CN201741773U - Cooling system of vehicle power battery - Google Patents
Cooling system of vehicle power battery Download PDFInfo
- Publication number
- CN201741773U CN201741773U CN201020236778XU CN201020236778U CN201741773U CN 201741773 U CN201741773 U CN 201741773U CN 201020236778X U CN201020236778X U CN 201020236778XU CN 201020236778 U CN201020236778 U CN 201020236778U CN 201741773 U CN201741773 U CN 201741773U
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- power battery
- vehicle power
- cooling
- gas circuit
- cooling system
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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 discloses a cooling system of a vehicle power battery, and belongs to the technical field of a thermal management system of the vehicle power battery. The cooling system comprises a reversing valve used for selecting a first input gas circuit and a second input gas circuit, and a cooling evaporator used for cooling the gas in the second input gas circuit; the cooling evaporator is positioned on a refrigerant circuit; the first input gas circuit is directly input into the atmosphere; and the output gas circuit of the reversing valve is transmitted to a vehicle power battery module. The cooling system has good cooling effect and satisfies the cooling requirement of the high-power power battery.
Description
Technical field
The utility model belongs to vehicle power battery thermal management system technical field, is specifically related to a kind of cooling system of vehicle power battery, relates in particular to a kind of cooling system that can select the vehicle power battery of the type of cooling according to variation of ambient temperature.
Background technology
For alleviating the automobile influence of ball environment pollution over the ground, the energy that electric automobile and hybrid vehicle etc. is stored with battery provides motive automotive engineering to develop rapidly.In electric automobile or the hybrid vehicle, must need to use the powerful electrokinetic cell of polylith (for example, power accumulator), electrokinetic cell is arranged by the rule assembling and is formed power battery module.The temperature of battery will inevitably directly influence the performance when battery operated, therefore, in electric automobile or hybrid vehicle, cooling system need be set in the vehicle power battery thermal management system so that battery module is lowered the temperature, so that it is operated in preferable temperature province.
Figure 1 shows that the cooling system structure schematic diagram of the vehicle power battery of prior art.As shown in Figure 1, the cooling system 100 of vehicle power battery comprises vehicle power battery module 130 and air blast 110, and this system adopts original cooling air mode, quickens Atmospheric Flow to promote 130 coolings of vehicle power battery module by air blast 110.This type of cooling is original simple, and cooling effect is poor, can not select the type of cooling according to the variation of ambient temperature, is suitable for the cooling of small-power electrokinetic cell or minitype motivation battery.Sometimes, for strengthening its cooling effect, it cools off employed atmosphere introduces in passenger compartment, and this type of cooling obviously influences the cooling effect in the passenger compartment, and big to the heat pump performance influence of passenger compartment.
In view of this, be necessary to design a kind of cooling system of novel vehicle power battery, to guarantee that powerful vehicle power battery is in preferable temperature work at powerful power battery module.
The utility model content
The technical problems to be solved in the utility model is, powerful vehicle power battery under the situation of changes in environmental conditions, the cooling effect of the cooling system of its vehicle power battery can satisfy the need of work of electrokinetic cell for a long time.
For solving above technical problem, the cooling system of the vehicle power battery that the utility model provides is used to cool off the vehicle power battery module, and the cooling system of vehicle power battery comprises:
Be used to select the reversal valve of the first input gas circuit and the second input gas circuit; And
Be used to cool off the cooling evaporator of the gas of the described second input gas circuit;
Described cooling evaporator is positioned on the refrigerant loop, and the first input gas circuit is directly imported atmosphere, and the output gas circuit of described reversal valve transfers to described vehicle power battery module.
The cooling system of the vehicle power battery that provides according to the utility model is provided with air blast on the output gas circuit of described reversal valve.Described reversal valve is controlled by the output signal of power battery management system.
As the preferred technique scheme, on the output gas circuit of described vehicle power battery module the one-way flow valve is set.Output gas circuit between described vehicle power battery module and the described one-way flow valve is provided with the gas circuit mouth so that gas stream is back to the described second input gas circuit after crossing described cooling evaporator.
As the preferred technique scheme, described refrigerant loop also comprises:
Break valve, it operationally stops cold-producing medium stream by described cooling evaporator; And
Heating power expansion valve, it is positioned at the upstream of described cooling evaporator.
Preferably, described refrigerant loop also comprises the electronic coolant compressor that is positioned on the described refrigerant loop, and described cooling evaporator is electronic cooling evaporator; Described electronic coolant compressor and electronic cooling evaporator are by described vehicle power battery module power supply.
Technique effect of the present utility model is, the cooling system of vehicle power battery can be selected the input gas circuit according to the variation of ambient temperature, when ambient temperature is higher, the vehicle power battery module can be by cooling evaporator institute cooling processing the gas of mistake cool off, therefore, good cooling results is adapted to the cooling needs in high-power drive pond.
Description of drawings
Fig. 1 is the cooling system structure schematic diagram of the vehicle power battery of prior art;
Fig. 2 is the example structure schematic diagram of the cooling system of the vehicle power battery that provides according to the utility model;
Fig. 3 is the another example structure schematic diagram of the cooling system of the vehicle power battery that provides according to the utility model.
Embodiment
What introduce below is a plurality of some in may embodiment of the present utility model, aims to provide basic understanding of the present utility model, but is not intended to confirm key of the present utility model or conclusive key element or limits claimed scope.
The example structure schematic diagram of the cooling system of the vehicle power battery that provides according to the utility model is provided, the cooling system 300 of this vehicle power battery is used for vehicle power battery module 330 is realized air cooling, the cooling system 300 of this vehicle power battery belongs to the part of vehicle power battery thermal management system, the input gas circuit of the heat radiation gas of its vehicle power battery module 330 is provided with reversal valve 350, reversal valve 350 has two input gas circuits 301 and 303, wherein, the first input gas circuit 301 is directly imported atmosphere, the gas that 303 inputs of the second input gas circuit were handled through supercooling evaporator 370.Cooling evaporator 370 belongs to the important component part of the cooling system 300 of vehicle power battery, and it can cool off the gas of being imported and offer vehicle power battery module 330 by reversal valve 350; Cooling evaporator 370 is positioned on the refrigerant loop 309.Can fail 305 unidirectional outputs from the output gas circuit of reversal valve from the gas of reversal valve 350 inputs, and accelerate to input to vehicle power battery module 330 through air blast 310 backs successively, thereby realize cooling effect the air cooling of vehicle power battery module 330.
Continue as shown in Figure 2, vehicle power battery module 330 is powerful electrokinetic cell relatively, and its caloric value when work is bigger, therefore needs good cooling system to be operated in suitable temperature range to guarantee it.Reversal valve 350 can be used to select the first input gas circuit and the second input gas circuit, and the control of its selection is by the output signal control of power battery management system 400.Need to prove, power battery management system 400 is provided with thermometer to measure the temperature of atmosphere, if in colder winter, ambient temperature is lower, power battery management system 400 can be according to the measurement feedback of its thermometer, send control signal and select the first input gas circuit 301 as the input gas circuit, therefore, vehicle power battery module 330 is realized cooling by atmosphere.If be operated in the higher temperature environment, for example, when summer, power battery management system 400 can send control signal and select the second input gas circuit 303 as the input gas circuit, therefore according to the measurement feedback of its thermometer, vehicle power battery module 330 is to realize cooling by the gas after 370 cooling processing of cooling evaporator, at this moment, cooling effect is better relatively, can satisfy the ambient temperature temperature rising cooling effect requirement of vehicle power battery later on.
Need to prove that reversal valve 350 is not limited to select the first input gas circuit 301 or the second input gas circuit 303 according to the feedback information of environmental problem, and wherein a kind of mode of selecting gas circuit more than just is described.Particularly, can also require to control reversal valve 350 according to the cooling effect of Vehicular battery module 330 to select the input gas circuit.Therefore, the concrete control principle of reversal valve 350 is not limited by the utility model embodiment.
The another example structure schematic diagram of the cooling system of the vehicle power battery that provides according to the utility model is provided; Comparison diagram 2 and shown in Figure 3 also is provided with break valve 371 and heating power expansion valve (TXV) 373 on the refrigerant loop 309, cold-producing medium can flow to cooling evaporator 370 through break valve 371 and heating power expansion valve 373 successively.Break valve 371 operationally stops cold-producing medium circulation supercooling evaporator 370.In addition, on refrigerant loop 309, also be provided with electronic coolant compressor (not shown).In this embodiment, coolant compressor and cooling evaporator 370 all can be electronic, and it can be powered to the two by vehicle power battery module 330, thereby makes cooling system 500 and vehicle power battery module 330 realize good fusion.
Continue as shown in Figure 3, the cooling system 300 of vehicle power battery also comprises one-way flow valve 390, and the output gas circuit 307 of vehicle power battery module 330 exports atmosphere to by flowing valve 390.Gas circuit between vehicle power battery module 330 and the flowing valve 390 is provided with opening, and the gas that flows through from vehicle power battery module 330 can flow to the second input gas circuit 303 after described opening flow to cooling evaporator 370, process cooling processing.
Above example has mainly illustrated the cooling system of vehicle power battery of the present utility model.Although only some of them execution mode of the present utility model is described, those of ordinary skills should understand, and the utility model can be in not departing from its purport and scope be implemented with many other forms.Therefore, example of being showed and execution mode are regarded as illustrative and not restrictive, and under situation about not breaking away from as defined the utility model spirit of appended each claim and scope, the utility model may be contained various modifications and replacement.
Claims (9)
1. the cooling system of a vehicle power battery is used to cool off the vehicle power battery module, it is characterized in that, the cooling system of described vehicle power battery comprises:
Be used to select the reversal valve of the first input gas circuit and the second input gas circuit; And
Be used to cool off the cooling evaporator of the gas of the described second input gas circuit;
Described cooling evaporator is positioned on the refrigerant loop, and the first input gas circuit is directly imported atmosphere, and the output gas circuit of described reversal valve transfers to described vehicle power battery module.
2. the cooling system of vehicle power battery as claimed in claim 1 is characterized in that, on the output gas circuit of described reversal valve air blast is set.
3. the cooling system of vehicle power battery as claimed in claim 1 is characterized in that, described reversal valve is controlled by the output signal of power battery management system.
4. the cooling system of vehicle power battery as claimed in claim 1 is characterized in that, on the output gas circuit of described vehicle power battery module the one-way flow valve is set.
5. the cooling system of vehicle power battery as claimed in claim 4, it is characterized in that the output gas circuit between described vehicle power battery module and the described one-way flow valve is provided with the gas circuit mouth so that gas stream is back to the described second input gas circuit after crossing described cooling evaporator.
6. the cooling system of vehicle power battery as claimed in claim 1 is characterized in that, described refrigerant loop also comprises:
Break valve, it operationally stops cold-producing medium stream by described cooling evaporator; And
Heating power expansion valve, it is positioned at the upstream of described cooling evaporator.
7. the cooling system of vehicle power battery as claimed in claim 6 is characterized in that, described refrigerant loop also comprises the electronic coolant compressor that is positioned on the described refrigerant loop.
8. the cooling system of vehicle power battery as claimed in claim 1 is characterized in that, described cooling evaporator is electronic cooling evaporator.
9. as the cooling system of claim 7 or 8 described vehicle power batteries, described electronic coolant compressor and electronic cooling evaporator are by described vehicle power battery module power supply.
Priority Applications (1)
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CN201020236778XU CN201741773U (en) | 2010-06-24 | 2010-06-24 | Cooling system of vehicle power battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201020236778XU CN201741773U (en) | 2010-06-24 | 2010-06-24 | Cooling system of vehicle power battery |
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CN201741773U true CN201741773U (en) | 2011-02-09 |
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CN201020236778XU Expired - Fee Related CN201741773U (en) | 2010-06-24 | 2010-06-24 | Cooling system of vehicle power battery |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103855439A (en) * | 2012-11-29 | 2014-06-11 | 上海汽车集团股份有限公司 | Cooling system of vehicle power battery |
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2010
- 2010-06-24 CN CN201020236778XU patent/CN201741773U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103855439A (en) * | 2012-11-29 | 2014-06-11 | 上海汽车集团股份有限公司 | Cooling system of vehicle power battery |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20190624 |
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CF01 | Termination of patent right due to non-payment of annual fee |