CN220833905U

CN220833905U - Fireproof device for solid-state battery

Info

Publication number: CN220833905U
Application number: CN202322455899.3U
Authority: CN
Inventors: 胡斌; 叶姗; 叶志威
Original assignee: Hubei Zhongyuan Environmental Protection Technology Co ltd
Current assignee: Hubei Zhongyuan Environmental Protection Technology Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-26
Anticipated expiration: 2033-09-11

Abstract

The utility model provides a fireproof device for a solid-state battery, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a sealing frame, the interior of the sealing frame is connected with at least one first baffle, a plurality of second baffles are arranged between the first baffle and between the first baffle and the sealing frame, the first baffle and the second baffle divide the interior of the sealing frame into a plurality of identical battery installation spaces, each battery installation space is internally provided with a solid-state battery pack, and the inner wall of each battery installation space is fixedly connected with a temperature sensor; the both sides symmetry of sealing frame is connected with the bar box, and the bottom of bar box is sealed through the bar closing plate, and the top of bar box, sealing frame is sealed through the top closing plate, and the quantity of fire extinguisher bottle is two at least in every bar box, and the equal threaded connection of bottleneck department of every fire extinguisher bottle has the connector. The utility model can rapidly extinguish fire of the solid-state battery pack, and improves the safety of the whole vehicle.

Description

Fireproof device for solid-state battery

Technical Field

The utility model belongs to the technical field of solid-state batteries, and particularly relates to a fireproof device for a solid-state battery.

Background

The battery pack formed by connecting a plurality of solid single batteries in series or in parallel is widely applied to various electric vehicles, the problem of heat generation exists in the working process of the lithium ion battery, particularly in the process of high-current charge and discharge, the heat generation phenomenon is more obvious, and if the heat cannot be timely diffused, the heat is accumulated in the battery, so that the speed of side reaction of a battery interface is increased.

On the other hand, excessive heat accumulation may cause thermal runaway of the battery, and although manufacturers claim that the battery pack is provided with safety fire protection, the occurrence of fire caused by spontaneous combustion of the battery is also noted when the vehicle is parked and unattended. For this purpose we propose a fire protection device for solid state batteries.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides a fireproof device for a solid-state battery.

The technical scheme of the utility model is realized as follows:

The fireproof device for the solid-state battery comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a sealing frame, the inside of the sealing frame is connected with a first partition plate, at least one first partition plate is provided with a plurality of second partition plates, a plurality of same battery installation spaces are divided into the sealing frame by the first partition plates and the second partition plates, each battery installation space is internally provided with a solid-state battery pack, and the inner wall of each battery installation space is fixedly connected with a temperature sensor;

The both sides symmetry of sealing frame is connected with the bar box, the bottom of bar box is sealed through the bar closing plate, the top of bar box, sealing frame is sealed through the top closing plate, the quantity of fire extinguisher bottle in every bar box is two at least, the equal threaded connection in bottleneck department of every fire extinguisher bottle has the connector, connect first pipe on the connector, first pipe connection has two at least second pipes, the quantity of all second pipes equals with the quantity in battery installation cavity, the shower nozzle is all installed to the end of every second pipe, the shower nozzle is arranged in battery installation space, all install electromagnetic valve on every second pipe.

Preferably, the lower ends of the sides of the strip-shaped box bodies, which are far away from each other, are fixedly connected with connecting seats.

Preferably, the strip-shaped box body is internally provided with a first foam pad and a second foam pad, one sides of the first foam pad and the second foam pad, which are close, are respectively provided with a fire extinguisher bottle placing cavity, and the fire extinguisher bottles are placed in the fire extinguisher bottle placing cavities.

Preferably, the top both ends of second baffle all are equipped with the bar and place the mouth, and the one end and the bar box intercommunication of mouth are placed to the bar, and the second pipe is all placed in the mouth is placed to the bar.

Preferably, one side of the strip-shaped placing opening is provided with a placing opening, and the spray head is placed in the placing opening to be limited and fixed.

Preferably, the strip-shaped sealing plate and the bottom of the strip-shaped box body are fastened through bolts.

Compared with the prior art, the fire extinguisher provided by the utility model can be used and closed by controlling the electromagnetic valve to open and close, so that the fire extinguishing operation of the solid-state battery pack on fire in the installation space is realized, the safety of vehicle use is greatly improved, and the damage degree of the vehicle is greatly reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of a fire protection device for a solid-state battery according to the present utility model.

Fig. 2 is a schematic view showing a part of the structure of a fire protection device for a solid-state battery according to the present utility model.

Fig. 3 is a connection diagram of a fire extinguisher bottle and a first and a second foam pad of a fire protection device for a solid-state battery according to the present utility model.

Fig. 4 is a connection diagram of a fire extinguisher bottle and a connector of a fire protection device for a solid state battery according to the present utility model.

In the figure: 1. a bottom plate; 2. a first separator; 3. a sealing frame; 4. a strip-shaped placing port; 5. a fire extinguisher bottle; 6. a strip-shaped box body; 7. a connecting seat; 8. a placement port; 9. a solid state battery; 10. a first foam pad; 11. a fire extinguisher bottle placement cavity; 12. a second foam pad; 13. a top sealing plate; 14. a temperature sensor; 15. a second separator; 16. an electromagnetic valve; 17. a spray head; 18. a second conduit; 19. a strip-shaped sealing plate; 20. a connector; 21. a first conduit.

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, the present utility model provides a technical solution: the fireproof device for the solid-state battery comprises a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a sealing frame 3, the inside of the sealing frame 3 is connected with a first separator 2, at least one first separator 2 is arranged, a plurality of second separators 15 are arranged between the first separator 2 and between the first separator 2 and the sealing frame 3, the inside of the sealing frame 3 is divided into a plurality of identical battery installation spaces by the first separators 2 and the second separators 15, each battery installation space is internally provided with a solid-state battery pack 9, and the inner wall of each battery installation space is fixedly connected with a temperature sensor 14;

The two sides of the sealing frame 3 are symmetrically connected with the strip-shaped box body 6, the bottom of the strip-shaped box body 6 is sealed by the strip-shaped sealing plate 19, and the strip-shaped sealing plate 19 and the bottom of the strip-shaped box body 6 are fastened by bolts, so that each fire extinguisher bottle 5 has a service life, and when the service life is up, a vehicle can be lifted to a professional place, and the strip-shaped sealing plate 19 is opened for replacing a plurality of fire extinguisher bottles;

The top of the strip-shaped box body 6 and the top of the sealing frame 3 are sealed through the top sealing plate 13, the number of fire extinguisher bottles 5 in each strip-shaped box body 6 is at least two, connectors 20 are connected to the bottle mouths of each fire extinguisher bottle 5 in a threaded manner, first guide pipes 21 are connected to the connectors 20, the first guide pipes 21 are connected with at least two second guide pipes 18, the number of all the second guide pipes 18 is equal to that of battery mounting cavities, spray heads 17 are mounted at the tail ends of each second guide pipe 18, the spray heads 17 are arranged in the battery mounting space, and electromagnetic valves 16 are mounted on each second guide pipe 18;

Specifically, when the fire extinguisher is used, as shown in fig. 1 and 3, the temperature sensor 14 and the electromagnetic valve 16 are connected with the main board of the automobile through wires, when fire occurs in the battery installation space, the main board controls the corresponding electromagnetic valve 16 to be opened, and the fire extinguisher bottle 5 can perform fire extinguishing operation on the battery installation space through the spray nozzle 17, so that the damage degree of the automobile can be effectively reduced, and the use safety of the automobile is improved.

Further, the lower ends of the sides of the strip-shaped box bodies 6 which are far away from each other are fixedly connected with connecting seats 7;

as shown in fig. 1 and 2, the connection seat 7 is arranged to facilitate the installation and fixation of the device and the vehicle body.

Further, a first foam pad 10 and a second foam pad 12 are arranged in the strip-shaped box body 6, a fire extinguisher bottle placing cavity 11 is arranged on one side, close to the first foam pad 10 and the second foam pad 12, of the strip-shaped box body, and the fire extinguisher bottle 5 is placed in the fire extinguisher bottle placing cavity 11;

As shown in fig. 2 and 3, the first foam pad 10 and the second foam pad 12 can play a role in clamping and fixing the fire extinguisher bottle 5, and the arranged fire extinguisher bottle placing cavity 11 can play a limiting role on the fire extinguisher bottle 5, so that the placing stability of the fire extinguisher bottle 5 can be improved.

Further, two ends of the top of the second partition plate 15 are respectively provided with a strip-shaped placing opening 4, one end of the strip-shaped placing opening 4 is communicated with the strip-shaped box body 6, and the second guide pipes 18 are respectively arranged in the strip-shaped placing openings 4;

as shown in fig. 1 and 2, the strip-shaped placement port 4 can play a role of limiting and accommodating the second conduit 18.

Further, one side of the strip-shaped placing port 4 is provided with a placing port 8, and a spray head 17 is placed in the placing port 8 for limiting and fixing;

As shown in fig. 1 and 2, the nozzle 17 is fixed through the placement opening 8, so that the nozzle can be prevented from shaking in the battery installation space, and normal fire extinguishing operation can be ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire protection device for solid-state battery, includes bottom plate (1), its characterized in that, the top fixedly connected with sealed frame (3) of bottom plate (1), sealed frame (3) internally connected with first baffle (2), first baffle (2) are one at least, are equipped with polylith second baffle (15) between first baffle (2) and between first baffle (2) and sealed frame (3), and first baffle (2) and second baffle (15) divide into a plurality of the same battery installation space with sealed frame (3) in, all are equipped with solid-state battery group (9) and all fixedly connected with temperature sensor (14) on the inner wall in every battery installation space;

The both sides symmetry of sealed frame (3) is connected with bar box (6), bar box (6) bottom is sealed through bar closing plate (19), bar box (6), the top of sealed frame (3) is sealed through top closing plate (13), fire extinguisher bottle (5) quantity is two at least in every bar box (6), the equal threaded connection of bottleneck department of every fire extinguisher bottle (5) has connector (20), connect first pipe (21) on connector (20), first pipe (21) are connected with two at least second pipes (18), the quantity and the quantity in battery installation cavity of all second pipes (18) are equal, shower nozzle (17) are all installed to the end of every second pipe (18), in battery installation space is arranged in shower nozzle (17), electromagnetic valve (16) are all installed on every second pipe (18).

2. The fire protection device for a solid-state battery according to claim 1, wherein the lower ends of the sides of the strip-shaped case (6) which are far away from each other are fixedly connected with connecting seats (7).

3. The fire protection device for the solid-state battery according to claim 1, wherein the strip-shaped box body (6) is internally provided with a first foam pad (10) and a second foam pad (12), one side, close to the first foam pad (10) and the second foam pad (12), of the strip-shaped box body is provided with a fire extinguisher bottle placing cavity (11), and the fire extinguisher bottle (5) is placed in the fire extinguisher bottle placing cavity (11).

4. The fire protection device for a solid-state battery according to claim 1, wherein both ends of the top of the second separator (15) are provided with strip-shaped placing openings (4), one end of each strip-shaped placing opening (4) is communicated with the strip-shaped box body (6), and the second guide pipes (18) are arranged in each strip-shaped placing opening (4).

5. The fire protection device for solid-state batteries according to claim 4, wherein the placement opening (8) is provided on one side of the strip-shaped placement opening (4), and the nozzle (17) is placed in the placement opening (8) to be limited and fixed.

6. The fire protection device for a solid-state battery according to claim 4, wherein the strip-shaped sealing plate (19) and the bottom of the strip-shaped case (6) are fastened by bolts.