Offshore wind power equipment and offshore wind power foundation structure thereof

Abstract

The utility model discloses offshore wind power equipment and an offshore wind power foundation structure thereof, the offshore wind power foundation structure comprises a suction barrel, a jacket and a tower, and the suction barrel is connected with the tower through the jacket; the tower comprises a flange base and a plurality of tower sections mounted on the flange base, and the adjacent tower sections are connected together through flanges; each tower section is provided with a double-shaft inclination sensor and a two-way acceleration sensor, and the double-shaft inclination sensors and the two-way acceleration sensors are arranged at intervals; the tower section closest to the flange base is provided with a dynamic strain sensor; and a plurality of first steel plate strain sensors are arranged on the jacket. By arranging the monitoring sensor device on the offshore wind power foundation structure, the offshore wind power foundation structure can be subjected to structure monitoring, if abnormal data is monitored, the offshore wind power foundation structure can be overhauled in time, the service life of the offshore wind power foundation structure can be guaranteed, and the service life of the offshore wind power foundation structure is prolonged. And therefore, the operation safety of the fan on the offshore wind power foundation structure can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of installation foundations, and in particular to an offshore wind power device and an offshore wind power foundation structure thereof. Background Art

[0002] Offshore wind power equipment generally includes an offshore wind power foundation and offshore wind turbines installed on the offshore wind power foundation. The marine environment is quite different from the land environment. Ocean wind currents and water currents can easily impact the offshore wind power foundation. If the offshore wind power foundation shakes frequently, the offshore wind power foundation structure may become fatigued and easily damaged, which will affect the service life of the offshore wind power foundation. Therefore, it is urgent to monitor the offshore wind power foundation. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an offshore wind power equipment and an offshore wind power foundation structure thereof.

[0004] In a first aspect, the utility model provides an offshore wind power foundation structure, including a suction cylinder, a conductor frame, and a tower frame, wherein the number of the suction cylinders is multiple, the multiple suction cylinders are arranged at intervals, and the suction cylinders are connected to the tower frame through the conductor frame; the tower frame includes a flange base, and a plurality of tower frame sections installed on the flange base and adjacent tower frame sections are connected together through flanges;

[0005] Each of the tower sections is provided with at least one dual-axis tilt sensor and at least one dual-axis acceleration sensor, wherein the dual-axis tilt sensor and the dual-axis acceleration sensor are spaced apart from each other;

[0006] A plurality of dynamic strain sensors are arranged on the outer peripheral surface of the tower section closest to the flange base, and the plurality of dynamic strain sensors are arranged evenly spaced;

[0007] The conductor frame is provided with a plurality of first steel plate strain sensors.

[0008] In some embodiments, a plurality of second steel plate strain sensors are provided on the suction cylinder.

[0009] In some embodiments, a plurality of third steel plate strain sensors are disposed on the tower.

[0010] In some embodiments, a plurality of reference electrodes are disposed on the suction cylinder and / or the catheter rack.

[0011] In some embodiments, a protective cover is provided on the periphery of the reference electrode.

[0012] In some embodiments, the suction cylinder, the catheter frame and / or the tower frame are provided with a low-frequency vibration displacement sensor.

[0013] In some embodiments, the suction cylinder, the guide tube frame and the tower frame are made of Q235B material.

[0014] In some embodiments, a temperature sensor is provided on the suction cylinder, the catheter rack and / or the tower.

[0015] In some embodiments, a humidity sensor is provided on the suction cylinder, the conduit rack and / or the tower.

[0016] In a second aspect, the utility model provides an offshore wind power equipment, comprising the offshore wind power foundation structure described in any one of the above embodiments, and an offshore wind turbine installed on the offshore wind power foundation structure.

[0017] The implementation of the utility model has the following beneficial effects: by arranging dual-axis tilt sensors, bidirectional acceleration sensors, dynamic strain sensors, steel plate strain sensors and other devices on the offshore wind power foundation structure, the structure of the offshore wind power foundation structure can be monitored. If abnormal data is detected, the offshore wind power foundation structure can be inspected and repaired in time, which can ensure the service life of the offshore wind power foundation structure and further ensure the safe operation of the wind turbine on the offshore wind power foundation structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show certain embodiments of the utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0019] Figure 1 It is a structural schematic diagram of an offshore wind power foundation structure in some embodiments of the utility model;

[0020] Figure 2 yes Figure 1 Detailed view of offshore wind power infrastructure in the

[0021] Figure 3 It is a layout diagram of the suction cylinder in some embodiments of the utility model;

[0022] Figure 4 It is a schematic diagram of the installation of the reference electrode in some embodiments of the utility model. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in a specific direction, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0024] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0025] In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details that hinder the description of the present invention.

[0026] In some embodiments, the utility model discloses an offshore wind power equipment for generating offshore electricity. The offshore wind power equipment may include an offshore wind power foundation structure and an offshore wind turbine (not shown) installed on the offshore wind power foundation structure.

[0027] See also Figures 1 to 4 The utility model shows an offshore wind power foundation structure, which can be used as an installation structure for offshore wind turbines.

[0028] like Figure 1 and Figure 2 As shown, the offshore wind power infrastructure may include a suction cylinder 10 , a conductor pipe 20 , and a tower 30 .

[0029] The suction cylinder 10 is a generally cylindrical structure, and the number of the suction cylinder 10 can be multiple, and the multiple suction cylinders 10 are arranged at intervals. Figure 3 As shown, the number of the suction cylinders 10 can be three, and the line connecting the centers of the three suction cylinders 10 arranged at intervals is roughly an equilateral triangle, thereby improving the structural stability of the offshore wind power foundation structure. Of course, the number of the suction cylinders 10 can also be four, five or any other number, which is not specifically limited here.

[0030] The suction cylinder 10 is connected to the tower 30 through the pipe frame 20. Specifically, the lower end of the pipe frame 20 is connected to the upper end of the suction cylinder 10, and the upper end of the pipe frame 20 is connected to the lower end of the tower 30. The projection of the tower 30 can be located at the center of the regular triangle (combined with Figure 3 ). Adjacent conductor frames 20 can be connected with a plurality of connecting pipes, which can improve the structural rigidity of the entire offshore wind power foundation structure, and the connecting pipes can be used for routing cables.

[0031] The tower 30 is mainly used for installing an offshore wind turbine thereon, and the tower 30 may include a flange base 31, a plurality of tower sections 32 installed on the flange base 31, and adjacent tower sections 32 are connected together through flanges 33. The number of tower sections 32 may be five, and the outer diameter of the tower section 32 may decrease from the side close to the flange base 31 to the side away from the flange base 31. The height dimension of each tower section 32 may be the same or different.

[0032] Each tower section 32 is provided with at least one dual-axis tilt sensor 40 and at least one bidirectional acceleration sensor 50. The dual-axis tilt sensor 40 and the bidirectional acceleration sensor 50 are arranged at intervals. Each dual-axis tilt sensor 40 can be installed on each tower section 32 at a position approximately 300 mm away from the lower surface of the flange 33 opposite thereto.

[0033] The dual-axis tilt sensor 40 has a measuring range of ±30° and an accuracy of ±0.001°, and can be used for tilt monitoring. Preferably, the dual-axis tilt sensor 40 can be a QYG01-1 dual-axis tilt sensor.

[0034] The bidirectional acceleration sensor 50 has a measuring range of ±2.0g, an accuracy of 0.1% FS°, and a sensitivity of 2.0 not less than V / g. The bidirectional acceleration sensor 50 can be used for vibration monitoring. Preferably, the bidirectional acceleration sensor 50 can be a QZ2013-Y bidirectional acceleration sensor.

[0035] Of course, the tower 10 and / or the jacket 20 may also be provided with a dual-axis tilt sensor 40 and / or a bidirectional acceleration sensor 50 .

[0036] Further, a plurality of dynamic strain sensors 60 are provided on the outer circumferential surface of the tower section 32 closest to the flange base 31, and the plurality of dynamic strain sensors 60 are evenly spaced, that is, a plurality of dynamic strain sensors 60 may be provided on the lowermost tower section 32, and the plurality of dynamic strain sensors 60 may be evenly spaced along the circumferential direction. The number of the dynamic strain sensors 60 is 8 to 10, and may be 8, 9, 10, and preferably 10. Of course, dynamic strain sensors 60 may also be provided on tower sections 32 at other locations, and no specific limitation is made here.

[0037] The dynamic strain sensor 60 can be used for stress strain monitoring. Preferably, the dynamic strain sensor 60 can be a QZDB-A dynamic strain sensor.

[0038] The pipe frame 20 is provided with a plurality of first steel plate strain sensors 70, which can be extended and arranged at intervals along the length direction and / or width direction of the pipe frame 20. The first steel plate strain sensors 70 can be used for strain measurement.

[0039] In some embodiments, a plurality of second steel plate strain sensors 80 are disposed on the suction cylinder 10 . The second steel plate strain sensors 80 may be disposed on the circumferential surface of the suction cylinder 10 , or the second steel plate strain sensors 80 may be disposed on the upper surface of the suction cylinder 10 .

[0040] In some embodiments, a plurality of third steel plate strain sensors 90 are provided on the tower 30. The third steel plate strain sensors 90 may be arranged on the flange base 31, on the outer peripheral surface of the tower section 32, or on the upper surface or lower surface of the flange 33, so as to monitor the tower 30.

[0041] like Figure 4 As shown, in some embodiments, the suction cylinder 10 and / or the catheter rack 20 are provided with a plurality of reference electrodes 100, and a protective cover 110 is provided on the periphery of the reference electrode 100. Preferably, the catheter rack 20 is provided with a plurality of reference electrodes 100, and the reference electrode 100 can be installed on the outer wall surface of the catheter rack 20 through a bracket, and the protective cover 110 is sleeved on the periphery of the reference electrode 100. The protective cover 110 can be provided with a plurality of through holes, and one of the through holes can be used for routing cables connected to the reference electrode 100. The reference electrode 100 can be used for corrosion potential monitoring, and the reference electrode 100 can be selected from a long-lasting high-purity zinc reference electrode suitable for seawater environment, or a silver chloride reference electrode.

[0042] For example Figure 1 and Figure 2 As shown, in some embodiments, the suction cylinder 10, the pipe frame 20 and / or the tower 30 are provided with a low-frequency vibration displacement sensor 120. For example, the uppermost tower section 32 of the tower 30 may be provided with at least one low-frequency vibration displacement sensor 120, which can perform dynamic displacement measurement with a range of ±2000 mm and a resolution of 1.6×10 -3 Preferably, the low-frequency vibration displacement sensor 120 may be a QZ2014 low-frequency vibration displacement sensor.

[0043] In some embodiments, the suction tube 10 , the pipe frame 20 and the tower 30 are made of Q235B material.

[0044] In some embodiments, the suction cylinder 10, the pipe rack 20 and / or the tower 30 are provided with a temperature sensor for monitoring the ambient temperature. Preferably, the temperature sensor can be provided on the pipe rack 20 and / or the tower 30, and the location and number of the temperature sensor can be selected according to actual needs, and are not specifically limited here.

[0045] In some embodiments, a humidity sensor is provided on the suction cylinder 10, the pipe frame 20 and / or the tower 30. Preferably, the humidity sensor can be provided on the pipe frame 20 and / or the tower 30, and the location and number of the humidity sensor can be selected according to actual needs, and are not specifically limited here.

[0046] In some embodiments, the dual-axis tilt sensor 40, the bidirectional acceleration sensor 50, the dynamic strain sensor 60, the first steel plate strain sensor 70, the second steel plate strain sensor 80, the third steel plate strain sensor 90, the reference electrode 100, the low-frequency vibration displacement sensor 120, the temperature sensor, and the humidity sensor can be connected to the power cabinet and the monitoring cabinet through cables, can be powered by the power cabinet, and the monitored data can be transmitted to the monitoring cabinet.

[0047] In some embodiments, the dual-axis tilt sensor 40, the bidirectional acceleration sensor 50, the dynamic strain sensor 60, the first steel plate strain sensor 70, the second steel plate strain sensor 80, the third steel plate strain sensor 90, the reference electrode 100, the low-frequency vibration displacement sensor 120, the temperature sensor, and the humidity sensor can be monitored in real time or at intervals, for example, at intervals of ten minutes or twenty minutes.

[0048] It can be understood that the offshore wind power foundation structure includes a suction cylinder 10, a conductor pipe frame 20, and a tower 30. By arranging a dual-axis tilt sensor 40, a bidirectional acceleration sensor 50, a dynamic strain sensor 60, a steel plate strain sensor and other devices on the offshore wind power foundation structure, the offshore wind power foundation structure can be structurally monitored. If abnormal data is monitored, for example, abnormal data at a certain position of the tower 30 (such as severe deformation) is monitored, the offshore wind power foundation structure can be inspected and repaired in time, which can ensure the service life of the offshore wind power foundation structure, and further ensure the safe operation of the wind turbine on the offshore wind power foundation structure.

[0049] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the utility model. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the utility model, the above-mentioned technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. An offshore wind power foundation structure, characterized in that: The invention comprises a suction cylinder (10), a pipe frame (20), and a tower frame (30), wherein the number of the suction cylinders (10) is multiple, the multiple suction cylinders (10) are arranged at intervals, and the suction cylinders (10) are connected to the tower frame (30) through the pipe frame (20); the tower frame (30) comprises a flange base (31), a plurality of tower frame sections (32) installed on the flange base (31), and adjacent tower frame sections (32) are connected together through flanges (33); Each of the tower sections (32) is provided with at least one dual-axis tilt sensor (40) and at least one dual-axis acceleration sensor (50), wherein the dual-axis tilt sensor (40) and the dual-axis acceleration sensor (50) are arranged at intervals; A plurality of dynamic strain sensors (60) are provided on the outer peripheral surface of the tower section (32) closest to the flange base (31), and the plurality of dynamic strain sensors (60) are evenly spaced. A plurality of first steel plate strain sensors (70) are provided on the pipe frame (20).

2. The offshore wind power foundation structure according to claim 1, characterized in that: A plurality of second steel plate strain sensors (80) are provided on the suction cylinder (10).

3. The offshore wind power foundation structure according to claim 1, characterized in that: A plurality of third steel plate strain sensors (90) are arranged on the tower (30).

4. The offshore wind power foundation structure according to claim 1, characterized in that: A plurality of reference electrodes (100) are provided on the suction cylinder (10) and / or the catheter rack (20).

5. The offshore wind power foundation structure according to claim 4, characterized in that: A protective cover (110) is provided on the outer periphery of the reference electrode (100).

6. The offshore wind power foundation structure according to claim 1, characterized in that: The suction cylinder (10), the pipe frame (20) and / or the tower frame (30) are provided with a low-frequency vibration displacement sensor (120).

7. The offshore wind power foundation structure according to claim 1, characterized in that: The suction cylinder (10), the pipe frame (20) and the tower frame (30) are made of Q235B material.

8. The offshore wind power foundation structure according to any one of claims 1 to 7, characterized in that: The suction cylinder (10), the pipe frame (20) and / or the tower frame (30) are provided with a temperature sensor.

9. The offshore wind power foundation structure according to any one of claims 1 to 7, characterized in that: The suction cylinder (10), the pipe frame (20) and / or the tower frame (30) are provided with a humidity sensor.

10. An offshore wind power equipment, characterized in that: It comprises the offshore wind power foundation structure as claimed in any one of claims 1 to 9, and an offshore wind turbine installed on the offshore wind power foundation structure.

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