Gas fire extinguishing system
By interrupting the combustion chain reaction through a plasma release mechanism and combining it with atomized extinguishing gas, the problem of traditional gas extinguishing systems being unable to penetrate into equipment gaps and the interior of lithium batteries is solved, achieving high-efficiency extinguishing with low concentrations, and reducing environmental pollution and operating costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NANJING NANXIAO TUNA GAS SYST FIRE TECH CO LTD
- Filing Date
- 2026-02-05
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional gas extinguishing systems are difficult to penetrate into equipment gaps and the interior of lithium batteries, and high-efficiency extinguishing agents cause serious environmental pollution and have high operating costs.
The plasma release mechanism interrupts the combustion chain reaction, and combined with atomized extinguishing gas, it enables plasma to penetrate deep into the fire zone, reducing the concentration of extinguishing agent and improving the extinguishing rate.
It achieves efficient fire suppression at low concentrations, reducing environmental pollution and operating costs, while simultaneously penetrating into equipment gaps and inside lithium batteries to extinguish fires, thus improving the extinguishing rate.
Smart Images
Figure CN121819231A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of fire extinguishing equipment, and particularly relates to a gas fire extinguishing system. BACKGROUND
[0002] With the rapid development of high-end fields such as data centers, new energy storage cabins, semiconductor production lines, aerospace control centers and the like, the fire protection scene has increasingly stringent requirements on the fire extinguishing system: the fire extinguishing efficiency, equipment protection, environmental friendliness and special fire adaptation need to be considered.
[0003] However, the traditional gas fire extinguishing agent is difficult to penetrate into deep fire areas such as equipment gaps and lithium battery interiors, and the extinguishing rate of special fires such as lithium battery thermal runaway is low. SUMMARY
[0004] The purpose of the present application is to provide a gas fire extinguishing system that can reduce the activity of the flame by plasma, reduce the concentration of the fire extinguishing agent, reduce environmental pollution and use cost, and can penetrate into deep areas such as equipment gaps and lithium battery interiors to improve the extinguishing rate.
[0005] The technical solutions adopted by the present application are as follows: A gas fire extinguishing system, comprising a cabinet, a spray head unit is fixedly connected to the upper end of the front side of the cabinet, a mixing tank located in the interior of the cabinet is communicated with the rear end of the spray head unit, a gas storage cylinder is fixedly connected to the interior of the cabinet, a valve is installed on the gas storage cylinder, the valve of the gas storage cylinder is communicated with the mixing tank through a second conduit, a plasma release mechanism is fixedly connected to the exterior of the cabinet, and the plasma release mechanism is communicated with the mixing tank.
[0006] Further, the plasma release mechanism comprises an additional housing fixedly connected to the exterior of the cabinet, a plasma generation module is fixedly connected to the interior of the additional housing, a fan unit is fixedly connected to the lower end of the additional housing, and the upper end of the additional housing is communicated with the mixing tank through a first conduit.
[0007] Further, the mixing tank comprises a cylindrical tank body fixedly connected to the interior of the cabinet, a rotating shaft is rotatably connected to the interior of the cylindrical tank body, a wind wheel and a stirring blade are fixedly connected to the exterior of the rotating shaft.
[0008] Further, the spray head unit comprises a spray head body fixedly connected to the front side of the cabinet body, the rear end of the spray head body is communicated with the mixing tank through a communication pipe, the front side of the spray head body is provided with an air outlet panel, and a plurality of discharge holes of fire extinguishing gas with adjustable opening cross section size are formed in the air outlet panel.
[0009] Further, the front side of the spray head body is provided with a release opening, the front side of the inside of the spray head body is provided with a first panel and a second panel, a plurality of release holes are formed in the first panel and the second panel, and the release holes in the first panel and the second panel are matched to form a group, and the overlapping area of the two release holes in the same group is a discharge hole of fire extinguishing gas. The upper and lower sides of the spray head body are fixedly connected with additional extension shells, the lower side of the first panel and the upper side of the second panel are fixedly connected with heat receiving extension pieces, and the end of the heat receiving extension piece is fixedly connected to the inside of the additional extension shell.
[0010] Further, the first panel and the second panel are arc-shaped panels.
[0011] Further, the two sides of the spray head body are provided with arc-shaped extension shielding units, the arc-shaped extension shielding unit comprises a storage shell fixedly connected to one side of the spray head body, a winding rod is rotatably connected to the inside of the storage shell, a flexible sealing piece is wound on the outer side of the winding rod, one end of the flexible sealing piece extends to the outer side of the storage shell, a connecting rod is fixedly connected to one end of the flexible sealing piece, an arc-shaped motor is drivingly connected to one end of the connecting rod, the arc-shaped motor is fixedly connected to the additional extension shell, and a volute spring drivingly connected to the winding rod is fixedly connected to one end of the storage shell.
[0012] The technical effects achieved by the application are as follows: The gas fire extinguishing system can interrupt the combustion chain reaction by active particles such as high-energy electrons in the plasma, reduce the activity of the flame, and realize efficient fire extinguishing without high concentration of fire extinguishing gas, thereby reducing the concentration of fire extinguishing agent, reducing environmental pollution and use cost, and the plasma active particles can penetrate into deep areas such as equipment gaps and lithium battery interiors to destroy the combustion reaction of hidden fires in advance, cooperate with the atomized fire extinguishing gas, realize synchronous fire extinguishing of "surface + deep position", and improve the extinguishing rate. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a structural schematic diagram of the application; Figure 2 is a cutaway structural schematic diagram of the application; Figure 3 is a partial structural top view of the application; Figure 4 is a cutaway structural schematic diagram of the mixing tank of the application; Figure 5 is a structural schematic diagram of the spray head unit of the present application; Figure 6 is a sectional structural schematic diagram of the spray head unit of the present application; Figure 7 is a structural schematic diagram of the spray head unit of the present application Figure 5 is a local enlarged view of A in the present application; Figure 8 is a structural schematic diagram of the first panel and the second panel of the present application.
[0014] In the drawings, the components represented by the respective reference numerals are listed as follows: 1, cabinet; 2, cabinet door; 3, mixing tank; 4, spray head unit; 5, gas storage bottle; 6, plasma release mechanism; 7, additional housing; 8, plasma generation module; 9, fan unit; 10, first conduit; 11, second conduit; 12, cylindrical tank body; 13, rotating rod; 14, wind wheel; 15, stirring blade; 16, dispersion hole; 17, communication pipe; 18, spray head body; 19, first panel; 20, second panel; 21, additional extension housing; 22, release port; 23, heated extension piece; 24, release hole; 25, arc-shaped motor; 26, connecting rod; 27, flexible sealing sheet; 28, storage housing; 29, winding rod; 30, volute spring; 31, limiting shaft. DETAILED DESCRIPTION
[0015] In order to make the objects and advantages of the present application clearer, the present application will be specifically described below in conjunction with embodiments. It should be understood that the following description is only used to describe one or several specific embodiments of the present application, and does not strictly limit the specific protection scope of the present application.
[0016] As shown in Figures 1-8 , a gas fire extinguishing system includes a cabinet 1, the front side of the cabinet 1 is provided with an openable cabinet door 2 for overhauling the equipment inside the cabinet 1; The upper end of the front side of the cabinet 1 is fixedly connected with a spray head unit 4, the rear end of the spray head unit 4 is communicated with a mixing tank 3 located inside the cabinet 1, the inside of the cabinet 1 is fixedly connected with a gas storage bottle 5, the gas storage bottle 5 is provided with a valve, the valve of the gas storage bottle 5 is communicated with the mixing tank 3 through a second conduit 11, the outside of the cabinet 1 is fixedly connected with a plasma release mechanism 6, the plasma release mechanism 6 is communicated with the mixing tank 3; When extinguishing, first start the plasma release mechanism 6 to input plasma to the nozzle unit 4, and then release the plasma to the outside through the nozzle unit 4. The active particles such as high-energy electrons in the plasma first interrupt the combustion chain reaction, reduce the flame activity, so that the extinguishing gas can achieve high-efficiency extinguishing without high concentration, reduce the concentration of extinguishing agent, reduce environmental pollution and use cost. After the plasma is released, the valve of the gas cylinder 5 is started to release the extinguishing gas to the outside. At the same time, the plasma active particles can penetrate into deep areas such as equipment gaps and lithium battery interiors to destroy the combustion reaction of hidden fires in advance, cooperate with the atomized extinguishing gas, realize synchronous extinguishing of "surface + deep", and improve the extinguishing rate.
[0017] As shown in Figures 1-2 , the plasma release mechanism 6 includes an additional shell 7 fixedly connected to the outside of the cabinet 1. The inside of the additional shell 7 is fixedly connected with a plasma generation module 8. The lower end of the additional shell 7 is fixedly connected with a fan unit 9. The upper end of the additional shell 7 is connected with the mixing tank 3 through a first conduit 10. At this time, the plasma can be released into the inside of the additional shell 7 through the plasma generation module 8, and then the fan unit 9 is started to input the plasma into the inside of the mixing tank 3. The plasma and the extinguishing gas are mixed in the inside of the mixing tank 3. When the stirring blade 15 rotates, vortex is generated. In cooperation with the dispersion holes 16 on the blade, the airflow is cut and divided, so that the plasma and the extinguishing gas are fully contacted, the phenomenon of too high local plasma concentration or uneven distribution of extinguishing gas is reduced, and the synergistic extinguishing effect is ensured.
[0018] The mixing tank 3 includes a cylindrical tank body 12 fixedly connected to the inside of the cabinet 1. The inside of the cylindrical tank body 12 is rotatably connected with a rotating rod 13. The outside of the rotating rod 13 is fixedly connected with a wind wheel 14 and a stirring blade 15. When the gas enters the inside of the cylindrical tank body 12, the wind wheel 14 is blown to rotate, and the stirring blade 15 is driven to rotate. When the stirring blade 15 rotates, the extinguishing gas and the plasma in the inside of the cylindrical tank body 12 are mixed. A plurality of dispersion holes 16 are formed in the stirring blade 15. The dispersion holes 16 can better mix the extinguishing gas and the plasma.
[0019] In some embodiments, the nozzle unit 4 is a common nozzle. In other embodiments, the nozzle unit 4 is an adjustable nozzle, i.e. Figure 1 and Figures 5-6 and Figure 8As shown, the spray head unit 4 includes a spray head body 18 fixedly connected to the front side of the cabinet body 1, the rear end of the spray head body 18 is connected to the mixing tank 3 through the communication pipe 17, and the front side of the spray head body 18 is provided with a gas outlet panel, a plurality of discharge holes of the fire extinguishing gas with adjustable opening cross-sectional size are formed on the gas outlet panel, and under the condition that the internal gas pressure of the gas cylinder 5 is the same, the range of the fire extinguishing gas release can be adjusted by adjusting the size of the discharge hole of the fire extinguishing gas.
[0020] Specifically, the opening cross-sectional size of the discharge hole of the fire extinguishing gas can be adjusted according to the temperature, for example, Figures 5-6 and Figure 8 As shown, the front side of the spray head body 18 is provided with a release port 22, the front side of the inside of the spray head body 18 is provided with a first panel 19 and a second panel 20, a plurality of release holes 24 are formed on the first panel 19 and the second panel 20, the release holes 24 on the first panel 19 and the second panel 20 are matched one by one to form a group, the overlapping area of the two release holes 24 in the same group is the discharge hole of the fire extinguishing gas, and the cross-sectional shape of the release hole 24 is preferably circular, oval or rhombic. By moving the first panel 19 and the second panel 20 to adjust the overlapping range of the release holes 24 on the first panel 19 and the second panel 20, the opening cross-sectional size of the discharge hole of the fire extinguishing gas can be adjusted.
[0021] In some further embodiments, the upper and lower sides of the spray head body 18 are fixedly connected with additional extension shells 21, the lower side of the first panel 19 and the upper side of the second panel 20 are fixedly connected with heat-extended members 23, the heat-extended members 23 are made of shape memory alloy such as Ni-Ti alloy, which starts to extend when the temperature reaches 60℃, and the extension amount increases by 5-8% for every 10℃ increase in temperature, and can withstand a maximum temperature of 300℃, and automatically restores to the original state after cooling, thereby realizing self-adaptive adjustment of the discharge hole of the fire extinguishing gas. The end of the heat-extended member 23 is fixedly connected to the inside of the additional extension shell 21, when a fire breaks out, the temperature at the spray head unit 4 will gradually increase as the fire source approaches, and the increased temperature will cause the heat-extended member 23 to extend and deform, thereby pushing the first panel 19 and the second panel 20 to move, thereby increasing the overlapping range of the release holes 24 on the first panel 19 and the second panel 20.
[0022] In some further embodiments, the first panel 19 and the second panel 20 are arc-shaped plates, so that the fire extinguishing range of the spray head unit 4 is larger.
[0023] At the same time, the two sides of the spray head body 18 are provided with arc-shaped extension shielding units for controlling the area of the spray head unit 4 releasing the fire extinguishing gas, as shown in Figure 5As shown, the arc-shaped extension shielding unit comprises a storage shell 28 fixedly connected to one side of the spray head body 18, the inside of the storage shell 28 is rotationally connected with a winding rod 29, the outside of the winding rod 29 is wound with a flexible sealing sheet 27, one end of the flexible sealing sheet 27 extends to the outside of the storage shell 28, one end of the flexible sealing sheet 27 is fixedly connected with a connecting rod 26, one end of the connecting rod 26 is drivingly connected with an arc-shaped motor 25, the arc-shaped motor 25 is fixedly connected to the additional extension shell 21, at this time, the arc-shaped motor 25 is started to drive the connecting rod 26 to move, so as to adjust the flexible sealing sheet 27, one end of the storage shell 28 is fixedly connected with a volute spring 30 or a servo motor drivingly connected with the winding rod 29, the flexible sealing sheet 27 is tightened through the volute spring 30 or the servo motor, the storage shell 28 can be further provided with a locking piece matched with the winding rod 29.
[0024] In order to make the flexible sealing sheet 27 and the surface of the first panel 19 closely adhere to each other, both ends of the release port 22 are rotationally connected with a limiting shaft 31, the flexible sealing sheet 27 passes around the limiting shaft 31, and the flexible sealing sheet 27 is limited by the limiting shaft 31.
[0025] Meanwhile, the material of the flexible sealing sheet 27 is preferably a silicon rubber coated glass fiber cloth, which has the characteristics of high temperature resistance, flame retardation, waterproofness and strong flexibility, can closely adhere to the arc-shaped panel, and prevents the leakage of fire extinguishing gas.
[0026] The above only describes the preferred embodiments of the present application, and it should be noted that for those skilled in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.
Claims
1. A gas extinguishing system, characterized in that: The cabinet includes a cabinet (1), a nozzle unit (4) is fixedly connected to the upper front side of the cabinet (1), the rear end of the nozzle unit (4) is connected to a mixing tank (3) located inside the cabinet (1), a gas storage cylinder (5) is fixedly connected inside the cabinet (1), a valve is installed on the gas storage cylinder (5), the valve of the gas storage cylinder (5) is connected to the mixing tank (3) through a second conduit (11), and a plasma release mechanism (6) is fixedly connected to the outside of the cabinet (1), the plasma release mechanism (6) is connected to the mixing tank (3).
2. The gas extinguishing system according to claim 1, characterized in that: The plasma release mechanism (6) includes an additional housing (7) fixedly connected to the outside of the cabinet (1). A plasma generating module (8) is fixedly connected inside the additional housing (7). A fan unit (9) is fixedly connected to the lower end of the additional housing (7). The upper end of the additional housing (7) is connected to the mixing tank (3) through a first conduit (10).
3. A gas extinguishing system according to claim 1, characterized in that: The mixing tank (3) includes a cylindrical tank (12) fixedly connected inside the cabinet (1). A rotating rod (13) is rotatably connected inside the cylindrical tank (12). A wind turbine (14) and a stirring blade (15) are fixedly connected to the outside of the rotating rod (13).
4. A gas extinguishing system according to claim 3, characterized in that: The stirring blade (15) has several dispersion holes (16).
5. A gas extinguishing system according to claim 1, characterized in that: The nozzle unit (4) includes a nozzle body (18) fixedly connected to the front side of the cabinet (1). The rear end of the nozzle body (18) is connected to the mixing tank (3) through a connecting pipe (17). The front side of the nozzle body (18) is provided with an air outlet panel, and the air outlet panel is provided with multiple fire extinguishing gas discharge holes with adjustable opening cross-sectional dimensions.
6. A gas extinguishing system according to claim 5, characterized in that: The nozzle body (18) has a release port (22) on the front side. The nozzle body (18) has a first panel (19) and a second panel (20) installed on the front side inside. The first panel (19) and the second panel (20) each have multiple release holes (24). The release holes (24) on the first panel (19) and the second panel (20) are paired one to one as a group. The overlapping area of two release holes (24) in the same group is the fire extinguishing gas discharge hole. The nozzle body (18) is fixedly connected to the upper and lower sides with additional extension shells (21), and the lower side of the first panel (19) and the upper side of the second panel (20) are fixedly connected with heat-receiving extension members (23). The end of the heat-receiving extension member (23) is fixedly connected inside the additional extension shell (21).
7. A gas extinguishing system according to claim 6, characterized in that: Both the first panel (19) and the second panel (20) are curved plates.
8. A gas extinguishing system according to claim 7, characterized in that: Both sides of the nozzle body (18) are equipped with arc-shaped extension shielding units. The arc-shaped extension shielding unit includes a storage shell (28) fixedly connected to one side of the nozzle body (18). The storage shell (28) is rotatably connected to a winding rod (29). A flexible sealing plate (27) is wound around the outside of the winding rod (29). One end of the flexible sealing plate (27) extends to the outside of the storage shell (28). One end of the flexible sealing plate (27) is fixedly connected to a connecting rod (26). One end of the connecting rod (26) is drivenly connected to an arc-shaped motor (25). The arc-shaped motor (25) is fixedly connected to an additional extension shell (21). One end of the storage shell (28) is fixedly connected to a spiral spring (30) that is drivenly connected to the winding rod (29).