Intelligent well lid control circuit and control method thereof
A control circuit and intelligent well technology, applied in the direction of instruments, alarms, etc., can solve the problem of high cost of use of intelligent manhole covers, and achieve the effect of solving the high cost of use
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Embodiment 2
[0085] Such as figure 2 As shown, in this embodiment, the detection part 2 is a hemispherical closed structure communicating with the side wall of the installation box 3, the infrared detection device in the infrared detection circuit is still installed in the detection part 2, and the two opposite sides of the installation box 3 Connected with a telescopic tube 5, the end of the telescopic tube is connected with an installation bag 4 for installing the acceleration sensor in the acceleration detection circuit. The installation bag 4 is a balloon made of a flexible material, and the acceleration sensor is installed in the installation bag 4. It can sensitively detect the change of acceleration signal caused by tiny damage. The telescopic tube 5 is connected with the installation box 2 to facilitate the wire routing between the acceleration sensor in the installation bag 4 and the MCU circuit in the installation box, and the telescopic tube 5 can be extended and shortened to f...
Embodiment 3
[0087] Such as image 3 As shown, compared with Embodiment 2, in this embodiment, another group of side walls connected to the installation bag 4 is connected with a mounting piece 6 through a telescopic tube, and the mounting piece 6 is directly bonded to the bottom of the cover, so that the touch circuit The touch device is bonded to the mounting piece 6, and the mounting piece 6 is installed near the edge of the cover, so that when the person moves the cover, he can immediately touch the touch device installed on the mounting piece 6, which is convenient for passing through in time. The touch circuit detects whether something abnormal happens to the cover.
Embodiment 4
[0089] In this embodiment, rollers are installed on the top of the cover. When people or vehicles pass by, they will be rotated by friction. The rollers are equipped with metal rotating pieces that rotate with the rollers, and there are wires on the cover. Through the hole, an error-proof circuit connected to the MCU circuit is installed on the bottom of the cover. The error-proof circuit includes two miniature mutual inductance bridges facing the metal rotary plate and an electronic logic unit connected to them. Using electromagnetic coupling, the original, When the electronic logic unit is working, the single-chip microcomputer continuously emits driving pulses, and the pulses will form space electromagnetic radiation through the LC circuit, and the radiation will be received by two miniature mutual inductance bridges. When there is no metal rotary piece close, because the transformer bridge is symmetrical The two outputs of the two are almost one after integral comparison, a...
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