CN208998367U - Electric automobile air conditioner heat pump system and electric car including it - Google Patents

Electric automobile air conditioner heat pump system and electric car including it Download PDF

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Publication number
CN208998367U
CN208998367U CN201821833940.9U CN201821833940U CN208998367U CN 208998367 U CN208998367 U CN 208998367U CN 201821833940 U CN201821833940 U CN 201821833940U CN 208998367 U CN208998367 U CN 208998367U
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China
Prior art keywords
heat exchanger
air conditioner
pump system
automobile air
electric automobile
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CN201821833940.9U
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Chinese (zh)
Inventor
张守信
苏林
刘妮
李康
贾鹏
方奕栋
张华�
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Shanghai Beite Guangyu New Energy Technology Co.,Ltd.
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SHANGHAI BEITE TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a kind of electric automobile air conditioner heat pump system and including its electric car, electric automobile air conditioner heat pump system includes compressor, outdoor heat exchanger, first indoor heat exchanger, second indoor heat exchanger, gas-liquid separator, first heating power expansion valve, second heating power expansion valve, first solenoid valve, second solenoid valve, outdoor heat exchanger fan and indoor heat exchanger air blower, heating circuit and refrigerating circuit are formed in electric automobile air conditioner heat pump system, refrigerating circuit is sequentially communicated motor compressor, first solenoid valve, outdoor heat exchanger, first heating power expansion valve, first indoor heat exchanger, gas-liquid separator;Heating circuit is sequentially communicated motor compressor, the second indoor heat exchanger, the second heating power expansion valve, outdoor heat exchanger, second solenoid valve, gas-liquid separator.The utility model reaches same heating capacity, and the energy of heat pump system consumption is only the half of PTC electric heater, can greatly improve the mileage travelled of electric vehicle.

Description

Electric automobile air conditioner heat pump system and electric car including it
Technical field
The utility model relates to a kind of electric automobile air conditioner heat pump system and including its electric car.
Background technique
Under the dual-pressure of mankind's energy crisis and environmental crisis, energy saving and environment friendly electric car becomes automobile industry Research hotspot.In conventional fuel oil automobile, air conditioning for automobiles compressor in refrigeration utilizes engine in heating by engine driving Waste heat has little effect course continuation mileage.And for pure electric automobile, air conditioning for automobiles compressor in refrigeration is driven by electric energy It is dynamic, PTC electric heater is utilized in heating, and consumption electric energy is more, therefore, electric automobile air-conditioning system continues a journey to electric car The influence of mileage can not be ignored.
Utility model content
To electric car course continuation mileage when the purpose of this utility model is heated for existing electric automobile air-conditioning system The problem of influence, provides a kind of electric automobile air conditioner heat pump system and the electric car including it.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of electric automobile air conditioner heat pump system, it is characterized in that, including compressor, outdoor heat exchanger, the first interior change Hot device, the second indoor heat exchanger, gas-liquid separator, the first heating power expansion valve, the second heating power expansion valve, the first solenoid valve, second Solenoid valve, outdoor heat exchanger fan and indoor heat exchanger air blower are formed with system in the electric automobile air conditioner heat pump system Hot loop and refrigerating circuit,
The refrigerating circuit is sequentially communicated the motor compressor, the first solenoid valve, outdoor heat exchanger, the first thermal expansion Valve, the first indoor heat exchanger, gas-liquid separator and the motor compressor;
The heating circuit is sequentially communicated the motor compressor, the second indoor heat exchanger, the second heating power expansion valve, described Outdoor heat exchanger, second solenoid valve, gas-liquid separator and the motor compressor.
Using the electric car changes in temperature integrated heat pump air-conditioning system of this programme, i.e. air source heat pump technology, become solution The important solutions of electric automobile air-conditioning system weakening course continuation mileage.Heat pump is a kind of based on the energy-efficient of inverse Carnot cycle Device, the draw heat from low level heat energy, and transfer heat to high-order heat source.Automobile heat pump system is empty by conversion automobile Refrigerant operation flow direction in adjusting system, heat absorption and the heat release into crew module from external environment Cryogenic air make empty in crew module The vapor-compression cycle system of gas lift temperature.Electric automobile air conditioner heat pump system realizes heating in crew module, the electric energy of consumption It is only used for the heat " transfer " outside vehicle to car, its usual Energy Efficiency Ratio is higher than 2.0.Reach same heating in principle The energy of amount, heat pump system consumption is only the half of PTC electric heater, i.e., if needing the heating demand of 4000W in crew module Heat, it is only necessary to which the electric energy of consumption about 2000W can greatly improve the mileage travelled of electric vehicle, have to the development of electric car Significance.
Preferably, being formed with defrosting circuit in the electric automobile air conditioner heat pump system, wherein
The defrosting circuit is sequentially communicated the motor compressor, the second indoor heat exchanger, the first solenoid valve, outdoor heat exchange Device, the first heating power expansion valve, the first indoor heat exchanger, gas-liquid separator and the motor compressor.
The Vehicular heat pump system of this programme can avoid windshield fogging while meeting heating demands, eliminate row The security risk of vehicle guarantees the safety driven
Preferably, it is formed with loop dehumidification in the electric automobile air conditioner heat pump system,
The loop dehumidification is sequentially communicated the motor compressor, the second indoor heat exchanger, the second thermal expansion all the way Valve, outdoor heat exchanger, the first heating power expansion valve, the first indoor heat exchanger, gas-liquid separator and the motor compressor;
It is swollen that the another way of the loop dehumidification is sequentially communicated the motor compressor, the second indoor heat exchanger, the second heating power Swollen valve, outdoor heat exchanger, the first solenoid valve, gas-liquid separator and the motor compressor.
Preferably, the electric automobile air conditioner heat pump system further includes electric heater.The electric heater can be used for electricity Supplement heating of the electrical automobile heat pump system under limiting condition.
Preferably, the electric heater is PTC electric heater.
Preferably, the inlet and outlet of the motor compressor are respectively arranged with temperature sensor and pressure sensor;The room The inlet and outlet of external heat exchanger are provided with temperature sensor.
Preferably, the outdoor heat exchanger, the first indoor heat exchanger and the second indoor heat exchanger are aluminum micro-channel Parallel-flow heat exchanger.
Preferably, the motor compressor is totally enclosed type electric scroll compressor.
Preferably, first solenoid valve and second solenoid valve are normally closed solenoid valve.
A kind of electric car, it is characterized in that comprising the electric automobile air conditioner heat pump system.
Compared with prior art, the utility model has the beneficial effects that reach same heating capacity, heat pump system consumption The energy is only the half of PTC electric heater, can greatly improve the mileage travelled of electric vehicle, is had to the development of electric car important Meaning.
Detailed description of the invention
The utility model is described in further detail with embodiment with reference to the accompanying drawing:
Fig. 1 is the electric automobile air conditioner heat pump system structural schematic diagram of the utility model.
Fig. 2 is that the refrigerating circuit of the utility model electric automobile air conditioner heat pump system is connected to schematic diagram.
Fig. 3 is the heating circuit communication schematic diagram of the utility model electric automobile air conditioner heat pump system.
Fig. 4 is the defrosting circuit communication schematic diagram of the utility model electric automobile air conditioner heat pump system.
Fig. 5 is that the loop dehumidification of the utility model electric automobile air conditioner heat pump system is connected to schematic diagram.
Specific embodiment
Embodiment is as shown in Figure 1, it includes electronic that the utility model, which uses the electric automobile air conditioner heat pump system of double by-passing valves, Compressor 1, outdoor heat exchanger 2, the first indoor heat exchanger 3, the second indoor heat exchanger 4, PTC electric heater 5, gas-liquid separator 6, First heating power expansion valve 7, the second heating power expansion valve 8, the first solenoid valve 9, second solenoid valve 10, outdoor heat exchanger fan 11, room Interior heat exchanger air blower 12, pressure sensor 15, temperature sensor 13,14,16,17,18, shut-off valve 19.
In the connection schematic diagram as shown in Fig. 2-Fig. 5, solid line indicates each circuit, and dotted line indicates to disconnect the pipe not being connected to Road.
As shown in Fig. 2, refrigerating circuit is sequentially communicated motor compressor 1, the first solenoid valve 9, the 2, first heat of outdoor heat exchanger Power expansion valve 7, the first indoor heat exchanger 3, gas-liquid separator 6 and motor compressor 1;
The cooling operation mode of this system are as follows: the high temperature and high pressure gaseous refrigerant from motor compressor 1 is by the first electricity Magnet valve 9 enters outdoor heat exchanger 2, is exchanged heat by 2 end of outdoor heat exchanger and condenses the liquid refrigerant as high temperature and pressure, The liquid refrigerant of high temperature and pressure passes through the throttling of the first heating power expansion valve 7, and the gas-liquid two-phase cold-producing medium for becoming low-temp low-pressure is sent Enter the first indoor heat exchanger 3, by exchanging heat in the cold wind of air blower blowout and crew module, achievees the purpose that refrigeration;Then, The gaseous refrigerant for flowing out the low-temp low-pressure of the first indoor heat exchanger 3 returns to motor compressor 1 through gas-liquid separator 6 and is pressed Contracting, restarts refrigeration cycle.
In this system, if being set to the temperature and pressure transmitter of the inlet and outlet of motor compressor 1, it is set to outdoor heat exchanger 2 temperature sensor, the temperature sensor for being set to indoor heat exchanger blower export will be realized certainly more than after setting limit value Dynamic alarm.
As shown in figure 3, heating circuit is sequentially communicated motor compressor 1, the second indoor heat exchanger 4, the second heating power expansion valve 8, outdoor heat exchanger 2, second solenoid valve 10, gas-liquid separator 6 and motor compressor 1.
The heating operation mode of this system are as follows: the high temperature and high pressure gaseous refrigerant from motor compressor 1 enters second Room Interior heat exchanger 4 is reached by exchanging heat in indoor heat exchanger and crew module and condensing the liquid refrigerant as high temperature and pressure The purpose of refrigeration;Then, the liquid refrigerant of high temperature and pressure passes through the throttling of the second heating power expansion valve 8, becomes low-temp low-pressure Gas-liquid two-phase cold-producing medium is sent into outdoor heat exchanger 2, is exchanged heat by 2 end of outdoor heat exchanger with external environment, is changed outside delivery chamber The refrigerant of the low-temp low-pressure of hot device 2 enters gas-liquid separator 6 through second solenoid valve 10, and gas-liquid separator 6 is separated low Warm low-pressure gaseous refrigerant returns to motor compressor 1 and is compressed, and restarts heating circulation.
Using the electric car changes in temperature integrated heat pump air-conditioning system of this programme, i.e. air source heat pump technology, become solution The important solutions of electric automobile air-conditioning system weakening course continuation mileage.Heat pump is a kind of based on the energy-efficient of inverse Carnot cycle Device, the draw heat from low level heat energy, and transfer heat to high-order heat source.Automobile heat pump system is empty by conversion automobile Refrigerant operation flow direction in adjusting system, heat absorption and the heat release into crew module from external environment Cryogenic air make empty in crew module The vapor-compression cycle system of gas lift temperature.Electric automobile air conditioner heat pump system realizes heating in crew module, the electric energy of consumption It is only used for the heat " transfer " outside vehicle to car, its usual Energy Efficiency Ratio is higher than 2.0.Reach same heating in principle The energy of amount, heat pump system consumption is only the half of PTC electric heater 5, i.e., if needing the heating demand of 4000W in crew module Heat, it is only necessary to which the electric energy of consumption about 2000W can greatly improve the mileage travelled of electric vehicle, have to the development of electric car Significance.
As shown in figure 4, being formed with defrosting circuit in electric automobile air conditioner heat pump system, wherein defrosting circuit is sequentially communicated Motor compressor 1, the second indoor heat exchanger 4, the first solenoid valve 9, outdoor heat exchanger 2, the first heating power expansion valve 7, first are indoor Heat exchanger 3, gas-liquid separator 6 and motor compressor 1.
The Defrost operation mode of this system are as follows: the high temperature and high pressure gaseous refrigerant from motor compressor 1 enters second Room Interior heat exchanger 4, by exchanging heat in indoor heat exchanger and crew module and condensing the liquid refrigerant as high temperature and pressure, so Afterwards, the liquid refrigerant of high temperature and pressure enters outdoor heat exchanger 2 by the first solenoid valve 9, achievees the purpose that defrosting;Then, it flows Throttling of the liquid refrigerant of the high temperature and pressure of outdoor heat exchanger 2 through the first heating power expansion valve 7 out, becomes the gas-liquid of low-temp low-pressure Two phase refrigerant enters the first indoor heat exchanger 3, flows out the gaseous refrigerant of the low-temp low-pressure of the first indoor heat exchanger 3 through gas-liquid Separator 6 returns to motor compressor 1 and is compressed, and restarts the circulation that defrosts or heat.
The Vehicular heat pump system of this programme can avoid windshield fogging while meeting heating demands, eliminate row The security risk of vehicle guarantees the safety driven.
As shown in figure 5, loop dehumidification is sequentially communicated motor compressor 1, the second indoor heat exchanger 4, the second heating power all the way Expansion valve 8, outdoor heat exchanger 2, the first heating power expansion valve 7, the first indoor heat exchanger 3, gas-liquid separator 6 and motor compressor 1;
The another way of loop dehumidification be sequentially communicated motor compressor 1, the second indoor heat exchanger 4, the second heating power expansion valve 8, Outdoor heat exchanger 2, the first solenoid valve 9, gas-liquid separator 6 and motor compressor 1.
The dehumidification operating mode of this system are as follows: the high temperature and high pressure gaseous refrigerant from motor compressor 1 enters second Room Interior heat exchanger 4, by exchanging heat in indoor heat exchanger and crew module and condensing the liquid refrigerant as high temperature and pressure, so Afterwards, the liquid refrigerant of high temperature and pressure enters outdoor heat exchanger 2 and the first indoor heat exchanger 3 by the second heating power expansion valve 8, reaches To the purpose of dehumidifying;Then, the liquid refrigerant of the low-temp low-pressure of outdoor heat exchanger 2 and the first indoor heat exchanger 3 is flowed out through gas Liquid/gas separator 6 returns to motor compressor 1 and is compressed, and restarts the circulation that dehumidifies or heat.
In the present embodiment, electric automobile air conditioner heat pump system further includes electric heater.Electric heater can be used for electronic vapour Supplement heating of the vehicle heat pump system under limiting condition.
In the present embodiment, electric heater is PTC electric heater 9.
In the present embodiment, the inlet and outlet of motor compressor 1 are respectively arranged with temperature sensor and pressure sensor;Outdoor is changed The inlet and outlet of hot device 2 are provided with temperature sensor.
In the present embodiment, outdoor heat exchanger 2, the first indoor heat exchanger 3 and the second indoor heat exchanger 4 are that aluminum is micro- Channel parallel-flow heat exchanger.
In the present embodiment, motor compressor 1 is totally enclosed type electric scroll compressor.
In the present embodiment, the first solenoid valve 9 and second solenoid valve 10 are normally closed solenoid valve.
It further include a kind of electric car in the present embodiment comprising electric automobile air conditioner heat pump system.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model The protection scope that benefit requires.

Claims (10)

1. a kind of electric automobile air conditioner heat pump system, which is characterized in that including compressor, outdoor heat exchanger, the first indoor heat exchange Device, the second indoor heat exchanger, gas-liquid separator, the first heating power expansion valve, the second heating power expansion valve, the first solenoid valve, the second electricity Magnet valve, outdoor heat exchanger fan and indoor heat exchanger air blower are formed with heating in the electric automobile air conditioner heat pump system Circuit and refrigerating circuit,
The refrigerating circuit be sequentially communicated the motor compressor, the first solenoid valve, outdoor heat exchanger, the first heating power expansion valve, First indoor heat exchanger, gas-liquid separator and the motor compressor;
The heating circuit is sequentially communicated the motor compressor, the second indoor heat exchanger, the second heating power expansion valve, the outdoor Heat exchanger, second solenoid valve, gas-liquid separator and the motor compressor.
2. electric automobile air conditioner heat pump system as described in claim 1, which is characterized in that electric automobile air conditioner heat pump system Defrosting circuit is formed in system, wherein
The defrosting circuit be sequentially communicated the motor compressor, the second indoor heat exchanger, the first solenoid valve, outdoor heat exchanger, First heating power expansion valve, the first indoor heat exchanger, gas-liquid separator and the motor compressor.
3. electric automobile air conditioner heat pump system as claimed in claim 1 or 2, which is characterized in that the electric automobile air conditioner heat Loop dehumidification is formed in pumping system,
The loop dehumidification is sequentially communicated the motor compressor, the second indoor heat exchanger, the second heating power expansion valve, room all the way External heat exchanger, the first heating power expansion valve, the first indoor heat exchanger, gas-liquid separator and the motor compressor;
The another way of the loop dehumidification be sequentially communicated the motor compressor, the second indoor heat exchanger, the second heating power expansion valve, Outdoor heat exchanger, the first solenoid valve, gas-liquid separator and the motor compressor.
4. electric automobile air conditioner heat pump system as described in claim 1, which is characterized in that electric automobile air conditioner heat pump system System further includes electric heater.
5. electric automobile air conditioner heat pump system as claimed in claim 4, which is characterized in that the electric heater is that PTC electricity adds Hot device.
6. electric automobile air conditioner heat pump system as described in claim 1, which is characterized in that the inlet and outlet of the motor compressor It is respectively arranged with temperature sensor and pressure sensor;The inlet and outlet of the outdoor heat exchanger are provided with temperature sensor.
7. electric automobile air conditioner heat pump system as described in claim 1, which is characterized in that the outdoor heat exchanger, the first Room Interior heat exchanger and the second indoor heat exchanger are aluminum micro-channel parallel-flow heat exchanger.
8. electric automobile air conditioner heat pump system as described in claim 1, which is characterized in that the motor compressor is totally-enclosed Formula electric scroll compressor.
9. electric automobile air conditioner heat pump system as described in claim 1, which is characterized in that first solenoid valve and the second electricity Magnet valve is normally closed solenoid valve.
10. a kind of electric car, which is characterized in that it includes electric automobile air conditioner as described in any one of claims 1-9 Heat pump system.
CN201821833940.9U 2018-11-08 2018-11-08 Electric automobile air conditioner heat pump system and electric car including it Active CN208998367U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821833940.9U CN208998367U (en) 2018-11-08 2018-11-08 Electric automobile air conditioner heat pump system and electric car including it

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Application Number Priority Date Filing Date Title
CN201821833940.9U CN208998367U (en) 2018-11-08 2018-11-08 Electric automobile air conditioner heat pump system and electric car including it

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269135A (en) * 2018-11-08 2019-01-25 上海北特科技股份有限公司 Electric automobile air conditioner heat pump system and electric car including it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269135A (en) * 2018-11-08 2019-01-25 上海北特科技股份有限公司 Electric automobile air conditioner heat pump system and electric car including it

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200612

Address after: 201815 No. 220, new Dian Road, North Development Zone, Jiading District, Shanghai

Patentee after: SHANGHAI GUANGYU AUTOMOBILE AIR CONDITIONING COMPRESSOR Co.,Ltd.

Address before: 201816, No. 2488, Gao Shi Road, Huating Town, Shanghai, Jiading District

Patentee before: SHANGHAI BEITE TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address

Address after: No. 1388 Xingwen Road, Jiading District, Shanghai, July 2018

Patentee after: Shanghai Beite Guangyu New Energy Technology Co.,Ltd.

Country or region after: China

Address before: No. 220 Xindian Road, North Development Zone, Jiading District, Shanghai

Patentee before: Shanghai Guangyu Automobile Air Conditioning Compressor Co.,Ltd.

Country or region before: China