Why is Buried Cable Detection Systems Better?

Buried Cable and Intrusion Detection

Buried cable intrusion detection systems, sometimes known as seismic or ground sensors, utilize special cables buried beneath the surface to detect vibrations or disturbances caused by activities above or near the ground, like walking, running, or vehicle movement. They are a type of “volumetric” detection system, meaning they monitor changes in a volume of space rather than just a line or point of entry.

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How It Works:

1. Sensors: The core component of this system is a sensor cable filled with piezoelectric or accelerometer-based sensors. These sensors generate an electrical signal when subjected to mechanical disturbances, such as those caused by pressure or vibrations.
2. Detection Mechanism: As a person or vehicle approaches and crosses over the buried sensor cable, the sensors pick up the disturbance caused by this movement. The system then evaluates this signal against predefined criteria to determine whether it’s an intrusion event or a benign disturbance.
3. Signal Analysis: Advanced buried cable systems can differentiate between various sources of disturbances. They can distinguish between a small animal scurrying over the surface, human footsteps, or a vehicle’s movement. This minimizes false alarms.

Advantages:

1. Stealth: Since the sensors are buried, they’re invisible to potential intruders, making them a covert detection mechanism.
2. Low False Alarm Rate: Advanced systems with sophisticated analysis algorithms can differentiate between potential threats and non-threatening disturbances.
3. All-weather Operation: Unlike some other security measures, buried cables are generally not affected by fog, rain, snow, or other weather conditions.
4. Low Maintenance: Once installed, buried cable systems require minimal maintenance as they’re protected from direct exposure to environmental factors.
5. Scalability: These systems can be expanded to cover large perimeters or areas.
6. Integration: They can be integrated with other security systems, such as cameras or alarms, to provide a comprehensive security solution.

Limitations:

1. Installation Complexity: The installation process can be labor-intensive, especially for large areas.
2. Soil and Ground Considerations: The system’s effectiveness can be influenced by the type of soil, its moisture content, and other ground conditions.
3. Limited Detection Height: While these systems can detect surface movements very effectively, they might not detect activities above a certain height from the ground.

Applications:

Buried cable intrusion detection systems are ideal for:

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• Securing high-security zones like military installations, nuclear facilities, and critical infrastructure.
• Protecting remote or unattended sites, such as communication relay stations or pipeline monitoring points.
• Enhancing border security in areas where building a physical barrier might be challenging or undesirable.
• Securing private properties or estates where the owner desires discreet security measures.

Buried cable intrusion detection systems offer a stealthy yet highly effective means of securing perimeters and sensitive areas from unauthorized access. With the capability to distinguish between potential threats and benign disturbances, they provide reliable security with minimal false alarms.

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Security managers in various sectors use perimeter intrusion detection systems to protect facilities from outside intruders.   In the business sector, perimeter intrusion detection products are used to protect sites such as factories, oil & gas pipelines and farms. When it comes to military and HLS, security forces use perimeter intrusion detection systems to protect international borders, military bases, prisons and other sensitive sites where there is a constant threat of outsiders trying to break in. There are many different intrusion detection systems: vibration fences, video analytics, radar systems and buried intrusion detection protection systems. Security managers choose buried perimeter intrusion detection systems in three main cases:  

• There is a need for a discreet, possibly invisible, detection system.

 

• They can’t/don’t want to build an above-the-ground physical fence to protect the perimeter, due to physical limitations of site or they don’t want to influence the landscape (underground systems do not change the terrain surface).

 

• They need to detect also under-the-fence digging activity

  In addition, underground perimeter security systems or devices can work together with above the ground measures. For example, using buried seismic sensors to activate cameras or set off alarms.  

Buried Intrusion Detection Systems Advantages

   

Who Use Underground Detection Systems?

  As technology advanced, buried seismic security systems becomes more popular and accessible also private clients, We have listed below some examples of typical applications:  

• Army bases – our underground seismic detectors will recognize any person or vehicle approaching the base perimeter, whether they get closer to the base on foot, by car or by digging their way into the base.

 

• Protecting mansions or other private properties – One of the biggest advantages of buried intrusion detection that it is completely covert and does not change the surface of the terrain. This way, the system provides maximum security from thieves or other intruders without damaging the beautiful mansion exterior.

 

• Prisons – In recent years, there were a few cases of jail breaks that were done underground. Either the prisoners had dug their way out of jail, or as in some cases, external teams dug their way into the prisons, creating a tunnel that enabled prisoners to get out of prison. By using the buried intrusion detection system prison security team can easily identify any digging done inside or outside of the prison perimeter.

 

• Remote infrastructure sites- as a buried (hidden system), our seismic sensors are ideal for protection of remote sites, as it minimize the risk of vandals / cable cut which usually happen with fence mounted systems on remote sites.

 

• Oil and Gas Pipeline Security – Using buried systems to secure pipelines. The system can detect any attempt to damage the pipes or the oil the runs through them. As stated before, a buried intrusion detection system can recognize movement including digging.

  Do you want to know which buried perimeter intrusion detection system is the best? Read about the technical comparison of three underground intrusion detection systems.   

Relevant Products:

 

• InvisiFence