CN208615672U - Thermal management system of electric automobile - Google Patents
Thermal management system of electric automobile Download PDFInfo
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- CN208615672U CN208615672U CN201820899595.2U CN201820899595U CN208615672U CN 208615672 U CN208615672 U CN 208615672U CN 201820899595 U CN201820899595 U CN 201820899595U CN 208615672 U CN208615672 U CN 208615672U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000004378 air conditioning Methods 0.000 claims abstract description 27
- 239000002826 coolant Substances 0.000 claims abstract description 14
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims description 26
- 238000009833 condensation Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 230000001932 seasonal effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
-
- 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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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a kind of thermal management system of electric automobile, which is characterized in that including refrigerant circuit and coolant circuit, the refrigerant circuit includes low-pressure oil storage, compressor, condenser and the first evaporator and the second evaporator；Coolant circuit includes battery pack, motor inverter, the cooling line of motor three, coolant liquid water tank, electronic water pump, PTC water heater and the second evaporator, First Heat Exchanger and the second heat exchanger, the outlet end of PTC water heater is separately connected the second evaporator, the second three-way control valve, and the another two-way of the second three-way control valve is separately connected First Heat Exchanger, the second heat exchanger；First evaporator, First Heat Exchanger are set in air conditioning box body.The utility model can judge automatically operational mode according to environment temperature, and realize automatic switchover, different heat management operational modes can be used according to Various Seasonal, realize the comprehensive utilization of energy of electric car heat management, increase the course continuation mileage of electric vehicle to greatest extent.
Description
Technical field
The utility model relates to a kind of thermal management system of electric automobile, belong to electric automobile air conditioner technical field.
Background technique
With environmental pollution and the growing tension of petroleum resources, the development of conventional fuel oil automobile is increasingly restricted, newly
Type electric car is current most promising alternative solution, and electric car is developing as important one of road vehicles.
Electric car is different from traditional fuel-engined vehicle, and currently, electric car is there is also several technological challenges, and 1) electricity
Electrical automobile does not have engine exhaust heat, and the heat source selection that the winter heating of air-conditioning has lacked can largely effect on electricity using electrothermal heating
The course continuation mileage of motor-car；2) battery can generate a large amount of heat in charge and discharge process, in order to guarantee the safety of battery, need
These are discharged in time, that is, needs to guarantee the temperature environment of cell safety work；3) other energy consumption equipments of electric car, such as
Motor and its inverter drive, requiring cooling well just can guarantee works fine.
The air-conditioning system of electric car and battery cooling are usually independent design at present, can largely effect on electric vehicle in this way
Course continuation mileage.It is different with the independent air-conditioning system of orthodox car, only the heat of the various equipment of electric car is integrated
Management, could not only can guarantee the safe operation of electric car, but also can increase the course continuation mileage of electric vehicle to greatest extent.
Utility model content
The technical problem to be solved by the utility model is to how to integrate air-conditioning/heating of electric car, battery pack it is cold
But, the cooling of motor and its inverter carries out integrated thermal management to these equipment, and that improves the energy to greatest extent utilizes effect
Rate increases the course continuation mileage of electric car.
To solve the above-mentioned problems, the utility model provides a kind of thermal management system of electric automobile, which is characterized in that packet
Refrigerant circuit and coolant circuit are included, the refrigerant circuit successively includes low-pressure oil storage, compressor, condenser and parallel connection
The the first evaporator gas circuit and the second evaporator gas circuit of connection, are equipped with the first expansion valve, the between the first evaporator and condenser
One solenoid valve is equipped with the second expansion valve, second solenoid valve between the second evaporator and condenser；The coolant circuit successively wraps
Include the cooling line of battery pack, the cooling line of motor inverter, the cooling line of motor, coolant liquid water tank, electronic water pump,
PTC water heater and the second evaporator water route, First Heat Exchanger and the second heat exchanger being connected in parallel, PTC water heater go out
Mouthful end is separately connected the second evaporator, the second three-way control valve by the first three-way control valve, and another the two of the second three-way control valve
Road is separately connected First Heat Exchanger, the second heat exchanger；Second heat exchanger, condenser side be equipped with condensation fan, second heat exchange
Device, condenser, condensation fan are arranged successively by gas flow direction；First evaporator, First Heat Exchanger are set in air conditioning box body,
Air conditioning box body is equipped with fresh air inlet, return air inlet and air outlet, and damper one is equipped between fresh air inlet and return air inlet, empty
It adjusts in cabinet and is successively arranged air-conditioning draught fan, the first evaporator, First Heat Exchanger and ptc heater by gas flow direction.
Preferably, the arrival end of the low-pressure oil storage is equipped with pressure sensor；It is equipped at the fresh air inlet of air conditioning box body
Fresh air temperature sensor is equipped with return air temperature sensor at return air inlet；The arrival end of battery pack cooling line is equipped with the first temperature
Spend sensor；Second temperature sensor is equipped in battery pack cooling line；Battery pack cooling line and motor inverter cooling tube
Third temperature sensor is equipped between road；The outlet end of motor cooling line is equipped with the 4th temperature sensor.These sensors are used
In the adjusting of electronic water pump, the first three-way control valve, the second three-way control valve, compressor rotary speed.
Preferably, second expansion valve uses heating power expansion valve, and the temperature sensing package of heating power expansion valve is set to the second evaporator
Outlet end, for controlling the degree of superheat of the second evaporator outlet end.
Preferably, when summer mode operation, the state of first three-way control valve is that only PTC water heater and second steams
It is connected between hair device, the first solenoid valve, the first expansion valve, second solenoid valve, the second expansion valve are in an open state；Winter mode
When operation, the state of the first three-way control valve is only to be connected between PTC water heater and the second three-way control valve, the second threeway tune
Section tri- tunnel Fa is connected to, and the first solenoid valve, the first expansion valve, second solenoid valve, the second expansion valve are in off state；Transition
When season mode operation, the state of the first three-way control valve is only to be connected between PTC water heater and the second three-way control valve, second
The state of three-way control valve is only to be connected between the first three-way control valve and the second heat exchanger, the first solenoid valve, the first expansion valve
It is in off state, second solenoid valve, the second expansion valve are in an open state.
Preferably, it is set between First Heat Exchanger and ptc heater in the air conditioning box body there are two channel, one of them is logical
Internal condensation device is equipped in road, two channels are switched by damper two；Third threeway is connected between compressor and condenser
The third road of regulating valve, third three-way control valve is connected to the arrival end of internal condensation device, and the outlet end of internal condensation device passes through
Third expansion valve is connected to the arrival end of condenser, and the outlet end of condenser passes through the entrance of third solenoid valve and low-pressure oil storage
End connection.
It is highly preferred that the third expansion valve is electric expansion valve.
It is highly preferred that the state of first three-way control valve is only PTC water heater and second when summer mode operation
It is connected between evaporator, the state of third three-way control valve is only to be connected between compressor and condenser, the first solenoid valve, first
Expansion valve, second solenoid valve, the second expansion valve are in an open state, and third expansion valve, third solenoid valve are in off state, and are adjusted
Air door two passes through gas from the channel for being not provided with internal condensation device；When winter mode is run, the state of the first three-way control valve
To be only connected between PTC water heater and the second three-way control valve, three tunnels of the second three-way control valve are connected to, third threeway tune
The state of section valve is only to be connected between compressor and internal condensation device, the first solenoid valve, the first expansion valve, second solenoid valve, the
Two expansion valves are in off state, and third expansion valve, third solenoid valve are in an open state, and damper two keeps gas interior from being equipped with
The channel of portion's condenser is passed through；When conditioning in Transition Season mode operation, the state of the first three-way control valve is that three tunnels are connected to, the second threeway
The state of regulating valve is only to be connected between the first three-way control valve and the second heat exchanger, and the state of third three-way control valve is only to press
It being connected between contracting machine and condenser, the first solenoid valve, the first expansion valve, third expansion valve, third solenoid valve are in off state, the
Two solenoid valves, the second expansion valve are in an open state, and damper two passes through gas from the channel for being not provided with internal condensation device.
The temperature range feature that the utility model works according to each component of electric car, in conjunction with the air-conditioning system of electric car
System, devises a kind of heat management system of electric car, has not only realized air-conditioning/heating needs of electric car, but also can be preferable
Battery pack and motor and inverter are cooled down.
The heat management system of the utility model can judge automatically operational mode according to environment temperature, and realize and cut automatically
It changes, different heat management operational modes can be used according to Various Seasonal, realize the comprehensive utilization of energy of electric car heat management,
Increase the course continuation mileage of electric vehicle to greatest extent.
Detailed description of the invention
Fig. 1 is the schematic diagram for the single cold type thermal management system of electric automobile that embodiment 1 provides；
Effective pipeline schematic diagram when Fig. 2 is single cold type thermal management system of electric automobile summer mode operation；
Fig. 3 is effective pipeline schematic diagram when single cold type thermal management system of electric automobile winter mode is run；
Effective pipeline schematic diagram when Fig. 4 is single cold type thermal management system of electric automobile conditioning in Transition Season mode operation；
Fig. 5 is the schematic diagram for the pump type heat thermal management system of electric automobile that embodiment 2 provides；
Effective pipeline schematic diagram when Fig. 6 is pump type heat thermal management system of electric automobile summer mode operation；
Fig. 7 is effective pipeline schematic diagram when pump type heat thermal management system of electric automobile winter mode is run；
Effective pipeline schematic diagram when Fig. 8 is pump type heat thermal management system of electric automobile conditioning in Transition Season mode operation.
Specific embodiment
To be clearer and more comprehensible the utility model, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
Embodiment 1
As shown in Figure 1, being a kind of single cold type thermal management system of electric automobile provided in this embodiment comprising single cold type system
Refrigerant circuit and coolant circuit.Single cold type refrigerant circuit includes motor compressor 1, condenser 2, the first solenoid valve 4, first
Expansion valve 5, the first evaporator 6, low-pressure oil storage 7, second solenoid valve 8, the second expansion valve 9 and the second evaporator 10, second steams
Hair device 10 is plate-type evaporator.The outlet end of motor compressor 1 is connect with the arrival end of condenser 2, the outlet end point of condenser 2
It at two-way, is connect respectively with the arrival end of the first solenoid valve 4, second solenoid valve 8, the outlet end of the first solenoid valve 4 and first swollen
The arrival end of swollen valve 5 connects, and the outlet end of the first expansion valve 5 is connect with the arrival end of 6 gas circuit of the first evaporator；Second solenoid valve
8 outlet end is connect with the arrival end of the second expansion valve 9, the second outlet end of expansion valve 9 and entering for 10 gas circuit of the second evaporator
The connection of mouth end；The outlet end of 10 gas circuit of first evaporator 6 and the second evaporator is converged to be connected with the arrival end of low-pressure oil storage 7 afterwards
It connects, the outlet end of low-pressure oil storage 7 is connect with the air entry of motor compressor 1.
Coolant circuit includes electronic water pump 21, PTC water heater 22, the first three-way control valve 23, the second evaporator 10
Water loop, the second three-way control valve 24, the First Heat Exchanger 25 in air-conditioning box, second heat exchanger arranged side by side with condenser 2
12,14 cooling line of battery pack, 17 cooling line of motor inverter, 18 cooling line of motor and coolant liquid water tank 20, condenser 2
A condensation fan 3 is shared with the second heat exchanger 12.The outlet end of electronic water pump 21 and the arrival end of PTC water heater 22 connect
It connects, the outlet end of PTC water heater 22 is connect with the arrival end of the first three-way control valve 23, the outlet of the first three-way control valve 23
End is divided into two-way, and the arrival end with 10 water route of the second evaporator connects all the way, the entrance of another way and the second three-way control valve 24
End connection, the outlet end of the second three-way control valve 24 is again divided into two-way, connect all the way with the arrival end of First Heat Exchanger 25, separately
It is connect all the way with the arrival end of the second heat exchanger 12, the outlet end of the second heat exchanger 12, the outlet end of First Heat Exchanger 25, second
The outlet end in 10 water route of evaporator pools together, and then connect with the arrival end of 14 cooling line of battery pack, battery pack 14 is cold
But the outlet end of pipeline is connect with the arrival end of the cooling line of motor inverter 17, the outlet of 17 cooling line of motor inverter
End is connect with the arrival end of 18 cooling line of motor, and the outlet end of 18 cooling line of motor and the arrival end of coolant liquid water tank 20 connect
It connects, the outlet end of coolant liquid water tank 20 is connect with the arrival end of electronic water pump 21.
First evaporator 6, First Heat Exchanger 25 are set in air conditioning box body, and air conditioning box body is equipped with fresh air inlet, return air inlet
And air outlet (including blow head air port and blow foot air port), it is equipped with damper 1 between fresh air inlet and return air inlet, adjusts
The ratio of air door one 29 adjustable return air and fresh air.In air conditioning box body by gas flow direction be successively arranged air-conditioning draught fan 30,
First evaporator 6, First Heat Exchanger 25 and ptc heater 26.
The heat management system of the utility model also sets up multiple temperature and pressure sensors, is used for electronic water pump 21, first
The adjusting of three-way control valve 23, the second three-way control valve 24,1 revolving speed of compressor: the arrival end of low-pressure oil storage 7 is equipped with pressure
Sensor 11；It is equipped with fresh air temperature sensor 28 at the fresh air inlet of air conditioning box body, is equipped with return air temperature at return air inlet and senses
Device 27；The arrival end of 14 cooling line of battery pack is equipped with the first temperature sensor 13；Second is equipped in 14 cooling line of battery pack
Temperature sensor 15；Third temperature sensor 16 is equipped between 17 cooling line of 14 cooling line of battery pack and motor inverter；
The outlet end of 18 cooling line of motor is equipped with the 4th temperature sensor 19.
There are three types of modes for above system:
When summer mode operation, the state of the first three-way control valve 23 is only PTC water heater 22 and the second evaporator 10
Between be connected to, the first solenoid valve 4, the first expansion valve 5, second solenoid valve 8, the second expansion valve 9 are in an open state (such as Fig. 2 institute
Show)；
When winter mode is run, the state of the first three-way control valve 23 is that only PTC water heater 22 and the second threeway are adjusted
It is connected between valve 24, three tunnels of the second three-way control valve 24 are connected to, the first solenoid valve 4, the first expansion valve 5, second solenoid valve
8, the second expansion valve 9 is in off state (as shown in Figure 3)；
When conditioning in Transition Season mode operation, the state of the first three-way control valve 23 is only PTC water heater 22 and the second threeway tune
It is connected between section valve 24, the state of the second three-way control valve 24 is only between the first three-way control valve 23 and the second heat exchanger 12
Connection, the first solenoid valve 4, the first expansion valve 5 are in off state, and second solenoid valve 8, the second expansion valve 9 are in an open state (as schemed
Shown in 4).
Embodiment 2
As shown in figure 5, pump type heat thermal management system of electric automobile provided in this embodiment comprising hot pump type means for refrigeration agent is returned
Road and coolant circuit.Not only summer can provide air-conditioning for electric car service on buses or trains cabin in hot pump type means for refrigeration agent circuit, and winter may be used also
To provide heating demand for service on buses or trains cabin, realizes winter saving energy operation, increase electric vehicle course continuation mileage.Hot pump type means for refrigeration agent circuit with
Single cold type refrigerant circuit in embodiment 1 the difference is that, the outlet end of motor compressor 1 is adjusted by third threeway
Valve 31 is divided into two-way, connect all the way with the arrival end of condenser 2, another way be located at air-conditioning box intracorporal internal condensation device 34
Arrival end connection, the outlet end of internal condensation device 34 are connect with the arrival end of third expansion valve 32, the outlet of third expansion valve 32
End is connect with the arrival end of condenser 2, and the outlet end of condenser 2 passes through the arrival end of third solenoid valve 33 and low-pressure oil storage 7
Connection.Internal condensation device 34 is located in air conditioning box body between First Heat Exchanger 25 and ptc heater 26, channel point between the two
At two parts, internal condensation device 34 is located in one of in channel, and conversion is realized by damper 2 35 in two channels.
There are three types of modes for above system:
When summer mode operation, the state of the first three-way control valve 23 is only PTC water heater 22 and the second evaporator 10
Between be connected to, the state of third three-way control valve 31 is only to be connected between compressor 1 and condenser 2, the first solenoid valve 4, first
Expansion valve 5, second solenoid valve 8, the second expansion valve 9 are in an open state, and third expansion valve 32, third solenoid valve 33 are to close shape
State, damper 2 35 make gas pass through (as shown in Figure 6) from the channel for being not provided with internal condensation device 34；
When winter mode is run, the state of the first three-way control valve 23 is that only PTC water heater 22 and the second threeway are adjusted
It is connected between valve 24, three tunnels of the second three-way control valve 24 are connected to, and the state of third three-way control valve 31 is only compressor 1
It is connected between internal condensation device 34, the first solenoid valve 4, the first expansion valve 5, second solenoid valve 8, the second expansion valve 9 are to close
Closed state, third expansion valve 32, third solenoid valve 33 are in an open state, and damper 2 35 makes gas from equipped with internal condensation
(as shown in Figure 7) is passed through in the channel of device 34；
When conditioning in Transition Season mode operation, the state of the first three-way control valve 23 is that three tunnels are connected to, the second three-way control valve 24
State be connected between the first three-way control valve 23 and the second heat exchanger 12, the state of third three-way control valve 31 is only to compress
It is connected between machine 1 and condenser 2, the first solenoid valve 4, the first expansion valve 5, third expansion valve 32, third solenoid valve 33 are to close
State, second solenoid valve 8, the second expansion valve 9 are in an open state, and damper 2 35 makes gas from being not provided with internal condensation device 34
Channel pass through (as shown in Figure 8).
Claims (7)
1. a kind of thermal management system of electric automobile, which is characterized in that including refrigerant circuit and coolant circuit, the refrigerant
Circuit successively include low-pressure oil storage (7), compressor (1), condenser (2) and the first evaporator (6) gas circuit for being connected in parallel with
Second evaporator (10) gas circuit is equipped with the first expansion valve (5), the first solenoid valve between the first evaporator (6) and condenser (2)
(4), the second expansion valve (9), second solenoid valve (8) are equipped between the second evaporator (10) and condenser (2)；The coolant liquid is returned
Road successively includes the cooling line, cold of the cooling line of battery pack (14), the cooling line of motor inverter (17), motor (18)
But liquid water tank (20), electronic water pump (21), PTC water heater (22) and the second evaporator (10) water route being connected in parallel, first
The outlet end of heat exchanger (25) and the second heat exchanger (12), PTC water heater (22) passes through the first three-way control valve (23) difference
The second evaporator (10), the second three-way control valve (24) are connected, the another two-way of the second three-way control valve (24) is separately connected first
Heat exchanger (25), the second heat exchanger (12)；Second heat exchanger (12), condenser (2) side be equipped with condensation fan (3), second
Heat exchanger (12), condenser (2), condensation fan (3) are arranged successively by gas flow direction；First evaporator (6), the first heat exchange
Device (25) is set in air conditioning box body, and air conditioning box body is equipped with fresh air inlet, return air inlet and air outlet, fresh air inlet and return air inlet
Between be equipped with damper one (29), is successively arranged air-conditioning draught fan (30), the first evaporation by gas flow direction in air conditioning box body
Device (6), First Heat Exchanger (25) and ptc heater (26).
2. thermal management system of electric automobile as described in claim 1, which is characterized in that the entrance of the low-pressure oil storage (7)
End is equipped with pressure sensor (11)；Fresh air temperature sensor (28) are equipped at the fresh air inlet of air conditioning box body, are set at return air inlet
There are return air temperature sensor (27)；The arrival end of battery pack (14) cooling line is equipped with the first temperature sensor (13)；Battery pack
(14) second temperature sensor (15) are equipped in cooling line；Battery pack (14) cooling line and motor inverter (17) cooling tube
Third temperature sensor (16) are equipped between road；The outlet end of motor (18) cooling line is equipped with the 4th temperature sensor (19).
3. thermal management system of electric automobile as described in claim 1, which is characterized in that second expansion valve (9) is using heat
Power expansion valve, the temperature sensing package of heating power expansion valve are set to the outlet end of the second evaporator (10).
4. thermal management system of electric automobile as claimed in claim 1 or 2, which is characterized in that when summer mode operation, described
The state of one three-way control valve (23) is only to be connected between PTC water heater (22) and the second evaporator (10), the first solenoid valve
(4), the first expansion valve (5), second solenoid valve (8), the second expansion valve (9) are in an open state；When winter mode is run, first
The state of three-way control valve (23) is only to be connected between PTC water heater (22) and the second three-way control valve (24), the second threeway
Three tunnels of regulating valve (24) are connected to, the first solenoid valve (4), the first expansion valve (5), second solenoid valve (8), the second expansion valve
(9) it is in off state；When conditioning in Transition Season mode operation, the state of the first three-way control valve (23) is only PTC water heater (22)
Be connected between the second three-way control valve (24), the state of the second three-way control valve (24) be only the first three-way control valve (23) with
Second heat exchanger is connected between (12), and the first solenoid valve (4), the first expansion valve (5) are in off state, second solenoid valve (8),
Two expansion valves (9) are in an open state.
5. thermal management system of electric automobile as claimed in claim 1 or 2, which is characterized in that first changes in the air conditioning box body
It is set between hot device (25) and ptc heater (26) there are two channel, equipped with internal condensation device (34) in one of channel, two
Channel is switched by damper two (35)；It is connected between compressor (1) and condenser (2) third three-way control valve (31), the
The third road of three three-way control valves (31) is connected to the arrival end of internal condensation device (34), and the outlet end of internal condensation device (34) is logical
Third expansion valve (32) is crossed to be connected to the arrival end of condenser (2), the outlet end of condenser (2) by third solenoid valve (33) with
The arrival end of low-pressure oil storage (7) is connected to.
6. thermal management system of electric automobile as claimed in claim 5, which is characterized in that the third expansion valve (32) is electronics
Expansion valve；Second evaporator (10) is plate-type evaporator.
7. thermal management system of electric automobile as claimed in claim 5, which is characterized in that when summer mode operation, described first
The state of three-way control valve (23) is only to be connected between PTC water heater (22) and the second evaporator (10), and third threeway is adjusted
The state of valve (31) is only to be connected between compressor (1) and condenser (2), the first solenoid valve (4), the first expansion valve (5), second
Solenoid valve (8), the second expansion valve (9) are in an open state, and third expansion valve (32), third solenoid valve (33) are in off state,
Damper two (35) passes through gas from the channel for being not provided with internal condensation device (34)；When winter mode is run, the first threeway
The state of regulating valve (23) is only to be connected between PTC water heater (22) and the second three-way control valve (24), and the second threeway is adjusted
Three tunnels of valve (24) are connected to, and the state of third three-way control valve (31) is only between compressor (1) and internal condensation device (34)
Connection, the first solenoid valve (4), the first expansion valve (5), second solenoid valve (8), the second expansion valve (9) are in off state, third
Expansion valve (32), third solenoid valve (33) are in an open state, and damper two (35) makes gas from equipped with internal condensation device (34)
Channel pass through；When conditioning in Transition Season mode operation, the state of the first three-way control valve (23) is that three tunnels are connected to, and the second threeway is adjusted
Valve (24) is only to be connected between the first three-way control valve (23) and the second heat exchanger (12), the state of third three-way control valve (31)
Be connected between only compressor (1) and condenser (2), the first solenoid valve (4), the first expansion valve (5), third expansion valve (32),
Third solenoid valve (33) is in off state, and second solenoid valve (8), the second expansion valve (9) are in an open state, damper two (35)
Pass through gas from the channel for being not provided with internal condensation device (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899595.2U CN208615672U (en) | 2018-06-11 | 2018-06-11 | Thermal management system of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899595.2U CN208615672U (en) | 2018-06-11 | 2018-06-11 | Thermal management system of electric automobile |
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| CN208615672U true CN208615672U (en) | 2019-03-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705912A (en) * | 2018-06-11 | 2018-10-26 | 上海威乐汽车空调器有限公司 | A kind of thermal management system of electric automobile |
| CN114683808A (en) * | 2022-06-02 | 2022-07-01 | 山东科技大学 | Pure electric vehicle coupling thermal management system containing phase change heat storage |
| WO2023029577A1 (en) * | 2021-09-01 | 2023-03-09 | 浙江吉利控股集团有限公司 | Electric vehicle and thermal management device thereof |
-
2018
- 2018-06-11 CN CN201820899595.2U patent/CN208615672U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705912A (en) * | 2018-06-11 | 2018-10-26 | 上海威乐汽车空调器有限公司 | A kind of thermal management system of electric automobile |
| CN108705912B (en) * | 2018-06-11 | 2024-06-18 | 上海威乐汽车空调器有限公司 | Electric automobile thermal management system |
| WO2023029577A1 (en) * | 2021-09-01 | 2023-03-09 | 浙江吉利控股集团有限公司 | Electric vehicle and thermal management device thereof |
| CN114683808A (en) * | 2022-06-02 | 2022-07-01 | 山东科技大学 | Pure electric vehicle coupling thermal management system containing phase change heat storage |
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Address after: 314000 No. 1888, Dongfeng Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Weile New Energy Compressor Co.,Ltd. Country or region after: China Address before: 201600 No.1, Weile Road, Jiuting Town, Songjiang District, Shanghai Patentee before: SHANGHAI VELLE AUTOMOBILE AIR CONDITIONER CO.,LTD. Country or region before: China |
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