CN109318679A - A kind of heat-pump-type automotive air-conditioning system suitable for high-power fast charge operating condition - Google Patents
A kind of heat-pump-type automotive air-conditioning system suitable for high-power fast charge operating condition Download PDFInfo
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- CN109318679A CN109318679A CN201810927254.6A CN201810927254A CN109318679A CN 109318679 A CN109318679 A CN 109318679A CN 201810927254 A CN201810927254 A CN 201810927254A CN 109318679 A CN109318679 A CN 109318679A
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- solenoid valve
- way solenoid
- water pump
- heat exchanger
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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
- 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
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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
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
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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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
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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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
-
- 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
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/00614—Cooling of electronic units in air stream
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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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2268—Constructional features
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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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- Engineering & Computer Science (AREA)
- 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
The invention discloses one kind to be suitable for high-power fast charge operating condition heat-pump-type automotive air-conditioning system, including interior refrigerating circuit, is configured so that refrigerant circulation flows through compressor, vehicle external heat exchanger, electric expansion valve, evaporator and gas-liquid separator；It further include heat pump car heating circuit, it is configured so that refrigerant by compressor, plate heat exchanger, electric expansion valve, the sequential flowing of vehicle external heat exchanger and gas-liquid separator, heat cycles liquid heated device of recycle stream under the action of water pump, interior radiator and plate heat exchanger make refrigerant and heat cycles liquid carry out heat exchange in plate heat exchanger；Heat-pump-type air conditioning for automobiles provided by the present invention, with multiple-working mode, it can be realized the battery thermal management function of linkage, and battery cooling and interior heating can be carried out while defrosting, it improves interior thermal comfort and guarantees that battery works in operating temperature range, and the system configuration charging pile refrigeration system carries out assisted refrigeration under the high-power fast charge operating condition of battery, to meet battery radiating requirements.
Description
Technical field
The present invention relates to automobile air conditioning technology fields, and in particular to a kind of heat-pump-type suitable for high-power fast charge operating condition
Automotive air-conditioning system.
Background technique
In automotive field, in order to reduce environmental pollution, extensive development electric car has become a kind of trend, realizes
The sizable application of new-energy automobile simultaneously General Promotion electric automobile whole quality and performance be the main flow direction that develops at present it
One.
Pure electric automobile does not have fuel engines, and automotive air-conditioning system cannot continue except compressor by engine direct tape splicing
Dynamic outer, winter heating can not also continue with engine exhaust heat, and existing electric car mostly uses PTC electric heater direct heating, imitate
Rate is lower, significantly reduces the course continuation mileage of electric car, does not meet the target of energy-saving and emission-reduction in the long run.Therefore, it grinds
Studying carefully the higher heat pump air conditioning system of Energy Efficiency Ratio has extremely important meaning to the technology development of electric car.
Common automotive air-conditioning system is often realized the phase of heat pump air conditioning system cooling and warming mode by a four-way reversing valve
Mutually conversion, but such heat pump air conditioner can not achieve the battery thermal management function of linkage, and in ultralow temperature, heat pump
The performance of air-conditioning can significantly reduce, and traditional Defrost mode influences interior thermal comfort, it is therefore desirable to design a kind of heat pump
Formula air conditioning for automobiles, to meet refrigeration, heating, ultralow temperature heating, battery heating/cooling, motor is cooling, and defrosting etc. requires.And
Under the high-power fast charge operating condition of battery, existing electric automobile air-conditioning system is not able to satisfy battery radiating requirements, therefore needs to design and match
It is equipped with the heat pump air conditioner of auxiliary cooling system.
Summary of the invention
The present invention has designed and developed a kind of heat-pump-type automotive air-conditioning system suitable for high-power fast charge operating condition, the present invention
Goal of the invention dissipate first is that existing electric automobile air-conditioning system is overcome not to be able to satisfy under the high-power fast charge operating condition of battery battery
The defect of heat demand, provides auxiliary cooling system.
Goal of the invention of the invention second is that car thermal comfort difference when existing electric automobile air-conditioning system being overcome to defrost
Defect, providing can defrost and battery cooling circuit simultaneously, will not influence interior thermal comfort at this time.
Technical solution provided by the invention are as follows:
A kind of heat-pump-type automotive air-conditioning system suitable for high-power fast charge operating condition, comprising:
The first compressor, the first plate heat exchanger, the second three-way solenoid valve, vehicle external heat exchanger, the first electricity being sequentially connected
Magnetic triple valve, the first solenoid valve, the second electric expansion valve, third plate heat exchanger and gas-liquid separator form connected loop；
The 4th water pump, the 4th plate heat exchanger, the 6th three-way solenoid valve, the second plate heat exchanger and being sequentially connected
Seven three-way solenoid valves form connected loop；
Third water pump, battery heat exchange module, the 4th triple valve, the third plate heat exchanger, the 5th electromagnetism three being sequentially connected
Port valve and the second plate heat exchanger form connected loop；
The second compressor, condenser, the 4th electric expansion valve and the formation of the 4th plate heat exchanger being sequentially connected are connected to back
Road；
When the air-conditioning system is in high-power fast charge operating condition battery refrigerating mode, the three-way solenoid valve, the electricity
Magnet valve, first compressor, the 4th water pump, the third water pump and second compressor open progress electricity simultaneously
Pond is cooling.
Preferably, further includes:
The first compressor, the first plate heat exchanger, the second three-way solenoid valve, vehicle external heat exchanger, the first electricity being sequentially connected
Magnetic triple valve, second solenoid valve, third electric expansion valve, evaporator and gas-liquid separator form connected loop；
When the air-conditioning system is in interior refrigeration mode, first compressor is opened, the 4th water pump, institute
It states third water pump and second compressor simultaneously closes off, second three-way solenoid valve, first three-way solenoid valve and institute
It states second solenoid valve while opening, first solenoid valve is closed；
When the air-conditioning system is in interior refrigeration and battery refrigerating mode, first compressor and the third
Water pump is opened, and second compressor and the 4th water pump simultaneously close off；5th three-way solenoid valve, second electricity
Magnetic triple valve, first three-way solenoid valve, the second solenoid valve and first solenoid valve are opened simultaneously.
Preferably, further includes:
Third water pump, battery heat exchange module, the 4th triple valve, battery radiator, the 5th three-way solenoid valve being sequentially connected
Connected loop is formed with the second plate heat exchanger；
When the air-conditioning system is in the independent refrigerating mode of the first battery, first compressor and the third water
Pump is opened, and second compressor and the 4th water pump simultaneously close off；Second three-way solenoid valve, first electromagnetism
Triple valve and first solenoid valve are opened simultaneously, and the second solenoid valve is closed；
When the air-conditioning system is in the independent refrigerating mode of the second battery, the third water pump is opened, first pressure
Contracting machine, second compressor and the 4th water pump simultaneously close off；5th three-way solenoid valve is opened, and adjusts institute
Stating the 5th three-way solenoid valve makes the battery radiator be connected with second plate heat exchanger.
Preferably, further includes:
It is the first water pump for being sequentially connected, charging system, DC power converter, motor control system, electronic mechanical, electrical
Machine radiator and the first triple valve form connected loop；
When the air-conditioning system is in motor refrigerating mode, first compressor, the 4th water pump, described
Three water pumps and second compressor simultaneously close off, and first water pump is opened.
Preferably, further includes:
The second water pump for being sequentially connected, ptc heater, the second triple valve, interior radiator, the 4th three-way solenoid valve, the
Three three-way solenoid valves and third triple valve form connected loop；
It is first compressor, the 4th water pump, described when the air-conditioning system is in PTC car heating mode
Third water pump and second compressor simultaneously close off, and second water pump is opened, the 4th three-way solenoid valve and described the
Three three-way solenoid valves are opened simultaneously, and when adjusting the 4th three-way solenoid valve and the third three-way solenoid valve described in
Two water pumps are connected with the interior radiator；
When the air-conditioning system is in PTC battery preheating mode, first compressor, second compressor and
4th water pump simultaneously closes off, and second water pump and the third water pump are opened simultaneously；5th three-way solenoid valve is opened
It opens, and adjusting the 5th three-way solenoid valve makes second plate heat exchanger be connected with the third plate heat exchanger,
6th three-way solenoid valve is opened, and is adjusted the 6th three-way solenoid valve and made second plate heat exchanger and described
Ptc heater is connected, and the 4th three-way solenoid valve, the third three-way solenoid valve and the 7th three-way solenoid valve are opened simultaneously
It opens, adjusting the 4th three-way solenoid valve, the third three-way solenoid valve and the 7th three-way solenoid valve makes described second board-like to change
Hot device is connected with second water pump.
Preferably, further includes: the first electric expansion valve, simultaneously with first plate heat exchanger and described second
Three-way solenoid valve is connected；
When the air-conditioning system is in heat pump car heating mode, the 4th water pump, the third water pump and described
Second compressor simultaneously closes off, and first compressor and second water pump are opened simultaneously, and the ptc heater closes
It closes；First three-way solenoid valve, second three-way solenoid valve and the third three-way solenoid valve are opened simultaneously, adjust institute
Stating the first three-way solenoid valve makes the vehicle external heat exchanger be connected with first electric expansion valve, adjusts second electromagnetism
First electric expansion valve described in when triple valve is connected with first plate heat exchanger, adjusts the third three-way solenoid valve
Second water pump is set to be connected with first plate heat exchanger.
Preferably, when the air-conditioning system is in the heating of heat pump car and PTC concurrent heating mode, the ptc heater
It opens.
Preferably, when the air-conditioning system is in the first defrosting mode, first compressor and the third water
Pump is opened, and second compressor and the 4th water pump simultaneously close off；Second three-way solenoid valve, first electromagnetism
Triple valve and first solenoid valve are opened simultaneously, and the second solenoid valve is closed.
Preferably, when the air-conditioning system is in the second defrosting mode, second water pump is opened, the third
Three-way solenoid valve, the 4th three-way solenoid valve and the 6th three-way solenoid valve are opened simultaneously, adjust the third three-way solenoid valve
So that second plate heat exchanger is connected with second water pump with the 4th three-way solenoid valve, adjusts the 6th electromagnetism three
Port valve makes second plate heat exchanger be connected with the ptc heater.
Preferably, further includes:
First expansion kettle is connected with the third triple valve, at the same with the 7th three-way solenoid valve and the described 4th
On circuit between three-way solenoid valve；
Second expansion kettle is connected with first triple valve and the motor radiator.
The present invention compared with prior art possessed by the utility model has the advantages that heat-pump-type air conditioning for automobiles provided by the present invention,
With multiple-working mode, the battery thermal management function of linkage can be realized, and it is cold to carry out battery while defrosting
But it is heated with car, improve interior thermal comfort and guarantees that battery works in operating temperature range.And the system configuration
Charging pile refrigeration system carries out assisted refrigeration under the high-power fast charge operating condition of battery, to meet battery radiating requirements.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hot type automotive air-conditioning system of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
As shown in Figure 1, the present invention provides a kind of heat pump air conditioning system, including the first triple valve 1, the first water pump 2 fill
Electric system 3, DC power converter 4, motor control system 5, motor 6, the first three-way solenoid valve 7, vehicle external heat exchanger 9,
Motor radiator 10, motor radiating fan 11, the second three-way solenoid valve 15, the first plate heat exchanger 16, the first compressor 17,
Gas-liquid separator 18, the first electric expansion valve 22, the first solenoid valve 24, the second electric expansion valve 25, second solenoid valve 26, the
Three electric expansion valves 27, the second triple valve 28, ptc heater 29, the second water pump 30, interior radiator 31, evaporator 32, vehicle
Interior radiator fan 33, third triple valve 34, third three-way solenoid valve 35, the 4th three-way solenoid valve 36, the second plate heat exchanger
38, third water pump 39, battery heat exchange module 40, the 5th three-way solenoid valve 41, third plate heat exchanger 42, battery radiator 43,
Battery radiator fan 44, the 4th triple valve 45, expansion kettle 46, expansion kettle 47, the second compressor 48, condenser 49, condenser
Radiator fan 55, the 4th electric expansion valve 50, the 4th plate heat exchanger 51, the 4th water pump 52, the 6th three-way solenoid valve 53, the
Seven three-way solenoid valves 54.
The present invention controls the open and close of compressor and water pump by switch valve, air conditioning for automobiles can be made to realize a variety of
Operating mode；Its specific operating mode is as follows:
1, interior refrigeration mode includes the first compressor 17, the first plate heat exchanger 16, the second electromagnetism three being sequentially connected
Port valve 15, vehicle external heat exchanger 9, the first three-way solenoid valve 7, second solenoid valve 26, third electric expansion valve 27,32 and of evaporator
Gas-liquid separator 18 forms connected loop；
Specific works mode are as follows: pass through the first plate-type heat-exchange through the compressed high-temperature high-pressure refrigerant of the first compressor 17
Then device 16 enters by the port c of the second three-way solenoid valve 15, flow out by the port b of the second three-way solenoid valve 15, so
Heat is discharged into environment into vehicle external heat exchanger 9 afterwards and becomes supercooled liquid, then passes through the port c of the first three-way solenoid valve 7
Into, it is flowed out by the port b of the first three-way solenoid valve 7, it is then swollen by third electronics subsequently into second solenoid valve 26
The throttling of swollen valve 27 becomes the refrigerant of low-pressure low-temperature, into evaporator 32, the heat of refrigerant suction air, air itself
Temperature reduces, and subsequently into gas-liquid separator 18, is then return to the first compressor 17, realizes interior refrigeration cycle.In this mould
The first solenoid valve 24 is in close state under formula
2, interior refrigeration+battery refrigerating mode include the first compressor 17 being sequentially connected, the first plate heat exchanger 16,
Second three-way solenoid valve 15, vehicle external heat exchanger 9, the first three-way solenoid valve 7, second solenoid valve 26, third electric expansion valve 27,
Evaporator 32 and gas-liquid separator 18 form connected loop；
The first compressor 17, the first plate heat exchanger 16, the second three-way solenoid valve 15, vehicle external heat exchanger being sequentially connected
9, the first three-way solenoid valve 7, the first solenoid valve 24, the second electric expansion valve 25, third plate heat exchanger 42 and gas-liquid separator
18 form connected loop；
Third water pump 39, battery heat exchange module 40, the 4th triple valve 45, the third plate heat exchanger 42, being sequentially connected
Five three-way solenoid valves 41 and the second plate heat exchanger 38 form connected loop；
Specific works mode are as follows: pass through the first plate-type heat-exchange through the compressed high-temperature high-pressure refrigerant of the first compressor 17
Then device 16 enters by the port c of the second three-way solenoid valve 15, flow out by the port b of the second three-way solenoid valve 15, so
Heat is discharged into environment into vehicle external heat exchanger 9 afterwards and becomes supercooled liquid, then passes through the port c of the first three-way solenoid valve 7
Into being flowed out by the port b of the first three-way solenoid valve 7, part of refrigerant enters second solenoid valve 26, then by the
The throttling of three electric expansion valves 27 becomes the refrigerant of low-pressure low-temperature, into evaporator 32, the heat of refrigerant suction air,
Air self-temperature reduces, and subsequently into gas-liquid separator 18, is then return to the first compressor 17, realizes that interior refrigeration is followed
Ring；Another part refrigerant enters the first solenoid valve 24, then becomes low-pressure low-temperature by the throttling of the second electric expansion valve 25
Refrigerant, exchange heat into third plate heat exchanger 42 with coolant liquid in battery cooling system, subsequently into gas-liquid separator
18, it is then return to the first compressor 17.Circulating battery liquid flows through battery heat exchange module 40 under the action of third water pump 39,
The heat of battery surface is absorbed, is then entered by the port b of the 4th triple valve 45, is flowed by the port c of the 4th triple valve 45
Out, it into third plate heat exchanger 42, transfers heat to refrigerant and realizes cooling, then pass through the 5th three-way solenoid valve 41
Port b enter, flowed out by the port c of the 5th three-way solenoid valve 41, flow through the second plate heat exchanger 38, be then return to the
Three water pumps 39 realize battery cooling cycle.
3, the independent refrigerating mode of the first battery (air-conditioning refrigerant cooling) includes the first compressor 17 being sequentially connected, the
One plate heat exchanger 16, the second three-way solenoid valve 15, vehicle external heat exchanger 9, the first three-way solenoid valve 7, the first solenoid valve 24,
Two electric expansion valves 25, third plate heat exchanger 42 and gas-liquid separator 18 form connected loop；
Third water pump 39, battery heat exchange module 40, the 4th triple valve 45, the third plate heat exchanger 42, being sequentially connected
Five three-way solenoid valves 41 and the second plate heat exchanger 38 form connected loop；
Specific works mode are as follows: pass through the first plate-type heat-exchange through the compressed high-temperature high-pressure refrigerant of the first compressor 17
Then device 16 enters by the port c of the second three-way solenoid valve 15, flow out by the port b of the second three-way solenoid valve 15, so
Heat is discharged into environment into vehicle external heat exchanger 9 afterwards and becomes supercooled liquid, then passes through the port c of the first three-way solenoid valve 7
Into, it is flowed out by the port b of the first three-way solenoid valve 7, it is then swollen by the second electronics subsequently into the first solenoid valve 24
The throttling of swollen valve 25 becomes the refrigerant of low-pressure low-temperature, cools down into third plate heat exchanger 42 with battery cooling system
Liquid heat exchange, subsequently into gas-liquid separator 18, is then return to the first compressor 17.Circulating battery liquid is in third water pump 39
Under effect, flow through battery heat exchange module 40, absorb the heat of battery surface, then by the 4th triple valve 45 port b into
Enter, flowed out by the port c of the 4th triple valve 45, into third plate heat exchanger 42, transfers heat to refrigerant and realize drop
Then temperature enters by the port b of the 5th three-way solenoid valve 41, flow out, flow through by the port c of the 5th three-way solenoid valve 41
Second plate heat exchanger 38 is then return to third water pump 39, realizes battery cooling cycle.Second solenoid valve 26 in such a mode
It is in close state.
4, the independent refrigerating mode of the second battery (environment air cooling) includes the third water pump 39 being sequentially connected, battery heat exchange
Module 40, the 4th triple valve 45, battery radiator 43, the 5th three-way solenoid valve 41 are connected to the formation of the second plate heat exchanger 38
Circuit；
Specific works mode are as follows: at low ambient temperatures, effect of the circulating battery liquid in third water pump 39
Under, battery heat exchange module 40 is flowed through, the heat of battery surface is absorbed, is then entered by the port b of the 4th triple valve 45, warp
The port a outflow of the 4th triple valve 45 is crossed, into battery radiator 43, air is under the action of battery radiator fan 44 to electricity
Pond radiator 43 is cooled down, and then port a that the liquid cooled down passes through the 5th three-way solenoid valve 41 enters, by the 5th
The port c of three-way solenoid valve 41 flows out, and flows through the second plate heat exchanger 38, is then return to third water pump 39, realizes that battery is cooling
Circulation.
5, motor refrigerating mode include the first water pump 2 being sequentially connected, it is charging system 3, DC power converter 4, electronic
Machine control system 5, motor 6, motor radiator 10 and the first triple valve 1 form connected loop；
Specific works mode are as follows: motor cycle liquid flows through charging system 3, direct current under the action of the first water pump 2
Source converter 4, motor control system 5, motor 6, subsequently into motor radiator 10, air is in motor radiating fan 11
Under the action of motor radiator 10 is cooled down, the liquid cooled down then pass through the first triple valve 1 port c enter, warp
The port b outflow for crossing the first triple valve 1, is then return to the first water pump 2, realizes motor cooling cycle.
6, PTC car heating mode include the second water pump 30 being sequentially connected, ptc heater 29, the second triple valve 28,
Interior radiator 31, the 4th three-way solenoid valve 36, third three-way solenoid valve 35 and third triple valve 34 form connected loop；
Specific works mode are as follows: PTC heat cycles liquid flows through PTC heater 29 under the action of the second water pump 30,
Absorb heat, then by the second triple valve 28 port c enter, by the second triple valve 28 port b flow out, then into
Enter interior radiator 31, air cools down interior radiator 31 under the action of radiator fan 33 in the car, and air itself is warm
Degree rises, the liquid cooled down and then the port c entrance for passing through the 4th three-way solenoid valve 36, by the 4th three-way solenoid valve 36
Port b outflow, by third three-way solenoid valve 35 port c enter, by third three-way solenoid valve 35 port b flow
Out, then enter by the port b of third triple valve 34, flowed out by the port c of third triple valve 34, be then return to second
Water pump 30 realizes PTC car heating circulation.
7, PTC battery preheating mode includes the third water pump 39, battery heat exchange module 40, the 4th triple valve being sequentially connected
45, third plate heat exchanger 42, the 5th three-way solenoid valve 41 and the second plate heat exchanger 38 form connected loop；
The second water pump 30, PTC heat exchanger 29, the second triple valve 28, the 6th three-way solenoid valve 53, second being sequentially connected
Plate heat exchanger 38, the 7th three-way solenoid valve 54, the 4th three-way solenoid valve 36, third three-way solenoid valve 35 and third triple valve
34 form connected loop；
Specific works mode are as follows: PTC heat cycles liquid flows through PTC heater 29 under the action of the second water pump 30,
Heat is absorbed, is then entered by the port c of the second triple valve 28, flows out by the port a of the second triple valve 28, then passes through
The port c for crossing the 6th three-way solenoid valve 53 enters, and flows out by the port b of the 6th three-way solenoid valve 53, subsequently into the second plate
Exchange heat in formula heat exchanger 38 with cryogenic liquid, the liquid that cool down then pass through the port b of the 7th three-way solenoid valve 54 into
Enter, flows out by the port c of the 7th three-way solenoid valve 54, then enter by the port a of the 4th three-way solenoid valve 36, pass through
The port b of 4th three-way solenoid valve 36 flows out, and enters by the port c of third three-way solenoid valve 35, by third electromagnetic three-way
The port b of valve 35 flows out, and then enters by the port b of third triple valve 34, flows out by the port c of third triple valve 34,
It is then return to the second water pump 30.Circulating battery liquid flows through battery heat exchange module 40 under the action of third water pump 39, will be hot
Amount passes to battery, then enters by the port b of the 4th triple valve 45, flows out by the port c of the 4th triple valve 45, into
Enter third plate heat exchanger 42, then enters by the port b of the 5th three-way solenoid valve 41, by the 5th three-way solenoid valve 41
Port c outflow, flow through the second plate heat exchanger 38, absorb PTC heat cycles liquid heat, be then return to third water pump 39,
Realize battery warm-up cycle.
8, heat pump car heating mode includes the first compressor 17 being sequentially connected, first the 16, second electricity of plate heat exchanger
Magnetic triple valve 15, the first electric expansion valve 22, vehicle external heat exchanger 9, the first three-way solenoid valve 7 and gas-liquid separator 18, which are formed, to be connected
Logical circuit；
Including the second water pump 30, ptc heater 29, the second triple valve 28, the interior radiator 31, first being sequentially connected
Plate heat exchanger 16, third three-way solenoid valve 35 and third triple valve 34 form connected loop；
Specific works mode are as follows: pass through the first plate-type heat-exchange through the compressed high-temperature high-pressure refrigerant of the first compressor 17
With lower Tc PTC heat cycles liquid heat exchange in device 16, become supercooled liquid, then passes through the port c of the second three-way solenoid valve 15
Into by the port a outflow of the second three-way solenoid valve 15, the throttling for then passing through the first electric expansion valve 22 becomes low pressure
The refrigerant of low temperature, subsequently into vehicle external heat exchanger 9, then the heat of refrigerant suction air passes through the first three-way solenoid valve
7 port c enters, and flows out by the port a of the first three-way solenoid valve 7, subsequently into gas-liquid separator 18, is then return to the
One compressor 17.PTC heat cycles liquid flows through ptc heater 29 under the action of the second water pump 30, then passes through second
The port c of triple valve 28 enters, and flows out by the port b of the second triple valve 28, subsequently into interior radiator 31, air exists
Interior radiator 31 is cooled down under the action of interior radiator fan 33, air self-temperature rises, and the liquid cooled down is right
Afterwards by the first plate heat exchanger 16, refrigerant heat is absorbed, is then entered by the port a of third three-way solenoid valve 35, warp
The port b outflow for crossing third three-way solenoid valve 35, then enters by the port b of third triple valve 34, by third threeway
The port c of valve 34 flows out, and is then return to the second water pump 30, realizes heat pump car heating circulation.4th electromagnetism three in such a mode
Port valve 36 is in bc communicating state.
9, heat pump car heating+PTC concurrent heating mode includes the first compressor 17, the first plate heat exchanger being sequentially connected
16, the second three-way solenoid valve 15, the first electric expansion valve 22, vehicle external heat exchanger 9, the first three-way solenoid valve 7 and gas-liquid separator
18 form connected loop；
Including the second water pump 30, ptc heater 29, the second triple valve 28, the interior radiator 31, first being sequentially connected
Plate heat exchanger 16, third three-way solenoid valve 35 and third triple valve 34 form connected loop；
Specific works mode are as follows: in the lower situation of environment temperature, can star ptc heater 29, heating PTC heating
Circulating liquid, and ptc heater 29 can carry out power adjustment according to heat demand.It is compressed through the first compressor 17
High-temperature high-pressure refrigerant passes through in the first plate heat exchanger 16 with lower Tc PTC heat cycles liquid heat exchange, becomes supercooled liquid,
Then enter by the port c of the second three-way solenoid valve 15, flow out by the port a of the second three-way solenoid valve 15, then pass through
The throttling of first electric expansion valve 22 becomes the refrigerant of low-pressure low-temperature, and subsequently into vehicle external heat exchanger 9, refrigerant suction is empty
Then the heat of gas enters by the port c of the first three-way solenoid valve 7, flow out by the port a of the first three-way solenoid valve 7,
Subsequently into gas-liquid separator 18, it is then return to the first compressor 17.Effect of the PTC heat cycles liquid in the second water pump 30
Under, ptc heater 29 is flowed through, heat is absorbed, is then entered by the port c of the second triple valve 28, by the second triple valve 28
Port b outflow, subsequently into interior radiator 31, air is in the car under the action of radiator fan 33 to interior radiator 31
It is cooled down, air self-temperature rises, then the liquid cooled down passes through the first plate heat exchanger 16, absorbs refrigerant heat
Then amount enters by the port a of third three-way solenoid valve 35, flow out by the port b of third three-way solenoid valve 35, then
Enter by the port b of third triple valve 34, flowed out by the port c of third triple valve 34, be then return to the second water pump 30,
Realize heat pump car heating circulation.The 4th three-way solenoid valve 36 is in bc communicating state in such a mode.
10, the first defrosting mode include the third water pump 39 being sequentially connected, battery heat exchange module 40, the 4th triple valve 45,
Third plate heat exchanger 42, the 5th three-way solenoid valve 41 and the second plate heat exchanger 38 form connected loop；
The first compressor 17, the first plate heat exchanger 16, the second three-way solenoid valve 15, vehicle including being sequentially connected change outside
Hot device 9, the first three-way solenoid valve 7, the first solenoid valve 24, the second electric expansion valve 25, third plate heat exchanger 42 and gas-liquid point
Connected loop is formed from device 18；
Specific works mode are as follows: frosting is understood on 9 surface of vehicle external heat exchanger when the usual system operation long period, at this time battery
There are higher radiating requirements, therefore it is cooling to carry out battery in defrosting；Through the compressed high temperature and pressure refrigeration of the first compressor 17
The first plate heat exchanger 16 is passed through in agent, then enters by the port c of the second three-way solenoid valve 15, by the second electromagnetic three-way
The port b of valve 15 flows out, and discharges heat into environment subsequently into vehicle external heat exchanger 9 and becomes supercooled liquid, is removed using high temperature
Then the frost on 9 surface of vehicle external heat exchanger enters by the port c of the first three-way solenoid valve 7, by the first three-way solenoid valve 7
Then b outflow in port becomes low-pressure low-temperature by the throttling of the second electric expansion valve 25 subsequently into the first solenoid valve 24
Refrigerant exchanges heat into third plate heat exchanger 42 with coolant liquid in battery cooling system, subsequently into gas-liquid separator
18, it is then return to the first compressor 17.Circulating battery liquid flows through battery heat exchange module 40 under the action of third water pump 39,
The heat of battery surface is absorbed, is then entered by the port b of the 4th triple valve 45, is flowed by the port c of the 4th triple valve 45
Out, it into third plate heat exchanger 42, transfers heat to refrigerant and realizes cooling, then pass through the 5th three-way solenoid valve 41
Port b enter, flowed out by the port c of the 5th three-way solenoid valve 41, flow through the second plate heat exchanger 38, be then return to the
Three water pumps 39 realize defrosting circulation.Second solenoid valve 26 is in close state in such a mode.
11, the second defrosting mode include the third water pump 39 being sequentially connected, battery heat exchange module 40, the 4th triple valve 45,
Third plate heat exchanger 42, the 5th three-way solenoid valve 41 and the second plate heat exchanger 38 form connected loop；
The first compressor 17, the first plate heat exchanger 16, the second three-way solenoid valve 15, vehicle including being sequentially connected change outside
Hot device 9, the first three-way solenoid valve 7, the first solenoid valve 24, the second electric expansion valve 25, third plate heat exchanger 42 and gas-liquid point
Connected loop is formed from device 18；
The second water pump 30, PTC heat exchanger 29, the second triple valve 28, the 6th three-way solenoid valve 53, second being sequentially connected
Plate heat exchanger 38, the 7th three-way solenoid valve 54, the 4th three-way solenoid valve 36, third three-way solenoid valve 35 and third triple valve
34 form connected loop；
Specific works mode are as follows: when battery surface temperature is low, battery does not need to cool down, so when should using PTC heat
The pre- thermal cell of device 29 guarantees that battery works in operating temperature range；Through the compressed high temperature and pressure refrigeration of the first compressor 17
The first plate heat exchanger 16 is passed through in agent, then enters by the port c of the second three-way solenoid valve 15, by the second electromagnetic three-way
The port b of valve 15 flows out, and discharges heat into environment subsequently into vehicle external heat exchanger 9 and becomes supercooled liquid, is removed using high temperature
Then the frost on 9 surface of vehicle external heat exchanger enters by the port c of the first three-way solenoid valve 7, by the first three-way solenoid valve 7
Port b outflow then become low-pressure low-temperature by the throttling of the second electric expansion valve 25 subsequently into the first solenoid valve 24
Refrigerant, exchange heat into third plate heat exchanger 42 with coolant liquid in battery cooling system, subsequently into gas-liquid separator
18, it is then return to the first compressor 17.PTC heat cycles liquid flows through ptc heater 29 under the action of the second water pump 30,
Heat is absorbed, is then entered by the port c of the second triple valve 28, flows out by the port a of the second triple valve 28, then passes through
The port c for crossing the 6th three-way solenoid valve 53 enters, and flows out by the port b of the 6th three-way solenoid valve 53, subsequently into second
Exchange heat in plate heat exchanger 38 with cryogenic liquid, the liquid that cool down then pass through the port b of the 7th three-way solenoid valve 54 into
Enter, flows out by the port c of the 7th three-way solenoid valve 54, then enter by the port a of the 4th three-way solenoid valve 36, pass through
The port b of 4th three-way solenoid valve 36 flows out, and enters by the port c of third three-way solenoid valve 35, by third electromagnetic three-way
The port b of valve 35 flows out, and then enters by the port b of third triple valve 34, flows out by the port c of third triple valve 34,
It is then return to the second water pump 30.Circulating battery liquid flows through battery heat exchange module 40 under the action of third water pump 39, absorbs
Then the heat of battery surface enters by the port b of the 4th triple valve 45, flow out by the port c of the 4th triple valve 45,
Into third plate heat exchanger 42, transfers heat to refrigerant and realize cooling, then pass through the end of the 5th three-way solenoid valve 41
Mouth b enters, and flows out by the port c of the 5th three-way solenoid valve 41, flows through the second plate heat exchanger 38, absorbs refrigerant heat,
It is then return to third water pump 39, realizes defrosting circulation.Second solenoid valve 26 is in close state in such a mode.
12, high-power fast charge operating condition battery refrigerating mode includes the first compressor 17, the first plate-type heat-exchange being sequentially connected
Device 16, the second three-way solenoid valve 15, vehicle external heat exchanger 9, the first three-way solenoid valve 7, the first solenoid valve 24, the second electronic expansion
Valve 25, third plate heat exchanger 42 and gas-liquid separator 18 form connected loop；
The 4th water pump 52, the 4th plate heat exchanger 51, the 6th three-way solenoid valve 53, the second plate-type heat-exchange being sequentially connected
Device 38 and the 7th three-way solenoid valve 54 form connected loop；
Third water pump 38, battery heat exchange module 40, the 4th triple valve 45, the third plate heat exchanger 42, being sequentially connected
Five three-way solenoid valves 41 and the second plate heat exchanger 38 form connected loop；
The second compressor 48, condenser 49, the 4th electric expansion valve 50 and 51 shape of the 4th plate heat exchanger being sequentially connected
At connected loop；
Specific works mode are as follows: when battery is under high-power fast charge operating condition, above-mentioned battery cooling circuit is not able to satisfy electricity
Pond radiating requirements, therefore supplement heat rejecter circuit is needed to improve battery cooling effect；Through the compressed high temperature and pressure of the second compressor 48
Refrigerant, which enters condenser 49 and discharges heat into environment, becomes supercooled liquid, right under the action of condenser radiator fan 55
Condenser 49 is cooled down, and then becomes the refrigerant of low-pressure low-temperature by the throttling of the 4th electric expansion valve 50, into the 4th
Plate heat exchanger 51, refrigerant suction PTC heat cycles liquid heat, is then return to the second compressor 48.PTC heat cycles
Liquid flows through the 4th plate heat exchanger 51 under the action of the 4th water pump 52, transfers heat to refrigerant, circulating liquid sheet
Body temperature reduces, and then enters by the port a of the 6th three-way solenoid valve 53, flows by the port b of the 6th three-way solenoid valve 53
Out, it exchanges heat subsequently into the second plate heat exchanger 38 with battery coolant liquid, absorbs coolant liquid heat, then by the 7th electricity
The port b of magnetic triple valve 54 enters, and flows out by the port a of the 7th three-way solenoid valve 54, is then return to the 4th water pump 52.And
And pass through the first plate heat exchanger 16 through the compressed high-temperature high-pressure refrigerant of the first compressor 17, then pass through the second electromagnetism
The port c of triple valve 15 enters, and flows out by the port b of the second three-way solenoid valve 15, subsequently into vehicle external heat exchanger 9 to ring
Heat is discharged in border and becomes supercooled liquid, is then entered by the port c of the first three-way solenoid valve 7, by the first electromagnetic three-way
The port b of valve 7 flows out, and subsequently into the first solenoid valve 24, it is low then to become low pressure by the throttling of the second electric expansion valve 25
The refrigerant of temperature, exchanges heat into third plate heat exchanger 42 with coolant liquid in battery cooling system, subsequently into gas-liquid separation
Device 18 is then return to the first compressor 17.Circulating battery liquid flows through battery heat exchange module under the action of third water pump 39
40, the heat of battery surface is absorbed, is then entered by the port b of the 4th triple valve 45, by the port of the 4th triple valve 45
C outflow transfers heat to refrigerant and realizes cooling, then pass through the 5th three-way solenoid valve into third plate heat exchanger 42
41 port b enters, and flows out by the port c of the 5th three-way solenoid valve 41, flows through the second plate heat exchanger 38, further will
Heat transfer is realized to PTC heat cycles liquid to cool down, and is then return to third water pump 39, realizes high-power fast charge operating condition battery
Cooling cycle.Second solenoid valve 26 is in close state in such a mode.
In another embodiment, further includes: the first expansion kettle 46 and the second expansion kettle 47；First expansion kettle 46 and
Three triple valves 34 are connected, while on the circuit between the 7th three-way solenoid valve 54 and the 4th three-way solenoid valve 36；Second expansion
Pot 47 is connected with the first triple valve 1 and motor radiator 10.
Although the embodiments of the present invention have been disclosed as above, but its institute not only in the description and the implementation
Column use, it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can hold
It changes places and realizes other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously
It is not limited to specific details and legend shown and described herein.
Claims (10)
1. a kind of heat-pump-type automotive air-conditioning system suitable for high-power fast charge operating condition characterized by comprising
The first compressor, the first plate heat exchanger, the second three-way solenoid valve, vehicle external heat exchanger, the first electromagnetism three being sequentially connected
Port valve, the first solenoid valve, the second electric expansion valve, third plate heat exchanger and gas-liquid separator form connected loop；
The 4th water pump, the 4th plate heat exchanger, the 6th three-way solenoid valve, the second plate heat exchanger and the 7th electromagnetism being sequentially connected
Triple valve forms connected loop；
Third water pump, battery heat exchange module, the 4th triple valve, the third plate heat exchanger, the 5th three-way solenoid valve being sequentially connected
Connected loop is formed with the second plate heat exchanger；
The second compressor, condenser, the 4th electric expansion valve and the 4th plate heat exchanger being sequentially connected form connected loop；
When the air-conditioning system is in high-power fast charge operating condition battery refrigerating mode, the three-way solenoid valve, the solenoid valve,
First compressor, the 4th water pump, the third water pump and second compressor are opened simultaneously carries out battery cooling.
2. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as described in claim 1, which is characterized in that also
Include:
The first compressor, the first plate heat exchanger, the second three-way solenoid valve, vehicle external heat exchanger, the first electromagnetism three being sequentially connected
Port valve, second solenoid valve, third electric expansion valve, evaporator and gas-liquid separator form connected loop；
When the air-conditioning system is in interior refrigeration mode, first compressor is opened, the 4th water pump, the third
Water pump and second compressor simultaneously close off, second three-way solenoid valve, first three-way solenoid valve and described second
Solenoid valve is opened simultaneously, and first solenoid valve is closed；
When the air-conditioning system is in interior refrigeration and battery refrigerating mode, first compressor and the third water pump are opened
It opens, second compressor and the 4th water pump simultaneously close off；5th three-way solenoid valve, second electromagnetic three-way
Valve, first three-way solenoid valve, the second solenoid valve and first solenoid valve are opened simultaneously.
3. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as described in claim 1, which is characterized in that also
Include:
Third water pump, battery heat exchange module, the 4th triple valve, battery radiator, the 5th three-way solenoid valve and being sequentially connected
Double-plate heat exchanger forms connected loop；
When the air-conditioning system is in the independent refrigerating mode of the first battery, first compressor and the third water pump are opened
It opens, second compressor and the 4th water pump simultaneously close off；Second three-way solenoid valve, first three-way solenoid valve
It is opened simultaneously with first solenoid valve, the second solenoid valve is closed；
When the air-conditioning system is in the independent refrigerating mode of the second battery, the third water pump is opened, first compressor,
Second compressor and the 4th water pump simultaneously close off；5th three-way solenoid valve is opened, and adjusts the described 5th
Three-way solenoid valve makes the battery radiator be connected with second plate heat exchanger.
4. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as described in claim 1, which is characterized in that also
Include:
The first water pump, charging system, DC power converter, motor control system, motor, the motor radiating being sequentially connected
Device and the first triple valve form connected loop；
When the air-conditioning system is in motor refrigerating mode, first compressor, the 4th water pump, the third water pump
It is simultaneously closed off with second compressor, first water pump is opened.
5. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as claimed in claim 4, which is characterized in that also
Include:
The second water pump, ptc heater, the second triple valve, interior radiator, the 4th three-way solenoid valve, the third electricity being sequentially connected
Magnetic triple valve and third triple valve form connected loop；
When the air-conditioning system is in PTC car heating mode, first compressor, the 4th water pump, the third
Water pump and second compressor simultaneously close off, and second water pump is opened, the 4th three-way solenoid valve and third electricity
Magnetic triple valve is opened simultaneously, and when adjusting the 4th three-way solenoid valve and the third three-way solenoid valve described in the second water pump
It is connected with the interior radiator；
When the air-conditioning system is in PTC battery preheating mode, first compressor, second compressor and described
Four water pumps simultaneously close off, and second water pump and the third water pump are opened simultaneously；5th three-way solenoid valve is opened, and
Adjusting the 5th three-way solenoid valve makes second plate heat exchanger be connected with the third plate heat exchanger, and the described 6th
Three-way solenoid valve is opened, and is adjusted the 6th three-way solenoid valve and made second plate heat exchanger and the ptc heater
It is connected, the 4th three-way solenoid valve, the third three-way solenoid valve and the 7th three-way solenoid valve are opened simultaneously, described in adjusting
4th three-way solenoid valve, the third three-way solenoid valve and the 7th three-way solenoid valve make second plate heat exchanger and described
Two water pumps are connected.
6. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as claimed in claim 5, which is characterized in that also
Include: the first electric expansion valve, is connected simultaneously with first plate heat exchanger and second three-way solenoid valve；
When the air-conditioning system is in heat pump car heating mode, the 4th water pump, the third water pump and described second
Compressor simultaneously closes off, and first compressor and second water pump are opened simultaneously, and the ptc heater is closed；Institute
It states the first three-way solenoid valve, second three-way solenoid valve and the third three-way solenoid valve while opening, adjust described first
Three-way solenoid valve makes the vehicle external heat exchanger be connected with first electric expansion valve, when adjusting second three-way solenoid valve
First electric expansion valve is connected with first plate heat exchanger, and adjusting the third three-way solenoid valve makes described second
Water pump is connected with first plate heat exchanger.
7. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as claimed in claim 6, which is characterized in that when
When the air-conditioning system is in the heating of heat pump car and PTC concurrent heating mode, the ptc heater is opened.
8. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as claimed in claim 5, which is characterized in that when
When the air-conditioning system is in the first defrosting mode, first compressor and the third water pump are opened, second compression
Machine and the 4th water pump simultaneously close off；Second three-way solenoid valve, first three-way solenoid valve and first electromagnetism
Valve is opened simultaneously, and the second solenoid valve is closed.
9. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as claimed in claim 8, which is characterized in that when
When the air-conditioning system is in the second defrosting mode, second water pump is opened, the third three-way solenoid valve, the 4th electromagnetism three
Port valve and the 6th three-way solenoid valve are opened simultaneously, adjust the third three-way solenoid valve and the 4th three-way solenoid valve make it is described
Second plate heat exchanger is connected with second water pump, and adjusting the 6th three-way solenoid valve makes second plate heat exchanger
It is connected with the ptc heater.
10. being suitable for the heat-pump-type automotive air-conditioning system of high-power fast charge operating condition as claimed in claim 5, which is characterized in that
Further include:
First expansion kettle is connected with the third triple valve, at the same with the 7th three-way solenoid valve and the 4th electromagnetism
On circuit between triple valve；
Second expansion kettle is connected with first triple valve and the motor radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810927254.6A CN109318679B (en) | 2018-08-15 | 2018-08-15 | Heat pump type automobile air conditioning system suitable for high-power quick-charging working condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810927254.6A CN109318679B (en) | 2018-08-15 | 2018-08-15 | Heat pump type automobile air conditioning system suitable for high-power quick-charging working condition |
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| CN109318679B CN109318679B (en) | 2020-07-03 |
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| CN112976999A (en) * | 2021-04-12 | 2021-06-18 | 吉林大学 | Integrated thermal management system for multi-heat-source direct-current energy storage device and control method |
| CN113147320A (en) * | 2021-04-23 | 2021-07-23 | 吉林大学 | Heat pump automobile air conditioning system |
| CN113580882A (en) * | 2021-09-08 | 2021-11-02 | 华为技术有限公司 | Thermal management system and vehicle |
| WO2021261320A1 (en) * | 2020-06-23 | 2021-12-30 | 株式会社ヴァレオジャパン | Vehicle cooling device |
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| CN109318679B (en) | 2020-07-03 |
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