Protection device for BMS battery

Abstract

The utility model relates to the field of BMS (Battery Management System) batteries, in particular to a protection device for a BMS battery, and provides the following scheme aiming at the defects that in the prior art, the protectiveness of the battery is poor, and the battery is easy to damage. The placing groove is formed in the top of the shell, and the bottom of the shell is fixedly connected with a bottom plate; the rotating shaft is rotationally connected to the top of the shell, and a cover plate is fixedly connected to the rotating shaft; the observation window is arranged on one side of the cover plate, and one side of the cover plate is fixedly connected with a bolt; the inserting groove is formed in one side of the bottom plate, and two springs are fixedly connected to the top of the bottom plate; and the fixing assembly is fixedly connected to the tops of the two springs, the fixing assembly comprises a buffer plate fixedly connected to the tops of the two springs, and the top of the shell is slidably connected with a fixing cover, so that the protection of the battery can be improved, and the battery can be prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The application relates to the field of BMS batteries, in particular to a protection device for a BMS battery. BACKGROUND

[0002] The BMS battery system is commonly known as a battery guardian or a battery caretaker, which is mainly used for intelligently managing and maintaining various battery units, preventing overcharging and overdischarging of the battery, prolonging the service life of the battery, and monitoring the state of the battery.

[0003] The patent document with the publication number CN217387421U discloses a protection device for a BMS battery, which comprises a box body, a support plate is horizontally arranged at the middle position inside the box body, and a BMS battery is placed on the surface of the support plate, first protection shells are arranged on the left and right sides of the inside of the box body, a first fixing plate is vertically arranged on the side surface of the first protection shell, the first fixing plate is made of sponge plate material, and the left and right sides of the BMS battery are clamped and protected by the first fixing plate, a second protection shell is arranged at the top of the outside of the box body, a second fixing plate is horizontally arranged at the bottom end of the second protection shell, and the second fixing plate is made of sponge plate material, and the top end of the BMS battery is clamped and protected by the second fixing plate; compared with the prior art, the beneficial effects of the utility model are that the BMS battery is protected in all aspects by the first fixing plate and the second fixing plate, and the problem of incomplete protection of the BMS battery during transportation and damage of the BMS battery in the prior art is solved.

[0004] However, the protection device for the BMS battery has the disadvantage of poor protection of the battery, which leads to easy damage of the battery, and therefore the protection device for the BMS battery is proposed to solve the above problems. SUMMARY

[0005] The utility model aims at solving the prior art that the protection of the battery is poor, which leads to the disadvantage of easy damage of the battery, and proposes a protection device for a BMS battery.

[0006] The protection device for the BMS battery provided by the application adopts the following technical scheme:

[0007] A protection device for a BMS battery comprises:

[0008] A shell;

[0009] A placing groove is arranged on the top of the shell, and a bottom plate is fixedly connected to the bottom of the shell;

[0010] A rotating shaft is rotatably connected to the top of the shell, and a cover plate is fixedly connected to the rotating shaft;

[0011] An observation window is arranged on one side of the cover plate, and a latch is fixedly connected to one side of the cover plate;

[0012] A slot is arranged on one side of the bottom plate, and two springs are fixedly connected to the top of the bottom plate;

[0013] A fixing assembly is fixedly connected to the top of the two springs.

[0014] Further, the fixing assembly includes a same buffer plate fixedly connected to the top of the two springs, and a fixing cover is slidingly connected to the top of the shell, and a push block is fixedly connected to one side of the fixing cover.

[0015] Further, a through slot is arranged on one side of the shell, and a box body is fixedly connected in the through slot.

[0016] Further, an electric motor is fixedly connected to the inner wall of one side of the box body, and a bidirectional threaded rod is fixedly connected to the output shaft of the electric motor.

[0017] Further, two threaded sleeves are threadedly connected to the bidirectional threaded rod, and a connecting block is fixedly connected to one side of each of the two threaded sleeves.

[0018] Further, two sliding grooves are arranged in the inner wall of the placement slot, and the two connecting blocks are fixedly connected in the two sliding grooves, respectively.

[0019] Further, a clamping plate is fixedly connected to one side of each of the two connecting blocks, and a damping plate is arranged on one side of each of the two clamping plates.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] 1. The present scheme can improve the protection of the battery, so as to avoid damage to the battery. The electric motor drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the two threaded sleeves to move, the two threaded sleeves respectively drive the two connecting blocks to move, the two connecting blocks respectively slide in the two sliding grooves, the two connecting blocks respectively drive the two clamping plates to move, the two clamping plates respectively drive the two damping plates to move, and the two damping plates clamp the two sides of the battery, so that the battery is fixed in the shell, and good protection effect of the battery can be achieved.

[0022] 2. The present scheme can buffer the bottom of the battery. The battery is placed in the placement slot, the bottom of the battery contacts the top of the buffer plate, the two springs are compressed, the damper arranged in each of the two springs can buffer the battery, so as to avoid damage to the battery due to bumping, and then the fixing cover is closed by the push block, so that the battery is protected in the shell. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1is a perspective view of a protection device for a BMS battery in Embodiment One of the present application;

[0024] Figure 2 is a front view of a protection device for a BMS battery in Embodiment One of the present application;

[0025] Figure 3 is a side view of a protection device for a BMS battery in Embodiment One of the present application;

[0026] Figure 4 is a box section view of a protection device for a BMS battery in Embodiment One of the present application.

[0027] Reference signs: 1, shell; 2, placing groove; 3, bottom plate; 4, rotating shaft; 5, cover plate; 6, observation window; 7, bolt; 8, insertion slot; 9, spring; 10, buffer plate; 11, fixed cover; 12, push block; 13, box; 14, motor; 15, bidirectional threaded rod; 16, threaded sleeve; 17, clamping plate; 18, sliding groove; 19, damping plate; 20, through groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0029] Embodiment One

[0030] With reference to Figures 1-4 A protection device for a BMS battery comprises:

[0031] The shell 1;

[0032] The placing groove 2 is opened in the top of the shell 1, and the bottom of the shell 1 is fixedly connected with the bottom plate 3;

[0033] The rotating shaft 4 is rotatably connected to the top of the shell 1, and the cover plate 5 is fixedly connected to the rotating shaft 4;

[0034] The observation window 6 is arranged on one side of the cover plate 5, and the cover plate 5 is fixedly connected with the bolt 7 on one side;

[0035] The insertion slot 8 is opened in one side of the bottom plate 3, and the top of the bottom plate 3 is fixedly connected with two springs 9;

[0036] The fixed assembly is fixedly connected to the top of the two springs 9.

[0037] Specifically, the fixing assembly comprises a same buffer plate 10 fixedly connected to the top of the two springs 9, and a fixing cover 11 slidably connected to the top of the shell 1, and the fixing cover 11 is fixedly connected with a push block 12 on one side.

[0038] Specifically, a through slot 20 is formed in one side of the shell 1, and a box body 13 is fixedly connected in the through slot 20.

[0039] Specifically, an electric motor 14 is fixedly connected to the inner wall of one side of the box body 13, and the output shaft of the electric motor 14 is fixedly connected with a bidirectional threaded rod 15.

[0040] Specifically, two threaded sleeves 16 are threadedly connected to the bidirectional threaded rod 15, and the two threaded sleeves 16 are fixedly connected with a connecting block on one side.

[0041] Specifically, two sliding grooves 18 are formed in the inner wall of the placing groove 2, and the two connecting blocks are fixedly connected in the two sliding grooves 18, respectively.

[0042] Specifically, a clamping plate 17 is fixedly connected to one side of each of the two connecting blocks, and a damping plate 19 is arranged on one side of each of the two clamping plates 17.

[0043] The implementation principle of the protection device for the BMS battery according to the embodiment is as follows: first, the fixing cover 11 is opened by the push block 12, so that the placing groove 2 is exposed, and then the battery is placed in the placing groove 2, and the bottom of the battery contacts the top of the buffer plate 10, so that the two springs 9 are compressed, and the dampers arranged in the two springs 9 enable the battery to have a damping effect, thereby avoiding damage to the battery due to bumps, and then the fixing cover 11 is closed by the push block 12, so that the battery is protected inside the shell 1, and then the electric motor 14 is started, the electric motor 14 drives the bidirectional threaded rod 15 to rotate, the bidirectional threaded rod 15 drives the two threaded sleeves 16 to move, the two threaded sleeves 16 respectively drive the two connecting blocks to move, the two connecting blocks respectively slide in the two sliding grooves 18, the two connecting blocks respectively drive the two clamping plates 17 to move, the two clamping plates 17 respectively drive the two damping plates 19 to move, and the two damping plates 19 clamp the two sides of the battery, so that the battery is fixed inside the shell 1, thereby achieving a good protection effect on the battery, and then the cover plate 5 is manually closed, so that the latch 7 on the cover plate 5 is inserted into the slot 8, and then the state of the battery is observed through the observation window 6, so that the battery can be found in time when it is damaged.

[0044] Embodiment two

[0045] The difference between the embodiment and the embodiment one is that two second through slots are formed in one side of the shell 1, and fans are fixedly connected in the two second through slots, respectively, and air vents are fixedly connected to the inner walls of the two second through slots, and when the battery is working, the two fans are started, the two fans dissipate the heat generated by the battery, and a good heat dissipation effect can be achieved.

[0046] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A protection device for a BMS battery, characterized in that: Include: The shell (1); The placing groove (2) is opened in the top of the shell (1), and the bottom of the shell (1) is fixedly connected with the bottom plate (3); The rotating shaft (4) is rotatably connected to the top of the shell (1), and the rotating shaft (4) is fixedly connected with the cover plate (5); The observation window (6) is arranged on one side of the cover plate (5), and the cover plate (5) is fixedly connected with the latch (7) on one side; The slot (8) is opened in one side of the bottom plate (3), and the top of the bottom plate (3) is fixedly connected with two springs (9); The fixing assembly is fixedly connected to the top of the two springs (9).

2. A protection device for BMS battery according to claim 1, characterized in that: The fixing assembly includes the same buffer plate (10) fixedly connected to the top of the two springs (9), and the top of the shell (1) is slidably connected with the fixed cover (11), and one side of the fixed cover (11) is fixedly connected with the push block (12).

3. A protection device for BMS battery according to claim 2, characterized in that: The shell (1) is provided with a through groove (20) on one side, and the through groove (20) is fixedly connected with the box (13).

4. A protection device for a BMS battery according to claim 3, characterized in that: The inner wall of one side of the box (13) is fixedly connected with the motor (14), and the output shaft of the motor (14) is fixedly connected with the bidirectional screw rod (15).

5. A protection device for BMS battery as claimed in claim 4 wherein: The bidirectional screw rod (15) is threadedly connected with two threaded sleeves (16), and one side of the two threaded sleeves (16) is fixedly connected with the connecting block.

6. A protection device for a BMS battery according to claim 5, characterized in that: The inner wall of the placing groove (2) is provided with two sliding grooves (18), and the two connecting blocks are fixedly connected in the two sliding grooves (18) respectively.

7. A protection device for a BMS battery according to claim 6, characterized in that: One side of the two connecting blocks is fixedly connected with the clamping plate (17), and one side of the two clamping plates (17) is provided with the damping plate (19).

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