Intelligent parking lot system which a few parts are there?

The application of intelligent parking lot system is becoming more and more popular in commercial, industrial, communities can see its application, to say the intelligent parking lot system has become a part of modern life.With the popularity of intelligent parking lot system, people may produce such doubt: intelligent parking lot system which a few parts are there?Each part has what function?We have these problems to make a simple introduction.

we first look at the intelligent parking lot system topology, devices in our parking lot here, for example.Below:

intelligent parking lot system topology


from the diagram, we can see that the intelligent parking lot system mainly consists of the following parts:
management server: install the database, the yard fee record, image processing, preservation, query, print it.
IC card management center: issued to authorized card, report the loss of STH, hanging, deferred processing functions such as card.
the workstation: real-time monitoring of parking lot entrances, parking fee.
gateway control machine: to judge the legitimacy of the card, calibration, and vehicle in and out of the automatic control function.
the entrance gate: start and brake control.
network switches, realize the equipment connected to the Internet.
the camera: for in and out of the vehicle license plate image to capture, portrait, certificates, etc.(http://www.nthuanli.cn/)