CN204538114U

CN204538114U - High-rate explosion-proof battery

Info

Publication number: CN204538114U
Application number: CN201520305151.8U
Authority: CN
Inventors: 冉柠恺
Original assignee: Shenzhen Angjia Technology Co ltd
Current assignee: Shenzhen Angjia Technology Co ltd
Priority date: 2015-05-13
Filing date: 2015-05-13
Publication date: 2015-08-05
Anticipated expiration: 2025-05-13

Abstract

The utility model provides a high-rate explosion-proof battery, which comprises a positive pole column, a negative pole column, a shell, a plurality of groups of battery units arranged in the shell and a reinforcing frame arranged outside the shell; the outer sides of the battery units are provided with explosion-proof membranes, and a heat-conducting partition plate is arranged between every two groups of battery units; the upper part of the side wall of the shell is provided with heat dissipation holes; the battery unit is stacked on the support frame at the bottom of the shell, an overflow cavity is formed between the support frame and the shell, and an overflow port is formed at the bottom of the shell; a plug is arranged on the overflow port; and the positive electrode of each battery unit is respectively connected with the positive pole column, and the negative electrode of each battery unit is respectively connected with the negative pole column. The utility model discloses can realize the high magnification, the heat dissipation is good, has explosion-proof performance, every battery unit's the two poles of the earth respectively with positive post or negative pole column connection, like this, even there is individual battery unit to break down, do not influence battery powered yet, job stabilization is reliable, the security is high.

Description

High-rate explosion-proof battery

Technical Field

The invention belongs to the technical field of batteries, and particularly relates to a high-rate explosion-proof battery.

Background

Nowadays, electronic products are very popular, and batteries are widely used, and include alkaline zinc-manganese batteries, cadmium-nickel batteries, hydrogen-nickel batteries, lithium ion batteries, fuel batteries, solar batteries, and the like. The lithium ion battery is widely used by people, the positive electrode material of the lithium ion battery is cobalt lithium oxide, the negative electrode material is carbon material, the battery realizes the charge and discharge process of the battery through the insertion and the migration of lithium ions generated by the positive electrode in the negative electrode carbon material, and the lithium ion battery is called as the lithium ion battery in order to be different from the traditional lithium battery. Since 1990, lithium ion batteries have been introduced, have been rapidly developed due to their excellent performance, and have been widely used in society. Lithium ion batteries rapidly occupy many fields, such as well-known mobile phones, notebook computers, miniature cameras, etc., with advantages not comparable to other batteries, and are being used for military purposes in more and more countries.

The application shows that the lithium ion battery is an ideal small-sized green power supply. At present, the traditional power battery adopts a negative plate, diaphragm paper, a positive plate and diaphragm paper which are sequentially stacked to be wound, and then a positive conductive handle and a negative conductive handle are led out. The output power of the power battery is an important performance index, the traditional lithium ion battery has the defects that the surface polarization of a pole piece of a battery cell is increased under the condition of high-rate discharge, and the current density on a unit area is increased to cause the resistance to be increased, the distance from the pole piece to an output end of a current in the traditional structure is long, the high-rate discharge performance is not ideal, and the requirement of the power battery on the high rate is high.

Disclosure of Invention

The invention aims to provide a high-rate explosion-proof battery which can realize high rate, has good heat dissipation, explosion-proof performance, stable and reliable work and high safety.

In order to solve the technical problems, the technical scheme created by the invention is realized as follows:

a high-rate explosion-proof battery comprises a positive pole, a negative pole, a shell, a plurality of groups of battery units arranged in the shell and a reinforcing frame arranged outside the shell; the outer sides of the battery units are provided with explosion-proof films, and a heat-conducting partition plate is arranged between every two groups of battery units; the upper part of the side wall of the shell is provided with heat dissipation holes; the battery unit is stacked on the support frame at the bottom of the shell, an overflow cavity is formed between the support frame and the shell, and an overflow port is formed at the bottom of the shell; a plug is arranged on the overflow port; and the positive electrode of each battery unit is connected with the positive pole post, and the negative electrode of each battery unit is connected with the negative pole post.

Further, the reinforcing frame surrounds the outer part of the shell for one circle.

Further, the reinforcing frames are arranged in at least two groups.

Furthermore, a handle is arranged at the upper end of the reinforcing frame.

Further, the heat-conducting partition plate is an aluminum plate or a copper plate.

Furthermore, the heat dissipation holes are punched and formed obliquely downwards, and a shielding plate is formed above each heat dissipation hole.

Further, the outer surface of the explosion-proof membrane is coated with a fireproof coating.

Further, the height of each group of the battery units is less than 3cm.

Furthermore, a transparent observation window is arranged on the shell.

The invention has the advantages and positive effects that:

1) The invention can realize high multiplying power, has good heat dissipation and explosion-proof performance, and the two poles of each battery unit are respectively connected with the positive pole column or the negative pole column, so that even if a single battery unit fails, the power supply of the battery is not influenced, the operation is stable and reliable, and the safety is high.

2) The outside enhancement frame that is equipped with of casing is around, like this, just with the firm frame inside injecing the enhancement frame in casing, the explosion-proof nature is strong, and the security is high.

3) Even if the electrolyte leaks from the battery unit, the electrolyte flows downwards into the overflow cavity under the action of gravity, and other battery units cannot be polluted.

Drawings

FIG. 1 is a structural section view of the invention;

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

fig. 3 is a schematic structural diagram of the invention.

In the figure: 1-positive pole column; 2-a negative pole post; 3-a shell; 4-a battery cell; 5-reinforcing frame; 6-explosion-proof membrane; 7-a thermally conductive spacer; 8-heat dissipation holes; 9-a support frame; 10-an overflow cavity; 11-an overflow port; 12-plug; 13-a handle; 14-a shutter; 15-observation window.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

A high-rate explosion-proof battery is shown in figures 1 to 3 and comprises a positive pole 1, a negative pole 2, a shell 3, a plurality of groups of battery units 4 arranged in the shell 3 and a reinforcing frame 5 arranged outside the shell 3; the outer sides of the battery units 4 are provided with explosion-proof membranes 6, and a heat-conducting partition plate 7 is arranged between every two groups of battery units 4; the upper part of the side wall of the shell 3 is provided with a heat dissipation hole 8; the battery unit 4 is stacked on a support frame 9 at the bottom of the shell 3, an overflow cavity 10 is formed between the support frame 9 and the shell 3, and an overflow port 11 is arranged at the bottom of the shell 3; a plug 12 is arranged on the overflow port 11; the positive pole of each battery unit 4 is respectively connected with the positive pole column 1, and the negative pole is respectively connected with the negative pole column 2.

It should be noted that when the electrolyte in the battery unit 4 leaks, the electrolyte will flow downward under the action of gravity until entering the overflow cavity 10, and the electrolyte will not stay on the leaked battery unit 4 and will not contaminate other battery units 4. In a normal state, the plug 12 is arranged on the overflow port 11, and after electrolyte leakage occurs, the plug 12 can be screwed off in time to discharge the leaked electrolyte, so that the electrolyte is prevented from evaporating to pollute other battery units 4.

Wherein, strengthen frame 5 and encircle 3 outside a week of casing, with the firm frame inside of injecing strengthen frame 5 of 3 of casing, the explosion-proof nature is strong, and the security is high.

Wherein, strengthen frame 5 and set up two sets of at least, strengthen frame 5 upper end and be equipped with handle 13. Therefore, the explosion-proof battery can be conveniently lifted and is easy to store and transport.

Wherein, heat conduction baffle 7 is aluminum plate or copper, and heat conduction, good heat dissipation, the heat that battery unit 4 produced can not gather inside, can outwards be discharged by heat conduction baffle 7, consequently, battery unit 4 can not damage because of the high temperature, long service life.

Wherein, the louvre 8 slant is down punched and moulded, all forms a sunshade 14 above every louvre, when rainwater or dust fall down, can be blocked by sunshade 14 on the louvre 8, has effectively avoided the invasion of rainwater or dust.

Wherein, 6 surface coatings of rupture membrane have fire protection coating, play thermal-insulated fire-proof effect, can prevent effectively that outside burning things which may cause an explosion or violent burning when being close to this explosion-proof battery, and the security is high.

The height of each group of battery units 4 is less than 3cm, and the height of each battery unit 4 is lower, so that the phenomenon of electrolyte layering caused by overhigh battery height is avoided. The performance of the battery is always kept at the best without influencing the effective transmission of the energy of the battery, and the service life of the battery is prolonged.

Wherein, be equipped with transparent observation window 15 on the casing 3, can observe each battery unit 4's in the casing 3 state in real time to in time take measures when avoiding lacking liquid or taking place to leak.

The invention can realize high multiplying power, has good heat dissipation and explosion-proof performance, and can flow downwards into the overflow cavity 10 under the action of gravity even if electrolyte leaks from the battery unit 4, thereby not polluting other battery units 4. In addition, two poles of each battery unit 4 are respectively connected with the positive pole column 1 or the negative pole column 2, so that even if a fault occurs to an individual battery unit 4, the power supply of the battery is not influenced, the operation is stable and reliable, and the safety is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-rate explosion-proof battery is characterized in that: the battery pack comprises a positive pole, a negative pole, a shell, a plurality of groups of battery units arranged in the shell and a reinforcing frame arranged outside the shell; the outer sides of the battery units are provided with explosion-proof membranes, and a heat-conducting partition plate is arranged between every two groups of battery units; the upper part of the side wall of the shell is provided with heat dissipation holes; the battery unit is stacked on the support frame at the bottom of the shell, an overflow cavity is formed between the support frame and the shell, and an overflow port is formed at the bottom of the shell; a plug is arranged on the overflow port; and the positive electrode of each battery unit is connected with the positive pole post, and the negative electrode of each battery unit is connected with the negative pole post.

2. The high-rate explosion-proof battery according to claim 1, characterized in that: the reinforcing frame surrounds the outer part of the shell for one circle.

3. A high-rate explosion-proof battery according to claim 1 or 2, characterized in that: the reinforcing frames are at least provided in two groups.

4. A high-rate explosion-proof battery according to claim 1 or 2, characterized in that: and a lifting handle is arranged at the upper end of the reinforcing frame.

5. The high-rate explosion-proof battery according to claim 1, characterized in that: the heat-conducting partition plate is an aluminum plate or a copper plate.

6. The high-rate explosion-proof battery according to claim 1, characterized in that: the heat dissipation holes are formed in a downward inclined punch forming mode, and a shielding plate is formed above each heat dissipation hole.

7. The high-rate explosion-proof battery according to claim 1, characterized in that: and the outer surface of the explosion-proof membrane is coated with a fireproof coating.

8. The high-rate explosion-proof battery according to claim 1, characterized in that: the height of each group of the battery units is less than 3cm.

9. The high-rate explosion-proof battery according to claim 1, characterized in that: and a transparent observation window is arranged on the shell.