CN209571520U - A kind of battery pack liquid cooling plate structure and battery pack - Google Patents
A kind of battery pack liquid cooling plate structure and battery pack Download PDFInfo
- Publication number
- CN209571520U CN209571520U CN201822252946.3U CN201822252946U CN209571520U CN 209571520 U CN209571520 U CN 209571520U CN 201822252946 U CN201822252946 U CN 201822252946U CN 209571520 U CN209571520 U CN 209571520U
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- Prior art keywords
- cooling plate
- liquid cooling
- boss
- battery pack
- cavity
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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 battery pack liquid cooling plate structure and battery pack, structure is simple, it is easy to process, it is related to electric automobile power battery field, upper body and lower body including the connection that cooperates, the cavity for coolant liquid circulation of both ends open is formed between upper body and lower body, cavity is set as square cavity；Integrally formed with several boss on the bottom surface of cavity side, boss extends upper body to cavity inside；And boss extends to another end opening along liquid cooling plate length direction from square cavity is open at one end；Lower body is provided with the heat insulating coat for preventing heat loss close to the bottom surface of cavity side and side；The utility model increases the contact area of coolant liquid and liquid cooling plate thermal conductive surface by the design of setting boss, avoids forming gas chamber with liquid cooling plate, reinforces the heat exchange effect of liquid cooling plate and battery pack.
Description
Technical field
The utility model relates to electric automobile power battery fields, and in particular to a kind of battery pack liquid cooling plate structure and battery
Packet.
Background technique
The liquid cooling thermal management algorithm of battery pack is to walk battery by the fluxion strap of circulating cooling liquid to contract for fixed output quotas life in the prior art
Heat, reach cooling purpose.Traditional liquid cooling plate internal cavities are mostly rectangle or oblong, due to meetings such as processing, welding procedures
Cause liquid cooling plate internal cavities integral planar degree there are certain error, internal coolant is easy in flow process in cavity office
Portion forms gas chamber, and then influences the heat-conducting effect of liquid cooling plate part；It is single and due to usually not using provision for thermal insulation inside liquid cooling plate
It is pure heat-insulated by external device (ED), it is easy to cause temperature to reduce slower, liquid cooling efficiency is lower to battery pack internal heat dissipating.
In the prior art, a kind of automobile batteries packet liquid cooling plate as disclosed in patent CN207677036U, comprising: partition, wing
Piece, strip of paper used for sealing；Fin is wavy shaped configuration；There are two partition is total, it is separately positioned on the upper and lower part of fin, partition and fin connect
It connects；Strip of paper used for sealing closes the side of fin, and coolant liquid can flow in fin；It is spaced apart from each other in the patent due to being formed between fin
Three-legged structure, the flow velocity that may cause coolant liquid different location in cyclic process is different, and portion heat dissipation is uneven.
Utility model content
The utility model aim is to provide a kind of battery pack liquid cooling plate structure and battery pack, and structure is simple, easily manufactured,
Radiating efficiency is high, uniformly radiates to thermal conductive surface.
To reach above-mentioned purpose, the utility model proposes following technical solutions: a kind of battery pack liquid cooling plate structure, including phase
The upper body and lower body being mutually cooperatively connected form circulating for coolant liquid for both ends open between the upper body and lower body
Cavity, the cavity is set as square cavity；The upper body on the bottom surface of cavity side integrally formed with several boss,
The boss extends to cavity inside；It is H that square cavity, which is defined, along the height of boss extending direction, and boss and upper body lean on near-space
The farthest height of the bottom surface of chamber side is h, H > h；Wherein boss is used to increase the contact area of coolant liquid Yu liquid cooling plate inner surface,
Accelerate heat exchange.
Further, defining coolant liquid along the direction that square cavity flows is liquid cooling plate length direction, and the boss is along liquid
The setting of cold plate length direction, and boss extends to another end opening from square cavity is open at one end；Also, the boss size phase
Together, any two boss is parallel to each other, and spacing is equal between adjacent two boss.Boss is arranged in parallel along coolant flow direction,
On the one hand it is processed convenient for the manufacture of upper body, on the other hand there is certain guiding role to coolant liquid.
Further, the direction for defining coolant flow in vertical square cavity on liquid cooling plate is liquid cooling plate width direction,
The boss is sector structure along the section of liquid cooling plate width direction, and the central angle of the sector structure is greater than 180 °, increases convex
The contact area of platform and coolant liquid；Sector structure is used for when liquid cooling plate is received from the impact in lower body direction, is reduced under
The extruding of ontology；And the boss of sector crosssection can come into full contact with coolant liquid, coolant liquid will not in square cavity with it is upper
Gas chamber is formed between the thermally conductive working face of ontology, guarantees the heat exchange stability of liquid cooling plate and battery pack.
Further, the mesa array is arranged in bottom surface of the upper body close to cavity side, and boss size is identical, and any
Spacing is equal between adjacent two boss；And regular prism structure is set by the boss, regular prism structure is far from upper body
One end is set as spherical structure, and the surface area of regular prism structure is big, therefore can further increase table in coolant liquid and liquid cooling plate
The contact area in face.
Further, the lower body is provided with heat insulating coat close to the bottom surface of cavity side and side, and heat insulating coat is used for
The heat loss of non-conductive working face is prevented, the thermal insulation property of liquid cooling plate entirety is enhanced.
In addition, the invention also discloses a kind of battery pack for being equipped with above-mentioned battery pack liquid cooling plate structure, the battery
The liquid cooling plate structure for wrapping installation, which effectively exchanges the heat that battery pack generates with coolant liquid cooperation, to be taken away, and coolant liquid will not
Gas chamber is formed inside liquid cooling plate, coolant liquid comes into full contact with liquid cooling plate structure, increases the heat exchange area with battery pack, reinforces
Heat transfer efficiency.
From the above technical scheme, the battery pack liquid cooling plate structure and battery that the technical solution of the utility model provides
Packet, obtain it is following the utility model has the advantages that
The utility model provides a kind of battery pack liquid cooling plate structure and battery pack, is related to electric automobile power battery neck
Domain, upper body and lower body including the connection that cooperates, formation both ends open is used to cool down between upper body and lower body
The cavity that liquid passes through, cavity are set as square cavity；Upper body on the bottom surface of cavity side integrally formed with several boss, it is convex
Platform extends to cavity inside；And boss is opened from open at one end be unanimously arranged to the other end along liquid cooling plate length direction of square cavity
Mouthful；Lower body is provided with the heat-insulated painting of the heat loss for preventing non-conductive working face close to the bottom surface of cavity side and side
Layer；Liquid cooling plate overall structure is simple, increases the contact area of coolant liquid and liquid cooling plate thermal conductive surface by setting boss, reinforces liquid cooling
The heat exchange effect of plate and battery pack improves heat exchanger effectiveness.
In addition, the boss of the utility model is opened along liquid cooling plate length direction from square cavity setting open at one end to the other end
Mouthful, and boss section is sector；The boss of sector crosssection, on the one hand comes into full contact with coolant liquid, and coolant liquid will not be rectangular
Gas chamber is formed between the thermally conductive working face of upper body in cavity, avoids forming gas chamber with liquid cooling plate, guarantees liquid cooling plate and battery
The heat exchange stability of packet；On the other hand for reducing to lower body when liquid cooling plate is received from the impact in lower body direction
Extrusion deformation；Boss and upper body are integrally formed, and processing and manufacturing is simple, do not need to increase manufacture grinding tool, practicability is high, favorably
In popularization and use.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived described in greater detail below are at this
It can be viewed as a part of the utility model theme of the disclosure in the case that the design of sample is not conflicting.
The foregoing and other side of the utility model introduction can be more fully appreciated from the following description in conjunction with attached drawing
Face, embodiment and feature.The features and/or benefits of other additional aspects such as illustrative embodiments of the utility model
To be obvious in the following description, or will be learnt in the practice by the specific embodiment instructed according to the utility model.
Detailed description of the invention
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or nearly identical group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, by by example and be described in reference to the drawings the utility model various aspects embodiment, in which:
Fig. 1 is 1 main view of the utility model embodiment；
Fig. 2 is 1 concrete composition figure of the utility model embodiment；
Fig. 3 is 1 bulk junction composition of embodiment on the utility model；
Fig. 4 is 2 structure chart of the utility model embodiment.
Wherein, the specific meaning respectively marked are as follows:
1- upper body, 2- lower body, 3- boss, 4- heat insulating coat.
Specific embodiment
In order to know more about the technology contents of the utility model, spy lifts specific embodiment and institute's accompanying drawings is cooperated to be described as follows.
It is described with reference to the various aspects of the utility model in the disclosure, shown in the drawings of the implementation of many explanations
Example.It is not intended to cover all aspects of the utility model for embodiment of the disclosure.It should be appreciated that a variety of structures presented hereinbefore
Think and embodiment, and those of describe in more detail below design and embodiment can in many ways in any one
Implement, this is because conception and embodiment disclosed in the utility model are not limited to any embodiment.In addition, this is practical
Novel disclosed some aspects can be used alone, or with it is disclosed by the utility model it is otherwise it is any it is appropriately combined come
It uses.
Based in the prior art, part liquid cooling plate makes liquid cooling plate internal cavities whole due to liquid cooling board machining process etc.
Body flatness there are certain error, coolant liquid in the cavities flow process when, be easy be partially formed gas chamber, and then influence liquid cooling
Lack provision for thermal insulation inside the heat-conducting effect of plate part and existing liquid cooling plate, mostly heat-insulated by external device (ED), heat-insulated effect
The lower technical problem of rate, the utility model are directed to a kind of battery pack liquid cooling plate structure and battery pack, effectively avoid gas chamber,
The heat-conducting effect of liquid cooling plate is improved, also by using heat insulation structural, reduces the heat loss of the non-conductive working face of liquid cooling plate, enhancing
Liquid cooling plate thermal insulation property.
Embodiment shown in reference to the accompanying drawing makees into one the battery pack liquid cooling plate structure and battery pack of the utility model
Step is specific to be introduced.
As shown in connection with fig. 1, a kind of battery pack liquid cooling plate structure, upper body 1 and lower body 2 including the connection that cooperates,
The cavity of both ends open passed through for coolant liquid is formed between the upper body 1 and lower body 2, the cavity is set as rectangular
Cavity；Integrally formed with several boss 3 on the bottom surface of cavity side, the boss 3 prolongs the upper body 1 to cavity inside
It stretches；It is the farthest height of H, boss 3 and upper body close to the bottom surface of cavity side that square cavity, which is defined, along the height of 3 extending direction of boss
Degree is h, and H > h, i.e. boss 3 do not contact with each other with lower body 2, does not influence the circulation of liquid cooling plate coolant liquid；Wherein boss 3 is used
In the contact area for increasing coolant liquid and liquid cooling plate inner surface, enhance heat exchange effect.
The lower body 2 is provided with heat insulating coat 4 close to the bottom surface of cavity side and side, and heat insulating coat 4 is for preventing liquid
The case where outwardly environment is lost from the non-conductive working face of liquid cooling plate for the heat of coolant liquid in cold plate, causes heat loss, in turn
So that the heat of coolant liquid and battery parlor realize maximum heat exchange in liquid cooling pipe, enhance the heat insulating ability of liquid cooling plate entirety
Energy.Heat insulating coat 4 generally coats to be formed using materials such as De Nailong or aeroges.
Embodiment 1 as shown in connection with fig. 2, defining coolant liquid along the direction that square cavity flows is liquid cooling plate length direction,
The boss 3 is arranged along liquid cooling plate length direction, and boss 3 extends to another end opening from square cavity is open at one end；Also,
3 size of boss is identical, and any two boss 3 is parallel to each other, and spacing is equal between adjacent two boss 3；Boss 3 is in rectangular sky
It is arranged in parallel in chamber, it is on the one hand processed convenient for the manufacture of upper body 1, it is only necessary to set a set of grinding tool, not need to set again
Grinding tool is counted, also on the other hand there is certain guiding role to the flowing of coolant liquid to along coolant flow direction setting.
Further combined with the structure of upper body 1 in embodiment 1 shown in Fig. 3, define on liquid cooling plate in vertical square cavity
The direction of coolant flow is liquid cooling plate width direction, and the boss 3 is sector structure, institute along the section of liquid cooling plate width direction
The central angle for stating sector structure is greater than 180 °, and section is that major arc surrounds the boss 3 to be formed and is conducive to upper body 1 and contacts with coolant liquid
Area；Sector structure is used for when liquid cooling plate is received from the impact in lower body direction, reduces the extruding to lower body, reduction pair
The extrusion deformation of lower body 2；And the boss 3 of sector crosssection can come into full contact with coolant liquid, so that coolant liquid will not be in side
Gas chamber is formed in shape cavity between the thermally conductive working face of upper body 1, reinforces the heat exchange effect of coolant liquid and liquid cooling plate, is guaranteed
The heat exchange stability of liquid cooling plate and battery pack.
Embodiment 2 as shown in connection with fig. 4, the boss 3 are arranged in upper body 1 close to the bottom surface of cavity side using array,
3 size of boss is identical, is evenly arranged, and spacing is equal between two boss 3 of arbitrary neighborhood；And the boss 3 setting is positive
Prism structure, regular prism structure are set as spherical structure far from one end of upper body 1；In some embodiments, boss 3 is set as one
End is integrally formed with upper body 1, and the other end is set as the pentagonal prism structure of spherical surface, may be set to be the regular prism of other number of edges
Structure；Since regular prism structure has bigger surface area, so that coolant liquid further increases and the contact of liquid cooling plate inner surface
Area improves the area of heat exchange and the efficiency of heat exchange.
Battery pack liquid cooling plate structure disclosed by the utility model, overall structure is simple, and manufacture is easy to process, effectively improves liquid
The local heat exchanger effectiveness of cold plate and battery pack, practicability is high, is conducive to promote the use of.
In addition, the utility model be solve above-mentioned liquid cooling plate internal cavities integral planar degree there are error make in cavity
When being passed through coolant liquid, gas chamber easy to form causes liquid cooling plate part heat exchanger effectiveness low, and lacks the technology of provision for thermal insulation and ask
Topic, also discloses a kind of battery pack for being equipped with above-mentioned battery pack liquid cooling plate structure, the liquid cooling plate structure installed in the battery pack
Effectively the heat that battery pack generates is exchanged with coolant liquid cooperation and is taken away, and coolant liquid will not form gas inside liquid cooling plate
Room, coolant liquid come into full contact with liquid cooling plate structure, increase the heat exchange area with battery pack, reinforce heat transfer efficiency.
Although the utility model has been disclosed with preferred embodiment as above, so it is not intended to limit the utility model.This reality
It is without departing from the spirit and scope of the utility model, each when that can make with novel those of ordinary skill in the art
Kind changes and retouches.Therefore, the protection scope of the utility model is subject to view those as defined in claim.
Claims (9)
1. a kind of battery pack liquid cooling plate structure, which is characterized in that the liquid cooling plate includes cooperating the upper body connected under
Ontology, forms the cavity for coolant liquid circulation of both ends open between the upper body and lower body, the cavity is set as
Square cavity；Integrally formed with several boss on the bottom surface of cavity side, the boss prolongs the upper body to cavity inside
It stretches；It is the farthest height of H, boss and upper body close to the bottom surface of cavity side that square cavity, which is defined, along the height of boss extending direction
For h, H > h.
2. battery pack liquid cooling plate structure according to claim 1, which is characterized in that define coolant liquid and flowed along square cavity
Direction be liquid cooling plate length direction, the boss is arranged along liquid cooling plate length direction, and boss is open at one end from square cavity
Extend to another end opening.
3. battery pack liquid cooling plate structure according to claim 2, which is characterized in that the boss size is identical, and any two
Boss is parallel to each other, and spacing is equal between adjacent two boss.
4. battery pack liquid cooling plate structure according to claim 1, which is characterized in that the mesa array is arranged in upper body
Close to the bottom surface of cavity side, boss size is identical, and spacing is equal between two boss of arbitrary neighborhood.
5. battery pack liquid cooling plate structure according to claim 3, which is characterized in that define vertical square cavity on liquid cooling plate
The direction of middle coolant flow is liquid cooling plate width direction, and the boss is sector structure along the section of liquid cooling plate width direction.
6. battery pack liquid cooling plate structure according to claim 5, which is characterized in that the central angle of the sector structure is greater than
180°。
7. battery pack liquid cooling plate structure according to claim 4, which is characterized in that the boss is set as regular prism knot
Structure, regular prism structure are set as spherical structure far from one end of upper body.
8. battery pack liquid cooling plate structure according to claim 1, which is characterized in that the lower body is close to the bottom of cavity side
Face and side are provided with heat insulating coat.
9. a kind of battery pack, which is characterized in that including battery pack liquid cooling plate structure described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252946.3U CN209571520U (en) | 2018-12-29 | 2018-12-29 | A kind of battery pack liquid cooling plate structure and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252946.3U CN209571520U (en) | 2018-12-29 | 2018-12-29 | A kind of battery pack liquid cooling plate structure and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571520U true CN209571520U (en) | 2019-11-01 |
Family
ID=68331460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252946.3U Expired - Fee Related CN209571520U (en) | 2018-12-29 | 2018-12-29 | A kind of battery pack liquid cooling plate structure and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209571520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463519A (en) * | 2020-04-08 | 2020-07-28 | 重庆长安新能源汽车科技有限公司 | Battery buffering heat insulation cooling plate, power battery pack and automobile |
| WO2021227846A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳比特微电子科技有限公司 | Liquid cooling plate suitable for liquid-cooling heat dissipation of electronic device, and heat dissipation unit |
-
2018
- 2018-12-29 CN CN201822252946.3U patent/CN209571520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463519A (en) * | 2020-04-08 | 2020-07-28 | 重庆长安新能源汽车科技有限公司 | Battery buffering heat insulation cooling plate, power battery pack and automobile |
| WO2021227846A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳比特微电子科技有限公司 | Liquid cooling plate suitable for liquid-cooling heat dissipation of electronic device, and heat dissipation unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20201229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |