Well cover sensing switch device
A technology of inductive switch and manhole cover, which is applied to non-mechanical transmission-operated locks, building locks, buildings, etc., can solve the problems of poor waterproof, sand-proof and anti-corrosion, weak control, easy to damage, etc. Waterproof and sand control problems, accurate status judgment, high induction sensitivity
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[0010] refer to Figure 1~2 , a well cover induction switch device, including a well frame 1 and a well cover 2, the well cover 2 is installed on the well frame 1, the well cover 2 is fixedly installed with a latch 4 with a magnet, and the inner wall of the well is installed with a latch 4 to cooperate with The electric control lock 5 is characterized in that: Hall components are installed in the electric control lock 5, and after the manhole cover 2 is covered, the semicircle turntable of the electric lock rotates to block the circular latch to achieve the locking effect, and the semicircle The turntable rotates 180 degrees to realize unlocking.
[0011] When the manhole cover 2 with the magnetic latch 4 is closed, the magnetic field acting on the Hall device will change, and the output signal of the Hall device will change accordingly, and the intelligent measurement and control unit in the electric control lock 5 will transmit the detection signal to the upper position c...
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