How to use distributed fiber optic vibration monitoring system for perimeter security-INNO

The fiber optic cable vibration detection and alarm device is the latest perimeter alarm system successfully developed and put into use by FJINNO。

The optical cable vibration detection and warning device includes an optical cable vibration detection host, a wind and rain vibration detection ring, a linkage host, a buzzer, a main control keyboard, a vibration sensing device, and a buckle net. The wind and rain vibration detection ring is connected to the optical cable vibration detection host, the linkage host is connected to the optical cable vibration detection host and the buzzer respectively, the main control keyboard is connected to the optical cable vibration detection host, and the vibration sensing device includes a vibration optical cable, a collector, and an optical cable terminal box. One end of the vibration optical cable is connected to the collector and the buckle net respectively, the other end of the vibration optical cable is connected to the optical cable terminal box, and the optical cable terminal box is connected to the optical cable vibration detection host.

This system uses optical cables as sensing and detection units, which can achieve high sensitivity, long perimeter, and large-scale perimeter protection. It is very suitable for intrusion prevention requirements in airports, chemical enterprises, oil pipelines, kereta api, kawasan perumahan, and various key areas. After years of research and development, our company has developed an anti wind and rain false alarm optical cable vibration alarm system.

Bus type vibration optical cables are laid along the perimeter, and the optical path structure of the defense zone separation box is used to achieve defense zone division. One set of bus type optical cable vibration alarm host can carry 35 defense zones on its own, and multiple bus type hosts can be stacked at the same time.

The system uses ordinary communication grade optical cables as vibration cables, which have advantages such as anti magnetic, anti lightning, anti-karat, waterproof, and UV protection. The system uses high-speed chips to analyze and process signals, which can effectively eliminate various interferences. Taking into account the numerous advantages mentioned above, it is currently the only new generation of automatic wind and rain vibration detection and processing perimeter alarm product in the world.

The most important part of this system is the wind and rain vibration detection ring. The vibration signals generated by strong winds, light winds, hujan lebat, and light rain are sent to the detection system through the wind and rain vibration detection ring for automatic and accurate judgment. The judgment signal is used to control the ‘size’ of the seismic event in the defense zone, thus achieving accurate judgment of the alarm signal at all times.

Important features of vibration optical cable monitoring system:

1. The system uses single-mode communication fiber as the sensing unit, which is lower in cost and easier to maintain compared to similar products, achieving long-distance and large-scale detection of perimeter defense zones;

2. The maximum distance for different types of defense zones varies. Untuk jenis bas yang besar, panjang maksimum setiap kabel optik zon pertahanan ialah 1500 meter, untuk jenis kedudukan yang tepat 50 kilometer, untuk zon pertahanan dwi dan jenis rangkaian ia adalah 1000 meter, untuk jenis yang popular 200 meter (kabel optik khusus), dan untuk jenis lapangan terbang tertentu ia adalah 1000 meter.

3. Mudah dibina, tidak perlu menggali parit kabel, hanya berbaring terus; (Tanpa merosakkan asas atau rumput, ia boleh mengurangkan kos pembinaan yang ketara)

4. Keupayaan anti-gangguan yang kuat, seperti getaran angin dan hujan, getaran pembinaan, getaran kereta, getaran kereta api, dan getaran pesawat berlepas dan mendarat, boleh ditetapkan dengan mudah dan fleksibel untuk melindungi isyarat yang dihasilkan oleh getaran ini;

5. Menggunakan gentian optik sebagai pengesan pasif dengan berkesan mengelakkan gangguan kilat dan mempunyai fungsi perlindungan kilat. Sesuai untuk mudah terbakar, bahan letupan, dan persekitaran gangguan elektromagnet yang kuat;

6. Suitable for various complex terrains, capable of detecting irregular perimeter defense zones;

7. Fiber optic cables have high sensitivity and can be directly laid on various iron grids, iron crafts, plastic steel, brick walls, and irregular fences, as well as buried underground to form concealed protection systems. Directly prevent criminals from crossing over and invading, damaging walls and stepping into areas;

8. Any obstructions such as birds, grass vines, dll. do not affect the normal operation of the system;

9. Long service life and low maintenance costs;

10. The alarm host will not affect the overall system response speed due to the expansion of linked devices;

11. The automatic detection function for wind and rain greatly reduces errors and missed reports;

12. The defense zone can be infinitely expanded, fully meeting the requirements of long-distance and large-area perimeter anti-theft;

13. The arming and disarming keyboard and computer can be used simultaneously, or separately;

14. The alarm software itself can extract the video signal of the alarm zone;

15. The alarm software can extract video signals from the alarm zone even in non alarm states;

16. Adopting military and industrial grade chipsets, suitable for various harsh environments;

17. Realizing copper free information, with a power consumption of only 60-80 watts per 100 kilometer, fully meets the requirements of energy conservation and environmental protection.