Intelligent fire extinguishing device and system

Abstract

The invention provides an intelligent fire extinguishing device and system, and relates to the technical field of fire extinguishing, the intelligent fire extinguishing device comprises an intelligent monitoring module, an Internet of Things communication module, an intelligent analysis module, an intelligent decision and execution module, a self-adaptive learning module and an energy management module, the Internet of Things module is used for data transmission, the intelligent analysis module is used for data analysis and fire recognition, the intelligent decision and execution module automatically executes fire extinguishing operation according to an analysis result of the intelligent analysis module, the adaptive learning module is used for algorithm optimization, and the energy management module is responsible for energy distribution and management. According to the invention, automatic monitoring, intelligent analysis and quick response can be realized during fire extinguishing of the cabin of the wind turbine generator, and accurate fire extinguishing is realized; and meanwhile, proper fire extinguishing types can be selected according to different application scenes and requirements, the cost and workload of manual inspection are reduced through an intelligent management means, and the operation and maintenance efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of fire fighting and extinguishing, and in particular to an intelligent fire extinguishing device and system. Background Art

[0002] With the rapid development of new energy construction, wind power, as a key renewable energy source, continues to see its installed capacity grow. However, wind turbines are often located far from cities, on mountaintops, or near the sea. This makes immediate and effective firefighting and rescue difficult in the event of a fire, which can easily cause significant property damage. With the widespread use of wind power technology, the capacity and cost of wind turbines are constantly increasing. Furthermore, the development of offshore wind power is placing higher demands on firefighting systems.

[0003] Traditional fire detection methods struggle to adapt to the high airflow and numerous fire hazards within wind turbine nacelles. Current wind turbine firefighting technology also faces numerous challenges, including limited fire monitoring coverage, delayed firefighting activation, and a lack of monitoring of daily equipment operation. Therefore, there is an urgent need to design an intelligent firefighting device and system to address these issues. Summary of the Invention

[0004] The present invention provides an intelligent fire extinguishing device and system to solve at least one of the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention discloses an intelligent fire extinguishing device, comprising: Intelligent monitoring module, including high-sensitivity smoke detectors, infrared thermal imaging sensors, high-definition cameras and gas sensors, for real-time monitoring of smoke, temperature, images and harmful gas concentrations in the environment; Internet of Things communication module, used for data transmission, uses wireless communication technology to transmit monitoring data to the remote monitoring center in real time; An intelligent analysis module, which analyzes and identifies fires based on the data collected by the intelligent monitoring module and accurately locates the fire source; An intelligent decision-making and execution module, including a gas fire extinguishing mechanism and a fine water mist fire extinguishing mechanism, automatically performs fire extinguishing operations according to the analysis results of the intelligent analysis module; Adaptive learning module, which continuously optimizes the algorithm based on historical fire extinguishing data to improve the accuracy of fire identification and fire extinguishing efficiency; The energy management module is used to integrate efficient energy management solutions to ensure that the device operates in low-power mode and can start up quickly in an emergency, ensuring long-term operation capabilities.

[0006] Preferably, it also includes: Environmental monitoring and feedback module: used to continuously monitor environmental humidity and oxygen concentration parameters, and feed the monitoring results back to the intelligent analysis module to assist in assessing fire risks and fire extinguishing effects; Personnel evacuation warning module: When a fire is detected and the fire extinguishing procedure is initiated, emergency evacuation instructions are issued to surrounding personnel through sound, light or wireless signals to ensure personnel safety.

[0007] Preferably, the gas fire extinguishing mechanism includes: a box body, a first mounting plate and a second mounting plate are fixedly mounted on the inner walls on both sides of the box body respectively, a plurality of fire extinguishing agent tanks are mounted on the first mounting plate at intervals, a first gas pipeline is fixedly mounted on the top of the box body through two mounting blocks, a plurality of second gas pipelines connect the plurality of fire extinguishing agent tanks with the second gas pipelines in a one-to-one correspondence, and a pressure relief valve is fixedly connected to the first gas pipeline, a plurality of starting gas cylinders are fixedly mounted on the second mounting plate at intervals, a plurality of third gas pipelines connect the plurality of starting gas cylinders with the second gas pipelines in a one-to-one correspondence, a gas outlet end of the second gas pipeline passes through the box body and is fixedly connected to a adapter, the adapter is connected to a plurality of injection pipelines, and a plurality of injection pipelines are connected to a reverse flow valve.

[0008] Preferably, the fine water mist fire extinguishing mechanism includes: a gantry, a third mounting plate is fixedly installed on the outer side wall of the gantry, a driving motor is fixedly installed on the top of the third mounting plate, a driving shaft is fixedly connected to the output shaft of the driving motor, a cam and a turntable are fixedly installed on the driving shaft at intervals, one end of the connecting rod is hinged to the cam away from the center, both ends of the guide rod are fixedly installed on the top of the gantry, the bottom of the first rack is slidably connected to the guide rod, and the other end of the connecting rod is hinged to one end of the first rack, the lower end of the rotating shaft rotates through the top of the gantry and is fixedly installed with a water distributor, the upper end of the rotating shaft is fixedly installed with a driving gear, the driving gear is meshed with the first rack, and the water outlet of the water distributor is connected to a plurality of first fine water mist nozzles.

[0009] The axle up and down groove at two ends embeds respectively in two guide rails up and down of being made up of the groove on the attachment piece, and the tooth on the attachment piece is meshed with tooth on upper sprocket wheel, the lower sprocket.

[0010] Preferably, an intelligent fire extinguishing system, based on the intelligent fire extinguishing device according to any one of claims 1 to 5, further comprises: Remote monitoring center, used to receive and analyze monitoring data from intelligent fire extinguishing devices; User interaction platform, used to provide a user-friendly interactive interface; Data analysis and decision support module, which provides optimization suggestions for fire prevention and fire fighting strategies based on big data analysis technology; The system maintenance and upgrade module is responsible for the daily maintenance and software upgrades of the system.

[0011] Preferably, the remote monitoring center also includes fire warning, fire source location and fire extinguishing strategy recommendation functions, and the user interaction platform also provides an intuitive and easy-to-use operation interface, allowing users to view system status, configure fire extinguishing strategies, receive alarm information, and make necessary system settings and parameter adjustments.

[0012] Preferably, it also includes a fire extinguishing performance detection device, which is used for the intelligent fire extinguishing system to detect the working status of the wind turbine cabin fire extinguishing. The fire extinguishing performance detection device includes: Pressure sensor, used to detect the pressure when spraying at the fine water mist nozzle; Flow sensor, used to detect the flow rate when spraying at the fine water mist nozzle; Speed ​​sensor, used to detect the flow rate of the nozzle hole when spraying at the fine water mist nozzle; Density sensor, used to detect the air density inside the wind turbine nacelle; A controller and an alarm are provided. The controller is electrically connected to the pressure sensor, the flow sensor, the speed sensor, the density sensor and the alarm. The controller controls the operation of the alarm based on the pressure sensor, the flow sensor, the speed sensor and the density sensor.

[0013] Preferably, the controller controls the alarm to work based on the pressure sensor, flow sensor, speed sensor and density sensor, comprising the following steps: Step 1: Based on formula (1) and the detection values ​​of the pressure sensor and flow sensor, calculate the actual response time of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. ; (1); Among them, T is the actual response time of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. is the length of the main water supply pipeline for spraying, is the radius of the main water supply pipeline for spraying, is the length of the spraying water supply branch pipe, is the pipe radius of the spray water branch pipe, is the number of water mist nozzles, is the flow characteristic coefficient of the fine water mist nozzle, It is the pressure value detected by the pressure sensor when spraying the fine water mist nozzle. is the inner diameter of the spray water main pipeline, P is the resistance loss of the water pipeline, is the friction coefficient of the water pipeline, is the density of water, It is the flow rate detected by the flow sensor when spraying the fine water mist nozzle. is the roughness of the inner wall of the water pipeline, is the diameter of the water mist nozzle, is the dynamic viscosity of water; Step 2: According to the following formula (2) and the detection values ​​of the velocity sensor and density sensor, calculate the actual water mist fire extinguishing effect index of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire The controller compares the actual water mist fire extinguishing effect index of the current intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire Compared with the preset atomization effect index range, if the actual water mist fire extinguishing effect index of the current intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire is When the fire is not within the preset water mist fire extinguishing effect index range, the controller controls the alarm to sound an alarm; (2); in, The actual water mist fire extinguishing effect index of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. is the spray coefficient of the fine water mist nozzle, is the volume of the wind turbine nacelle, It is the detection value of the nozzle flow velocity when the speed sensor sprays the fine water mist nozzle. is the detection value of the air density inside the motor cabin by the density sensor, is the surface tensile strength of water.

[0014] The intelligent fire extinguishing device and system provided by the present invention has the following beneficial effects compared with the prior art: 1. The intelligent fire extinguishing device can autonomously monitor, intelligently analyze, quickly respond, and achieve precise fire extinguishing when extinguishing a fire in a wind turbine cabin. It can also select the appropriate fire extinguishing type according to different application scenarios and needs. In areas with limited space and a large number of valuable equipment, gas fire extinguishing can be used, while in open areas or scenarios that require rapid cooling, fine water mist fire extinguishing can be selected. At the same time, through intelligent management methods, the cost and workload of manual inspections are reduced, and operation and maintenance efficiency is improved.

[0015] 2. The intelligent fire extinguishing system can realize real-time monitoring, early warning and automatic fire extinguishing of the wind turbine cabin, thereby effectively improving the safety of the wind power generation system and effectively reducing fire losses. The real-time monitoring, intelligent early warning and automatic fire extinguishing of fires inside the wind turbine cabin also provide operation and maintenance personnel with more convenient and efficient management tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic structural diagram of an intelligent fire extinguishing device provided in an embodiment of the present invention; Figure 2 A schematic structural diagram of a gas fire extinguishing mechanism of an intelligent fire extinguishing device provided by an embodiment of the present invention; Figure 3 A schematic structural diagram of a water mist fire extinguishing mechanism of an intelligent fire extinguishing device provided by an embodiment of the present invention; Figure 4 A schematic structural diagram of an intelligent fire extinguishing system provided in an embodiment of the present invention.

[0018] Reference numerals: 1. Gas fire extinguishing mechanism; 2. Box; 3. First mounting plate; 4. Second mounting plate; 5. Fire extinguishing agent tank; 6. First gas pipeline; 7. Mounting block; 8. Second gas pipeline; 9. Pressure relief valve; 10. Starting gas cylinder; 11. Third gas pipeline; 12. Adapter; 13. Injection pipe; 14. Backflow valve; 15. Water mist fire extinguishing mechanism; 16. Gantry; 17. Third mounting plate; 18. Drive motor; 19. Drive shaft; 20. Cam. 21. Turntable; 22. Connecting rod; 23. Guide rod; 24. First rack; 25. Rotating shaft; 26. Water distributor; 27. Driving gear; 28. First water mist nozzle; 29. ​​Transmission rod; 30. Sliding sleeve; 31. Sliding rod; 32. Second rack; 33. Driven gear; 34. Through hole; 35. First mounting rod; 36. Second mounting rod; 37. Second water mist nozzle; 38. Connecting rod; 39. Spring; 40. Pulley; 41. Pull rope. DETAILED DESCRIPTION

[0019] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0020] The present invention provides the following embodiments Example 1 The embodiment of the present invention provides an intelligent fire extinguishing device, such as Figure 1 Shown, including: Intelligent monitoring module, including high-sensitivity smoke detectors, infrared thermal imaging sensors, high-definition cameras and gas sensors, for real-time monitoring of smoke, temperature, images and harmful gas concentrations in the environment; Internet of Things communication module, used for data transmission, uses wireless communication technology to transmit monitoring data to the remote monitoring center in real time; An intelligent analysis module, which analyzes and identifies fires based on the data collected by the intelligent monitoring module and accurately locates the fire source; An intelligent decision-making and execution module, including a gas fire extinguishing mechanism and a fine water mist fire extinguishing mechanism, automatically performs fire extinguishing operations according to the analysis results of the intelligent analysis module; Adaptive learning module, which continuously optimizes the algorithm based on historical fire extinguishing data to improve the accuracy of fire identification and fire extinguishing efficiency; The energy management module is used to integrate efficient energy management solutions to ensure that the device operates in low-power mode and can start up quickly in an emergency, ensuring long-term operation capabilities.

[0021] Preferably, it also includes: Environmental monitoring and feedback module: used to continuously monitor environmental humidity and oxygen concentration parameters, and feed the monitoring results back to the intelligent analysis module to assist in assessing fire risks and fire extinguishing effects; Personnel evacuation warning module: When a fire is detected and the fire extinguishing procedure is initiated, emergency evacuation instructions are issued to surrounding personnel through sound, light or wireless signals to ensure personnel safety.

[0022] The working principle and beneficial effects of the above technical solution are: The present invention provides an intelligent fire extinguishing device comprising an intelligent monitoring module, an Internet of Things communication module, an intelligent analysis module, an intelligent decision-making and execution module, an adaptive learning module, and an energy management module. The intelligent monitoring module is used to monitor environmental parameters in real time, the Internet of Things communication module is used for data transmission, the intelligent analysis module is used for data analysis and fire identification, the intelligent decision-making and execution module automatically executes fire extinguishing operations based on the analysis results of the intelligent analysis module, the adaptive learning module is used for algorithm optimization, and the energy management module is responsible for energy distribution and management. The present invention can autonomously monitor, intelligently analyze, and rapidly respond to fires in wind turbine nacelles, achieving precise fire extinguishing. It can also select the appropriate fire extinguishing type based on different application scenarios and needs. Through intelligent management methods, it reduces the cost and workload of manual inspections and improves operation and maintenance efficiency. Furthermore, the fire extinguishing device should be closely linked with the personnel evacuation warning module and the intelligent decision-making and execution module to ensure that the entire process from fire detection to flame extinguishing is completed in the shortest possible time. To ensure personnel safety, an emergency stop button can be manually pressed to cut off the power supply.

[0023] Example 2 On the basis of Example 1, Figure 2-Figure 3 As shown, the gas fire extinguishing mechanism 1 includes: a box body 2, a first mounting plate 3 and a second mounting plate 4 are fixedly installed on the inner walls on both sides of the box body 2, a number of fire extinguishing agent tanks 5 are installed on the first mounting plate 3 at intervals, a first gas pipeline 6 is fixedly installed on the top of the box body 2 through two mounting blocks 7, a number of second gas pipelines 8 connect the number of fire extinguishing agent tanks 5 with the second gas pipeline 8 in a one-to-one manner, and a pressure relief valve 9 is fixedly connected to the first gas pipeline 6, a number of starting gas cylinders 10 are fixedly installed on the second mounting plate 4 at intervals, a number of third gas pipelines 11 connect the number of starting gas cylinders 10 with the second gas pipeline 8 in a one-to-one manner, the gas outlet end of the second gas pipeline 8 passes through the box body 2 and is fixedly connected to a adapter 12, the adapter 12 is connected to a number of injection pipelines 13, and a number of injection pipelines 13 are connected to a reverse flow valve 14.

[0024] Preferably, the fine water mist fire extinguishing mechanism 15 includes: a gantry 16, a third mounting plate 17 is fixedly installed on the outer side wall of the gantry 16, a drive motor 18 is fixedly installed on the top of the third mounting plate 17, a drive shaft 19 is fixedly connected to the output shaft of the drive motor 18, a cam 20 and a turntable 21 are fixedly installed on the drive shaft 19 at intervals, one end of the connecting rod 22 is hinged to the cam 20 away from the center, both ends of the guide rod 23 are fixedly installed on the top of the gantry 16, the bottom of the first rack 24 is slidably connected to the guide rod 23, and the other end of the connecting rod 22 is hinged to one end of the first rack 24, the lower end of the rotating shaft 25 rotates through the top of the gantry 16 and is fixedly installed with a water divider 26, the upper end of the rotating shaft 25 is fixedly installed with a drive gear 27, the drive gear 27 is meshed with the first rack 24, and the water outlet of the water divider 26 is connected to a number of first fine water mist nozzles 28.

[0025] Preferably, it also includes a transmission rod 29, one end of the transmission rod 29 is hinged to the turntable 21 away from the center, the sliding sleeve 30 is fixedly installed on the outer wall of the gantry 16, the sliding rod 31 is slidably connected to the sliding sleeve 30, and the lower end of the transmission rod 29 is hinged to the upper end of the sliding rod 31, the lower end of the sliding rod 31 is fixedly connected to the second rack 32, the driven gear 33 is rotatably connected to the through hole 34 embedded in the side wall of the gantry 16, the driven gear 33 is engaged with the second rack 32, and the first mounting rod 35 and the second mounting rod 36 are respectively hinged at On the inner wall of the gantry 16, a second fine water mist nozzle 37 is fixedly mounted on the first mounting rod 35 and the second mounting rod 36. The first mounting rod 35 is hinged to the driven gear 33 away from the center through a connecting rod 38. The middle part of the second mounting rod 36 is connected to the inner wall of the gantry 16 through a spring 39. Two pulleys 40 are fixedly mounted at a distance from the top of the gantry 16. One end of the pull rope 41 is connected to the first mounting rod 35, and the other end of the pull rope 41 is connected to the second mounting rod 36 after passing through the two pulleys 40 in sequence.

[0026] The working principle and beneficial effects of the above technical solution are: The above-mentioned gas fire extinguishing mechanism 11 can be used for gas fire extinguishing in areas with small spaces and many valuable equipment. When the gas fire extinguishing mechanism 11 performs a fire extinguishing operation, the fire extinguishing agent in the plurality of fire extinguishing agent tanks 5 is first controlled by the intelligent decision-making and execution module to be transported to the second gas pipeline 8, and then the fire extinguishing agent is transported to the first gas pipeline 6 through the second gas pipeline 8. At this time, the pressure relief valve 9 fixedly connected to the first gas pipeline 6 can ensure that the pressure in the pipeline is within a normal range. At the same time, the gas cylinder 10 is started to release compressed air, which is connected to the first gas pipeline 6 through the third gas pipeline 11, and then the fire extinguishing agent in the first gas pipeline 6 is pushed to the connector, and then the fire extinguishing agent is transported to the fire location through the plurality of injection pipelines 13 to quickly reduce the oxygen concentration in the fire scene to absorb the heat of the flame, so that the flame is extinguished due to lack of oxygen and the fire is extinguished.

[0027] The water mist fire extinguishing mechanism 15 can be used for open areas or scenes where rapid cooling is required. When the water mist fire extinguishing mechanism 15 performs a fire extinguishing operation, the drive motor 18 located on the top of the first mounting plate 3 is first controlled by the intelligent decision-making and execution module to start. At this time, the drive motor 18 drives the fixed drive shaft 19 to rotate. At the same time, the cam 20 and the turntable 21 fixedly connected to the drive shaft 19 rotate synchronously. Then, the connecting rod 22 hinged away from the center of the cam 20 drives the first rack 24 along with the rotation of the cam 20. The guide rod 23 moves left and right, and the guide rod 23 can provide guidance for the sliding of the first rack 24. Then, through the meshing transmission of the first rack 24 and the driving gear 27, the rotating shaft 25 connected to the driven gear 33 is rotated, and then the water distributor 26 fixedly installed at the lower end of the rotating shaft 25 is driven to rotate, so that the several first fine water mist nozzles 28 on the water distributor 26 can fully cover the fire location, effectively improving the fire extinguishing efficiency. At the same time, the water inlet of the water distributor 26 is connected to the water source through a pipe, ensuring the high efficiency of fire extinguishing.

[0028] At the same time, the rotation of the turntable 21 drives the sliding rod 31 hinged to the transmission rod 29 to move up and down along the sliding sleeve 30, and then the second rack 32 fixedly connected to the lower end of the sliding rod 31 moves up and down synchronously, and then the second rack 32 is meshed with the driven gear 33 through the second rack 32 for transmission, driving the connecting rod 38 hinged to the driven gear 33 to pull the first mounting rod 35 to swing up and down along the inner wall of the gantry 16, so that the second fine water mist nozzle 37 on the first mounting rod 35 swings up and down, and then the first mounting rod 35 cooperates with the pull rope 41 and the pulley 40 to make the second mounting rod 36 also swing up and down under the action of the elastic force of the spring 39. At the same time, the second fine water mist nozzle 37 on the second mounting rod 36 also swings up and down, and the second fine water mist nozzle 37 is connected to the water source through the pipeline. The above can achieve lateral fire extinguishing. At the same time, it also cooperates with the first fine water mist nozzle 28 to quickly extinguish the fire in all directions and at multiple angles, which not only effectively improves the efficiency of fire extinguishing, but also effectively ensures the fire extinguishing effect of the fine water mist fire extinguishing mechanism 15.

[0029] Example 3 On the basis of Example 1 or 2, as Figure 4 As shown, an intelligent fire extinguishing system, based on the intelligent fire extinguishing device according to any one of claims 1 to 5, further comprising: Remote monitoring center, used to receive and analyze monitoring data from intelligent fire extinguishing devices; User interaction platform, used to provide a user-friendly interactive interface; Data analysis and decision support module, which provides optimization suggestions for fire prevention and fire fighting strategies based on big data analysis technology; The system maintenance and upgrade module is responsible for the daily maintenance and software upgrades of the system.

[0030] Preferably, the remote monitoring center also includes fire warning, fire source location and fire extinguishing strategy recommendation functions, and the user interaction platform also provides an intuitive and easy-to-use operation interface, allowing users to view system status, configure fire extinguishing strategies, receive alarm information, and make necessary system settings and parameter adjustments.

[0031] The working principle and beneficial effects of the above technical solution are: The remote monitoring center set up in the above-mentioned intelligent fire extinguishing system is used to receive monitoring data from the intelligent fire extinguishing device, conduct further data analysis and processing, and provide functions such as fire warning, fire source location, and fire extinguishing strategy recommendations. The user interaction platform then provides a user-friendly interactive interface for displaying monitoring data, alarm information, and fire extinguishing operation status, while also providing manual control options to facilitate user intervention based on actual conditions. The data analysis and decision support module uses big data analysis technology to mine and analyze historical fire data, providing a scientific basis for fire prevention and fire extinguishing strategy optimization. The system maintenance and upgrade module is responsible for the daily maintenance, troubleshooting, and software upgrades of the intelligent fire extinguishing device and system to ensure the stable operation and continuous optimization of the system. The system realizes real-time monitoring, early warning, and automatic fire extinguishing of the wind turbine cabin, thereby effectively improving the safety of the wind power generation system and reducing fire losses. It also realizes real-time monitoring, intelligent early warning, and automatic fire extinguishing of fires inside the wind turbine cabin.

[0032] Example 4 On the basis of Example 3, a fire extinguishing performance detection device is further included, which is used for the intelligent fire extinguishing system to detect the working status of the wind turbine cabin fire extinguishing. The fire extinguishing performance detection device includes: Pressure sensor, used to detect the pressure when spraying at the fine water mist nozzle; Flow sensor, used to detect the flow rate when spraying at the fine water mist nozzle; Speed ​​sensor, used to detect the flow rate of the nozzle hole when spraying at the fine water mist nozzle; Density sensor, used to detect the air density inside the wind turbine nacelle; A controller and an alarm are provided. The controller is electrically connected to the pressure sensor, the flow sensor, the speed sensor, the density sensor and the alarm. The controller controls the operation of the alarm based on the pressure sensor, the flow sensor, the speed sensor and the density sensor.

[0033] Preferably, the controller controls the alarm to work based on the pressure sensor, flow sensor, speed sensor and density sensor, comprising the following steps: Step 1: Based on formula (1) and the detection values ​​of the pressure sensor and flow sensor, calculate the actual response time of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. ; (1); Among them, T is the actual response time of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. is the length of the main water supply pipeline for spraying, is the radius of the main water supply pipeline for spraying, is the length of the spraying water supply branch pipe, is the pipe radius of the spray water branch pipe, is the number of water mist nozzles, is the flow characteristic coefficient of the water mist nozzle (usually 0.44), It is the pressure value detected by the pressure sensor when spraying the fine water mist nozzle. is the inner diameter of the spray water main pipeline, P is the resistance loss of the water pipeline (unit is , obtained by table lookup), is the friction coefficient of the water pipeline (unit: ), is the density of water, It is the flow rate detected by the flow sensor when spraying the fine water mist nozzle. is the roughness of the inner wall of the water pipeline, is the diameter of the water mist nozzle, is the dynamic viscosity of water; Step 2: According to the following formula (2) and the detection values ​​of the velocity sensor and density sensor, calculate the actual water mist fire extinguishing effect index of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire The controller compares the actual water mist fire extinguishing effect index of the current intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire Compared with the preset atomization effect index range, if the actual water mist fire extinguishing effect index of the current intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire is When the fire is not within the preset water mist fire extinguishing effect index range, the controller controls the alarm to sound an alarm; (2); in, The actual water mist fire extinguishing effect index of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. is the spray coefficient of the water mist nozzle (usually 3.01), is the volume of the wind turbine nacelle, It is the detection value of the nozzle flow velocity when the speed sensor sprays the fine water mist nozzle. is the detection value of the air density inside the motor cabin by the density sensor, is the surface tensile strength of water (obtained by looking up the table).

[0034] The beneficial effects of the above technical solution are as follows: first, according to formula (1) and the detection values ​​of the pressure sensor and the flow sensor, the actual response time of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire is By comprehensively considering the length of the spraying water supply main pipeline, the pipe radius of the spraying water supply main pipeline, the length of the spraying water supply branch pipeline, the pipe radius of the spraying water supply branch pipeline, the number of fine water mist nozzles, the flow characteristic coefficient of the fine water mist nozzle, the pressure when spraying at the fine water mist nozzle, the inner diameter of the spraying water supply main pipeline, the resistance loss of the water supply pipeline, the friction coefficient of the water supply pipeline, the density of water, the flow rate when spraying at the fine water mist nozzle, the roughness of the inner wall of the water supply pipeline, the diameter of the fine water mist nozzle, and the dynamic viscosity of water, the calculation results are made more accurate and reliable.

[0035] Then, according to (2) and the detection values ​​of the speed sensor and density sensor, the actual water mist fire extinguishing effect index of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire is calculated. By comprehensively considering the spray coefficient of the fine water mist nozzle, the volume of the wind turbine cabin, the flow rate of the nozzle hole when spraying at the fine water mist nozzle, the density of the air inside the turbine cabin, and the surface tensile strength of water, the calculation results are made more accurate and reliable.

[0036] Secondly, the controller controls the alarm based on the pressure sensor, flow sensor, speed sensor and density sensor. If the actual water mist fire extinguishing effect index of the current intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin is When it is not within the preset water mist fire extinguishing effect index range, the controller controls the alarm to sound, thereby reminding the staff to check the intelligent fire extinguishing system in time, and perform maintenance on the intelligent fire extinguishing device according to the actual inspection results to maintain the use requirements of the intelligent fire extinguishing system for wind turbine cabin fire extinguishing, while ensuring the normal operation of the intelligent fire extinguishing device as a whole and timely fire extinguishing after a fire occurs in the wind turbine cabin, meeting the use requirements of the intelligent fire extinguishing system for wind turbine cabin fire extinguishing reliability and stability, and monitoring the working status of the intelligent fire extinguishing system in the process of wind turbine cabin fire extinguishing in real time, not only the efficiency of the intelligent fire extinguishing system for wind turbine cabin fire extinguishing is improved, but also it is ensured that the intelligent fire extinguishing system can quickly discover and complete maintenance in time after a fault occurs.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An intelligent fire extinguishing device, characterized in that: include: Intelligent monitoring module, including high-sensitivity smoke detectors, infrared thermal imaging sensors, high-definition cameras and gas sensors, for real-time monitoring of smoke, temperature, images and harmful gas concentrations in the environment; Internet of Things communication module, used for data transmission, uses wireless communication technology to transmit monitoring data with the remote monitoring center in real time; An intelligent analysis module, which performs analysis and fire identification based on the data collected by the intelligent monitoring module, and accurately locates the fire source; An intelligent decision-making and execution module, including a gas fire extinguishing mechanism and a fine water mist fire extinguishing mechanism, automatically performs a fire extinguishing operation according to the analysis results of the intelligent analysis module; Adaptive learning module, which continuously optimizes the algorithm based on historical fire extinguishing data to improve the accuracy of fire identification and fire extinguishing efficiency; The energy management module is used to integrate efficient energy management solutions to ensure that the device operates in low-power mode and starts up quickly in an emergency to ensure long-term operation capabilities.

2. An intelligent fire extinguishing device according to claim 1, characterized in that: Also includes: Environmental monitoring and feedback module: used to continuously monitor the parameters of environmental humidity and oxygen concentration, and feed back the monitoring results to the intelligent analysis module to assist in assessing fire risks and fire extinguishing effects; Personnel evacuation warning module: When a fire is detected and the fire extinguishing procedure is initiated, emergency evacuation instructions are issued to surrounding personnel through sound, light or wireless signals to ensure personnel safety.

3. The intelligent fire extinguishing device according to claim 1, characterized in that: The gas fire extinguishing mechanism (1) comprises: a box (2), a first mounting plate (3) and a second mounting plate (4) are fixedly mounted on the inner walls of both sides of the box (2), a plurality of fire extinguishing agent tanks (5) are mounted on the first mounting plate (3) at intervals, a first gas pipeline (6) is fixedly mounted on the top of the box (2) via two mounting blocks (7), a plurality of second gas pipelines (8) are connected to the plurality of fire extinguishing agent tanks (5) and the second gas pipelines (8) in a one-to-one correspondence, and the first gas pipeline (6) A pressure relief valve (9) is fixedly connected to the upper portion, a plurality of starting gas cylinders (10) are fixedly installed on the second mounting plate (4) at intervals, the plurality of third gas pipelines (11) connect the plurality of starting gas cylinders (10) with the second gas pipeline (8) in a one-to-one correspondence, the gas outlet end of the second gas pipeline (8) passes through the box body (2) and is fixedly connected to an adapter (12), the adapter (12) is connected to a plurality of injection pipelines (13), and a reverse flow valve (14) is connected to the plurality of injection pipelines (13).

4. The intelligent fire extinguishing device according to claim 1, characterized in that: The water mist fire extinguishing mechanism (15) comprises: a gantry (16), a third mounting plate (17) is fixedly mounted on the outer side wall of the gantry (16), a driving motor (18) is fixedly mounted on the top of the third mounting plate (17), a driving shaft (19) is fixedly connected to the output shaft of the driving motor (18), a cam (20) and a rotating disk (21) are fixedly mounted on the driving shaft (19) at a distance, one end of a connecting rod (22) is hinged to the cam (20) away from the center, and both ends of a guide rod (23) are fixedly mounted on the gantry. The top of the gantry (16) is fixedly mounted with a driving gear (27), and the driving gear (27) is meshed with the first rack (24). The water outlet of the water distributor (26) is connected to a plurality of first fine water mist nozzles (28).

5. An intelligent fire extinguishing device according to claim 4, characterized in that: The invention also comprises a transmission rod (29), one end of which is hinged at a position away from the center of the turntable (21), a sliding sleeve (30) is fixedly mounted on the outer wall of the gantry (16), the sliding rod (31) is slidably connected in the sliding sleeve (30), and the lower end of the transmission rod (29) is hinged to the upper end of the sliding rod (31), the lower end of the sliding rod (31) is fixedly connected to a second rack (32), a driven gear (33) is rotatably connected in a through hole (34) embedded in the side wall of the gantry (16), the driven gear (33) is meshed with the second rack (32), and a first mounting rod (35) and a second mounting rod (36) are respectively hinged at the through hole (34) embedded in the side wall of the gantry (16). On the inner side wall of the gantry (16), a second fine water mist nozzle (37) is fixedly mounted on the first mounting rod (35) and the second mounting rod (36); the first mounting rod (35) is hinged to the driven gear (33) away from the center through a connecting rod (38); the middle part of the second mounting rod (36) is connected to the inner wall of the gantry (16) through a spring (39); two pulleys (40) are fixedly mounted at a distance at the top of the gantry (16); one end of a pull rope (41) is connected to the first mounting rod (35), and the other end of the pull rope (41) passes through the two pulleys (40) in sequence and is connected to the second mounting rod (36).

6. An intelligent fire extinguishing system, based on the intelligent fire extinguishing device according to any one of claims 1 to 5, characterized in that: Also includes: Remote monitoring center, used to receive and analyze monitoring data from intelligent fire extinguishing devices; User interaction platform, used to provide a user-friendly interactive interface; Data analysis and decision support module, which provides optimization suggestions for fire prevention and fire fighting strategies based on big data analysis technology; The system maintenance and upgrade module is responsible for the daily maintenance and software upgrades of the system.

7. An intelligent fire extinguishing system according to claim 6, characterized in that: The remote monitoring center also includes fire warning, fire source location and fire extinguishing strategy recommendation functions. The user interaction platform also provides an intuitive and easy-to-use operation interface, allowing users to view system status, configure fire extinguishing strategies, receive alarm information, and make necessary system settings and parameter adjustments.

8. An intelligent fire extinguishing system according to claim 6, characterized in that: It also includes a fire extinguishing performance detection device, which is used for the intelligent fire extinguishing system to detect the working state of the wind turbine cabin fire extinguishing, and the fire extinguishing performance detection equipment includes: A pressure sensor is used to detect the pressure when spraying at the fine water mist nozzle; A flow sensor is used to detect the flow rate when spraying at the fine water mist nozzle; A velocity sensor is used to detect the flow rate of the spray hole when spraying at the fine water mist nozzle; Density sensor, used to detect the air density inside the wind turbine cabin; A controller and an alarm, wherein the controller is electrically connected to the pressure sensor, the flow sensor, the speed sensor, the density sensor and the alarm, and the controller controls the operation of the alarm based on the pressure sensor, the flow sensor, the speed sensor and the density sensor.

9. An intelligent fire extinguishing system according to claim 8, characterized in that: The controller controls the alarm to work based on the pressure sensor, flow sensor, speed sensor and density sensor, including the following steps: Step 1: According to formula (1) and the detection values ​​of the pressure sensor and flow sensor, calculate the actual response time of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. ; （1）； Among them, T is the actual response time of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire. The length of the main pipeline for spraying water, is the pipe radius of the spray water main pipeline, The length of the branch pipe for spraying water, is the pipe radius of the spray water branch pipe, is the number of water mist nozzles, is the flow characteristic coefficient of the fine water mist nozzle, It is the pressure value detected by the pressure sensor when spraying the fine water mist nozzle. is the inner diameter of the main water supply pipe for spraying. P is the resistance loss of the water pipeline, is the friction coefficient of the water pipeline, is the density of water, It is the flow rate detected by the flow sensor when spraying the fine water mist nozzle. is the inner wall roughness of the water pipeline, is the diameter of the water mist nozzle, is the dynamic viscosity of water; Step 2: According to the following formula (2) and the detection values ​​of the velocity sensor and the density sensor, calculate the actual water mist fire extinguishing effect index of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire: The controller compares the actual water mist fire extinguishing effect index of the current intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin fire Compared with the preset atomization effect index range, if the actual water mist fire extinguishing effect index of the current intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin is When it is not within the preset water mist fire extinguishing effect index range, the controller controls the alarm to sound an alarm; （2）； in, It is the actual water mist fire extinguishing effect index of the intelligent fire extinguishing system in the process of extinguishing the wind turbine cabin. is the spray coefficient of the water mist nozzle, is the volume of the wind turbine nacelle, It is the detection value of the flow velocity of the nozzle hole when the speed sensor sprays the fine water mist nozzle. is the detection value of the air density inside the motor cabin by the density sensor, is the surface tensile strength of water.

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