CN206003872U - Battery modules - Google Patents
Battery modules Download PDFInfo
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- CN206003872U CN206003872U CN201621076612.XU CN201621076612U CN206003872U CN 206003872 U CN206003872 U CN 206003872U CN 201621076612 U CN201621076612 U CN 201621076612U CN 206003872 U CN206003872 U CN 206003872U
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- Prior art keywords
- end plate
- battery modules
- sleeve
- modules according
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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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- Battery Mounting, Suspending (AREA)
Abstract
The application is related to battery modules.Battery modules include pedestal, end plate, side plate and some set components；Described end plate is connected with described pedestal by described set component with described side plate, described set component includes body and connector, also include transition piece, described transition piece has transition plane, described transition plane is vertical with the axis of described body, towards the side of described transition piece, there is mating surface on described connector, described mating surface is fitted with described transition plane.The program allows the connector to screw in pedestal along the axis of body, reduces the connection difficulty of connector and pedestal, improves installation effectiveness.
Description
Technical field
The application is related to cell art, more particularly, to a kind of battery modules.
Background technology
Battery modules generally include multiple battery cores, a pair of end plate, a pair of side plates, pedestal and multiple set component, a pair of end
Plate and a pair of side plates are interconnected to form the framework of battery modules, multiple battery cores being arranged in metal framework of rule side by side.Set
Component includes sleeve and clamping screw, and sleeve is arranged on the rotation angle position of metal framework, and is fixedly connected with end plate or side plate, lock
Tight bolt passes through sleeve to extend towards pedestal, and the head of clamping screw is resisted against the upper surface of sleeve, the threaded portion of its afterbody
Screw in pedestal and metal framework is fixed on pedestal.
Sleeve is affected by processing technique, and the flatness of its upper surface is poor, for example, when sleeve is processed in the way of rolling
When, according to mechanics principle, extrusion stress when rolling makes to form convex closure in the upper surface of sleeve, when clamping screw locks
When the upper surface of sleeve, the threaded portion of clamping screw cannot screw in pedestal along the axis direction of itself, increased locking
Difficulty when bolt is connected with pedestal, installation effectiveness reduces.It is, therefore, desirable to provide a kind of improved plan solves drawbacks described above.
Utility model content
The embodiment of the present application provides a kind of battery modules, can improve drawbacks described above.
A kind of battery modules, including pedestal, end plate, side plate and some set components；
Described end plate is connected with described pedestal by described set component with described side plate, and described set component includes body and company
Fitting,
Also include transition piece, described transition piece has transition plane, described transition plane is vertical with the axis of described body,
Towards the side of described transition piece, there is mating surface on described connector, described mating surface and described transition plane phase
Laminating.
Preferably, described transition piece includes positioning section and supporting section, and described positioning section is connected with described supporting section, institute
State positioning section and described body location fit, described transition plane is arranged at described supporting section.
Preferably, described positioning section includes sleeve, and described sleeve is sheathed on described body.
Preferably, described sleeve is sheathed in described body.
Preferably, described supporting section includes extension board, and described extension board is from the outer peripheral face of described sleeve along described sleeve
Extend radially outwardly, described transition plane is arranged at a side surface towards described mating surface for the described extension board.
Preferably, the inwall of described sleeve one end away from described supporting section is provided with spigot surface, described spigot surface from
Described inwall is to the lopsidedness of the outer wall near described sleeve.
Preferably, the shape of the cross section of described sleeve and described body is annular,
Described battery modules also include limiting section, and described limiting section is used for limiting the week that described sleeve is with respect to described body
To displacement.
Preferably, described limiting section includes the boss being arranged on the outer peripheral face of described sleeve, described boss and described pipe
The inwall of body against.
Preferably, described end plate includes first end plate and the second end plate, and described first end plate is with described second end plate even
Connect formation double-decker, in described double-decker, leave cavity.
Preferably, described end plate also includes the first position limiting structure, and described first position limiting structure is used for limiting described first end
Plate and described second end plate are along the relative displacement of described battery unit short transverse.
Preferably, described end plate also includes the second position limiting structure, and described second position limiting structure is used for limiting described first end
Plate and described second end plate are towards the relative displacement of described side plate.
The technical scheme that the application provides can reach following beneficial effect：
This application provides a kind of battery modules, including pedestal, end plate, side plate and some set components, end plate and side plate
It is connected on pedestal by covering component, also include transition piece in battery modules, transition piece has transition plane, transition plane and pipe
The axis of body is vertical, and set component includes body and connector, and connector has mating surface towards the side of transition piece, works as connector
Through body end plate and side plate are connected on pedestal when, this mating surface and transition plane fit.As a result, connector energy
Enough axis along body screw in pedestal, reduce the connection difficulty of connector and pedestal, improve installation effectiveness.
It should be appreciated that above general description and detailed description hereinafter are only exemplary, can not be limited this
Application.
Brief description
The installation diagram of the battery modules that Fig. 1 provides for the embodiment of the present application；
The three-dimensional exploded view of the battery modules that Fig. 2 provides for the embodiment of the present application；
The connection diagram of the transition piece that Fig. 3 provides for the embodiment of the present application and body；
The axonometric chart of the transition piece that Fig. 4 provides for the embodiment of the present application；
The sectional view of the transition piece that Fig. 5 provides for the embodiment of the present application；
The installation diagram of the end plate that Fig. 6 provides for the embodiment of the present application；
The three-dimensional exploded view of the end plate that Fig. 7 provides for the embodiment of the present application.
Reference：
1- battery unit；
2- end plate；
21- first end plate；
211- first flanging；
212- recess；
22- second end plate；
221- first groove；
3- side plate；
4- body；
5- transition piece；
51- transition plane；
52- sleeve；
521- spigot surface；
53- extension board.
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the application
Example, and be used for explaining the principle of the application together with description.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As shown in Figure 1-2, the embodiment of the present application provides a kind of battery modules, including pedestal (not shown), multiple
Battery unit 1, a pair of end plate 2, a pair of side plates 3, multiple set component.
Multiple battery units 1 require according to the connection in series-parallel of battery modules, the thickness side on pedestal and along battery unit 1
To stacking and width face be close to；A pair of end plate 2 is located at the two of multiple battery unit 1 thickness directions (X-direction in Fig. 1) respectively
Side, and it is close to the outermost battery unit 1 of multiple battery units 1, and the width (Y-direction in Fig. 1) along battery unit 1
Extend；A pair of side plates 3 is located at the both sides of the width of multiple battery units 1 respectively, and the thickness direction along battery unit 1 prolongs
Stretch.
End plate 2 is fixedly connected with side plate 3, and is connected on pedestal by covering component, and set component includes body 4 and connector
(not shown), body 4 is extended and is connected with side plate 3 or end plate 2 along the short transverse of battery unit 1, and connector is permissible
It is bolt, the threaded portion on connector passes from body 4 and extends towards pedestal, and side plate 3 and end plate 2 are screwed onto pedestal
On.
Under normal circumstances, body 4 can be processed by casting technique, and body 4 can be used as a single part.
In addition, body 4 can also be formed integrally on the two ends of end plate 2 or side plate 3 by the way of rolling, i.e. body 4 and end plate 2
Or side plate 3 is integral type structure.In the embodiment shown in fig. 2, body 4 and end plate 2 are integral type structure, and the program is permissible
Save the attachment structure of body 4 and end plate 2, and integral structure is compared compared with split-type structural, bonding strength is higher.
As shown in figure 3, also including transition piece 5 in battery modules, transition piece 5 has transition plane 51, when transition piece 5 is pacified
After dress, the axis perpendicular of transition plane 51 and body 4, " vertical " here refers to the axis of transition plane 51 and body 4
For substantially vertical, i.e. vertical angle has allowed low-angle deviation, it is not proper vertical.When connector passes through pipe
During body 4, connector is fitted so that connector can be along the axle of body 4 towards the mating surface of transition piece 5 with transition plane 51
Line screws in pedestal, reduces the connection difficulty of connector and pedestal, improves the installation effectiveness of battery modules.
According to an embodiment, transition piece 5 includes positioning section and supporting section, and positioning section is connected with supporting section, wherein,
Positioning section can be used for and body 4 location fit, supporting section can be used for arrange transition plane 51.For example, positioning section is permissible
Using multiple locating detents of the periphery setting along body 4, locating detent clamping body 4 realizes positioning；Supporting section can be using flat
Plate, transition plane is the surface of flat board.
In embodiment illustrated in fig. 4, transition piece 5 includes sleeve 52 and extension board 53, and extension board 53 is from sleeve 52
Outer peripheral face extends radially outwardly along sleeve 52, and extension board 53 is transition plane 51 towards a side surface of mating surface.Here is real
Apply in example, positioning section adopts sleeve 52, supporting section adopts extension board 53, and wherein, sleeve 52 is set with body 4, extension board 53 quilt
It is supported on the upper surface of body 4, due to the location fit of body 4 and sleeve 52, extension board 53 will not tilt it is ensured that mistake
Cross plane 51 and can realize good fit with mating surface.Transition piece 5 structure in the program is simple, convenient processing and manufacture.
Additionally, transition piece 5 can also be positioned with end plate 2 or side plate 3 cooperation by positioning section, and, according to end plate 2 or side
Plate 3 structure, positioning section and supporting section can do corresponding deformation or replacement.
In the embodiment shown in fig. 3, sleeve 52 is sleeved on the inside of body 4, and the program can save sleeve 52 in battery
The space taking in module.In fact, sleeve 52 can also be sleeved on the outside of body 4, correspondingly, can on sleeve 52 edge
It axially opens up a bar shaped seam, and this bar shaped seam is so that sleeve 52 prevents the interference with end plate 2 with body 4 when installing.
Additionally, in order to ensure connector passes through transition piece 5, the application is further preferably in sleeve 52 away from the one of supporting section
End inwall on be provided with spigot surface 521, as shown in figure 5, this spigot surface 521 from inwall near sleeve 52 outer wall side
Tilt, the setting of spigot surface 521 can make connector swimmingly pass through sleeve 52, it is to avoid due to the burr pair on sleeve 52 end face
Penetrating or extracting of connector causes to hinder.
Sleeve 52 can adopt the sleeve of the arbitrary shape such as square sleeve, circular sleeve, as long as sleeve 52 can be with body 4
It is set with.In the embodiment shown in fig. 4, sleeve 52 is circular sleeve, and its shape of cross section is annular, correspondingly, pipe
The shape of the cross section of body 4 is also annular, and this scheme can make the processing technique of sleeve 52 relatively easy.However, when even
When fitting screws in pedestal, circular sleeve 52 can rotate relative to body 4 with turning moment, produces between the two along body 4
The relative displacement of circumference, in order to avoid the generation of this phenomenon, can arrange limiting section, to limit sleeve 52 with respect to body 4
Circumferentially displaced.For example, limiting section can be provided in the boss on sleeve 52 outer wall, by supporting of boss and body 4 inwall
Spacing by realizing, to reduce the amount of spin that sleeve 52 is with respect to body 4.This plan of establishment is simple, and difficulty of processing is low.And for example, limit
Position portion can also include being arranged on the clamp of supporting section and be arranged on draw-in groove on body 4, when transition piece 5 is installed on body 4
When, clamp can snap in draw-in groove, thus reducing the amount of spin that sleeve 52 is with respect to body 4.
In addition to by the way of limiting section, transition piece 5 can also be welded to connect with body 4, make to keep between the two
It is relatively fixed, so, body 4 and transition piece 5 would not occur the relative displacement of any direction.Transition piece 5 can be adopted with body 4
Connected with laser welding, welding manner can preferably butt welding, butt welding position is at 2～3.In addition to this it is possible to adopt
Such as argon arc welding, soldering, penetrate the welding manners such as weldering, but compared with butt welding, argon arc welding, soldering, penetrate the welding manners such as weldering and hold
Easily cause the accumulation of solder, impact outward appearance and follow-up assembling, by contrast, the effect of butt welding welding is more excellent.
In this application, as shown in fig. 6, end plate 2 further preferably includes first end plate 21 and the second end plate 22, wherein, manage
Body 4 is formed at first end plate 21, and first end plate 21 is located remotely from the side of battery unit 1, and the second end plate 22 is close to battery unit
1.First end plate 21 be connected with the second end plate 22 formation double-decker, and double-decker in leave cavity.Monolayer compared by this end plate 2
For the end plate of structure, it can bear larger flexural deformation.When battery unit 1 expands, consequent expansive force
End plate 2 can be acted on, if end plate 2 deflection in the presence of expansive force is larger, the damage of battery modules can be caused, above-mentioned
End plate 2 rigidity in scheme is strengthened, and the ability of its resistance to deformation is strengthened so that the risk that battery modules are damaged drops
Low.
In order to realize the lightweight of battery modules, also preferably setting the second end plate 22 is working of plastics, using integrated injection molding
Moulding process is processed, and this scheme, while simplifying the second end plate 22 processing technique, also reduces the weight of the second end plate 22.And
And, the second end plate 22 is provided with multiple reinforcements, multiple reinforcements extend and mutual friendship along the different directions of the second end plate 22
Fork, when first end plate 21 is connected with the second end plate 22, then forms cavity at the position being not provided with reinforcement.
Similarly, in order to increase the intensity of first end plate 21, first end plate 21 is additionally provided with stamping forming groove, should
Groove equally plays booster action so that the rigidity of first end plate 21 gets a promotion.
The structure that the intensity of first end plate 21 and the second end plate 22 can be strengthened is not limited only to described above, reinforcement
Structure also has multiple enforceable schemes, will not be described here.
As the end plate 2 of Split type structure, assemble for convenience, be additionally provided with the first position limiting structure and the second spacing knot
Structure, the first position limiting structure is used for limiting first end plate 21 and the second end plate 22 along the relative displacement of battery unit 1 short transverse, the
Two position limiting structures are used for limiting the relative displacement towards side plate 3 of first end plate 21 and the second end plate 22, so, in assemble mould
During group, first first end plate 21 and the second end plate 22 can be coordinated positioning, so that follow-up general assembly operation is relatively easy.
Specifically, as shown in fig. 6, first end plate 21 along battery unit 1 short transverse two ends respectively near the second end
Flanging is extended in the side of plate 22, and forms the first flanging 211 and the second flanging respectively, the second end plate 22 is provided with respectively with
The corresponding groove of first flanging 211, the second flanging, i.e. the first groove 221 and the second groove, the first flanging 211 is inlaid in
In one groove 221, the second flanging is inlaid in the second groove, and the first flanging 211 is towards a side surface and first of the second flanging
The bottom surface laminating of groove 221, the second flanging is fitted towards a side surface of the first flanging 211 with the second groove floor, the first folding
Side 211 and the first groove 221, the second flanging and the second groove form the first position limiting structure, and this position limiting structure limits first end
Plate 21 and the second end plate 22 are along the relative displacement of battery unit 1 short transverse；First flanging 211 extends towards the second end plate 22
Two sides are leant with the two opposite side walls of the first groove 221 respectively, that is, define the second position limiting structure, this position limiting structure makes
Obtain first end plate 21 to be limited towards the relative displacement of side plate 3 with the second end plate 22.
First end plate 21 and the second end plate 22 pass through the first flanging 211, the first groove 221 and the second flanging, second recessed
After groove cooperation is spacing, that is, form end plate 2 as shown in Figure 7.
Understand, the mode for limiting first end plate 21 and the relative displacement of the second end plate 22 is not limited only to the above and retouches
State, for example, the first flanging 211 can be arranged on the second end plate 22, and the first groove 221 can be arranged on first end plate 21
On.And, the first position limiting structure and the second position limiting structure can also be realized by way of location hole and locating dowel.
As shown in fig. 7, two first end plates 21 further respectively have the recess 212 for coordinating with suspender, this recess 212 with
Suspender coordinates, it is possible to achieve the lifting of battery modules.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.All within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (11)
1. a kind of battery modules, including pedestal, end plate, side plate and some set components；
Described end plate is connected with described pedestal by described set component with described side plate, and described set component includes body and connection
Part,
It is characterized in that,
Also include transition piece, described transition piece has transition plane, described transition plane is vertical with the axis of described body,
Towards the side of described transition piece, there is mating surface on described connector, described mating surface is affixed with described transition plane
Close.
2. battery modules according to claim 1 are it is characterised in that described transition piece includes positioning section and supporting section,
Described positioning section is connected with described supporting section, described positioning section and described body location fit, and described transition plane is arranged at
Described supporting section.
3., it is characterised in that described positioning section includes sleeve, described sleeve is sheathed for battery modules according to claim 2
In described body.
4. battery modules according to claim 3 are it is characterised in that described sleeve is sheathed in described body.
5. battery modules according to claim 3 are it is characterised in that described supporting section includes extension board, described extension board
From outer peripheral face the extending radially outwardly along described sleeve of described sleeve, described transition plane is arranged at described extension board towards institute
State a side surface of mating surface.
6. battery modules according to claim 3 are it is characterised in that in described sleeve one end away from described supporting section
Spigot surface is provided with wall, described spigot surface is from described inwall to the lopsidedness of the outer wall near described sleeve.
7. battery modules according to claim 3 are it is characterised in that the shape of the cross section of described sleeve and described body
Shape is annular,
Described battery modules also include limiting section, and described limiting section is used for limiting the circumferential position that described sleeve is with respect to described body
Move.
8. battery modules according to claim 7 are it is characterised in that described limiting section includes being arranged at the outer of described sleeve
Boss on side face, the inwall of described boss and described body against.
9. the battery modules according to any one of claim 1-8 it is characterised in that described end plate include first end plate and
Second end plate, described first end plate forms double-decker with described second end plate connection, leaves cavity in described double-decker.
10. battery modules according to claim 9 are it is characterised in that described end plate also includes the first position limiting structure, described
First position limiting structure is used for limiting described first end plate and described second end plate along the relative position of described battery unit short transverse
Move.
11. battery modules according to claim 9 are it is characterised in that described end plate also includes the second position limiting structure, described
Second position limiting structure is used for limiting the relative displacement towards described side plate of described first end plate and described second end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076612.XU CN206003872U (en) | 2016-09-23 | 2016-09-23 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076612.XU CN206003872U (en) | 2016-09-23 | 2016-09-23 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206003872U true CN206003872U (en) | 2017-03-08 |
Family
ID=58193739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621076612.XU Active CN206003872U (en) | 2016-09-23 | 2016-09-23 | Battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206003872U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299187A (en) * | 2016-09-23 | 2017-01-04 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN107833997A (en) * | 2017-11-10 | 2018-03-23 | 浙江冠华电气有限公司 | A kind of battery modules side plate and its manufacturing process |
| WO2021213134A1 (en) * | 2020-04-21 | 2021-10-28 | 比亚迪股份有限公司 | End plate assembly and battery module |
-
2016
- 2016-09-23 CN CN201621076612.XU patent/CN206003872U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299187A (en) * | 2016-09-23 | 2017-01-04 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN107833997A (en) * | 2017-11-10 | 2018-03-23 | 浙江冠华电气有限公司 | A kind of battery modules side plate and its manufacturing process |
| WO2021213134A1 (en) * | 2020-04-21 | 2021-10-28 | 比亚迪股份有限公司 | End plate assembly and battery module |
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| GR01 | Patent grant |