Intelligent Food Cold Chain Logistics System Based on RFID Technology

With the continuous development of social economy and the improvement of people's living standards, people have more and more demand for fresh food, which also promotes the development of China's cold chain logistics industry, and also makes people have higher requirements for the quality and safety of fresh food. RFID technology is an automatic identification RF technology, which can be integrated with temperature sensors to track the cold chain process and monitor temperature changes. And its data will be automatically obtained, which can simplify the process of logistics operations such as cold chain transportation and storage, greatly shorten the logistics time and reduce the logistics cost. The monitoring of temperature changes can effectively ensure the quality and safety of food, so as to improve the safety of food. In addition, RFID technology can also track and record the whole transportation process of fresh food. Once there is a food safety problem, it can also facilitate traceability and distinguish rights and responsibilities, so as to reduce unnecessary economic disputes.

Generally, Desktop RFID reader writer will be installed in the warehouse of cold chain logistics. When the food with RFID electronic labels enters the reading range, the readers and writers in the warehouse will identify multiple labels at one time and upload the product information in the labels to the warehouse management system to confirm the specific product quantity. The warehouse management system can arrange the shelf position according to the position information, track and ensure that the goods can be accurately placed in the designated position. After the goods are put on the shelf, the RFID electronic tag will regularly measure the temperature according to the originally set time, upload the measured temperature data to the warehouse management system, and finally conduct centralized management analysis. When the goods are delivered out of the warehouse, the RFID reader will also quickly remove the labels on the food, record the delivery time and quantity, and upload them to the background system after statistics.

In the whole warehouse management link, the use of RFID technology can improve the efficiency of all links. At the same time, the data records in and out of the warehouse are also changed from the original manual handwriting to the import of electronic data, which can effectively avoid errors. When a large number of goods need to be warehoused, RFID technology can also identify them in batches, which significantly improves the work efficiency and saves a lot of manpower. In the process of inventory, the staff can also grasp the temperature information of the goods at any time. When there is an abnormal temperature, an alarm will be sent to remind the staff, effectively reducing the rate of damage.

In addition, during cold chain transportation, passive RFID tags are also installed on the cold chain transportation vehicles, which can detect and record the actual temperature in the compartment according to the specified time. In case of abnormal temperature during transportation, the system will also automatically alarm, allowing the driver to take emergency measures at the first time, which can well avoid the risk of chain breaking caused by human negligence. Moreover, when RFID technology is combined with GPS technology, it can realize the tracking of geographical location, real-time temperature monitoring and cargo information query, and can predict the accurate arrival time of transportation vehicles, so as to optimize the cargo transportation process, reduce the transportation time of cold chain logistics, and fully ensure the quality and safety of food.

The application of RFID technology in food cold chain logistics can track the whole flow process of fresh food from production, storage, transportation, sales and so on in real time and accurately, simplify the operation process of enterprises, improve transportation efficiency, reduce the cost of cold chain logistics, and ensure the quality and safety of fresh food. In addition, through the integration of passive RFID cards and temperature sensors, enterprises can also realize the whole process monitoring of cold chain temperature, effectively prevent chain breakage caused by damage, ensure the traceability of food quality and safety, improve food safety, and make people more worried about buying. The application of RFID technology in food cold chain logistics can improve the management level of food cold chain logistics and make a fundamental change in the fresh food industry.

Publicado en Technology en julio 10 at 07:49
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