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1. System background
At present, in some leaky coal mines or mining enterprises, there are many engineering vehicles responsible for pulling soil, sand, and coal. These vehicles operate 24 hours a day, and there are many vehicles connected to each other. Therefore, every day, coal mines or mining enterprises must assign special personnel at specified locations to carry out vehicle count statistics, count how many times the vehicles are pulled each day, and check whether each vehicle is full every time, whether it is empty, etc.
The automatic attendance counting system for transport vehicles developed in response to this situation adopts digital technology, display technology, control technology and international advancedRFIDTechnology, combined with computer software technology, implement unmanned management of transportation vehicles entering and leaving the project site. The system automatically judges and records the time and frequency of vehicle entry and exit, and automatically generates reports for query and printing.
2. System composition
The system mainly consists of long-distance card reading system, image capture system, LED display system, software management system, real-time monitoring video, and five sub-systems.
● Long-distance card reading system collects data from passing vehicles
● The image capture system can monitor the passing vehicles in real time, and the images can be captured instantly when the vehicle is swiped by the card, and the images are automatically saved, which is convenient for management personnel to check at any time
● The LED display system displays related content: “The XXth entry and exit of the XX car” for the driver and related personnel to view, making the system work intuitive and humane
● The software management system performs real-time registration, display and storage of vehicle information for drivers and managers to check and print data
● Real-time surveillance video monitors passing vehicles. It is also necessary to check whether each vehicle is full or empty every time. The real-time surveillance video is automatically saved, which is convenient for managers to check at any time.
Three, system characteristics
● Improve the accuracy of counting. Automatic counting and statistics of import and export vehicles are required. Manual counting is not required, which greatly improves efficiency and prevents human cheating. This system can realize bicycle statistics and group statistics.
● The staff can check the standard of whether the vehicle is full in the monitoring room. This system saves time and improves efficiency, which is beneficial to vehicle owners and coal mines.
● Manual inspection not only needs to check whether the vehicle loading is qualified, but also count the number of vehicles. When there are many vehicles passing by, it is easy to make mistakes; use RFID intelligent management to reduce economic losses caused by human factors.
● The system configuration has functions such as automatic card issuance, voice prompt, intercom function, image comparison, screen display, etc.
● Print output function: statistical results can be printed out in different file formats such as Excel; and can be set to automatically print the vehicle card number, card time, and other information when swiping the card; support ordinary printers and thermal paper or stylus printers;
● Real-time display function: When the vehicle reads the card through the intersection, the roadside display will immediately display the number of the card swiping vehicle and the number of entry;
● No-stop card swiping function: the vehicle will automatically read the card at a long distance through the intersection, and the driver does not need to get off the car or manually swipe the card, which greatly improves the efficiency of vehicle traffic;
● Voice broadcast function: The system automatically announces the successful card reading, which is convenient for the staff on duty and the driver to interpret the card status in real time.
Fourth, the system framework diagram
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