CN206322821U - A kind of electrokinetic cell module with high heat dispersion - Google Patents
A kind of electrokinetic cell module with high heat dispersion Download PDFInfo
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- CN206322821U CN206322821U CN201621417069.5U CN201621417069U CN206322821U CN 206322821 U CN206322821 U CN 206322821U CN 201621417069 U CN201621417069 U CN 201621417069U CN 206322821 U CN206322821 U CN 206322821U
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- battery pack
- heat
- cell module
- electrokinetic cell
- coldplate
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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 is related to a kind of electrokinetic cell module with high heat dispersion, including battery pack, battery pack is made up of multiple parallel cell serial or parallel connections placed side by side, also include the coldplate and the parallel cooling fin located at each cell side positioned at battery pack bottom, battery pack is vertical with cooling fin to be set on the cooling plate.Compared with prior art, the utility model in time, effectively can go out the heat transfer of cell, it is substantially reduced the internal difference in temperature of cell, make internal battery pack thermo parameters method evenly, improve the overall heat transfer property of battery modules, heat dispersion is high, it is ensured that the efficient operation of battery modules.
Description
Technical field
The utility model belongs to electrokinetic cell technical field of heat dissipation, more particularly, to a kind of power with high heat dispersion
Battery modules.
Background technology
Countries in the world environmental pollution and petroleum-based energy consumption problem are increasingly paid attention to, and the development prospect of electric automobile is general
All over having an optimistic view of, its volume of production and marketing rises year by year, and future is expected to replace conventional fuel oil automobile completely.Electric automobile compares orthodox car, nothing
Exhaust emissions, it is environmentally friendly, but electric automobile, at this stage there is also some development bottlenecks, its course continuation mileage can not be with traditional vapour
Car is compared, and the charging interval is longer, and its power battery module is more sensitive to temperature.
The power battery module of electric automobile is generally formed by multiple battery modules connection in series-parallel, and single battery module is by many
Individual cell is made up of connection in series-parallel, and the working condition of each cell is to electrokinetic cell module or even whole electrokinetic cell
The service behaviour of module produces influence, and cell is in optimal working condition, then must assure that it is in all the time
Suitable operating temperature, while also requiring that the temperature difference of each cell is as small as possible, this is to existing electrokinetic cell heat
Administrative skill proposes new requirement, and electrokinetic cell module internal thermo parameters method not enough uniform, battery mould in the prior art
The overall heat power of group is poor.
Chinese patent CN 105489965A disclose a kind of electrokinetic cell module, including module shell, cooling system and
Multiple battery cores, also including anti-thermal runaway structure, rule setting is in module shell side by side for multiple battery cores, and cooling system is arranged on mould
On assembly housing, an anti-thermal runaway structure is provided between two neighboring battery core, anti-thermal runaway structure includes two layers of heat-conducting layer
And one layer of thermal insulation layer, two layers of heat-conducting layer is folded is located at the both sides of thermal insulation layer respectively, and is connected with cooling system, and heat-conducting layer can be by
The side heat transfer of adjacent battery core is to cooling system.Between reducing battery core the potential wind of thermal runaway occurs for the patent
Danger, but without the problem of thermo parameters method is not uniform enough is solved well, battery modules entirety heat power is low.
Utility model content
The purpose of this utility model is exactly to provide a kind of power electric with high heat dispersion to solve the above problems
Pond module.
The purpose of this utility model is achieved through the following technical solutions：
A kind of electrokinetic cell module with high heat dispersion, including battery pack, described battery pack by it is multiple it is parallel simultaneously
Discharge put cell serial or parallel connection composition, also including the coldplate positioned at battery pack bottom and it is parallel be located at each monomer
The cooling fin of battery side, described battery pack is vertical with cooling fin to be set on the cooling plate.
Further, cooling duct is provided with described coldplate, described cooling duct is provided with inlet and outlet, is easy to
It is connected with the coldplate or exterior line of adjacent module, cooling medium is connected with cooling duct, cooling duct has a variety of shapes
Formula, can be single serial-port, or multiple row parallel channel, through the whole region of coldplate.
Further, conductive graphite piece, the thermal conductivity of conductive graphite piece are provided between described cooling fin and cell
Up to more than 1000W/ (m*K), the internal difference in temperature of cell can be substantially reduced, makes internal battery pack thermo parameters method evenly,
It is effectively improved the overall heat transfer property of battery modules.
Further, described conductive graphite piece is pasted onto the side of cell.
Further, insulated heat pad, insulated heat pad are provided between described cell bottom and coldplate
Can prevent that cell from directly contacting with coldplate, it is ensured that most of heat of each cell by conductive graphite piece and
Cooling fin is transferred to coldplate, so as to reach the purpose for the internal difference in temperature for reducing cell.
Further, between described cooling fin bottom and coldplate be provided with insulating heat-conductive pad, with ensure coldplate with
Contact good between each cooling fin.
Further, the material of described insulating heat-conductive pad uses heat-conducting silica gel sheet, heat-conducting silicone grease or heat-conducting cream, insulation
The thickness of heat-conducting pad is in 0.3-2mm, and the thickness of heat-conducting pad is moderate, can reach insulating requirements, reduces thermal resistance as far as possible again.
Further, the outermost cooling fin of described battery pack is provided with insulation plate.
Further, the cross sectional shape of described cooling fin is L-type or T-shaped, preferably L-type, and the thickness of cooling fin exists
0.3-2mm。
Described cooling fin and the material of coldplate can be that metal or other heat conductivilitys are preferably nonmetallic (such as ceramics),
Copper pipe or the realization of other metal tubes are buried in the cooling duct of coldplate by interior, also can be by internal openings formation runner, or pass through
Two pieces of coldplate connections are formed.For the shape and circuit and the thickness of coldplate of the cooling duct in coldplate, according to being
Position, space of system cooling requirements and installation etc. are suitably changed.Cooling duct in coldplate is mutually interconnected with exterior line
Fastener need to be set when connecing, metal buckle or other fasteners can be used, to ensure the cooling medium circulated in cooling duct
Do not reveal.
The electrokinetic cell module that the utility model is provided, passes through the two sides of the thickness direction in cell (i.e. area
Two maximum faces) cooling fin is set, and provided with one layer of conductive graphite piece between cooling fin and cell side, in battery
Group bottom surface sets the coldplate of internal circulation cooling medium, and the heat of cell is quickly passed into the cooling inside coldplate
Medium.Coldplate is located at after the bottom surface of battery pack, heat transfer to the coldplate of cell, then is situated between by its internal cooling
Mass flow is moved to be conducted heat, and the glide path of coldplate internal cooling medium is：Cooling medium enters from the cooling duct of coldplate
Mouth is flowed into, and from channel outlet outflow, can be also reversed.The utility model in time, effectively can pass the heat of cell
Pass away, be substantially reduced the internal difference in temperature of cell, make internal battery pack thermo parameters method evenly, improve battery modules
Overall heat transfer property, heat dispersion is high, it is ensured that the efficient operation of battery modules.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model electrokinetic cell module；
Fig. 2 is the decomposition texture schematic diagram of the utility model electrokinetic cell module；
Fig. 3 is the structural representation of L-type cooling fin；
Fig. 4 is the structural representation of T-shaped cooling fin；
In figure：1- cells；2- cooling fins；3- coldplates；4- conductive graphite pieces；5- insulated heat pads；6- insulate
Heat-conducting pad；7- insulation plates；31- imports；32- is exported.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Such as Fig. 1 and Fig. 2, a kind of electrokinetic cell module with high heat dispersion, battery pack is by multiple lists being placed in parallel
Body battery 1 is constituted, and cell 1 is generally square or squarish, including six faces, the defined herein thickness side of cell 1
To two faces be left and right side, two faces in cell height direction are top surface and bottom surface, and two faces in battery length direction are
Front end face and rear end face.It is be arranged in parallel between multiple cells 1, passes through welding between the electrode of adjacent two cells
Or other connected modes carry out serial or parallel connection, so as to obtain the battery pack of an entirety.
Battery pack bottom surface is provided with coldplate 3, and the two sides of each cell of internal battery pack are provided with cooling fin 2, coldplate 3
Interior be provided with cooling duct, cooling duct has cooling medium circulation, specifically, in the left and right sides of each cell 1
Cooling fin 2 is provided with, the graphite flake 4 of a floor height thermal conductivity is provided between cooling fin 2 and the side of cell 1, graphite flake 4 is most
Good band gum, Pasting is on the surface of cell 1；Also can be by applying one layer of heat-conducting glue between graphite flake 4 and cell 1
Instead of the knot cross sectional shape of cooling fin 2 can be L-type or T-shaped (as shown in Figure 3, Figure 4), and the thickness of cooling fin is indefinite, generally exists
In 0.3-2mm, depending on battery radiating requirements, the present embodiment uses 2mm.Cooling fin 2 and the bottom surface of cell 1 it
Between provided with one layer of insulated heat pad 5, prevent that cell 1 from directly contacting with coldplate 3, it is ensured that each cell 1 is big
Partial heat is all transferred to coldplate 3 by graphite flake 4 and cooling fin 2, so as to reach the internal difference in temperature for reducing cell 1
Purpose.
Coldplate 3 is located at after the bottom surface of battery pack, heat transfer to the coldplate 3 of cell 1, then internal by it
Cooling medium flows to be conducted heat.The glide path of the internal cooling medium of coldplate 3 is：Cooling medium is cold from coldplate 3
But the import 31 of passage is flowed into, and is flowed out from the outlet 32 of its cooling duct.Certainly, the glide path of cooling medium also can be anti-herein
Flow into, finally flowed out from cooling duct import 31, in such coldplate 3 to progress, i.e. cooling medium from cooling duct outlet 32
The flow direction of portion's cooling medium is just inverted.
Cooling fin 2 and the material of coldplate 3 can be that metal or other heat conductivilitys are preferable nonmetallic (such as ceramics), cold
But the inner passage of plate 3 can bury copper pipe or the realization of other metal tubes (it is noted that being between internal pipeline and cooling medium by interior
It is no to react), also can be by internal openings formation runner, or (one of or two boards are opened by two pieces of coldplates
Have groove profile projection) connection form.For the shape and circuit and the thickness of coldplate of the cooling duct in coldplate 3, according to
Position, space of system radiating requirement and installation etc. are suitably changed.For example, coldplate can be embedded copper pipe or internal openings
Metal aluminum sheet, or other materials metal or non-metal board.Cooling duct in coldplate 3 is mutually interconnected with exterior line
Fastener (not shown in accompanying drawing) need to be set when connecing, metal buckle or other fasteners can be used, to ensure in cooling duct
The cooling medium of circulation is not revealed.To ensure to contact good between coldplate 3 and each cooling fin 2, in coldplate 3 and respectively
Provided with one layer of insulating heat-conductive pad 5 between individual cooling fin 2.The material of insulating heat-conductive pad 5 can be used and commonly used in the prior art
Thinner thickness insulating heat-conduction material, the present embodiment uses heat-conducting silica gel sheet.The thickness of heat-conducting pad is moderate, can reach
Insulating requirements, reduce thermal resistance, in 0.3-2mm, the present embodiment is 1mm as far as possible again.The outermost cooling fin 2 of battery pack is provided with exhausted
Edge thermal insulation board 7.
The electrokinetic cell module that the present embodiment is provided, its internal refrigerating module is applied in battery pack in each cell
The good situation of uniformity of longitudinal size and installation site tolerance, can effectively improve the overall heat transfer in battery pack and radiating effect
Really, internal battery pack thermo parameters method is made evenly.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (9)
1. a kind of electrokinetic cell module with high heat dispersion, including battery pack, described battery pack by it is multiple it is parallel side by side
Placement cell (1) serial or parallel connection composition, it is characterised in that also including the coldplate (3) positioned at battery pack bottom with
And the parallel cooling fin (2) located at each cell (1) side, described battery pack is vertical with cooling fin (2) to be located at coldplate
(3) on.
2. electrokinetic cell module according to claim 1, it is characterised in that logical provided with cooling in described coldplate (3)
Road, described cooling duct, which is provided with inlet and outlet, cooling duct, is connected with cooling medium.
3. electrokinetic cell module according to claim 1, it is characterised in that described cooling fin (2) and cell (1)
Between be provided with conductive graphite piece (4).
4. electrokinetic cell module according to claim 3, it is characterised in that described conductive graphite piece (4) is pasted onto list
The side of body battery (1).
5. electrokinetic cell module according to claim 1, it is characterised in that described cell (1) bottom and cooling
Insulated heat pad (5) is provided between plate (3).
6. electrokinetic cell module according to claim 1, it is characterised in that described cooling fin (2) bottom and coldplate
(3) insulating heat-conductive pad (6) is provided between.
7. electrokinetic cell module according to claim 6, it is characterised in that the material of described insulating heat-conductive pad (6)
Using heat-conducting silica gel sheet, heat-conducting silicone grease or heat-conducting cream, the thickness of insulating heat-conductive pad is in 0.3-2mm.
8. electrokinetic cell module according to claim 1, it is characterised in that the outermost cooling fin of described battery pack
(2) it is provided with insulation plate (7).
9. electrokinetic cell module according to claim 1, it is characterised in that the cross sectional shape of described cooling fin (2) is L
Type is T-shaped, and the thickness of cooling fin is in 0.3-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621417069.5U CN206322821U (en) | 2016-12-22 | 2016-12-22 | A kind of electrokinetic cell module with high heat dispersion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621417069.5U CN206322821U (en) | 2016-12-22 | 2016-12-22 | A kind of electrokinetic cell module with high heat dispersion |
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| Publication Number | Publication Date |
|---|---|
| CN206322821U true CN206322821U (en) | 2017-07-11 |
Family
ID=59260029
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621417069.5U Active CN206322821U (en) | 2016-12-22 | 2016-12-22 | A kind of electrokinetic cell module with high heat dispersion |
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| CN (1) | CN206322821U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579306A (en) * | 2017-08-22 | 2018-01-12 | 合肥国轩高科动力能源有限公司 | Storage battery module based on air and phase change material cooling |
| CN109950663A (en) * | 2019-02-22 | 2019-06-28 | 江苏大学 | A kind of battery modules heat management device and method |
| CN110010995A (en) * | 2019-04-09 | 2019-07-12 | 华南理工大学 | A kind of battery pack thermal management system and its working method based on flat-plate heat pipe |
| CN110165328A (en) * | 2019-05-17 | 2019-08-23 | 曲阜天博汽车零部件制造有限公司 | A kind of new-energy automobile battery pack thermal management system |
| CN110518162A (en) * | 2019-07-17 | 2019-11-29 | 南京航空航天大学 | A kind of power battery module temperature control system based on ultra-thin panel flexible heat pipe |
| CN110858676A (en) * | 2018-08-24 | 2020-03-03 | 微宏动力系统（湖州）有限公司 | Battery module |
| CN111712968A (en) * | 2018-07-03 | 2020-09-25 | 株式会社Lg化学 | Battery module |
| CN111916873A (en) * | 2020-09-08 | 2020-11-10 | 天合光能股份有限公司 | Battery module heat conduction structure and battery module |
| CN112133861A (en) * | 2020-10-12 | 2020-12-25 | 东莞市云帆电子科技有限公司 | Power lithium battery module integrated configuration |
| CN112290114A (en) * | 2020-09-30 | 2021-01-29 | 东风汽车集团有限公司 | T-shaped water cooling plate and power battery pack |
| CN113659235A (en) * | 2021-08-09 | 2021-11-16 | 中国电力科学研究院有限公司 | Lithium ion battery liquid cooling system and energy storage system |
| CN113675494A (en) * | 2021-07-12 | 2021-11-19 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
-
2016
- 2016-12-22 CN CN201621417069.5U patent/CN206322821U/en active Active
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579306A (en) * | 2017-08-22 | 2018-01-12 | 合肥国轩高科动力能源有限公司 | Storage battery module based on air and phase change material cooling |
| US11637335B2 (en) | 2018-07-03 | 2023-04-25 | Lg Energy Solution, Ltd. | Battery module |
| CN111712968A (en) * | 2018-07-03 | 2020-09-25 | 株式会社Lg化学 | Battery module |
| CN111712968B (en) * | 2018-07-03 | 2023-10-24 | 株式会社Lg新能源 | Battery module |
| CN110858676A (en) * | 2018-08-24 | 2020-03-03 | 微宏动力系统（湖州）有限公司 | Battery module |
| CN109950663A (en) * | 2019-02-22 | 2019-06-28 | 江苏大学 | A kind of battery modules heat management device and method |
| CN109950663B (en) * | 2019-02-22 | 2021-09-10 | 江苏大学 | Battery module heat management device and method |
| CN110010995A (en) * | 2019-04-09 | 2019-07-12 | 华南理工大学 | A kind of battery pack thermal management system and its working method based on flat-plate heat pipe |
| CN110165328A (en) * | 2019-05-17 | 2019-08-23 | 曲阜天博汽车零部件制造有限公司 | A kind of new-energy automobile battery pack thermal management system |
| CN110518162A (en) * | 2019-07-17 | 2019-11-29 | 南京航空航天大学 | A kind of power battery module temperature control system based on ultra-thin panel flexible heat pipe |
| CN110518162B (en) * | 2019-07-17 | 2022-04-08 | 南京航空航天大学 | Power battery module temperature control system based on ultra-thin flat flexible heat pipe |
| CN111916873A (en) * | 2020-09-08 | 2020-11-10 | 天合光能股份有限公司 | Battery module heat conduction structure and battery module |
| CN112290114A (en) * | 2020-09-30 | 2021-01-29 | 东风汽车集团有限公司 | T-shaped water cooling plate and power battery pack |
| CN112133861A (en) * | 2020-10-12 | 2020-12-25 | 东莞市云帆电子科技有限公司 | Power lithium battery module integrated configuration |
| CN112133861B (en) * | 2020-10-12 | 2021-05-11 | 东莞市云帆电子科技有限公司 | Power lithium battery module integrated configuration |
| CN113675494A (en) * | 2021-07-12 | 2021-11-19 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
| CN113675494B (en) * | 2021-07-12 | 2023-10-24 | 东风汽车集团股份有限公司 | Heat pipe fin type cooling structure applied to power battery module |
| CN113659235A (en) * | 2021-08-09 | 2021-11-16 | 中国电力科学研究院有限公司 | Lithium ion battery liquid cooling system and energy storage system |
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