CN209552867U - Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve - Google Patents

Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve Download PDF

Info

Publication number
CN209552867U
CN209552867U CN201822050213.1U CN201822050213U CN209552867U CN 209552867 U CN209552867 U CN 209552867U CN 201822050213 U CN201822050213 U CN 201822050213U CN 209552867 U CN209552867 U CN 209552867U
Authority
CN
China
Prior art keywords
channel electronic
thermostat valve
electronic thermostat
cooling circuit
heat exchanger
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.)
Active
Application number
CN201822050213.1U
Other languages
Chinese (zh)
Inventor
王永强
韦长华
黄朝宗
肖丽芬
景勤
朱坚
白杨
巩庆磊
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.)
Jiangsu Chaoli Electric Inc
Original Assignee
Jiangsu Chaoli Electric Inc
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 Jiangsu Chaoli Electric Inc filed Critical Jiangsu Chaoli Electric Inc
Priority to CN201822050213.1U priority Critical patent/CN209552867U/en
Application granted granted Critical
Publication of CN209552867U publication Critical patent/CN209552867U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

Landscapes

  • Air-Conditioning For Vehicles (AREA)

Abstract

The utility model discloses a kind of direct pump type heat automotive air-conditioning systems based on the optimization of multi-channel electronic thermostat valve, including motor compressor, plate heat exchanger, outdoor condenser, HVAC assembly, battery cooling circuit unit and power assembly cooling circuit unit, HVAC assembly is arranged inside automobile bodies, the arrival end of outdoor condenser is connected with the exhaust port side of motor compressor, plate heat exchanger automobile bodies front, battery cooling circuit unit is connected with the input all the way of plate heat exchanger, output, forms battery cooling circuit;Power assembly cooling circuit unit is connected with the input of the another way of plate heat exchanger, output, forms power assembly cooling circuit, and power assembly cooling circuit unit is arranged in car engine cabin, and the output end of HVAC assembly is connected with gas-liquid separator.The utility model increases entire pump type heat automotive air-conditioning system design rationality, energy conservation and environmental protection, and circulation loop rationally runs, has a good application prospect.

Description

Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve
Technical field
The utility model relates to automobile air conditioning technology fields, and in particular to it is a kind of based on multi-channel electronic thermostat valve optimization Direct pump type heat automotive air-conditioning system.
Background technique
HVAC(Heating, Ventilation and Air Conditioning) assembly, by evaporator, heating core, Blower fan, air cleaner etc. are constituted, by the way that cooling air in evaporator and the air heated in heating core are carried out Mixing is adjusted, and is sent into suitable wind toward interior, is created interior a home from home, be the critical component of vehicle, especially use in heat In pump-type automobile.The performance quality of pump type heat automotive air-conditioning system, directly influences the usage comfort of driver or passenger. Currently, pump type heat automotive air-conditioning system on the market, not integrated recycling HVAC assembly waste heat function, lead to pump type heat automobile Power consumption increases;Secondly, not using reasonably optimizing control program in terms of control, pump type heat automotive air-conditioning system is caused to control Mode is bad.
Therefore, the pump type heat automotive air-conditioning system for how designing reasonably optimizing is current problem to be solved.
Utility model content
The purpose of the utility model is to overcome the problems of pump type heat automotive air-conditioning systems in the prior art.This is practical The novel direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve is provided with battery cooling circuit and moves Power assembly cooling circuit and the first to the 5th circuit, by controlling the first multi-channel electronic thermostat valve, the second multi-channel electronic Thermostat valve, third multi-channel electronic thermostat valve state switch and realize, battery cooling circuit and power assembly cooling circuit it is remaining Heat heats plate heat exchanger, increases entire pump type heat automotive air-conditioning system design rationality, energy conservation and environmental protection, circulation loop Rationally operation, has a good application prospect.
Energy conservation and environmental protection, circulation loop are rationally run, and are had a good application prospect.
In order to achieve the above object, the technical scheme adopted by the utility model is
A kind of direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve, including motor compressor, Plate heat exchanger, outdoor condenser, HVAC assembly, battery cooling circuit unit and power assembly cooling circuit unit,
The motor compressor, outdoor condenser are arranged at outside automobile bodies, and the HVAC assembly is arranged in automobile The arrival end of interior, the outdoor condenser is connected with the exhaust port side of motor compressor,
Plate heat exchanger automobile bodies front is provided with two-way output in the plate heat exchanger, all the way in output Lead to refrigerant, leads to refrigerating medium in another output;Output end passes through gas-liquid separator and electronic pressure to the plate heat exchanger all the way The inlet port of contracting machine is connected,
The battery cooling circuit unit is connected with the input all the way of plate heat exchanger, output, forms battery and cools back Road;The power assembly cooling circuit unit is connected with the input of the another way of plate heat exchanger, output, and it is cold to form power assembly But circuit,
The power assembly cooling circuit unit is arranged in car engine cabin, for the cold of engine and automobile electrically-controlled case But,
The output end of the HVAC assembly is connected with gas-liquid separator.
Direct pump type heat automotive air-conditioning system above-mentioned based on the optimization of multi-channel electronic thermostat valve, the HVAC assembly Arrival end is connected with the outlet end of outdoor condenser, forms the first circuit;It is described outdoor condenser outlet end also with it is board-like The input all the way of heat exchanger is connected, and forms second servo loop, first circuit, second servo loop are arranged in parallel;
It is provided with normally open solenoid valve between the motor compressor, outdoor condenser, forms tertiary circuit;The HVAC Assembly is connected by the first electric expansion valve with the arrival end of outdoor condenser, and the 4th circuit is formed;The motor compressor Exhaust port side also pass through normally closed solenoid valve and be connected with HVAC assembly, form the 5th circuit.
Direct pump type heat automotive air-conditioning system above-mentioned based on the optimization of multi-channel electronic thermostat valve, the outdoor condenser Outlet end and plate heat exchanger between be provided with the second electric expansion valve.
Direct pump type heat automotive air-conditioning system above-mentioned based on the optimization of multi-channel electronic thermostat valve, the battery cool back Road unit, including automobile batteries group, the first water pump and the first radiator, the first multi-channel electronic thermostat valve, the second multichannel electricity Sub- thermostat valve, the input terminal of the first multi-channel electronic thermostat valve is connected with the output end all the way of plate heat exchanger, described The output of first multi-channel electronic thermostat valve is connected by the first water pump with automobile batteries group, and the automobile batteries group also passes through Second multi-channel electronic thermostat valve is connected with the input terminal all the way of the input terminal of the first radiator, plate heat exchanger respectively, institute The output end for stating the first radiator is connected with the first multi-channel electronic thermostat valve, forms battery cooling circuit, and the battery is cold But circuit is also used to give plate heat exchanger heat supply, forms waste heat recycling.
Direct pump type heat automotive air-conditioning system above-mentioned based on the optimization of multi-channel electronic thermostat valve, the power assembly are cold But circuit units, including third multi-channel electronic thermostat valve, the second water pump, the second radiator and power assembly, the third are more The input terminal of channel electron thermostat valve is connected with the output end of the first multi-channel electronic thermostat valve, the third multi-channel electronic The output end of thermostat valve passes sequentially through the second radiator, the second water pump is connected with power assembly, the power assembly and third Multi-channel electronic thermostat valve is connected, the third multi-channel electronic thermostat valve by the second multi-channel electronic thermostat valve with it is board-like Another input terminal of heat exchanger is connected, and forms power assembly cooling circuit, and the power assembly cooling circuit is also used to plate Formula heat exchanger heat supply forms waste heat recycling.
Direct pump type heat automotive air-conditioning system above-mentioned based on the optimization of multi-channel electronic thermostat valve, the waste heat recycling, Pass through the state of the first multi-channel electronic thermostat valve of control, the second multi-channel electronic thermostat valve, third multi-channel electronic thermostat valve What switching was realized.
The beneficial effects of the utility model are: the direct heat pump based on the optimization of multi-channel electronic thermostat valve of the utility model Type automotive air-conditioning system is provided with battery cooling circuit and power assembly cooling circuit and the first to the 5th circuit, passes through control Make the state switching reality of the first multi-channel electronic thermostat valve, the second multi-channel electronic thermostat valve, third multi-channel electronic thermostat valve Existing, the waste heat of battery cooling circuit and power assembly cooling circuit heats plate heat exchanger, increases entire pump type heat vapour Vehicle design of air conditioning reasonability, energy conservation and environmental protection, circulation loop rationally run, have a good application prospect.
Detailed description of the invention
Fig. 1 is that the direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve of the utility model is System block diagram.
Attached meaning marked in the figure is as follows:
1: motor compressor;2: plate heat exchanger;3: outdoor condenser;4:HVAC assembly;5: gas-liquid separator;6: power Assembly;7: normally open solenoid valve;8: the first electric expansion valves;9: the second electric expansion valves;10: automobile batteries group;11: the first water Pump;12: the first radiators;13: the first multi-channel electronic thermostat valves;14: the second multi-channel electronic thermostat valves;15: third multi-pass Road electronic temperature control valve;16: the second water pumps;17: the second radiators;18: normally closed solenoid valve.
Specific embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, the direct pump type heat air conditioning for automobiles system based on the optimization of multi-channel electronic thermostat valve of the utility model System, including motor compressor 1, plate heat exchanger 2, outdoor condenser 3, HVAC assembly 4, battery cooling circuit unit and power are total At cooling circuit unit,
The motor compressor 1, outdoor condenser 3 are arranged at outside automobile bodies, and the HVAC assembly 4 is arranged in vapour The arrival end of vehicle interior, the outdoor condenser 3 is connected with the exhaust port side of motor compressor 1,
The 2 automobile bodies front of plate heat exchanger is provided with two-way output in the plate heat exchanger 2, exports all the way Interior logical refrigerant leads to refrigerating medium in another output;The 2 one road output end of plate heat exchanger passes through gas-liquid separator 5 and electricity The inlet port of dynamic compressor 1 is connected,
The battery cooling circuit unit is connected with the input all the way of plate heat exchanger 2, output, forms battery and cools back Road;The power assembly cooling circuit unit is connected with the input of the another way of plate heat exchanger 2, output, forms power assembly Cooling circuit,
The power assembly cooling circuit unit is arranged in car engine cabin, for the cold of engine and automobile electrically-controlled case But,
The output end of the HVAC assembly 4 is connected with gas-liquid separator 5.
Preferably, the arrival end of the HVAC assembly 4 is connected with the outlet end of outdoor condenser 3, is formed first time Road;The outlet end of the outdoor condenser 3 is also connected with the input all the way of plate heat exchanger 2, forms second servo loop, and described the Primary Ioops, second servo loop are arranged in parallel;
It is provided with normally open solenoid valve 7 between the motor compressor 1, outdoor condenser 3, forms tertiary circuit;It is described HVAC assembly 4 is connected by the first electric expansion valve 8 with the arrival end of outdoor condenser 3, and the 4th circuit is formed;It is described electronic The exhaust port side of compressor 1 also passes through normally closed solenoid valve 18 and is connected with HVAC assembly 4, forms the 5th circuit.
Motor compressor 1, outdoor condenser 3, plate heat exchanger 2, HVAC assembly 4 are realized in described first to the 5th circuit Between constitute circuit be recycled, can energy-saving and emission-reduction, rationally utilize motor compressor 1, outdoor condenser 3, plate heat exchanger 2 , HVAC assembly 4 generate energy.
Preferably, it is provided with the second electric expansion valve 9 between the outlet end and plate heat exchanger 2 of the outdoor condenser 3, For opening between automatic control room external condenser 3, plate heat exchanger 2 or it is closed.
Preferably, the battery cooling circuit unit, including automobile batteries group 10, the first water pump 11 and the first radiator 12, the first multi-channel electronic thermostat valve 13, the second multi-channel electronic thermostat valve 14, the first multi-channel electronic thermostat valve 13 Input terminal is connected with the output end all the way of plate heat exchanger 2, and the output of the first multi-channel electronic thermostat valve 13 passes through the One water pump 11 is connected with automobile batteries group 10, and the automobile batteries group 10 is also distinguished by the second multi-channel electronic thermostat valve 14 It is connected with the input terminal all the way of the input terminal of the first radiator 12, plate heat exchanger 2, the output end of first radiator 12 It is connected with the first multi-channel electronic thermostat valve 13, forms battery cooling circuit, the battery cooling circuit is also used to board-like 2 heat supply of heat exchanger forms waste heat recycling.
Preferably, the power assembly cooling circuit unit, including third multi-channel electronic thermostat valve 15, the second water pump 16, the second radiator 17 and power assembly 6, the input terminal and the first multi-channel electronic of the third multi-channel electronic thermostat valve 15 The output end of thermostat valve 13 is connected, and the output end of the third multi-channel electronic thermostat valve 15 passes sequentially through the second radiator 17, the second water pump 16 is connected with power assembly 6, and the power assembly 6 is connected with third multi-channel electronic thermostat valve 15, institute State another input terminal phase that third multi-channel electronic thermostat valve 15 passes through the second multi-channel electronic thermostat valve 14 and plate heat exchanger 2 Connection forms power assembly cooling circuit, and the power assembly cooling circuit is also used to give plate heat exchanger 2 heat supply, more than formation Recuperation of heat.
Preferably, the waste heat recycling, by controlling the first multi-channel electronic thermostat valve 13, the second multi-channel electronic temperature control What the state switching of valve 14, third multi-channel electronic thermostat valve 15 was realized.
Preferably, the waste heat recycling, by controlling the first multi-channel electronic thermostat valve 15, the second multi-channel electronic temperature control What the state switching of valve 16, third multi-channel electronic thermostat valve 17 was realized, user adjusts and corresponds to according to the state of temperature of thermostat valve Thermostat valve is turned on or off, and the circulation purpose recycled to waste heat, those skilled in the art can voluntarily adjust reality as needed Existing, corresponding thermostat valve is turned on or off, the effect recycled to waste heat.
In conclusion the direct pump type heat air conditioning for automobiles system based on the optimization of multi-channel electronic thermostat valve of the utility model System, is provided with battery cooling circuit and power assembly cooling circuit and the first to the 5th circuit, by controlling the first multichannel The state switching of electronic temperature control valve, the second multi-channel electronic thermostat valve, third multi-channel electronic thermostat valve realizes that battery cools back The waste heat of road and power assembly cooling circuit heats plate heat exchanger, increases entire pump type heat automotive air-conditioning system design Reasonability, energy conservation and environmental protection, circulation loop are rationally run, and are had a good application prospect.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope It is defined by the appending claims and its equivalent thereof.

Claims (6)

1. the direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve, it is characterised in that: including electronic pressure Contracting machine (1), plate heat exchanger (2), outdoor condenser (3), HVAC assembly (4), battery cooling circuit unit and power assembly are cold But circuit units,
The motor compressor (1), outdoor condenser (3) are arranged at outside automobile bodies, and HVAC assembly (4) setting exists Inside automobile bodies, the arrival end of the outdoor condenser (3) is connected with the exhaust port side of motor compressor (1),
Plate heat exchanger (2) the automobile bodies front, the plate heat exchanger (2) is interior to be provided with two-way output, exports all the way Interior logical refrigerant leads to refrigerating medium in another output;Output end passes through gas-liquid separator (5) to the plate heat exchanger (2) all the way It is connected with the inlet port of motor compressor (1),
The battery cooling circuit unit is connected with the input all the way of plate heat exchanger (2), output, forms battery and cools back Road;The power assembly cooling circuit unit is connected with the input of the another way of plate heat exchanger (2), output, and it is total to form power At cooling circuit,
The power assembly cooling circuit unit is arranged in car engine cabin, for the cooling of engine and automobile electrically-controlled case,
The output end of the HVAC assembly (4) is connected with gas-liquid separator (5).
2. the direct pump type heat automotive air-conditioning system according to claim 1 based on the optimization of multi-channel electronic thermostat valve, Be characterized in that: the arrival end of the HVAC assembly (4) is connected with the outlet end of outdoor condenser (3), forms the first circuit; The outlet end of the outdoor condenser (3) is also connected with the input all the way of plate heat exchanger (2), forms second servo loop, described First circuit, second servo loop are arranged in parallel;
It is provided with normally open solenoid valve (7) between the motor compressor (1), outdoor condenser (3), forms tertiary circuit;It is described HVAC assembly (4) is connected by the first electric expansion valve (8) with the arrival end of outdoor condenser (3), and the 4th circuit is formed;Institute The exhaust port side for stating motor compressor (1) also passes through normally closed solenoid valve (18) and is connected with HVAC assembly (4), is formed the 5th time Road.
3. the direct pump type heat automotive air-conditioning system according to claim 1 based on the optimization of multi-channel electronic thermostat valve, It is characterized in that: being provided with the second electric expansion valve (9) between the outlet end and plate heat exchanger (2) of the outdoor condenser (3).
4. the direct pump type heat automotive air-conditioning system according to claim 1 based on the optimization of multi-channel electronic thermostat valve, It is characterized in that: the battery cooling circuit unit, including automobile batteries group (10), the first water pump (11) and the first radiator (12), the first multi-channel electronic thermostat valve (13), the second multi-channel electronic thermostat valve (14), the first multi-channel electronic temperature control The input terminal of valve (13) is connected with the output end all the way of plate heat exchanger (2), the first multi-channel electronic thermostat valve (13) Output be connected with automobile batteries group (10) by the first water pump (11), the automobile batteries group (10) is also by the second multi-pass Road electronic temperature control valve (14) is connected with the input terminal all the way of the input terminal of the first radiator (12), plate heat exchanger (2) respectively, The output end of first radiator (12) is connected with the first multi-channel electronic thermostat valve (13), forms battery cooling circuit, The battery cooling circuit is also used to give plate heat exchanger (2) heat supply, forms waste heat recycling.
5. the direct pump type heat automotive air-conditioning system according to claim 4 based on the optimization of multi-channel electronic thermostat valve, Be characterized in that: the power assembly cooling circuit unit, including third multi-channel electronic thermostat valve (15), the second water pump (16), Second radiator (17) and power assembly (6), the input terminal and the first multichannel of the third multi-channel electronic thermostat valve (15) The output end of electronic temperature control valve (13) is connected, and the output end of the third multi-channel electronic thermostat valve (15) passes sequentially through second Radiator (17), the second water pump (16) are connected with power assembly (6), the power assembly (6) and third multi-channel electronic temperature Control valve (15) be connected, the third multi-channel electronic thermostat valve (15) by the second multi-channel electronic thermostat valve (14) with it is board-like Another input terminal of heat exchanger (2) is connected, formed power assembly cooling circuit, the power assembly cooling circuit be also used to Plate heat exchanger (2) heat supply forms waste heat recycling.
6. the direct pump type heat automotive air-conditioning system according to claim 5 based on the optimization of multi-channel electronic thermostat valve, It is characterized in that: the waste heat recycling, by controlling the first multi-channel electronic thermostat valve (13), the second multi-channel electronic thermostat valve (14), the state switching of third multi-channel electronic thermostat valve (15) is realized.
CN201822050213.1U 2018-12-07 2018-12-07 Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve Active CN209552867U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822050213.1U CN209552867U (en) 2018-12-07 2018-12-07 Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822050213.1U CN209552867U (en) 2018-12-07 2018-12-07 Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve

Publications (1)

Publication Number Publication Date
CN209552867U true CN209552867U (en) 2019-10-29

Family

ID=68301383

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822050213.1U Active CN209552867U (en) 2018-12-07 2018-12-07 Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve

Country Status (1)

Country Link
CN (1) CN209552867U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021143125A1 (en) * 2020-01-19 2021-07-22 华为技术有限公司 Thermal management system and electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021143125A1 (en) * 2020-01-19 2021-07-22 华为技术有限公司 Thermal management system and electric vehicle

Similar Documents

Publication Publication Date Title
CN110525169B (en) Integrated passenger cabin heat pump air conditioner and three-electric heating management system for pure electric vehicle
CN109080406B (en) Heat pump vehicle air conditioning system combined with heat management and control method thereof
CN110588280A (en) New energy automobile thermal management system integrating three thermal management functions and waste heat recovery function
CN110497768A (en) The new-energy automobile heat pump air conditioning system of integrated three electric heating management
CN107399221A (en) Thermal management system of electric automobile
CN106585323B (en) Working mode of new energy automobile air conditioning system with quick defrosting and demisting functions
CN105128622A (en) Electric vehicle heat pump air-conditioning system
CN110588279A (en) Whole-vehicle thermal management system with waste heat utilization function for new energy automobile
CN113002269A (en) Whole vehicle thermal management system of hybrid electric vehicle and control method thereof
CN209776090U (en) Air conditioning system of electric automobile
CN103697625A (en) Pure-electric-vehicle heat pump air-conditioning system and control method thereof
CN105408143A (en) Vehicular air conditioning device, and constituent unit thereof
US11747057B2 (en) Heat pump system
CN110254175A (en) A kind of new-energy automobile afterheat recovery type heat pump heat management device
CN110588281A (en) Electric automobile heat pump air conditioning system and electric automobile
CN101545195A (en) Multiple air-conditioned clothes dryer
CN103292510A (en) Automobile air conditioning system
CN109050201B (en) Heat pump type automobile air conditioning system with emergency quick-charging cooling mode
CN103192681B (en) A kind of automotive air-conditioning system
CN209552867U (en) Direct pump type heat automotive air-conditioning system based on the optimization of multi-channel electronic thermostat valve
CN110789290B (en) Air conditioning box of vehicle heat pump system and ventilation strategy thereof
CN209870010U (en) Indirect heat pump type automobile air conditioning system based on optimization of multi-channel electronic temperature control valve
CN214984718U (en) New energy automobile heat rationalization utilizes system
CN211918315U (en) Automobile heat pump air conditioning system capable of dehumidifying simultaneously in heating mode
CN210821745U (en) Waste heat recovery air conditioning system of new energy bus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant