CN218070127U - Lithium battery pack special for designated driving - Google Patents
Lithium battery pack special for designated driving Download PDFInfo
- Publication number
- CN218070127U CN218070127U CN202221886855.5U CN202221886855U CN218070127U CN 218070127 U CN218070127 U CN 218070127U CN 202221886855 U CN202221886855 U CN 202221886855U CN 218070127 U CN218070127 U CN 218070127U
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- Prior art keywords
- fire
- retardant support
- winding displacement
- cell group
- battery pack
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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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Abstract
The utility model discloses a take the place of special lithium cell group of driving, including a plurality of rows of electricity cores, set up the fire-retardant support of both sides around the electricity core and adhere to the outside shaping nickel strap of fire-retardant support, still be equipped with the draw-in groove that is used for installing protection shield and winding displacement board on the fire-retardant support, shaping nickel strap passes through utmost point ear nickel piece welding with the winding displacement board, fire-retardant support carries out fixed connection through the bolt with the protection shield. Select for use the winding displacement board to replace conventional winding displacement in this application, can realize automatic welding, solder joint safe and reliable, the production body has been reduced, the bolt not only plays to lock behind the fire-retardant support fastening fixed protection shield, still guarantee battery welding back can not lead to utmost point ear nickel piece fracture because of strong vibration, and the internal circuit of lithium cell group has been simplified, the reduction that is showing the potential safety hazard of lithium cell group, and compare in the lithium cell group with the specification, its size is less, the use that is applicable to the generation and drives that can be better, the holistic weight of the generation of driving has effectively been reduced.
Description
Technical Field
The utility model relates to a lithium battery technology field, concretely relates to take the place of special lithium cell group of driving.
Background
With the development of economy and technology, the nation has higher requirements on environmental protection. Lithium batteries are also gradually recognized by the market as an emerging clean energy source. At present, the internal circuit of the existing lithium battery pack is complicated and has great potential safety hazard. Under the same specification, the lithium battery pack with smaller size has larger safety risk due to the reduction of the internal space. The lithium battery pack with a large size, although considering safety, is not satisfactory enough for the market, especially for a small electric vehicle such as a vehicle, and the lithium battery pack has to meet the requirements of a large size, a small size and a high capacity.
Therefore, the technical scheme of the application is specially provided, the internal parts of the lithium battery pack are redesigned, and the lithium battery pack which is small in size, high in capacity and safe is realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special lithium cell group of driving a vehicle in generation to solve the current problem of proposing in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a take the place of special lithium cell group of driving, includes a plurality of rows of electricity core, sets up the fire-retardant support of both sides around the electricity core and adheres to the outside shaping nickel strap of fire-retardant support, still be equipped with the draw-in groove that is used for installing protection shield and winding displacement board on the fire-retardant support, shaping nickel strap passes through utmost point ear nickel piece welding with the winding displacement board, fire-retardant support carries out fixed connection through the bolt with the protection shield.
Preferably, the protection plate is a same-opening protection plate.
Preferably, the protection plate, the wire arranging plate and the forming nickel strap are welded through a tab nickel sheet.
Preferably, the thickness of the formed nickel strap is 0.15mm.
Preferably, the battery core is a 21700 automobile-grade battery core, and the cycle number of the battery core is more than 1000.
Compared with the prior art, the beneficial effects of the utility model are that: choose the winding displacement board for use in this application to replace conventional winding displacement, can realize automatic welding, solder joint safe and reliable, the production body has been reduced, the bolt not only plays to lock behind the fire-retardant support fastening fixed protection shield, still guarantee that can not lead to utmost point ear nickel piece fracture because of strong vibration after the battery welding, and simplified the internal circuit of lithium cell group, the apparent potential safety hazard that has reduced the lithium cell group, and compare in the lithium cell group with the specification, its size is less, can be better be applicable to the use of driving for a day, the holistic weight of driving for a day has effectively been reduced.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a schematic view of the assembly structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a take the place of special lithium cell group of driving, including a plurality of rows of electricity core 7, set up fire-retardant support 5 of both sides around electricity core 7 and adhere to in the outside shaping nickel strap 3 of fire-retardant support 5, still be equipped with the draw-in groove that is used for installing protection shield 6 and winding displacement board 2 on fire-retardant support 5, shaping nickel strap 3 passes through utmost point ear nickel piece 1 welding with winding displacement board 2, fire-retardant support 5 carries out fixed connection through bolt 4 with protection shield 6. Fire-retardant support 5 in this application adopts special fire-retardant V0 level support, and fire-retardant effect is good.
Further, the protection plate 6 is a same-opening protection plate.
Further, the protective plate 6, the wire arranging plate 2 and the forming nickel strap 3 are welded through a tab nickel sheet 1;
further, the thickness of the formed nickel strap 3 is 0.15mm.
Further, the battery core 7 is a 21700 automobile-grade battery core, and the cycle number of the battery core is greater than 1000.
Choose for use winding displacement board 2 to replace conventional winding displacement in this application, can realize automatic welding, solder joint safe and reliable, the production body has been reduced, bolt 4 not only plays and steps up fixed protection shield 6 behind the fire-retardant support 5 of locking simultaneously, still guarantee that can not lead to utmost point ear nickel piece 1 fracture because of strong vibration after the battery welding, and simplified the internal circuit of lithium cell group, the reduction of showing the potential safety hazard of lithium cell group, and compare in the lithium cell group with the specification, its size is less, can be better be applicable to the use of driving instead, the holistic weight of driving in order has effectively been reduced.
During assembly, the battery core 7 is inserted into the flame-retardant support 5, the integrated protection plate 6 and the wiring board 2 are inserted into a clamping groove of the flame-retardant support 5, the bolt 4 is pressed into a screw hole in the outer side of the flame-retardant support 5, the formed nickel strap 3 is welded on a positive electrode and a negative electrode of the battery core 7, a lug of the formed nickel strap 3 is welded in the protection plate 6 and is welded on the wiring board 2 through a lug nickel sheet 1, and the whole battery pack is assembled and then is placed in a waterproof shell.
The utility model discloses the standard part that uses all can purchase from the market, dysmorphism piece all can be customized according to the description with the record of attached drawing, the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, machinery, part and equipment all adopt among the prior art, conventional model, including circuit connection adopts conventional connected mode among the prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that expert technical personnel know in this field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a special lithium cell group of driving on behalf of a vehicle which characterized in that: including a plurality of rows of electric cores (7), set up fire-retardant support (5) of both sides around electric core (7) and adhere to in the outside shaping nickel strap (3) of fire-retardant support (5), still be equipped with the draw-in groove that is used for installing protection shield (6) and winding displacement board (2) on fire-retardant support (5), shaping nickel strap (3) are through utmost point ear nickel piece (1) welding with winding displacement board (2), fire-retardant support (5) carry out fixed connection through bolt (4) with protection shield (6).
2. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: the protection plate (6) is a same-opening protection plate.
3. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: the protective plate (6), the wire arranging plate (2) and the forming nickel strap (3) are welded through a tab nickel sheet (1).
4. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: the thickness of the formed nickel strap (3) is 0.15mm.
5. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: the battery core (7) adopts a 21700 automobile-grade battery core, and the cycle number of the battery core is more than 1000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221886855.5U CN218070127U (en) | 2022-07-21 | 2022-07-21 | Lithium battery pack special for designated driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221886855.5U CN218070127U (en) | 2022-07-21 | 2022-07-21 | Lithium battery pack special for designated driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218070127U true CN218070127U (en) | 2022-12-16 |
Family
ID=84400582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221886855.5U Active CN218070127U (en) | 2022-07-21 | 2022-07-21 | Lithium battery pack special for designated driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218070127U (en) |
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2022
- 2022-07-21 CN CN202221886855.5U patent/CN218070127U/en active Active
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