CN210108414U - Remote automatic monitoring system for salt mist concentration of offshore wind turbine generator system - Google Patents
Remote automatic monitoring system for salt mist concentration of offshore wind turbine generator system Download PDFInfo
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- CN210108414U CN210108414U CN201920778535.XU CN201920778535U CN210108414U CN 210108414 U CN210108414 U CN 210108414U CN 201920778535 U CN201920778535 U CN 201920778535U CN 210108414 U CN210108414 U CN 210108414U
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Abstract
The utility model discloses a remote automatic monitoring system of salt fog concentration of offshore wind turbine, which comprises two monitoring modules, wherein the two monitoring modules are respectively arranged in an engine room and a tower and are used for monitoring the salt fog concentration in the engine room and the tower in real time and are connected with a switch at the bottom of the tower through optical fibers; the monitoring module comprises probe, salt fog concentration monitor and 485 change optical fiber module, and the probe is connected in salt fog concentration monitor, and salt fog concentration monitor passes through the 485 connecting wire and changes optical fiber module and be connected, changes its data signal of optical fiber module outside transmission through 485. The utility model discloses can monitor the salt fog concentration in wind turbine generator system cabin and the pylon in real time and accurately.
Description
Technical Field
The utility model belongs to the technical field of the technique of offshore wind turbine system and specifically relates to indicate a remote automatic monitoring system of offshore wind turbine system salt fog concentration.
Background
At present, offshore wind power generation becomes the focus field of global renewable energy development and construction, but the marine environment for installation and operation of an offshore wind generating set is extremely complex, particularly the marine salt spray environment is easy to corrode and infringe metal parts and electrical components of the offshore wind generating set, and mainly caused by salt spray particle sedimentation and moisture condensation in the air, salt particle sedimentation occurs on the surfaces of electronic components, and a thin liquid film is formed after moisture absorption, so that the corrosion of microelectronic materials and the failure rate of electronic equipment are increased; and the salt mist particles are settled and absorb moisture on the surface of high-voltage electrical equipment, so that the insulation performance is reduced, high-voltage flash arc occurs, and even the electrical equipment is burnt, thereby bringing serious hidden danger to the safe and reliable operation of the offshore wind turbine generator. Therefore, a set of salt mist concentration monitoring system is needed in the cabin and the tower of the offshore wind turbine generator, so that the salt mist content and the deposition rate in the cabin and the tower can be timely and accurately monitored, and the associated salt mist removing purification equipment is started according to the early warning value of the set salt mist concentration monitoring value, so that the salt mist concentration in the cabin and the tower can be controlled to meet the standard requirement, the salt mist corrosion in the marine environment can be avoided, the safe and reliable operation of the offshore wind turbine generator can be ensured, and greater economic benefit can be created.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's shortcoming and not enough, provide a long-range automatic monitoring system of offshore wind turbine generator system salt fog concentration, can monitor the salt fog concentration in wind turbine generator system cabin and the pylon in real time and accurately.
In order to achieve the above object, the present invention provides a technical solution: a remote automatic monitoring system for salt mist concentration of an offshore wind turbine generator comprises two monitoring modules, wherein the two monitoring modules are respectively arranged inside a cabin and a tower of the wind turbine generator and are used for monitoring the salt mist concentration in the cabin and the tower in real time and are connected with a switch at the bottom of the tower through optical fibers to realize signal transmission; wherein, the monitoring module changes optical fiber module by probe, salt fog concentration monitor and 485 and constitutes, the probe connection is in salt fog concentration monitor for survey salt fog particle content, temperature and humidity, salt fog concentration monitor is through measuring the liquid film impedance on probe surface under the excitation of fixed frequency alternating current signal and reflects the degree of wetness change condition on probe surface, and convert with simultaneous measurement's ambient temperature and humidity data, thereby reflect the environment humiture that the probe detected and the numerical value that the air contains the salt content, salt fog concentration monitor passes through the 485 connecting wire and changes optical fiber module with 485 and is connected, changes its data signal of optical fiber module outwards transmission through this 485.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the system measures the salt content in the air in the cabin and the tower through a probe for detecting temperature, humidity and salt spray particles, and calculates the salt content in the air by measuring the concentration of the salt spray particles deposited on the surface of the metal film through a salt spray concentration monitor. When the salt-containing particles in the air settle on the surface of the metal electrode, the surface of the electrode absorbs moisture and liquefies to form a thin liquid film, and the high-frequency impedance of the surface is reduced. By measuring the change rule of the impedance value along with time and the temperature and humidity, the salt mist content and the sedimentation rate in the air in the engine room and the tower can be obtained. And adopt the mode of optical fiber transmission to data transmission to the server in land control room, can long-range automatic reading and monitor the salt fog concentration in control cabin and the pylon through the server to avoid electronic components and electrical equipment to suffer from marine environment's salt fog corruption and destruction, promote green clear ocean wind energy development better, will produce great economic benefits.
Drawings
Fig. 1 is the structure diagram of the remote automatic monitoring system of the utility model.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 1, the remote automatic monitoring system for salt fog concentration of an offshore wind turbine generator provided by this embodiment includes two monitoring modules, which are respectively disposed inside a nacelle 1 and inside a tower 2 of the wind turbine generator, and are used for monitoring the salt fog concentration in the nacelle 1 and the tower 2 in real time, and are connected to an exchanger 4 at the bottom of the tower through an optical fiber 3 to realize signal transmission, the exchanger 4 is connected to a server 6 in a land control room through a submarine optical fiber 5, and the salt fog concentration in the nacelle 1 and the tower 2 can be remotely and automatically read and monitored and controlled through the server 6; wherein, the monitoring module changes optical fiber module 9 by probe 7, salt fog concentration monitor 8 and 485 and constitutes, probe 7 is connected in salt fog concentration monitor 8 for survey salt fog particle content, temperature and humidity, salt fog concentration monitor 8 is through measuring the liquid film impedance on 7 surfaces of probe under the excitation of fixed frequency AC signal reflects the degree of wetness change condition on 7 surfaces of probe, and converts with simultaneous measurement's ambient temperature and humidity data, thereby reflects the numerical value that the environment humiture that probe 7 detected and air contain the salt content, salt fog concentration monitor 8 changes optical fiber module 9 through 485 connecting wire 10 and 485 and is connected, changes its data signal of optical fiber module 9 outwards transmission through this 485.
In summary, the system measures the salt content in the air in the cabin and the tower through the probe for detecting the temperature, the humidity and the salt spray particles, and measures the concentration of the salt spray particles deposited on the surface of the metal film through the salt spray concentration monitor to calculate the salt content in the air. When the salt-containing particles in the air settle on the surface of the metal electrode, the surface of the electrode absorbs moisture and liquefies to form a thin liquid film, and the high-frequency impedance of the surface is reduced. By measuring the change rule of the impedance value along with time and the temperature and humidity, the salt mist content and the sedimentation rate in the air in the engine room and the tower can be obtained. And adopt the mode of optical fiber transmission to data transmission to the server in land control room, can long-range automatic reading and monitoring control cabin and the salt fog concentration in the pylon through the server to avoid electronic components and electrical equipment to suffer from marine environment's salt fog corruption and destruction, promote green clear ocean wind energy development better, will produce great economic benefits, be worth promoting.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a remote automatic monitoring system of offshore wind turbine generator system salt fog concentration which characterized in that: the system comprises two monitoring modules, wherein the two monitoring modules are respectively arranged in an engine room and a tower of a wind turbine generator set and are used for monitoring the salt mist concentration in the engine room and the tower in real time and are connected with a switch at the bottom of the tower through optical fibers to realize signal transmission; wherein, the monitoring module changes optical fiber module by probe, salt fog concentration monitor and 485 and constitutes, the probe connection is in salt fog concentration monitor for survey salt fog particle content, temperature and humidity, salt fog concentration monitor is through measuring the liquid film impedance on probe surface under the excitation of fixed frequency alternating current signal and reflects the degree of wetness change condition on probe surface, and convert with simultaneous measurement's ambient temperature and humidity data, thereby reflect the environment humiture that the probe detected and the numerical value that the air contains the salt content, salt fog concentration monitor passes through the 485 connecting wire and changes optical fiber module with 485 and is connected, changes its data signal of optical fiber module outwards transmission through this 485.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778535.XU CN210108414U (en) | 2019-05-27 | 2019-05-27 | Remote automatic monitoring system for salt mist concentration of offshore wind turbine generator system |
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| CN201920778535.XU CN210108414U (en) | 2019-05-27 | 2019-05-27 | Remote automatic monitoring system for salt mist concentration of offshore wind turbine generator system |
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| CN210108414U true CN210108414U (en) | 2020-02-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067055A (en) * | 2020-09-15 | 2020-12-11 | 广东电网有限责任公司电力科学研究院 | Atmosphere online monitoring system and method for coastal power transmission line |
| CN114152654A (en) * | 2021-11-18 | 2022-03-08 | 国网山东省电力公司电力科学研究院 | Atmospheric soluble salt deposition amount monitoring device and measuring method |
| CN114330415A (en) * | 2021-11-25 | 2022-04-12 | 中国电器科学研究院股份有限公司 | Ocean salt spray offshore space distribution prediction method |
| WO2023040036A1 (en) * | 2021-09-14 | 2023-03-23 | 中国电器科学研究院股份有限公司 | Real-time monitoring device and method for surface salt settling volume |
-
2019
- 2019-05-27 CN CN201920778535.XU patent/CN210108414U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067055A (en) * | 2020-09-15 | 2020-12-11 | 广东电网有限责任公司电力科学研究院 | Atmosphere online monitoring system and method for coastal power transmission line |
| WO2023040036A1 (en) * | 2021-09-14 | 2023-03-23 | 中国电器科学研究院股份有限公司 | Real-time monitoring device and method for surface salt settling volume |
| CN114152654A (en) * | 2021-11-18 | 2022-03-08 | 国网山东省电力公司电力科学研究院 | Atmospheric soluble salt deposition amount monitoring device and measuring method |
| CN114152654B (en) * | 2021-11-18 | 2024-03-26 | 国网山东省电力公司电力科学研究院 | Atmospheric soluble salt deposition monitoring device and measuring method |
| CN114330415A (en) * | 2021-11-25 | 2022-04-12 | 中国电器科学研究院股份有限公司 | Ocean salt spray offshore space distribution prediction method |
| CN114330415B (en) * | 2021-11-25 | 2022-09-30 | 中国电器科学研究院股份有限公司 | Ocean salt spray offshore space distribution prediction method |
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