CN209786127U

CN209786127U - Lithium battery fire-extinguishing alarm device

Info

Publication number: CN209786127U
Application number: CN201920772944.9U
Authority: CN
Inventors: 陶亚萍; 胡要花; 赵建果; 李大亮; 徐任用
Original assignee: Luoyang Normal University
Current assignee: Luoyang Normal University
Priority date: 2019-04-16
Filing date: 2019-05-27
Publication date: 2019-12-13
Anticipated expiration: 2029-05-27

Abstract

The utility model provides a lithium cell alarm device that puts out a fire, which comprises a housin, casing upper portion opening, be equipped with the battery in the casing, the casing upper end is equipped with the end cover, the cavity is seted up to the bottom surface in the end cover, be equipped with electrolyte solution in the cavity, top surface middle part fixed mounting montant in the cavity, montant lower extreme fixed mounting memory sheetmetal, the memory sheetmetal can plug up the cavity, embedded alarm of casing lower part left side fixed mounting and power, the power is located the alarm below, the recess is seted up in casing bottom surface left side, the first current conducting plate of bottom surface left and right sides difference fixed mounting and second current conducting plate in the recess, first current conducting plate has the connection. The utility model discloses structural design is simple, and convenient to use can send the warning to weeping, burning, and has the function of putting out a fire, and the guard effect is better, effectively reduces the potential safety hazard when the lithium cell uses, has improved the practicality of lithium cell, is fit for using widely.

Description

Lithium battery fire-extinguishing alarm device

Technical Field

The utility model belongs to the lithium cell field, specifically speaking are lithium cell alarm device that puts out a fire.

Background

The existing electric vehicle mostly adopts lithium batteries, potential safety hazards caused by the lithium batteries are frequently seen, sparks can be generated if the lithium batteries are too high in temperature during use, combustion is caused, the existing protection device is complex in structure, the battery on the electric vehicle cannot be suitable for flame retardance, warning cannot be timely sent out, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lithium cell alarm device that puts out a fire for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

The utility model provides a lithium cell alarm device that puts out a fire, which comprises a housin, casing upper portion opening, be equipped with the battery in the casing, the casing upper end is equipped with the end cover, the cavity is seted up to the bottom surface in the end cover, be equipped with electrolyte solution in the cavity, top surface middle part fixed mounting montant in the cavity, montant lower extreme fixed mounting memory sheetmetal, the memory sheetmetal can plug up the cavity, embedded alarm of casing lower part left side fixed mounting and power, the power is located the alarm below, the recess is seted up in casing bottom surface left side, the first current conducting plate of bottom surface left and right sides difference fixed mounting and second current conducting plate in the recess, first current conducting plate has the connection.

According to the lithium battery fire-extinguishing alarm device, the inner lower part of the cavity is of an inclined structure.

As for the lithium battery fire-extinguishing alarm device, the injection pipe is arranged on the right side of the top surface of the end cover and communicated with the inside of the cavity.

According to the lithium battery fire-extinguishing alarm device, the shell and the outer wall of the end cover are provided with the fireproof coating.

According to the lithium battery fire-extinguishing alarm device, the inner wall of the shell and the inner wall of the cavity are provided with the isolation coatings.

According to the lithium battery fire extinguishing alarm device, the seam between the shell and the end cover is provided with the fire retardant and the fire retardant coating.

The utility model has the advantages that: when the utility model is used, when the battery is on fire, the temperature in the shell rises rapidly, the left end and the right end of the memory metal sheet are bent downwards respectively due to high temperature, the memory metal sheet does not play a role in blocking the cavity after the state is changed, electrolyte liquid in the cavity flows downwards, the liquid flows along the outer wall of the battery to extinguish a fire, then the liquid drips to the inner bottom surface of the shell along the battery and flows into the groove, the electrolyte solution in the groove conducts electricity, so that the circuits of the alarm, the first current-conducting plate, the second current-conducting plate and the power supply are conducted, the power supply supplies power to the alarm, the alarm can give an alarm, and peripheral personnel are reminded of safety problems at; in the same way, when the battery leaks, the liquid enters the groove and can also give an alarm. The utility model discloses structural design is simple, and convenient to use can send the warning to weeping, burning, and has the function of putting out a fire, and the guard effect is better, effectively reduces the potential safety hazard when the lithium cell uses, has improved the practicality of lithium cell, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described 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; fig. 2 is an enlarged view of part i of fig. 1.

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.

The utility model provides a lithium cell alarm device that puts out a fire, as shown in the figure, including casing 1, 1 upper portion opening of casing, be equipped with battery 2 in the casing 1, 1 upper end of casing is equipped with end cover 3, cavity 4 is seted up to the bottom surface in the end cover 3, be equipped with electrolyte solution in the cavity 4, top surface middle part fixed mounting montant 5 in the cavity 4, 5 lower extreme fixed mounting memory sheetmetal 6 of montant, memory sheetmetal 6 can plug up cavity 4, embedded alarm 7 of 1 lower part left side fixed mounting of casing and power 8, power 8 is located alarm 7 below, recess 9 is seted up on the left of the bottom surface in the casing 1, the first current conducting plate 10 of bottom surface left and right sides difference fixed mounting and second current conducting plate 11 in the recess 9, first current conducting plate 10 has with alarm 7 to be connected, second. When the utility model is used, when the battery 2 is on fire, the temperature in the shell 1 rises rapidly, high temperature makes the left and right ends of the memory metal sheet 6 bend downwards respectively, the memory metal sheet 6 does not block the cavity 4 after the state is changed, electrolyte liquid in the cavity 4 flows downwards, the liquid flows along the outer wall of the battery 2 to extinguish fire, then the liquid drops to the inner bottom surface of the shell 1 along the battery 2 and flows into the groove 9, the electrolyte solution in the groove 9 conducts electricity, so that the circuits of the alarm 7, the first current-conducting plate 10, the second current-conducting plate 11 and the power supply 8 are conducted, the power supply 8 supplies power to the alarm 7, the alarm 7 can give an alarm, and peripheral personnel are reminded of safety problems at the position; in the same way, when the battery 2 leaks, the liquid enters the groove 9 and can also give an alarm. The utility model discloses structural design is simple, and convenient to use can send the warning to weeping, burning, and has the function of putting out a fire, and the guard effect is better, effectively reduces the potential safety hazard when the lithium cell uses, has improved the practicality of lithium cell, is fit for using widely.

Specifically, when the liquid in the cavity 4 flows out, a part of the liquid stays at the corner, and the inner lower part of the cavity 4 described in this embodiment is an inclined structure. The lower part is the slope structure in the cavity 4, and the liquid of being convenient for flows, avoids leaving over.

Specifically, after the liquid in the cavity 4 is used, and when the device can be used continuously without being damaged, new liquid needs to be added, the injection pipe 12 is arranged on the right side of the top surface of the end cover 3, and the injection pipe 12 is communicated with the inside of the cavity 4. The injection pipe 12 is communicated with the inside of the cavity 4, so that liquid can be conveniently added.

Further, the use of battery 2 may be influenced by external fire source, and the outer walls of casing 1 and end cover 3 described in this embodiment are provided with fireproof coatings. The fireproof coating enables the shell 1 and the end cover 3 to have fireproof performance, and adverse effects of external fire sources on the use of the battery 2 are avoided.

Furthermore, in the using process, the electrolyte liquid generated by the leakage of the battery 2 or the fire extinguishing can easily corrode the shell 1, and the inner wall of the shell 1 and the inner wall of the cavity 4 are provided with isolating coatings. The isolating coating can avoid the corrosion of the electrolyte to the shell 1 and the cavity 4, and plays a role in protection.

Furthermore, when the battery is ignited, firstly at the oxygen-rich place or at the oxygen place, the seam between the shell 1 and the end cover 3 is provided with a flame retardant and a flame retardant coating. The flame retardant and flame retardant coating can be targeted to prevent fires at these seam locations.

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 alarm device that puts out a fire which characterized in that: including casing (1), casing (1) upper portion opening, be equipped with battery (2) in casing (1), casing (1) upper end is equipped with end cover (3), cavity (4) are seted up to the bottom surface in end cover (3), be equipped with electrolyte solution in cavity (4), top surface middle part fixed mounting montant (5) in cavity (4), montant (5) lower extreme fixed mounting memory sheetmetal (6), memory sheetmetal (6) can be stopped up cavity (4), embedded alarm (7) of casing (1) lower part left side fixed mounting and power (8), power (8) are located alarm (7) below, recess (9) are seted up to casing (1) bottom left side, both sides are first current conducting plate (10) and second current conducting plate (11) respectively about recess (9) bottom surface, first current conducting plate (10) have with alarm (7) to be connected, second current conducting plate (11) have to be connected with power (8).

2. The lithium battery fire extinguishing alarm device according to claim 1, characterized in that: the inner lower part of the cavity (4) is of an inclined structure.

3. The lithium battery fire extinguishing alarm device according to claim 1, characterized in that: and an injection pipe (12) is arranged on the right side of the top surface of the end cover (3), and the injection pipe (12) is communicated with the inside of the cavity (4).

4. The lithium battery fire extinguishing alarm device according to claim 1, characterized in that: and fireproof coatings are arranged on the outer walls of the shell (1) and the end cover (3).

5. The lithium battery fire extinguishing alarm device according to claim 1, characterized in that: and isolation coatings are arranged on the inner wall of the shell (1) and the inner wall of the cavity (4).

6. The lithium battery fire extinguishing alarm device according to claim 1, characterized in that: and a flame retardant coating are arranged at the joint of the shell (1) and the end cover (3).