CN214203864U

CN214203864U - Safety battery box

Info

Publication number: CN214203864U
Application number: CN202023235187.3U
Authority: CN
Inventors: 徐士民; 李磊; 吕菲; 徐宁; 吴孟涛
Original assignee: Tianjin B&M Science and Technology Co Ltd
Current assignee: Tianjin B&M Science and Technology Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a safe battery box, including battery box upper cover, battery box, group battery, the pipeline of putting out a fire, the battery box upper cover is provided with the strengthening rib, the battery box is the cuboid structure, the group battery sets up inside the battery box, the group battery shell is seal structure, be provided with the explosion-proof valve directly over the group battery shell, the pipeline of putting out a fire sets up directly over battery box and group battery, under the battery box upper cover, put out a fire the pipeline and connect by well cavity pipeline, it is provided with the arc shower nozzle of putting out a fire downwards to put out a fire the pipeline intersection, the shower nozzle of putting out a fire is provided with the explosion-proof valve, the utility model discloses there is application prospect to improving battery box safety.

Description

Safety battery box

Technical Field

The utility model relates to a battery structure field, concretely relates to safe battery box.

Background

Battery boxes have many applications in power, grid storage and small consumer devices. The battery box is prevented from being ignited, burnt and exploded, and the use safety of the battery box is improved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a safety battery box.

The utility model provides a technical scheme that its technical problem adopted is:

a safe battery box comprises a battery box upper cover, a battery box body, a battery pack and a fire extinguishing pipeline.

The battery box is the cuboid structure, the group battery sets up inside the battery box, the group battery includes group battery shell, group battery shell is seal structure, and group battery shell is provided with the explosion-proof valve.

The fire extinguishing pipeline is arranged between the battery pack and the upper cover of the battery box and comprises a plurality of interconnected hollow pipelines, an arc fire extinguishing nozzle is arranged at the intersection of the hollow pipelines, and an explosion-proof valve is arranged on the lower side of the fire extinguishing nozzle.

As a preferred option, a buckle for fixing the fire extinguishing pipeline is arranged in the upper cover of the battery box.

As a preferred option, the battery box body is of a cuboid structure, and a battery pack groove is formed in the battery box body.

As a preferred option, the battery pack is arranged inside the battery box body, the upper surface of the battery pack shell is provided with an explosion-proof valve, the explosion-proof valve is a pressed-mark alloy sheet, and a fire-extinguishing pipeline fire-extinguishing nozzle is arranged on the side of the explosion-proof valve.

As a preferred item, an explosion-proof valve is arranged below the fire extinguishing nozzle.

As a preferred item, the battery box upper cover is provided with a reinforcing rib.

Preferably, the indentation alloy sheet is a pressure-resistant or fusible indentation alloy sheet.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an assembly structure of the present invention;

fig. 2 is a schematic diagram of the battery pack of the present invention;

FIG. 3 is a schematic view of the fire extinguishing piping structure of the present invention;

FIG. 4 is a schematic structural view of the fire extinguishing nozzle and the explosion-proof valve of the fire extinguishing pipeline of the present invention;

fig. 5 is a schematic view of the structure of the explosion-proof valve of the present invention.

Wherein: 1-battery box upper cover, 2-battery box body, 3-battery pack, 31-battery pack shell, 32-explosion-proof valve, 4-fire extinguishing pipeline, 41-hollow pipeline, 42-arc fire extinguishing nozzle and 43-explosion-proof valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. Rather, the invention can be practiced without these specific details, i.e., those skilled in the art can more effectively describe the nature of their work to others skilled in the art using the description and illustrations herein. Furthermore, it should be noted that the terms "front side", "rear side", "left side", "right side", "upper side", "lower side", and the like used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a specific part, respectively, and those skilled in the art should not understand that the technology beyond the scope of the present application is simply and innovatively adjustable in the directions. It should be understood that the specific embodiments described herein are merely illustrative of the present application and do not limit the scope of the actual protection. Well-known manufacturing methods, control procedures, component dimensions, material compositions, circuit layouts, and the like, have not been described in detail since they are readily understood.

Referring to fig. 1, a safe battery box, including battery box upper cover 1, battery box 2, group battery 3, fire extinguishing pipe way 4, battery box upper cover 1 is provided with the strengthening rib, battery box 2 is the cuboid structure, group battery 3 sets up inside the battery box, group battery shell 31 is seal structure, be provided with explosion-proof valve 32 above the group battery shell 31, fire extinguishing pipe way 4 sets up between group battery 3 and battery box upper cover 1 (the utility model discloses in the top, below of saying be the direction that the installation battery box corresponds when in-service, the utility model discloses between say, for relative position), fire extinguishing pipe way 4 has cavity pipeline 41 to connect, fire extinguishing pipe way 4 intersection is provided with arc shower nozzle 42 of putting out a fire downwards, fire extinguishing nozzle 42 is provided with explosion-proof valve 43.

Further embodiments, reference is made to a safety battery box of fig. 1, wherein the term "embodiment" as used herein refers to a particular feature, structure, or characteristic that may be included in at least one implementation of the present application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. The embodiment comprises an upper cover 1 of a battery box, wherein the thickness of the upper cover 1 of the battery box is 3 mm, the upper cover is made of 304 stainless steel, reinforcing ribs are arranged on the upper cover, the compressive strength of the upper cover of the battery box is improved, and a buckle for fixing a fire extinguishing pipeline 4 is arranged in the upper cover 1 of the battery box and is used for fixing the fire extinguishing pipeline 4; the battery box body 2 is of a cuboid metal structure, the thickness of the battery box body is 5 mm, fixing bolts are arranged on the periphery of the box body and connected with the fixing bolts and the battery box upper cover 1, and a battery pack 3 fixing groove is formed in the battery box body 2; the battery pack 3 is characterized in that a battery pack shell 31 is a stainless steel sealed shell with the thickness of 15 mm, an explosion-proof valve 32 is arranged at the middle position right above the battery pack 3, the explosion-proof valve 32 is a four-petal aluminum alloy stamping sheet with the thickness of 150 microns, the compressive strength is 10MPa, and when the air pressure in the sealed battery pack shell 31 of the battery pack 3 is more than 10MPa, the explosion-proof valve 32 is flushed by high-pressure air; the fire extinguishing pipeline 4 is arranged right above the battery box body 2 and the battery pack 3 and right below the upper cover 1 of the battery box, the fire extinguishing pipeline 4 is internally provided with a fire extinguishing agent, the fire extinguishing pipeline 4 is connected by a hollow pipeline 41, the junction of the fire extinguishing pipeline 4 is provided with an arc downward fire extinguishing nozzle 42, the arc downward fire extinguishing nozzle 42 can make the fire extinguishing agent in the fire extinguishing pipeline 4 flow out through the fire extinguishing nozzle 42 and the explosion-proof valve 43, the fire extinguishing nozzle 42 is provided with an explosion-proof valve 43, the explosion-proof valve 43 is a four-petal fusible alloy stamping sheet, when the ambient temperature of the explosion-proof valve 43 is higher than 100 ℃, the explosion-proof valve 43 is melted, the fire extinguishing agent arranged in the fire extinguishing pipeline 4 flows out through the arc fire nozzle 42 and the explosion-proof valve 43 and is injected into the explosion-proof valve 32 of the battery pack 3 right below, the fire, combustion and explosion of the batteries in the battery pack are eliminated or reduced, and the use safety of the battery box is improved.

In another embodiment, referring to the safety battery box of fig. 1, the difference from the above embodiment is that an explosion-proof valve 32 is disposed at a middle position right above the battery pack 3, the explosion-proof valve 32 is a four-petal stamped sheet of fusible alloy with a thickness of 100 μm and a melting point of 100 degrees celsius, when the battery pack 3 encloses a battery pack housing 31 and the battery is ignited, burned and exploded, the fusible alloy sheet of the explosion-proof valve 32 is melted, an explosion-proof valve 43 of a fire extinguishing pipeline 4 disposed right above the explosion-proof valve 32 of the battery pack 3 is melted, and a fire extinguishing agent disposed in the fire extinguishing pipeline 4 flows out through an arc fire nozzle 42 and the explosion-proof valve 43 and is injected into the explosion-proof valve 32 of the battery pack 3 right below, so as to eliminate or reduce the battery ignition, burned and exploded in the battery pack, and improve the use safety of the battery box.

According to the above principle, the present invention can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention.

Claims

1. A safety battery box, its characterized in that: comprises a battery box upper cover (1), a battery box body (2), a battery pack (3) and a fire extinguishing pipeline (4);

the battery box body (2) is of a cuboid structure, the battery pack (3) is arranged inside the battery box body (2), the battery pack (3) comprises a battery pack shell (31), the battery pack shell (31) is of a sealing structure, and the battery pack shell (31) is provided with an explosion-proof valve (32);

between group battery (3) and battery box upper cover (1) are located in pipeline of putting out a fire (4), and pipeline of putting out a fire (4) are including a plurality of interconnect's cavity pipeline (41), the intersection of cavity pipeline (41) is provided with arc shower nozzle (42) of putting out a fire, the downside of shower nozzle (42) of putting out a fire is provided with explosion-proof valve (43).

2. A safety battery box according to claim 1, characterized in that: a buckle used for fixing the fire extinguishing pipeline (4) is arranged in the upper cover (1) of the battery box.

3. A safety battery box according to claim 1, characterized in that: the battery box body (2) is of a cuboid structure, and a battery pack groove is formed in the battery box body (2).

4. A safety battery box according to claim 2, characterized in that: the battery pack (3) is arranged in the battery box body (2), the upper side of the battery pack shell (31) is provided with an explosion-proof valve (32), the explosion-proof valve (32) is a pressed-mark alloy sheet, and a fire extinguishing pipeline (4) and a fire extinguishing nozzle (42) are arranged above the explosion-proof valve (32).

5. A safety battery box according to claim 2, characterized in that: an explosion-proof valve (32) is arranged below the fire extinguishing spray head (42).

6. A safety battery box according to claim 1, characterized in that: the battery box upper cover (1) is provided with a reinforcing rib.

7. A safety battery box according to claim 4, characterized in that: the indentation alloy sheet is a pressure-resistant or fusible indentation alloy sheet.