CN213937464U

CN213937464U - Lithium battery pack equalizer

Info

Publication number: CN213937464U
Application number: CN202022337530.9U
Authority: CN
Inventors: 林广宙; 林庆德; 林靖佳; 李知斌
Original assignee: Guangxi Yangsheng New Energy Co ltd
Current assignee: Guangxi Yangsheng New Energy Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-08-10
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a lithium battery pack equalizer, which comprises an equalizer body, a plurality of battery interfaces, a shell, a plurality of shockproof balls, a heat dissipation fan and a waterproof shell; the shell comprises a bottom plate and a square cover which are integrally formed; the square body is covered on the upper part of the bottom plate; the waterproof shell is completely covered on the upper surface of the shell and is adhered to the shell; the battery interfaces penetrate through one side surface of the waterproof shell and one side surface of the square cover; a clamping seat is arranged on a bottom plate in the shell; the plurality of shockproof balls are distributed in the clamping seat; the clamping seat can clamp the equalizer body; one end of the shockproof ball is fixedly connected with the equalizer body, and the other end of the shockproof ball is fixedly connected with the bottom plate; the battery interface is connected with the equalizer body through a lead; the heat dissipation fan is fixedly arranged on one side surface in the square cover and is opposite to the equalizer body. The utility model discloses heat dissipation, waterproof, shockproof effect are good, increase of service life improves work efficiency.

Description

Lithium battery pack equalizer

Technical Field

The utility model relates to a group battery balanced device field, more specifically relates to a lithium cell group battery balanced device.

Background

In the series use process of the lithium batteries, in order to ensure the consistency of the battery voltage, the equalizer is required to perform balanced maintenance on the battery units with unbalanced charging, so that overcharging and overdischarging are avoided, and the efficiency and the service life of the whole lithium battery pack are improved. The existing lithium battery pack equalizer generates heat loss due to the effect characteristic of an equalizing power supply and the change of polarization internal resistance in the electrochemical characteristic of a battery due to energy transfer in the equalizing process, so that a large amount of heat is generated in the equalizer, the heat dissipation effect is poor, the working efficiency of the equalizer is low, and even the lithium battery pack equalizer is damaged due to overhigh temperature, and the service life is shortened. When the circuit is used on some mobile equipment, waterproof treatment is required, otherwise, an equalizer circuit is easy to damage; still vibration or colliding with when inevitable can have the displacement, consequently often can make the electric wire of lithium cell group equalizer produce and pull the power, and the power is crossed greatly or the time is of a specified duration just makes electric wire and lithium cell group equalizer disconnection easily to cause the lithium cell group equalizer to need to change electric wire spare part in order to maintain normal operating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the technical problem of description in the background art, provide a heat dissipation, waterproof, shockproof effect is good, increase of service life improves work efficiency's lithium cell group equalizer.

In order to solve the problems, the lithium battery pack equalizer comprises an equalizer body, a plurality of battery interfaces, a shell, a plurality of shockproof balls, a heat dissipation fan and a waterproof shell; the shell comprises a bottom plate and a square cover which are integrally formed; the square body is covered on the upper part of the bottom plate; the waterproof shell is completely covered on the upper surface of the shell and is adhered to the shell; the battery interfaces penetrate through one side surface of the waterproof shell and one side surface of the square cover; a clamping seat is arranged on a bottom plate in the shell; the plurality of shockproof balls are distributed in the clamping seat; the clamping seat can clamp the equalizer body; one end of the shockproof ball is fixedly connected with the equalizer body, and the other end of the shockproof ball is fixedly connected with the bottom plate; the battery interface is connected with the equalizer body through a lead; the heat dissipation fan is fixedly arranged on one side surface in the square cover and is opposite to the equalizer body.

In particular, the upper part of the square cover is opened; the upper parts of the two sides in the square cover are respectively provided with a guide groove; the guide groove is connected with a top plate in a sliding manner; the lower part of the top plate is tightly attached to the upper part of the equalizer body.

Particularly, the heat dissipation fan is also connected with a heat dissipation fan interface through a wire; the radiating fan interface penetrates through one side face of the waterproof shell and the square cover.

Particularly, a plurality of clamping blocks are arranged on the side surface in the square cover.

In particular, there are 4 battery ports.

Particularly, a plurality of threaded mounting holes are formed in the bottom plate.

The utility model has the advantages that:

the utility model is provided with the clamping seat and the shockproof ball which are fixedly connected with the equalizer body, so that the equalizer body is fixed in the shell, the displacement is avoided, and the shockproof effect is good; the waterproof shell is arranged to completely cover the upper surface of the shell and is adhered to the shell, so that the waterproof effect is good; the heat dissipation fan is fixedly arranged on one side face in the square cover and is opposite to the equalizer body, and the heat dissipation effect is good. The utility model discloses compact structure sets up rationally, can prolong the life of lithium cell group equalizer, improves work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall structure diagram of the embodiment of the present invention.

In the figure: 1. a housing; 2. an equalizer body; 3. a top plate; 4. a battery interface; 5. a waterproof shell; 6. a heat dissipation fan; 7. a vibration-proof ball; 8. a clamping block; 9. a card holder; 10. a wire; 11. and (4) bolts.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

As shown in fig. 1, the lithium battery pack equalizer of the present embodiment includes an

equalizer body

2, 4 battery interfaces 4, a casing 1, a plurality of shockproof balls 7, a heat dissipation fan 6, and a waterproof case 5. The housing 1 includes a bottom plate and a square cover which are integrally formed. The square body is covered on the upper part of the bottom plate. The waterproof shell 5 covers the upper surface of the shell 1 and is adhered to the shell 1. The 4 battery interfaces 4 penetrate through the waterproof shell 5 and one side face of the square cover. A clamping seat 9 is arranged on the bottom plate in the shell 1. A plurality of anti-vibration balls 7 are distributed in the clamping seat 9. The cartridge 9 is capable of chucking the equalizer body 2. One end of the shockproof ball 7 is fixedly connected with the equalizer body 2, and the other end is fixedly connected with the bottom plate. The battery interface 4 is connected to the equalizer body 2 by a wire 10. The heat radiation fan 6 is fixedly arranged on one side surface in the square cover and is opposite to the equalizer body 2. The upper part of the square cover is opened. The upper parts of the two sides in the square cover are respectively provided with a guide groove. The guide channel is slidably connected with a top plate 3. The lower part of the top plate 3 is closely attached to the upper part of the equalizer body 2. The heat dissipation fan 6 is also connected with a heat dissipation fan 6 interface through a wire 10. The interface of the heat radiation fan 6 is arranged on one side surface of the waterproof shell 5 and the square cover in a penetrating way. The side in the square cover is provided with a plurality of clamping blocks 8. Be equipped with a plurality of screw thread mounting hole on the bottom plate, accessible bolt 11 and screw thread mounting hole fix whole lithium cell group equalizer in the assigned position.

The utility model discloses application method of embodiment is as follows:

after the embodiment of the utility model is installed, the lithium batteries and the battery interface 4 are respectively connected through the battery wiring, so that the lithium batteries are connected in series two by two; the interface of the heat dissipation fan 6 is connected with one of the lithium batteries through wiring to supply power to the heat dissipation fan 6.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. A lithium battery pack equalizer is characterized in that: the device comprises an equalizer body, a plurality of battery interfaces, a shell, a plurality of shockproof balls, a heat dissipation fan and a waterproof shell; the shell comprises a bottom plate and a square cover which are integrally formed; the square body is covered on the upper part of the bottom plate; the waterproof shell is completely covered on the upper surface of the shell and is adhered to the shell; the battery interfaces penetrate through one side surface of the waterproof shell and one side surface of the square cover; a clamping seat is arranged on a bottom plate in the shell; the plurality of shockproof balls are distributed in the clamping seat; the clamping seat can clamp the equalizer body; one end of the shockproof ball is fixedly connected with the equalizer body, and the other end of the shockproof ball is fixedly connected with the bottom plate; the battery interface is connected with the equalizer body through a lead; the heat dissipation fan is fixedly arranged on one side surface in the square cover and is opposite to the equalizer body.

2. A lithium battery pack equalizer according to claim 1, characterized in that: the upper part of the square cover is provided with an opening; the upper parts of the two sides in the square cover are respectively provided with a guide groove; the guide groove is connected with a top plate in a sliding manner; the lower part of the top plate is tightly attached to the upper part of the equalizer body.

3. A lithium battery pack equalizer according to claim 1, characterized in that: the heat dissipation fan is also connected with a heat dissipation fan interface through a wire; the radiating fan interface penetrates through one side face of the waterproof shell and the square cover.

4. A lithium battery pack equalizer according to claim 1, characterized in that: and a plurality of clamping blocks are arranged on the side surface in the square cover.

5. A lithium battery pack equalizer according to claim 1, characterized in that: there are 4 battery interfaces.

6. A lithium battery pack equalizer according to claim 1, characterized in that: the bottom plate is provided with a plurality of threaded mounting holes.