CN218414945U - Special lithium cell group of driving in generation - Google Patents
Special lithium cell group of driving in generation Download PDFInfo
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- CN218414945U CN218414945U CN202221898357.2U CN202221898357U CN218414945U CN 218414945 U CN218414945 U CN 218414945U CN 202221898357 U CN202221898357 U CN 202221898357U CN 218414945 U CN218414945 U CN 218414945U
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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 special lithium cell group of driving a generation, including electric core group a and electric core group b, be provided with insulating resin plate between electric core group a and the electric core group b, electric core group a comprises a plurality of electric core a, two sets of fire-retardant support a and protection shield, electric core a is being held between two sets of fire-retardant support a, electric core a upper end is provided with the protection shield, electric core group b comprises a plurality of electric core b, two sets of fire-retardant support b and winding displacement board, electric core b is being held between two sets of fire-retardant support b, electric core b upper end is provided with the winding displacement board; and the flame-retardant support a and the flame-retardant support b are both provided with formed nickel sheets. Choose for use the winding displacement board to replace conventional winding displacement in this application, can realize automatic welding, solder joint safe and reliable has reduced manufacturing cost, has simplified the internal circuit of lithium cell group, 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, can be better be applicable to the use of driving in order, has effectively reduced the holistic weight of driving in order.
Description
Technical Field
The utility model relates to a lithium cell technical 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 of a relatively large size, although considering safety, is not satisfactory enough for the market, especially for a small electric vehicle such as a vehicle, and the requirements for the lithium battery must satisfy a small size and a high capacity.
Therefore, the technical scheme is specially provided, the internal parts of the lithium battery pack are redesigned, and the small-size, high-capacity and safe lithium battery pack is realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special lithium cell group of driving on behalf of to solve the current problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a special lithium battery pack for a designated driving vehicle comprises an electric core group a and an electric core group b, wherein an insulating resin plate is arranged between the electric core group a and the electric core group b;
the battery cell group a consists of a plurality of battery cells a, two groups of flame-retardant supports a and a protection plate, the battery cells a are clamped between the two groups of flame-retardant supports a, and the protection plate is arranged at the upper end parts of the battery cells a;
the battery core group b consists of a plurality of battery cores b, two groups of flame-retardant supports b and a wiring board, the battery cores b are clamped between the two groups of flame-retardant supports b, and the wiring board is arranged at the upper end parts of the battery cores b;
and the flame-retardant support a and the flame-retardant support b are both provided with formed nickel sheets.
Preferably, the battery cell a and the battery cell b are two same products, and the flame-retardant support a and the flame-retardant support b have the same structure.
Preferably, the battery core a and the battery core b are both 21700 automobile-grade battery cores, and the cycle number is greater than 1000.
Preferably, the flame-retardant support a is provided with a groove a, the groove a is used for installing the protection plate, the flame-retardant support a close to one side of the insulating resin plate is further provided with a clamping groove a, and the clamping groove a is used for installing the insulating resin plate.
Preferably, the flame-retardant support b is provided with a groove b, the groove b is used for installing a wire arranging plate, the flame-retardant support b close to one side of the insulating resin plate is further provided with a clamping groove b, and the clamping groove b is used for installing the insulating resin plate.
Preferably, the forming nickel sheet is provided with a tab, the tab is connected with the protective plate and the wiring board through welding, and the thickness of the forming nickel sheet is 0.15mm.
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, production cost is reduced, the plastics rivet not only plays behind the locking support presss from both sides tight fixed protection shield, still guarantee can not lead to the nickel piece fracture because of strong vibration after the battery welding, and simplified the internal circuit of lithium cell group, 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, can be better be applicable to the use of driving instead, the holistic weight of driving instead 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 special lithium battery pack for a designated driving vehicle, which comprises an electric core group a1 and an electric core group b2, wherein an insulating resin plate 3 is arranged between the electric core group a1 and the electric core group b 2;
the battery cell group a1 consists of a plurality of battery cells a11, two groups of flame-retardant supports a12 and a protection plate 13, the battery cells a11 are clamped between the two groups of flame-retardant supports a12, and the protection plate 13 is arranged at the upper end parts of the battery cells a 11;
the battery core group b2 consists of a plurality of battery cells b21, two groups of flame-retardant supports b22 and a wiring board 23, the battery cells b21 are clamped between the two groups of flame-retardant supports b22, and the wiring board 23 is arranged at the upper end part of the battery cells b 21; choose for use winding displacement board 23 to replace conventional winding displacement in this application, can realize automatic welding, solder joint safe and reliable has reduced manufacturing cost.
And the flame-retardant support a12 and the flame-retardant support b22 are both provided with a forming nickel sheet 4.
The battery cell a11 and the battery cell b21 are two same products, and the flame-retardant support a12 and the flame-retardant support b22 have the same structure.
The battery core a11 and the battery core b21 are both 21700 automobile-grade battery cores, and the cycle number is greater than 1000.
The flame-retardant support a12 is provided with a groove a, the groove a is used for installing the protective plate 13, the flame-retardant support a12 close to one side of the insulating resin plate 3 is further provided with a clamping groove a, and the clamping groove a is used for installing the insulating resin plate 3.
The flame-retardant support b22 is provided with a groove b, the groove b is used for installing the wire arranging plate 23, the flame-retardant support b22 close to one side of the insulating resin plate 3 is further provided with a clamping groove b, and the clamping groove b is used for installing the insulating resin plate 3.
Be provided with utmost point ear on shaping nickel sheet 4, utmost point ear is connected through welding and protection shield 13, winding displacement board 23, shaping nickel sheet 4's thickness is 0.15mm.
During assembly, the 21700 electric core is inserted into the support, the protection plate 13 and the wire arranging plate 23 are inserted into the clamping grooves of the support, the plastic rivet 5 is pressed into the screw hole on the outer side of the support, the molded nickel sheet 4 is welded to the positive and negative electrodes of the 21700 electric core, the tabs of the molded nickel sheet 4 are welded to the protection plate 13 and the wire arranging plate 23, and the whole battery pack is plastically packaged into a shell after being assembled. The plastic rivet 5 in the application not only plays the role of locking the fixed protective plate clamped behind the bracket, but also ensures that the nickel sheet 4 is not broken due to strong vibration after the battery is welded.
Simultaneously, this application has simplified the lithium cell internal line, is showing the potential safety hazard that has reduced the lithium cell group, and compares in the lithium cell group with the specification, and its size is less, can be better be applicable to the use of driving as a substitute, has effectively reduced the holistic weight of driving as a substitute.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption 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 skilled person in the art knows.
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 (6)
1. The utility model provides a special lithium cell group of driving a vehicle in generation which characterized in that: the electric core device comprises an electric core group a (1) and an electric core group b (2), wherein an insulating resin plate (3) is arranged between the electric core group a (1) and the electric core group b (2);
the electric core group a (1) consists of a plurality of electric cores a (11), two groups of flame-retardant supports a (12) and a protective plate (13), the electric cores a (11) are clamped between the two groups of flame-retardant supports a (12), and the protective plate (13) is arranged at the upper end part of the electric cores a (11);
the battery core group b (2) consists of a plurality of battery cores b (21), two groups of flame-retardant supports b (22) and a wire arranging plate (23), the battery cores b (21) are clamped between the two groups of flame-retardant supports b (22), and the wire arranging plate (23) is arranged at the upper end part of the battery cores b (21);
and the flame-retardant support a (12) and the flame-retardant support b (22) are both provided with a forming nickel sheet (4).
2. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: the battery cell a (11) and the battery cell b (21) are two same products, and the flame-retardant support a (12) and the flame-retardant support b (22) have the same structure.
3. The lithium battery pack special for the designated driving vehicle as claimed in claim 2, wherein: the battery core a (11) and the battery core b (21) are both 21700 automobile-grade battery cores, and the cycle number is more than 1000.
4. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: the flame-retardant resin board is characterized in that a groove a is formed in the flame-retardant support a (12), the groove a is used for installing a protective board (13), a clamping groove a is further formed in the flame-retardant support a (12) close to one side of the insulating resin board (3), and the clamping groove a is used for installing the insulating resin board (3).
5. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: the flame-retardant wire arranging plate is characterized in that a groove b is formed in the flame-retardant support b (22), the groove b is used for installing a wire arranging plate (23), a clamping groove b is further formed in the flame-retardant support b (22) close to one side of the insulating resin plate (3), and the clamping groove b is used for installing the insulating resin plate (3).
6. The lithium battery pack special for the designated driving vehicle as claimed in claim 1, wherein: be provided with utmost point ear on shaping nickel piece (4), utmost point ear is connected through welding and protection shield (13), winding displacement board (23), the thickness of shaping nickel piece (4) is 0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221898357.2U CN218414945U (en) | 2022-07-21 | 2022-07-21 | Special lithium cell group of driving in generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221898357.2U CN218414945U (en) | 2022-07-21 | 2022-07-21 | Special lithium cell group of driving in generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218414945U true CN218414945U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221898357.2U Active CN218414945U (en) | 2022-07-21 | 2022-07-21 | Special lithium cell group of driving in generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218414945U (en) |
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2022
- 2022-07-21 CN CN202221898357.2U patent/CN218414945U/en active Active
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