CN208271956U - square power battery shell - Google Patents
square power battery shell Download PDFInfo
- Publication number
- CN208271956U CN208271956U CN201820859838.XU CN201820859838U CN208271956U CN 208271956 U CN208271956 U CN 208271956U CN 201820859838 U CN201820859838 U CN 201820859838U CN 208271956 U CN208271956 U CN 208271956U
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- CN
- China
- Prior art keywords
- outer cover
- cover body
- power battery
- square power
- battery shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of square power battery shell, comprising: outer cover body, outer cover body are that side and bottom surface enclose the integrated molding component constituted；Outer cover body is additionally provided with opening, opening opposing bottom surface setting；Outer cover body bottom surface is equipped with the groove being recessed to shell body interior, forms raised land in shell body interior respective slot, and the top surface of raised land is plane；The height that raised land is recessed to shell body interior is more than outer cover body bottom surface arc chord angle height.By being provided with raised land in square power battery enclosure bottom, it is provided with insulating trip instead of in square power battery shell, heating conduction is more preferable.
Description
Technical field
The utility model relates to power battery technology fields, more particularly to a kind of square power battery shell.
Background technique
Square power battery shell generallys use metal stretching and molding at this stage, is limited to drawing process molding, rectangular dynamic
After the molding of power battery case a certain size arc chord angle can be formed in inside bottom.And the naked battery core pole piece of power battery is being circulated throughout
Cheng Zhong has certain expansion, when naked battery core is expanded on the arc chord angle of square power battery shell inside bottom, shell it is anti-
Active force will force naked battery core pole piece that arc-shaped deformation occurs, to adapt to the arc chord angle shape of power battery case inside bottom.And
Such deformation will lead to pole piece fracture, analysis lithium or even have short-circuit risks.To avoid such phenomenon from occurring, the way of mainstream at present
To pad a piece of insulating trip below the naked battery core of power battery, raise naked battery core be encapsulated into after shell with the height distance of housing bottom with
Make naked battery core from the influence of case inside bottom arc chord angle.But insulating trip increases naked battery core heat and conducts to outer casing bottom
Thermal resistance is unfavorable for power battery core heat and conducts to outer housing.
Utility model content
The main purpose of the utility model is to provide a kind of square power battery shell, it is intended to solve existing rectangular power
For battery case after increasing insulating trip, naked battery core heat is not easy the technical issues of distributing.
The utility model proposes a kind of square power battery shells, comprising: outer cover body, the outer cover body be side with
Bottom surface encloses the integrated molding component constituted；The outer cover body is additionally provided with opening, the relatively described bottom surface setting of the opening；
The outer cover body bottom surface is equipped with the groove to the outer cover body inner recess, corresponds to inside the outer cover body described recessed
Slot forms raised land, and the top surface of the raised land is plane；The raised land is to the outer cover body inner recess
Height be more than the outer cover body bottom surface arc chord angle height.
It further, further include top cover, the top cover is installed on the opening, and the top cover and the outer cover body are tight
Close connection.
Further, it is provided with pole on the top cover, for connecting positive and negative anodes.
Further, explosion-proof decompression device is also set up on the top cover.
Further, the outer cover body bottom surface is provided with the raised land.
Further, the outer cover body bottom surface is provided at least two raised lands, the top of the raised land
Face is in the same plane.
Further, the raised land is provided with seven.
Further, the outer cover body material is aluminium alloy.
Square power battery shell provided by the utility model, by setting protrusion for square power battery enclosure bottom
Table top is provided with insulating trip instead of in square power battery shell, and heating conduction is more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model square power battery shell；
Fig. 2 is the structural schematic diagram of another embodiment of the utility model square power battery shell；
Fig. 3 is the structural schematic diagram of one embodiment of the utility model square power battery closure head.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Referring to Fig.1-3, a kind of square power battery shell of this practical offer, comprising: outer cover body 1, outer cover body 1 are
Side and bottom surface enclose the integrated molding component constituted；Outer cover body 1 is additionally provided with opening, opening opposing bottom surface setting；Shell
1 bottom surface of ontology is equipped with the groove to 1 inner recess of outer cover body, forms raised land 2 in 1 inside respective slot of outer cover body,
And the top surface of raised land 2 is plane；Raised land 2 is to the height of 1 inner recess of outer cover body more than 1 bottom surface of outer cover body circle
Arc angle height.In the present embodiment, a kind of square power battery shell is provided, outer cover body 1 is that side and bottom surface enclose drawing and forming
Integrated molding component, the setting of outer cover body 1 forms class rectangular-shape shell there are four side, with bottom surface.In general, outer cover body
1 is produced using aluminum alloy material, and one side aluminum alloy material is compared to other metals, light weight, intensity height；On the other hand, aluminium
Alloy material corrosion resistance is strong.The bottom surface of outer cover body 1 is provided with the groove to 1 inner recess of outer cover body, in shell sheet
1 inside respective slot of body forms a raised land 2, and the appearance of naked battery core placed and do not damage naked battery core, convex for convenience
The top surface for playing table top 2 is set as plane, and the height of raised land 2 and the arc chord angle of 1 bottom surface of outer cover body are highly contour or be more than
The radian height.The design of raised land 2 raises naked battery core height, makes naked battery core need not in the case where not using insulation board
It is influenced by case inside bottom arc chord angle；And reduce the distance that naked battery core outwardly radiates, it is passed to reduce naked battery core
Heat is to the thermal resistance of shell, and relative to the square power battery shell of previous addition insulation board, above-mentioned square power battery shell improves dynamic
Power battery core heat dissipation performance；And cancel insulating pad, it reduces Material Cost and assembly technology cost simplifies power battery production system
Assembling process in making, also improves production efficiency indirectly.
In one embodiment, above-mentioned square power battery shell further includes top cover 3, and top cover 3 is installed on outer cover body 1 and opens
At mouthful, top cover 3 is closely connect with outer cover body 1.Top cover 3 is arranged in opening, closely connect with outer cover body 1, by shell sheet
The sealing of 1 inner space of body, when in use, can prevent the electrolyte inside outer cover body 1 from revealing.Meanwhile it being provided on top cover 3
Positive terminal 31 and negative terminal 32, facilitate user to connect the positive and negative anodes of power battery when in use.
In one embodiment, it is additionally provided with explosion-proof decompression device on top cover 3, further prevents anticipating in power battery
When outer, once exploding, blast impulse will be effectively reduced and involve bomb fragments to the probability of personal injury and property loss.
In one embodiment, the bottom surface of above-mentioned square power battery shell is provided with a raised land 2, raised land
2 areas are provided with a raised land 2 close to floor space, facilitate the molding of above-mentioned square power battery shell raised land 2,
It is convenient for production and improve production efficiency when manufacturing.
In one embodiment, the bottom surface of above-mentioned square power battery shell is provided with seven raised lands 2, each protrusion
For 2 mirror settings of table top in the bottom surface of outer cover body 1, bottom surface is provided with multiple raised lands 2, can reinforce the fastness of bottom surface,
Bottom surface will not be made damaged easily.
To sum up, square power battery shell provided by the utility model, by the way that square power battery enclosure bottom to be arranged
For raised land 2, it is provided with insulating trip instead of in square power battery shell, heating conduction is more preferable.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of square power battery shell characterized by comprising outer cover body, the outer cover body are side and bottom surface
Enclose the integrated molding component constituted；
The outer cover body is additionally provided with opening, the relatively described bottom surface setting of the opening；
The outer cover body bottom surface is equipped with the groove to the outer cover body inner recess, and institute is corresponded to inside the outer cover body
It states groove and forms raised land, and the top surface of the raised land is plane；
The raised land is to the height of the outer cover body inner recess more than the outer cover body bottom surface arc chord angle height.
2. square power battery shell as described in claim 1, which is characterized in that further include top cover, the top cover is installed on institute
Opening is stated, the top cover is closely connect with the outer cover body.
3. square power battery shell as claimed in claim 2, which is characterized in that pole is provided on the top cover, for connecting
Connect positive and negative anodes.
4. square power battery shell as claimed in claim 2, which is characterized in that also set up explosion-proof relief dress on the top cover
It sets.
5. square power battery shell as described in claim 1, which is characterized in that the outer cover body bottom surface is provided with an institute
State raised land.
6. square power battery shell as described in claim 1, which is characterized in that the outer cover body bottom surface is provided at least two
A raised land, the top surface of the raised land is in the same plane.
7. square power battery shell as claimed in claim 6, which is characterized in that the raised land is provided with seven.
8. square power battery shell as described in claim 1, which is characterized in that the outer cover body material is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859838.XU CN208271956U (en) | 2018-06-04 | 2018-06-04 | square power battery shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820859838.XU CN208271956U (en) | 2018-06-04 | 2018-06-04 | square power battery shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208271956U true CN208271956U (en) | 2018-12-21 |
Family
ID=64688602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820859838.XU Active CN208271956U (en) | 2018-06-04 | 2018-06-04 | square power battery shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208271956U (en) |
-
2018
- 2018-06-04 CN CN201820859838.XU patent/CN208271956U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210430 Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. Address before: 518000, 1st floor, 2nd floor, A-B area, 2nd floor, D area-9th floor, Yihe Road, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |