Alarm system for strain type tensile fence
An alarm system and strain-type technology, applied in the direction of alarm, anti-theft alarm, mechanical start of anti-theft alarm, etc., can solve the problem of small effect, can not generate alarm reminder, etc., achieve increased sensitivity, simple installation, ensure vertical line effect of distance
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Embodiment 1
[0022] A strain-type tension fence alarm system, comprising a column 1, a tension line 2, a sensing pile 9, a strain sensor 7, a steel wire 3, and a lock plate 4, the column 1 is installed on the ground, and the column 1 is horizontally installed with a tension line 2 , the tension line is supported by the middle pile, the middle pile 12 is arranged parallel to the column, the side of the middle pile is provided with a bracket 13 for supporting the tension line, the tension line 2 and the vertically arranged steel wire 3 are knotted at the intersection, and the steel wire 3 A lock disc 4 is installed at the intersection with the tension line 2, and the lock disc horizontal direction is set
[0023] There is a perforation 5 for the tension line to pass through horizontally, and the vertical direction of the lock plate is provided with a perforation 5 for the steel wire to pass through vertically. The lock plate is formed by butting two symmetrical round boxes 6. The small hole ...
Embodiment 2
[0027] When someone climbs the tension line 2, the steel wire 3 is pulled, and the steel wire 3 can transmit the force to the strain gauge sensor 7. At the same time, the perforation can limit the tension line 2 and the steel wire to avoid knots caused by people climbing. Stress concentration results in breaking and breaking, and the strain gauge sensor 7 transmits a signal to the alarm device through the controller, thereby generating an alarm to remind someone of intrusion.
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