CN216755250U

CN216755250U - Special device for fire suppression of lithium ion battery bin

Info

Publication number: CN216755250U
Application number: CN202121913560.8U
Authority: CN
Inventors: 周博; 张蓁; 李从健; 窦跃华
Original assignee: Jinan Noah Emergency Equipment Co ltd
Current assignee: Jinan Noah Emergency Equipment Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-06-17
Anticipated expiration: 2031-08-16

Abstract

The utility model relates to the technical field of fire suppression of lithium ion battery bins, and discloses a special device for fire suppression of a lithium ion battery bin. The utility model solves the problems of battery fire and battery bin deflagration after battery thermal runaway of the battery bin, for example, the battery fire cannot be directly extinguished by using media such as water when emergency conditions such as battery thermal runaway and the like occur due to overcharge of the battery bin, a battery cabinet and the like for outdoor use or external heat sources cause the battery thermal runaway and the like, chain reaction of adjacent battery units is caused by a runaway battery unit, and great economic loss is caused because the maintenance personnel cannot have enough time to deal with the emergency conditions.

Description

Special device for fire suppression of lithium ion battery bin

Technical Field

The utility model relates to the technical field of fire suppression of lithium ion batteries, in particular to a special device for fire suppression of a lithium ion battery cabin.

Background

Lithium ion batteries have been widely used in small electronic devices and are also being gradually used in the fields of electric bicycles, battery cars, energy storage stations, electric vehicles, hybrid vehicles, and the like, due to their advantages of high energy density, high output voltage, long cycle life, little environmental pollution, no memory, and the like. However, the lithium ion battery is influenced by environmental factors, is impacted or has quality problems, and the like, which are very easy to leak, smoke, deflate and the like, when serious, even explosion accidents occur, all reports are seen at all times, the energy storage bin catches fire, the lithium ion battery production workshop and the warehouse catch fire, and the lithium ion battery catches fire and the like in the charging process of the electric vehicle, so that casualties and property losses are frequent. The search for a lithium ion battery fire suppression technology which can rapidly suppress lithium ion battery fires, reduce casualties and property loss and avoid secondary disasters gradually becomes a hotspot for research of vast research institutes, equipment manufacturers and battery manufacturers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special device for fire suppression of a lithium ion battery compartment, which can achieve the purposes of quickly suppressing the battery fire, striving for time for maintenance operators, reducing the loss of the battery compartment and the like, avoiding the subsequent chain reaction of batteries and improving the safety of the battery compartment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lithium ion battery storehouse conflagration restraines isolated plant, includes suppression device body, fills dress subassembly, electricity start-up subassembly, signal feedback subassembly, seal assembly, temperature sensing subassembly, pretension subassembly, release subassembly. The filling assembly is connected with the suppression device body, the suppression device body is connected with the electric starting assembly, the suppression device body is connected with the signal feedback assembly, the suppression device body is connected with the release assembly, the sealing assembly is placed in the suppression device body, the temperature sensing assembly is connected with the sealing assembly, and the pre-tightening assembly is connected with the temperature sensing assembly.

The preferred temperature sensing assembly and the electric starting assembly are in the same cavity.

The preferred seal assembly is a clearance fit with the suppression device body, relying on the seal to contact the seal.

The preferred filling assembly and the suppression device body adopt clearance fit, and are sealed by contact of a sealing piece, and the filling assembly has a one-way filling function.

The preferred suppression device body is connected with the signal feedback subassembly, and the suppression device body upper chamber body can communicate with the signal feedback subassembly after seal assembly moves down.

The preferred temperature sensing subassembly is connected with seal assembly, and seal assembly can move down after temperature sensing subassembly reaches certain temperature and takes place the deformation.

Preferably, the restraining device body is connected to the release assembly such that the cavity in the restraining device body can only communicate with the release assembly when the seal assembly is moved downwardly.

The utility model provides a special device for fire suppression of a lithium ion battery cabin. The method has the following beneficial effects:

(1) the utility model is provided with a temperature sensing component and an electric starting component. The temperature sensing component is connected with the release component, and when the set temperature of the temperature sensing component is reached, the sealing component moves the medicament downwards and the medicament is sprayed out of the release component to realize temperature sensing self-starting; the electric starting component and the temperature sensing component are in the same cavity, when the electric starting component receives a starting signal, the electric starting component triggers the temperature sensing component, and the sealing component moves the medicament downwards to be sprayed out from the releasing component to realize electric starting.

(2) The present invention incorporates a fill assembly. The assembly is provided with a one-way protection device, so that one-way filling and pressurizing can be realized, and the reverse automatic sealing function can be realized. The risks of medicament leakage, pressure reduction and the like are reduced.

(3) The present invention incorporates a seal assembly. The sealing surface with smaller specification of the assembly can realize effective isolation of the medicament bin and the release bin communicated with the release assembly, and the sealing surface with larger specification can realize effective isolation of the release bin, the temperature sensing assembly and the starting bin where the electric starting is positioned. Meanwhile, the assembly is also provided with threads at the joint with the temperature sensing assembly, so that maintenance workers can take out the sealing assembly conveniently.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a side partial cross-sectional view of the present invention.

In the figure: suppression device body (1), fill subassembly (2), seal 1(3), seal 2

(4) The device comprises a sealing component (5), a pre-tightening component (6), a tightening component (7), a temperature sensing component (8), a sealing element (3) (9), a releasing component (10), a signal feedback component (11) and an electric starting component (12).

Detailed Description

As shown in fig. 1-2, the present invention provides a technical solution: a fire suppression special device for a lithium ion battery compartment comprises a suppression device body (1), a charging assembly (2), a sealing element 1(3), a sealing element 2(4), a sealing assembly (5), a pre-tightening assembly (6), a tightening assembly (7), a temperature sensing assembly (8), a sealing element 3(9), a release assembly (10), a signal feedback assembly (11) and an electric starting assembly (12), wherein a threaded port of the suppression device body (1) is connected with a thread of the charging assembly (2), the sealing element 1(3) is arranged in a groove at the thin end of the sealing assembly (5), the sealing element 2(4) is arranged in a groove at the thick end of the sealing assembly (5), the sealing assembly (5) is pressed into the suppression device body (1), the temperature sensing assembly (8) is arranged in a groove of the sealing assembly (5), and a thread of the pre-tightening assembly (6) is connected and pre-tightened with an internal thread of the suppression device body (1), the tightening component (7) is in threaded connection with the pre-tightening component (6), the tightening component (7) is in contact pre-tightening with the temperature sensing component (8), and the electric starting component (12) is in threaded connection with the suppression device body (1).

The temperature sensing component (8) and the electric starting component (12) are arranged in the same cavity.

Further, the sealing assembly (5) is in clearance fit with the suppression device body (1) and is in contact sealing by virtue of the sealing pieces 1(3) and the sealing pieces 2 (4).

Further fill subassembly (2) and suppression device body (1) adopt clearance fit, rely on the sealing member contact sealed, fill subassembly (2) and have one-way filling function.

The suppression device body (1) is further connected with the signal feedback assembly (11), and the cavity on the suppression device body (1) can be communicated with the signal feedback assembly (11) after the sealing assembly (5) moves downwards.

Further temperature sensing subassembly (8) are connected with seal assembly (5), and when temperature sensing subassembly (8) reached certain temperature and took place the deformation back seal assembly (5) can move down.

The device body (1) is further restrained from being connected with the release assembly (10), and after the sealing assembly (5) moves downwards, the upper cavity of the device body (1) can be communicated with the release assembly (10).

In conclusion, the suppression device body is divided into a fire extinguishing agent bin, a release bin and a starting bin by the sealing assembly (5) arranged in the suppression device body (1). When the environment of the suppression device exceeds the set temperature of the temperature sensing component (8), the temperature sensing component deforms, the fire extinguishing agent pushes the sealing component (5) to move downwards, the fire extinguishing agent bin is communicated with the release bin, the fire extinguishing agent is released into a protection area through the release component, and the purpose of automatically starting the fire extinguishing device through temperature sensing is achieved; when the electric starting assembly (12) is triggered to act after the starting signal is received, the electric starting assembly (12) enables the temperature sensing assembly (8) to deform, the fire extinguishing agent pushes the sealing assembly (5) to move downwards, the fire extinguishing agent bin is communicated with the release bin, and the fire extinguishing agent is released into a protection area through the release assembly, so that the purpose of electrically starting the electric starting device is achieved. Meanwhile, as the signal feedback assembly (11) and the release assembly (10) are both positioned in the release bin, when the fire extinguishing agent is released, the signal feedback assembly (11) can feed back a fire extinguishing agent release signal to the host or the duty control room. The fire extinguishing agent is uniformly and completely submerged sprayed into the protection area through the releasing assembly (10), so that the battery fire is quickly restrained, time is won for maintenance operators, loss of the battery compartment is reduced, chain reaction of subsequent batteries is avoided, and the safety of the battery compartment is improved.

Claims

1. The utility model provides a lithium ion battery storehouse conflagration restraines isolated plant, includes restraines device body (1), fills dress subassembly (2), sealing member 1(3), sealing member 2(4), seal assembly (5), pretension subassembly (6), tight subassembly (7), temperature sensing subassembly (8), sealing member 3(9), release subassembly (10), signal feedback subassembly (11), electricity start-up subassembly (12), its characterized in that: the device is characterized in that the filling assembly (2) is connected with the suppression device body (1), the suppression device body (1) is connected with the electric starting assembly (12), the suppression device body (1) is connected with the signal feedback assembly (11), the suppression device body (1) is connected with the release assembly (10), the sealing assembly (5) is arranged in the suppression device body (1), the temperature sensing assembly (8) is connected with the sealing assembly (5), and the pre-tightening assembly (6) is connected with the temperature sensing assembly (8).

2. The fire suppression special device for the lithium ion battery compartment according to claim 1, characterized in that: the temperature sensing component (8) and the electric starting component (12) are in the same cavity.

3. The fire suppression special device for the lithium ion battery compartment according to claim 1, characterized in that: the sealing assembly (5) is in clearance fit with the suppression device body (1) and is in contact sealing by virtue of the sealing pieces 1(3) and the sealing pieces 2 (4).

4. The fire suppression special device for the lithium ion battery compartment according to claim 1, characterized in that: the filling assembly (2) and the suppression device body (1) adopt clearance fit, contact sealing is realized by the sealing elements (3) and (9), and the filling assembly (2) has a one-way filling function.

5. The fire suppression special device for the lithium ion battery compartment according to claim 1, characterized in that: the suppression device body (1) is connected with the signal feedback assembly (11), and the cavity on the suppression device body (1) can be communicated with the signal feedback assembly (11) after the sealing assembly (5) moves downwards.

6. The fire suppression special device for the lithium ion battery compartment according to claim 1, characterized in that: the temperature sensing assembly (8) is connected with the sealing assembly (5), and the sealing assembly (5) can move downwards after the temperature sensing assembly (8) reaches a certain temperature and deforms.

7. The special fire suppression device for the lithium ion battery compartment according to claim 1, characterized in that: the suppression device body (1) is connected with the release assembly (10), and the cavity on the suppression device body (1) can be communicated with the release assembly (10) after the sealing assembly (5) moves downwards.