• 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 has a plurality of compressors, an outdoor unit having a plurality of condensers respectively corresponding to the compressor, a plurality of refrigerant flow pipes interconnecting each of the compressor and the condenser, and a plurality of indoor units connected to the outdoor unit A vacuum apparatus for an air conditioner and a vacuum method thereof, the vacuum apparatus comprising: a connecting tube for interconnecting the refrigerant flow pipe; A valve installed at the connection pipe to open and close the connection pipe; One end is connected to one of the refrigerant flow pipes from the compressor to the indoor unit, and the other end includes a vacuum pump connected to the connection pipe. Accordingly, when the inside of the outdoor unit having a refrigerant circuit composed of a plurality of compressors and corresponding condensers and refrigerant pipes connected to these compressors and the condenser is vacuumed, the refrigerant circuits having respective closed circuits are connected to the connection pipes and the valves. Through the refrigerant circuit forming a single closed circuit through a single vacuum pump can be used to vacuum the inside of the outdoor unit, it is possible to increase the efficiency of the equipment, it can reduce the cost.
    公开号:KR19990081635A
    申请号:KR1019980015668
    申请日:1998-04-30
    公开日:1999-11-15
    发明作者:구형모
    申请人:윤종용；삼성전자 주식회사；
    IPC主号:
    专利说明:

    Vacuum apparatus for air conditioning equipment and vacuum method thereof.
    The present invention relates to a vacuum apparatus for an air conditioner and a vacuum method thereof, and more particularly, to an outdoor unit having a refrigerant circuit including a plurality of compressors and a plurality of condensers corresponding thereto, and a refrigerant pipe connected to the compressors and the condensers. When the inside is vacuumed, the refrigerant circuit having each closed circuit is composed of the refrigerant circuit forming a single closed circuit using a connecting pipe and a valve, so that the inside of the outdoor unit can be vacuumed with only one vacuum pump, thereby increasing the efficiency of the equipment. The present invention relates to a vacuum apparatus for an air conditioner and a vacuum method thereof, which can reduce costs.
    In general, an air conditioner includes a compressor for compressing a refrigerant at a high temperature and high pressure, a condenser for receiving and condensing refrigerant from the compressor, an expansion valve for condensing the refrigerant from the condenser, and an evaporator for evaporating the refrigerant condensed from the expansion valve. . Among them, the compressor and the condenser are commonly installed outdoors and are called outdoor units, and the evaporator is installed indoors to be cooled and is called an indoor unit.
    Recently, a multi-air conditioner system having a plurality of compressors and a plurality of condensers has been widely used to increase cooling efficiency by supplying a proper amount of refrigerant to each evaporator by installing a plurality of evaporators.
    3 is a configuration diagram schematically showing a vacuum apparatus of a conventional outdoor unit for an air conditioner, and FIG. 4 is a process diagram for vacuuming the outdoor unit of FIG. 3. As shown in these drawings, a conventional vacuum device of an outdoor unit for an air conditioner includes a compressor 103a, a condenser 107a connected to correspond to the compressor 103a by a refrigerant discharge pipe 105a, and an indoor unit (not shown). ) Is a closed circuit consisting of a refrigerant suction pipe 109a directed from the condenser to the compressor 103a, and a refrigerant discharge pipe 111a directed from the condenser 107a to the indoor unit, and also the compressor 103b and the refrigerant discharge pipe 105b. Another closed circuit comprising a condenser 107b connected to correspond to the 103b, a refrigerant suction pipe 109b directed from the indoor unit to the compressor 103b, and a refrigerant discharge pipe 111b directed from the condenser 107b to the indoor unit; Manifold gauges 117a and 117b connected to the refrigerant suction pipes 109a and 109b and the refrigerant outlet pipes 111a and 111b of the respective closed circuits, and vacuum pumps connected to the other side of the manifold gauges 117a and 117b. (119a, 119b).
    According to the above configuration, in order to vacuum the inside of the outdoor unit, the high pressure side and low pressure side valves of the manifold gauges 117a and 117b connected to the respective refrigerant circuits are opened, and then the vacuum pumps 119a and 119b are operated. To evacuate each refrigerant circuit forming a closed circuit.
    However, in such a conventional air conditioner vacuum apparatus and its vacuum method, a plurality of closed circuits including a plurality of compressors constituting an outdoor unit, a plurality of condensers corresponding thereto, and refrigerant pipes connected to these compressors and the condenser In order to vacuum, a vacuum pump and a manifold gauge must be connected to each closed circuit, so that there is a problem in that the equipment cost for the vacuum operation is high.
    Accordingly, an object of the present invention is to provide a refrigerant circuit each having a closed circuit when the inside of the outdoor unit having a refrigerant circuit composed of a plurality of compressors and corresponding condensers and refrigerant pipes connected to the compressors and the condensers is vacuumed. It consists of a refrigerant circuit that forms a single closed circuit through a connecting pipe and a valve, so that the inside of the outdoor unit can be vacuumed with only one vacuum pump, thus increasing the efficiency of the equipment and reducing the cost of the vacuum device for the air conditioner. The vacuum method is provided.
    1 is a configuration diagram briefly showing a vacuum apparatus of an outdoor unit for an air conditioner according to the present invention;
    2 is a process diagram for vacuuming the outdoor unit of FIG. 1,
    3 is a schematic view showing a simplified configuration of a vacuum apparatus for an outdoor unit for a conventional air conditioner;
    4 is a process diagram of vacuuming the outdoor unit of FIG. 3.
    * Explanation of symbols for the main parts of the drawings
    1: outdoor unit 3a, 3b: compressor
    5a, 5b: refrigerant discharge pipe 7a, 7b: condenser
    9a, 9b: refrigerant suction pipe 11a, 11b: refrigerant discharge pipe
    13: connector 15: solenoid valve
    17: manifold gauge 19: vacuum pump
    According to the present invention, the object is connected to the outdoor unit having a plurality of compressors, a plurality of condensers respectively corresponding to the compressor, a plurality of refrigerant flow pipes interconnecting each of the compressor and the condenser, the outdoor unit A vacuum apparatus for an air conditioner having a plurality of indoor units, comprising: a connecting tube interconnecting the refrigerant flow tubes; A valve installed at the connection pipe to open and close the connection pipe; One end is connected to one of the refrigerant flow pipes from the compressor to the indoor unit, and the other end is achieved by a vacuum device for an air conditioner comprising a vacuum pump connected to the connection pipe.
    Here, the valve may be a solenoid valve.
    According to another aspect of the present invention, an outdoor unit having a plurality of compressors, a plurality of condensers respectively corresponding to the compressors, a plurality of refrigerant flow tubes interconnecting the compressors and the condensers, and the outdoor unit are connected to the outdoor units. A vibration method for an air conditioner having a plurality of indoor units, comprising the steps of: installing a connection pipe interconnecting the refrigerant flow pipes; Installing a valve to open and close the connection pipe on the connection pipe; Blocking an end portion of the refrigerant flow pipe connected to the indoor unit of the refrigerant flow pipe; Connecting one of the refrigerant flow tubes from the compressor to one end of a vacuum pump and connecting the connection tube to the other end of the vacuum pump; Opening the valve to allow the outdoor unit to form a single closed circuit; It is achieved by a vacuum method for an air conditioner, comprising the step of driving the vacuum pump to achieve the outdoor unit in a vacuum state.
    Here, the valve may be a solenoid valve.
    Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
    In general, an air conditioner includes a compressor for compressing a refrigerant at a high temperature and high pressure, a condenser for receiving and condensing refrigerant from the compressor, an expansion valve for condensing the refrigerant from the condenser, and an evaporator for evaporating the refrigerant condensed from the expansion valve. . Among them, the compressor and the condenser are commonly installed outdoors and are called outdoor units, and the evaporator is installed indoors to be cooled and is called an indoor unit.
    Recently, a multi-air conditioner system having a plurality of compressors and a plurality of condensers has been widely used to increase cooling efficiency by supplying a proper amount of refrigerant to each evaporator by installing a plurality of evaporators.
    1 is a configuration diagram briefly showing a vacuum apparatus of an outdoor unit for an air conditioner according to the present invention, and FIG. 2 is a process diagram for vacuuming the outdoor unit of FIG. 1. As shown in these figures, two compressors 3a and 3b and two compressors 3a and 3b connected correspondingly to facilitate the description of the vacuum apparatus of the outdoor unit for an air conditioner according to the present invention. For example, the condenser 7a and 7b and the refrigerant pipes connected to the compressors 3a and 3b and the condensers 7a and 7b will be described. For example, the outdoor unit 1 includes a plurality of compressors 3a and 3b. And a plurality of condensers 7a and 7b connected to the respective compressors 3a and 3b by the refrigerant discharge pipes 5a and 5b, and a refrigerant suction pipe 9a connected to the respective compressors 3a and 3b. 9b and refrigerant outlet pipes 11a and 11b from the condensers 7a and 7b.
    On the other hand, in the present invention, in order to vacuum the inside of the outdoor unit 1, a connection pipe 13 for interconnecting each refrigerant discharge pipe (5a, 5b) is provided, the connection pipe 13 to the electrical signal The solenoid valve 15 opened and closed by this is provided. In addition, the refrigerant suction pipe 9a to which the indoor unit (not shown) and the compressor 3a are connected, and the end portions of the condensers 7a and 7b are blocked, and the refrigerant suction pipe 9b and the connection pipe 13 are not blocked. One side of is connected to the low pressure side and the high pressure side of the manifold gauge 17, respectively. The other side of the manifold gauge 17 is connected to the vacuum pump 19.
    By the above configuration, in order to vacuum the inside of the outdoor unit 1, two compressors 3a and 3b and two condensers 7a and 7b, these compressors 3a and 3b and condensers 7a and 7b A connecting pipe interconnecting the refrigerant discharge pipes 5a and 5b connected to each of the compressors 3a and 3b and the condensers 7a and 7b so that the refrigerant circuit composed of the refrigerant pipes connected to each other may form a single closed circuit. 13), the solenoid valve 15 which can be opened and closed by an electrical signal is connected to the connecting pipe 13. In addition, one of the pipes 9a and 9b connected to the compressors 3a and 3b and one side of the connection pipe 13 are connected to the low pressure side and the high pressure side of the manifold gauge 17, respectively, The other side of the folder gauge 17 is connected to the vacuum pump 19. At this time, the refrigerant suction pipe 9a or 9b and the refrigerant discharge pipes 11a and 11b which are not connected to the manifold gauge 17 are blocked.
    Now, after opening the high pressure side and the low pressure side valves of the manifold gauge 17 and driving the vacuum pump 19, the plurality of compressors 3a and 3b, and the condenser 7a and 7b connected correspondingly, Due to the refrigerant pipes connected to each of the compressors 3a and 3b and the condensers 7a and 7b, a plurality of refrigerant circuits are configured as a single closed circuit so that the inside of the outdoor unit is in a vacuum state.
    As such, a connection pipe interconnecting the refrigerant flow pipe to which the compressor and the condenser are connected, a valve installed at the connection pipe to open and close the connection pipe, one end is connected to one of the refrigerant flow pipe from the compressor to the indoor unit, and the other end is connected. By providing a vacuum pump connected to the pipe, when the inside of the outdoor unit having a refrigerant circuit composed of a plurality of compressors and a plurality of condensers corresponding to these, and a refrigerant pipe connected to these compressors and the condenser to have a respective closed circuit, Since the refrigerant circuit is composed of a refrigerant circuit forming a single closed circuit through the connecting pipe and the valve, it is possible to vacuum the inside of the outdoor unit with only one vacuum pump, thereby increasing the facility efficiency and reducing the cost.
    As described above, according to the present invention, when the inside of the outdoor unit having a refrigerant circuit composed of a plurality of compressors and a plurality of condensers corresponding thereto and a refrigerant pipe connected to these compressors and the condenser is vacuumed, each closed circuit Since the refrigerant circuit consists of a refrigerant circuit that forms a single closed circuit through a connecting pipe and a valve, the inside of the outdoor unit can be vacuumed with only one vacuum pump, so that the efficiency of the equipment can be increased and the cost can be reduced. A vacuum apparatus and a vacuum method thereof are provided.
    权利要求:
    Claims (5)
    [1" claim-type="Currently amended] A vacuum device for an air conditioner having a plurality of compressors, a plurality of condensers respectively corresponding to the compressors, a plurality of refrigerant flow tubes interconnecting the compressors and the condensers, and a plurality of indoor units connected to the outdoor units. To
    A connecting pipe interconnecting the refrigerant flow pipes;
    A valve installed at the connection pipe to open and close the connection pipe;
    One end is connected to one of the refrigerant flow pipe from the compressor to the indoor unit, the other end comprises a vacuum pump connected to the connecting pipe.
    [2" claim-type="Currently amended] The method of claim 1,
    The valve is a vacuum device for air conditioning equipment, characterized in that the solenoid valve.
    [3" claim-type="Currently amended] The method of claim 2,
    The valve is opened when the vacuum pump is driven so that the outdoor unit to form a single closed circuit vacuum apparatus for an air conditioner.
    [4" claim-type="Currently amended] Vibration method for an air conditioner having a plurality of compressors, an outdoor unit having a plurality of condensers respectively corresponding to the compressor, a plurality of refrigerant flow pipes interconnecting each of the compressor and the condenser, and a plurality of indoor units connected to the outdoor unit To
    Installing a connecting pipe interconnecting the refrigerant flow pipes;
    Installing a valve to open and close the connection pipe on the connection pipe;
    Blocking an end portion of the refrigerant flow pipe connected to the indoor unit of the refrigerant flow pipe;
    Connecting one of the refrigerant flow tubes from the compressor to one end of a vacuum pump and connecting the connection tube to the other end of the vacuum pump;
    Opening the valve to allow the outdoor unit to form a single closed circuit;
    And driving the vacuum pump to achieve the outdoor unit in a vacuum state.
    [5" claim-type="Currently amended] The method of claim 4, wherein
    The valve is a vacuum method for an air conditioner, characterized in that the solenoid valve.
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    同族专利:
    公开号 | 公开日
    ES2168028A1|2002-05-16|
    ES2168028B1|2003-07-01|
    ITTO990344A1|2000-10-27|
    KR100452720B1|2004-12-23|
    IT1308460B1|2001-12-17|
    ITTO990344D0|1999-04-27|
    US6065304A|2000-05-23|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    1998-04-30|Application filed by 윤종용, 삼성전자 주식회사
    1998-04-30|Priority to KR1019980015668A
    1999-11-15|Publication of KR19990081635A
    2004-12-23|Application granted
    2004-12-23|Publication of KR100452720B1
    优先权:
    申请号 | 申请日 | 专利标题
    KR1019980015668A|KR100452720B1|1998-04-30|1998-04-30|Vacuum device for air conditioner having compressors, condensers, outdoor unit, and indoor units, and vacuum method thereof|
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