Wireless sensor for sensing vehicle license plate and parking management method using same

Abstract

The invention relates to an intelligent parking technology, in particular to a wireless sensor capable of automatically sensing a vehicle license plate by applying a Bluetooth technology and a parking management method applying the wireless sensor. The wireless sensor comprises a bottom box and a cover plate, a copper antenna is arranged in the cover plate, and a circuit board is arranged in the bottom box; the circuit board is provided with a power supply unit, a signal isolation circuit, a bus interface, a CPU processing unit, a storage unit, a timing unit, a signal decoding circuit, an analog-to-digital conversion circuit, a filter amplification circuit, a signal conversion unit, a Bluetooth module and a transmit-receive antenna. A wireless sensor is installed on the ground of a parking space, when a vehicle enters the parking space, the wireless sensor automatically recognizes chip information on a license plate of the vehicle through Bluetooth, the sensed vehicle information is transmitted to a CPU processing unit to be processed, processed data is transmitted to an area management machine, the area management machine records parking time and leaving time of the vehicle, and the parking time and the leaving time of the vehicle are recorded. And automatically charging and deducting the fee from a bank card bound to the vehicle, and meanwhile, sending fee information to the owner of the vehicle.

Description

technical field [0001] The invention relates to the technical field of intelligent parking, in particular to a wireless sensor for accurately judging parking vehicle license plate information, reducing vehicle parking management costs, and improving sensing vehicle license plates, and a parking management method using the same. Background technique [0002] At present, there are two ways of vehicle license plate recognition in the market: one is to use a camera to identify, using this method is too expensive, maintenance and management are difficult and costly, and the installation location is also limited, so it is not suitable for large-area parking spaces. Parking recognition management, generally only used to install one at the entrance and exit; [0003] Another identification method is to use a hand-held instrument to identify the license plate through infrared communication to scan the code. The cost of this instrument is also high, and the installation location is al...

AI Technical Summary

Problems solved by technology

[0002] At present, there are two ways of vehicle license plate recognition in the market: one is to use a camera to identify, using this method is too expensive, maintenance and management are difficult and costly, and the installation location is also limited, so it is not suitable for large-area parking spaces. Parking recognition management, generally only used to install one at the entrance and exit;

[0003] Another identification method is to use a hand-held instrument to identify the license plate through infrared communication to scan the code. The cost of this instrument is also high, and the installation location is also limited. The identification signal is easily blocked or cannot be recognized due to poor angles.

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