Coal mining working face communication system based on visible light communication and method thereof

Abstract

The invention discloses a coal mining working face communication system based on visible light communication and a method thereof, and belongs to coal mining communication systems and methods. Pre-existing lighting cables on a working face serve as transmission media, visible light base stations based on light-emitting diode (LED) lighting lights are additionally arranged on the working face, miners wear LED mining lights which have the function of sending and receiving a message, and the LED mining lights serve as mobile nodes and can be nearby accessed to a visible light base station of a strongest signal. Wireless links among the mobile nodes of the working face and the lighting light base stations are constructed, wired links among the lighting light base stations, comprehensive protection devices and an underground backbone network are constructed, and wired and wireless mixed coverage of the working face is achieved. Spot communication data of the working face are transmitted to an underground backbone looped network switchboard or a branch switchboard through a visible light channel and the lighting cables, and the data are transmitted to a ground communication server through a backbone looped network. The coal mining working face communication system and the method thereof have the advantages that the energy consumption of an LED light source is low, transmission speed is high, the energy consumption of the system is low, safety is high, cost is low, anti-jamming capability is strong, disturbance of natural light does not exist under a coal well, and the system and the method are suitable for being used under the coal well.

Description

[0001] technical field [0002] The invention relates to a coal mine communication system and method, in particular to a coal mine working face communication method based on visible light communication. Background technique [0003] The mine communication system, also known as the mine communication system, is an important tool for coal mine safety production, emergency avoidance and emergency rescue. One of the systems that must be installed. The "Notice of the State Administration of Work Safety and the State Coal Mine Safety Supervision Bureau on the Construction and Improvement of the "Six Major Systems" for Underground Coal Mine Safety and Hedging (An Jian Zong Mei Chang [2010] No. 146)" also requires: Notify personnel to evacuate and realize the requirements of talking with the danger-avoiding personnel, and further build and improve the mine communication system. Since the working face is the forefront of coal mine production and the most prone to accidents, it ...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a coal mine working face communication system and method based on visible light communication, to solve the problem of poor scalability of communication means such as broadcast communication system and amplified telephone system in the working face

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