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Due to the rise of the chain distribution system, the transformation of food circulation patterns, the refinement of specialization and the gradual popularization and maturity of low-temperature food, cold chain logistics has rapidly increased and become the focus of attention.
Cold chain logistics generally refers to a systematic project in which refrigerated and frozen foods are always in a specified low temperature environment during the production, storage, transportation, sales, and pre-consumption processes to ensure food quality and reduce food loss. It is established with the advancement of science and technology and the development of refrigeration technology. It is a low-temperature logistics process based on refrigeration technology and refrigeration technology as a means. However, at this stage, our country still lacks an effective cold chain logistics management method. The lagging of the original monitoring technology is the biggest technical bottleneck.
As a new type of automatic identification technology, RFID technology has gradually become an indispensable technical tool and means for enterprises to improve cold chain logistics management, reduce costs, and realize enterprise management information, especially to enhance the core competitiveness of logistics enterprises.
1. Problems in my country’s fresh food cold chain logistics
1. A complete cold chain logistics system has not yet been formed
At present, most of the fresh and live product logistics in our country are mainly in the form of room temperature logistics or natural logistics, and there is no continuous cold chain logistics. The non-refrigerated bulk fresh product logistics increases the chance of secondary pollution in the multiple loading and unloading of transportation, distribution and retail, reducing the freshness of the product and reducing the quality of the product.
2. Low degree of marketization and lack of professional operation
The logistics and distribution business of fresh products of chain enterprises in my country is mostly completed by manufacturers and distributors. The development of third-party logistics of food cold chain is very lagging, and the service network and information system are not sound enough, which greatly affects the quality and accuracy of food logistics in transit. And timeliness, at the same time, the cost of food cold chain and commodity loss are very high.
3. Fresh food logistics facilities are outdated and distribution costs
The existing facilities and equipment of cold chain logistics in our country are outdated, and the development and distribution are not balanced. They cannot provide low-temperature protection for the circulation of perishable food systematically, causing a lot of losses, high logistics costs, and potential safety hazards. There are not enough facilities in places with fewer users to guarantee the full temperature control of cold chain logistics, and it is difficult to guarantee the quality of goods.
Second, the superiority of RFID technology in the application of fresh food cold chain logistics
1. Track cold chain logistics and increase the transparency of fresh food cold chain management
The core of RFID technology is the EPC (product electronic code) on the label. Since EPC provides a unique identification of physical objects, the use of EPC can realize the logistics tracking of goods in the entire cold chain, and the RFID temperature tag can also provide temperature Monitoring ensures the quality and safety of goods in cold chain logistics. After the application of RFID technology, the entire flow of fresh food in the supply chain will be tracked in a timely and accurate manner from the beginning of production to achieve transparency.
2. Simplify the operation process and improve the efficiency of fresh food logistics
The characteristics of fresh food determine that its operation should be simplified as much as possible and the operation time should be shortened.Therefore, RFID tags are affixed on fresh food pallets and packaging boxes, and readers are installed at the exit/entrance of the distribution center, without manual operation, and can satisfy the forklift to carry the goods out/in the warehouse.
Information scanning requirements for library movement operations, and can dynamically identify multiple tags at a time from a long distance. This greatly saves the operation time of out/in storage, and improves the operation efficiency.
In addition, when the customer makes the final payment, he only needs to push the selected product through the RFID reader, and he can directly see the amount of consumption on the computer screen, instead of waiting for the cashier to use the scanner for a long time. Scan the products one by one before paying. This saves consumers’ time and improves the efficiency of retailers.
3. Reduce business management costs and increase market sales opportunities
RFID applied to fresh food inventory management can reduce manual review work, but it can ensure the safety of the quality of stored goods and reduce management costs. For retailers, when the automatic replenishment system shows that they need to be replenished, they can immediately place an order with the upstream company, and ensure that the required goods arrive safely and on time through practical RFID solutions and RFID technology, so that there will be no short or short periods. And the phenomenon of out of stock has also improved its own customer service quality, increased sales opportunities, and increased revenue.
Third, the application design of RFID in the supermarket fresh food sales link
1. The refrigerated truck of the distribution center arrives at the designated delivery point of the supermarket on time and unloads the goods. Supermarket staff use a handheld RFID reader to read all the goods information at one time and confirm the consistency of the goods information with the order form. If the information is consistent, update the relevant data in the retailer’s sales system.
2. Supermarket staff immediately push the goods into the supermarket and put them on the shelves for sale. Frozen food is put on the shelves in time to ensure that the supermarket will not appear “out of stock” or “out of stock” phenomenon, and meet the consumer demand of consumers and the sales demand of retailers.
3. The supermarket has installed an RFID reader above the freezer where the frozen food is placed, and the reading range of the reader can radiate to the entire area where the frozen food is placed. This freezer can use the reader to obtain the information in the RFID tag on each product package to automatically identify the newly added product.
At the same time, the RFID reader on the freezer can read the temperature information of the freezer in real time and feed it back to the supermarket management center in time to ensure that the temperature of the freezer is within a certain range to ensure the freshness of fresh food.
4. Customers take a certain amount of goods from the freezer, the RFID reader can automatically obtain the relevant information of the taken goods, and promptly send information to the supermarket’s automatic replenishment system.
5. The customer pays. RFID tags are affixed to the outer packaging of frozen foods. When the customer pushes the shopping cart through the door equipped with an RFID reader, the reader can identify the type, quantity, amount and other information of the goods in the shopping cart at one time, and the computer displays The screen will display the total amount of the customer’s consumption, and then the customer pays and leaves.
6. When the customer leaves after consumption, the supermarket’s sales system will be automatically updated immediately, and all the information of the products sold and the sales amount will be recorded. (
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