原文：
Intelligent Entrance Guard System
Intelligent entrance guard and safety management system is a new type of modern safety management system, which combines the microcomputer automatic identification technology with the modern safety management practices into an organic whole. It contains lots of new technologies such as the electronic, mechanical, optical, computer technology, communication technology, biotechnology, and so on. It is an effective measures to achieve the goal of implementing safety management at the inward and outward of important departments. It can be applied to all kinds of confidential departments, such as banks, hotels, generator
rooms,the armory, confidential rooms, offices, intelligent communities, factories etc. With th
e rapid development of digital technology and network technology today, access control technology finally gets the good chance to develop rapidly. Entrance guard system has far transcends the pure doorway and key has gradually developed into a set of complete access management system.
1 The Development of Entrance Guard System
污泥制砖
Inward and outward entrance guard system just as its name implies is a control system of managing the inward and outward channels, which is developed on the basis of the traditional door lock. The traditional mechanical lock is just a simple mechanical device, so no matter how reasonable the structural is designed, how strong the material is made, people can always open it through various means. Key management is very troublesome in places like offices and hotel rooms where so many people entering and leaving the passageway. Whenever the keys are lost or employees are replaced, locks and keys must be renewed. In order to solve these problems, electronic card lock and electronic trick lock are invented. These two kinds locks’ appearance raised the management level
of inward and outward channels from a certain extent and has impelled the channel management to enter the electronics era. But with the continuous application of these two kinds of electronic locks, the defects of themselves are gradually exposed. The problem of magnetic card lock is the easy replication of the information, a greater degree of wear between card and card reader, high failure rate and low safety factor. The problem of combination lock is that the password is easy to leak and we do not have even any small clue to investigate with, so the safety coefficient is very low. At the same time, it is easy to be unlocked by people outdoor because most of the reading card (password) and the control part is installed together outside the door at this period. Entrance guard system in this period have remained in its early immature stage, so the entrance guard system is usually ddtsf
referred to as electronic locks, which has not been widely applied. With the development of inductive card technology and the biological recognition technology in recent years, the entrance guard system has got a leap-style development and has entered into the mature period. they have their special strong points in various aspects like safety, convenience,
manageability, etc. The application fields of entrance guard system is becoming more and more abroad.
2 Function of Entrance Guard System
Basic functions realized by mature entrance guard system: The management of the channel access permissions.
·Access permissions are set to formulate who can pass in and out each channel and who can't.
· The way to pass in and out the channel means to scope out the authorization of the way to pass in and out to people who can pass in and out the channel. The ways to pass in and out includes entering password, reading the card(biometric), reading the card(biometric) plus entering password.
· Access time means to set the range of time during which people who have the permission can pass in and out. The function of real-time monitoring
System administrators can keep a watchful eye on the situation of
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people passing in and out of each gate region(there are photos as well at the same time) and the situation of each gate region(including the door switch, warning in various kinds of abnormal conditions) through the microcomputer in real-time; they can also open and close all the door area in emergency conditions.
Function of querying records of in and out:
System can store all the in and out records, status. You can query the records and status according to different querying conditions. It is equipped
自动输入
验证码with corresponding attendance software so as to realize the purpose of checking-in and guarding with one piece of card. Function of abnormal alarming:
蚀刻因子
It can realize microcomputer alarm or alarm with siren in exceptional cases, such as: illegal intrusion, not closing the door overtime, etc.
谷氨酰胺合成酶It can also implement the following special features according to different entrance guard system:
Fire alarm monitoring linkage function: The entrance guard system can automatically open all the locks to let the people inside to escape at any time in the event of a fire alarm.
Automatic monitoring linkage commonly refers to the monitoring system which will record the situation at that time and the warning condition when someone charges (valid/invalid).
Settings, managing and monitoring functions of the network : most of the entrance guard system can only use a microcomputer management, but advanced technology of the system can set, monitor, query and manage the whole system at any location which has been authorized in the network. It also can set, manage, query and monitor in a different place through the INTERNET.
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