CN220065784U

CN220065784U - Novel lithium battery pack with high temperature resistance function

Info

Publication number: CN220065784U
Application number: CN202223495208.4U
Authority: CN
Inventors: 贾卫强
Original assignee: Qingdao Purcell Energy Technology Co ltd
Current assignee: Qingdao Purcell Energy Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-11-21
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a novel lithium battery pack with a high temperature resistance function, and relates to the technical field of lithium battery packs. The novel lithium battery pack with the high temperature resistance function comprises a shell, a controller and a battery pack, wherein the bottom surface inside the shell is provided with a fixing structure, and the outer side of the fixing structure is provided with a heat dissipation structure. This novel lithium cell group with high temperature resistant function when using, make the heat that the group battery produced directly get into the heat dissipation case through the heat dissipation passageway and the connecting pipe that set up, the rethread fan blows out heat through cooling tube and ventilation hole, insert inside the fixed casing with the group battery, the cooperation through grip block, telescopic link and the spring that set up carries out the centre gripping to the group battery outside fixedly, and drive the apron through the cooperation of motor that sets up, the spout, screw rod and slider and carry out the centre gripping to the group battery top, not only avoided the group battery to rock and blockked up heat dissipation passageway, also prevented that the group battery from rocking simultaneously and resulting in scratch or damage.

Description

Novel lithium battery pack with high temperature resistance 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

Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium ion batteries, which are primary batteries using lithium metal or lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, are different from rechargeable batteries, namely lithium ion batteries, and are increasingly favored as a green energy source with high energy density, high voltage platform and low self-discharge rate, and the processing, preservation and use of lithium metal have very high environmental requirements due to the very active chemical characteristics of lithium metal.

The common lithium cell of current lithium cell group all can produce more heat when using, in order to avoid the too high potential safety hazard that produces of temperature, generally all can add heat radiation structure at the group battery and dispel the heat, for example grant the chinese patent of bulletin number CN215600482U, a novel lithium cell group with high temperature resistant function is disclosed, this novel lithium cell group is through being provided with louvre and fan, when using, the heat that the group produced after long-time work can enter into the heat transfer chamber through the louvre, then discharge the shell from the ventilation hole through the fan with heat, reach radiating effect, simultaneously, the wind-force that the fan produced also can reduce the inside temperature of shell, further improve the radiating effect.

However, the battery pack of the lithium battery pack is arranged inside the shell, but is connected with the outside through the heat dissipation holes and the ventilation openings, when the fan does not work, dust outside enters the shell through the heat dissipation holes and the ventilation openings and finally adheres to the surface of the battery pack, so that the stability and normal work of the battery are affected, meanwhile, the bottom of the shell is not lifted, when the bottom of the shell is directly fixed to an installation box or other planes, the fan cannot blow out heat, and the temperature generated by the fan is also retained inside the shell, so that the temperature rises to bring potential safety hazards.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a novel lithium battery pack with a high temperature resistant function, and solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a novel lithium cell group with high temperature resistant function, includes shell, controller and group battery, the inside bottom surface of shell is provided with fixed knot constructs, the fixed knot constructs the outside and is provided with heat radiation structure, fixed knot constructs and includes:

the fixed shell is fixedly arranged at the center of the bottom surface of the inside of the shell, heat dissipation channels are formed in the inner walls of the left side and the right side of the fixed shell, and motors are fixedly arranged on the surfaces of the front side and the rear side of the top of the fixed shell;

the number of the sliding grooves is two, the two sliding grooves are respectively arranged on the inner wall surfaces of the front side and the rear side of the fixed shell, a screw is arranged in the sliding grooves, the outer sides of the screw are in threaded connection with sliding blocks, and cover plates are arranged at the tops of the two sliding blocks;

the clamping plates are arranged in the fixed shell in an annular array, two telescopic rods are fixedly arranged at the upper end and the lower end of the surface of one side of the clamping plate far away from the center of the fixed shell, and springs are sleeved on the outer sides of the telescopic rods;

the heat dissipation structure includes:

the heat dissipation boxes are respectively and fixedly arranged on the inner wall surfaces of the left side and the right side of the shell, a cross is fixedly arranged in the heat dissipation boxes, a fan is fixedly arranged at the bottom of the cross, a connecting pipe is fixedly arranged on the surface of the top of the heat dissipation boxes, and a heat dissipation pipe is fixedly arranged at the bottom of the heat dissipation boxes;

the number of the ventilation holes is two, the two ventilation holes are respectively formed in the left end and the right end of the bottom of the shell, and the filter screen is fixedly arranged at the bottom end of the inside of the ventilation holes.

Preferably, the output shaft of the motor penetrates through the inner wall of the fixed shell and is fixedly connected with the top surface of the screw rod, and the bottom end of the screw rod is rotationally connected with the inner bottom surface of the sliding groove.

Preferably, the outer wall of the cover plate is mutually matched with the inner wall of the fixed shell.

Preferably, one end of the telescopic rod, which is far away from the clamping plate, is fixedly connected with the inner wall of the fixed shell.

Preferably, one end of the connecting pipe far-dispersing heat box is fixedly connected with the outer side surface of the fixed shell, and one end of the radiating pipe far-dispersing heat box is fixedly connected with the inner bottom surface of the shell.

Preferably, the inside of the fixed shell is mutually communicated with the outside through the cooperation of the heat dissipation channel, the connecting pipe, the heat dissipation box, the heat dissipation pipe and the vent hole.

(III) beneficial effects

The utility model provides a novel lithium battery pack with a high temperature resistant function. The beneficial effects are as follows:

(1) This novel lithium cell group with high temperature resistant function when using, the heat that makes the group battery produce directly gets into the heat dissipation case through heat dissipation passageway and the connecting pipe that set up to the suction that produces through fan during operation top is more complete with the heat entering into the heat dissipation incasement portion, and the rethread fan blows out heat through cooling tube and ventilation hole, and the shell bottom has also set up the supporting leg, makes the shell bottom leave the space, avoids the unable effluvium of heat, and the filter screen of setting also effectually has avoided the dust to get into inside the fixed casing.

(2) This novel lithium cell group with high temperature resistant function inserts the battery group inside fixed casing when using, carries out the centre gripping to the battery outside fixedly through the cooperation of grip block, telescopic link and the spring that set up to drive the apron through the cooperation of motor, spout, screw rod and the slider that set up and carry out the centre gripping to the battery top, avoided not only that the group battery rocks and blocks up heat dissipation channel, also prevented simultaneously that the group battery rocks and lead to scratch or damage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model with a front side partially cut away;

fig. 4 is a schematic top view of the fixing housing of the present utility model.

In the figure: 1. a housing; 2. a controller; 3. a fixed structure; 301. a fixed housing; 302. a heat dissipation channel; 303. a motor; 304. a chute; 305. a screw; 306. a slide block; 307. a cover plate; 308. a clamping plate; 309. a telescopic rod; 310. a spring; 4. a heat dissipation structure; 401. a heat radiation box; 402. a cross; 403. a blower; 404. a connecting pipe; 405. a heat radiating pipe; 406. a vent hole; 407. a filter screen; 5. a battery pack.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a novel lithium cell group with high temperature resistant function, includes shell 1, controller 2 and group battery 5, and the inside bottom surface of shell 1 is provided with fixed knot constructs 3, and the fixed knot constructs 3 outside and is provided with heat radiation structure 4, and fixed knot constructs 3 and includes: the fixed shell 301, spout 304 and grip block 308, fixed shell 301 fixed mounting is in the inside bottom surface center department of shell 1, begin to have heat dissipation passageway 302 in the inner wall of fixed shell 301 both sides, fixed shell 301 top front and back both sides surface fixed mounting has motor 303, the quantity of spout 304 is two, two spouts 304 begin respectively at fixed shell 301 front and back both sides inner wall surface, the inside screw 305 that is provided with of spout 304, the output shaft of motor 303 runs through the inner wall of fixed shell 301 and the top surface fixed connection of screw 305, the bottom and the inside bottom surface rotation of spout 304 of screw 305 are connected.

The outside threaded connection of screw rod 305 has slider 306, slider 306 and spout 304 inner wall sliding connection, two slider 306 tops are provided with apron 307, threaded holes have all been seted up to slider 306 and apron 307 top surface, accessible bolt carries out fixed connection between slider 306 and the apron 307, the outer wall of apron 307 and the inner wall of fixed casing 301 are mutually adapted, apron 307 top surface can set up the indent handle and conveniently take, apron 307 can make the inside airtight space that forms of fixed casing 301, avoid the heat dissipation that battery 5 produced to the inside shell 1 to lead to unable the dispelling, starter motor 303 can drive screw rod 305 and rotate, thereby drive slider 306 and carry out the removal of upper and lower direction under the spacing of spout 304, and then drive apron 307 through the bolt fastening and reciprocate, make apron 307 can carry out the centre gripping to the top of battery 5.

The number of the clamping plates 308 is four, the four clamping plates 308 are arranged in the fixed shell 301 in an annular array, the top ends of the clamping plates 308 are arranged in an outwards inclined structure, the clamping plates 308 can be guided when the battery pack 5 is inserted into the fixed shell 301, the clamping plates enter a space formed by the four clamping plates 308, two telescopic rods 309 are fixedly arranged at the upper end and the lower end of one side surface of the clamping plates 308, which is far away from the center of the fixed shell 301, of each clamping plate 308, one end of each telescopic rod 309, which is far away from the clamping plates 308, is fixedly connected with the inner wall of the fixed shell 301, a spring 310 is sleeved outside each telescopic rod 309, the battery pack 5 is inserted into the fixed shell 301, and enters the space formed by the four clamping plates 308, the four clamping plates 308 are extruded outwards by inserting the battery pack 5, the telescopic rods 309 and the springs 310 are compressed, so that the springs 310 generate elasticity, and the outer side of the battery pack 5 is clamped and fixed, and scratches or damages caused by shaking of the battery pack 5 when the outer shell 1 is impacted by the outside are avoided.

The heat dissipation structure 4 includes: the heat dissipation box 401 and ventilation holes 406, the quantity of heat dissipation box 401 is two, two heat dissipation box 401 are fixed mounting respectively in the left and right sides inner wall surface of shell 1, cross 402 is fixed mounting in heat dissipation box 401, fan 403 is fixed mounting in cross 402 bottom, heat dissipation box 401 top surface fixed mounting has connecting pipe 404, the bottom fixed mounting of heat dissipation box 401 has cooling tube 405, the one end of the far away scattered hot box 401 of connecting pipe 404 and the outside fixed surface of fixed casing 301 are connected, the one end of cooling tube 405 far away scattered hot box 401 and the inside bottom surface fixed connection of shell 1, the quantity of ventilation holes 406 is two, two ventilation holes 406 are seted up respectively in the left and right sides of shell 1 bottom, the inside intercommunication each other with the external world of fixed casing 301 through cooling channel 302, connecting pipe 404, heat dissipation box 401, cooling tube 405 and ventilation hole 406.

The heat that the battery pack 5 during operation produced can get into the heat dissipation case 401 inside through heat dissipation channel 302 and connecting pipe 404 to when fan 403 work was bloied downwards, the top also can produce the heat that the suction will fix the inside of casing 301 and take out, make the heat blow out through heat dissipation channel 302, connecting pipe 404, heat dissipation case 401, cooling tube 405 and ventilation hole 406's cooperation, reach radiating effect, promote the high temperature resistant effect of battery pack 5, the inside bottom fixed mounting of ventilation hole 406 has filter screen 407, the air that gets into cooling tube 405 through the external world of filter screen 407 that sets up filters, avoid the dust to get into the inside stability and the normal work that influence battery pack 5 of fixed casing 301.

In the utility model, when the battery pack 5 is used, the shell 1 is fixed, then the battery pack 5 is inserted into a space formed by the four clamping plates 308, the outer side of the battery pack 5 is fixedly clamped through the matching of the telescopic rod 309 and the spring 310, the cover plate 307 is fixed to the top of the sliding block 306 through bolts, the starting motor 303 drives the cover plate 307 to move downwards under the matching of the sliding groove 304 and the screw 305 to clamp and fix the top of the battery pack 5, the situation that the battery pack 5 is rocked to block the heat dissipation channel 302 when the shell 1 is impacted by the outside is avoided, meanwhile, the battery pack 5 is prevented from being scratched or damaged due to rocking, when the battery pack 5 is used for a long time, heat generated during the operation of the battery pack 5 enters the heat dissipation box 401 through the heat dissipation channel 302 and the connecting pipe 404, the fan 403 is started to work, and the upper side of the suction force is generated to suck the heat inside the fixed shell 301, so that the heat is blown out through the matching of the heat dissipation channel 302, the connecting pipe 404, the heat dissipation box 401, the heat dissipation pipe 405 and the vent hole 406, and the high temperature resistant effect of the battery pack 5 are improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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), controller (2) and group battery (5), its characterized in that: the inside bottom surface of shell (1) is provided with fixed knot constructs (3), fixed knot constructs (3) outside and is provided with heat radiation structure (4), fixed knot constructs (3) include:

the fixed shell (301), the fixed shell (301) is fixedly arranged at the center of the bottom surface inside the shell (1), heat dissipation channels (302) are formed in the inner walls of the left side and the right side of the fixed shell (301), and motors (303) are fixedly arranged on the surfaces of the front side and the rear side of the top of the fixed shell (301);

the sliding grooves (304) are two in number, the two sliding grooves (304) are respectively formed in the inner wall surfaces of the front side and the rear side of the fixed shell (301), a screw rod (305) is arranged in the sliding grooves (304), sliding blocks (306) are connected to the outer sides of the screw rod (305) in a threaded mode, and a cover plate (307) is arranged at the tops of the two sliding blocks (306);

the clamping plates (308), the number of the clamping plates (308) is four, the four clamping plates (308) are arranged in the fixed shell (301) in a ring-shaped array, two telescopic rods (309) are fixedly arranged at the upper end and the lower end of one side surface of the clamping plates (308) far away from the center of the fixed shell (301), and springs (310) are sleeved on the outer sides of the telescopic rods (309);

the heat dissipation structure (4) includes:

the heat dissipation boxes (401), the number of the heat dissipation boxes (401) is two, the two heat dissipation boxes (401) are respectively and fixedly installed on the inner wall surfaces of the left side and the right side of the shell (1), a cross (402) is fixedly installed inside the heat dissipation boxes (401), a fan (403) is fixedly installed at the bottom of the cross (402), a connecting pipe (404) is fixedly installed on the top surface of the heat dissipation boxes (401), and a heat dissipation pipe (405) is fixedly installed at the bottom of the heat dissipation boxes (401);

the number of the vent holes (406) is two, the two vent holes (406) are respectively formed in the left end and the right end of the bottom of the shell (1), and a filter screen (407) is fixedly arranged at the bottom end of the inside of the vent hole (406).

2. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: an output shaft of the motor (303) penetrates through the inner wall of the fixed shell (301) and is fixedly connected with the top surface of the screw rod (305), and the bottom end of the screw rod (305) is rotatably connected with the inner bottom surface of the sliding groove (304).

3. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: the outer wall of the cover plate (307) is matched with the inner wall of the fixed shell (301).

4. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: one end of the telescopic rod (309) far away from the clamping plate (308) is fixedly connected with the inner wall of the fixed shell (301).

5. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: one end of the connecting pipe (404) far away from the radiating box (401) is fixedly connected with the outer side surface of the fixed shell (301), and one end of the radiating pipe (405) far away from the radiating box (401) is fixedly connected with the inner bottom surface of the shell (1).

6. The novel lithium battery pack with high temperature resistance according to claim 1, wherein: the inside of the fixed shell (301) is communicated with the outside through the cooperation of a heat dissipation channel (302), a connecting pipe (404), a heat dissipation box (401), a heat dissipation pipe (405) and a vent hole (406).