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What are the components of a mining explosion-proof and intrinsically safe fiber optic temperature measurement system

The explosion-proof and intrinsically safe fiber optic temperature measurement control cabinet for mining is a specific application of distributed fiber optic temperature detection (DTS) technology in the field of fire alarm, mainly used for temperature detection in coal mine goaf, enclosed areas and other areas.

The mining explosion-proof and intrinsically safe fiber optic temperature measurement control cabinet includes a power supply system and a distributed fiber optic temperature measurement system. The power supply system mainly converts the external power input provided by the coal mine power equipment into intrinsically safe power output and non intrinsically safe power output, providing power for the entire fire monitoring hardware system; The distributed fiber optic temperature measurement system mainly monitors the temperature of the monitoring area by laying optical fibers to various goafs and coal mining working faces, and provides positioning distance for temperature abnormal areas.

The mining explosion-proof and intrinsically safe fiber optic temperature measurement control cabinet mainly consists of fiber optic temperature measurement module, temperature measurement fiber optic, signal isolation module, motor control part, and explosion-proof and intrinsically safe power supply module. Among them, the fiber optic temperature measurement module is responsible for fiber optic signal processing, alarm, and parameter setting, while the temperature measurement fiber is responsible for on-site temperature collection. The signal isolation module outputs motor control signals, motor fault signals, and transmits signals through the RS485 serial port and optical signal network cable; The motor control section controls and protects the motor through this section; The explosion-proof and intrinsically safe power module not only supplies power to the signal processing module of this system, but also provides 12V power to other intrinsically safe electrical appliances. The fiber optic temperature measurement module can also be connected to the system through RS485 and Ethernet interfaces, forming a complete system.

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