehicle internal air c 5-3 and vehicle internal air flow passage b 5-2, and starting of the second electronic water pump 11, of the third electronic water valve 16, of the fan electronic 9, the third electronic water pump 12, the fifth electronic water valve 18 and the fourth electronic water pump 13, a refrigerant flowing out of the electronic carbon dioxide compressor 1 passing successively to through the condensing heat exchanger 2, the electronic carbon dioxide expansion valve 3 and the evaporative heat exchanger 4, then entering the electronic carbon dioxide compressor 1, the refrigerant condensing while it flows through the condensing heat exchanger 2 and transfers heat to the circulation water of the heat pump flowing through the condensing heat exchanger 2 during condensation, l heat pump circulation water flowing through the condensing heat exchanger 2 emitting heat towards the outside of the vehicle via the front end heat exchanger of the vehicle 8, the refrigerant undergoing evaporation as it flows through the evaporative heat exchanger 4 and absorbing heat in the circulating water of the heat pump flowing through the evaporative heat exchanger 4 for l evaporation, and the circulating water of the heat pump flowing through the evaporative heat exchanger 4 absorbing heat in the battery cooling water via the battery heat exchanger d '' feed 6, and the water for cooling the battery flowing through the battery 7 and absorbing heat emitted by the battery 7, to cool the battery 7;
When the passenger compartment needs to be cooled and the supply battery 7 needs to be refrigerated, control of the throttle valve 5-4 to connect the internal air flow passage to the vehicle a 5-1 at the vehicle internal air flow passage c 5-3 and disconnect the vehicle internal air flow passage a 5-1 from the vehicle internal air flow passage b 5.2, which allows the air inside the passenger compartment to enter the air flow passage internal to the vehicle a 5-1 by being driven by the blower 5-5 and then to be discharged by the passage of internal air flow to the vehicle c 5-3, and starting of the second electronic water pump 11, of the third electronic water valve 16, of the electronic fan 9, of the first electronic water pump 10, of the first electronic water valve 14, the third electronic water pump 12, the fifth electronic water valve e 18 and the fourth electronic water pump 13, a refrigerant flowing out of the electronic carbon dioxide compressor 1 passing successively through the condensing heat exchanger 2, the electronic carbon dioxide expander 3, and the evaporative heat exchanger 4, then entering the electric carbon dioxide compressor 1, the refrigerant condensing as it flows through the condensing heat exchanger 2, and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger 2 during condensation, the circulating water of the heat pump flowing through the condensing heat exchanger condensation 2 emitting heat to the outside of the vehicle via the front end heat exchanger of the vehicle 8, the refrigerant evaporating as it flows through to the evaporative heat exchanger 4 and absorbing heat in the circulation water of the heat pump flowing through the evaporative heat exchanger 4 during evaporation, the circulation water of the heat pump flowing through the evaporative heat exchanger 4 being distributed over two channels, one channel absorbing heat from the air inside the passenger compartment via the first passenger compartment heat exchanger 5-6, for cooling the passenger compartment, and the other channel absorbing heat in the battery cooling water via the heat exchanger of the supply battery 6, and the battery cooling water flowing through the supply battery 7 and absorbing heat emitted by the supply battery 7, to cool the supply battery 7;
When the passenger compartment needs to be heated, control of the throttle valve 5-4 to connect the internal air flow passage to the vehicle 5-1 to the internal air flow passage at vehicle b 5-2 and disconnect the air flow passage internal to the vehicle a 5-1 from the air flow passage internal to the vehicle c 5-3, which allows the air inside the passenger compartment to enter the air flow passage internal to the vehicle a 5-1 by being driven by the blower 5-5 and then to be discharged by the air flow passage internal to the vehicle b 5-2, and starting the first electronic water pump 10, the second electronic water valve 15, the electronic fan 9, the seventh electronic water valve 20, the first electronic water pump 11, and the fourth electronic water valve 17, a refrigerant flowing out of the electronic carbon dioxide compressor 1 passing successively through the condensing heat exchanger 2, the electronic carbon dioxide expansion valve 3 and the evaporative heat exchanger 4, then entering the electric carbon dioxide compressor 1, the refrigerant undergoing evaporation while 'it flows through the evaporative heat exchanger 4 and absorbs heat in the circulating water of the heat pump flowing through the evaporative heat exchanger 4 during evaporation, l circulation water from the heat pump flowing through the evaporative heat exchanger 4 absorbing heat in the air outside the vehicle via the front end heat exchanger of the vehicle 8, the refrigerant undergoing condensation as it flows through the condensing heat exchanger 2 and transferring heat to the circulation water of the heat pump flowing through the condensing heat changer 2, and the circulating water from the heat pump flowing through the condensing heat exchanger 2 transferring heat to the internal air in the vehicle via the second heat exchanger passenger compartment 5-7, to warm the passenger compartment;
When the supply battery 7 needs to be preheated, control of the throttle valve 5-4 to disconnect the internal air flow passage to the vehicle 5-1 from the flow passage vehicle internal air c 5-3 and vehicle internal air flow passage b 5-2, and starting of the first electronic water pump 10, of the second electronic water valve 15, of the fan electronic 9, the seventh electronic water valve 20, the second electronic water pump 11, the sixth electronic water valve 19, the third electronic water pump 12 and the fourth electronic water pump 13, a refrigerant flowing out of the electronic carbon dioxide compressor 1 passing successively through the condensing heat exchanger 2, the electronic carbon dioxide expansion valve 3 and the evaporative heat exchanger 4, then entering the compressor é carbon dioxide 1, the refrigerant evaporating as it flows through the evaporative heat exchanger 4 and absorbing heat in the circulating water of the heat pump flowing at through the evaporative heat exchanger 4 during evaporation, the circulation water from the heat pump flowing through the evaporative heat exchanger 4 absorbing heat in the air outside the vehicle via the vehicle's front end heat exchanger 8, the refrigerant condensing as it flows through the condensing heat exchanger 2, transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger 2 during condensation, and the circulating water of the heat pump flowing through the condensing heat exchanger 2 transferring heat to l the water for cooling the battery via the heat exchanger of the supply battery 6, and the water for cooling the battery flowing through the supply battery 7 to heat the supply battery 7, to preheat the supply battery 7;
When the passenger compartment needs to be heated and the supply battery 7 needs to be preheated, control of the throttle valve 5-4 to connect the internal air flow passage to the vehicle a 5-1 at the vehicle internal air flow passage b 5-2 and disconnect the vehicle internal air flow passage a 5-1 from the vehicle internal air flow passage c 5- 3, which allows the air inside the passenger compartment to enter the air flow passage internal to the vehicle a 5-1 by being driven by the blower 5-5 and then to be discharged by the passage air flow inside the vehicle b 5-2, and start-up of the first electronic water pump 10, of the second electronic water valve 15, of the electronic fan 9, of the seventh electronic water valve 20, the second electronic water pump 11, the fourth electronic water valve 17, the sixth electric water valve 1 9, the third electronic water pump 12 and the fourth electronic water pump 13, a refrigerant flowing out of the electronic carbon dioxide compressor 1 passing successively through the condensing heat exchanger 2, the electronic carbon dioxide expansion valve 3 and the evaporative heat exchanger 4, then entering the electric carbon dioxide compressor 1, the refrigerant evaporating as it flows through the heat exchanger through evaporation 4 and absorbing heat in the circulating water of the heat pump flowing through the evaporative heat exchanger 4 during evaporation, the circulating water of the heat pump flowing at through the evaporative heat exchanger 4 absorbing heat in the air outside the vehicle via the front end heat exchanger 8 of the vehicle, the refrigerant sub emitting condensation as it flows through the condensing heat exchanger 2 and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger 2 during condensation, the circulation water of the heat pump flowing through the condensing heat exchanger 2 being distributed over two channels, one channel transferring heat to the internal air in the vehicle via the second heat exchanger passenger compartment heat 5-7, to heat the passenger compartment, and the other channel transferring heat to the battery cooling water via the heat exchanger of the supply battery 6, and the water cooling the battery flowing through the supply battery 7 to heat the supply battery 7, to preheat the supply battery 7; and when the passenger compartment needs to be dehumidified and demisted, control of the throttle valve 5-4 to connect the internal air flow passage to the vehicle a 5-1 to the flow passage vehicle internal air b 5-2 and disconnect the vehicle internal air flow passage a 5-1 from the vehicle internal air flow passage c 5-3, which allows the internal air to the passenger compartment to enter the air flow passage internal to the vehicle a 5-1 by being driven by the blower 5-5 and then to be discharged by the air flow passage internal to the vehicle b 5 -2, and starting the first electronic water pump 10, the first ironic electric water valve 14, the second electronic water pump 11 and the fourth electronic water valve 17, a refrigerant s flowing out of the electronic carbon dioxide compressor 1 passing successively through the condon heat exchanger station 2, the electronic carbon dioxide regulator 3, and the evaporative heat exchanger 4, then entering the electric carbon dioxide compressor 1, the refrigerant evaporating as it flows through the evaporative heat exchanger 4 and absorbing heat in the circulating water of the heat pump flowing through the evaporative heat exchanger 4 during evaporation, the circulating water of the pump to heat flowing through the evaporative heat exchanger 4 absorbing heat from the air inside the passenger compartment via the first passenger compartment heat exchanger 5-6 to dehumidify the air inside the vehicle, the fluid refrigerant undergoing condensation as it flows through the condensing heat exchanger 2 and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger sation 2 during condensation, the circulation water from the heat pump flowing through the condensing heat exchanger 2 transferring heat to the air inside the vehicle via the second passenger compartment heat exchanger 5 -7, by further heating the air inside the vehicle, and the heated dry hot air being introduced into the vehicle to eliminate the fogging on a window.
The above description represents only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make several improvements and refinements without departing from the principle of the present invention, and that these improvements and refinements should be considered to be included in the scope of protection of the present invention.

权利要求:
Claims (1)
[1" id="c-fr-0001]
[Claim 1]
claims
Carbon dioxide heat pump thermal management system for a new energy vehicle comprising: an electronic carbon dioxide compressor (1), a condensing heat exchanger (2), an electronic carbon dioxide regulator (3) , an evaporative heat exchanger (4), an HVAC assembly (5), a battery heat exchanger (6), a vehicle front end heat exchanger (8), an electronic fan (9 ), a first electronic water pump (10), a second electronic water pump (11), a third electronic water pump (12), a fourth electronic water pump (13), a first electronic water valve ( 14), a second electronic water valve (15), a third electronic water valve (16), a fourth electronic water valve (17), a fifth electronic water valve (18), a sixth valve electronic water valve (19), a seventh electric water valve ronique (20), a first water expansion vessel (21), and a second water expansion vessel (22);
an outlet of the electronic carbon dioxide compressor (1) being connected to an inlet of the condensing heat exchanger (2), an outlet of the refrigerant outlet of the condensing heat exchanger ( 2) being connected to a refrigerant inlet port of the evaporative heat exchanger (4) via the electronic carbon dioxide expansion valve (3), and a refrigerant outlet port of the heat exchanger by evaporation (4) being connected to an inlet port of the electronic carbon dioxide compressor (1);
the HVAC assembly (5) containing an air flow passage internal to the vehicle a (5-1), an air flow passage internal to the vehicle b (5-2) and a flow passage d vehicle internal air c (5-3), one end of the vehicle internal air flow passage a (5-1), one end of the vehicle internal air flow passage b (5-2 ) and one end of the vehicle internal air flow passage c (5-3) being respectively connected to the vehicle internal air, the other end of the vehicle internal air flow passage a (5 -1) being connected to the other end of the air flow passage internal to the vehicle b (5-2) and to the other end of the air flow passage internal to the vehicle c (5-3) , via a throttle valve (5-4) respectively, a blower (5-5) and a first cabin heat exchanger (5-6) being fixed in the air flow passage internal to the vehicle a (5-1), the blower ( 5-5) being configured to cause air inside the vehicle to flow through a surface of the first cabin heat exchanger (5-6), and a second cabin heat exchanger (5-7) being fixed in the internal air flow passage to the vehicle b (5-2);
a water outlet port of the first passenger compartment heat exchanger (5-6) being connected to a water inlet port of the evaporative heat exchanger (4), and an inlet port d water from the first cabin heat exchanger (5-6) being connected to one end of the first electronic water valve (14), to a heat pump water outlet of the heat exchanger of the supply battery (6), and at one end of the seventh electronic water valve (20), the other end of the seventh electronic water valve (20) being connected to an outlet of water from the front end heat exchanger of the vehicle (8), one side of the front end heat exchanger from the vehicle (8) being equipped with the electronic fan (9), a water outlet port the second passenger compartment heat exchanger (5-7) being connected to a water inlet orifice of the condensing heat exchanger (2), and a water inlet port of the second passenger compartment heat exchanger (5-7) being connected to a water outlet port of the front end heat exchanger of the vehicle (8), at a end of the fourth electronic water valve (17), and at the heat pump water outlet port of the heat exchanger of the supply battery (6), a water outlet port of the evaporative heat exchanger (4) being connected to an inlet port of the first electronic water pump (10) and to one end of the fifth electronic water valve (18), an outlet port of the first electronic water pump (10) being connected to one end of the second electronic water valve (15) and to the other end of the first electronic water valve (14), an inlet port for water from the front end heat exchanger of the vehicle (8) being connected to the other end of the second electric water valve electronics (15) and at one end of the third electronic water valve (16), a water outlet port of the condensing heat exchanger (2) being connected to an inlet port of the second pump water valve (11), an outlet of the second electronic water pump (11) being connected to [Claim 2] [Claim 3] [Claim 4] the other end of the third electronic water valve (16 ), at the other end of the fourth electronic water valve (17) and at one end of the sixth electronic water valve (19), the other end of the sixth electronic water valve (19) and the other end of the fifth electronic water valve (18) being connected to an inlet of the third electronic water pump (12), and an outlet of the third electronic water pump (12) being connected to a heat pump water inlet port of the heat exchanger r of the supply battery (6); and an outlet for cooling water from the heat exchanger of the supply battery (6) being connected to an inlet for the fourth electronic water pump (13), an outlet for the fourth electronic water pump (13) being connected to a cooling water inlet port of a supply battery (7), and a cooling water outlet port of the supply battery (7 ) being connected to a cooling water inlet port of the heat exchanger of the supply battery (6).
A carbon dioxide heat pump thermal management system for a new energy vehicle according to claim 1, further comprising: the first water expansion tank (21) and the second water expansion tank (22 ), the first water expansion vessel (21) being connected to the third electronic water valve (16), the fourth electronic water valve (17) and the sixth electronic water valve (19 ), and the second water expansion tank (22) being connected to the cooling water inlet port of the supply battery (7).
A carbon dioxide heat pump thermal management system for a new energy vehicle according to claim 1, wherein the condensing heat exchanger (2) and the evaporative heat exchanger (4) are both plate heat exchangers. Operating method of the carbon dioxide heat pump thermal management system for a new energy vehicle according to claim 1, the operating method comprising the following steps:
when a passenger compartment needs to be cooled, control the throttle valve (5-4) to connect the internal air flow passage to the vehicle a (5-1) to the internal air flow passage to vehicle c (5-3) and disconnect the air flow passage internal to vehicle a (5-1) from the air flow passage internal to vehicle b (5-2), which allows the air inside the passenger compartment to enter the vehicle internal air flow passage a (5-1) by being driven by the blower (5-5) and then to be discharged by the flow passage of air inside the vehicle c (5-3), and starting of the second electronic water pump (11), of the third electronic water valve (16), of the electronic fan (9), of the first electronic water pump (10), and the first electronic water valve (14), a refrigerant flowing out of the electronic carbon dioxide compressor (1) passing successively through the '' condensing heat exchanger (2), the electronic carbon dioxide regulator (3) and the evaporative heat exchanger (4), then entering the electric carbon dioxide compressor (1), the refrigerant undergoing condensation as it flows through the condensing heat exchanger (2), and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger (2) during condensation, the circulation water from the heat pump flowing through the condensing heat exchanger (2) emitting heat towards the outside of the vehicle via the end heat exchanger front of the vehicle (8), and the refrigerant evaporating as it flows through the evaporative heat exchanger (4) and absorbing heat in the circulation water of the heat pump flowing through the heat exchanger pa r evaporation (4) during evaporation, and the circulation water of the heat pump flowing through the evaporative heat exchanger (4) absorbing heat from the air inside the passenger compartment via the first cabin heat exchanger (5-6), for cooling the cabin;
when the supply battery (7) needs to be cooled, control the throttle valve (5-4) to disconnect the air flow passage internal to the vehicle a (5-1) from the passage internal air flow to vehicle c (5-3) and internal air flow passage to vehicle b (5-2), and starts the second electronic water pump (11), from the third valve electronic water (16), electronic fan (9), third electronic water pump (12), fifth electronic water valve (18), and fourth electronic water pump (13), refrigerant flowing out of the electronic carbon dioxide compressor (1) passing successfully through the condensing heat exchanger (2), the electronic carbon dioxide expansion valve (3) and the heat exchanger by evaporation (4), then entering the electric carbon dioxide compressor (1), the refrigerant undergoing u non-condensing as it flows through the condensing heat exchanger (2), and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger (2) during condensation, the circulation water from the heat pump flowing through the condensing heat exchanger (2) emitting heat towards the outside of the vehicle via the end heat exchanger front of the vehicle (8), and the refrigerant evaporating as it flows through the evaporative heat exchanger (4), and absorbing heat in the circulation water of the heat pump s flowing through the evaporative heat exchanger (4) during evaporation, the circulating water of the heat pump flowing through the evaporative heat exchanger (4) absorbing heat in the cooling water from the coil via the heat exchanger of the supply battery (6), and the cooling water of the battery flowing through the supply battery (7) and absorbing heat emitted by the supply battery (7), to cool the supply battery (7) when the passenger compartment needs to be cooled and the supply battery (7) needs to be refrigerated, control of the throttle valve (5-4) to connect the passage vehicle internal air flow a (5-1) at vehicle internal air flow passage c (5-3) and disconnect the vehicle internal air flow passage a (5-1) ) from the internal air flow passage to the vehicle b (5-2), which allows the air inside the passenger compartment to enter the internal air flow passage to the vehicle a (5- 1) by being driven by the blower (5-5) then being discharged by the internal air flow passage to the vehicle c (5-3), and starting the second electronic water pump (11 ) the third electronic water valve (16), the electronic fan (9), the first electronic water pump (10), the first electronic water valve (14), the third electronic water pump ( 12), the fifth electronic water valve (18) and the fourth electronic water pump (13), a refrigerant flowing out of the electronic carbon dioxide compressor (1) passing successively through the condensing heat exchanger (2), electronic carbon dioxide regulator (3), and evaporative heat exchanger (4), then entering the electric carbon dioxide compressor (1), the refrigerant undergoing condensation as it flows through the condensing heat exchanger (2) and transferring heat to the circulating water of the heat pump flowing through the condensing heat exchanger ( 2) during condensation, the circulating water on from the heat pump flowing through the condensing heat exchanger (2) emitting heat to the outside of the vehicle via the front end heat exchanger of the vehicle (8), and the refrigerant undergoing evaporation as it flows through the evaporative heat exchanger (4) and absorbing heat in the circulating water of the heat pump flowing through the evaporative heat exchanger ( 4) during the evaporation, the circulation water of the heat pump flowing through the evaporative heat exchanger (4) being distributed over two channels, one channel absorbing heat from the internal air to the passenger compartment via the first passenger compartment heat exchanger (5-6), to cool the passenger compartment, and the other channel absorbing the heat in the battery cooling water through the heat exchanger of the supply battery (6), and the cooling water of the battery flowing through the battery pack (7) and absorbing heat from the battery pack (7) to cool the battery pack (7);
when the passenger compartment needs to be heated, control of the throttle valve (5-4) to connect the internal air flow passage to the vehicle a (5-1) to the internal air flow passage to vehicle b (5-2) and disconnect the air flow passage internal to vehicle a (5-1) from the air flow passage internal to vehicle c (5-3), which allows the air inside the passenger compartment to enter the vehicle internal air flow passage a (5-1) by being driven by the blower (5-5) and then to be discharged by the flow passage of air inside the vehicle b (5-2), and switching on the first electronic water pump (10), the second electronic water valve (15), the electronic fan (9), the seventh electronic water valve (20), the second electronic water pump (11), and the fourth electronic water valve (17), a refrigerant flowing out of the electronic dioxide dioxide compressor carbon (1) by successfully passing through the condensing heat exchanger (2), the electronic carbon dioxide expansion valve (3) and the evaporative heat exchanger (4), then entering the electric compressor carbon dioxide (1), the refrigerant evaporating as it flows through the evaporative heat exchanger (4) and absorbing heat in the circulating water of the heat pump s flowing through the evaporative heat exchanger (4) during evaporation, the circulating water of the heat pump flowing through the evaporative heat exchanger (4) absorbing heat in the air outside the vehicle via the front end heat exchanger of the vehicle (8), the refrigerant condensing as it flows through the condensing heat exchanger (2) and transferring heat to the circulation water of the heat pump flowing through the condensing heat exchanger (2) during condensation, and the circulating water of the heat pump flowing through the condensing heat exchanger (2) transferring from the air heat inside the vehicle via the second passenger compartment heat exchanger (5-7), to heat the passenger compartment;
when the supply battery (7) needs to be preheated, control the throttle valve (5-4) to disconnect the air flow passage internal to the vehicle a (5-1) from the passage internal air flow to vehicle c (5-3) and internal air flow passage to vehicle b (5-2), and starting of the first electronic water pump (10), of the second electronic water valve (15), electronic fan (9), seventh electronic water valve (20), second electronic water pump (11), sixth electronic water valve (19) , from the third electronic water pump (12) and from the fourth electronic water pump (13), a refrigerant flowing out of the electronic carbon dioxide compressor (1) passing successively through the heat exchanger condenser (2), the electronic carbon dioxide regulator (3) and the evaporative heat exchanger (4), then ent In the electric carbon dioxide compressor (1), the refrigerant evaporates as it flows through the evaporative heat exchanger (4) and absorbs heat in the circulating water of the heat pump flowing through the evaporative heat exchanger (4) during evaporation, the circulating water of the heat pump flowing through the evaporative heat exchanger (4) absorbing heat in the air outside the vehicle via the front end heat exchanger of the vehicle (8), the refrigerant condensing as it flows through the heat exchanger at condensation (2), transferring heat to the circulation water of the heat pump flowing through the condensing heat exchanger (2) during condensation, and the circulation water of the heat pump flowing through the cond heat exchanger ensation (2) transferring heat to the cooling water of the battery via the heat exchanger of the supply battery (6), and the cooling water of the battery flowing through the battery d power supply (7) for heating the supply battery (7), for preheating the supply battery (7); when the passenger compartment needs to be heated and the supply battery (7) needs to be preheated, control the throttle valve (5-4) to connect the internal air flow passage to the vehicle a (5-1) at the vehicle internal air flow passage b (5-2) and disconnect the vehicle internal air flow passage a (5-1) from the air flow passage vehicle internal air c (5-3), which allows air inside the passenger compartment to enter the vehicle internal air flow passage a (5-1) by being driven by the blower (5-5) then to be discharged by the internal air flow passage to the vehicle b (5-2), and start-up of the first electronic water pump (10), of the second valve electronic water (15), electronic fan (9), seventh electronic water valve (20), second electronic water pump (11), fourth electronic water valve (17), sixth valve of electronic water (19), of the third electronic water pump (12) and of the fourth electronic water pump (13), a refrigerant flowing out of the electronic carbon dioxide compressor (1) passing successively through the condensing heat exchanger (2), the electronic carbon dioxide expansion valve (3) and the evaporative heat exchanger (4), then entering the electric carbon dioxide compressor (1), the refrigerant evaporating as it flows through the evaporative heat exchanger (4) and absorbing heat in the circulating water of the heat pump flowing through the heat exchanger by evaporation (4) during evaporation, the circulating water of the heat pump flowing through the evaporative heat exchanger (4) absorbing heat in the air outside the vehicle via the end heat exchanger ava vehicle (8), and the refrigerant condensing as it flows through the condensing heat exchanger (2) and transferring heat to the circulating water of the heat pump s '' flowing through the condensing heat exchanger (2) during condensation, the circulation water from the heat pump flowing through the condensing heat exchanger (2) being distributed in two ways, one channel transferring heat to the air inside the vehicle via the second cabin heat exchanger (5-7), to heat the cabin, and the other channel transferring heat to the cooling water of the battery via the heat exchanger of the supply battery (6), and the water for cooling the battery flowing through the supply battery (7) to heat the supply battery (7), to preheat the supply battery (7); and when the passenger compartment needs to be dehumidified and demisted, control the throttle valve (5-4) to connect the internal air flow passage to the vehicle a (5-1) to the flow passage d vehicle internal air b (5-2) and disconnect the vehicle internal air flow passage a (5-1) from the vehicle internal air flow passage c (5-3), which allows the air inside the passenger compartment to enter the air flow passage internal to the vehicle a (5-1) by being driven by the blower (5-5) and then to be discharged through the passage internal air flow to vehicle b (5-2), and start-up of the first electronic water pump (10), the first electronic water valve (14), the second electronic water pump (11) and the fourth electronic water valve (17), a refrigerant flowing out of the electronic carbon dioxide compressor (1) passing successively through the exchanger d e condensing heat (2), the electronic carbon dioxide expansion valve (3) and the evaporative heat exchanger (4), then entering the electric carbon dioxide compressor (1), the refrigerant evaporating as it flows through the evaporative heat exchanger (4) and absorbs heat in the circulating water of the heat pump flowing through the evaporative heat exchanger (4) during evaporation, and the circulating water of the heat pump flowing through the evaporative heat exchanger (4) absorbing heat from the air inside the passenger compartment via the first heat exchanger cabin (5-6) to dehumidify the air inside the vehicle, the refrigerant condensing as it flows through the condensing heat exchanger (2) and transferring heat to the heat pump circulation water flowing at tr to the condensing heat exchanger (2) during condensation, and the circulation water from the heat pump flowing through the condensing heat exchanger (2) transferring heat to the internal air to the vehicle via the second passenger compartment heat exchanger (5-7), to heat the air inside the vehicle, and the heated dry hot air being introduced into the vehicle to eliminate fogging on a window.

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同族专利:

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公开号 | 公开日

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CN108725138A|2018-11-02|

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FR3085068B1|2021-11-26|

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WO2020034385A1|2020-02-20|

引用文献:

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CN109774409B|2018-12-26|2021-01-19|爱驰汽车有限公司|Automobile heat management system|

法律状态:
2020-07-17| PLFP| Fee payment|Year of fee payment: 2 |

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2021-02-26| PLSC| Publication of the preliminary search report|Effective date: 20210226 |

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2021-08-17| PLFP| Fee payment|Year of fee payment: 3 |

优先权:

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申请号 | 申请日 | 专利标题

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CN201810919560.5A|CN108725138A|2018-08-14|2018-08-14|A kind of new-energy automobile carbon dioxide heat-pump heat management system and its working method|

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CN201810919560.5|2018-08-14|

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