Lithium battery pack charging protection assembly

Abstract

The utility model discloses a lithium battery pack charging protection assembly, comprising a housing, a moving part arranged in the housing, and a protection part arranged in the housing. The moving part comprises sliding grooves formed in the two sides of the bottom in the shell correspondingly, sliding blocks arranged in the sliding grooves, inclined rods connected with the tops of the sliding blocks, a mounting plate connected with one ends of the inclined rods, a two-way screw rod connected with the sliding blocks and a first motor fixedly connected with one end of the two-way screw rod, and the two-way screw rod is in threaded connection with the sliding blocks. According to the utility model, through the arrangement of the shell and the moving part, the problems that when an existing protection assembly is used, heat dissipation can be facilitated by opening a side groove, and charging protection can be carried out on a lithium battery pack, but when a lithium battery is assembled and disassembled, the lithium battery pack is not convenient to carry out charging protection on the lithium battery pack can be solved. The lithium battery needs to be taken out from the shell, and the battery is relatively heavy and is relatively difficult to take out, so that the practicability is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field, concretely is a lithium battery pack charging protection subassembly. BACKGROUND

[0002] Lithium battery is divided into lithium battery and lithium ion battery, and mobile phones and notebook computers use lithium ion batteries, which are commonly known as lithium batteries. Batteries generally use materials containing lithium elements as electrodes, representing modern high-performance batteries. When using lithium batteries, multiple lithium batteries are usually required to form a lithium battery pack and then placed in a housing.

[0003] The existing patent CN217822982U discloses a lithium battery pack with a charging protection structure. The lithium battery pack with a charging protection structure is provided with a housing, a first cover plate, a second cover plate, side grooves on both sides of the housing, and an adjusting assembly. When charging the lithium battery pack, the adjusting assembly is adjusted to drive the second cover plate and the first cover plate to move, so that the second cover plate and the first cover plate no longer close the side grooves, allowing the lithium battery pack body in the housing to efficiently dissipate heat through the side grooves. Compared with the traditional heat dissipation through the heat dissipation holes, the heat dissipation effect is better.

[0004] Based on the above-mentioned patent search and combined with the protection assembly in the prior art, it is found that the above-mentioned protection assembly, while facilitating heat dissipation by opening the side grooves and providing charging protection for the lithium battery pack, requires the lithium battery to be removed from the housing when installing or dismounting the lithium battery. Since the battery is relatively heavy, it is relatively difficult to remove, thereby reducing the practicality. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a lithium battery pack charging protection assembly to solve the problem of the existing protection assembly in the above-mentioned background technology, which, while facilitating heat dissipation by opening the side grooves and providing charging protection for the lithium battery pack, requires the lithium battery to be removed from the housing when installing or dismounting the lithium battery. Since the battery is relatively heavy, it is relatively difficult to remove, thereby reducing the practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lithium battery pack charging protection assembly, comprising a housing, a moving part is arranged in the housing, and a protection part is arranged in the housing.

[0007] The moving part comprises a sliding groove respectively arranged on the two sides of the inner bottom of the shell, a sliding block arranged in the sliding groove, an inclined rod connected with the top of the sliding block, a mounting plate connected with one end of the inclined rod, a bidirectional screw connected with the sliding block, and a first motor fixedly connected with one end of the bidirectional screw, the bidirectional screw is screwed with the sliding block, the bidirectional screw is rotatably connected with the shell, the sliding block is slidably connected with the sliding groove, and the two ends of the inclined rod are respectively hinged with the sliding block and the mounting plate.

[0008] Preferably, the protection part comprises a first screw rod arranged on the two sides of the shell respectively, a driving block connected with the outer side of the first screw rod, a second motor fixedly connected with the top of the driving block, a heat dissipation leaf fixedly connected with the output end of the second motor, and a power component for rotating the first screw rod, the first screw rod is screwed with the driving block, and the first screw rod is rotatably connected with the shell.

[0009] Preferably, the power component comprises a driving wheel fixedly connected with the outer side of one of the first screw rods, a third motor fixedly connected with one end of one of the first screw rods, a driven wheel fixedly connected with the outer side of the other first screw rod, and a belt sleeved on the outer sides of the driving wheel and the driven wheel, and the driving wheel and the driven wheel are drivingly connected through the belt.

[0010] Preferably, the two sides of the shell are respectively fixedly connected with fixing rods, one side of the driving block is provided with a through hole, and the fixing rods are slidably connected with the through hole.

[0011] Preferably, the two sides of the shell are respectively provided with support grooves, support blocks are slidably connected in the support grooves, and the support blocks are fixedly connected with the mounting plate.

[0012] Preferably, the four peripheries of the shell are respectively fixedly connected with fixing plates, and the top of each fixing plate is provided with a fixing hole.

[0013] Preferably, the top of the shell is provided with a shell cover, the top of the shell cover is provided with a heat dissipation hole, and the two sides of the inner bottom of the shell are respectively provided with air inlets.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、Through the setting of the shell and the moving part, the first motor can drive the bidirectional screw to rotate, and then the two sliding blocks can move reversely, and then the inclined rod can drive the mounting plate to move vertically, the lithium battery can be fixed on the top of the mounting plate, the lithium battery can be moved vertically through the vertical movement of the mounting plate, the labor intensity of disassembling and assembling the lithium battery can be reduced, the disassembling and assembling efficiency of the lithium battery can be improved, and the practicability and efficiency can be greatly improved.

[0016] 2、By setting has the protection component, the third motor can drive the positive first screw rod and the driving wheel rotation, through the driven wheel can drive another first screw rod rotation, in turn can make two drive blocks synchronous movement, in turn can drive the heat dissipation leaf movement, the second motor can drive the heat dissipation leaf rotation, can quickly the heat in the shell dissipates, simultaneously because the heat dissipation leaf movement, can expand the heat dissipation range, can charge protection to the lithium battery, in turn can further improve the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The three-dimensional structure schematic diagram provided by the utility model;

[0018] Figure 2 The left view provided by the utility model;

[0019] Figure 3 The three-dimensional structure schematic diagram provided by the utility model; Figure 2 The three-dimensional sectional view of A-A;

[0020] Figure 4 The three-dimensional sectional view of B-B provided by the utility model; Figure 2 The three-dimensional sectional view of B-B provided by the utility model;

[0021] Figure 5 The front view provided by the utility model;

[0022] Figure 6 The three-dimensional structure schematic diagram provided by the utility model; Figure 5 The three-dimensional sectional view of C-C.

[0023] In the drawing: 1, shell; 21, sliding groove; 22, sliding block; 23, inclined rod; 24, mounting plate; 25, bidirectional screw rod; 26, first motor; 31, first screw rod; 32, drive block; 33, second motor; 34, heat dissipation leaf; 41, driving wheel; 42, third motor; 43, driven wheel; 44, belt; 51, fixed rod; 52, through port; 61, support groove; 62, support block; 71, fixed plate; 72, fixed hole; 81, shell cover; 82, heat dissipation hole; 83, air inlet. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figure 1 , Figure 2 and Figure 3The utility model provides a technical scheme: a lithium battery group charging protection subassembly, including casing 1, be equipped with moving part in casing 1, be equipped with protection part in casing 1, moving part includes respectively set up in the two sides of the bottom of casing 1's sliding slot 21, be equipped with the sliding block 22 in sliding slot 21, with the top of sliding block 22 is connected and leans the pole 23, with the installation board 24 of one end of leaning the pole 23 is connected, with the two -way screw rod 25 of sliding block 22 is connected and with the first motor 26 of one end fixed connection of two -way screw rod 25, two -way screw rod 25 with sliding block 22 is screwed, two -way screw rod 25 is rotatably connected with casing 1, sliding block 22 is connected with sliding slot 21 slidingly, the both ends of leaning the pole 23 are respectively hinged with sliding block 22 and installation board 24, lithium battery can be installed in the top of installation board 24, the first motor 26 can control two -way screw rod 25 rotation, two -way screw rod 25 rotation can control two sliding blocks 22 reverse movement, further can drive leaning the pole 23 and promote installation board 24 vertical movement, further can drive lithium battery vertical movement, can be convenient for to lithium battery dismounts, can reduce labour intensity, the both sides of casing 1 are respectively set up with support groove 61, support groove 61 is connected with support block 62 slidingly, support block 62 is fixedly connected with installation board 24, installation board 24 can drive moving block vertical movement, moving block can prevent installation board 24 when vertical movement is inclined, guarantee installation board 24 and lithium battery vertical movement stability, the periphery of casing 1 is respectively fixedly connected with fixed plate 71, and fixed plate 71 top is set up with fixed hole 72, can be convenient for to casing 1 installation fixed with fixed hole 72 and fixed plate 71, prevent casing 1 displacement.

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 、 Figure 6The protection component comprises first screws 31 arranged on both sides in the shell 1 respectively, a driving block 32 connected with the outer side of the first screw 31, a second motor 33 fixedly connected with the top of the driving block 32, a heat dissipation leaf 34 fixedly connected with the output end of the second motor 33, and a power component for rotating the first screw 31. The first screw 31 is screwed with the driving block 32, and the first screw 31 is rotatably connected with the shell 1. The two first screws 31 can drive the driving block 32 to move horizontally, and further drive the heat dissipation leaf 34 to move. The second motor 33 can drive the heat dissipation leaf 34 to rotate, so as to dissipate heat for the lithium battery in the shell 1, and protect the lithium battery from overcharging and damage. Meanwhile, since the heat dissipation leaf 34 can move, the heat dissipation range can be changed, the heat dissipation range is improved, the lithium battery can be rapidly cooled, and the power component comprises a driving wheel 41 fixedly connected with the outer side of one of the first screws 31, a third motor 42 fixedly connected with one end of one of the first screws 31, a driven wheel 43 fixedly connected with the outer side of the other first screw 31, and a belt 44 sleeved outside the driving wheel 41 and the driven wheel 43. The driving wheel 41 and the driven wheel 43 are drivingly connected through the belt 44. The third motor 42 and the driving wheel 41 are fixedly connected with the front first screw 31, and the driven wheel 43 is fixedly connected with the back first screw 31. The third motor 42 can drive the front first screw 31 and the driving wheel 41 to rotate, and through the belt 44, the driven wheel 43 and the back first screw 31 can be driven to rotate, so that the two driving blocks 32 can move synchronously, and the use cost is reduced.

[0027] Working principle: when working, the first motor 26 is started, the first motor 26 can drive the bidirectional screw 25 to rotate, the bidirectional screw 25 rotates and can make the two sliding blocks 22 move to the middle, the sliding block 22 moves and can drive the inclined rod 23 to move, the inclined rod 23 moves and can push the mounting plate 24 to move upwards, and then the mounting plate 24 can be moved out of the shell 1, the lithium battery can be installed and fixed, the first motor 26 is reversed and can drive the bidirectional screw 25 to rotate reversely, and then the mounting plate 24 can be moved downwards, the lithium battery is moved into the shell 1, then the shell cover 81 is fixed on the top of the shell 1, the second motor 33 is started, the second motor 33 can drive the heat dissipation leaf 34 to rotate, the heat generated during charging can be dissipated, the heat is discharged through the heat dissipation hole 82, the third motor 42 is started and can drive the front first screw 31 and the driving wheel 41 to rotate, the driving wheel 41 rotates and can drive the belt 44 and the driven wheel 43 to rotate, the driven wheel 43 rotates and can drive the back first screw 31 to rotate, the two first screws 31 rotate and can drive the driving block 32 to move horizontally, and then the heat dissipation leaf 34 can move horizontally, the heat dissipation range can be changed, the temperature of the shell 1 can be quickly reduced, and then the temperature of the lithium battery can be quickly reduced, so that the lithium battery is prevented from being damaged due to overheating during charging, the above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lithium battery pack charging protection assembly comprising a housing (1), characterized in that: The shell (1) is provided with a moving part, and the shell (1) is provided with a protection part. The moving part comprises a sliding groove (21) formed on the bottom of the shell (1) on both sides, a sliding block (22) arranged in the sliding groove (21), an inclined rod (23) connected to the top of the sliding block (22), an installation plate (24) connected to one end of the inclined rod (23), a bidirectional screw (25) connected to the sliding block (22), and a first motor (26) fixedly connected to one end of the bidirectional screw (25). The bidirectional screw (25) is screwed with the sliding block (22), the bidirectional screw (25) is rotatably connected with the shell (1), the sliding block (22) is slidably connected with the sliding groove (21), and the both ends of the inclined rod (23) are hingedly connected with the sliding block (22) and the installation plate (24) respectively.

2. A lithium battery pack charge protection assembly according to claim 1, wherein: The protection part comprises a first screw (31) arranged on both sides of the shell (1), a driving block (32) connected to the outer side of the first screw (31), a second motor (33) fixedly connected to the top of the driving block (32), a heat dissipation leaf (34) fixedly connected to the output end of the second motor (33), and a power component for rotating the first screw (31). The first screw (31) is screwed with the driving block (32), and the first screw (31) is rotatably connected with the shell (1).

3. A lithium battery pack charge protection assembly according to claim 2, wherein: The power component comprises a driving wheel (41) fixedly connected to the outer side of one of the first screws (31), a third motor (42) fixedly connected to one end of one of the first screws (31), a driven wheel (43) fixedly connected to the outer side of the other first screw (31), and a belt (44) sleeved on the outer sides of the driving wheel (41) and the driven wheel (43). The driving wheel (41) and the driven wheel (43) are drivingly connected through the belt (44).

4. A lithium battery pack charge protection assembly according to claim 2, wherein: The shell (1) is fixedly connected with a fixed rod (51) on both sides, a through hole (52) is formed on one side of the driving block (32), and the fixed rod (51) is slidably connected with the through hole (52).

5. A lithium battery pack charge protection assembly according to claim 1, wherein: Support grooves (61) are formed on both sides of the shell (1), support blocks (62) are slidably connected in the support grooves (61), and the support blocks (62) are fixedly connected with the installation plate (24).

6. A lithium battery pack charge protection assembly according to claim 1, wherein: Fixed plates (71) are fixedly connected around the shell (1), and fixed holes (72) are formed on the top of the fixed plates (71).

7. A lithium battery pack charge protection assembly according to claim 1, wherein: A shell cover (81) is arranged on the top of the shell (1), a heat dissipation hole (82) is formed on the top of the shell cover (81), and air inlets (83) are formed on both sides of the bottom of the shell (1).

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