CN212161938U - Marine lithium battery box with fire prevention thermal insulation structure - Google Patents
Marine lithium battery box with fire prevention thermal insulation structure Download PDFInfo
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- CN212161938U CN212161938U CN202021172556.6U CN202021172556U CN212161938U CN 212161938 U CN212161938 U CN 212161938U CN 202021172556 U CN202021172556 U CN 202021172556U CN 212161938 U CN212161938 U CN 212161938U
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Abstract
A marine lithium battery box with a fire-proof and heat-insulating structure belongs to the technical field of marine equipment, and structurally comprises a battery box body, an insulating layer for fire prevention is laid on the outer side of the battery box body, an air inlet pipe is connected with a fire-proof air brake, a fan, an air outlet pipe is connected with the fire-proof air brake, a lithium battery pack is placed in the battery box body, a temperature sensor, a smoke sensor, a combustible gas probe and a fire extinguishing agent nozzle are arranged on the inner side of the top of the box body, when fire or thermal runaway occurs outside the box body, the fire-proof air brake is closed, the influence of external flame and heat source on a lithium battery in the box body is cut off, when thermal runaway or fire occurs inside the box body, a temperature and smoke detection alarm is given to a control system, the fire-proof air brake is closed at the same time, external fire extinguishing agent is injected from a fire extinguishing agent, the use safety performance of the lithium battery is improved, and the use requirements of the non-metal ship are met.
Description
Technical Field
The utility model belongs to the technical field of marine equipment, a marine lithium battery box is related to, specific saying so relates to a marine lithium battery box with fire prevention heat-proof structure.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium batteries generally have two shapes: cylindrical and square. The battery is internally in a spiral winding structure and is formed by spacing a polyethylene film isolating material which is very fine and has strong permeability between a positive electrode and a negative electrode. The battery is filled with organic electrolyte solution. In addition, a safety valve and a PTC element (partially cylindrical) are provided to protect the battery from damage in case of abnormal state and output short circuit. At present, the lithium battery normally used by people usually adopts a module and a metal fixing body to achieve the effects of convenient carrying and protection, and because the lithium battery has the risks of overshoot, instantaneous increase of over-discharge current and thermal runaway in the use process. Especially, the combustible gas is released under the thermal runaway state, and the explosion is easily caused. At present, because the lithium cell itself does not have forced draft and the insulating function of fire prevention, can not directly place in non-metallic material's boats and ships cabin inside when in actual use, consequently can not use on non-metallic boats and ships. In order to solve the above problems, it is necessary to design a lithium battery box for a ship, which can protect the high temperature of an external fire and control the thermal runaway fire of the lithium battery box, and can meet the use requirements of the non-metal ship.
SUMMERY OF THE UTILITY MODEL
The utility model aims at not having forced draft and the insulating function of fire prevention to present lithium cell self, there is the risk of overshooting, the instantaneous increase of excess discharge current and thermal runaway in the use, arouse the explosion easily, can not use etc. not enough in non-metallic material's boats and ships cabin, provide a marine lithium cell case with fire prevention thermal-insulated structure, make it possess the thermal-insulated function of fire prevention, improve the safety in utilization performance of lithium cell, satisfy the user demand on the non-metallic material boats and ships.
The technical scheme of the utility model: the utility model provides a marine lithium battery box with fire prevention thermal insulation structure which characterized in that: the lithium battery box is formed by connecting a battery box body, an air inlet pipe, an air outlet pipe, a cable penetrating piece, a fan, a fireproof door and a fire extinguishing agent injection pipe; the fire extinguishing agent injection pipe is connected and arranged in the third connector, the first connector, the second connector and the third connector are communicated with the inside of the battery box body, a fireproof door is connected and arranged on the top surface of the battery box body, a lithium battery pack is installed on the bottom surface of the battery box body, a temperature sensor is connected and arranged on the top surface of the inside of the battery box body, Smoke transducer, combustible gas probe and fire extinguishing agent nozzle, the fire extinguishing agent nozzle with fire extinguishing agent injection pipe on the third connector is connected, the cable on ventilation failure sensor, temperature sensor, smoke transducer and the lithium cell group is followed wear out back and be connected with the outside boats and ships control system of battery box in the cable penetration piece.
And the outer surfaces of the battery box body, the first connecting port, the second connecting port, the third connecting port and the fireproof door are all provided with insulating layers.
The first connecting port, the second connecting port and the third connecting port are welded with the battery box body to form an integral structure.
The fire-proof air brake is connected with the air inlet pipe and the air outlet pipe through flanges, and the fan is connected with the fire-proof air brake through the flanges.
The first connecting port and the second connecting port have the same caliber.
The air inlet pipe is connected with the first connecting port, the air outlet pipe is connected with the second connecting port, and the injection pipe is connected with the third connecting port through welding or flanges.
The fireproof door is of an upper opening type fireproof door structure.
The utility model has the advantages that: the utility model provides a marine lithium battery box with fire prevention thermal insulation structure, structurally, an insulating layer for fire prevention is laid on the outer side of a battery box body, an air inlet pipe is connected with a fire prevention air brake, a fan, an air outlet pipe is connected with the fire prevention air brake, a lithium battery pack is arranged in the battery box body, a temperature sensor, a smoke sensor, a combustible gas probe and a fire extinguishing agent nozzle are arranged on the inner side of the top of the box body, when fire or thermal runaway occurs outside the box body, the fire prevention air brake is closed, the influence of external flame and heat source on the lithium battery in the box body is cut off, when thermal runaway or fire occurs in the box body, the temperature and smoke detection alarm gives a control system and simultaneously closes the fire prevention air brake, the external fire extinguishing agent is injected into the box body to extinguish fire, so that the internal thermal runaway or flame is strictly controlled in the box body, the external, the use requirement on the non-metallic ship is met.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the fire-fighting system comprises a battery box 1, a lithium battery pack 2, an insulating layer 3, a cable penetrating piece 4, a temperature sensor 5, a smoke sensor 6, a combustible gas probe 7, a fire-fighting agent injection pipe 8, a fire-fighting air brake 9, a fan 10, a ventilation failure sensor 11, an air outlet pipe 12, an air inlet pipe 13, a fire-fighting agent nozzle 14, a flange 15, a fire door 16, a first connecting port 17, a second connecting port 18 and a third connecting.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, the marine lithium battery box with the fireproof and heat-insulation structure is formed by connecting a battery box body 1, an air inlet pipe 13, an air outlet pipe 12, a cable penetration piece 4, a fan 10, a fireproof door 16 and a fire extinguishing agent injection pipe 8; the fire extinguishing device comprises a battery box body 1, a first connecting port 17 is arranged at the bottom of one side of the battery box body 1, an air inlet pipe 13 is connected to the first connecting port 17, a second connecting port 18 is arranged at the top of the other side of the battery box body 1, an air outlet pipe 12 is connected to the second connecting port 18, a fire-proof air brake 9 and a fan 10 are connected to the pipeline of the air inlet pipe 13, the fire-proof air brake 9 is arranged on the pipeline of the air outlet pipe 12, a ventilation failure sensor 11 is arranged on the inner wall of the air outlet pipe 12, a cable penetrating piece 4 is connected to one side surface of the battery box body 1, a third connecting port 19 is arranged at the top of the battery box body 1, a fire extinguishing agent injection pipe 8 is connected to the third connecting port 19, the first connecting port 17, the second connecting port 18 and the third connecting port 19 are all communicated with the interior of the battery box body 1, a fire-proof door 16, Smoke transducer 6, combustible gas probe 7 and fire extinguishing agent nozzle 14, fire extinguishing agent nozzle 14 is connected with fire extinguishing agent injection pipe 8 on the third connector 19, and the cable on ventilation failure sensor 11, temperature sensor 5, smoke transducer 6 and the lithium cell group 2 is worn out the back and is connected with the outside boats and ships control system of battery box 1 in cable through-member 4.
As shown in fig. 1, in the marine lithium battery box with the fireproof and heat-insulation structure, an insulating layer 3 is laid on the outer surfaces of a battery box body 1, a first connecting port 17, a second connecting port 18, a third connecting port 19 and a fireproof door 16; the first connecting port 17, the second connecting port 18 and the third connecting port 19 are welded with the battery box body 1 to form an integral structure; the fireproof air brake 9 is connected with the air inlet pipe 13 and the air outlet pipe 12 through a flange 15, and the fan 10 is connected with the fireproof air brake 9 through the flange 15; the first connecting port 17 and the second connecting port 18 have the same caliber; the air inlet pipe 13 is connected with the first connecting port 17, the air outlet pipe 12 is connected with the second connecting port 18, and the fire extinguishing agent injection pipe 8 is connected with the third connecting port 19 through welding or flanges; the fire door 16 is of an open-top fire door construction.
As shown in fig. 1, the working principle of the marine lithium battery box with the fireproof and heat-insulation structure is as follows: when the outside of the box body catches fire or the thermal runaway is caused, the fireproof air brake is closed, the influence of external flame and a heat source on the lithium battery inside the box body is cut off, and the normal work of the lithium battery inside the box body is guaranteed. When the internal thermal runaway of the box or fire, the temperature and smoke detection alarm gives control system and closes the fireproof air brake at the same time, the external fire extinguishing agent is injected from the fire extinguishing agent injection pipe and is sprayed out by the fire extinguishing agent nozzle to extinguish the fire, so that the internal thermal runaway or the flame is strictly controlled in the box, and the external environment is not affected by spreading to the outside of the box. The problem that the lithium battery cannot be used on a ship made of non-metal materials is solved.
Claims (7)
1. The utility model provides a marine lithium battery box with fire prevention thermal insulation structure which characterized in that: the lithium battery box is formed by connecting a battery box body (1), an air inlet pipe (13), an air outlet pipe (12), a cable penetrating piece (4), a fan (10), a fireproof door (16) and a fire extinguishing agent injection pipe (8); the utility model discloses a fire extinguishing agent injection pipe, including battery box (1), one side bottom of battery box (1) is equipped with first connector (17), it is equipped with air-supply line (13) to connect on first connector (17), battery box (1) opposite side top is equipped with second connector (18), it is equipped with out tuber pipe (12) to connect on second connector (18), it is equipped with fire prevention air brake (9) and fan (10) to connect on the pipeline of air-supply line (13), be equipped with fire prevention air brake (9) on the pipeline of play tuber pipe (12), be equipped with ventilation failure sensor (11) on the inner wall of play tuber pipe (12), battery box (1) is connected on one of them side and is equipped with cable penetration piece (4), the top of battery box (1) is equipped with third connector (19), it is equipped with fire extinguishing agent injection pipe (8) to connect in third connector (19), first connector (17) is equipped with cable, Second connector (18), third connector (19) all with the inside intercommunication of battery box (1), it is equipped with prevents fire door (16) to connect on the top surface of battery box (1), install lithium cell group (2) on the bottom surface of battery box (1), it is equipped with temperature sensor (5), smoke transducer (6), combustible gas probe (7) and fire extinguishing agent nozzle (14) to connect on the inside top surface of battery box (1), fire extinguishing agent nozzle (14) with fire extinguishing agent injection pipe (8) on third connector (19) are connected, cable on ventilation failure sensor (11), temperature sensor (5), smoke transducer (6) and the lithium cell group (2) is followed after wearing out in cable penetration piece (4) is connected with the outside ship control system of battery box (1).
2. The marine lithium battery box with a fireproof and heat-insulation structure as claimed in claim 1, wherein: and the outer surfaces of the battery box body (1), the first connecting port (17), the second connecting port (18), the third connecting port (19) and the fireproof door (16) are all provided with insulating layers (3).
3. The marine lithium battery box with a fireproof and heat-insulation structure as claimed in claim 1, wherein: the first connecting port (17), the second connecting port (18) and the third connecting port (19) are welded with the battery box body (1) to form an integral structure.
4. The marine lithium battery box with a fireproof and heat-insulation structure as claimed in claim 1, wherein: the fireproof air brake (9) is connected with the air inlet pipe (13) and the air outlet pipe (12) through a flange (15), and the fan (10) is connected with the fireproof air brake (9) through the flange (15).
5. The marine lithium battery box with a fireproof and heat-insulation structure as claimed in claim 1, wherein: the first connecting port (17) and the second connecting port (18) have the same caliber.
6. The marine lithium battery box with a fireproof and heat-insulation structure as claimed in claim 1, wherein: the air inlet pipe (13) and the first connecting port (17), the air outlet pipe (12) and the second connecting port (18), and the fire extinguishing agent injection pipe (8) and the third connecting port (19) are all welded or flange-connected.
7. The marine lithium battery box with a fireproof and heat-insulation structure as claimed in claim 1, wherein: the fire door (16) is of an open-top fire door construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172556.6U CN212161938U (en) | 2020-06-22 | 2020-06-22 | Marine lithium battery box with fire prevention thermal insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172556.6U CN212161938U (en) | 2020-06-22 | 2020-06-22 | Marine lithium battery box with fire prevention thermal insulation structure |
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| Publication Number | Publication Date |
|---|---|
| CN212161938U true CN212161938U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021172556.6U Active CN212161938U (en) | 2020-06-22 | 2020-06-22 | Marine lithium battery box with fire prevention thermal insulation structure |
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| CN (1) | CN212161938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173238A (en) * | 2021-06-09 | 2021-07-27 | 广西中船北部湾船舶及海洋工程设计有限公司 | Marine power battery integrated cabinet |
| CN113304420A (en) * | 2021-06-10 | 2021-08-27 | 哲弗智能系统（上海）有限公司 | Flue gas suppression device and battery fire extinguishing system thereof |
-
2020
- 2020-06-22 CN CN202021172556.6U patent/CN212161938U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173238A (en) * | 2021-06-09 | 2021-07-27 | 广西中船北部湾船舶及海洋工程设计有限公司 | Marine power battery integrated cabinet |
| CN113304420A (en) * | 2021-06-10 | 2021-08-27 | 哲弗智能系统（上海）有限公司 | Flue gas suppression device and battery fire extinguishing system thereof |
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