Abstract
In view of the problem that the lack of wireless mobile network in remote mountainous areas makes the transmission line online monitoring data transmission difficult, this paper proposes a data transmission scheme using Beidou short message communication. And aiming at the problems of small data transmission and low reliability in Beidou short message communication, a new data coding method is designed. The actual results show that: the proposed transmission line online monitoring system based on Beidou short message communication has a high success rate of transmission line information collection, which is an efficient and reliable scheme for transmission line online monitoring in remote mountainous areas.
Highlights
On-line monitoring of transmission line condition is an important means to ensure the safety of long-distance transmission line
Aiming at the above problems, this paper developed an online risk monitoring system for transmission lines based on Beidou short message communication: The risk information of the transmission line is collected by the sensor, and the data is packaged and processed by the embedded chip and sent to the control center through the Beidou communication module
Because the data acquisition module may upload the data collected by 8 groups of more than a dozen sensors to the data processing control module at one time, with a large amount of data, and at the same time, the data transmission rate of Beidou short message communication is low (68 Byte/min), so the electricity data need to be stored in the expanded FLASH memory first
Summary
On-line monitoring of transmission line condition is an important means to ensure the safety of long-distance transmission line. Aiming at the above problems, this paper developed an online risk monitoring system for transmission lines based on Beidou short message communication: The risk information of the transmission line is collected by the sensor, and the data is packaged and processed by the embedded chip and sent to the control center through the Beidou communication module. On this basis, combined with the characteristics of large amount and variety of data transmitted by the system, a byte space allocation strategy is designed to improve the transmission efficiency of Beidou short message communication
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