CN208655839U - Thermally conductive sheet and the battery modules for configuring the thermally conductive sheet - Google Patents
Thermally conductive sheet and the battery modules for configuring the thermally conductive sheet Download PDFInfo
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- CN208655839U CN208655839U CN201820994716.1U CN201820994716U CN208655839U CN 208655839 U CN208655839 U CN 208655839U CN 201820994716 U CN201820994716 U CN 201820994716U CN 208655839 U CN208655839 U CN 208655839U
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- sheet metal
- cabochon
- bending part
- thermally conductive
- plunger
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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
Abstract
This application discloses a kind of thermally conductive sheets, it includes left sheet metal and right sheet metal, and left sheet metal and right sheet metal are equal respectively include: successively spaced apart first cabochon bending part and the second cabochon bending part being integrally attached between each first cabochon bending part in transverse direction；The evagination side of each first cabochon bending part is with the convex side face paste of each first cabochon bending part on right sheet metal by fixing on left sheet metal, left sheet metal both ends are provided with public hook, right sheet metal both ends are provided with master card compatible with public hook and hook, the indent side of the second cabochon bending part and the indent side of the second cabochon bending part on right sheet metal are positioned opposite on left sheet metal, to be formed with plunger jack therebetween.After this thermally conductive sheet is in the crack for being filled to battery modules, with the battery cell large area abutting contact in mould group, to improve the heat conduction rate of the thermally conductive sheet, cell heat can be led to rapidly to external heat dissipation equipment, quickly reduce the temperature of battery modules.
Description
Technical field
This application involves battery pack field of radiating, and in particular to a kind of battery mould of thermally conductive sheet and this thermally conductive sheet of configuration
Group.
Background technique
Object that is narrow for those heat-dissipating spaces and being easy to produce high temperature, such as column lithium ion battery group, very
Difficulty draws rapidly the heat for the object that generates heat, and so as to cause object temperature constantly increases and influences its service life, or even causes
Safety accident.
In order to draw the heat in column lithium ion battery mould group rapidly, some producers can be in the crack of battery modules
Middle sandwiched metal conducting strip, it is corresponding to lead to heat outward by the metal conducting strip contacted with cylindrical battery monomer
Cooling equipment avoids battery temperature excessively high to prevent heat build-up.
But above-mentioned this traditional battery modules with metal conducting strip are primarily present this disadvantage: it is difficult to ensure that gold
Belonging to the closeness of contact of thermally conductive sheet and battery cell, the two has biggish thermal resistance because that cannot stick together well, from
And causes the heat of battery cell that cannot pass to rapidly thermally conductive sheet and drawn by thermally conductive sheet.
Summary of the invention
The purpose of the application, is: in view of the above-mentioned problems, this project proposes the electricity of a kind of thermally conductive sheet and this thermally conductive sheet of configuration
Chi Mo group, after this thermally conductive sheet is filled in the crack of battery modules, can with the battery cell large area abutting contact in mould group, from
And the heat conduction rate of the thermally conductive sheet is greatly improved, cell heat is led to rapidly to external heat dissipation equipment, quickly reduces electricity
The temperature of Chi Mo group.
The technical solution of the application is:
A kind of thermally conductive sheet, for being assembled to draw cell heat outward in battery modules, the thermally conductive sheet includes a left side
Sheet metal and right sheet metal, the left sheet metal and right sheet metal are equal respectively include:
Successively spaced apart in transverse direction and compatible with cylindrical battery outside wall surface several first cabochons
Bending part, and
It is successively spaced apart in transverse direction and be integrally attached between each first cabochon bending part
Two cabochon bending parts；
The first cabochon bending part and the second cabochon bending part are respectively provided with the concave side mutually deviated from
Face and evagination side, on the left sheet metal evagination side of each first cabochon bending part with it is each on the right sheet metal
By fixing, the left sheet metal is respectively arranged with the convex side face paste of first cabochon bending part at the both ends of transverse direction
Public hook, the right sheet metal are respectively arranged with master card compatible with the public affairs hook at the both ends of transverse direction and hook,
The indent side of each second cabochon bending part is rolled over the second cabochon each on the right sheet metal on the left sheet metal
The indent side of turn of bilge is positioned opposite, thus each second cabochon bending part and the right sheet metal on the left sheet metal
The plunger jack for inserting plunger is formed between upper each second cabochon bending part.
Punching has heat-conducting glue accommodation groove on the indent side of the first cabochon bending part.
Heat-conducting glue has been filled in the heat-conducting glue accommodation groove.
The cell wall of the heat-conducting glue accommodation groove protrudes from the evagination side of the first cabochon bending part.
It is in rectangle after the left sheet metal flattening, is also in rectangle after the right sheet metal flattening.
The evagination side of each first cabochon bending part and on the right sheet metal each first on the left sheet metal
The evagination side of cabochon bending part is welded and fixed.
A kind of battery modules, comprising:
In several cylindrical batteries that matrix is distributed, and
Be formed in the cylindrical battery) between crack；
It is inserted with the thermally conductive sheet of above structure in the crack, is inserted in the plunger jack and the plunger jack
The plunger of interference fit, the left sheet metal and the right sheet metal occur elasticity and become under the squeezing action of the plunger
Shape, to is close to the outside wall surface of the cylindrical battery arrange.
Phase-change material is provided in the plunger.
The plunger is the flexible hose that both ends are thin and middle part is thick.
The cylindrical battery is inserted into the battery clamp of plastic material.
The application has the advantage that
1, this thermally conductive sheet of the application is inserted into plunger, left sheet metal and right sheet metal after being filled to the crack of battery modules
Flexible deformation occurs under the extruding force effect of plunger and is close to arrangement with the outside wall surface large area of cylindrical battery, in this way
So that thermally conductive sheet is adjacent to cylindrical battery perfection, and increases the heat exchange contact area of thermally conductive sheet Yu each cylindrical battery,
Cell heat can be led to rapidly external heat dissipation equipment, quickly reduce battery modules by the heat conduction rate for improving thermally conductive sheet
Temperature.
2, punching heat-conducting glue accommodation groove on the indent side of the first cabochon bending part of left sheet metal and right sheet metal, and
Heat-conducting glue has been filled in heat-conducting glue accommodation groove.After plunger is inserted into plunger jack, left sheet metal and right sheet metal be squeezed and
Flexible deformation occurs, heat-conducting glue accommodation groove shoals therewith deforming, in heat-conducting glue overflow and filled up in the first cambered surface outward
In gap between type bending part and cylindrical battery, thus the rate of heat transfer between improving the two.
3, setting can be with the phase-change material of energy storage in plunger.When battery modules temperature is higher, phase-change material absorbs battery
Heat and from fixation become liquid；When battery modules temperature is too low, phase-change material releases heat and is battery heating.In this way,
Even if being not connected to external heat exchange equipment can also be kept to a certain extent using the energy storage characteristic of the phase-change material itself
Battery modules temperature is in OK range.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to required use in embodiment description
Attached drawing be briefly described, the drawings in the following description are only some examples of the present application, skill common for this field
For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of battery modules in the embodiment of the present application；
Fig. 2 is the structural schematic diagram at another visual angle of battery modules in the embodiment of the present application；
Fig. 3 is the structural schematic diagram of left sheet metal in the embodiment of the present application；
Fig. 4 is the structural schematic diagram at left another visual angle of sheet metal in the embodiment of the present application；
Fig. 5 is the structural schematic diagram of right sheet metal in the embodiment of the present application；
Fig. 6 is the structural schematic diagram at right another visual angle of sheet metal in the embodiment of the present application；
Wherein: the left sheet metal of 1-, 101- public affairs hook, the right sheet metal of 2-, 201- master card hook, 12a- the first cabochon bending
Portion, 12aa- heat-conducting glue accommodation groove, 12b- the second cabochon bending part, 3- plunger jack, 4- plunger, 5- cylindrical battery, 6-
Battery clamp.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The application and be not limited to limitation scope of the present application.Implementation condition used in the examples can be done according to the condition of specific producer
Further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
Figures 1 and 2 show that a specific embodiment of this battery modules of the application, is column lithium ion battery
Mould group, it is identical with traditional structure to be comprising the battery clamp 6 of the rectangular configuration of a plastic material forms in battery clamp 6
There is the battery plug-in opening in matrix arrangement, inserts a cylindrical battery 5 in each battery plug-in opening, these cylindrical batteries 5
Naturally also in matrix arrangement and spaced apart and be formed with a plurality of crack between each other.It is fitted in these cracks more
A thermally conductive sheet, for cell heat to be led to external cooling equipment (such as water cooling heat exchanger) outward.
The key improvements of the present embodiment are that above-mentioned thermally conductive sheet changes traditional design, and use a kind of completely new structure shape
Formula, specifically: the thermally conductive sheet includes left sheet metal 1 and right sheet metal 2, and left sheet metal 1 is similar with the structure of right sheet metal 2, and two
Person is substantially in multistage S type bending structure.
Specifically, referring to shown in Fig. 3 to Fig. 6, above-mentioned left sheet metal 1 and right sheet metal 2 are equal respectively include:
Successively spaced apart in transverse direction and compatible with cylindrical battery outside wall surface multiple first cabochons folding
Turn of bilge 12a, and
The second arc that is successively spaced apart in transverse direction and being integrally attached between each first cabochon bending part
Face type bending part 12b.
In the present embodiment described " transverse direction ", refer to the long side extending direction of battery clamp 6 in Fig. 1.
First cabochon bending part 12a and the second cabochon bending part 12b are respectively provided with the indent side mutually deviated from
With evagination side.The evagination side of each first cabochon bending part 12a and on right sheet metal 2 each first on left sheet metal 1
The convex side face paste of cabochon bending part 12a by arrange and be welded and fixed (can certainly using other fixed forms, such as
It is fixed with rivet).Left sheet metal 1 is respectively arranged with public hook 101 at the both ends of transverse direction, and right sheet metal 2 is in transverse direction
The both ends in direction are respectively arranged with master card compatible with aforementioned public affairs hook 101 and hook 201.Each second on left sheet metal 1
The indent side of cabochon bending part 12b is opposite with the indent side of the second cabochon bending part 12b each on right sheet metal 2
Arrangement (face face arrangement), thus on left sheet metal 1 each second cabochon bending part 12b with it is each on right sheet metal 2
It is formed with multiple plunger jacks 3 between second cabochon bending part 12b, is fitted with plunger at least one of which plunger jack 3
4.Plunger 4 and plunger jack 3 are interference fitted, so that left sheet metal 1 and right sheet metal 2 are under the extruding force effect of plunger 4
And flexible deformation occurs and is close to arrangement with the outside wall surface large area of cylindrical battery 5, so that thermally conductive sheet and cylinder electricity
5 perfection of pond is adjacent to, and increases the heat exchange contact area of thermally conductive sheet Yu each cylindrical battery 5, improves the thermally conductive speed of thermally conductive sheet
Cell heat can be led to rapidly external heat dissipation equipment, quickly reduce the temperature of battery modules by rate.
In two adjacent thermally conductive sheets, the public hook 101 of one of thermally conductive sheet and the master card of another thermally conductive sheet hook 101
Card carries connection on the arm, so that the cylindrical battery 5 of battery modules side edge can be thermally conductive by adjacent two behind plunger insertion deformation hole
Piece is tightly embraced and (is adjacent to), prevents from sticking up and separating with battery cell outer peripheral surface outside the sheet metal end of left and right.
In addition, the present embodiment goes back punching heat-conducting glue accommodating on the indent side of above-mentioned first cabochon bending part 12a
Slot 12aa, and heat-conducting glue has been filled in heat-conducting glue accommodation groove 12aa.After plunger 4 is inserted into plunger jack 3, left 1 He of sheet metal
Right sheet metal 2 is squeezed and flexible deformation occurs, and heat-conducting glue accommodation groove 12aa shoals therewith deforming, in heat-conducting glue to
It is outer spilling and fill up in the gap between the first cabochon bending part 12a and cylindrical battery 5, thus the biography between improving the two
Hot rate.
In order to allow above-mentioned heat-conducting glue accommodation groove 12aa that there is better deformability, once the insertion of plunger 4 can will be thermally conductive
Glue accommodation groove 12aa extruding shoals, and the cell wall of heat-conducting glue accommodation groove 12aa protrudes from the first cabochon bending part 12a's in this example
Evagination side.
Above-mentioned left sheet metal 1 is an integral structure, and is in rectangle after flattening, and right sheet metal 2 is also an integral structure, and is opened up
It is also in rectangle after flat.
In order to facilitate the inserting of plunger 4, the plunger 4 in this example uses the flexible hose that both ends are thin and middle part is thick.
In addition, be additionally provided in plunger 4 can be with the phase-change material of energy storage for the present embodiment.When battery modules temperature is higher
When, phase-change material absorbs cell heat and becomes liquid from fixation；When battery modules temperature is too low, phase-change material releases heat
And it is battery heating.Even if can also using the energy storage characteristic of the phase-change material itself in this way, being not connected to external heat exchange equipment
To keep battery modules temperature in OK range to a certain extent.
Above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to allow people that can understand this Shen
Content please is simultaneously implemented accordingly, and the protection scope of the application can not be limited with this.It is all according to the application main technical schemes
The equivalent transformation or modification that Spirit Essence is done should all be covered within the scope of protection of this application.
Claims (10)
1. a kind of thermally conductive sheet, for being assembled in battery modules to draw cell heat outward, which is characterized in that described thermally conductive
Piece includes left sheet metal (1) and right sheet metal (2), and the left sheet metal (1) and right sheet metal (2) are equal respectively include:
Successively spaced apart in transverse direction and compatible with cylindrical battery outside wall surface several the first cabochon bendings
Portion (12a), and
The second arc that is successively spaced apart in transverse direction and being integrally attached between each first cabochon bending part
Face type bending part (12b)；
The first cabochon bending part (12a) and the second cabochon bending part (12b), which are respectively provided with, mutually deviates from
Indent side and evagination side, on the left sheet metal (1) the evagination side of each first cabochon bending part (12a) with it is described
The convex side face paste of each first cabochon bending part (12a) is by fixing on right sheet metal (2), and the left sheet metal (1) is in cross
It is respectively arranged with public hook (101) to the both ends in direction, the right sheet metal (2) is distinguished at the both ends of transverse direction
It is provided with the compatible master card with the public affairs hook (101) and hooks (201), each second cabochon folding on the left sheet metal (1)
The indent side of turn of bilge (12b) is opposite with the indent side of each second cabochon bending part (12b) on the right sheet metal (2)
Arrangement, thus on the left sheet metal (1) each second cabochon bending part (12b) with it is each on the right sheet metal (2)
The plunger jack (3) for inserting plunger (4) is formed between second cabochon bending part (12b).
2. thermally conductive sheet according to claim 1, which is characterized in that the concave side of the first cabochon bending part (12a)
Punching has heat-conducting glue accommodation groove (12aa) on face.
3. thermally conductive sheet according to claim 2, which is characterized in that be filled in the heat-conducting glue accommodation groove (12aa) thermally conductive
Glue.
4. thermally conductive sheet according to claim 2, which is characterized in that the cell wall of the heat-conducting glue accommodation groove (12aa) protrudes from
The evagination side of the first cabochon bending part (12a).
5. thermally conductive sheet according to claim 1, which is characterized in that be in rectangle, the right side after left sheet metal (1) flattening
It is also in rectangle after sheet metal (2) flattening.
6. thermally conductive sheet according to claim 1, which is characterized in that each first cabochon folding on the left sheet metal (1)
The evagination side of each first cabochon bending part (12a) is welded on the evagination side of turn of bilge (12a) and the right sheet metal (2)
It is fixed.
7. a kind of battery modules, comprising:
In several cylindrical batteries (5) that matrix is distributed, and
The crack being formed between the cylindrical battery (5)；
It is inserted it is characterized in that, plugging any thermally conductive sheet, the plunger just like in claim 1 to 6 in the crack
The plunger (4) with the plunger jack (3) interference fit, the left sheet metal (1) and the right sheet metal are inserted in hole (3)
(2) flexible deformation occurs, under the squeezing action of the plunger (4) to tight with the outside wall surface of the cylindrical battery (5)
Patch is set.
8. battery modules according to claim 7, which is characterized in that be provided with phase-change material in the plunger (4).
9. battery modules according to claim 7, which is characterized in that the plunger (4) is that both ends are thin and that middle part is thick is soft
Property hose.
10. battery modules according to claim 7, which is characterized in that the cylindrical battery (5) is inserted into plastic material
Battery clamp (6) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994716.1U CN208655839U (en) | 2018-06-26 | 2018-06-26 | Thermally conductive sheet and the battery modules for configuring the thermally conductive sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994716.1U CN208655839U (en) | 2018-06-26 | 2018-06-26 | Thermally conductive sheet and the battery modules for configuring the thermally conductive sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208655839U true CN208655839U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820994716.1U Active CN208655839U (en) | 2018-06-26 | 2018-06-26 | Thermally conductive sheet and the battery modules for configuring the thermally conductive sheet |
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| CN (1) | CN208655839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506939A (en) * | 2021-05-11 | 2021-10-15 | 深圳市威能讯电子有限公司 | Power supply structure with preheating module |
| CN114156582A (en) * | 2021-11-26 | 2022-03-08 | 湖南大学 | Light aluminum-plastic hybrid battery pack structure integrating rapid heat dissipation and heating |
-
2018
- 2018-06-26 CN CN201820994716.1U patent/CN208655839U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506939A (en) * | 2021-05-11 | 2021-10-15 | 深圳市威能讯电子有限公司 | Power supply structure with preheating module |
| CN113506939B (en) * | 2021-05-11 | 2023-03-10 | 深圳市威能讯电子有限公司 | Power supply structure with preheating module |
| CN114156582A (en) * | 2021-11-26 | 2022-03-08 | 湖南大学 | Light aluminum-plastic hybrid battery pack structure integrating rapid heat dissipation and heating |
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Effective date of registration: 20200327 Granted publication date: 20190326 |
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Date of cancellation: 20230309 Granted publication date: 20190326 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230823 Address after: Room J2243, No. 6, Lane 129, Huajiang Road, Jiading District, Shanghai, 201800 Patentee after: Shanghai Qike Network Technology Co.,Ltd. Address before: Building 5, 3rd Floor, No. 892 Wusong Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province, 215000 Patentee before: ANKAO (SUZHOU) ENERGY Co.,Ltd. |
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| TR01 | Transfer of patent right |