CN204632817U - A kind of button battery - Google Patents
A kind of button battery Download PDFInfo
- Publication number
- CN204632817U CN204632817U CN201520346400.8U CN201520346400U CN204632817U CN 204632817 U CN204632817 U CN 204632817U CN 201520346400 U CN201520346400 U CN 201520346400U CN 204632817 U CN204632817 U CN 204632817U
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- Prior art keywords
- battery
- elastic
- fixed part
- housing
- block
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a kind of button battery, belongs to cell art.This button battery comprises battery case and is arranged on the battery core in battery case, described battery case comprises housing and is assemblied in the block on housing, described battery core comprises positive plate, negative plate and the barrier film be arranged between positive plate and negative plate, elastic collector is provided with between at least one and battery core in described housing and block, described elastic collector comprises fixed part, movable part and connect the elastic arm of described fixed part and movable part, one in described fixed part and movable part with described housing or electrical contact of blocking a shot, another and corresponding positive plate or negative plate electrical contact in described fixed part and movable part.Button battery of the present utility model achieves housing by elastic collector or the conduction between block with battery core pole piece is connected, and improves conductivity.
Description
Technical field
The utility model relates to a kind of button battery, belongs to cell art.
Background technology
Along with the development of economic technology, the demand of all trades and professions to battery is increasing, and wherein button battery is little with its volume, cost is low, easy to use and be used widely in a lot of equipment or electronic product.Due to the requirement of low cost, positive plate in button battery or negative plate are generally direct with housing or block a shot to contact and conduct electricity, and make the housing of button battery and block be respectively positive pole or the negative pole of battery, this processing mode is simple, but, in actual application, be easy to occur positive pole or between negative pole and battery case, conduct electricity the large phenomenon of insufficient, interior resistive, trace it to its cause, be exactly positive plate or negative plate and the battery container of button battery or occur between blocking a shot loosening and cause.Cause the reason loosened to have a lot, the Contact as cell components is adding the excessive battery component caused of dimensional tolerance in man-hour is bad, or active material consumption on electrode slice and cause occurring gap etc. between the thinning each assembly caused of electrode slice.These phenomenons can cause battery charging/discharging voltage shakiness, internal resistance consistency is deteriorated, and battery even can be caused to discharge.
Utility model content
The utility model provides a kind of button battery, with the problem solving prior art electrode slice and battery container or conductivity is bad between blocking a shot.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of button battery, comprise battery case and be arranged on the battery core in battery case, described battery case comprises housing and is assemblied in the block on housing, described battery core comprises positive plate, negative plate and the barrier film be arranged between positive plate and negative plate, elastic collector is provided with between at least one and battery core in described housing and block, described elastic collector comprises fixed part, movable part and connect the elastic arm of described fixed part and movable part, one in described fixed part and movable part with described housing or electrical contact of blocking a shot, another and corresponding positive plate or negative plate electrical contact in described fixed part and movable part.
The number of described elastic arm is at least two, and elastic arm one end is fixedly connected with described fixed part and extends to external radiation, the elastic arm other end be fixedly installed can under elastic arm drives near or away from the described movable part of fixed part.
Described elastic collector is bowl-type or dish, and described fixed part constitutes the bottom of elastic collector, described elastic arm bottom elastic collector centered by external radiation extend, define elastic arm gap between two adjacent elastic arms.
Described housing or block are provided with towards described elastic collector extend and with the conductive bumps of described elastic collector electrical contact.
Described elastic collector and battery core carry out electrical contact by the conductive spacer be arranged on therebetween.
By sealing ring sealing assembling between described housing and block.
Described sealing ring has the external seal face that is sealed and matched with described inner walls and contact-making surface in being sealed and matched with described block outer, described interior contact-making surface has the sealing ring draw-in groove establishing described block outer for card.
Button battery of the present utility model arranges elastic collector at housing or between block and battery core, and fixed part and the movable part of elastic collector are set, achieve housing by elastic collector or the conduction between block with battery core pole piece is connected, improve conductivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of button battery of the present utility model;
Fig. 2 is the structural representation of the elastic collector in Fig. 1;
Fig. 3 is the end view of Fig. 2;
Fig. 4 is the structural representation of another kind of button battery of the present utility model.
Embodiment
The technical problem solved to make the utility model, technical scheme and beneficial effect are easier to understand, and are described in detail to the utility model below in conjunction with the drawings and the specific embodiments.
Button battery of the present utility model can be any one in smee cell, nickel iron cell, Ni-MH battery, Ni-Cr battery, nickel-zinc cell and lithium battery, difference between different batteries is only that positive pole, negative pole, barrier film are different with the material of electrolyte, is described in the present embodiment for nickel-zinc cell.
With reference to figure 1-Fig. 3, button battery of the present utility model comprises battery case and is arranged on the battery core in battery case, battery case comprises housing 6 and is assemblied in the block 1 on housing, the battery case cavity for holding battery core is defined after housing and block assemble, the barrier film 3 that battery core comprises positive plate 2, negative plate 4 and is arranged between positive plate and negative plate, above-mentioned battery case and battery core all adopt battery case of the prior art and battery core.
In the button battery of the present embodiment, housing under, block a shot upper, in battery case, the negative plate of battery core is lower and corresponding with housing, and positive plate is upper corresponding with block.Be provided with the first elastic collector 8 between housing and negative plate, described first elastic collector comprises fixed part, movable part and connects the elastic arm of described fixed part and movable part, fixed part and inner walls electrical contact, movable part and negative plate electrical contact.The structure being provided with the second elastic collector 9, second elastic collector between block and positive plate is identical with the structure of the first elastic collector, fixed part and block inwall electrical contact, movable part and the positive plate electrical contact of the second elastic collector.
In the button battery of the present embodiment, first elastic collector and the second elastic collector are bowl-type, dish, taper, it is bowl-type in the present embodiment, described fixed part is circular metal plate or annular sheet metal, it is circular metal plate 10 in the present embodiment, circular metal plate constitutes the bottom of bowl-type elastic collector, described elastic arm is the curved metal shell fragment 11 be wholely set with circular metal plate, the quantity of curved metal shell fragment is at least two, in the present embodiment be four, four curved metal shell fragments extend to external radiation centered by circular metal plate, four curved metal shell fragments are positioned at the same side of circular metal plate, and there is the inside inner concave arc surface of opening, the inner concave arc surface of four curved metal shell fragments and circular metal plate define the bowl shaped structure of described bowl-type elastic collector jointly.Curved metal shell fragment is away from the kink 12 one end of circular metal plate integrally with outwards bending, described kink constitutes described movable part, due to the elasticity of curved metal shell fragment, this kink can under the drive of curved metal shell fragment near or circular metal plate.Gap between adjacent curved metal shell fragment constitutes elastic arm gap.
In the button battery of the present embodiment, it is protruding that the position that inner walls contacts with the first elastic collector fixed part is provided with the housing conductive extended to the first elastic collector fixed part, and the position that block inwall contacts with the second elastic collector fixed part is provided with the block conductive bumps extended to the second elastic collector fixed part.Be provided with conductive spacer between the movable part of described first elastic collector and negative plate, in the present embodiment, conductive spacer is copper backing 5.
In the button battery of the present embodiment, sealing ring 7 is provided with between housing and block, carry out sealing by sealing ring between housing and block to assemble, described sealing ring has the external seal face that is sealed and matched with described inner walls and contact-making surface in being sealed and matched with described block outer, described interior contact-making surface has the sealing ring draw-in groove establishing described block outer for card.
In the button battery of the present embodiment, negative plate is on oblique pull copper mesh, be coated with the zinc load sheet that zinc oxide makes, positive plate is on Foamed Nickel, apply the nickel positive plate that nickel hydroxide makes, when assembling battery, first block is loaded in sealing ring draw-in groove, again the second elastic collector is put into sealing ring and the fixed part of the second elastic collector is contacted with the conductive bumps on block, by nickel positive plate, barrier film, zinc load sheet, copper backing, first elastic collector puts into sealing ring successively, sealing ring is loaded in housing, the fixed part of the first elastic collector is contacted with the conductive bumps of housing bottom, fluid injection in battery, fasten housing and block, sealing, obtain button battery.
In concrete enforcement, with reference to figure 4, between negative plate and housing bottom, can not elastic collector be set, only elastic collector be set between block and positive plate.Also following scheme can be adopted, in battery case, the positive plate of battery core is lower and corresponding with housing, negative plate is upper corresponding with block, the first elastic collector is provided with between negative plate and block, between first elastic collector and negative plate, copper backing is set, between positive plate and housing bottom, is provided with the second elastic collector.Between block and negative plate, can not copper backing be set, and be connected with the conduction of negative plate by means of only elastic collector realization block.
In concrete enforcement, the fixed part of the first elastic collector and the position of movable part can be put upside down, i.e. movable part and inner walls electrical contact, fixed part and negative plate electrical contact.Same, the fixed part of the second elastic collector and the position of movable part also can be put upside down.
In concrete enforcement, curved metal shell fragment can be welded on the edge of circular metal plate, and movable part also can for being welded on the metal derby in the respective end of arc metal plate.Metal clips can be also straight sheet, does not have inner concave arc surface.
In concrete enforcement, the fixed part of elastic collector is provided with outward extending conductive bumps, described conductive bumps can be circular fin or the point-like projection be distributed on fixed part.Housing and block also can not arrange conductive bumps, or only wherein one above conductive bumps is set.Draw-in groove on sealing ring also can not be arranged.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit interest field of the present utility model with this, therefore, with the equivalent variations done within the scope of the utility model, still belong to the scope that the utility model is contained.
Claims (7)
1. a button battery, comprise battery case and be arranged on the battery core in battery case, described battery case comprises housing (6) and is assemblied in the block (1) on housing, described battery core comprises positive plate (2), negative plate (4) and the barrier film (3) be arranged between positive plate and negative plate, it is characterized in that, elastic collector is provided with between at least one and battery core in described housing and block, described elastic collector comprises fixed part (10), movable part (12) and connect the elastic arm (11) of described fixed part and movable part, one in described fixed part and movable part with described housing or electrical contact of blocking a shot, another and corresponding positive plate (2) or negative plate (4) electrical contact in described fixed part and movable part.
2. button battery as claimed in claim 1, it is characterized in that, the number of described elastic arm is at least two, elastic arm one end is fixedly connected with described fixed part and extends to external radiation, the elastic arm other end be fixedly installed can under elastic arm drives near or away from the described movable part of fixed part.
3. button battery as claimed in claim 2, it is characterized in that, described elastic collector is bowl-type or dish, described fixed part constitutes the bottom of elastic collector, described elastic arm bottom elastic collector centered by external radiation extend, define elastic arm gap between two adjacent elastic arms.
4. the button battery as described in claim 1-3 any one, is characterized in that, described housing or block are provided with towards described elastic collector extend and with the conductive bumps of described elastic collector electrical contact.
5. the button battery as described in claim 1-3 any one, is characterized in that, described elastic collector and battery core carry out electrical contact by the conductive spacer be arranged on therebetween.
6. the button battery as described in claim 1-3 any one, is characterized in that, by sealing ring (7) sealing assembling between described housing and block.
7. button battery as claimed in claim 6, it is characterized in that, described sealing ring has the external seal face that is sealed and matched with described inner walls and contact-making surface in being sealed and matched with described block outer, described interior contact-making surface has the sealing ring draw-in groove establishing described block outer for card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346400.8U CN204632817U (en) | 2015-05-26 | 2015-05-26 | A kind of button battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346400.8U CN204632817U (en) | 2015-05-26 | 2015-05-26 | A kind of button battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632817U true CN204632817U (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520346400.8U Active CN204632817U (en) | 2015-05-26 | 2015-05-26 | A kind of button battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN204632817U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129274A (en) * | 2016-07-15 | 2016-11-16 | 重庆市紫建电子有限公司 | A kind of fastening lithium ionic cell |
| CN106299164A (en) * | 2016-08-22 | 2017-01-04 | 深圳拓邦新能源技术有限公司 | Button type lithium ion battery and preparation method thereof |
| CN107768554A (en) * | 2017-08-31 | 2018-03-06 | 深圳市秸川材料科技有限公司 | Button sandwich type element and button cell |
| CN107910461A (en) * | 2017-11-09 | 2018-04-13 | 北京卫蓝新能源科技有限公司 | A kind of secondary cell, encapsulating structure and its method for packing |
| CN108110201A (en) * | 2017-12-27 | 2018-06-01 | 惠州亿纬锂能股份有限公司 | A kind of pole piece fixed mechanism and button cell |
| CN108550896A (en) * | 2018-05-29 | 2018-09-18 | 江苏海基新能源股份有限公司 | A kind of full lug coiling column lithium ion battery assembly method |
| CN110649186A (en) * | 2019-10-07 | 2020-01-03 | 南京理工大学北方研究院 | Production method of button lithium battery steel shell and battery thereof |
| CN111933496A (en) * | 2020-06-22 | 2020-11-13 | 南京萨特科技发展有限公司 | Button type fuse and manufacturing method |
| WO2021171811A1 (en) * | 2020-02-27 | 2021-09-02 | 日本碍子株式会社 | Coin-shaped secondary cell |
| WO2021206393A1 (en) * | 2020-04-06 | 2021-10-14 | 주식회사 엘지에너지솔루션 | Secondary battery |
| WO2022000545A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Button cell |
| WO2022039369A1 (en) * | 2020-08-20 | 2022-02-24 | 삼성에스디아이(주) | Secondary battery |
-
2015
- 2015-05-26 CN CN201520346400.8U patent/CN204632817U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129274A (en) * | 2016-07-15 | 2016-11-16 | 重庆市紫建电子有限公司 | A kind of fastening lithium ionic cell |
| CN106299164A (en) * | 2016-08-22 | 2017-01-04 | 深圳拓邦新能源技术有限公司 | Button type lithium ion battery and preparation method thereof |
| WO2019041478A1 (en) * | 2017-08-31 | 2019-03-07 | 深圳市秸川材料科技有限公司 | Button type can and button cell |
| CN107768554A (en) * | 2017-08-31 | 2018-03-06 | 深圳市秸川材料科技有限公司 | Button sandwich type element and button cell |
| CN107910461A (en) * | 2017-11-09 | 2018-04-13 | 北京卫蓝新能源科技有限公司 | A kind of secondary cell, encapsulating structure and its method for packing |
| CN108110201A (en) * | 2017-12-27 | 2018-06-01 | 惠州亿纬锂能股份有限公司 | A kind of pole piece fixed mechanism and button cell |
| CN108550896A (en) * | 2018-05-29 | 2018-09-18 | 江苏海基新能源股份有限公司 | A kind of full lug coiling column lithium ion battery assembly method |
| CN110649186A (en) * | 2019-10-07 | 2020-01-03 | 南京理工大学北方研究院 | Production method of button lithium battery steel shell and battery thereof |
| CN115136407A (en) * | 2020-02-27 | 2022-09-30 | 日本碍子株式会社 | Button type secondary battery |
| WO2021171811A1 (en) * | 2020-02-27 | 2021-09-02 | 日本碍子株式会社 | Coin-shaped secondary cell |
| JPWO2021171811A1 (en) * | 2020-02-27 | 2021-09-02 | ||
| JP7490744B2 (en) | 2020-02-27 | 2024-05-27 | 日本碍子株式会社 | Coin type secondary battery |
| WO2021206393A1 (en) * | 2020-04-06 | 2021-10-14 | 주식회사 엘지에너지솔루션 | Secondary battery |
| CN111933496A (en) * | 2020-06-22 | 2020-11-13 | 南京萨特科技发展有限公司 | Button type fuse and manufacturing method |
| WO2022000545A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Button cell |
| WO2022039369A1 (en) * | 2020-08-20 | 2022-02-24 | 삼성에스디아이(주) | Secondary battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 453003 No. 4 Hualan Avenue, Xinxiang Hi-tech Development Zone, Henan Province Patentee after: Henan Chaoli New Energy Co., Ltd. Address before: 453003 No. 4 Hualan Avenue, Xinxiang Hi-tech Development Zone, Henan Province Patentee before: XINXIANG CHAOLI NEW ENERGY CO., LTD. |