Electronic entrance guard is a control network system composed of CPU-centered controller, information collector and electronic lock. Through the information reading and processing of the system, the automatic control of various door lock switches can be realized. According to the information reading mode, it can be divided into card type, induction type, image recognition type, eye iris recognition type and so on. Their scientific and technological content and system cost increase in turn.
Working principle of access control: induction card is generally called contact card, and it is necessary to brush magnetic card to achieve control purpose. Generally, an induction card includes an IC chip, an induction coil and a capacitor element. The induction card is the transmitting and answering end, and the induction card reader is the receiving end, which is similar to a generator and constantly transmits frequency. When the card approaches the transmitting frequency range of the card reader, the coil in the card will receive this frequency and generate energy, which will be stored in the capacitor. When the energy reaches the excited state, the password burned on the IC chip in the card will be sent to the card reader for identification, and then the door can be opened. The frequency of card readers of various brands in the market is different, so the cards will not be interoperable and cannot be used.
The main purpose of setting up the access control management system is to ensure the safety of equipment in the above areas and areas, facilitate the rational flow of personnel, implement various forms of access permit management for personnel entering these important areas, and restrict personnel from entering and leaving at will. Employees who want to enter the controlled area must swipe their cards in the card reader next to the door before the door can be opened. The monitoring terminal controls the card reader at each door through the field control interface unit and the system centralized controller. According to the system settings, each card can only open the door within the specified range within the specified time. At the same time, prevent outsiders from breaking in casually. If someone forcibly breaks the door or leaves the door open after work, the access control equipment will send out an alarm signal, and the alarm house number will be displayed on the monitoring terminal immediately. The purpose of access control system design is to control personnel's access rights and record access information. ? I believe that after the above description, readers have a perceptual understanding of the principle of access control system. ? The entrance guard safety management system is a new modern safety management system integrating microcomputer automatic identification technology and modern safety management measures, which involves many new technologies such as electronics, machinery, optics, computer technology, communication technology and biotechnology. It is an effective measure to solve the entrance and exit problems of important departments and realize safety management. Suitable for all kinds of security departments, such as banks, hotels, computer rooms, armories, confidential rooms, offices, intelligent communities, factories and so on.
Practicality of access control system: the function of access control system should meet the actual needs. Can't be flashy. If we unilaterally pursue the advanced nature of the system, it will inevitably lead to excessive investment and deviate too far from the actual demand. So? The practicability of the system is the first principle that should be followed first. At the same time, the front-end products and system software of the system have good study habits and operability. Especially operability (convenience), so that managers with primary computer operation level can master the operation essentials of the system through simple training and reach the operation level of completing duty tasks.
Do you understand after reading it? There are so many high-tech applications in the electronic forbidden door. The power of science is great. Remote control information technology has occupied the mainstream of the world. Friends who like scientific research pay more attention to the development of the latest technology and watch more programs about technology. I hope everyone will study scientific knowledge seriously, instead of being illiterate in 2 1 century, be high flyers in 2 1 century. The rabbit will stop here. Thanks for watching.
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