• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention provides a vehicle charger with a radiation structure, which includes a shell, and heating components, a printed circuit board (PCB) and a radiation structure disposed within said shell. The radiation structure is in the form of a coolant pipe. The coolant pipe is longitudinally disposed with respect to the heating components and is in contact with the heating components to provide heat radiation through the surfaces of the coolant pipe. The vehicle charger according to the present invention has the advantages such as reduced volume, excellent radiation effect, ease of assembly, reduced cost and light weight. Figure for the abstract: Fig 1
    公开号:FR3076776A3
    申请号:FR1900034
    申请日:2019-01-03
    公开日:2019-07-19
    发明作者:Yingying Feng；Jun Liu；Shun Yao
    申请人:Shenzhen Vmax Power Co Ltd；
    IPC主号:
    专利说明:

    Description
    FIELD OF THE INVENTION [0001] The present invention relates to the electric charge domain for electric and hybrid vehicles, in particular relates to a vehicle charger with a radiation structure.
    To meet the requirements on energy saving and reducing emissions, and the need for control of air pollution, users are increasingly interested in new energy vehicles, including electric vehicles. become the dominant force. Electric vehicles include electric vehicles and hybrid vehicles, of which the On-Border Charger (OBC) is one of the important components. The vehicle charger includes heating components, such as induction coils, rectifiers, transformers and field effect transistors, and poor heat radiation during operation can cause damaging effects on the charger and therefore reduce the life of the charger. The radiation components of the existing chargers are generally disposed at the bottom of a shell. The coolant flows in the horizontal direction and away from the heating components, resulting in insufficient radiation capacity.
    The present invention aims to provide a vehicle charger with a radiation structure to improve the defects of existing techniques.
    The present invention provides a vehicle charger with a radiation structure, which comprises a shell, and heating components, a printed circuit board ("PCB Printed Circuit Board") and a radiation structure arranged inside said shell.
    The radiation structure is in the form of a pipe of the cooling fluid. The coolant pipe is longitudinally disposed with respect to the heating components and is in contact with the heating components to provide heat radiation through the surfaces of the coolant pipe.
    [0006] Said heating components comprise a rectifier, a transformer, an induction coil, surface-mounted switching transistors, inserted blade switching transistors and magnetic components.
    The inserted blade switching transistor is disposed at the side wall of the coolant pipe, and a heat conductive sheet is disposed between the coolant pipe and the inserted blade switching transistor.
    The printed circuit board includes a plurality of through holes from top to bottom. The surface-mounted switching transistors attach to the printed circuit board and are arranged in correspondence with the through-hole. An insulating film is disposed between the printed circuit board and the coolant pipe. A heat conductive paste is applied to the insulating film. When the printed circuit board is fixed and supported on the coolant pipe, the heat conductive paste contacts the switching transistors surface-mounted through the through-holes on the printed circuit board, and the surface-mounted switching transistors can exchange heat with the coolant pipe via the heat conductive paste.
    [0009] Preferably, said shell comprises a shell body and a mounting chamber disposed inside the shell body. The heating components are arranged in the mounting chamber. The coolant pipe is disposed around the side wall of the mounting chamber. And the clearance between the heating components and the mounting chamber is sealed by a heat conductive sealing paste.
    Preferably, the coolant pipe comprises an elliptical shaped pipe body, a cover associated with the pipe body and the shell chamber, an inlet and a liquid outlet disposed at the side wall. of the hull and in communication with the pipe body.
    Preferably, the pipe body is disposed in the side wall of the mounting chamber.
    Preferably, the inserted blade switching transistors are arranged at the outer side wall of the heating component mounting chamber.
    The surface-mounted switching transistors may exchange heat with the surface of the upper end of the side wall of the mounting chamber through the heat conductive paste.
    Compared with existing techniques, the vehicle charger according to the present invention has the advantages such as reduced volume, excellent radiation effect, ease of assembly, reduced cost and light weight.
    [0015] [Fig. 1] schematically illustrates a view of the structure of the vehicle loader according to the present invention, [Fig. 2] schematically illustrates a detailed vertical sectional view of Fig. 1.
    [Fig. 3] schematically illustrates an exploded view of Fig. 2.
    [0018] [Fig.4] schematically illustrates a view of the bottom structure of Figure 1.
    The present invention may be described in more detail below via the examples and the accompanying figures.
    Shown as Figure 1, the vehicle charger according to the present invention comprises a shell 10, and heating components, a printed circuit board 30 and a radiation structure disposed within said shell.
    [0021] Said heating components comprise a rectifier, a transformer, an induction coil, surface-mounted switching transistors, inserted blade switching transistors, and magnetic components. A magnetic component 11, an inserted blade switching transistor 12 and a surface-mounted switching transistor 17 are shown in FIGS. 1 to 3.
    The radiation structure is in the form of a tube of the elliptical-shaped cooling fluid 20, which is arranged in the longitudinal direction with respect to the magnetic components and is in contact with the magnetic heating components, so as to realize a heat radiation through surfaces of the coolant pipe.
    The inserted blade switching transistor 12 is disposed at the side wall of the coolant pipe 20 and is heat exchangeable with the coolant pipe 20 via the conductive foil. heat 13.
    In particular, the shell 10 is cubic in shape with an opening on the surface of the upper end, the coolant pipe 20 is disposed centrally inside the shell body 10 and in the longitudinal direction. compared to magnetic components. The above design significantly improves the effect of heat radiation relative to radiation structures in existing techniques.
    In the existing techniques, the coolant pipe is in a plane, the magnetic components are arranged above the coolant pipe, the heat exchange is only feasible through the the lower part of the magnetic components, and the other surface-mounted switching transistors and insert-blade switching transistors move away from the coolant pipe without direct contact, which greatly reduces the radiation effect.
    According to the present invention, the coolant pipe 20 is arranged in the longitudinal direction, so that the side wall of the magnetic component 11 is in contact with the coolant pipe 20, and at the same time the bottom surface of the shell is provided with a clearance in communication with the coolant pipe, so that the bottom surface and the side surface of the magnetic component 11 can participate in the heat exchange during operation of the fluid pipe 20, which improves the heat radiation.
    It should be noted that the clearance between the magnetic component 11 and the coolant pipe 20 is filled with a heat conductive sealing paste to improve the radiation effect and increase the speed of the exchange of heat. heat in between.
    According to Example 1, the inserted blade switching transistor 12 is disposed at the side wall of the coolant pipe 20 and can exchange heat with the latter through the sheet. heat-conducting element 13, which makes it possible to improve the radiation speed of the inserted blade switching transistor 12.
    As shown in FIGS. 2 and 3, the printed circuit board 30 comprises a plurality of through holes from the top to the bottom, the surface-mounted switching transistor 17 is fixed on the printed circuit board 30 and is disposed in corresponding to the through hole, the heat conductive paste 31 is provided in the through hole, and the surface-mounted switching transistor can exchange heat with the coolant pipe 20 through the conductive paste of the heat 31.
    The surface-mounted switching transistor 17 can be fixed on the printed circuit board 30 by the reflow soldering, the heat conductive paste 31 is provided in the through-hole of the printed circuit board 30. Said conductive paste The heat exchanger 31 allows a direct connection between the surface-mounted switching transistor 17 and the coolant pipe. When the surface-mounted switching transistor 17 heats, the heat can be transmitted to the coolant pipe 20 via the heat conductive paste 31. And the coolant in the coolant pipe 20 can convey the heat.
    To avoid any short circuit of the surface-mounted switching transistor 17 during this process, an insulating film 32 is provided between the heat-conducting paste 31 and the coolant pipe 20.
    As illustrated in Figures 1 and 4, the shell 10 comprises a shell body 14, and a mounting chamber of the magnetic components 15 disposed in the middle of the coolant pipe 20.
    Once the magnetic component 11 mounted in the mounting chamber of the magnetic components 15, the mounting chamber can be sealed by the heat-conducting sealing paste 16.
    The coolant pipe 20 comprises a pipe body 21 in elliptical shape, a cover 22 associated with the pipe body 21 and the chamber of the shell 10 an inlet 23 and an outlet 24 of liquid which are arranged at level of the side wall of the shell 10 and in communication with the pipe body 21.
    The pipe body 21 is disposed in the side wall of the mounting chamber of the magnetic components 15.
    The inserted blade switching transistor 12 is disposed at the outer side wall of the magnetic component mounting chamber 15.
    The surface-mounted switching transistor 17 can exchange heat with the surface of the upper end of the side wall of the mounting chamber of the magnetic components 15 via the heat-conducting paste 31.
    In summary, the radiation structure according to the present invention is disposed in the longitudinal direction with respect to the heating components to bring into contact with the heating components, and has the advantages such as an excellent radiation effect, a reduced volume, ease of assembly, reduced cost and light weight.
    The above description is only for embodiments of the present invention. It should be noted that any modifications, equivalent modes and variations that respect the spirit and principles of the present invention should be included within the scope of the present invention.
    Any variations and improvements that are made by those skilled in the art respecting the spirit of the present invention should be included within the scope of the present invention.
    权利要求:
    Claims (1)
    [1" id="c-fr-0001]
    Claims [Claim 1] A vehicle charger with a radiation structure comprising a shell, and heating components, a printed circuit board and a radiation structure disposed within said shell, characterized in that the radiation structure is in the form of a coolant pipe, the coolant pipe is arranged in the longitudinal direction with respect to the heating components and is in contact with the heating components, in order to achieve heat radiation by the intermediate surface of the coolant pipe. [Claim 2] A vehicle charger as claimed in claim 1 characterized in that said heating components comprise a rectifier, a transformer, an inductor, surface-mounted switching transistors, insert-blade switching transistors, and magnetic components. [Claim 3] A vehicle charger according to claim 2, characterized in that said inserted blade switching transistors are disposed at the side wall of the coolant pipe, and a heat conductive sheet is disposed between the fluid pipe. cooling and switching transistors with inserted blades. [Claim 4] A vehicle charger according to claim 1 characterized in that said printed circuit board comprises a plurality of through holes from top to bottom, said surface mounted switching transistors are fixed to the printed circuit board and are arranged in correspondence with the through holes, an insulating film is disposed between the printed circuit board and the coolant pipe, a heat conductive paste is applied to the insulating film, when said printed circuit board is fixed and supported. on the coolant pipe, the heat conductive paste contacts the surface-mounted switching transistors through the through holes on the printed circuit board, and said surface-mounted switching transistors exchange heat. with the coolant pipe through the heat conductive paste. [Claim 5] Vehicle charger according to claim 1 characterized in that said shell comprises a shell body and a mounting chamber disposed within the shell body, the heating components are disposed in the mounting chamber, said coolant pipe is disposed around the side wall of the mounting chamber, and the clearance between the heating components and the mounting chamber is sealed by a heat conductive sealing paste. [Claim 6] A vehicle charger as claimed in claim 5 characterized in that said coolant pipe comprises an elliptical shaped pipe body, a cover associated with the pipe body and the shell chamber, and an inlet and an liquid outlet disposed at the side wall of the shell and in communication with the pipe body. [Claim 7] A vehicle charger as claimed in claim 5 characterized in that said pipe body is disposed in the side wall of the mounting chamber. [Claim 8] Vehicle charger according to claim 5, characterized in that said inserted blade switching transistors are arranged at the outer side wall of the heating component mounting chamber. [Claim 9] Vehicle charger according to claim 5, characterized in that said surface-mounted switching transistors exchange heat with the surface of the upper end of the side wall of the mounting chamber via the conductive paste of heat.
    类似技术:
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    同族专利:
    公开号 | 公开日
    CN108076617A|2018-05-25|
    DE202019100027U1|2019-01-16|
    US20190208666A1|2019-07-04|
    FR3076776B3|2020-02-14|
    US10568235B2|2020-02-18|
    WO2019134300A1|2019-07-11|
    JP3221963U|2019-07-04|
    CN108076617B|2021-02-02|
    引用文献:
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    US5467251A|1993-10-08|1995-11-14|Northern Telecom Limited|Printed circuit boards and heat sink structures|
    DE19913450A1|1999-03-25|2000-09-28|Mannesmann Sachs Ag|Power electronics for controlling electrical power machine performance/power section with capacitors connecting splint rings and screw joints while the lid connects to the housing with connections to the cooling device|
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    JP5823020B2|2012-03-19|2015-11-25|三菱電機株式会社|Power converter|
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    CN110545632A|2019-09-09|2019-12-06|深圳威迈斯新能源股份有限公司|vehicle-mounted charger and field effect tube installation method thereof|
    CN111098725B|2019-09-27|2021-03-23|法雷奥西门子新能源汽车有限公司|Electronic equipment and fixing module for fixing element|
    CN111483343B|2020-05-11|2020-12-25|王永宽|Intelligent and safe charging system for new energy automobile|
    CN113273323A|2020-08-14|2021-08-17|深圳欣锐科技股份有限公司|Heat dissipation assembly and assembly method thereof|
    法律状态:
    2020-01-06| PLFP| Fee payment|Year of fee payment: 2 |
    2021-01-28| PLFP| Fee payment|Year of fee payment: 3 |
    2022-01-31| PLFP| Fee payment|Year of fee payment: 4 |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201810007168.3|2018-01-04|
    CN201810007168.3A|CN108076617B|2018-01-04|2018-01-04|Heat dissipation structure for vehicle-mounted charger or voltage converter|
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