CN208028190U - A kind of cooling device for batteries of electric automobile and a kind of charging pile - Google Patents
A kind of cooling device for batteries of electric automobile and a kind of charging pile Download PDFInfo
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- CN208028190U CN208028190U CN201820233726.3U CN201820233726U CN208028190U CN 208028190 U CN208028190 U CN 208028190U CN 201820233726 U CN201820233726 U CN 201820233726U CN 208028190 U CN208028190 U CN 208028190U
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- circuit
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- heat exchanger
- cooling device
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a kind of cooling device for batteries of electric automobile and a kind of charging pile, the cooling device includes at least one cooling circuit, at least one refrigerating circuit and an at least First Heat Exchanger, the First Heat Exchanger is serially connected with the cooling circuit and refrigerating circuit, and the first working medium in the cooling circuit passes through the First Heat Exchanger heat exchange with the second working medium in the refrigerating circuit；The cooling device is connect with the electric vehicle, the cooling circuit and vehicle-mounted circuit communication one performance loop of composition with battery heat exchange in the electric vehicle, the refrigerating circuit cools down the first working medium in the cooling circuit by the First Heat Exchanger, first working medium the performance loop internal circulation flow and with the battery heat exchange with the cooling battery.Battery is cooled down in batteries of electric automobile quick charge after adopting the above technical scheme, realizing, is kept it in zone of reasonableness.
Description
Technical field
The utility model is related to batteries of electric automobile domain of control temperature more particularly to a kind of for batteries of electric automobile
Cooling device and a kind of charging pile.
Background technology
With the development of automotive engineering, the occupation rate of electric vehicle in the car is higher and higher, and electric vehicle is with battery
For power, need often to charge.It is used in order to facilitate user, the demand of electric vehicle rapid charging is also increasing, however fast
The calorific value of battery is larger when speed charging, and existing on-vehicle battery liquid cooling mode cannot be satisfied its cooling requirements, to limit
Charging current has been made, charging rate is affected.
A kind of thinking for solving above-mentioned technical problem is a kind of high power vehicular cooling system of exploitation, this vehicle-mounted cooling system
The rated power of system is 2-3 times of original vehicle-mounted cooling system, while the weight of vehicle-mounted cooling system dramatically increases, and causes electronic
Automobile course continuation mileage declines.In addition, state when this scheme is only applicable to quick charge, for the vehicle of normally travel
Design excessively redundancy, while improving cost.
Therefore need to design a kind of new cooling device for batteries of electric automobile and a kind of charging pile, it can be quick
The temperature of the battery of electric vehicle is set to be maintained at zone of reasonableness when charging.
Utility model content
In order to overcome above-mentioned technological deficiency, the purpose of this utility model is to provide a kind of for the cold of batteries of electric automobile
But device and a kind of charging pile can make the temperature of battery be maintained at zone of reasonableness in the quickly charging battery of electric vehicle.
The utility model discloses a kind of cooling device for batteries of electric automobile, the cooling device includes at least one
A cooling circuit, at least one refrigerating circuit and an at least First Heat Exchanger, the First Heat Exchanger are serially connected with described cool back
Road and refrigerating circuit, the first working medium in the cooling circuit are changed with the second working medium in the refrigerating circuit by described first
Hot device heat exchange；The cooling device is connect with the electric vehicle, in the cooling circuit and the electric vehicle with electricity
The vehicle-mounted circuit communication of pond heat exchange constitutes a performance loop, and the refrigerating circuit is cooled down described cold by the First Heat Exchanger
But the first working medium in circuit, first working medium the performance loop internal circulation flow and with the battery heat exchange with cold
The battery.
Preferably, the refrigerating circuit includes：Second heat exchanger is serially connected in the refrigerating circuit, with external environment heat
It exchanges；Compressor is serially connected in the refrigerating circuit, compresses second working medium；When the refrigerating circuit work, described first
Heat exchanger is evaporator, second heat exchanger be condenser, second working medium the refrigerating circuit internal circulation flow with
Refrigeration.
Preferably, the refrigerating circuit further includes：Fan is set on the outside of second heat exchanger, is exchanged heat for described second
Device provides air-flow.
Preferably, the refrigerating circuit further includes：Expansion valve is serially connected in the refrigerating circuit, adjusts described freeze back
The flow on road.
Preferably, the cooling circuit includes：Connector is serially connected in the cooling circuit, for in electric vehicle
Vehicle-mounted circuit connection, makes the cooling circuit and the vehicle-mounted circuit communication；Pump, is serially connected in the cooling circuit, makes described
First working medium circulation flows.
Preferably, the cooling circuit further includes：Short circuit branch is connected across the both sides of the connector；Triple valve is serially connected with
The either side of the connector, and connect with the either end of the short circuit branch；An at least cold-storage tank is serially connected with the cooling circuit
It is interior；When the connector is not connect with the electric vehicle, the triple valve is connected to the short circuit branch and the cooling circuit
With by connector short circuit, for first working medium in the cooling circuit internal circulation flow, the refrigerating circuit cooling is described cold
But the first working medium in circuit, the cold-storage tank store the first working medium after cooling；When the connector and the electric vehicle connect
When connecing, the triple valve is connected to the connector and the cooling circuit, the cooling circuit with it is vehicle-mounted in the electric vehicle
Circuit communication constitutes the performance loop, the cold-storage tank discharge first working medium the performance loop internal circulation flow with
The cooling battery.
Preferably, temperature sensor is equipped in the cold-storage tank；The entrance of the cold-storage tank or outlet are equipped with a solenoid valve；
When the connector is not connect with the electric vehicle, the solenoid valve is opened, the refrigerating circuit cools down first working medium,
The cold-storage tank stores first working medium, when the temperature that the temperature sensor detects the first working medium in the cold-storage tank is less than
When one temperature threshold, the refrigerating circuit stops refrigeration, closes the solenoid valve.
Preferably, the cold-storage tank uses vacuum heat-insulating plate as heat-insulating material.
Preferably, the First Heat Exchanger is plate heat exchanger.
The invention also discloses a kind of charging piles, including above-mentioned cooling device.
After using above-mentioned technical proposal, compared with prior art, have the advantages that：
1. realization cools down battery in batteries of electric automobile quick charge, keep it in zone of reasonableness；
2. support in a short time cools down the battery of multiple electric vehicles, without waiting.
Description of the drawings
Fig. 1 is the structural schematic diagram for meeting cooling device in one preferred embodiment of the utility model；
Fig. 2 is the cold-storage working state schematic representation for meeting cooling device in one preferred embodiment of the utility model；
Fig. 3 is the cooling work status diagram for meeting cooling device in one preferred embodiment of the utility model.
Reference numeral：
10- charging units, 11- short circuit branch, 12- charging plugs, 13- refrigerating circuits, 14- cooling circuits, 15- connectors,
16- compressors, 17- expansion valves, the second heat exchangers of 18-, 19- First Heat Exchangers, 20- fans, 21- pumps, 22- cold-storage tanks, 23- tri-
Port valve, 24- solenoid valves.
Specific implementation mode
The advantages of the utility model is expanded on further below in conjunction with attached drawing and specific embodiment.
Refering to fig. 1, to meet the structural schematic diagram of cooling device in one preferred embodiment of the utility model, for electronic
The battery of automobile is cooled down.The cooling device includes：
Cooling circuit 14
The cooling circuit 14 is set in the cooling device, inside there is the first working medium.First working medium can be cold
But liquid, Huo Zheshui.
Refrigerating circuit 13
The refrigerating circuit 13 is set in the cooling device, works as low-temperature receiver, inside there is the second working medium.Described second
Working medium can be refrigerant, and phase-state change occurs during the work time.
First Heat Exchanger 19
The First Heat Exchanger 19 is set in the cooling device, is serially connected with the cooling circuit 14 and refrigerating circuit 13,
The first working medium in the cooling circuit 14 passes through 19 heat of the First Heat Exchanger with the second working medium in the refrigerating circuit 13
It exchanges.The First Heat Exchanger 19 is preferably plate heat exchanger.
It is connect with the electric vehicle when cooling device work, in the cooling circuit 14 and the electric vehicle
A performance loop is constituted with the vehicle-mounted circuit communication of battery heat exchange, the refrigerating circuit 13 is cold by the First Heat Exchanger 19
The first working medium in the cooling circuit 14, first working medium the performance loop internal circulation flow and with the battery
Heat exchange is with the cooling battery.It, can be by the cooling device and the electric vehicle when the electric vehicle stopping for charging
Connection is used as medium by first working medium and controls the temperature of the battery in the reasonable scope.Said program realizes
Battery is cooled down outside electric vehicle, the cost for avoiding vehicle-mounted cooling device increases.First working medium may be selected
Working medium identical with vehicle-mounted coolant liquid, to keep stable cooling effect, potential risk caused by avoiding different working medium from mixing.
The cooling device can both be used as independent equipment, can also be integrated in charging pile, as charging pile
A part, used so as to synchronous during charging, reduce equipment volume.It is charging in dotted portion in Fig. 1
The internal structure of stake, which further includes charging unit 10 and charging plug 12.
Specifically, the refrigerating circuit 13 includes：
- the second heat exchanger 18
Second heat exchanger 18 is serially connected in the refrigerating circuit 13, with external environment heat exchange.Second heat exchange
Device 18 makes full use of the temperature of external environment standing on outdoor.
Compressor 16
The compressor 16 is serially connected in the refrigerating circuit 13, compresses second working medium.
When the refrigerating circuit 13 works, the First Heat Exchanger 19 is evaporator, and second heat exchanger 18 is condensation
Device, second working medium is in 13 internal circulation flow of the refrigerating circuit to freeze.
Further, the refrigerating circuit 13 further includes：
Fan 20
The fan 20 is set to second heat exchanger, 18 outside, provides air-flow for second heat exchanger 18, obtains more
Heat exchange effect well.
Expansion valve 17
The expansion valve 17 is serially connected in the refrigerating circuit 13, adjusts the flow of the refrigerating circuit 13.
As being further improved for the cooling device, the cooling circuit 14 includes：
Connector 15
The connector 15 is serially connected in the cooling circuit 14, for being connect with the vehicle-mounted circuit in electric vehicle, makes institute
Cooling circuit 14 and the vehicle-mounted circuit communication are stated, to constitute performance loop.
Pump 21
The pump 21 is serially connected in the cooling circuit 14, and first working medium circulation is made to flow.
Further, the cooling circuit 14 further includes：
Short circuit branch 11
The short circuit branch 11 is connected across the both sides of the connector 15.
Triple valve 23
The triple valve 23 is serially connected with the either side of the connector 15, and is connect with the either end of the short circuit branch 11.
Cold-storage tank 22
The cold-storage tank 22 is serially connected in the cooling circuit 14, is made of heat-insulating material, such as vacuum heat-insulating plate, can be protected
The temperature of the first working medium stored in it is held to preserve cold or heat.
When the connector 15 is not connect with the electric vehicle, the triple valve 23 is connected to the short circuit branch 11 and institute
Cooling circuit 14 is stated so that by 15 short circuit of the connector, first working medium is in 14 internal circulation flow of the cooling circuit, the system
Cold loop 13 cools down the first working medium in the cooling circuit 14, and the cold-storage tank 22 stores the first working medium after cooling.Work as institute
When stating connector 15 and being connect with the electric vehicle, the triple valve 23 is connected to the connector 15 and the cooling circuit 14, described
Cooling circuit 14 constitutes the performance loop, the release cooling of the cold-storage tank 22 with the vehicle-mounted circuit communication in the electric vehicle
The first working medium afterwards, first working medium is in the performance loop internal circulation flow with the cooling battery.After this programme is implemented,
The cooling device section can carry out energy storage during idle time, when there is more electric vehicles to need charging, freeze back without waiting
Road 13 starts work, is directly cooled down to the battery of electric vehicle using the cold-storage tank 22, shortens the stand-by period, short
Time interior energy cools down the battery of more electric vehicles, convenient and efficient.The refrigerating circuit 13 can optionally select not
It works or the low-temperature receiver as supplement works.
As being further improved for the cooling device, temperature sensor is equipped in the cold-storage tank 22, the temperature passes
Sensor can be set to top, middle part or bottom in the cold-storage tank 22, with the first working medium in cold-storage tank described in complete detection 22
Temperature.The entrance of the cold-storage tank 22 or outlet are equipped with solenoid valve 24, and the storage is flowed in or out to control first working medium
Cold tank 22.When the connector 15 is not connect with the electric vehicle, the solenoid valve 24 is opened to allow first working medium
The cold-storage tank 22 is flowed into, the refrigerating circuit 13 cools down first working medium, and the cold-storage tank 22 stores first working medium.
When the temperature that the temperature sensor detects the first working medium in the cold-storage tank 22 is less than a temperature threshold, the refrigerating circuit
13 stop refrigeration, close the solenoid valve 24.The temperature threshold can be 10 degrees Celsius.This improvement embodiment is passed by temperature
Sensor carrys out the energy storage of cold-storage tank 22 described in feedback control, and the refrigerating circuit 13 works so that 22 energy storage of the cold-storage tank, works as institute
State the first working medium in cold-storage tank 22 temperature it is too low when, stop refrigeration.Above technical scheme realizes energy saving technology effect
Fruit makes the temperature of the first working medium in the cold-storage tank 22 be maintained at reasonably range, avoids being subcooled.
Referring to Fig.2, to meet the cold-storage working state schematic representation of cooling device in one preferred embodiment of the utility model, it should
Figure shows the working condition that cold-storage is carried out using the cold-storage tank 22.When the cooling device is not connect with electric vehicle,
The cooling circuit 14 and refrigerating circuit 13 can utilize the period in leisure to work with cold-storage.As can be seen from Figure 2 described to freeze back
The second working medium in road 13 flows in the counterclockwise direction, and second heat exchanger 18 is condenser, the First Heat Exchanger at this time
19 be evaporator, and the refrigerating circuit 13 works in refrigerating state, and the cooling circuit is cooled down by the First Heat Exchanger 19
The first working medium in 14.The triple valve 23 is connected to the short circuit branch 11 and the cooling circuit 14, makes 15 quilt of the connector
Short-circuit (dotted line is shown as in figure), the cooling circuit 14 constitute the circuit of self-loopa, and 21 work of the pump makes described first
Working medium is opened in 14 internal circulation flow of the cooling circuit, the solenoid valve 24, and the first working medium after cooling is stored in the storage
In cold tank 22.When the case where summer needing often cooling battery, if stopping or charging without electric vehicle, the cooling device
Cold-storage can be carried out, to quickly enter working condition when electric vehicle arrives.
It, should to meet the cooling work status diagram of cooling device in one preferred embodiment of the utility model refering to Fig. 3
When figure shows that the cooling device is connect with electric vehicle, cooling working condition is carried out to the battery.Institute is shown in Fig. 3
It states triple valve 23 and is connected to the connector 15 and the cooling circuit 14, so that vehicle-mounted circuit is constituted the work with cooling circuit 14 and return
Road, the solenoid valve 24 are opened, and the cold-storage tank 22 discharges the first working medium cooled down with the cooling battery.It is described to freeze back
Road 13 can optionally work as supplement low-temperature receiver.
It should be noted that the embodiments of the present invention have preferable implementation, and not the utility model is appointed
The limitation of what form, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above
Same effective embodiment, as long as without departing from the content of technical solutions of the utility model, according to the technical essence of the utility model pair
Any modification or equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by above example.
Claims (10)
1. a kind of cooling device for batteries of electric automobile, which is characterized in that
The cooling device includes at least one cooling circuit, at least one refrigerating circuit and an at least First Heat Exchanger, described
First Heat Exchanger is serially connected with the cooling circuit and refrigerating circuit, the first working medium in the cooling circuit and the refrigerating circuit
The second interior working medium passes through the First Heat Exchanger heat exchange；
The cooling device is connect with the electric vehicle, in the cooling circuit and the electric vehicle with battery heat exchange
Vehicle-mounted circuit communication constitute a performance loop, the refrigerating circuit passes through the First Heat Exchanger and cools down in the cooling circuit
The first working medium, first working medium the performance loop internal circulation flow and with the battery heat exchange with the cooling electricity
Pond.
2. cooling device as described in claim 1, which is characterized in that
The refrigerating circuit includes：
Second heat exchanger is serially connected in the refrigerating circuit, with external environment heat exchange；
Compressor is serially connected in the refrigerating circuit, compresses second working medium；
When refrigerating circuit work, the First Heat Exchanger is evaporator, and second heat exchanger is condenser, described second
Working medium is in the refrigerating circuit internal circulation flow to freeze.
3. cooling device as claimed in claim 2, which is characterized in that
The refrigerating circuit further includes：
Fan is set on the outside of second heat exchanger, air-flow is provided for second heat exchanger.
4. cooling device as claimed in claim 2 or claim 3, which is characterized in that
The refrigerating circuit further includes：
Expansion valve is serially connected in the refrigerating circuit, adjusts the flow of the refrigerating circuit.
5. cooling device as described in any one of claims 1-3, which is characterized in that
The cooling circuit includes：
Connector is serially connected in the cooling circuit, for connect with the vehicle-mounted circuit in electric vehicle, make the cooling circuit and
The vehicle-mounted circuit communication；
Pump, is serially connected in the cooling circuit, and first working medium circulation is made to flow.
6. cooling device as claimed in claim 5, which is characterized in that
The cooling circuit further includes：
Short circuit branch is connected across the both sides of the connector；
Triple valve is serially connected with the either side of the connector, and is connect with the either end of the short circuit branch；
An at least cold-storage tank is serially connected in the cooling circuit；
When the connector is not connect with the electric vehicle, the triple valve is connected to the short circuit branch and the cooling circuit
With by connector short circuit, for first working medium in the cooling circuit internal circulation flow, the refrigerating circuit cooling is described cold
But the first working medium in circuit, the cold-storage tank store the first working medium after cooling；
When the connector is connect with the electric vehicle, the triple valve is connected to the connector and the cooling circuit, described
Cooling circuit constitutes the performance loop, the cold-storage tank release described first with the vehicle-mounted circuit communication in the electric vehicle
Working medium is in the performance loop internal circulation flow with the cooling battery.
7. cooling device as claimed in claim 6, which is characterized in that
Temperature sensor is equipped in the cold-storage tank；
The entrance of the cold-storage tank or outlet are equipped with a solenoid valve；
When the connector is not connect with the electric vehicle, the solenoid valve, the refrigerating circuit cooling described first are opened
Working medium, the cold-storage tank stores first working medium, when the temperature sensor detects the temperature of the first working medium in the cold-storage tank
When degree is less than a temperature threshold, the refrigerating circuit stops refrigeration, closes the solenoid valve.
8. cooling device as claimed in claims 6 or 7, which is characterized in that
The cold-storage tank is using vacuum heat-insulating plate as heat-insulating material.
9. cooling device as claimed in claim 2 or claim 3, which is characterized in that
The First Heat Exchanger is plate heat exchanger.
10. a kind of charging pile, which is characterized in that including cooling device as described in any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233726.3U CN208028190U (en) | 2018-02-09 | 2018-02-09 | A kind of cooling device for batteries of electric automobile and a kind of charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233726.3U CN208028190U (en) | 2018-02-09 | 2018-02-09 | A kind of cooling device for batteries of electric automobile and a kind of charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208028190U true CN208028190U (en) | 2018-10-30 |
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ID=63904810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820233726.3U Active CN208028190U (en) | 2018-02-09 | 2018-02-09 | A kind of cooling device for batteries of electric automobile and a kind of charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208028190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183283A (en) * | 2018-02-09 | 2018-06-19 | 上海爱斯达克汽车空调***有限公司 | A kind of cooling device for batteries of electric automobile and a kind of charging pile |
| CN112930095A (en) * | 2021-03-10 | 2021-06-08 | 广州高澜创新科技有限公司 | Charging station temperature regulation and control system and regulation and control method |
-
2018
- 2018-02-09 CN CN201820233726.3U patent/CN208028190U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183283A (en) * | 2018-02-09 | 2018-06-19 | 上海爱斯达克汽车空调***有限公司 | A kind of cooling device for batteries of electric automobile and a kind of charging pile |
| CN108183283B (en) * | 2018-02-09 | 2024-07-23 | 上海爱斯达克汽车空调***有限公司 | Cooling device for electric automobile battery and charging pile |
| CN112930095A (en) * | 2021-03-10 | 2021-06-08 | 广州高澜创新科技有限公司 | Charging station temperature regulation and control system and regulation and control method |
| CN112930095B (en) * | 2021-03-10 | 2023-03-14 | 广州高澜创新科技有限公司 | Charging station temperature regulation and control system and regulation and control method |
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