CN215644783U

CN215644783U - Lithium battery protection device

Info

Publication number: CN215644783U
Application number: CN202121882940.XU
Authority: CN
Inventors: 杨谚军
Original assignee: Heilongjiang Guoxintong Technology Information Industry Co ltd
Current assignee: Heilongjiang Guoxintong Technology Information Industry Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-25
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a lithium battery protection device, which relates to the technical field of lithium ion batteries and comprises a box body, wherein a protection cover is clamped on the upper surface of the box body, four fine adjustment components are arranged inside the protection cover, a groove is formed in the inner bottom wall of the box body, a pressure spring is fixedly connected to the inner bottom wall of the groove, a group of air guide holes are formed in the box body, the upper end of each air guide hole is communicated with the inside of a ventilation groove, a buffer mechanism is arranged inside the groove, and draught fans are arranged on the left side surface and the right side surface of the box body. The device has a reasonable design structure, the bottom and the upper part of the device have better buffering effects through the matching arrangement between the fine adjustment assembly and the buffering mechanism, the service life of the lithium battery is prolonged, and the heat dissipation effect in the device is better through the matching arrangement between the draught fan, the air guide groove, the ventilation groove and the air guide hole, so that the storage of the lithium battery is facilitated.

Description

Lithium battery protection device

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a lithium battery protection device.

Background

Lithium batteries refer to batteries containing lithium in an electrochemical system, and can be roughly classified into two types: lithium metal batteries, which are mostly non-rechargeable and contain lithium in a metallic state, and lithium ion batteries, which do not contain lithium in a metallic state and are rechargeable.

Protection device need be used in the storage of lithium cell, and the buffer capacity of the inside setting of current lithium cell protection device is not enough, has shortened the life of lithium cell, and lithium cell protection device's radiating effect is not good simultaneously, is unfavorable for the storage of lithium cell. Therefore, the lithium battery protection device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a lithium battery protection device.

II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lithium battery protection device, the power distribution box comprises a box body, the upper surface joint of box has the protective cover, the internally mounted of protective cover has four fine setting subassemblies, the interior diapire of box is seted up flutedly, the interior diapire fixedly connected with pressure spring of recess, the interior diapire of box is inlayed and is had the ventilation groove, and the inside of box has seted up a set of air guide hole, every the upper end of air guide hole all is linked together with the inside in ventilation groove, and the bottom of every air guide hole all is linked together with the recess, the internally mounted of recess has buffer gear, the draught fan is all installed to the left and right sides face of box, the equal fixedly connected with grid cover of the left and right sides face of box, and the position of two grid covers is corresponding with the position of two draught fans respectively, the equal fixedly connected with handle of the left and right sides face of box.

Further, the fine setting subassembly is including drawing the silo, draw the bottom surface that the silo seted up in the protective cover, draw the inside of silo and placed first spring, the bottom fixedly connected with of first spring links up the post, the bottom surface that links up the post runs through the inside that extends to the box, and links up the bottom surface fixedly connected with sheet rubber of post.

Further, the upper surface threaded connection of box has the threaded rod, the threaded rod runs through the upper surface of protective cover and extends to the inside of drawing the silo, draw the inside of silo and placed and support the board, the bottom surface of threaded rod is rotated with the upper surface that supports the board and is connected, and supports the bottom surface of board and the upper end fixed connection of first spring.

Further, buffer gear includes the piston, the surface of piston and the inner wall sliding connection of recess, the last fixed surface of piston is connected with a set of piston barrel, every the equal sliding connection in inside of piston barrel has the piston rod, every the equal fixedly connected with second spring in bottom surface of piston rod, every institute the bottom surface of second spring all is connected with the last fixed surface of piston, the layer board has been placed to the inside of box, every the top of piston rod all with the bottom surface fixed connection of layer board.

Furthermore, each piston rod is internally provided with an air guide groove, the upper end of each air guide groove penetrates through the supporting plate and is communicated with the inside of the box body, and the lower end of each air guide groove penetrates through the piston and is communicated with the inside of the groove.

The three beneficial effects are as follows:

compared with the prior art, this lithium cell protector possesses following beneficial effect:

according to the utility model, through the matching arrangement between the fine adjustment component and the buffer mechanism, the elasticity of the first spring can be adjusted through rotating the threaded rod, so that the buffer capacity of the fine adjustment component is adjusted, the application range of the device is enlarged, the buffer effect of the bottom and the upper part of the device is better, and the service life of the lithium battery is prolonged.

According to the utility model, through the matching arrangement of the draught fan, the air guide groove, the ventilation groove and the air guide hole, the support plate drives the piston rod to move towards the interior of the piston cylinder under the action of the gravity of the lithium battery, meanwhile, the piston moves downwards, and air in the air guide groove, the piston cylinder and the groove flows to the interior of the box body through the air guide hole and the ventilation groove, so that the air in the box body, the piston cylinder and the groove is communicated, and under the matching of the draught fan, the heat dissipation effect in the device is better, and the storage of the lithium battery is facilitated.

Drawings

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

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

FIG. 3 is a schematic view of a trim assembly according to the present invention;

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

In the figure: 1. a box body; 2. a protective cover; 3. a fine tuning component; 4. a groove; 5. a pressure spring; 6. a ventilation slot; 7. an air vent; 8. a buffer mechanism; 9. an induced draft fan; 10. a material drawing groove is formed; 11. a first spring; 12. connecting the column; 13. a rubber sheet; 14. a threaded rod; 15. a resisting plate; 16. a piston; 17. a piston cylinder; 18. a piston rod; 19. a second spring; 20. a support plate; 21. a gas guide groove; 22. a grid cover; 23. a handle.

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.

As shown in fig. 1 to 4, the present invention provides a technical solution: a lithium battery protection device comprises a box body 1, a protective cover 2 is clamped on the upper surface of the box body 1, four fine adjustment components 3 are arranged inside the protective cover 2, a groove 4 is formed in the inner bottom wall of the box body 1, a pressure spring 5 is fixedly connected to the inner bottom wall of the groove 4, a ventilation groove 6 is embedded in the inner bottom wall of the box body 1, and a group of air guide holes 7 are arranged inside the box body 1, the upper end of each air guide hole 7 is communicated with the inside of the ventilation groove 6, the bottom end of each air guide hole 7 is communicated with the groove 4, the inside of the groove 4 is provided with a buffer mechanism 8, the left side surface and the right side surface of the box body 1 are provided with induced draft fans 9, the models of the two induced draft fans 9 are both CYG060H, the left side surface and the right side surface of the box body 1 are fixedly connected with grid covers 22, the positions of the two grid covers 22 correspond to the positions of the two induced draft fans 9 respectively, and handles 23 are fixedly connected to the left side surface and the right side surface of the box body 1. The grid cover 22 is arranged to prevent the induced draft fan 9 from accidentally injuring operators, and the handle 23 is arranged to facilitate carrying of the device.

Foretell, fine setting subassembly 3 is including drawing the material groove 10, draws the material groove 10 to set up in the bottom surface of protective cover 2, draws the inside in material groove 10 to have placed first spring 11, and first spring 11's bottom fixedly connected with links up post 12, links up the inside that the bottom surface of post 12 runs through to extend to box 1, and links up the bottom surface fixedly connected with sheet rubber 13 of post 12. The upper part of the lithium battery is buffered, and the service life of the lithium battery is prolonged.

As described above, the threaded rod 14 is connected to the upper surface of the box body 1 through threads, the threaded rod 14 penetrates through the upper surface of the protective cover 2 and extends into the material taking groove 10, the abutting plate 15 is placed inside the material taking groove 10, the bottom surface of the threaded rod 14 is rotatably connected with the upper surface of the abutting plate 15, and the bottom surface of the abutting plate 15 is fixedly connected with the upper end of the first spring 11. The elasticity of the first spring 11 can be adjusted by rotating the threaded rod 14, so that the buffering capacity of the fine adjustment assembly 3 is adjusted, and the application range of the device is enlarged.

Foretell, buffer gear 8 includes piston 16, the surface of piston 16 and the inner wall sliding connection of recess 4, the last fixed surface of piston 16 is connected with a set of piston barrel 17, the equal sliding connection in inside of every piston barrel 17 has piston rod 18, the equal fixedly connected with second spring 19 in bottom surface of every piston rod 18, the bottom surface of every second spring 19 all with piston 16's last fixed surface be connected, layer board 20 has been placed to the inside of box 1, the top of every piston rod 18 all with layer board 20's bottom surface fixed connection. The bottom of the lithium battery is buffered, the bottom of the lithium battery is slowed down to buffer the bottom wall in the box body 1, and the service life of the lithium battery is prolonged better.

In the above, each piston rod 18 is provided with an air guide groove 21, an upper end of each air guide groove 21 penetrates the supporting plate 20 and is communicated with the inside of the box body 1, and a lower end of each air guide groove 21 penetrates the piston 16 and is communicated with the inside of the groove 4. The air inside the box body 1, the piston cylinder 17 and the groove 4 is communicated, and the heat dissipation effect of the bottom surface of the device is further improved.

The working principle is as follows: during the use, be linked together two draught fans 9 and power, arrange the inside of box 1 in with the lithium cell, layer board 20 drives piston rod 18 and removes to the inside of piston cylinder 17 under the effect of lithium cell gravity, piston 16 moves down simultaneously, air guide groove 21, piston cylinder 17 and the inside air of recess 4 flow to the inside of box 1 through air guide hole 7 and ventilation groove 6, make box 1, piston cylinder 17 and the inside air of recess 4 are linked together, under the cooperation of draught fan 9, make the radiating effect of the inside lithium cell of device better, with the bottom surface of protective cover 2 and the upper surface looks joint of box 1, play the cushioning effect to the upper portion of lithium cell, the life of extension lithium cell, accessible rotary threaded rod 14 drives offset 15 and moves down, adjust the elasticity of first spring 11, and then adjust the buffer capacity of fine setting subassembly 3, the application scope of increase device.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 lithium battery protection device, includes box (1), its characterized in that: the upper surface joint of box (1) has protective cover (2), the internally mounted of protective cover (2) has four fine setting subassemblies (3), the interior diapire of box (1) is seted up flutedly (4), the interior diapire fixedly connected with pressure spring (5) of recess (4), the interior diapire of box (1) is inlayed and is had ventilation groove (6), a set of air guide hole (7) has been seted up to the inside of box (1), every the upper end of air guide hole (7) all is linked together with the inside of ventilation groove (6), and the bottom of every air guide hole (7) all is linked together with recess (4), the internally mounted of recess (4) has buffer gear (8), draught fan (9) are all installed to the left and right sides face of box (1), the equal fixedly connected with grid cover (22) of the left and right sides face of box (1), and the position of two grid covers (22) is corresponding with the position of two draught fans (9) respectively, and the left side surface and the right side surface of the box body (1) are fixedly connected with handles (23).

2. A lithium battery protection device according to claim 1, characterized in that: fine setting subassembly (3) is including drawing silo (10), draw silo (10) and offer the bottom surface in protective cover (2), draw the inside of silo (10) and placed first spring (11), the bottom fixedly connected with of first spring (11) links up post (12), the bottom surface that links up post (12) runs through the inside that extends to box (1), and links up the bottom surface fixedly connected with sheet rubber (13) of post (12).

3. A lithium battery protection device according to claim 2, characterized in that: the upper surface threaded connection of box (1) has threaded rod (14), threaded rod (14) run through the upper surface of protective cover (2) and extend to the inside of drawing silo (10), draw the inside of silo (10) and placed and support board (15), the bottom surface of threaded rod (14) is connected with the upper surface rotation that supports board (15), and supports the bottom surface of board (15) and the upper end fixed connection of first spring (11).

4. A lithium battery protection device according to claim 1, characterized in that: buffer gear (8) include piston (16), the surface of piston (16) and the inner wall sliding connection of recess (4), the last fixed surface of piston (16) is connected with a set of piston section of thick bamboo (17), every the equal sliding connection in inside of piston section of thick bamboo (17) has piston rod (18), every the equal fixedly connected with second spring (19) in bottom surface of piston rod (18), every institute the bottom surface of second spring (19) all with the last fixed surface of piston (16) be connected, layer board (20) have been placed to the inside of box (1), every the top of piston rod (18) all with the bottom surface fixed connection of layer board (20).

5. The lithium battery protection device of claim 4, wherein: each piston rod (18) is internally provided with an air guide groove (21), the upper end of each air guide groove (21) penetrates through the supporting plate (20) and is communicated with the inside of the box body (1), and the lower end of each air guide groove (21) penetrates through the piston (16) and is communicated with the inside of the groove (4).