CN108482064A - Used in new energy vehicles integrates crew module's air-conditioning and battery pack heat management heat pump system - Google Patents
Used in new energy vehicles integrates crew module's air-conditioning and battery pack heat management heat pump system Download PDFInfo
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- CN108482064A CN108482064A CN201810347131.5A CN201810347131A CN108482064A CN 108482064 A CN108482064 A CN 108482064A CN 201810347131 A CN201810347131 A CN 201810347131A CN 108482064 A CN108482064 A CN 108482064A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
-
- 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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3223—Cooling devices using compression characterised by the arrangement or type of the compressor
-
- 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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3227—Cooling devices using compression characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Used in new energy vehicles of the present invention integrates crew module's air-conditioning and battery pack heat management heat pump system, contain motor compressor, water-cooled condenser, electric expansion valve, solenoid valve, outdoor heat exchanger, liquid-gas separator, electromagnetic expanding valve, interior evaporator, water heating type car heater cores, 5KW water heating type electric heaters, electronic water pump, composite heat-exchanger and battery pack, the refrigerant side circuit of crew module's refrigeration and battery refrigerating mode can be formed, the refrigerant side circuit of battery coolant liquid side loop and crew module heating and battery-heated model, the coolant liquid side loop of crew module's heating and a series of individual refrigeration or heating circuit；New-energy automobile is set to meet the requirement that crew module's refrigeration, heating and dehumidifying and battery pack cool and heat under various environment temperatures as defined in various standards, also have the function of that battery pack preheating and crew module preheat precooling, the heat management problems for solving crew module and battery pack contribute to the development of China's new-energy automobile.
Description
Technical field
The invention belongs to used in new energy vehicles heat pump air conditioner and battery pack thermal management technology field, particularly used in new energy vehicles
Integrated crew module's air-conditioning and battery pack heat management heat pump system.
Background technology
Due to factors such as petroleum resources shortage and environmental protections, countries in the world government and automobile manufacturing enterprise are all energetically
Promote new-energy automobile.And developing new-energy automobile, power battery is the most important thing of three electric systems of new energy vehicle.Currently,
Ternary lithium battery is because of the power battery that energy density height is that generally acknowledged suitable new-energy automobile uses.But ternary lithium battery pair
Therefore very temperature sensitive is paid much attention to the heat management of new-energy automobile by everybody.Further, since new energy electric motor vehicle
And there is no this heat source of conventional engines, the heating of new-energy automobile crew module to become one under the mixed pure electric driving mode of motor-car yet
A more prominent problem.
New-energy automobile generally uses the heat pump air conditioning system of three heat exchanger frameworks at present.The heat of the three heat exchangers framework
Pump air conditioner system refers to：It is replaced with an indoor heat exchanger and indoor heat exchanger is subjected to interior heating as condenser
Air-conditioning system.Since the indoor heat exchanger of the heat pump air conditioner of three heat exchanger frameworks occupies the position and space of former warm air system,
Therefore its appearance and size is typically small, and heat exchange area is also smaller.In addition, HVAC air-out volumes are also smaller under its heating mode,
Thus heating capacity is also limited.If increasing the size of indoor heat exchanger, the HVAC to be re-started that is bound to is designed and is thrown again
Enter mold, in this way, not only increasing the development time, but also increases production cost.On the other hand, the heat of three current heat exchanger frameworks
Pump air conditioner system is not met by GB/T 24552-2009《The performance requirement of electric vehicle windscreen defrosting-defogging system and
Test method》It should be about the environment temperature of defrosting -18 DEG C ± 3 DEG C of regulation in standard.
Power cells for new energy vehicles is usually ternary lithium battery.The ternary lithium battery pack is more sensitive to temperature, must
Heat management need be carried out to it.The liquid cooling side that heat management more generally uses Chiller is carried out to ternary lithium battery at present
Formula cools down battery pack, is heated to battery pack by the way of water heating type electrical heating (Water-PTC).And
The liquid cooling mode of Chiller only works when cooling battery pack, when being heated to battery pack with water heating type electrical heating,
Chiller is not involved in cycle.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art, under electric vehicle and the pure power mode of mixed motor-car because lacking
Few this heat source of engine, it is the more prominent situation of the heating problem in winter, electric with ternary lithium for electric vehicle and mixed motor-car
Chi Bao is more sensitive to temperature, it is necessary to the case where heat management is carried out to it, provide a kind of used in new energy vehicles integrate crew module's air-conditioning and
Battery pack heat management heat pump system, it both can be suitably used for the refrigeration of crew module under various environment temperatures as defined in various standards, system
The requirement of heat and dehumidifying, but the battery pack that can be suitably used under various environment temperatures as defined in various standards cools and heats, and helps
In the development of China's new-energy automobile.
For the purpose for realizing above-mentioned, present invention employs following technical schemes.
A kind of used in new energy vehicles integrates crew module's air-conditioning and battery pack heat management heat pump system, which is characterized in that contains electricity
Dynamic compressor, water-cooled condenser, electric expansion valve, the first solenoid valve, second solenoid valve, third solenoid valve, outdoor heat exchanger, liquid
Gas separating device, the first electromagnetic expanding valve, the second electromagnetic expanding valve, interior evaporator, interior heater cores, the first water valve, second
Water valve, electric heater, the first electronic water pump, the second electronic water pump, the first kettle, the second kettle, composite heat-exchanger and battery pack,
The car heater cores use water heating type car heater cores；The electric heater uses 5KW water heating type electric heaters；
The motor compressor is connect by pipeline and second solenoid valve with outdoor heat exchanger, and the first electricity of connection is then proceeded to
Magnetic expansion valve → car evaporator, then return to the motor compressor, at the same time, the electricity through three-way pipe and liquid-gas separator
Dynamic compressor is connect by pipeline and second solenoid valve with outdoor heat exchanger, then proceedes to connect the second electromagnetic expanding valve → compound
Heat exchanger, then the motor compressor is returned through three-way pipe and liquid-gas separator, form crew module's refrigeration and battery refrigerating mode
The circuit of refrigerant side；Meanwhile the composite heat-exchanger is connect by pipeline and the second electronic water pump with the second kettle, then after
The composite heat-exchanger is returned after continuous connection battery pack, forms the circuit of battery cooling coolant liquid side；
The motor compressor is connect by pipeline and water-cooled condenser with electric expansion valve, then proceedes to change outside junction chamber
Hot device → third solenoid valve, then the motor compressor is returned through liquid-gas separator, form crew module's heating and battery heated mould
The refrigerant side circuit of formula；At the same time, the water-cooled condenser is connect by pipeline and the first kettle with the first electronic water pump,
Connection electric heater → first water valve → car heater cores are then proceeded to, the water-cooled condenser, formation are returned through three-way pipe
The coolant liquid side loop of crew module's heating；At the same time, the water-cooled condenser passes through pipeline and the first kettle and the first electronics
Water pump connects, and then proceedes to connection electric heater → second water valve → composite heat-exchanger, and returning to the water cooling through three-way pipe condenses
Device forms battery pack heated cooling fluid side loop I；Meanwhile the composite heat-exchanger passes through pipeline and the second electronic water pump and
Two kettles connect, and the composite heat-exchanger is returned after then proceeding to connection battery pack packet, form battery pack heated cooling fluid side and return
Road II.
Further, the motor compressor is connect by pipeline with second solenoid valve, then proceedes to connection outdoor heat exchanger
→ the first electromagnetic expanding valve → car evaporator, then motor compressor is returned through three-way pipe and liquid-gas separator, form crew module
Separate refrigeration or pre- cold loop.
Further, the motor compressor is connect by pipeline with water-cooled condenser, then proceedes to connection electric expansion valve
→ outdoor heat exchanger → third solenoid valve, then motor compressor is returned through liquid-gas separator, form crew module's individually heating or pre-
The circuit of heat pattern refrigerant side；Meanwhile the water-cooled condenser is connect by pipeline with the first kettle, and connection is then proceeded to
The water valve of one electronic water pump → electric heater → first → car heater cores, then water-cooled condenser is returned through three-way pipe, formation multiplies
Member's shipping bill solely heats or the circuit of preheating mode coolant liquid side.
Further, the motor compressor is connect by pipeline with water-cooled condenser, then proceedes to the first solenoid valve of connection
The electromagnetic expanding valve of → outdoor heat exchanger → first → car evaporator, then motor compressor is returned through liquid-gas separator, formation multiplies
Member cabin dehumidification mode refrigerant side circuit；Meanwhile the water-cooled condenser is connect by pipeline with the first kettle, the company of then proceeding to
The water valve of the first electronic water pump → electric heater → first → car heater cores are connect, then water-cooled condenser, shape are returned through three-way pipe
At crew module's dehumidification mode coolant liquid side loop.
Further, the motor compressor is connect by pipeline and second solenoid valve with outdoor heat exchanger, the company of then proceeding to
The second electromagnetic expanding valve → composite heat-exchanger is connect, then motor compressor is returned through three-way pipe and liquid-gas separator, forms battery list
Only refrigerating mode refrigerant side circuit；Meanwhile the composite heat-exchanger is connect by pipeline with the second electronic water pump, is then proceeded to
Composite heat-exchanger is returned after connecting the second kettle → battery pack packet, battery pack battery independent refrigerating mode coolant liquid side is formed and returns
Road.
Further, the motor compressor is connect by pipeline with water-cooled condenser, then proceedes to connection electric expansion valve
→ outdoor heat exchanger → third solenoid valve, then motor compressor is returned through liquid-gas separator, it forms battery pack battery and individually heats
Or preheating mode refrigerant side circuit；At the same time, the water-cooled condenser passes through pipeline and the first kettle and the first electronic water
Pump connection, then proceedes to connection electric heater → second water valve → composite heat-exchanger, and the water-cooled condenser is returned through three-way pipe,
Form the cold independent heating of battery pack or preheating mode but liquid side loop I；Meanwhile the composite heat-exchanger passes through pipeline and the second electricity
The connection of sub- water pump returns to composite heat-exchanger after then proceeding to connection the second kettle → battery pack, formed battery pack individually heating or
Preheating mode coolant liquid side loop II.
Further, the motor compressor is connect by pipeline with water-cooled condenser, then proceedes to the first solenoid valve of connection
→ outdoor heat exchanger → the second electromagnetic expanding valve → composite heat-exchanger, then return to electric compressor through three-way pipe and liquid-gas separator
Machine forms crew module's heating and battery refrigerating mode refrigerant side circuit；At the same time, the water-cooled condenser by pipeline with
First kettle connects, and then proceedes to connection the first electronic water pump → electric heater → first water valve → car heater cores, then pass through
Three-way pipe returns to water-cooled condenser, forms crew module and heats coolant liquid side loop；And the composite heat-exchanger passes through pipeline and
Two electronic water pumps connect, and composite heat-exchanger is returned after then proceeding to connection the second kettle → battery pack, and it is cold to form battery pack cooling
But liquid side loop.
Further, the motor compressor is connect by pipeline with water-cooled condenser, then proceedes to the first solenoid valve of connection
The electromagnetic expanding valve of → outdoor heat exchanger → first → car evaporator returns to motor compressor through three-way pipe and liquid-gas separator,
Meanwhile the motor compressor is connect by pipeline with water-cooled condenser, and connection the first solenoid valve → outdoor heat exchange is then proceeded to
Device → three-way pipe and the second electromagnetic expanding valve → composite heat-exchanger, then motor compressor is returned through three-way pipe and liquid-gas separator,
Form crew module's dehumidifying and battery refrigerating mode refrigerant side circuit；At the same time, the water-cooled condenser passes through pipeline and
One kettle connects, and connection the first electronic water pump → electric heater → first water valve → car heater cores is then proceeded to, through threeway
Pipe returns to water-cooled condenser, forms crew module's dehumidification cooling liquid side loop；And the composite heat-exchanger passes through pipeline and the second electricity
Sub- water pump connection, composite heat-exchanger is returned after then proceeding to connection the second kettle → battery pack, is formed battery pack and is cooled down coolant liquid
The circuit of side.
Further, the motor compressor is connect by pipeline with water-cooled condenser, then proceedes to the first solenoid valve of connection
The electromagnetic expanding valve of → outdoor heat exchanger → first → car evaporator returns to motor compressor through three-way pipe and liquid-gas separator,
Form crew module's dehumidifying and battery-heated model refrigerant side circuit；At the same time, the water-cooled condenser passes through pipeline and
One kettle connects, and connection the first electronic water pump → electric heater → first water valve → car heater cores is then proceeded to, through threeway
Pipe returns to water-cooled condenser, forms crew module's dehumidification cooling liquid side loop；The water-cooled condenser passes through pipeline and the first kettle
Connection, then proceedes to connection the first electronic water pump → electric heater → second water valve → composite heat-exchanger, and water is returned through three-way pipe
Cool condenser forms battery pack battery heated cooling fluid side loop I；And the composite heat-exchanger passes through pipeline and the second electronic water
Pump connection returns to composite heat-exchanger after then proceeding to connection the second kettle → battery pack, forms battery pack battery heated cooling fluid
Side loop II.
Used in new energy vehicles of the present invention integrates crew module's air-conditioning and the good effect of battery pack heat management heat pump system：
It can make new-energy automobile that can meet crew module's refrigeration under various environment temperatures as defined in various standards, heat and remove
Wet requirement, and can make what new-energy automobile met that battery pack under various environment temperatures as defined in various standards cools and heats to want
It asks, while having both crew module's preheating of battery pack preheating and charging process before charging, precooling function, efficiently solve and multiply
The heat management problems in member cabin and battery pack, contribute to the development of China's new-energy automobile.
Description of the drawings
Fig. 1 is the structural representation that used in new energy vehicles of the present invention integrates crew module's air-conditioning and battery pack heat management heat pump system
Figure.
Label in figure is respectively：
1, motor compressor；2, water-cooled condenser；
3, electric expansion valve；301, the first solenoid valve；
302, second solenoid valve；303, third solenoid valve；
4, outdoor heat exchanger；5, liquid-gas separator；
601, the first electromagnetic expanding valve；602, the second electromagnetic expanding valve；
7, interior evaporator；8, interior heater cores；
901, the first water valve；902, the second water valve；
10, electric heater；1101, the first electronic water pump；
1102, the second electronic water pump；1201, the first kettle；
1202, the second kettle；13, composite heat-exchanger；
14, battery pack.
Specific implementation mode
Used in new energy vehicles of the present invention, which is provided, below in conjunction with attached drawing integrates crew module's air-conditioning and battery pack heat management heat pump system
Specific implementation mode.It should be noted that the implementation embodiment not limited to the following of the present invention.
Referring to Fig. 1.A kind of used in new energy vehicles integrates crew module's air-conditioning and battery pack heat management heat pump system, contains electronic pressure
Contracting machine 1, water-cooled condenser 2, electric expansion valve 3, the first solenoid valve 301, second solenoid valve 302, third solenoid valve 303, outdoor
Heat exchanger 4, liquid-gas separator 5, the first electromagnetic expanding valve 601, the second electromagnetic expanding valve 602, interior evaporator 7, interior warm wind
Core 8, the first water valve 901, the second water valve 902, electric heater 10, the first electronic water pump 1101, the second electronic water pump 1102,
One kettle 1201, the second kettle 1202, composite heat-exchanger 13 and battery pack 14.
The car heater cores 8 are using water heating type car heater cores 8.
The electric heater 10 is using 5KW water heating types electric heater 10.
The motor compressor 1 is connect by pipeline and second solenoid valve 302 with outdoor heat exchanger 4, the company of then proceeding to
The first electromagnetic expanding valve 601 and interior evaporator 7 are connect, then the motor compressor 1 is returned through liquid-gas separator 5, forms cooling
Crew module's refrigeration cycle of liquid side.In addition, the motor compressor 1 is passed through pipeline and second solenoid valve 302 and outdoor heat exchange
Device 4 connects, and then proceedes to second 602 → composite heat-exchanger of electromagnetic expanding valve 13 of connection, then return to the electricity through liquid-gas separator 5
Dynamic compressor 1, meanwhile, the composite heat-exchanger 13 is connected by pipeline and the second electronic water pump 1102 with the second kettle 1202
It connects, then returns to the composite heat-exchanger 13 through battery pack 14, form the circuit of battery pack refrigerating mode coolant liquid side；I.e.：From
The high-temperature high-pressure refrigerant that motor compressor 1 comes out is liquefied by entering outdoor heat exchanger 4 after solenoid valve, is then passed through respectively again
The first electromagnetic expanding valve 601 and interior evaporator 7, the second electromagnetic expanding valve 602 and composite heat-exchanger 13 of HVAC, then pass through three
Siphunculus imports in liquid-gas separator 5, eventually passes back to the air entry of motor compressor 1.The interior evaporator 7 of HVAC realizes crew module
Refrigeration, composite heat-exchanger 13 cools down the coolant liquid in battery pack 14 circuit, and the coolant liquid after being cooled is through the second electronic water pump
1102 are sent to the cooling that battery pack 14 realizes battery pack.
The motor compressor 1 is connect by pipeline and water-cooled condenser 2 with electric expansion valve 3, then proceedes to connect
4 → third of outdoor heat exchanger solenoid valve 303 returns to the motor compressor 1 through liquid-gas separator 5, formed crew module's heating and
Battery pack heating mode refrigerant side circuit.At the same time, by the water-cooled condenser 2 by pipeline and the first kettle 1201 with
First electronic water pump 1101 connects, and then proceedes to 10 → the first 901 → car of water valve heater cores 8 of connection electric heater, through three
Siphunculus returns to the water-cooled condenser 2, forms crew module and heats coolant liquid side loop.By the water-cooled condenser 2 and the first water
Pot 1201 connects, and then proceedes to first 1101 → electric heater of electronic water pump 10 of connection and three-way pipe → the second water valve 902 → and answers
Heat exchanger 13 is closed, then water-cooled condenser 2 is returned to through three-way pipe, forms battery pack heated cooling fluid side loop I.At the same time, will
The composite heat-exchanger 13 is connect by pipeline and the second electronic water pump 1102 with the second kettle 1202, is then returned through battery pack 14
The composite heat-exchanger 13 is returned, battery pack heated cooling fluid side loop II is formed.That is, the high temperature come out from motor compressor 1 is high
Compression refrigerant enters outdoor heat exchanger 4 by water-cooled condenser 2, using electric expansion valve 3, then passes through 303 He of solenoid valve
Liquid-gas separator 5 returns to 1 air entry of motor compressor.High temperature refrigerant heating HVAC heater cores 8 in water-cooled condenser 2 follow
In loop back path and 13 circulation loop of composite heat-exchanger in coolant liquid, the coolant liquid heated by the first electronic water pump 1101 into
Enter and recycled in the interior heater cores 8 of HVAC, to realize the heating in crew module；In composite heat-exchanger 13 temperature of side compared with
Coolant liquid in high coolant liquid heating 14 circulation loop of other side battery pack, battery is sent to by the second electronic water pump 1102
The heating of battery pack is carried out in packet 14.
The motor compressor 1 is connect by pipeline with second solenoid valve 302, connection outdoor heat exchanger 4 is then proceeded to
→ the first electromagnetic expanding valve 601 → car evaporator 7, then motor compressor 1 is returned through three-way pipe and liquid-gas separator 5, it is formed
Crew module's separate refrigeration or pre- cold loop, i.e., the high-temperature high-pressure refrigerant come out from motor compressor 1 pass through second solenoid valve
302, which enter outdoor heat exchanger 4, liquefies, and is then entered in 7 core of interior evaporator of HVAC by the first electromagnetic expanding valve 601 again
It is evaporated, finally returns to 1 air entry of motor compressor using liquid-gas separator 5, so cycle carries out the refrigeration of crew module
Or precooling.
The motor compressor 1 is connect by pipeline with water-cooled condenser 2, then proceed to connection electric expansion valve 3 →
4 → third of outdoor heat exchanger solenoid valve 303, then motor compressor 1 is returned through liquid-gas separator 5, it forms crew module and individually heats
Or preheating mode refrigerant side circuit.At the same time, the water-cooled condenser 2 is connect by pipeline with the first kettle 1201,
First 1101 → electric heater of electronic water pump of connection, 10 → the first water valve 901 → car heater cores 8 are then proceeded to, then through threeway
Pipe returns to water-cooled condenser 2, forms crew module individually heating or preheating mode coolant liquid side loop；Go out from motor compressor 1
The high-temperature high-pressure refrigerant come enters outdoor heat exchanger 4 by water-cooled condenser 2 using electric expansion valve 3, at this point, outdoor is changed
Hot device 4 is used as evaporator, finally, then through third solenoid valve 303 and liquid-gas separator 5 returns to 1 air entry of motor compressor.
I.e.：The coolant liquid in high temperature refrigerant heating HVAC heater cores circulation loops in water-cooled condenser 2, the coolant liquid heated
Entered by electronic water pump in the heater cores of HVAC and recycled, to realize the heating of crew module.When the temperature of the surroundings is low, it is
Meet the heating needs of crew module, 5KW water heating types electric heater 10 needs to intervene work, common heated cooling fluid.When environment temperature
When degree is especially low, such as at -10 DEG C or less, rely primarily on 10 heated cooling fluid of 5KW water heating types electric heater progress crew module's
Heating.
The motor compressor 1 is connect by pipeline with water-cooled condenser 2, then proceed to connection electric expansion valve 3 or
First 301 → outdoor heat exchanger of solenoid valve, 4 → the first electromagnetic expanding valve 601 → car evaporator 7, then through three-way pipe and liquid qi leel
Motor compressor 1 is returned from device 5, forms crew module's dehumidification mode refrigerant side circuit；At the same time, by the water-cooled condenser
2 are connect by pipeline with the first kettle 1201, and connection first 1101 → electric heater of electronic water pump, 10 → the first water is then proceeded to
Valve 901 → car heater cores 8, then water-cooled condenser 2 is returned through three-way pipe, it forms crew module's dehumidification mode coolant liquid side and returns
Road；The high-temperature high-pressure refrigerant come out from motor compressor 1 is by water-cooled condenser 2 using electric expansion valve 3 or the
One solenoid valve 301 enters outdoor heat exchanger 4, then again by the first electromagnetic expanding valve 601 of HVAC and interior evaporator 7, most
Afterwards 1 air entry of motor compressor is returned to using liquid-gas separator 5.High temperature refrigerant heating HVAC in water-cooled condenser 2 is warm
Coolant liquid in 8 circulation loop of wind core, the coolant liquid heated, which is entered by electronic water pump in the heater cores 8 of HVAC, to be followed
Ring realizes dehumidification function to realize that the air cooled down by evaporator core in HVAC is heated by the heater cores of HVAC again.
The motor compressor 1 is connect by pipeline and second solenoid valve 302 with outdoor heat exchanger 4, the company of then proceeding to
Second 602 → composite heat-exchanger of electromagnetic expanding valve 13 is connect, motor compressor 1 is returned through three-way pipe and liquid-gas separator 5, forms electricity
Chi Bao independent refrigerating mode refrigerant sides circuit.At the same time, the composite heat-exchanger 13 is passed through into pipeline and the second electronic water
1102 connection of pump, then proceedes to second 1202 → battery pack of kettle 14 of connection, returns to composite heat-exchanger 13, it is independent to form battery pack
Refrigerating mode coolant liquid side loop；The high-temperature high-pressure refrigerant come out from motor compressor 1 flows into outdoor by solenoid valve 301
Then heat exchanger 4 again passes through electromagnetic expanding valve 602 and composite heat-exchanger 13, finally return to electric compressor by liquid-gas separator 5
1 air entry of machine.By the coolant liquid in the battery pack circuit of 13 refrigerant side of composite heat-exchanger cooling, by the second electronic water pump 1102
It is sent into battery pack packet 14 to be recycled, to realize the cooling to battery pack.
The motor compressor 1 is connect by pipeline with water-cooled condenser 2, then proceed to connection electric expansion valve 3 →
4 → third of outdoor heat exchanger solenoid valve 303, then motor compressor 1 is returned through liquid-gas separator 5, it forms battery pack and individually heats
Or preheating mode coolant liquid side loop.At the same time, the water-cooled condenser 2 is connect by pipeline with the first kettle 1201,
Connection first 1101 → electric heater of electronic water pump, 10 → the second 902 → composite heat-exchanger of water valve 13 is then proceeded to, then through threeway
Pipe returns to water-cooled condenser 2, forms battery individually heating or preheating mode coolant liquid side loop I；Meanwhile by the composite heat-exchange
Device 13 is connect by pipeline with the second electronic water pump 1102, is then proceeded to second 1202 → battery pack of kettle 14 of connection, is returned again to
Composite heat-exchanger 13 forms battery pack battery individually heating or preheating mode coolant liquid side loop II；Go out from motor compressor 1
The high-temperature high-pressure refrigerant come flows into electric expansion valve 3 by water-cooled condenser 2, then flows into outdoor heat exchanger 4, then again through the
Three solenoid valves 303 and liquid-gas separator 5 return to 1 air entry of motor compressor.The coolant liquid of the heating of condenser 2 is water cooled by first
Electronic water pump 1101 is sent to the coolant liquid heated in composite heat-exchanger 13 in 14 circuit of battery pack, and battery pack is added in 14 circuit
The coolant liquid of heat, which is sent to by the second electronic water pump 1102 in battery pack 14, to be recycled, and realizes the heating or preheating to battery pack 14.
The motor compressor 1 is connect by pipeline with water-cooled condenser 2, the first solenoid valve 301 of connection is then proceeded to
4 → the second 602 → composite heat-exchanger of electromagnetic expanding valve 13 of → outdoor heat exchanger, then return to electricity through three-way pipe and liquid-gas separator 5
Dynamic compressor 1 forms crew module's heating and battery pack refrigerating mode refrigerant side circuit；At the same time, the water cooling is condensed
Device 2 is connect by pipeline with the first kettle 1201, and first 1101 → electric heater of electronic water pump 10 → the first of connection is then proceeded to
Water valve 901 → car heater cores 8, then water-cooled condenser 2 is returned through three-way pipe, it forms crew module and heats coolant liquid side loop；
And the composite heat-exchanger 13 is connect by pipeline with the second electronic water pump 1102, and connection 1202 → electricity of the second kettle is then proceeded to
Pond packet 14, returns to composite heat-exchanger 13, forms battery pack coolant liquid side cooling circuit.
The motor compressor 1 is connect by pipeline with water-cooled condenser 2, then proceed to connection electric expansion valve 3 or
First 301 → outdoor heat exchanger of solenoid valve, 4 → the first electromagnetic expanding valve 601 → car evaporator 7, then through three-way pipe and liquid qi leel
Motor compressor 1 is returned from device 5；At the same time, the motor compressor 1 is connect by pipeline with water-cooled condenser 2, then
Continue to connect electric expansion valve 3 or first 301 → outdoor heat exchanger of solenoid valve, 4 → three-way pipe and the second electromagnetic expanding valve 602 →
Composite heat-exchanger 13, then motor compressor 1 is returned through three-way pipe and liquid-gas separator 5, it forms crew module's dehumidifying and battery pack is cold
But pattern refrigerant side circuit；The high-temperature high-pressure refrigerant come out from motor compressor 1 is by water-cooled condenser 2 using electricity
Sub- expansion valve 3 or the first solenoid valve 301 enter outdoor heat exchanger 4, then pass through the first electromagnetic expanding valve 601 of HVAC respectively again
With interior evaporator 7, second solenoid valve 602 and composite heat-exchanger 13, the suction of compressor 1 is returned to after three-way pipe and liquid-gas separator
Gas port.The coolant liquid in high temperature refrigerant heating HVAC heater cores circuit in water-cooled condenser 2, the coolant liquid heated are led to
It crosses in the heater cores of the first electronic water pump 1101 feeding HVAC and recycles, to realize the sky cooled down by evaporator core in HVAC
Gas is heated by the heater cores of HVAC again, that is, realizes dehumidification function.The refrigerant of side cools down the other side in composite heat-exchanger 13
Coolant liquid in battery pack circuit, the coolant liquid cooled down by composite heat-exchanger 13 are sent into battery using the second electronic water pump 1102
The cooling to battery pack is realized in packet 14.
The motor compressor 1 is connect by pipeline with water-cooled condenser 2, then proceed to connection electric expansion valve 3 or
First 301 → outdoor heat exchanger of solenoid valve, 4 → the first electromagnetic expanding valve 601 → car evaporator 7, then through three-way pipe and liquid qi leel
Motor compressor 1 is returned from device 5, forms crew module's dehumidifying and battery pack heating mode refrigerant side circuit；At the same time, by institute
It states water-cooled condenser 2 to connect with the first kettle 1201 by pipeline, then proceedes to first 1101 → electrical heating of electronic water pump of connection
10 → the first water valve 901 → car heater cores 8 of device, then water-cooled condenser 2 is returned through three-way pipe, form crew module's desiccant cooling
Agent side loop；The water-cooled condenser 2 is connect by pipeline with the first kettle 1201, and the first electronic water pump of connection is then proceeded to
1101 → electric heater, 10 → the second 902 → composite heat-exchanger of water valve 13 returns to water-cooled condenser 2 through three-way pipe, forms battery
Packet heated cooling fluid side loop I；And the composite heat-exchanger 13 is connect by pipeline with the second electronic water pump 1102, is then proceeded to
Composite heat-exchanger 13 is returned after connecting second 1202 → battery pack of kettle 14, forms battery pack heated cooling fluid side loop II.I.e.
The coolant liquid of the high temperature refrigerant heating other side in water-cooled condenser, the coolant liquid heated pass through the first electronic water pump all the way
1101 are sent into realization in interior heater cores through the first water valve 901 is reheated by 7 air after cooling of interior evaporator, that is, realizes
The dehumidification function of crew module；The coolant liquid another way heated is sent by the first electronic water pump 1101 through the second water valve 902 multiple
The coolant liquid in the heating composite heat-exchanger other side, that is, 14 circuit of battery pack, battery pack in heat exchanger 13 is closed to be heated in 14 circuit
Coolant liquid by the second electronic water pump 1102 be sent into battery pack in recycled, form the heating circuit of battery pack.
Used in new energy vehicles of the present invention integrates crew module's air-conditioning and the sides HVAC of battery pack heat management heat pump system still use original
Some water heating type car heater cores 8, i.e.,：The refrigerant heat coolant liquid in liquid-cooling plate type heat exchanger is first passed through, is heated
Coolant liquid, which is then sent through in the interior heater cores 8 of HVAC, carries out interior heating；A meanwhile then additional 5KW water heating type electrical heating
Device 10 (Water-PTC), heating performance can reach the heating performance of transmission fuel engines vehicle.
Crew module's heating is carried out due to adding 5KW water heating types electric heater 10 again using water heating type car heater cores 8, because
This, used in new energy vehicles of the invention, which integrates crew module's air-conditioning and battery pack heat management heat pump system, can fully meet GB/T
24552-2009《The performance requirement and test method of electric vehicle windscreen defrosting-defogging system》In to defrosting --- environment
The low temperature requirements that ± 3 DEG C of -18 DEG C of temperature.In addition, HVAC can borrow existing HVAC products completely, without developing again, in this way
Just reduce the development time, is conducive to the application of new technology.
Used in new energy vehicles of the present invention, which integrates crew module's air-conditioning and battery pack heat management heat pump system, makes battery pack heat management
Heat exchanger is combined heat exchanger, you can is cooled down to battery pack, in a shared 5KW water heating types electric heater 10
In the case of, battery pack can also be heated, while heat supply can also be carried out to crew module.
Due to battery pack heat management recycle in water heating type electric heater 10 presence, can at low ambient temperatures, in electricity
The preheating of battery pack 13 is first carried out before Chi Bao chargings using charging pile power supply, i.e.,：It is suitable that first battery pack 13 is pre-heated to
It charges again after the temperature of charging, not only protects battery pack in this way, but also improve charge efficiency；Simultaneously as crew module adopts
Also therefore the water heating type electric heater 10 is shared in warm cycle can also utilize charging pile power supply when battery pack charges
Crew module is preheated, crew module's heating energy used can be thus saved in subsequent vehicle traveling, it also can be corresponding
Improve the course continuation mileage of vehicle under low temperature environment.
Claims (9)
1. a kind of used in new energy vehicles integrates crew module's air-conditioning and battery pack heat management heat pump system, which is characterized in that containing electronic
Compressor (1), water-cooled condenser (2), electric expansion valve (3), the first solenoid valve (301), second solenoid valve (302), third electricity
Magnet valve (303), outdoor heat exchanger (4), liquid-gas separator (5), the first electromagnetic expanding valve (601), the second electromagnetic expanding valve
(602), interior evaporator (7), interior heater cores (8), the first water valve (901), the second water valve (902), electric heater (10),
First electronic water pump (1101), the second electronic water pump (1102), the first kettle (1201), the second kettle (1202), composite heat-exchange
Device (13) and battery pack (14), the car heater cores (8) use water heating type car heater cores (8)；The electric heater
(10) 5KW water heating types electric heater (10) is used；
The motor compressor (1) is connect by pipeline and second solenoid valve (302) with outdoor heat exchanger (4), the company of then proceeding to
The first electromagnetic expanding valve (601) → car evaporator (7) is connect, then the electronic pressure is returned through three-way pipe and liquid-gas separator (5)
Contracting machine (1), at the same time, the motor compressor (1) are connected by pipeline and second solenoid valve (302) with outdoor heat exchanger (4)
It connects, then proceedes to the second electromagnetic expanding valve of connection (602) → composite heat-exchanger (13), then through three-way pipe and liquid-gas separator (5)
The motor compressor (1) is returned, the circuit of crew module's refrigeration and battery refrigerating mode refrigerant side is formed；Meanwhile it is described multiple
It closes heat exchanger (13) to connect with the second kettle (1202) by pipeline and the second electronic water pump (1102), then proceedes to connection battery
Packet (14) returns to the composite heat-exchanger (13) afterwards, forms the circuit of battery cooling coolant liquid side；
The motor compressor (1) is connect by pipeline and water-cooled condenser (2) with electric expansion valve (3), then proceedes to connect
Outdoor heat exchanger (4) → third solenoid valve (303), then the motor compressor (1) is returned through liquid-gas separator (5), formation multiplies
The refrigerant side circuit of member cabin heating and battery-heated model；At the same time, the water-cooled condenser (2) passes through pipeline and first
Kettle (1201) is connect with the first electronic water pump (1101), then proceed to connection electric heater (10) → first water valve (901) →
Interior heater cores (8) return to the coolant liquid side loop that the water-cooled condenser (2) forms crew module's heating through three-way pipe；With
This simultaneously, the water-cooled condenser (2) is connect by pipeline and the first kettle (1201) with the first electronic water pump (1101), then
Continue to connect electric heater (10) → second water valve (902) → composite heat-exchanger (13), it is cold to return to the water cooling through Three-way valve pipe
Condenser (2) forms battery pack heated cooling fluid side loop I；Meanwhile the composite heat-exchanger (13) passes through pipeline and the second electronics
Water pump (1102) is connect with the second kettle (1202), is then proceeded to connection battery pack packet (14) and is returned to the composite heat-exchanger afterwards
(13), battery pack heated cooling fluid side loop II is formed.
2. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline with second solenoid valve (302), then proceedes to connection outdoor heat exchanger
(4) → first electromagnetic expanding valve (601) → car evaporator (7), then return to electric compressor through three-way pipe and liquid-gas separator (5)
Machine (1) forms crew module's separate refrigeration or pre- cold loop.
3. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline with water-cooled condenser (2), then proceedes to connection electric expansion valve (3)
→ outdoor heat exchanger (4) → third solenoid valve (303), then motor compressor (1) is returned through liquid-gas separator (5), form occupant
Shipping bill solely heats or the circuit of preheating mode refrigerant side；Meanwhile the water-cooled condenser (2) passes through pipeline and the first kettle
(1201) it connects, then proceedes to connection the first electronic water pump (1101) → electric heater (10) → first water valve (901) → car
Heater cores (8), then water-cooled condenser (2) is returned through three-way pipe, form crew module individually heating or preheating mode coolant liquid side
Circuit.
4. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline with water-cooled condenser (2), then proceedes to the first solenoid valve of connection
(301) → outdoor heat exchanger (4) → first electromagnetic expanding valve (601) → car evaporator (7), then returned through liquid-gas separator (5)
Motor compressor (1) is returned, crew module's dehumidification mode refrigerant side circuit is formed；Meanwhile the water-cooled condenser (2) passes through pipeline
It is connect with the first kettle (1201), then proceedes to connection the first electronic water pump (1101) → electric heater (10) → first water valve
(901) → car heater cores (8), then water-cooled condenser (2) is returned through three-way pipe, form crew module's dehumidification mode coolant liquid side
Circuit.
5. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline and second solenoid valve (302) with outdoor heat exchanger (4), is then proceeded to
The second electromagnetic expanding valve (602) → composite heat-exchanger (13) is connected, then electric compressor is returned through three-way pipe and liquid-gas separator (5)
Machine (1) forms battery independent refrigerating mode refrigerant side circuit；Meanwhile the composite heat-exchanger (13) passes through pipeline and second
Electronic water pump (1102) connects, and then proceedes to the second kettle of connection (1202) → battery pack packet (14) and returns to composite heat-exchanger afterwards
(13), the independent refrigerating mode coolant liquid side loop of battery pack battery is formed.
6. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline with water-cooled condenser (2), then proceedes to connection electric expansion valve (3)
→ outdoor heat exchanger (4) → third solenoid valve (303), then motor compressor (1) is returned through liquid-gas separator (5), form battery
Packet battery individually heats or preheating mode refrigerant side circuit；At the same time, the water-cooled condenser (2) passes through pipeline and first
Kettle (1201) is connect with the first electronic water pump (1101), then proceed to connection electric heater (10) → second water valve (902) →
Composite heat-exchanger (13) returns to the water-cooled condenser (2) through Three-way valve pipe, forms the cold independent heating of battery pack or preheating mode
But liquid side loop 1；Meanwhile the composite heat-exchanger (13) is connect by pipeline with the second electronic water pump (1102), is then proceeded to
It connects the second kettle (1202) → battery pack (14) and returns to composite heat-exchanger (13) afterwards, form the individually heating or pre- of battery pack battery
Heat pattern coolant liquid side loop 2.
7. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline with water-cooled condenser (2), then proceedes to the first solenoid valve of connection
(301) → outdoor heat exchanger (4) → second electromagnetic expanding valve (602) → composite heat-exchanger (13), then through three-way pipe and liquid qi leel
Motor compressor (1) is returned from device (5), forms crew module's heating and battery refrigerating mode refrigerant side circuit；At the same time, institute
Water-cooled condenser (2) is stated to connect with the first kettle (1201) by pipeline, then proceed to connection the first electronic water pump (1101) →
Electric heater (10) → first water valve (901) → car heater cores (8), then water-cooled condenser (2) is returned through three-way pipe, it is formed
Crew module heats coolant liquid side loop；And the composite heat-exchanger (13) is connect by pipeline with the second electronic water pump (1102),
It then proceedes to the second kettle of connection (1202) → battery pack (14) and returns to composite heat-exchanger (13) afterwards, form the cooling of battery pack battery
Liquid side loop.
8. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline with water-cooled condenser (2), then proceedes to the first solenoid valve of connection
(301) → outdoor heat exchanger (4) → first electromagnetic expanding valve (601) → car evaporator (7), through three-way pipe and liquid-gas separator
(5) return motor compressor (1), meanwhile, the motor compressor (1) is connect by pipeline with water-cooled condenser (2), then after
The first solenoid valve of continuous connection (301) → outdoor heat exchanger (4) → three-way pipe and the second electromagnetic expanding valve (602) → composite heat-exchanger
(13), motor compressor (1) then through three-way pipe and liquid-gas separator (5) is returned, forms crew module's dehumidifying and battery refrigerating mode
Refrigerant side circuit；At the same time, the water-cooled condenser (2) is connect by pipeline with the first kettle (1201), is then proceeded to
The first electronic water pump (1101) → electric heater (10) → first water valve (901) → car heater cores (8) are connected, through three-way pipe
Water-cooled condenser (2) is returned, crew module's dehumidification cooling liquid side loop is formed；And the composite heat-exchanger (13) passes through pipeline and
Two electronic water pumps (1102) connect, and then proceed to the second kettle of connection (1202) → battery pack (14) and return to composite heat-exchanger afterwards
(13), the circuit of battery pack cooling coolant liquid side is formed.
9. used in new energy vehicles according to claim 1 integrates crew module's air-conditioning and battery pack heat management heat pump system, special
Sign is that the motor compressor (1) is connect by pipeline with water-cooled condenser (2), then proceedes to the first solenoid valve of connection
(301) → outdoor heat exchanger (4) → first electromagnetic expanding valve (601) → car evaporator (7), through three-way pipe and liquid-gas separator
(5) motor compressor (1) is returned, crew module's dehumidifying and battery-heated model refrigerant side circuit are formed；At the same time, the water
Cool condenser (2) is connect by pipeline with the first kettle (1201), is then proceeded to the first electronic water pump of connection (1101) → electricity and is added
Hot device (10) → first water valve (901) → car heater cores (8) returns to water-cooled condenser (2) through three-way pipe, forms crew module
Dehumidification cooling liquid side loop；The water-cooled condenser (2) is connect by pipeline with the first kettle (1201), and connection is then proceeded to
One electronic water pump (1101) → electric heater (10) → second water valve (902) → composite heat-exchanger (13) returns to water through three-way pipe
Cool condenser (2) forms battery pack battery heated cooling fluid side loop I；And the composite heat-exchanger (13) passes through pipeline and
Two electronic water pumps (1102) connect, and then proceed to the second kettle of connection (1202) → battery pack (14) and return to composite heat-exchanger afterwards
(13), battery pack battery heated cooling fluid side loop II is formed.
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| CN201810347131.5A CN108482064B (en) | 2018-04-18 | 2018-04-18 | Integrated passenger cabin air conditioner and battery pack thermal management heat pump system for new energy vehicle |
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| CN201810347131.5A CN108482064B (en) | 2018-04-18 | 2018-04-18 | Integrated passenger cabin air conditioner and battery pack thermal management heat pump system for new energy vehicle |
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