CN209029463U - Power battery connection sheet and power battery - Google Patents
Power battery connection sheet and power battery Download PDFInfo
- Publication number
- CN209029463U CN209029463U CN201821658335.2U CN201821658335U CN209029463U CN 209029463 U CN209029463 U CN 209029463U CN 201821658335 U CN201821658335 U CN 201821658335U CN 209029463 U CN209029463 U CN 209029463U
- Authority
- CN
- China
- Prior art keywords
- interconnecting piece
- connection sheet
- power battery
- battery
- tab
- 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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Links
- 238000005452 bending Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 238000005491 wire drawing Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to power battery technology field, more particularly to power battery connection sheet, power battery connection sheet, the connection sheet includes pole interconnecting piece, tab interconnecting piece and fuse part, one end of the pole interconnecting piece extends to form the tab interconnecting piece to the direction bending far from battery battery core, and the fuse part is set between the pole interconnecting piece and the tab interconnecting piece.Compared with the prior art, by extending to form tab interconnecting piece to the direction bending far from battery battery core in one end of pole interconnecting piece, keep pole interconnecting piece and tab interconnecting piece formation certain altitude poor, to form certain space between tab interconnecting piece and tab；Therefore, when short circuit occurs for power battery, fuse part high temperature melting, which has no progeny thoroughly to fall, is disconnected piece, avoids fuse part there are wire drawing or other connections, ensure that power battery using safe.
Description
Technical field
The utility model belongs to power battery technology field more particularly to power battery connection sheet.
Background technique
With the development of modern society and the enhancing of people's environmental consciousness, more and more equipment select using lithium battery as
Power supply, such as mobile phone, laptop, electric tool and electric car, this is provided extensively for the application of lithium battery with development
Wealthy space.Wherein, lithium battery used in electric tool and electric car etc. is commonly referred to as power battery.
In the case where the fast development of all kinds of portable electronic products and powered vehicle, to the use of battery and
Rely on more and more, public to the stability of battery, safety, higher requirements are also raised.Wherein, the connection of inside battery
Piece is to play an important role for both connecting tab and pole to battery security and electrical stability；Therefore, battery connects
It can generally be equipped with fuse part in contact pin and be used for overload protection, when power battery overuses or overloads, entire circuit wink
Between generate very big electric current, high temperature fusing, which occurs, for fuse part keeps battery breaking, so that preventing power battery short circuit from burning causes people
Member is injured.
But it is closer apart from battery battery core after assembly since existing power battery connection sheet is all strip, work as power battery
When short circuit occurs, what fuse part high temperature melting was had no progeny is adhered on battery battery core together there is also wire drawing or with connection sheet, causes
Overload protection failure, to burn battery, or even causes injury to personnel.
Utility model content
The purpose of this utility model is that: in view of the deficiencies of the prior art, and power battery connection sheet is provided, it is existing to solve
The fuse part of dynamic cell connector is easy to happen wire drawing or other connections when fusing, fuse part overload protection is caused to lose
The problem of effect.
To achieve the goals above, the utility model uses following technical scheme:
Power battery connection sheet, the connection sheet include pole interconnecting piece, tab interconnecting piece and fuse part, and the pole connects
One end of socket part extends to form the tab interconnecting piece to the direction bending far from battery battery core, and the fuse part is set to described
Between pole interconnecting piece and the tab interconnecting piece.
As the preferred embodiment of power battery connection sheet described in the utility model, the pole interconnecting piece, the tab
Interconnecting piece is an integral molding structure with the fuse part.By using above scheme, the electric current in connection sheet can be more stable
By connection sheet, have the function that stabling current, improves the security performance of battery.
As the preferred embodiment of power battery connection sheet described in the utility model, the fuse part is equipped with fusing hole or molten
Disconnected chamber.By using above scheme, reduce fuse part sectional area, it is made to be easy that the high temperature melting generated when short circuit occurs by battery
It is disconnected, preferably play the role of overload protection.
As the preferred embodiment of power battery connection sheet described in the utility model, the volume of the fusing hole or the chamber that fuses
Account for the 20~40% of fuse part total volume.If it is too small that the fusing hole or the volume for the chamber that fuses account for fuse part total volume, fuse
Effect is bad, can not play the role of overload protection；If it is excessive that the fusing hole or the volume for the chamber that fuses account for fuse part total volume,
Then the intensity of fuse part is weaker, is easy to happen fracture, influences the security performance of battery.By the way that above-mentioned numerical value is arranged, both can guarantee
Fuse part can effectively play the role of overload protection, and can guarantee that its intensity is not weak, be not susceptible to be broken.
As the preferred embodiment of power battery connection sheet described in the utility model, insulation is provided with outside the fuse part
Garment bag.By the way that insulated plastic gum cover is arranged, can effective protection fuse part, the reason of preventing non-battery from overloading causes battery breaking,
Improve the service life of connection sheet.
As the preferred embodiment of power battery connection sheet described in the utility model, the connection sheet is metallic copper connection
Piece, metallic aluminium connection sheet or alloy connection sheet.According to specific actual conditions, corresponding metal connecting sheet is selected.
As the preferred embodiment of power battery connection sheet described in the utility model, the connection sheet with a thickness of 0.1~
5mm.If thickness is too small, the intensity of connection sheet not can guarantee；If thickness is excessive, fuse part is made to be more difficult to fuse, and increased
The production cost of connection sheet.By using above-mentioned thickness, the intensity of connection sheet not only can guarantee, but also can guarantee fuse part in exception
In the case of fuse, and reduce connection sheet production cost.
Another of the utility model is designed to provide a kind of power battery: the power battery includes battery core, accommodates electricity
The battery case of core and the top cover being sealingly mounted on battery case, the battery core are equipped with positive pole ear, set on the top cover
There are Positive Poles, the connection sheet of power battery is previously described connection sheet.
As the preferred embodiment of power battery described in the utility model, the connection sheet is positive strap, the pole
Column interconnecting piece is connected with Positive Poles, and the tab interconnecting piece is connected with positive pole ear.
As the preferred embodiment of power battery described in the utility model, the top cover is equipped with liquid injection hole, and the tab connects
Through-hole corresponding with the liquid injection hole is offered in socket part.
The utility model have the beneficial effect that by one end of pole interconnecting piece to far from battery battery core direction
Bending extends to form tab interconnecting piece, keeps pole interconnecting piece and tab interconnecting piece formation certain altitude poor, to connect in tab
Certain space is formed between portion and tab；Therefore, when power battery occur short circuit when, fuse part high temperature melting have no progeny can thoroughly fall it is de-
From connection sheet, avoid there are wire drawing or other connections, ensure that power battery using safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1 in the utility model.
Fig. 2 is the assembling schematic diagram of embodiment 1 in the utility model.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B area enlarged drawing of Fig. 3.
Fig. 5 is the structural schematic diagram of embodiment 3 in the utility model.
In figure: 1- connection sheet；11- pole interconnecting piece；12- tab interconnecting piece；121- first through hole；13- fuse part；131-
Fusing hole；132- insulated plastic gum cover；2- top cover；21- Positive Poles；22- liquid injection hole.
Specific embodiment
To keep the technical solution of the utility model and advantage clearer, below in conjunction with specific embodiment and specification
Attached drawing is described in further detail the utility model and its advantages, but the embodiments of the present invention is not limited to
This.
Embodiment 1
As shown in Figs 1-4, power battery including battery core, accommodates the battery case of battery core and is sealingly mounted at battery case
On top cover 2, battery core be equipped with positive pole ear, top cover 2 be equipped with Positive Poles 21, liquid injection hole 22 and positive strap；Wherein,
Positive strap is metallic aluminium connection sheet, and with a thickness of 2.5mm, connection sheet 1 includes pole interconnecting piece 11, tab interconnecting piece 12 and melts
The one end in disconnected portion 13, pole interconnecting piece 11 extends to form tab interconnecting piece 12, fuse part to the direction bending far from battery battery core
13 are arranged between pole interconnecting piece 11 and tab interconnecting piece 12, and fuse part 13 is equipped with fusing hole 131, the volume of fusing hole 131
The 35% of 13 total volume of fuse part is accounted for, and pole interconnecting piece 11, tab interconnecting piece 12 are an integral molding structure with fuse part 13；Pole
Through-hole 121 corresponding with liquid injection hole 22 is offered on ear interconnecting piece 12；Wherein, pole interconnecting piece 11 is connected with Positive Poles 21
It connects, tab interconnecting piece 12 is connected with positive pole ear.
By extending to form tab interconnecting piece 12 to the direction bending far from battery battery core in one end of pole interconnecting piece 11,
Keep pole interconnecting piece 11 and the formation certain altitude of tab interconnecting piece 12 poor, to be formed between tab interconnecting piece 12 and tab certain
Space；Therefore, when short circuit occurs for power battery, 13 high temperature melting of fuse part, which has no progeny thoroughly to fall, is disconnected piece 1, avoids depositing
In wire drawing or other connections, ensure that power battery using safe.
Embodiment 2
As shown in Figs 1-4, unlike the first embodiment, fuse part 13 is equipped with fusing chamber, and the volume for the chamber that fuses accounts for fuse part
The 40% of 13 total volumes.
Other structures are with embodiment 1, and which is not described herein again.
Embodiment 3
As shown in Figs. 1-5, unlike the first embodiment, insulated plastic gum cover 132 is provided with outside fuse part 13.
Other structures are with embodiment 1, and which is not described herein again.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to above-mentioned specific embodiment, all this field skills
It is practical new that art personnel any conspicuous improvement made on the basis of the utility model, replacement or modification belong to this
The protection scope of type.In addition, these terms are intended merely to facilitate although using some specific terms in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (10)
1. power battery connection sheet, it is characterised in that: the connection sheet (1) includes pole interconnecting piece (11), tab interconnecting piece
(12) and fuse part (13), one end of the pole interconnecting piece (11) extend to form described to the direction bending far from battery battery core
Tab interconnecting piece (12), the fuse part (13) be set to the pole interconnecting piece (11) and the tab interconnecting piece (12) it
Between.
2. power battery connection sheet according to claim 1, it is characterised in that: the pole interconnecting piece (11), the pole
Ear interconnecting piece (12) is an integral molding structure with the fuse part (13).
3. power battery connection sheet according to claim 1, it is characterised in that: the fuse part (13) is equipped with fusing hole
(131) or fusing chamber.
4. power battery connection sheet according to claim 3, it is characterised in that: the fusing hole (131) or the chamber that fuses
Volume accounts for the 20~40% of fuse part (13) total volume.
5. power battery connection sheet according to claim 1, it is characterised in that: be provided with outside the fuse part (13) absolutely
Edge garment bag (132).
6. power battery connection sheet according to claim 1, it is characterised in that: the connection sheet (1) is metallic copper connection
Piece, metallic aluminium connection sheet or alloy connection sheet.
7. power battery connection sheet according to claim 1, it is characterised in that: the connection sheet (1) with a thickness of 0.1~
5mm。
8. power battery, including battery core, the top cover (2) that accommodates the battery case of battery core and be sealingly mounted on battery case, institute
Battery core is stated equipped with positive pole ear, the top cover (2) is equipped with Positive Poles (21), it is characterised in that: including claim 1~
7 described in any item connection sheets (1).
9. power battery according to claim 8, it is characterised in that: the connection sheet (1) is positive strap, the pole
Column interconnecting piece (11) is connected with Positive Poles (21), and the tab interconnecting piece (12) is connected with positive pole ear.
10. power battery according to claim 8, it is characterised in that: the top cover (2) is equipped with liquid injection hole (22), described
Through-hole (121) corresponding with the liquid injection hole (22) is offered on tab interconnecting piece (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658335.2U CN209029463U (en) | 2018-10-12 | 2018-10-12 | Power battery connection sheet and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658335.2U CN209029463U (en) | 2018-10-12 | 2018-10-12 | Power battery connection sheet and power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029463U true CN209029463U (en) | 2019-06-25 |
Family
ID=66906169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821658335.2U Active CN209029463U (en) | 2018-10-12 | 2018-10-12 | Power battery connection sheet and power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029463U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299503A (en) * | 2019-07-29 | 2019-10-01 | 常州瑞德丰精密技术有限公司 | The battery cap of external fusing structure |
| CN111668439A (en) * | 2020-06-29 | 2020-09-15 | 远景动力技术(江苏)有限公司 | Electric connector, battery cell, soft package battery, module of soft package battery and battery cell lug machining method |
| CN112490595A (en) * | 2020-11-06 | 2021-03-12 | 欣旺达电动汽车电池有限公司 | Electric connection assembly, battery and electric equipment |
| WO2021179761A1 (en) * | 2020-03-12 | 2021-09-16 | 宁德时代新能源科技股份有限公司 | Secondary battery, battery module, and apparatus using secondary battery as power source |
| CN115020933A (en) * | 2022-08-10 | 2022-09-06 | 楚能新能源股份有限公司 | Battery cell safety protection device |
| WO2023092998A1 (en) * | 2021-11-29 | 2023-06-01 | 湖北亿纬动力有限公司 | Cell connecting sheet and cell battery |
| WO2023142967A1 (en) * | 2022-01-28 | 2023-08-03 | 宁德时代新能源科技股份有限公司 | Safety structure, battery and electric device |
| WO2023178600A1 (en) * | 2022-03-24 | 2023-09-28 | 宁德时代新能源科技股份有限公司 | Current-collecting member, battery cell, battery and power consuming device |
| CN117878536A (en) * | 2024-03-11 | 2024-04-12 | 蜂巢能源科技股份有限公司 | Connection sheet and battery structure |
-
2018
- 2018-10-12 CN CN201821658335.2U patent/CN209029463U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299503A (en) * | 2019-07-29 | 2019-10-01 | 常州瑞德丰精密技术有限公司 | The battery cap of external fusing structure |
| CN110299503B (en) * | 2019-07-29 | 2024-05-14 | 常州瑞德丰精密技术有限公司 | Battery top cover with external fusing structure |
| WO2021179761A1 (en) * | 2020-03-12 | 2021-09-16 | 宁德时代新能源科技股份有限公司 | Secondary battery, battery module, and apparatus using secondary battery as power source |
| CN111668439A (en) * | 2020-06-29 | 2020-09-15 | 远景动力技术(江苏)有限公司 | Electric connector, battery cell, soft package battery, module of soft package battery and battery cell lug machining method |
| CN112490595A (en) * | 2020-11-06 | 2021-03-12 | 欣旺达电动汽车电池有限公司 | Electric connection assembly, battery and electric equipment |
| WO2023092998A1 (en) * | 2021-11-29 | 2023-06-01 | 湖北亿纬动力有限公司 | Cell connecting sheet and cell battery |
| WO2023142967A1 (en) * | 2022-01-28 | 2023-08-03 | 宁德时代新能源科技股份有限公司 | Safety structure, battery and electric device |
| WO2023178600A1 (en) * | 2022-03-24 | 2023-09-28 | 宁德时代新能源科技股份有限公司 | Current-collecting member, battery cell, battery and power consuming device |
| CN115020933A (en) * | 2022-08-10 | 2022-09-06 | 楚能新能源股份有限公司 | Battery cell safety protection device |
| CN117878536A (en) * | 2024-03-11 | 2024-04-12 | 蜂巢能源科技股份有限公司 | Connection sheet and battery structure |
| CN117878536B (en) * | 2024-03-11 | 2024-05-28 | 蜂巢能源科技股份有限公司 | Connection sheet and battery structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220121 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 211100 Lantian Road 249, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |