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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 grown rapidly, and the shipping container yard has 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.
The informatization level of the current container logistics process is one of the bottlenecks restricting the development of today’s container transportation. The current status of domestic container management is: container information collection basically depends on manual transcription or semi-automation, and container supply chain circulation management, tracking and monitoring When the information is in isolation, only 65% of real-time accurate data is available. Manual collection of container number information is used for the circulation of containers, which is inefficient and difficult to realize port automation.
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, Weihai Beiyang Electric Group Co., Ltd. (Beiyang Group) provides a complete set of yard management system solutions to manage the entry and exit, loading and unloading, and storage of containers in the entire circulation field, which can be applied to various yards. Station management, customs management, and 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. The software system includes an RFID information management system and a station container management system. Container electronic label information includes two parts, one is fixed information, including serial number, container number, box type, size, etc.; the other is rewritten information, including cargo information, waybill number, port of departure, port of destination, ship name and 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 the 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.
Third, the overall system architecture
The container management system realizes the tracking and control of the entire container process, and can implement strict specifications and requirements from the unified coding of containers, entry and exit stations, entry and exit of customs gates and other processes.
The business process of the system is summarized into three major links: daily container management, entry and exit station management, and entry and exit gate management. Each link is based on the specific conditions of container transportation, combined with the requirements of RFID technology for supervision and control of the whole process.
Four, system process design
Taking a complete container lane as an example, a container number collection system and an automatic release control system are installed on the lane. The work flow of the lane system is as follows:
1) The system starts to work: turn on the vehicle detector and wait for the vehicle to arrive;
2) When the vehicle arrives at the bayonet, the vehicle detector detects the vehicle and announces the arrival status of the vehicle to the system master. The system master decides to start the license plate recognition based on the configuration timing information;
3) The box number identification is completed and the box number identification completed status is issued to the system master, and the electronic license plate is completed. The electronic license plate completed status is issued to the system master. When the system master receives the box number identification completed and the electronic license plate identification completed status, the box number identification The module and the electronic license plate recognition module stop working;
4) The system main control determines the end of a collection work sequence according to the configuration timing information;
5) The main control of the system sends the collected data to the centralized monitoring center through the front-end agent and waits to return;
6) The main control of the system receives the release instruction, controls the display to display the information, and controls the electronic lever to lift at the same time;
7) The vehicle leaves the bayonet, the vehicle detector detects that the vehicle has left, the electronic gear lever falls, and the system continues to wait for the arrival of the next vehicle.
Five, automatic inspection program for the container at the gate
When all consigned vehicles arrive at the depot or customs gate, they will enter and exit in line. The gate is equipped with electronic devices such as readers and antennas to realize automatic identification and management of vehicles, which can identify vehicle information in two-way and long-distance, with a reading distance of 5-10 meters, and non-active to ensure the highest efficiency. At the same time, it cooperates with the ground-sensing coil to prompt the command to the vehicle to ensure the smooth entry and exit of the vehicle.
Six, 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 problems of manual number copying that are prone to human error and the information exchange in the whole process is not timely
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 long reading distance, RFID tags can identify distances 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.
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