Anemoscope calibration device of wind generating set

Abstract

According to the wind turbine generator set anemoscope calibration device, a positioning assembly comprises a base and a bent rod, a calibration assembly comprises a vertical rod and a transverse rod, the bottom end of the bent rod is rotationally connected with the base, a top seat is fixedly arranged at the top end of the bent rod, a fixing seat is rotationally arranged at the bottom end of the vertical rod, and the fixing seat is fixed to the upper end of the top seat; the transverse rod is fixed to the top end of the vertical rod, the indicating block and the verification plate are symmetrically arranged at the two ends of the transverse rod, the base is placed on a designated plane, the air pump is started, negative pressure in the base can be changed, at the moment, the base can be adsorbed to a designated position, and then the stability of the verification assembly in use can be improved; furthermore, the accuracy of the verification assembly in use can be improved.

Description

Technical Field

[0001] The utility model relates to the field of calibration devices, in particular to a calibration device for a wind vane of a wind turbine generator set. Background Art

[0002] The wind vane calibration device of a wind turbine generator set needs to track the wind direction changes and constantly adjust the wind to obtain the maximum power during operation. The wind vane calibration device of a grid-connected wind turbine generator set generally uses an electric yaw system to adjust the wind wheel and align it with the wind direction. The yaw system generally includes a wind vane that senses the wind direction, a yaw motor, a yaw planetary gear reducer, a rotating body large gear, etc. In actual work, the wind vane often deflects at an angle, so that errors are easily generated in the process of adjusting the angle of the wind vane calibration device of the wind turbine generator set according to the wind vane, which reduces the working efficiency of the wind vane calibration device of the wind turbine generator set.

[0003] In order to ensure the accuracy of the adjustment of the wind vane calibration device of the wind turbine generator set, the wind vane needs to be calibrated regularly. The current traditional calibration method is to manually climb to the location of the wind vane and calibrate with a handheld calibration device. Since the wind vane is located at a high altitude and the wind is strong, it is difficult to stabilize the handheld calibration device during the process, and it is easy to cause jitter, deflection and other problems, which will cause errors in the calibration results. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a wind vane calibration device for a wind turbine generator set.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind vane calibration device for a wind turbine generator set, comprising a positioning component and a calibration component, the positioning component comprising a base and a bent rod, the calibration component comprising a vertical rod and a horizontal rod, the bottom end of the bent rod is rotatably connected to the base, the top end of the bent rod is fixedly provided with a top seat, the bottom end of the vertical rod is rotatably provided with a fixed seat, the fixed seat is fixed to the upper end of the top seat, the horizontal rod is fixed to the top end of the vertical rod, indicator blocks and calibration plates are symmetrically arranged at both ends of the horizontal rod, an air pump is arranged on one side of the base, the air suction end of the air pump is connected to the base through a conduit, an air intake pipe is arranged on the other side of the base, an air intake valve is arranged on the air intake pipe, and the air pump is electrically connected to the air intake valve.

[0008] In order to facilitate the assembly of the fixing seat, the improvement of the utility model is that the fixing seat is fixed to the upper end of the top seat by screws.

[0009] In order to facilitate fixing the position of the bent rod, the utility model has the following improvements: a disc is fixedly arranged at the bottom end of the bent rod, the disc is rotatably connected to the base, a plurality of positioning holes are arranged on the circumference of the disc at the top end of the base, and a limiting rod is arranged at the edge of the disc and inserted into the positioning hole.

[0010] Furthermore, the utility model has the following improvements: a plurality of scale bars are arranged around the disc at the upper end of the base, and an indicating arrow is arranged at the edge of the disc.

[0011] Furthermore, the utility model is improved in that an annular groove is provided at the bottom end of the base, and a sealing ring is provided inside the annular groove.

[0012] Furthermore, the present invention is improved in that the sealing ring is bonded to the inside of the annular groove.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a wind vane calibration device for a wind turbine generator set, which has the following beneficial effects:

[0015] The wind vane calibration device for a wind turbine generator set places the base on a designated plane and starts an air pump to create a negative pressure inside the base. At this time, the base can be adsorbed at a designated position, thereby improving the stability of the calibration component during use, and further improving the accuracy of the calibration component during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0018] Figure 3 For this utility model Figure 1 The main view;

[0019] Figure 4 For this utility model Figure 3 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] In the figure: 1. base; 2. bent rod; 3. top seat; 4. vertical rod; 5. fixed seat; 6. horizontal rod; 7. indicator block; 8. check plate; 9. annular groove; 10. sealing ring; 11. air pump; 12. inlet valve; 13. scale bar; 14. indicator arrow; 15. disc; 16. limit rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , a wind vane calibration device for a wind turbine generator set, comprising a positioning component and a calibration component, the positioning component comprising a base 1 and a bent rod 2, the calibration component comprising a vertical rod 4 and a horizontal rod 6, the bottom end of the bent rod 2 is rotatably connected to the base 1, the top end of the bent rod 2 is fixedly provided with a top seat 3, the bottom end of the vertical rod 4 is rotatably provided with a fixed seat 5, the fixed seat 5 is fixed to the upper end of the top seat 3, the horizontal rod 6 is fixed to the top end of the vertical rod 4, and indicator blocks 7 and calibration plates 8 are symmetrically arranged at both ends of the horizontal rod 6, an air pump 11 is arranged on one side of the base 1, the air suction end of the air pump 11 is connected with the base 1 through a conduit, an air intake pipe is arranged on the other side of the base 1, an air intake valve 12 is arranged on the air intake pipe, and the air pump 11 is electrically connected to the air intake valve 12;

[0023] When the structure is used, the base 1 is placed on a designated plane, and the air pump 11 is started to make the base 1 have a negative pressure. At this time, the base 1 can be adsorbed at a designated position, thereby improving the stability of the calibration component when in use, and further improving the accuracy of the calibration component when in use. The air intake valve 12 is started to open the air intake valve 12. At this time, the air pressure in the base 1 is the same as the external air pressure, and the base 1 can be taken. The structure is simple and the operation is convenient.

[0024] After the base 1 is fixed, natural wind can blow toward the verification plate 8, which can make the vertical rod 4 rotate on the fixed base 5, and then the indicating block 7 can indicate the wind direction, and the bent rod 2 can drive the top seat 3 and the vertical rod 4 to rotate on the base 1, so as to facilitate the temporary adjustment of the position of the verification component, reduce the limitations of the positioning component and the verification component during installation, and the positioning component and the verification component are detachable structures, which is convenient for carrying.

[0025] Furthermore, the fixing seat 5 is fixed to the upper end of the top seat 3 by screws, and the screw fixing method can make the fixing seat 5 easy to assemble.

[0026] After the position of the bending rod 2 is adjusted, it is necessary to fix the position of the bending rod 2. A disc 15 is fixedly set at the bottom end of the bending rod 2. The disc 15 is rotatably connected to the base 1. The top of the base 1 is provided with a plurality of positioning holes located on the circumference of the disc 15. A limiting rod 16 inserted into the positioning hole is provided at the edge of the disc 15. A plurality of scale bars 13 are provided around the disc 15 at the upper end of the base 1. An indicating arrow 14 is provided at the edge of the disc 15. The limiting rod 16 is pulled out, the disc 15 is rotated, and the limiting rod 16 is passed through different positioning holes. The limiting rod 16 can limit the disc 15 on the base 1, which can improve the stability of the bending rod 2 when in use. Moreover, the cooperation between the indicating arrow 14 and the scale bar 13 can facilitate the disc 15 to be inserted into the positioning hole.

[0027] Furthermore, an annular groove 9 is provided at the bottom end of the base 1, and a sealing ring 10 is provided inside the annular groove 9. The sealing ring 10 is bonded to the inside of the annular groove 9. When the base 1 is placed, the sealing ring 10 can increase the sealing performance of the base 1, which can further improve the stability of the base 1 when placed.

[0028] In the description of this article, it should be noted that relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind vane calibration device for a wind turbine generator set, comprising a positioning component and a calibration component, characterized in that: The positioning assembly comprises a base (1) and a bent rod (2); the verification assembly comprises a vertical rod (4) and a horizontal rod (6); the bottom end of the bent rod (2) is rotatably connected to the base (1); a top seat (3) is fixedly arranged at the top end of the bent rod (2); a fixed seat (5) is rotatably arranged at the bottom end of the vertical rod (4); the fixed seat (5) is fixed to the upper end of the top seat (3); the horizontal rod (6) is fixed to the top end of the vertical rod (4); indicator blocks (7) and a verification plate (8) are symmetrically arranged at both ends of the horizontal rod (6); an air pump (11) is arranged on one side of the base (1); an air suction end of the air pump (11) is connected to the base (1) through a conduit; an air intake pipe is arranged on the other side of the base (1); an air intake valve (12) is arranged on the air intake pipe; the air pump (11) is electrically connected to the air intake valve (12).

2. A wind vane calibration device for a wind turbine generator set according to claim 1, characterized in that: The fixing seat (5) is fixed to the upper end of the top seat (3) by means of screws.

3. A wind vane calibration device for a wind turbine generator set according to claim 2, characterized in that: A disc (15) is fixedly arranged at the bottom end of the curved rod (2), and the disc (15) is rotatably connected to the base (1). The top end of the base (1) is provided with a plurality of positioning holes located on the circumference of the disc (15), and a limiting rod (16) is inserted into the positioning hole at the edge of the disc (15).

4. A wind vane calibration device for a wind turbine generator set according to claim 3, characterized in that: A plurality of scale bars (13) are arranged around a circular disc (15) at the upper end of the base (1), and an indicating arrow (14) is arranged at the edge of the circular disc (15).

5. A wind vane calibration device for a wind turbine generator set according to claim 4, characterized in that: An annular groove (9) is provided at the bottom end of the base (1), and a sealing ring (10) is provided inside the annular groove (9).

6. A wind vane calibration device for a wind turbine generator set according to claim 5, characterized in that: The sealing ring (10) is bonded inside the annular groove (9).

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