CN212301892U - Marine scanning formula laser radar wind measuring device - Google Patents
Marine scanning formula laser radar wind measuring device Download PDFInfo
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- CN212301892U CN212301892U CN202020923716.XU CN202020923716U CN212301892U CN 212301892 U CN212301892 U CN 212301892U CN 202020923716 U CN202020923716 U CN 202020923716U CN 212301892 U CN212301892 U CN 212301892U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a marine scanning type laser radar wind measuring device, which comprises a tower climbing operation platform, a slide rail, a bracket, a radar cabin, a scanning type laser radar wind measuring instrument, a control system and a power system; the scanning type laser radar wind meter and the control system are arranged in the radar cabin, the power system is arranged on the radar cabin, and the output end of the power system is connected with the slide rail; the annular slide rail is erected by depending on an existing tower climbing operation platform at the bottom of a tower barrel of an offshore wind turbine generator system, and a cabin provided with a scanning type laser radar wind meter moves on the slide rail through a roller at the tail end of a support, so that the laser radar can measure wind speed and wind direction of spaces with different heights in a 360-degree range, and is not influenced by fixed orientation of the cabin and tower shadow effect of the tower barrel and vibration and shaking of a wind turbine cabin.
Description
Technical Field
The utility model belongs to the technical field of marine wind power, concretely relates to marine scanning formula laser radar wind measuring device.
Background
With the development of the measurement technology, new wind speed and direction measurement methods are emerging continuously. The IEC releases a new IEC61400-12-1 standard in 2017, approves a wind speed result measured by the ground-based laser radar, and provides specific regulations for mutual verification of the measurement result of the ground-based laser radar and the anemometer tower.
The offshore environment is severe and complex, and only the wind generating set can be used as a support for placing the laser radar under the condition of no fixed ground. According to the placement position, the laser radar of the offshore wind turbine can be divided into the laser radar arranged at the top of the cabin and the laser radar arranged on the wind turbine foundation. The laser radar arranged at the top of the fan emits horizontal laser, so that the wind speed change in the height range of the hub of the fan can be measured, but due to the influence of vibration of the engine room, the precision of a measuring result is influenced to a certain extent, only the incoming flow direction can be observed, and the observation range is narrow. The laser radar arranged on the fan foundation emits laser within a certain angle range of a vertical plane, so that the wind speed change of different vertical heights can be measured, and the fan foundation is not easy to shake by a fan, so that the laser radar is high in measurement accuracy and large in measurement range. However, the laser radar often needs to be placed on an operation platform, occupies a small operation space, and cannot measure the incoming flow wind condition of the rear tower in the direction due to the fact that the radar is fixedly placed and is affected by the tower shadow effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a marine scanning formula lidar wind measuring device utilizes offshore wind turbine to land operation platform and sets up the removal slide rail, and scanning formula lidar places and removes along the slide rail in small-size cabin, can measure 360 different vertical heights's wind speed change, and does not receive fan vibrations, adverse weather environment and tower shadow effect influence.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the offshore scanning type laser radar wind measuring device comprises a tower-climbing operation platform, a slide rail, a bracket, a radar cabin, a scanning type laser radar wind measuring instrument, a control system and a power system; the scanning type laser radar wind meter and the control system are arranged in the radar cabin, the power system is arranged on the radar cabin, and the output end of the power system is connected with the slide rail; the scanning type laser radar wind meter is connected with the input end of the control system, and the output end of the control system is connected with the control signal input end of the power system; the control system is connected with the fan unit control system through an I/O interface; the electric energy input ends of the control system, the power system and the scanning type laser radar wind meter are connected with the electric energy output end of the fan power generation system.
The power system comprises a support, one end of the support is connected with the radar cabin, the other end of the support is provided with a roller, a sliding groove is formed in the sliding rail, the roller is arranged in the sliding groove, the roller is connected with a driving mechanism, and the power control signal input end of the driving mechanism is connected with the output end of the control system.
When the slide rail sets up the tower operation platform below, the support is cantilever structure, and the gyro wheel setting is in the upper end of support.
When the slide rail sets up and is climbing tower operation platform top, the support adopts bearing structure, and the gyro wheel setting is at the lower extreme of support, and the below of slide rail sets up a plurality of slide rail fixed bolsters along a week of climbing tower operation platform, and the slide rail is connected with slide rail fixed bolster top.
The slide rail is 1 ~ 3, slide rail and the adoption of ascending a tower operation platform weld or bolted connection.
The outer surfaces of the radar cabin, the bracket and the slide rail are all provided with corrosion-resistant layers.
The radar cabin is also provided with a storage battery and a dehumidifying and heating device, the output end of the storage battery is connected with the control system, the power system and the electric energy input end of the scanning laser radar wind meter, and the input end of the storage battery is connected with the output end of the fan power generation system; the electric energy input end of the dehumidifying and heating device is connected with the electric energy output end of the fan power generation system.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model discloses a marine scanning type laser radar wind measuring device, a circular slide rail is erected by a tower-climbing operation platform at the bottom of a tower barrel of an offshore wind turbine unit, the slide rail is connected with a radar cabin, a scanning type laser radar wind measuring instrument is placed in the radar cabin, the radar cabin can move along the slide rail on a circumferential plane where the slide rail is positioned, the scanning type laser radar wind measuring instrument in the cabin can transmit and receive laser signals in a certain angle range, and wind speed and wind direction of 360-degree spaces with different vertical heights are measured by utilizing laser Doppler effect, a control system can control the angle and the distance of the radar cabin moving along the slide rail according to the measured wind direction, the accuracy of the laser radar to wind is ensured, a wind measuring radar platform is not required to be newly built, a fan structure is not damaged, the wind speed and the wind direction can be automatically measured by the laser radar, the wind measurement system is not influenced by the orientation of a cabin and severe weather, avoids the tower shadow effect of a tower drum, realizes initiative and accuracy of wind measurement, can transmit a wind measurement result to a fan control system, realizes the feedforward control of wind conditions of the fan, improves the generated energy, and has good economic benefit and application prospect.
Drawings
Fig. 1 is a schematic side view of the structure of embodiment 1 of the present invention;
fig. 2 is a schematic top view of the structure of embodiment 1 of the present invention;
fig. 3 is a schematic side view of the structure of embodiment 2 of the present invention;
fig. 4 is a schematic top view of the structure of embodiment 2 of the present invention;
in the figure: 1-a fan tower cylinder, 2-a tower climbing operation platform, 3-a slide rail, 4-a support, 5-a radar cabin, 6-a scanning laser radar anemoscope and 7-a slide rail support.
Detailed Description
The present invention will be explained in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the marine scanning lidar wind measuring device comprises a tower-climbing operation platform 2, a slide rail 3, a support 4, a radar cabin 5, a scanning lidar wind meter 6, a control system and a power system; the sliding rail 3 is arranged on the tower climbing operation platform 2, the sliding rail 3 is annular and concentric with the fan tower barrel 1, the scanning type laser radar wind meter 6 is arranged in the radar cabin 5, one surface of the radar cabin 5, which is far away from the fan tower barrel 1, is open, the scanning type laser radar wind meter 6 and the control system are arranged in the radar cabin 5, the power system is arranged on the radar cabin 5, and the output end of the power system is connected with the sliding rail 3; the scanning type laser radar wind meter 6 is connected with the input end of the control system, and the output end of the control system is connected with the control signal input end of the power system; the control system is connected with the fan unit control system through an I/O interface; the electric energy input ends of the control system, the power system and the scanning type laser radar wind meter 6 are connected with the electric energy output end of the fan power generation system.
The driving system comprises a support 4, one end of the support 4 is connected with a radar cabin 5, the other end of the support 4 is provided with a roller, a sliding groove is formed in the sliding rail 3, the roller is arranged in the sliding groove, the roller is connected with a driving mechanism, and the power control signal input end of the driving mechanism is connected with the output end of the control system.
The control system and the power system are respectively connected with the fan system through a control cable and a power cable, so that data sharing and power transmission are realized.
The slide rail 3 is arranged above or below the tower climbing operation platform 2; when the slide rail 3 is arranged above the tower-climbing operation platform 2, the bracket 4 supports the radar cabin 5, and the slide rail 3 is fixedly connected to the tower-climbing operation platform 2 through the slide rail bracket 7 or directly; the sliding rail 3 is connected with the radar cabin 5 through a support 4, and when the sliding rail 3 is arranged below the tower climbing operation platform 2, the support 4 is of a cantilever structure and suspends the radar cabin 5;
optionally, one end of the support 4 connected with the slide rail 3 is of a roller structure, the roller rolls along the slide rail 3 to guide the support 4 and the connected radar cabin 5 to move, the roller is connected with the output end of a driving motor, the driving motor is arranged on the support 4, the control input end of the driving motor is connected with the output end of a control system, and the scanning type laser radar wind meter 6 is connected with the input end of the control system; the electric energy output end of the generator of the fan is connected with the electric energy input end of the driving motor.
Optionally, when the slide rail 3 is arranged below the tower-climbing operation platform 2, the support 4 is of a cantilever structure, the rollers are arranged at the upper end of the support 4, the slide rail 3 is provided with 1 roller, the support 4 is provided with at least one roller, and the rollers are arranged in the sliding grooves on the slide rail 3.
Preferably, the connecting mode of the slide rail 3 and the tower climbing operation platform 2 adopts a welding mode, and the welding process can reduce connecting gaps among components and improve the corrosion resistance in a seawater corrosion environment.
The number of the sliding rails 3 is 1-3.
The lowest point of the radar cabin is higher than the historical highest tide level, so that the system is guaranteed not to be immersed in water, and the reliability of the system is improved.
The control system is provided with a data memory, so that the wind measuring data in a period of time can be automatically stored, and later-period viewing and analysis are facilitated.
Set up dehumidification heating device in the radar cabin, fan power generation system provides electric power, prevents that the cabin is interior because of the too big influence laser radar of humidity and other systems normal work.
The outer surfaces of the radar cabin, the support, the sliding rail and the system equipment parts are all provided with corrosion-resistant layers, so that equipment corrosion is prevented.
Optionally, radar cabin 5 is hexahedron cubic structure, and five sealed faces are opened towards the slide rail place circumference outside one side for get and put cabin interior equipment and be convenient for laser radar transmission and receive laser signal.
The scanning type laser radar anemoscope can transmit and receive laser signals to a space with a horizontal elevation angle of 0-60 degrees, and measures wind speed and wind direction.
During monitoring, the speed of the radar cabin 5 moving along the sliding rail 3 does not exceed 1 m/s.
And the control system controls the wind measurement of the scanning type laser radar wind meter according to the measurement result of the scanning type laser radar wind meter and the angle and speed of the cabin moving along the circumference according to the wind direction and wind speed change.
The control system is connected with an I/O interface of the fan unit control system through a control cable, and sharing of wind measurement data is achieved.
And the power system is used for providing power for the scanning type laser radar wind meter and the control system and driving the cabin to move along the sliding rail according to the instruction of the control system.
The power system is connected with the offshore wind turbine power generation system through a power cable and is powered by the electric power generated by the wind turbine; the power system is provided with a storage battery, the storage battery is charged by using the electric power of the fan, and the storage battery discharges when the fan stops running to supply power for the scanning type laser radar wind meter and the control system.
The power system comprises a controller, a driving motor and a roller, wherein the controller is connected with a control signal input end of the driving motor, and the roller is connected with an output shaft of the driving motor.
Optionally, the power system includes a controller, a driving motor, a roller and a driving wheel, the controller is connected to a control signal input end of the driving motor, the driving wheel is connected to an output shaft of the driving motor, a wheel shaft of the roller is provided with a transmission belt wheel, and the transmission belt wheel is connected to the driving wheel through a transmission belt.
The invention will be described in further detail with reference to the following drawings and specific examples, which are intended to illustrate and not to limit the invention:
example 1
As shown in fig. 1 and fig. 2, the marine scanning lidar wind measuring device of the present invention comprises a fan tower 1, a tower-climbing operation platform 2, a slide rail 3, a support 4, a radar cabin 5, a scanning lidar wind measuring instrument 6, a control system and a power system; the slide rail 3 is welded below the tower climbing operation platform 2, one slide rail 3 is arranged, and one support 4 is arranged; the bracket 4 is of a cantilever structure, and the radar cabin 5 is suspended on the sliding rail 3 through the bracket 4; the slide rail 3, the bracket 4 and the radar cabin 5 form a structural form similar to a mountain climbing cable car. The radar chamber 5 has a square shape of 2m × 2m × 2m in size. The scanning type laser radar wind meter 6, the control system and the power system are arranged in the radar cabin and are fixed by the fixing device. The radar cabin 5 together with the carriage 4 move along the sliding rail 3 on the circumference of the sliding rail. The scanning type laser radar wind meter can transmit and receive laser signals to the range of 0-60 degrees of horizontal elevation, and wind speed and wind direction measurement is carried out by utilizing the Doppler effect. The control system can analyze the result of the scanning type laser radar anemoscope, judge the wind direction and the wind speed change, transmit signals to the fan control system, pre-judge the angle of the cabin moving along the circumference according to the wind direction change and adjust the anemometry of the scanning type laser radar anemoscope. And the power system is used for providing power for the radar cabin 5 and driving the cabin to move along the sliding rail according to the command of the control system. The power system is connected with the offshore wind turbine power generation system through a cable and is powered by the wind turbine power generation system. The radar cabin 5 is also provided with a storage battery, the storage battery is charged by using a fan power generation system, and the storage battery is discharged when a fan stops running and supplies power for the scanning type laser radar wind meter and the control system.
Example 2
Like fig. 3, fig. 4, the utility model discloses a marine scanning formula lidar wind measuring device, include fan tower section of thick bamboo 1, step on tower operation platform 2, slide rail 3, support 4, radar cabin 5, scanning formula lidar anemoscope 6, slide rail fixed bolster 7 and control system, driving system. Slide rail 3 is in 2 tops of ascending a tower operation platform, and the welding of slide rail 3 is on slide rail fixed bolster 7, and the welding of slide rail fixed bolster 7 is on ascending a tower operation platform 2, and slide rail fixed bolster 7 sets up 20 around 2 a week of ascending a tower operation platform, braced system weight to keep the system stable, slide rail 3 is total two, and support 4 sets up two. The sliding rail 3 is in an I-shaped steel rail shape, the lower end of the support 4 is provided with a roller which is matched with the sliding rail 3, the roller rolls along the sliding rail 3, and the upper end of the support 4 is connected with the radar cabin 5; the radar chamber 5 has a square shape of 2m × 2m × 2m in size. The scanning type laser radar wind meter 6, the control system and the power system are arranged in the radar cabin and are fixed in the radar cabin by fixing devices. The radar cabin 5 together with the carriage 4 can be moved along the sliding rail 3 on the circumference of the sliding rail. The scanning type laser radar wind meter can transmit and receive laser signals to the range of 0-60 degrees of horizontal elevation, and wind speed and wind direction measurement is carried out by utilizing the Doppler effect. The control system can analyze the result of the scanning type laser radar anemoscope, judge the wind direction and the wind speed change, transmit signals to the fan control system, pre-judge the angle of the cabin moving along the circumference according to the wind direction change and adjust the anemometry of the scanning type laser radar anemoscope. And the power system is used for providing power for the scanning type laser radar wind meter and driving the cabin to move along the sliding rail according to the instruction of the control system. The power system is connected with the offshore wind turbine power generation system through a cable and is powered by the wind turbine power generation system. And a storage battery is also arranged in the radar cabin 5, the storage battery is charged by using a fan power generation system, and the storage battery discharges when a fan stops running and supplies power for the scanning type laser radar wind meter and the control system.
Effect verification:
adopt the utility model discloses a behind the marine scanning formula laser radar wind measuring device, can realize laser radar to the not autonomic measurement of co-altitude space wind speed, wind direction of 360 within ranges, not influenced by the tower shadow effect of the fixed orientation in cabin and a tower section of thick bamboo. The laser radar is located at the bottom of the fan tower barrel and is not affected by vibration of a fan cabin and unit shaking of a fan caused by strong wind. The laser radar is arranged in a semi-closed space and is not influenced by severe weather such as wind, rain, thunderstorm and the like. The advantages realize the initiative and the accuracy of wind measurement, transmit the wind measurement result to the fan control system, realize the feedforward control of the wind condition of the fan and improve the generated energy.
It should be noted that the above description is only one of the embodiments of the present invention, and all equivalent changes made by the system described in the present invention are included in the protection scope of the present invention. The technical field of the present invention can be replaced by other embodiments described in a similar manner, without departing from the structure of the present invention or exceeding the scope defined by the claims, which belong to the protection scope of the present invention.
Claims (9)
1. A marine scanning type laser radar wind measuring device is characterized by comprising a tower climbing operation platform (2), a slide rail (3), a support (4), a radar cabin (5), a scanning type laser radar wind meter (6), a control system and a power system; the sliding rail (3) is arranged on the tower climbing operation platform (2), the sliding rail (3) is in a circular ring shape and is concentric with the fan tower barrel (1), the scanning type laser radar wind meter (6) is arranged in the radar cabin (5), one surface of the radar cabin (5) far away from the fan tower barrel (1) is open, the scanning type laser radar wind meter (6) and the control system are arranged in the radar cabin (5), the power system is arranged on the radar cabin (5), and the output end of the power system is connected with the sliding rail (3); the scanning type laser radar wind meter (6) is connected with the input end of the control system, and the output end of the control system is connected with the control signal input end of the power system; the control system is connected with the fan unit control system through an I/O interface; the electric energy input ends of the control system, the power system and the scanning type laser radar wind meter (6) are connected with the electric energy output end of the fan power generation system.
2. The marine scanning lidar wind measuring device of claim 1, wherein the power system comprises a bracket (4), one end of the bracket (4) is connected with the radar cabin (5), the other end of the bracket (4) is provided with a roller, a sliding groove is formed in the sliding rail (3), the roller is arranged in the sliding groove, the roller is connected with a driving mechanism, and the power control signal input end of the driving mechanism is connected with the output end of the control system.
3. Marine scanning lidar wind finding device according to claim 1, wherein the skid rails (3) are arranged above or below the tower-climbing work platform (2).
4. Marine scanning lidar wind finding device according to claim 1, characterized in that the support (4) is of a cantilever structure and the roller is arranged at the upper end of the support (4) when the sliding rail (3) is arranged below the tower-climbing work platform (2).
5. The marine scanning lidar wind measuring device according to claim 1, wherein when the slide rail (3) is disposed above the tower-climbing operation platform (2), the support (4) adopts a supporting structure, the roller is disposed at the lower end of the support (4), a plurality of slide rail fixing supports (7) are disposed along a circumference of the tower-climbing operation platform (2) below the slide rail (3), and the slide rail (3) is connected with the top ends of the slide rail fixing supports (7).
6. The marine scanning lidar wind measuring device of claim 1, wherein the number of the sliding rails (3) is 1-3.
7. Marine scanning lidar wind finding device according to claim 1, wherein the skid rails (3) are welded or bolted to the tower-climbing work platform (2).
8. Marine scanning lidar wind finding device according to claim 1, wherein the radar chamber (5), the support (4) and the outer surface of the slide rail (3) are provided with corrosion resistant layers.
9. The marine scanning lidar wind measuring device of claim 1, wherein a storage battery and a dehumidifying and heating device are further arranged in the radar chamber (5), the output end of the storage battery is connected with the control system, the power system and the electric energy input end of the scanning lidar wind measuring instrument (6), and the input end of the storage battery is connected with the output end of the fan power generation system; the electric energy input end of the dehumidifying and heating device is connected with the electric energy output end of the fan power generation system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020923716.XU CN212301892U (en) | 2020-05-27 | 2020-05-27 | Marine scanning formula laser radar wind measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020923716.XU CN212301892U (en) | 2020-05-27 | 2020-05-27 | Marine scanning formula laser radar wind measuring device |
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| CN212301892U true CN212301892U (en) | 2021-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487640A (en) * | 2020-05-27 | 2020-08-04 | 华能灌云清洁能源发电有限责任公司 | Marine scanning type laser radar wind measuring device and method |
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2020
- 2020-05-27 CN CN202020923716.XU patent/CN212301892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487640A (en) * | 2020-05-27 | 2020-08-04 | 华能灌云清洁能源发电有限责任公司 | Marine scanning type laser radar wind measuring device and method |
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