CN212876511U

CN212876511U - Battery protection plate for mobile power supply

Info

Publication number: CN212876511U
Application number: CN202022166450.1U
Authority: CN
Inventors: 刘琰嵩; 刘忠东; 胡鹏
Original assignee: Shenzhen Xindongtai Electronics Co ltd
Current assignee: Shenzhen Xindongtai Electronics Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-04-02
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a battery protection board for mobile power supply, including the upper cover plate, the upper cover plate passes through bolt fixedly connected with lower cover plate, and fixed mounting has the battery protection board between lower cover plate and the upper cover plate, and four corners of battery protection board bottom all fixedly connected with snubber blocks, and the bottom of snubber block has been seted up the draw-in groove, and the inside block of draw-in groove is connected with the stopper, the utility model relates to a battery protection board for mobile power supply, battery protection board are in an airtight space, have effectually protected colliding with of battery protection board, have also realized sealed waterproof simultaneously; the bottom of the battery protection board is provided with a damping facility, so that the circuit board is prevented from being damaged by impact or vibration accidentally generated in the external environment; install heat abstractor, can be at battery protection shield during operation, effectively dispel the heat and be convenient for discharge the heat that the circuit board will produce at the course of the work, avoid the heat to gather and cause the destruction to the circuit board, can prolong the life of circuit board.

Description

Battery protection plate for mobile power supply

Technical Field

The utility model relates to an electric power field specifically is a battery protection shield for portable power source.

Background

The battery protection board, as the name implies, is an integrated circuit board that mainly protects rechargeable (generally referred to as lithium battery). The need for protection of lithium batteries (rechargeable) is determined by their intrinsic characteristics. Because the material of lithium cell itself has decided it can not by overcharge, overdischarge, overflow, short circuit and ultra-high temperature charge-discharge, consequently lithium cell subassembly always can follow the protection shield of taking sampling resistance and a slice current fuse appears.

The existing battery protection plate is usually directly connected with the battery, or the battery protection plate is arranged in a protection box. However, the above two methods all have certain problems, because the external battery protection board can collide with the external environment direct contact, the service life of the circuit board is reduced, and when the battery protection board is arranged in the protection box, certain influence is caused to the heat dissipation of the battery protection board, when the temperature of the battery protection board is too high, the heat is gathered to burn out electronic components easily, and the current battery protection board can not protect the circuit board from impact or vibration generated by accidents in the external environment in time, the service life of the circuit board is reduced, the practicability is not enough, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery protection shield for portable power source, with solve and to provide among the above-mentioned background art because external battery protection shield can bump with external environment direct contact, the life of circuit board has been reduced, and set up the battery protection shield when protecting the box in, lead to the fact certain influence to the heat dissipation of battery protection shield, when the high temperature of battery protection shield, the heat gathers and burns out electronic components easily, and the striking or the vibration of unexpected production cause the damage to the circuit board in the unable external environment of in time protection of current battery protection shield, the practicality is lacking to some extent.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a battery protection plate, including upper cover plate, apron and upper cover plate, the upper cover plate passes through apron under the bolt fixedly connected with, fixed mounting has the battery protection shield between lower apron and the upper cover plate, the equal fixedly connected with snubber block in four corners of battery protection shield bottom, the draw-in groove has been seted up to the bottom of snubber block, the inside block of draw-in groove is connected with the stopper, the bottom fixedly connected with bottom plate of stopper, the bottom of bottom plate and the bottom fixed connection of apron inner wall down, the surface cover of stopper is equipped with first spring.

As a preferred technical scheme of the utility model, the cavity has all been seted up at the both ends of battery protection shield, the inside fixedly connected with second spring of cavity, the one end fixedly connected with fixed block of second spring, the fixed block is connected with one side contact of apron inner wall down.

As a preferred technical scheme of the utility model, battery protection shield's top fixed mounting has a plurality of evenly distributed's fin, the bottom of apron is fixed down has seted up the through-hole, the inside fixed mounting of through-hole has radiator fan, the ventilation hole has been seted up at the top of upper cover plate.

As a preferred technical scheme of the utility model, the ventilation hole has been seted up at the top of upper cover plate, the inside in ventilation hole and the waterproof ventilated membrane of the equal fixedly connected with in top of through-hole.

As an optimized technical proposal of the utility model, a plurality of the radiating fins are made of graphite.

Compared with the prior art, the beneficial effects of the utility model are that: the battery protection board is positioned in a closed space, so that the collision of the battery protection board is effectively protected, and meanwhile, the sealing and the water proofing are realized; the bottom of the battery protection board is provided with a damping facility, so that the circuit board is prevented from being damaged by impact or vibration accidentally generated in the external environment; install heat abstractor, can be at battery protection shield during operation, effectively dispel the heat and be convenient for discharge the heat that the circuit board will produce at the course of the work, avoid the heat to gather and cause the destruction to the circuit board, can prolong the life of circuit board.

Drawings

Fig. 1 is a front cross-sectional view of a battery protection board for a portable power source according to the present invention;

fig. 2 is an internal structure view of a battery protection board for a portable power source according to the present invention;

fig. 3 is a structural view of the damping structure of the battery protection board for the portable power source of the present invention;

fig. 4 is a perspective view of a lower cover plate of a battery protection plate for a mobile power supply of the present invention.

In the figure: 1. an upper cover plate; 2. a bolt; 3. a lower cover plate; 4. a battery protection plate; 5. a damper block; 6. a card slot; 7. a limiting block; 8. a base plate; 9. a first spring; 10. a cavity; 11. a second spring; 12. a fixed block; 13. a heat sink; 14. a through hole; 15. a heat radiation fan; 16. a vent hole; 17. waterproof ventilated membrane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a battery protection shield for portable power source, including upper cover plate 1, upper cover plate 1 is apron 3 under through bolt 2 fixedly connected with, fixed mounting has battery protection shield 4 between lower cover plate 3 and the upper cover plate 1, the equal fixedly connected with snubber block 5 in four corners of 4 bottoms of battery protection shield, draw-in groove 6 has been seted up to snubber block 5's bottom, the inside block of draw-in groove 6 is connected with stopper 7, the bottom fixedly connected with bottom plate 8 of stopper 7, the bottom of bottom plate 8 and the bottom fixed connection of 3 inner walls of lower cover plate, the surface cover of stopper 7 is equipped with first spring 9.

Preferably, the cavity 10 has all been seted up at the both ends of battery protection shield 4, and the inside fixedly connected with second spring 11 of cavity 10, the one end fixedly connected with fixed block 12 of second spring 11, fixed block 12 and the contact of one side of 3 inner walls of apron down are connected, can fix battery protection shield 4 between two apron, avoid moving in-process and bump, improve battery protection shield 4's security performance.

Preferably, a plurality of radiating fins 13 are fixedly mounted at the top of the battery protection board 4, the bottom of the lower cover plate 3 is fixedly provided with a through hole 14, a radiating fan 15 is fixedly mounted inside the through hole 14, the top of the upper cover plate 1 is provided with a ventilation hole 16, when the battery protection board 4 generates heat in the charging process of the battery, the heat can be effectively discharged by using the radiating fins 13 and the radiating fan 15, and the battery protection board 4 is prevented from being damaged due to heat generation in the charging process of the battery.

Preferably, the inside of ventilation hole 16 and the equal fixedly connected with waterproof ventilated membrane 17 in top of through-hole 14 set up through-hole 14 and be favorable to the circulation of air heat dissipation, set up waterproof ventilated membrane 17 and can effectively completely cut off outside moisture and corrode battery protection board 4.

Preferably, a plurality of fin 13 is made by graphite, and graphite heat conductivity is good, promotes fin 13's radiating effect greatly.

When the battery protection plate is used specifically, the battery protection plate 4 is located in the sealed space between the upper cover plate 1 and the lower cover plate 3, the internal battery protection plate 4 is effectively protected, sealing and water proofing are realized, the safety and the service life of the battery protection plate 4 during use are improved, and the battery protection plate 4 can be fixed at the two ends of the battery protection plate 4 by matching the second spring 11 with the fixed block 12, so that the battery protection plate 4 is prevented from being damaged due to collision in the moving process of the mobile power supply; meanwhile, when the mobile power supply is collided, the damping mechanism is utilized to play a role in buffering, so that the circuit board is prevented from being damaged by impact or vibration accidentally generated in the external environment, and the service life of the circuit board is prolonged; when the battery is charged and discharged for a long time, the battery protection plate 4 continuously generates heat, the heat is dissipated through the heat dissipating fins 13 on one hand, the power supply of the heat dissipating fan 15 is switched on the other hand, the heat dissipating fan 15 starts to work, and the heat generated by the battery protection plate 4 is discharged from the through hole 14 along with the work of the heat dissipating fan 15.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A battery protection shield for portable power source, includes upper cover plate (1), its characterized in that: apron (3) under upper cover plate (1) through bolt (2) fixedly connected with, fixed mounting has battery protection shield (4) down between apron (3) and upper cover plate (1), the equal fixedly connected with snubber block (5) of four corners of battery protection shield (4) bottom, draw-in groove (6) have been seted up to the bottom of snubber block (5), the inside block of draw-in groove (6) is connected with stopper (7), the bottom fixedly connected with bottom plate (8) of stopper (7), the bottom of bottom plate (8) and the bottom fixed connection of apron (3) inner wall down, the surface cover of stopper (7) is equipped with first spring (9).

2. A battery protection board for a mobile power supply according to claim 1, characterized in that: cavity (10) have all been seted up at the both ends of battery protection shield (4), the inside fixedly connected with second spring (11) of cavity (10), the one end fixedly connected with fixed block (12) of second spring (11), fixed block (12) are connected with the one side contact of apron (3) inner wall down.

3. A battery protection board for a mobile power supply according to claim 1, characterized in that: the battery protection plate is characterized in that a plurality of radiating fins (13) are fixedly arranged at the top of the battery protection plate (4), a through hole (14) is fixedly formed in the bottom of the lower cover plate (3), a radiating fan (15) is fixedly arranged in the through hole (14), and a ventilation hole (16) is formed in the top of the upper cover plate (1).

4. A battery protection board for a mobile power supply according to claim 3, wherein: the inside of the ventilation hole (16) and the top of the through hole (14) are fixedly connected with a waterproof breathable film (17).

5. A battery protection board for a mobile power supply according to claim 3, wherein: the plurality of radiating fins (13) are made of graphite.