CN206541867U - A kind of lithium-ion-power cell top cover of assembly type connection - Google Patents
A kind of lithium-ion-power cell top cover of assembly type connection Download PDFInfo
- Publication number
- CN206541867U CN206541867U CN201720258000.0U CN201720258000U CN206541867U CN 206541867 U CN206541867 U CN 206541867U CN 201720258000 U CN201720258000 U CN 201720258000U CN 206541867 U CN206541867 U CN 206541867U
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- Prior art keywords
- plate
- negative
- positive
- lithium
- top cover
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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)
Abstract
The utility model is related to a kind of battery cap; espespecially a kind of lithium-ion-power cell top cover of assembly type connection; mainly include coping plate, positive electrode, negative pole component, explosion-protection equipment and supporting construction; coping plate is long plate shape covering plate structure; middle part offers the groove for installing explosion-protection equipment, and lower surface is connected with electrode protection piece；Positive electrode is mainly made up of positive pole aluminium sheet, cathode conductive film, positive terminal backing plate and positive terminal, and negative pole component is mainly made up of negative plate, negative plate pad, negative terminal backing plate, negative terminal, and supporting construction is mainly made up of outer support with inner support；The utility model passes through the components such as laser welding mode connecting post and coping plate and pole plate, realize constitutionally stable assembling purpose, integral assembling structure is the assembly connecting mode for stablizing safety and easily assembling, so as to can not only improve existing complicated assembling approach, processing and packaging efficiency can also be improved, and improves safety and reliability.
Description
Technical field
The utility model is related to a kind of battery cap, espespecially a kind of lithium-ion-power cell top cover of assembly type connection.
Background technology
Lithium ion battery is conventional energy-storage battery, is especially widely used in portable type electronic product, electric automobile, lithium
Battery has the features such as capacity density is high, specific energy is big and has extended cycle life, general lithium battery assembling mainly include mounting shell,
Battery core and battery cap, battery cap are used to closing the mounting shell for loading battery core, the effect of battery cap not only act as closing every
From effect, explosive-proof protector effect is also functioned to, while battery cap is also formed by multiple parts or assembling components, so that it is guaranteed that its is close
Feng Xing, stability and security.But, now the negative plate of conventional battery cap is simultaneously common by being molded respectively with pole inserts
Assembling is to be connected on top cover, and manufacturing procedure is more numerous and diverse, in addition, and the part connected mode that existing battery cap is included is with riveting
Connect mode relatively conventional, the connected mode makes Integral connection structure hardly possible dismounting also be difficult to change maintenance.
The content of the invention
To solve the above problems, the utility model is intended to disclose a kind of battery cap, espespecially a kind of lithium of assembly type connection
Ion battery top cover.
To achieve the above object, the technical solution adopted in the utility model is：A kind of lithium ion power of assembly type connection
Battery cap, it is characterised in that described battery cap mainly include coping plate, positive electrode, negative pole component, explosion-protection equipment and
Supporting construction, wherein, described coping plate is long plate shape covering plate structure, and middle part offers the groove for installing explosion-protection equipment, following table
Face is connected with electrode protection piece；Described positive electrode is main by positive pole aluminium sheet, cathode conductive film, positive terminal backing plate and positive terminal
Composition, positive pole aluminium sheet is arranged on one end of coping plate top surface after being fastened and connected with cathode conductive film, positive terminal backing plate, positive terminal
It is sequentially arranged at below just to the coping plate of positive pole aluminium sheet；Described negative pole component is main by negative plate, negative plate pad, negative pole
Post backing plate, negative terminal composition, negative plate are arranged on the other end of coping plate top surface after being connected with negative plate pad, negative terminal pad
Plate, negative terminal are sequentially arranged at below just to the coping plate of negative plate；Described supporting construction is main by outer support and inner support
Composition.
Described electrode protection plate shape is matched with coping plate, while its surface is offered through groove, groove position with
The groove position of coping plate is mutually corresponded to.
The positive terminal of the positive electrode include cylinder and substrate, by cylinder sequentially pass through positive terminal backing plate, coping plate,
It is connected after cathode conductive film with positive pole aluminium sheet.
The negative plate bottom of the negative pole component is integrally formed with pole inserts, and negative terminal includes cylinder and substrate, passes through
Cylinder is connected after sequentially passing through negative terminal backing plate, coping plate, negative plate pad with negative plate.
Described coping plate surface, which is offered, to be provided with liquid injection hole plug with aluminium nail to seal fluid injection at liquid injection hole, liquid injection hole
Hole.
Described negative plate pad is PP materials.
The positive terminal, the cylinder of negative terminal run through outer behind top and are arranged with the top of sealing ring, and the cylinder of positive and negative pole
It is fixedly connected respectively by laser welding with positive pole aluminium sheet, negative plate.
Described explosion-protection equipment mainly includes explosion-proof valve and protects paster with explosion-proof valve, and explosion-proof valve protection paster is in explosion-proof valve
It is vertically connected with structure and at the groove in the middle part of coping plate.
The outer support of the supporting construction is cuboid framework structure, and its middle part forms trapezoidal die cavity to install interior branch
Frame, inner support is ladder frame shape, supports coping plate by inner support, and connects battery cap to battery by outer support and installs
On shell.
One end that the coping plate installs negative pole component is provided with rotating sheet.
The beneficial effects of the utility model are embodied in：The utility model passes through laser welding mode connecting post and coping plate
And the component such as pole plate, realize that the explosion-protection equipment on constitutionally stable assembling purpose, coping plate can reach explosion-proof safeguard function, simultaneously
The supporting construction used can realize firm supporting role, and integral assembling structure is the component connection for stablizing safety and easily assembling
Mode, so as to can not only improve existing complicated assembling approach, can also improve processing and packaging efficiency, and improve peace
Full unfailing performance.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model.
Fig. 2 is stereochemical structure exploded view of the present utility model.
Fig. 3 is the structure chart that the utility model is assembled into one with battery mounting shell.
Accompanying drawing marks explanation：1- coping plates, 2- positive electrodes, 3- negative pole components, 4- explosion-protection equipments, 5- supporting constructions, 6-
Electrode protection piece, 7- battery mounting shells, 11- liquid injection hole plugs, 12- aluminium nails, 13- rotating sheets, 21- positive pole aluminium sheets, 22- positive poles are led
Electric piece, 23- positive terminal backing plates, 24- positive terminals, 30- sealing rings, 31- negative plates, 32- negative terminal backing plates, 33- negative terminals, 34-
Negative plate pad, 41- explosion-proof valves, 42- explosion-proof valves protection paster, 51- outer supports, 52- inner supports.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with the accompanying drawings：
A kind of lithium-ion-power cell top cover of assembly type connection, described battery cap mainly includes coping plate 1, positive pole
Component 2, negative pole component 3, explosion-protection equipment 4 and supporting construction 5, wherein, described coping plate 1 is long plate shape covering plate structure, middle part
The groove for installing explosion-protection equipment 4 is offered, lower surface is connected with electrode protection piece 6, and the described surface of coping plate 1 is further opened with note
Liquid injection hole plug 11 is installed with aluminium nail 12 at fluid apertures, liquid injection hole to seal liquid injection hole；The described shape of electrode protection piece 6 and top
Cover plate 1 is matched, while its surface is offered through groove, groove position and the groove position of coping plate 1 are mutually corresponding；Described
Positive electrode 2 is mainly made up of positive pole aluminium sheet 21, cathode conductive film 22, positive terminal backing plate 23 and positive terminal 24, positive pole aluminium sheet 21
After being fastened and connected with cathode conductive film 22 on one end of the top surface of coping plate 1, positive pole aluminium sheet 21 is with cathode conductive film 22
What is be interference fitted is fastened and connected, and positive terminal backing plate 23, positive terminal 24 are sequentially arranged at just under the coping plate 1 of positive pole aluminium sheet 21
Side；Described negative pole component 3 is mainly made up of negative plate 31, negative plate pad 34, negative terminal backing plate 32, negative terminal 33, negative pole
Plate 31 is arranged on the other end of the top surface of coping plate 1 after being connected with negative plate pad 34, and negative terminal backing plate 32, negative terminal 33 are successively
Installed in the lower section of coping plate 1 just to negative plate；The positive terminal 24 of the positive electrode 2 includes cylinder and substrate, passes through cylinder
It is connected after sequentially passing through positive terminal backing plate 23, coping plate 1, cathode conductive film 22 with positive pole aluminium sheet 21；The negative pole component 3 it is negative
The bottom of pole plate 31 is integrally formed with pole inserts, and negative terminal 33 includes cylinder and substrate, and negative terminal pad is sequentially passed through by cylinder
It is connected after plate 32, coping plate 1, negative plate pad 34 with negative plate 31；The positive terminal 24, the cylinder of negative terminal 33 run through top
Outer be arranged with the top of sealing ring 30, and the cylinder of positive and negative pole passes through laser welding and positive pole aluminium sheet 21, negative plate 31 respectively afterwards
It is fixedly connected；Described negative plate pad 34 is PP materials；Meanwhile, described battery cap is additionally provided with sealing device, by close
Seal apparatus is that the sealing of battery cap Integral connection structure is stable, and the coping plate and cathode conductive film or negative plate pad of battery cap
It is fixedly connected when piece is connected by the locating dowel of ceramics or plastic cement material with positioning formula.
Described supporting construction 5 is mainly made up of outer support 51 with inner support 52；The outer support 51 of the supporting construction 5 is
Cuboid framework structure, its middle part forms trapezoidal die cavity to install inner support 52, and inner support 52 is ladder frame shape, by interior
Support 52 supports coping plate 1, and is connected by outer support 51 on battery cap to battery mounting shell 7；Described explosion-protection equipment 4 is led
To include explosion-proof valve 41 and protect paster 42 with explosion-proof valve, explosion-proof valve is protected paster 42 with explosion-proof valve 41 in attachment structure up and down and pacified
At the groove at the middle part of coping plate 1；One end that the coping plate 1 installs negative pole component 3 is provided with rotating sheet 13.
The utility model realizes Stability Analysis of Structures by components such as laser welding mode connecting post and coping plate 1 and pole plates
Assembling purpose, the explosion-protection equipment 4 on coping plate 1 can reach explosion-proof safeguard function, while the supporting construction 5 used can be realized
Firm supporting role, integral assembling structure is the assembly connecting mode for stablizing safety and easily assembling, so as to can not only improve
Existing complicated assembling approach, can also improve processing and packaging efficiency, and improve safety and reliability.
It is described above, only it is preferred embodiment of the present utility model, any not is made to technical scope of the present utility model
Limitation, the technical staff of the industry under the inspiration of the technical program, can make some deformations and modification, every according to this
Any modification, equivalent variations and modification that embodiment of the technical spirit of utility model to more than is made, still fall within this practicality
In the range of new technique scheme.
Claims (10)
1. a kind of lithium-ion-power cell top cover of assembly type connection, it is characterised in that described battery cap mainly includes top
Cover plate, positive electrode, negative pole component, explosion-protection equipment and supporting construction, wherein, described coping plate is long plate shape covering plate structure,
Middle part offers the groove for installing explosion-protection equipment, and lower surface is connected with electrode protection piece；Described positive electrode is main by positive pole
Aluminium sheet, cathode conductive film, positive terminal backing plate and positive terminal composition, positive pole aluminium sheet are arranged on top after being fastened and connected with cathode conductive film
On one end of cover plate top surface, positive terminal backing plate, positive terminal are sequentially arranged at below just to the coping plate of positive pole aluminium sheet；Described is negative
Pole component is mainly made up of negative plate, negative plate pad, negative terminal backing plate, negative terminal, after negative plate is connected with negative plate pad
On the other end of coping plate top surface, negative terminal backing plate, negative terminal are sequentially arranged at below just to the coping plate of negative plate；
Described supporting construction is mainly made up of outer support with inner support.
2. the lithium-ion-power cell top cover of a kind of assembly type connection according to claim 1, it is characterised in that described
Electrode protection plate shape is matched with coping plate, while its surface is offered through groove, the groove position of groove position and coping plate
Put mutual correspondence.
3. a kind of lithium-ion-power cell top cover of assembly type connection according to claim 1, it is characterised in that it is described just
The positive terminal of pole component include cylinder and substrate, by cylinder sequentially pass through after positive terminal backing plate, coping plate, cathode conductive film with
Positive pole aluminium sheet is connected.
4. the lithium-ion-power cell top cover of a kind of assembly type connection according to claim 1, it is characterised in that described negative
The negative plate bottom of pole component is integrally formed with pole inserts, and negative terminal includes cylinder and substrate, is sequentially passed through by cylinder negative
It is connected after pole backing plate, coping plate, negative plate pad with negative plate.
5. the lithium-ion-power cell top cover of a kind of assembly type connection according to claim 1, it is characterised in that described
Coping plate surface, which is offered, to be provided with liquid injection hole plug with aluminium nail to seal liquid injection hole at liquid injection hole, liquid injection hole.
6. the lithium-ion-power cell top cover of a kind of assembly type connection according to claim 1, it is characterised in that described
Negative plate pad is PP materials.
7. a kind of lithium-ion-power cell top cover of assembly type connection according to claim 3 or 4, it is characterised in that institute
State positive terminal, the cylinder of negative terminal runs through outer behind top and is arranged with the top of sealing ring, and the cylinder of positive and negative pole respectively by swashing
Photocoagulation is fixedly connected with positive pole aluminium sheet, negative plate.
8. the lithium-ion-power cell top cover of a kind of assembly type connection according to claim 1, it is characterised in that described
Explosion-protection equipment mainly includes explosion-proof valve and explosion-proof valve and protects paster, explosion-proof valve protection paster and explosion-proof valve in attachment structure up and down simultaneously
At the groove in the middle part of coping plate.
9. a kind of lithium-ion-power cell top cover of assembly type connection according to claim 1, it is characterised in that the branch
The outer support of support structure is cuboid framework structure, and its middle part forms trapezoidal die cavity to install inner support, and inner support is trapezoidal
Frame shape, supports coping plate, and connect on battery cap to battery mounting shell by outer support by inner support.
10. the lithium-ion-power cell top cover of a kind of assembly type connection according to claim 1, it is characterised in that described
One end that coping plate installs negative pole component is provided with rotating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720258000.0U CN206541867U (en) | 2017-03-16 | 2017-03-16 | A kind of lithium-ion-power cell top cover of assembly type connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720258000.0U CN206541867U (en) | 2017-03-16 | 2017-03-16 | A kind of lithium-ion-power cell top cover of assembly type connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541867U true CN206541867U (en) | 2017-10-03 |
Family
ID=59943545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720258000.0U Expired - Fee Related CN206541867U (en) | 2017-03-16 | 2017-03-16 | A kind of lithium-ion-power cell top cover of assembly type connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541867U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711594A (en) * | 2018-05-30 | 2018-10-26 | 东莞市奕东电子有限公司 | A kind of battery cover board |
| CN109638181A (en) * | 2018-11-14 | 2019-04-16 | 庐江力翔电池科技有限责任公司 | A kind of VDA ternary battery square structure top cover |
| CN109638183A (en) * | 2019-01-22 | 2019-04-16 | 深圳市小机灵精密机械有限公司 | A kind of electrodeless post lithium battery cover board |
| CN112751113A (en) * | 2020-12-31 | 2021-05-04 | 远景动力技术(江苏)有限公司 | Riveting top cover, assembling method thereof and square-shell battery cell |
| CN116014366A (en) * | 2023-02-09 | 2023-04-25 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| CN116031548A (en) * | 2023-02-09 | 2023-04-28 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| US11942646B1 (en) | 2023-02-09 | 2024-03-26 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | End cover assembly, energy-storage apparatus, and electricity-consumption device |
| US12034170B1 (en) | 2023-12-07 | 2024-07-09 | Shenzhen Hithium Energy Storage Technology Co., Ltd | End cover assembly, energy storage apparatus, and electric device |
| WO2024164263A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cap assembly, energy storage apparatus, and electric device |
| WO2024164241A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electrical device |
| WO2024164268A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electrical device |
| WO2024164271A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electrical device |
| WO2024164255A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cap assembly, energy storage device and electric device |
-
2017
- 2017-03-16 CN CN201720258000.0U patent/CN206541867U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711594A (en) * | 2018-05-30 | 2018-10-26 | 东莞市奕东电子有限公司 | A kind of battery cover board |
| CN109638181A (en) * | 2018-11-14 | 2019-04-16 | 庐江力翔电池科技有限责任公司 | A kind of VDA ternary battery square structure top cover |
| CN109638183A (en) * | 2019-01-22 | 2019-04-16 | 深圳市小机灵精密机械有限公司 | A kind of electrodeless post lithium battery cover board |
| CN112751113A (en) * | 2020-12-31 | 2021-05-04 | 远景动力技术(江苏)有限公司 | Riveting top cover, assembling method thereof and square-shell battery cell |
| CN116014366B (en) * | 2023-02-09 | 2024-06-11 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| WO2024164263A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cap assembly, energy storage apparatus, and electric device |
| CN116031548B (en) * | 2023-02-09 | 2023-06-27 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| US11942646B1 (en) | 2023-02-09 | 2024-03-26 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | End cover assembly, energy-storage apparatus, and electricity-consumption device |
| CN116014366A (en) * | 2023-02-09 | 2023-04-25 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| EP4415122A3 (en) * | 2023-02-09 | 2024-10-16 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | End cover assembly, energy-storage apparatus, and electricity-consumption device |
| EP4415119A1 (en) * | 2023-02-09 | 2024-08-14 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | End cover assembly, energy-storage apparatus, and electricity-consumption device |
| CN116031548A (en) * | 2023-02-09 | 2023-04-28 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage device and electric equipment |
| WO2024164241A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electrical device |
| WO2024164268A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electrical device |
| WO2024164271A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cover assembly, energy storage apparatus, and electrical device |
| WO2024164255A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | End cap assembly, energy storage device and electric device |
| US12080899B1 (en) | 2023-02-09 | 2024-09-03 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | End cover assembly, energy-storage apparatus, and electricity-consumption device |
| US12034170B1 (en) | 2023-12-07 | 2024-07-09 | Shenzhen Hithium Energy Storage Technology Co., Ltd | End cover assembly, energy storage apparatus, and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20200316 |