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Background introduction
In recent years, a large number of overrun transportation vehicles have driven on highways, causing serious damage to the highways, greatly shortening their service life, and endangering the lives and property of the people. In actual management work, it is difficult to visually judge the size of the load of vehicles in motion. The system combined with the use of dynamic weighing can effectively solve the problem of dynamic highway charging, reduce manual intervention, and improve economic benefits.
In view of the current trend of tolls by weight in the domestic transportation department, the application of dynamic truck scales in road management and toll management is imperative. The phenomenon of “traffic bottleneck in inspection stations” is generated, which affects traffic flow. The combination of our company’s long-distance automatic vehicle number recognition card system and dynamic truck scale will fundamentally solve this problem.
System functions and features
1. Through this system, the purpose of “road freight vehicles according to actual weight” can be easily realized.
2. Through this system, it is very convenient to realize the “overweight vehicle restriction” and achieve the purpose of protecting the highway.
3. Since this system uses radio frequency technology to provide an effective distance of 5-8 meters between the identification card and the card reader system, it can realize the function of “non-stop inspection” and prevent the occurrence of “traffic bottlenecks in inspection stations” and affect traffic flow.
4. The label card is passive (without battery), and the effective use time is more than 10 years, and the operating temperature is -40°C to 85°C.
5. This equipment can work in harsh environments such as high dust, oil pollution, rain and snow. 6. The card has a globally unique ID number to prevent cheating. Even if the card is changed maliciously after the weighing process, the card number does not match the vehicle information recorded by the central system and can be easily investigated.
System equipment composition
Vehicle identification card
Reader
Supporting antenna
System workflow introduction
1. When the truck enters the highway entrance, the driver receives a label card from the staff. The card contains the unique ID number and the code set by the road management department. If necessary, the license plate number and Relevant information such as vehicle type, road location, etc. is entered into the computer and connected to the central server through the computer.
2. When passing the weighing checkpoint, drive on the dynamic truck scale at a certain speed, and at the same time the driver gently shakes the tag card in the handle of the car in the direction of the card reader antenna, and the card reader will quickly read the card After the card reader reads the card number, the card reader will issue corresponding instructions to prompt the driver to read the card successfully. At the same time, the vehicle load recorded by the vehicle scale is output corresponding to the read tag card number and connected to the central server through the computer. At this time, if the vehicle is not overweight, the vehicle can enter the highway when the barrier is opened, and if it is overweight, it is forbidden to drive on the highway. (The connection diagram is as follows)
3. When the truck arrives at the toll gate, the same driver’s tag card in his hand is slightly swayed in the direction of the card reader antenna. When the card reader reads the card number, the corresponding instruction will be issued, such as “Please wait, the cost is being calculated” . At this time, the computer combines the read card number with the weight data of the vehicle and the number of kilometers traveled by the vehicle in the network center, and reasonably calculates the toll payable and displays it on the display. At this time, the driver puts the money with the tag card Give it to the toll collector to collect the invoice and the vehicle can be released when the barrier is opened.
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