CN204651385U - The upper insulating trip of power-type cylindrical lithium ion battery - Google Patents
The upper insulating trip of power-type cylindrical lithium ion battery Download PDFInfo
- Publication number
- CN204651385U CN204651385U CN201520040787.4U CN201520040787U CN204651385U CN 204651385 U CN204651385 U CN 204651385U CN 201520040787 U CN201520040787 U CN 201520040787U CN 204651385 U CN204651385 U CN 204651385U
- Authority
- CN
- China
- Prior art keywords
- insulating trip
- upper insulating
- center hole
- lug
- via hole
- 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.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model provides a kind of upper insulating trip of power-type cylindrical lithium ion battery, the center of described upper insulating trip circumference is provided with center hole, described center hole surrounding is provided with lug via hole and two hollow circular holes of two arcs, and the cross section of described center hole and described lug via hole is concentric circles.The beneficial effects of the utility model are: while meeting the design of high power Double-pole lug, decrease and rely on the excessive short-circuit risks brought of center hole perforate, improve the coefficient of safety of battery; Lug via hole adopts arc via hole, reduces the short circuit probability that the partially soft gland hat brim edge caused of material that lug perforate too much causes upwarps appearance, meets the requirement of processing characteristics under the prerequisite ensureing processing characteristics further.
Description
Technical field
The utility model relates to field of lithium ion battery, particularly relates to the upper insulating trip of power-type cylindrical lithium ion battery.
Background technology
Along with the development of lithium ion battery, lithium ion battery is more and more generally applied in the fields such as electric tool, and its power requirement is more and more higher.In order to meet the design requirement of high-power battery, the anode pole piece of lithium ion battery many times must adopt Double-pole lug or multi pole ears design, brings the application problem of insulating trip thus.
At present, the upper insulating trip of cylindrical lithium ion battery generally adopt center hole structure, but this structure can only be applied in monopole ear design, can not meet the demand of high power cylindrical lithium ion battery.If this structure is applied in the application of high power cylindrical lithium ion battery, must center hole side is large, if but center hole perforate is excessive, and anode ear bending can cause the internal short-circuit of battery to bring potential safety hazard when passing centre bore; If centre bore perforate is too small, the difficulty that lug passes greatly can promote and have a strong impact on operating efficiency.Therefore, must improve in the structural design of the upper insulating trip of cylindrical lithium ion battery.
For utility model patent " high power cylindrical lithium ion battery and top insulation washer " (patent No.: CN 202651254 U), it is by designing arc lug via hole to meet the demands at pad center hole.Although this method can meet the requirement that Double-pole lug arranges multi pole ears, there is arc lug via hole too much in the top insulation washer of this structure, and other processability problems caused thus.Arc as too much is poroid causes this top insulation washer internal structure cavity, material is partially soft, the gland cap operation adding top insulation washer there will be the poroid edge of top insulation washer most peripheral arc upwarp and do not make battery core with block thoroughly insulate, both brought the potential safety hazard of short circuit, the edge of tilting brings certain difficulty of processing also can to the welding of follow-up block.
Utility model content
The utility model is for above problem, the structural design of upper insulating trip takes into account processability and fail safe, new solution is proposed for cylindrical lithium ion battery top insulation washer, provides a kind of upper insulating trip that can meet high power designing requirement, processing characteristics is excellent, coefficient of safety is high power-type cylindrical lithium ion battery.
The utility model provides a kind of upper insulating trip of power-type cylindrical lithium ion battery, the center of described upper insulating trip circumference is provided with center hole, described center hole surrounding is provided with lug via hole and two hollow circular holes of two arcs, and the cross section of described center hole and described lug via hole is concentric circles.
As further improvement of the utility model, two hollow circular holes are symmetricly set in the described center hole left and right sides.
As further improvement of the utility model, two lug via holes are symmetricly set in the upper and lower both sides of described center hole.
As further improvement of the utility model, the wide 1 ~ 5mm of arc section in described lug via hole cross section.
As further improvement of the utility model, the aperture of described center hole is 1 ~ 5mm.
As further improvement of the utility model, the aperture of described hollow circular hole is 1 ~ 3mm.
As further improvement of the utility model, the diameter of described upper insulating trip is 12 ~ 17mm.
As further improvement of the utility model, the thickness of described upper insulating trip is 0.1 ~ 0.3mm.
As further improvement of the utility model, described upper insulated strip material is PP, PET, PTFE and/or PFA of insulation.
The beneficial effects of the utility model are: while meeting the design of high power Double-pole lug, decrease and rely on the excessive short-circuit risks brought of center hole perforate, improve the coefficient of safety of battery; Lug via hole adopts arc via hole, reduces the short circuit probability that the partially soft gland hat brim edge caused of material that lug perforate too much causes upwarps appearance, meets the requirement of processing characteristics under the prerequisite ensureing processing characteristics further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model discloses a kind of upper insulating trip of power-type cylindrical lithium ion battery, the center of described upper insulating trip circumference is provided with center hole, described center hole surrounding is provided with lug via hole and two hollow circular holes of two arcs, and the cross section of described center hole and described lug via hole is concentric circles.
Two hollow circular holes are symmetricly set in the described center hole left and right sides, and two lug via holes are symmetricly set in the upper and lower both sides of described center hole.
The circular arc e in described lug via hole cross section and the wide 1 ~ 5mm of f section, the aperture a of center hole is 1 ~ 5mm, the aperture c of described hollow circular hole is 1 ~ 3mm, the diameter b of described upper insulating trip is 12 ~ 17mm, the thickness of described upper insulating trip is 0.1 ~ 0.3mm, and described upper insulated strip material is PP, PET, PTFE and/or PFA of insulation.
During use, on this, the lug via hole of the arc of insulating trip and center hole directly can be inserted in positive pole ear, and operation is simple, and coefficient of safety is high.
The utility model has following beneficial effect:
1, while meeting the design of high power Double-pole lug, decrease and rely on the excessive short-circuit risks brought of center hole perforate, improve the coefficient of safety of battery.
2, lug via hole adopts arc via hole, reduces the short circuit probability that the partially soft gland hat brim edge caused of material that lug perforate too much causes upwarps appearance, meets the requirement of processing characteristics under the prerequisite ensureing processing characteristics further.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (8)
1. the upper insulating trip of a power-type cylindrical lithium ion battery, it is characterized in that: the center of described upper insulating trip circumference is provided with center hole, described center hole surrounding is provided with lug via hole and two hollow circular holes of two arcs, and the cross section of described center hole and described lug via hole is concentric circles.
2. upper insulating trip according to claim 1, is characterized in that: two hollow circular holes are symmetricly set in the described center hole left and right sides.
3. upper insulating trip according to claim 2, is characterized in that: two lug via holes are symmetricly set in the upper and lower both sides of described center hole.
4. upper insulating trip according to claim 1, is characterized in that: the wide 1 ~ 5mm of arc section in described lug via hole cross section.
5. upper insulating trip according to claim 4, is characterized in that: the aperture of described center hole is 1 ~ 5mm.
6. upper insulating trip according to claim 5, is characterized in that: the aperture of described hollow circular hole is 1 ~ 5mm.
7. upper insulating trip according to claim 6, is characterized in that: the diameter of described upper insulating trip is 12 ~ 17mm.
8. upper insulating trip according to claim 7, is characterized in that: the thickness of described upper insulating trip is 0.1 ~ 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040787.4U CN204651385U (en) | 2015-01-21 | 2015-01-21 | The upper insulating trip of power-type cylindrical lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040787.4U CN204651385U (en) | 2015-01-21 | 2015-01-21 | The upper insulating trip of power-type cylindrical lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204651385U true CN204651385U (en) | 2015-09-16 |
Family
ID=54104099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520040787.4U Expired - Fee Related CN204651385U (en) | 2015-01-21 | 2015-01-21 | The upper insulating trip of power-type cylindrical lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204651385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980172A (en) * | 2019-03-28 | 2019-07-05 | 安徽泰能新能源科技有限公司 | A kind of insulation spacer and the cylindrical lithium battery with the gasket |
-
2015
- 2015-01-21 CN CN201520040787.4U patent/CN204651385U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980172A (en) * | 2019-03-28 | 2019-07-05 | 安徽泰能新能源科技有限公司 | A kind of insulation spacer and the cylindrical lithium battery with the gasket |
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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 |
Effective date of registration: 20180214 Address after: Longgang District of Shenzhen City, Guangdong province 518000 Henggang Street Community Xinlong Road No. 37 Roland A building 3 floor, building D, C Patentee after: BST Power (Shenzhen) Limited Address before: 518115 No.57-2 Shahe Road, Dangkang, Dangkang, Longgang District, Shenzhen, Guangdong Province Patentee before: Shenzhen Licell Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20200121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |