CN110422031A - A kind of pure electric coach air-conditioning and battery thermal management integrated system - Google Patents

A kind of pure electric coach air-conditioning and battery thermal management integrated system Download PDF

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Publication number
CN110422031A
CN110422031A CN201910763918.4A CN201910763918A CN110422031A CN 110422031 A CN110422031 A CN 110422031A CN 201910763918 A CN201910763918 A CN 201910763918A CN 110422031 A CN110422031 A CN 110422031A
Authority
CN
China
Prior art keywords
heat exchanger
battery
conditioning
air
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910763918.4A
Other languages
Chinese (zh)
Inventor
于婷婷
时红臣
郭军峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Kelin Motor Vehicle Air Conditioning Co Ltd
Original Assignee
Zhengzhou Kelin Motor Vehicle Air Conditioning Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Kelin Motor Vehicle Air Conditioning Co Ltd filed Critical Zhengzhou Kelin Motor Vehicle Air Conditioning Co Ltd
Priority to CN201910763918.4A priority Critical patent/CN110422031A/en
Publication of CN110422031A publication Critical patent/CN110422031A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392Air-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • B60H1/3223Cooling devices using compression characterised by the arrangement or type of the compressor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • B60H1/3227Cooling devices using compression characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H2001/00307Component temperature regulation using a liquid flow
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses a kind of pure electric coach air-conditionings and battery thermal management integrated system, it is characterised in that: including compressor, outdoor heat exchanger, indoor heat exchanger, battery cooling system, four-way reversing valve, filter, the first electric expansion valve, the second electric expansion valve, the first check valve, second one-way valve, gas-liquid separator and plate heat exchanger.The present invention can meet the heating needs of air-conditioning and the cooling demand of battery by increasing the first check valve and second one-way valve simultaneously;Simultaneously as the integrated utilization of battery waste heat, is equivalent to heat required for providing heat pump low temperature side refrigerant evaporation, improves the heating capacity and Energy Efficiency Ratio of air-conditioning side.

Description

A kind of pure electric coach air-conditioning and battery thermal management integrated system
Technical field
The invention belongs to pure electric coach fields, and in particular to a kind of pure electric coach air-conditioning and battery thermal management are integrated System.
Background technique
The performance of pure electric coach air-conditioning, reliability, comfort index, directly influence terminal client by bus experience and The market competitiveness of vehicle.
As the subsidy of integral new-energy passenger national policy is fallen off year by year, the demand for development of the following pure electric coach reduces vehicle Cost can just have profit;On the other hand, the only efficient operation of guaranteed battery, could improve efficiency and the service life of battery, battery The demand of heat management can be also continuously increased.It how to be able to satisfy the demand of battery thermal management, while cost can be controlled again, it will It is a direction of automobile research follow-up work.The thinking of vehicle heat management is exactly by pure electric coach car air-conditioning system and electricity Pond heat management system integrates.Because having shared the refrigeration part (compressor, condenser, DC-DC power source system) of part The cost of vehicle heat management can be effectively reduced.
The prior art uses following technical scheme: 1. fast charge is with battery cooling mode when driving a vehicle: in existing air-conditioning products base On plinth, water cooling modular system in parallel is exchanged heat, and then cool down to battery by plate heat exchanger and battery coolant liquid; 2. battery refrigeration, air-conditioning heating mode: compressor is individually cooling to battery, and air-conditioning side is heated by internal ptc heater.
Battery cooling demand when the prior art can satisfy fast charge and driving, but for winter, a kind of very common situation It is that battery needs to cool down, and air-conditioning needs to heat, the two demand is on the contrary, can only preferentially meet the cooling requirement of battery, air-conditioning side It is heated by internal ptc heater, this scheme efficiency is low.
Summary of the invention
For the deficiency of above-mentioned prior art, the object of the present invention is to provide a kind of pure electric coach air-conditionings and electricity Pond heat management integrated system.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of pure electric coach air-conditioning and battery thermal management integrated system, including compressor, outdoor heat exchanger, interior change Hot device, battery cooling system, four-way reversing valve, filter, the first electric expansion valve, the second electric expansion valve, the first check valve, Second one-way valve, gas-liquid separator and plate heat exchanger;There are four interface, interface one and compressors for the four-way reversing valve tool Outlet connection, interface two are connect with one end of outdoor heat exchanger, and interface three is connect with one end of indoor heat exchanger, interface four and gas One end of liquid/gas separator connects, and the import of the other end and compressor of gas-liquid separator connects;The other end of outdoor heat exchanger passes through The connection of the other end of filter and the first electric expansion valve and indoor heat exchanger, the both ends of the first electric expansion valve are also respectively with the One check valve is connected with the import of second one-way valve, the second electric expansion valve of outlet of the first check valve and second one-way valve with One end of plate heat exchanger air-conditioning side connects, and the other end of plate heat exchanger air-conditioning side and one end of gas-liquid separator connect, plate The both ends of formula heat exchanger battery side are connect with battery cooling system.
The battery cooling system includes battery modules, expansion drum, water pump, water level switch and water route pipeline, expansion drum It is connect through water route pipeline with water pump, water level switch is arranged between expansion drum and water pump, and the both ends of water pump are through water route pipeline and plate The both ends of formula heat exchanger battery side connect, and battery modules are laid on waterway tube road.
The compressor, outdoor heat exchanger, indoor heat exchanger and plate heat exchanger are integrated at the top of car, at the top of car It is also integrated with electric cabinet and power module, above-mentioned functional component forms top-mounted air conditioner, and electric cabinet and power module are top-mounted air conditioner Power supply control.
The middle position of top-mounted air conditioner is arranged in the outdoor heat exchanger, and the two sides of outdoor heat exchanger are provided with indoor heat exchange The front position of top-mounted air conditioner is arranged in device, compressor, and the side of compressor is arranged in plate heat exchanger, and power module setting exists The back-end location of heat exchanger indoors is arranged in the back-end location of top-mounted air conditioner, electric cabinet.
It is provided with blower cover board above the outdoor heat exchanger, is provided with air-conditioning lid, compressor above indoor heat exchanger Top is provided with former dome, is provided with rear pod above power module.
Compared with prior art, the invention has the benefit that the present invention is by increasing the first check valve and second unidirectionally Valve can meet the heating needs of air-conditioning and the cooling demand of battery simultaneously;Simultaneously as the integrated utilization of battery waste heat, quite In providing heat required for heat pump low temperature side refrigerant evaporation, the heating capacity and Energy Efficiency Ratio of air-conditioning side are improved.
Detailed description of the invention
Fig. 1 is air-conditioning surface structure schematic diagram of the invention.
Fig. 2 is air-conditioning schematic diagram of internal structure of the invention.
Fig. 3 is air-conditioning work schematic diagram of the invention.
In figure, 1 is air-conditioning lid, and 2 be blower cover board, and 3 be former dome, and 4 be rear pod, and 5 be electric cabinet, and 6 be room Interior heat exchanger, 7 be outdoor heat exchanger, and 8 be compressor, and 9 be plate heat exchanger, and 10 be the first electric expansion valve, and 11 be the second electricity Sub- expansion valve, 12 be the first check valve, and 13 be second one-way valve, and 14 be four-way reversing valve, and 15 be filter, and 16 be gas-liquid separation Device, 17 be battery modules, and 18 be expansion drum, and 19 be water pump, and 20 be water level switch, and 21 be power module.
Specific embodiment
As shown in Figures 1 to 3, a kind of pure electric coach air-conditioning and battery thermal management integrated system, are mainly used for pure electric vehicle Car can be met the needs of air-conditioning heating and battery refrigeration simultaneously, be conducive to vehicle section using double-compressor, double air return structures It can consumption reduction.The system includes compressor 8, outdoor heat exchanger 7, indoor heat exchanger 6, battery cooling system, four-way reversing valve 14, mistake Filter 15, the first electric expansion valve 10, the second electric expansion valve 11, the first check valve 12, second one-way valve 13, gas-liquid separator 16, plate heat exchanger 9, electric cabinet 5 and power module 21;Outdoor heat exchanger 7 is condensation core and condensation fan, indoor heat exchanger 6 be evaporation core body and evaporation fan, battery cooling system include battery modules 17, expansion drum 18, water pump 19, water level switch 20 with And water route pipeline, expansion drum 18 is connect through water route pipeline and water level switch 20 with water pump 19, cold in battery cooling system But when liquid deficiency, water level switch 20 is opened, is that battery cooling system supplies coolant liquid, the both ends warp of water pump 19 by expansion drum 18 Water route pipeline is connect with the both ends of 9 battery side of plate heat exchanger, and battery modules 17 are laid on waterway tube road, and coolant liquid is board-like After cooling down on heat exchanger 9, cool down for battery;Above-mentioned functional component, which is integrated at the top of car, forms top-mounted air conditioner, electric cabinet 5 and electricity Source module 21 provides required power supply and required control for air-conditioning and battery thermal management integrated system.
In above-mentioned functional component, there are four interface, interface one connect with the outlet of compressor 8, connects the tool of four-way reversing valve 14 Mouth two is connect with one end of outdoor heat exchanger 7, and interface three is connect with one end of indoor heat exchanger 6, interface four and gas-liquid separator 16 one end connection, the other end of gas-liquid separator 16 are connect with the import of compressor 8.It is commutated, is made by four-way reversing valve 14 Outdoor heat exchanger 7 is equivalent to evaporator, and indoor heat exchanger 6 is equivalent to condenser, and air-conditioning can also heat for car.
The other end of the other end of outdoor heat exchanger 7 through filter 15 and the first electric expansion valve 10 and indoor heat exchanger 6 Connection, the both ends of the first electric expansion valve 10 are also connect with the import of the first check valve 12 and second one-way valve 13 respectively, and first Check valve 12 and the second electric expansion valve of outlet 11 of second one-way valve 13 are connect with one end of 9 air-conditioning side of plate heat exchanger, The other end of 9 air-conditioning side of plate heat exchanger is connect with one end of gas-liquid separator 16, the both ends of 9 battery side of plate heat exchanger and electricity The connection of pond cooling system.
When air conditioner refrigerating, outdoor heat exchanger 7 is condensation core and condensation fan, and indoor heat exchanger is evaporation core body and evaporation Blower, after condensing core before the first electric expansion valve 10, refrigerant flow is divided into two parts: a part is through the first electric expansion valve 10 enter evaporation core body, cool down for in-vehicle air, promote personnel's comfort;Another part enters plate through the second electric expansion valve 11 9 air-conditioning side of formula heat exchanger, the water route for battery cooling system cool down, and take away the heat discharged in battery work and charging process Amount guarantees the reliability of the normal output and vehicle of battery.The main function of plate heat exchanger 9 is to serve as evaporation in battery side Device uses, the circulating cooling liquid progress heat exchange of refrigerant and battery side, the temperature of the coolant liquid to reduce circulating battery, in turn Cool down to battery, meets requirement.Air-conditioning and battery thermal management integrated system shared compressor, pass through opening for variable expansion valve The assignment of traffic of degree control refrigerant, to meet different heat demands.
Top-mounted air conditioner is arranged at the top of car, arranges to functional component, top-mounted air conditioner is arranged in outdoor heat exchanger 7 Middle position is provided with blower cover board 2 above outdoor heat exchanger 7, can be by removing blower cover board 2 to outdoor heat exchange in maintenance Device 7 repairs maintenance;The two sides of outdoor heat exchanger 7 are provided with indoor heat exchanger 6, and the rear end of indoor heat exchanger 6 is provided with Electric cabinet 5 is provided with air-conditioning lid 1 above indoor heat exchanger 6, can pass through in maintenance and open 1 pair of air-conditioning lid indoor heat exchange Device 6 and electric cabinet 5 repair maintenance;The front position of top-mounted air conditioner is arranged in double-compressor 8, is provided with above compressor 8 Former dome 3;The side of compressor 8 is arranged in plate heat exchanger 9, and the back-end location of top-mounted air conditioner is arranged in power module 21, Rear pod 4 is provided with above power module 21;Former dome 3 and rear pod 4 can reduce the resistance of car under steam, Advantageously reduce the energy consumption of car.It should be noted that front end described herein refers to close to the direction of car headstock, Rear end refers to close to the direction of the car tailstock.
Working method of the invention are as follows: according to above-mentioned connection relationship setting air-conditioning and battery thermal management integrated system.
When air-conditioning has refrigeration demand, battery side not to need cooling, opens the first electric expansion valve 10, closes the second electronics Expansion valve 11 blocks battery side refrigerant flow, meets the needs of air conditioner refrigerating, can individually meet passenger to the refrigeration need of air-conditioning It asks.
When air-conditioning has heating needs, battery side not to need cooling, four-way reversing valve 14 commutates, and opens the first electronic expansion Valve 10 closes the second electric expansion valve 11, blocks battery side refrigerant flow, meets the requirement of air-conditioning heating, can individually meet Heating needs of the passenger to air-conditioning.
When air-conditioning does not need refrigeration, battery side needs to cool down, it is swollen to close the first electric expansion valve 10, the second electronics of unlatching Swollen valve 11 adjusts the revolving speed of compressor 8 and evaporation fan, condensation fan as needed, meets the needs of battery cooling, mainly exists It is used when battery fast charge heat release, can individually meet the cooling demand of battery.
When air-conditioning has refrigeration demand, battery side needs to cool down, while adjusting the first electric expansion valve 10 and the second electronics Expansion valve 11 meets the needs of air conditioner refrigerating and battery cooling, can meet the cooling of the empty refrigeration demand and battery proposed simultaneously Demand meets refrigeration, drop under different operating conditions by adjusting the aperture of the first electric expansion valve 10 and the second electric expansion valve 11 Warm demand.
When winter air-conditioning has heating needs, battery side needs to cool down, four-way reversing valve 14 commutates, at this time indoor heat exchanger 6 are equivalent to condenser, and plate heat exchanger 9 and outdoor heat exchanger 6 are equivalent to evaporator, and the two is in parallel, opens the first electronic expansion Valve 10, the second electric expansion valve 11, while meeting the needs of air-conditioning heating and battery cooling.
The above is only the preferred embodiments of the invention, is not limited to the technical solution, and should be referred to Out, under the premise of those skilled in the art, then technical solution of the present invention, further improvement can also be made and changed, this A little improvement and change should be all included within the scope of protection of the present invention.

Claims (5)

1. a kind of pure electric coach air-conditioning and battery thermal management integrated system, it is characterised in that: including compressor (8), outdoor Heat exchanger (7), indoor heat exchanger (6), battery cooling system, four-way reversing valve (14), filter (15), the first electric expansion valve (10), it the second electric expansion valve (11), the first check valve (12), second one-way valve (13), gas-liquid separator (16) and board-like changes Hot device (9);Four-way reversing valve (14) tool is there are four interface, and interface one is connect with the outlet of compressor (8), interface two and room One end of external heat exchanger (7) connects, and interface three is connect with the one end of indoor heat exchanger (6), interface four and gas-liquid separator (16) One end connection, the other end of gas-liquid separator (16) connect with the import of compressor (8);The other end of outdoor heat exchanger (7) It is connect through filter (15) and the first electric expansion valve (10) with the other end of indoor heat exchanger (6), the first electric expansion valve (10) both ends are also connect with the import of the first check valve (12) and second one-way valve (13) respectively, the first check valve (12) and The second electric expansion valve of outlet (11) of two check valves (13) is connect with one end of plate heat exchanger (9) air-conditioning side, board-like to change The other end of hot device (9) air-conditioning side is connect with one end of gas-liquid separator (16), the both ends of plate heat exchanger (9) battery side and electricity The connection of pond cooling system.
2. pure electric coach air-conditioning according to claim 1 and battery thermal management integrated system, it is characterised in that: described Battery cooling system includes battery modules (17), expansion drum (18), water pump (19), water level switch (20) and water route pipeline, swollen Swell (18) is connect through water route pipeline with water pump (19), and water level switch (20) is arranged between expansion drum (18) and water pump (19), The both ends of water pump (19) are connect through water route pipeline with the both ends of plate heat exchanger (9) battery side, and battery modules (17) are laid on water On the pipeline of road.
3. pure electric coach air-conditioning according to claim 1 and battery thermal management integrated system, it is characterised in that: described Compressor (8), outdoor heat exchanger (7), indoor heat exchanger (6) and plate heat exchanger (9) are integrated at the top of car, at the top of car It is also integrated with electric cabinet (5) and power module (21), above-mentioned functional component forms top-mounted air conditioner, electric cabinet (5) and power module It (21) is top-mounted air conditioner power supply control.
4. pure electric coach air-conditioning according to claim 3 and battery thermal management integrated system, it is characterised in that: described The middle position of top-mounted air conditioner is arranged in outdoor heat exchanger (7), and the two sides of outdoor heat exchanger (7) are provided with indoor heat exchanger (6), The front position of top-mounted air conditioner is arranged in compressor (8), and plate heat exchanger (9) is arranged in the side of compressor (8), power module (21) back-end location of top-mounted air conditioner is set, and the back-end location of heat exchanger (6) indoors is arranged in electric cabinet (5).
5. pure electric coach air-conditioning according to claim 4 and battery thermal management integrated system, it is characterised in that: described It is provided with blower cover board (2) above outdoor heat exchanger (7), is provided with air-conditioning lid (1), compressor above indoor heat exchanger (6) (8) top is provided with former dome (3), is provided with rear pod (4) above power module (21).
CN201910763918.4A 2019-08-19 2019-08-19 A kind of pure electric coach air-conditioning and battery thermal management integrated system Pending CN110422031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910763918.4A CN110422031A (en) 2019-08-19 2019-08-19 A kind of pure electric coach air-conditioning and battery thermal management integrated system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910763918.4A CN110422031A (en) 2019-08-19 2019-08-19 A kind of pure electric coach air-conditioning and battery thermal management integrated system

Publications (1)

Publication Number Publication Date
CN110422031A true CN110422031A (en) 2019-11-08

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Application Number Title Priority Date Filing Date
CN201910763918.4A Pending CN110422031A (en) 2019-08-19 2019-08-19 A kind of pure electric coach air-conditioning and battery thermal management integrated system

Country Status (1)

Country Link
CN (1) CN110422031A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111002872A (en) * 2019-12-20 2020-04-14 广州精益汽车空调有限公司 Dual-system electric car air conditioner with battery thermal management function
CN111422025A (en) * 2020-02-29 2020-07-17 华南理工大学 Pure electric vehicles double evaporation ware heat pump air conditioning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111002872A (en) * 2019-12-20 2020-04-14 广州精益汽车空调有限公司 Dual-system electric car air conditioner with battery thermal management function
CN111422025A (en) * 2020-02-29 2020-07-17 华南理工大学 Pure electric vehicles double evaporation ware heat pump air conditioning system

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