CN205752373U - The reliable button cell of a kind of contact - Google Patents
The reliable button cell of a kind of contact Download PDFInfo
- Publication number
- CN205752373U CN205752373U CN201620403110.7U CN201620403110U CN205752373U CN 205752373 U CN205752373 U CN 205752373U CN 201620403110 U CN201620403110 U CN 201620403110U CN 205752373 U CN205752373 U CN 205752373U
- Authority
- CN
- China
- Prior art keywords
- positive plate
- button cell
- shape
- positive
- shaped metal
- 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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- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 16
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Primary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
This utility model discloses the reliable button cell of a kind of contact, including positive plate, described positive plate includes positive powder and the U-shaped metal collecting ring being connected in described positive powder, the overall curved or shape of described positive plate or shape, the positive plate of described arc or shape or shape has good elasticity, after loading inside battery, under the effect of closure pressure, positive plate can occur elastic deformation, even if thus anode cover deforms in the case of a high temperature, also can guarantee that the internal good contact performance of button cell.
Description
Technical field
This utility model relates to a kind of button cell, particularly relates to the reliable button cell of a kind of contact.
Background technology
As shown in Figure 1, button cell includes anode cover A, positive plate B, barrier film C, negative plate D and the negative electrode casing E being connected in turn from top to down, battery is in using discharge process, positive/negative plate thickness can produce change, if this change makes battery total height reduce, the contact of battery will be unreliable, may make battery premature failure.Button cell is under storage or hot environment, and inside can produce gas, makes intrinsic pressure increase, thus causes anode cover A to deform, so will also result in loose contact, and this phenomenon (such as tire pressure warning) in the environment of more than 100 degree is more prone to.
Positive plate B typically has several frequently seen form, in embodiment illustrated in fig. 1, positive plate B is made up of band metal currect collecting net B2 in positive powder B1, due to the bounce-back of metal currect collecting net B2 in pressing process, positive plate B can produce a certain degree of bending, this bending makes positive plate B have certain elasticity, such that it is able to compensate because anode cover A deforms the change caused, but this structure phase metal currect collecting net B2 after discharge can come off and cause loose contact.Fig. 2,3 shown two embodiments are that metal currect collecting net B2 changes into the U-shaped metal collecting ring F of different structure.Use U-shaped metal collecting ring F can limit positive plate B to expanded radially, make positive plate B can only expand to short transverse, thus the size that effective compensation negative plate D causes after consuming reduces, therefore there is more preferable discharge performance with U-shaped metal collecting ring F than currect collecting net, but, use U-shaped metal collecting ring F that positive plate B entirety can be made to lack flexibility, be easier in high temperature environments come in contact bad phenomenon.
In order to solve the problems referred to above, existing method includes extruding on U-shaped metal collecting ring F upper surface as shown in Figure 4 salient point, burr F1, or as shown in Figure 5 at anode cover A inner surface spot welding spring leaf A1 etc..But using salient point and burr can not effectively solve contact problems, because salient point or burr not elasticity, once housing at high temperature deforms, and positive pole will come into question with contacting of anode cover.Although in anode cover A, spot welding spring leaf is effective, but adds part, and processing also trouble, work efficiency are low, can increase the cost of batch production.
Utility model content
The purpose of this utility model is that providing a kind of contacts reliable button cell, and production cost is low.
For achieving the above object, this utility model be the technical scheme is that
The reliable button cell of a kind of contact, including positive plate, described positive plate includes positive powder and the U-shaped metal collecting ring being connected in described positive powder, the overall curved or shape of described positive plate or shape.
The height overall H 0.03mm--2mm to be exceeded than clear height h of described positive plate, described height overall H is the distance between the peak of U-shaped metal collecting ring on vertical direction and positive powder base minimum point, and described clear height h is the distance between the peak of U-shaped metal collecting ring and positive powder base peak.
The beneficial effects of the utility model are: the positive plate of arc or shape or shape has good elasticity, after loading inside battery, the space can caused after deforming with effective compensation positive plate insufficient height or anode cover, it is ensured that battery effectively contacts, make the internal resistance of cell stable, working properly；Additionally, this utility model structure does not increase new parts, thus without extra procedure of processing, thus production cost is low.
Accompanying drawing explanation
Fig. 1 is tradition button cell generalized section；
Fig. 2 is a tradition button cell positive plate wherein embodiment schematic diagram；
Fig. 3 is tradition another embodiment schematic diagram of button cell positive plate；
Fig. 4 is tradition button cell positive plate another embodiment schematic diagram；
Fig. 5 is tradition another embodiment schematic diagram of Snap-type cell positive shell；
Fig. 6 is this utility model button cell positive plate wherein embodiment schematic diagram；
Fig. 7 is another embodiment schematic diagram of this utility model button cell positive plate；
Fig. 8 is this utility model button cell positive plate another embodiment schematic diagram.
Detailed description of the invention
As shown in Fig. 6,7,8, this utility model contacts reliable button cell and includes that positive plate 1, described positive plate 1 include positive powder 11 and the U-shaped metal collecting ring 12 being connected in described positive powder 11, the overall curved or shape of described positive plate 1 or shape.
The positive plate 1 of described arc or shape or shape has good elasticity, after loading inside battery, under the effect of closure pressure, positive plate 1 can occur elastic deformation, even if thus anode cover deforms in the case of a high temperature, also can guarantee that the internal good contact performance of button cell.I other words, in loading battery, after closure, there is elastic deformation in positive plate 1, such that it is able to the space that effective compensation positive plate 1 insufficient height or anode cover deformation cause later, it is ensured that battery effectively contacts, and makes the internal resistance of cell stable, working properly；Additionally, this utility model structure does not increase new parts, thus without extra procedure of processing, thus production cost is low.
In the present embodiment, it is also preferred that the left the height overall H of described positive plate 1 0.03mm--2mm to be exceeded than clear height h, the least meeting of difference in height causes elastic inadequate, and too conference makes positive plate 1 crackle occur and be unfavorable for assembling.
Described height overall H is the distance between the peak of U-shaped metal collecting ring 12 on vertical direction and positive powder 11 base minimum point, and described clear height h is the distance between the peak of U-shaped metal collecting ring 12 and positive powder 11 base peak.
In U-shaped metal collecting ring 12 and positive powder 11 pressing process, the drift of compacting up and down of surface relief coupling is used to suppress in a mold.
Claims (2)
1. contacting a reliable button cell, including positive plate, described positive plate includes positive powder and the U-shaped metal collecting ring being connected in described positive powder, it is characterised in that: the overall curved or shape of described positive plate or shape.
The reliable button cell of contact the most according to claim 1, it is characterized in that: the height overall H 0.03mm--2mm to be exceeded than clear height h of described positive plate, described height overall H is the distance between the peak of U-shaped metal collecting ring on vertical direction and positive powder base minimum point, and described clear height h is the distance between the peak of U-shaped metal collecting ring and positive powder base peak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403110.7U CN205752373U (en) | 2016-05-06 | 2016-05-06 | The reliable button cell of a kind of contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403110.7U CN205752373U (en) | 2016-05-06 | 2016-05-06 | The reliable button cell of a kind of contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752373U true CN205752373U (en) | 2016-11-30 |
Family
ID=57369929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620403110.7U Active CN205752373U (en) | 2016-05-06 | 2016-05-06 | The reliable button cell of a kind of contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205752373U (en) |
-
2016
- 2016-05-06 CN CN201620403110.7U patent/CN205752373U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170411 Address after: 518000 Shenzhen City, Baoan District Province, Shiyan street, Tong Tong Community Industrial Zone, the first floor of the 1-4 Patentee after: Jingshi Electromechanical Science & Technology Co., Ltd., Shenzhen City Address before: 518000 Guangdong city of Shenzhen province Nanshan District Shahe road two 6 Building 404 British Gardens Patentee before: Li Hongbo |