Shenzhen Wencan Technology Co., Ltd.

Email: info@szwencan.comTel: +8613613060393

How does LPR system works
- 2022-09-16 -

1. Entrance procedure
A vehicle stops in front of the entrance, just before the barrier. The sensor detects its presence and a dedicated camera automatically recognizes and records the number plate, date and time of entry. The remote management system captures the data provided by the camera and enters it into the database. If already registered, the subscriber’s membership information and reservation data are added. The entrance barrier rises allowing the driver access to the car park. The barrier lowers automatically, once a vehicle passes the safety sensor.
Drivers of vehicles registered with an online account can enter and exit nominated car parks unimpeded. Parking charges are automatically debited from their nominated credit/debit cards at regular intervals via an online account.
2. Exit procedure
A vehicle stops at the exit, just before the barrier. The sensor detects its presence and the dedicated camera
verifies the number plate against payment information, or the listing of the vehicle on the database (e.g. subscribers). The management system validates correct payment, or entitlement to park without payment to enable exit. The exit barrier rises, allowing the driver to leave the car park. The barrier lowers automatically once a vehicle passes the safety sensor.

 

1 Booth- This structure is the working place for parking lot manager. They can manage entering vehicles and collect parking fee from leaving vehicles in this place.

2 Island- Structure for installation booth, barrier and LPR device.

3 Barrier- In order to control entering vehicles efficiently, barrier is installed in heavy traffic area and in case of need access control vehicles such as entry/exit.
4 LPR device- LPR device takes images of entering/leaving vehicles with high-definition meag pixel camera and it automatically recognizes plate number then access control/manage vehicles

5 LPR display unit- Install and link with LPR device, display recognized vehicles information and commutation driver information.

6 Loop coil is laid at entry of parking lot. The device will receive high frequency signal current from vehicle detector and make a magnetic field near loop coil. Once vehicle pass this field, send impedance changes to detector and convert voltage and amplify them and send detect information signal to booth.


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