Electronic weight-calculating toll collection system using laser radar

Abstract

The invention relates to an electronic toll collection system and particularly discloses an electronic weight-calculating toll collection system using laser radar. A grating and an electronic induction coil are replaced through the laser radar arranged on an electronic toll collection (ETC) lane, and the laser radar is used for separating weight-calculating vehicles. Meanwhile, the laser radar judges driving direction of a vehicle, traces the vehicle in the ETC lane in real time, judges the length of the vehicle in advance when the vehicle enters into the ETC lane and guides a super long vehicle to turn into a manual toll collection (MTC) lane to pay toll. Two quartz crystal sensors are arranged and used for measurement of vehicle shaft set so that weight-calculating accuracy can still be maintained when the vehicle passes through the ETC lane in a high speed. The electronic weight-calculating toll collection system using the laser radar is compact in structure, reasonable in design, wide in application scope, accurate in detection. The electronic weight-calculating toll collection system has functions such as early warning a super long van and judging cheating means such as pound jumping.

Description

(1) Technical field [0001] The invention relates to an electronic non-stop toll collection system, in particular to an electronic non-stop toll collection system using laser radar. (2) Background technology [0002] Electronic toll collection (ETC) has been widely promoted in China. However, the currently operating ETC lanes only support vehicle-based charging, and most highways in China implement weight-based tolls for freight vehicles. Most freight vehicles cannot feel the benefits of ETC lanes. Convenience; In addition, at some toll stations with many trucks, vehicles queuing up to pay the toll during the congestion period will cause the passenger cars equipped with electronic tags to be unable to transfer to the ETC dedicated lane, which will also reduce the efficiency of toll collection. At present, there have been some researches on electronic toll-by-weight without parking in China, including research on lane layout, selection and layout of dynamic weight sensors,...

AI Technical Summary

Problems solved by technology

At present, dynamic weighing technology mostly uses infrared grating and electromagnetic induction coil to separate vehicles. This separation technology has a certain error rate. Manual toll collection can be reviewed by the toll collector, and the wrongly separated vehicles can be merged or split. But in the ETC lane, there is no manual review step. Even if the ETC lane is on duty, it is too late to modify the weight data error, and the vehicle separation error directly affects whether the calculation of the toll is correct, which will cause user complaints or Loss of highway tolls;

[0004] (2) The weighted vehicle queuing problem

Dynamic weighing will maintain a queue of weighed vehicles. After each vehicle passes the weighing platform, it will be added to the tail of the queue. After the vehicle is released, the vehicle will be deleted from the head of the queue, and the vehicle will be deleted from the tail of the queue after reversing. driving direction); for the front-end ETC lane, the vehicle may also turn to the adjacent MTC lane, and in some cases, it cannot be ruled out that a vehicle inserts from the adjacent lane into the ETC lane, which will cause vehicle order confusion ;

[0005] (3) Verification of vehicle length

The "Technical Requirements for Toll Road Network Toll Collection" issued by the Ministry of Transport in 2007 stipulates the size requirements of the toll island for the implementation of toll by weight, but the maximum length of the vehicle that can complete the dynamic weight in the lane is subject to the actual lane length, the installation position of the weighing platform and the toll. Influenced by various factors such as location; in order to avoid overlong vehicles entering the weight-based ETC lane, the vehicle length can be verified in advance, but the vehicle length recorded in the OBU issued for the truck is difficult to be true and accurate (for example, the length of the trailer will change);

[0006] (4) Cheating issues such as the driver skipping the scale and braking

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