A gas alarm controller
A controller and gas technology, applied in the direction of alarms, instruments, electrical transmission signal systems, etc., can solve the problems of reminding people, large gas alarm controllers, reducing gas danger, etc., to facilitate shrinkage, reduce property losses and disasters , the effect of reducing the risk
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[0027] see Figure 1-7, In the embodiment of the present invention, a gas alarm controller includes a connection box A5, an alarm bell A1, a support column 20 and a three-stage retractor 17. The top surface of the connection box A5 is sleeved with a top surface plate A4, and the top surface plate The top surface of A4 is provided with an alarm bell A1. The alarm bell A1 can play an alarming role of low-concentration gas leakage. The bottom surface of the connection box A5 is provided with a first-level retractor 15. The first-level retractor 15 mainly has the effect of expansion and contraction. It can make the connection box A5 play a telescopic role, the bottom end of the first-level retractor 15 is plugged with the top plate B6, the bottom surface of the top plate B6 is sleeved with the connection box B7, and the bottom surface of the top plate B6 is provided with an alarm bell B2, the alarm bell B2 mainly plays an alarming role of medium concentration gas leakage. The bott...
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