Well lid monitoring and warning system and method
A technology for monitoring alarms and manhole covers, applied in the direction of anti-theft alarm mechanical activation, etc., can solve the problems of difficult opening, scrapped manhole covers, and inability to obtain, and achieves the effects of fast detection and feedback, accurate manhole cover anti-theft, and novel structure.
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[0028] like Figure 1 to Figure 6 As shown, a manhole cover monitoring and alarm system includes a manhole cover body 1, the lower surface of the manhole cover body 1 is provided with a transmission piece 2 and a control box, the transmission piece 2 is provided with a mercury switch device 3, and the mercury switch device 3 includes positive and negative The pole contact claw 31 and the mercury mobile ball 32 that can move inside the mercury switch device 3 and can be electrically contacted or electrically separated from the positive and negative pole contact claws 31, the positive and negative pole contact claws 31 are electrically connected to the control box through the wire 4. One end of the driving piece 2 is hinged with the lower surface of the well cover body 1 , and the other end of the driving piece 2 is flush with the outer circular edge of the well cover body 1 .
[0029] like figure 1 As shown, the inside of the control box is provided with a switch electrical si...
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