CN219513195U - Lithium battery pack with long service life and charging protection - Google Patents

Abstract

The utility model discloses a lithium battery pack with long service life and charge protection, which belongs to the field of lithium batteries and comprises a charging base, wherein an air inlet is formed in the side wall of the charging base, a fan is installed in the charging base, a cover plate is fixedly connected to the top of the charging base, an air outlet is formed in the top of the cover plate, a positioning groove is formed in the side wall of the cover plate, a positioning piece is arranged in the positioning groove, a plurality of guide grooves distributed in an annular mode are formed in the top of the positioning groove, a movable box is connected in the guide grooves through guide posts, and a battery body is installed in the movable box. According to the utility model, the base, the fan, the positioning piece, the cover plate, the guide groove, the movable box and the guide post are arranged, when the battery pack is charged, the movable box is synchronously diffused from the top of the cover plate to the periphery, so that the contact area between the battery body and air is larger, and wind generated by the fan can flow between the battery bodies, thereby realizing a better heat dissipation effect.

Description

Lithium battery pack with long service life and charging protection

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery pack with long service life and charge protection.

Background

Along with the development of environment-friendly technology and the use of green energy sources in the state call, electric vehicles are more and more in our lives, and a lithium battery pack formed by combining thousands of lithium batteries is arranged in the electric vehicles, so that a large amount of power is supplied.

The batteries in the battery pack are usually close together, when the battery pack is charged, a large amount of heat is generated by the batteries, and when the heat is dissipated through natural heat dissipation or a fan, the heat in the battery pack is not easy to dissipate due to the fact that air in the battery pack does not circulate, so that the phenomenon that the battery is overheated and damaged and even fires and explodes is caused, and therefore, the lithium battery pack with the long-service-life charging protection is provided for the problems.

Disclosure of Invention

The utility model aims to solve the problems that a plurality of batteries in a battery pack are usually close together in the prior art, a large amount of heat is generated by the batteries during charging, and the heat in the battery pack is not easy to dissipate due to the fact that air in the battery pack does not circulate when the batteries are naturally cooled or cooled by a fan, so that the phenomena of overheat damage and even fire explosion of the batteries occur.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a lithium battery pack of long-life protection of charging, includes charging base, charging base's lateral wall has seted up the air intake, charging base's internally mounted has the fan, charging base's top fixedly connected with apron, the air outlet has been seted up at the top of apron, the constant head tank has been seted up to the lateral wall of apron, be provided with the setting element in the constant head tank, a plurality of guide ways that are annular distribution have been seted up at the top of constant head tank, be connected with the removal box through the guide post in the guide way, install battery body in the removal box.

Preferably, the mounting groove has been seted up at charging base's top, fan fixed connection is in the mounting groove bottom surface, the air intake is linked together with the mounting groove.

Preferably, the locating piece includes card post, drive lantern ring, handle, reference column and spring, drive lantern ring is fixed to be cup jointed on the card post, reference column fixed connection is in the card post bottom, handle and drive lantern ring fixed connection.

Preferably, one end of the spring is fixedly connected to the inner wall of the positioning groove, and the other end of the spring is sleeved on the positioning column.

Preferably, an L-shaped groove is formed in one side face of the positioning groove, a sliding block is arranged in the L-shaped groove in a sliding mode, and the sliding block is fixedly connected with the driving lantern ring.

Preferably, a clamping hole is formed in the bottom surface of the movable box above the positioning piece, and the clamping hole is matched with the positioning column.

Preferably, the guide post is in sliding connection with the guide groove, the guide post is fixedly connected with the movable box, and the bottom of the movable box is provided with a ventilation opening.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with base, fan, setting element, apron, guide way, remove box and guide post, when group battery charges, remove the box and follow apron top and to synchronous diffusion all around for area of contact between battery body and the air is bigger, and the wind that the fan produced can flow through from between the battery body, realizes better radiating effect.

2. The plurality of moving boxes are tightly abutted together, one of the moving boxes is pushed under the action of the guide post and the guide groove to enable the other moving boxes to synchronously rotate, so that the process of adjusting the positions of the battery bodies is more convenient, and the positioning piece controls one of the moving boxes to maintain the position locking among the plurality of battery bodies.

Drawings

Fig. 1 is a schematic perspective view of a long-life charge-protected lithium battery pack according to the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

fig. 3 is a schematic diagram of a three-dimensional structure of a lithium battery pack with long service life and charge protection according to the present utility model;

fig. 4 is a schematic diagram of a connection structure between a charging base and a cover plate in a lithium battery pack with long-life charging protection according to the present utility model;

fig. 5 is a schematic view of the bottom structure of a mobile case in a long-life charge-protected lithium battery pack according to the present utility model.

In the figure: 1. a charging base; 2. an air inlet; 3. a blower; 4. a cover plate; 5. an air outlet; 6. a positioning groove; 7. an L-groove; 8. a clamping column; 9. a drive collar; 10. a handle; 11. positioning columns; 12. a spring; 13. a guide groove; 14. a moving case; 15. a clamping hole; 16. a guide post; 17. a vent; 18. a battery body.

Detailed Description

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 only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-5, a lithium battery pack with long service life and charging protection comprises a charging base 1, wherein an air inlet 2 is formed in the side wall of the charging base 1, a fan 3 is installed in the charging base 1, a mounting groove is formed in the top of the charging base 1, the fan 3 is fixedly connected to the bottom surface of the mounting groove, the air inlet 2 is communicated with the mounting groove, when the charging base 1 is charged, the fan 3 is started, and air around the base of the charging base 1 is introduced into the mounting groove;

the top of the charging base 1 is fixedly connected with a cover plate 4, the top of the cover plate 4 is provided with an air outlet 5, and air introduced into the mounting groove flows out through the air outlet 5;

further, a positioning groove 6 is formed in the side wall of the cover plate 4, a positioning piece is arranged in the positioning groove 6, and the positioning piece comprises a clamping column 8, a driving lantern ring 9, a handle 10, a positioning column 11 and a spring 12;

it should be noted that, the driving collar 9 is fixedly sleeved on the clamping column 8, the positioning column 11 is fixedly connected to the bottom end of the clamping column 8, the handle 10 is fixedly connected with the driving collar 9, one end of the spring 12 is fixedly connected to the inner wall of the positioning slot 6, and the other end of the spring 12 is sleeved on the positioning column 11;

a plurality of guide grooves 13 which are annularly distributed are formed in the top of the positioning groove 6, a movable box 14 is connected in the guide grooves 13 through guide posts 16, a clamping hole 15 is formed in the bottom surface of the movable box 14 above the positioning piece, and the clamping hole 15 is matched with the positioning post 11;

an L-shaped groove 7 is formed in one side surface of the positioning groove 6, the L-shaped groove 7 comprises a vertical groove and a horizontal groove, a sliding block is arranged in the L-shaped groove 7 in a sliding manner, and the sliding block is fixedly connected with a driving lantern ring 9;

when the handle 10 is pulled downwards and the spring 12 is contracted, and the sliding block slides to the transverse groove at the bottom end of the L-shaped groove 7, the handle 10 is rotated and then the acting force on the handle 10 is canceled, and the elastic force of the spring 12 makes the sliding block and the top wall of the transverse groove of the L-shaped groove 7 mutually collide, so that the spring 12 is kept in a compressed state;

through the further advantages, the guide post 16 is in sliding connection with the guide groove 13, the guide post 16 is fixedly connected with the movable box 14, the bottom of the movable box 14 is provided with the ventilation opening 17, when the battery body 18 is charged by the ventilation opening 17, the heat dissipation of the battery body 18 is quickened, the ventilation opening 17 is communicated with the air outlet 5 on the cover plate 4, the battery body 18 is arranged in the movable box 14, and the heat dissipation effect of wind generated by the fan 3 is guaranteed;

when the lithium battery pack is carried and transported, the clamping column 8 is inserted into the clamping hole 15, and the positions of the movable box 14 and the battery body 18 are fixed above the charging base 1;

when charging is carried out, one of the movable boxes 14 is pushed, the guide posts 16 slide along the guide grooves 13, the plurality of movable boxes 14 are mutually abutted, and the battery bodies 18 are scattered, so that the heat dissipation effect of the battery bodies 18 during charging is better;

when the utility model is used, the charging base 1 is connected, the fan 3 is started, then the handle 10 is pulled downwards, the handle 10 drives the driving lantern ring 9, the clamping block and the positioning column 11 to move downwards, the sliding block slides along the L groove 7, the positioning column 11 is separated from the clamping hole 15, and when the clamping block slides to the bottom end of the L groove 7, the handle 10 is rotated to rotate the clamping block into a transverse groove of the L groove 7;

promote one of them and remove box 14, the mutual conflict between a plurality of removal boxes 14 for remove the guide post 16 of box 14 bottom along guide slot 13 slip, in the slip in-process, a plurality of removal boxes 14 are from charging base 1 top diffusion all around, the space increases between a plurality of removal boxes 14, the wind that fan 3 produced passes from air outlet 5, then pass from the space between a plurality of removal boxes 14, the area of contact of battery body 18 and air after the diffusion is accomplished is bigger, realize better radiating effect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a lithium battery pack of long-life protection of charging, includes charging base (1), its characterized in that, air intake (2) have been seted up to the lateral wall of charging base (1), the internally mounted of charging base (1) has fan (3), the top fixedly connected with apron (4) of charging base (1), air outlet (5) have been seted up at the top of apron (4), constant head tank (6) have been seted up to the lateral wall of apron (4), be provided with the setting element in constant head tank (6), a plurality of guide slots (13) that are annular distribution have been seted up at the top of constant head tank (6), be connected with through guide post (16) in guide slot (13) and remove box (14), remove and install battery body (18) in box (14).

2. The lithium battery pack with long service life and charge protection according to claim 1, wherein the top of the charging base (1) is provided with a mounting groove, the fan (3) is fixedly connected to the bottom surface of the mounting groove, and the air inlet (2) is communicated with the mounting groove.

3. The lithium battery pack with long service life and charge protection according to claim 1, wherein the positioning piece comprises a clamping column (8), a driving sleeve ring (9), a handle (10), a positioning column (11) and a spring (12), the driving sleeve ring (9) is fixedly sleeved on the clamping column (8), the positioning column (11) is fixedly connected to the bottom end of the clamping column (8), and the handle (10) is fixedly connected with the driving sleeve ring (9).

4. A long life charging protection lithium battery pack according to claim 3, wherein one end of the spring (12) is fixedly connected to the inner wall of the positioning groove (6), and the other end of the spring (12) is sleeved on the positioning column (11).

5. The lithium battery pack with long service life and charge protection according to claim 3, wherein an L-shaped groove (7) is formed on one side surface of the positioning groove (6), a sliding block is slidably arranged in the L-shaped groove (7), and the sliding block is fixedly connected with the driving collar (9).

6. A long life charging protection lithium battery pack according to claim 3, wherein a clamping hole (15) is formed in the bottom surface of the moving box (14) above the positioning member, and the clamping hole (15) is adapted to the positioning column (11).

7. The lithium battery pack with long service life and charge protection according to claim 1, wherein the guide post (16) is slidably connected with the guide groove (13), the guide post (16) is fixedly connected with the mobile box (14), and a vent (17) is formed in the bottom of the mobile box (14).