CN109818112A - A kind of the power battery liquid cooling plate and its implementation of interchangeable flow direction - Google Patents
A kind of the power battery liquid cooling plate and its implementation of interchangeable flow direction Download PDFInfo
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- CN109818112A CN109818112A CN201910068005.0A CN201910068005A CN109818112A CN 109818112 A CN109818112 A CN 109818112A CN 201910068005 A CN201910068005 A CN 201910068005A CN 109818112 A CN109818112 A CN 109818112A
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- Prior art keywords
- solenoid valve
- way reversing
- reversing solenoid
- water pipe
- connector
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- 239000007788 liquid Substances 0.000 title claims abstract description 73
- 238000001816 cooling Methods 0.000 title claims abstract description 68
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 11
- 229910052744 lithium Inorganic materials 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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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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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of power battery liquid cooling plates of interchangeable flow direction, including the cooling substrate being fitted on power battery marginal surface, pipeline assembly on cooling substrate is set, it is connected between cooling substrate and pipeline assembly, for changing liquid flow direction, and the first four-way reversing solenoid valve and the second four-way reversing solenoid valve to match each other, one end is connect with the first four-way reversing solenoid valve, and the other end is inserted into the first connector in the cooling substrate, one end is connect with the second four-way reversing solenoid valve, and the other end is inserted into the second connector in the cooling substrate, and it is provided in cooling substrate, it is connect respectively with first connector and the second connector, and in the liquid stream road of palisade convolution closure connection.The invention also discloses a kind of implementation methods of the power battery liquid cooling plate of interchangeable flow direction.Through the above scheme, the present invention has many advantages, such as that structure is simple, liquid flow direction is variable.
Description
Technical field
The present invention relates to technical field of new energy, the power battery liquid cooling plate of especially a kind of interchangeable flow direction and in fact
Existing method.
Background technique
With the continuous enhancing of increasingly serious and people's environmental consciousness of Energy situation in global range, as new energy
Lithium battery is got more and more attention.Lithium battery is often used as the power of electric car because its energy density is high, cycle characteristics is good
Source.It is generally known that electric car in the process of moving can not timing there is powerful charge and discharge phenomena, in the process, lithium
Battery can be with more serious fever phenomenon.And the operation of lithium battery must be within the temperature range of design, running temperature mistake
It is high or it is too low all can working performance to lithium battery and service life adversely affect, while being also easy to bring safety hidden
Suffer from.The type of cooling of traditional new-energy automobile lithium battery is broadly divided into natural cooling, forced air cooling, three kinds of liquid cooling, wherein from
Right cooling is that the heat exchange between air and battery using flowing is radiated, and cooling effect is poor.In addition, forced air cooling
It is to be taken away the heat that lithium battery generates, the heat on the outer layer lithium battery surface that can only scatter and disappear by adding cooling fan.No matter
It is natural cooling or forced air cooling, since air cooling system can not thoroughly solve the problems, such as the sealing protection of battery system entirety, and
And heat exchange efficiency is lower, temperature uniformity is poor, the shortcomings such as easy condensation and dewfall.At the same time, liquid cooling system is with cooling
Liquid is medium, carries out conduction heat exchange by place of liquid cooling plate.Liquid cooling technology is convenient for because of heat exchange efficiency height, thermal field distribution uniform
High-grade water proof and dust proof design, is increasingly being applied to the field of heat management of power battery.But power battery is on the whole
Macroscopical thermal field consistency can not really reflect each region, the thermal field homogeneity on each mould group is microcosmic.Specific manifestation is mould
The central temperature of block or mould group is higher than its temperature outside, and a gradient is presented and successively decreases outward, heats and the both of which that radiates
Under thermal field gradient demand it is inconsistent etc..General liquid cooling plate is straight channel, and temperature gradient is in attenuation trend in flow direction, is not inconsistent
Close the requirement of battery system temperature uniformity.
Therefore, on urgent need proposes that a kind of structure is simple, meets different temperatures gradient demand, realization electrokinetic cell system is microcosmic
The power battery liquid cooling plate of the homogeneity of thermal field.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of power battery liquid cooling plate of interchangeable flow direction and its realizations
Method, The technical solution adopted by the invention is as follows:
A kind of power battery liquid cooling plate of interchangeable flow direction, including the cooling substrate being fitted on power battery marginal surface,
Pipeline assembly on cooling substrate is set, is connected between cooling substrate and pipeline assembly, flowed to for changing liquid and is mutual
The the first four-way reversing solenoid valve and the second four-way reversing solenoid valve to match, one end and the first four-way reversing solenoid valve connect
Connect and the other end be inserted into the first connector in the cooling substrate, one end connect with the second four-way reversing solenoid valve and
The other end is inserted into the second connector in the cooling substrate, and is provided in cooling substrate, connect respectively with described first
Head connects with the second connector and in the liquid stream road of palisade convolution closure connection.
Further, the cooling substrate includes the bottom plate for opening up liquid stream road, is fastened on the bottom plate and is used for
The cover board of first four-way reversing solenoid valve, the second four-way reversing solenoid valve, the first connector and the second connector is installed.
Further, the pipeline assembly includes that both ends are connected to the first four-way reversing solenoid valve and the second four-way
Between reversing solenoid valve and C-shape and opposite the first water pipe and the second water pipe laid, it is connected to the first four-way commutation electromagnetism
Third water pipe between valve and the first connector, and be connected between the second four-way reversing solenoid valve and the second connector
Four water pipes.
Preferably, the structure of the first four-way reversing solenoid valve and the second four-way reversing solenoid valve is identical, and described
The bottom setting of two four-way reversing solenoid valves is for installing pedestal on the cover board.
Further, the first connecting portion connecting with the first connector, and the liquid stream road are set on the liquid stream road
It is upper that the second connecting portion connecting with the second connector is set.
A kind of implementation method of the power battery liquid cooling plate of interchangeable flow direction, comprising the following steps:
Refrigerating mode: the Spool rotating of the first four-way reversing solenoid valve of driving, and make the first four-way reversing solenoid valve through the
Three water pipes are connected to liquid stream road；Meanwhile the Spool rotating of the second four-way reversing solenoid valve is driven, make the second four-way reversing solenoid valve
It is connected to through the 4th water pipe with liquid stream road；Coolant liquid is successively through the second four-way reversing solenoid valve, the 4th water pipe, liquid stream road, third water
Pipe and the first four-way reversing solenoid valve constitute the coolant circuit of power battery.
Heating mode: the Spool rotating of the first four-way reversing solenoid valve of driving, and it is connected to the first water pipe with third water pipe；
Meanwhile the Spool rotating rotation of the second four-way reversing solenoid valve is driven, it is connected to the second water pipe with the 4th water pipe；The liquid of heating
Successively through the second four-way reversing solenoid valve, the first water pipe, the first four-way reversing solenoid valve, third water pipe, liquid stream road, the 4th water
Pipe, the second four-way reversing solenoid valve, the second water pipe and the first four-way reversing solenoid valve constitute the heating circuit of power battery.
Compared with prior art, the invention has the following advantages:
It is total that liquid stream road, the first four-way reversing solenoid valve, the second four-way reversing solenoid valve and pipeline is dexterously arranged in the present invention
At, by lithium battery generate operation heat take away or for lithium battery heat, to guarantee that lithium battery is run within the scope of design temperature.
Wherein, the present invention realizes the change of flow direction, guarantees that the temperature of electrokinetic cell system is equal by setting four-way reversing solenoid valve
One property.Liquid stream road in the present invention is the convolution palisade of symmetrical structure, and in cooling or heating, liquid is divided into two, and is realized equal
Cooling or heating is also able to achieve the microcosmic upper thermal field of electrokinetic cell system while heat dissipation, the heating properties for guaranteeing power battery
Homogeneity.Through the above scheme, the present invention has many advantages, such as that structure is simple, liquid flow direction is variable, in new-energy automobile technology
Field has very high practical value and promotional value.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the attached drawing used required in embodiment
It is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to protection
The restriction of range to those skilled in the art without creative efforts, can also be attached according to these
Figure obtains other relevant attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of cooling substrate of the invention.
Fig. 3 is the structural schematic diagram of pipeline assembly of the invention.
Fig. 4 is the structural schematic diagram of bottom plate of the invention.
Fig. 5 is the structural schematic diagram of the first four-way reversing solenoid valve of the invention.
Fig. 6 is refrigerating mode liquid flow graph of the present invention.
Fig. 7 is heating mode liquid flow graph of the present invention.
In above-mentioned attached drawing, the corresponding component names of appended drawing reference are as follows:
1- cools down substrate, 2- pipeline assembly, 3- the first four-way reversing solenoid valve, 4- the second four-way reversing solenoid valve, 5- the
One connector, the second connector of 6-, 10- bottom plate, 11- cover board, 12- first connecting portion, 13- second connecting portion, 14- liquid stream road,
The first water pipe of 21-, the second water pipe of 22-, 23- third water pipe, the 4th water pipe of 24-, 40- pedestal.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application apparent, with reference to the accompanying drawings and examples to the present invention
It is described further, embodiments of the present invention include but is not limited to the following example.Based on the embodiment in the application, ability
Domain those of ordinary skill every other embodiment obtained without making creative work, belongs to the application
The range of protection.
Embodiment
As shown in Figures 1 to 7, the power battery liquid cooling plate for present embodiments providing a kind of interchangeable flow direction, needs to illustrate
It is that the serial numbers term such as " first " described in the present embodiment, " second ", " third " is only used for distinguishing same item, cannot understands
The specific restriction of pairs of protection scope.In the present embodiment, which includes being fitted in power battery Surface Edge
The pipeline assembly 2 on cooling substrate 1 is arranged in cooling substrate 1 on edge, be connected between cooling substrate 1 and pipeline assembly 2,
For changing liquid flow direction and the identical first four-way reversing solenoid valve 3 of structure and the second four-way reversing solenoid valve 4, one end with
The first four-way reversing solenoid valve 3 connects and the other end is inserted into the first connector 5 in the cooling substrate 1, one end and institute
It states the connection of the second four-way reversing solenoid valve 4 and the other end is inserted into the second connector 6 in the cooling substrate 1, and be provided with
It is connect in cooling substrate 1, respectively with first connector 5 and the second connector 6 and in the liquid stream of palisade convolution closure connection
Road 14.Wherein, which includes the bottom plate 10 for opening up liquid stream road 14, is fastened on the bottom plate 10 and is used for
The cover board 11 of first four-way reversing solenoid valve 3, the second four-way reversing solenoid valve 4, the first connector 5 and the second connector 6 is installed.
At the same time, the pedestal 40 for being mounted on cover board 11 is set in the bottom of the second four-way reversing solenoid valve 4.In addition, in liquid
The first connecting portion 12 connecting with the first connector 5 is set on runner 14, and setting and the second connector 6 on liquid stream road 14
The second connecting portion 12 of connection.
In the present embodiment, which includes that both ends are connected to the first four-way reversing solenoid valve 3 and second
Between four-way reversing solenoid valve 4 and C-shape and opposite the first water pipe 21 and the second water pipe 22 laid, it is connected to the one or four
Third water pipe 23 between logical reversing solenoid valve 3 and the first connector 5, and it is connected to the second four-way reversing solenoid valve 4 and the
The 4th water pipe 24 between two connectors 6.
It is briefly described as follows the assembling process of power battery liquid cooling plate:
Step 1: the first four-way reversing solenoid valve and the second four-way reversing solenoid valve are installed on cooling substrate by bolt
On, direction is opposite for a interface of the first four-way reversing solenoid valve and the second four-way reversing solenoid valve, and c interface direction is cooling
The outside of substrate.
Step 2: by pipeline assembly and the first four-way reversing solenoid valve, the second four-way reversing solenoid valve and cooling substrate into
Row connection.Specifically: the end m of third water pipe is connected with a interface of the first four-way reversing solenoid valve, the end n and the first connector phase
Even；The end g of first water pipe is connected with the d interface of the first four-way reversing solenoid valve, and the end h and the b of the second four-way reversing solenoid valve connect
Mouth is connected；The end e of second water pipe is connected with the b interface of the first four-way reversing solenoid valve, the end f and the second four-way reversing solenoid valve
D interface is connected；The end j of 4th water pipe is connected with a interface of the second four-way reversing solenoid valve, and the end k is connected with the second connector.
It is briefly described as follows the course of work of power battery liquid cooling plate:
(1) refrigerating mode:
The first four-way reversing solenoid valve, the second four-way reversing solenoid valve are controlled, a interface of the first four-way reversing solenoid valve is made
With c orifice, b interface and d interface are closed；Make a interface and c orifice of the second four-way reversing solenoid valve, b interface and d
Interface is closed.
As shown in fig. 6, arrow direction indicates liquid flow path direction in figure.Specific flow direction are as follows: cooling coolant liquid is via the two or four
The c interface of logical reversing solenoid valve flows into, then successively connects by a interface of the second four-way reversing solenoid valve, the 4th water pipe and second
Connector, into the second connecting portion in liquid stream road.Coolant liquid is divided into left and right two-way at this time, flow to the first company respectively along liquid stream road
Socket part.Using a interface of the first connector, third water pipe and the second four-way reversing solenoid valve, through the first four-way commutation electromagnetism
The c interface of valve flows out.
(2) heating mode:
The first four-way reversing solenoid valve, the second four-way reversing solenoid valve are controlled, the b interface of the first four-way reversing solenoid valve is made
With c orifice, a interface and d orifice；Make the b interface and c orifice of the second four-way reversing solenoid valve, a interface and d
Orifice.
As shown in fig. 7, arrow direction indicates liquid flow path direction in figure.Specific flow direction are as follows: the coolant liquid of heating is via the two or four
The c interface of logical reversing solenoid valve flows into, then successively passes through b interface, the first water pipe, the first four-way of the second four-way reversing solenoid valve
D interface and a interface, the third water pipe and the first connector of reversing solenoid valve, into the first connecting portion in liquid stream road.Coolant liquid point
For left and right two-way, second connecting portion is flow to respectively along liquid stream road.Using the second connector, the 4th water pipe, the second four-way
The b interface of a interface and d interface of reversing solenoid valve, the second water pipe and the first four-way reversing solenoid valve commutates through the first four-way
The c interface of solenoid valve flows out.
In the process, external coolant liquid is to flow into from the c interface of the second four-way reversing solenoid valve, is changed from the first four-way
It is flowed out to the c interface of solenoid valve, the original arrangement of cooling system can't be changed, only by changing the commutation of the first four-way of solenoid valve
The communication path of solenoid valve and the second four-way reversing solenoid valve changes the position into liquid cooling plate of coolant liquid.
Above-described embodiment is merely a preferred embodiment of the present invention, and it is not intended to limit the protection scope of the present invention, as long as using
Design principle of the invention, and the non-creative variation worked and made is carried out on this basis, it should belong to of the invention
Within protection scope.
Claims (6)
1. a kind of power battery liquid cooling plate of interchangeable flow direction, which is characterized in that including being fitted on power battery marginal surface
The pipeline assembly (2) on cooling substrate (1) is arranged in cooling substrate (1), be connected to cooling substrate (1) and pipeline assembly (2) it
Between, for changing liquid flow direction and the first four-way reversing solenoid valve (3) and the second four-way reversing solenoid valve (4) that match each other,
One end is connect with the first four-way reversing solenoid valve (3) and the other end is inserted into the first connector in the cooling substrate (1)
(5), one end is connect with the second four-way reversing solenoid valve (4) and second in the other end insertion cooling substrate (1) connects
Connector (6), and be provided in cooling substrate (1), connect respectively with first connector (5) and the second connector (6) and
It circles round in palisade and is closed the liquid stream road (14) of connection.
2. a kind of power battery liquid cooling plate of interchangeable flow direction according to claim 1, which is characterized in that the cooling substrate
It (1) include for opening up the bottom plate of liquid stream road (14) (10), being fastened on the bottom plate (10) and being changed for installing the first four-way
To solenoid valve (3), the second four-way reversing solenoid valve (4), the first connector (5) and the second connector (6) cover board (11).
3. a kind of power battery liquid cooling plate of interchangeable flow direction according to claim 1, which is characterized in that pipeline assembly (2)
It is connected to including both ends between the first four-way reversing solenoid valve (3) and the second four-way reversing solenoid valve (4) and C-shape
And opposite the first water pipe (21) and the second water pipe (22) laid, it is connected to the first four-way reversing solenoid valve (3) and is connect with first
Third water pipe (23) between head (5), and be connected between the second four-way reversing solenoid valve (4) and the second connector (6)
4th water pipe (24).
4. a kind of power battery liquid cooling plate of interchangeable flow direction according to claim 2, which is characterized in that first four-way
Reversing solenoid valve (3) is identical with the structure of the second four-way reversing solenoid valve (4), and the second four-way reversing solenoid valve (4)
The pedestal (40) for being mounted on cover board (11) is arranged in bottom.
5. a kind of power battery liquid cooling plate of interchangeable flow direction according to claim 4, which is characterized in that the liquid stream road
(14) first connecting portion (12) connecting with the first connector (5) is set on, and setting connects with second on the liquid stream road (14)
The second connecting portion (12) of connector (6) connection.
6. a kind of implementation method of the power battery liquid cooling plate of interchangeable flow directions described in any item according to claim 1 ~ 5, special
Sign is, comprising the following steps:
Refrigerating mode: the Spool rotating of the first four-way reversing solenoid valve (3) of driving, and pass through the first four-way reversing solenoid valve (3)
Third water pipe (23) is connected to liquid stream road (14)；Meanwhile the Spool rotating of the second four-way reversing solenoid valve (4) is driven, make second
Four-way reversing solenoid valve (4) is connected to through the 4th water pipe (24) with liquid stream road (14)；Coolant liquid is successively through the second four-way commutation electromagnetism
Valve (4), the 4th water pipe (24), liquid stream road (14), third water pipe (23) and the first four-way reversing solenoid valve (3) constitute power battery
Coolant circuit；
Heating mode: the Spool rotating of the first four-way reversing solenoid valve (3) of driving, and make the first water pipe (21) and third water pipe
(23) it is connected to；Meanwhile the Spool rotating rotation of the second four-way reversing solenoid valve (4) is driven, make the second water pipe (22) and the 4th water
Manage (24) connection；The liquid of heating successively commutates through the second four-way reversing solenoid valve (4), the first water pipe (21), the first four-way electric
Magnet valve (3), third water pipe (23), liquid stream road (14), the 4th water pipe (24), the second four-way reversing solenoid valve (4), the second water pipe
(22) and the first four-way reversing solenoid valve (3) constitute power battery heating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068005.0A CN109818112B (en) | 2019-01-24 | 2019-01-24 | Working method of flow-direction-changeable power battery liquid cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068005.0A CN109818112B (en) | 2019-01-24 | 2019-01-24 | Working method of flow-direction-changeable power battery liquid cooling plate |
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| Publication Number | Publication Date |
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| CN109818112A true CN109818112A (en) | 2019-05-28 |
| CN109818112B CN109818112B (en) | 2024-03-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492196A (en) * | 2019-08-02 | 2019-11-22 | 广州小鹏汽车科技有限公司 | Heat management system, vehicle, conversion equipment and thermal management algorithm |
| CN114927792A (en) * | 2022-05-12 | 2022-08-19 | 广汽埃安新能源汽车有限公司 | Cooling device, temperature difference adjusting method, power battery module and electric vehicle |
| WO2024066315A1 (en) * | 2022-09-27 | 2024-04-04 | 中国第一汽车股份有限公司 | Power battery temperature control method, system, apparatus and vehicle |
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| CN108682921A (en) * | 2018-07-02 | 2018-10-19 | 山东大学 | A kind of batteries of electric automobile heat management system based on phase-change material soaking and heat-storage technology |
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| CN209472084U (en) * | 2019-01-24 | 2019-10-08 | 浙江新吉奥汽车有限公司 | A kind of power battery liquid cooling plate of interchangeable flow direction |
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| CN110492196A (en) * | 2019-08-02 | 2019-11-22 | 广州小鹏汽车科技有限公司 | Heat management system, vehicle, conversion equipment and thermal management algorithm |
| CN114927792A (en) * | 2022-05-12 | 2022-08-19 | 广汽埃安新能源汽车有限公司 | Cooling device, temperature difference adjusting method, power battery module and electric vehicle |
| CN114927792B (en) * | 2022-05-12 | 2024-04-02 | 广汽埃安新能源汽车有限公司 | Cooling device, temperature difference adjusting method, power battery module and electric vehicle |
| WO2024066315A1 (en) * | 2022-09-27 | 2024-04-04 | 中国第一汽车股份有限公司 | Power battery temperature control method, system, apparatus and vehicle |
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