Offshore wind power potential detection device

Abstract

The invention belongs to the technical field of anti-corrosion potential detection, and particularly relates to an offshore wind power potential detection device which comprises a wind power foundation column and further comprises a fixing ring fixedly arranged at the lower end of the wind power foundation column, a rotating ring is rotationally arranged on the circumferential wall of the fixing ring, and a bottom detection mechanism is arranged on one side of the rotating ring; and the floating ring is arranged on the column wall of the wind power foundation column in a sliding mode, and the floating ring is located above the rotating ring. Through cooperative work of the upper, middle and lower detection mechanisms, potential data of different positions are acquired based on an electrochemical principle, and the corrosion condition is accurately mastered; meanwhile, when the water level changes, the position of the middle detection mechanism is adjusted in a self-adaptive mode, and accurate and stable detection is ensured; in addition, through circumferential rotation, a detection blind area is avoided, and the evaluation accuracy is improved; and finally, detection is linked with the cleaning period of the protective separation net, the service life of the separation net is prolonged while data accuracy is guaranteed, and it is guaranteed that the device continuously and stably operates in a complex marine environment.

Description

Technical Field

[0001] The present invention belongs to the technical field of anti-corrosion potential detection, and in particular relates to an offshore wind power potential detection device. Background Art

[0002] As a key part supporting wind turbines, the stability and durability of offshore wind power foundation structures directly affect the safe operation of the entire power generation system. However, the marine environment is extremely complex. Wind power foundation structures are subjected to long-term mechanical loads such as gravity, wind, waves, currents, ice, and earthquakes. At the same time, they are also affected by environmental factors such as frequent changes in water levels, erosion, and attachment of marine organisms. Corrosion problems are inevitable in wind power foundation structures. Once the foundation structure is damaged by corrosion, it will cause serious accidents such as tilting and collapse of wind turbines, resulting in huge economic losses and safety hazards.

[0003] At present, most of the potential detection technologies for offshore wind power foundation structures use fixed-point potential detection methods. Since the underwater part of the wind power foundation structure is affected by factors such as seawater depth and water flow velocity, there are significant differences in the corrosion conditions at different heights (upper, middle and lower parts). A single detection method is difficult to fully capture the potential change characteristics of the foundation structure in a complex marine environment, and it is impossible to accurately evaluate the cathodic protection effect of the wind power foundation. As a result, it is difficult to accurately grasp the corrosion degree and development trend of various parts of the foundation structure, and it is impossible to take targeted protective measures in time, which greatly limits the development of corrosion protection work for offshore wind power foundation structures.

[0004] To this end, an offshore wind power potential detection device is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide an offshore wind power potential detection device in order to solve the above problems.

[0006] To achieve the above-mentioned object, the present invention adopts the following technical solution: an offshore wind power potential detection device, comprising a wind power foundation column, and further comprising: A fixed ring is fixedly arranged at the lower end of the wind power foundation column, a rotating ring is rotatably provided on the circumferential wall of the fixed ring, and a bottom detection mechanism is provided on one side of the rotating ring; A floating ring is slidably arranged on the column wall of the wind power foundation column, and the floating ring is located above the rotating ring, and the side wall of the floating ring is provided with a top detection mechanism; A test column is vertically fixed between the bottom detection mechanism and the top detection mechanism, and a middle detection mechanism is provided on the column wall of the test column; A protective screen is fixedly arranged on the circumferential wall of the fixing ring, and the protective screen blocks the wind turbine foundation column and the test column; A fixed shell is fixedly arranged on the upper end of the wind power foundation column, and a rotation drive mechanism connected to the floating ring is provided inside the fixed shell; An adaptive floating adjustment mechanism, provided on the middle detection mechanism, for adjusting the position of the middle detection mechanism in the middle underwater; A water spray cleaning mechanism is provided on the side walls of the bottom detection mechanism and the top detection mechanism, and the water spray cleaning mechanism is provided toward the inner side wall of the protective screen; A PLC controller is fixedly arranged on the top of the fixed shell, and the bottom detection mechanism, the top detection mechanism, the middle detection mechanism, the rotation drive mechanism, the adaptive floating adjustment mechanism and the water spray cleaning mechanism are all electrically connected to the PLC controller.

[0007] Preferably, the bottom detection mechanism includes a lower mounting plate fixedly arranged on the side wall of the rotating ring, and a bottom potential sensor and a bottom liquid level sensor are fixedly arranged on the upper surface of the lower mounting plate.

[0008] Preferably, the top detection mechanism includes an upper mounting plate fixedly arranged on the side wall of the floating ring, and a top potential sensor and a top liquid level sensor are fixedly arranged on the lower surface of the upper mounting plate.

[0009] Preferably, the middle detection mechanism comprises a floating cylinder slidably arranged on the test column, and a middle potential sensor and a middle liquid level sensor are fixedly arranged on the top and side wall of the floating cylinder respectively.

[0010] Preferably, the rotation drive mechanism includes an electric push rod fixedly arranged on the inner wall of the fixed shell, a rack is fixedly provided at one end of the electric push rod, a gear ring is provided on the column wall of the wind turbine foundation column through a bearing for rotation, the gear ring is engaged with the rack, a telescopic rod is fixedly provided on one side of the bottom of the gear ring, and the lower end of the telescopic rod is fixedly connected to the top side of the floating ring.

[0011] Preferably, the adaptive floating adjustment mechanism includes a water pump fixedly arranged inside the floating cylinder, the side wall of the water pump is fixedly provided with a water inlet pipe extending to the outside of the floating cylinder, and the pipe wall of the water inlet pipe is provided with a first electromagnetic switch valve, the side wall of the water pump is fixedly provided with a first water outlet pipe located inside the floating cylinder, and the pipe wall of the first water outlet pipe is fixedly provided with a second electromagnetic switch valve.

[0012] Preferably, the water spray cleaning mechanism includes a second water outlet pipe fixedly arranged on the side wall of the water pump, the pipe wall of the second water outlet pipe is provided with a third electromagnetic switch valve, the end of the second water outlet pipe away from the water pump is fixed with a soft connecting pipe extending to the outside of the floating cylinder, the side wall of the bottom detection mechanism and the side wall of the top detection mechanism are fixed with the same hard water spray pipe, the end of the soft connecting pipe away from the floating cylinder is fixedly connected to the pipe wall of the hard water spray pipe, and the pipe wall of the hard water spray pipe is provided with a plurality of evenly distributed water spray holes on the side facing the protective partition net.

[0013] Preferably, two limiting blocks are symmetrically fixed on the inner side wall of the floating cylinder, and a limiting groove cooperating with the two limiting blocks is opened on the column wall of the test column.

[0014] Compared with the existing technology, the beneficial effects of the present invention are: 1. By setting up bottom detection mechanism, top detection mechanism and bottom detection mechanism, the top detection mechanism, middle detection mechanism and bottom detection mechanism are respectively located at the upper, middle and lower parts of the underwater part of the wind turbine foundation column, which can collect potential data at different positions; the upper part close to the water surface is prone to oxygen absorption corrosion, and the potential change can quickly reflect the damage of the coating or the failure of cathodic protection; the middle potential data reflects the corrosion effect of the mainstream seawater environment on the foundation column; the bottom potential data reveals the special corrosion conditions of the contact part with the seabed soil. Comprehensive analysis of the potential data of the three parts can accurately grasp the corrosion degree and development trend of different positions, and ensure the long-term stable operation of the wind turbine foundation column.

[0015] 2. Through the adaptive floating adjustment mechanism, when the water level change exceeds the preset threshold, the top liquid level sensor, middle liquid level sensor and bottom liquid level sensor will transmit the detection data to the PLC controller in real time. The PLC controller calculates the middle liquid level value based on the data of the top liquid level sensor and the bottom liquid level sensor using a linear interpolation algorithm. By controlling the water pump to extract or inject water into the float, the float moves up and down under the action of buoyancy until the detection value of the middle liquid level sensor is consistent with the calculated value, realizing adaptive adjustment of the position of the middle detection mechanism, ensuring that it is always in the middle of the seawater, and effectively improving the accuracy and stability of potential detection.

[0016] 3. Through the set rotation drive mechanism, the PLC controller can set the start cycle of the electric push rod according to actual needs through the built-in timer module. The electric push rod drives the rack to move linearly and drives the ring gear to rotate, so that the top detection mechanism, the middle detection mechanism and the bottom detection mechanism can perform 360° surrounding detection with the wind turbine foundation column as the center. This circumferential rotation detection mode can avoid the blind spot problem of traditional fixed-point detection. The potential sensors at various parts can collect full-circumferential potential data, thereby improving the accuracy and reliability of the corrosion condition assessment of the wind turbine foundation column.

[0017] 4. Through the set water spray cleaning mechanism, the PLC controller links the cleaning work of the protective screen with the circumferential detection cycle of the detection mechanism. When the circumferential detection task is started, the protective screen cleaning program is triggered synchronously. The water pump draws seawater and transports it to the hard water spray pipe through the pipeline, and sprays it onto the inner wall of the protective screen through the water spray hole. At the same time, the electric push rod drives the hard water spray pipe to rotate, realizing 360-degree clean-up of the outer surface of the protective screen. The mechanism that combines detection and cleaning not only ensures the accuracy of the detection data, but also extends the service life of the protective screen, ensuring the continuous and stable operation of the entire detection device in a complex marine environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of an offshore wind power potential detection device provided by the present invention; Figure 2 This is a three-dimensional diagram of a cutaway protective screen of an offshore wind power potential detection device provided by the present invention; Figure 3 This is a three-dimensional diagram of an offshore wind power potential detection device provided by the present invention with the protective screen removed; Figure 4 This invention provides an offshore wind power potential detection device Figure 3 A partially cutaway stereogram viewed from above; Figure 5 This is a three-dimensional diagram of an adaptive floating adjustment mechanism and a water spray cleaning mechanism of an offshore wind power potential detection device provided by the present invention; Figure 6 This is a three-dimensional diagram of the connection between a test column and a floating cylinder of an offshore wind power potential detection device provided by the present invention.

[0019] In the figure: 1 wind turbine foundation column, 2 fixed ring, 3 rotating ring, 4 bottom detection mechanism, 41 lower mounting plate, 42 bottom potential sensor, 43 bottom liquid level sensor, 5 floating ring, 6 top detection mechanism, 61 upper mounting plate, 62 top potential sensor, 63 top liquid level sensor, 7 test column, 8 middle detection mechanism, 81 floating cylinder, 82 middle potential sensor, 83 middle liquid level sensor, 9 protective screen, 10 fixed shell, 11 rotating drive mechanism, 1 11 electric push rod, 112 rack, 113 ring gear, 114 telescopic rod, 12 adaptive floating adjustment mechanism, 121 water pump, 122 water inlet pipe, 123 first electromagnetic switch valve, 124 first water outlet pipe, 125 second electromagnetic switch valve, 13 water spray cleaning mechanism, 131 second water outlet pipe, 132 third electromagnetic switch valve, 133 soft connecting pipe, 134 hard water spray pipe, 135 water spray hole, 14 PLC controller, 15 limit block, 16 limit slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] like Figures 1-6 As shown, an offshore wind power potential detection device includes a wind power foundation column 1 and further includes: A fixed ring 2 is fixedly arranged at the lower end of the wind turbine foundation column 1. A rotating ring 3 is rotatably provided on the circumferential wall of the fixed ring 2. A bottom detection mechanism 4 is provided on one side of the rotating ring 3. The bottom detection mechanism 4 includes a lower mounting plate 41 fixedly arranged on the side wall of the rotating ring 3. A bottom potential sensor 42 and a bottom liquid level sensor 43 are fixedly arranged on the upper surface of the lower mounting plate 41.

[0022] The floating ring 5 is slidably arranged on the column wall of the wind turbine foundation column 1, and the floating ring 5 is located above the rotating ring 3. The side wall of the floating ring 5 is provided with a top detection mechanism 6. The top detection mechanism 6 includes an upper mounting plate 61 fixedly arranged on the side wall of the floating ring 5, and a top potential sensor 62 and a top liquid level sensor 63 are fixedly arranged on the lower surface of the upper mounting plate 61.

[0023] The test column 7 is vertically fixed between the bottom detection mechanism 4 and the top detection mechanism 6. The column wall of the test column 7 is provided with a middle detection mechanism 8. The middle detection mechanism 8 includes a floating cylinder 81 slidably set on the test column 7. Two limit blocks 15 are symmetrically fixed on the inner wall of the floating cylinder 81. The column wall of the test column 7 is provided with a limit groove 16 that cooperates with the two limit blocks 15. The floating cylinder 81 can slide on the column wall of the test column 7. In order to avoid rotation on the column wall of the test column 7, the cooperation of the limit block 15 and the limit groove 16 plays a better limiting role. The top and side walls of the floating cylinder 81 are respectively fixed with a middle potential sensor 82 and a middle liquid level sensor 83.

[0024] The protective screen 9 is fixedly arranged on the circumferential wall of the fixed ring 2, and the protective screen 9 blocks the wind turbine foundation column 1 and the test column 7. The top of the protective screen 9 is open, and the bottom is fixedly welded to the circumferential wall of the fixed ring 2. The protective screen 9 effectively blocks algae, shellfish and other organisms in the seawater to prevent them from contacting the detection mechanism and interfering with data collection.

[0025] The fixed shell 10 is fixedly arranged on the upper end of the wind power foundation column 1. The interior of the fixed shell 10 is provided with a rotation drive mechanism 11 connected to the floating ring 5. The rotation drive mechanism 11 includes an electric push rod 111 fixedly arranged on the inner wall of the fixed shell 10. One end of the electric push rod 111 is fixedly provided with a rack 112. A gear ring 113 is provided on the column wall of the wind power foundation column 1 for rotation through a bearing. The gear ring 113 is meshed with the rack 112. A telescopic rod 114 is fixedly provided on one side of the bottom of the gear ring 113. The lower end of the telescopic rod 114 is fixedly provided with a telescopic rod 114. Fixedly connected to the top side of the floating ring 5, the electric push rod 111 starts to drive the rack 112 connected to it to move linearly. The linear movement of the rack 112 drives the ring gear 113 to rotate, so that the ring gear 113 completes the cycle of "rotating clockwise for one circle - pausing detection - rotating counterclockwise for one circle", and the floating ring 5 rigidly connected to it through the telescopic rod 114 rotates synchronously, thereby driving the top detection mechanism 6, the middle detection mechanism 8 and the bottom detection mechanism 4 to perform 360° surrounding detection with the wind turbine foundation column 1 as the center.

[0026] The adaptive floating adjustment mechanism 12 is arranged on the middle detection mechanism 8 and is used to adjust the position of the middle detection mechanism 8 in the middle underwater. The adaptive floating adjustment mechanism 12 includes a water pump 121 fixedly arranged inside the floating cylinder 81. The side wall of the water pump 121 is fixedly provided with a water inlet pipe 122 extending to the outside of the floating cylinder 81, and the pipe wall of the water inlet pipe 122 is provided with a first electromagnetic switch valve 123. The side wall of the water pump 121 is fixedly provided with a first water outlet pipe 124 located inside the floating cylinder 81, and the pipe wall of the first water outlet pipe 124 is fixedly provided with a second electromagnetic switch valve 125. Start the water pump 121 and open the first electromagnetic switch and the second electromagnetic switch valve 125 at the same time to make the water inlet pipe 122 and the first water outlet pipe 124 unobstructed. The water pump 121 can suck seawater into the interior of the floating cylinder 81 or extract the seawater inside the floating cylinder 81 to change the weight of the floating cylinder 81 itself.

[0027] The water spray cleaning mechanism 13 is arranged on the side wall of the bottom detection mechanism 4 and the top detection mechanism 6, and the water spray cleaning mechanism 13 is arranged toward the inner side wall of the protective screen 9. The water spray cleaning mechanism 13 includes a second water outlet pipe 131 fixedly arranged on the side wall of the water pump 121. The pipe wall of the second water outlet pipe 131 is provided with a third electromagnetic switch valve 132. The end of the second water outlet pipe 131 away from the water pump 121 is fixed with a soft connecting pipe 133 extending to the outside of the floating cylinder 81. The side wall of the bottom detection mechanism 4 and the side wall of the top detection mechanism 6 are fixed with the same hard water spray pipe 134. The soft connecting pipe The end of 133 away from the floating cylinder 81 is fixedly connected to the wall of the hard water spray pipe 134. A plurality of evenly distributed water spray holes 135 are opened on the wall of the hard water spray pipe 134 facing the side of the protective screen 9. The first electromagnetic switch valve 123 and the third electromagnetic switch valve 132 are opened to connect the water inlet pipe 122 with the second water outlet pipe 131 to form a water flow channel. The water pump 121 draws in external seawater and transports it to the hard water spray pipe 134 through the second water outlet pipe 131 and the soft connecting pipe 133. The evenly distributed water spray holes 135 on the hard water spray pipe 134 spray water toward the inner wall of the protective screen 9 to complete the cleaning.

[0028] The PLC controller 14 is fixedly arranged on the top of the fixed shell 10 , and the bottom detection mechanism 4 , the top detection mechanism 6 , the middle detection mechanism 8 , the rotation drive mechanism 11 , the adaptive floating adjustment mechanism 12 and the water spray cleaning mechanism 13 are all electrically connected to the PLC controller 14 .

[0029] The operating principle of the present invention is described as follows: Before installing the offshore wind power foundation column 1, the construction personnel only need to pre-install the fixed ring 2, the floating ring 5 and the fixed shell 10 on the wind power foundation column 1. The fixed ring 2 and the fixed shell 10 are fixed to the wind power foundation column 1 by bolts. At the same time, the floating ring 5 can slide freely along the column wall. The bottom detection mechanism 4, the top detection mechanism 6 and the middle detection mechanism 8 are seamlessly connected with the fixed ring 2 and the floating ring 5 through an integrated connection component. Only one installation operation is required to quickly and accurately position the detection mechanism to the wind power foundation column. 1 side, greatly simplifying the installation process. At the same time, the protective screen 9 connected to the fixing ring 2 will automatically isolate and cover the wind turbine foundation column 1 and the detection structure when the detection mechanism is installed. Finally, a large floating crane is used to slowly lift the wind turbine foundation column 1, accurately adjust the verticality and lowering angle of the foundation column, and gradually sink the lower end of the wind turbine foundation column 1 into the seawater until it is firmly installed at the predetermined position on the seabed. At the same time, the bottom detection mechanism 4 automatically and tightly adheres to the bottom surface of the seawater, ensuring that it can accurately collect the bottom environment and the bottom potential data of the wind turbine foundation column 1; During use, due to the buoyancy of seawater, the floating ring 5 floats on the surface of the seawater, and the floating cylinder 81 floats in the middle of the seawater due to its own gravity, so that the top detection mechanism 6, the middle detection mechanism 8 and the bottom detection mechanism 4 are respectively located at the upper, middle and lower parts of the underwater part of the wind turbine foundation column 1, forming a three-dimensional monitoring system. Each detection mechanism detects the potential of the underwater part of the wind turbine foundation column 1 based on the electrochemical principle through the bottom potential sensor 42, the top potential sensor 62 and the middle potential sensor 82. When the wind turbine foundation column 1 is in the seawater environment, Its metal material and seawater form an electrochemical corrosion system. Due to differences in environmental factors such as dissolved oxygen concentration, seawater flow rate, and microbial distribution at different locations, the corrosion rate is different, which in turn produces a potential difference. Each potential sensor uses a reference electrode and an auxiliary electrode to work together. The reference electrode has a stable and known potential and serves as the benchmark for potential measurement. The auxiliary electrode forms a circuit with the wind turbine foundation column 1. When the wind turbine foundation column 1 corrodes, a corrosion current is generated in the circuit, resulting in a potential difference between the working electrode (i.e., the surface of the wind turbine foundation column 1) and the reference electrode. The sensor uses high-precision The signal acquisition and processing module captures and amplifies this potential signal, converting it into intuitively readable potential data. Due to the significant differences in the seawater environment at the upper, middle, and lower locations, the upper part is close to the water surface, where the oxygen content is relatively abundant and prone to oxygen absorption corrosion. Potential changes can quickly reflect problems such as coating damage or cathodic protection failure. The middle part is located in the middle of the seawater layer, and its potential data can reflect the corrosion impact of the mainstream seawater environment on the foundation column. The bottom part is in contact with the seabed soil and is not only affected by seawater corrosion but also by electrolytes and microorganisms in the soil. The data collected by the potential sensor can effectively reveal the special corrosion conditions at the bottom of the wind turbine foundation column 1. Through comprehensive analysis of the potential data at these three locations, not only can the degree of corrosion at different locations of the underwater part of the wind turbine foundation column 1 be accurately determined, but the corrosion development trend can also be determined, ensuring the long-term stable operation of the wind turbine foundation column 1. The bottom potential sensor 42, the top potential sensor 62, and the middle potential sensor 82 transmit data in real time in the form of digital signals to the PLC controller 14. The algorithm program built into the PLC controller 14 compares and analyzes the three potential data to determine the corrosion conditions of different parts of the wind turbine foundation column 1. When the water level changes, the position of the floating ring 5 will also change accordingly. The system is equipped with a top liquid level sensor 63, a middle liquid level sensor 83 and a bottom liquid level sensor 43 at the upper, middle and lower parts of the seawater respectively. The top liquid level sensor 63 and the middle liquid level sensor 83 can monitor the specific positions of the floating ring 5 and the floating cylinder 81 in real time. When the water level change exceeds ±50cm (this threshold can be flexibly adjusted according to the actual sea environment and equipment accuracy requirements), the top liquid level sensor 63, the middle liquid level sensor 83 and the bottom liquid level sensor 43 will synchronously detect the water level values of the corresponding parts and transmit the data to the PLC controller 14 in real time. Once the seawater surface level rises or falls, the floating ring 5 will move accordingly. At this time, the PLC controller 14 uses a linear interpolation algorithm to accurately calculate the middle liquid level value of the seawater based on the detection data of the top liquid level sensor 63 and the bottom liquid level sensor 43. Subsequently, the controller quickly starts the water pump 121 and simultaneously turns on the first electromagnetic switch and the second electromagnetic switch. Valve 125 is closed, allowing the water inlet pipe 122 and the first water outlet pipe 124 to be unobstructed. If the seawater level rises, the water pump 121 will pump some of the water out of the float 81. As the amount of water in the float 81 decreases, the buoyancy of the float 81 increases, and the float 81 moves upward under the buoyancy of the water until the detection value of the middle liquid level sensor 83 is completely consistent with the middle liquid level value calculated by the PLC controller 14. At this time, the water pump 121 stops, and the first solenoid switch and the second solenoid switch valve 125 are closed. If the seawater level drops, the water pump 121 draws external seawater into the float 81, increasing the weight of the float 81 and causing the float 81 to move downward. Similarly, when the detection value of the middle liquid level sensor 83 matches the calculated value, the water pump 121 stops and the first solenoid switch and the second solenoid switch valve 125 are closed. Through this closed-loop control mechanism, the system achieves adaptive adjustment of the position of the middle detection mechanism 8, ensuring that it is always in the middle of the seawater, effectively improving the accuracy and stability of potential detection. During the detection process, the PLC controller 14 can flexibly set the start-up cycle of the electric push rod 111 according to actual needs through the built-in timer module (for example, it can be started once every 2 hours. The time interval can be dynamically adjusted according to factors such as the complexity of the marine environment and the corrosion rate of the wind power foundation column 1). When the timing reaches the preset time, the PLC controller 14 immediately sends an electrical signal to trigger the start of the electric push rod 111. After the electric push rod 111 is started, it drives the rack 112 connected to it to perform linear motion through the telescopic action. The linear movement of the rack 112 drives the gear ring 113 to rotate, so that the gear ring 113 completes "one circle clockwise rotation". The system performs a cyclic action of "-pause detection-counterclockwise rotation". During the rotation of the gear ring 113, the floating ring 5 rigidly connected to it via the telescopic rod 114 rotates synchronously, thereby driving the top detection mechanism 6, the middle detection mechanism 8 and the bottom detection mechanism 4 to perform 360° detection around the wind turbine foundation column 1 as the center. This circumferential rotation detection mode can effectively avoid the blind spot problem of traditional fixed-point detection, allowing the potential sensors at various locations to collect potential data of the entire circumference of the underwater part of the wind turbine foundation column 1. Combined with the multi-directional detection values for comprehensive analysis, the accuracy and reliability of the corrosion condition assessment of the wind turbine foundation column 1 are greatly improved; During the continuous detection process, the protective screen 9 effectively blocks algae, shellfish and other organisms in the seawater to prevent them from contacting the detection mechanism and interfering with data collection. However, after long-term use, a large number of organisms will adhere to the surface of the screen, affecting the protection effect. To solve this problem, the PLC controller 14 links the cleaning work of the protective screen 9 with the circumferential detection cycle of the detection mechanism. When the PLC controller 14 starts the electric push rod 111 to perform the circumferential detection task at a preset time (such as every 2 hours), the cleaning program of the protective screen 9 is triggered synchronously. At this time, the PLC controller 14 starts the water pump 121 and opens the first electromagnetic switch valve 123 and the third electromagnetic switch valve 132 at the same time, so that the water inlet pipe 122 is connected to the second water outlet pipe 131 to form In the water flow channel, the water pump 121 draws in external seawater and transports it to the hard water spray pipe 134 through the second water outlet pipe 131 and the soft connecting pipe 133. The evenly distributed water spray holes 135 on the hard water spray pipe 134 spray water to the inner wall of the protective partition 9, and use the impact force of the water flow to peel off the attached organisms. At the same time, the electric push rod 111 drives the hard water spray pipe 134 to rotate around the wind turbine foundation column 1 during the telescopic movement, realizing 360-degree flushing of the outer surface of the protective partition 9 without dead angles. This mechanism that combines detection and cleaning not only ensures the accuracy of the detection data, but also can extend the service life of the protective partition 9 through regular maintenance, ensuring the continuous and stable operation of the entire detection device in a complex marine environment.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An offshore wind power potential detection device, comprising a wind power foundation column (1), characterized in that: Also includes: A fixed ring (2) is fixedly arranged at the lower end of the wind power foundation column (1); a rotating ring (3) is rotatably provided on the circumferential wall of the fixed ring (2); and a bottom detection mechanism (4) is provided on one side of the rotating ring (3); A floating ring (5) is slidably arranged on the column wall of the wind power foundation column (1), and the floating ring (5) is located above the rotating ring (3). A top detection mechanism (6) is provided on the side wall of the floating ring (5); A test column (7) is vertically fixedly arranged between the bottom detection mechanism (4) and the top detection mechanism (6), and a middle detection mechanism (8) is provided on the column wall of the test column (7); A protective screen (9) is fixedly arranged on the circumferential wall of the fixing ring (2), and the protective screen (9) blocks the wind power foundation column (1) and the test column (7); A fixed shell (10) is fixedly arranged on the upper end of the wind power foundation column (1), and a rotation drive mechanism (11) connected to the floating ring (5) is provided inside the fixed shell (10); An adaptive floating adjustment mechanism (12) is provided on the middle detection mechanism (8) and is used to adjust the position of the middle detection mechanism (8) in the middle underwater; A water spray cleaning mechanism (13) is provided on the side walls of the bottom detection mechanism (4) and the top detection mechanism (6), and the water spray cleaning mechanism (13) is provided toward the inner side wall of the protective screen (9); A PLC controller (14) is fixedly arranged on the top of the fixed shell (10), and the bottom detection mechanism (4), the top detection mechanism (6), the middle detection mechanism (8), the rotation drive mechanism (11), the adaptive floating adjustment mechanism (12) and the water spray cleaning mechanism (13) are all electrically connected to the PLC controller (14).

2. An offshore wind power potential detection device according to claim 1, characterized in that: The bottom detection mechanism (4) comprises a lower mounting plate (41) fixedly arranged on the side wall of the rotating ring (3), and a bottom potential sensor (42) and a bottom liquid level sensor (43) are fixedly arranged on the upper surface of the lower mounting plate (41).

3. The offshore wind power potential detection device according to claim 1, characterized in that: The top detection mechanism (6) comprises an upper mounting plate (61) fixedly arranged on the side wall of the floating ring (5), and a top potential sensor (62) and a top liquid level sensor (63) are fixedly arranged on the lower surface of the upper mounting plate (61).

4. The offshore wind power potential detection device according to claim 1, characterized in that: The middle detection mechanism (8) comprises a floating cylinder (81) slidably arranged on the test column (7), and a middle potential sensor (82) and a middle liquid level sensor (83) are fixedly arranged on the top and side wall of the floating cylinder (81), respectively.

5. The offshore wind power potential detection device according to claim 1, characterized in that: The rotary drive mechanism (11) includes an electric push rod (111) fixedly arranged on the inner wall of the fixed shell (10), a rack (112) fixedly arranged at one end of the electric push rod (111), a gear ring (113) rotatably arranged on the column wall of the wind power foundation column (1) through a bearing, the gear ring (113) is meshed with the rack (112), a telescopic rod (114) is fixedly arranged on one side of the bottom of the gear ring (113), and the lower end of the telescopic rod (114) is fixedly connected to one side of the top of the floating ring (5).

6. The offshore wind power potential detection device according to claim 4, characterized in that: The adaptive floating adjustment mechanism (12) includes a water pump (121) fixedly arranged inside the floating cylinder (81), a water inlet pipe (122) extending to the outside of the floating cylinder (81) is fixedly provided on the side wall of the water pump (121), and a first electromagnetic switch valve (123) is provided on the pipe wall of the water inlet pipe (122), a first water outlet pipe (124) located inside the floating cylinder (81) is fixedly provided on the side wall of the water pump (121), and a second electromagnetic switch valve (125) is fixedly provided on the pipe wall of the first water outlet pipe (124).

7. The offshore wind power potential detection device according to claim 6, characterized in that: The water spray cleaning mechanism (13) includes a second water outlet pipe (131) fixedly arranged on the side wall of the water pump (121), a third electromagnetic switch valve (132) is arranged on the wall of the second water outlet pipe (131), a soft connecting pipe (133) extending to the outside of the floating cylinder (81) is fixedly arranged on one end of the second water outlet pipe (131) away from the water pump (121), and the side wall of the bottom detection mechanism (4) and the side wall of the top detection mechanism (6) are fixedly provided with the same hard water spray pipe (134), the end of the soft connecting pipe (133) away from the floating cylinder (81) is fixedly connected to the wall of the hard water spray pipe (134), and a plurality of evenly distributed water spray holes (135) are opened on the wall of the hard water spray pipe (134) facing the protective screen (9).

8. The offshore wind power potential detection device according to claim 4, characterized in that: Two limiting blocks (15) are symmetrically fixed on the inner side wall of the floating cylinder (81), and a limiting groove (16) matching the two limiting blocks (15) is opened on the column wall of the test column (7).

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