CN215600482U

CN215600482U - Novel lithium cell group with high temperature resistant function

Info

Publication number: CN215600482U
Application number: CN202122091635.5U
Authority: CN
Inventors: 王瑞娟; 严恒军; 陈存保; 刘博�; 熊新林; 谢礼; 颜晓明
Original assignee: Yunnan Lufei New Energy Materials Co ltd
Current assignee: Yunnan Lufei New Energy Materials Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-21
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the technical field of lithium battery packs, and discloses a novel lithium battery pack with a high-temperature resistant function, which comprises a shell and a battery pack, wherein a placing device is arranged at the top of the inner wall of the shell, a fixing device is arranged inside the placing device, a heat dissipation device is arranged on the side surface of the placing device, a damping mechanism is arranged inside the shell, and the heat dissipation device comprises heat dissipation holes, a heat exchange cavity, a fan box and ventilation holes. This novel lithium cell group with high temperature resistant function, through being provided with louvre and fan, when using, the heat that the group battery produced after long-time work can enter into the heat transfer chamber through the louvre, then discharge the shell with the heat from the ventilation hole through the fan, reach radiating effect, and simultaneously, the wind-force that the fan produced also can reduce the inside temperature of shell, further improves the radiating effect, through being provided with bubble cotton and spring, can reduce vibrations in the vertical direction, make the group battery can remain stable in the rack.

Description

Novel lithium cell group with high temperature resistant function

Technical Field

The utility model relates to the technical field of lithium battery packs, in particular to a novel lithium battery pack with a high-temperature resistant function.

Background

The lithium ion battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, and is more and more favored by people as a green energy source with high energy density, high voltage platform and low self-discharge rate.

The common lithium battery of current lithium cell group all can produce more heat when using, if can not in time discharge the heat, will bring the potential safety hazard, so need design a high temperature resistant lithium cell group.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel lithium battery pack with high temperature resistance, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel lithium cell group with high temperature resistant function, includes shell and group battery, the inner wall top of shell is provided with placer, placer's inside sets up fixing device, placer's side is provided with heat abstractor, the inside of shell is provided with damper.

The heat dissipation device comprises heat dissipation holes, heat exchange cavities, fans, fan boxes and ventilation holes, the heat dissipation holes are formed in the left side and the right side of the placement frame, the number of the fan boxes is two, the two fan boxes are fixedly connected to the top of the shell, the fans are fixedly connected to the inner top of the fan boxes, and the ventilation holes are formed in the bottom of the shell.

Preferably, the fixing device comprises a threaded hole, a bolt, a rubber pad and a rotating handle, the rubber pad is fixedly connected to one side, close to the battery pack, of the bolt, and the rotating handle is fixedly connected to one side, far away from the rubber pad, of the bolt.

Preferably, the placing device comprises a placing rack and a placing groove, the placing rack is fixedly connected to the inner bottom of the shell, the placing groove is formed in the top of the placing rack, and the placing rack can place the battery pack.

Preferably, damper includes that damping plate, damping spring and bubble are cotton, the cotton fixed connection of bubble is in the top of standing groove, damping spring fixed connection is in the top of standing groove, damping plate fixed connection is in damping spring's top, and damper can play the effect of buffering to the group battery, carries the emergence when rocking at the shell, can make the group battery reduce to rock, plays the effect of protection.

Preferably, the quantity of screw hole and bolt is two, two the left and right sides of rack is seted up to the screw hole symmetry, bolt threaded connection can press from both sides tight fixed with the group battery through being provided with screw hole and bolt in the inside of screw hole, prevents that the group battery from taking place to collide with, causes the damage.

Preferably, the heat exchange cavity is arranged on the side face of the placing frame inside the shell, the bottom of the fan shell is provided with a through hole, and wind generated by the fan can be blown to the inside of the heat exchange cavity through the through hole, so that the heat dissipation effect is achieved.

Preferably, the top of the foam is provided with a placing hole, the aperture of the placing hole is larger than that of the damping spring, and the placing hole is used for placing the spring.

Compared with the prior art, the utility model has the beneficial effects that:

1. this novel lithium cell group with high temperature resistant function through being provided with louvre and fan, when using, the heat that the group battery produced after working for a long time can enter into the heat transfer chamber through the louvre, then discharges the shell with the heat from the ventilation hole through the fan, reaches radiating effect, and simultaneously, the wind-force that the fan produced also can reduce the inside temperature of shell, further improves the radiating effect.

2. This novel lithium cell group with high temperature resistant function through being provided with bubble cotton and spring, can reduce vibrations in the vertical direction, makes the group battery can remain stable in the rack.

3. Through being provided with screw hole and bolt, can press from both sides tight fixed group battery, prevent that the group battery from rocking inside the shell, taking place to collide with, cause scratch and damage, protect the group battery.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

In the figure: 1. a housing; 2. a battery pack; 3. a placement device; 301. placing a rack; 302. a placement groove; 4. a fixing device; 401. a threaded hole; 402. a bolt; 403. a rubber pad; 404. turning a handle; 5. a damping mechanism; 501. a damper plate; 502. a damping spring; 503. soaking cotton; 6. a heat sink; 601. heat dissipation holes; 602. a heat exchange cavity; 603. a fan; 604. a fan box; 605. a vent hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel lithium cell group with high temperature resistant function, includes shell 1 and group battery 2, and the inner wall top of shell 1 is provided with placer 3, and placer 3's inside sets up fixing device 4, and placer 3's side is provided with heat abstractor 6, and shell 1's inside is provided with damper 5.

Heat abstractor 6 includes louvre 601, heat transfer chamber 602, fan 603, fan case 604 and ventilation hole 605, the left and right sides of rack 301 is seted up to louvre 601, the quantity of fan case 604 is two, two fan case 604 fixed connection are in the top of shell 1, fan 603 fixed connection is in the interior top of fan case 604, ventilation hole 605 is seted up in the bottom of shell 1, the side of the inside rack 301 of shell 1 is seted up to heat transfer chamber 602, the through-hole has been seted up to the bottom of fan case 604, the through-hole can let the wind that fan 603 produced blow to the inside of heat transfer chamber 602, play radiating effect.

Fixing device 4 includes screw hole 401, bolt 402, rubber pad 403 and commentaries on classics 404, rubber pad 403 fixed connection is in bolt 402 and is close to group battery 2 one side, change 404 fixed connection in bolt 402 and keep away from rubber pad 403 one side, the quantity of screw hole 401 and bolt 402 is two, the left and right sides of rack 301 is seted up to two screw hole 401 symmetries, bolt 402 threaded connection is in the inside of screw hole 401, through being provided with screw hole 401 and bolt 402, can press from both sides group battery 2 tightly fixed, prevent that group battery 2 from taking place to collide with, cause the damage.

The placing device 3 comprises a placing rack 301 and a placing groove 302, the placing rack 301 is fixedly connected to the inner bottom of the shell 1, the placing groove 302 is arranged at the top of the placing rack 301, and the placing rack 301 can place the battery pack 2.

Damper 5 includes damping plate 501, damping spring 502, and bubble cotton 503, bubble cotton 503 fixed connection is in the top of standing groove 302, damping spring 502 fixed connection is in the top of standing groove 302, damping plate 501 fixed connection is in damping spring 502's top, damper 5 can play the effect of buffering to group battery 2, carry the emergence when rocking at shell 1, can make group battery 2 reduce and rock, play the effect of protection, the hole of placing has been seted up at the top of bubble cotton 503, the aperture of placing the hole is greater than damping spring 502's aperture, it is used for placing damping spring 502 to place the hole.

The working principle of the utility model is as follows: when the novel lithium battery pack with the high-temperature resistance function is used, the shell 1 is fixed firstly, then the battery pack 2 is installed in the shell 1, when the lithium battery pack is installed, the top cover is opened firstly, the battery pack 2 is placed at the top of the placing groove 302, then the rotating handle 404 is rotated by external force to drive the bolt 402 to rotate, the bolt 402 rotates to drive the rubber pad 403 to move towards the direction close to the battery pack 2, the rubber pad 403 is moved to be in contact with the surface of the battery pack 2, the rubber pad 403 clamps and fixes the battery pack 2, the movement of the battery pack 2 in the horizontal direction is reduced, the foam 503 and the damping spring 502 are arranged at the bottom of the battery pack 2, when the lithium battery pack is used, the shake of the battery pack 2 on a vertical spinning line can be reduced, the battery pack 2 can generate heat after being used for a long time, after the heat is generated, the lithium battery pack enters the heat exchange cavity 602 through the arranged heat dissipation holes 601, and then the switch of the fan 603 is started, the fan 603 rotates to generate wind force to blow heat out of the housing 1 through the vent holes 605, so that the heat dissipation effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel lithium cell group with high temperature resistant function, includes shell (1) and group battery (2), its characterized in that: a placing device (3) is arranged at the inner bottom of the shell (1), a fixing device (4) is arranged in the placing device (3), a heat radiating device (6) is arranged on the side surface of the placing device (3), a damping mechanism (5) is arranged in the shell (1), and a top cover (7) is arranged at the top of the shell (1);

heat abstractor (6) include louvre (601), heat transfer chamber (602), fan (603), fan case (604) and ventilation hole (605), the left and right sides of rack (301) is seted up in louvre (601), the quantity of fan case (604) is two, two fan case (604) fixed connection is in the top of shell (1), fan (603) fixed connection is in the interior top of fan case (604), the bottom in shell (1) is seted up in ventilation hole (605).

2. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: the fixing device (4) comprises a threaded hole (401), a bolt (402), a rubber pad (403) and a rotating handle (404), the rubber pad (403) is fixedly connected to one side, close to the battery pack (2), of the bolt (402), and the rotating handle (404) is fixedly connected to one side, far away from the rubber pad (403), of the bolt (402).

3. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: the placing device (3) comprises a placing rack (301) and a placing groove (302), the placing rack (301) is fixedly connected to the inner bottom of the shell (1), and the placing groove (302) is arranged at the top of the placing rack (301).

4. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: the damping mechanism (5) comprises a damping plate (501), a damping spring (502) and foam (503), the foam (503) is fixedly connected to the top of the placing groove (302), the damping spring (502) is fixedly connected to the top of the placing groove (302), and the damping plate (501) is fixedly connected to the top of the damping spring (502).

5. The novel lithium battery pack with high temperature resistance according to claim 2, wherein: the number of the threaded holes (401) and the number of the bolts (402) are two, the threaded holes (401) are symmetrically arranged on the left side and the right side of the placing frame (301), and the bolts (402) are in threaded connection with the inner portions of the threaded holes (401).

6. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: the heat exchange cavity (602) is arranged on the side face of the placing frame (301) in the shell (1), and a through hole is formed in the bottom of the fan box (604).

7. The novel lithium battery pack with high temperature resistance according to claim 4, wherein: a placing hole is formed in the top of the foam (503), and the aperture of the placing hole is larger than that of the damping spring (502).