CN221041700U

CN221041700U - Lithium battery charging and discharging protection board

Info

Publication number: CN221041700U
Application number: CN202322804030.5U
Authority: CN
Inventors: 龙腾九; 刘经华; 苏昊
Original assignee: Hunan Gce Technology Co ltd
Current assignee: Hunan Gce Technology Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-05-28
Anticipated expiration: 2033-10-19

Abstract

The utility model discloses a lithium battery charging and discharging protection board, and relates to the technical field of electric elements. The anti-loosening device comprises a protection board body, wherein a socket is formed in the front surface of the protection board body, a contact pin is arranged on the inner wall of the socket, a flat cable connector is movably inserted into the inner wall of the socket, the contact pin is electrically connected with the flat cable connector, an anti-loosening component for limiting the flat cable connector is arranged on the surface of the protection board body, a pushing component for assisting the flat cable connector to separate from the inner wall of the socket is arranged in the protection board body, a manual control component for controlling the pushing component to operate is further arranged on the surface of the protection board body, a connecting wire is fixedly connected to the rear end of the protection board body, the situation that effective limiting is conveniently carried out on a connection position of the protection board is realized in use, the situation that the connection position is separated is avoided, and therefore normal use of the protection board is guaranteed, and the anti-loosening device is quite convenient in disassembly.

Description

Lithium battery charging and discharging protection board

Technical Field

The utility model relates to the technical field of electrical elements, in particular to a lithium battery charging and discharging protection board.

Background

The lithium battery protection board is used for protecting the charge and discharge of the series lithium battery pack, when the battery pack is fully charged, the voltage difference between the single batteries can be ensured to be smaller than a set value, the single batteries of the battery pack are uniformly charged, the charging effect in a series charging mode is effectively improved, overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of the single batteries in the battery pack are detected, the service life of the battery is protected and prolonged, and the undervoltage protection enables each single battery to avoid damage caused by overdischarge when the battery is discharged and used.

The charging and discharging protection board of the lithium battery pack is connected with the lithium battery pack in a wire arrangement mode when in use, the wiring end of the wire arrangement is connected with the lithium battery pack in a tin soldering mode, the output end of the wire arrangement is connected with the input end of the protection board in a plugging mode, and the situation of unstable connection can occur under the condition of long-time use of the plugging mode. For the connection stability of protection shield and winding displacement, some staff can be in the junction to beat the stability of junction with fixed glue, but the inconvenient follow-up dismantlement of mode of fixed glue connection overhauls, brings the trouble for the staff. In addition, in the use, the condition of connecting clamping stagnation between the flat cable and the protection board can also appear, and the flat cable joint needs to be drawn by force at this moment, and the flat cable joint can possibly be caused to bend and damage.

For this purpose, a lithium battery charge-discharge protection plate is proposed.

Disclosure of utility model

The utility model aims at: in order to solve the problems mentioned in the background art, the utility model provides a lithium battery charging and discharging protection plate.

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a lithium cell charge and discharge protection shield, includes the protection shield body, the socket has been seted up to the front of protection shield body, the inner wall of socket is provided with the contact pin, socket inner wall activity grafting has the winding displacement to connect, and contact pin and winding displacement to connect electric connection, the surface of protection shield body is provided with and is used for spacing locking the moving subassembly to the winding displacement to connect, the inside of protection shield body is provided with the promotion subassembly that is used for assisting the winding displacement to connect to break away from the socket inner wall, protection shield body surface still is provided with the manual control subassembly that is used for controlling the operation of promotion subassembly, the rear end fixedly connected with connecting wire of protection shield body.

Further, locking subassembly that moves includes the mounting box, and mounting box and protection shield body top surface fixed connection, the counterpoint groove has been seted up in the front of mounting box, the top surface fixedly connected with inserted block of winding displacement joint, and the surface and the activity of counterpoint inslot wall are pegged graft, the mounting groove has been seted up at the top surface middle part of mounting box, movable grafting has the reference column between mounting groove inslot wall and the counterpoint groove, and the tip and the activity of inserted block grafting of reference column, the one end fixedly connected with shifting block of reference column, the fixed surface of shifting block is connected with the spring, and the tip and the inner wall fixed connection of mounting groove of spring.

Further, the pushing assembly comprises an installation cavity, the installation cavity is formed in the protection plate body, a threaded column is longitudinally installed on the inner wall of the installation cavity in a rotating mode, a supporting frame is connected to the surface of the threaded column in a threaded mode, and the surface of the supporting frame is movably connected with the protection plate body in an inserting mode.

Further, the manual control assembly comprises a worm, the worm is rotationally connected with the inner wall of the installation cavity, the left end of the worm is fixedly connected with a rotary table, the surface of the threaded column is fixedly sleeved with a worm wheel, and the worm wheel is meshed with the worm.

Further, the number of the alignment grooves, the positioning columns, the shifting blocks, the springs, the mounting grooves and the inserting blocks is two.

Further, the front end of the abutting frame is fixedly connected with a rubber pad.

The beneficial effects of the utility model are as follows:

1. The flat cable connector that will be connected with the lithium cell inserts in the socket for contact pin and flat cable connector are connected, and the rethread connecting wire inserts charge-discharge circuit, can protect the lithium cell through the protection shield body, can carry out spacingly to the flat cable connector through anti-loosening subassembly, avoid taking place to break away from in the connection process, in use realized being convenient for carry out effective spacing condition to protection shield junction, avoided the junction to take place the condition that breaks away from, thereby ensured the normal use of protection shield, also very convenient when dismantling.

2. The manual control assembly can be controlled to operate through the pushing assembly, so that the flat cable connector can be pushed to move forwards, the flat cable connector is assisted to be disassembled, the situation of connection clamping stagnation between the flat cable connector and the protection plate is avoided, the connector is not required to be drawn by force, and the situation that the flat cable connector is bent and damaged due to accidents is avoided.

Drawings

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

Fig. 2 is a schematic view of the structure of the protective plate body of the present utility model;

FIG. 3 is a front cross-sectional view of the mounting box structure of the present utility model;

fig. 4 is a plan view showing the structure of the protective plate body of the present utility model;

Reference numerals: 1. a protective plate body; 2. a socket; 3. a contact pin; 4. a flat cable connector; 5. an anti-loosening assembly; 501. a mounting box; 502. an alignment groove; 503. positioning columns; 504. a shifting block; 505. a spring; 506. a mounting groove; 507. inserting blocks; 6. a pushing assembly; 601. a mounting cavity; 602. a threaded column; 603. a supporting frame; 7. a manual control assembly; 701. a worm; 702. a turntable; 703. a worm wheel; 8. and (5) connecting wires.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 4, a lithium battery charging and discharging protection board, including protection board body 1, socket 2 has been seted up in the front of protection board body 1, socket 2's inner wall is provided with contact pin 3, socket 2 inner wall activity grafting has winding displacement to connect 4, and contact pin 3 and winding displacement to connect 4 electric connection, protection board body 1's surface is provided with and is used for spacing locking subassembly 5 to winding displacement to connect 4, protection board body 1's inside is provided with and is used for assisting winding displacement to connect 4 to break away from the promotion subassembly 6 of socket 2 inner wall, protection board body 1 surface still is provided with and is used for controlling the manual control subassembly 7 of promotion subassembly 6 operation, protection board body 1's rear end fixedly connected with connecting wire 8, more specifically, the winding displacement to connect 4 to be connected with the lithium battery inserts in socket 2, make contact pin 3 and winding displacement connect 4 connect, rethread connecting wire 8 inserts charging and discharging circuit, can protect the lithium battery through protection board body 1, can be spacing to winding displacement to connect 4 through locking subassembly 5, avoid taking place in the connection process, can control the operation of manual control subassembly 7 through promotion subassembly 6, thereby can promote the winding displacement to connect 4 and remove to the supplementary winding displacement to connect.

As shown in fig. 1 and 3, the anti-loosening assembly 5 includes a mounting box 501, and the mounting box 501 is fixedly connected with the top surface of the protection board body 1, an alignment groove 502 is provided on the front surface of the mounting box 501, a plug block 507 is fixedly connected with the top surface of the flat cable connector 4, and the surface of the plug block 507 is movably inserted into the inner wall of the alignment groove 502, a mounting groove 506 is provided in the middle of the top surface of the mounting box 501, a positioning column 503 is movably inserted between the inner wall of the mounting groove 506 and the alignment groove 502, and the end of the positioning column 503 is movably inserted into the plug block 507, a shifting block 504 is fixedly connected with the surface of the shifting block 504, and the end of the spring 505 is fixedly connected with the inner wall of the mounting groove 506.

As shown in fig. 4, the pushing component 6 includes a mounting cavity 601, the mounting cavity 601 is formed in the protective plate body 1, a threaded post 602 is longitudinally rotatably mounted on an inner wall of the mounting cavity 601, a supporting frame 603 is in threaded connection with a surface of the threaded post 602, and the surface of the supporting frame 603 is movably inserted into the protective plate body 1, more specifically, the threaded post 602 is controlled to rotate by a manual control component 7, the supporting frame 603 is driven to move under the action of threads, so that the supporting frame 603 pushes the flat cable connector 4 forward, and the flat cable connector 4 can be assisted to separate from the inner wall of the socket 2.

As shown in fig. 4, the manual control assembly 7 includes a worm 701, the worm 701 is rotationally connected with the inner wall of the mounting cavity 601, the left end of the worm 701 is fixedly connected with a turntable 702, the surface of the threaded column 602 is fixedly sleeved with a worm wheel 703, and the worm wheel 703 is meshed with the worm 701, and it is to be noted that the rotation of the turntable 702 drives the worm 701 and then drives the worm wheel 703 meshed with the worm wheel 701 to rotate, so that the threaded column 602 can be controlled to rotate, so that the pushing assembly 6 can be operated.

As shown in fig. 1 and 3, the number of the alignment grooves 502, the positioning posts 503, the shifting blocks 504, the springs 505, the mounting grooves 506 and the inserting blocks 507 is two, more specifically, two groups of structures are symmetrically arranged, so that the flat cable connector 4 is limited at the same time, and the limitation of the flat cable connector 4 is more stable.

As shown in fig. 4, the rubber pad is fixedly connected to the front end of the abutting frame 603, and it should be noted that by adding the rubber pad, when the abutting frame 603 presses the surface of the flat cable connector 4, the surface of the flat cable connector 4 is not easy to be crushed.

To sum up: the flat cable connector 4 connected with the lithium battery is inserted into the socket 2, so that the contact pin 3 and the flat cable connector 4 are connected, the charging and discharging circuit is connected through the connecting wire 8, the lithium battery can be protected through the protection board body 1, the flat cable connector 4 can be limited through the anti-loosening component 5, detachment is avoided in the connection process, the situation that effective limitation is carried out on the connection part of the protection board is convenient in use, detachment of the connection part is avoided, normal use of the protection board is guaranteed, and the flat cable connector is quite convenient to detach. The manual control assembly 7 can be controlled to operate through the pushing assembly 6, so that the flat cable connector 4 can be pushed to move to the front side, the flat cable connector 4 is assisted to be disassembled, the situation of connection clamping stagnation between the flat cable connector and the protection plate is avoided, the connector part is not required to be drawn by force, and the situation of bending and damaging the flat cable connector due to accidents is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium cell charge-discharge protection shield, its characterized in that, including protection shield body (1), socket (2) have been seted up in the front of protection shield body (1), the inner wall of socket (2) is provided with contact pin (3), socket (2) inner wall activity grafting has winding displacement joint (4), and contact pin (3) and winding displacement joint (4) electric connection, the surface of protection shield body (1) is provided with and is used for spacing locking subassembly (5) to winding displacement joint (4), the inside of protection shield body (1) is provided with and is used for assisting winding displacement joint (4) to break away from pushing component (6) of socket (2) inner wall, protection shield body (1) surface still is provided with manual control subassembly (7) that are used for controlling pushing component (6) operation, the rear end fixedly connected with connecting wire (8) of protection shield body (1).

2. The lithium battery charging and discharging protection plate according to claim 1, wherein the anti-loosening component (5) comprises a mounting box (501), the mounting box (501) is fixedly connected with the top surface of the protection plate body (1), an alignment groove (502) is formed in the front surface of the mounting box (501), an inserting block (507) is fixedly connected with the top surface of the flat cable connector (4), the surface of the inserting block (507) is movably inserted into the inner wall of the alignment groove (502), a mounting groove (506) is formed in the middle of the top surface of the mounting box (501), a positioning column (503) is movably inserted between the inner wall of the mounting groove (506) and the alignment groove (502), the end part of the positioning column (503) is movably inserted into the inserting block (507), a shifting block (504) is fixedly connected with one end of the positioning column (503), a spring (505) is fixedly connected with the surface of the shifting block (504), and the end part of the spring (505) is fixedly connected with the inner wall of the mounting groove (506).

3. The lithium battery charging and discharging protection plate according to claim 1, wherein the pushing assembly (6) comprises an installation cavity (601), the installation cavity (601) is formed in the protection plate body (1), a threaded column (602) is longitudinally rotatably installed on the inner wall of the installation cavity (601), an abutting frame (603) is in threaded connection with the surface of the threaded column (602), and the surface of the abutting frame (603) is movably inserted into the protection plate body (1).

4. A lithium battery charge-discharge protection plate according to claim 3, characterized in that the manual control assembly (7) comprises a worm (701), the worm (701) is rotationally connected with the inner wall of the installation cavity (601), the left end of the worm (701) is fixedly connected with a turntable (702), the surface of the threaded column (602) is fixedly sleeved with a worm wheel (703), and the worm wheel (703) is meshed with the worm (701).

5. The lithium battery charging and discharging protection plate according to claim 2, wherein the number of the alignment grooves (502), the positioning posts (503), the shifting blocks (504), the springs (505), the mounting grooves (506) and the inserting blocks (507) is two.

6. A lithium battery charge and discharge protection plate according to claim 3, wherein a rubber pad is fixedly connected to the front end of the abutting frame (603).