CN214625154U

CN214625154U - Lithium cell prevents burning protection device

Info

Publication number: CN214625154U
Application number: CN202121050287.0U
Authority: CN
Inventors: 马进发
Original assignee: Shandong Anli Fire Equipment Co ltd
Current assignee: Shandong Anli Fire Equipment Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-05
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a lithium cell fire prevention protection device, including outer box body, the preceding opening of outer box body, the first baffle of the preceding fixed mounting of outer box body, box body in the fixed mounting of outer box body, the preceding opening of interior box body, the preceding fixed mounting second baffle of interior box body, the outer box body inner wall of fixed connection respectively at the left and right both ends of second baffle, outer box body, form cavity one between interior box body and the second baffle, the fire extinguishing agent that flows is being sealed in cavity one, form cavity two between first baffle and the second baffle, install the circuit board in the cavity two, the first elasticity otter board of two bilateral symmetry distributions of fixed mounting in the interior box body, both ends are fixed mounting second elasticity otter board respectively around two first elasticity otter board inboards. The utility model has the advantages of reasonable design, convenient to use packs fire extinguishing agent in a cavity, and when lithium cell itself or peripheral temperature reached the settlement temperature, fire extinguishing agent blowout cooling was fire-retardant, has improved the security performance, prevents effectively that the lithium cell from because of conflagration and the explosion that thermal runaway arouses, the protection personal and property safety.

Description

Lithium cell prevents burning protection device

Technical Field

The utility model relates to a protection device specifically is a lithium cell thermal runaway prevents burning protection device.

Background

The lithium battery is an electric appliance which is economic, environment-friendly, sufficient in electric quantity, suitable for high power and long-time use, plays a very important role in daily life, and is easy to cause fire or explosion in the use process due to thermal runaway, so that personal and property loss is caused, and a combustion-proof protection device needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell thermal runaway prevents burning protection device to solve the problem that prior art exists.

In order to achieve the above object, the utility model provides a following technical scheme:

a lithium battery thermal runaway combustion-proof protection device comprises an outer box body, a front opening of the outer box body, a first baffle fixedly installed in front of the outer box body, an inner box body fixedly installed in the outer box body, a front opening of the inner box body, a second baffle fixedly installed in front of the inner box body, left and right ends of the second baffle are respectively and fixedly connected with the inner wall of the outer box body, a first cavity is formed between the outer box body, the inner box body and the second baffle, a flowable fire extinguishing agent is sealed in the first cavity, a second cavity is formed between the first baffle and the second baffle, a circuit board is installed in the second cavity, two first elastic screen plates which are symmetrically distributed left and right are fixedly installed in the inner box body, second elastic screen plates are respectively and fixedly installed at front and rear ends of the inner sides of the two first elastic screen plates, lithium batteries are installed between the two first elastic screen plates and the two second elastic screen plates, through holes are respectively formed in left and right sides of the inner box body, and transverse pipes are arranged in the through holes, violently manage and be connected through sealed bearing between the periphery and the corresponding through-hole inner wall, violently manage one end and be located cavity one, violently manage the other end and be located interior box body, and violently manage the other end and install the nozzle, the nozzle is located the first elasticity otter board outside, violently is equipped with the solenoid valve on the pipe, is equipped with temperature-sensing ware on the lithium cell, installs temperature controller in the cavity two, solenoid valve, temperature-sensing ware all with temperature-sensing ware electric connection.

According to the lithium battery thermal runaway combustion prevention protection device, the bottom surface of the first baffle is provided with the charging port.

According to the lithium battery thermal runaway combustion-preventing protection device, the lithium battery is electrically connected with the circuit board.

According to the lithium battery thermal runaway combustion-proof protection device, the left side of the outer box body is provided with the agent injection port, and the outer end of the agent injection port is provided with the sealing cover.

According to the lithium battery thermal runaway combustion-preventing protection device, the nozzle is a high-pressure nozzle.

According to the lithium battery thermal runaway combustion-proof protection device, the outer box body and the inner box body are made of metal materials.

The utility model has the advantages that: the utility model has the advantages of reasonable design, convenient to use packs fire extinguishing agent in a cavity, and when lithium cell itself or peripheral temperature reached the settlement temperature, fire extinguishing agent blowout cooling was fire-retardant, has improved the security performance, effectively prevents conflagration expansion and explosion, protection personal and property safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: 1. an outer case; 2. a first baffle plate; 3. an inner box body; 4. a second baffle; 5. a first chamber; 6. a second chamber; 7. a circuit board; 8. a first elastic mesh plate; 9. a second elastic mesh plate; 10. a lithium battery; 11. a through hole; 12. a transverse tube; 13. a nozzle; 14. an electromagnetic valve; 15. a temperature sensor; 16. A temperature controller; 17. a charging port; 18. an injection port; 19. and (7) sealing the cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1, a lithium battery thermal runaway combustion-proof protection device comprises an outer box body 1, a front opening of the outer box body 1, a first baffle 2 fixedly installed in front of the outer box body 1, an inner box body 3 fixedly installed in the outer box body 1, a front opening of the inner box body 3, a second baffle 4 fixedly installed in front of the inner box body 3, the left end and the right end of the second baffle 4 are respectively and fixedly connected with the inner wall of the outer box body 1, a cavity I5 is formed between the outer box body 1, the inner box body 3 and the second baffle 4, a flowing fire extinguishing agent is sealed in the cavity I5, a cavity II 6 is formed between the first baffle 2 and the second baffle 4, a circuit board 7 is installed in the cavity II 6, two first elastic screen plates 8 which are distributed in bilateral symmetry are fixedly installed in the inner box body 3, second elastic screen plates 9 are respectively and fixedly installed at the front end and the rear end of the inner side of the two first elastic screen plates 8, a lithium battery 10 is installed between the two first elastic screen plates 8 and the two second elastic screen plates 9, through-hole 11 is seted up respectively to the 3 left and right sides of interior box body, be equipped with violently pipe 12 in the through-hole 11, violently pipe 12 periphery and correspond and be connected through sealed bearing between the 11 inner walls of through-hole, violently pipe 12 one end is located cavity 5, violently the pipe 12 other end is located interior box body 3, and violently the pipe 12 other end installs nozzle 13, nozzle 13 is located the 8 outsides of first elasticity otter board, violently be equipped with solenoid valve 14 on the pipe 12, be equipped with temperature-sensing ware 15 on the lithium cell 10, install temperature controller 16 in cavity two 6, solenoid valve 14, temperature-sensing ware 15 all with 16 electric connection of temperature controller. When the lithium battery is used, when the temperature of the lithium battery 10 or the ambient temperature reaches 68 ℃, the temperature sensor 15 sends the signal to the temperature controller 16, the temperature controller 16 controls the electromagnetic valve 14 to be opened, at the moment, the fire extinguishing agent in the first cavity 5 is sprayed out through the transverse pipe 12 through the nozzle 13 and is sprayed on the lithium battery 10 through meshes on the first elastic screen plate 8, and therefore the temperature of the lithium battery 10 can be reduced; the utility model has the advantages of reasonable design, convenient to use packs fire extinguishing agent in cavity 5, and when lithium cell 10 and ambient temperature reached the settlement temperature, fire extinguishing agent blowout cooling was fire-retardant, has improved the security performance, effectively prevents that the conflagration from enlarging and explosion, protection personal and property safety.

Specifically, the first shutter 2 according to the present embodiment is provided with a charging port 17 on the bottom surface thereof.

Specifically, the lithium battery 10 described in this embodiment is electrically connected to the circuit board 7.

Furthermore, the left side of the outer box 1 of this embodiment is provided with an injection port 18, and the outer end of the injection port 18 is provided with a sealing cover 19. The fire extinguishing agent is conveniently injected into the first chamber 5 through the agent injection port 18; a sealing cover 19 is also provided to seal the injection port 18.

Further, the nozzle 13 of the present embodiment is a high pressure nozzle.

Furthermore, the outer box 1 and the inner box 3 are made of metal.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a lithium cell prevents burning protection device which characterized in that: comprises an outer box body (1), a front opening of the outer box body (1), a first baffle (2) fixedly installed in front of the outer box body (1), an inner box body (3) fixedly installed in the outer box body (1), a front opening of the inner box body (3), a second baffle (4) fixedly installed in front of the inner box body (3), the left end and the right end of the second baffle (4) are respectively and fixedly connected with the inner wall of the outer box body (1), a cavity I (5) is formed between the outer box body (1), the inner box body (3) and the second baffle (4), a flowing fire extinguishing agent is sealed in the cavity I (5), a cavity II (6) is formed between the first baffle (2) and the second baffle (4), a circuit board (7) is installed in the cavity II (6), two first elastic screen boards (8) which are symmetrically distributed left and right are fixedly installed in the inner box body (3), and second elastic screen boards (9) are respectively and fixedly installed at the front end and rear end of the inner sides of the two first elastic screen boards (8), install lithium cell (10) between two first elasticity otter board (8) and two second elasticity otter board (9), through-hole (11) are seted up respectively to interior box body (3) left and right sides, be equipped with violently pipe (12) in through-hole (11), violently pipe (12) periphery is connected through sealed bearing between corresponding through-hole (11) inner wall, violently pipe (12) one end is located cavity one (5), violently pipe (12) other end is located interior box body (3), and violently pipe (12) other end installs nozzle (13), nozzle (13) are located first elasticity otter board (8) outside, be equipped with solenoid valve (14) on violently pipe (12), be equipped with temperature-sensing ware (15) on lithium cell (10), install temperature controller (16) in cavity two (6), solenoid valve (14), temperature-sensing ware (15) all with temperature-sensing ware (16) electric connection.

2. The lithium battery combustion-preventing protection device as claimed in claim 1, wherein: the bottom surface of the first baffle (2) is provided with a charging port (17).

3. The lithium battery combustion-preventing protection device as claimed in claim 1, wherein: the lithium battery (10) is electrically connected with the circuit board (7).

4. The lithium battery combustion-preventing protection device as claimed in claim 1, wherein: the left side of the outer box body (1) is provided with an injection port (18), and the outer end of the injection port (18) is provided with a sealing cover (19).

5. The lithium battery combustion-preventing protection device as claimed in claim 1, wherein: the nozzle (13) is a high-pressure nozzle.

6. The lithium battery combustion-preventing protection device as claimed in claim 1, wherein: the outer box body (1) and the inner box body (3) are both made of metal materials.