CN211060905U - U-shaped tubular tilt angle sensor on tower top of wind turbine generator system - Google Patents
U-shaped tubular tilt angle sensor on tower top of wind turbine generator system Download PDFInfo
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- CN211060905U CN211060905U CN201921593088.7U CN201921593088U CN211060905U CN 211060905 U CN211060905 U CN 211060905U CN 201921593088 U CN201921593088 U CN 201921593088U CN 211060905 U CN211060905 U CN 211060905U
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Abstract
The utility model provides a wind turbine generator system top of tower U type tubular tilt angle sensor, includes U type pipe connection structure, fastening staple bolt, measuring liquid, level sensor, support angle steel, hookup lug and the control unit, and U type pipe connection structure need pour into measuring liquid into, installs and fixes the liquid level sensor at the connection riser top of U type pipe connection structure again to with signal of telecommunication input control unit and convert and obtain real-time inclination, the corresponding conversion signal of telecommunication of output by the control unit again. The utility model has the characteristic of self-leveling, is simple and convenient to install and is easy to capture the original zero position; the span of the bottom of the communication structure is large, the theoretical model of the U-shaped pipe is overlapped with the theoretical center of the tower wall, and the influence of installation errors on output results is small; the method is suitable for measuring the inclination angle of the tower cylinder in any wind direction.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a U-shaped tubular tilt angle sensor at the top of a tower of a wind turbine generator.
Background
The tilt angle sensor is an important measuring tool which is indispensable in the fields of bridge erection, railway laying, civil engineering, oil drilling, aviation and navigation, industrial automation, intelligent platforms, machining and the like at present. However, in the wind power industry, application cases for monitoring the vibration inclination angle and the displacement of the tower top of the wind turbine generator are not common. The capacitive single-axis or multi-axis inclination angle sensor is applied to the monitoring test of the displacement of the tower top of the wind turbine generator, but the inclination angle monitoring is used as a signal input source, and a mode for monitoring the long-term displacement of the wind turbine generator needs further verification.
Although the capacitive micro pendulum bob principle adopted by the capacitive single-axis or multi-axis inclination angle sensor can collect and extract horizontal included angle data of the tower top, the two preconditions of searching a flat measuring surface and a relatively fixed measured axis are difficult to install, and different main wind directions are possible to appear in the inclination direction of the tower top along with the seasonal change without a fixed axis measurement in consideration of the randomness of the operation wind condition of the wind turbine generator; the installation position of the tower top is usually a curved surface, the sensor is difficult to be installed at the centroid position of the tower top, and the zero setting and the calibration of the tilt angle sensor by other means are prone to drifting in different degrees.
Disclosure of Invention
For the measurement that solves prior art existence, installation and zero setting problem, the utility model provides a through the poor change of monitoring liquid level height, feedback top of the tower circular plane and horizontal angle's U type tubular tilt sensor, this sensor is low price not only, because of its intercommunication diameter is close by position measuring internal diameter with a tower section of thick bamboo, and through a tower section of thick bamboo horizontal cross section centroid position, its zero setting calibration is simple, installation and convenient to use are applicable to various wind direction environment, easily extensive popularization and application.
The utility model provides a technical scheme that its technical problem adopted is:
A wind turbine generator tower top U-shaped tubular tilt angle sensor comprises a U-shaped tubular communication structure, a fastening hoop, a measuring liquid, a liquid level sensor, support angle steel, a connection lug and a control unit, wherein the U-shaped tubular communication structure is fixed on the support angle steel by the fastening hoop and a fastening piece, the support angle steel is fixed with the connection lug reserved on a wind turbine generator tower wall, the welding position of the connection lug and a tower barrel are designed and fixed together, so that the lugs are distributed annularly by taking the center line of the tower barrel as the center line, the center lines of the lugs are positioned on the same horizontal plane, and the lugs are distributed in the main wind direction and the vertical direction of the wind turbine generator; the U-shaped pipe communication structure needs to be filled with the measuring liquid, the liquid level sensor is installed and fixed at the top end of the connecting vertical pipe of the U-shaped pipe communication structure, electric signals are input into the control unit and converted to obtain a real-time inclination angle, and then the control unit outputs corresponding converted electric signals.
Furthermore, the U-shaped pipe communication structure is formed by splicing a connecting vertical pipe, a connecting tee joint and a connecting bottom pipe, wherein the connecting vertical pipe, the connecting tee joint and the connecting bottom pipe are made of transparent resin tubular materials, the connecting bottom pipe and the connecting tee joint are spliced into a circular ring structure, the connecting vertical pipes are spliced with the connecting tee joint in pairs opposite to each other at 180-degree intervals, and the connecting vertical pipes and the circular ring structure at the bottom form the U-shaped pipe communication structure with multiple vertical pipes.
Still further, the liquid level sensor adopts a contact type or non-contact type liquid level sensor. Preferably, a contact capacitive level transmitter is used to output a real-time electrical level signal.
Furthermore, the number of the connecting vertical pipes is 4-8, and the preferred number of the connecting vertical pipes is 4.
the utility model discloses a wind turbine generator system top of tower U type tubular tilt sensor adopts the principle at U type pipe linker survey inclination, as shown in fig. 1, the installation of top of tower U type tubular tilt sensor is accomplished the back and is passed through the change of measuring liquid level in the liquid level sensing monitoring connection riser acquires the liquid level through the output signal of telecommunication, because the connection riser of U type pipe linker is according to tower section of thick bamboo central line cyclic annular distribution, selects the liquid level highest, in, minimum wherein 3 connection risers to liquid level central summit three-dimensional coordinate, draws a space plane and connects the riser center face of cylinder and intersect, calculates the difference in height △ h of the ascending highest point in line of intersection direction of height and minimum, with the internal diameter △ B of known connection riser center face of cylinder, calculates then can reacing final inclination through formula theta for arctg (═ h/B).
The beneficial effects of the utility model are that:
1. The device has the characteristic of self-correcting level, the original zero position is easy to capture, and the installation is simple and convenient;
2. The span of the bottom of the communication structure is large, the theoretical model of the U-shaped pipe is overlapped with the theoretical center of the tower wall, and the influence of installation errors on output results is small;
3. The device is suitable for measuring the inclination angle of the tower cylinder in any wind direction, the measurement result is not limited by the installation direction, and the rotation central shaft does not need to be found.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, a wind turbine tower top U-shaped tubular tilt angle sensor comprises a U-shaped tubular communication structure 1, a fastening hoop 2, a measurement 3, a liquid level sensor 4, a support angle steel 5, a connection lug 6 and a control unit 7, wherein the U-shaped tubular communication structure 1 is formed by splicing a connection vertical tube 13, a connection tee 12 and a connection bottom tube 11, the connection vertical tube 13, the connection tee 12 and the connection bottom tube 11 are made of transparent glass or resin tubular materials, the connection bottom tube 11 and the connection tee 12 are spliced into a circular ring structure, the connection vertical tube 13 is spliced with the connection tee 12 in a pairwise opposite manner at 180 degrees, the number of the connection vertical tubes 12 is preferably 4, and the connection vertical tube communication structure 11 is formed into a multi-vertical tube U-shaped tubular communication structure 11 with a circular ring structure at the bottom, after the U-shaped tubular communication structure 11 is assembled, the fastening hoop 2 and a fastening piece are fixed on the support angle, the supporting angle steel 5 is fixed with the connecting lugs 6 reserved on the wall of the tower of the wind turbine generator, the welding positions of the connecting lugs 6 are lofted and fixed together with the tower, so that the connecting lugs 6 are distributed annularly by taking the center line of the tower as the center line, the center lines of the connecting lugs 6 are all positioned on the same horizontal plane, and the lugs 6 are distributed in the main wind direction and the vertical direction of the wind turbine generator as far as possible. The U-shaped pipe communication structure 1 needs to be filled with the measuring liquid 3, the measuring liquid 3 is preferably vegetable oil, the liquid level sensor 4 is installed and fixed at the top end of the connecting vertical pipe 13, the liquid level sensor 4 can be a contact type or non-contact type liquid level sensor, and a contact type capacitance type liquid level transmitter is preferably adopted to output a real-time liquid level electric signal. And the electrical signal is input into the control unit 7 and converted to obtain a real-time inclination angle, and then the control unit 7 outputs a corresponding conversion electrical signal.
The utility model discloses when the operation, only need with the control unit 7 output electricity signal inserts in corresponding display or the controller, then can realize wind turbine generator system's real-time inclination monitoring or displacement monitoring.
Claims (4)
1. A wind turbine generator tower top U-shaped tubular tilt angle sensor is characterized by comprising a U-shaped tubular communication structure, a fastening hoop, a measuring liquid, a liquid level sensor, support angle steel, a connecting lug and a control unit, wherein the fastening hoop and a fastening piece are adopted by the U-shaped tubular communication structure to be fixed on the support angle steel, the support angle steel is fixed with the connecting lug reserved on a tower wall of a wind turbine generator, the welding position of the connecting lug and a tower cylinder are set out and fixed together, so that the lugs are distributed in an annular mode by taking the central line of the tower cylinder as a central line, the central lines of the lugs are all located on the same horizontal plane, and the lugs are distributed in the main wind direction and the vertical direction of the wind turbine generator; the U-shaped pipe communication structure needs to be filled with the measuring liquid, the liquid level sensor is installed and fixed at the top end of the connecting vertical pipe of the U-shaped pipe communication structure, electric signals are input into the control unit and converted to obtain a real-time inclination angle, and then the control unit outputs corresponding converted electric signals.
2. The wind turbine generator system tower top U-shaped tubular tilt angle sensor according to claim 1, wherein the U-shaped tubular communication structure is formed by splicing a connecting vertical tube, a connecting tee joint and a connecting bottom tube, wherein the connecting vertical tube, the connecting tee joint and the connecting bottom tube are made of transparent resin tubular materials, the connecting bottom tube and the connecting tee joint are spliced into a circular ring structure, the connecting vertical tubes are spliced with the connecting tee joint in pairs opposite at 180 degrees, and the connecting vertical tubes and the circular ring structure at the bottom form a multi-vertical-tube U-shaped tubular communication structure.
3. The wind turbine tower top U-shaped tubular tilt sensor according to claim 1 or 2, wherein the liquid level sensor is a contact type or non-contact type liquid level sensor.
4. The wind turbine tower top U-shaped tubular tilt angle sensor according to claim 1 or 2, wherein the number of the connecting vertical pipes is 4-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593088.7U CN211060905U (en) | 2019-09-24 | 2019-09-24 | U-shaped tubular tilt angle sensor on tower top of wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593088.7U CN211060905U (en) | 2019-09-24 | 2019-09-24 | U-shaped tubular tilt angle sensor on tower top of wind turbine generator system |
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| Publication Number | Publication Date |
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| CN211060905U true CN211060905U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921593088.7U Active CN211060905U (en) | 2019-09-24 | 2019-09-24 | U-shaped tubular tilt angle sensor on tower top of wind turbine generator system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492450A (en) * | 2022-10-26 | 2022-12-20 | 浙江新展通信技术有限公司 | Integrated camouflage type communication base station |
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2019
- 2019-09-24 CN CN201921593088.7U patent/CN211060905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492450A (en) * | 2022-10-26 | 2022-12-20 | 浙江新展通信技术有限公司 | Integrated camouflage type communication base station |
| CN115492450B (en) * | 2022-10-26 | 2023-08-11 | 浙江新展通信技术有限公司 | Integrated camouflage type communication base station |
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