CN215578672U

CN215578672U - Lithium battery with buffering anticollision function

Info

Publication number: CN215578672U
Application number: CN202122262606.0U
Authority: CN
Inventors: 何晓辉
Original assignee: Jiangxi Shenchao Energy Technology Co ltd
Current assignee: Jiangxi Shenchao Energy Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-01-18
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a lithium battery with a buffering and anti-collision function, which comprises a battery main body, a damping component and a protection component, wherein the anti-collision component for preventing collision of the battery is arranged outside the battery main body, the damping component for damping the battery is arranged on the bottom surface of the battery main body, a heat dissipation component for dissipating heat of the battery is arranged outside the battery main body, and the protection component for retarding flame of the battery is arranged inside the battery main body. This lithium cell with buffering anticollision function is through setting up the anticollision board in the outside of battery box, can receive the striking at the lithium cell when, the anticollision board can block the object of striking, the anticollision board can promote the first spring in the spacing section of thick bamboo of spacing post extrusion simultaneously, the second spring also can cushion the shock attenuation to the anticollision board under the spacing of spacing post in addition, and still through setting up the offset plate in the outside of anticollision board, be convenient for through multiple buffer structure, improve the crashworthiness of lithium cell, the life of extension lithium cell.

Description

Lithium battery with buffering anticollision function

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with a buffering and anti-collision function.

Background

Lithium batteries are batteries which use a nonaqueous electrolyte solution and use lithium metal or lithium alloy as a positive/negative electrode material, and the lithium metal has very high requirements on the environment due to very active chemical characteristics, so that the lithium batteries have become the mainstream along with the development of scientific technology, and can be roughly divided into two types: the lithium ion battery does not contain metallic lithium, can be charged, and has better safety, specific capacity, self-discharge rate and cost performance than the lithium ion battery.

When the lithium battery on the market is used, because the outside of the lithium battery does not have a protection structure, the problem that the lithium battery is damaged due to impact exists, and therefore, the lithium battery with the buffering and anti-collision function is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lithium battery with buffering and anti-collision functions, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a lithium battery with buffering and anti-collision functions comprises a battery main body, a damping component and a protection component, wherein the outer part of the battery main body is provided with an anti-collision component for preventing collision of the battery, the damping component for damping the vibration of the battery is arranged on the bottom surface of the battery main body, the outer side of the battery main body is provided with a heat dissipation component for dissipating heat of the battery, the protection component for preventing the flame of the battery is arranged in the battery main body, the battery main body comprises a battery box body, a port, a handle and a base, the port is arranged in the center of the top end of the battery box body, the handle is connected above the top surface of the battery box body, the base is arranged below the battery box body, the anti-collision component comprises a limiting cylinder, a first spring, a limiting column, a second spring, an anti-collision plate and a rubber plate, the first spring is arranged in the limiting cylinder, and the right end of the first spring is connected with the limiting column, the second spring is sleeved on the outer side of the limiting column, the right end of the limiting column is connected with an anti-collision plate, and a rubber plate is arranged on the right side of the anti-collision plate.

Preferably, the limiting column is connected with the limiting cylinder in a sliding mode, and the right side of the limiting cylinder is attached to the left side of the second spring.

Preferably, damper includes guide bar, sliding sleeve, third spring and connecting rod, the sliding sleeve has been cup jointed in the central authorities outside of guide bar, and the left and right sides of sliding sleeve is provided with the third spring, the bottom of sliding sleeve is rotated and is connected with the connecting rod.

Preferably, the two connecting rods are symmetrically arranged at the center of the battery box body, and the connecting rods are rotatably connected with the base.

Preferably, the heat dissipation assembly comprises a heat conduction plate, heat dissipation fins and heat dissipation holes, wherein the heat dissipation fins are arranged on the outer side of the heat conduction plate, and the heat dissipation holes are formed in the inner portion of the right side of the anti-collision plate.

Preferably, the width direction of the heat dissipation fins is perpendicular to the right side of the heat conduction plate, and the heat dissipation fins are equidistantly distributed with respect to the right side of the heat conduction plate.

Preferably, the protection component comprises a cavity, a flame retardant, an explosion-proof membrane and a wear-resistant layer, the flame retardant is arranged in the cavity, the explosion-proof membrane is arranged outside the battery box body, and the wear-resistant layer is arranged on the outer side of the explosion-proof membrane.

The utility model provides a lithium battery with a buffering and anti-collision function, which has the following beneficial effects: this lithium cell with buffering anticollision function adopts mutually supporting between a plurality of subassemblies, not only has protective structure, can make the lithium cell have the ability of buffering anticollision, prolongs the life of lithium cell, also has shock-absorbing function simultaneously, but also can strengthen the heat dispersion of lithium cell to can also make the lithium cell have fire-retardant explosion-proof function.

1. According to the utility model, the anti-collision plate is arranged outside the battery box body, so that when the lithium battery is impacted, the anti-collision plate can block the impacted object, meanwhile, the anti-collision plate can push the limiting column to extrude the first spring in the limiting cylinder, the second spring can also buffer and absorb shock for the anti-collision plate under the limiting action of the limiting column, and the rubber plate is arranged at the outer side of the anti-collision plate, so that the anti-collision capability of the lithium battery is improved and the service life of the lithium battery is prolonged through a multiple buffer structure;

2. according to the utility model, the shock absorption assembly is arranged at the bottom end of the battery box body, when the lithium battery is placed and transported, the shock generated by the base can drive the connecting rod to rotate, at the moment, the third spring can push and pull the sliding sleeve under the limit of the guide rod, so that the shock generated by the base is buffered, the shock absorption performance of the lithium battery is improved through a double-buffer structure, the lithium battery is prevented from being damaged due to shock, meanwhile, the heat dissipation assembly is arranged on the outer side of the battery box body, so that the heat generated during the operation of the battery can be conducted to the heat conduction plate, the heat dissipation efficiency of the heat conduction plate is improved through the heat dissipation fins, and the heat dissipation holes are arranged in the anti-collision plate, so that the anti-collision plate can be prevented from influencing the air flow rate on the surfaces of the heat dissipation fins, and the heat dissipation performance of the battery main body is improved;

3. according to the utility model, the cavity is arranged inside the outer side of the battery box body, when the lithium battery spontaneously ignites in an unexpected situation, the battery box body is broken due to combustion, so that the flame retardant in the cavity can be leaked out to retard the flame of the battery, and the flame retardant performance of the battery is improved.

Drawings

FIG. 1 is a schematic view of an overall structure of a lithium battery with a buffering and anti-collision function according to the present invention;

FIG. 2 is an enlarged schematic view of a portion A of a lithium battery with a buffering and anti-collision function in FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of an internal structure of a battery box of a lithium battery with a buffering and anti-collision function according to the present invention.

In the figure: 1. a battery main body; 101. a battery case; 102. a port; 103. a handle; 104. a base; 2. an anti-collision assembly; 201. a limiting cylinder; 202. a first spring; 203. a limiting column; 204. a second spring; 205. an anti-collision plate; 206. a rubber plate; 3. a shock absorbing assembly; 301. a guide bar; 302. a sliding sleeve; 303. a third spring; 304. a connecting rod; 4. a heat dissipating component; 401. a heat conducting plate; 402. heat dissipation fins; 403. heat dissipation holes; 5. a guard assembly; 501. a cavity; 502. a flame retardant; 503. an explosion-proof membrane; 504. and a wear-resistant layer.

Detailed Description

As shown in fig. 1, a lithium battery with a buffering and anti-collision function comprises a battery body 1, a shock-absorbing component 3 and a protection component 5, wherein an anti-collision component 2 for preventing collision of the battery is arranged outside the battery body 1, the shock-absorbing component 3 for absorbing shock of the battery is arranged on the bottom surface of the battery body 1, a heat-dissipating component 4 for dissipating heat of the battery is arranged outside the battery body 1, the protection component 5 for preventing flame of the battery is arranged inside the battery body 1, the battery body 1 comprises a battery box 101, a port 102, a handle 103 and a base 104, the port 102 is arranged in the center of the top end of the battery box 101, the handle 103 is connected above the top surface of the battery box 101, the base 104 is arranged below the battery box 101, the shock-absorbing component 3 comprises a guide rod 301, a sliding sleeve 302, a third spring 303 and a connecting rod 304, the sliding sleeve 302 is sleeved outside the center of the guide rod 301, and the third springs 303 are arranged on the left and right sides of the sliding sleeve 302, the bottom end of the sliding sleeve 302 is rotatably connected with two connecting rods 304, the connecting rods 304 are symmetrically arranged about the central position of the battery box 101, the connecting rods 304 are rotatably connected with the base 104, when the lithium battery is placed and transported, the vibration generated by the base 104 can drive the connecting rods 304 to rotate, at the moment, the third spring 303 can push and pull the sliding sleeve 302 under the limit of the guide rod 301, so as to buffer the vibration generated by the base 104, the shock absorption performance of the lithium battery is improved through a double buffer structure, the lithium battery is prevented from being damaged due to the vibration, the heat dissipation assembly 4 comprises a heat conduction plate 401, heat dissipation fins 402 and heat dissipation holes 403, the heat dissipation fins 402 are arranged on the outer side of the heat conduction plate 401, the width direction of the heat dissipation fins 402 is vertically distributed with the right side of the heat conduction plate 401, the heat dissipation fins 402 are equidistantly distributed with respect to the right side of the heat conduction plate 401, and the heat dissipation fins 402 improve the heat dissipation efficiency of the heat conduction plate 401, therefore, the heat dissipation efficiency of the battery body 1 is improved, the heat dissipation holes 403 are formed in the right side of the anti-collision plate 205, and the heat dissipation holes 403 are formed in the anti-collision plate 205, so that the influence of the anti-collision plate 205 on the air flow rate of the surfaces of the heat dissipation fins 402 can be avoided, and the heat dissipation performance of the battery body 1 is improved.

As shown in fig. 2-3, the anti-collision assembly 2 includes a limiting cylinder 201, a first spring 202, a limiting column 203, a second spring 204, an anti-collision plate 205 and a rubber plate 206, the first spring 202 is disposed inside the limiting cylinder 201, the limiting column 203 is connected to the right end of the first spring 202, the second spring 204 is sleeved outside the limiting column 203, the anti-collision plate 205 is connected to the right end of the limiting column 203, the anti-collision plate 205 can block an object to be collided, the limiting column 203 is slidably connected to the limiting cylinder 201, the right side of the limiting cylinder 201 is attached to the left side of the second spring 204, the anti-collision plate 205 can push the limiting column 203 to press the first spring 202 inside the limiting cylinder 201, the second spring 204 can also buffer the anti-collision plate 205 under the limiting action of the limiting column 203, the rubber plate 206 is disposed on the right side of the anti-collision plate 205, and the rubber plate 206 is disposed outside the anti-collision plate 205, so as to facilitate passing through a multiple buffer structure, improve the crashworthiness of lithium cell, the life of extension lithium cell, protection component 5 includes cavity 501, fire retardant 502, rupture membrane 503 and wearing layer 504, the inside of cavity 501 is provided with fire retardant 502, when battery box 101 leads to when breaking because of the burning, the inside fire retardant 502 of cavity 501 spills, can be fire-retardant to the battery, improve the fire behaviour of battery, rupture membrane 503 sets up in the outside of battery box 101, and rupture membrane 503's the outside is provided with wearing layer 504, when battery main body 1 takes place to burst, rupture membrane 503 can avoid the piece to splash, cause secondary damage to personnel around, the security when improving battery main body 1 and using, and still through setting up wearing layer 504 in rupture membrane 503's the outside, can improve battery box 101's life.

To sum up, when the lithium battery with buffering and anti-collision functions is used, firstly, according to the structure shown in fig. 1, the shock absorption component 3 is arranged at the bottom end of the battery box body 101, when the lithium battery is placed and transported, the shock generated by the base 104 can drive the connecting rod 304 to rotate, at the moment, the third spring 303 can push and pull the sliding sleeve 302 under the limit of the guide rod 301, so as to buffer the shock generated by the base 104, the shock absorption performance of the lithium battery is improved through the double-buffer structure, the lithium battery is prevented from being damaged due to the shock, then, the battery main body 1 is convenient to move and place through the handle 103, the battery main body 1 is connected through the port 102, the battery main body 1 starts to work, at the moment, the heat generated during the work of the battery can be conducted to the heat conduction plate 401, and the heat dissipation efficiency of the heat conduction plate 401 is improved through the heat dissipation fins 402, and also through setting up the heat dissipating vent 403 inside the anti-collision plate 205, can avoid the anti-collision plate 205 to produce the influence on the air flow rate of the surface of the cooling fin 402, thus improve the heat dissipating characteristic of the battery body 1, then according to the structure shown in fig. 2, when the lithium battery is hit, the anti-collision plate 205 can block the object that hits, the anti-collision plate 205 can push the spacing column 203 to squeeze the first spring 202 in the spacing cylinder 201 at the same time, and the second spring 204 can also cushion the anti-collision plate 205 under the spacing of the spacing column 203, and also through setting up the rubber slab 206 outside the anti-collision plate 205, facilitate through the multiple buffer structure, improve the crashworthiness of the lithium battery, lengthen the service life of the lithium battery, finally according to the structure shown in fig. 3, when the lithium battery happens to the accident situation, the battery box 101 because of burning leads to the rupture, can make the fire retardant 502 in the cavity 501 leak out, come to retard burning to the battery, improve the fire behaviour of battery, still simultaneously through setting up rupture membrane 503 in the outside of battery box 101, can strengthen the bulk strength of battery box 101, and can also be when battery main part 1 takes place to burst, rupture membrane 503 can avoid the piece to splash, causes secondary damage to personnel around, the security when improving battery main part 1 and using, and still through setting up wearing layer 504 in the outside of rupture membrane 503, can improve the life of battery box 101.

Claims

1. A lithium battery with a buffering and anti-collision function comprises a battery main body (1), a shock absorption assembly (3) and a protection assembly (5), and is characterized in that the anti-collision assembly (2) for preventing the battery from collision is arranged outside the battery main body (1), the shock absorption assembly (3) for absorbing the shock of the battery is arranged on the bottom surface of the battery main body (1), a heat dissipation assembly (4) for dissipating heat of the battery is arranged outside the battery main body (1), the protection assembly (5) for preventing the battery from flaming is arranged inside the battery main body (1), the battery main body (1) comprises a battery box body (101), a port (102), a handle (103) and a base (104), the port (102) is arranged in the center of the top end of the battery box body (101), the handle (103) is connected above the top surface of the battery box body (101), the base (104) is arranged below the battery box body (101), the anti-collision assembly (2) comprises a limiting cylinder (201), a first spring (202), a limiting column (203), a second spring (204), an anti-collision plate (205) and a rubber plate (206), wherein the first spring (202) is arranged inside the limiting cylinder (201), the right end of the first spring (202) is connected with the limiting column (203), the second spring (204) is sleeved outside the limiting column (203), the right end of the limiting column (203) is connected with the anti-collision plate (205), and the rubber plate (206) is arranged on the right side of the anti-collision plate (205).

2. The lithium battery with the buffering and anti-collision function as claimed in claim 1, wherein the limiting column (203) is connected with the limiting cylinder (201) in a sliding manner, and the right side of the limiting cylinder (201) is attached to the left side of the second spring (204).

3. The lithium battery with the buffering and anti-collision function as claimed in claim 1, wherein the shock absorption assembly (3) comprises a guide rod (301), a sliding sleeve (302), a third spring (303) and a connecting rod (304), the sliding sleeve (302) is sleeved on the outer side of the center of the guide rod (301), the third springs (303) are arranged on the left side and the right side of the sliding sleeve (302), and the connecting rod (304) is rotatably connected to the bottom end of the sliding sleeve (302).

4. The lithium battery with the buffering and anti-collision function as claimed in claim 3, wherein the number of the connecting rods (304) is two symmetrically arranged about the center of the battery box (101), and the connecting rods (304) are rotatably connected with the base (104).

5. The lithium battery with the buffering and anti-collision function as claimed in claim 1, wherein the heat dissipation assembly (4) comprises a heat conduction plate (401), heat dissipation fins (402) and heat dissipation holes (403), the heat dissipation fins (402) are arranged on the outer side of the heat conduction plate (401), and the heat dissipation holes (403) are arranged inside the right side of the anti-collision plate (205).

6. The lithium battery with the buffering and anti-collision function as claimed in claim 5, wherein the width direction of the heat dissipation fins (402) is perpendicular to the right side of the heat conduction plate (401), and the heat dissipation fins (402) are equidistantly distributed with respect to the right side of the heat conduction plate (401).

7. The lithium battery with the buffering and anti-collision function as claimed in claim 1, wherein the protective component (5) comprises a cavity (501), a flame retardant (502), an explosion-proof film (503) and a wear-resistant layer (504), the flame retardant (502) is arranged inside the cavity (501), the explosion-proof film (503) is arranged outside the battery box body (101), and the wear-resistant layer (504) is arranged outside the explosion-proof film (503).