Vehicle bottom fire extinguishing device

By designing a vehicle bottom fire extinguishing device that includes spray long pipes, puncture long pipes, manual jacks and universal pulleys, the problem of the new energy vehicle battery pack fire is solved, and efficient internal fire extinguishing treatment of the battery pack is achieved.

CN222605273UActive Publication Date: 2025-03-14WESTERN AIRPORT GRP QINGHAI AIRPORT CO LTD
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Patent Information

Application Number
CN202421134887.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-03-14
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing technology cannot effectively carry out accurate fire extinguishing of battery pack fires in new energy vehicles, mainly because the battery pack is closed, making it difficult to inject fire extinguishing agent into the interior.

Method used

A vehicle bottom fire extinguishing device is designed, including spray long pipes, puncture long pipes, manual jacks and universal pulleys. Using high-pressure water flow and puncture devices, it is possible to extinguish the fire inside the battery pack while expelling water and polishing and puncture.

Benefits of technology

It improves the efficiency of fire handling of battery packs in new energy vehicles, and can quickly and effectively extinguish the internal fire of the battery pack while ensuring the safety of firefighters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vehicle bottom fire extinguishing device which comprises a device body, a manual jack used for adjusting the height of the device is installed in the center of the bottom of the device body, and universal pulleys are installed at the four corners of the bottom of the device body. The device body comprises two long spraying pipes, a first three-way connector, a first four-way connector, corner connectors, first short pipes and a long puncture pipe, the two long spraying pipes are symmetrically arranged, the corner connectors are connected to the ends of the two long spraying pipes, the first short pipes are connected to the ends of the corner connectors, and the first short pipes are connected to the ends of the first short pipes. According to the vehicle bottom fire extinguishing device, when a new energy vehicle battery pack fires, fire extinguishing treatment can be carried out on the interior of the battery pack while water is discharged and polishing and puncturing are carried out by utilizing the water cutting principle, the fire extinguishing effect is good, the fire extinguishing effect is good, and the fire extinguishing effect is good. The fire disposal efficiency of the new energy vehicle battery pack can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting and rescue disposal for new energy vehicles, and specifically is a fire extinguishing device at the bottom of a vehicle. Background Art

[0002] At present, the number of new energy vehicle models inside Xining Airport: shuttle buses, tractors, and VIP service vehicles is gradually increasing, and most of the social vehicles and taxis are also new energy vehicles. In the event of a fire in a new energy vehicle, the existing equipment cannot implement accurate fire extinguishing, because new energy vehicle models are all operated by battery packs as engines, and the battery packs are in a closed state. When a fire occurs, the battery packs are in a special position, and it is difficult to inject fire extinguishing agents into the interior for fire extinguishing; most of the fires in new energy vehicles are caused by battery pack failures or improper human operation. The existing technology cannot effectively deal with fires in new energy vehicles. When high-temperature combustion occurs inside the battery pack of a new energy vehicle, external water sources cannot enter the interior for fire extinguishing, and can only be cooled and cooled to wait for the battery to be completely burned and decomposed before the fire can be extinguished. For this reason, we propose a vehicle bottom fire extinguishing device. Utility Model Content

[0003] The purpose of the utility model is to provide a vehicle bottom fire extinguishing device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle bottom fire extinguishing device, including a device body, a manual jack for adjusting the height of the device is installed at the bottom center of the device body, and universal pulleys are installed at the four corners of the bottom of the device body, the device body includes a long spray tube, a first three-way interface, a first four-way interface, an angle interface, a first short tube and a puncture long tube, there are two long spray tubes, and the two long spray tubes are symmetrically arranged, the ends of the two long spray tubes are connected to the angle interface, and the ends of the angle interface are connected to the first short tube.

[0005] Preferably, a second three-way interface is installed at the end of the first short tube, and a second short tube is connected between the two second three-way interfaces. The second three-way interface is located at one end perpendicular to the first short tube and is connected to a puncture long tube, and a first four-way interface is connected between the two puncture long tubes.

[0006] Preferably, a first three-way interface is installed in the middle of the long spray tube at one end of the device body, the end of the first three-way interface is connected to a connecting tube, the ends of the first short tube are connected to a second three-way interface, the second three-way interface is located at the vertical end of the first short tube and is connected to a puncture long tube, a first four-way interface is connected between the two puncture long tubes, the end of the connecting tube away from the first three-way interface is connected to the first four-way interface, a connecting tube is connected between the two first four-way interfaces, and the manual jack is fixedly installed at the bottom of the connecting tube.

[0007] Preferably, a second four-way interface is installed in the middle of the long spray tube at the other end of the device body, and a water pipe is connected between the second four-way interface and the first four-way interface.

[0008] Preferably, four spray ports are equidistantly arranged at the tops of the two long spray tubes, and puncture water outlets are arranged at the tops of the four long puncture tubes and the top of the connecting tube.

[0009] Preferably, a double-way interface is installed at the bottom of the manual jack, and the end of the double-way interface is connected to a device push tube, and the length of the device push tube is five meters.

[0010] Preferably, a jack operating rod is provided at the end of the manual jack, and the length of the jack operating rod is four meters.

[0011] Preferably, the jack operating rod, device push tube, long spray tube, spray port, angle interface, first short tube, long puncture tube, puncture water outlet, second short tube, connecting tube and water pipe are all galvanized tubes.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model adds a puncture device on the basis of the existing technology. When a fire occurs in a battery pack of a new energy vehicle, the principle of water cutting is used to extinguish the fire inside the battery pack while discharging water, grinding and puncturing, thereby improving the efficiency of handling fires in battery packs of new energy vehicles.

[0014] 2. The utility model installs 4 universal pulleys and a small manual jack at the bottom of the device, which facilitates the movement of the device and the lifting of the device to puncture and extinguish fires on high-chassis vehicles; a 5-meter-long galvanized pipe is used to connect the lowest interface of the device, so that firefighters can push the device into the bottom of the vehicle while ensuring their own safety; a 4-meter-long galvanized pipe is used to connect the bottom jack to ensure the safety of the firefighters themselves. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the pipe pushing structure of the device of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the jack operating rod of the utility model.

[0018] In the figure: 1. universal pulley; 2. long spray tube; 3. spray port; 4. first three-way interface; 5. first four-way interface; 6. angle interface; 7. first short tube; 8. puncture long tube; 9. manual jack; 10. device push tube; 11. jack operating lever; 12. puncture water outlet; 13. device body; 14. second three-way interface; 15. connecting tube; 16. second short tube; 17. second four-way interface; 18. connecting tube; 19. water pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 The utility model provides a technical solution: a vehicle bottom fire extinguishing device, including a device body 13, a manual jack 9 for adjusting the height of the device is installed at the bottom center of the device body 13, and universal pulleys 1 are installed at the four corners of the bottom of the device body 13.

[0021] It should be noted that, by installing four universal pulleys 1 and a small manual jack 9 at the bottom of the device, it is convenient to move the device and raise the device to puncture and extinguish fire on high-chassis vehicles.

[0022] The device body 13 includes a long spray tube 2, a first three-way interface 4, a first four-way interface 5, an angle interface 6, a first short tube 7 and a puncture long tube 8. There are two long spray tubes 2, and the two long spray tubes 2 are symmetrically arranged. The ends of the two long spray tubes 2 are connected to the angle interface 6, and the ends of the angle interface 6 are connected to the first short tube 7.

[0023] It should be noted that the implementation steps of the utility model are as follows:

[0024] 1. Installation: Depending on the size of the vehicle, choose to install a single-stage or double-stage device. When a fire occurs in the vehicle chassis, place the equipment under the vehicle chassis for fire extinguishing operations.

[0025] 2. Connect to the water source: Connect the fire extinguisher to the water hose first and then to the fire truck to ensure that sufficient water pressure is available when needed.

[0026] 3. When in use, the high-pressure water flow of the fire truck is used to drive the puncture device, thereby puncturing the bottom guard plate and battery pack of the vehicle, while the remaining spray ports 3 can cool and extinguish other parts. The water is pressurized to an extremely high pressure by the high-pressure water pump, and the nozzle forms a high-speed, high-pressure, and fast-speed water flow. This high-pressure water flow has a very strong impact force, which can cut, puncture, and impact the fire source, so that the flame is strongly impacted and extinguished.

[0027] 4. Feasibility: This equipment can adjust the flow rate and pressure of water according to the location, size and intensity of the fire source to achieve the best fire extinguishing effect and realize fast and effective fire fighting and rescue.

[0028] A second three-way interface 14 is installed at the end of the first short tube 7, and a second short tube 16 is connected between the two second three-way interfaces 14. The second three-way interface 14 is located at one end vertical to the first short tube 7 and is connected to a puncture long tube 8, and a first four-way interface 5 is connected between the two puncture long tubes 8.

[0029] It should be noted that the second short tube 16 , the first short tube 7 and the puncture long tube 8 are connected via the second three-way interface 14 so that the three can communicate with each other.

[0030] A first three-way interface 4 is installed in the middle of the long spray tube 2 at one end of the device body 13, and a connecting tube 18 is connected to the end of the first three-way interface 4. The ends of the first short tube 7 are connected to the second three-way interface 14, and a second short tube 16 is connected between the two second three-way interfaces 14. The second three-way interface 14 is located at an end vertical to the first short tube 7 and is connected to the puncture long tube 8. The end of the connecting tube 18 away from the first three-way interface 4 is connected to the first four-way interface 5, and a connecting tube 15 is connected between the two first four-way interfaces 5. A manual jack 9 is fixedly installed at the bottom of the connecting tube 15.

[0031] It should be noted that the utility model can be assembled for vehicle models of different sizes; the large device has a length of 1.2 meters and a width of 0.9 meters (for large new energy vehicles); the small device has a length of 0.9 meters and a width of 0.6 meters (for small new energy vehicles); it is assembled using the first four-way interface 5, the second four-way interface 17, the first three-way interface 4, the second three-way interface 14, and the corner interface 6, and the assembly can be flexibly designed according to the vehicle model.

[0032] A second four-way interface 17 is installed in the middle of the long spray pipe 2 at the other end of the device body 13 , and a water pipe 19 is connected between the second four-way interface 17 and the first four-way interface 5 .

[0033] It should be noted that the second four-way interface 17 can connect the long spray tube 2 and the water pipe 19. After the connection, the second four-way interface 17 has a remaining connection port for connecting to an external water inlet pipe, thereby facilitating fire extinguishing.

[0034] Four spray ports 3 are equidistantly arranged at the tops of the two long spray tubes 2 , and puncture water outlets 12 are arranged at the tops of the four long puncture tubes 8 and the top of the connecting tube 15 .

[0035] It should be noted that the upper part is provided with 8 spray outlets and 5 puncture outlets 12. When a new energy vehicle catches fire, it can be quickly assembled according to the size of the vehicle. After connecting the water hose and the fire truck, the fire can be extinguished deep inside the vehicle chassis. First, the 8 spray outlets 3 can be used to extinguish the external flames and surrounding parts of the vehicle chassis and cool them down; secondly, it is selected whether to perform puncture fire extinguishing according to the burning state; finally, according to the height of the vehicle chassis, the manual jack 9 can be used to raise the device to carry out puncture fire extinguishing or spray fire extinguishing.

[0036] A double-way interface is installed at the bottom of the manual jack 9, and the end of the double-way interface is connected to a device push tube 10, and the length of the device push tube 10 is five meters.

[0037] It should be noted that a 5-meter-long device push pipe 10 is provided to enable the device to be pushed into the bottom of the vehicle.

[0038] A jack operating rod 11 is provided at the end of the manual jack 9, and the length of the jack operating rod 11 is four meters.

[0039] It should be noted that a 4-meter-long galvanized pipe is provided to connect the bottom manual jack 9 to ensure the safety of the fire fighters themselves.

[0040] The jack operating rod 11, the device push pipe 10, the long spray pipe 2, the spray port 3, the angle interface 6, the first short pipe 7, the puncture long pipe 8, the puncture water outlet 12, the second short pipe 16, the connecting pipe 18 and the water pipe 19 are all galvanized pipes.

[0041] It should be noted that the device uses galvanized pipe as the main material, which makes the device have excellent properties such as high temperature resistance and water pressure resistance.

[0042] 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.

[0043] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0044] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle bottom fire extinguishing device, comprising a device body (13), characterized in that: A manual jack (9) for adjusting the height of the device is installed at the center of the bottom of the device body (13), and universal pulleys (1) are installed at the four corners of the bottom of the device body (13). The device body (13) comprises a long spray tube (2), a first three-way interface (4), a first four-way interface (5), an angle interface (6), a first short tube (7) and a puncture long tube (8). There are two long spray tubes (2), and the two long spray tubes (2) are symmetrically arranged. The ends of the two long spray tubes (2) are connected to the angle interface (6), and the ends of the angle interface (6) are connected to the first short tube (7).

2. A vehicle bottom fire extinguishing device according to claim 1, characterized in that: A second three-way interface (14) is installed at the end of the first short tube (7), and a second short tube (16) is connected between the two second three-way interfaces (14); the second three-way interface (14) is located at one end perpendicular to the first short tube (7) and is connected to a puncture long tube (8), and a first four-way interface (5) is connected between the two puncture long tubes (8).

3. A vehicle bottom fire extinguishing device according to claim 2, characterized in that: A first three-way interface (4) is installed in the middle of the spray long tube (2) at one end of the device body (13); the end of the first three-way interface (4) is connected to a connecting tube (18); the ends of the first short tube (7) are connected to a second three-way interface (14); a second short tube (16) is connected between the two second three-way interfaces (14); a first four-way interface (5) is connected between the two puncture long tubes (8); one end of the connecting tube (18) away from the first three-way interface (4) is connected to the first four-way interface (5); a connecting tube (15) is connected between the two first four-way interfaces (5); and the manual jack (9) is fixedly installed at the bottom of the connecting tube (15).

4. A vehicle bottom fire extinguishing device according to claim 3, characterized in that: A second four-way interface (17) is installed in the middle of the long spray tube (2) at the other end of the device body (13), and a water pipe (19) is connected between the second four-way interface (17) and the first four-way interface (5).

5. A vehicle bottom fire extinguishing device according to claim 3, characterized in that: The tops of the two long spray tubes (2) are each provided with four spray ports (3) at equal intervals, and the tops of the four long puncture tubes (8) and the top of the connecting tube (15) are each provided with a puncture water outlet (12).

6. A vehicle bottom fire extinguishing device according to claim 1, characterized in that: A double-way interface is installed at the bottom of the manual jack (9), and an installation push pipe (10) is connected to the end of the double-way interface, and the length of the installation push pipe (10) is five meters.

7. A vehicle bottom fire extinguishing device according to claim 1, characterized in that: A jack operating rod (11) is provided at the end of the manual jack (9), and the length of the jack operating rod (11) is four meters.

8. A vehicle bottom fire extinguishing device according to claim 7, characterized in that: The jack operating rod (11), the device push pipe (10), the long spray pipe (2), the spray port (3), the angle interface (6), the first short pipe (7), the puncture long pipe (8), the puncture water outlet (12), the second short pipe (16), the connecting pipe (18) and the water pipe (19) are all galvanized pipes.