CN220059802U - Device for improving wind power prediction precision - Google Patents
Device for improving wind power prediction precision Download PDFInfo
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- CN220059802U CN220059802U CN202321284753.0U CN202321284753U CN220059802U CN 220059802 U CN220059802 U CN 220059802U CN 202321284753 U CN202321284753 U CN 202321284753U CN 220059802 U CN220059802 U CN 220059802U
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- rotating shaft
- power prediction
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- 238000009434 installation Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a device for improving wind power prediction precision, which comprises a bottom plate, wherein the bottom plate comprises a lower plate used for fixing and a movable plate which is connected above the lower plate at intervals, a horizontal bubble instrument is arranged on the movable plate, and the movable plate is movably connected with the lower plate to enable the movable plate and the lower plate to be parallel or arranged at an included angle. The bottom plate comprises the lower plate and the movable plate movably connected with the lower plate, other parts are the same as those in the prior art and are fixed on the movable plate, when the whole device is installed, the lower plate is fixedly installed with an installation place, the positions of the movable plate and the bottom plate are adjusted appropriately, the position of the movable plate is judged through the horizontal bubble instrument, so that the movable plate is possibly matched with the wind direction, and further the measurement accuracy of the whole device on wind power is improved.
Description
Technical Field
The utility model belongs to the technical field of wind power prediction, and particularly relates to a device for improving wind power prediction accuracy.
Background
Wind power generation is to convert kinetic energy of wind into electric energy. Wind energy is becoming more and more important worldwide as a clean renewable energy source. The energy is about 2.74×109MW, and the available energy is 2×107MW, which is 10 times larger than the energy available on earth. The wind power generation system is provided with a prediction device capable of predicting wind power in a short period, and the conventional wind power prediction device has low accuracy.
For this purpose, a corresponding wind power prediction device (patent application number CN202121998146.1, entitled high-precision wind power prediction device) is provided in the prior art, which comprises a base plate; the top surface of the bottom plate is provided with a vertical supporting tube; the bottom end of the supporting tube is rotationally connected with the bottom plate through an electric turntable; the top surface of the bottom plate is positioned on the periphery of the electric turntable and is provided with a mounting cover body; the supporting tube is rotationally connected with the mounting cover body through a first bearing; a braking mechanism is arranged between the inner wall of the mounting cover body and the supporting tube; a blade assembly is arranged at the top end of the supporting tube; a speed measuring assembly is arranged in the supporting tube; the blade assembly and the speed measuring assembly are in transmission connection through a chain; the top of the blade assembly is provided with a wind direction sensor. The device monitors and acquires wind direction information through a wind direction sensor, controls the electric turntable to rotate according to the wind direction information, adjusts the direction of the blade assembly to enable the blade assembly to face the incoming wind direction, and then is fixed through a braking mechanism. The automatic adjustment of the blade assembly orientation is realized, more accurate wind power information can be obtained, and the accuracy of wind power prediction is improved.
However, in the above-mentioned device, the bottom plate is of a general plate-like structure, in practice, the device is usually installed in the field where the wind turbine generator system is installed, and when the wind turbine generator system is installed, the ground in the field is not always horizontal, and when the ground in the field has a certain gradient, the installed device can be relatively parallel to the wind direction position, and further, the wind power can be accurately measured. Therefore, in the prior art, the angle cannot be adjusted due to the single bottom plate structure so as to be more suitable for different installation environments and wind directions, and the problem of low measurement precision of the conventional device is also caused.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a device for improving the wind power prediction precision, which solves the problem that the wind power measurement precision is not high due to deviation of the position relation between the whole device and the wind direction caused by simple bottom plate structure in the prior art.
According to the embodiment of the utility model, the device for improving the wind power prediction precision comprises a bottom plate, wherein the bottom plate comprises a lower plate used for fixing and a movable plate which is connected above the lower plate at intervals, a horizontal bubble instrument is arranged on the movable plate, and the movable plate is movably connected with the lower plate to enable the movable plate and the lower plate to be parallel or arranged at an included angle.
Further, the movable plate comprises an upper movable plate and a lower movable plate which are arranged at intervals up and down, and the upper movable plate is movably connected with the lower movable plate so that the upper movable plate and the lower movable plate are parallel or are arranged at an included angle.
Further, a first rotating sleeve is fixed below the upper movable plate, a first rotating shaft which is sleeved with the first rotating sleeve and is in rotating connection with the lower movable plate is fixed on the lower movable plate, two first servo cylinders are arranged between the upper movable plate and the lower movable plate and are axially symmetrically arranged along the first rotating shaft, a piston cylinder of each first servo cylinder is fixed with the lower movable plate, and the end part of a piston rod of each first servo cylinder is movably connected with the upper movable plate.
Further, a first movable pin with the length direction parallel to the axial direction of the first rotating shaft is connected to the end part of the piston rod of the first servo cylinder, and a first connecting seat rotationally connected with the first movable pin is arranged at the bottom of the upper movable plate.
Further, a second rotating sleeve is fixed below the lower movable plate, a second rotating shaft which is sleeved and rotationally connected with the second rotating sleeve is fixed on the lower plate, the second rotating shaft is intersected with the projection of the first rotating shaft,
two second servo cylinders are arranged between the lower movable plate and the lower plate and axially symmetrically arranged along a second rotating shaft, a piston cylinder of each second servo cylinder is fixed with the lower plate, and the end part of a piston rod of each second servo cylinder is movably connected with the lower movable plate.
Further, a second movable pin with the length direction parallel to the axial direction of the second rotating shaft is connected to the end part of the piston rod of the second servo cylinder, and a second connecting seat rotationally connected with the second movable pin is arranged at the bottom of the lower movable plate.
Further, the axial direction of the second rotating shaft is perpendicular to the projection of the axial direction of the first rotating shaft.
Further, a plurality of fixing bolts which are uniformly distributed in the circumferential direction are arranged at the position, close to the edge, of the lower plate.
Compared with the prior art, the utility model has the following beneficial effects: the bottom plate comprises the lower plate and the movable plate movably connected with the lower plate, other parts are the same as those in the prior art and are fixed on the movable plate, when the whole device is installed, the lower plate is fixedly installed with an installation place, the positions of the movable plate and the bottom plate are adjusted appropriately, the position of the movable plate is judged through the horizontal bubble instrument, so that the movable plate is possibly matched with the wind direction, and further the measurement accuracy of the whole device on wind power is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of a base of the present utility model in another state.
In the above figures: 1. a lower plate; 11. a fixing bolt; 2. a movable plate; 21. an upper movable plate; 22. a lower movable plate; 23. a second connecting seat; 24. a second rotation shaft; 25. a second rotating sleeve; 26. a first rotation shaft; 27. a first rotating sleeve; 28. a first connection base; 3. a second servo cylinder; 31. a second movable pin; 4. a first servo cylinder; 41. a first movable pin; 5. a horizontal bubble meter; 6. and (5) supporting the tube.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the embodiment of the utility model provides a device for improving wind power prediction precision, which comprises a bottom plate, wherein the bottom plate comprises a fixed lower plate 1 and a movable plate 2 which is connected above the lower plate 1 at intervals, a horizontal bubble meter 5 is arranged on the movable plate 2, and the movable plate 2 is movably connected with the lower plate 1 so that the movable plate 2 is parallel to the lower plate 1 or is arranged at an included angle. The support tube 6, the speed measuring assembly, the wind direction sensor and the like in the prior art are arranged on the movable plate 2 according to the arrangement mode in the prior art. The utility model mainly improves the structure of the bottom plate, so that the whole device can correct the deviation in the use process according to different installation positions, is more suitable for the wind direction, and further improves the test precision of the whole device.
As shown in fig. 1 and 2, in order to achieve the up-down swing adjustment of the entire bottom plate along X and up-down swing adjustment along Y, the movable plate 2 of the present utility model includes an upper movable plate 21 and a lower movable plate 22 that are disposed at an up-down interval, where the upper movable plate 21 and the lower movable plate 22 are movably connected to make the upper movable plate 21 parallel to the lower movable plate 22 or form an included angle. The support tube 6, the speed measuring assembly, the wind direction sensor, etc. in the prior art are disposed on the upper movable plate 21 according to the arrangement manner in the prior art. Through the lower movable plate 22 and the lower plate 1, the position relationship between the upper movable plate 21 and the lower plate 1 can be changed in more dimensions, and the mounting landform can be complicated in a matching manner.
As shown in fig. 1 and 2, the movable connection between the upper movable plate 21 and the lower movable plate 22 is similar to the movable connection between the lower movable plate 22 and the lower plate 1, specifically, a first rotating sleeve 27 is fixed below the upper movable plate 21, a first rotating shaft 26 sleeved and rotationally connected with the first rotating sleeve 27 is fixed on the lower movable plate 22, two first servo cylinders 4 are arranged between the upper movable plate 21 and the lower movable plate 22, the two first servo cylinders 4 are axially symmetrically arranged along the first rotating shaft 26, a piston cylinder of each first servo cylinder 4 is fixed with the lower movable plate 22, and a piston rod end of each first servo cylinder 4 is movably connected with the upper movable plate 21. The lower movable plate 22 below is fixed with the second and rotates cover 25, be fixed with on the lower plate 1 with the second rotation axle 24 that the second rotation cover 25 cover was established and is rotated the connection, the second rotation axle 24 is crossed with the projection of first rotation axle 26 and is set up, be equipped with two second servo cylinder 3 between lower movable plate 22 and the lower plate 1, two second servo cylinder 3 set up along second rotation axle 24 axial symmetry, and every the piston cylinder of second servo cylinder 3 is fixed with lower plate 1, every the piston rod tip and the lower movable plate 22 swing joint of second servo cylinder 3. When in use, the lower plate 1 is fixed with the ground, and at this time, the position of the lower movable plate 22 or the position of the upper movable plate 21 or both the upper movable plate 21 and the lower movable plate 22 are considered to be adjusted according to the positional relationship. When the position of the upper movable plate 21 is adjusted, the two first servo cylinders 4 are controlled to extend out and retract one by one at the same speed, so that the upper movable plate 21 is inclined to a proper position. When the lower movable plate 22 is adjusted, the two second servo cylinders 3 are controlled to extend out and retract one by one at the same speed, so that the lower movable plate 22 is inclined until the lower movable plate is at a proper position.
As shown in fig. 1 and 2, in order to prevent the piston rod of the first servo cylinder 4 from affecting the rotation of the upper movable plate 21 along the first rotation axis 26 when being connected with the upper movable plate 21, the end of the piston rod of the first servo cylinder 4 is connected with a first movable pin 41 with the length direction axially parallel to the first rotation axis 26, and the bottom of the upper movable plate 21 is provided with a first connecting seat 28 rotationally connected with the first movable pin 41. Similarly, in order that the piston rod of the second servo cylinder 3 is connected with the lower movable plate 22 without affecting the rotation of the upper movable plate 21 along the second rotation axis 24, the end of the piston rod of the second servo cylinder 3 is connected with a second movable pin 31 with the length direction axially parallel to the second rotation axis 24, and the bottom of the lower movable plate 22 is provided with a second connecting seat 23 rotationally connected with the second movable pin 31.
As shown in fig. 1 and 2, for realizing the adjustment of the entire bottom plate by swinging up and down along X and by swinging up and down along Y, the axial direction of the second rotation shaft 24 is perpendicular to the projection of the axial direction of the first rotation shaft 26.
As shown in fig. 1 and 2, in order to facilitate the fixation of the lower plate 1 to the ground, the lower plate 1 of the present utility model adopts the same manner as the prior art, and a plurality of fixing bolts 11 are uniformly distributed in the circumferential direction near the edge of the lower plate 1. The lower plate 1 is fixed with the ground through a plurality of fixing screws, so that the stability of the whole device is ensured.
When the whole device is installed, the lower plate 1 is fixedly installed with an installation place, the positions of the movable plate 2 and the bottom plate are adjusted in a re-fitting mode, the position of the movable plate 2 is judged through the horizontal bubble meter 5, the movable plate 2 is enabled to be possibly matched with the wind direction, and further the measuring accuracy of the whole device to wind power is improved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (8)
1. The utility model provides a device for improving wind power prediction precision, includes bottom plate, its characterized in that: the bottom plate includes the fly leaf that is used for fixed hypoplastron and hypoplastron top interval connection, be equipped with the horizontal bubble appearance on the fly leaf, fly leaf and hypoplastron swing joint make fly leaf and hypoplastron parallel or be the contained angle setting.
2. A device for improving wind power prediction accuracy according to claim 1, wherein: the movable plate comprises an upper movable plate and a lower movable plate which are arranged at intervals up and down, and the upper movable plate is movably connected with the lower movable plate to enable the upper movable plate to be parallel to the lower movable plate or to be arranged at an included angle.
3. A device for improving wind power prediction accuracy according to claim 2, wherein: the lower movable plate is fixedly provided with a first rotating shaft which is sleeved with the first rotating sleeve and is in rotating connection with the first rotating sleeve, two first servo cylinders are arranged between the upper movable plate and the lower movable plate and are axially symmetrically arranged along the first rotating shaft, a piston cylinder of each first servo cylinder is fixed with the lower movable plate, and the end part of a piston rod of each first servo cylinder is movably connected with the upper movable plate.
4. A device for improving wind power prediction accuracy according to claim 3, wherein: the end part of a piston rod of the first servo cylinder is connected with a first movable pin with the length direction parallel to the axial direction of the first rotating shaft, and a first connecting seat which is rotationally connected with the first movable pin is arranged at the bottom of the upper movable plate.
5. A device for improving wind power prediction accuracy according to claim 3, wherein: a second rotating sleeve is fixed below the lower movable plate, a second rotating shaft which is sleeved with the second rotating sleeve and is in rotating connection with the second rotating sleeve is fixed on the lower plate, the second rotating shaft is intersected with the projection of the first rotating shaft,
two second servo cylinders are arranged between the lower movable plate and the lower plate and axially symmetrically arranged along a second rotating shaft, a piston cylinder of each second servo cylinder is fixed with the lower plate, and the end part of a piston rod of each second servo cylinder is movably connected with the lower movable plate.
6. A device for improving wind power prediction accuracy according to claim 5, wherein: the end part of a piston rod of the second servo cylinder is connected with a second movable pin with the length direction parallel to the axial direction of the second rotating shaft, and a second connecting seat rotationally connected with the second movable pin is arranged at the bottom of the lower movable plate.
7. A device for improving wind power prediction accuracy according to claim 5, wherein: the axial direction of the second rotating shaft is perpendicular to the projection of the axial direction of the first rotating shaft.
8. A device for improving wind power prediction accuracy according to any of claims 1-5, characterized in that: the lower plate is provided with a plurality of fixing bolts which are uniformly distributed in the circumferential direction near the edge position of the lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321284753.0U CN220059802U (en) | 2023-05-25 | 2023-05-25 | Device for improving wind power prediction precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321284753.0U CN220059802U (en) | 2023-05-25 | 2023-05-25 | Device for improving wind power prediction precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220059802U true CN220059802U (en) | 2023-11-21 |
Family
ID=88763112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321284753.0U Active CN220059802U (en) | 2023-05-25 | 2023-05-25 | Device for improving wind power prediction precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220059802U (en) |
-
2023
- 2023-05-25 CN CN202321284753.0U patent/CN220059802U/en active Active
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