The access control system refers to the forbidden authority of the "door" and is the guard against the "door".The "door" here, broadly speaking, includes all kinds of passageways, including people passable door, vehicle passable door and so on.Therefore, access control includes vehicle access control.In the application of parking lot management, vehicle access control is an important means of vehicle management. It is not for the purpose of collecting parking fees, but mainly for the management of access rights of vehicles.

　　The entrance and exit security management system is a new type of modern safety management system, it set computer automatic identification technology and modern safety management measures as one, it involves electronics, machinery, optics, computer technology, communication technology, biological technology and many other new technologies.It is an effective measure to solve the problem of security management at the entrance and exit of important departments.Applicable to all kinds of confidential departments, such as banks, hotels, garage management, machine room, armory, confidential room, office, intelligent communities, factories and so on.

　　Development trend of access control system

　　The changing course of traditional access control can reflect some future trends.

　　First, the robustness of card reader technology is improving.Since tape swipes are bound to cause wear and tear, non-touch technology can avoid this problem.The service life of the card is limited due to material breakage and wear during use, or the need to renew or re-issue the card.As technology advances, the new passport will be biometric, which solves the problem of card life.As the limitations of some of the existing old systems are removed, the utility of biometric systems is bound to increase.For this to happen, biometrics must be integrated into the access control system when used.

　　The second development trend of access control is decentralized control function.Whereas the lock and the key are giving control to the delegator.Once the system is electronic, control is also distributed from the central security control system to the "smart" controller via a simple card reader interface.An extension of this trend is the further integration of controls into card readers and even into cards.Smart cards are of great significance to the access control industry.They can store large amounts of data, can be read or updated, can provide advanced encryption and passwords to protect stored data, and can provide processing power through computing programs.

　　There may be new specifications for access systems that store biometric and access permission data on cards and encrypt them so that only local card readers can use the data.Biometrics will be used to interpret the card's data and gain access.The card reader must somehow connect to the authorization database and can update the card's information as needed.Data communication has evolved from scratch, from mechanical locking systems to wired systems using proprietary protocols, to systems using network standard communication protocols.The more data communications develop, the less reliance will be placed on the cables connecting devices.Wireless communication is becoming more and more popular, and network service will become the cornerstone of future database communication information system.

　　reliability

　　The main purpose of entrance guard system is to prevent loss and crime, so it must have high reliability.An access control system, most of the time in its operation may not have alarm, so there is no need to alarm, the probability of alarm need to alarm is generally very small, but if the alarm system failure in this very small probability, often means the advent of disaster.Therefore, the access control security system in the design, construction, use of each stage, must implement the reliability design (redundancy design) and reliability management, in order to ensure the high reliability of products and systems.

　　Authoritative attestation

　　In addition, in the system design, equipment selection, commissioning, installation and other links are strictly implemented on the national or industry standards, as well as the public security departments related security technology requirements, products must pass a number of authority certification, and has a large number of typical users, many years of normal operation.

　　security

　　Access control and security system is used to protect the safety of personnel and property, so the system itself must be safe.The high security mentioned here, on the one hand, refers to the natural or quasi-natural properties of the product or system, which should ensure the safety of the operation of the equipment and system and the safety of the operator, for example:The equipment and system itself should be able to prevent high temperature, low temperature, warm heat, smoke, mold, rain, and can prevent radiation, electromagnetic interference (electromagnetic compatibility), impact, collision, drop, etc., the operation safety of equipment and system also includes fire prevention, lightning protection, explosion prevention, electric shock prevention, etc.;On the other hand, the access control and security system should also have the function of preventing human damage, such as: the protective shell with anti-damage, and with anti-demolition alarm, anti-short circuit and open circuit, etc.

　　functional

　　With the continuous improvement of people's requirements for access control system, the application scope of access control system is more and more extensive.The application of access control system is not limited to a single entrance and exit control, but also requires that it can not only be applied to intelligent building or intelligent community access control, attendance management, security alarm, parking lot control, elevator control, building automation, but also with other systems linkage control and other control functions.

　　According to the relevant industry people believe that the traditional means of personal identity identification can not fully meet the needs of modern social economic activities and social security precautions.In order to eliminate the man-made unsafe factors, only the identity identification certificate which is not easy to be replaced by others, imitation, and even the identity certificate which cannot be transferred by itself can be competent.Therefore, from the ease of use, security, maturity and cost aspects such as comprehensive comparison, with the continuous advance of the IT (information technology), with recognition technology matures, with the rapid development of computer technology, access control technology developing rapidly, is at an astonishing degree of fast from the traditional keyboard, CiKaShi to induction card, smart card and multi-function card in the direction of development.

　　Now access systems can even provide global access using satellite networks.From the rapid growth of the access control system can be seen that the market for the product has gradually matured, to change the past alarm and monitoring products dominating the world situation, by the experts recently executed the forecast shows that the induction access control system market is growing at an alarming rate of 300% per year.

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