CN115421162A - Floating type continuous wave laser wind finding radar device and system - Google Patents
Floating type continuous wave laser wind finding radar device and system Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The invention discloses a floating continuous wave laser wind finding radar device and a system, which comprises a laser wind finding radar module, a stable platform and a floating platform, wherein the stable platform comprises a base, a first adjusting ring and a second adjusting ring, the first adjusting ring is connected with the base through a first rotating shaft and can rotate around the first rotating shaft, the second adjusting ring is connected with the first adjusting ring through a second rotating shaft and can rotate around the second rotating shaft, the laser wind finding radar module is connected with the second adjusting ring through a third rotating shaft and can rotate around the third rotating shaft, the rotating direction of the laser wind finding radar module around the third rotating shaft is the same as the rotating direction of the first adjusting ring around the first rotating shaft, the rotating direction of the second adjusting ring around the second rotating shaft is vertical to the rotating direction of the first adjusting ring around the first rotating shaft, and the base is connected with the floating platform. High-precision wind speed measurement is realized.
Description
Technical Field
The invention relates to the technical field of offshore wind measurement, in particular to a floating continuous wave laser wind measurement radar device and system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The high-resolution, real-time and accurate wind measuring equipment is core equipment for wind resource assessment, power prediction, fan control and wind farm fine management of an offshore wind farm.
At present, offshore wind measurement is mainly carried out through a wind measurement laser radar, but the existing wind measurement laser radar generally adopts a pulse laser coherent Doppler technology, laser is modulated into a pulse form by the technology, radial wind speeds at different distances are distinguished by measuring Doppler frequency shifts of different time signals, in order to realize high-precision distinguishing detection, the modulation pulse width is generally designed to be about 100ns, emitted laser can be widened to a MHz level on a frequency domain under the limit of laser Fourier change, the Doppler frequency shift of a 1MHz signal corresponds to the wind speed change to be 1.55m/s @1550nm, wind measurement is carried out on a land fixed platform by generated errors, the precision can meet the requirement, but an offshore buoy is influenced by sea waves to swing continuously, even if an attitude correction device of the offshore platform is added, the data integrity rate and the efficiency and the wind measurement precision cannot meet the requirement of wind power prediction of a wind power plant.
Disclosure of Invention
In order to solve the problems, the invention provides a floating continuous wave laser wind-finding radar device and a floating continuous wave laser wind-finding radar system.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a floating type continuous wave laser wind finding radar device is provided, which comprises a laser wind finding radar module, a stable platform and a floating platform, wherein the stable platform comprises a base, a first adjusting ring and a second adjusting ring, the first adjusting ring is connected with the base through a first rotating shaft and can rotate around the first rotating shaft, the second adjusting ring is connected with the first adjusting ring through a second rotating shaft and can rotate around the second rotating shaft, the laser wind finding radar module is connected with the second adjusting ring through a third rotating shaft and can rotate around the third rotating shaft, the rotation direction of the laser wind finding radar module around the third rotating shaft is the same as the rotation direction of the first adjusting ring around the first rotating shaft, the rotation direction of the second adjusting ring around the second rotating shaft is perpendicular to the rotation direction of the first adjusting ring around the first rotating shaft, and the base is connected with the floating platform.
Furthermore, the first adjusting ring and the second adjusting ring are coaxially arranged.
Furthermore, a balancing weight is arranged on the laser wind measuring radar module.
Furthermore, laser wind finding radar module includes laser survey unit, angle gesture measuring unit, collection and control panel and shell, and laser survey unit, angle gesture measuring unit all are connected with collection and control panel, set up transparent window on the shell, and laser survey unit, collection and control panel all set up in the shell, and laser survey unit can carry out the wind speed through transparent window and measure, and angle gesture measuring unit installs on the shell.
Furthermore, the laser wind-finding radar module further comprises a power supply unit, and the power supply unit is connected with the laser measuring unit, the angle attitude measuring unit and the acquisition and control panel respectively.
Furthermore, a windshield wiper is arranged on the transparent window.
Furthermore, the laser measuring unit adopts a continuous wave laser coherent Doppler wind measuring radar.
Furthermore, the laser wind-measuring radar module is connected with the controller, and the controller is installed inside the floating platform.
Furthermore, the floating platform comprises a positioning anchor, a floating body and a floating barrel, the floating barrel is installed at the top end of the floating body, the bottom end of the floating body is connected with the positioning anchor, and the stable platform is installed on the floating barrel.
In a second aspect, a floating continuous wave lidar system is provided, which includes the floating continuous wave lidar device provided in the first aspect.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the stable platform is arranged between the laser wind-finding radar module and the floating platform, so that the horizontal stability of the laser wind-finding radar module under the influence of sea waves is ensured, and the accuracy of wind measurement is ensured.
2. According to the invention, a first adjusting ring of a stable platform is connected with a base through a first rotating shaft and can rotate around the first rotating shaft, a second adjusting ring is connected with the first adjusting ring through a second rotating shaft and can rotate around the second rotating shaft, a laser wind-measuring radar module is connected with the second adjusting ring through a third rotating shaft and can rotate around the third rotating shaft, the rotating direction of the laser wind-measuring radar module around the third rotating shaft is the same as that of the first adjusting ring around the first rotating shaft, the rotating direction of the second adjusting ring around the second rotating shaft is vertical to that of the first adjusting ring around the first rotating shaft, and when a floating platform is influenced by sea waves and is unstable, the laser wind-measuring radar module drives the first adjusting ring and the second adjusting ring to rotate under the action of self-weight, so that the stability of the laser wind-measuring radar module is ensured, and the accuracy of wind measurement is further ensured.
3. According to the invention, the balancing weight is arranged on the laser wind finding radar module, so that the stability of the laser wind finding radar module is further improved, and the wind finding precision is effectively ensured.
4. The laser measurement module adopts a continuous wave laser coherent Doppler wind measuring radar, has high spatial resolution and can realize high-precision and long-distance wind speed measurement.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view showing the overall structure of the apparatus disclosed in example 1;
FIG. 2 is a front view of the device disclosed in example 1;
FIG. 3 is a schematic structural diagram of the stabilization platform disclosed in example 1;
fig. 4 is the stability performance simulation result of the disclosed stable platform of example 1.
Wherein: 1. laser wind finding radar module, 2, stabilized platform, 3, floating platform, 4, transparent window, 5, angle attitude measurement unit, 6, signal line, 7, control box, 8, base, 9, first adjusting ring, 10, second adjusting ring, 11, floating body, 12, flotation pontoon, 13, solar cell panel.
Detailed Description
The invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like should be understood broadly, and mean that they may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
Example 1
In order to improve the accuracy of offshore wind finding, in this embodiment, a floating continuous wave lidar device is disclosed, as shown in fig. 1 and 2, comprising a lidar module 1, a stabilizing platform 2 and a floating platform 3.
The laser wind-finding radar module 1 outputs wind-finding data, and the wind-finding data comprises information such as radial wind speed, measuring time, measuring angle, angle of the laser wind-finding radar module 1, system state and the like.
Specifically, laser wind finding radar module 1 includes laser survey unit, angle gesture measuring unit, gather and the control panel, power supply unit and shell, laser survey unit, angle gesture measuring unit 5 all is connected with gathering and the control panel, set up transparent window 4 on the shell, laser survey unit, gather and the control panel all sets up in the shell, laser survey unit can carry out the wind speed through transparent window 4 and measure, angle gesture measuring unit 5 is installed on the shell, power supply unit respectively with laser survey unit, angle gesture measuring unit 5, gather and the control panel is connected, for laser survey unit, angle gesture measuring unit 5, gather and the control panel power supply.
The transparent window 4 is provided with a windshield wiper, the transparent window 4 is cleaned through the windshield wiper, and it is ensured that the laser measuring unit can measure the wind speed through the transparent window 4.
The laser measuring unit adopts a continuous wave laser coherent Doppler wind measuring radar, has high spatial resolution and can realize high-precision and long-distance wind speed measurement.
The continuous wave laser coherent Doppler wind measuring radar comprises a coherent detection module, a continuous wave laser speed measuring module, an optical focusing mechanism, a transmitting-receiving optical and optical machine scanning mechanism, and is used for completing the measurement of the wind speed component at the specified height and direction.
The optical focusing mechanism is used for scanning the distance, a focusing motor is arranged in the optical focusing mechanism, and the optical focusing mechanism is controlled to focus through the focusing motor; the optical machine scanning mechanism is used for scanning the angle, a scanning motor is arranged in the optical machine scanning mechanism, and the scanning angle of the optical machine scanning mechanism is controlled through the scanning motor, so that the laser measuring unit can be more flexibly adapted to a floating motion mode at sea.
The range scan rate is 3 to 5Hz, i.e. 3 to 5 range scan cycles are performed per second, each range scan cycle containing more than (2 layers of height) measurement points. The scanning motor is controlled in a distance closed-loop control mode to realize variable-speed scanning, the focusing motor is controlled by a voice coil motor or piezoelectric control, each data acquisition period is 10ms, wherein 7ms is used for adjusting the focal length by the movement of the focusing motor, 3ms is static, and the focal length is fixedly used for data acquisition. The optical focusing mechanism comprises a linear motor, a high-precision linear grating ruler (main line grating assembly), a workbench and a guide rail, wherein the high-precision linear grating ruler is fixed on a rotor of the linear motor and can move along with the rotor, the high-precision linear grating ruler is also connected with the workbench, and the workbench is also connected with the guide rail in a sliding manner and can move along the guide rail. The guide rail is used for guiding the movement of the high-precision linear grating ruler, and when the linear motor moves, the high-precision linear grating ruler is driven to move along the guide rail to perform focusing.
The angle scanning adopts a continuous rotation mode, in order to meet the accuracy index of wind speed and wind direction measurement, the angle scanning speed is not lower than 0.75 r/s (0.75-1 r/s), and the angle scanning speed rotates by 0.4-0.54 degrees in total within the data acquisition time (3 ms), so that the current wind direction accuracy measurement requirement is met. The method for improving the directional resolution comprises the following steps: the accumulated times in the acquisition process are reduced, and the data acquisition time is shortened. The optical machine scanning mechanism comprises a scanning mirror, a high-precision grating encoder and a scanning motor, wherein the scanning mirror is connected with the scanning motor and is driven to rotate by the scanning motor, the normal line of the scanning mirror and the scanning rotating shaft are 14 degrees, the rotating shaft of the scanning mirror and the central shaft of the lens are 135 degrees, the scanning mirror is driven to rotate by the scanning motor, and the scanning angle is adjusted.
The continuous wave laser speed measuring module has increased power control function, adopts low power transmission under good signal condition, and adopts high power transmission under long distance and low atmospheric transmittance.
The angle attitude measurement unit 5 acquires attitude data of the laser wind-measuring radar module 1, and is used for later wind speed inversion and correction.
The laser wind radar module 1 is arranged in an integral sealing mode, the shell is designed to be waterproof, sun-proof, salt fog-proof and hail-resistant, and the angle and attitude measurement unit 5 is installed outside the shell and protected from water and sun.
The laser wind-finding radar module 1 is also connected with a controller, the controller is arranged in a control box 7, and the control box 7 is arranged in the floating platform 3.
Specifically, a power module is further arranged in the control box 7, and the power module is connected with the controller and the power supply unit and supplies power to the controller and the power supply unit.
In order to reduce the inclination of the laser wind-measuring radar module caused by sea waves and further solve the problems of incomplete and inaccurate wind-measuring data, a stable platform 2 is arranged, as shown in fig. 3, the laser wind-measuring radar module comprises a base 8, a first adjusting ring 9 and a second adjusting ring 10, the first adjusting ring 9 is connected with the base 8 through a first rotating shaft and can rotate around the first rotating shaft, the second adjusting ring 10 is connected with the first adjusting ring 9 through a second rotating shaft and can rotate around the second rotating shaft, the laser wind-measuring radar module 1 is connected with the second adjusting ring 10 through a third rotating shaft and can rotate around the third rotating shaft, the rotation direction of the laser wind-measuring radar module 1 around the third rotating shaft is the same as the rotation direction of the first adjusting ring 9 around the first rotating shaft, the rotation direction of the second adjusting ring 10 around the second rotating shaft is perpendicular to the rotation direction of the first adjusting ring 9 around the first rotating shaft, and the base 8 is connected with the floating platform 3.
Under the influence of sea waves, the first adjusting ring 9 and the second adjusting ring 10 rotate by utilizing self weight and inertia, the inclination angle of the laser wind-measuring radar module 1 is reduced, the horizontal stability of the laser wind-measuring radar module 1 is ensured, the inclination of a floating platform caused by the sea waves is reduced, and the integrity and the accuracy of wind-measuring data are improved.
When the laser wind-measuring radar module is specifically implemented, the first adjusting ring 9 and the second adjusting ring 10 are coaxially arranged, the two ends of the first adjusting ring 9 are connected with the base 8 through the first rotating shaft, the two ends of the second adjusting ring 10 are connected with the first adjusting ring 9 through the second rotating shaft, the two ends of the laser wind-measuring radar module 1 are connected with the second adjusting ring 10 through the third rotating shaft, and the stability of the first adjusting ring 9, the second adjusting ring 10 and the laser wind-measuring radar module 1 is guaranteed.
The first rotating shaft is connected with a first adjusting ring 9 and a base 8 through a bearing; the second rotating shaft is connected with the first adjusting ring 9 and the second adjusting ring 10 through bearings; the third rotating shaft is connected with the second adjusting ring 10 and the laser wind-measuring radar module 1 through bearings. The first adjusting ring 9 and the second adjusting ring 10 are ensured to rotate reliably through bearings.
Carry out the emulation verification to the disclosed stable platform 2 of this embodiment, the inclination of setting is more than 30, and the swing that exceeds 5 is the compound pendulum, can not simplify to simple harmonic motion, for optimizing effect, has increased balancing weight regulation design, with balancing weight and the integrative installation of laser anemometry radar module 1, has increased the stability ability to under the wide-angle slope condition, the emulation result is as shown in fig. 4.
In order to improve the sensitivity of the adjustment of the stabilized platform 2, a balancing weight is arranged on the laser wind radar module 1, and the sensitivity of the adjustment of the stabilized platform 2 is improved through the balancing weight.
The simulation verification is performed on the stabilization platform 2 disclosed in the present embodiment,
the base 8 is bolted to the flotation platform 3.
The floating platform 3 comprises a positioning anchor, a floating body 11 and a floating body 12, wherein the top end of the floating body 11 is provided with the floating body 12, the bottom end of the floating body 11 is connected with the positioning anchor, and the floating body 12 is provided with the stable platform 2.
The floating body 11 is a polymer hollow cylinder structure and can float on the sea surface.
In specific implementation, the floating bodies 11 are a plurality of hollow polymer cylinder structures, preferably four floating bodies, and each floating body is a 1/4 fan-shaped hollow polymer cylinder structure.
A control box 7 is installed in the hollow structure inside the floating body 11, a solar cell panel 13 is arranged at the top of the floating body 1, and the solar cell panel 13 is connected with a power module in the control box 7 to supply power for the power module.
The power module comprises a fuel cell and a plurality of storage batteries, each storage battery works independently, the failure of any storage battery is guaranteed not to affect the work of other storage batteries, the storage batteries provide power for the whole device, the fuel cell can be used as a standby power supply, and the whole device can still run under the conditions of no wind and no light.
Preferably, the control box 7 is connected with the laser wind-measuring radar module 1 through the signal line 6, the control box 7 has waterproof sealing performance, the control box 7 is installed at the inner side of the center of the floating body 1, the outer sides of the storage battery cabin and the fuel battery cabin are wrapped with the sealing cabin, the storage battery cabin and the fuel battery cabin are sealed and waterproof through the sealing cabin, the phenomenon that the work of the storage battery cabin and the fuel battery cabin is affected by water leakage is avoided, and the 365-day maintenance-free power supply requirement is met.
The number of the solar cell panels 13 is multiple, the solar cell panels are uniformly distributed on the top of the floating body, and each solar cell panel is connected with the power supply module.
The bottom of the floating body 11 is connected to a set anchor for connection to the sea floor, thereby fixing the wind measuring radar apparatus disclosed in this embodiment.
The floating bodies 11 and the floating pontoons 12 can float on the sea surface, and it should be noted that the floating bodies can float on the sea surface means that at least the top ends of the floating bodies are exposed out of the sea surface, and the floating pontoons can be exposed out of the sea surface integrally through the buoyancy of the sea water.
The positioning anchor comprises a plurality of steel cables, and the floating body is limited in a set area through the steel cables.
The stabilized platform 2 is installed on the flotation pontoon, provide stable support for laser wind finding radar module 1 through stabilized platform 2, stabilized platform 2's main effect is offset because the various motions of body 1 and flotation pontoon 2 that the wave arouses, guarantee that laser wind finding radar module 1 can keep the level always, supplementary laser wind finding radar module 1 obtains vertical ascending measuring environment for the sampling point of the 1 anemometry of laser wind finding radar module is not more than 5 for the angle of inclination swing of horizontal plane.
In addition, the disclosed formula continuous wave laser anemometry radar installations of this embodiment still includes meteorological sensor, big dipper GPS orientation module, camera, AIS, siren, warning fairway buoy and navigation mark lamp, and big dipper GPS orientation module and satellite positioning system are connected, and meteorological sensor, camera, AIS, siren, anemometry system all are connected with the controller.
The controller and the satellite positioning system are both installed in the control box 7.
Preferably, the meteorological sensor adopts an integrated meteorological sensor and is used for collecting wind speed and direction, atmospheric pressure, atmospheric temperature and atmospheric humidity at sea level, and collected data are transmitted to the controller.
The alarm adopts an acousto-optic short-distance alarm.
The disclosed wind measuring radar device of this embodiment still sets up a plurality of crashproof cushions in the body outside.
The laser wind-finding radar module 1 is added with a power control function, adopts low-power transmission under the condition of good signals, adopts high-power transmission under the conditions of long distance and low atmospheric transmittance, considers low energy consumption and large dynamic range observation, and can realize automatic switching of detection heights under different interference conditions and extreme weather conditions, thereby ensuring the data acquisition rate and integrity.
The controller comprises an integrated design of a platform control module, a data acquisition and storage module and a remote communication module, and has expandability. The platform control module comprises a continuous wave coherent Doppler signal data processing technology, can convert echo coherent data acquired by a laser measurement unit into wind field information data, can extract multi-parameter information except for core inversion algorithm research to provide platform attitude data for system correction, and is beneficial to fully utilizing acquired echo data to realize weak signal processing and efficient utilization.
The remote communication module integrates satellite, 4G/5G and other communication technologies, modular matching and real-time data transmission are achieved, the controller is connected with the remote terminal through the remote communication module, and data obtained by the controller are transmitted to the remote terminal to be displayed and stored. And laser radar management software is also arranged in the remote terminal, and the subsequent data management and statistical analysis are carried out through the laser radar management software.
Various parts of the floating continuous wave laser wind finding radar device disclosed by the embodiment are made of novel waterproof, salt mist-proof and corrosion-proof materials, and the floating continuous wave laser wind finding radar device is used for solving the problems of water, salt mist and corrosion prevention of a hardware system in a severe offshore environment, and prolonging the maintenance period and the service life of the system.
The wind speed measurement with high precision and long distance is realized by carrying the continuous wave laser coherent Doppler wind finding radar, and the wind speed measurement device has high spatial resolution.
According to the invention, the stable platform is arranged between the laser wind-measuring radar module and the floating platform, so that the horizontal stability of the laser wind-measuring radar module under the influence of sea waves is ensured, and the accuracy of wind measurement is ensured.
Example 2
In this embodiment, a floating continuous wave lidar device disclosed in embodiment 1 is disclosed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. The floating continuous wave laser wind finding radar device is characterized by comprising a laser wind finding radar module, a stable platform and a floating platform, wherein the stable platform comprises a base, a first adjusting ring and a second adjusting ring, the first adjusting ring is connected with the base through a first rotating shaft and can rotate around the first rotating shaft, the second adjusting ring is connected with the first adjusting ring through a second rotating shaft and can rotate around the second rotating shaft, the laser wind finding radar module is connected with the second adjusting ring through a third rotating shaft and can rotate around the third rotating shaft, the rotating direction of the laser wind finding radar module around the third rotating shaft is the same as the rotating direction of the first adjusting ring around the first rotating shaft, the rotating direction of the second adjusting ring around the second rotating shaft is perpendicular to the rotating direction of the first adjusting ring around the first rotating shaft, and the base is connected with the floating platform.
2. The floating continuous wave laser wind finding radar apparatus according to claim 1 wherein the first adjusting ring is coaxially disposed with the second adjusting ring.
3. The floating continuous wave lidar device of claim 1, wherein a weight is disposed on the lidar module.
4. The floating continuous wave lidar device of claim 1, wherein the lidar module comprises a laser measuring unit, an angular attitude measuring unit, a collecting and controlling board, and a housing, wherein the laser measuring unit and the angular attitude measuring unit are connected to the collecting and controlling board, a transparent window is formed in the housing, the laser measuring unit and the collecting and controlling board are disposed in the housing, the laser measuring unit is capable of measuring wind speed through the transparent window, and the angular attitude measuring unit is mounted on the housing.
5. The floating continuous wave lidar device of claim 4, wherein the lidar module further comprises a power supply unit, and the power supply unit is connected to the laser measuring unit, the angular attitude measuring unit, and the acquisition and control board, respectively.
6. The floating continuous wave laser wind finding radar apparatus according to claim 4 wherein the transparent window has wipers.
7. The floating continuous wave lidar apparatus of claim 4, wherein the laser measurement unit is a continuous wave laser coherent Doppler wind radar.
8. The floating continuous wave lidar device of claim 1, wherein the lidar module is coupled to a controller, the controller being mounted within the floating platform.
9. The floating continuous wave laser wind finding radar apparatus as claimed in claim 1, wherein the floating platform includes positioning anchors, floating bodies and floating pontoons, the floating pontoons are installed on the top ends of the floating bodies, the positioning anchors are connected to the bottom ends of the floating bodies, and the stable platform is installed on the floating pontoons.
10. A floating continuous wave lidar system comprising a floating continuous wave lidar apparatus according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211261.9A CN115421162A (en) | 2022-09-30 | 2022-09-30 | Floating type continuous wave laser wind finding radar device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211211261.9A CN115421162A (en) | 2022-09-30 | 2022-09-30 | Floating type continuous wave laser wind finding radar device and system |
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| CN113985446A (en) * | 2021-10-11 | 2022-01-28 | 中国华能集团清洁能源技术研究院有限公司 | Wind speed measuring device and wind radar |
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