Battery pack with novel flame-retardant material

By introducing a protective device and installation mechanism into the battery pack, combined with CFTP type continuous glass fiber flame retardant material, the risk of fire in the battery pack during collision is solved, and a safe and lightweight battery pack design is achieved.

CN223206373UActive Publication Date: 2025-08-08SICHUAN HAISENJIE ENTERPRISE MANAGEMENT CO LTD +1
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Patent Information

Application Number
CN202421026547.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-08-08
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

The existing battery packs lack protection during collisions, which are prone to direct crashes and cause fire, resulting in loss of life and property.

Method used

The battery pack assembly is adopted that includes a protective device and a mounting mechanism. The protective device includes a rotating shaft, a guard plate, a telescopic rod and an elastic block. The mounting mechanism includes a rectangular plate, a convex plate and a threaded rod. It is made of CFTP type continuous glass fiber flame retardant material, which can buffer and fix the battery pack during collision.

Benefits of technology

Effectively protect the safety of battery packs during collisions, reduce fire risk through buffer structure, achieve lightweight and environmentally friendly production, and improve the convenience of installation and disassembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery pack with a novel flame-retardant material, which belongs to the technical field of battery packs, and comprises a battery pack assembly, the battery pack assembly comprises a battery pack and a mounting assembly, the battery pack is assembled in the mounting assembly, and can be shrunk and cushioned when the front side and the rear side are impacted through a telescopic rod, so that the battery pack can be prevented from being damaged, and the service life of the battery pack is prolonged. The protective plates on the two sides can rotate on the outer wall of the rotating shaft through the rotating shaft, expand outwards when being impacted, buffer through the elastic blocks on the side edges and buffer through the internal telescopic rods, so that the safety of the battery during impact can be effectively ensured, the elastic blocks are used for buffering when the side faces are impacted, and the service life of the battery is prolonged. The first protruding plate, the vertical plate and the second protruding plate are in contact with the upper end face of the bottom plate by placing the rectangular plate on the two sides of the upper end face of the battery, and the threaded rods at the two ends are screwed into the threaded holes to be fixed by rotating the hexagonal head, so that mounting and dismounting are more convenient and safer.
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Description

Technical Field

[0001] The utility model belongs to the technical field of battery packs, and specifically relates to a battery pack with a new flame retardant material. Background Art

[0002] The current automotive industry is undergoing significant changes, with electric vehicles gradually replacing traditional fuel-powered vehicles. my country's new energy vehicle industry is entering a period of rapid development. With the increasing popularity and adoption of electric vehicles, users are demanding increasingly higher range. The power battery system, as the energy storage and power output device for electric vehicles, is the source of power and the guarantee of their endurance. Its reliability and safety directly impact the performance of the entire vehicle. A battery pack consists of a base casing and several battery modules connected in series and parallel on the base casing. The battery modules are mounted on the mounting beams of the battery pack's base casing. Therefore, the structure of the mounting beams directly affects the safety of the battery pack.

[0003] The existing installation method leaves the battery pack unprotected in the event of a collision and can easily break, leading to dangers such as fire, resulting in loss of life and property. Utility Model Content

[0004] In response to the problem that the battery pack is not protected in the event of a collision with the existing installation method, it is easy to be directly broken, resulting in dangers such as fire, causing loss of life and property, the utility model provides a battery pack with a new flame retardant material, the battery pack includes a battery pack assembly, and the battery pack assembly includes a battery pack and an installation assembly. The use of these components can effectively solve the problem that the battery pack is not protected in the event of a collision with the existing installation method, it is easy to be directly broken, resulting in dangers such as fire, causing loss of life and property.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions.

[0006] A battery pack with a new flame retardant material includes a battery pack assembly, wherein the battery pack assembly includes a battery pack and an installation assembly, wherein the battery pack is arranged inside the installation assembly, and the installation assembly includes a protective device and an installation mechanism, wherein the installation mechanism is installed on the upper end surface of the battery pack, and the protective device is installed on the outer wall of the battery pack.

[0007] Preferably, the protective device includes a front-to-back symmetrical rotating shaft, and symmetrical guard plates are installed on the left and right sides of the rotating shaft on both sides, and blocks are installed on the opposite surfaces of the guard plates on both sides, and telescopic rods are installed on the opposite surfaces of the blocks on both sides. Elastic blocks are installed between the front and rear guard plates, and bolts pass through the guard plates and are threadedly connected to the elastic blocks. The elastic blocks on both sides can buffer the impact forces on the left and right sides.

[0008] Preferably, the mounting mechanism includes a rectangular plate, the interior of the rectangular plate is hollow, and symmetrical first convex plates are installed on the left and right sides of the rectangular plate, vertical plates are installed on both sides of the rectangular plate near the lower end of the first convex plates, and second convex plates are installed at the bottom of the vertical plates on both sides, and threaded rods are installed on the first and second convex plates, and the upper ends of the threaded rods on both sides are equipped with hexagonal heads, and the threaded rods at both ends are screwed into the inside of the threaded holes by rotating the hexagonal heads for fixation.

[0009] Preferably, the battery pack includes a base plate, the upper end surface of the base plate is equipped with a battery, the upper end surface of the battery is equipped with symmetrical electrodes near the front and rear sides, the upper end surface of the battery is equipped with a handle, and symmetrical threaded holes are provided on the left and right sides of the upper end surface of the base plate, and the outer wall of the battery pack can be protected by a protective device.

[0010] Preferably, the opposite surfaces of the telescopic rods on both sides are assembled on the front and rear side walls of the bottom plate, the rectangular plate is attached to the upper end surface of the battery, the second convex plates at the lower ends of both sides are aligned with the threaded holes, and the threaded rods are screwed into the inside of the threaded holes.

[0011] Beneficial effects

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) In the present invention, the telescopic rod can be used to contract and cushion the impact when the front and rear sides are hit. The protective plates on both sides can be rotated on the outer wall of the rotating shaft through the rotating shaft. When the battery is hit, they can be expanded outwards and cushioned by the elastic blocks on the sides and the internal telescopic rod. This can effectively ensure the safety of the battery during a collision. When the battery is hit from the side, the elastic blocks can be used to cushion the impact. The first convex plate, the vertical plate and the second convex plate placed on both sides of the upper end face of the battery through the rectangular plate are in contact with the upper end face of the bottom plate. The threaded rods at both ends are screwed into the inside of the threaded holes by rotating the hexagonal head to fix them, making installation and disassembly more convenient and safe.

[0014] (2) In the present invention, the CFTP type continuous glass fiber flame retardant material not only meets the flame retardant requirements in terms of function, but also can be formed together with the protective material, with a simple process, and can replace the flame retardant coating, reducing the pollution caused by the spraying process; at the same time, the new flame retardant structure is light in weight and high in structural strength, and can replace metal materials to achieve 30%-50% lightweight. The CFTP type continuous glass fiber flame retardant material is used to make automobile battery packs, which have good flame retardant performance, are environmentally friendly, and have a relatively simple process, which is conducive to on-site production, and is light in weight, which is conducive to reducing the weight of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a battery pack with a new flame retardant material in the present utility model;

[0016] Figure 2 This is a schematic diagram of the battery pack structure in the present utility model;

[0017] Figure 3 This is a schematic diagram of the assembly structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the protection device in the utility model;

[0019] Figure 5 It is a schematic diagram of the installation mechanism structure in the utility model.

[0020] The corresponding relationship between the labels and component names in the figures is as follows:

[0021] 1. Battery pack assembly;

[0022] 2. Battery pack; 21. Base plate; 22. Battery; 23. Electrode; 24. Handle; 25. Threaded hole;

[0023] 3. Installation assembly; 31. Protective device; 311. Rotating shaft; 312. Guard plate; 313. Stop block; 314. Telescopic rod;

[0024] 315. Elastic block; 316. Bolt; 32. Mounting mechanism; 321. Rectangular plate; 322. First protruding plate; 323. Vertical plate; 324. Second protruding plate; 325. Threaded rod; 326. Hexagonal head. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with specific examples.

[0026] Example 1

[0027] like Figure 1 As shown, it is a schematic diagram of the structure of a battery pack with a new flame retardant material in a preferred embodiment of the present invention. A battery pack with a new flame retardant material in this embodiment includes a battery pack assembly 1, and the battery pack assembly 1 includes a battery pack 2 and an installation assembly 3, and the battery pack 2 is assembled inside the installation assembly 3.

[0028] like Figure 2 As shown, it is a schematic diagram of the battery pack structure in the present invention, the battery pack 2 includes a base plate 21, the upper end surface of the base plate 21 is equipped with a battery 22, the upper end surface of the battery 22 is equipped with symmetrical electrodes 23 near the front and rear sides, the upper end surface of the battery 22 is equipped with a handle 24, and symmetrical threaded holes 25 are provided on the left and right sides of the upper end surface of the base plate 21; the upper end surface of the base plate 21 is used to place the battery 22, which is connected to the car through the electrodes 23, and can be easily lifted and placed through the handle 24.

[0029] like Figure 3As shown, it is a schematic diagram of the installation assembly structure in the present invention. The installation assembly 3 includes a protective device 31 and a mounting mechanism 32. The mounting mechanism 32 is assembled on the upper end surface of the battery pack 2, and the protective device 31 is assembled on the outer wall of the battery pack 2; the mounting mechanism 32 is used to fix the battery pack 2.

[0030] like Figure 4 As shown, it is a schematic diagram of the protective device structure in the present invention, the protective device 31 includes a front-to-back symmetrical rotating shaft 311, and the left and right sides of the rotating shaft 311 on both sides are equipped with symmetrical guard plates 312, and the opposite surfaces of the guard plates 312 on both sides are equipped with stop blocks 313, and the opposite surfaces of the stop blocks 313 on both sides are equipped with telescopic rods 314, and elastic blocks 315 are installed between the front and rear guard plates 312, and bolts 316 pass through the guard plates 312 and are threadedly connected to the elastic blocks 315; it is connected to the outer wall of the battery 22 through the telescopic rod 314, and the telescopic rod 314 can shrink and cushion the shock when the front and rear sides are hit, and the internal battery 22 is safer through the rotating shaft 311.

[0031] like Figure 5 As shown, it is a schematic diagram of the mounting mechanism structure in the present invention, the mounting mechanism 32 includes a rectangular plate 321, the interior of the rectangular plate 321 is hollow, and the left and right sides of the rectangular plate 321 are equipped with symmetrical first convex plates 322, and vertical plates 323 are equipped on both sides of the rectangular plate 321 near the lower end of the first convex plate 322, and the bottoms of the vertical plates 323 on both sides are equipped with second convex plates 324, and the first convex plates 322 and the second convex plates 324 are equipped with threaded rods 325, and the upper ends of the threaded rods 325 on both sides are equipped with hexagonal heads 326; the first convex plates 322, the vertical plates 323 and the second convex plates 324 on both sides of the upper end surface of the battery 22 are placed through the rectangular plate 321 to contact the upper end surface of the bottom plate 21.

[0032] The opposite surfaces of the telescopic rods 314 on both sides are assembled on the front and rear side walls of the base plate 21, the rectangular plate 321 is attached to the upper end surface of the battery 22, the second protruding plates 324 at the lower ends of both sides are aligned with the threaded holes 25, and the threaded rods 325 are screwed into the inside of the threaded holes 25.

[0033] The battery 22 is made of CFTP continuous glass fiber flame retardant material. Using CFTP continuous glass fiber flame retardant material to make automotive battery packs has good flame retardant performance, is environmentally friendly, has a relatively simple process, is conducive to on-site production, and is light in weight, which helps reduce the weight of the entire vehicle.

[0034] Working principle: The telescopic rod 314 can shrink and cushion the impact when the front and rear sides are hit, and the two side guard plates 312 can rotate on the outer wall of the rotating shaft 311 through the rotating shaft 311. When hit, they can be expanded outward and cushioned by the elastic blocks 315 on the side and the internal telescopic rod 314, which can effectively ensure the safety of the battery 22 during impact. When the side is hit, the elastic block 315 is used for cushioning. The first convex plate 322, the vertical plate 323 and the second convex plate 324 placed on both sides of the upper end surface of the battery 22 through the rectangular plate 321 are in contact with the upper end surface of the bottom plate 21. By rotating the hexagonal head 326, the threaded rods 325 at both ends are screwed into the inside of the threaded hole 25 for fixation, making installation and disassembly more convenient and safe.

[0035] Example 2

[0036] like Figure 1-5 As shown, it is a schematic diagram of the structure of a battery pack with a new flame retardant material according to another preferred embodiment of the present invention. A battery pack with a new flame retardant material in this embodiment, based on Example 1, uses a CFTP-type continuous glass fiber flame retardant material, which not only meets the flame retardant requirements in terms of function, but also can be molded together with protective materials, with a simple process, can replace the flame retardant coating, and reduce the pollution caused by the spraying process; at the same time, the new flame retardant structure is light in weight and high in structural strength, can replace metal materials, and achieve 30%-50% lightweighting. The CFTP-type continuous glass fiber flame retardant material is used to make an automobile battery pack 2, which has good flame retardant performance, is environmentally friendly, and has a relatively simple process, is conducive to on-site production, and is light in weight, which helps to reduce the weight of the entire vehicle.

[0037] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A battery pack with a novel flame retardant material, comprising a battery pack assembly (1), wherein the battery pack assembly (1) comprises a battery pack (2) and an installation assembly (3), wherein the battery pack (2) is assembled inside the installation assembly (3), Its characteristics are: The mounting assembly (3) includes a protective device (31) and a mounting mechanism (32), wherein the mounting mechanism (32) is mounted on the upper end surface of the battery pack (2), and the protective device (31) is mounted on the outer wall of the battery pack (2).

2. The battery pack with the novel flame retardant material according to claim 1, characterized in that: The protection device (31) includes a front-to-back symmetrical rotating shaft (311), and symmetrical guard plates (312) are installed on the left and right sides of the rotating shaft (311) on both sides, and opposite surfaces of the guard plates (312) on both sides are installed with stop blocks (313), and opposite surfaces of the stop blocks (313) on both sides are installed with telescopic rods (314), and an elastic block (315) is installed between the front and rear guard plates (312), and a bolt (316) passes through the guard plate (312) and is threadedly connected to the elastic block (315).

3. The battery pack with the novel flame retardant material according to claim 2, characterized in that: The mounting mechanism (32) comprises a rectangular plate (321), the interior of the rectangular plate (321) is hollow, and symmetrical first convex plates (322) are mounted on the left and right sides of the rectangular plate (321), vertical plates (323) are mounted on both sides of the rectangular plate (321) near the lower ends of the first convex plates (322), and second convex plates (324) are mounted at the bottoms of the vertical plates (323) on both sides, and threaded rods (325) are mounted on the first convex plate (322) and the second convex plate (324), and hexagonal heads (326) are mounted on the upper ends of the threaded rods (325) on both sides.

4. The battery pack with the novel flame retardant material according to claim 3, characterized in that: The battery pack (2) includes a bottom plate (21), the upper end surface of the bottom plate (21) is equipped with a battery (22), the upper end surface of the battery (22) is equipped with symmetrical electrodes (23) near the front and rear sides, the upper end surface of the battery (22) is equipped with a handle (24), and symmetrical threaded holes (25) are provided on the left and right sides of the upper end surface of the bottom plate (21).

5. The battery pack with the novel flame retardant material according to claim 4, characterized in that: The opposite surfaces of the telescopic rods (314) on both sides are assembled on the front and rear side walls of the bottom plate (21), the rectangular plate (321) is attached to the upper end surface of the battery (22), the second convex plates (324) at the lower ends of both sides are aligned with the threaded holes (25), and the threaded rods (325) are screwed into the inside of the threaded holes (25).