With the increasing emphasis on public safety, security gates have become one of the standard configurations in airports, stations, large-scale event venues and even commercial buildings. While protecting the safety of tens of thousands of people, the principle and technology behind the security gate have become the object of curiosity and inquiry by many people. Today, let's take a closer look at how security gates work and how this high-tech product plays an indispensable role in everyday life.
Security gates in school examination rooms
How security gates work: The basic principle of security gates is to detect metal objects passing through their frames. Most security gates use the principle of electromagnetic induction, which senses changes in the magnetic field generated in a metal object to determine whether a metal object has passed through. Specifically, the induction coil inside the security gate generates a stable magnetic field. When a metal object passes through, it interferes with this magnetic field, causing the magnetic field to change. The detector inside the gate will use this change to determine whether the alarm has been triggered.
Gymnasium security gates
Metal Detection: At the heart of the gate is its built-in metal detection technology. It is mainly divided into multi-area detection technology and single-area detection technology. The multi-zone detection technology can accurately identify the location of metal objects, and multiple detection areas can work in parallel, improving the accuracy and efficiency of detection. Although the cost of single-area detection technology is lower, its positioning is not as accurate as that of multi-area detection technology, and it is mostly used in occasions with less foot traffic.
Ultra-high sensitivity and personalized adjustment: The sensitivity of modern security gates is quite high, they can not only detect large metal objects, such as **, knives, etc., but also can sense some small metal objects, such as keys, coins and even some metal implants in the body. In order to adapt to different security needs, many security gates are equipped with sensitivity adjustment functions, and the staff can adjust the sensitivity of the door according to the actual situation, so as to achieve higher inspection efficiency and accuracy.
Anti-interference ability: In terms of environmental interference, the security gate is designed with many anti-interference measures. Modern security gates often use digital signal processing technology, which can effectively avoid signal interference from mobile phones, radios and other equipment. In addition, some high-end security doors also use random emission technology, which can reduce the electromagnetic radiation of the door itself to a certain extent, which is especially important for personnel who work in the security environment for a long time.
Environmental protection and safety performance: In terms of environmental protection and safety, the design of security gates cannot be ignored. Many security gates are designed with environmental protection and safety in mind, and work in a non-radiological manner that is harmless to humans. In addition, the materials and manufacturing processes of the security gates are constantly being improved to reduce the potential environmental impact and minimize energy consumption while ensuring reliability.
Integration of related technologies: Modern security gates work independently, but also integrate more security technologies to improve the overall security performance. For example, some security gates have built-in cameras that can take pictures or videos of people passing through the screen, so that suspects can be quickly locked and tracked down in the event of a security incident. At the same time, the network connection function also enables the security gate to communicate with the remote monitoring center in real time, and the security management is more effective.
Hospital security gates
Application areas of security gates: Security gates are used in a variety of fields, including:
At airports: Airport security gates tend to be the most sophisticated, as they need to be able to detect the smallest metal objects, as well as some special dangerous goods that could be used to make explosive devices.
At stations: Security gates at train and metro stations are designed to screen passengers quickly and efficiently and ensure that there are no undue wait times for large crowds.
In event venues: At large-scale public events such as concerts and sports competitions, security gates are used as a part of preventive measures to detect and prevent people carrying dangerous goods from entering the venue.
In schools and offices: Security gates are also increasingly being used on campuses and corporate offices to screen for items that may pose a threat of violence and to provide security for students, students and staff.
College entrance examination security gate
Epilogue:
With the continuous progress of technology, the development and use of security doors are also progressing with each passing day, it is not only a simple metal detector, but also a high-tech product integrating safety, science and technology, and environmental protection. Although we are looking for no alarm signals when passing through the security gate, in the signal of the security gate, it is more about the silent commitment and watchfulness of safety and security.
Here, we not only deeply analyze the principles and technologies of security gates, but also discuss their practical applications in different fields, hoping that through this article, we can increase the public's understanding and awareness of the technology and role of security gates. In the future, with the further development of technology, we have reason to believe that the security gate will appear in every corner of public life with a smarter, more accurate and more humanized appearance, and become a reliable goalkeeper for our safe life.