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At present, people’s demand for fresh food in coastal and developed cities in China is increasing, and they are paying more attention to the quality and safety of food. This has also promoted the development of cold chain logistics of agricultural products, and the requirements for quality and safety have promoted Application of new technology. Tianjin Little Bee wants to combine RFID technology with temperature sensors to create a complete set of solutions that simplifies the logistics operation process of cold chain transportation and storage of agricultural products, shortens logistics time and reduces logistics costs. Monitoring temperature changes and managing the logistics environment can ensure food quality, reduce the possibility of food spoilage, and improve food safety. RFID technology can track and record the entire logistics process. Once a food safety problem occurs, it is convenient to trace the source and distinguish responsibilities, thereby reducing economic disputes.
RFID (Radio Frequency Identification Technology) is a technology that automatically recognizes the ID of a target through radio frequency signals to obtain object information and obtain related data.RFIDThe technology can realize moving targets and multi-target recognition, can penetrate non-metallic materials, has a large amount of data storage, strong anti-interference ability, has strong environmental adaptability, and can be widely used in various occasions.
The impact of RFID technology on each link of the cold chain logistics of agricultural products:
1. Traceability of agricultural product production and processing links
In the cold chain logistics of agricultural products, agricultural products generally come from the planting base, and the processing factory enters the RFID electronic tag of each type of agricultural product of the food supplier, and provides the electronic tag to the supplier in advance before the purchase of the food in the processing plant. Place the label on the explosive equipment when shipping. When agricultural products arrive at the factory, pass RFIDReaderFor information collection, if the temperature exceeds the preset temperature range, the factory can reject it.
At the same time, the processing enterprise is equipped with a temperature monitoring system in the workshop to monitor the environmental conditions of the agricultural products. After the packaging is completed, a new electronic label is attached to the packaging, and the new processing date and supplier information are added to facilitate traceability. At the same time, the factory can know the quantity of agricultural products at any time while packaging, so that it is convenient to arrange staff in advance and improve work efficiency.
2. Improve efficiency in warehousing
Warehousing is currently the most important part of the cold chain logistics of agricultural products, and it also occupies an important part of logistics costs. A reader is installed in the warehouse of cold chain logistics of agricultural products. When the agricultural product package with electronic tags enters the sensing area, the reader can dynamically identify multiple tags at a time from a long distance, and transfer the product information in the tags to the warehouse management system. The warehousing management system compares the quantity and type of goods with the warehousing plan to confirm whether it is consistent; analyzes the temperature information in the label to determine whether the food logistics process is safe; enters the time and quantity of the goods into the back-end database.
The warehousing system arranges the position of the shelves according to the position information, calculates the moving distance of the goods in the warehouse, and tracks the goods to ensure that the goods are placed in the correct position. After the goods are put on the shelf, the label periodically records the measured temperature at a predetermined time interval, and transmits the temperature data to the reader in the warehouse, and finally summarizes it to the back-end database for centralized management and analysis. When leaving the warehouse, the label on the food packaging is also read by the reader, and the storage system is compared with the export plan to record the time and quantity of the warehouse.
In the entire warehouse management link, the application of the RFID system can improve the efficiency of each link. Data entry in and out of the warehouse has changed from manual to electronic data import, which reduces the manual entry process. When large quantities of goods are in and out of the warehouse, RFID can identify batches, which can significantly improve efficiency and save manpower. The basic information of the goods, including the origin, type, temperature, etc., can also be obtained from the label, and can be checked directly at the warehouse door, reducing the link of verification and unpacking inspection, and saving operation time. Collect cargo temperature information at any time during the inventory process, and the system can issue an alarm when an abnormality occurs, reducing the rate of cargo damage. If RFID technology and EDI technology are jointly applied, it can increase the amount of cross-docking operations, greatly shorten food logistics time, reduce inventory levels, and thereby reduce logistics costs.
3. Real-time tracking of transportation links
During the cold chain logistics and transportation of agricultural products, the transportation vehicles are equipped with fixed labels, and the cold and fresh food packages are also equipped with labels, and the actual temperature is detected and recorded at a predetermined time interval. Once the temperature is abnormal, the system will automatically alarm, and the driver can take measures in the first time, thus avoiding the risk of chain disconnection caused by human negligence. The combined application of RFID and GPS technology can realize geographic location tracking, real-time temperature monitoring and cargo information query, can accurately predict the arrival time of vehicles, optimize the cargo transportation process, reduce transportation time and loading idle time, and fully guarantee the quality of food.
With the application of RFID technology, the entire flow process of agricultural products from the beginning of production will be tracked in a timely and accurate manner, which simplifies the operation process of the enterprise, shortens the operation time, and meets the requirements of cold and fresh food. At the same time, it shortens the time of purchase and delivery, improves the efficiency of loading and unloading, and improves the accuracy of all links of logistics, so that the supply cycle is shortened, the inventory is optimized, and the cold chain logistics cost of agricultural products is reduced.
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