JP2018140720A5 - - Google Patents
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- JP2018140720A5 JP2018140720A5 JP2017036422A JP2017036422A JP2018140720A5 JP 2018140720 A5 JP2018140720 A5 JP 2018140720A5 JP 2017036422 A JP2017036422 A JP 2017036422A JP 2017036422 A JP2017036422 A JP 2017036422A JP 2018140720 A5 JP2018140720 A5 JP 2018140720A5
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- 239000003507 refrigerant Substances 0.000 claims description 48
- 238000001816 cooling Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 229910004682 ON-OFF Inorganic materials 0.000 claims 3
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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本発明の車両用空気調和装置は、冷媒を圧縮する圧縮機と、車室内に供給する空気が流通する空気流通路と、冷媒を放熱させて空気流通路から車室内に供給する空気を加熱するための放熱器と、冷媒を吸熱させて空気流通路から車室内に供給する空気を冷却するための吸熱器と、車室外に設けられて冷媒を吸熱又は放熱させるための室外熱交換器と、この室外熱交換器に外気を通風する室外送風機と、制御装置を備え、この制御装置により少なくとも、圧縮機から吐出された冷媒を放熱器にて放熱させ、放熱した当該冷媒を減圧した後、室外熱交換器にて吸熱させる暖房運転と、圧縮機から吐出された冷媒を室外熱交換器にて放熱させ、放熱した当該冷媒を減圧した後、吸熱器にて吸熱させる冷房運転を実行するものであって、車両に搭載されたバッテリに熱媒体を循環させて当該バッテリの温度を調整するための循環装置と、空気と熱媒体とを熱交換させるための空気−熱媒体熱交換器と、室外熱交換器から出た冷媒の一部、又は、全部と熱媒体とを熱交換させるための冷媒−熱媒体熱交換器と、この冷媒−熱媒体熱交換器に流入する冷媒を減圧し、又は、当該冷媒−熱媒体熱交換器への冷媒の流入を阻止するための膨張弁と、空気−熱媒体熱交換器に熱媒体を循環させるか否かを切り換えるための流路切換装置を有し、空気−熱媒体熱交換器を、室外熱交換器の風下側に配置したことを特徴とする。 The vehicle air conditioner of the present invention has a compressor that compresses a refrigerant, an air flow passage through which air supplied to the vehicle interior flows, and heats the refrigerant to heat the air supplied from the air flow passage into the vehicle interior. And a radiator for absorbing heat of the refrigerant to cool the air supplied from the airflow passage into the vehicle interior, and an outdoor heat exchanger provided outside the vehicle interior to absorb or radiate the refrigerant, An outdoor blower that ventilates outside air to the outdoor heat exchanger, and a control device, the control device causes at least the refrigerant discharged from the compressor to radiate heat by the radiator, and the radiated refrigerant to be decompressed. A heating operation in which heat is absorbed by the heat exchanger and a cooling operation in which the refrigerant discharged from the compressor is radiated by the outdoor heat exchanger, the radiated refrigerant is decompressed, and the heat is absorbed by the heat absorber. there is, equipped of the vehicle A circulation device for adjusting the temperature of the battery by circulating heat medium to the battery has air for the air and the heat medium heat exchanger - heat medium heat exchanger, the refrigerant discharged from the outdoor heat exchanger A part or all of the refrigerant-heat medium heat exchanger for exchanging heat with the heat medium, and the pressure of the refrigerant flowing into the refrigerant-heat medium heat exchanger is reduced, or the refrigerant-heat medium heat An expansion valve for preventing the refrigerant from flowing into the exchanger, and a flow path switching device for switching whether or not to circulate the heat medium through the air-heat medium heat exchanger. The heat exchanger is arranged on the lee side of the outdoor heat exchanger.
本発明によれば、冷媒を圧縮する圧縮機と、車室内に供給する空気が流通する空気流通路と、冷媒を放熱させて空気流通路から車室内に供給する空気を加熱するための放熱器と、冷媒を吸熱させて空気流通路から車室内に供給する空気を冷却するための吸熱器と、車室外に設けられて冷媒を吸熱又は放熱させるための室外熱交換器と、この室外熱交換器に外気を通風する室外送風機と、制御装置を備え、この制御装置により少なくとも、圧縮機から吐出された冷媒を放熱器にて放熱させ、放熱した当該冷媒を減圧した後、室外熱交換器にて吸熱させる暖房運転と、圧縮機から吐出された冷媒を室外熱交換器にて放熱させ、放熱した当該冷媒を減圧した後、吸熱器にて吸熱させる冷房運転を実行する車両用空気調和装置において、車両に搭載されたバッテリに熱媒体を循環させて当該バッテリの温度を調整するための循環装置と、空気と熱媒体とを熱交換させるための空気−熱媒体熱交換器と、室外熱交換器から出た冷媒の一部、又は、全部と熱媒体とを熱交換させるための冷媒−熱媒体熱交換器と、この冷媒−熱媒体熱交換器に流入する冷媒を減圧し、又は、当該冷媒−熱媒体熱交換器への冷媒の流入を阻止するための膨張弁と、空気−熱媒体熱交換器に熱媒体を循環させるか否かを切り換えるための流路切換装置を有し、空気−熱媒体熱交換器を、室外熱交換器の風下側に配置したので、室外送風機により室外熱交換器に通風される外気が空気−熱媒体熱交換器を通過することになる。これにより、流路切換装置によって空気−熱媒体熱交換器に熱媒体を循環させて、室外熱交換器を経た外気と空気−熱媒体熱交換器に循環される熱媒体とを熱交換させることで、室外熱交換器を経た外気による冷却作用を、バッテリの温度調整に利用することが可能となる。 ADVANTAGE OF THE INVENTION According to this invention, the compressor which compresses a refrigerant | coolant, the air flow path which the air supplied to a vehicle interior circulates, and the radiator for radiating a refrigerant | coolant and heating the air supplied to a vehicle interior from an air flow path. A heat absorber for absorbing the heat of the refrigerant to cool the air supplied from the airflow passage into the vehicle interior; an outdoor heat exchanger provided outside the vehicle interior for absorbing or radiating the refrigerant; and an outdoor heat exchanger. An outdoor blower that ventilates outside air to the device, and a control device, the control device causes at least the refrigerant discharged from the compressor to radiate heat with a radiator, and after radiating the radiated refrigerant, the pressure is reduced. In the air conditioner for a vehicle that performs a heating operation for absorbing heat and a cooling operation in which the refrigerant discharged from the compressor is radiated by the outdoor heat exchanger, the radiated refrigerant is decompressed, and the heat is absorbed by the heat absorber. , it is mounted on a vehicle A circulation device for adjusting the temperature of the battery by circulating heat medium to the battery has air for the air and the heat medium heat exchanger - heat medium heat exchanger, the refrigerant discharged from the outdoor heat exchanger A part or all of the refrigerant-heat medium heat exchanger for exchanging heat with the heat medium, and the pressure of the refrigerant flowing into the refrigerant-heat medium heat exchanger is reduced, or the refrigerant-heat medium heat An expansion valve for preventing the refrigerant from flowing into the exchanger, and a flow path switching device for switching whether or not to circulate the heat medium through the air-heat medium heat exchanger. Since the heat exchanger is disposed on the leeward side of the outdoor heat exchanger, the outside air that is passed through the outdoor heat exchanger by the outdoor blower passes through the air-heat medium heat exchanger. Thereby, the heat medium is circulated to the air-heat medium heat exchanger by the flow path switching device, and heat is exchanged between the outside air passed through the outdoor heat exchanger and the heat medium circulated to the air-heat medium heat exchanger. Thus, the cooling effect of the outside air passing through the outdoor heat exchanger can be used for adjusting the temperature of the battery.
このバッテリ温度調整装置６１で使用される熱媒体としては、例えば水、ＨＦＯ−１２３４ｆのような冷媒、クーラント等が採用される。また、熱媒体加熱ヒータ６６はＰＴＣヒータ等の電気ヒータから構成されており、接続される位置はこの実施例に限らず、図１に破線で示すように三方弁６３の一方の出口と冷媒−熱媒体熱交換器６４の間でも良い。更に、バッテリ５５の周囲には例えば熱媒体が当該バッテリ５５と熱交換関係で流通可能なジャケット構造が施されているものとする。そして、本発明では空気−熱媒体熱交換器６７が、室外送風機１５で通風される外気（空気）の流れ（風路）に対して、室外熱交換器７の風下側に配置されている。 As the heat medium used in the battery temperature controller 61, for example, water, a refrigerant such as HFO-1234f, a coolant, or the like is employed. Further, the heat medium heater 66 is formed of an electric heater such as a PTC heater , and the connection position is not limited to this embodiment. As shown by a broken line in FIG. It may be between the heat medium heat exchangers 64. Furthermore, it is assumed that a jacket structure is provided around the battery 55 so that, for example, a heat medium can flow through the battery 55 in a heat exchange relationship. And in this invention, the air-heat medium heat exchanger 67 is arrange | positioned at the lee side of the outdoor heat exchanger 7 with respect to the flow (airway) of the outside air (air) ventilated by the outdoor blower 15.
Claims (10)
車室内に供給する空気が流通する空気流通路と、
前記冷媒を放熱させて前記空気流通路から前記車室内に供給する空気を加熱するための放熱器と、
前記冷媒を吸熱させて前記空気流通路から前記車室内に供給する空気を冷却するための吸熱器と、
車室外に設けられて前記冷媒を吸熱又は放熱させるための室外熱交換器と、
該室外熱交換器に外気を通風する室外送風機と、
制御装置を備え、
該制御装置により少なくとも、
前記圧縮機から吐出された前記冷媒を前記放熱器にて放熱させ、放熱した当該冷媒を減圧した後、前記室外熱交換器にて吸熱させる暖房運転と、
前記圧縮機から吐出された前記冷媒を前記室外熱交換器にて放熱させ、放熱した当該冷媒を減圧した後、前記吸熱器にて吸熱させる冷房運転を実行する車両用空気調和装置において、
車両に搭載されたバッテリに熱媒体を循環させて当該バッテリの温度を調整するための循環装置と、
空気と前記熱媒体とを熱交換させるための空気−熱媒体熱交換器と、
前記室外熱交換器から出た前記冷媒の一部、又は、全部と前記熱媒体とを熱交換させるための冷媒−熱媒体熱交換器と、
該冷媒−熱媒体熱交換器に流入する前記冷媒を減圧し、又は、当該冷媒−熱媒体熱交換器への前記冷媒の流入を阻止するための膨張弁と、
前記空気−熱媒体熱交換器に前記熱媒体を循環させるか否かを切り換えるための流路切換装置を有し、
前記空気−熱媒体熱交換器を、前記室外熱交換器の風下側に配置したことを特徴とする車両用空気調和装置。 A compressor for compressing the refrigerant,
An air flow passage through which air supplied to the vehicle interior flows;
A radiator for radiating the refrigerant to heat the air supplied from the air flow passage into the vehicle interior,
A heat absorber for cooling the air supplied into the vehicle interior from the air flow passage by absorbing the refrigerant,
An outdoor heat exchanger provided outside the vehicle compartment for absorbing or radiating the refrigerant,
An outdoor blower that ventilates outside air to the outdoor heat exchanger;
Equipped with a control device,
At least by the control device,
A heating operation in which the refrigerant discharged from the compressor is radiated by the radiator, and the radiated refrigerant is decompressed, and the heat is absorbed by the outdoor heat exchanger.
In the air conditioner for a vehicle that performs a cooling operation in which the refrigerant discharged from the compressor is radiated by the outdoor heat exchanger and the radiated refrigerant is depressurized and then absorbed by the heat absorber.
A circulating device for adjusting the temperature of the battery by circulating a heat medium through a battery mounted on the vehicle ;
An air-heat medium heat exchanger for exchanging heat between air and the heat medium,
Part or all of the refrigerant that has exited from the outdoor heat exchanger, or a refrigerant for exchanging heat with the heat medium,
An expansion valve for reducing the pressure of the refrigerant flowing into the refrigerant-heat medium heat exchanger, or preventing the refrigerant from flowing into the refrigerant-heat medium heat exchanger,
Having a flow path switching device for switching whether to circulate the heat medium in the air-heat medium heat exchanger,
An air conditioner for a vehicle, wherein the air-heat medium heat exchanger is arranged on the leeward side of the outdoor heat exchanger.
前記室外熱交換器の冷媒出口側に設けられ、前記冷房運転時に開放される冷房用の開閉弁を備え、
前記室外熱交換器から出て前記各開閉弁に至る前の冷媒を前記冷媒−熱媒体熱交換器に流すことを特徴とする請求項１に記載の車両用空気調和装置。 A heating on-off valve provided on the refrigerant outlet side of the outdoor heat exchanger and opened during the heating operation,
A cooling on-off valve provided on the refrigerant outlet side of the outdoor heat exchanger and opened during the cooling operation,
The air conditioner for a vehicle according to claim 1, wherein the refrigerant before flowing out of the outdoor heat exchanger and reaching each of the on-off valves flows through the refrigerant-heat medium heat exchanger.
前記流路切換装置により前記熱媒体を前記空気−熱媒体熱交換器に循環させることで前記室外送風機により通風される外気により前記熱媒体を冷却し、当該熱媒体により前記バッテリを冷却する第１のバッテリ冷却単独モードを実行することを特徴とする請求項１乃至請求項３のうちの何れかに記載の車両用空気調和装置。 The controller, when the temperature of the outdoor heat exchanger is low, while operating the outdoor blower with the compressor stopped,
The heat medium is circulated to the air-heat medium heat exchanger by the flow path switching device, whereby the heat medium is cooled by the outside air passed by the outdoor blower, and the battery is cooled by the heat medium. The vehicle air conditioner according to any one of claims 1 to 3, wherein the battery cooling only mode is executed.
前記流路切換装置により前記熱媒体を前記空気−熱媒体熱交換器に循環させること無く、前記室外熱交換器から出た全ての冷媒を前記膨張弁により減圧した後、前記冷媒−熱媒体熱交換器に流入させ、前記熱媒体から吸熱させることで当該熱媒体を冷却し、該熱媒体により前記バッテリを冷却する第２のバッテリ冷却単独モードを実行することを特徴とする請求項４に記載の車両用空気調和装置。 The control device, when the temperature of the outdoor heat exchanger is high, while operating the compressor to radiate the refrigerant discharged from the compressor in the outdoor heat exchanger,
Without circulating the heat medium to the air-heat medium heat exchanger by the flow path switching device, all the refrigerant flowing out of the outdoor heat exchanger is depressurized by the expansion valve, and then the refrigerant-heat medium heat The second battery cooling only mode in which the heat medium is cooled by flowing into the exchanger and absorbing heat from the heat medium, and the battery is cooled by the heat medium is executed. Vehicle air conditioner.
前記制御装置は、前記流路切換装置により前記熱媒体を前記空気−熱媒体熱交換器に循環させること無く、前記膨張弁により前記冷媒−熱媒体熱交換器への前記冷媒の流入を阻止し、前記加熱装置により前記熱媒体を加熱することで、当該熱媒体により前記バッテリを加熱するバッテリ加熱モードを実行することを特徴とする請求項３乃至請求項７のうちの何れかに記載の車両用空気調和装置。 With a heating device for heating the heat medium,
The control device prevents the refrigerant from flowing into the refrigerant-heat medium heat exchanger by the expansion valve without circulating the heat medium to the air-heat medium heat exchanger by the flow path switching device. The vehicle according to any one of claims 3 to 7, wherein the heating device heats the heat medium to execute a battery heating mode in which the battery is heated by the heat medium. For air conditioners.
前記制御装置は、前記圧縮機から吐出された前記冷媒を前記室外熱交換器にて放熱させて当該室外熱交換器を除霜すると共に、
前記流路切換装置により前記熱媒体を前記空気−熱媒体熱交換器に循環させること無く、前記室外熱交換器から出た全ての冷媒を前記膨張弁により減圧した後、前記冷媒−熱媒体熱交換器に流入させ、前記熱媒体から吸熱させることで前記バッテリ、及び／又は、前記加熱装置の熱を前記冷媒に搬送する除霜／バッテリ冷却／加熱モードを実行することを特徴とする請求項３乃至請求項９のうちの何れかに記載の車両用空気調和装置。 With a heating device for heating the heat medium,
The control device causes the refrigerant discharged from the compressor to radiate heat in the outdoor heat exchanger to defrost the outdoor heat exchanger,
Without circulating the heat medium to the air-heat medium heat exchanger by the flow path switching device, all the refrigerant flowing out of the outdoor heat exchanger is depressurized by the expansion valve, and then the refrigerant-heat medium heat A defrost / battery cooling / heating mode in which heat flows from the battery and / or the heating device to the refrigerant by flowing the heat into the exchanger and absorbing heat from the heat medium is executed. The vehicle air conditioner according to any one of claims 3 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017036422A JP6855281B2 (en) | 2017-02-28 | 2017-02-28 | Vehicle air conditioner |
| PCT/JP2018/001482 WO2018159142A1 (en) | 2017-02-28 | 2018-01-12 | Vehicle air-conditioning apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2017036422A JP6855281B2 (en) | 2017-02-28 | 2017-02-28 | Vehicle air conditioner |
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| JP2019135319A Division JP2019172267A (en) | 2019-07-23 | 2019-07-23 | Vehicular air-conditioner |
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| JP2018140720A JP2018140720A (en) | 2018-09-13 |
| JP2018140720A5 true JP2018140720A5 (en) | 2020-03-19 |
| JP6855281B2 JP6855281B2 (en) | 2021-04-07 |
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| JP2016060414A (en) * | 2014-09-19 | 2016-04-25 | サンデンホールディングス株式会社 | Air conditioner for vehicle |
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