CN109269135A - 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 PDFInfo
- Publication number
- CN109269135A CN109269135A CN201811323875.XA CN201811323875A CN109269135A CN 109269135 A CN109269135 A CN 109269135A CN 201811323875 A CN201811323875 A CN 201811323875A CN 109269135 A CN109269135 A CN 109269135A
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- Prior art keywords
- heat exchanger
- air conditioner
- pump system
- automobile air
- electric automobile
- Prior art date
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- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000007791 dehumidification Methods 0.000 claims description 10
- 238000010257 thawing Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 description 21
- 238000004378 air conditioning Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/053—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/009—Compression machines, plants or systems with reversible cycle not otherwise provided for indoor unit in circulation with outdoor unit in first operation mode, indoor unit in circulation with an other heat exchanger in second operation mode or outdoor unit in circulation with an other heat exchanger in third operation mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2103—Temperatures near a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention 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 present invention 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
Technical field
The present invention 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.
Summary of the invention
Influence when the purpose of the present invention is for the heating of existing electric automobile air-conditioning system to electric car course continuation mileage
The problem of, a kind of electric automobile air conditioner heat pump system and the electric car including it are provided.
In order to solve the above-mentioned technical problem, the present invention is achieved by 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 beneficial effects of the present invention are: reaching same heating capacity, the energy of heat pump system consumption
The only half of PTC electric heater can greatly improve the mileage travelled of electric vehicle, have important meaning to the development of electric car
Justice.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
Fig. 1 is electric automobile air conditioner heat pump system structural schematic diagram of the invention.
Fig. 2 is that the refrigerating circuit of electric automobile air conditioner heat pump system of the present invention is connected to schematic diagram.
Fig. 3 is the heating circuit communication schematic diagram of electric automobile air conditioner heat pump system of the present invention.
Fig. 4 is the defrosting circuit communication schematic diagram of electric automobile air conditioner heat pump system of the present invention.
Fig. 5 is that the loop dehumidification of electric automobile air conditioner heat pump system of the present invention is connected to schematic diagram.
Specific embodiment
Embodiment is as shown in Figure 1, it includes electric compressor that the present invention, which uses the electric automobile air conditioner heat pump system of double by-passing valves,
Machine 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, interior are changed
Hot device 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 present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323875.XA CN109269135A (en) | 2018-11-08 | 2018-11-08 | Electric automobile air conditioner heat pump system and electric car including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811323875.XA CN109269135A (en) | 2018-11-08 | 2018-11-08 | Electric automobile air conditioner heat pump system and electric car including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109269135A true CN109269135A (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811323875.XA Pending CN109269135A (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 (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910547A (en) * | 2019-03-29 | 2019-06-21 | 上海理工大学 | With the electric vehicle heat pump system air-conditioning box assembly for simplifying air-conditioning box runner |
| CN110027386A (en) * | 2019-05-07 | 2019-07-19 | 上海理工大学 | Entire new energy automobile heat management system |
| CN110103665A (en) * | 2019-05-07 | 2019-08-09 | 上海理工大学 | The new-energy automobile heat pump air conditioning system of charged pool and electric control heat management |
| CN110182018A (en) * | 2019-05-23 | 2019-08-30 | 上海理工大学 | A kind of thermal management system of whole |
| CN110816206A (en) * | 2019-10-23 | 2020-02-21 | 上海理工大学 | Electric automobile air conditioner heat pump system with flasher and parallel loop |
| CN112406468A (en) * | 2020-11-22 | 2021-02-26 | 同济大学 | Electric parking heat pump air conditioning system suitable for severe cold area |
| CN113071289A (en) * | 2021-04-28 | 2021-07-06 | 蔚来汽车科技(安徽)有限公司 | Electric automobile cabin heating system and control method thereof |
| CN113829840A (en) * | 2021-11-09 | 2021-12-24 | 上海光裕汽车空调压缩机有限公司 | Air-conditioning heat pump system of electric automobile and temperature control method |
| CN114056040A (en) * | 2021-11-09 | 2022-02-18 | 上海光裕汽车空调压缩机有限公司 | Air-conditioning heat pump system of electric automobile and temperature control method |
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