1. A wind, wave and current coupling observation system is characterized by comprising a wind observation system (3), an ocean current observation system (4), a wave observation system (5) and a data acquisition and storage system (6); the data acquisition and storage system (6) is in communication connection with the wind observation system (3), the ocean current observation system (4) and the wave observation system (5) in a wired or wireless mode, and the data acquisition and storage system (6) is used for receiving and storing wind speed and wind direction data in the wind observation system (3), flow speed and flow direction data in the ocean current observation system (4) and wave height and wave motion tracks in the wave observation system (5) in real time or periodically and sending required data to a user.

2. The wind, wave and flow coupled observation system according to claim 1, wherein communication modules are arranged in the wind observation system (3), the ocean current observation system (4), the wave observation system (5) and the data acquisition and storage system (6), and the communication modules comprise wireless communication module and wired communication module.

3. A wind, wave and flow coupled observation system according to claim 1, characterized in that the data acquisition and storage system (6) is in communication connection with the offshore wind farm control center.

4. The wind, wave and current coupling observation system according to claim 1, wherein storage batteries are arranged in the wind observation system (3), the ocean current observation system (4), the wave observation system (5) and the data acquisition and storage system (6), and the input end of each storage battery is connected with a photovoltaic power generation system.

5. A wind, wave and flow coupled observation system according to claim 1, characterized in that the data acquisition and storage system (6) is further connected to a meteorological data receiving station.

6. A wind, wave and current coupled observation system according to claim 1, characterized in that the wave observation system (5) is an egmann current meter, the current observation system (4) is an optical wave meter, and the wind observation system (3) is an EL-type electric wind direction and anemometer.

7. A wind, wave and flow coupled observation system according to claim 6, characterized in that the wave observation system (5) is relatively fixedly connected with the fixed foundation (2) of the offshore wind turbine through a connecting rod (55), the ocean current observation system (4) is relatively fixedly connected with the tower (18) of the offshore wind turbine unit through a connecting rod (42), and the wind observation system (3) is connected with the nacelle housing through a base (34).

8. The wind, wave and flow coupled observation system according to claim 1, wherein 2-3 stage anemometers are arranged along the vertical direction of the wind turbine tower, the anemometers are arranged on a rail around the wind turbine tower, the anemometers are slidably arranged on the rail through a base, a moving mechanism is arranged on the rail, and a controller of the moving mechanism is connected with a main control system of the wind generating set.

9. The method for operating a wind, wave and flow coupled observation system according to any one of claims 1 to 8, wherein the wind observation system (3), the ocean current observation system (4) and the wave observation system (5) transmit the monitoring data to the data acquisition and storage system (6) in real time; and the data acquisition and storage system (6) transmits the monitoring data to the offshore wind plant control center.

10. The operating method according to claim 9, characterized in that the collection and storage system (6) also transmits the monitoring data to a meteorological data receiving station, the wind observation system (3), the ocean current observation system (4), the wave observation system (5) and the data collection and storage system (6) are powered by storage batteries, and the monitoring data are continuously provided without external power supply.

Background

In recent years, with the rapid development of the wind power generation industry, the on-road excellent wind resources are utilized in a large amount, and considering that the offshore wind resources are richer than the onshore wind resources and are just areas with vigorous power utilization requirements along the sea, the development of offshore wind power becomes an inevitable option for reducing carbon emission. However, since the eighties of the last century, a large number of marine meteorological stations or buoys have been built, and the number of available observation points is still small due to the objective reasons of expensive manufacturing cost and high operation and maintenance difficulty of related observation devices. However, the research, development and construction of offshore wind power related technologies depend on the main climate observation data mainly based on the wave flow, and especially, the deep open sea wind power development requires a large amount of actual measurement historical data to provide reference so as to ensure the profitability of investment.

Disclosure of Invention

The system and the operation method thereof can realize the wind wave and current coupling observation integrated in an offshore wind turbine generator, can effectively reduce the cost of buoys of newly-built meteorological stations, accumulate marine meteorological observation data and realize virtuous circle of data accumulation.

In order to achieve the purpose, the invention adopts the technical scheme that: a wind, wave and current coupling observation method for an offshore wind turbine comprises a wind observation system, an ocean current observation system, a wave observation system and a data acquisition and storage system; the data acquisition and storage system is in communication connection with the wind observation system, the ocean current observation system and the wave observation system in a wired or wireless mode, and is used for receiving and storing wind speed and wind direction data in the wind observation system, flow speed and flow direction data in the ocean current observation system and wave height and wave motion tracks in the wave observation system in real time or periodically and sending required data to a user.

And the wind observation system, the ocean current observation system, the wave observation system and the data acquisition and storage system are all provided with communication modules, and the communication modules comprise wired communication modules of wireless communication modules.

The data acquisition and storage system is in communication connection with the offshore wind field control center.

Storage batteries are arranged in the wind observation system, the ocean current observation system, the wave observation system and the data acquisition and storage system, and the input end of each storage battery is connected with a photovoltaic power generation system.

The data acquisition and storage system is also connected with a meteorological data receiving station.

The wave observation system adopts an Eckman current meter, the ocean current observation system adopts an optical wave meter, and the wind observation system adopts an EL type electric connection wind direction and anemometer.

The wave observation system is relatively fixedly connected with a fixed foundation of the offshore wind turbine through a connecting rod, the ocean current observation system is relatively fixedly connected with a tower of the offshore wind turbine unit through a connecting rod, and the wind observation system is connected with the engine room shell through a base.

The wind generating set is characterized in that 2-3-level anemometers are arranged in the vertical direction of the fan tower cylinder and are arranged on a track surrounding the fan tower cylinder in a circle, the anemometers are arranged on the track in a sliding mode through a base, a moving mechanism is arranged on the track, and a controller of the moving mechanism is connected with a main control system of the wind generating set.

According to the operation method of the wind-wave-current coupling observation system, the wind observation system, the ocean current observation system and the wave observation system send monitoring data to the data acquisition and storage system in real time; and the data acquisition and storage system transmits the monitoring data to a offshore wind field control center.

The acquisition and storage system also transmits the monitoring data to a meteorological data receiving station, and the wind observation system, the ocean current observation system, the wave observation system and the data acquisition and storage system are powered by storage batteries and continuously provide the monitoring data under the condition of no external power supply.

Compared with the prior art, the invention has at least the following beneficial effects:

the invention can effectively couple the wind, wave and current observation system to the fixed offshore wind turbine generator, and has lower installation cost. Meanwhile, the offshore wind turbine generator set can be maintained at the same time, the maintenance process is simplified, the maintenance cost is reduced, the observed data can effectively provide service for the offshore wind field, can be used as a data base for power prediction and operation window period prediction of the offshore wind field, and can also be used as an important basis for evaluating the running state of the generator set. Meanwhile, the cost of newly-built meteorological station buoys can be effectively reduced, marine meteorological observation data are accumulated, virtuous circle of data accumulation is realized, and a guarantee is provided for the development of subsequent marine resources.

Drawings

FIG. 1 is a schematic view of an overall wind, wave and current coupling observation system according to the present invention;

FIG. 2 is a schematic structural diagram of an offshore wind turbine assembly according to the present invention;

FIG. 3 is a schematic view of a wind observation system according to the present invention;

FIG. 4 is a schematic structural diagram of an ocean current observation system according to the present invention;

fig. 5 is a schematic structural diagram of a wave observation system according to the present invention.

In the attached drawing, 1-an offshore wind turbine unit, 2-an offshore wind turbine fixed foundation, 3-a wind observation system, 4-an ocean current observation system, 5-a wave observation system, 6-a data acquisition and storage system,

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

a wind, wave and current coupling observation method for an offshore wind turbine comprises a wind observation system 3, an ocean current observation system 4, a wave observation system 5 and a data acquisition and storage system 6; the data acquisition and storage system 6 is in communication connection with the wind observation system 3, the ocean current observation system 4 and the wave observation system 5 in a wired or wireless manner, and the data acquisition and storage system 6 is used for receiving and storing wind speed and wind direction data in the wind observation system 3, flow speed and flow direction data in the ocean current observation system 4 and wave height and wave motion track in the wave observation system 5 in real time or periodically and sending required data to a user; and communication modules are arranged in the wind observation system 3, the ocean current observation system 4, the wave observation system 5 and the data acquisition and storage system 6, and each communication module comprises a wireless communication module and a wired communication module.

The wind observation system 3, the ocean current observation system 4, the wave observation system 5 and the data acquisition and storage system 6 are usually connected with an external power supply; as a standby power supply, storage batteries are arranged in the wind observation system 3, the ocean current observation system 4, the wave observation system 5 and the data acquisition and storage system 6, the input end of each storage battery is connected with a photovoltaic power generation system, the input end of each storage battery is also connected with an external power supply, and the storage batteries can continuously monitor work under the condition that the external power supply is powered off.

The data acquisition and storage system 6 is in communication connection with the offshore wind field control center.

Of course, the data acquisition and storage system 6 of the invention can also be connected with a meteorological data receiving station to provide basic monitoring data for the meteorological data receiving station; and real-time data are provided for accurate prediction of the weather station.

The wave observation system 5 is relatively fixedly connected with the fixed foundation 2 of the offshore wind turbine through a connecting rod 55, the ocean current observation system 4 is relatively fixedly connected with the tower 18 of the offshore wind turbine unit through a connecting rod 42, and the wind observation system 3 is connected with the shell of the engine room through a base 34.

According to the operation method of the wind, wave and current coupling observation system, the wind observation system 3, the ocean current observation system 4 and the wave observation system 5 transmit monitoring data to the data acquisition and storage system 6 in real time; and the data acquisition and storage system 6 transmits the monitoring data to a offshore wind plant control center.

Optionally, the collecting and storing system 6 further transmits the monitoring data to a meteorological data receiving station, and the wind observation system 3, the ocean current observation system 4, the wave observation system 5 and the data collecting and storing system 6 are powered by a storage battery, and continuously provide the monitoring data without external power supply.

Referring to fig. 1, the method for observing coupling of wind, wave and current for an offshore wind turbine includes an offshore wind turbine unit 1, an offshore wind turbine fixed foundation 2, a wind observation system 3, an ocean current observation system 4, a wave observation system 5, and a data acquisition and storage system 6, wherein the data acquisition and storage system 6 is in communication connection with the wind observation system 3, the ocean current observation system 4, and the wave observation system 5 in a wired or wireless manner.

As an optional embodiment, 5G communication modules are arranged in the wind observation system 3, the ocean current observation system 4, the wave observation system 5 and the data acquisition and storage system 6.

The data acquisition and storage system 6 is in communication connection with the wind observation system 3, the ocean current observation system 4 and the wave observation system 5 in a wireless mode, receives and stores wind speed and wind direction data in the wind observation system 3, flow speed and flow direction data in the ocean current observation system 4 and wave height and wave motion tracks in the wave observation system 5 in real time or periodically, and sends required data to a user.

A wireless communication module is arranged in the wind observation system 3, and comprises a GPRS communication module and a 5G communication module; the solar cell module is arranged at the top of the cabin, the electric energy output end of the solar cell module is connected with the electric energy input end of the wind observation system 3, and meanwhile, the electric energy input end of the wind observation system 3 is connected with the electric energy provided by the cabin.

As an optional embodiment, in order to obtain more accurate wind data, the invention arranges a 2-3-level anemometer along the vertical direction of the fan tower, and arranges the anemometer on a track surrounding the fan tower in a circle, wherein the anemometer is arranged on the track through a base and can slide, the track is provided with a moving mechanism, a controller of the moving mechanism is connected with a main control system of the wind generating set, and the moving mechanism can move to the windward position according to the actual wind direction; the wind power data with different heights are simultaneously transmitted to a wind field regulation and control center, so that more precise real-time data are provided for timely adjusting the pitch of the fan and wind.

Referring to fig. 2, the offshore wind turbine unit 1 is an existing device, and the offshore wind turbine unit 1 includes a wind wheel, a wind alignment device, a speed regulation mechanism, a transmission device, a work applying device, an energy storage device, a nacelle housing, a tower and accessory components; the fixed foundation 2 of the offshore wind turbine adopts a multi-foot-frame foundation; the wind wheel, the wind aligning device, the speed regulating mechanism, the transmission device, the acting device and the cabin shell are all arranged at the top of the tower frame, and the wind wheel is connected with the acting device through the transmission device; the tower is arranged on a fixed foundation 2.

Referring to fig. 3, the wind observation system 3 is a nacelle anemometer 31, and as a preferred embodiment, the wind observation system 3 employs an EL-type electrical wind direction anemometer, and the nacelle anemometer 31 includes a wind cup 33, an anemometer and turbine 35, a vane 36, a guide rod 37, a cable 38, and a base 34; wherein the base 34 in the anemometry system is connected with the cabin shell of the offshore wind turbine unit; the wind cup 33 is arranged on the top of the cabin anemometer 31, the wind vane 36 is not arranged in the cabin anemometer 31, and the guide rod 37 is arranged above the base 34; the output of the nacelle anemometer 31 is connected to a communication module.

Referring to fig. 4, the ocean current observation system 4 includes a buoy 41, a connecting rod 42 and an optical wave meter 43, the buoy 41 floats on the sea level 7 and is disposed right below the optical wave meter 43, and the ocean current observation system 4 is connected with the tower of the offshore wind turbine unit through the connecting rod 42.

Referring to fig. 5, the wave observation system 5 adopts an existing device, as a preferred embodiment, the wave observation system 5 adopts an ekmann current meter, and the wave observation system 5 includes a propeller 51, a flow rate recording dial 52, a flow direction recording box 53, a tail rudder 54 and a connecting rod 55; wherein the wave observation system 5 is connected with the fixed foundation 2 of the offshore wind turbine through a connecting rod 55; and a communication module is arranged in the Eckmann current meter.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the claims of the present invention.