Wireless data communication system of automatic control instrument of thermal power plant, and communication method thereof

Abstract

The invention belongs to the field of instrument control, and discloses a wireless data communication system of an automatic control instrument of a thermal power plant, and a communication method thereof. The system comprises a system server, node switches, node servers, an automatic control instrument terminal and an upper computer; the system server establishes a communication connection link with a plurality of node switches within the coverage thereof, the node switch establishes a communication connection link with a plurality of node servers within the coverage thereof, the node serverestablishes a communication connection link with the automatic control instrument terminal within the coverage thereof, and the system server is in communication connection with the upper computer. The method disclosed by the invention comprises the following steps: sending a query tag packet, returning a response tag packet, issuing a network access command, responding to the network access command, obtaining communication links, and selecting the communication link. The communication system disclosed by the invention has a high automation level, can conveniently increase the automatic control instrument, and is convenient to manage and maintain.

Description

technical field [0001] The invention relates to the technical field of instrument control, in particular to a wireless data communication system and a communication method for an automatic control instrument in a thermal power plant. Background technique [0002] At present, thermal power generation is the main source of electric energy in China, and large and small thermal power plants are scattered all over China. With the implementation of national energy policies, energy saving, consumption reduction and reliability improvement are the essential requirements for thermal power plants to improve operating efficiency. The reliability of thermal power plants is also related to the stability and reliability of power transmission. With the acceleration of industrialization, the stability and reliability of power is always related to the continuous progress of industrialization. Activity Guarantee. In view of the urgent requirements for power supply stability and reliability, ...

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems in the prior art of monitoring the operating state of equipment through manual monitoring and adjustment of automatic control instruments, which have low efficiency, large human factors, and inconspicuous effects of improving stability and reliability, and provides an automatic control system for thermal power plants. Instrument wireless data communication system and its communication method

Images