CN207426076U - A kind of battery liquid cooling apparatus - Google Patents
A kind of battery liquid cooling apparatus Download PDFInfo
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- CN207426076U CN207426076U CN201721479214.7U CN201721479214U CN207426076U CN 207426076 U CN207426076 U CN 207426076U CN 201721479214 U CN201721479214 U CN 201721479214U CN 207426076 U CN207426076 U CN 207426076U
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- Prior art keywords
- coolant
- battery core
- battery
- babinet
- liquid cooling
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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 kind of battery liquid cooling apparatus,Battery includes multiple batteries,Battery core is equipped in battery,Further include battery liquid cooling apparatus,Battery liquid cooling apparatus includes the coolant babinet being arranged in battery,Battery core fitting groove is laid on coolant babinet,Coolant guide groove is equipped with above the in vivo battery core fitting groove of tank for coolant,The coolant guide groove is horizontally disposed with and one end is connected with water inlet,Multiple leakage mouths are laid on the length direction of coolant guide groove bottom surface,By setting coolant guide groove,And multiple leakage mouths are laid on the length direction of coolant guide groove,So that coolant by the water inlet of coolant babinet into fashionable,Form multiple downward coolant flow paths side by side,Battery core is cooled down,Reduce the temperature difference on flow path,And pass through and battery core fitting groove is set,The groove body of battery core fitting groove is contacted with the surface of battery core,To uniformly being cooled down on the outside of battery core,The cooling effect for preventing single battery core surface is inconsistent.
Description
Technical field
The utility model is related to battery structure technical field, more particularly to a kind of battery liquid cooling apparatus.
Background technology
Battery is a kind of power source available for new-energy automobile, inside generally comprise one or more battery, each
Multiple battery cores as cell basis unit are included in battery.
And in the design and manufacture of new energy car battery, the heat management system of battery is most important, how to ensure
Ensure cooling performance while higher energy density, be that selection battery core should so as to ensure whole bag battery core cycle life and uniformity
Main engine plants have to problems faced, and often liquid cooling system is the optimal selection after balance quality and energy density.
It is at present largely using more water channel extrusion pressing types for the liquid cold production scheme of cylindrical battery domestic market mainstream
Material is brazed aluminum pipe, by carrying out bending repeatedly to aluminum pipe, is wrapped in conjunction with thermal conductive silicon rubber cushion on the outside of cold plate and in battery modules
The scheme (being commonly called as coiled pipe) that is in contact of battery core.
However, in actual use, the mode of coiled pipe cooling has the disadvantages that：
Although the 1, the pipeline of coiled pipe is more flat, overall thickness is most thin can to accomplish 2.5mm, and after bending and battery core is line face
Contact, and axially fever maximum all may not touch cold pipe to battery core, and battery core radial heat conductivity is relatively low, coiled pipe is real
Border contact area is limited, and cooling efficiency is not ideal enough, the cooling uniformity of battery core monomer part is poor.
2nd, coiled pipe is difficult to control by uniformity after bending repeatedly, is caused minimum between coiled pipe installation needs and battery core
Clearance fit, be also difficult to rapid alignment even if using automation equipment during assembling, efficiency of assembling is difficult to be substantially improved.
3rd, coiled pipe is substantially repeatedly tandem cooling scheme by battery after bending, as coolant is in coiled pipe
Flowing, the heat absorbed will be more poly- more, and the battery core being arranged on coiled pipe will generate larger in coolant flow direction
Temperature difference, the uniformity of cooling is inconsistent.
Utility model content
For this reason, it may be necessary to a kind of battery liquid cooling apparatus is provided, by setting coolant guide groove, in the length side of coolant guide groove
Leakage mouth is set up, cooperation battery core surrounding forms multiple parallel coolings similar to the isolated design of battery core fitting groove of water jacket
The temperature difference between battery core is reduced on liquid stream road.
To achieve the above object, a kind of battery liquid cooling apparatus is inventor provided, multiple battery cores are laid in the battery,
It is characterized in that, the battery further includes battery liquid cooling apparatus；
The battery liquid cooling apparatus includes coolant babinet, is laid on the front end face or rear end face of the coolant babinet
Multiple battery core fitting grooves being adapted with battery core, the battery core are arranged in the battery core fitting groove；
The coolant babinet is equipped with inlet and outlet, and the water outlet is arranged at tank for coolant bottom；
Coolant guide groove is equipped with above the in vivo battery core fitting groove of tank for coolant, the coolant guide groove is horizontally disposed with
And one end is connected with water inlet, and multiple leakage mouths are laid on the length direction of coolant guide groove bottom surface.
The prior art is different from, above-mentioned technical proposal has the following advantages that：By setting coolant guide groove, and in coolant
Multiple leakage mouths are laid on the length direction of guide groove so that coolant by the water inlet of coolant babinet into fashionable, can be by setting
Putting the coolant guide groove above battery core fitting groove makes coolant form multiple downward coolant flow paths side by side, and passes through setting
There is the battery core fitting groove in mutually isolated section, the battery core on each flow path is cooled down, reduce the temperature difference on flow path, battery core
The groove body of fitting groove is contacted with the surface of battery core, to uniformly being cooled down on the outside of battery core, prevents the cold of single battery core surface
But effect is inconsistent.
Further, the front end face of the coolant babinet and rear end face are equipped with battery core clamping plate, the table of the battery core clamping plate
Face is laid with the through hole being adapted with battery core.
By setting battery core clamping plate in the front end face and rear end face of coolant babinet, lay on battery core clamping plate and mutually fitted with battery core
The through hole matched somebody with somebody, convenient for battery core when being inserted into coolant babinet, through hole is accessed at battery core both ends, shares the stress of battery core.
Further, the leakage mouth size of the coolant guide groove gradually increases along coolant flow direction.
By the way that the leakage mouth size of coolant guide groove is set along coolant flow direction, in coolant along coolant guide groove
During flowing, the flow equilibrium of coolant is carried out to the leakage mouth of position after being located at water (flow) direction relatively.
Further, the groove body width of the coolant guide groove gradually increases along its length.
By the way that the groove body width of coolant guide groove is gradually carried out broadening processing along its length, in coolant along coolant
During guide groove flows, the flow equilibrium of coolant is carried out to the leakage mouth of position after being located at water (flow) direction relatively.
Further, cutoff board is equipped between the battery core fitting groove, the cutoff board is set in the vertical direction, both ends
It is connected respectively with adjacent battery core fitting groove outer wall, coolant babinet is divided into multiple cooling blocks in the vertical direction.
By setting cutoff board between the battery core fitting groove on numerical value direction so that by each leakage of coolant guide groove
The coolant of mouth longitudinal flow is separated to form multigroup independent coolant flow space through cutoff board so that each cooling liquid stream
Coolant in dynamic space only moves in limited area avoids the coolant in the case of no separate interval from being flowed in babinet
When interfere with each other, and form turbulent flow and vortex, heated coolant made to accumulate in for a long time in tank for coolant body, influences the cold of battery core
But.
Further, heat-conducting medium is equipped between the battery core fitting groove and battery core.
By setting heat-conducting medium between battery core fitting groove and battery core, battery core is assembled to after fitting groove can not be with groove body
The position of fitting is filled, and improves battery core to the heat transfer efficiency at battery core fitting groove.
Description of the drawings
Fig. 1 is the surface texture schematic diagram of coolant babinet in the utility model embodiment；
Fig. 2 is the internal structure schematic diagram of coolant babinet in the utility model embodiment；
Fig. 3 is the detail of construction of coolant guide groove in the utility model embodiment；
Fig. 4 is the detail of construction at battery core fitting groove in the utility model embodiment；
Fig. 5 is the assembly structure diagram of battery in the utility model embodiment.
Reference sign：
101st, battery core；102nd, battery core clamping plate；1021st, through hole；
201st, battery liquid cooling apparatus；202nd, coolant babinet；2021st, water inlet；
2022nd, water outlet；2023rd, battery core fitting groove；2024th, coolant guide groove；
2025th, leakage mouth；2026th, cutoff board；203rd, heat-conducting medium.
Specific embodiment
For the technology contents of the utility model, construction feature, the objects and the effects are described in detail, below in conjunction with implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
Also referring to Fig. 1 to Fig. 5, Fig. 1 is the surface texture schematic diagram of coolant babinet in the utility model embodiment,
Battery liquid cooling apparatus 201 includes coolant babinet 202, and the one side of coolant babinet 202 is equipped with water inlet 2021, another side bottom
Equipped with water outlet 2022, the front/rear end in coolant babinet 202 is through with battery core fitting groove 2023, referring to Fig. 2, Fig. 2 is
The internal structure schematic diagram of coolant babinet in the utility model embodiment, coolant guide groove 2024 are arranged on coolant babinet
The top of battery core fitting groove 2023 in 202, one end of coolant guide groove 2024 are connected with the water inlet 2021 of coolant babinet 202
It connects, leakage mouth 2025 is laid along the length direction of coolant guide groove 2024, referring to Fig. 3, Fig. 3 is in the utility model embodiment
The detail of construction of coolant guide groove, the both sides width of coolant guide groove 2024 gradually increase along coolant flow direction, leakage mouth
Size gradually increase, referring to Fig. 4, Fig. 4 is the detail of construction at battery core fitting groove in the utility model embodiment, battery core dress
The longitudinal direction of slot allocation 2023 be equipped with cutoff board 2026, cutoff board 2026 respectively with outside neighbouring battery core fitting groove 2023
Circumferential surface is connected, and cutoff board 2026 is separated (the present embodiment in a longitudinal direction to the inner space of coolant babinet 202
Middle cutoff board is obliquely installed, and the coolant of water inlet plane end portion in babinet is divided into inclined multiple spaces, utilization is cold
But promoted again toward water outlet after liquid dead weight declines plus the coolant of external water pressure driving in the inclined spaces of multiple separations, with
Just heat is taken away), referring to Fig. 5, Fig. 5 is the assembly structure diagram of battery in the utility model embodiment, the electricity of battery
Core 101 is by the battery core fitting groove 2023 on front end face or rear end face insertion the coolant babinet 202 of coolant babinet 202, leading
Thermal medium 203 is arranged between battery core 101 and battery core fitting groove 2023, before battery core clamping plate 102 is fixed on coolant babinet 202
On end face and rear end face, through hole 1021 is laid on battery core clamping plate 102,101 both ends of battery core are inserted into respectively in through hole 1021.
According to said structure, when battery liquid cooling apparatus is in use state, the battery core of battery is in work simultaneously in battery
Fever, coolant enter coolant babinet by the water inlet of coolant babinet, and coolant is arranged at battery core dress in coolant babinet
It is flowed on coolant guide groove above slot allocation, on the flow direction of coolant, the width of coolant guide groove gradually increases, leakage
The size of mouth also gradually increases, and reduces resistance during coolant flow, the flow in the flowing direction of coolant is put down
Weighing apparatus, coolant are flowed downward by leakage mouth, and coolant enters in the flowing space below leakage mouth, outer with battery core fitting groove
Peripheral wall is in contact, and in the course of work of battery, each battery core of battery generates heat, and heat is conducted to battery core fitting groove,
Heat-conducting medium transfers the heat of battery core for battery core fitting groove between the gap of battery core and battery core fitting groove, and battery core fitting groove is by heat
Coolant is passed to, coolant absorbs heat and flows downward, and the in vivo space of tank for coolant is separated into multiple cold by cutoff board
But the liquid flowing space, during coolant flows downward, the multiple spaces being separated out by cutoff board prevent coolant from flowing
During dynamic, prevent coolant from generating turbulent flow and vortex in tank for coolant body so that heated coolant is trapped in for a long time
In tank for coolant body, after coolant completes heat absorption, left by the water outlet of the coolant bottom of box, reenter coolant
In storage device, in use, battery core clamping plate is filled by default screw thread and the bolt being arranged on coolant babinet
Slot allocation using bolt through bolts assemblies slot, is cooling down the battery core Boards wall on coolant babinet front end face and rear end face
On liquid case body, and pass through battery core clamping plate and the both ends of battery core are fixed.
In the above-described embodiments, battery core fitting groove is set for perforation coolant babinet, is adapted to input terminal and output terminal is located at
The battery core of both sides, in certain embodiments, if the input terminal and output terminal of battery core are located at homonymy, battery core fitting groove only needs to be arranged on
On the front end face or rear end face of coolant babinet.
In the above-described embodiments, the longitudinal subdivision angle of cutoff board may be selected between 0 ° and 90 °.
In the above-described embodiments, the material of good heat conductivity, such as aluminium, heat-conducting plastic can be selected in the material of battery core fitting groove
Deng in the manufacturing process of coolant babinet, thermofussion welding or supersonic welding can be used to make the two of battery core fitting groove for battery core fitting groove
End be connected with coolant babinet or battery core fitting groove and periphery water tank integrated injection molding after again with fitting groove other end sealing envelope
Dress.
In the above-described embodiments, the inlet and outlet of coolant babinet may be provided at the homonymy of babinet, can also distinguish
It is arranged on the both sides of babinet.
In the above-described embodiments, heat-conducting medium can be selected heat-conducting silicone grease or be coated on the non-metallic insulation heat conduction on battery core surface
The materials such as piece.
In the above-described embodiments, battery core clamping plate using bolt through default fixing bolt mounting hole on coolant babinet into
Row is fixed, and avoids the manufacture difficulty that locating slot increase babinet is opened up on coolant babinet and the flow behavior for influencing coolant.
The above description is only the embodiments of the present invention, not thereby limits the scope of patent protection of the utility model,
Every equivalent structure transformation made based on the specification and figures of the utility model, is directly or indirectly used in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of battery liquid cooling apparatus, multiple battery cores are laid in the battery, which is characterized in that the battery further includes battery
Liquid cooling apparatus；
The battery liquid cooling apparatus includes coolant babinet, is laid on the front end face or rear end face of the coolant babinet multiple
The battery core fitting groove being adapted with battery core, the battery core are arranged in the battery core fitting groove；
The coolant babinet is equipped with inlet and outlet, and the water outlet is arranged at tank for coolant bottom；
Be equipped with coolant guide groove above the in vivo battery core fitting groove of the tank for coolant, the coolant guide groove be horizontally disposed with and
One end is connected with water inlet, and multiple leakage mouths are laid on the length direction of coolant guide groove bottom surface.
2. battery liquid cooling apparatus according to claim 1, which is characterized in that the front end face of the coolant babinet or rear end
Face is equipped with battery core clamping plate, and the surface of the battery core clamping plate is laid with the through hole being adapted with battery core.
3. battery liquid cooling apparatus according to claim 1, which is characterized in that the leakage mouth size edge of the coolant guide groove
Coolant flow direction gradually increases.
4. battery liquid cooling apparatus according to claim 1, which is characterized in that the groove body width edge of the coolant guide groove is long
Degree direction gradually increases.
5. battery liquid cooling apparatus according to claim 1, which is characterized in that flow blocking is equipped between the battery core fitting groove
Plate, the cutoff board are set in the vertical direction, and both ends are connected respectively with adjacent battery core fitting groove outer wall, in vertical direction
On coolant babinet is divided into multiple cooling blocks.
6. battery liquid cooling apparatus according to claim 1, which is characterized in that be equipped between the battery core fitting groove and battery core
Heat-conducting medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721479214.7U CN207426076U (en) | 2017-11-08 | 2017-11-08 | A kind of battery liquid cooling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721479214.7U CN207426076U (en) | 2017-11-08 | 2017-11-08 | A kind of battery liquid cooling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207426076U true CN207426076U (en) | 2018-05-29 |
Family
ID=62308151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721479214.7U Active CN207426076U (en) | 2017-11-08 | 2017-11-08 | A kind of battery liquid cooling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207426076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736105A (en) * | 2018-08-13 | 2018-11-02 | 爱驰汽车有限公司 | Battery pack and its liquid cooling apparatus |
| CN113991208A (en) * | 2021-09-30 | 2022-01-28 | 西安交通大学 | Liquid cooling power battery box |
-
2017
- 2017-11-08 CN CN201721479214.7U patent/CN207426076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736105A (en) * | 2018-08-13 | 2018-11-02 | 爱驰汽车有限公司 | Battery pack and its liquid cooling apparatus |
| CN113991208A (en) * | 2021-09-30 | 2022-01-28 | 西安交通大学 | Liquid cooling power battery box |
| CN113991208B (en) * | 2021-09-30 | 2023-08-01 | 西安交通大学 | Liquid cooling power battery box |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee after: Yundu New Energy Vehicle Co.,Ltd. Address before: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee before: Yundu New Energy Automobile Co.,Ltd. Address after: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee after: Yundu New Energy Automobile Co.,Ltd. Address before: 351100 no.729 Lihan Avenue, Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province Patentee before: FJ MOTOR GROUP, YUDO NEW-ENERGY AUTOMOBILE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |