Wind turbine generator tower monitoring device

Abstract

The utility model specifically discloses a wind turbine generator tower drum monitoring device, the wind turbine generator tower drum monitoring device comprises a tower body, a first monitoring assembly and a second monitoring assembly, the tower body comprises a first tower body and a second tower body, the first tower body is located above the second tower body, the first tower body and the second tower body are connected through a connecting flange, the first monitoring assembly is arranged in the tower body, and the second monitoring assembly is arranged in the tower body. The first monitoring assembly is used for monitoring the gradient of the tower body, the second monitoring assembly is arranged in the tower body and used for monitoring the stress and vibration of the tower body, and the second monitoring assembly and the first monitoring assembly are arranged in the tower body in a spaced mode. The monitoring device for the tower drum of the wind turbine generator can improve the accuracy of judging the safety of the tower drum.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind turbine generator sets, and in particular relates to a tower monitoring device for a wind turbine generator set. Background Art

[0002] The tower of a wind turbine is a load-bearing component in a wind turbine. It mainly supports the wind turbine and absorbs the vibration of the turbine. The tower is subjected to complex and variable loads such as thrust, bending moment and torque loads, which causes the tower to sway and twist to a certain extent during the operation of the wind turbine.

[0003] The tower monitoring device in the related art only uses the tilt sensor installed on the tower to monitor the tilt angle of the tower, and has relatively few monitoring parameters, which affects the precision and accuracy of the comprehensive judgment on the safety of the tower. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the embodiment of the utility model provides a wind turbine tower monitoring device, which can improve the accuracy of tower safety judgment.

[0005] The wind turbine tower monitoring device of the embodiment of the utility model includes: a tower body, the tower body includes a first tower body and a second tower body, the first tower body is located above the second tower body and the two are connected by a connecting flange; a first monitoring component, the first monitoring component is arranged in the tower body, and the first monitoring component is used to monitor the inclination of the tower body; a second monitoring component, the second monitoring component is arranged in the tower body, and the second monitoring component is used to monitor the stress and vibration of the tower body, and the second monitoring component and the first monitoring component are arranged at intervals in the tower body.

[0006] The wind turbine tower monitoring device of the embodiment of the utility model can improve the accuracy of tower safety judgment.

[0007] In some embodiments, the first monitoring component includes a first inclination sensor and a second inclination sensor, the first inclination sensor is disposed in the first tower body to monitor the inclination of the first tower body, and the second inclination sensor is disposed in the second tower body to monitor the inclination of the second tower body.

[0008] In some embodiments, the first monitoring assembly further includes a first fixing plate and a second fixing plate, the first fixing plate being disposed in the first tower body, the first inclination sensor being mounted on the first fixing plate, the second fixing plate being disposed in the second tower body, and the second inclination sensor being mounted on the second fixing plate.

[0009] In some embodiments, the second monitoring component includes a first stress sensor, a first acceleration sensor, a second stress sensor, and a second acceleration sensor, the first stress sensor and the first acceleration sensor are installed in the first tower body, and the second stress sensor and the second acceleration sensor are installed in the second tower body.

[0010] In some embodiments, the wind turbine tower monitoring device further includes a processor, the processor is installed in the second tower body, and the first monitoring component and the second monitoring component are both connected to the processor.

[0011] In some embodiments, the wind turbine tower monitoring device further includes a third monitoring component, wherein the third monitoring component is suitable for being connected to the base of the second tower body, and the third monitoring component is used to monitor the inclination, stress and vibration of the base.

[0012] In some embodiments, the third monitoring component includes a third inclination sensor, a third stress sensor and a third acceleration sensor, and the third inclination sensor, the third stress sensor and the third acceleration sensor are respectively mounted on the base.

[0013] In some embodiments, the third monitoring component further includes an image collector, which is installed on the base and is used to collect images of the base.

[0014] In some embodiments, the wind turbine tower monitoring device also includes a calibration component, which includes a plurality of fourth inclination sensors, and the plurality of fourth inclination sensors are arranged at intervals along the circumference of the tower body, and the plurality of fourth inclination sensors are respectively installed at the flange between the first tower body and the second tower body.

[0015] In some embodiments, the wind turbine tower monitoring device further includes a server and a remote terminal, wherein the server is connected to the remote terminal, and the server is connected to the processor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a wind turbine tower monitoring device according to an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the structure of the calibration component of an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the third monitoring component of the embodiment of the utility model.

[0019] Reference numerals:

[0020] Tower body 100, first monitoring assembly 200, second monitoring assembly 300, calibration assembly 400, third monitoring assembly 500,

[0021] The first tower body 1, the second tower body 2, the first inclination sensor 3, the second inclination sensor 4, the first fixing plate 5, the second fixing plate 6, the first stress sensor 7, the first acceleration sensor 8, the second stress sensor 9, the second acceleration sensor 10, the processor 11, the third inclination sensor 12, the third stress sensor 13, the third acceleration sensor 14, the image collector 15, the server 16, the remote terminal 17, the fourth acceleration sensor 18, the flange 19, the fourth inclination sensor 20, the base 21, and the annular mounting platform 22. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but cannot be understood as limiting the present invention.

[0023] The wind turbine tower monitoring device of the embodiment of the utility model comprises a tower body 100, a first monitoring component 200 and a second monitoring component 300. The tower body 100 comprises a first tower body 100 and a second tower body 100. The first tower body 100 is located above the second tower body 100 and the two are connected by a connecting flange 19. The first monitoring component 200 is arranged in the tower body 100, and the first monitoring component 200 is used to monitor the inclination of the tower body 100. The second monitoring component 300 is arranged in the tower body 100, and the second monitoring component 300 is used to monitor the stress and vibration of the tower body 100. The second monitoring component 300 and the first monitoring component 200 are arranged at intervals in the tower body 100.

[0024] Specifically, Figure 1 As shown, the first tower body 100 is installed above the second tower body 100, and the diameter of the first tower body 100 gradually increases from top to bottom, the diameter of the second tower body 100 gradually increases from top to bottom, the first monitoring component 200 is installed on the inner wall of the first tower body 100, and the second monitoring component 300 is installed on the inner wall of the second tower body 100.

[0025] The wind turbine tower monitoring device of the utility model embodiment is provided by installing a first monitoring component 200 and a second monitoring component 300 inside the first tower body 100 and the second tower body 100 respectively, using the first monitoring component 200 to monitor the inclination of the first tower body 100 and using the second monitoring component 300 to monitor the inclination of the second tower body 100. By monitoring the inclination of the second tower body 100, the inclination of the entire tower body 100 can be monitored, thereby improving the accuracy of judging the safety of the tower.

[0026] In some embodiments, the first monitoring component 200 includes a first inclination sensor 3 and a second inclination sensor 4 . The first inclination sensor 3 is disposed in the first tower body 100 to monitor the inclination of the first tower body 100 , and the second inclination sensor 4 is disposed in the second tower body 100 to monitor the inclination of the second tower body 100 .

[0027] Specifically, Figure 1 As shown, the first inclination sensor 3 is horizontally installed on the inner wall surface of the first tower body 100 , and the second inclination sensor 4 is horizontally installed on the inner wall surface of the second tower body 100 .

[0028] In some embodiments, the first monitoring component 200 also includes a first fixing plate 5 and a second fixing plate 6, the first fixing plate 5 is arranged in the first tower body 100, the first inclination sensor 3 is installed on the first fixing plate 5, the second fixing plate 6 is arranged in the second tower body 100, and the second inclination sensor 4 is installed on the second fixing plate 6.

[0029] Specifically, Figure 1 As shown, the first fixing plate 5 is fixed to the inner wall of the first tower body 100, the first inclination sensor 3 is installed on the first fixing plate 5, the second fixing plate 6 is fixed to the inner wall of the second tower body 100, and the second inclination sensor 4 is installed on the second fixing plate 6. By fixing the first inclination sensor 3 and the second inclination sensor 4 with the first fixing plate 5 and the second fixing plate 6, the stability of the sensor installation can be improved, thereby improving the accuracy of the monitoring data.

[0030] In some embodiments, the second monitoring component 300 includes a first stress sensor 7, a first acceleration sensor 8, a second stress sensor 9 and a second acceleration sensor 10. The first stress sensor 7 and the first acceleration sensor 8 are installed in the first tower body 100, and the second stress sensor 9 and the second acceleration sensor 10 are installed in the second tower body 100.

[0031] Specifically, Figure 1 As shown, the first stress sensor 7 is used to monitor the stress change of the first tower body 100, the first acceleration sensor 8 is used to monitor the vibration of the first tower body 100, the second stress sensor 9 is used to monitor the stress change of the second tower body 100, and the second acceleration sensor 10 is used to monitor the vibration of the second tower body 100. By monitoring the vibration and stress changes of the first tower body 100 and the second tower body 100, when the vibration and stress changes of the tower body 100 exceed the preset threshold value, parameters can be sent to the control center for personnel to judge the safety of the tower body 100, thereby improving the accuracy and precision of the safety monitoring of the tower body 100.

[0032] In some embodiments, the wind turbine tower monitoring device further includes a processor 11 , which is installed in the second tower body 100 , and the first monitoring component 200 and the second monitoring component 300 are both connected to the processor 11 .

[0033] It should be noted that the processor 11 may be an industrial computer.

[0034] Specifically, Figure 1 As shown, the processor 11 is installed inside the tower body 100. The processor 11 can collect and analyze data. The first monitoring component 200 and the second monitoring component 300 are respectively connected to the processor 11 to transmit the monitored parameters to the processor 11 to collect and analyze the parameters, so as to judge the safety and stability of the tower body 100.

[0035] In some embodiments, the wind turbine tower monitoring device further includes a third monitoring component 500 , which is suitable for being connected to the base 21 of the second tower body 100 , and is used to monitor the inclination, stress and vibration of the base 21 .

[0036] Specifically, Figure 3 As shown, the base 21 of the second tower body 100 is the base 21 of the entire tower body 100, and the base 21 can be fixed on the ground. The third monitoring component 500 is connected to the processor 11, and the data of the third monitoring component 500 is transmitted to the processor 11 to monitor the inclination, stress and vibration parameters of the base 21, thereby improving the precision and accuracy of the safety judgment of the tower body 100.

[0037] In some embodiments, the third monitoring component 500 includes a third inclination sensor 12 , a third stress sensor 13 , and a third acceleration sensor 14 , and the third inclination sensor 12 , the third stress sensor 13 , and the third acceleration sensor 14 are respectively mounted on the base 21 .

[0038] Specifically, Figure 3 As shown, the base 21 has an annular mounting platform 22, the third inclination sensor 12 is mounted on the annular mounting platform 22, the third inclination sensor 12 is used to monitor the inclination of the base 21, the third stress sensor 13 is mounted on the base 21 to monitor the stress change of the base 21, and the third acceleration sensor 14 is mounted on the base 21 to monitor the vibration change of the base 21. By monitoring the stress, inclination and vibration changes of the base 21, data support is provided for judging the safety of the tower body 100, and the accuracy of judging the safety of the tower body 100 is improved.

[0039] Optionally, a fourth acceleration sensor 18 may be disposed on the top of the first tower body 100 to monitor vibration changes of the first tower body 100 .

[0040] In some embodiments, the third monitoring component 500 further includes an image collector 15 , which is installed on the base 21 to collect images of the base 21 .

[0041] For example, the image collector 15 can be a camera, and the image collector 15 is installed on the annular mounting platform 22. The image collector 15 is used to observe the external shape of the base 21. For example, the image collector 15 can observe whether the base 21 is deformed, damaged or cracked, and can improve the accuracy of the safety of the tower body 100 based on the intuitive change in the appearance of the base 21.

[0042] In some embodiments, the wind turbine tower monitoring device also includes a calibration component 400, which includes a plurality of fourth inclination sensors 20, and the plurality of fourth inclination sensors 20 are arranged at intervals along the circumference of the tower body 100, and the plurality of fourth inclination sensors 20 are respectively installed at the flange 19 between the first tower body 100 and the second tower body 100.

[0043] Specifically, Figure 2 As shown, the fourth inclination sensor 20 may be a fourth inclination sensor 20, and a plurality of fourth inclination sensors 20 are installed at different positions of the flange 19. For example, the fourth inclination sensor 20 may be three, and the three fourth inclination sensors 20 are arranged at intervals around the circumference of the tower body 100. For example, the three fourth inclination sensors 20 are distributed at intervals of 120° around the circumference of the tower body 100, and the fourth inclination sensor 20 measures each area once. The two ends of the fourth inclination sensor 20 are respectively spanned on the connecting flange 19 of the first tower body 100 or the second tower body 100. The fourth inclination sensor 20 is connected to the processor 11. The processor 11 calculates at least three inclination angles measured by the fourth inclination sensor 20 through an algorithm to synthesize the initialization maximum inclination angle and orientation of the first tower body 100 and / or the second tower body 100.

[0044] In some embodiments, the wind turbine tower monitoring device further includes a server 16 and a remote terminal 17 , wherein the server 16 is connected to the remote terminal 17 , and the server 16 is connected to the processor 11 .

[0045] It should be noted that the server 16 can be installed in the control room, the processor 11 is connected to the server 16, and the server 16 is also connected to the remote terminal 17. The server 16 and the remote terminal 17 can be connected via Ethernet communication, and the remote terminal 17 and the processor 11 can be connected via Ethernet communication.

[0046] The remote terminal 17 includes three terminals, namely, a supplier remote operation access terminal, a maintenance personnel remote operation access terminal and a wind power user remote operation access terminal.

[0047] Refer to the following Figures 1 to 3 The operating principle of the wind turbine tower monitoring device according to the embodiment of the utility model is described.

[0048] During operation, the server 16 is arranged in the central control room of the wind farm, and the calibration component 400 can be used to detect the initial tilt angle of the first tower body 100 and the second tower body 100. At this time, the initial detection data of the first tilt sensor 3 and the second tilt sensor 4 can be adjusted according to the initial tilt angle of the first tower body 100 and the second tower body 100. The processor 11 collects and analyzes the monitoring parameters of the first tilt sensor 3, the second tilt sensor 4, the first stress sensor 7, the first acceleration sensor 8, the second stress sensor 9, the second acceleration sensor 10, the third acceleration sensor 14, the fourth acceleration sensor 18, and the third tilt sensor 12 to obtain the dynamic performance data of the tower tube, and the processed results are transmitted to the server 16. The remote terminal 17 can view the corresponding tower body 100 parameter information by connecting to the server 16, so as to monitor the safety performance of the tower body 100 and the base 21 in an all-round manner.

[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" 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, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0054] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A wind turbine tower monitoring device, characterized in that: include: A tower body, the tower body comprising a first tower body and a second tower body, the first tower body is located above the second tower body and the two are connected by a connecting flange; a first monitoring component, the first monitoring component being arranged in the tower body, and the first monitoring component being used to monitor the inclination of the tower body; The second monitoring component is arranged in the tower body, and the second monitoring component is used to monitor the stress and vibration of the tower body, and the second monitoring component and the first monitoring component are arranged in the tower body at intervals.

2. The wind turbine tower monitoring device according to claim 1, characterized in that: The first monitoring component includes a first inclination sensor and a second inclination sensor. The first inclination sensor is arranged in the first tower body to monitor the inclination of the first tower body. The second inclination sensor is arranged in the second tower body to monitor the inclination of the second tower body.

3. The wind turbine tower monitoring device according to claim 2, characterized in that: The first monitoring assembly also includes a first fixing plate and a second fixing plate, the first fixing plate is arranged in the first tower body, the first inclination sensor is installed on the first fixing plate, the second fixing plate is arranged in the second tower body, and the second inclination sensor is installed on the second fixing plate.

4. The wind turbine tower monitoring device according to claim 3, characterized in that: The second monitoring component includes a first stress sensor, a first acceleration sensor, a second stress sensor and a second acceleration sensor. The first stress sensor and the first acceleration sensor are installed in the first tower body, and the second stress sensor and the second acceleration sensor are installed in the second tower body.

5. The wind turbine tower monitoring device according to any one of claims 1 to 4, characterized in that: It also includes a processor, which is installed in the second tower body, and the first monitoring component and the second monitoring component are both connected to the processor.

6. The wind turbine tower monitoring device according to claim 5, characterized in that: It also includes a third monitoring component, which is suitable for being connected to the base of the second tower body, and is used to monitor the inclination, stress and vibration of the base.

7. The wind turbine tower monitoring device according to claim 6, characterized in that: The third monitoring component includes a third inclination sensor, a third stress sensor and a third acceleration sensor, and the third inclination sensor, the third stress sensor and the third acceleration sensor are respectively mounted on the base.

8. The wind turbine tower monitoring device according to claim 7, characterized in that: The third monitoring component also includes an image collector, which is installed on the base and is used to collect images of the base.

9. The wind turbine tower monitoring device according to claim 6, characterized in that: It also includes a calibration component, which includes a plurality of fourth inclination sensors, which are arranged at intervals along the circumference of the tower body and are respectively installed at the flange between the first tower body and the second tower body.

10. The wind turbine tower monitoring device according to claim 9, characterized in that: It also includes a server and a remote terminal, wherein the server is connected to the remote terminal, and the server is connected to the processor.

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