CN203518359U - Automobile heat pump air conditioner system - Google Patents
Automobile heat pump air conditioner system Download PDFInfo
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- CN203518359U CN203518359U CN201320406393.7U CN201320406393U CN203518359U CN 203518359 U CN203518359 U CN 203518359U CN 201320406393 U CN201320406393 U CN 201320406393U CN 203518359 U CN203518359 U CN 203518359U
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Abstract
The utility model provides an automobile heat pump air conditioner system. An outlet of a compressor is connected with an inlet of a flow direction switching unit. A first outlet of the flow direction switching unit is respectively connected with an inlet of a first switching valve, an inlet of a second switching valve and an outlet of a second expansion valve. A second outlet of the flow direction switching unit is connected with an inlet of the second expansion valve after passing through a second internal heat exchanger. An outlet of the first switching valve is connected with an inlet of a first external heat exchanger, and an outlet of the second switching valve is connected with an inlet of a second external heat exchanger. An outlet of the first external heat exchanger and an outlet of the second external heat exchanger are connected with an inlet of a first expansion valve and an inlet of a third switching valve respectively. An outlet of the first expansion valve is connected with an inlet of a first internal heat exchanger. An outlet of the first internal heat exchanger and an outlet of the third switching valve are connected with an inlet of a gas-liquid separator. An outlet of the gas-liquid separator is connected with an inlet of the compressor. The automatic heat pump air conditioner system can solve the problem that when the heat pump air conditioner system works under low-temperature heating conditions, the external heat exchangers are prone to frosting but defrosting is not easily performed.
Description
Technical field
The utility model relates to air conditioning for automobiles field, relates in particular to a kind of automobile heat pump air-conditioning system.
Background technology
Heat pump is exactly heat to be transported to the plant equipment of high temperature heat source by low-temperature heat source.Such as in the winter time, outdoor air, the surface water, underground water etc. are exactly low-temperature heat source, and room air is exactly high temperature heat source.Heat pump air conditioner is exactly can be the heat delivery of outdoor environment in indoor environment.
Publication number is the Chinese patent application of CN1709734A, discloses a kind of electric automobile heat-pump air-conditioning system, belongs to heat pump and forms field.Specifically comprise compressor, cross valve, the first check valve, internal condensation device, F type heating power expansion valve, the second check valve, external condensation device, the first stop valve, the second stop valve, H type heating power expansion valve, inner evaporator, gas-liquid separator.Compressor outlet is connected with cross valve import, import is connected two outlets of cross valve with internal condensation device with the first check valve inlet respectively, the first check valve outlet is connected with the air inlet of external condensation device, the outlet of internal condensation device is connected with the import of F type heating power expansion valve, F type thermal expansion valve outlet port is connected with the second check valve inlet, the second check valve outlet is connected with the import of external condensation device, the outlet of external condensation device is connected with the second stop valve import with the first stop valve respectively, and outlet is connected with gas-liquid separator import with inner evaporator in the first stop valve outlet.This electric automobile heat-pump air-conditioning system is simple in structure, can provide comfortable thermal environment to electric automobile.
Present inventor studies discovery, when this electric automobile heat-pump air-conditioning system is operated in low-temperature heating operating mode, external condensation device (or external heat exchanger) outside car is for a long time in cold operation state, very easily externally heat exchanger surface forms thick frost layer, and then has influence on the heat exchanging process of external heat exchanger and car outer air.And the method for existing removing external heat exchanger surface frost layer is for to be adjusted into high-temperature refrigeration operating mode by automobile heat pump air-conditioning system, the method by the high-temperature high-pressure refrigerant inflow external heat exchanger after commutation defrosts.But; when this Defrost method is implemented; must stop the air-conditioning heating in car; because must first shut down when air-conditioning system switches to high-temperature refrigeration working by low-temperature heating; when in air-conditioning system, the pressure of refrigerant tends to balance, could start shooting, so air-conditioning system commutation is consuming time also longer, this has just caused this automobile heat pump air-conditioning system in carrying out defrost process again; in car, without air-conditioning, use for a long time, had a strong impact on the comfortableness of air-conditioning in car.
Utility model content
For aforementioned existing automobile heat pump air-conditioning system peripheral heat exchanger surface, when defrosting, can cause without air-conditioning, using for a long time in car, have a strong impact on the technical problem of air conditioning comfortableness in car, the utility model provides a kind of novel automobile heat pump air-conditioning system.
The purpose of this utility model is achieved through the following technical solutions:
An automobile heat pump air-conditioning system, comprises compressor, flows to switch unit, the first switch valve, outside First Heat Exchanger, second switch valve, outside the second heat exchanger, the first expansion valve, inner First Heat Exchanger, the second expansion valve, inner the second heat exchanger, gas-liquid separator and the 3rd switch valve; Wherein,
The outlet of described compressor is connected with the described import that flows to switch unit;
Described the first outlet that flows to switch unit is connected with the outlet of the second expansion valve with the import of described the first switch valve, the import of second switch valve respectively; Described the second outlet that flows to switch unit is connected with the import of described inner the second heat exchanger;
The outlet of described inner the second heat exchanger is connected with the import of described the second expansion valve;
The outlet of described the first switch valve is connected with the import of described outside First Heat Exchanger;
The outlet of described second switch valve is connected with the import of described outside the second heat exchanger;
The outlet of the outlet of described outside First Heat Exchanger and outside the second heat exchanger is connected with the import of the 3rd switch valve with the import of described the first expansion valve respectively;
The outlet of described the first expansion valve is connected with the import of described inner First Heat Exchanger;
The outlet of described inner First Heat Exchanger is connected with the 3rd outlet of switch valve and the import of described gas-liquid separator;
The outlet of described gas-liquid separator is connected with the import of described compressor.
In the automobile heat pump air-conditioning system that the utility model provides, in car loong shunt, be provided with outside First Heat Exchanger and outside the second heat exchanger, when described automobile heat pump air-conditioning system is operated in low-temperature heating operating mode, only use wherein any one external heat exchanger to carry out work, after this external heat exchanger operation frosting, can be by the switching of magnetic valve, be directly switch to the frostless external heat exchanger in another surface, proceed the heating process in car, and the external heat exchanger of frosting is carried out defrost process automatically, until switch back again during another external heat exchanger frosting, that goes round and begins again accordingly uses two external heat exchanger outside car in turn.Thereby, the automobile heat pump air-conditioning system that the utility model provides, when defrosting, without the air-conditioning heating stopping in car, only switches two external heat exchanger, therefore switch fast the air-conditioning Energy Efficiency Ratio while substantially not affecting this heat pump type air conditioning system low-temperature heating and the comfortableness of Che Nei air-conditioning.
Further, the described switch unit that flows to is cross valve, the import of described cross valve is as the described import that flows to switch unit, and the first outlet of described cross valve is as described the first outlet that flows to switch unit, and the second outlet of described cross valve is as described the second outlet that flows to switch unit.
Further, the described switch unit that flows to comprises the first two way cock valve and the second two way cock valve, the outlet of described compressor is connected with the import of the second two way cock valve with the import of described the first two way cock valve respectively, the outlet of described the first two way cock valve is as described the first outlet that flows to switch unit, and the outlet of described the second two way cock valve is as described the second outlet that flows to switch unit.
Further, described the first switch valve and second switch valve are electric check valve or electric switching valve or magnetic valve.
Further, described the first expansion valve and the second expansion valve are electric expansion valve or heating power expansion valve.
Further, the surface of described outside First Heat Exchanger and outside the second heat exchanger is equipped with temperature sensor.
Further, described outside First Heat Exchanger and outside the second heat exchanger be arranged at automobile front chamber cooling water tank before.
Further, described outside First Heat Exchanger and outside the second heat exchanger adopt the mode at horizontal Tile or tile vertically or interval, front and back be arranged at automobile front chamber heat radiation hydro-thermal before.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the first automobile heat pump air-conditioning system of providing of the utility model embodiment;
Fig. 2 is the principle schematic of the second automobile heat pump air-conditioning system of providing of the utility model embodiment;
Fig. 3 is the first automobile heat pump air-conditioning system high-temperature refrigeration principle schematic that the utility model embodiment provides;
Fig. 4 is the first automobile heat pump air-conditioning system low-temperature heating principle schematic that the utility model embodiment provides;
Fig. 5 is the first automobile heat pump air-conditioning system normal temperature cooling and warming principle schematic that the utility model embodiment provides.
Wherein, 1, compressor; 2, flow to switch unit; 20, cross valve; 200, the import of cross valve; 201, first of cross valve the outlet; 202, second of cross valve the outlet; 21, the first two way cock valve; 210, the import of the first two way cock valve; 211, the outlet of the first two way cock valve; 22, the second two way cock valve; 220, the import of the second two way cock valve; 221, the outlet of the second two way cock valve; 3, the first switch valve; 4, outside First Heat Exchanger; 5, second switch valve; 6, outside the second heat exchanger; 7, the first expansion valve; 8, inner First Heat Exchanger; 9, the second expansion valve; 10, inner the second heat exchanger; 11, gas-liquid separator; 12, the 3rd switch valve.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to shown in Fig. 1 and Fig. 2, an automobile heat pump air-conditioning system, comprises compressor 1, flows to switch unit 2, the first switch valve 3, outside First Heat Exchanger 4, second switch valve 5, outside the second heat exchanger 6, the first expansion valve 7, inner First Heat Exchanger 8, the second expansion valve 9, inner the second heat exchanger 10, gas-liquid separator 11 and the 3rd switch valve 12; Wherein,
The outlet of described compressor 1 is connected with the described import that flows to switch unit 2;
Described the first outlet that flows to switch unit 2 is connected with the outlet of the second expansion valve 9 with the import of described the first switch valve 3, the import of second switch valve 5 respectively; Described the second outlet that flows to switch unit 2 is connected with the import of described inner the second heat exchanger 10;
The outlet of described inner the second heat exchanger 10 is connected with the import of described the second expansion valve 9;
The outlet of described the first switch valve 3 is connected with the import of described outside First Heat Exchanger 4;
The outlet of described second switch valve 5 is connected with the import of described outside the second heat exchanger 6;
The outlet of the outlet of described outside First Heat Exchanger 4 and outside the second heat exchanger 6 is connected with the import of the 3rd switch valve 12 with the import of described the first expansion valve 7 respectively;
The outlet of described the first expansion valve 7 is connected with the import of described inner First Heat Exchanger 8;
The outlet of the outlet of described inner First Heat Exchanger 8 and the 3rd switch valve 12 is connected with the import of described gas-liquid separator 11;
The outlet of described gas-liquid separator 11 is connected with the import of described compressor 1.
In the automobile heat pump air-conditioning system that the utility model provides, in car loong shunt, be provided with described outside First Heat Exchanger and outside the second heat exchanger, when described automobile heat pump air-conditioning system is operated in low-temperature heating operating mode, only use wherein any one external heat exchanger to carry out work, after this external heat exchanger operation frosting, can be by the switching of magnetic valve, be directly switch to the frostless external heat exchanger in another surface, proceed the heating process in car, and the external heat exchanger of frosting is carried out defrost process automatically, until switch back again during another external heat exchanger frosting, so go round and begin again and use in turn two external heat exchanger outside car.Therefore, the automobile heat pump air-conditioning system that the utility model provides, when defrosting, without the air-conditioning heating stopping in car, only switches two external heat exchanger, therefore switch fast the air-conditioning Energy Efficiency Ratio while substantially not affecting this heat pump type air conditioning system low-temperature heating and the comfortableness of Che Nei air-conditioning.
As a kind of specific embodiment, please refer to shown in Fig. 1, the described switch unit 2 that flows to is for controlling the flow direction of air-conditioning refrigerant, the concrete cross valve 20 that adopts, the import 200 of described cross valve 20 is as the described import that flows to switch unit 2, the first outlet 201 of described cross valve 20 is as described the first outlet that flows to switch unit 2, and the second outlet 202 of described cross valve 20 is as described the second outlet that flows to switch unit 2.In the present embodiment, the described switch unit that flows to adopts cross valve, therefore uses relatively simple structure, just can realize the function of air-conditioning system cooling and warming conversion.
As another kind of specific embodiment, please refer to shown in Fig. 2, the described switch unit 2 that flows to is for controlling the flow direction of air-conditioning refrigerant, specifically comprise the first two way cock valve 21 and the second two way cock valve 22, the outlet of described compressor 1 is connected with the import 210 of described the first two way cock valve 21 and the import 220 of the second two way cock valve 22 respectively, the outlet 211 of described the first two way cock valve 21 is as described the first outlet that flows to switch unit 2, and the outlet 221 of described the second two way cock valve 22 is as described the second outlet that flows to switch unit 2.In the present embodiment, the described switch unit that flows to adopts two two three-way electromagnetic valves, can control better the flow direction of cold-producing medium thus, thereby realizes the function of air-conditioning system cooling and warming conversion.
As specific embodiment, described the first switch valve 3 and second switch valve 5 are electric check valve or electric switching valve or magnetic valve, when freezing, heating with defrosting mode, can carry out switching over to described the first switch valve 3 and second switch valve 5, and then the flow direction of cold-producing medium is switched.Certainly, described the first switch valve 3 and second switch valve 5 also can also select other switch valve to carry out switch control.
As specific embodiment, described the first expansion valve 7 and the second expansion valve 9 are electric expansion valve, when freezing, heating with defrosting mode, can to the aperture of the first electric expansion valve and the second electric expansion valve, finely tune by the stepper motor by external control signal, and then refrigerant flow is controlled, thereby control the state of the cold-producing medium that enters external heat exchanger and internal exchanger, finally control the temperature of air outlet into the car.Certainly, on the basis of aforementioned electronic expansion valve, those skilled in the art it should be understood that described the first expansion valve 7 and the second expansion valve 9 can also adopt heating power expansion valve or other expansion valve.
As specific embodiment, the surface of described outside First Heat Exchanger 4 and outside the second heat exchanger 6 is equipped with temperature sensor, and described temperature sensor is used for gathering the temperature on external heat exchanger surface, and judges the thickness of frost layer with this.Particularly, what suppose under low-temperature heating operating mode just to use at present is outside First Heat Exchanger 4, under low-temperature heating operating mode, move after a period of time, frost layer has been tied on the surface of described outside First Heat Exchanger 4 gradually, the temperature of the temperature sensor collection arranging by outside First Heat Exchanger 4 surfaces judges the thickness of frost layer, if reach predetermined value, can switch outside the second heat exchanger 6 of use by switching the switching of the first switch valve 3 and second switch valve 5, now low-temperature heating operating mode continues operation; And the refrigerant that no longer includes low-temp low-pressure in outside First Heat Exchanger 4 passes through, by carrying out heat exchange with car outer air, the frost layer on described outside First Heat Exchanger 4 surfaces is melted gradually, until outside the second heat exchanger 6 surfaces are while also having tied thick frost layer, switch again outer two heat exchangers of the car of use in turn that the switching of the first switch valve 3 and second switch valve 5 goes round and begins again, thereby reach the defrosting of low-temperature heating operating mode but do not stop the object of air-conditioning heating in car.
As specific embodiment, described outside First Heat Exchanger 4 and outside the second heat exchanger 6 be arranged at automobile front chamber cooling water tank before (between front grid and cooling water tank).Particularly, the mode that is arranged side by side of interval before and after described outside First Heat Exchanger 4 and outside the second heat exchanger 6 can adopt, also can adopt the mode of horizontal Tile or the mode of tile vertically to be arranged in the same plane before automobile front chamber cooling water tank.
Below the concrete operating condition to the automobile heat pump air-conditioning system shown in Fig. 1 is elaborated.
One, high-temperature refrigeration operating mode:
Please refer to shown in Fig. 3, by automatically controlled control, allow the first outlet 201 of described cross valve 20 open, the second outlet 202 is closed; The first switch valve 3 or second switch valve 5 are opened; The first expansion valve 7 is opened, and the second expansion valve 9 cuts out.The concrete operation logic of high-temperature refrigeration operating mode: the high temperature and high pressure gaseous refrigerant of discharging from compressor 1 is through the first outlet the 201 and first switch valve 3(or second switch valve 5 of cross valve 20) enter outside First Heat Exchanger 4(or outside the second heat exchanger 6), described outside First Heat Exchanger 4(or outside the second heat exchanger 6) to carry out heat exchange cooling with car outer air be the liquid refrigerant of middle temperature high pressure, throttling cooling through the first expansion valve 7 is the liquid refrigerant of low-temp low-pressure, through the interior air of inner First Heat Exchanger 8 and car, carrying out heat exchange intensification is again the gaseous refrigerant of low-temp low-pressure, finally by crossing gas-liquid separator 11, flow back to compressor 1, complete thus the refrigerant circulation of described high-temperature refrigeration operating mode air-conditioning system.
Two, low-temperature heating operating mode:
Please refer to shown in Fig. 4, by automatically controlled control, allow the first outlet 201 of described cross valve 20 close, the second outlet 202 is opened; The first switch valve 3 or second switch valve 5 are opened, and the 3rd switch valve 12 is opened; The first expansion valve 7 cuts out, and the second expansion valve 9 is opened.The concrete operation logic of low-temperature heating operating mode: the high temperature and high pressure gaseous refrigerant of discharging from compressor 1 enters inner the second heat exchanger 10 after the second outlet 202 of cross valve 20, it is the liquid refrigerant of middle temperature high pressure that inner the second heat exchanger 10 carries out heat exchange cooling with the interior air of car, throttling cooling through the second expansion valve 9 is the liquid refrigerant of low-temp low-pressure, then pass through outside First Heat Exchanger 4(or outside the second heat exchanger 6) to carry out with car outer air that heat exchange heats up be the gaseous refrigerant of low-temp low-pressure, the 3rd switch valve 12 of flowing through again enters gas-liquid separator 11, finally flow back to compressor 1, complete thus the refrigerant circulation of described low-temperature heating operating mode air-conditioning system.
Three, normal temperature cooling and warming operating mode:
Please refer to shown in Fig. 5, by automatically controlled control, allow the first outlet 201 of described cross valve 20 close, the second outlet 202 is opened; The first switch valve 3 or second switch valve 5 are opened, and the 3rd switch valve 12 cuts out; The first expansion valve 7 and the second expansion valve 9 are opened.The concrete operation logic of normal temperature cooling and warming operating mode: the high temperature and high pressure gaseous refrigerant of discharging from compressor 1 enters inner the second heat exchanger 10 after the second outlet 202 of cross valve 20, it is the liquid refrigerant of middle temperature high pressure that inner the second heat exchanger 10 carries out heat exchange cooling with the interior air of car, throttling cooling through the second expansion valve 9 is the gas-liquid mixed refrigerant of medium temperature and medium pressure, then pass through outside First Heat Exchanger 4(or outside the second heat exchanger 6) to carry out heat exchange cooling with car outer air be the liquid refrigerant of medium temperature and medium pressure, throttling cooling through the first expansion valve 7 is the liquid refrigerant of low-temp low-pressure, through the interior air of inner First Heat Exchanger 8 and car, carrying out heat exchange intensification is again the gaseous refrigerant of low-temp low-pressure, finally by crossing gas-liquid separator 7, flow back to compressor 1, complete thus the refrigerant circulation of described normal temperature cooling and warming operating mode air-conditioning system.
In the same manner, concrete operating condition and the Fig. 1 of the automobile heat pump air-conditioning system shown in Fig. 2 are similar, and the concrete operation logic of its various operating modes does not repeat them here, and existing describes the automatically controlled control under various operating modes.Particularly: when high-temperature refrigeration operating mode, by automatically controlled control, allow described the first two way cock valve 21, the first switch valve 3 or second switch valve 5 open, the second two way cock valve 22 and the 3rd switch valve 12 are closed; The first expansion valve 7 is opened, and the second expansion valve 9 cuts out.When low-temperature heating operating mode, by automatically controlled control, allow described the first two way cock valve 21 close, the second two way cock valve 22, the first switch valve 3 or second switch valve 5, the 3rd switch valve 12 are opened; The first expansion valve 7 cuts out, and the second expansion valve 9 is opened.When normal temperature cooling and warming operating mode, by automatically controlled control, allow described the first two way cock valve 21 and the 3rd switch valve 12 close, the second two way cock valve 22, the first switch valve 3 or second switch valve 5 are opened; The first expansion valve 7 and the second expansion valve 9 are opened.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an automobile heat pump air-conditioning system, it is characterized in that, comprise compressor, flow to switch unit, the first switch valve, outside First Heat Exchanger, second switch valve, outside the second heat exchanger, the first expansion valve, inner First Heat Exchanger, the second expansion valve, inner the second heat exchanger, gas-liquid separator and the 3rd switch valve; Wherein,
The outlet of described compressor is connected with the described import that flows to switch unit;
Described the first outlet that flows to switch unit is connected with the outlet of the second expansion valve with the import of described the first switch valve, the import of second switch valve respectively; Described the second outlet that flows to switch unit is connected with the import of described inner the second heat exchanger;
The outlet of described inner the second heat exchanger is connected with the import of described the second expansion valve;
The outlet of described the first switch valve is connected with the import of described outside First Heat Exchanger;
The outlet of described second switch valve is connected with the import of described outside the second heat exchanger;
The outlet of the outlet of described outside First Heat Exchanger and outside the second heat exchanger is connected with the import of the 3rd switch valve with the import of described the first expansion valve respectively;
The outlet of described the first expansion valve is connected with the import of described inner First Heat Exchanger;
The outlet of described inner First Heat Exchanger is connected with the 3rd outlet of switch valve and the import of described gas-liquid separator;
The outlet of described gas-liquid separator is connected with the import of described compressor.
2. automobile heat pump air-conditioning system according to claim 1, it is characterized in that, the described switch unit that flows to is cross valve, the import of described cross valve is as the described import that flows to switch unit, the first outlet of described cross valve is as described the first outlet that flows to switch unit, and the second outlet of described cross valve is as described the second outlet that flows to switch unit.
3. automobile heat pump air-conditioning system according to claim 1, it is characterized in that, the described switch unit that flows to comprises the first two way cock valve and the second two way cock valve, the outlet of described compressor is connected with the import of the second two way cock valve with the import of described the first two way cock valve respectively, the outlet of described the first two way cock valve is as described the first outlet that flows to switch unit, and the outlet of described the second two way cock valve is as described the second outlet that flows to switch unit.
4. automobile heat pump air-conditioning system according to claim 1, is characterized in that, described the first switch valve and second switch valve are electric check valve or electric switching valve or magnetic valve.
5. automobile heat pump air-conditioning system according to claim 1, is characterized in that, described the first expansion valve and the second expansion valve are electric expansion valve or heating power expansion valve.
6. automobile heat pump air-conditioning system according to claim 1, is characterized in that, the surface of described outside First Heat Exchanger and outside the second heat exchanger is equipped with temperature sensor.
7. according to the automobile heat pump air-conditioning system described in any one in claim 1-6, it is characterized in that, described outside First Heat Exchanger and outside the second heat exchanger be arranged at automobile front chamber cooling water tank before.
8. automobile heat pump air-conditioning system according to claim 7, is characterized in that, described outside First Heat Exchanger and outside the second heat exchanger adopt the mode at horizontal Tile or tile vertically or interval, front and back be arranged at automobile front chamber heat radiation hydro-thermal before.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320406393.7U CN203518359U (en) | 2013-07-09 | 2013-07-09 | Automobile heat pump air conditioner system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406393.7U CN203518359U (en) | 2013-07-09 | 2013-07-09 | Automobile heat pump air conditioner system |
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| CN203518359U true CN203518359U (en) | 2014-04-02 |
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| CN201320406393.7U Expired - Lifetime CN203518359U (en) | 2013-07-09 | 2013-07-09 | Automobile heat pump air conditioner system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758061A (en) * | 2014-12-15 | 2016-07-13 | 比亚迪股份有限公司 | Vehicle and air-conditioning system thereof |
| WO2016202198A1 (en) * | 2015-06-15 | 2016-12-22 | Byd Company Limited | Air conditioning system for vehicle and vehicle having same |
| CN107139684A (en) * | 2017-05-19 | 2017-09-08 | 深圳市科泰新能源车用空调技术有限公司 | Automotive air-conditioning system |
| CN107966044A (en) * | 2017-11-17 | 2018-04-27 | 珠海格力电器股份有限公司 | A kind of covering heat exchanger, air conditioning system for vehicle and vehicle |
| CN108215714A (en) * | 2018-01-19 | 2018-06-29 | 上海威乐汽车空调器有限公司 | Electric automobile air conditioner heat pump system and its operation principle |
| CN113654273A (en) * | 2021-08-07 | 2021-11-16 | 仲恺农业工程学院 | Working medium non-mixed hot gas bypass defrosting heat pump system |
-
2013
- 2013-07-09 CN CN201320406393.7U patent/CN203518359U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758061A (en) * | 2014-12-15 | 2016-07-13 | 比亚迪股份有限公司 | Vehicle and air-conditioning system thereof |
| CN105758061B (en) * | 2014-12-15 | 2019-02-26 | 比亚迪股份有限公司 | Vehicle and its air-conditioning system |
| WO2016202198A1 (en) * | 2015-06-15 | 2016-12-22 | Byd Company Limited | Air conditioning system for vehicle and vehicle having same |
| CN107139684A (en) * | 2017-05-19 | 2017-09-08 | 深圳市科泰新能源车用空调技术有限公司 | Automotive air-conditioning system |
| CN107139684B (en) * | 2017-05-19 | 2023-09-01 | 深圳市科泰新能源车用空调技术有限公司 | Automobile air conditioning system |
| CN107966044A (en) * | 2017-11-17 | 2018-04-27 | 珠海格力电器股份有限公司 | A kind of covering heat exchanger, air conditioning system for vehicle and vehicle |
| CN108215714A (en) * | 2018-01-19 | 2018-06-29 | 上海威乐汽车空调器有限公司 | Electric automobile air conditioner heat pump system and its operation principle |
| CN113654273A (en) * | 2021-08-07 | 2021-11-16 | 仲恺农业工程学院 | Working medium non-mixed hot gas bypass defrosting heat pump system |
| CN113654273B (en) * | 2021-08-07 | 2024-05-10 | 仲恺农业工程学院 | Working medium non-mixed type hot gas bypass defrosting heat pump system |
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