Wind power tower drum damage detection device

Abstract

The utility model discloses a wind power tower drum damage detection device to solve the problems that an existing wind power tower drum damage detection method is low in detection efficiency and low in accuracy. The device comprises a magnetic attraction trolley, a movable detection box and a user terminal, the magnetic attraction trolley drives a sliding rail detection ring and the movable detection box to move up and down, scanning detection of the wind power tower at different angles up and down is carried out, and the movable detection box moves left and right along a sliding rail in the sliding rail detection ring. The full-coverage scanning of the wind power tower drum in the horizontal direction is realized; the user terminal controls the moving speed and the moving distance of the magnetic attraction trolley and the moving and stretching actions of the movable detection box; the device has the advantages of being high in detection efficiency, high in detection accuracy and wide in coverage, 360-degree all-dimensional scanning can be achieved, and efficient detection and accurate evaluation of weld joints, corrosion and cracks of the wind power tower drum can be achieved; the health condition of the wind power tower drum is detected in real time, the damage identification precision of the wind power tower drum is high, manual intervention is little, and the operation and maintenance cost is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind power generation, in particular to a wind power tower damage detection device. BACKGROUND

[0002] With the rapid development of wind power generation technology, the health status of the wind power tower, as an important load-bearing structure of the wind turbine generator, directly affects the safety and service life of the wind power equipment. However, the wind power tower is exposed to a complex environment for a long time and is prone to fatigue, corrosion, wind vibration and other influences, resulting in cracks, deformation or other damages, which may cause major accidents if not detected in time.

[0003] The traditional wind power tower damage detection method mainly relies on manual inspection, offline detection and single-sided scanning, which has low inspection efficiency, needs to stop operation, is time-consuming and high-cost; has insufficient accuracy, the traditional non-destructive testing methods (such as ultrasonic wave, X-ray) are limited in effect under complex stress environment; has poor real-time performance, lacks online detection means and cannot grasp the health status of the wind power tower in real time; and the existing detection equipment has limited coverage and cannot realize overall omnidirectional scanning detection of the wind power tower. Meanwhile, due to the narrow upper and wide lower structure of the wind power tower, the small diameter part of the high-altitude tower is difficult to cover comprehensively.

[0004] Therefore, it is of great significance to develop a high-efficiency, accurate, real-time and full-coverage wind power tower damage detection device. SUMMARY

[0005] To this end, the present application provides a wind power tower damage detection device to solve the problems of low inspection efficiency and low accuracy of the existing wind power tower damage detection method.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A wind power tower damage detection device, comprising: a magnetic suction trolley, a driving module and a user terminal, the magnetic suction trolley is attached to the outer surface of the wind power tower to be detected through a magnetic suction device, and the driving module is used to drive the magnetic suction trolley to move up and down along the outer surface of the wind power tower;

[0008] The outer surface of the wind power tower is provided with a slide rail detection ring, and the slide rail detection ring and the magnetic suction trolley are connected through a force transmission rod; the inner side of the slide rail detection ring is provided with a sliding rail, and a movable detection box is arranged on the sliding rail, and the movable detection box moves horizontally along the sliding rail;

[0009] The inside of the movable detection box is provided with a sensor detection module, and the sensor detection module, the movable detection box and the magnetic suction trolley are connected with the user terminal through a signal control module.

[0010] Optionally, the magnetic trolley comprises an upper magnetic trolley and a lower magnetic trolley; the outer part of the slide rail detection ring is provided with a fixed control ball;

[0011] The force transmission rod comprises an upper force transmission rod and a lower force transmission rod, the upper force transmission rod and the lower force transmission rod are connected through the fixed control ball, the outer end of the upper force transmission rod and the outer end of the lower force transmission rod are connected through a force transmission block and a spring, and the inner end of the upper force transmission rod and the inner end of the lower force transmission rod are connected with the upper magnetic trolley and the lower magnetic trolley respectively.

[0012] Optionally, the inner part of the magnetic trolley is provided with a force transmission motor and an electric energy supply module;

[0013] The magnetic device is a magnetic wheel.

[0014] Optionally, the signal control module comprises a first wireless transmission module, a second wireless transmission module and a third wireless transmission module;

[0015] The output end of the sensor detection module is connected with the input end of the user terminal through the first wireless transmission module, the first output end of the user terminal is connected with the input end of the magnetic trolley through the second wireless transmission module, and the second output end of the user terminal is connected with the input end of the movable detection box through the third wireless transmission module.

[0016] Optionally, the signal control module comprises a signal receiver, a signal transmitter and a signal transmission line.

[0017] Optionally, the movable detection box is connected with the slide rail through a telescopic control rod.

[0018] Optionally, one end of the telescopic control rod is connected with the movable detection box, the other end of the telescopic control rod is provided with an inner spherical slider, and the inner spherical slider is arranged in the slide rail and slides along the slide rail.

[0019] Optionally, the number of the movable detection boxes is four, and the four movable detection boxes are evenly distributed in a circumferential direction.

[0020] Optionally, the sensor detection module comprises an ultrasonic sensor, a laser displacement sensor, a visual camera and a radar.

[0021] Optionally, the outer part of the slide rail detection ring is provided with a solar cell panel;

[0022] The slide rail detection ring has a circular frame structure, the frame structure is divided into a plurality of frame modules, and adjacent frame modules are detachably connected.

[0023] Compared with the prior art, the present application has at least the following beneficial effects:

[0024] 1、The present application is based on further analysis and research on the problems of the prior art, and provides a wind power tower damage detection device, which is closely attached to the wind power tower to be detected by a magnetic car, and climbs up from the bottom of the wind power tower along a predetermined path and speed, the magnetic car drives the sliding rail detection ring and the movable detection box to move up and down as a whole, and scans and detects different angles of the wind power tower up and down, the movable detection box moves left and right along the sliding rail inside the sliding rail detection ring, and realizes full coverage scanning in the horizontal direction of the wind power tower; at the same time, the magnetic car and the movable detection box are both configured with a signal control module, the movement and detection data are transmitted to the ground user terminal through the signal control module, and the user terminal controls the movement speed, movement distance of the magnetic car and the movement and telescopic action of the movable detection box, and then realizes the receiving and processing of the wind power tower damage and other detection data; the device has the advantages of simple structure, convenient use, high detection efficiency and high detection accuracy, realizes efficient detection and accurate evaluation of the wind power tower weld, corrosion and cracks, can detect the health status of the wind power tower in real time, has high damage identification accuracy for the wind power tower, and has less manual intervention and low operation and maintenance cost; has strong environmental adaptability, can be flexibly adjusted according to different diameters of the wind power tower, and the detection result is more reliable; combined with the magnetic car and the movable detection box, the sliding rail realizes 360-degree omnibearing detection around the wind power tower, has the advantage of wide coverage, and cooperates with the movement of the magnetic car to realize comprehensive detection of wind power towers with different diameters;

[0025] 2、The movable detection box of the present application is connected with the sliding rail through a telescopic control rod, and the telescopic control rod enables the movable detection box to adjust the distance between the movable detection box and the wind power tower according to wind power towers with different diameters, so as to detect the parts of the high-altitude tower with smaller diameter.

[0026] 3、The outer part of the sliding rail detection ring of the present application can also be installed with a solar cell panel to provide energy for the sliding of the movable detection box. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more intuitively illustrate the prior art and the present application, the following exemplary drawings are given. It should be understood that the specific shapes, structures shown in the drawings should not be regarded as the limiting conditions for realizing the present application; for example, based on the technical concept disclosed in the present application and the exemplary drawings, those skilled in the art can easily make routine adjustments or further optimization on the increase / decrease / attribute division of certain units (components), specific shape, positional relationship, connection mode, size ratio relationship, etc.

[0028] Figure 1 The overall structure schematic diagram of the wind power tower damage detection device provided for an embodiment of the present application;

[0029] Figure 2 For Figure 1 the top view shown in the figure;

[0030] Figure 3 For Figure 1 the schematic diagram of the magnetic car driving system;

[0031] Figure 4 For Figure 1 the schematic diagram of the sensor detection module system;

[0032] Figure 5 The circuit principle block diagram provided by an embodiment of the application.

[0033] Explanation of reference signs:

[0034] 1, wind tower; 2, magnetic car; 3, force transmission rod; 301, upper force transmission rod; 302, lower force transmission rod; 4, sliding rail detection ring; 5, movable detection box; 6, spring; 7, force transmission block; 701, upper force transmission block; 702, lower force transmission block; 8, sliding rail; 9, magnetic wheel; 10, force transmission motor and power supply module; 11, signal receiver; 12, signal transmission line; 13, sensor detection module; 14, signal transmitter; 15, telescopic control rod; 16, fixed control ball; 17, user terminal. DETAILED DESCRIPTION

[0035] The application will be further described in detail below with reference to the accompanying drawings.

[0036] In the description of the application: unless otherwise specified, the meaning of "multiple" is two or more. The terms "first", "second", "third" and the like in the application are intended to distinguish the objects referred to, and do not have a special meaning in the technical connotation aspect (for example, it should not be understood as emphasizing importance or order, etc.). The expressions such as "include", "contain", "have" and the like also mean "not limited to" (certain units, components, materials, steps, etc.).

[0037] The terms such as "up", "down", "left", "right", "middle" and the like referred to in the application are generally indications of the relative position relationship for the purpose of intuitive understanding with reference to the drawings, and are not absolute limitations on the position relationship in the actual product.

[0038] The application provides a wind tower damage detection device for detecting the damage of the wind tower. The magnetic car 2 and the sensor detection module 13 are combined to comprehensively cover the wind tower 1, and the data is transmitted through the semi-automatic detection on the surface of the wind tower 1, so as to realize the efficient detection and accurate evaluation of the weld, corrosion and crack of the wind tower.

[0039] Referring to Figures 1-5 The wind power tower damage detection device provided by the application comprises a magnetic trolley 2, a driving module, a sensor detection module 13, a signal control module and a user terminal 17. The magnetic trolley 2 is attached to the outer surface of the wind power tower 1 to be detected through a magnetic attraction device. The driving module is used to drive the magnetic trolley 2 to move up and down along the outer surface of the wind power tower 1.

[0040] The outer surface of the wind power tower 1 is provided with a sliding rail detection ring 4. The sliding rail detection ring 4 and the magnetic trolley 2 are connected through a force transmission rod 3. The inner side of the sliding rail detection ring 4 is provided with a sliding rail 8. A movable detection box 5 is arranged on the sliding rail 8 and moves horizontally along the sliding rail 8.

[0041] The sensor detection module 13 is installed in the movable detection box 5. The sensor detection module 13, the movable detection box 5 and the magnetic trolley 2 are connected to the user terminal 17 through the signal control module. The user terminal 17 comprises a control system, which can be a PC or a mobile phone APP. The control system can receive information from the sensor detection module 13 and control the operation of the movable detection box 5 and the magnetic trolley 2. At the same time, the health status of the wind power tower 1 can be displayed in real time through the user terminal 17.

[0042] Preferably, the magnetic trolley 2 comprises an upper magnetic trolley 2 and a lower magnetic trolley 2. The upper magnetic trolley 2 and the lower magnetic trolley 2 each comprise four magnetic trolleys 2 and are evenly attached to the outer surface of the wind power tower 1 to be detected. The outer surface of the sliding rail detection ring 4 is provided with a fixed control ball 16. The upper magnetic trolley 2 and the lower magnetic trolley 2 are connected by the force transmission rod 3 and the fixed control ball 16. The fixed control ball 16 can also be fixed on the sliding rail detection ring 4 through an intermediate connecting piece. The connecting piece can be welded on the sliding rail detection ring 4, and the fixed control ball 16 is arranged on the connecting piece.

[0043] The force transmission rod 3 comprises an upper force transmission rod 301 and a lower force transmission rod 302, the upper force transmission rod 301 and the lower force transmission rod 302 are connected through the fixed control ball 16, and the outer end of the upper force transmission rod 301 and the outer end of the lower force transmission rod 302 are connected through the high-strength spring 6 and the force transmission block 7, and the inner end of the upper force transmission rod 301 and the inner end of the lower force transmission rod 302 are respectively connected with the upper magnetic attraction trolley 2 and the lower magnetic attraction trolley 2, the spring 6 and the force transmission block 7 transmit the pressure to the upper and lower magnetic attraction trolleys (the upper magnetic attraction trolley 2 and the lower magnetic attraction trolley 2) through the force transmission rod (the upper force transmission rod 301 and the lower force transmission rod 302), and the spring 6 provides the pressure to make the magnetic attraction trolley 2 more closely adhere to the outer wall of the wind power tower 1; the force transmission block 7 comprises an upper force transmission block 701 and a lower force transmission block 702, the upper part of the upper force transmission block 701 is connected with the bottom of the lower force transmission rod 302, the upper part of the lower force transmission block 702 is connected with the bottom of the upper force transmission rod 301, one end of the spring 6 is connected with the bottom of the upper force transmission block 701, and the other end of the spring 6 is connected with the upper part of the lower force transmission block 702.

[0044] In use, the moving speed of the upper magnetic attraction trolley 2 and the lower magnetic attraction trolley 2 is controlled, and then the angle between the upper force transmission rod 301 and the lower force transmission rod 302 is controlled, so that the magnetic attraction trolley 2 can be adsorbed and fixed to the surface of the wind power tower 1, the slide rail detection ring 4 is fixed through the fixed control ball 16, and then the slide rail detection ring 4 moves under the power action of the upper magnetic attraction trolley 2 and the lower magnetic attraction trolley 2, so that the sensor detection module 13 in the movable detection box 5 drives the wind power tower 1 to be detected.

[0045] Preferably, the magnetic attraction device is a magnetic attraction wheel 9, the magnetic attraction adsorption function of the magnetic attraction wheel 9 can make the magnetic attraction trolley 2 adapt to wind power towers 1 with different diameters, and provide power for the scanning detection system; the inside of the magnetic attraction trolley 2 is provided with a force transmission motor and an electric energy supply module 10, electric energy provided by the electric energy supply system is converted into rotary mechanical energy to drive the magnetic attraction wheel 9 to climb upward along the outer surface of the wind power tower 1, and the starting and moving speed of the magnetic attraction trolley 2 are controlled through the control system of the ground user terminal 17.

[0046] Further preferably, the signal control module is wireless transmission, specifically comprising a first wireless transmission module, a second wireless transmission module and a third wireless transmission module;

[0047] The output end of the sensor detection module 13 and the input end of the user terminal 17 are connected through the first wireless transmission module, the first output end of the user terminal 17 and the input end of the magnetic attraction trolley 2 are connected through the second wireless transmission module, and the second output end of the user terminal 17 and the input end of the movable detection box 5 are connected through the third wireless transmission module.

[0048] The wireless transmission module is arranged in the magnetic attraction trolley 2 and the sensor detection module 13, the movement control of the magnetic attraction trolley 2 and the movable detection box 5 is realized, different magnetic attraction trolleys 2 are ensured to realize synchronous climbing on the wind power tower drum 1 structure according to the set track, the movable detection box 5 is controlled to move on the sliding rail 8, so as to detect the tower drum information of different wind power tower drums 1 in diameter and height, the detection data of the wind power tower drum 1 is received through the wireless signal receiver 11, and the user terminal 17 displays the working state of the wind power tower drum 1 in real time.

[0049] In addition, transmission can also be realized through the wired transmission module, the signal control module includes a signal receiver 11, a signal transmitter 14 and a signal transmission line 12, the signal transmission line 12 is connected with the signal receiver 11 and the signal transmitter 14, the signal transmitter 14 transmits the received detection data to the user terminal 17 through the signal transmission line 12, and the signal receiver 11 is used to receive the starting and speed control signals from the ground control system, so as to control the movement of the magnetic attraction trolley 2.

[0050] Preferably, the sliding rail detection ring 4 is in the form of a circular frame structure as a whole, the frame structure is divided into a plurality of frame modules, and adjacent frame modules are detachably connected, which can be connected by plug-in or hinged connection, so as to realize rapid assembly and disassembly on site.

[0051] Further preferably, the outer frame of the sliding rail detection ring 4 is provided with a solar panel, which provides power for the movement of the whole wind power tower drum damage detection device, including the movement of the magnetic attraction trolley 2 and the sliding of the movable detection box 5.

[0052] Preferably, the number of movable detection boxes 5 is four, and the four movable detection boxes 5 are evenly distributed along the circumference.

[0053] Preferably, the movable detection box 5 is connected with the sliding rail 8 through the telescopic control rod 15.

[0054] Further preferably, one end of the telescopic control rod 15 is connected with the movable detection box 5, and the other end of the telescopic control rod 15 is provided with an internal spherical slider, which is arranged in the sliding rail 8 and slides along the sliding rail 8, so as to drive the telescopic control rod 15 and the movable detection box 5 to slide along the sliding rail 8 as a whole.

[0055] In use, the movable detection box 5 can control the extension length of the telescopic control rod 15 through the signal transmission line 12, so that the movable detection box 5 can adapt to wind power towers 1 of different diameters; at the same time, the telescopic control rod 15 is arranged on the sliding rail 8 through the spherical slider, and the internal spherical slider of the telescopic control rod 15 is controlled to slide along the sliding rail 8 through a wireless control signal, so that the movable detection box 5 can slide along the sliding rail 8 within a range of 90°, and the four movable detection boxes 5 jointly scan and detect imaging, thereby realizing 360° full-coverage scanning in the horizontal direction of the wind power tower 1.

[0056] Further preferably, the sensor detection module 13 includes ultrasonic sensors, laser displacement sensors, visual cameras, radar, and other scanning detection devices for detecting welds, cracks, and corrosion features; at the same time, the device is also equipped with a mobile path control system, so that the movable detection box 5 can move controllably along the sliding rail 8, thereby realizing full-coverage detection scanning of the wind power tower 1.

[0057] The use principle of the wind power tower damage detection device is as follows:

[0058] The magnetic car 2 is powered by the internal power device, drives the magnetic car 2 to tightly adhere to the wind power tower 1 to be detected, and climbs up from the bottom of the wind power tower 1 at a predetermined path and speed, the upper magnetic car 2 of the sliding rail detection ring 4 drives the sliding rail detection ring 4 to climb up and detect, at the same time, the movable detection box 5 moves left and right along the sliding rail 8 in the sliding rail detection ring 4, realizing full-coverage scanning in the horizontal direction of the wind power tower 1; the magnetic car 2 drives the sliding rail detection ring 4 and the movable detection box 5 to move up and down, and performs scanning detection at different angles on the wind power tower 1, at the same time, the magnetic car 2 and the movable detection box 5 are both equipped with a signal control module (which can be a wireless transmission module or a wired transmission module), and the movement and detection data are transmitted to the ground user terminal 17 through the signal control module, and the movement speed and distance of the magnetic car 2 and the movement and extension action of the movable detection box 5 are controlled by the user terminal 17 system, thereby realizing the receiving and processing of the damage and other detection data of the wind power tower 1.

[0059] At the same time, since the wind power tower 1 has a structure of being narrow at the top and wide at the bottom, when the magnetic car 2 moves from bottom to top, the telescopic control rod 15 can adjust the distance between the movable detection box 5 and the wind power tower 1 according to wind power towers 1 of different diameters, thereby detecting the parts of the tower at high altitude with smaller diameters.

[0060] In addition, the magnetic car 2 can also move in the horizontal direction around the wind power tower 1 in use, thereby driving the sliding rail detection ring 4 and the movable detection box 5 to move 360° in the horizontal direction, thereby realizing full-coverage scanning in the horizontal direction of the wind power tower.

[0061] In summary, the present application has at least the following advantages:

[0062] (1) Real-time detection: the system as a whole contacts through the user terminal (central processing system), without stopping, the health status of the wind tower can be grasped in real time;

[0063] (2) High precision diagnosis: through the data fusion of the sensor detection module (multiple sensor detection devices) and the combination of wireless transmission signals, the damage recognition precision is high;

[0064] (3) High automation level: the detection process is semi-automated, with less human intervention, reducing operation and maintenance costs;

[0065] (4) Strong environmental adaptability: it can be flexibly adjusted according to the different diameters of the wind tower, and the detection result is more reliable;

[0066] (5) Full detection range: combined with the magnetic car and the movable detection box, the 360-degree full-range detection around the wind tower is realized through the sliding rail, and the full detection of the wind tower of different sizes is realized through the movement of the magnetic car.

[0067] The technical features of the above embodiments can be combined arbitrarily (as long as the combination of the technical features does not exist contradictory), in order to make the description simple, not all possible combinations of the technical features in the above embodiments are described; these embodiments which are not explicitly written should also be considered as the scope of the present application.

Claims

1. A wind turbine tower damage detection device, characterized in that, include: The system includes a magnetic trolley, a drive module, and a user terminal. The magnetic trolley is attached to the outer surface of the wind turbine tower to be tested via a magnetic attraction device. The drive module is used to drive the magnetic trolley to move up and down along the outer surface of the wind turbine tower. The wind turbine tower is equipped with a sliding rail detection ring on its exterior, and the sliding rail detection ring is connected to the magnetic trolley via a force transmission rod; the inner side of the sliding rail detection ring is equipped with a sliding track, and a movable detection box is mounted on the sliding track, and the movable detection box moves horizontally along the sliding track. The movable detection box is equipped with a sensor detection module, and the sensor detection module, the movable detection box, and the magnetic trolley are all connected to the user terminal through a signal control module.

2. The wind turbine tower damage detection device according to claim 1, characterized in that, The magnetic trolley includes an upper magnetic trolley and a lower magnetic trolley; a fixed control ball is provided on the outside of the slide rail detection ring; The force transmission rod includes an upper force transmission rod and a lower force transmission rod. The upper force transmission rod and the lower force transmission rod are connected by the fixed control ball. The outer end of the upper force transmission rod and the outer end of the lower force transmission rod are connected to the spring through the force transmission block. The inner end of the upper force transmission rod and the inner end of the lower force transmission rod are respectively connected to the upper magnetic trolley and the lower magnetic trolley.

3. The wind turbine tower damage detection device according to claim 1, characterized in that, The magnetic trolley is equipped with a force transmission motor and a power supply module. The magnetic attraction device is a magnetic wheel.

4. The wind turbine tower damage detection device according to claim 1, 2, or 3, characterized in that, The signal control module includes a first wireless transmission module, a second wireless transmission module, and a third wireless transmission module; The output of the sensor detection module is connected to the input of the user terminal via the first wireless transmission module, the first output of the user terminal is connected to the input of the magnetic trolley via the second wireless transmission module, and the second output of the user terminal is connected to the input of the movable detection box via the third wireless transmission module.

5. The wind turbine tower damage detection device according to claim 1, 2, or 3, characterized in that, The signal control module includes a signal receiver, a signal transmitter, and a signal transmission line.

6. The wind turbine tower damage detection device according to claim 1, characterized in that, The movable detection box is connected to the sliding track via a telescopic control rod.

7. The wind turbine tower damage detection device according to claim 6, characterized in that, One end of the telescopic control rod is connected to the movable detection box, and the other end of the telescopic control rod is provided with an internal spherical slider. The internal spherical slider is located in the sliding track and slides along the sliding track.

8. The wind turbine tower damage detection device according to claim 1, characterized in that, There are four movable detection boxes, and the four movable detection boxes are evenly distributed circumferentially.

9. The wind turbine tower damage detection device according to claim 1, characterized in that, The sensor detection module includes an ultrasonic sensor, a laser displacement sensor, a vision camera, and radar.

10. The wind turbine tower damage detection device according to claim 1, characterized in that, A solar panel is installed on the outside of the slide rail detection ring; The slide rail detection ring has a circular frame structure, which is divided into multiple frame modules, and adjacent frame modules are detachably connected.

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