Special 8P Besturn super HIBAR universal lithium battery pack for electric vehicle

Abstract

The utility model discloses a special 8P Besturn super HIBAR universal lithium battery pack for an electric vehicle, which comprises an aluminum barrel, a Besturn shell upper cover is mounted at the front end of the aluminum barrel, a lock is mounted below the Besturn shell upper cover, a lock sleeve is mounted on the left side of the lock, a new national standard delta-shaped head discharge socket is mounted at the front end of the Besturn shell upper cover, and the new national standard delta-shaped head discharge socket is mounted at the rear end of the Besturn shell upper cover. The right side of the Besturn shell upper cover is provided with a new national standard fast charging head socket. According to the 8P Besturn super HIBAR universal lithium battery pack special for the electric vehicle, internal circuits of the lithium battery pack are simplified, so that potential safety hazards of the lithium battery pack are remarkably reduced, and the size of the lithium battery pack is small; internal circuits of the lithium battery pack adopt an automatic welding process, so that the production cost is reduced; the same battery shell can be respectively adapted to various battery packs with different capacities; a special waterproof shell is designed for the lithium battery pack, so that a good waterproof effect is achieved; and a special external battery shell is designed for the lithium battery pack, the internal space utilization rate is high, and the structure is compact and stable.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery PACK, in particular to an 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles. Background Technique

[0002] With the development of economy and technology, the country has higher requirements for environmental protection; as a new type of clean energy, lithium batteries have gradually been recognized by the market; currently, the internal circuits of existing lithium battery packs are complex and have great potential safety hazards; under the same specifications, for lithium battery packs with smaller sizes, due to the reduction of internal space, there are great safety risks; for lithium battery packs with larger sizes, although safety is taken into account, they do not fully meet the market demand. For this reason, we propose an 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles. Content of the Utility Model

[0003] The purpose of the utility model is to provide an 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles to solve the problems of complex internal circuits and great potential safety hazards in the existing lithium battery packs as mentioned in the above background technique; under the same specifications, for lithium battery packs with smaller sizes, due to the reduction of internal space, there are great safety risks; for lithium battery packs with larger sizes, although safety is taken into account, they do not fully meet the market demand.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: an 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles, including an aluminum barrel, a Pentium shell upper cover is installed at the front end of the aluminum barrel, a lock is installed below the Pentium shell upper cover, a lock sleeve is installed on the left side of the lock, a new national standard pin-type discharge socket is installed at the front end of the Pentium shell upper cover, a new national standard fast charging head socket is installed on the right side of the Pentium shell upper cover, a Pentium shell bottom cover is installed at the rear end of the aluminum barrel, and the Pentium shell bottom cover is threadedly connected to the bottom of the aluminum barrel. A waterproof shell is installed inside the aluminum barrel; the waterproof shell is adhesively connected to the Pentium shell bottom cover, a battery pack is installed inside the waterproof shell, and a battery shell slideway is installed below the aluminum barrel.

[0005] Preferably, the waterproof shell is adhesively connected to the Pentium shell bottom cover, and the Pentium shell bottom cover is threadedly connected to the bottom of the aluminum barrel.

[0006] Preferably, the battery shell slideway is detachably connected to the aluminum barrel through the lock and the lock sleeve, and the Pentium shell upper cover is threadedly connected to the aluminum barrel.

[0007] Preferably, the shape and size of the waterproof shell are smaller than the shape and size inside the aluminum barrel, and various waterproof shells with different size specifications can be installed inside the aluminum barrel.

[0008] Preferably, the battery pack further includes an integrated bracket, a protection board wiring board, a formed nickel sheet, and battery cells. Formed nickel sheets are installed on both sides of the battery cells. The integrated bracket is installed on the side of the formed nickel sheet away from the battery cells. The protection board wiring board is installed above the battery cells.

[0009] Preferably, the integrated bracket is made of special flame-retardant V0 grade material. The protection board wiring board adopts a common-port protection board, and the integrated bracket is riveted to the protection board wiring board.

[0010] Preferably, the formed nickel sheet is a thickened nickel-plated steel strip, and the thickness of the formed nickel sheet is 0.15 mm. The formed nickel sheet is provided with its own tab, and the tab of the formed nickel sheet is welded to the protection board wiring board.

[0011] Preferably, all the battery cells are 21700 automotive-grade 8P battery cells with a cycle life of more than 1000 times.

[0012] Compared with the prior art, the present utility model provides a special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles, having the following beneficial effects: the special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles simplifies the internal circuit of the lithium battery pack, significantly reduces the safety hazards of the lithium battery pack, and makes its size smaller; the internal circuit of the lithium battery pack adopts an automated welding process, reducing the production cost; the same battery case can be respectively adapted to multiple battery packs with different capacities; and a special waterproof case is designed for the lithium battery pack, having a good waterproof effect; and a special external battery case is designed for the lithium battery pack, with high internal space utilization rate and compact and stable structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is an exploded schematic diagram of the present utility model;

[0015] Figure 3 is a three-dimensional schematic diagram of the battery pack of the present utility model.

[0016] In the figure: 1. New national standard pin-type discharge socket; 2. Pentium shell upper cover; 3. Waterproof case; 4. Integrated bracket; 5. Protection board wiring board; 6. Pentium shell lower bottom cover; 7. Formed nickel sheet; 8. Aluminum bucket; 9. Lock; 10. Lock sleeve; 11. Battery case slideway; 12. New national standard fast charging head socket; 13. Battery pack; 14. Battery cell. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0018] Please refer to Figures 1-3 , a special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles, including an aluminum barrel 8, a Pentium shell upper cover 2 is installed at the front end of the aluminum barrel 8; the Pentium shell upper cover 2 is threadedly connected to the aluminum barrel 8, a lock 9 is installed below the Pentium shell upper cover 2, a lock sleeve 10 is installed on the left side of the lock 9, a new national standard pin-shaped discharge socket 1 is installed at the front end of the Pentium shell upper cover 2, a new national standard fast charging head socket 12 is installed on the right side of the Pentium shell upper cover 2, a Pentium shell bottom cover 6 is installed at the rear end of the aluminum barrel 8, and a waterproof shell 3 is installed inside the aluminum barrel 8; the shape and size of the waterproof shell 3 are smaller than the shape and size inside the aluminum barrel 8, and various waterproof shells 3 with different size specifications can be installed inside the aluminum barrel 8, and the waterproof shell 3 can play a good waterproof effect. A battery pack 13 is installed inside the waterproof shell 3, and a battery shell slideway 11 is installed below the aluminum barrel 8; the battery shell slideway 11 is detachably connected to the aluminum barrel 8 through the lock 9 and the lock sleeve 10; the battery pack 13 further includes an integral bracket 4, a protection board wiring board 5, a formed nickel sheet 7 and a battery cell 14, and formed nickel sheets 7 are installed on both sides of the battery cell 14; all the battery cells 14 are 21700 automotive-grade 8P battery cells, the cycle life is greater than 1000, and the 8P battery cells are formed by paralleling 8 battery cells, which can greatly increase the battery cell current; the formed nickel sheet 7 is a thickened nickel-plated steel strip, and the thickness of the formed nickel sheet 7 is 0.15 mm, and the formed nickel sheet 7 has its own tab and can be directly spot welded without tin plating. An integral bracket 4 is installed on the side of the formed nickel sheet 7 away from the battery cell 14, and a protection board wiring board 5 is installed above the battery cell 14; the integral bracket 4 is made of special flame-retardant V0 grade, and the protection board wiring board 5 adopts a common-port protection board, replacing the conventional wiring. No wiring is required, and automated welding can be achieved. The solder joints are safe and reliable, and can be directly spot welded with the nickel sheet. The integral bracket 4 and the protection board wiring board 5 are riveted, and at the same time, the tab of the formed nickel sheet 7 is welded to the protection board wiring board 5; the riveting method ensures that the formed nickel sheet 7 will not break due to strong vibration after the battery is welded; by simplifying the internal circuit of the lithium battery pack, the safety hazard of the lithium battery pack is significantly reduced, and its size is smaller; the internal circuit of the lithium battery pack adopts an automated welding process, reducing the production cost; the same battery shell can be respectively adapted to battery packs with multiple different capacities; and a special waterproof shell 3 is designed for the lithium battery pack, which has a good waterproof effect; and a special external battery shell is designed for the lithium battery pack, with high internal space utilization rate and compact and stable structure.

[0019] Working principle: When assembling the 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles, first install the integrated bracket 4 on both sides of the battery cell 14 and fasten it tightly with fiber tape. The inner hole of the integrated bracket 4 has a chamfer to facilitate the insertion of the battery cell. The formed nickel sheet 7 is located between the integrated bracket 4 and the battery cell 14, and then the formed nickel sheet 7 is clamped and fixed on both sides of the battery cell 14. Then, place the protection board wiring board 5 above the battery cell 14. The integrated bracket 4 is provided with a card slot for installing the protection board wiring board 5. Insert plastic expansion rivets into the positioning holes of the integrated bracket 4 and the protection board wiring board 5 for fixation, and fixedly connect the integrated bracket 4 and the protection board wiring board 5 through rivets. Secondly, after aligning and assembling the accessories such as the new national standard pin-type discharge socket 1, lock 9, lock sleeve 10, and new national standard fast charging head socket 12 with rubber rings, connect the new national standard pin-type discharge socket 1 and the new national standard fast charging head socket 12 to the battery pack 13 with wires. Thirdly, install the assembled battery pack 13 inside the waterproof shell 3, apply glue to the seam on the upper edge of the waterproof shell 3 and then cover the upper cover, and fasten it tightly with fiber tape. Then, place the battery pack 13 inside the aluminum barrel 8, apply glue to the 1mm cotton pasted on the bottom of the lower bottom cover 6 of the Pentium shell, place it at the bottom of the aluminum barrel 8 and then lock the screws. After that, install the upper cover 2 of the Pentium shell to the front end of the aluminum barrel 8 with bolts. Finally, install the battery shell slideway 11 under the aluminum barrel 8 through the lock 9 and the lock sleeve 10, and then the battery shell slideway 11 can be fixed on the vehicle with screws. This is the working principle of the 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles.

[0020] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles, characterized in that, Including: An aluminum bucket (8), with a Pentium shell upper cover (2) installed at the front end of the aluminum bucket (8), a lock (9) installed below the Pentium shell upper cover (2), a lock sleeve (10) installed on the left side of the lock (9), a new national standard pin-shaped discharge socket (1) installed at the front end of the Pentium shell upper cover (2), a new national standard fast charging head socket (12) installed on the right side of the Pentium shell upper cover (2), a Pentium shell bottom cover (6) installed at the rear end of the aluminum bucket (8), a waterproof shell (3) installed inside the aluminum bucket (8), a battery pack (13) installed inside the waterproof shell (3), and a battery shell slideway (11) installed below the aluminum bucket (8).

2. The special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles according to claim 1, characterized in that, The waterproof shell (3) is adhesively connected to the Pentium shell bottom cover (6), and the Pentium shell bottom cover (6) is threadedly connected to the bottom of the aluminum bucket (8).

3. The special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles according to claim 1, characterized in that, The battery shell slideway (11) is detachably connected to the aluminum bucket (8) through the lock (9) and the lock sleeve (10), and the Pentium shell upper cover (2) is threadedly connected to the aluminum bucket (8).

4. The lithium battery pack of the 8P Pentium Super Sea King general-purpose model dedicated for electric vehicles according to claim 1, wherein The shape and size of the waterproof shell (3) are smaller than the shape and size inside the aluminum bucket (8), and various waterproof shells (3) with different size specifications can be installed inside the aluminum bucket (8).

5. A special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles according to claim 1, characterized in that, The battery pack (13) further includes an integrated bracket (4), a protection board wiring board (5), a formed nickel sheet (7), and a battery cell (14). The formed nickel sheets (7) are installed on both sides of the battery cell (14). The integrated bracket (4) is installed on the side of the formed nickel sheet (7) away from the battery cell (14), and the protection board wiring board (5) is installed above the battery cell (14).

6. The lithium battery pack of the 8P Pentium Super Sea King general model dedicated for electric vehicles according to claim 5, characterized in that, The integrated bracket (4) is made of special flame-retardant V0 grade. The protection board wiring board (5) adopts a common-port protection board, and the integrated bracket (4) is riveted to the protection board wiring board (5).

7. The special 8P Pentium Super Sea King general-purpose lithium battery pack for electric vehicles according to claim 5, characterized in that, The formed nickel sheet (7) is made of thickened nickel-plated steel strip. The thickness of the formed nickel sheet (7) is 0.15 mm. The formed nickel sheet (7) has its own ear, and the ear of the formed nickel sheet (7) is welded to the protection board wiring board (5).

8. The lithium battery pack of the 8P Pentium Super Sea King general-purpose model dedicated for electric vehicles according to claim 5, characterized in that, All the battery cells (14) adopt 21700 automotive-grade 8P battery cells, and the number of charge-discharge cycles is greater than 1000.

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