CN207743309U - Battery modules - Google Patents
Battery modules Download PDFInfo
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- CN207743309U CN207743309U CN201820172242.2U CN201820172242U CN207743309U CN 207743309 U CN207743309 U CN 207743309U CN 201820172242 U CN201820172242 U CN 201820172242U CN 207743309 U CN207743309 U CN 207743309U
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- Prior art keywords
- plate
- side plate
- stationary plane
- battery modules
- end plate
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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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
This application involves energy storage device technical field more particularly to a kind of battery modules comprising：Side plate；Two end plates, the end plate has main surface and side plate stationary plane towards the side of the side plate, the side plate stationary plane is connected with the main surface, the side plate stationary plane is located at the edge of the end plate, and solder accommodating cavity is formed between the side plate stationary plane and the outer surface of the side plate, the end plate is fixedly connected with the side plate at the solder accommodating cavity.After fixed charge method end plate and side plate, larger solder accommodating cavity can be formed between the side plate stationary plane and the outer surface of side plate, and then accommodate more solders, to promote the fixing intensity between end plate and side plate so that entire battery modules can be better against cell expansion power, vibration, mechanical shock etc..Therefore, the structural strength of battery modules and reliability higher.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of battery modules.
Background technology
With the enhancing of social development and environmental consciousness, more and more equipment are selected using battery as power supply, especially
Electric vehicle etc. is even more that the power battery of large capacity is needed to provide power.In order to promote energy density, in electrical equipment usually
Battery modules are installed.
Multiple batteries that battery modules generally include shell and are installed in shell, shell can play battery fixed make
With may include side plate, end plate and head cover.Its end plates can be molded by Aluminum extrusion, be slab construction, end plate and side
Plate is secured together by way of welding or screw connection.
Since end plate is usually slab construction, and the expansive force almost all generated when battery work acts on end plate, together
When, in order to ensure the structural strength of battery modules, the rigidity of end plate needs to design larger, and end plate is caused to be only capable of absorbing fraction
Expansive force, most of expansive force still remain, these remaining expansive forces will directly act on weld seam or the connection of shell
Part.When expansive force is more than the range that weld seam or connector can bear, weld seam can be destroyed, and connector will appear fracture, lead
Battery modules are caused the problem of Joint failure occur.Certainly, even if cell expansion situation is not serious, as vibration, machinery punching
Situations such as hitting, the problem of causing battery modules to be susceptible to Joint failure.Therefore, that there are structural strengths is inclined for traditional battery modules
Problem low, reliability is poor.
Utility model content
This application provides a kind of battery modules, to promote the structural strength and reliability of battery modules.
Battery modules provided by the present application, including：
Side plate；
Two end plates, the end plate have main surface and side plate stationary plane, the side plate solid towards the side of the side plate
Determine face with the main surface to be connected, the side plate stationary plane is located at the edge of the end plate, and the side plate stationary plane with it is described
Solder accommodating cavity is formed between the outer surface of side plate, the end plate is fixedly connected with the side plate at the solder accommodating cavity.
Optionally, the side plate stationary plane is plane.
Optionally, the angle of inclination of length direction of the side plate stationary plane relative to the end plate is 30 °~60 °.
Optionally, on the length direction of the end plate, the opposite end of the end plate is respectively provided with the side plate stationary plane.
Optionally, in the short transverse of the end plate, the side plate stationary plane extends to institute from the top of the end plate
State the bottom of end plate.
Optionally, the side plate include the first plate body, the second plate body, third plate body and the 4th plate body, four successively head and the tail
Connection, to surround multiple batteries, first plate body and the third plate body are opposite on the length direction of the battery modules
Arrangement,
Two end plates are bonded respectively is fixed on first plate body and the third plate body.
Optionally, junction, second plate body and the third plate body of first plate body and second plate body
Junction, the third plate body and the 4th plate body junction, the 4th plate body and first plate body connection
In place, there is end plate stationary plane, the end plate fixes the direction extension away from the side plate stationary plane, described at least one
End plate stationary plane forms the solder accommodating cavity with the side plate stationary plane.
Optionally, the end plate stationary plane is arc surface.
Optionally, in the short transverse of battery modules, the end plate stationary plane extends to institute from the top of the side plate
State the bottom of side plate.
Technical solution provided by the present application can reach following advantageous effect：
There is the end plate of battery modules main surface and side plate stationary plane, side plate stationary plane to be located at the edge of end plate, fixed electricity
After the end plate of pond module and the side plate of battery modules, it can be formed between the side plate stationary plane and the outer surface of side plate larger
Solder accommodating cavity, and then more solders are accommodated, to promote the fixing intensity between end plate and side plate so that entire battery modules
It can be better against cell expansion power, vibration, mechanical shock etc..Therefore, the structural strength of battery modules and reliability higher.
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；
The explosive view of the part-structure for the battery modules that Fig. 2 is provided by the embodiment of the present application；
In the battery modules that Fig. 3 is provided by the embodiment of the present application, the structural schematic diagram of end plate；
Fig. 4 is the vertical view of end plate shown in Fig. 3；
Fig. 5 is the front view of end plate shown in Fig. 3；
In the battery modules that Fig. 6 is provided by the embodiment of the present application, the structural schematic diagram of side plate and bottom plate.
Reference numeral：
100- end plates；
110- main surfaces；
120- side plate stationary planes；
200- side plates；
The first plate bodys of 210-；
The second plate bodys of 220-；
230- third plate bodys；
The 4th plate bodys of 240-；
250- end plate stationary planes；
300- batteries；
400- bottom plates；
500- solder accommodating cavities.
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 depicted in figs. 1 and 2, the embodiment of the present application provides a kind of battery modules, which includes end plate 100, side
Plate 200, multiple batteries 300 and bottom plate 400.For ease of description, XYZ rectangular coordinate systems are established in Fig. 1, wherein X-direction table
Show that the thickness direction of end plate 100, Y-direction indicate that the length direction of end plate 100, Z-direction indicate the short transverse of end plate 100 (i.e.
The short transverse of battery modules).
In the battery modules, end plate 100 is used to fix with the side plate 200 of battery modules, and opposite joint specifically may be used in the two
The mode of weldering is secured together.Bottom plate 400 can be fixedly connected with end plate 100 and side plate 200, to support multiple batteries 300.
Specifically, end plate 100 is usually arranged as two, and each battery 300 is set between two end plates 100.The end plate 100 is at itself
Thickness direction (i.e. X-direction in Fig. 1) on have the first opposite side and the second side, wherein for single battery module come
It says, the first side can be directed towards the side of side plate 200 (namely battery 300), and the second side is then away from (namely the battery of side plate 200
300) side.
With reference to shown in Fig. 3-5, above-mentioned first side has main surface 110 and side plate stationary plane 120, main surface here
110 are connected with side plate stationary plane 120, and main surface 110 extends along the length direction of end plate, and side plate stationary plane 120 is located at end plate
100 edge.The side plate 200 of battery modules can be fixed at the side plate stationary plane 120, specifically, side plate stationary plane 120 with
Solder accommodating cavity 500 is formed between the outer surface of side plate 200, end plate 100 is fixed with side plate 200 at the solder accommodating cavity 500
Connection.
In order to make side plate stationary plane 120 have the characteristics that above structure, side plate stationary plane 120 can be arranged with respect to lead
Honorable 110 inclined planes, arc surface or cascaded surface, it is contemplated that plane is more convenient for processing, and can to hold using plane
The thickness of plate 100 is gradually reduced, and then prevents end plate 100 from occurring the problems such as stress concentration, the application at side plate stationary plane 120
Embodiment sets side plate stationary plane 120 to plane, this side plate stationary plane 120 can be formed by chamfer angle technique.
With the above structure, the end plate 100 of fixed battery modules can be consolidated with after side plate 200 in the side plate of end plate 100
Determine to form larger solder accommodating cavity 500 between face 120 and the outer surface of side plate 200, and then is convenient for welded end plate 100 and side plate
200, while more solders are accommodated, to promote the fixing intensity between end plate 100 and side plate 200 so that entire battery modules
It also can just be not easy showing for battery modules Joint failure occur better against cell expansion power, vibration, mechanical shock etc.
As.Therefore, battery modules provided by the embodiments of the present application can be in the case where not increasing own dimensions so that battery modules
Structural strength and reliability higher.
When side plate stationary plane 120 is plane, length direction (i.e. in Fig. 1 of the side plate stationary plane 120 relative to end plate 100
Y-direction) angle of inclination a can be 30 °~60 °.When using this angle of inclination, side plate stationary plane 120 is relative to main body
The bending degree in face 110 is more moderate, and sizeable solder accommodating cavity on the one hand can be formed with the outer surface of side plate 200
500, on the other hand the edge thickness of end plate 100 will not be caused too small, ensure the structural strength of end plate 100 with this.
It is to be appreciated that end plate 100 is usually welded at the both ends of the length direction of itself with side plate 200, therefore,
On the length direction of end plate 100,100 opposite end of end plate is respectively provided with side plate stationary plane 120 above-mentioned.That is, end plate
100 at the both ends of the length direction of itself, can form solder accommodating cavity 500 with side plate 200, and then equal at its both ends
Larger weld strength is obtained, realizes the reinforcing of aforementioned techniques effect.
In a kind of optional embodiment, in the short transverse (i.e. Z-direction in Fig. 1) of end plate 100, side plate stationary plane
120 extend to the bottom of end plate 100 from the top of end plate 100.Under this structure, side plate stationary plane 120 is in the height side of end plate 100
To size be maximized, accordingly, the solder accommodating cavity 500 formed between side plate stationary plane 120 and the outer surface of side plate 200
It is also maximized in the size that this side up so that solder accommodating cavity 500 can accommodate more solders, further promote battery
The structural strength and reliability of module.Meanwhile this structure is more convenient for the processing of end plate 100.
In a kind of embodiment, side plate 200 could be provided as two, and two side plates 200 are positioned opposite, and be connected to two ends
Between plate 100, the space that can accommodate battery 300 is formed with this, multiple batteries 300 can be arranged in the space, and with end
One side surface of 100 adjacent battery 300 of plate and the main surface 110 of end plate 100 fit.
In another embodiment, as shown in fig. 6, loop configuration can be set side plate 200 to, that is, side plate 200 includes the
One plate body 210, the second plate body 220, third plate body 230 and the 4th plate body 240, four are sequentially connected end to end, above-mentioned to be formed
Loop configuration achievees the purpose that surround multiple batteries 300.Under this structure, the first plate body 210 and third plate body 230 are in battery mould
Positioned opposite on the length direction (i.e. Z-direction in Fig. 1) of group, two end plates 100 are bonded respectively is fixed on 210 He of the first plate body
Third plate body 230, in the multiple batteries 300 set in a row, a side surface of two batteries 300 on the outermost side is respectively with
The inner surface of one plate body 210 and third plate body 230 fits.
Optionally, above-mentioned first plate body 210, the second plate body 220, third plate body 230 and the 4th plate body 240 are substantially arranged
For slab construction.It is process in addition, the higher material of ductility may be used in above-mentioned side plate 200, such as aluminium alloy etc.；Side plate
200 processing method can be welding fabrication after punching press or bending, can also be extrusion molding.
In above structure, side plate 200 is monolithic construction, and the fastening effect of bigger can be provided to multiple batteries 300
Power so that situations such as multiple batteries 300 are not easy to shake in battery modules, while the expansion of battery 300 can also be absorbed
When generated active force.And after end plate 100 is fixed with side plate 200, then it can absorb the expansion of battery 300 together with side plate 200
When the active force that generates, the structural strength higher of entire battery modules.
In order to further increase the weld strength between end plate 100 and side plate, can also on side plate 200 with end plate 100
End plate stationary plane 250 is set at the position of welding, which extends to the direction far from side plate stationary plane 120,
That is end plate stationary plane 250 is bent relative to part connected to it.End plate stationary plane 250 and the formation of side plate stationary plane 120
Solder accommodating cavity 500 above-mentioned.So set, the inner space of solder accommodating cavity 500 can be further increased, with this not
In the case of the size for increasing battery modules, more solders are accommodated, the structural strength and reliability of battery modules are promoted.
It, specifically can be in the company of the first plate body 210 and the second plate body 220 when side plate 200 includes four plate bodys above-mentioned
Connect place, the second plate body 220 and the junction of third plate body 230, the junction of third plate body 230 and the 4th plate body 240, the 4th plate
In the junction of body 240 and the first plate body 210, end plate stationary plane 250 above-mentioned is set at least one.It preferably, can be at this
In it is described be respectively provided with end plate stationary plane 250 everywhere, and then be respectively formed at four link positions of the side plate 200 with end plate 100
Solder accommodating cavity 500, to strengthen technique effect above-mentioned.
Above-mentioned end plate stationary plane 250 can be plane, can also be cambered surface, it is contemplated that side plate 200 may be used than relatively thin
Extruding-out process processes the side plate 200, therefore sets end plate stationary plane 250 to cambered surface, can simplify the processing of side plate 200
Technique, while being also prevented from the link position of adjacent plate body and the problems such as stress concentration occur.
Bottom is extended to from the top of end plate 100 similarly, with side plate stationary plane 120 in the short transverse of battery modules
On, end plate stationary plane 250 can also extend to the bottom of side plate 200 from the top of side plate 200.On the one hand this structure can simplify
On the other hand the processing technology of side plate 200 can also match different height under the premise of forming larger solder accommodating cavity 500
The end plate 100 of degree, is combined into required battery modules.
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 (9)
1. a kind of battery modules, which is characterized in that including：
Side plate；
Two end plates, the end plate have main surface and side plate stationary plane, the side plate stationary plane towards the side of the side plate
It is connected with the main surface, the side plate stationary plane is located at the edge of the end plate, and the side plate stationary plane and the side plate
Outer surface between form solder accommodating cavity, the end plate is fixedly connected with the side plate at the solder accommodating cavity.
2. battery modules according to claim 1, which is characterized in that the side plate stationary plane is plane.
3. battery modules according to claim 2, which is characterized in that length of the side plate stationary plane relative to the end plate
The angle of inclination for spending direction is 30 °~60 °.
4. battery modules according to claim 1, which is characterized in that on the length direction of the end plate, the end plate
Opposite end be respectively provided with the side plate stationary plane.
5. battery modules according to claim 1, which is characterized in that in the short transverse of the end plate, the side plate
Stationary plane extends to the bottom of the end plate from the top of the end plate.
6. battery modules according to claim 1, which is characterized in that the side plate includes the first plate body, the second plate body, the
Three plate bodys and the 4th plate body, four are sequentially connected end to end, and to surround multiple batteries, first plate body and the third plate body exist
It is positioned opposite on the length direction of the battery modules,
Two end plates are bonded respectively is fixed on first plate body and the third plate body.
7. battery modules according to claim 6, which is characterized in that the connection of first plate body and second plate body
Place, the junction of second plate body and the third plate body, the third plate body and the 4th plate body junction, described
In the junction of 4th plate body and first plate body, there is end plate stationary plane at least one, the end plate fix away from
The direction of the side plate stationary plane extends, and the end plate stationary plane forms the solder accommodating cavity with the side plate stationary plane.
8. battery modules according to claim 7, which is characterized in that the end plate stationary plane is arc surface.
9. battery modules according to claim 7, which is characterized in that in the short transverse of battery modules, the end plate
Stationary plane extends to the bottom of the side plate from the top of the side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172242.2U CN207743309U (en) | 2018-01-31 | 2018-01-31 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172242.2U CN207743309U (en) | 2018-01-31 | 2018-01-31 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743309U true CN207743309U (en) | 2018-08-17 |
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ID=63124306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820172242.2U Active CN207743309U (en) | 2018-01-31 | 2018-01-31 | Battery modules |
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| Country | Link |
|---|---|
| CN (1) | CN207743309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572750A (en) * | 2019-08-30 | 2019-12-13 | 歌尔股份有限公司 | Magnetic conduction structure and sound generating mechanism |
| CN113574722A (en) * | 2019-01-17 | 2021-10-29 | Cps 科技控股有限公司 | Plastic restraint feature for cell expansion |
-
2018
- 2018-01-31 CN CN201820172242.2U patent/CN207743309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113574722A (en) * | 2019-01-17 | 2021-10-29 | Cps 科技控股有限公司 | Plastic restraint feature for cell expansion |
| CN110572750A (en) * | 2019-08-30 | 2019-12-13 | 歌尔股份有限公司 | Magnetic conduction structure and sound generating mechanism |
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