What is the application of RFID technology in rfid access control system?

　　Many domestic industries have used RFID radio frequency identification technology. Examples include the industrial and logistics sectors, including asset tracking and logistics, waste management, animal identification, retail and manufacturing, and healthcare. All tags will be stored in the device with read and write functions, so that the stored data of the tags can be updated or read in time, and ultimately improve business performance through tracking or quality control. So, what is the application of RFID technology in the access control system?

　　Access control system, as its name implies, is a system for controlling entrance and exit passages. It is developed on the basis of traditional door locks. The entrance and exit security management system is a new modern security management system, which integrates microcomputer automatic identification technology and modern security management measures. It involves electronics, machinery, optics, computer technology, communication technology, biological technology and many other new technologies. It is an effective measure to solve the security management of the entrance and exit of important departments.

　　The traditional mechanical door lock is just a simple mechanical device. No matter how reasonable the structure design is and how strong the material is, people can always open it by various means. It is very troublesome to manage the keys in the passages with many people entering and exiting (such as office buildings, hotel rooms). If the key is lost or the personnel are replaced, the lock and key must be replaced together. In order to solve these problems, electronic magnetic card locks and electronic cipher locks have appeared. The appearance of these two types of locks has improved people's management of entrances and exits to a certain extent, and brought the management of channels into the electronic age. With the continuous application of electronic locks, their own defects are gradually exposed. The problem of magnetic card locks is that information is easy to copy, the wear between the card and the card reader is large, the failure rate is high, and the safety factor is low. The problem with the password lock is that the password is easy to leak, and it is impossible to find out, and the safety factor is very low. At the same time, most of the products in this period used the card reader part (password input) and the control part to be installed outside the door, so it was easy to be unlocked outdoors. The access control system of this period was still in the early immature stage, so the access control system at that time was usually called an electronic lock, and it was not widely used.

　　In recent years, with the development of proximity card technology and biometric technology, the access control system has been developed by leaps and bounds, and has entered a mature stage. There have been proximity card access control systems, fingerprint access control systems, iris access control systems, and facial recognition access control systems. Various technical systems such as out-of-order keyboard access control systems have their own advantages in terms of safety, convenience, and ease of management, and the application fields of access control systems are becoming wider and wider. Among them, the access control system based on RFID technology is more common.

　　Radio frequency identification (RFID) technology is the specific application and development of automatic identification technology in radio technology. Its basic principle is to use radio frequency for non-contact two-way communication to achieve the purpose of identification and data exchange. Therefore, it can achieve multi-target identification , Movement target recognition and remote real-time monitoring and management. The communication distance can be from a few centimeters to tens of meters. Its main advantage is that it has strong environmental adaptability and is not affected by rain, snow, hail, dust, etc. It can work around the clock, and it can complete automatic identification, tracking and management without contact. Penetrate non-metallic objects for identification, strong anti-interference ability.

　　RFID access control system has already surpassed the traditional doorway and key management functions. The safety requirements of the modern working environment, departmental administrative management, daily attendance management, company catering consumption, etc. are all closely related to the access control system. Departments such as apartments, residential quarters, factory patrols, company R&D technical departments, medical units' non-disturbance areas, finance and finance are the best places for RFID access control systems. The installation of RFID access control systems in some public exits and entrances such as office places and residential apartments can effectively prevent unauthorized people from entering and protect the safety of these places to the greatest extent. If an accident occurs during a certain period of time, you can inquire about all the video data and information such as the entry and exit record data of the monitoring terminal during that period after the event, so as to provide existing evidence.

　　In addition, an open access control system is installed at the entrance of large conferences and the passages of important event venues. When participants or other people passing in and out of the passage, the system automatically senses the RFID electronic tag invitations or identity cards held by the participants Credentials to confirm the identity of personnel entering and exiting. Legitimate users pass normally, and at the same time, the identity information of the passing personnel and the photos captured on the spot are displayed on the screen in real time, and the guards on duty can compare and confirm. When people who do not have relevant identification certificates or those who hold illegal certificates pass, the system equipment will prompt an alarm, and the guards can prevent them from entering in time. For sports venues, concerts and other recreational facilities, the RFID system can provide a series of access control functions for ticket management. This can reduce the loss caused by the forged ticket. Tickets can be made by barcode printers with simple cards with RFID technology, and at the same time, RFID cards can be made into membership cards, monthly cards or annual cards; moreover, the tickets do not need to be taken out, they can be read on the body. Realize open access control management.

　　The RFID open access control system not only has all the functions and characteristics of the traditional ordinary access control system, but also has the characteristics of open multiple people to pass quickly and record the personal information of each entry and exit at the same time. When a person wearing a radio frequency identity card passes through the gate, the information in the identity card is automatically collected by the system without manual intervention, making the access control management work more convenient. The electronic label card has a long service life, which can be read and written repeatedly more than 100,000 times, and the service life is more than ten years.

　　In practical applications, in order to achieve a more secure use effect, the application of open access control systems often includes a comprehensive application of open and non-open access control systems. The open access control system mainly consists of RFID electronic tags and reading Antenna part, video access image comparison and verification part, upper computer software control four parts and remote control software based on LAN/WAN.

　　In the vehicle entrance and exit control, the access control system applies radio frequency identification technology, which can realize that vehicles with effective electronic tags do not stop, which is convenient and time-saving, and improves the efficiency of intersections; more importantly, it can carry out vehicle access to communities or parking lots. Real-time monitoring can accurately verify the identity of the vehicle and the owner of the vehicle, maintain regional public order, and make the security management of the community or parking lot more humanized, informatized, intelligent, and efficient. This will also be part of the smart parking management system.

　　RFID technology is very important to the application of access control systems, and the stability of the rfid components that constitute the access control system will affect the application of the entire access control system. Broadwid has focused on rfid hardware research and development for 10 years, providing rfid antennas, electronic tags, rfid access control, etc. Independent research and development of products, a number of international patents, is an ideal partner.

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