CN109935775A - Rectangular cell modular structure - Google Patents
Rectangular cell modular structure Download PDFInfo
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- CN109935775A CN109935775A CN201910171313.6A CN201910171313A CN109935775A CN 109935775 A CN109935775 A CN 109935775A CN 201910171313 A CN201910171313 A CN 201910171313A CN 109935775 A CN109935775 A CN 109935775A
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- Prior art keywords
- rectangular cell
- overload protection
- block
- modular structure
- cross
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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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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to a kind of rectangular cell modular structures, comprising: box body, cover board are made of the rectangular cell of several arrangements in a row and loaded on the battery pack in box body, an overload protection block, multiple even electric blocks；Rectangular cell is equipped with positive electrode and negative electrode；Negative electrode positioned at a rectangular cell of front side is connect by the electric block of overload protection block or a company with the positive electrode for a rectangular cell for being located at rear side；The overload protection part that the opposite end of the overload protection block link block identical with the even electric cross-sectional area of block that includes: two cross-sectional areas, both ends and two link blocks connects one to one；The cross-sectional area of overload protection part is less than the cross-sectional area of link block.Rectangular cell modular structure, rectangular cell electric block connection by overload protection block or even, reduces area of passage by overload protection part, and the overload protection part quick fuse when current anomaly increases fast delicately can carry out overload protection to battery modules.
Description
Technical field
The present invention relates to field of lithium ion battery, especially a kind of rectangular cell modular structure.
Background technique
Power battery is the kernel component of electric car, and power needed for providing vehicle, power battery is generally by more
A battery modules composition, power battery are divided into rectangular, cylindrical and Soft Roll shape, rectangular cell mould group tool according to production technology difference
There is the advantages of saving space；Overload fever can occur when load is excessive in use for power battery, and long-term overload can reduce
Dielectric level generates security risk, or even burns route, therefore power battery needs to carry out overload protection；The knot of overload protective device
Structure can be from Chinese Patent Application No.: a kind of Exaessive load protective arrangement for automobile accumulator disclosed in 99201081.0 utility model obtains
Solution；Traditional overload protective device with power battery split settings, existing fast delicately to overload battery modules
The deficiency of protection；Therefore, a kind of rectangular cell modular structure that can fast delicately battery modules be carried out with overload protection is designed,
As urgent problem to be solved.
Summary of the invention
The purpose of the invention is to overcome the current overload protective device with power battery split settings, existing cannot be fast
The prompt deficiency that delicately battery modules are carried out with overload protection, providing a kind of fast delicately can carry out overload guarantor to battery modules
The rectangular cell modular structure of shield.
The specific technical solution of the present invention is:
A kind of rectangular cell modular structure, comprising: box body, cover board are constituted and filled by the rectangular cell of several arrangements in a row
Battery pack in box body, at least one overload protection block, multiple even electric blocks；Rectangular cell is equipped with positive electrode and negative electrode；Position
Pass through an overload protection block or side company electricity block and be located at rear side in the negative electrode of a rectangular cell of front side
The positive electrode of shape battery connects；Overload protection block includes: two cross-sectional areas link block identical with the even electric cross-sectional area of block,
The overload protection part that both ends and the opposite end of two link blocks connect one to one；The cross-sectional area of overload protection part is less than connection
The cross-sectional area of block.Rectangular cell modular structure, rectangular cell electric block connection, overload protection block packet by overload protection block or even
Overload protection part of the cross-sectional area less than the cross-sectional area of link block is included, i.e., area of passage is reduced by overload protection part, works as electricity
Overload protection part quick fuse when throat floater increases fast delicately can carry out overload protection to battery modules.
Preferably, the rectangular cell modular structure further include: lithium battery control panel, two battery sampling harness,
Harness isolation board, the PCB circuit board being connect with cover board lower end；Two end plates one-to-one correspondence that box body is equipped with blocks the two of battery pack
End；One end plate upper end is equipped with accommodating counterbore；Positive electrode and negative electrode are located at the two sides of corresponding rectangular cell upper end, and
The positive electrode and negative electrode of the rectangular cell of battery pack are staggered along orientation；Lithium battery control panel insertion accommodating counterbore
In；Harness isolation board is located between the positive electrode and negative electrode of rectangular cell and connect with rectangular cell upper end；Two batteries are adopted
Line-transect beam is located at the two sides of harness isolation board；One end of battery sampling harness is connect with lithium battery control panel upper end；Cover board
It is connect with box body and PCB circuit board pushes down battery sampling harness and lithium battery control panel upper end.By battery sampling harness and lithium electricity
Pond control panel is connected, and in lithium battery control panel insertion accommodating counterbore, PCB circuit board pushes down battery sampling harness and lithium electricity
Pond control panel, saves space, conducive to the integrated of battery modules is realized.
Preferably, the overload protection block, even the material of electric block is aluminium.Light-weight good conductivity and fusing point
It is low, overload protection part quick fuse is conducive to when current anomaly increases.
Preferably, the overload protection part is and corresponds the connection welded on the upside of the opposite end of two link blocks
Band.The connection welding very little of connecting band and link block is easy to remove after the fusing of connecting band overcurrent, and solder joint is easy cleaning, is conducive to weight
It newly welds new connecting band and realizes reparation.
Preferably, the overload protection part is the transition block to connect one to one with the opposite end of two link blocks；
The two side ends of transition block are respectively provided with a groove or a side of transition block is equipped with a groove.Overload protection part be and two
The transition block that the opposite end of link block connects one to one is conducive to production.
Compared with prior art, the beneficial effects of the present invention are: rectangular cell modular structure, rectangular cell are protected by overload
Protecting block or even electric block connection, overload protection block includes the overload protection part that cross-sectional area is less than the cross-sectional area of link block, i.e., logical
It crosses overload protection part and reduces area of passage, the overload protection part quick fuse when current anomaly increases can be fast delicately to electricity
Chi Mo group carries out overload protection.Battery sampling harness is connected with lithium battery control panel, and the insertion of lithium battery control panel is held
It sets in counterbore, PCB circuit board pushes down battery sampling harness and lithium battery control panel, saves space, is conducive to realize battery modules
It is integrated.Overload protection block, even the material of electric block is aluminium, light-weight good conductivity and fusing point is low, when current anomaly liter
It is conducive to overload protection part quick fuse when high.Overload protection part is and corresponds welding on the upside of the opposite end of two link blocks
The connection welding very little of connecting band, connecting band and link block is easy to remove after the fusing of connecting band overcurrent, and solder joint is easy cleaning, benefit
Reparation is realized in welding new connecting band again.Overload protection part is the mistake to connect one to one with the opposite end of two link blocks
Cross block, the side that the two side ends of transition block are respectively provided with a groove or transition block is equipped with a groove, overload protection part be with
The transition block that the opposite end of two link blocks connects one to one is conducive to production.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of lithium battery control panel, battery sampling harness, end plate；
Fig. 3 is rectangular cell and the connection schematic diagram for connecting electric block, overload protection block；
Fig. 4 is rectangular cell and the connection schematic diagram for connecting electric block, another overload protection block.
In figure: box body 1, cover board 2, rectangular cell 3, even electric block 4, positive electrode 5, negative electrode 6, link block 7, lithium battery control
Plate 8, battery sampling harness 9, harness isolation board 10, end plate 11, accommodating counterbore 12, connecting band 13, transition block 14, groove 15, side
Plate 16.
Specific embodiment
The present invention is described further shown in reference to the accompanying drawing.
As shown in attached drawing 1, attached drawing 2, attached drawing 3: a kind of rectangular cell modular structure, comprising: box body 1, cover board 2, by 12
The rectangular cell 3 of a arrangement in a row constitutes and loaded on the battery pack in box body 1, an overload protection block, multiple even electric block 4；
Rectangular cell 3 is equipped with positive electrode 5 and negative electrode 6；Negative electrode 6 positioned at a rectangular cell 3 of front side passes through overload protection block
Or the electric block 4 of a company is connect with the positive electrode 5 for a rectangular cell 3 for being located at rear side；Overload protection block includes: two cross sections
The mistake that the opposite end of product link block 7 identical with the even electric cross-sectional area of block 4, both ends and two link blocks 7 connects one to one
Carry guard member；The cross-sectional area of overload protection part is less than the cross-sectional area of link block 7.The shape of box body 1 is rectangle；Box body 1
Two side plates 16 being equipped with correspond the two side ends for blocking battery pack.
The rectangular cell modular structure further include: lithium battery control panel 8, two battery sampling harness 9, harness isolation
Plate 10, the PCB circuit board (not shown) being spirally connected with 2 lower end of cover board；Two end plates 11 one-to-one correspondence that box body 1 is equipped with blocks battery
The both ends of group；One 11 upper end of end plate is equipped with accommodating counterbore 12；Positive electrode 5 and negative electrode 6 are located at corresponding rectangular cell 3
The two sides of upper end, and the positive electrode 5 of the rectangular cell 3 of battery pack and negative electrode 6 are staggered along orientation；Lithium battery control
In the insertion accommodating counterbore 12 of plate 8；Harness isolation board 10 is located between the positive electrode 5 and negative electrode 6 of rectangular cell 3 and and square electric
The connection of 3 upper end of pond；Two battery sampling harness 9 are located at the two sides of harness isolation board 10；One end of battery sampling harness 9 with
The connection of 8 upper end of lithium battery control panel；Cover board 2 and box body 1 are connected by a snap and PCB circuit board push down battery sampling harness 9 and
8 upper end of lithium battery control panel.The cross-sectional area shape for accommodating counterbore 12 is rectangle；Lithium battery control panel 8, harness isolation board 10 with
PCB circuit board electrical connection.
The overload protection block, even the material of electric block 4 is aluminium.
The overload protection part is and corresponds the connecting band 13 welded on the upside of the opposite end of two link blocks 7.
Another overload protection block is as shown in Fig. 4: the overload protection part is the opposite end one with two link blocks 7
The one corresponding transition block 14 for being integrally formed connection；The two side ends of transition block 14 are respectively provided with a groove 15.The shape of groove 15 is
Arc.
In addition to the implementation, within the scope of the claims of the present invention and the specification, skill of the invention
Art feature or technical data can be reselected and be combined, to constitute new embodiment, these are all art technologies
Personnel are without carrying out what creative work can be realized, therefore the embodiment that these present invention are not described in also should be regarded as this
The specific embodiment of invention and within protection scope of the present invention.
Claims (5)
1. a kind of rectangular cell modular structure, comprising: box body, cover board, be made of the rectangular cell of several arrangements in a row and
Loaded on the battery pack in box body, characterized in that the rectangular cell modular structure further include: at least one overload protection block,
Multiple even electric blocks；Rectangular cell is equipped with positive electrode and negative electrode；Negative electrode positioned at a rectangular cell of front side passes through one
The electric block of overload protection block or a company is connect with the positive electrode for a rectangular cell for being located at rear side；Overload protection block includes: two
A cross-sectional area link block identical with the even electric cross-sectional area of block, both ends and the opposite end of two link blocks connect one to one
Overload protection part；The cross-sectional area of overload protection part is less than the cross-sectional area of link block.
2. rectangular cell modular structure according to claim 1, characterized in that the rectangular cell modular structure also wraps
It includes: lithium battery control panel, two battery sampling harness, harness isolation board, the PCB circuit board being connect with cover board lower end；Box body is set
Two end plates having correspond the both ends for blocking battery pack；One end plate upper end is equipped with accommodating counterbore；Positive electrode and negative electrode
The two sides of corresponding rectangular cell upper end are located at, and the positive electrode of the rectangular cell of battery pack and negative electrode are along orientation
It is staggered；In lithium battery control panel insertion accommodating counterbore；Harness isolation board be located at rectangular cell positive electrode and negative electrode it
Between and connect with rectangular cell upper end；Two battery sampling harness are located at the two sides of harness isolation board；Battery sampling harness
One end connect with lithium battery control panel upper end；Cover board is connect with box body and PCB circuit board pushes down battery sampling harness and lithium electricity
Pond control panel upper end.
3. rectangular cell modular structure according to claim 1, characterized in that the overload protection block connects electric block
Material is aluminium.
4. rectangular cell modular structure according to claim 1 or 2 or 3, characterized in that the overload protection part be with
The connecting band of welding is corresponded on the upside of the opposite end of two link blocks.
5. rectangular cell modular structure according to claim 1 or 2 or 3, characterized in that the overload protection part be with
The transition block that the opposite end of two link blocks connects one to one；The two side ends of transition block are respectively provided with a groove or transition block
A side be equipped with a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171313.6A CN109935775B (en) | 2019-03-07 | 2019-03-07 | Square battery module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171313.6A CN109935775B (en) | 2019-03-07 | 2019-03-07 | Square battery module structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109935775A true CN109935775A (en) | 2019-06-25 |
| CN109935775B CN109935775B (en) | 2021-07-23 |
Family
ID=66986631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910171313.6A Active CN109935775B (en) | 2019-03-07 | 2019-03-07 | Square battery module structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN109935775B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540702A (en) * | 2021-07-19 | 2021-10-22 | 江苏塔菲尔新能源科技股份有限公司 | Electricity core is gathered and monitoring device and battery module |
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| JP2017098038A (en) * | 2015-11-20 | 2017-06-01 | 矢崎総業株式会社 | Bus bar module and battery pack |
| CN107305938A (en) * | 2016-04-25 | 2017-10-31 | 比亚迪股份有限公司 | Cell connector, battery modules and electrokinetic cell bag |
| CN206293504U (en) * | 2016-12-16 | 2017-06-30 | 超威电源有限公司 | A kind of aluminum hull power battery modular structure |
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| CN113540702B (en) * | 2021-07-19 | 2023-03-24 | 江苏正力新能电池技术有限公司 | Electricity core is gathered and monitoring device and battery module |
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| Publication number | Publication date |
|---|---|
| CN109935775B (en) | 2021-07-23 |
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Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |