A fireproof cover structure for lithium battery

By designing a fire cover structure, including a fire box, a temperature-controlled switch, a deflector and a fire-extinguishing bomb, the problems of deflagration and shell burning of lithium batteries during spontaneous combustion are solved, and the effect of flame barrier and rapid extinguishing is achieved to prevent fires.

CN222705685UActive Publication Date: 2025-04-01NANTONG YOUTONG CONSTR TECH CO LTD
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Patent Information

Application Number
CN202420836841.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-04-01
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

Lithium batteries can easily cause deflagation when spontaneous combustion, quickly burning the entire metal shell, causing more serious damage.

Method used

A fire cover structure is designed, including a fire box, a temperature-controlled switch, a deflector and a fire-fighting bomb. The flame is blocked by setting up a diversion hole and a deflector to prevent the shell from burning, and the flame is quickly extinguished through a fire-fighting bomb to prevent the fire from spreading.

Benefits of technology

Effectively block the flames when the lithium battery explodes, prevent the metal shell from burning, and quickly extinguish the flames in case of spontaneous combustion to prevent fires.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fireproof cover structure for a lithium battery, comprising a fireproof box, a lithium battery, a wiring port, a temperature control switch, a connection seat one, a guide plate one, a guide hole one, a connection seat two, a guide plate two, a guide hole two and a top cover mechanism; the utility model has a reasonable and simple structure, low production cost, convenient installation and complete functions, and can effectively block the flame of a lithium battery that explodes by means of the arranged fireproof box, temperature control switch, a connection seat one, a guide plate one, a guide hole one, a connection seat two, a guide plate two and a guide hole two to prevent the shell from being burned instantly and causing a more serious phenomenon; the utility model can quickly extinguish the generated flame when a lithium battery spontaneously combusts by means of the arranged cover plate, a release hole, a fire extinguishing bomb, a connecting pipe and a nozzle to prevent the occurrence of a fire caused by secondary combustion to the outside world.
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Description

Technical Field

[0001] The utility model relates to the field of lithium battery fire protection, in particular to a fire protection cover structure for lithium batteries. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and a non-aqueous electrolyte solution. With the development of science and technology, lithium batteries have become mainstream. Lithium batteries can be roughly divided into two categories, lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable, so they are used in products such as electronic products and electric vehicles.

[0003] In the prior art, lithium batteries can also be used as batteries for two-wheeled electric vehicles. Lithium batteries are generally composed of a metal shell and an internal lithium battery pack. When the lithium battery spontaneously combusts, it will explode. The spontaneous combustion of the lithium battery will quickly burn the entire metal shell. Therefore, a fireproof cover structure for lithium batteries is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a fireproof cover structure for lithium batteries in order to solve the above-mentioned problems, which solves the problem in the prior art that lithium batteries can also be used as batteries for two-wheeled electric vehicles. Lithium batteries are generally composed of a metal shell and an internal lithium battery pack. When the lithium battery spontaneously combusts, a deflagration phenomenon will occur, and the spontaneous combustion of the lithium battery will quickly burn the entire metal shell.

[0005] In order to solve the above problems, the utility model provides a technical solution: a fireproof cover structure for lithium batteries, comprising a fireproof box, a lithium battery, a wiring port, a temperature control switch, a connecting seat, a guide plate, a guide hole, a connecting seat, a guide plate, a guide hole, a top cover mechanism and a fire blanket; a lithium battery is connected to the bottom end of the interior of the fireproof box chamber; a wiring port is provided in the right end wall of the fireproof box; a temperature control switch is fixedly connected to the right end wall of the fireproof box; a fixed connection There is a connecting seat one, and a guide plate one is connected to the connecting seat one; there are two connecting seats one; a plurality of guide holes one are provided in the guide plate one; a connecting seat two is fixedly connected to the fireproof box, and a guide plate two is connected to the connecting seat two; there are two connecting seats two; a plurality of guide holes two are provided in the guide plate two; a top cover mechanism is connected to the upper end of the fireproof box; a connecting seat one and a connecting seat two are fixedly connected to the bottom end of the top cover mechanism; a fire blanket is connected to the inner end wall of the fireproof box chamber.

[0006] Preferably, the temperature control switch is a multi-channel rail type temperature control switch.

[0007] Preferably, the guide plate 1 and the guide plate 2 are both detachable.

[0008] Preferably, the specific structure of the top cover mechanism is: including a cover plate, a release hole, a fire extinguishing bomb, a connecting pipe and a nozzle; the upper end of the fireproof box is connected to the cover plate; several release holes are provided on the left side of the cover plate; a groove is provided at the upper end of the cover plate, a fire extinguishing bomb is connected in the groove, connecting pipes are connected on both sides of the upper end of the fire extinguishing bomb, and the connecting pipes are connected to the nozzles.

[0009] Preferably, the cover plate is circular in shape as a whole.

[0010] Preferably, the nozzle and the connecting pipe are installed by rotating outwards by 15°.

[0011] Beneficial effects of the utility model:

[0012] (1) The utility model has a reasonable and simple structure, low production cost, convenient installation and complete functions. The fireproof box, temperature control switch, connection seat 1, guide plate 1, guide hole 1, connection seat 2, guide plate 2 and guide hole 2 can effectively block the flame of the lithium battery that explodes, so as to prevent the shell from being burned instantly and causing more serious phenomena.

[0013] (2) The utility model can quickly extinguish the flames generated by the cover plate, release hole, fire extinguishing bomb, connecting pipe and nozzle when the lithium battery spontaneously ignites, so as to prevent secondary combustion to the outside world and cause fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 This is a partial enlargement of the utility model Figure 1 .

[0016] Figure 3 This is a partial enlargement of the utility model Figure 2 .

[0017] Figure 4 It is a structural schematic diagram of the top cover mechanism of the utility model.

[0018] Figure 5 It is a structural schematic diagram of the guide plate 1 of the utility model.

[0019] 1- Fireproof box; 2- Lithium battery; 3- Wiring port; 4- Temperature control switch; 5- Connection seat 1; 6- Guide plate 1; 7- Guide hole 1; 8- Connection seat 2; 9- Guide plate 2; 10- Guide hole 2; 11- Cover plate; 12- Release hole; 13- Fire extinguisher bomb; 14- Connecting pipe; 15- Sprinkler; 16- Fire blanket. DETAILED DESCRIPTION

[0020] like Figures 1 to 5As shown, this specific embodiment adopts the following technical scheme: a fireproof cover structure for lithium batteries, including a fireproof box 1, a lithium battery 2, a wiring port 3, a temperature control switch 4, a connecting seat 5, a guide plate 6, a guide hole 7, a connecting seat 8, a guide plate 9, a guide hole 10, a top cover mechanism and a fire blanket 16; the lithium battery 2 is connected to the bottom end of the chamber of the fireproof box 1; a wiring port 3 is provided in the right end wall of the fireproof box 1; a temperature control switch 4 is fixedly connected to the right end wall of the fireproof box 1; a connecting seat 5 is fixedly connected to the fireproof box 1, and a guide plate 6 is connected to the connecting seat 5; there are two connecting seats 5; and several guide plates 6 are provided in the guide plate 6. A guide hole 17; a connecting seat 28 is fixedly connected to the fireproof box 1, and a guide plate 29 is connected to the connecting seat 28; there are two connecting seats 28; a plurality of guide holes 210 are arranged in the guide plate 29; the fireproof box 1, the temperature control switch 4, the connecting seat 15, the guide plate 16, the guide hole 17, the connecting seat 28, the guide plate 29 and the guide hole 210 are arranged, so as to effectively block the flame of the lithium battery that explodes and prevent the outer shell from being burned instantly and causing more serious phenomena; the upper end of the fireproof box 1 is connected to a top cover mechanism; the bottom end of the top cover mechanism is fixedly connected to a connecting seat 15 and a connecting seat 28; a fire blanket 16 is connected to the inner end wall of the chamber of the fireproof box 1.

[0021] Wherein, the temperature control switch 4 is a multi-channel guide rail type temperature control switch; the guide plate 1 6 and the guide plate 2 9 are both detachable.

[0022] like Figures 1 to 5 As shown, the specific structure of the top cover mechanism is: including a cover plate 11, a release hole 12, a fire extinguishing bomb 13, a connecting pipe 14 and a nozzle 15; the upper end of the fireproof box 1 is connected to the cover plate 11; a plurality of release holes 12 are arranged on the left side of the cover plate 11; a groove is arranged at the upper end of the cover plate 11, in which a fire extinguishing bomb 13 is connected, connecting pipes 14 are connected on both sides of the upper end of the fire extinguishing bomb 13, and a nozzle 15 is connected to the connecting pipe 14; by setting the cover plate 11, the release hole 12, the fire extinguishing bomb 13, the connecting pipe 14 and the nozzle 15, when the lithium battery spontaneously combusts, the generated flames can be quickly extinguished to prevent secondary combustion to the outside world and cause fire.

[0023] The cover plate 11 is circular in shape as a whole; the nozzle 15 and the connecting pipe 14 are installed by rotating outwards by 15°.

[0024] The use status of the utility model is as follows: the utility model has a reasonable and simple structure, low production cost, convenient installation and complete functions. When in use, the lithium battery 2 is first installed in the fireproof box 1, and then the wires to be connected are connected to the lithium battery 2 through the wiring port 3, and the outer side of the connected wires is connected to the temperature control switch 4. When the lithium battery 2 spontaneously ignites, there will be no deflagration. The generated flames will be guided to the left side of the fireproof box 1 through the guide plate 1 6, the guide hole 1 7, the guide plate 2 9 and the guide hole 2 10, and the flames will be released through the release hole 12 arranged above, and then the fire extinguishing bomb 13 above is started, and the flames are effectively extinguished through the connecting pipe 14 and the nozzle 15 to prevent burning of the external environment.

[0025] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "setting", "connection", "fixation", "screw-on" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0027] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

[0028] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

Claims

1. A fireproof cover structure for a lithium battery, characterized in that: It comprises a fireproof box (1), a lithium battery (2), a wiring port (3), a temperature control switch (4), a connecting seat (5), a guide plate (6), a guide hole (7), a connecting seat (8), a guide plate (9), a guide hole (10), a top cover mechanism and a fireproof blanket (16); A lithium battery (2) is connected to the bottom of the chamber of the fireproof box (1); The right end wall of the fireproof box (1) is provided with a wiring port (3); A temperature control switch (4) is fixedly connected to the right end wall of the fireproof box (1); A connecting seat 1 (5) is fixedly connected to the fireproof box (1), and a guide plate 1 (6) is connected to the connecting seat 1 (5); There are two connecting seats (5); The guide plate 1 (6) is provided with a plurality of guide holes 1 (7); A second connection seat (8) is fixedly connected to the fireproof box (1), and a second guide plate (9) is connected to the second connection seat (8); There are two connecting seats 2 (8); The guide plate 2 (9) is provided with a plurality of guide holes 2 (10); The upper end of the fireproof box (1) is connected to a top cover mechanism; A connecting seat 1 (5) and a connecting seat 2 (8) are fixedly connected to the bottom end of the top cover mechanism; A fire blanket (16) is connected to the inner end wall of the chamber of the fireproof box (1).

2. The fireproof cover structure for lithium battery according to claim 1, characterized in that: The temperature control switch (4) is a multi-channel guide rail type temperature control switch.

3. The fireproof cover structure for lithium battery according to claim 1, characterized in that: The guide plate 1 (6) and the guide plate 2 (9) are both detachable.

4. The fireproof cover structure for lithium battery according to claim 1, characterized in that: The specific structure of the top cover mechanism is: comprising a cover plate (11), a release hole (12), a fire extinguishing bomb (13), a connecting pipe (14) and a nozzle (15); The upper end of the fireproof box (1) is connected to a cover plate (11); The left side of the cover plate (11) is provided with a plurality of release holes (12); A groove is provided at the upper end of the cover plate (11), a fire extinguishing bomb (13) is connected to the groove, connecting pipes (14) are connected to both sides of the upper end of the fire extinguishing bomb (13), and a nozzle (15) is connected to the connecting pipe (14).

5. The fireproof cover structure for lithium battery according to claim 4, characterized in that: The cover plate (11) is circular in shape as a whole.

6. The fireproof cover structure for lithium battery according to claim 4, characterized in that: The nozzle (15) and the connecting pipe (14) are installed by being rotated outwards by 15 degrees.