Security Fence Perimeter Alarm System – Vibration optical fiber over 10km range

Vibration optical fiber alarm system precise positioning type Vibrating optical fiber  of distributed

The precise positioning vibration optical fiber early warning system is a new generation of safety detection system. Through the signal generated by optical fiber vibration and based on algorithm recognition, the specific location of a point is calculated, with an accuracy of about 3-10 meters, so as to realize the detection of dozens of kilometers of perimeter intrusion and protect the safety of important places.

The precise positioning vibration optical fiber early warning system can locate multiple intrusion points at the same time, up to thousands of points. It adopts 1-core optical fiber sensing. If the optical cable is cut, the part before the breakpoint can work normally and locate the breakpoint. Closed places can adopt the mode of two channels, which can be divided into left and right different output modes to form a safer perimeter defense area.

The system uses the sensing optical cable as the sensing unit, which can conduct real-time and continuous monitoring of various vibrations directly touched or transmitted to the vibrating optical fiber through the bearing (such as soil covering, barbed wire, fence, etc.), and the collected data are transmitted to the back-end equipment through optical communication for analysis and processing, intelligent identification, and alarm signals.

The precise positioning vibration optical fiber early warning system has the characteristics of passive front-end, long detection distance, anti lightning, anti-interference, shape following concealed installation, etc.

Application scenarios

The precise positioning type vibrating optical fiber system is currently widely used in civil av iation airports, judicial prisons, petrochemicals, petroleum and gas pipelines, underground cable pipelines, pipe corridors, rail transportation, military industry, borders and other industries.

Working principle

When someone invades and climbs to destroy the fence of the optical cable, or excavates and cuts the optical cable, a large vibration will be produced. The light source of the optical fiber will produce a vibration source. The vibration optical cable host collects the vibration wave and returns the signal, which is processed by the acquisition card and then transmitted to the vibration alarm software for analysis and accurate intrusion location. The system can detect numerous vibration sources at the same time

Installation method

According to different requirements of perimeter environment, medium and protection function, the front-end optical fiber sensing part of the system has the following installation methods

1 Double channel single direction hanging net (hanging wall) and buried (pipeline) installation

2 Double-channel bi-directional optical cable installation

3 Double channel anti shear closed loop installation

Remote control, multi-level networking

When the defense area triggers an alarm event, the defense area map will display the alarm in the defense area, and the camera associated with the defense area will appear a pop-up window. The event record below the defense area map will indicate how many meters in the entire perimeter defense area the alarm is triggered.

System topology

The vibration of cable software, can monitoring of cable vibration, grab the camera, at the same time also can access intelligent alarm host keyboard and other perimeter intrusion alarm system (such as electronic fence fence tension, buried leak perimeter intrusion alarm system) management platform software form a multi-level management system to provide clients with the overall solution