Shockproof lithium ion battery pack for vehicle

Abstract

The utility model relates to the technical field of lithium ion battery packs, in particular to a shockproof vehicle lithium ion battery pack which comprises a battery mounting seat, fin mounting seats are fixedly connected to the front side and the rear side of the battery mounting seat, and a plurality of battery bodies are connected to the interior of the battery mounting seat through mounting assemblies. A plurality of radiating fins are placed in the two groups of fin mounting seats; according to the battery pack, through the design of the fin mounting seat and the mounting assembly, the battery main body is placed in the battery mounting seat, the battery main body is limited through the mounting assembly, the heat dissipation fins are inserted into the battery mounting seat and extend to the position of the battery main body, and the heat dissipation effect on the battery main body is achieved through the heat dissipation fins; the fin mounting seat is used for limiting and buffering the radiating fins; compared with the existing shockproof lithium ion battery pack for the vehicle, the overall practicability of the shockproof lithium ion battery pack for the vehicle can be improved through the design of the shockproof lithium ion battery pack for the vehicle.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion battery packs, in particular to a shockproof lithium ion battery pack for vehicles. Background Art

[0002] Lithium secondary battery is a new type of chemical power source, mainly composed of positive electrode, battery separator, negative electrode, electrolyte and shell; when lithium-ion battery is working, lithium ions can be embedded and de-embedded between positive electrode active material and negative electrode active material.

[0003] Lithium secondary batteries have been rapidly applied and popularized in communication equipment, mobile electronic devices, power tools, electric toys and aviation models due to their advantages such as high operating voltage, high specific energy density, long cycle life, low self-discharge rate, no memory effect and low environmental pollution. In recent years, power lithium secondary batteries have gradually been used in large-scale energy storage facilities, electric bicycles, electric motorcycles and even electric vehicles.

[0004] Lithium batteries are easily damaged when subjected to external impacts, and the maintenance cost is high. In addition, the heat sink fins cannot be disassembled and assembled. When one set of heat sink fins is damaged, the entire protective plate needs to be replaced, which is easy to cause waste. Therefore, it is particularly important to design a new shockproof automotive lithium-ion battery pack to solve the above technical defects and improve the practicality of the overall shockproof automotive lithium-ion battery pack. Utility Model Content

[0005] The purpose of the utility model is to provide a shockproof lithium-ion battery pack for a vehicle. The battery pack can place a battery body inside the battery mounting seat through the design of a fin mounting seat and a mounting assembly, and the mounting assembly limits the battery body. When the heat dissipation fins are inserted into the interior of the battery mounting seat and extended to the position of the battery body, the heat dissipation fins are used to dissipate heat for the battery body, and the fin mounting seat limits and buffers the heat dissipation fins, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A shockproof vehicle lithium-ion battery pack comprises a battery mounting seat, wherein the front and rear sides of the battery mounting seat are fixedly connected with fin mounting seats, the interior of the battery mounting seat is connected with a plurality of battery bodies through a mounting assembly, and a plurality of heat dissipation fins are placed inside two groups of the fin mounting seats;

[0008] The mounting assembly is used to stably mount the battery body inside the battery mounting seat;

[0009] The fin mounting seat is used to limit and fix the heat dissipation fins.

[0010] As a preferred solution of the utility model, a plurality of heat dissipation holes are provided on the front and rear sides of the battery mounting seat and at positions corresponding to the fin mounting seat, and a plurality of limit plates are fixedly connected between the fin mounting seat and the battery mounting seat.

[0011] As a preferred solution of the utility model, several elastic arc pieces are fixedly connected to the inner sides of the several limit plates, and several limit frames are slidably connected inside the fin mounting seat and between the several elastic arc pieces.

[0012] As a preferred solution of the utility model, several of the limit frames are slidably connected to the fin mounting seat through sliding columns, several of the heat dissipating fins pass through the battery mounting seat and extend to the position of the battery body, the limit frame is designed in a U-shaped structure, and a buffer spring is provided on the outside of the sliding column and between the limit frame and the fin mounting seat.

[0013] As a preferred solution of the utility model, the mounting assembly includes two groups of mounting plates, bolts, positioning plates, ventilation holes and positioning columns, and the two groups of mounting plates are respectively fixedly connected to the left and right sides of the bottom of the battery mounting base.

[0014] As a preferred solution of the utility model, the bottom of the battery mount is connected to a positioning plate by two groups of bolts, ventilation holes are provided at the top of the battery mount at positions corresponding to several battery bodies, and two groups of positioning columns are slidably connected to the bottom of the battery mount above the two groups of mounting plates.

[0015] As a preferred solution of the utility model, the two groups of bolts are respectively threadedly connected to the inside of the two groups of mounting plates, the two groups of positioning columns both penetrate the battery mounting seat and extend to the outside of the battery mounting seat, the two groups of positioning columns are both designed as a central control structure, and positioning rings are threadedly connected to the outside of the two groups of positioning columns and on the left and right sides of the battery mounting seat.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] In the utility model, the battery body is placed inside the battery mounting seat through the design of the fin mounting seat and the mounting assembly, and the battery body is limited by the mounting assembly. When the heat dissipation fins are inserted into the interior of the battery mounting seat and extended to the position of the battery body, the heat dissipation fins are used to dissipate heat for the battery body, and the heat dissipation fins are limited and buffered by the fin mounting seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2This is a schematic diagram of the three-dimensional structure of the battery mounting seat of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the fin mounting seat of the utility model.

[0021] In the figure: 1. battery mounting seat; 2. fin mounting seat; 201. heat dissipation hole; 202. limit plate; 203. elastic arc piece; 204. limit frame; 205. sliding column; 3. installation assembly; 301. mounting plate; 302. bolt; 303. positioning plate; 304. ventilation hole; 305. positioning column; 4. battery body. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Example:

[0024] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0025] The shockproof lithium-ion battery pack for vehicle includes a battery mounting seat 1, the front and rear sides of the battery mounting seat 1 are fixedly connected with fin mounting seats 2, the interior of the battery mounting seat 1 is connected with a plurality of battery bodies 4 through a mounting assembly 3, and a plurality of heat dissipation fins are placed inside the two groups of fin mounting seats 2.

[0026] Specifically, first, two groups of fin mounting seats 2 are fixedly connected to the front and rear sides of the battery mounting seat 1 respectively, and then a number of battery bodies 4 are placed inside the battery mounting seat 1, and the battery bodies 4 are positioned by the mounting assembly 3, and the heat dissipation fins are installed inside the fin mounting seat 2. The heat dissipation fins are limited by the fin mounting seat 2, so that the heat dissipation fins are inserted into the battery mounting seat 1, and the battery bodies 4 are cooled.

[0027] Among them, see Figure 1 and Figure 3 , the front and rear sides of the battery mounting seat 1 are fixedly connected with the fin mounting seat 2;

[0028] The fin mounting seat 2 is used to limit and fix the heat dissipation fins. The specific structure of the fin mounting seat 2 is as follows:

[0029] A number of heat dissipation holes 201 are provided on the front and rear sides of the battery mounting seat 1 and at the positions corresponding to the fin mounting seat 2. A number of limit plates 202 are fixedly connected between the fin mounting seat 2 and the battery mounting seat 1. A number of elastic arc pieces 203 are fixedly connected to the inner sides of the limit plates 202. A number of limit frames 204 are slidably connected inside the fin mounting seat 2 and between the number of elastic arc pieces 203. The number of limit frames 204 are slidably connected to the fin mounting seat 2 through sliding columns 205. A number of heat dissipation fins pass through the battery mounting seat 1 and extend to the position of the battery body 4. The limit frame 204 is designed in a U-shaped structure. A buffer spring is sleeved on the outside of the sliding column 205 and between the limit frame 204 and the fin mounting seat 2.

[0030] Specifically, the fin mounting base 2 is used to limit the heat dissipating fins, and the heat dissipating fins are placed in the fin mounting base 2. The heat dissipating fins are limited by the limiting plates 202. At the same time, the heat dissipating fins are buffered by a number of elastic arc pieces 203. At the same time, the limiting frame 204 limits the sides of the heat dissipating fins, and the sliding column 205 and the buffer spring buffer the heat dissipating fins. The heat inside the battery mounting base 1 is conducted to the outside through the heat dissipation holes 201 and the heat dissipating fins to avoid heat accumulation in the battery mounting base 1.

[0031] Then, see Figure 1 and Figure 2 , a plurality of battery bodies 4 are connected to the interior of the battery mounting seat 1 through a mounting assembly 3;

[0032] The mounting assembly 3 is used to firmly mount the battery body 4 inside the battery mounting seat 1. The specific structure of the mounting assembly 3 is as follows:

[0033] The mounting assembly 3 includes two groups of mounting plates 301, bolts 302, positioning plates 303, ventilation holes 304 and positioning columns 305. The two groups of mounting plates 301 are fixedly connected to the left and right sides of the bottom of the battery mounting seat 1 respectively. The bottom of the battery mounting seat 1 is connected to the positioning plates 303 by two groups of bolts 302. Ventilation holes 304 are provided at the top of the battery mounting seat 1 and at positions corresponding to several battery bodies 4. Two groups of positioning columns 305 are slidably connected to the bottom of the battery mounting seat 1 and above the two groups of mounting plates 301. The two groups of bolts 302 are respectively threadedly connected to the inside of the two groups of mounting plates 301. The two groups of positioning columns 305 both penetrate the battery mounting seat 1 and extend to the outside of the battery mounting seat 1. The two groups of positioning columns 305 are both designed in a central control structure. The outsides of the two groups of positioning columns 305 and the left and right sides of the battery mounting seat 1 are threadedly connected with positioning rings.

[0034] Specifically, the battery body 4 is limited by the installation component 3, and several battery bodies 4 are installed inside the battery mounting base 1. Then, two groups of positioning columns 305 are inserted into the interior of the battery mounting base 1, and the battery body 4 is limited by the positioning columns 305. When the mounting plate 301 is placed at the bottom of the battery mounting base 1, the mounting plate 301 is fixed to the bottom of the battery mounting base 1 by bolts 302. When in use, the ventilation holes 304 are used for ventilation and heat dissipation.

[0035] In this embodiment, the implementation scenario is specifically as follows: in actual use, first, two groups of fin mounting seats 2 are fixedly connected to the front and rear sides of the battery mounting seat 1 respectively, and then a number of battery bodies 4 are placed inside the battery mounting seat 1, and the battery bodies 4 are positioned by the mounting assembly 3, and the heat dissipation fins are installed inside the fin mounting seat 2, and the heat dissipation fins are limited by the fin mounting seat 2, so that the heat dissipation fins are inserted into the battery mounting seat 1, and the battery bodies 4 are cooled. Compared with the existing shockproof vehicle lithium-ion battery packs, the utility model can improve the overall practicality of the shockproof vehicle lithium-ion battery packs through design.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shockproof lithium-ion battery pack for a vehicle, comprising a battery mounting seat (1), characterized in that: The front and rear sides of the battery mounting seat (1) are both fixedly connected to fin mounting seats (2); the interior of the battery mounting seat (1) is connected to a plurality of battery bodies (4) via a mounting assembly (3); and a plurality of heat dissipation fins are placed inside the two groups of fin mounting seats (2); The mounting assembly (3) is used to stably mount the battery body (4) inside the battery mounting seat (1); The fin mounting seat (2) is used to limit and fix the heat dissipation fins.

2. The shockproof lithium-ion battery pack for a vehicle according to claim 1, characterized in that: A plurality of heat dissipation holes (201) are provided on both the front and rear sides of the battery mounting seat (1) and at positions corresponding to the fin mounting seat (2), and a plurality of limiting plates (202) are fixedly connected between the fin mounting seat (2) and the battery mounting seat (1).

3. The shockproof lithium-ion battery pack for a vehicle according to claim 2, characterized in that: Several elastic arc pieces (203) are fixedly connected to the inner sides of the plurality of limit plates (202), and several limit frames (204) are slidably connected inside the fin mounting seat (2) and between the plurality of elastic arc pieces (203).

4. The shockproof vehicle lithium-ion battery pack according to claim 3, characterized in that: A plurality of the limit frames (204) are slidably connected to the fin mounting seat (2) via a sliding column (205); a plurality of the heat dissipation fins penetrate the battery mounting seat (1) and extend to the position of the battery body (4); the limit frame (204) is designed in a U-shaped structure; a buffer spring is sleeved on the outside of the sliding column (205) and between the limit frame (204) and the fin mounting seat (2).

5. The shockproof vehicle lithium-ion battery pack according to claim 1, characterized in that: The mounting assembly (3) comprises two groups of mounting plates (301), bolts (302), positioning plates (303), ventilation holes (304) and positioning columns (305), and the two groups of mounting plates (301) are respectively fixedly connected to the left and right sides of the bottom of the battery mounting seat (1).

6. The shockproof lithium-ion battery pack for a vehicle according to claim 5, characterized in that: The bottom of the battery mounting seat (1) is connected to a positioning plate (303) via two groups of bolts (302); a ventilation hole (304) is provided at the top of the battery mounting seat (1) and at positions corresponding to a plurality of battery bodies (4); and two groups of positioning columns (305) are slidably connected to the bottom of the battery mounting seat (1) and located above the two groups of mounting plates (301).

7. The shockproof lithium-ion battery pack for a vehicle according to claim 6, characterized in that: The two groups of bolts (302) are respectively threadedly connected to the inside of the two groups of mounting plates (301); the two groups of positioning columns (305) penetrate the battery mounting seat (1) and extend to the outside of the battery mounting seat (1); the two groups of positioning columns (305) are designed as a central control structure; and positioning rings are threadedly connected to the outside of the two groups of positioning columns (305) and on the left and right sides of the battery mounting seat (1).

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