Linkage type intelligent safety early warning system and early warning method

Abstract

The invention discloses a linkage type intelligent safety early warning system and early warning method, and belongs to the technical field of safety early warning systems.The linkage type intelligent safety early warning system comprises a control cabinet, a switch cabinet, a detection device, a data processing device and a fire extinguishing device, the detection device and the fire extinguishing device are both electrically connected with the data processing device, and the data processing device is electrically connected with the switch cabinet; the switch cabinet communicates with the central control management machine, the central control management machine is connected with an alarm device, and the detection device comprises a point distribution temperature sensor, a linear distribution temperature sensor, a composite gas sensor, a smoke sensor, a dual-light flame detector, an emission heat flux detector, an infrared thermal imaging device and a partial discharge detector. The partial discharge detector is arranged in the control cabinet and the switch cabinet, and the composite breath sensor is arranged in the cabin through the mobile adjusting device. According to the fire extinguishing system, more types of sensors are arranged, the collected data are analyzed, early warning is carried out in time, meanwhile, the central control management machine informs management personnel of taking corresponding measures in time, and the fire extinguishing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of safety warning systems, and in particular to a linkage-type intelligent safety warning system and a warning method. Background Art

[0002] The linkage intelligent safety warning system is a comprehensive safety solution that integrates multiple sensors and intelligent control technologies, and is designed to monitor and prevent potential safety hazards in real time. The application of the linkage intelligent safety warning system in wind power generation collects data by arranging sensors at key locations. For example, the patent with announcement number CN118022223A discloses an automatic fire extinguishing system for a wind turbine cabin and its working method. By using multiple different types of fire detection sensors for fire detection, it can effectively make up for the functional limitations of a single fire detection sensor. The wind turbine main control module can detect fires in the early stages of high temperature and ignition of electrical components in the cabin of the wind turbine, and extinguish fires through the fire extinguishing module, which is convenient for timely extinguishing of fires, and can suppress fires in wind turbines, which is beneficial to minimize the losses of wind turbines. It is also suitable for wind turbines in remote areas. However, there are the following problems: (1) Only the types of sensors are increased, but the specific layout is not disclosed, which directly affects the detection accuracy.

[0003] (2) The accumulation of cables at the saddle bridge affects the heat dissipation performance and makes fire more likely to occur. Summary of the invention

[0004] The purpose of the present invention is to provide a linkage type intelligent safety early warning system and early warning method to solve the above technical problems.

[0005] To achieve the above-mentioned object, the present invention provides a linkage intelligent safety warning system, comprising a control cabinet arranged in a cabin and a switch cabinet arranged at the bottom of a wind turbine tower, and also comprising a detection device, a data processing device arranged in the control cabinet, and a fire extinguishing device, wherein the detection device and the fire extinguishing device are both electrically connected to the data processing device, the data processing device is electrically connected to the switch cabinet, the switch cabinet communicates with a central control management machine, and the central control management machine is connected to an alarm device; The detection device includes a point distribution temperature sensor, a linear distribution temperature sensor, a composite breath sensor, a smoke sensor, a dual-light flame detector, a heat flux detector, an infrared thermal imaging device and a partial discharge detector. The partial discharge detector is arranged in the control cabinet and the switch cabinet, and the composite breath sensor is arranged in the cabin through a mobile adjustment device.

[0006] Preferably, it also includes a space temperature and humidity sensor arranged in the cabin, and the space temperature and humidity sensor is electrically connected to the data processing device.

[0007] Preferably, a plurality of point-distributed temperature sensors are provided and distributedly installed on the generator, gearbox, brake disc, switch cabinet and control cabinet. The point-distributed temperature sensors are electrically connected to the control cabinet. The heat flux detector is provided on the generator to detect the heat flux of the generator.

[0008] Preferably, the mobile adjustment device includes a track arranged in the cabin, a mobile carrier is arranged on the track, the composite breath sensor is installed on the mobile carrier through an electric telescopic rod for detecting the concentration of combustion-related gases, and an air suction pump is arranged at the bottom of the composite breath sensor.

[0009] Preferably, a trigger mechanism is arranged in the air intake pipe of the suction pump, the trigger mechanism comprises a trigger rack slidably arranged inside the air intake pipe, the trigger rack is arranged in the air intake pipe through an ejection spring, the trigger rack is meshed with a transmission gear installed in the air intake pipe, the transmission gear is meshed with one side of the ejector rod, and the other side of the ejector rod is slidably arranged in the air intake pipe; the air intake pipe and the one-way valve on the top of the control cabinet are arranged opposite to each other; The mobile carrier, the electric telescopic rod, the air suction pump and the composite breath sensor are all electrically connected to the data processing device.

[0010] Preferably, it also includes a cable spacing device, which includes an intermediate ring, and a plurality of cable limiting mechanisms are arranged on the circumferential side of the intermediate ring, the cable limiting mechanism includes a first pipe segment connected to the circumferential side of the intermediate ring by an adjusting spring, the first pipe segment is connected to the second pipe segment by bolts, the first pipe segment and the second pipe segment are arranged opposite to each other, and the first pipe segment and the second pipe segment are both provided with guide through holes, guide rods are arranged in the guide through holes, and the guide rods are arranged on the circumferential side of the intermediate ring, the linear distribution temperature sensor is embedded in the inner sides of the intermediate ring, the first pipe segment and the second pipe segment, and the linear distribution temperature sensor is arranged on the outer side of the generator.

[0011] Preferably, a point distribution temperature sensor is also provided on the track and the point distribution temperature sensor is an infrared temperature detection sensor.

[0012] Preferably, the data processing device includes a data acquisition module, a data processing module, a data analysis module and a communication module, the data acquisition module, the data processing module and the communication module are all electrically connected to the data analysis module, and the data analysis module is connected to a smoke diffusion analyzer; a thermal imaging recognition module is provided in the data analysis module, which is used to obtain temperature anomaly points and the distribution of temperature fields, and analyze historical thermal imaging data to determine whether there is an abnormality.

[0013] Preferably, the fire extinguishing device includes an in-cabinet fire extinguisher arranged in a switch cabinet or a control cabinet and a mobile fire extinguisher arranged on a track; the in-cabinet fire extinguisher is installed on the cabinet door through a clamp, and the clamp is a U-shaped clamp; a connecting plate is arranged on the outside of the mobile fire extinguisher, and the connecting plate is slidably arranged on the track, and an adsorption plate is arranged on the connecting plate, and the adsorption plate is arranged opposite to the electromagnetic adsorption component of the mobile carrier; the in-cabinet fire extinguisher, the mobile fire extinguisher and the electromagnetic adsorption component are all electrically connected to the data processing device.

[0014] Preferably, the alarm device includes an audible and visual alarm and a mobile management terminal. When a fire or abnormal temperature occurs, the audible and visual alarm is activated, and the central control management machine notifies the management personnel through the mobile management terminal. The management personnel view the specific data and thermal imaging data through the central control management machine to determine whether to activate the fire extinguishing device.

[0015] Based on the above-mentioned early warning method of the linkage intelligent safety early warning system, the specific steps are as follows: Step S1: The data acquisition module collects the detection data of the detection device in real time and sends it to the data processing device for processing and analysis; Step S2: issuing an early warning based on the processing and analysis results; When a fire or abnormal temperature occurs, the sound and light alarm is activated, and the central control management machine notifies the management personnel through the mobile management terminal. The management personnel check the specific data and thermal imaging data through the central control management machine to determine whether to activate the fire extinguishing device; Step S3: Start the fire extinguishing device. The fire extinguishing device automatically determines the warning position according to the processing and analysis results, starts the fire extinguisher in the cabinet or moves the mobile fire extinguisher to the abnormal point and then starts the mobile fire extinguisher to extinguish the fire.

[0016] Therefore, the present invention adopts the above-mentioned linkage intelligent safety early warning system and early warning method, which has the following beneficial effects: (1) More types of sensors are installed, and the collected data is analyzed to issue early warnings in a timely manner. At the same time, the central control management machine promptly notifies the management personnel to take corresponding measures. In addition, cabinet fire extinguishers and mobile fire extinguishers are installed to improve fire extinguishing efficiency.

[0017] (2) A cable spacing device is designed to prevent the cables from twisting together, without affecting the heat dissipation performance and reducing the incidence of fire.

[0018] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a linkage-type intelligent safety early warning system of the present invention; Figure 2 It is a schematic diagram of the structure of the trigger mechanism of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the cable spacer of the present invention; Figure 4 It is a front view of the cable spacer of the present invention; Figure 5 It is a structural schematic diagram of the mobile fire extinguisher of the present invention.

[0020] Reference numerals 1. Cabin; 2. Control cabinet; 3. Switch cabinet; 4. Detection device; 41. Point distribution temperature sensor; 42. Linear distribution temperature sensor; 43. Composite breath sensor; 44. Smoke sensor; 45. Dual light flame detector; 46. Heat flux detector; 47. Infrared thermal imaging device; 48. Partial discharge detector; 49. Space temperature and humidity sensor; 5. Fire extinguishing device; 51. Cabinet fire extinguisher; 52. Mobile fire extinguisher; 53. Connection plate; 54. Adsorption plate; 6. Central control management machine; 7. Alarm Alarm device; 71. Sound and light alarm; 72. Mobile management terminal; 8. Mobile adjustment device; 81. Track; 82. Mobile carrier; 83. Electric telescopic rod; 84. Electromagnetic adsorption component; 9. Suction pump; 10. Trigger mechanism; 101. Trigger rack; 102. Ejector spring; 103. Transmission gear; 104. Ejector rod; 11. One-way valve; 12. Cable spacer; 121. Intermediate ring; 122. Adjustment spring; 123. First pipe segment; 124. Second pipe segment; 125. Guide rod. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the invented product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1As shown, a linkage intelligent safety warning system includes a control cabinet 2 arranged in the cabin 1 and a switch cabinet 3 arranged at the bottom of the wind turbine tower, and also includes a detection device 4, a data processing device arranged in the control cabinet 2 and a fire extinguishing device 5. The detection device 4 and the fire extinguishing device 5 are both electrically connected to the data processing device, the data processing device is electrically connected to the switch cabinet 3, the switch cabinet 3 communicates with the central control management machine 6, and the central control management machine 6 is connected to the alarm device 7.

[0024] The detection device 4 includes a point distribution temperature sensor 41, a linear distribution temperature sensor 42, a composite breath sensor 43, a smoke sensor 44, a dual light flame detector 45, a heat flux detector 46, an infrared thermal imaging device 47 and a partial discharge detector 48. The partial discharge detector 48 is arranged in the control cabinet 2 and the switch cabinet 3, and the composite breath sensor 43 is arranged in the cabin 1 through the mobile adjustment device 8. It also includes a space temperature and humidity sensor 49 arranged in the cabin 1. The space temperature and humidity sensor 49 is electrically connected to the data processing device, and can monitor the temperature and humidity changes inside the cabin 1 in real time, provide accurate environmental parameters for operation and maintenance personnel, and prevent equipment failure or fire risks caused by abnormal temperature and humidity.

[0025] There are several point distributed temperature sensors 41 and they are installed on the generator, gear box, brake disc, switch cabinet 3 and control cabinet 2. The point distributed temperature sensor 41 is electrically connected to the control cabinet 2 to monitor temperature changes in real time. The data provided helps operation and maintenance personnel to grasp the equipment status in time, prevent failures or fires caused by overheating, and ensure the safe and efficient operation of the wind turbine generator set. The heat flux detector 46 is set on the generator to detect the heat flux of the generator.

[0026] The mobile adjustment device 8 includes a track 81 arranged in the cabin 1, and a mobile carrier 82 is arranged on the track 81. The composite breath sensor 43 is installed on the mobile carrier 82 through an electric telescopic rod 83 for detecting the concentration of combustion-related gases. An air suction pump 9 is arranged at the bottom of the composite breath sensor 43 to monitor the concentration of trace gases such as carbon monoxide, carbon dioxide, hydrogen sulfide and sulfur dioxide in the environment, providing an important basis for fire warning of wind turbines.

[0027] A trigger mechanism 10 is arranged in the air intake pipe of the air pump 9. Figure 2As shown, the trigger mechanism 10 includes a trigger rack 101 slidably arranged inside the air intake pipe, the trigger rack 101 is arranged in the air intake pipe through an ejection spring 102, the trigger rack 101 is meshed with a transmission gear 103 installed in the air intake pipe, the transmission gear 103 is meshed with one side of a push rod 104, and the other side of the push rod 104 is slidably arranged in the air intake pipe; the air intake pipe is arranged opposite to the one-way valve 11 on the top of the control cabinet 2, and the mobile carrier 82, the electric telescopic rod 83, the suction pump 9 and the composite breath sensor 43 are all electrically connected to the data processing device.

[0028] When the mobile carrier 82 moves to the control cabinet 2, the air inlet pipe is arranged opposite to the one-way valve 11, the trigger rack 101 is pressurized to compress the ejection spring 102, the transmission gear 103 rotates, and the ejector rod 104 is driven to eject the trigger one-way valve 11 to open, and the suction pump 9 is started to realize gas detection in the control cabinet 2.

[0029] In order to avoid the cables from piling up in one place at the saddle bridge and facilitate the heat dissipation of the cables, Figure 3-4 As shown, it also includes a cable spacing device 12, which includes an intermediate ring 121, and a plurality of cable limiting mechanisms are arranged on the circumferential side of the intermediate ring 121. The cable limiting mechanism includes a first tube segment 123 connected to the circumferential side of the intermediate ring 121 through an adjusting spring 122, and the first tube segment 123 is connected to the second tube segment 124 through bolts. The first tube segment 123 and the second tube segment 124 are arranged opposite to each other, and the first tube segment 123 and the second tube segment 124 are both provided with a guide through hole, and a guide rod 125 is arranged in the guide through hole, and the guide rod 125 is arranged on the circumferential side of the intermediate ring 121. The linear distribution temperature sensor 42 is embedded in the inner side of the intermediate ring 121, the first tube segment 123 and the second tube segment 124, and the linear distribution temperature sensor 42 is arranged on the outer side of the generator to detect the temperature of each position of the generator. At the same time, a point distribution temperature sensor 41 is also arranged on the track 81, and the point distribution temperature sensor 41 is an infrared temperature detection sensor.

[0030] The data processing device includes a data acquisition module, a data processing module, a data analysis module and a communication module. The data acquisition module, the data processing module and the communication module are all electrically connected to the data analysis module, and the data analysis module is connected to a smoke diffusion analyzer. A thermal imaging recognition module is provided in the data analysis module for obtaining temperature anomaly points and the distribution of the temperature field, and analyzing historical thermal imaging data to determine whether there is an abnormality.

[0031] When the temperature of the historical thermal imaging data continues to rise, it is determined that the heating is abnormal, and an alarm is issued through the alarm device 7. Other sensors use threshold triggering to trigger the alarm. The alarm device 7 includes an audible and visual alarm 71 and a mobile management terminal 72. When a fire or temperature abnormality occurs, the audible and visual alarm 71 is activated, and the central control management machine 6 notifies the management personnel through the mobile management terminal 72. The management personnel check the specific data and thermal imaging data through the central control management machine 6 to determine whether to activate the fire extinguishing device 5.

[0032] The fire extinguishing device 5 includes an in-cabinet fire extinguisher 51 disposed in the switch cabinet 3 or the control cabinet 2 and a mobile fire extinguisher 52 disposed on a track 81; the in-cabinet fire extinguisher 51 is mounted on the cabinet door by a clamp, and the clamp is a U-shaped clamp, which is convenient for replacing the in-cabinet fire extinguisher 51; Figure 5 As shown, a connecting plate 53 is provided on the outside of the mobile fire extinguisher 52, and the connecting plate 53 is slidably arranged on the track 81. An adsorption plate 54 is arranged on the connecting plate 53, and the adsorption plate 54 is arranged opposite to the electromagnetic adsorption member 84 of the mobile carrier 82. The fire extinguisher 51 in the cabinet, the mobile fire extinguisher 52 and the electromagnetic adsorption member 84 are all electrically connected to the data processing device. When a temperature abnormality or a fire is detected somewhere, the mobile carrier 82 adsorbs the connecting plate 53 through the electromagnetic adsorption member 84, and moves the mobile fire extinguisher 52 to the abnormal point for fire extinguishing.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A linkage intelligent safety warning system, comprising a control cabinet arranged in a cabin and a switch cabinet arranged at the bottom of a wind turbine tower, characterized in that: It also includes a detection device, a data processing device and a fire extinguishing device arranged in the control cabinet, the detection device and the fire extinguishing device are electrically connected to the data processing device, the data processing device is electrically connected to the switch cabinet, the switch cabinet communicates with the central control management machine, and the central control management machine is connected to an alarm device; The detection device includes a point distribution temperature sensor, a linear distribution temperature sensor, a composite breath sensor, a smoke sensor, a dual-light flame detector, a heat flux detector, an infrared thermal imaging device and a partial discharge detector. The partial discharge detector is arranged in the control cabinet and the switch cabinet, and the composite breath sensor is arranged in the cabin through a mobile adjustment device.

2. A linkage intelligent safety warning system according to claim 1, characterized in that: It also includes a space temperature and humidity sensor arranged in the cabin, and the space temperature and humidity sensor is electrically connected to the data processing device.

3. A linkage intelligent safety warning system according to claim 2, characterized in that: A number of point distributed temperature sensors are provided and distributedly installed on the generator, gear box, brake disc, switch cabinet and control cabinet. The point distributed temperature sensors are electrically connected to the control cabinet. The heat flux detector is provided on the generator to detect the heat flux of the generator.

4. A linkage intelligent safety warning system according to claim 3, characterized in that: The mobile adjustment device includes a track arranged in the cabin, a mobile carrier is arranged on the track, the composite breath sensor is installed on the mobile carrier through an electric telescopic rod to detect the concentration of combustion related gases, and an air suction pump is arranged at the bottom of the composite breath sensor.

5. A linkage intelligent safety warning system according to claim 4, characterized in that: A trigger mechanism is arranged in the air intake pipe of the suction pump, and the trigger mechanism includes a trigger rack slidably arranged inside the air intake pipe, the trigger rack is arranged in the air intake pipe through an ejection spring, the trigger rack is meshed with a transmission gear installed in the air intake pipe, the transmission gear is meshed with one side of the ejector rod, and the other side of the ejector rod is slidably arranged in the air intake pipe; the air intake pipe and the one-way valve on the top of the control cabinet are arranged opposite to each other; The mobile carrier, the electric telescopic rod, the air suction pump and the composite breath sensor are all electrically connected to the data processing device.

6. A linkage intelligent safety warning system according to claim 5, characterized in that: It also includes a cable spacing device, which includes an intermediate ring. A plurality of cable limiting mechanisms are arranged on the circumferential side of the intermediate ring. The cable limiting mechanism includes a first pipe segment connected to the circumferential side of the intermediate ring by an adjusting spring. The first pipe segment is connected to the second pipe segment by bolts. The first pipe segment and the second pipe segment are arranged opposite to each other, and the first pipe segment and the second pipe segment are both provided with guide through holes. Guide rods are arranged in the guide through holes. The guide rods are arranged on the circumferential side of the intermediate ring. A linear distributed temperature sensor is embedded in the inner sides of the intermediate ring, the first pipe segment and the second pipe segment, and the linear distributed temperature sensor is arranged on the outer side of the generator. A point distributed temperature sensor is also arranged on the track, and the point distributed temperature sensor is an infrared temperature detection sensor.

7. The linkage intelligent safety warning system according to claim 6 is characterized in that: The data processing device includes a data acquisition module, a data processing module, a data analysis module and a communication module. The data acquisition module, the data processing module and the communication module are all electrically connected to the data analysis module, and the data analysis module is connected to a smoke diffusion analyzer. A thermal imaging recognition module is provided in the data analysis module for obtaining temperature anomaly points and the distribution of the temperature field, and analyzing historical thermal imaging data to determine whether there is an abnormality.

8. The linkage intelligent safety warning system according to claim 7 is characterized in that: The fire extinguishing device includes an in-cabinet fire extinguisher arranged in a switch cabinet or a control cabinet and a mobile fire extinguisher arranged on a track; the in-cabinet fire extinguisher is installed on the cabinet door through a clamp, and the clamp is a U-shaped clamp; a connecting plate is arranged on the outer side of the mobile fire extinguisher, and the connecting plate is slidably arranged on the track, and an adsorption plate is arranged on the connecting plate, and the adsorption plate is arranged opposite to the electromagnetic adsorption part of the mobile carrier; the in-cabinet fire extinguisher, the mobile fire extinguisher and the electromagnetic adsorption part are all electrically connected to the data processing device.

9. The linkage intelligent safety warning system according to claim 8, characterized in that: The alarm device includes an audible and visual alarm and a mobile management terminal. When a fire or abnormal temperature occurs, the audible and visual alarm is activated. At the same time, the central control management machine notifies the management personnel through the mobile management terminal. The management personnel view the specific data and thermal imaging data through the central control management machine to determine whether to activate the fire extinguishing device.

10. The early warning method of the linkage intelligent safety early warning system according to claim 9 is characterized in that: The specific steps are as follows: Step S1: The data acquisition module collects the detection data of the detection device in real time and sends it to the data processing device for processing and analysis; Step S2: issuing an early warning based on the processing and analysis results; When a fire or abnormal temperature occurs, the sound and light alarm is activated, and the central control management machine notifies the management personnel through the mobile management terminal. The management personnel check the specific data and thermal imaging data through the central control management machine to determine whether to activate the fire extinguishing device; Step S3: Start the fire extinguishing device. The fire extinguishing device automatically determines the warning position according to the processing and analysis results, starts the fire extinguisher in the cabinet or moves the mobile fire extinguisher to the abnormal point and then starts the mobile fire extinguisher to extinguish the fire.

Images