(Summary description)Vehicle flow acquisition controller with coils embedded at entrances and exits. This collection method uses the accumulation algorithm, and installs two coils at each entrance and exit of the parking lot to detect the direction of the vehicle, and thus realizes the accumulation or accumulation of the statistics of the vehicles entering and exiting. This method has the advantages of low cost and simple construction, but there is a certain cumulative error (usually about one thousandth), and statistical data must be calibrated regularly. All collected information must be transmitted to the data center through the industrial control local area network bus (CAN bus) on the parking guidance controller, and then the parking lot data processing center will release the processed data through the CAN bus

• Time of issue:2020-06-23