CN207967192U - Battery modules and battery pack - Google Patents
Battery modules and battery pack Download PDFInfo
- Publication number
- CN207967192U CN207967192U CN201820488349.8U CN201820488349U CN207967192U CN 207967192 U CN207967192 U CN 207967192U CN 201820488349 U CN201820488349 U CN 201820488349U CN 207967192 U CN207967192 U CN 207967192U
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- Prior art keywords
- interconnecting piece
- main part
- battery modules
- end plate
- section
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
This application involves energy storage device technical field more particularly to a kind of battery modules and battery pack.The battery modules include end plate and side plate, and the side plate includes main part and interconnecting piece, and the main part is different with the material of the interconnecting piece, and the main part is by the interconnecting piece and the end plate connection, to form the window frame structure for accommodating battery.The non-deformability of battery modules latus inframedium provided herein is stronger, safety higher.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of battery modules and battery pack.
Background technology
The window frame structure that side plate and end plate are formed is generally included in battery modules, window frame structure has the receiving for accommodating battery
Chamber.After used a period of time, battery inevitably expands battery modules, and can be squeezed after cell expansion
End plate and side plate, and in current battery modules, end plate is made of aluminium section bar, if side plate is also manufactured by aluminium section bar, in electricity
It when pond expands, is easy that side plate is made to deform, and then the Joint failure between side plate and end plate may be caused, this is unfavorable for
The trouble free service of battery modules.
Utility model content
This application provides a kind of battery modules and battery pack, the non-deformability of side plate is stronger, safety higher.
The first aspect of the application provides a kind of battery modules comprising end plate and side plate, the side plate include main body
The material of portion and interconnecting piece, the main part and the interconnecting piece is different, and the main part passes through the interconnecting piece and the end
Plate connects, to form the window frame structure for accommodating battery.
Further, the material of the main part is steel, and the material of the interconnecting piece is aluminium；The main part and the company
Socket part is integrally connected molding by cold pressing or hot pressing combination process.
Further, it is provided at least one first limiting section on the main part, is provided at least on the interconnecting piece
One the second limiting section, first limiting section and second limiting section are arranged in a one-to-one correspondence, and pass through first limiting section
With second limiting section, the main part and interconnecting piece limit cooperation.
Further, first limiting section has the first mounting hole, thickness of first mounting hole along the interconnecting piece
It spends direction and runs through the main part, along the thickness direction, at least part of second limiting section stretches into first peace
It fills in hole, is coordinated with being limited with the main part.
Further, there is the second mounting hole, second mounting hole is along the thickness direction on second limiting section
Through the interconnecting piece, first mounting hole is connected to second mounting hole.
Further, the main part includes straight panel section and bending section, the straight panel section by the bending section with it is described
Interconnecting piece connects, and the bending section extends from the end of the straight panel section, and a part is stacked at the end plate.
Further, the area of section of the interconnecting piece gradually increases along the separate direction of the bending section.
Further, there is the end plate connecting hole, the connecting hole to extend along the short transverse of the battery modules, institute
It states and is provided with evacuation notch on side plate, along the short transverse, the side plate is located at the part of the evacuation notch without departing from institute
End plate is stated, and the evacuation notch is stretched in outside at least part of the interconnecting piece.
Further, the end plate has connection boss, a part for a part for the main part and the interconnecting piece
It is overlapped in the connection boss.
The application second aspect provides a kind of battery pack, which includes battery modules described in any one of the above embodiments.
Technical solution provided by the present application can reach following advantageous effect：
In battery modules provided herein, side plate is formed by main part and interconnecting piece, main part can by hardness compared with
The big or stronger material of non-deformability is made, and then inhibits the degrees of expansion of battery to a certain extent, with prevent side plate because
Deflection is larger and Joint failure between end plate, to ensure battery modules energy trouble free service.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
The structural schematic diagram for the battery modules that Fig. 1 is provided by the embodiment of the present application；
A kind of structural schematic diagram for side plate that Fig. 2 is provided by the embodiment of the present application；
Fig. 3 is the A-A of side plate shown in Fig. 2 to sectional view；
Fig. 4 is the enlarged drawing of local I in side plate shown in Fig. 3；
The structural schematic diagram for another side plate that Fig. 5 is provided by the embodiment of the present application；
The structural schematic diagram for another side plate that Fig. 6 is provided by the embodiment of the present application；
Fig. 7 is the enlarged drawing of the local I I of side plate shown in fig. 6；
Fig. 8 is the partial cutaway view of side plate shown in fig. 6.
Reference numeral：
1- end plates；
11- connecting holes；
2- side plates；
21- main parts；
211- straight panel sections；
212- bending sections；
The first limiting sections of 213-；
The first mounting holes of 2131-；
22- interconnecting pieces；
The second limiting sections of 221-；
23- avoids notch.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As shown in Figure 1, the embodiment of the present application provides a kind of battery modules, which includes end plate 1 and side plate 2,
End plate 1 and side plate 2 connect, and form window frame structure, which can accommodate battery.Wherein, side plate 2 includes 21 He of main part
Interconnecting piece 22, in order to promote the non-deformability of entire side plate 2, as illustrated in figs. 2 through 8, used in main part 21 and interconnecting piece 22
Material is different, and main part 21 is connect by interconnecting piece 22 with end plate 1.Specifically, in order to ensure between end plate 1 and side plate 2
The stability of connection relation can make material identical used in manufacture interconnecting piece 22 and end plate 1, at the same may be used hardness compared with
The stronger material of big or non-deformability makes main part 21, to promote the non-deformability of entire side plate 2, and then in certain journey
The expansion that battery in battery modules is limited on degree achievees the purpose that promotion battery modules safety,
It is above-mentioned it is found that side plate 2 by main part 21 and interconnecting piece 22 connection formed, main part 21 can be larger or anti-by hardness
The stronger material of deformability is made, and then inhibits the degrees of expansion of battery to a certain extent, to prevent side plate 2 because of deflection
Larger and Joint failure between end plate 1, to ensure battery modules energy trouble free service.
More specifically, the material of main part 21 can be steel, the material of end plate 1 and interconnecting piece 22 can be aluminium, can adopt
Main part 21 is connected together with interconnecting piece 22 with combination process, such as hot pressing or cold pressing, it can between interconnecting piece 22 and end plate 1
It is connected in a manner of using welding；In addition, the quantity of end plate 1 and side plate 2 all can be two, and end plate 1 is made to replace with side plate 2
Connection forms window frame structure；Certainly, the quantity of end plate 1 and side plate 2 may be multiple, and multiple end plates 1 and multiple side plates 2
Between type of attachment also there are many, this is not described in detail.
For the ease of connection main part 21 and interconnecting piece 22, the first limiting section 213 can be set on main part 21, even
Second limiting section 221 is set in socket part 22, by the cooperation of the first limiting section 213 and the second limiting section 221, can make without
Main part 21 and interconnecting piece 22 the limit cooperation being fixedly connected, then by main part 21 and are connected by modes such as combination process again
Portion 22 is fixed together；Specifically, the first limiting section 213 and the second limiting section 221 can be arranged respectively to convex and
Recess structure, by the cooperation between both so that the position of main part 21 and interconnecting piece 22 obtains to a certain extent
To limitation, in order to the progress of main part 21 and the follow-up connection work of interconnecting piece 22, certainly, the first limiting section 213 and second limit
The structure type in position portion 221 also there are many, and the direction coordinated therebetween also has multiple, no longer describes one by one herein.More
Body, the first limiting section 213 and the second limiting section 221 can be provided with multiple, multiple first limiting sections 213 and multiple second
Limiting section 221 is arranged in a one-to-one correspondence, and the structure of each first limiting section 213 may be the same or different, and multiple first limits
Position of the portion 213 on main part 21 can also flexibly change according to actual conditions；Such as the first limiting section 213 and the second limiting section
221 can be arranged two, and two the first limiting sections 213 can be respectively arranged at main part 21 in battery modules short transverse
Both ends, this is not only convenient for the processing of the first limiting section 213, is also prevented from because of the first limiting section 213 and the second limiting section 221
Setting, and have an adverse effect to the assembling and subsequent installation of battery modules.
Optionally, as shown in fig. 7, the first mounting hole 2131, the first mounting hole can be provided on the first limiting section 213
2131 through-thickness run through main part 21, through-thickness, and at least part that the second limiting section 221 can be arranged stretches into the
In one mounting hole 2131, the purpose of interconnecting piece 22 and the limit cooperation of main part 21 may be implemented in this, specifically, can connect fixed
Main part 21 is connect with before interconnecting piece 22, first the first mounting hole 2131 is processed on the first limiting section 213, can such as pass through brill
The modes such as processing or Milling Process process the first mounting hole 2131 through main part 21 on the first limiting section 213, then
The second limiting section 221 of heavy platform shape can be processed on interconnecting piece 22 by way of punching press, and by the second limiting section 221
At least part stretches into the first mounting hole 2131 of the first limiting section 213, to reach to main part 21 and interconnecting piece 22
The process of the effect that position tentatively limits, this limit fit structure is simple and convenient, can promote the processing of battery modules
Efficiency；Then main part 21 is connected together by combination process again with interconnecting piece 22, then will be connected by modes such as welding
Portion 22 is connected together with end plate 1, the final purpose realized side plate 2 and be fixedly connected with end plate 1.
Preferably, the second mounting hole (not shown) can also can be being processed on the second limiting section 221, and make
Second mounting hole through-thickness runs through interconnecting piece 22, to be connected to the first mounting hole 2131, wherein 2131 He of the first mounting hole
The shapes and sizes of second mounting hole can also can be added by boring the modes such as processing on end plate 1 determines according to actual conditions
Work goes out the (not shown)s such as threaded hole, in the assembling process of battery modules, the first limiting section 213 and the second limiting section
221 while limiting cooperation, can also pass through the first mounting hole 2131 and the second mounting hole by connector (such as screw),
And connect with the threaded hole on end plate 1, this can further strengthen the connection relation between end plate 1 and side plate 2, whole to be promoted
The safety of a battery modules；Also, when by connector connecting lateral plate 2 and end plate 1, the second limiting section of heavy platform shape structure
221 can be also used for the head of accommodating connector, to prevent the head of connector from occupying the space outside battery modules.
Main part 21 may include straight panel section 211 and bending section 212, straight panel section 211 can by bending section 212 with connect
Portion 22 connects, wherein 21 both sides of main part may each comprise bending section 212, and correspondingly, two bending sections 212 can connect
There is interconnecting piece 22, bending section 212 extends from the end of straight panel section 211, in order to further enhance the company between side plate 2 and end plate 1
Stability is connect, a part of of bending section 212 can be stacked on end plate 1, to be sent out to by 2 position of proximal panel in battery
When raw expansion, the part for being located at end plate 1 is folded in interconnecting piece 22 and bending section 212, can bear a part of electricity to a certain extent
Chi Yin expands and is applied to the power on side plate 2, to reduce extruding degree of the battery to side plate 2, maintains between side plate 2 and end plate 1
Close-connected relationship.Wherein, main part 21 can be made of sheet metal, and bending can be formed by way of pressing and bending
Section 212；In addition, in order to reduce difficulty of processing, main part 21 and interconnecting piece 22 can be first connected, it then again will be in main part 21
Bending section 212 is made in a part.
Further, it can be provided with connecting hole 11 on end plate 1, and connecting hole 11 is made to prolong along the short transverse of battery modules
It stretches, in the assembling process of battery modules, connector (not shown) can be made to pass through connecting hole 11, end plate 1 is fixed
The installed position of bottom plate (not shown) or entire battery modules in battery modules, the presence of side plate 2 in order to prevent,
Stop the installation of former connector and influence the close connection relation between connector and end plate 1, can be arranged on side plate 2 and keep away
It allows notch 23, and in the short transverse of battery modules, is arranged and is located at the part of evacuation notch 23 in side plate 2 without departing from end plate 1,
In order to the installation of former connector；Meanwhile in order to ensure the bonding strength between end plate 1 and side plate 2, in the height of battery modules
It spends on direction, the evacuation notch 23 is stretched in outside at least part of interconnecting piece 22, to ensure to be provided with evacuation on side plate 2
While notch 23, the length of weld seam between side plate 2 and end plate 1 will not be reduced, and then can ensure between side plate 2 and end plate 1
Bonding strength, promote the safety of battery modules.Further, in interconnecting piece 22, further away from the part of bending section 212,
Area of section is bigger.Specifically, can be by the thickness value of increase interconnecting piece 22, it can also be by increasing interconnecting piece 22 in battery
Size value in module short transverse, after such setting so that the connection area between interconnecting piece 22 and end plate 1 is increased
Greatly, to further promote the connection reliability between entire side plate 2 and end plate 1.Wherein, aforementioned area of section refers to connecting
The area that cuts face of the portion 22 along thickness direction.
Since at least part of interconnecting piece 22 can be stacked on main part 21, in order to make to be pasted between side plate 2 and end plate 1
It closes closer, connection boss (not shown) can be provided on end plate 1, in the connection procedure of side plate 2 and end plate 1,
A part for main part 21 and a part for interconnecting piece 22 can be overlapped on connection boss, to prevent the process in welding
In, there is gap between end plate 1 in the thickness direction thereof in interconnecting piece 22, and the connection reduced between side plate 2 and end plate 1 is strong
Degree.
Optionally, as viewed in figures 5-8, along the thickness direction of interconnecting piece 22, at least part of interconnecting piece 22, which can fold, to be set
In the outside of main part 21.Specifically, main part 21 and interconnecting piece 22 all can be metal plate-like structure, can by cold pressing or
Folded set of at least part of interconnecting piece 22 is connected on main part 21 by the combination process such as hot pressing, after such setting, works as battery
Battery in module expands so that when battery extrusion side plate 2, since interconnecting piece 22 is connect with end plate 1, and at least part
It is folded to be located on main part 21, even if thus main part 21 be squeezed the effect of power and sell off shape to battery modules excurvation, interconnecting piece
22 can also apply the active force for preventing main part 21 from deforming to main part 21, to reduce main part 21 to a certain extent
Deflection achievees the purpose that promote battery modules end plates 1 and 2 connective stability of side plate.
Based on the battery modules that any of the above-described embodiment is provided, the application also provides a kind of battery pack, in the battery pack
May include multiple battery modules, multiple battery modules can be by certain regular array, and to form capacity, current or voltage meets
The battery pack of use demand.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery modules, which is characterized in that including end plate and side plate, the side plate includes main part and interconnecting piece, described
Main part is different with the material of the interconnecting piece, and the main part is by the interconnecting piece and the end plate connection, to form use
In the window frame structure for accommodating battery.
2. battery modules according to claim 1, which is characterized in that the material of the main part is steel, the interconnecting piece
Material be aluminium；The main part and the interconnecting piece are integrally connected molding by cold pressing or hot pressing combination process.
3. battery modules according to claim 1, which is characterized in that be provided at least one first limit on the main part
Position portion is provided at least one second limiting section on the interconnecting piece, and first limiting section and second limiting section are one by one
It is correspondingly arranged, by first limiting section and second limiting section, the main part and interconnecting piece limit cooperation.
4. battery modules according to claim 3, which is characterized in that first limiting section has the first mounting hole, institute
The thickness direction that the first mounting hole is stated along the interconnecting piece runs through the main part, along the thickness direction, second limit
At least part in portion stretches into first mounting hole, is coordinated with being limited with the main part.
5. battery modules according to claim 4, which is characterized in that there is the second mounting hole on second limiting section,
Second mounting hole runs through the interconnecting piece along the thickness direction, and first mounting hole connects with second mounting hole
It is logical.
6. battery modules according to claim 1, which is characterized in that the main part includes straight panel section and bending section, institute
It states straight panel section to connect with the interconnecting piece by the bending section, the bending section extends from the end of the straight panel section, and one
Part is stacked at the end plate.
7. battery modules according to claim 6, which is characterized in that the area of section of the interconnecting piece is along the bending
The separate direction of section gradually increases.
8. battery modules according to claim 7, which is characterized in that the end plate has connecting hole, the connecting hole edge
The short transverse of the battery modules extends, and evacuation notch is provided on the side plate, along the short transverse, the side plate position
The evacuation is stretched in the part of the evacuation notch without departing from the end plate, and outside at least part of the interconnecting piece to lack
Mouthful.
9. battery modules according to claim 4, which is characterized in that the end plate has connection boss, the main part
A part and the part of the interconnecting piece be overlapped in the connection boss.
10. a kind of battery pack, which is characterized in that including the battery modules described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820488349.8U CN207967192U (en) | 2018-04-08 | 2018-04-08 | Battery modules and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820488349.8U CN207967192U (en) | 2018-04-08 | 2018-04-08 | Battery modules and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207967192U true CN207967192U (en) | 2018-10-12 |
Family
ID=63727342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820488349.8U Active CN207967192U (en) | 2018-04-08 | 2018-04-08 | Battery modules and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207967192U (en) |
-
2018
- 2018-04-08 CN CN201820488349.8U patent/CN207967192U/en active Active
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