RFID intelligent parking lot management system,Blocking Card RFID

　　RFID intelligent parking lot management system

　　1. System introduction

　　The RFID intelligent parking lot management system is developed for the wireless identification of vehicles in the parking lot, automatic charging without parking, and intelligent management. Due to the rapid increase in the number of vehicles used by enterprises and individuals in recent years, it is urgent to adopt modern means to implement efficient and intelligent management of various parking lots in the urban area to meet the needs of parking lots to adapt to fast-paced vehicles entering and leaving, and parking. The RFID intelligent parking lot management system meets this need in time and becomes one of the most popular parking lot management systems.

　　2. Principle of RFID (Radio Frequency Identification) Technology

　　Radio frequency identification (RFID) technology is the most advanced fourth-generation automatic identification technology in the world. It has just emerged in recent years and has been rapidly popularized and applied as a new technology. , strong anti-interference ability, long service life, can penetrate non-metallic materials and other characteristics, a wide range of applications. The intelligent parking lot management system effectively prevents the damage and interference caused by human factors to the parking lot management through the long-distance passive radio frequency identification technology, realizes the intelligent and scientific management of the parking lot of buildings and property communities, can control the loss of expenses and improve the operation efficiency , to ensure vehicle safety.

　　The vehicle users managed by the parking lot are divided into two categories: (1) Fixed users: they are regular customers of the parking lot, and they have to enter and exit the managed parking lot several times almost every day; (2) Temporary users: refer to those who only enter and exit the managed parking lot occasionally. One-time FIT in the parking lot.

　　For fixed users, the existing parking lot management system adopts the method of issuing monthly pass cards to reduce the registration and inspection procedures when he (she) enters and leaves the parking lot. However, at present, most of the monthly pass cards are close-range cards. Every time the driver enters and leaves the parking lot, the driver must also open the glass window, extend the monthly pass card in front of the card reading device and shake it a few times, so that the blocking lever can be lifted and the vehicle can be allowed to enter.

　　If a long-distance monthly pass card is used, just stick the monthly pass card on the windshield of the car. Every time the vehicle arrives at the gate of the parking lot, the remote card reading device will determine whether the controllable lever is lifted, so the fixed user vehicle does not need to stop. , Drive straight in. This greatly improves the traffic efficiency of vehicles and reduces pollution; at the same time, it avoids various inconveniences caused by bad weather such as wind and rain.

　　Third, the use of equipment

　　The equipment used is a UHF reader, and the core equipment includes a 915MHz wireless reader and a passive automotive windshield electronic tag.

　　The main performance of the equipment is as follows:

　　? The system consists of readers, electronic tags and supporting integrated accessories

　　?Using 915MHz high-frequency radio frequency, suitable for all-weather and harsh environment applications

　　? Passive car windshield electronic label

　　? Non-contact reading distance: less than 4 meters

　　? The maximum transmit power of the reader is 2w, and the minimum is 200mw

　　? Comply with the US FCC safety standards

　　Schematic diagram of wireless identification work and installation

　　4. Schematic diagram of RFID intelligent parking lot management system

　　A brief description of the system scheme:

　　1. The system has two sets of readers, one is placed at the entrance and the other is placed at the exit;

　　2. The reader and tag used in this system are automatic wireless identification equipment. The reader has a strong control function. According to the set parameters, it can automatically control the action of the stopper after reading the registered tag ID. This system can switch the automatic control mode to the manual control mode under special circumstances, and realize the manual control and operation of the railing machine;

　　3. The computer system software in this system can fully meet the requirements for data recording, storage, management and printing; when the computer fails, the reader can continue to work and can save hundreds of vehicle entry and exit information;

　　4. In the schematic diagram, it is proposed to use the ground-sensing coil detector to control the falling of the railing, in order to prevent the vehicle from suddenly breaking down when passing the railing and stop driving, the railing will not fall according to the normal whereabouts and smash the vehicle, and the user can make a choice according to his needs.

　　5. Schematic diagram of management software

　　This system can rewrite the software according to the user's special requirements for management.

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