CN209328972U - Battery modules and its auxiliary heat conduction component - Google Patents
Battery modules and its auxiliary heat conduction component Download PDFInfo
- Publication number
- CN209328972U CN209328972U CN201821990699.0U CN201821990699U CN209328972U CN 209328972 U CN209328972 U CN 209328972U CN 201821990699 U CN201821990699 U CN 201821990699U CN 209328972 U CN209328972 U CN 209328972U
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- Prior art keywords
- thermally conductive
- battery
- battery modules
- plug
- conductive sheet
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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
This application discloses a kind of battery modules and its auxiliary heat conduction components, battery modules include: battery clamp, battery cell, the transverse slot being formed between battery cell and longitudinal slot, the thermally conductive sheet being inserted in transverse slot, thermally conductive sheet include arc surface shape bending part that several are sequentially distributed along the direction x, compatible with the outer peripheral surface of the battery cell；The cutting being inserted in longitudinal slot, the cutting includes being fixedly connected along the horizontal-extending connection strap in the direction y and with connection strap and successively several spaced apart plugs in the y-direction, each plug is downwardly extending from connection strap bottom in the z-direction, and plug applies the extruding force in the direction y with thermally conductive sheet abutting contact and to thermally conductive sheet, to make the arc surface shape bending part of thermally conductive sheet be bonded with the extruding of the outer peripheral surface of battery cell.The application can be obviously improved the radiating efficiency and heating efficiency of battery modules, while promote the structural stability of battery modules.
Description
Technical field
This application involves field of batteries, and in particular to a kind of battery modules and its auxiliary heat conduction component.
Background technique
Battery modules temperature it is excessively high there are thermal runaway, it is on fire the problems such as, battery modules temperature is too low there are poor electrical performance
Problem.So when battery modules when the temperature is excessively high, need to draw its heat and reduce battery temperature；When battery modules temperature
When too low, need to heat it and increase battery temperature.
In order to allow battery modules to cool down that when the temperature is excessively high can export outward cell heat rapidly, while in battery
External heat can be passed to rapidly and heat up when too low by module temperature, and peace has developed each in cylindrical battery mould group by company
The technical solution of thermally conductive sheet is plugged in the gap of battery cell.It, will be each by the thermally conductive sheet being in contact with battery cell when work
The heat of battery cell draws, the temperature to reduce each battery cell, or by aforementioned thermally conductive sheet by external heater
Heat be rapidly introduced into battery cell, to making the temperature of each battery cell increase.
Each battery cell is cylindrical structure in cylindrical battery mould group, and outer surface is arcwall face.It is thermally conductive in order to increase
Thermally conductive sheet is usually made arc surfaced bending design, to realize thermally conductive sheet and battery by the heat exchange contact area of piece and battery cell
The cambered surface of monomer contacts.But thermally conductive sheet and battery cell are hard structure, after thermally conductive sheet inserts in gap, thermally conductive sheet with
Battery cell can not be bonded well, and be formed with certain small―gap suture between, thus negative sense influence battery with it is thermally conductive
The rate of heat transfer of piece causes the promotion of battery modules radiating efficiency or heating efficiency not significant.
Summary of the invention
The purpose of the application, is: in view of the above-mentioned problems, a kind of battery modules and its auxiliary heat conduction component are proposed, to be obviously improved
The radiating efficiency or heating efficiency of battery modules, while promoting the structural stability of battery modules.
The technical solution of the application is:
A kind of battery modules, comprising:
Battery clamp is formed with several battery plug-in openings in rectangular distribution on the battery clamp；
Several cylindrical battery cells, the battery cell are inserted in the battery plug-in opening and in matrixes
Shape is spaced apart from each other；
Several transverse slots extended in the x-direction being formed between the battery cell and several prolong in the y-direction
The longitudinal slot stretched, the transverse slot and longitudinal slot arrangement intersected with each other；And
The thermally conductive sheet being inserted in the transverse slot, the thermally conductive sheet include it is that several are sequentially distributed along the direction x,
Arc surface shape bending part compatible with the outer peripheral surface of the battery cell；
It further include the cutting being inserted in the longitudinal slot, which includes along the horizontal-extending connection strap in the direction y
And be fixedly connected with the connection strap and successively several spaced apart plugs in the y-direction, each plug is from institute
It states connection strap bottom to be downwardly extending in the z-direction, the plug and the thermally conductive sheet abutting contact simultaneously apply the thermally conductive sheet
Add extruding force, to make the arc surface shape bending part of the thermally conductive sheet be bonded with the extruding of the outer peripheral surface of the battery cell.
This battery modules of the application further include following preferred embodiment based on the above technical solution:
The lower end of the plug is tip.
The plug has the arc surface shape outer surface of indent compatible with the arc surface shape bending part.
In the same cutting, two plugs in most end are respectively set there are two the arc surface shape
Outer surface, the plug in non-end is respectively set there are four arc surface shape outer surface, and this four arc surfaces
Shape outer surface assumes diamond in shape distribution.
The plug has lightening hole.
Gap in each described cutting between two plugs of arbitrary neighborhood, the y of bottom are greater than to size
The y at top is to size.
Thermally conductive item that the thermally conductive sheet is extended in the x-direction by two and be integrally connected to this two thermally conductive one ends it
Between the hot item of drawing constitute, several arc surface shape foldings being sequentially arranged in the x-direction are formed on every thermally conductive item
Turn of bilge；Two thermally conductive items of the thermally conductive sheet are inserted in respectively in two adjacent transverse slots, and will be corresponding same
Row's battery cell is folded between this two thermally conductive items.
Two thermally conductive items are disposed in transverse slot described in each, and this two thermally conductive items are belonging respectively to two differences
The thermally conductive sheet.
The one or both ends of the two neighboring thermally conductive sheet are fixedly connected.
A kind of auxiliary heat conduction component for battery modules, which is characterized in that including cutting, the cutting includes along y
The horizontal-extending connection strap in direction and be fixedly connected with the connection strap and in the y-direction successively it is spaced apart several insert
Head, each plug are downwardly extending from the connection strap bottom in the z-direction.
The advantages of the application, is:
1, the application has inserted specially designed cutting in the battery modules with thermally conductive sheet.Each plug in cutting
Interference is inserted in the gap of battery modules and applies certain extruding force to thermally conductive sheet respectively, so that thermally conductive sheet is affixed to electricity
Pond monomer improves the compactness of thermally conductive sheet and battery cell, improves the heat transfer efficiency of the two, and then improve battery modules
Heat dissipation or heating rate.
2, behind the gap of each plug insertion battery modules of cutting, each battery cell inserting by cutting of battery modules
Head mutual extrusion in radial directions reduces each battery cell and swings in the opposite of radial direction, effectively improves operation vibration
The reliability of dynamic process battery core solder joint, improves the structural stability of battery modules entirety.
3, cutting has multiple plugs, the gap between adjacent two plug formed it is low wide and up narrow being capable of level (y
To) card slot that tenses adjacent two thermally conductive sheet, battery modules can not only be very easily packed into, and be packed into battery modules
Afterwards, each plug cooperates, and can prevent the battery cell of battery modules from generating inclination because of extruding force, battery modules is avoided to send out
Change shape.
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.
Overlooking structure diagram when Fig. 1 is the unassembled cutting of battery modules in the embodiment of the present application；
Fig. 2 is the assembling schematic diagram of battery modules and cutting in the embodiment of the present application；
Fig. 3 is the schematic perspective view that battery modules assemble after cutting in the embodiment of the present application；
Fig. 4 is the schematic perspective view that battery modules assemble another visual angle after cutting in the embodiment of the present application；
Fig. 5 is the schematic perspective view of cutting in the embodiment of the present application；
Fig. 6 is the overlooking structure diagram of cutting in the embodiment of the present application；
Fig. 7 is the schematic perspective view of thermally conductive sheet in the embodiment of the present application；
Wherein: the transverse slot a-, b- longitudinal slot, the gap between the two neighboring plug of c-, 1- battery clamp, 101- electricity
Pond plug-in opening, 2- battery cell, 3- thermally conductive sheet, the thermally conductive item of 301-, 301a- arc surface shape bending part, 302- heat transfer item, 4- are inserted
Item, 401- plug, 401a- lightening hole, 402- connection strap.
Specific embodiment
The application is described in further detail below by specific embodiment combination attached drawing.The application can be with a variety of
Different forms is realized, however it is not limited to embodiment described in the present embodiment.The purpose of following specific embodiments is provided
It is easy for becoming apparent from present disclosure thorough explanation, wherein the words of the indicating positions such as upper and lower, left and right is only needle
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit, or can also adopt with other methods, component or material.In some instances, some embodiments are not described
Or it is not described later in detail.
In addition, technical characteristic described herein, technical solution can also be in one or more embodiments arbitrarily to close
Suitable mode combines.For those skilled in the art, it should be readily appreciated that method related with embodiment provided herein
Step or operation order can also change.Therefore, any sequence in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, is required unless expressly stated according to a certain sequence.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Described direction term in the present embodiment, using Fig. 1 as reference, in Fig. 1, the left and right directions for being parallel to paper is x
Direction, the up and down direction for being parallel to paper is the direction y, and the inward-outward direction perpendicular to paper is the direction z.
A preferred embodiment of this battery modules of the application shown by Fig. 1 to Fig. 5, the battery modules are cylinder
Lithium ion battery mould group, identical with conventional batteries mould group to be, which also includes battery clamp 1, more battery cells 2
With multiple thermally conductive sheets 3.Wherein, multiple battery plug-in openings 101 in rectangular distribution are formed on battery clamp 1.Each battery list
The positive terminal (or negative pole end) of body 2 is inserted into corresponding battery plug-in opening 101 respectively and by being inlaid in battery plug-in opening
Conductive metal sheet (being not drawn into figure) be connected in parallel.These battery cells 2 are also in rectangular by the limit of battery plug-in opening 101
Distribution, and separates the distance of very little each other, a plurality of extends in the x-direction to form between these battery cells 2
Transverse slot a and a plurality of longitudinal slot b extended in the y-direction, transverse slot a and longitudinal slot b square crossing.Thermally conductive sheet 3
It is inserted into a of aforementioned lateral gap.And in order to increase the contact area of thermally conductive sheet 3 Yu battery cell, the present embodiment is to thermally conductive
Piece 3 makees bending processing, and thermally conductive sheet 3 is made to have multiple outer peripheral surfaces being sequentially distributed along the direction x, with the battery cell 2
Compatible arc surface shape bending part 301a.
The key improvements of the present embodiment are: the battery modules be provided be inserted in it is multiple in above-mentioned longitudinal slot b
Cutting 4.Aforementioned cutting 4 includes that be fixedly connected along the horizontal-extending connection strap 402 in the direction y and with the connection strap multiple insert
First 401, these plugs 401 are along the direction y successively arranged for interval on connection strap 402, and each plug 401 is from aforementioned company
The bottom of narrow bars 402 extends downwardly in the z-direction and is formed.Plug 401 be inserted in the gap of battery modules and with it is aforementioned thermally conductive
3 abutting contact of piece, while the extruding force (predominantly y to extruding force) of horizontal direction is applied with to thermally conductive sheet 3, in aforementioned extruding force
Under effect, so that the arc surface shape bending part 301a of thermally conductive sheet 3 is bonded with the extruding of the outer peripheral surface of battery cell 1, so improve
The compactness of thermally conductive sheet 3 and battery cell 1 improves the heat transfer efficiency of the two, and then improves the heat dissipation of battery modules or add
The thermal efficiency.
The longitudinal slot b of the vertical insertion battery modules of above-mentioned cutting 4 for convenience, the present embodiment is by above-mentioned plug 401
Lower end is arranged to cutting-edge structure.
In order to allow plug 401 can thermal contact conductance piece 3 as much as possible so that the patch of thermally conductive sheet 3 and battery cell 2
Right more preferable, the plug 3 in the present embodiment has the circular arc of indent compatible with arc surface shape bending part 301a on thermally conductive sheet 3
Face shape outer surface.When cutting 4 be inserted into mould group after, the arc surface shape outer surface of cutting 4 just with arc surface shape bending on thermally conductive sheet 3
Portion's 301a abutting contact, to apply large area and relatively uniform extruding to the arc surface shape bending part 301a of thermally conductive sheet 3
Power makes arc surface shape bending part 301a integrally press to the outer peripheral surface of battery cell 2.
Shown in referring to figure 5 and figure 6, the cutting 4 in the present embodiment is configured with 13 plugs 401 altogether.In this 13 plugs 401
In, two plugs 401 in most end are provided only with two above-mentioned arc surface shape outer surfaces respectively；And in non-end
11 plugs 401 are respectively set there are four above-mentioned arc surface shape outer surface, and this four arc surface shape outer surfaces are in water chestnut
Shape distribution.This is because the plug of non-end is usually inserted between the battery cell of four adjacent arrangements that are square, plug
Four arc surface shape outer surfaces just with the outer peripheral surface of this four batteries or stick on thermally conductive at these battery outer peripheral surfaces
Piece arc surface shape bending part 301a squeezes contact；And the plug of most end be typically arranged in it is at mould group outer side edges and adjacent
Two batteries between, two arc surface shape outer surfaces of plug just with the outer peripheral surface of this two batteries or stick on this
Thermally conductive sheet arc surface shape bending part 301a at two battery outer peripheral surfaces squeezes contact.
Obviously, if not considering cost of manufacture factor, above-mentioned 13 plugs 401 can uniformly be arranged to together by we completely
The structure of sample --- all have four arc surface shape outer surfaces.
401 quantity of plug in cutting 4 can be arbitrarily arranged as needed, in general should be no less than three.
Above-mentioned cutting 4 is an integral structure, i.e. the plug 401 and connection strap 402 of cutting 4 are integral formula structure.
Battery modules are self-possessed energy density that is excessive and reducing mould group in order to prevent, the above-mentioned plug 401 in the present embodiment
Using the hollow structure with lightening hole 401a, such as Fig. 5 and Fig. 6.
It refers again to shown in Fig. 6, the gap c in above-mentioned cutting 4 between two plugs 401 of arbitrary neighborhood, the y of bottom is to ruler
The very little y greater than top is to size.The advantages of being designed in this way is: when battery modules are inserted into cutting 4, adjacent two transverse slots a
In thermally conductive sheet 3 (convergence part of adjacent two arc surfaces shape bending part 301a specially on thermally conductive sheet 3) can gradually by aforementioned
The extruding of the two sides gap c and it is close to each other, further promote thermally conductive sheet 3 and battery cell 2 is bonded intensity.
As shown in fig. 7, in the present embodiment above-mentioned thermally conductive sheet 3 outer profile approximation U-shaped, substantially parallel led by two
Hot item 301 and the hot item 302 that draws being integrally connected between this two thermally conductive 301 one ends of item are constituted.The length of thermally conductive item 301
Extend in the x-direction and for tortuous laminated structure, forms and multiple be sequentially arranged on the thermally conductive item 301 of each in the x-direction
Above-mentioned arc surface shape bending part 301a.And this two thermally conductive items 301 be inserted in two adjacent transverse slot a respectively,
And between by corresponding 2 sandwiched of row battery cell.
When practical application, above-mentioned thermally conductive sheet 3 draws hot item 302 for connecting with extraneous heat exchanger (cooler or heater) heat
It connecing, the heat that thermally conductive sheet 3 absorbs, which is led to external cooler, makes battery cool down (battery modules are when the temperature is excessively high), or
The heat of external heater is introduced into the thermally conductive sheet 3 to be battery cell heat temperature raising (when battery modules temperature is too low).
Further, above-mentioned thermally conductive sheet 3 is fitted in a of each transverse slot, and in a of each transverse slot
Two thermally conductive items 301 are disposed with, this two thermally conductive items 301 are belonging respectively to two different thermally conductive sheets 3, such as Fig. 1.In this way, cutting 4
Plug 401 inside upper insertion battery modules is always resisted against between two thermally conductive items 301 simultaneously, thus to this two thermally conductive items
301 apply contrary y to extruding force, and the periphery of respective battery monomer 2 can be pressed to well by making this two thermally conductive items 301
Face.
Obviously, in practical application, we also can choose only inserts and lead in a few transverse slot a of battery modules
Backing 3, at this moment, inevitable only a fraction thermally conductive sheet 3 can be contacted with the extruding of thermally conductive sheet 3, and a part of plug 401, which can not touch, leads
Backing 3, only side contacts and outer peripheral surface of the other side directly with battery cell 2 some plug 401 with thermally conductive sheet extruding
Squeeze contact.
Above-mentioned thermally conductive sheet 3 can be solid metal piece, be also possible to the internal hollow metal piece for having phase change fluid.
Obviously, we can regard above-mentioned each thermally conductive item 301 as an independent thermally conductive sheet completely, then in this feelings
Under condition, the present embodiment, which is equivalent to, is integrally fixedly connected with (U-shaped connection) one end of corresponding two thermally conductive sheets and by the two
It is arranged to a monolithic construction.Naturally, we can also insert the two thermally conductive sheets (two thermally conductive items i.e. in the present embodiment)
After entering battery modules, then the both ends of the two are welded or riveted into fixation, so that entire row battery be made to be encircled in the two thermally conductive sheets
Between, when two thermally conductive sheets are by the extruding force for being directed toward intermediate cell monomer, thermally conductive sheet both ends will not inside contract or tilt, and guarantee to lead
Backing and battery cell compactness.
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 battery modules, comprising:
Battery clamp (1) is formed with several battery plug-in openings (101) in rectangular distribution on the battery clamp (1)；
Several cylindrical battery cells (2), the battery cell (2) be inserted in the battery plug-in opening (101) and
It is spaced apart from each other in rectangular；
It is formed in several transverse slots (a) extended in the x-direction between the battery cell (2) and several in the y-direction
The longitudinal slot (b) of extension, the transverse slot (a) and the longitudinal slot (b) arrangement intersected with each other；And
The thermally conductive sheet (3) being inserted in the transverse slot (a), the thermally conductive sheet (3) include that several successively divide along the direction x
Cloth, compatible with the outer peripheral surface of the battery cell (2) arc surface shape bending part (301a)；
It is characterized in that, further including the cutting (4) being inserted in the longitudinal slot (b), which includes along the direction y
Horizontal-extending connection strap (402) and be fixedly connected with the connection strap and in the y-direction successively it is spaced apart several insert
Head (401), each plug (401) extend downwardly from the connection strap bottom in the z-direction and are formed, the plug
(401) apply extruding force with the thermally conductive sheet (3) abutting contact and to the thermally conductive sheet (3), to make the thermally conductive sheet (3)
The outer peripheral surface extruding of the arc surface shape bending part (301a) and the battery cell (2) be bonded.
2. battery modules according to claim 1, which is characterized in that the lower end of the plug (401) is tip.
3. battery modules according to claim 2, which is characterized in that the plug (401) has and the arc surface shape
The arc surface shape outer surface of the compatible indent of bending part (301a).
4. battery modules according to claim 2, which is characterized in that in the same cutting (4), be in most end
Two plugs (401) be respectively set there are two arc surface shape outer surface, the plug difference in non-end
Setting is there are four arc surface shape outer surface, and this four arc surface shape outer surfaces assume diamond in shape distribution.
5. battery modules according to claim 4, which is characterized in that the plug (401) has lightening hole (401a).
6. battery modules according to claim 1, which is characterized in that arbitrary neighborhood two in each described cutting (4)
Gap (c) between the plug (401), the y of bottom are greater than the y at top to size to size.
7. battery modules according to claim 1, which is characterized in that the thermally conductive sheet (3) was extended in the x-direction by two
Thermally conductive item (301) and draw hot item (302) being integrally connected between this two thermally conductive item (301) one ends are constituted, every institute
It states and forms several arc surface shape bending parts (301a) being sequentially arranged in the x-direction on thermally conductive item (301)；It is described to lead
The thermally conductive item (301) of two of backing (3) is inserted in respectively in two adjacent transverse slots (a), and will be corresponding same
Row battery cell (2) is folded between this two thermally conductive items (301).
8. battery modules according to claim 7, which is characterized in that be disposed with two in transverse slot (a) described in each
The thermally conductive item of item (301), and this two thermally conductive items (301) are belonging respectively to two different thermally conductive sheets (3).
9. battery modules according to claim 1, which is characterized in that one end or two of the two neighboring thermally conductive sheet (3)
End is fixedly connected.
10. a kind of auxiliary heat conduction component for battery modules, which is characterized in that including cutting (4), the cutting (4) includes
It is fixedly connected along the horizontal-extending connection strap in the direction y (402) and with the connection strap and successively spaced apart in the y-direction
Several plugs (401), each plug (401) are downwardly extending from the connection strap bottom in the z-direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990699.0U CN209328972U (en) | 2018-11-29 | 2018-11-29 | Battery modules and its auxiliary heat conduction component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990699.0U CN209328972U (en) | 2018-11-29 | 2018-11-29 | Battery modules and its auxiliary heat conduction component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328972U true CN209328972U (en) | 2019-08-30 |
Family
ID=67712190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821990699.0U Expired - Fee Related CN209328972U (en) | 2018-11-29 | 2018-11-29 | Battery modules and its auxiliary heat conduction component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473588A (en) * | 2018-11-29 | 2019-03-15 | 苏州安靠电源有限公司 | Battery modules and its auxiliary heat conduction component |
-
2018
- 2018-11-29 CN CN201821990699.0U patent/CN209328972U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473588A (en) * | 2018-11-29 | 2019-03-15 | 苏州安靠电源有限公司 | Battery modules and its auxiliary heat conduction component |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20211129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |