CN218069966U

CN218069966U - Lithium battery protection device

Info

Publication number: CN218069966U
Application number: CN202220858001.XU
Authority: CN
Inventors: 刘钢
Original assignee: Hunan Nuobang New Energy Technology Co ltd
Current assignee: Hunan Nuobang New Energy Technology Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-12-16
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a lithium battery protection device belongs to protection device technical field, and it includes the bottom plate, the surface top of bottom plate is provided with centre gripping protection heat abstractor, centre gripping protection heat abstractor includes U-shaped frame, centre gripping protective housing and heat radiation structure, the surface bottom of U-shaped frame and the surface top fixed connection of bottom plate, surface one side fixed mounting of U-shaped frame has driving motor, driving motor's output fixedly connected with threaded rod. This lithium battery protection device, through setting up centre gripping protection heat abstractor, drive under second gear pivoted effect at first gear for the second dwang can drive the flabellum body and rotate, and then can accelerate the peripheral air flow of protective housing, and then can cooperate the heat dissipation dust guard play effect of protective housing one side, and then improve the radiating effect of lithium cell, and then reduce the influence of protective housing to the radiating effect of lithium cell, improve the life of lithium cell.

Description

Lithium battery protection device

Technical Field

The utility model belongs to the technical field of the protection device, specifically be a lithium battery protection device.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ions, lithium ion batteries do not contain lithium in a metallic state and are rechargeable, and part of lithium batteries are matched with a protection device to be used together.

Protection device commonly used wraps up the lithium cell totally usually, such protection mode for the heat that the lithium cell produced in the use is by the protector separation when giving off, and then influences the normal heat dissipation of lithium cell, and long-term high temperature environment can lead to the life of lithium cell to shorten, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a lithium battery protection device has solved protection device commonly used and has wrapped up the lithium cell completely usually, such protection mode for the heat that the lithium cell produced in the use is by the protection device separation when giving off, and then influences the normal heat dissipation of lithium cell, and long-term high temperature environment can lead to the life of lithium cell to shorten very inconvenient problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery protection device, includes the bottom plate, the surface top of bottom plate is provided with centre gripping protection heat abstractor, centre gripping protection heat abstractor includes U-shaped frame, centre gripping protective housing and heat radiation structure, the surface bottom of U-shaped frame and the surface top fixed connection of bottom plate, surface one side fixed mounting of U-shaped frame has driving motor, driving motor's output fixedly connected with threaded rod, the both ends screw thread shape of threaded rod is opposite phase symmetrical arrangement, the surface symmetry threaded connection of threaded rod has two screw thread section of thick bamboo.

As a further aspect of the present invention: the thread barrel is characterized in that a rectangular plate is arranged on one side of the outer surface of the thread barrel, a dovetail slide block is fixedly connected to the bottom of the rectangular plate, a rectangular groove is formed in the bottom of the inner wall of the U-shaped frame, and the inner wall of the rectangular groove is connected with the outer surface of the dovetail slide block in a sliding mode.

As a further aspect of the present invention: one side of the threaded cylinder far away from the rectangular plate is fixedly connected with a first disc, the inner wall of the first disc is provided with a first round rod, and the first round rod is arranged on the inner wall of the rectangular plate.

As a further aspect of the present invention: the outer surface of the rectangular plate is fixedly connected with a rectangular block, a second round rod is arranged on the inner wall of the rectangular block, a circular hole is formed in the top of the outer surface of the bottom plate, and the size and the shape of the inner wall of the circular hole are matched with those of the outer surface of the second round rod.

As a further aspect of the present invention: the heat dissipation filter plate is characterized in that a connecting rod is fixedly connected to one side of the outer surface of the rectangular plate, one end of the connecting rod is fixedly connected with one side of the clamping protection shell, and the heat dissipation filter plate is arranged on one side of the clamping protection shell.

As a further aspect of the present invention: the heat radiation structure comprises a second disc and a first auxiliary rod, the second disc is fixedly connected with the threaded rod, the first auxiliary rod is arranged on the inner wall of the U-shaped frame, the two ends of the first auxiliary rod are fixedly connected with a third disc and a first gear respectively, and the inner walls of the third disc and the second disc are provided with the same third circular rod.

As a further aspect of the present invention: the outer surface top fixedly connected with mounting panel of bottom plate, the inner wall of mounting panel is provided with the second auxiliary rod, the both ends difference fixedly connected with second gear and the flabellum body of second auxiliary rod, the surface of first gear is connected with the surface meshing of second gear.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this lithium battery protection device, through setting up centre gripping protection heat abstractor, drive under second gear pivoted effect at first gear for the second dwang can drive the flabellum body and rotate, and then can accelerate the peripheral air flow of protective housing, and then can cooperate the heat dissipation dust guard play effect of protective housing one side, and then improve the radiating effect of lithium cell, and then reduce the influence of protective housing to the radiating effect of lithium cell, improve the life of lithium cell.

2. This lithium battery protection device through setting up threaded rod, a screw section of thick bamboo and rectangular plate for the threaded rod can drive a screw section of thick bamboo and do the relative motion, and then can drive the rectangular plate motion, and then can drive two centre gripping protective housing and move, when making centre gripping protective housing protect the lithium cell, can carry on spacingly to it, when needs are dismantled, only need make two centre gripping protective housing separation alright.

3. This lithium battery protection device through setting up second disc, third pole and third disc for the third pole can make second disc and third disc fixed, and then can make the threaded rod rotate alright rotate with driving second disc and third disc, and then can drive first gear and first auxiliary rod and rotate, and then drive second gear and second auxiliary rod and rotate, alright rotate with driving the flabellum body.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic three-dimensional structure of the bottom plate of the present invention;

FIG. 3 is a schematic three-dimensional structure of the U-shaped frame of the present invention;

fig. 4 is a three-dimensional structural schematic diagram of the clamping protective shell of the present invention;

in the figure: 1. a base plate; 2. clamping the protective heat sink; 21. a U-shaped frame; 22. a drive motor; 23. a threaded rod; 24. a threaded barrel; 25. a rectangular plate; 26. a rectangular groove; 27. a dovetail slide block; 28. a heat dissipation structure; 281. a second disc; 282. a first auxiliary lever; 283. a third disc; 284. a first gear; 285. a third round bar; 286. mounting a plate; 287. a second auxiliary lever; 288. a second gear; 289. a fan blade body; 29. a first disc; 210. a first round bar; 211. a rectangular block; 212. a second round bar; 213. a connecting rod; 214. clamping the protective shell; 215. a heat dissipation filter plate; 3. a circular hole.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a lithium battery protection device, comprising a base plate 1, the surface top of bottom plate 1 is provided with centre gripping protection heat abstractor 2, centre gripping protection heat abstractor 2 includes U-shaped frame 21, centre gripping protective housing 214 and heat radiation structure 28, the surface bottom of U-shaped frame 21 and the surface top fixed connection of bottom plate 1, through setting up centre gripping protective heat abstractor 2, make centre gripping protective housing 214 can carry out centre gripping and protection to the lithium cell, and then make things convenient for the dismouting, heat radiation structure 28 can accelerate the radiating effect of lithium cell, and then reduce centre gripping protective housing 214 to the radiating influence of lithium cell, surface one side fixed mounting of U-shaped frame 21 has driving motor 22, driving motor 22's output fixedly connected with threaded rod 23, the both ends screw thread shape of threaded rod 23 is opposite symmetry range, the surface symmetry screw thread connection of threaded rod 23 has two screw thread section of thick bamboo 24, through setting up threaded rod 23 and screw thread section of thick bamboo 24, make threaded rod 23 can rotate screw thread section of thick bamboo 24 or along screw thread 23 motion, and then cooperate other parts to play a role.

Specifically, as shown in fig. 3, a rectangular plate 25 is disposed on one side of the outer surface of the threaded cylinder 24, a dovetail slider 27 is fixedly connected to the bottom of the rectangular plate 25, a rectangular groove 26 is disposed at the bottom of the inner wall of the u-shaped frame 21, the inner wall of the rectangular groove 26 is slidably connected to the outer surface of the dovetail slider 27, by providing the dovetail slider 27, the rectangular plate 25 can be limited, and further the rectangular plate 25 can move along the rectangular groove 26, a first circular disc 29 is fixedly connected to one side of the threaded cylinder 24 away from the rectangular plate 25, the inner wall of the first circular disc 29 is provided with a first circular rod 210, the first circular rod 210 is disposed on the inner wall of the rectangular plate 25, by providing the first circular rod 210, the threaded cylinder 24 can be limited, and further the threaded cylinder 24 can move along the threaded rod 23, a rectangular block 211 is fixedly connected to one side of the outer surface of the rectangular plate 25, the inner wall of the rectangular block 211 is provided with a second circular rod 212, a circular hole 3 is disposed at the top of the outer surface of the bottom plate 1, the circular hole 3 is adapted to the size and the shape of the outer surface of the second circular rod 212, and a protective shell 213 is disposed on one side of the rectangular plate 213, and one side of the protective shell 213 is connected to one side of the rectangular plate 25.

Specifically, as shown in fig. 2 and fig. 3, the heat dissipating structure 28 includes a second disk 281 and a first auxiliary rod 282, the second disk 281 is fixedly connected to the threaded rod 23, the first auxiliary rod 282 is disposed on an inner wall of the U-shaped frame 21, two ends of the first auxiliary rod 282 are fixedly connected to a third disk 283 and a first gear 284 respectively, the same third rod 285 is disposed on inner walls of the third disk 283 and the second disk 281, the second disk 281 and the third disk 283 can be fixed by disposing the third rod 285, so that the threaded rod 23 can rotate to drive the fan blade body 289 to rotate, thereby achieving a transmission effect, a mounting plate 286 is fixedly connected to the top of the outer surface of the bottom plate 1, a second auxiliary rod 287 is disposed on an inner wall of the mounting plate 286, a second gear 289 and a fan blade body are fixedly connected to two ends of the second auxiliary rod 287, an outer surface of the first gear 284 is engaged with an outer surface of the second gear 288, and the first gear 284 and the second gear 288 are disposed to cooperate with the second disk 281 and the third disk 283 to achieve a transmission effect.

The utility model discloses a theory of operation does:

s1, when the lithium battery and the clamping protective shell 214 need to be disassembled, the driving motor 22 is started at the moment, so that the driving motor 22 drives the threaded rod 23 to rotate, the threaded cylinder 24 and the rectangular plate 25 can be driven to move, the dovetail sliding block 27 can be driven to move along the rectangular groove 26, and the disassembly is completed when the clamping protective shell 214 is separated from the lithium battery;

s2, when the lithium battery needs to be subjected to auxiliary heat dissipation, the first round rod 210 is separated from the rectangular plate 25, the second round rod 212 is fixed with the round hole 3, the third round rod 285 is fixed with the second round disk 281 and the third round disk 283, and the threaded rod 23 rotates to drive the second round disk 281 and the third round disk 283 to rotate;

s3, at this time, the first auxiliary lever 282 and the first gear 284 can be driven to rotate, and then the second gear 288 and the second auxiliary lever 287 can be driven to rotate, so as to drive the fan blade 289 to rotate, and further achieve the effect of accelerating heat dissipation.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A lithium battery protection device comprises a bottom plate (1), and is characterized in that: the utility model discloses a heat sink structure, including bottom plate (1), the surface top of bottom plate (1) is provided with centre gripping protection heat abstractor (2), centre gripping protection heat abstractor (2) include U-shaped frame (21), centre gripping protective housing (214) and heat radiation structure (28), the surface bottom of U-shaped frame (21) and the surface top fixed connection of bottom plate (1), surface one side fixed mounting of U-shaped frame (21) has driving motor (22), the output fixedly connected with threaded rod (23) of driving motor (22), the both ends screw thread shape of threaded rod (23) is opposite phase symmetrical and arranges, the surface symmetrical threaded connection of threaded rod (23) has two screw thread section of thick bamboo (24).

2. A lithium battery protection device according to claim 1, characterized in that: the thread roller is characterized in that a rectangular plate (25) is arranged on one side of the outer surface of the thread roller (24), a dovetail slide block (27) is fixedly connected to the bottom of the rectangular plate (25), a rectangular groove (26) is formed in the bottom of the inner wall of the U-shaped frame (21), and the inner wall of the rectangular groove (26) is in sliding connection with the outer surface of the dovetail slide block (27).

3. A lithium battery protection device according to claim 2, characterized in that: one side fixedly connected with first disc (29) that rectangular plate (25) were kept away from to screw thread section of thick bamboo (24), the inner wall of first disc (29) is provided with first round bar (210), first round bar (210) set up the inner wall at rectangular plate (25).

4. A lithium battery protection device according to claim 2, characterized in that: the outer surface one side fixedly connected with rectangular block (211) of rectangular plate (25), the inner wall of rectangular block (211) is provided with second round bar (212), circular port (3) have been seted up at the surface top of bottom plate (1), the outer surface size and the shape of the inner wall size and the shape looks adaptation of second round bar (212) of circular port (3).

5. A lithium battery protection device according to claim 2, characterized in that: the surface one side fixedly connected with connecting rod (213) of rectangular plate (25), the one end of connecting rod (213) and one side fixed connection of centre gripping protection casing (214), heat dissipation filter plate (215) have been seted up to one side of centre gripping protection casing (214).

6. A lithium battery protection device as claimed in claim 1, characterized in that: the heat dissipation structure (28) comprises a second disc (281) and a first auxiliary rod (282), the second disc (281) is fixedly connected with the threaded rod (23), the first auxiliary rod (282) is arranged on the inner wall of the U-shaped frame (21), two ends of the first auxiliary rod (282) are respectively fixedly connected with a third disc (283) and a first gear (284), and the inner walls of the third disc (283) and the second disc (281) are provided with the same third circular rod (285).

7. A lithium battery protection device as claimed in claim 6, characterized in that: the outer surface top fixedly connected with mounting panel (286) of bottom plate (1), the inner wall of mounting panel (286) is provided with second auxiliary rod (287), the both ends of second auxiliary rod (287) respectively fixedly connected with second gear (288) and flabellum body (289), the surface meshing of the surface of first gear (284) and second gear (288) is connected.