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The parking lot manages the entry and exit of multiple fixed vehicles daily, and the parking distribution of vehicles is relatively scattered, frequent entry and exit, and the daily management and safety supervision of vehicles are difficult. This requires highly intelligent management methods to realize the construction of park information management. In-depth understanding of vehicle access and complexity, apply UHF RFID automatic identification technology to the intelligent parking management system, and improve the information management of the park. At present, our fixed automatic identification products can be widely used in enterprise transportation management systems and metering management systems, logistics gate management systems, urban traffic management, advanced intelligent parking management and other fields.
1. System goals
Provide a platform for real-time monitoring information for park management personnel and realize standardized and orderly management of intelligent vehicles; while facilitating vehicle entry and exit, strictly monitor entering and exiting vehicles, effectively controlling illegal vehicle entry and exit and preventing vehicle theft; system operation is stable and reliable, safe and confidential.
1. Rich functions
It has functions such as automatic identification, intelligent control, image capture, alarm prompt, information recording, data communication, query, statistics, analysis, etc.; at the same time, it has the characteristics of convenient expansion and easy upgrade.
2. Stable and reliable
It has redundant and fault-tolerant performance; the system has fast processing speed, high reliability, good stability, low error and leakage rate, and has data backup and data recovery capabilities.
3. Realize normal vehicles to pass quickly without stopping
Using the technical advantages of long-distance rapid identification, through the steps of automatic vehicle identification, database data comparison, automatic control of barriers and railings, the passage of vehicles is controlled, and vehicles can pass without stopping.
4. Prevent the vehicle from being stolen
Carry out digital management of vehicles in the park; by automatically identifying license plate information, the time of vehicle entry and exit can be tracked, and relevant file information can be retrieved at the same time.
5. Data security
There are access authority controls at the network level, system level, and database level; it has the ability to check the legal identity and use authority of users; data is encrypted;
Two, the system plan
1. System composition
This system is a high-tech product integrating automatic identification technology, access control technology, computer control technology, network technology, and wireless transmission technology.
Automatic vehicle identification system
When the vehicle is moving, the data with vehicle registration information on the vehicle can be automatically entered into the computer through the roadside read-write device instantly. The computer compares the automatically read license plate number data information with the database information to check whether it is a legal vehicle After a series of comparisons, whether it is a vehicle in the blacklist, etc., provide control commands to the access control subsystem.
Access control subsystem
Receive the control commands issued by the computer control system, control the automatic opening and closing of the barriers, and realize automatic release operations.
Control subsystem
Receive various detection signals, including coil detection, automatic identification, and exchange data with the server. Receive control commands issued by the server and control the operation of the access control subsystem of the channel.
The data information collected by the RFID handset is connected to the server of the management center through wireless transmission to ensure real-time data.
2. Network structure
The intelligent vehicle management system is a wireless computer network composed of a back-end management system and a front-end control system through wireless transmission equipment. The network communication protocol adopts the TCP/IP protocol. The channel identification system in the front-end control system uses a small local area network system composed of 10/100M Ethernet for identification and peripheral control.
3. Management platform
The background management platform includes: management computer, card issuance reader, card issuance dedicated antenna, wireless node access device (wireless HUB), antenna and background card issuance management software, report printer.
4. Channel recognition system
(1) Working principle
Install an electronic radio frequency tag on the vehicle. When the vehicle enters the forbidden antenna communication area, the antenna uses microwave communication to exchange two-way data with the electronic identification card, and the relevant information of the vehicle is read from the radio frequency tag. And write the vehicle information and other related information (such as: vehicle entry and exit signs, passing time, etc.) into the database together. After receiving the instruction from the control computer, it controls the barriers and signal lights, and intelligently manages and controls the entry/exit of the vehicle.
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