High-efficient water-saving high-pressure water mist fire extinguishing device

Abstract

The utility model provides a kind of efficient water-saving high-pressure water mist fire extinguishing device, including top fixed shell, water storage tank, PLC controller, water pump, angle adjusting mechanism, high-pressure nozzle, infrared sensor and water pipe, the inside of top fixed shell is equipped with water storage tank, the front end of water storage tank is equipped with PLC controller, the side end of PLC controller is provided with water pump, the lower end of top fixed shell is equipped with angle adjusting mechanism, the design solves the original device when using cannot be adjusted high-pressure nozzle water discharge according to the size of fire, and cannot accurately aim at fire source to extinguish fire, leading to the problem of low fire extinguishing efficiency, large water consumption, the utility model structure is reasonable, through angle adjusting mechanism, PLC controller and infrared sensor mutual cooperation, can accurately aim at ignition point to extinguish fire, and can control water consumption according to the size of fire, to improve the efficiency of fire extinguishing, while reducing water consumption.

Description

Technical Field

[0001] This utility model is a high-efficiency water-saving high-pressure fine water mist fire extinguishing device, belonging to the field of high-pressure fine water mist fire extinguishing technology. Background Technology

[0002] Fine water mist fire extinguishing device is an industrial fire-fighting equipment composed of fine water mist nozzles, distribution pipe network, water supply device, etc., and the diameter of the sprayed mist particles is less than 400μm[1][6]. The device atomizes water through a high-pressure pump or gas drive, and uses the triple mechanism of heat absorption and cooling, dilution of oxygen concentration and blocking of radiant heat to extinguish fire. The system can be divided into three categories according to working pressure: low pressure (≤1.21MPa), medium pressure (1.21-3.45MPa) and high pressure (≥3.45MPa), and supports multiple working modes such as total flooding and local application[4]. Its typical technical parameters include working pressure range of 0.2-30MPa and droplet diameter DV0.50<200μm, which is suitable for A / B / C / E class fire protection in petrochemical, power, transportation and other fields. High pressure fine water mist fire extinguishing device is an effective fire extinguishing equipment, mainly used to quickly extinguish fire sources and reduce fire losses. The high-pressure pulse fire extinguishing system and the high-pressure fine water mist fire extinguishing system in the store complement each other in principle, both using high-pressure technology to spray extinguishing agents for efficient fire suppression. Specifically, the air pressure spray fire extinguishing system provided in the store, such as model 8569, has high air pressure and spray volume, making it widely applicable, especially for extinguishing large-area fires such as those in warehouses. This device comes in various sizes, including 12L, 35L, and 50L, to meet the fire extinguishing needs of different scenarios. In addition, it uses a gaseous fire extinguisher with a high foam ratio and large foam volume, which can quickly cover the fire source, isolate the air, and achieve rapid fire suppression. The high-pressure fine water mist fire extinguishing system is a technology that uses water as a medium and generates droplets with a particle size of 10-400 microns through special nozzles under high pressure (usually >3.45MPa) to achieve efficient fire suppression. Its core advantages include safety and environmental protection, high water efficiency, and multiple fire suppression mechanisms. Currently, high-pressure fine water mist fire suppression systems use pure water as the extinguishing medium. The extinguishing mechanism primarily involves asphyxiation, cooling, and oxygen isolation, and these systems are widely used in various fields. They offer numerous advantages, including low water consumption, effective cooling and dust suppression, provision of escape routes, and minimal secondary fire damage.

[0003] Chinese patent CN214713930U proposes a high-efficiency, water-saving, high-pressure fine water mist fire extinguishing device. The device uses a support plate with threaded holes inside to support a threaded column, allowing the rotating threaded column to drive an adjustable assembly frame structure at the top for height adjustment. However, it cannot adjust the water spray volume of the high-pressure nozzle according to the size of the fire, and it cannot precisely target the ignition source, resulting in low fire extinguishing efficiency and high water consumption. There is an urgent need for a high-efficiency, water-saving, high-pressure fine water mist fire extinguishing device to solve these problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a high-efficiency, water-saving, high-pressure fine water mist fire extinguishing device to solve the problems mentioned in the background. This invention has a reasonable structure, and through the cooperation of an angle adjustment mechanism, a PLC controller, and an infrared sensor, it can accurately extinguish the fire at the ignition point. Furthermore, it can control the water consumption according to the size of the fire, thereby improving the efficiency of fire extinguishing while reducing water consumption.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency, water-saving, high-pressure fine water mist fire extinguishing device, comprising a top fixed shell, a water tank, a PLC controller, a water pump, an angle adjustment mechanism, a high-pressure nozzle, infrared sensors, and a water supply pipe. The water tank is installed inside the top fixed shell, and the PLC controller is installed at the front end of the water tank. A water pump is installed on the side of the PLC controller. An angle adjustment mechanism is installed at the lower end of the top fixed shell, and a high-pressure nozzle is installed at the lower end of the angle adjustment mechanism. Four infrared sensors are installed on the circumferential surface of the high-pressure nozzle. A water supply pipe is installed on the side of the angle adjustment mechanism, which includes an angle drive motor. The device comprises a drive worm gear, an external transmission tube, an external fixed housing, a driven adjusting gear, an internal transmission rod, a rotating shaft, a drive bevel gear, and a rotating outer shell. Two driven adjusting gears are mounted on the lower surface of the top fixed housing. An internal transmission rod is mounted on the lower surface of the upper driven adjusting gear, and an external transmission tube is mounted on the lower surface of the lower driven adjusting gear. The external fixed housing is mounted on the circumferential surface of the external transmission tube. An angle drive motor is located on the lower surface of the top fixed housing, and a drive worm gear is mounted on the side surface of the angle drive motor. The rotating outer shell is mounted on the lower surface of the external transmission tube, and a drive bevel gear is mounted on the lower surface of the internal transmission rod. A rotating shaft is mounted on the inner surface of the rotating outer shell.

[0006] Furthermore, side fixing brackets are respectively installed at both ends of the lower surface of the top fixed shell, and worm gear brackets are installed on the inner side of the side fixing brackets. The two ends of the drive worm pass through the worm gear brackets respectively, and two limiting discs are installed on the circumferential surface of the worm gear brackets. The limiting discs are respectively located on the outer surface of the two worm gear brackets.

[0007] Furthermore, each of the angle drive motors is fixedly connected to the top fixed housing via a motor bracket, and the angle drive motor is connected to the drive worm gear via a motor shaft.

[0008] Furthermore, the driven adjusting gear meshes with the corresponding driving worm gear, the side surface of the outer fixed shell is fixedly connected to the side fixed bracket, the internal transmission rod passes through the rotating shell, and the rotating shell is fixedly connected to the external transmission tube.

[0009] Furthermore, an angle adjustment seat is installed on the circumferential surface of the rotating shaft, and a driven bevel gear is installed on the circumferential surface of the rotating shaft. The driven bevel gear meshes with the driving bevel gear, and the high-pressure nozzle is fixedly connected to the lower surface of the angle adjustment seat.

[0010] Furthermore, the water storage tank is connected to the water pump via a water supply pipe, and the water pump is connected to the high-pressure nozzle via a water supply pipe.

[0011] Furthermore, the output terminal of the infrared sensor is electrically connected to the input terminal of the PLC controller, the output terminal of the PLC controller is electrically connected to the input terminal of the water pump, and the output terminal of the PLC controller is electrically connected to the input terminals of the two angle drive motors.

[0012] The beneficial effects of this utility model are as follows: This utility model provides a high-efficiency water-saving high-pressure fine water mist fire extinguishing device. Because this utility model adds an angle adjustment mechanism, an infrared sensor, and a PLC controller, when the point with the highest temperature is detected, the position information is transmitted to the PLC controller. The PLC controller controls two angle drive motors to start. The angle drive motors drive the drive worm gear to rotate, and the drive worm gear drives the corresponding driven adjustment gear to rotate. The two driven adjustment gears simultaneously drive the internal transmission rod and the external transmission tube to rotate. The external transmission tube drives the rotating shell to rotate, and the internal transmission rod drives the rotating shaft to rotate through the drive bevel gear and the driven bevel gear. The rotating shaft and the rotating shell cooperate to drive the high-pressure nozzle to rotate at multiple angles, thereby spraying water at the fire point. Attached Figure Description

[0013] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the structure of a high-efficiency water-saving high-pressure fine water mist fire extinguishing device according to the present invention;

[0015] Figure 2 This is a top view schematic diagram of the high-efficiency water-saving high-pressure fine water mist fire extinguishing device of this utility model;

[0016] Figure 3 This is a cross-sectional schematic diagram of the external fixing shell of the high-efficiency water-saving high-pressure fine water mist fire extinguishing device of this utility model;

[0017] Figure 4 This is a schematic diagram of the connection of the rotating shaft of a high-efficiency water-saving high-pressure fine water mist fire extinguishing device according to the present invention;

[0018] Figure 5This is a cross-sectional schematic diagram of the side fixing bracket of a high-efficiency water-saving high-pressure fine water mist fire extinguishing device according to the present invention.

[0019] Figure 6 This is a cross-sectional schematic diagram of the angle adjustment seat and rotating shell of a high-efficiency water-saving high-pressure fine water mist fire extinguishing device according to the present invention.

[0020] In the diagram: 1-Top fixed outer shell, 2-Water storage tank, 3-PLC controller, 4-Water pump, 5-Angle adjustment mechanism, 51-Angle drive motor, 511-Motor bracket, 52-Drive worm gear, 521-Worm gear bracket, 522-Limiting disc, 53-External transmission pipe, 54-External fixed shell, 541-Side fixed bracket, 55-Driven adjustment gear, 56-Internal transmission rod, 57-Rotating shaft, 571-Driven bevel gear, 572-Angle adjustment seat, 58-Driven bevel gear, 59-Rotating outer shell, 6-High-pressure nozzle, 7-Infrared sensor, 8-Water supply pipe. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Please see Figures 1-6This utility model provides a technical solution: a high-efficiency water-saving high-pressure fine water mist fire extinguishing device, including a top fixed shell 1, a water storage tank 2, a PLC controller 3, a water pump 4, an angle adjustment mechanism 5, a high-pressure nozzle 6, infrared sensors 7, and a water supply pipe 8. The water storage tank 2 is installed inside the top fixed shell 1, and the PLC controller 3 is installed at the front end of the water storage tank 2. The water pump 4 is installed on the side end of the PLC controller 3. The angle adjustment mechanism 5 is installed at the lower end of the top fixed shell 1, and the high-pressure nozzle 6 is installed at the lower end of the angle adjustment mechanism 5. Four infrared sensors 7 are installed on the circumferential surface of the high-pressure nozzle 6. The water supply pipe 8 is installed on the side end of the angle adjustment mechanism 5. The angle adjustment mechanism 5 includes an angle drive motor 51, a drive worm gear 52, an external transmission pipe 53, an external fixed shell 54, a driven adjustment gear 55, an internal transmission rod 56, a rotating shaft 57, and a drive bevel gear. The device includes a wheel 58 and a rotating housing 59. Two driven adjusting gears 55 are mounted on the lower surface of the top fixed housing 1. An internal transmission rod 56 is mounted on the lower surface of the upper driven adjusting gear 55, and an external transmission tube 53 is mounted on the lower surface of the lower driven adjusting gear 55. An external fixed housing 54 is mounted on the circumferential surface of the external transmission tube 53. An angle drive motor 51 is installed on the lower surface of the top fixed housing 1, and a drive worm gear 52 is mounted on the side surface of the angle drive motor 51. A rotating housing 59 is mounted on the lower surface of the external transmission tube 53, and a drive bevel gear 58 is mounted on the lower surface of the internal transmission rod 56. A rotating shaft 57 is mounted on the inner surface of the rotating housing 59. This design solves the problems of the original device, which could not adjust the water spray volume of the high-pressure nozzle according to the size of the fire and could not accurately target the fire source, resulting in low fire extinguishing efficiency and high water consumption.

[0023] As the first embodiment of this utility model: Side fixing brackets 541 are respectively installed at both ends of the lower surface of the top fixed shell 1. A worm gear bracket 521 is installed on the inner side of the side fixing bracket 541. Both ends of the drive worm 52 pass through the worm gear bracket 521. Two limiting discs 522 are installed on the circumferential surface of the worm gear bracket 521. The limiting discs 522 are located on the outer surfaces of the two worm gear brackets 521. By adding the limiting discs 522, the drive worm 52 can be prevented from shaking, improving the stability of the transmission. Each angle drive motor 51 is fixedly connected to the top fixed shell 1 through a motor bracket 511. The angle drive motor 51 is connected to the drive worm 52 through a motor shaft. The driven adjusting gear 55 meshes with the corresponding drive worm 52. The side surface of the outer fixed shell 54... The rotating housing 59 is fixedly connected to the side fixed bracket 541. The internal transmission rod 56 passes through the rotating housing 59. The rotating housing 59 is fixedly connected to the external transmission pipe 53. An angle adjustment seat 572 is installed on the circumferential surface of the rotating shaft 57. A driven bevel gear 571 is installed on the circumferential surface of the rotating shaft 57. The driven bevel gear 571 meshes with the driving bevel gear 58. The high-pressure nozzle 6 is fixedly connected to the lower surface of the angle adjustment seat 572. The water storage tank 2 is connected to the water pump 4 through the water supply pipe 8. The water pump 4 is connected to the high-pressure nozzle 6 through the water supply pipe 8. The output end of the infrared sensor 7 is electrically connected to the input end of the PLC controller 3. The output end of the PLC controller 3 is electrically connected to the input end of the water pump 4. The output end of the PLC controller 3 is electrically connected to the input ends of the two angle drive motors 51.

[0024] As a second embodiment of this utility model: When a fire occurs, the infrared sensor 7 will continuously monitor the temperature point. When the highest temperature point is detected, the position information will be transmitted to the PLC controller 3. The PLC controller 3 will control the two angle drive motors 51 to start. The angle drive motors 51 will drive the drive worm gear 52 to rotate. The drive worm gear 52 will drive the corresponding driven adjusting gear 55 to rotate. The two driven adjusting gears 55 will simultaneously drive the internal transmission rod 56 and the external transmission tube 53 to rotate. The external transmission tube 53 will drive the rotating shell 59 to rotate. The internal transmission rod 56 will drive the rotating shaft 57 to rotate through the drive bevel gear 58 and the driven bevel gear 571. The rotating shaft 57 and the rotating shell 59 will cooperate to drive the high-pressure nozzle 6 to rotate at multiple angles, thereby spraying water at the fire point. In addition, the infrared sensor 7 will transmit the temperature signal to the water pump 4. The PLC controller 3 will change the power of the water pump 4 according to the temperature of the fire point, thereby using an appropriate amount of water for fire extinguishing.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-efficiency water-saving high-pressure fine water mist fire extinguishing device, comprising a top fixed shell (1), a water storage tank (2), a PLC controller (3), a water pump (4), an angle adjustment mechanism (5), a high-pressure nozzle (6), an infrared sensor (7), and a water supply pipe (8), characterized in that: A water storage tank (2) is installed inside the top fixed shell (1). A PLC controller (3) is installed at the front end of the water storage tank (2). A water pump (4) is installed on the side of the PLC controller (3). An angle adjustment mechanism (5) is installed at the lower end of the top fixed shell (1). A high-pressure nozzle (6) is installed at the lower end of the angle adjustment mechanism (5). Four infrared sensors (7) are installed on the circumferential surface of the high-pressure nozzle (6). A water supply pipe (8) is installed on the side of the angle adjustment mechanism (5). The angle adjustment mechanism (5) includes an angle drive motor (51), a drive worm gear (52), an external transmission tube (53), an external fixed shell (54), a driven adjustment gear (55), an internal transmission rod (56), a rotating shaft (57), a drive bevel gear (58), and a rotating outer shell (59). Two driven adjustment gears (55) are mounted on the lower surface of the top fixed shell (1). The lower surface of the upper driven adjustment gear (55) is equipped with an internal transmission rod (56), and the lower surface of the lower driven adjustment gear (55)... An external transmission tube (53) is mounted on the surface of the external transmission tube (53), and an external fixed shell (54) is mounted on the circumferential surface of the external transmission tube (53). An angle drive motor (51) is provided on the lower surface of the top fixed shell (1), and a drive worm gear (52) is mounted on the side surface of the angle drive motor (51). A rotating shell (59) is mounted on the lower surface of the external transmission tube (53), and a drive bevel gear (58) is mounted on the lower surface of the internal transmission rod (56). A rotating shaft (57) is mounted on the inner surface of the rotating shell (59).

2. The high efficiency water saving high pressure water mist fire extinguishing apparatus as claimed in claim 1, wherein: Side fixing brackets (541) are respectively installed at both ends of the lower surface of the top fixed shell (1). A worm gear bracket (521) is installed on the inner side of the side fixing bracket (541). The two ends of the drive worm (52) pass through the worm gear bracket (521). Two limiting discs (522) are installed on the circumferential surface of the worm gear bracket (521). The limiting discs (522) are respectively located on the outer surface of the two worm gear brackets (521).

3. The high efficiency water saving high pressure water mist fire extinguishing apparatus as claimed in claim 1, wherein: Each of the angle drive motors (51) is fixedly connected to the top fixed housing (1) via a motor bracket (511), and the angle drive motors (51) are connected to the drive worm gear (52) via a motor shaft.

4. The high efficiency water saving high pressure water mist fire extinguishing apparatus as claimed in claim 1, wherein: The driven adjusting gear (55) meshes with the corresponding driving worm (52), the side surface of the outer fixed shell (54) is fixedly connected to the side fixed bracket (541), the internal transmission rod (56) passes through the rotating shell (59), and the rotating shell (59) is fixedly connected to the external transmission tube (53).

5. The high efficiency water saving high pressure water mist fire extinguishing apparatus as claimed in claim 4, wherein: An angle adjustment seat (572) is installed on the circumferential surface of the rotating shaft (57), and a driven bevel gear (571) is installed on the circumferential surface of the rotating shaft (57). The driven bevel gear (571) meshes with the driving bevel gear (58), and the high-pressure nozzle (6) is fixedly connected to the lower surface of the angle adjustment seat (572).

6. The high efficiency water saving high pressure water mist fire extinguishing apparatus as claimed in claim 5, wherein: The water storage tank (2) is connected to the water pump (4) through a water supply pipe (8), and the water pump (4) is connected to the high-pressure nozzle (6) through a water supply pipe (8).

7. The high efficiency water saving high pressure water mist fire extinguishing apparatus as defined in claim 1, wherein: The output terminal of the infrared sensor (7) is electrically connected to the input terminal of the PLC controller (3), the output terminal of the PLC controller (3) is electrically connected to the input terminal of the water pump (4), and the output terminal of the PLC controller (3) is electrically connected to the input terminals of the two angle drive motors (51).

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