The generation of sensors is the third generation of intrusion prevention technology

Airport perimeter intrusion prevention system is the first line of defense of airport security system and its status is very important. With the changes of the times, the development of the current airport perimeter electronic intrusion prevention technology has experienced the first generation of video surveillance intrusion prevention technology, the second generation of intrusion prevention technology featuring signal drive, and is gradually transitioning to the goal-driven. Features the third generation of intrusion prevention technology.

Airport perimeter intrusion prevention system is the first line of defense of airport security system and its status is very important. At present, airport security measures are mainly concentrated in terminal buildings, including air defense, technical defense, and physical defense, etc., forming a well-guarded and fully functional terminal security system, but a dozen or even tens of kilometers of apron perimeter security However, it has not received enough attention and has hidden dangers. It is a weak link in airport security systems. In recent years, there have been several internal and foreign incidents where intruders crossed the airport fence into the aircraft, posing a serious threat to airport security. I personally saw a researcher who participated in the demonstration before entering the “Rolling Dragon” perimeter interface of an airport in China, and he was able to climb in and out in less than 30 seconds. It can be seen that there are still huge hidden dangers in the current airport perimeter intrusion prevention system. Improve.

In view of the potential safety hazards at the perimeter of the airport, the Civil Aviation Administration revised the “Standard for the Construction of Airport Security Facilities for Civil Aviation Transport” (No. MH/T 7003-2008) in 2008, and stipulated the relevant perimeter, passageway, monitoring and alarm system of the aviation area. The standards for the construction of civil airport security facilities require airports to establish perimeter alarms and video surveillance systems. The system should be able to make judgments on perimeter intrusion behavior, classify targets, and be able to work in airport flight and safe lighting environments. Should meet all-weather operation requirements.

The development of the existing airport perimeter electronic intrusion prevention technology has experienced the first generation of video surveillance intrusion prevention technology and the second generation of signal intrusion prevention technology. It is gradually transitioning to the third generation of intrusion prevention featuring the target drive. technology.

The first-generation airport perimeter intrusion prevention technology - video surveillance The first generation of intrusion prevention technology was mainly based on video surveillance technology. It was widely used for its intuitive, accurate, timely and rich information content. The development of video surveillance has generally experienced three developments. Phases: Prior to the 1990s, analog monitoring systems were mostly adopted; in the mid-1990s, digital local video surveillance systems entered the period; by the end of the 1990s, video surveillance entered the all-digital network era.

However, video surveillance itself is difficult to eradicate shortcomings: lack of alarm function, can only play a role in tracking afterwards, although the subsequent increase in intelligent video technology, but the false alarm, missed alarm rate is too high and can not be large-scale application; Strong environmental acceptance, can not be used in the night, heavy rain, heavy fog, heavy snow and other weather conditions; monitoring personnel are prone to fatigue, according to statistics, security personnel continuously monitor for more than 20 minutes, that will "turn a blind eye".

The second-generation airport perimeter intrusion prevention technology, signal-driven second-generation intrusion prevention technology, has added an alarm function, which includes common perimeter intrusion prevention technologies such as vibration fiber, radiation cable, infrared radiation, tension fence, and high-voltage pulse.

Based on the theory of optical interference, the vibrating optical fiber continuously collects various types of vibration signals within the sensing distance in real time, installs concealment, and has a long detection distance. It is suitable for various shapes of perimeters and can be buried underground or in the air. It will not be affected by any radiation or electromagnetic interference; it is very sensitive to various vibration frequencies generated by intruding attempts such as climbing and cutting fences, and no excessive maintenance is needed during use; however, the wiring engineering is complicated and it cannot Recognize the target, unable to determine the location, the high rate of missed alarms and false alarms, and the limited scope of prevention. In case of heavy storms, inadvertent touches, hanging foreign objects, birds falling off, site construction, etc., it is easy to cause false alarms, and it can cause inadvertent detection of air parabolic, air-crossing invasion, and underground invasion.