Tunnel cable fire monitoring device and early warning method
A technology for tunnel cables and monitoring devices, which is applied to electric fire alarms, measuring devices, fire alarms that rely on smoke/gas effects, etc., to solve problems such as cable heating, fire, and insulation degradation, and to eliminate Effects of fire, fire prevention, and loss reduction
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[0044] figure 1 Is a schematic diagram of the structure of the present invention (outer surface), figure 2 Is a schematic diagram of the structure of the present invention (inner surface), image 3 This is a schematic diagram of the self-locking structure of the present invention. As shown in the figure, the tunnel cable fire monitoring device of this embodiment is
[0045] include:
[0046] The signal acquisition unit is used to obtain the data parameters related to the cable and the fire; the data related to the fire generally include temperature (itself and the surrounding environment), gas content, humidity, smoke, open flames, etc., these data signals change individually or in combination The cause may be a fire; for tunnel cables, circulating current parameters (ground faults, heat accumulation) are also one of the factors that cause a fire; collect these parameters and select the corresponding sensors (such as current transformers, temperature sensors, etc.). I won’t repeat...
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