CN221009091U

CN221009091U - A heat dissipation shell for lithium cell group

Info

Publication number: CN221009091U
Application number: CN202322289157.8U
Authority: CN
Inventors: 陈平
Original assignee: Nantong Qingji New Energy Technology Co ltd
Current assignee: Nantong Qingji New Energy Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-05-24
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a heat dissipation shell for a lithium battery pack, and relates to the technical field of lithium battery pack shells. Including lower casing, lower casing's outer wall is provided with clearance mechanism, collection mechanism and heat dissipation mechanism respectively, clearance mechanism includes the clearance frame, clearance frame fixed connection is in the middle of lower casing's outer wall one side, clearance frame is inside to be close to one side fixedly connected with dust screen of lower casing, the screw thread is connected with the safety cover in the middle of clearance frame's outer wall one side, the motor of safety cover internally mounted has the looks adaptation, the output of motor runs through clearance frame's inner wall fixedly connected with screw thread post. According to the utility model, the motor works to drive the threaded column to rotate, and the cleaning hairbrush plate is driven to move along the sliding column through the rotation of the threaded column, so that dust on the dust screen is cleaned, and the reduction of the heat dissipation effect of the shell caused by the blockage of the dust screen by the dust is avoided.

Description

A heat dissipation shell for lithium cell group

Technical Field

The utility model relates to the technical field of lithium battery pack shells, in particular to a heat dissipation shell for a lithium battery pack.

Background

The lithium battery has the characteristics of light weight, high energy density and the like, and a plurality of lithium batteries are connected in series and parallel and then put into the shell to be assembled into a high-power and high-capacity lithium battery pack which can be used as a power source of some vehicles or electric equipment, such as electric automobiles, ships and electric trains. The lithium battery pack can generate a large amount of heat during operation, so that the working temperature rises, if the high-power discharge is carried out for a long time, and the heat dissipation treatment is not carried out, the lithium battery pack is easy to generate a thermal runaway phenomenon, the service life is shortened, and even the lithium battery is seriously in fire.

A heat dissipation case for a lithium battery pack, having publication No. CN219226381U, which exposes the following drawbacks in use:

Above-mentioned lithium cell group's heat dissipation shell passes through the work of radiator unit and drives the air flow and dispels the heat to the shell, and the air can impurity be in the dust through ventilation groove and ventilation hole, carries out the check to the dust through the dust screen and keeps off, and above-mentioned lithium cell group's heat dissipation shell can't clear up the dust on the dust screen when using, and long-term use can lead to the dust screen to block up to reduce shell radiating effect, so the urgent need one kind can clear up the heat dissipation shell of lithium cell group of dust screen.

Disclosure of utility model

The present utility model is directed to a heat dissipation case for a lithium battery pack, which solves the above-mentioned problems of the related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat dissipation shell for lithium cell group, includes the casing down, the outer wall of casing is provided with clearance mechanism, collection mechanism and heat dissipation mechanism respectively down, clearance mechanism includes the clearance frame, clearance frame fixed connection is in the middle of outer wall one side of casing down, clearance frame is inside to be close to one side fixedly connected with dust screen of casing down, the screw thread is connected with the safety cover in the middle of the outer wall one side of clearance frame, the motor of safety cover internally mounted looks adaptation has, the output of motor runs through the inner wall fixedly connected with screw thread post of clearance frame, clearance frame inside with fixedly connected with bearing in the middle of the one end opposite to the motor, the inner ring inner wall of bearing with the one end outer wall of screw thread post is fixed mutually, the outside threaded connection of screw thread post has the clearance brush board, clearance brush board top and bottom both ends sliding connection have the sliding column, the sliding column with clearance frame inner wall is fixed mutually.

Preferably, the heat dissipation mechanism comprises an air inlet hole, the air inlet Kong Kaishe is positioned in the middle of one side of the cleaning frame on the outer wall of the lower shell, a plurality of evenly distributed air outlet holes are formed in one side of the opposite surface of the lower shell, and each air outlet hole is internally provided with a matched heat dissipation fan.

Preferably, the air inlet is rectangular, the air outlet is circular, and a plurality of evenly distributed round holes are formed in one side, away from the air inlet, of the outer wall of the cleaning frame.

Preferably, the collection mechanism comprises a collection frame, the collection frame is arranged at the bottom of the cleaning frame and integrally formed with the cleaning frame, a collection drawer matched with the collection frame is arranged in the collection frame, communication holes are respectively formed in the top of the collection frame and the bottom of the cleaning frame, and the cleaning frame, the collection frame and the collection drawer are sequentially communicated.

Preferably, the top of lower casing is provided with the casing, go up the top centre of casing and seted up the wiring hole, the standing groove has been seted up respectively at the top both ends of going up the casing, standing groove internally mounted has rotatable lifting handle.

Preferably, a plurality of evenly distributed grafting grooves are respectively formed in the periphery of the top of the lower shell, each grafting groove is fixedly connected with a magnet matched with the inside, a plurality of evenly distributed grafting columns are respectively fixedly connected with the periphery of the bottom of the upper shell, each grafting column is a cylindrical iron block, each grafting column is matched with each grafting groove, and the upper shell and the lower shell are magnetically spliced through the grafting columns and the magnet and are fastened through bolts and nuts.

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

This a heat dissipation shell for lithium cell group drives the screw thread post through the motor work and rotates, drives the clearance brush board through the screw thread post rotation and removes along the slip post to clear up the dust on the dust screen, avoided the dust to block up the dust screen and caused shell radiating effect to reduce.

Drawings

Fig. 1 is a schematic view of the structure of the shaft side of a heat dissipation case for a lithium battery pack according to the present utility model;

FIG. 2 is a schematic structural view of the connecting mechanism of the present utility model;

FIG. 3 is a schematic diagram of a heat dissipation mechanism according to the present utility model;

FIG. 4 is a schematic view of the structure of the collecting mechanism of the present utility model;

fig. 5 is a schematic structural view of the cleaning mechanism of the present utility model.

In the figure: 1. an upper housing; 2. a lower housing; 3. a heat dissipation mechanism; 301. an air inlet hole; 302. an air outlet hole; 303. a heat radiation fan; 4. a cleaning mechanism; 401. cleaning a frame; 402. a dust screen; 403. a communication hole; 404. a protective cover; 405. a motor; 406. cleaning a hairbrush plate; 407. a sliding column; 408. a threaded column; 409. a bearing; 5. a collection mechanism; 501. a collection frame; 502. a collection drawer; 6. a plug-in groove; 7. a magnetic block; 8. a plug-in column; 9. a placement groove; 10. a lifting handle; 11. and a wiring hole.

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.

The lithium battery has the characteristics of light weight, high energy density and the like, and a plurality of lithium batteries are connected in series and parallel and then put into the shell to be assembled into a high-power and high-capacity lithium battery pack which can be used as a power source of some vehicles or electric equipment, such as electric automobiles, ships and electric trains. The lithium battery pack can generate a large amount of heat during operation, so that the working temperature rises, if the lithium battery pack is subjected to high-power discharge for a long time and does not perform heat dissipation treatment, the lithium battery pack is easy to generate thermal runaway phenomenon, the service life is reduced, and serious even lithium batteries are in fire.

As shown in fig. 1 to 5, the present utility model provides a technical solution: a heat dissipation shell for lithium cell group, including lower casing 2, lower casing 2's outer wall is provided with clearance mechanism 4 respectively, collect mechanism 5 and heat dissipation mechanism 3, clearance mechanism 4 includes clearance frame 401, clearance frame 401 fixed connection is in the middle of casing 2's outer wall one side down, clearance frame 401 inside is close to one side fixedly connected with dust screen 402 of lower casing 2, the screw thread is connected with safety cover 404 in the middle of clearance frame 401's outer wall one side, safety cover 404 internally mounted has motor 405 of looks adaptation, motor 405's output runs through clearance frame 401's inner wall fixedly connected with screw thread post 408, clearance frame 401 inside is fixed with bearing 409 in the middle of the one end opposite face with motor 405, the inner ring inner wall of bearing 409 and the one end outer wall of screw thread post 408 are fixed mutually, the outside screw thread is connected with clearance brush plate 406, clearance brush plate 406 top and bottom both ends sliding connection have slide post 407, slide post 407 and clearance frame 401 inner wall are fixed mutually, drive screw thread post 408 through motor 405 work and rotate, drive clearance brush plate 406 along slide post 408 and remove, thereby carry out dust removal on the dust screen 402, the dust removal effect has been avoided to prevent dust on the dust screen 402 from blocking.

The heat dissipation mechanism 3 includes the fresh air inlet 301, and fresh air inlet 301 is offered in the middle of the one side of lower casing 2 outer wall lies in clearance frame 401, and a plurality of evenly distributed's apopore 302 have been offered to one side of lower casing 2 outer wall and fresh air inlet 301 opposite face, and the radiator fan 303 of looks adaptation is all installed to the inside of every apopore 302, can dispel the heat to last casing 1 and lower casing 2 through radiator fan 303 work.

The air inlet 301 is rectangular, the air outlet 302 is circular, and a plurality of evenly distributed round holes are formed in one side, far away from the air inlet 301, of the outer wall of the cleaning frame 401.

The collection mechanism 5 includes collection frame 501, and collection frame 501 installs in the bottom of clearance frame 401 and with clearance frame 401 integrated into one piece, and collection drawer 502 of looks adaptation is seted up respectively to the internally mounted of collection frame 501, and the communication hole 403 has been seted up to the top of collection frame 501 and the bottom of clearance frame 401, and clearance frame 401, collection frame 501 and collection drawer 502 link to each other in proper order, and the dust of clearance drops through communication hole 403 and gathers drawer 502 in, conveniently gathers the dust of clearance through collecting drawer 502.

The top of lower casing 2 is provided with casing 1, goes up the top centre of casing 1 and has seted up wiring hole 11, and standing groove 9 has been seted up respectively at the top both ends of casing 1, and standing groove 9 internally mounted has rotatable carrying handle 10, through setting up carrying handle 10, conveniently separates casing 1 and lower casing 2 like this.

The top of casing 2 has offered a plurality of evenly distributed's grafting groove 6 all around respectively, the equal fixedly connected with looks adaptation's of inside of every grafting groove 6 magnetic path 7, go up casing 1's bottom all around respectively fixedly connected with a plurality of evenly distributed's grafting post 8, grafting post 8 is the cylinder iron plate, grafting post 8 and grafting groove 6 looks adaptation, go up casing 1 and casing 2 and inhale the concatenation mutually through grafting post 8 and magnetic path 7 down to screw thread through bolt and nut, the convenience is dismantled and is installed casing 1 and casing 2 down like this, and the later stage of being convenient for is maintained and is cleared up.

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 hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims

1. A heat dissipation casing for a lithium battery pack, comprising a lower casing (2), characterized in that: the utility model discloses a cleaning device, including casing (2) under, outer wall of casing (2) is provided with clearance mechanism (4), collection mechanism (5) and cooling body (3) respectively, clearance mechanism (4) are including clearance frame (401), clearance frame (401) fixed connection is in the middle of outer wall one side of casing (2) down, clearance frame (401) inside be close to one side fixedly connected with dust screen (402) of casing (2) down, the middle screw thread connection of outer wall one side of clearance frame (401) has safety cover (404), motor (405) of safety cover (404) internally mounted looks adaptation, the output of motor (405) runs through the inner wall fixedly connected with screw thread post (408) of clearance frame (401), clearance frame (401) inside with the one end middle fixedly connected with bearing (409) of motor (405) opposite face, the inner ring inner wall of bearing (409) with the one end outer wall of screw thread post (408) is fixed mutually, the outside screw thread connection of screw thread post (408) has brush board (406), clearance brush board (406) top and bottom sliding connection have inner wall (407) and sliding connection (407).

2. A heat dissipating housing for a lithium battery pack according to claim 1, wherein: the heat dissipation mechanism (3) comprises an air inlet hole (301), the air inlet hole (301) is formed in the middle of one side of the cleaning frame (401) on the outer wall of the lower shell (2), a plurality of evenly distributed air outlet holes (302) are formed in one side of the outer wall of the lower shell (2) opposite to the air inlet hole (301), and each air outlet hole (302) is internally provided with a matched heat dissipation fan (303).

3. A heat dissipating housing for a lithium battery pack according to claim 2, wherein: the air inlet hole (301) is rectangular, the air outlet hole (302) is circular, and a plurality of evenly distributed round holes are formed in one side, away from the air inlet hole (301), of the outer wall of the cleaning frame (401).

4. A heat dissipating housing for a lithium battery pack according to claim 1, wherein: the collection mechanism (5) comprises a collection frame (501), the collection frame (501) is installed at the bottom of the cleaning frame (401) and is integrally formed with the cleaning frame (401), a collection drawer (502) which is matched with the collection frame (501) is installed in the collection frame (501), communication holes (403) are formed in the top of the collection frame (501) and the bottom of the cleaning frame (401) respectively, and the cleaning frame (401), the collection frame (501) and the collection drawer (502) are sequentially communicated.

5. A heat dissipating housing for a lithium battery pack according to claim 1, wherein: the top of inferior valve body (2) is provided with casing (1), go up in the middle of the top of casing (1) and seted up wiring hole (11), standing groove (9) have been seted up respectively at the top both ends of last casing (1), standing groove (9) internally mounted has rotatable lifting handle (10).

6. A heat dissipation case for a lithium battery pack according to claim 5, wherein: the utility model discloses a lower casing (2) including casing, upper casing (1), lower casing (2), spliced groove (6) of a plurality of evenly distributed have been seted up around the top of casing (2) respectively, every the inside equal fixedly connected with looks adaptation of spliced groove (6) magnet (7), the bottom of upper casing (1) is fixedly connected with a plurality of evenly distributed's spliced pole (8) all around respectively, spliced pole (8) are the cylinder iron plate, spliced pole (8) with spliced groove (6) looks adaptation, upper casing (1) and lower casing (2) are inhaled the concatenation through spliced pole (8) and magnet (7) looks magnetism to carry out screw-thread through bolt and nut.