Cold chain logistics solution based on RFID

Cold chain logistics management generally refers to a systematic project where temperature-sensitive products are always in a prescribed low-temperature environment in the production, storage, transportation, sales, and before consumption to ensure the quality of items and reduce logistics losses. It is a low-temperature logistics process based on refrigeration technology and using refrigeration technology as a means. The cold chain consists of four aspects: frozen processing, frozen storage, refrigerated transportation and distribution, and frozen sales. Typical temperature-sensitive products-dairy products; other fresh foods (12% of fruits and vegetables, 50% of aquatic products, 18% of pasta, 20% of meat, 28% of cold drinks); garden products (flowers, etc.); blood, vaccines, medicine .

We can often see from the media that food and pharmaceuticals have caused major personal accidents and economic losses due to the lack of effective cold chain logistics management during production and transportation. In this regard, the Chinese government has successively issued relevant food safety supervision laws and regulations to regulate the management of the cold chain supply chain. For example: In April 2005, the Beijing Municipal Industry and Commerce Bureau began to implement "cold chain" sales management in the city's distribution enterprises, requiring meat, cooked meat products, soy products, dairy products and other perishable food products to "In a low temperature environment" to ensure the quality of food to the greatest extent; on April 19, 2005, the State Council also promulgated the "Regulations on the Administration of Vaccine Circulation and Vaccination".

At this stage, China still lacks an effective cold chain logistics management method. The lag of the original monitoring technology is the biggest technical bottleneck. At present, the main sticking points of China's technical measures are: manual measurement and paper records; no unified data system support; poor real-time performance and supervision disconnection; difficulty in obtaining evidence, inability to determine responsibility; inability to conduct early warning and large loss rate.

In response, Sichuan Kailuwei Electronics Co., Ltd. recently launched the "RFID Cold Chain Temperature Management System". Through advanced RFID technology, in the logistics management and production process management of fresh food and pharmaceuticals that require appropriate temperature management to ensure quality, the temperature changes are recorded on the "RFID tag with temperature sensor" to the freshness of the product. Degree and quality are managed meticulously and in real time. Can easily and easily solve the problem of deterioration in the circulation of food and medicine.

Features of this system:

1. The RFID tag with temperature sensor is provided as a package together with the application program, and the operation is simple.

a) RFID tags can be used repeatedly, with low cost, built-in high-energy lithium battery, and long battery life (5 years).

b) RFID is easy to operate, read and write at a long distance (up to 30 meters). No manual intervention and no need to break away from items.

c) RFID tags provide ID codes, and can continuously record temperature data, have accurate time records, easy to define responsibility, and facilitate information traceability.

d) RFID tag data storage capacity is large, 4 KB standard storage capacity, can be expanded to 256 KB storage capacity.

e) Small label volume: 8cm (length) × 2.5cm (width) × 1.5cm (height).

2. You can quickly grasp the most important temperature conditions during transportation in freshness management.

3. Promote the improvement of freshness management in the circulation process (improve shipping methods, select logistics routes).

4. If necessary, it can be expanded to establish a cold chain monitoring center data platform covering the entire cold chain process by an enterprise or alliance.

5. It can promote the safety of fresh food to consumers and establish a brand image. Provide consumers with "reassuring" services and establish a brand image; provide temperature data records to enhance core competitiveness and meet higher-level "green food consumption" needs.

6. Comply with food safety regulatory requirements. HACCP requirements for food safety and quality control: In accordance with the requirements of the HACCP system, in addition to inspecting the shelf life, outer packaging, and food appearance of the food when purchasing raw materials, it must also strictly check the internal temperature of the food and the continuity of the temperature during transportation.

7. The temperature index can be set dynamically for easy use.

Quick and easy implementation

The working mode of the system is very simple. The temperature collected by the temperature sensor is written into the chip of the RFID tag regularly. When the RFID tag receives the antenna signal of the RFID reader, the temperature data in the RFID chip is uploaded to the RFID reader. Processed by the back-end system. This system can monitor the temperature change of a managed object in real time to achieve real-time monitoring and early warning management; it can also read all the point-to-point supply chain temperature data at one time, generate a static temperature change chart, and simply complete the temperature change of the supply chain. Supervision.

Sichuan Kailuwei's "RFID cold chain temperature management system" took into account the different needs of customers in the early system design. In the early stage of the software architecture, it focused on the smooth upgrade and scalability of the system. On this basis, you can easily add the customer's personalized needs to the system. Thus forming an information platform built on the basis of a powerful RFID data collection. The system also supports message middleware so that the system can be easily integrated with customers' existing systems.

The application of RFID is undoubtedly the bright spot in the future of information system integration. The combination of "RFID cold chain temperature management system" and RFID food safety solutions will inevitably provide consumers with reassuring food and medicine, and make new ones for human well-being. Contribution.

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