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About the traceability system of agricultural products
The “Agricultural Product Quality and Safety Traceability System” is an information management system that can connect production, inspection, supervision, and consumption, so that consumers can understand the production and circulation processes that comply with health and safety, and improve consumers’ confidence. The system provides a traceability model of “from farmland to dinner table”, extracts the public traceability elements that consumers care about in the supply chain links of production, processing, circulation, consumption, etc., and establishes a database of agricultural product safety information. Once problems are found, they can be traced based on the source. Effective control and recalls protect the legitimate rights and interests of consumers from the source.
Technical composition of agricultural product traceability system
1 RFID information technology collection
The agricultural product traceability management system will useRFIDAdvanced technology and relying on network technology and database technology to realize information fusion, query, and monitoring, provide reasonable safety for each product, source of agricultural products, and inventory control for each production stage and the process of distribution to the final consumption field. Make decisions to realize the early warning mechanism for agricultural product safety. RFID technology runs through the safety of agricultural products, including production, processing, circulation, and consumption. The entire process is strictly controlled, and a complete industrial chain agricultural product safety control system has been established to form a closed-loop production and sales of various agricultural products enterprises to ensure To provide society with high-quality and assured agricultural products, and to ensure high-quality data exchange in the supply chain, so that the agricultural product industry can thoroughly implement the source tracking of agricultural products and provide complete transparency in the agricultural product supply chain.
2 WSN IoT technology
WSN (Wireless Sensor Network) is a multi-hop self-organizing network system formed by a large number of low-cost micro sensor nodes deployed in the monitoring area. Its purpose is to cooperatively sense, collect and process the network coverage area. Information about the object being sensed in and sent to the observer. Sensors, perception objects and observers constitute the three elements of wireless sensor networks. The important technology that constitutes the WSN network, zigbee technology is gradually accepted by the market with its advantages of low complexity, self-organization, low power consumption, low data rate, and low cost.
Zigbee wireless technology, with long-distance transmission characteristics, Shunzhou Technology adopts enhanced zigbee technology, and launched the zigbee wireless data transmission module, which conforms to the wireless data communication technology for industrial standard applications. It has small installation size, long communication distance, and anti-interference Strong ability, flexible networking and other advantages and characteristics; can realize the transparent transmission of data between multiple devices; can form a mesh network structure of MESH type, in the agricultural product traceability system, it is mainly to realize the transmission of related data and information interaction.
3 EPC Global Product Electronic Code System
The full name of EPC is Electronic Product Code, which is called product electronic code in Chinese. The carrier of EPC is RFID electronic label, and realize the transmission of information with the help of the Internet. EPC aims to establish a global and open labeling standard for single products with no comments, and realize the tracking and tracing of single products on a global scale, so as to effectively improve the level of supply chain management and reduce logistics costs. EPC is a complete and complex integrated system.
The agricultural product traceability system will combine EPC technology to unify all circulation links (including production, transportation, and retail) to form an open and queryable EPC Internet of Things, thereby greatly improving the traceability of agricultural products.
4 Logistics tracking and positioning technology (GIS/GPS)
To achieve the traceability of agricultural products, it is necessary to run through the entire process of agricultural products, including production, processing, circulation and sales. The entire process must be strictly controlled, so as to form a complete industrial chain agricultural product safety control system to ensure the provision of high-quality agricultural products to the society. Rest assured of agricultural products, and can ensure high-quality data exchange in the supply chain,
Let the agricultural product industry thoroughly implement the source tracking of agricultural products and the ability to provide complete transparency in the agricultural product supply chain. Therefore, the logistics and transportation links are extremely important for the safety of the entire agricultural products. The application of GIS (Geographic Information System) and GPS (Global Satellite Positioning System) technology has just solved the problem of accurate tracking and real-time positioning in the process of logistics transportation. GIS is based on geospatial data and adopts geographic model analysis methods to provide a variety of spatial and dynamic geographic information in a timely manner. It is a computer technology system that serves geographic research and geographic decision-making. Especially in recent years, GIS has played an increasingly important role in GPS and route optimization with its powerful geographic information spatial analysis function. GPS (Global Satellite Positioning System) is a system that uses geosynchronous satellites and ground receiving devices to calculate the latitude and longitude coordinates of the current target device (receiving device) in real time to achieve positioning. Now more and more logistics systems use the combination of GIS and GPS to determine the operating conditions of transport vehicles. The agricultural product traceability system can effectively monitor and locate agricultural products by building a transportation positioning system.
Agricultural product traceability structure
Technical advantages
1 Realize the record of the full name of agricultural product information in circulation links such as production sites, wholesale markets, supermarkets, etc., to achieve the effect of interlocking and documented;
2 Using Internet of Things technologies such as zigbee to connect all links together urgently to avoid data loss or human intervention in the circulation of agricultural products, and to ensure the safety and trustworthiness of agricultural products;
3 The entire system can easily and quickly understand the origin and transportation process of agricultural products through computer Internet and other technologies, and improve the safety supervision of agricultural products.
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