Networking communication method of on-line wind turbine generator gearbox oil liquid monitoring system

Abstract

The invention belongs to an oil liquid monitoring technology based on an embedded hardware platform and relates to a networking communication method of an on-line wind turbine generator gearbox oil liquid monitoring system. Remote real-time monitoring on water and metal particles in oil liquid of a wind turbine generator gearbox and a viscosity state of the oil liquid can be implemented. Each fan acquires relevant oil liquid quality data through a water sensor, a viscosity sensor and a metal particle sensor of a data acquisition unit of the on-line gearbox oil liquid monitoring system and transmits the data to a Zigbee wireless communication module in a wireless communication unit after the data is processed by a central processing unit. All sub fans route the data into a Zigbee wireless communication module of a main fan in a Zigbee networking mode of a mesh-based topological structure, and finally, the main fan packs all the data in a concentrative manner and remotely sends the data to a server terminal through a GPRS (general packet radio service) wireless communication module. The networking communication method can provide a high-reliability and low-cost effective monitoring measure to a wind turbine generator in a wind power plant, and due to the effective monitoring measure, faults can be found in time.

Description

technical field [0001] The invention belongs to the technical field of monitoring, and relates to a network communication method for an online oil monitoring system of a wind turbine gearbox. Background technique [0002] As a renewable energy source, wind power has developed rapidly, and the number of wind turbines has increased dramatically. As the main component of wind turbines, gearboxes are expensive and complex in structure. Due to gearbox failures, the costs of fan downtime, maintenance and power loss are very high, which seriously affects the economic benefits of wind power generation. [0003] Oil quality is the most important factor affecting the service life of wind turbine gearboxes. Direct mechanical friction of gears or particle shedding due to fatigue of metal materials is the main cause of gear box wear, and worn metal particles in lubricating oil will accelerate the degree of wear of gears; too low oil viscosity will cause thin oil film and easy to break, ...

AI Technical Summary

Problems solved by technology

However, the mobile communication network is mainly established for voice communication. A SIM card can only send out the oil monitoring data of a wind turbine gearbox. Through GPRS communication, each wind turbine will generate a corresponding monthly or daily rent. Tariff, for the hundreds or thousands of wind turbines in the wind farm, this will undoubtedly cost a lot of money

At the same time, the GPRS wireless communication method is relatively power-hungry, and two ordinary AA batteries can only last for about 1 to 7 days.

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