[technical knowledge] "anti-climbing" alarm technology environment adaptive technology

Since the tension type electronic fence appears later than the pulsed electronic fence, and the product characteristics, the front detection alarm is mainly concentrated on the alloy wire and the rod. The “anti-climb” alarm technology and the self-adaptation of the tension wire environment become the key technical factors. The measurement and control rod, bearing rod and bearing rod equipment at the front of the tension electronic fence should have the function of preventing climbing. The alloy wire can adjust the alert tension value automatically according to the changes of the external environment and climate.

The "anti-climbing" alarm is mainly aimed at preventing the front-end measuring and control rods, bearing rods and bearing rods from becoming the focus points for intruders to climb over. It is designed to install sensitive sensing devices on the front-end rods to set a certain triggering alarm value. If the intruder touches or climbs beyond the set value, an alarm will be triggered, completely preventing the intruder from climbing over the rod. Currently, the tension-type electronic fence climbing prevention function of most manufacturers on the market is temporarily immature. Some manufacturers use vibration sensors inside the rod to determine whether there is invasion by monitoring the swing amount of the fence. Obviously under certain special circumstances ( If there is a strong wind, there will be false positives. Therefore, tension-type electronic fences that meet the requirements of technical standards require breakthrough improvements in detection technology.

The tension electronic fence alarm mainly depends on the alert tension threshold of the front-end alloy wire. Because of the physical properties of the alloy wire, it will be affected by the environment, and then change the tension value, and the installation site environment is uncertain. Therefore, the environment adaptation technology has also become The technical strength of each alarm manufacturer competition elements. “Automatically adjusting the alert tension value according to changes in the external environment, climate, etc.”, that is, according to the uncertain environmental factors around the periphery of the installation site of the perimeter, the function of adaptive change of the alarm threshold value can be realized. Obviously, there is no corresponding reference standard for the current leakage. The false alarm rate becomes an intuitive factor in detecting product technology.

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