CN219086110U

CN219086110U - Battery fire protection device

Info

Publication number: CN219086110U
Application number: CN202223254797.7U
Authority: CN
Inventors: 孙桂芝
Original assignee: Yantai Vocational College
Current assignee: Yantai Vocational College
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-26
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the field of batteries and discloses a battery fireproof device which comprises a fixed shell, wherein the inner side of the fixed shell is fixedly connected to the outer side of a protective shell, a slot is formed in the inner side of the protective shell, the outer side of the slot is fixedly connected to the outer side of a battery, a protective cover is arranged at the upper end of the fixed shell, the bottom end of the protective cover is fixedly connected to the upper end of a sand box, rubber layers are arranged at four corners of the bottom end of the sand box, fine sand is arranged in the sand box, a cavity is formed between the bottom end of the sand box and the upper end of the battery, and a fireproof layer and an insulating layer are sequentially arranged on the protective shell from outside to inside. According to the utility model, when the battery is in fire, the rubber layer at the bottom end of the sand box is burned, so that fine sand in the sand box is covered on the upper part of the battery, the battery is isolated from air, flame retardance is carried out, the fire disaster caused by the ignition of the battery is prevented, and meanwhile, the battery is prevented from being fire-proof and insulated through the fireproof layer and the insulating layer.

Description

Battery fire protection device

Technical Field

The utility model relates to the field of batteries, in particular to a battery fireproof device.

Background

Lithium batteries refer to batteries that contain lithium (including metallic lithium, lithium alloys, and lithium ions, lithium polymers) in an electrochemical system, and can be broadly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The lithium battery is widely applied to products such as electric automobiles, mobile phone batteries and the like due to high energy storage and convenient charge and discharge.

In the process of using the lithium battery by the electric vehicle, fire is extremely easy to happen, if fire cannot be extinguished in time, fire spreading can be caused, the safety of surrounding environment is affected, if the fire happens when the lithium battery is charged in a residential building, the fire of the residential building can possibly happen, and therefore a battery fireproof device is required to be designed, the fire of the lithium battery is prevented, and the fire spreading is prevented.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a battery fireproof device which can prevent a lithium battery from generating a fire and prevent the fire from spreading.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the battery fireproof device comprises a fixed shell, wherein the inner side of the fixed shell is fixedly connected to the outer side of a protective shell, a slot is formed in the inner side of the protective shell, the slotted outer side is fixedly connected to the outer side of a battery, a protective cover is arranged at the upper end of the fixed shell, the bottom end of the protective cover is fixedly connected to the upper end of a sand box, rubber layers are arranged at four corners of the bottom end of the sand box, and fine sand is arranged in the sand box;

through the technical scheme, when the battery breaks out a fire disaster, the rubber layer at the bottom end of the sand box is burned, so that fine sand in the sand box is covered on the upper part of the battery, the battery is isolated from air, flame retardance is carried out, and the fire disaster caused by the ignition of the battery is prevented.

Further, clamping grooves are formed in the periphery of the upper end of the fixing shell and are clamped with the periphery of the bottom end of the protective cover;

through above-mentioned technical scheme, be convenient for fix between protective cover and the fixed shell, increase the gas tightness.

Further, a cavity is arranged between the bottom end of the sand box and the upper end of the battery;

through above-mentioned technical scheme, fine sand fills the cavity, with air and battery isolation, sets up the cavity, guarantees the filling range of fine sand.

Further, handles are fixedly connected to the middle parts of the front side and the rear side of the upper end of the protective cover;

through above-mentioned technical scheme, the opening of the protective cover of being convenient for.

Further, the middle parts of the left side and the right side of the upper end and the lower end of the sand box are respectively provided with a first opening, the middle parts of the left side and the right side of the upper end of the protective cover are respectively provided with a second opening, the middle parts of the left side and the right side of the upper end of the battery are respectively fixedly connected to one end of a binding post, and the other end of the binding post respectively penetrates through the first opening and the second opening and extends;

through above-mentioned technical scheme, make the power cord of battery can link to each other with the outside through the terminal, be convenient for protect the power cord of battery simultaneously.

Further, the protective shell is sequentially provided with a fireproof layer and an insulating layer from outside to inside;

through the technical scheme, the battery is fireproof and insulating.

through above-mentioned technical scheme, fire prevention ceramic fiber all has good fire prevention and fire-retardant characteristic, can be when the battery fires with isolated all around, prevent that the fire from spreading.

Further, the insulating layer is made of asbestos materials;

by the technical scheme, the asbestos has good insulation and fireproof characteristics.

The utility model has the following beneficial effects:

according to the utility model, when a fire disaster happens to the battery, the rubber layer at the bottom end of the sand box is burned, so that fine sand in the sand box is covered in the cavity arranged at the upper part of the battery, the cavity is filled with the fine sand, the battery is isolated from air, the fire disaster is prevented from being caused by the ignition of the battery, and meanwhile, the battery is protected through the fireproof layer and the insulating layer, so that when the fire disaster happens to the battery, the battery can be timely put out, and the loss and the influence on the surrounding environment are reduced.

Drawings

Fig. 1 is a front view of a fire protection device for a battery according to the present utility model;

fig. 2 is a schematic diagram of a split structure of a fire protection device for a battery according to the present utility model;

fig. 3 is a bottom view of a sand box of a fire protection device for a battery according to the present utility model;

fig. 4 is a schematic diagram of a protective housing of a battery fire protection device according to the present utility model.

Legend description:

1. a fixed case; 2. a protective shell; 3. slotting; 4. a battery; 5. a clamping groove; 6. a protective cover; 7. a sand box; 8. a rubber layer; 9. fine sand; 10. a cavity; 11. a handle; 12. binding posts; 13. a first opening; 14. a second opening; 15. a fire-blocking layer; 16. an insulating layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a battery fire protection device, including fixed shell 1, the inboard fixed connection of fixed shell 1 is in the outside of protecting crust 2, the inboard of protecting crust 2 is provided with fluting 3, the outside fixed connection of fluting 3 is in the outside of battery 4, the upper end of fixed shell 1 is provided with shield cover 6, the bottom fixed connection of shield cover 6 is in the upper end of sand box 7, the bottom four corners department of sand box 7 all is provided with rubber layer 8, be provided with fine sand 9 in the sand box 7, when battery 4 breaks out the conflagration, burn the rubber layer 8 of sand box 7 bottom, make the fine sand 9 cover in the sand box 7 in battery 4 upper portion, make battery 4 and air isolation, fire-retardant, prevent that battery 4 from catching fire and leading to the fire.

The upper end department all around of fixed casing 1 is provided with draw-in groove 5, the draw-in groove 5 and the bottom department block all around of protecting cover 6, be convenient for fix between protecting cover 6 and the fixed casing 1, increase the gas tightness, be provided with cavity 10 between the upper end of bottom and battery 4 of sand box 7, fine sand 9 fills cavity 10, it is isolated with battery 4 to be provided with cavity 10, guarantee the scope of filling of fine sand 9, the equal fixedly connected with handle 11 in the middle part around the upper end of protecting cover 6, be convenient for the opening of protecting cover 6, the upper and lower end of sand box 7 all is provided with first trompil 13 about the middle part, the upper end of protecting cover 6 all is provided with second trompil 14 about the upper end of battery 4, equal fixed connection in the one end of terminal 12, the other end of terminal 12 passes first trompil 13 and second trompil 14 respectively and extends, make the power cord of battery 4 link to each other with the outside through terminal 12, be convenient for simultaneously carry out the power cord to battery 4, protecting cover 2 has set gradually flame protection layer 15 and insulating layer 16 from outside to inside, the insulating layer 16 has good effect on the battery 4, the insulating layer has good fire protection layer 16 and insulating layer, fire protection layer 16 has the fire-proof property is good, fire-proof property is good when the insulating layer is adopted with the insulating layer 16, fire protection layer is good, fire-proof and the fire-proof layer is used with the insulating layer is well, and has fire-proof property and has the fire-proof property.

Working principle: when the battery 4 fires, burn out the rubber layer 8 of sand box 7 bottom, make the thin sand 9 cover in the sand box 7 in the cavity 10 that battery 4 upper portion set up, make the cavity 10 fill up thin sand 9, make battery 4 and air carry out the isolated action, fire-retardant to the conflagration, prevent that battery 4 fires and lead to causing the conflagration, protect battery 4 through flame retardant coating 15 and insulating layer 16 simultaneously.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a battery fire prevention device, includes fixed casing (1), its characterized in that: the utility model discloses a sand box, including sand box (7), including fixed shell (1), sand box (7), rubber layer (8) are all provided with in the bottom four corners department of sand box (7), the outside of battery (4) is in the outside of fixed connection of fixed shell (1), the inboard fixed connection of fixed shell (1) is in the outside of protecting shell (2), the outside fixed connection of fluting (3), the upper end of fixed shell (1) is provided with shield cap (6), the bottom fixed connection of shield cap (6) is in the upper end of sand box (7), the bottom four corners department of sand box (7) all is provided with rubber layer (8), be provided with fine sand (9) in the sand box (7).

2. A battery fire protection apparatus according to claim 1, wherein: the upper end of the fixed shell (1) is provided with a clamping groove (5) at the periphery, and the clamping groove (5) is clamped with the periphery of the bottom end of the protective cover (6).

3. A battery fire protection apparatus according to claim 1, wherein: a cavity (10) is arranged between the bottom end of the sand box (7) and the upper end of the battery (4).

4. A battery fire protection apparatus according to claim 1, wherein: the middle parts of the front side and the rear side of the upper end of the protective cover (6) are fixedly connected with handles (11).

5. A battery fire protection apparatus according to claim 1, wherein: the sand box is characterized in that first holes (13) are formed in the middle of the left side and the right side of the upper end of the sand box (7), second holes (14) are formed in the middle of the left side and the right side of the upper end of the protective cover (6), the middle of the left side and the right side of the upper end of the battery (4) is fixedly connected to one end of a binding post (12), and the other end of the binding post (12) penetrates through the first holes (13) and the second holes (14) respectively and extends.

6. A battery fire protection apparatus according to claim 1, wherein: the protective shell (2) is sequentially provided with a fireproof layer (15) and an insulating layer (16) from outside to inside.

7. The battery fire protection apparatus of claim 6, wherein: the fireproof layer (15) is made of fireproof ceramic fiber materials.

8. The battery fire protection apparatus of claim 6, wherein: the insulating layer (16) is made of asbestos.