CN220796880U - Battery protection board with locking mechanism - Google Patents

Abstract

The utility model discloses a battery protection plate with a locking mechanism, belonging to the technical field of battery protection plates, comprising a shell and a cover plate, a heat dissipation component is arranged below the battery main body; the heat dissipation component comprises a heat conducting plate and an annular heat conducting pipe, one end of the annular heat conducting pipe is arranged with a liquid inlet pipe, the other end of the annular heat conducting pipe is arranged with a liquid outlet pipe, one end of the liquid outlet pipe and one end of the liquid inlet pipe are both provided with caps, and a ventilation structure is arranged below the annular heat conducting pipe; the utility model can quickly dissipate the heat generated by the battery main body through the arrangement of the heat dissipation component, so that the temperature around the battery main body is kept balanced and will not rise, the heat generated by the battery main body is quickly transferred to the bottom of the heat conducting plate by using the heat conducting plate, and then the heat on the lower surface of the heat conducting plate is dispersed by using the annular heat conducting pipe, so as to increase the heat dissipation area and accelerate the heat dissipation from the ventilation structure.

Description

A battery protection plate with a locking mechanism

Technical Field

The utility model relates to the technical field of battery protection plates, in particular to a battery protection plate with a locking mechanism.

Background technique

In order to ensure the safety and stability of lithium-ion batteries, they are generally equipped with battery protection boards, which can protect lithium-ion batteries from overcharge, over-discharge, etc. When these situations occur, the battery protection board can cut off the power supply circuit in time to achieve protection. Batteries generate heat when in use, and long-term use will increase the temperature around the battery. However, some existing battery protection boards lack structures for heat dissipation of the battery, which can easily affect the service life of the battery.

For example, a Chinese patent with application number CN201921129238.9 discloses a battery protection board mounting structure, including a mounting seat, a battery protection board body and a locking body, the mounting seat including a base, the front and rear sides of the base are arranged as front and rear side panels, the four corners of the front and rear side panels are provided with positioning holes, the positioning holes include circular through holes, the interior of the circular through holes is provided with internal threads, the battery protection board body is located inside the mounting seat, the positions of the battery protection board body corresponding to the positioning holes are clamped with bridge-type clamps, the locking body includes a threaded rod, the threaded rod passes through the circular through hole into the interior of the mounting seat.

The battery protection plate in the above patent also has a structure that does not dissipate heat for the battery, which causes the continuous use of the battery to increase the surrounding temperature and affect the battery life. Therefore, we need to propose a battery protection plate with a locking mechanism.

Utility Model Content

The utility model aims to provide a battery protection plate with a locking mechanism, which has a structure for dissipating heat for the battery, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a battery protection plate with a locking mechanism, comprising a shell and a cover plate, a mounting assembly for mounting the shell and the cover plate is arranged between the shell and the cover plate, the cover plate is fixedly mounted on the upper end of the shell through the mounting assembly, a battery body is arranged inside the shell, locking assemblies for fixing the battery body are arranged between the two sides of the battery body and the inner walls of the two sides of the shell, and a heat dissipation assembly for dissipating heat from the battery body is arranged below the battery body;

The heat dissipation assembly includes a heat conducting plate arranged below the battery body, a ring-shaped heat conducting pipe is fittedly connected to the lower end of the heat conducting plate, a liquid inlet pipe is arranged at one end of the ring-shaped heat conducting pipe, a liquid outlet pipe is arranged at the other end of the ring-shaped heat conducting pipe, caps are arranged at one end of the liquid outlet pipe and one end of the liquid inlet pipe, a ventilation structure is arranged below the ring-shaped heat conducting pipe, and a positioning assembly is arranged between the ventilation structure and the heat conducting plate.

Preferably, the ventilation structure includes a dustproof net and a heat sink, the surface of the heat sink is provided with ventilation holes, the lower end of the dustproof net is fixedly mounted on the upper end of the heat sink, and the upper end of the heat sink is fixedly mounted on the bottom end of the shell.

Preferably, the positioning assembly includes positioning columns fixedly installed at the four corners of the upper end of the ventilation structure and positioning holes opened at the four corners of the upper end of the heat conduction plate. The positioning holes are arranged corresponding to the positioning columns, and the inner walls of the positioning holes are slidably connected to the surfaces of the positioning columns.

Preferably, the positioning assembly further comprises fixing rings arranged at the four corners of the upper end of the heat conducting plate, the fixing rings are adapted to the positioning column, and the interior of the fixing rings is threadedly connected to the surface of the positioning column.

Preferably, the locking assembly includes a fixing plate arranged on both sides of the battery body, a telescopic spring is arranged between one side of the fixing plate and the inner walls of both sides of the shell, and one side of the fixing plate is installed and fixed to the inner side of the shell through the telescopic spring.

Preferably, six groups of telescopic springs are provided, and the six groups of telescopic springs are evenly distributed between one side of the two groups of fixing plates and the inner walls on both sides of the shell.

Preferably, the mounting assembly includes a threaded tube fixedly mounted on the four corners of the inner wall of the shell and a mounting rod arranged above the cover plate, and the bottom end of the mounting rod passes through the cover plate and extends to the bottom of the cover plate to be threadedly connected to the inner wall of the threaded tube.

Preferably, the mounting assembly further comprises mounting holes opened at four corners of the cover plate surface, the mounting holes and the mounting rod are adapted to be arranged, and the bottom end of the mounting rod is plugged into the inner cavity of the mounting hole.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model can quickly dissipate the heat generated by the battery body through the arrangement of the heat dissipation component, so that the temperature around the battery body can be kept balanced and will not rise, and the heat generated by the battery body can be quickly transferred to the bottom of the heat conduction plate by using the heat conduction plate, and then the heat on the lower surface of the heat conduction plate is dispersed by using the annular heat conduction pipe, thereby increasing the area of heat dissipation and accelerating the heat dissipation from the ventilation structure. Through the coordinated use of the liquid inlet pipe, the liquid outlet pipe and the cap, coolant can be input into the inside of the annular heat conduction pipe to accelerate the heat dissipation of the annular heat conduction pipe.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a schematic diagram of a three-dimensional unfolded structure of the utility model;

FIG3 is a schematic diagram of the unfolded three-dimensional structure of the heat conducting plate of the utility model;

FIG4 is a schematic diagram of the unfolded three-dimensional structure of the heat dissipation structure of the utility model;

FIG. 5 is a schematic diagram of the top view of the heat dissipation assembly of the present invention.

In the figure: 1. Shell; 2. Cover plate; 3. Ventilation structure; 301. Dustproof net; 302. Heat sink; 303. Ventilation hole; 4. Mounting rod; 5. Cover cap; 6. Mounting hole; 7. Insulation pad; 8. Battery body; 9. Threaded tube; 10. Fixing plate; 11. Telescopic spring; 12. Fixing ring; 13. Positioning hole; 14. Heat conduction plate; 15. Positioning column; 16. Liquid outlet pipe; 17. Liquid inlet pipe; 18. Annular heat conduction pipe.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-5. The utility model provides a technical solution: a battery protection plate with a locking mechanism, including a shell body 1 and a cover plate 2, a mounting assembly for mounting the shell body 1 and the cover plate 2 is arranged between the shell body 1 and the cover plate 2, and the cover plate 2 is fixedly mounted on the upper end of the shell body 1 through the mounting assembly; the mounting assembly includes a threaded tube 9 fixedly mounted on the four corners of the inner wall of the shell body 1 and a mounting rod 4 arranged above the cover plate 2, the bottom end of the mounting rod 4 passes through the cover plate 2 and extends to the bottom of the cover plate 2 and is threadedly connected to the inner wall of the threaded tube 9; the mounting assembly also includes mounting holes 6 opened at the four corners of the surface of the cover plate 2, the mounting holes 6 are adapted to the mounting rod 4, and the bottom end of the mounting rod 4 is plugged into the inner cavity of the mounting hole 6.

Specifically, by setting the mounting assembly, the cover plate 2 can be installed and fixed on the top of the shell 1. When installing the cover plate 2, the user can fit the cover plate 2 on the top of the shell 1, and then pass the mounting rod 4 through the mounting hole 6 on the surface of the cover plate 2 and tighten the mounting rod 4. The rotation of the mounting rod 4 will cause the bottom end of the mounting rod 4 to pass through the mounting hole 6 on the surface of the cover plate 2 and extend to the bottom of the cover plate 2 and be threadedly connected to the inner wall of the threaded tube 9, thereby achieving the purpose of locking and fixing the cover plate 2 to the top of the shell 1. The lower end of the cover plate 2 is fixedly installed with an insulating pad 7, which can squeeze and fix the battery body 8 to protect the battery body 8 and avoid leaving gaps for it to shake and be damaged.

Preferably, a battery body 8 is provided inside the shell 1, and a locking assembly for fixing the battery body 8 is provided between the two sides of the battery body 8 and the inner walls of the shell 1 on both sides; the locking assembly includes a fixing plate 10 provided on both sides of the battery body 8, and a telescopic spring 11 is provided between one side of the fixing plate 10 and the inner walls of the shell 1 on both sides, and one side of the fixing plate 10 is fixed to the inner side of the shell 1 through the telescopic spring 11; six groups of telescopic springs 11 are provided, and the six groups of telescopic springs 11 are evenly distributed between one side of the two groups of fixing plates 10 and the inner walls of the shell 1 on both sides. By setting the locking assembly, it can be To fix the battery main body 8, first put one side of the battery main body 8 into the shell 1, squeeze the fixing plate 10 fixedly installed on one side of the shell 1, and the fixing plate 10 squeezes the telescopic spring 11. Then, move another set of fixing plates 10 and telescopic springs 11, and then put the battery main body 8 between the two sets of locking components, release the squeezed telescopic springs 11 and fixing plates 10, and the telescopic springs 11 will rebound due to the force applied to them, and fix the fixing plates 10 on both sides of the battery main body 8. An insulating cushion is fixedly installed on one side of the fixing plate 10 facing the battery main body 8 to protect the battery main body 8 and avoid damage.

Preferably, a heat dissipation component for dissipating heat from the battery body 8 is provided below the battery body 8; the heat dissipation component includes a heat conducting plate 14 provided below the battery body 8, a ring-shaped heat conducting pipe 18 is fittedly connected to the lower end of the heat conducting plate 14, a liquid inlet pipe 17 is provided at one end of the ring-shaped heat conducting pipe 18, a liquid outlet pipe 16 is provided at the other end of the ring-shaped heat conducting pipe 18, a cap 5 is provided at one end of the liquid outlet pipe 16 and one end of the liquid inlet pipe 17, a ventilation structure 3 is provided below the ring-shaped heat conducting pipe 18; the ventilation structure 3 includes a dustproof net 301 and a heat dissipation plate 302, ventilation holes 303 are provided on the surface of the heat dissipation plate 302, the lower end of the dustproof net 301 is fixedly mounted on the upper end of the heat dissipation plate 302, and the upper end of the heat dissipation plate 302 is fixedly mounted on the bottom end of the shell 1.

Specifically, through the setting of the heat dissipation component, the heat generated by the battery body 8 can be quickly dissipated, so that the temperature around the battery body 8 can be kept balanced and will not rise. The heat generated by the battery body 8 can be quickly transferred to the bottom of the heat conducting plate 14 by using the heat conducting plate 14, and then the annular heat conducting pipe 18 is used to disperse the heat on the lower surface of the heat conducting plate 14 to increase the area of heat dissipation, which can accelerate the heat dissipation from the ventilation structure 3. Through the coordinated use of the liquid inlet pipe 17, the liquid outlet pipe 16 and the cap 5, the coolant can be input into the annular heat conducting pipe 18 to accelerate the heat dissipation of the annular heat conducting pipe 18. Through the coordinated use of the heat dissipation plate 302 and the ventilation hole 303, the heat absorbed by the heat conducting plate 14 and the annular heat conducting pipe 18 can be quickly dissipated, so that the temperature on the surface of the battery body 8 can be reduced. Through the setting of the dustproof net 301, the interior of the shell 1 can be isolated from the outside to prevent dust containing metal powder from entering the interior of the shell 1 and causing damage to the battery body 8.

Preferably, a positioning assembly is provided between the ventilation structure 3 and the heat conducting plate 14; the positioning assembly includes positioning columns 15 fixedly installed at the four corners of the upper end of the ventilation structure 3 and positioning holes 13 opened at the four corners of the upper end of the heat conducting plate 14, the positioning holes 13 and the positioning columns 15 are arranged correspondingly, and the inner wall of the positioning hole 13 is slidably connected with the surface of the positioning column 15; the positioning assembly also includes a fixing ring 12 arranged at the four corners of the upper end of the heat conducting plate 14, the fixing ring 12 and the positioning column 15 are adapted to be arranged, and the interior of the fixing ring 12 is threadedly connected with the surface of the positioning column 15. Through the setting of the positioning assembly, the heat conducting plate 14 can be fixed to the upper end of the ventilation structure 3, the positioning holes 13 at the four corners of the surface of the heat conducting plate 14 are aligned with the positioning columns 15 at the four corners of the upper end of the ventilation structure 3, the heat conducting plate 14 is pressed, the positioning columns 15 are allowed to pass through the positioning holes 13, and then the fixing ring 12 is fixed to the upper end of the positioning column 15 to reinforce and restrict the heat conducting plate 14.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A battery protection plate with a locking mechanism, comprising a shell (1) and a cover plate (2), wherein a mounting assembly for mounting the shell (1) and the cover plate (2) is arranged between the shell (1) and the cover plate (2), and the cover plate (2) is fixedly mounted on the upper end of the shell (1) through the mounting assembly, characterized in that: a battery body (8) is arranged inside the shell (1), locking assemblies for fixing the battery body (8) are arranged between the two sides of the battery body (8) and the inner walls of the two sides of the shell (1), and a heat dissipation assembly for dissipating heat from the battery body (8) is arranged below the battery body (8); The heat dissipation component comprises a heat conducting plate (14) arranged below the battery body (8); the lower end of the heat conducting plate (14) is fittedly connected with an annular heat conducting pipe (18); one end of the annular heat conducting pipe (18) is provided with a liquid inlet pipe (17); the other end of the annular heat conducting pipe (18) is provided with a liquid outlet pipe (16); one end of the liquid outlet pipe (16) and one end of the liquid inlet pipe (17) are both provided with a cap (5); a ventilation structure (3) is provided below the annular heat conducting pipe (18); and a positioning component is provided between the ventilation structure (3) and the heat conducting plate (14). 2. A battery protection plate with a locking mechanism according to claim 1, characterized in that: the ventilation structure (3) comprises a dustproof net (301) and a heat sink (302), the surface of the heat sink (302) is provided with ventilation holes (303), the lower end of the dustproof net (301) is fixedly mounted on the upper end of the heat sink (302), and the upper end of the heat sink (302) is fixedly mounted on the bottom end of the shell (1). 3. A battery protection plate with a locking mechanism according to claim 1, characterized in that: the positioning component includes positioning columns (15) fixedly installed at the four corners of the upper end of the ventilation structure (3) and positioning holes (13) opened at the four corners of the upper end of the heat conducting plate (14), the positioning holes (13) and the positioning columns (15) are arranged correspondingly, and the inner wall of the positioning hole (13) is slidably connected to the surface of the positioning column (15). 4. A battery protection plate with a locking mechanism according to claim 3, characterized in that: the positioning assembly also includes a fixing ring (12) arranged at the four corners of the upper end of the heat conducting plate (14), the fixing ring (12) and the positioning column (15) are adapted to be arranged, and the interior of the fixing ring (12) is threadedly connected to the surface of the positioning column (15). 5. A battery protection plate with a locking mechanism according to claim 1, characterized in that: the locking assembly includes a fixing plate (10) arranged on both sides of the battery body (8), a telescopic spring (11) is arranged between one side of the fixing plate (10) and the inner walls of both sides of the shell (1), and one side of the fixing plate (10) is installed and fixed to the inner side of the shell (1) through the telescopic spring (11). 6. A battery protection plate with a locking mechanism according to claim 5, characterized in that: the telescopic springs (11) are provided in six groups, and the six groups of telescopic springs (11) are evenly distributed between one side of the two groups of fixed plates (10) and the inner walls on both sides of the shell (1). 7. A battery protection plate with a locking mechanism according to claim 1, characterized in that: the mounting assembly comprises a threaded tube (9) fixedly mounted on the four corners of the inner wall of the shell (1) and a mounting rod (4) arranged above the cover plate (2), the bottom end of the mounting rod (4) passes through the cover plate (2) and extends to the bottom of the cover plate (2) to be threadedly connected to the inner wall of the threaded tube (9). 8. A battery protection plate with a locking mechanism according to claim 7, characterized in that: the mounting assembly also includes mounting holes (6) opened at four corners of the surface of the cover plate (2), the mounting holes (6) and the mounting rod (4) are adapted to be arranged, and the bottom end of the mounting rod (4) is plugged into the inner cavity of the mounting hole (6).