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1. Project background
With the integration of the world economy, my country’s trade with other countries in the world has continued to develop, the throughput of container ports has increased rapidly, and shipping container yards have also been greatly developed. With the increase in the number of yards and the continuous expansion of the scale, how to effectively manage containers and how to track them accurately and in real time when entering and leaving the yard is a major problem faced by yard builders and managers.
UHF RFID technology can adapt to the harsh environment of the container production line and the metal box group of the yard. It can track containers and consignment vehicles in real time during the offline and transportation of finished products, and realize the realization of containers (container production management) and consignment vehicles ( (Freight automatic settlement) and yard automatic management (container storage status) management.based onRFIDThe container management system adopts UHF RFID non-contact identification technology to realize intelligent container management.
2. System introduction
The system can realize the problems of manualization, low business efficiency, imperfect business data management and insecurity in the container transportation process of each yard. In view of the current situation, based on UHF RFID technology, a full set of yard management system solutions are provided to manage the entry and exit, loading and unloading, storage and other management of containers in the entire circulation field, which can be applied to various yard management and customs management , Monitoring center management.
The container management system includes two aspects: hardware equipment and software system. The hardware equipment consists of an RFID automatic identification system and a communication system, and the software system includes an RFID information management system and a station container management system. Container electronic label information includes two parts, one part is fixed information, including serial number, container number, box type, size, etc.; the other part is rewritten information, including cargo information, waybill number, port of departure, port of destination, ship name, voyage, etc. .
The container management system includes real-time collection and automatic identification of container information, data statistics and analysis, and provides customers with container information query services, monitoring and recording of containers, hauling vehicles, incident times, operators, and container stacking positions passing through the crossing. It can track the container in real time, grasp the location and status of the container in real time, accurately find the designated container, realize the management of the container and yard status, and provide customers with container information query services, effectively improve the utilization rate of the yard, and improve customer satisfaction , To save corporate resources.
Three, system composition
Card issuer, reader, electronic tag (containerelectronic labelAnd trailer electronic tags), antennas, on-board reader systems, factory exit monitoring subsystems, yard automatic management subsystems, and central monitoring subsystems.
● Central monitoring center subsystem: monitor the operation of other subsystems, and exchange information with other subsystems. Carry out container information management and consignment vehicle information management, data statistics and analysis, freight settlement, and provide customers with container information query services.
● Factory monitoring subsystem: monitor and record the information of the factory container, the information of the consigned vehicle, the occurrence time, the operator, etc. Statistically analyze the delivery status of various containers.
● Yard container management system: monitor and record the information of the containers passing through the gate, the corresponding hauling vehicle information, the time of the incident, the operator and other information, manage the container stacking position information in the yard, and quickly and accurately find the status of the container; with an image 2D container yard map and the functions of placing and finding containers.
Fourth, the work process
● Write card in container workshop. When the manufactured finished container is off the production line, the corresponding container information, such as the container code, is written into the blank electronic label through the system software and the card writer, and the label with the written code is adsorbed on the container and read by the stacker truck of the production plant The device system confirms the container number and leaves the factory.
● Read the container at the factory. Confirm that the factory container will be transported out of the production plant by trailer to the storage yard, and the reader installed at the factory’s export will read the container label information and trailer information (if the label reading fails, the export monitoring point staff can manually enter the box number) and transmit it to the factory In the monitoring subsystem, the system is uploaded to the central monitoring subsystem through the Internet network.
● Reading at the entrance of the yard gate. When the container enters the yard gate, the reader at the yard entrance gate reads the container and vehicle tags, saves the vehicle information, container information and its matching relationship, arrival time, etc. to the yard management subsystem, and uploads it to the center at the same time Subsystem.
● Place/pick up containers in the yard. After the containers enter the storage yard, the stacker truck system places the containers according to the stacking position allocated by the central subsystem. The vehicle-mounted reader automatically reads the information of the captured container, and the data interacts with the central database of the control room through wireless data transmission. After verification, the container is stacked to the position indicated by the system graphics. When picking up the container, the stacker truck system finds the corresponding container according to the graphic instructions, the reader reads the electronic tag on the container, and it is verified that the container should be removed after being picked up.
● When the container is shipped out of the yard. The reader system at the exit of the storage yard reads the labels of the containers and vehicles that are out of the field, judges whether the containers should be out of the field, and after confirmation, matches the vehicle information and the box information, and saves the information and the departure time in the local database and the central database (MAS database). If the container information is successfully read, the staff will remove the label for recycling and enter the next round of applications.
Five, system characteristics
1) Automatic and rapid collection of information, without manual involvement in the whole process;
2) Effectively eliminate the problem of wrong and missing containers during transportation;
3) Solve the problem of manual number copying that is prone to human error and the lack of timely information exchange throughout the process;
4) Real-time positioning of the single container to ensure safety monitoring in the entire process chain;
5) The system uses RFID electronic tags, which have a globally unique ID code, which is durable and cannot be tampered with or copied;
6) The label storage capacity is large, and each container can be uniquely identified;
7) Wireless identification, and the reading distance is long, the RFID tag can identify the distance of more than 10 meters;
8) Strong anti-interference ability, able to adapt to the complex environment of multiple metals;
9) Anti-pollution ability and durability, water, oil, chemicals and other substances have strong resistance.
Six, system implementation benefits
The solution is also suitable for container management in major ports and terminals, and can be extended to the management of inter-provincial and municipal long-distance land and sea transportation of containers and the management of container transportation vehicles.
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