Application case of smart card system in Wuxi Radio and Television Media Center
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Smart card has become a bright new star in the development of today’s world, it has penetrated into all fields of society, is changing people’s thinking, changing people’s working mode and lifestyle, and promoting the society forward. The Radio and Television Media Center is a modern media building that integrates the production, broadcasting, transmission, storage, office, service, and management of radio and television programs; it is the source of improving the level of people’s spiritual civilization. For this reason, the intelligent construction of the radio and television media center is particularly important.
1 Principles of system planning and design
The whole system takes practicality, stability, advancement, security, linkage and integration, expandability and compatibility, and economy as the orientation of planning and design.
2 Topological structure of access control card and selection of smart card
The all-in-one card system of Wuxi Radio and Television Media Center takes the access control system as the core system, and the data of other subsystems are mainly based on it, and their respective data are incorporated into its unified database. Based on this importance, it is necessary to elaborate on the functions and characteristics of the access control system.
The working mode of the access control management system adopts centralized management and decentralized control! The functions and features of each layer are described below.
2.1 Management
The main functions of the system management layer are data collection, coordination and control of various subsystems, and system parameter settings. It mainly includes servers and workstations. The server and workstation are connected to Ethernet LAN/WAN through TCP/IP protocol, and run Windows s9X/NT/2000/XP and other operating systems on it, and then run system software and its functional software on this basis. Since the management layer mainly includes data server, communication service and download server.
Management data server: mainly for data collection and storage, install access control and security integrated management system server software on this server, and use SQL SERVER database. Management communication server: This server is responsible for the communication, configuration and maintenance of the entire system information, it manages the operation of the entire system, and configures and defines the resources and rules of the entire security network. Management download server: This server is responsible for the real-time automatic download of the parameters set by the system and other settings, and it can also set various parameters of the workstation, and can monitor all the events that occur, and can be carried out by the operator. Manual control.
2.2 Control layer
The control layer is the decision-making body of the intelligent security integrated management system, which is an ARCNET ring LAN composed of network controllers, and transmits data at a speed of 156 k bits/ second to 2. 5M b its/ second. It has two major characteristics: First, it can tolerate damage to one of the points, that is, if the connection between any one controller is short-circuited or disconnected, the network can still operate normally. Second, the controller in the control layer can run completely out of the computer, it can be connected with the computer of the management layer by RS-232, RS485, TCP/IP and other connection methods, and accept the downloaded parameters and report this control. events that occur in the device and its subordinate devices.
2.3 Execution layer (device layer)
The executive layer is mainly composed of the access control controller (RC-2-I) and the input and output controller (IOC-16), which is a loop subnet of the RS-485 bus, which directly connects the front-end equipment of the system (such as card readers, exit buttons) , door magnetic switch, alarm probe, etc.), all operations are decided by the control layer through RS485 at a speed of 38 400 b its/second. It has two major characteristics: First, it has the ability of two-way communication, and has its own circuit breaker detection function, which ensures the reliability of communication. Second, all controllers adopt modular design, which can be combined flexibly. Once the controller is connected to the system, it is integrated with all the devices to realize the sharing of resources. Even if no computer is involved, any connected devices can control each other. These two characteristics are very in line with the application requirements of the Wuxi Radio and Television Media Center’s large construction area, long transmission distance and scattered on-site control units.
2. 4 Access card
Wuxi Radio and Television Media Center adopts internationally advanced non-contact one-card system equipment with strong network functions and high confidentiality. This project adopts dual-frequency composite card, which has two frequency bands of 125 kHz and 13.56MHz, which can be applied to the ID card access control system of the first phase and the IC card access control system of the second phase at the same time. Radio and television employees only need to hold the same proximity card to share the public database in each subsystem, realizing the value-added application of the one-card and possible one-card in the future.
3 The composition of the intelligent one-card system
3. 1 Access control management subsystem
The access control system is mainly composed of non-contact smart cards, card readers, access control controllers, network controllers, electric locks, access control servers (and management workstations) and related software. The system is located in the lobby of the Radio and Television Media Center, including main entrances and exits, elevators, TV program media asset library, TV equipment and equipment library, broadcast control computer room, program acquisition and transmission computer room, website computer room, computer information network center computer room, virtual telephone network computer room, microwave wireless Access control equipment is installed in important parts such as the receiver room, the early-stage video recording equipment receiving room, the post-program production area, the confidential archive room, the accounting room, the news center studio, and the conference room. All personnel need to swipe their cards to enter, and use the exit button to go out. . For important locations such as the financial room, the two-factor authentication method of swiping card + password can be used to enter and exit. The system can automatically record and save all card swiping events for the relevant personnel to query or provide data to other systems. When the person swipes the card, the display terminal of the monitoring center will send out a voice prompt immediately, automatically call up the card owner’s information and images, and automatically transfer the monitoring screen of the camera corresponding to the access control point to the designated monitor, so that the on-duty personnel can check and identify in time , if an abnormality is found, an alarm will be triggered immediately.
The system also has a dynamic electronic map function. When an alarm occurs, the dynamic electronic map at the alarm place will automatically pop up, and prompt the on-duty personnel in the form of sound and light information, so that the alarm location can be quickly determined, and it is convenient for the on-duty personnel to open the door directly on the map. Closing, arming, disarming, etc.
3.2 Attendance management subsystem
The attendance management system is a system that uses the access control system card reader or special card reader as the attendance point, and directly calls the database (SQL Server) of the access control system to realize the scientific management of attendance and human resources.
3.3 Online Patrol Management Subsystem
The online patrol system can monitor and monitor the patrol positions of security guards, patrol time of each patrol point, patrol security personnel, patrol routes and other information. In order to facilitate management and save costs, the existing access control system card reader can also be used as a patrol point to realize networked security patrol management, so that the monitoring center can understand the patrol status in real time and start an alarm when an abnormality occurs. The data it collects is incorporated into the database of the access control system.
3.4 Identity Authentication Management Subsystem
The IC card can save cardholder records, and has unique, mature, reliable, and simple and practical functions. The built-in cardholder has address fields and employee data fields, and also has 99 user-defined fields, and the card has the largest capacity. It can be defined as 32 bits, that is, the card user capacity of each site can be expanded to more than 4.2 billion. Each cardholder can attach a personal password, and can specify different door opening modes (card, password, card + password) in different time periods. Its biggest feature is that the user’s photo file is stored in the cardholder database, and the portrait comparison function of the access control point can be enabled when necessary.
The identity authentication management system can automatically activate or terminate the cardholder’s function according to time and date. For example, each single card can be assigned a number of times of use. Each time the card is swiped at the designated card readers, the counter in the database will be automatically decremented by one. The card reader is used; or the system allows the cardholder to recharge the number of times of use at any time, so that the cardholder can easily realize the fixed-amount consumption application.
3.5 Temporary visitor management subsystem
Wuxi Radio and Television Media Center often has non-internal staff to work in the building. In response to this situation, the system has a special temporary visitor management system. One set of visitor registration centers are set up at the entrance of the radio and television buildings, totaling 2 sets. The visitor management system is fully integrated into the access control security management system. The system provides simple and efficient means for visitor reservation, registration, check-in, tracking, check-out, etc., and provides post-event query and reporting functions. The device cooperates to realize channel management.
3.6 Consumption Management Subsystem
Set up a network-based consumption management system in the restaurant, configure 6 card readers, and require a unified database with the one-card system. The system automatically records the card number and consumption amount of each consumption, uploads it to the management host for statistical inquiry, and automatically generates various reports.
3.7 Card Production Subsystem
Card production system software, equipped with card printer and digital camera, can complete all card design and printing work. It can make a variety of certificate templates, such as work card, supervisor card, VIP card, temporary card, visitor card, etc. Its built-in designer can provide a wealth of imaging card design and production functions, users can use the minimum cost, convenient Flexible design of novel, personalized and professional access control cards. In order to facilitate the integration with the first-phase access control system, this design uses a dual-frequency composite card, which has the same appearance and dimensions as ordinary IC cards, and can be printed by ordinary card printers.
3.8 Elevator control subsystem
The system integrates the elevator control function, which can expand the management and control of the elevator. All personnel must swipe their cards to choose to enter the corresponding floor, which further improves the safety management of the owner. The elevator control system is used to define which elevator a cardholder can use during what time period. Install a proximity card reader in the car of each elevator to use with the control panel of the elevator system. When someone needs to go to the corresponding floor, they must swipe the card after entering the car, and then select the corresponding floor on the floor panel to go to the designated floor.
3.9 Equipment management subsystem of computer room
Set up a set of equipment loan management system for special equipment, a total of 2 sets. The computer room equipment management system and the one-card system use a unified database. The system can record and organize the renter, borrowed equipment, borrowing time, borrowing fee, and return time, and form corresponding reports for query. To achieve data sharing and mutual access.
4 Conclusion
The intelligent one-card system of Wuxi Radio and Television Media Center is a relatively complex large-scale system in domestic and foreign construction, and the nine subsystems discussed are highly integrated in this subsystem. This paper focuses on the overall planning and design of the intelligent one-card system, as well as the detailed discussion on the structure and implementation of its most important access control subsystems. Due to the limitation of space, only a rough introduction is given to other subsystems.
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