Monitoring device used for high voltage cable connector status in mine roadway
A high-voltage cable and monitoring device technology, applied in the direction of using electrical devices, measuring devices, thermometers with electrical/magnetic components directly sensitive to heat, etc., to solve the problem of untimely data collection, reduce work intensity, and speed up information feedback.
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[0032] Such as figure 1The bottom monitoring device for high-voltage cable joints in mine roadways is composed of a temperature sensor, a temperature and humidity sensor, a current transformer, a microcontroller unit, a data acquisition unit, a data storage unit, a keyboard and a display unit, a clock unit, and an audible and visual alarm unit and communication unit. The current transformer measures the current signal of each phase of the cable in the wiring device, the temperature sensor measures the temperature signal at the cable connection in the wiring device, the temperature and humidity sensor measures the ambient humidity signal in the wiring device, and other unit circuits are integrated into a circuit board The corresponding module functions are completed on the board, in which the temperature sensor, temperature and humidity sensor, current transformer are connected to the data acquisition unit on the circuit board through the signal transmission line, the data acqu...
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