Terminal alarming device of alarm system
A technology of an alarm system and an alarm device, which is applied to electrical transmission signal systems, sounding equipment, electromagnetic audible signals, etc., can solve the problems of high current consumption, large sound transmission loss, and low alarm sound pressure.
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[0024] Referring to Figure 1, Figure 2, image 3 , Figure 4a , Figure 4b , Fig. 5a, Fig. 5b, the terminal alarm device of alarm system of the present invention, base 1 is cylindrical, and this base is the base with concave cavity, and the lower end of base 1 is provided with the mounting hole 1a that is used for assembling this base, and for wire Through the through hole, the upper end of the base 1 is circumferentially fixed with a control circuit support base 2 . The control circuit support seat 2 is cylindrical, and a boss 2a is provided on its outer peripheral wall, and three through holes 2b are evenly distributed on the control circuit support seat. The control circuit support seat 2 is fixed with a control circuit 3 for connecting the output end of the alarm signal detection device (not shown in the figure), the control circuit 3 receives the switch signal from the alarm signal detection device, and the control circuit 3 is started to work by the switch signal to so...
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