Caution device of monitoring low voltage distribution line
A warning device, low-voltage power distribution technology, applied in the direction of alarms, instruments, etc., can solve the problems of poor reliability, easy to be damaged, troublesome installation and use management, etc., and achieve the effect of high reliability and strong anti-destructive ability.
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[0011] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0012] A low-voltage distribution line monitoring and warning device, such as figure 1 As shown, it includes power output lines t1, t2, t3 and three-phase electrosurgical switch K1 and speaker Y. There are monitored power lines L1, L2, L3 corresponding to the power output lines t1, t2, t3 respectively, the ends of the power lines L1, L2 are connected with the terminal current limiting resistor R1, and the ends of the power lines L2, L3 are connected with the terminal Current limiting resistor R2; power output line t2 and power line L2 are controlled by switch J1-1; power line L1 is connected to the first wire monitor 2.1 through the central controller, and power line L3 is connected to the second wire monitor through the central controller 1 The wire monitor 2.2; the first and second wire monitors 2.1, 2.2 act together on the alarm display 3; the ce...
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