On-street parking management system based on UHF passive RFID

Abstract

The invention relates to an RFID-based parking management system, and provides an on-street parking management system based on UHF passive RFID. An antenna module and its corresponding sensing recognition area are arranged left and right along a driving direction, and are installed at a position adjacent to a corresponding road surface. The antenna module comprises an antenna array composed of atleast two strip-shaped element antennas and a power split phase shift control module, wherein the element antennas are connected to the power split phase shift control module, are arranged side by side at intervals and in parallel to each other, and are vertical to the corresponding road surface axially or have an acute angle with the normal of the road surface. An electromagnetic wave reflectingstructure is disposed on one or both sides of the antenna module along the driving direction. Therefore, the on-street parking management system is not required to damage the road surface, is easy toinstall and maintain, can be used with an existing geomagnetic induction system, is insusceptible to accumulated water and accumulated dust, has a good anti-interference ability, can adapt to externalcomplex environment, and is suitable for various types of on-street parking management.

Description

technical field [0001] The invention relates to an RFID-based parking management system, in particular to a UHF passive RFID-based on-street parking management system. Background technique [0002] With the increase of car ownership in our country, the problem of tight parking spaces in urban areas has become increasingly prominent. On-street parking has become an important part of urban highway traffic management, alleviating parking pressure and ensuring smooth traffic. Traditional on-street parking usually adopts manual billing or card bell type on-street parking charging system. Among them, manual billing is completely manually timed and charged; and the clock-type on-street parking charging system requires the driver to insert the parking card into the clock of the on-street parking space after parking to complete the on-street parking registration. To prevent parking without inserting the card, it also needs to be equipped with personnel to conduct inspections. There...

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Problems solved by technology

[0004] At present, the geomagnetic induction recognition parking charging system has been introduced and implemented in some cities, such as the E-parking system in Shenzhen, but according to the feedback of the implemented projects, due to the defects of geomagnetic technology, the system failure rate and complaint rate are very high, the main problem Including: 1. The geomagnetism is easily disturbed by the environment, and the phenomenon of geomagnetic signal jumps often occurs, which leads to errors in system deduction; 2. The response of the geomagnetic signal is delayed, resulting in car following, that is, the car in front leaves the parking space and the car behind enters quickly. parking space, but there is no signal change in the geomagnetic field, the system thinks that the vehicle in front has not left, and continues to deduct the fee for the vehicle in front

Relatively speaking, on-street parking is easy to enter and exit, and there are no exits and entrances. Therefore, the number of readers is large, and the environment is not indoors, which is greatly affected by the external environment. Therefore, how to reduce the reading rate while ensuring a certain level of recognition rate? The total implementation cost becomes the core issue of whether it is operable

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