CN110171267A - Electric automobile heat-pump air-conditioning system - Google Patents
Electric automobile heat-pump air-conditioning system Download PDFInfo
- Publication number
- CN110171267A CN110171267A CN201910452256.9A CN201910452256A CN110171267A CN 110171267 A CN110171267 A CN 110171267A CN 201910452256 A CN201910452256 A CN 201910452256A CN 110171267 A CN110171267 A CN 110171267A
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- Prior art keywords
- air
- exchange unit
- heat exchange
- electric automobile
- valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to air-conditioning technical fields, a kind of electric automobile heat-pump air-conditioning system is provided, heat exchange unit and refrigeration expansion valve outside compression unit, interior heat exchange unit, heating expansion valve, vehicle including piping connection, compression unit is Two-stage Compression structure, including stage compressor and split-compressor；It further include preheater and tonifying Qi expansion valve, preheater includes preheating high temperature side and preheating low temperature side, interior heat exchange unit and the heating preheated high temperature side piping connection of expansion valve, the arrival end of interior heat exchange unit and preheating low temperature side preheats the outlet end of low temperature side and the arrival end piping connection of split-compressor through tonifying Qi expansion valve piping connection.Electric automobile heat-pump air-conditioning system provided by the invention effectively increases extraneous low temperature environment and gets off the caloric receptivity of outer heat exchange unit, improve heating efficiency, can obtain good heating effect by being circularly set preheater and tonifying Qi expansion valve in heating.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of electric automobile heat-pump air-conditioning systems.
Background technique
Compared with traditional internal combustion engine automobile or hybrid vehicle, electric car can not utilize engine exhaust heat
Carry out interior heating.It heats currently, electric car winter generallys use electric heater assisted air conditioning system, but electric heater
Not only heat supply efficiency is low, and the course continuation mileage for consuming a large amount of vehicle-mounted electric energies, seriously affecting electric car.
Heat pump air conditioner has good refrigeration and heating performance, is the important solution party of electric car changes in temperature integrated air conditioner
Case, it has also become the research hotspot of electric car industry.Existing electric automobile air conditioner heat pump system, using two outside interior and vehicle
Heat exchanger, and heating and refrigeration mode switching are carried out by four-way valve.When outdoor temperature is lower, the heat exchange of Chang Yinche external heat exchanger
Efficiency reduction causes heat pump air conditioner heating capacity and efficiency lower, seriously affects heating effect, is unable to satisfy requirement.
Summary of the invention
The embodiment of the present invention provides a kind of electric automobile heat-pump air-conditioning system, to solve or part solves existing electronic vapour
Vehicle heat pump air conditioner heating capacity and efficiency are lower, and heating effect is poor, it is difficult to the problem of meeting requirement.
The embodiment of the present invention provides a kind of electric automobile heat-pump air-conditioning system, compression unit, car including piping connection
Heat exchange unit, heating expansion valve, the outer heat exchange unit of vehicle and refrigeration expansion valve, the compression unit are Two-stage Compression structure, including
Stage compressor and split-compressor；
It further include preheater and tonifying Qi expansion valve, the preheater includes preheating high temperature side and preheating low temperature side, the vehicle
Interior heat exchange unit and the heating expansion valve are through the preheating high temperature side piping connection, the car heat exchange unit and the preheating
The arrival end of low temperature side is through the tonifying Qi expansion valve piping connection, the outlet end of the preheating low temperature side and the split-compressor
Arrival end piping connection.
Electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention is circularly set preheater and tonifying Qi expansion in heating
Valve, makes the cycle fluid after interior heat exchange unit be allocated as two-way, and the first branch is gone out interior heat exchange unit by preheater
The gas of mouth further cools down, and obtain temperature before lower heating expansion valve throttles has to reach mass dryness fraction after lower throttling
Effect increases extraneous low temperature environment and gets off the caloric receptivity of outer heat exchange unit；Pressure is effectively reduced in second branch by way of Gas-supplying enthalpy-increasing
Contracting unit delivery temperature can have higher suction superheat in the case where identical delivery temperature, obtains additionally recepting the caloric and receive
Benefit.
Therefore, electric automobile heat-pump air-conditioning system provided by the invention is got off outside by effectively increasing extraneous low temperature environment
The caloric receptivity of heat exchange unit improves the compressor air suction degree of superheat and obtains the income that additionally recepts the caloric, so that heating capacity is effectively increased,
Heating efficiency is improved, good heating effect can be obtained, the use for meeting air-conditioning system under more extreme severe cold operating condition is wanted
It asks.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is electric automobile heat-pump air-conditioning system schematic diagram provided in an embodiment of the present invention；
Fig. 2 is electric automobile heat-pump air-conditioning system winter heating procedure of operating mode figure provided in an embodiment of the present invention；
Fig. 3 is electric automobile heat-pump air-conditioning system cooling in summer procedure of operating mode figure provided in an embodiment of the present invention；
Fig. 4 is electric automobile heat-pump air-conditioning system cooling in summer operating condition pressure-enthalpy chart provided in an embodiment of the present invention；
Fig. 5 is electric automobile heat-pump air-conditioning system winter heating operating condition pressure-enthalpy chart provided in an embodiment of the present invention；
In figure: 1, compression unit；2, Triple Valve with High Pressure；3, low pressure triple valve；4, expansion valve is heated；5, refrigeration expansion valve；
6, gas-liquid separator；7, the first shut-off valve；8, the second shut-off valve；9, preheater；10, regenerator；11, tonifying Qi expansion valve；12, vehicle
Interior evaporator；13, interior condenser；14, vehicle external heat exchanger；15, vehicle external fan；16, middle pressure cooler；17, interior fan；
18, import air-valve；19, tuning air-valve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of electric automobile heat-pump air-conditioning system, the compression list including piping connection
Member 1, interior heat exchange unit, heating expansion valve 4, the outer heat exchange unit of vehicle and refrigeration expansion valve 5.Compression unit 1 is Two-stage Compression knot
Structure, including stage compressor and split-compressor；It further include preheater 9 and tonifying Qi expansion valve 11, preheater 9 includes preheating high temperature
Side and preheating low temperature side, interior heat exchange unit and the heating preheated high temperature side piping connection of expansion valve 4, interior heat exchange unit and pre-
The arrival end pipeline of the expanded valve piping connection of the arrival end of hot low temperature side, the outlet end and split-compressor that preheat low temperature side connects
It connects.
Electric automobile heat-pump air-conditioning system provided by the invention changes outside 1 outlet end of compression unit and vehicle in cooling mode
Hot cell arrival end is connected, and the outlet end of interior heat exchanger is connected with the arrival end of stage compressor；From compression unit 1 two
The high temperature and high pressure gas of stage compressor outlet end outflow becomes low temperature high pressure gas after entering the outer heat exchange unit heat release of vehicle, through freezing
Heat exchanger heat absorption into the car after expansion valve 5 throttles, the rear stage compressor for entering compression unit 1.
In a heating mode, the outlet end of compression unit 1 is connected with the arrival end of interior heat exchange unit, vehicle external heat exchanger
14 outlet end is connected with the arrival end of stage compressor；The high temperature flowed out from 1 split-compressor outlet end of compression unit is high
Two-way can be allocated as after body heat exchange unit heat release into the car by calming the anger: the preheating high temperature side of the preheated device 9 of the first branch is further
Cooling becomes low temperature high pressure gas, becomes low-temp low-pressure two-phase fluid after throttling by heating expansion valve 4, then by changing outside vehicle
Hot cell evaporation endothermic, into the stage compressor of compression unit 1；Second branch becomes medium temperature after the throttling of tonifying Qi expansion valve 11
The two-phase fluid of middle pressure is heated after the preheating low temperature side of preheater 9, in the arrival end of split-compressor and by level-one
The first via working medium of compressor compresses is mutually converged, and is discharged after the compression of split-compressor, completes heating circulation.
It is circularly set preheater 9 and tonifying Qi expansion valve 11 in heating, makes the cycle fluid after interior heat exchange unit point
Make two-way, the first branch is further cooled down the gas that interior heat exchange unit exports by preheater 9, and it is swollen to obtain lower heating
Swollen valve 4 throttles preceding temperature, to reach mass dryness fraction after lower throttling, effectively increases extraneous low temperature environment and gets off outer heat exchange unit
Caloric receptivity；The case where second branch is effectively reduced 1 delivery temperature of compression unit by way of Gas-supplying enthalpy-increasing, identical delivery temperature
Under can have higher suction superheat, obtain the income that additionally recepts the caloric.
Therefore, electric automobile heat-pump air-conditioning system provided by the invention is got off outside by effectively increasing extraneous low temperature environment
The caloric receptivity of heat exchange unit improves the compressor air suction degree of superheat and obtains the income that additionally recepts the caloric, so that heating capacity is effectively increased,
Heating efficiency is improved, good heating effect can be obtained, the use for meeting air-conditioning system under more extreme severe cold operating condition is wanted
It asks.
Electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention, including heating expansion valve 4,5 and of refrigeration expansion valve
Each expansion valve including tonifying Qi expansion valve 11 can use the adjustable electric expansion valve of aperture, be adjusted according to operating condition demand
Throttle opening.Such as in a heating mode, it can also need to close tonifying Qi expansion valve 11 according to operating condition, cut off second branch
Working fluid flow.Electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention, can be using carbon dioxide as circulation industrial
Matter, it is natural, environmentally friendly, pollution-free.
Electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention can also include Triple Valve with High Pressure 2, low pressure threeway
Valve 3 and gas-liquid separator 6.Triple Valve with High Pressure 2 is connect with the outlet end of split-compressor, and low pressure triple valve 3 passes through gas-liquid separation
Device 6 is connect with the arrival end of stage compressor.The outer heat exchange unit of vehicle may include vehicle external heat exchanger 14 and vehicle external fan 15.Into one
Step ground, electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention can also include the first shut-off valve 7, the second shut-off valve 8
With middle pressure cooler 16.First shut-off valve 7 is set between the outlet end of stage compressor and the arrival end of split-compressor, and second
Shut-off valve 8 be set to stage compressor outlet end and it is middle pressure cooler 16 arrival end between, the arrival end of split-compressor and
The outlet end of middle pressure cooler 16 is connected.Middle pressure cooler 16 can be installed side by side with vehicle external heat exchanger 14, utility car exogenous wind
Fan 15 keeps equipment arrangement more compact, saves limited installation space.In cooling mode, can close the first shut-off valve 7,
The second shut-off valve 8 is opened, the outlet end of stage compressor is made to be connected by middle pressure cooler 16 with the arrival end of split-compressor
It is logical；By middle pressure cooler 16, the intake air temperature of split-compressor arrival end is reduced, compressor cooling during rolling is realized, so that two
There can be the higher degree of superheat in the case where the identical delivery temperature of grade compressor, obtain additional refrigeration income, promote refrigeration effect.
Electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention can also include regenerator 10.Regenerator 10 wraps
Backheat high temperature side and backheat low temperature side are included, through backheat high temperature side piping connection, vehicle changes outside for interior heat exchange unit and low pressure triple valve 3
Hot device 14 is with refrigeration expansion valve 5 through backheat low temperature side piping connection.At this point, in refrigeration cycle, the outer heat exchange unit of outflow vehicle
Low temperature high pressure gas, into the backheat high temperature side heat release of regenerator 10, the heat exchange unit into the car after the throttling of refrigeration expansion valve 5
Heat absorption, then after the heat absorption of backheat low temperature side, gas-liquid separator 6 is flowed into through low pressure triple valve 3.It can will be outside vehicle by regenerator 10
Heat exchange unit gas after cooling is further cooled down, and temperature before throttling is reduced, so that interior heat exchange unit be made to obtain volume
Outer cooling capacity income promotes refrigeration effect.
Electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention, interior heat exchange unit may include interior evaporator
12 and interior condenser 13.Interior evaporator 12, in refrigeration cycle, makes working medium from interior evaporator 12 for interior refrigeration heat absorption
It flows through, working medium 12 evaporation endothermic of evaporator in the car；Interior condenser 13 recycles in heating for interior heating heat release, makes work
Matter is flowed through from interior condenser 13, and condenser 13 condenses heat release to working medium in the car.Further, interior heat exchange unit can also wrap
Include air-conditioning duct and interior fan 17；Interior fan 17, interior evaporator 12 and interior condenser 13 along air-flow direction according to
It is secondary to be set in air-conditioning duct.Import air-valve 18 can also be arranged in interior heat exchange unit at the air intake of air-conditioning duct, be used for
It adjusts the outer fresh air of vehicle and interior return air enters the ratio of air-conditioning duct.Interior heat exchange unit can also go out in the air of air-conditioning duct
Mouth, which is provided with, to be blown foot air outlet, blows face air outlet and windshield air outlet, and interior heating or refrigeration ventilation comfort level are improved, right
Windshield carries out antifog air-supply.In addition, interior heat exchange unit can also include being set to interior evaporator 12 and interior condenser
Tuning air-valve 19 between 13, for the wind direction in air-conditioning duct to be adjusted.
The electric automobile heat-pump air-conditioning system cooling in summer operating condition pressure-enthalpy chart that one embodiment of the invention as shown in Figure 4 provides,
The gas 3 ' after cooling of heat exchange unit outside vehicle is cooled further at 3 points using regenerator 10, is arrived after the throttling of refrigeration expansion valve 5
4 points, extra capacity income 44 '；Using the double-stage compressor for pressing cooler 16 in band, the is carried out after medium pressure gas is cooled again
Second-compressed can have the higher degree of superheat, extra capacity income 1 ' 1 in the case where identical delivery temperature.
Be illustrated in figure 5 another embodiment of the present invention provides electric automobile heat-pump air-conditioning system winter heating operating condition press enthalpy
Figure, the gas that interior condenser 13 exports further is cooled down, temperature before lower throttling is obtained, to reach using preheater 9
Mass dryness fraction after to lower throttling effectively increases the caloric receptivity of the outer heat exchange unit of winter condition vehicle；In addition, the side for passing through Gas-supplying enthalpy-increasing
1 delivery temperature of compression unit is effectively reduced in formula, can have higher suction superheat, additional absorbent in the case of identical delivery temperature
Heat income 1 ' 1.
As can be seen from the above embodiments, electric automobile heat-pump air-conditioning system provided by the invention is circularly set in heating
Preheater 9 and tonifying Qi expansion valve 11, make the cycle fluid after interior heat exchange unit be allocated as two-way, and the first branch passes through preheating
Device 9 further cools down the gas that interior heat exchange unit exports, and obtains lower heating expansion valve 4 and throttles preceding temperature, to reach
The caloric receptivity that mass dryness fraction after to lower throttling, effectively increase external world low temperature environment get off outer heat exchange unit；Second branch passes through benefit
1 delivery temperature of compression unit is effectively reduced in the mode of gas increasing enthalpy, can have higher air-breathing in the case where identical delivery temperature
The degree of superheat obtains the income that additionally recepts the caloric.Therefore, electric automobile heat-pump air-conditioning system provided by the invention, by effectively increasing
Extraneous low temperature environment is got off the caloric receptivity of outer heat exchange unit, is improved the compressor air suction degree of superheat and is obtained the income that additionally recepts the caloric, from
And heating capacity is effectively increased, heating efficiency is improved, good heating effect can be obtained, meets more extreme severe cold operating condition
The requirement of lower air-conditioning system.In addition, electric automobile heat-pump air-conditioning system provided in an embodiment of the present invention, can use dioxy
Change carbon is natural, environmentally friendly, pollution-free as cycle fluid；It can also be set between one stage of compression unit 1 and two-stage compression unit 1
Middle pressure cooler 16 is set, so that there can be the higher degree of superheat in the case where the identical delivery temperature of split-compressor, is obtained additional
Refrigeration income, promotes refrigeration effect；It can also include regenerator 10, it can will be after heat exchange unit be cooling outside vehicle by regenerator 10
Gas further cooled down, so that interior heat exchange unit be made to obtain additional cooling capacity income, promote refrigeration effect；Car changes
Hot cell may include interior evaporator 12, interior condenser 13, air-conditioning duct and interior fan 17.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of electric automobile heat-pump air-conditioning system, compression unit, interior heat exchange unit including piping connection, heating expansion
The outer heat exchange unit of valve, vehicle and refrigeration expansion valve, which is characterized in that the compression unit is Two-stage Compression structure, including level-one pressure
Contracting machine and split-compressor；
It further include preheater and tonifying Qi expansion valve, the preheater includes preheating high temperature side and preheating low temperature side, and the car changes
Hot cell and the heating expansion valve are through the preheating high temperature side piping connection, the car heat exchange unit and the preheating low temperature
The arrival end of side is through the tonifying Qi expansion valve piping connection, the preheating outlet end of low temperature side and entering for the split-compressor
Mouth end piping connection.
2. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that the electric automobile heat-pump air-conditioning
The cycle fluid of system is carbon dioxide.
3. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that further include Triple Valve with High Pressure, low
Pressure triple valve and gas-liquid separator, the Triple Valve with High Pressure are connect with the outlet end of the split-compressor, the low pressure threeway
Valve is connect by the gas-liquid separator with the arrival end of the stage compressor；
The outer heat exchange unit of the vehicle includes vehicle external heat exchanger and vehicle external fan.
4. electric automobile heat-pump air-conditioning system according to claim 3, which is characterized in that further include the first shut-off valve,
Two shut-off valves and middle pressure cooler, outlet end and the split-compressor of first shut-off valve set on the stage compressor
Arrival end between, second shut-off valve be set to the stage compressor outlet end and medium pressure cooler arrival end
Between, the arrival end of the split-compressor is connected with the outlet end of medium pressure cooler.
5. electric automobile heat-pump air-conditioning system according to claim 3, which is characterized in that it further include regenerator, described time
Hot device includes backheat high temperature side and backheat low temperature side, and the car heat exchange unit and the low pressure triple valve are through the backheat high temperature
Lateral line connection, the vehicle external heat exchanger and the refrigeration expansion valve are through the backheat low temperature side piping connection.
6. electric automobile heat-pump air-conditioning system according to claim 1, which is characterized in that it is described car heat exchange unit include
Interior evaporator and interior condenser, the car evaporator is for interior refrigeration heat absorption, and the car condenser is for car
Heat heat release.
7. electric automobile heat-pump air-conditioning system according to claim 6, which is characterized in that the car heat exchange unit also wraps
Air-conditioning duct and interior fan are included, the car fan, the interior evaporator and the interior condenser are along air flowing side
To being sequentially arranged in the air-conditioning duct.
8. electric automobile heat-pump air-conditioning system according to claim 7, which is characterized in that the car heat exchange unit also wraps
Import air-valve is included, the import air-valve is located at the air intake of the air-conditioning duct.
9. electric automobile heat-pump air-conditioning system according to claim 7, which is characterized in that the sky of the car heat exchange unit
Gas outlet includes blowing foot air outlet, blowing face air outlet and windshield air outlet.
10. electric automobile heat-pump air-conditioning system according to claim 9, which is characterized in that the car heat exchange unit is also
Including tuning air-valve, the tuning air-valve is set between the interior evaporator and the interior condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452256.9A CN110171267A (en) | 2019-05-28 | 2019-05-28 | Electric automobile heat-pump air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452256.9A CN110171267A (en) | 2019-05-28 | 2019-05-28 | Electric automobile heat-pump air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110171267A true CN110171267A (en) | 2019-08-27 |
Family
ID=67695788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910452256.9A Pending CN110171267A (en) | 2019-05-28 | 2019-05-28 | Electric automobile heat-pump air-conditioning system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497769A (en) * | 2019-09-23 | 2019-11-26 | 中国科学院理化技术研究所 | Automobile heat pump system and its control method |
| CN111623553A (en) * | 2020-05-25 | 2020-09-04 | 青岛海尔空调电子有限公司 | Heat pump system |
| CN112297769A (en) * | 2020-11-05 | 2021-02-02 | 华南理工大学 | All-weather electric automobile heat pump air-conditioning system |
| CN114312206A (en) * | 2021-07-21 | 2022-04-12 | 华为数字能源技术有限公司 | Electric vehicle's thermal management system and electric vehicle |
| CN114475161A (en) * | 2022-03-30 | 2022-05-13 | 美的集团(上海)有限公司 | Heat management system of automobile and automobile |
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| CN103256747A (en) * | 2012-02-16 | 2013-08-21 | 杭州三花研究院有限公司 | Automobile air-conditioning system |
| CN103256746A (en) * | 2012-02-16 | 2013-08-21 | 杭州三花研究院有限公司 | Automobile air-conditioning system |
| CN108248336A (en) * | 2018-01-08 | 2018-07-06 | 中国科学院理化技术研究所 | A kind of heat pump air conditioning system used for electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103256747A (en) * | 2012-02-16 | 2013-08-21 | 杭州三花研究院有限公司 | Automobile air-conditioning system |
| CN103256746A (en) * | 2012-02-16 | 2013-08-21 | 杭州三花研究院有限公司 | Automobile air-conditioning system |
| CN108248336A (en) * | 2018-01-08 | 2018-07-06 | 中国科学院理化技术研究所 | A kind of heat pump air conditioning system used for electric vehicle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497769A (en) * | 2019-09-23 | 2019-11-26 | 中国科学院理化技术研究所 | Automobile heat pump system and its control method |
| CN111623553A (en) * | 2020-05-25 | 2020-09-04 | 青岛海尔空调电子有限公司 | Heat pump system |
| CN112297769A (en) * | 2020-11-05 | 2021-02-02 | 华南理工大学 | All-weather electric automobile heat pump air-conditioning system |
| CN114312206A (en) * | 2021-07-21 | 2022-04-12 | 华为数字能源技术有限公司 | Electric vehicle's thermal management system and electric vehicle |
| CN114312206B (en) * | 2021-07-21 | 2023-11-17 | 华为数字能源技术有限公司 | Electric vehicle thermal management system and electric vehicle |
| CN114475161A (en) * | 2022-03-30 | 2022-05-13 | 美的集团(上海)有限公司 | Heat management system of automobile and automobile |
| CN114475161B (en) * | 2022-03-30 | 2024-03-22 | 美的集团(上海)有限公司 | Thermal management system of automobile and automobile |
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