CN217823050U

CN217823050U - Special lithium cell group of electric motor car

Info

Publication number: CN217823050U
Application number: CN202221886851.7U
Authority: CN
Inventors: 褚百清; 褚学军; 隋斌
Original assignee: Liaoning Xinchi Lithium Technology Co ltd
Current assignee: Liaoning Xinchi Lithium Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-15
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a special lithium battery pack for an electric vehicle, which comprises a lithium battery component, a waterproof shell, a battery shell component, a charging socket, a discharging socket and a battery shell slide way, wherein the lithium battery component is arranged at the inner end part of the waterproof shell; according to the lithium battery pack, the waterproof shell is additionally arranged outside the lithium battery pack, the waterproof effect can be effectively achieved, the battery shell assembly is additionally arranged at the outer end part of the waterproof shell, the utilization rate of the inner space is greatly improved, and the lithium battery pack is compact in structure and high in stability; meanwhile, the flat cable board is used for replacing a conventional flat cable, automatic welding can be achieved, welding spots are safe and reliable, production cost is reduced, internal circuits of the lithium battery pack are simplified, potential safety hazards of the lithium battery pack are obviously reduced, the size of the flat cable board is smaller than that of the lithium battery pack with the same specification, and the flat cable board can be better suitable for being used in an electric vehicle.

Description

Special lithium cell group of electric motor car

Technical Field

The utility model relates to a lithium cell technical field, concretely relates to special lithium cell group of electric motor car.

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 larger size, although considering safety, is not enough to meet the market demand.

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 electric motor car to solve the current problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery pack special for an electric vehicle comprises a lithium battery component, a waterproof shell, a battery shell component, a charging socket, a discharging socket and a battery shell slideway, wherein the lithium battery component is arranged at the inner end part of the waterproof shell;

the lithium battery pack comprises an electric core, supports, nickel sheets, a protection plate and a wiring board, wherein the electric core is installed between the two sets of supports, the supports are provided with the nickel sheets, the nickel sheets are connected with the positive and negative electrodes of the electric core, the supports are further provided with grooves, and the protection plate and the wiring board are connected with the supports through the grooves.

Preferably, the waterproof case comprises waterproof casing and waterproof case upper cover, the cuboid structure of cavity is established for establishing to the waterproof casing, lithium battery pack installs in the waterproof casing.

Preferably, the battery case assembly comprises a battery case aluminum barrel, a battery case lower bottom and a battery case upper cover, the battery case lower bottom is mounted at the lower end of the battery case aluminum barrel, the battery case upper cover is mounted at the upper end of the battery case aluminum barrel, and the charging socket and the discharging socket are respectively mounted on the battery case upper cover.

Preferably, a clamping groove is formed in the side end portions of the battery case aluminum barrel and the battery case upper cover, and the battery case slide way is connected with the battery case aluminum barrel and the battery case upper cover through the clamping groove.

Preferably, the battery case upper cover is further provided with a lock, and a rubber ring is further arranged between the lock and the battery case upper cover.

Compared with the prior art, the beneficial effects of the utility model are that: according to the lithium battery pack, the waterproof shell is additionally arranged outside the lithium battery pack, the waterproof effect can be effectively achieved, the battery shell assembly is additionally arranged at the outer end part of the waterproof shell, the utilization rate of the inner space is greatly improved, and the lithium battery pack is compact in structure and high in stability; select for use the winding displacement board to replace conventional winding displacement simultaneously, can realize automatic welding, the solder joint safe and reliable has reduced manufacturing cost to simplify lithium cell group inner line, showing the potential safety hazard of reduction 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 electric motor car.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic structural diagram of a lithium battery pack according to the present invention;

fig. 3 is a schematic structural diagram of a battery case assembly according to the present invention;

fig. 4 is a schematic structural view of the waterproof case 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 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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model discloses a special lithium cell group of electric motor car, including lithium battery component 1, waterproof case 2, battery case subassembly 3, charging socket 4, discharging socket 5 and battery case slide 6, lithium battery component 1 installs the tip in waterproof case 2, battery case subassembly 3 installs the tip in waterproof case 2, the tip in battery case subassembly 3 installs charging socket 4 and discharging socket 5;

the lithium battery pack 1 comprises a battery cell 11, supports 12, nickel sheets 13, a protection plate 14 and a wiring board 15, wherein the battery cell 11 is installed between the two sets of supports 12, the supports 12 are provided with the nickel sheets 13, the nickel sheets 13 are connected with the positive and negative electrodes of the battery cell 11, the supports 12 are further provided with grooves, and the protection plate 14 and the wiring board 15 are connected with the supports 12 through the grooves. Support 12's in this application material is the fire-retardant V0 level of ABS, and support 12 hole has the chamfer, makes things convenient for electric core 11 to insert. The protection shield adopts with mouthful protection shield, and is safe more reliable, and nickel piece 13 adopts thickening nickel plating steel band, and nickel strap thickness is 0.15 millimeter, and nickel piece 13 takes supporting utmost point ear, and utmost point ear can directly weld on protection shield 14 and winding displacement board 15.

Waterproof case 2 comprises waterproof case 21 and waterproof case upper cover 22, the cuboid structure of cavity is established for interior to waterproof case 21, waterproof case upper cover 22 installs the 21 side tip of waterproof case, lithium battery pack 1 installs in waterproof case 21.

The battery case assembly 3 is composed of a battery case aluminum barrel 31, a battery case lower bottom 32 and a battery case upper cover 33, wherein the battery case lower bottom 32 is installed at the lower end part of the battery case aluminum barrel 31, the battery case upper cover 33 is installed at the upper end part of the battery case aluminum barrel 31, and the charging socket 4 and the discharging socket 5 are respectively installed on the battery case upper cover 33.

A clamping groove is formed in the side end parts of the battery case aluminum barrel 31 and the battery case upper cover 33, and the battery case slideway 6 is connected with the battery case aluminum barrel 31 and the battery case upper cover 33 through the clamping groove.

The battery case upper cover 33 is further provided with a lock 34, and a rubber ring 35 is further arranged between the lock 34 and the battery case upper cover 33.

During the use, insert electric core 11 in 12 holes of support, protection shield 14 and winding displacement board 15 are installed on 12 recesses of support, twist protection shield screw 16 into the locating hole of protection shield 14 with support 12 and lock fixedly, and nickel piece 13 welds on electric core 11, protection shield 14 and winding displacement board 15. After the battery is finished, the battery is placed into the waterproof case body 21, after glue is applied to the seam on the upper edge of the waterproof case upper cover 21, the waterproof case upper cover 22 is covered on the waterproof case body 2, and the battery is placed upside down and wound tightly by using an adhesive tape. The battery pack is placed in a battery case aluminum barrel 31, 1mm cotton glue is adhered to the lower bottom of the battery case, the battery pack is placed at the bottom of the battery case aluminum barrel 31 and then locked by screws 36, and after the charging socket 4, the charging socket screws 41, the discharging socket 5, the discharging socket screws 51, the lock 34, the locking rubber ring 35 and the locking screws 36 on the upper cover 33 of the battery case are aligned with holes and assembled, the battery pack is connected with the battery pack in the battery case aluminum barrel 31 and placed at the upper part of the battery case aluminum barrel 31 and then locked by the screws 36. The battery enclosure chute 6 is finally inserted into the battery enclosure upper cover 33 and the battery enclosure aluminum can 31.

According to the lithium battery pack waterproof structure, the waterproof shell 2 is additionally arranged outside the lithium battery pack, the waterproof effect can be effectively achieved, the battery shell assembly 3 is additionally arranged at the outer end part of the waterproof shell 2, the utilization rate of an inner space is greatly improved, and the lithium battery pack waterproof structure is compact in structure and high in stability; select for use winding displacement board 15 to replace conventional winding displacement simultaneously, can realize automatic welding, the solder joint safe and reliable has reduced manufacturing cost to simplify lithium cell group inner line, showing the potential safety hazard of reduction 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 electric motor car.

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

1. The utility model provides a special lithium cell group of electric motor car which characterized in that: the lithium battery charging system comprises a lithium battery component (1), a waterproof shell (2), a battery shell component (3), a charging socket (4), a discharging socket (5) and a battery shell slideway (6), wherein the lithium battery component (1) is installed at the inner end part of the waterproof shell (2), the battery shell component (3) is installed at the outer end part of the waterproof shell (2), and the charging socket (4) and the discharging socket (5) are installed at the outer end part of the battery shell component (3);

lithium battery pack (1) includes electric core (11), support (12), nickel piece (13), protection shield (14) and winding displacement board (15), install between two sets of supports (12) electric core (11), be provided with nickel piece (13) on support (12), and nickel piece (13) are connected with the positive negative pole of electric core (11), still be provided with the recess on support (12), protection shield (14) and winding displacement board (15) are connected with support (12) through the recess.

2. The lithium battery pack special for the electric vehicle as claimed in claim 1, wherein: waterproof cover (2) comprise waterproof casing (21) and waterproof cover (22), waterproof casing (21) are the cuboid structure of establishing the cavity in for, lithium battery pack (1) is installed in waterproof casing (21).

3. The lithium battery pack special for the electric vehicle according to claim 1, wherein: the battery case assembly (3) is composed of a battery case aluminum barrel (31), a battery case lower bottom (32) and a battery case upper cover (33), the battery case lower bottom (32) is installed at the lower end part of the battery case aluminum barrel (31), the battery case upper cover (33) is installed at the upper end part of the battery case aluminum barrel (31), and the charging socket (4) and the discharging socket (5) are respectively installed on the battery case upper cover (33).

4. The lithium battery pack special for the electric vehicle as claimed in claim 3, wherein: a clamping groove is formed in the side end portions of the battery case aluminum barrel (31) and the battery case upper cover (33), and the battery case slide rail (6) is connected with the battery case aluminum barrel (31) and the battery case upper cover (33) through the clamping groove.

5. The lithium battery pack special for the electric vehicle as claimed in claim 3, wherein: the battery case upper cover (33) is further provided with a lock (34), and a rubber ring (35) is further arranged between the lock (34) and the battery case upper cover (33).