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1. Introduction to the system
The wave of economic globalization has integrated the world into a whole, and global trade has made the logistics and transportation industry flourish. Among them, the transportation of containers has become an inevitable trend in cargo transportation. my country’s annual container production capacity has long exceeded 5.8 million TEU, ranking first in the world! Container manufacturers and container transportation management companies have undertaken a large number of heavy statistical management tasks such as production and transportation, finished product transportation, and stacking storage. After the container leaves the factory, it is impossible to know the location and status of the container in real time, and whether it has arrived safely at the yard. The complicated procedures for entering and exiting the yard lead to long queues of consignment vehicles. In addition, find the designated container on the huge yard Very difficult, not only a waste of time but also error-prone. Since it is impossible to know the number of containers on the yard and the vacancies in real time, the utilization rate of the yard is invisibly low, and enterprise resources are wasted. At the same time, criminals use container smuggling cases to increase every year. After using RFID electronic tags, the electronic tags in each container will write the number of the container, which company it belongs to, the destination, the product code and other information. The problem can be traced to the source.
The UHF RFID technology of Shanghai Anzhen Internet of Things Technology Co., Ltd. can adapt to the harsh environment of the container production line and the metal box group of the storage yard. It can track the containers and consignment vehicles in real time during the offline and transportation links of the finished products, and realize the container ( Container production management), consignment vehicles (automatic freight settlement) and yard automatic management (container storage status) management. The RFID-based container management system uses UHF band products.
2. System composition
Readers, card issuers, electronic tags, antennas, on-board reader systems, factory exit monitoring subsystems, yard automatic management subsystems, and central monitoring subsystems.
Three, the system process
1. 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 onto the container and read by the stacker truck of the production plant The device system confirms the container number and leaves the factory.
2. Read the container before delivery. 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 exit 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.
3. 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 central Subsystem.
4. 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 verifies that the container should be removed after the container is picked up.
5. When the container is shipped out of the yard. The reader system at the exit of the yard reads the labels of the containers and vehicles that are out of the field, determines whether the boxes are transported boxes that 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.
Four, system characteristics
All equipment of the system meets the industrial-grade standards for dustproof, shockproof and high temperature. UHF electronic tag, stable reading and writing, long reading distance, suitable for identification of metal objects. The label has a magnet and can be directly attached to the container, which is easy to install and disassemble. In addition, the label can be recycled and reused, which saves business costs.
Readers are installed at key points such as the entrance of the container factory and the entrance and exit of the storage yard to realize dynamic reading of tags without stopping, which speeds up the delivery, transportation, and storage of offline products, improves the accuracy of information collection, and reduces staff Manual work in harsh environments.
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