Intelligent early warning device for inclination of offshore wind power tower drum

Abstract

The invention discloses an intelligent early warning device for inclination of an offshore wind power tower drum, which comprises a tower drum which is mounted on a base and is in a standing state, and a cabin is mounted at the top of the tower drum; a laser emitting end for emitting laser is mounted on the cabin, a laser receiving end integrated body is mounted on the base, and a laser receiving end for receiving laser is mounted in the laser receiving end integrated body; and the laser transmitting end and the laser receiving end jointly form laser correlation alarm equipment. When the tower tube is bent and inclines, the laser emitted by the laser emitter deviates, and the laser receiving end receives the deviated laser and then sends out an alarm signal, so that the bending deformation and inclination of the tower tube are monitored, the offshore wind turbine is shut down and maintained in time, and the situation that the tower tube is bent to exceed the limit to be broken and toppled is avoided.

Description

Technical Field

[0001] This invention relates to an intelligent early warning device for the tilt of offshore wind turbine towers, belonging to the field of wind power early warning technology. Background Technology

[0002] Offshore wind turbine towers stand on the sea surface via foundations, with a nacelle supporting the top and blades mounted on the nacelle. As the blades rotate to generate electricity while resisting wind, they also transmit the force of the crosswinds to the tower, causing metal fatigue. Simultaneously, being on the sea surface, the tower is exposed to waves and corrosion from seawater salt, among other factors, leading to bending. If the tower exceeds its bending limit, it may break and collapse. Therefore, monitoring the bending deformation and tilting of the tower is necessary to ensure the safe operation of offshore wind power equipment. Summary of the Invention

[0003] To address the aforementioned technical problems, this invention provides an intelligent early warning device for the tilt of offshore wind turbine towers.

[0004] The present invention is achieved through the following technical solutions.

[0005] This invention provides a smart early warning device for the tilt of offshore wind turbine towers, comprising: The tower is mounted on the base in an upright position, and the engine room is installed on the top of the tower. The cabin is equipped with a laser transmitter that emits laser light, and the base is equipped with a laser receiver assembly, which contains a laser receiver for receiving laser light. The laser transmitter and the laser receiver together form a laser beam alarm device.

[0006] It also includes a cleaning component that automatically cleans the top surface of the laser receiver assembly by relying on sea breezes and waves.

[0007] The cleaning component includes a toothed ring rotatable outside the laser receiver assembly, with a scraper fixed on the toothed ring for cleaning the top surface of the laser receiver assembly.

[0008] The scraper has a support frame, with both ends of the support frame fixed to the toothed ring and spaced apart on the top surface of the laser receiver assembly; magnets are fixed at both ends of the support frame.

[0009] The support frame has a through hole in the middle for the scraper to be installed through from top to bottom. The scraper is fixedly connected to the magnetic metal plate. The magnetic attraction force of the magnet attracts the magnetic metal plate downward, so that the scraper contacts the top surface of the laser receiver integrated body.

[0010] The cleaning assembly further includes a second gear that meshes with the external teeth of the gear ring. The second gear is rotatably mounted on the base. There are multiple second gears that mesh with each other. The second gear meshes with a first gear, which is rotatably mounted on the base. The base at the first gear is fixed with a fixing frame, and a shaft is rotatably mounted through the fixing frame. The shaft is keyed to the shaft of the first gear. A blade is mounted on the top of the shaft.

[0011] A baffle is rotatably mounted on the top of the shaft, and the baffle has an air guide plate.

[0012] A motor is mounted on the base below the first gear, and the output shaft of the motor is connected to the first gear for transmission.

[0013] The beneficial effects of this invention are as follows: when the tower bends and tilts, the laser emitted by the laser emitter deviates, and the laser receiver sends an alarm signal after receiving the deviated laser, thereby enabling the monitoring of the tower's bending deformation and tilt, allowing for timely shutdown and maintenance of the offshore wind turbine, and preventing the tower from bending beyond its limit and breaking or tilting. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the cleaning component of the present invention on the base; Figure 3 This is a schematic diagram of the structure of the toothed ring of the present invention rotatable on the laser receiver integrated body; Figure 4 This is a schematic diagram of the connection and distribution of the baffle, first gear, shaft, and blade of the present invention; In the diagram: 1-Base; 12-Tower; 13-Nacelle; 14-Laser emitter; 15-Laser receiver assembly; 2-Gear ring; 21-Scraper; 22-Fixing frame; 23-First gear; 24-Shaft; 25-Blade; 26-Baffle; 27-Second gear; 3-Guide plate; 4-Motor; 5-Support frame; 6-Magnetic metal plate; 61-Magnet. Detailed Implementation

[0015] The technical solution of the present invention is further described below, but the scope of protection is not limited to what is described.

[0016] like Figures 1 to 4 As shown.

[0017] This application discloses a smart early warning device for the tilt of offshore wind turbine towers, comprising: The base 1, which serves as the installation foundation, can be either fixed or floating. A tower 12 is mounted on the base 1, and a nacelle 13 is mounted on top of the tower 12. Blades are rotatably mounted on the nacelle 13 for rotating and generating electricity.

[0018] The cabin 13 is equipped with a laser transmitter 14 that emits laser light, and the base 1 is equipped with a laser receiver assembly 15, which contains a laser receiver for receiving laser light. The laser transmitter 14 and the laser receiver together form a laser beam alarm device. When the laser emitted by the laser transmitter 14 deviates from the laser receiver, an alarm signal will be issued.

[0019] When the tower 12 bends and tilts, the laser emitted by the laser emitter 14 deviates. After receiving the deviated laser, the laser receiver sends an alarm signal, thereby monitoring the bending deformation and tilting of the tower and promptly shutting down the offshore wind turbine for maintenance to prevent the tower from bending beyond its limit and breaking or tilting.

[0020] It also includes a cleaning component that automatically cleans the top surface of the laser receiver assembly 15 by relying on sea breeze and waves. The cleaning component includes a toothed ring 2 that can rotate outside the laser receiver assembly 15, and a scraper 21 for scraping and cleaning the top surface of the laser receiver assembly 15 is fixed on the toothed ring 2; a support frame 5 is on the scraper 21, and the two ends of the support frame 5 are fixed to the toothed ring 2 and spaced apart on the top surface of the laser receiver assembly 15; magnets 61 are fixed at both ends of the support frame 5, and the magnets 61 generate a magnetic attraction force to pull away the top surface of the laser receiver assembly 15.

[0021] The support frame 5 has a through hole in the middle for the scraper 21 to be installed through from top to bottom. The scraper 21 is fixedly connected to the magnetic metal plate 6. The magnetic attraction of the magnet 61 attracts the magnetic metal plate 6 downward, so that the scraper 21 contacts the top surface of the laser receiver integrated body 15.

[0022] The cleaning assembly further includes a second gear 27 that meshes with the external teeth of the gear ring 2. The second gear 27 is rotatably mounted on the base 1, and there are multiple second gears 27 meshing with each other. The second gear 27 meshes with a first gear 23, which is rotatably mounted on the base 1. A fixing frame 22 is fixed to the base 1 at the location of the first gear 23. A shaft 24 is rotatably mounted through the fixing frame 22, and the shaft 24 is keyed to the first gear 23. A blade 25 is mounted on the top of the shaft 24. When the wind or waves drive the blade 25, it drives the first gear 23 to rotate. The first gear 23 drives the gear ring 2 to rotate through the second gear 27. The gear ring 2 drives the scraper 21 to rotate, automatically scraping and cleaning debris from the top surface of the laser receiver integrated unit 15, reducing the obstruction of the top surface of the laser receiver integrated unit 15 by water and other debris.

[0023] A baffle 26 is rotatably mounted on the top of the shaft 24. The baffle 26 covers half of the blade 25. The baffle 26 has a guide plate 3. The guide plate 3 will be driven by force to rotate the baffle 26, thereby changing the angle of the baffle 26 so that multiple blades 25 can rotate in the wind.

[0024] A motor 4 is installed on the base 1 below the first gear 23. When there is no strong wind or large waves, the output shaft of the motor 4 can be driven to rotate the first gear 23. When the motor 4 is powered on, it can drive the first gear 23 to rotate. Due to the damping effect of the magnetic coil of the motor 4, a small wind or small waves cannot drive the first gear 23. When there is a strong wind or large waves, the power is cut off to the laser transmitter 14 and the laser receiver. When cleaning the top surface of the laser receiver integrated body 15, no interference monitoring alarm signal will be issued.

Claims

1. A smart early warning device for the tilt of offshore wind turbine towers, characterized in that, include: The tower (12) is mounted on the base (1) in an upright position, and the engine compartment (13) is installed on the top of the tower (12); The cabin (13) is equipped with a laser transmitter (14) that emits laser light, and the base (1) is equipped with a laser receiver assembly (15), which contains a laser receiver for receiving laser light. The laser transmitter (14) and the laser receiver together form a laser beam alarm device.

2. The intelligent early warning device for the tilt of offshore wind turbine towers as described in claim 1, characterized in that: It also includes a cleaning component that automatically cleans the top surface of the laser receiver assembly (15) by relying on sea breeze and waves.

3. The intelligent early warning device for the tilt of offshore wind turbine towers as described in claim 2, characterized in that: The cleaning component includes a toothed ring (2) rotatable outside the laser receiver assembly (15), and a scraper (21) fixed on the toothed ring (2) for scraping and cleaning the top surface of the laser receiver assembly (15).

4. The intelligent early warning device for the tilt of offshore wind turbine towers as described in claim 3, characterized in that: The scraper (21) has a support frame (5), with both ends of the support frame (5) fixed on the toothed ring (2) and spaced apart on the top surface of the laser receiver integrated body (15); magnets (61) are fixed at both ends of the support frame (5).

5. The intelligent early warning device for the tilt of offshore wind turbine towers as described in claim 4, characterized in that: The support frame (5) has a through hole in the middle for the scraper (21) to be installed through from top to bottom. The scraper (21) is fixedly connected to the magnetic metal plate (6). The magnetic attraction of the magnet (61) attracts the magnetic metal plate (6) downward, so that the scraper (21) contacts the top surface of the laser receiver integrated body (15).

6. The intelligent early warning device for the tilt of offshore wind turbine towers as described in claim 3, characterized in that: The cleaning assembly further includes a second gear (27) meshing with the external teeth of the gear ring (2). The second gear (27) is rotatably mounted on the base (1). There are multiple second gears (27) meshing with each other. The second gear (27) meshes with a first gear (23). The first gear (23) is rotatably mounted on the base (1). The base (1) at the first gear (23) is fixed with a fixing frame (22). A shaft (24) is rotatably mounted through the fixing frame (22). The shaft (24) is keyed to the shaft of the first gear (23). A blade (25) is mounted on the top of the shaft (24).

7. The intelligent early warning device for the tilt of offshore wind turbine towers as described in claim 6, characterized in that: A baffle (26) is rotatably mounted on the top of the shaft (24), and the baffle (26) has an air guide plate (3).

8. The intelligent early warning device for the tilt of offshore wind turbine towers as described in claim 6, characterized in that: A motor (4) is installed on the base (1) below the first gear (23). The output shaft of the rotating motor (4) is connected to the first gear (23) for transmission.

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