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| Safety during the use of electronic fences |
| 2022.04.20 |
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At present, a power grid composed of four metal wires can be seen on the peripheral walls of some residential areas. Several alarms are also set up on the power grid. In addition, warning signs "high voltage danger, no climbing" can be seen hanging everywhere. Many owners will express their concern: "Is this high-voltage electricity? Just outside my balcony, how dangerous." In fact, this power grid is not a power grid in a broad sense, but a new type of anti-theft device, also known as electric fence.
When the above situation occurs, the staff explained: "The whole set of equipment includes a fence composed of four wires, in addition to remote monitoring, alarm and other supporting facilities. The current on the fence belongs to pulse electricity, high voltage and low current, and will not harm the human body. Cause injury. When someone touches the two wires of the electronic fence, it will be numb at most. The police will be called immediately. Our security personnel will also rush to the scene as soon as possible. In fact, the electronic fence is installed to prevent theft. Now all over the country This kind of electronic fence has been installed in many communities. From the current point of view, the anti-theft effect is very good, and there has been no incident of injury to the owner or thief.
People worry about whether there is an electric shock hazard in the electronic fence. In fact, the electric pulse of the electronic pulse fence system is guaranteed to personal safety. Although the pulse voltage of the electronic pulse fence system reaches 6000-10000V, the repetition frequency of the pulse is extremely low, only once per second. The duration of the pulse is ≤ 0.1 seconds. The maximum pulse energy is 5 joules, and the maximum pulse power is 2.5 millicolons. It can be seen that its energy is very small and will not hurt people. It only gives the intruder a more uncomfortable warning, shakes its ability and motivation to climb the fence, and achieves the purpose of safe blocking.
The electronic fence integrates deterrence, blocking and intelligent alarm. Generally installed outdoors, along the original wall (such as brick wall, concrete wall and iron fence), the near end is connected to the detector, and the far end is connected to the receiver. If the intruder attempts to invade, he will first see the electronic fence hanging on the fence, prohibiting climbing over the warning sign, which gives people a psychological deterrent. If you try to cross and touch the metal wire of the fence, you will be given an electric shock to make it flinch away and dare not touch it again. If forcibly climbed, the system will alarm immediately. On the other hand, the electronic fence adopts a flexible wire rod. When the criminal tries to cross, the flexible fence does not give support, so that the criminal cannot cross. This is the effective blocking function of the electronic fence.
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