CN206271776U - Easily realize the battery cap of power-off protection - Google Patents
Easily realize the battery cap of power-off protection Download PDFInfo
- Publication number
- CN206271776U CN206271776U CN201621232018.5U CN201621232018U CN206271776U CN 206271776 U CN206271776 U CN 206271776U CN 201621232018 U CN201621232018 U CN 201621232018U CN 206271776 U CN206271776 U CN 206271776U
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- CN
- China
- Prior art keywords
- rotating sheet
- protection
- plate
- power
- battery cap
- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model is related to the technical field of battery cap; disclose the battery cap for easily realizing power-off protection; including cover plate and electric conduction electrode-plate in the form of sheets; cover plate is provided with rotating sheet; the abutting post of vertical projection arrangement upward is provided with the middle part of the upper surface of rotating sheet; abut and the abutting end face that arc surfaced is abutted after rotating sheet overturns with electric conduction electrode-plate is formed with the top of post, abut end face in arc surfaced prominent upward.Compared with prior art, when the air pressure of inside battery reaches certain value, rotating sheet will be flipped up being abutted with electric conduction electrode-plate, post is abutted to abut connection with electric conduction electrode-plate and reach short-circuit effect, it is arc surfaced to set and abut end face, relative to the abutting end face of flat surface shape, considerably increases the contact area of rotating sheet and electric conduction electrode-plate, the energy of inside battery can be with quick release, so as to be more prone to realize the effect of short circuit dischange.
Description
Technical field
The utility model is related to battery cap field, especially easily realizes the battery cap of power-off protection.
Background technology
As electronic product is increasingly minimized, portability, the utilization of battery is more and more extensive, because battery structure is simple
Single, easy to carry, discharge and recharge is easy to operation, is not influenceed by outside climatic and temperature, stable and reliable for performance, so existing
Very big effect is played for the various aspects in social life.
Battery cap is enclosed in the upper end open of housing, including cover plate, and rotating sheet is provided with cover plate, and the rotating sheet is pressurized
Power can overturn upward, so, after battery cap is sealed on the upper end open of housing, when inside battery failure etc.,
The enclosure interior of battery pressure increase, when pressure increases to certain value, the rotating sheet in cover plate under pressure, then
Can upward overturn, and be connected on electric conduction electrode-plate so that battery short circuit, and then battery is stopped, the pressure of inside battery
Stop continuing to increase.
In the prior art, when air pressure reaches certain value, the upward jack-up of rotating sheet contacts connection, abutment end with electric conduction electrode-plate
Face is the contact plane of the salient point cylinder of rotating sheet, and the area that actually rotating sheet is contacted with electric conduction electrode-plate is less than abutment end
Face, abuts the small purpose for being not easily accomplished instantaneous short circuit electric discharge of area of end face, is not easy to realize power-off protection.
Utility model content
The purpose of this utility model is to provide the battery cap for easily realizing power-off protection, it is intended to solved in the prior art
Rotating sheet is small with the abutting face area of electric conduction electrode-plate, it is not easy to realize the problem of power-off protection.
The utility model is achieved in that easily realizes the battery cap of power-off protection, including cover plate in the form of sheets and
Electric conduction electrode-plate, the cover plate is provided with rotating sheet, is provided with what vertical projection upward was arranged in the middle part of the upper surface of the rotating sheet
Post is abutted, the abutting that arc surfaced is abutted after the rotating sheet overturns with the electric conduction electrode-plate is formed with the top of the abutting post
End face, the abutting end face is in arc surfaced prominent upward.
Further, the electric conduction electrode-plate is provided with arc groove, and after the rotating sheet upset, the abutting end face is abutted
On the arc groove.
Further, the arc groove is located at the top of the rotating sheet.
Further, the cover plate is provided with mounting hole, and the rotating sheet is arranged in the mounting hole, the mounting hole
Madial wall in be formed with upwardly disposed and around the step ring of mounting hole periphery arrangement, the periphery of the rotating sheet abuts
On the step ring.
Further, the periphery of the rotating sheet extends outwardly and is formed with connection ring, the horizontal arrangement of connection ring,
The connection ring is connected on the step ring.
Further, ring-shaped is formed with the madial wall of the mounting hole and the periphery arrangement of the mounting hole is surround
Extension step, the diameter with diameter greater than the step ring of the extension step, and the expanding table component level is in the step ring
Top.
Further, the middle part of the rotating sheet has the erecting bed of horizontal arrangement, and the abutting post is formed in described
The upper end of erecting bed.
Further, the lower surface of the erecting bed extends to the lower section of the mounting hole.
Further, concave shape is in depression region upward at the middle part of the lower surface of the rotating sheet.
Compared with prior art, when the air pressure of inside battery reaches certain value, rotating sheet will be flipped up and conduction
Pole piece is abutted, that is, abut post and abuts connection with electric conduction electrode-plate and reach short-circuit effect, and it is arc surfaced to set and abut end face, relative to putting down
The abutting end face of whole flat shape, considerably increases the contact area of rotating sheet and electric conduction electrode-plate, and the energy of inside battery can be with
Quick release, so as to be more prone to realize the effect of short circuit dischange.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the battery cap for easily realizing power-off protection that the utility model embodiment is provided;
Fig. 2 is the cut-away illustration of the battery cap for easily realizing power-off protection that the utility model embodiment is provided;
Fig. 3 is the enlarged diagram at the A in Fig. 2.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
Realization of the present utility model is described in detail below in conjunction with specific embodiment.
Shown in reference picture 1~3, for the utility model provides preferred embodiment.
The battery cap for easily realizing power-off protection that the utility model is provided, can be used on lithium battery, it is also possible to
It is used on other batteries, is not limited in one of which.
The battery cap of power-off protection, including cover plate 101 and electric conduction electrode-plate in the form of sheets are easily realized, on cover plate 101
Rotating sheet 102 is provided with, the abutting post 103 of vertical projection arrangement upward is provided with the middle part of the upper surface of rotating sheet 102, abut post
103 top is formed with the abutting end face of arc surfaced, and abutting end face is used to be abutted with electric conduction electrode-plate after rotating sheet 102 overturns,
So that abut post 103 connected with electric conduction electrode-plate, and then battery short circuit release pressure, set and abut end face in cambered surface prominent upward
Shape.
Specifically, the cover plate 101 of battery cap is sealed in the upper end open of housing, and cover plate 101 is provided with rotating sheet
102, the certain pressure value of the correspondence of rotating sheet 102, when the pressure of inside battery increases, rotating sheet 102 overturns, rotating sheet
Abutting post 103 on 102 is abutted with electric conduction electrode-plate so that battery short circuit, it is to avoid showing for the continuous increase of cell internal pressure occur
As, it is to avoid there is the phenomenon of battery explosion, it is ensured that personal security, it is to avoid peril occur.
When the air pressure of inside battery reaches certain value, rotating sheet 102 will be flipped up being abutted with electric conduction electrode-plate, that is, support
Connect post 103 connection is abutted with electric conduction electrode-plate and reach short-circuit effect, abut end face in arc surfaced prominent upward, arc surfaced is set
End face is abutted, relative to the abutting end face of flat surface shape, the contact surface of rotating sheet 102 and electric conduction electrode-plate is considerably increased
Product, the energy of inside battery can be with quick release, so as to be more prone to realize the effect of short circuit dischange, power-off protection.
In the present embodiment, electric conduction electrode-plate is provided with arc groove, after rotating sheet 102 overturns upwards, abuts end face
It is connected on arc groove, because electric conduction electrode-plate to be provided with, abut the consistent arc of post 103 with the arc on rotating sheet 102 recessed
Groove, after rotating sheet 102 is flipped up, abutting end face is bigger, abuts post 103 and is easier to abut on electric conduction electrode-plate, so that
Internal short-circuit of battery is obtained, the pressure of quick release inside battery realizes power-off protection.
Specifically, arc groove is arranged on the top of rotating sheet 102, and arc groove can be accommodated and cover abutting post 103, when
When rotating sheet 102 is flipped up, abutting post 103 can realize being abutted with arc groove easily, and then realize connecting with electric conduction electrode-plate
It is logical, so that internal short-circuit of battery, the pressure of quick release inside battery, realize power-off protection.
Mounting hole 104 is provided with cover plate 101, mounting hole 104 forms through hole through the upper end and lower end of cover plate 101,
Rotating sheet 102 is arranged in mounting hole 104, and upwardly disposed step ring, step ring ring are formed with the madial wall of mounting hole 104
Arranged around the periphery of mounting hole 104, the periphery of rotating sheet 102 is directly abutted on step ring.
Specifically, the periphery of rotating sheet 102 extends outwardly and is formed with connection ring 105, the connection ring 105 in horizontally disposed,
The connection ring 105 is connected directly between on step ring, so as to realize the connection between rotating sheet 102 and mounting hole 104.
Be formed with the extension step of ring-shaped in the madial wall of mounting hole 104, the extension step with diameter greater than step
The diameter of ring, extension step is fitted around the periphery arrangement in hole 104, and positioned at the top of step ring.
The middle part of rotating sheet 102 has erecting bed 106, and the erecting bed 106 is in horizontally disposed, and above-mentioned abutting post 103 is straight
Connect the upper end for being formed in erecting bed 106.The lower surface of erecting bed 106 extends to the lower section of mounting hole 104, so, is easy to upset
The upset of piece 102.
In the present embodiment, concave shape is in depression region 107 upward for the middle part of the lower surface of rotating sheet 102, works as inside battery
Pressure increase when, pressure concentrates on the sunk area 107 in the middle part of the lower surface of rotating sheet 102, so as to cause rotating sheet 102 quick
Inverse values are reached, and then promotes whole rotating sheet 102 to overturn upward.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. the battery cap of power-off protection is easily realized, it is characterised in that including cover plate and electric conduction electrode-plate in the form of sheets, the lid
Piece is provided with rotating sheet, and the abutting post of vertical projection arrangement upward, the abutting are provided with the middle part of the upper surface of the rotating sheet
The abutting end face that arc surfaced is abutted after the rotating sheet overturns with the electric conduction electrode-plate, the abutment end are formed with the top of post
Face is in arc surfaced prominent upward.
2. the battery cap of power-off protection is easily realized as claimed in claim 1, it is characterised in that set on the electric conduction electrode-plate
There is arc groove, after the rotating sheet upset, the abutting end face is connected on the arc groove.
3. the battery cap of power-off protection is easily realized as claimed in claim 2, it is characterised in that the arc groove is located at
The top of the rotating sheet.
4. the battery cap of power-off protection is easily realized as claimed in claim 3, it is characterised in that the cover plate is provided with peace
Dress hole, the rotating sheet is arranged in the mounting hole, and upwardly disposed and circular institute is formed with the madial wall of the mounting hole
The step ring of mounting hole periphery arrangement is stated, the periphery of the rotating sheet is connected on the step ring.
5. the battery cap of power-off protection is easily realized as claimed in claim 4, it is characterised in that the periphery of the rotating sheet
Extend outwardly and be formed with connection ring, the horizontal arrangement of connection ring, the connection ring is connected on the step ring.
6. the battery cap of power-off protection is easily realized as claimed in claim 5, it is characterised in that the inner side of the mounting hole
Be formed with wall ring-shaped and around the mounting hole periphery arrange extension step, the extension step with diameter greater than institute
The diameter of step ring, and the expanding table component level are stated in the top of the step ring.
7. the battery cap of power-off protection is easily realized as claimed in claim 6, it is characterised in that the middle part of the rotating sheet
Erecting bed with horizontal arrangement, the abutting post is formed in the upper end of the erecting bed.
8. the battery cap of power-off protection is easily realized as claimed in claim 7, it is characterised in that the following table of the erecting bed
Face extends to the lower section of the mounting hole.
9. the battery cap of power-off protection is easily realized as claimed in claim 8, it is characterised in that the following table of the rotating sheet
Concave shape is in depression region upward at the middle part in face.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621232018.5U CN206271776U (en) | 2016-11-17 | 2016-11-17 | Easily realize the battery cap of power-off protection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621232018.5U CN206271776U (en) | 2016-11-17 | 2016-11-17 | Easily realize the battery cap of power-off protection |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206271776U true CN206271776U (en) | 2017-06-20 |
Family
ID=59040753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621232018.5U Active CN206271776U (en) | 2016-11-17 | 2016-11-17 | Easily realize the battery cap of power-off protection |
Country Status (1)
Country | Link |
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CN (1) | CN206271776U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109728208A (en) * | 2017-10-27 | 2019-05-07 | 宁德时代新能源科技股份有限公司 | Secondary cell's top cap subassembly, secondary cell and battery module |
CN111244339A (en) * | 2018-11-29 | 2020-06-05 | 比亚迪股份有限公司 | Battery cover plate and battery with same |
-
2016
- 2016-11-17 CN CN201621232018.5U patent/CN206271776U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109728208A (en) * | 2017-10-27 | 2019-05-07 | 宁德时代新能源科技股份有限公司 | Secondary cell's top cap subassembly, secondary cell and battery module |
CN111244339A (en) * | 2018-11-29 | 2020-06-05 | 比亚迪股份有限公司 | Battery cover plate and battery with same |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 213200 Minghu Road, Jintan District, Changzhou City, Jiangsu Province, 399 Patentee after: Changzhou Redford Precision Technology Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Gongming Dongkeng Town Guangming East Road No. 5 Patentee before: SHENZHEN RED FAIRY PRECISION TECHNOLOGY CO., LTD. |
|
CP03 | Change of name, title or address |