Electronic fence value

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Hu Liang
Electrostatic induction system
Connect the detector to the electronic fence. When the intruder interferes (approaches, When the electromagnetic field is touched, cut, or crossed, the detector will analyze and process it and confirm that its amplitude, direction, and speed meet the predetermined alarm conditions, and an on or off signal will be immediately sent to the host to alarm.
Working principle:
Install a bracket every meter in the perimeter area that needs protection, and set up multiple detection cables on the bracket according to the security level (the distance between each two detection cables is usually centimeters). An insulator is added between the detection cable and the detection cable to form a perimeter alarm front end. Connect the perimeter alarm front-end to the alarm processor. When the perimeter alarm front-end is powered on, an alternating electromagnetic field is generated on the detection cable. When an intruder approaches, touches, cuts, or climbs over the detection cable, the electromagnetic field is interfered with and analyzed by the alarm processor. Processing and confirming that its amplitude, direction, and speed all meet the alarm conditions, the alarm processor triggers a normally open or normally closed switch alarm signal.
Technical characteristics:
Due to the deformability of the sensing cable, it can be laid arbitrarily according to the shape of the perimeter, so it is not restricted by geographical environment and terrain. It can be turned at will like a power cord and can be used for indoor prevention. At this time, the electrostatic induction cable can be laid directly under the carpet
High alarm sensitivity: when the human body touches or approaches the electrostatic induction cable, an alarm will occur. The maximum detection distance can reach .3 meters
Can adapt to outdoor temperature for a long time Various changes in humidity, as well as other harsh environments: resistant to low temperature, radiation, direct sunlight, sand, dust, snow, fog, etc., while not being disturbed by strong noises such as firecrackers
, and can prevent all types of man-made damage : Approaching the induction cable, raising, lowering or cutting the induction cable will trigger an alarm
Stable and reliable performance: Static induction cable has excellent anti-static and lightning protection measures: It is not sensitive to sudden electromagnetic interference in nature, such as Lightning, space ionization, electromagnetic storms, induced ground current, etc.
Low power consumption: it can be powered by batteries and can work for a long time, very suitable for installation and use in outdoor situations without power supply
, and traditional high-voltage power grids It has an essential difference and is absolutely safe. It will not cause arc sparks and can be widely used in flammable and explosive places such as ammunition depots and oil depots without endangering lives.
Scope of application
:
Natural gas stations, oil depots, military facilities, breeding farms, airports, parking lots, docks, prisons, detention centers, museums, factories, high-rise residences, smart communities, etc.

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