The language is cloud: People, take food as the sky. In recent years, people's attention to food has risen to a higher level-"food, safety first." From mad cow disease and foot-and-mouth disease to water-injected meat, poisonous leeks, problem milk powder, Sudan Red No. 1, etc. The problem is constantly threatening the health of the people. Solve the adverse impact of food safety issues on the construction of a harmonious society, establish an effective food safety supervision and traceability system, identify the accident link in the first time, and provide food safety warning information to the masses of people in time. The batch of food recalls to protect the health of the people has become the current primary responsibility of food companies and industry regulatory authorities. The links between cross-links in the food industry supply chain are relatively fragile, which is the biggest problem in the implementation of tracking and tracing. So, how can a food safety traceability system be established from "farm (pastoral) farm to table"? Food hygiene and safety are directly related to human health and life and death. Our government attaches great importance to food safety issues and has taken many measures, but food safety issues still occur from time to time. Under such a severe situation, it is urgent to establish an effective food safety monitoring and traceability system from farm (pastoral) to table. The emergence of RFID technology has undoubtedly brought a series of effective solutions to the food safety supervision and traceability problems. Features and advantages of RFID technology RFID technology is widely used in various fields of society. Because it can automatically identify target objects and obtain relevant data through radio frequency signals, the identification work does not require human intervention, and is waterproof, antimagnetic, high temperature resistant, long service life, large reading distance, and on the label. Data can be encrypted, the storage data capacity is larger, and the storage information can be changed freely. It has been widely used in food safety monitoring and traceability systems. Based on RFID technology, the food industry has established a relatively complete food safety tracking and tracing system, that is, by adding RFID electronic tags to food and its raw materials, combined with sensors, GPS (Global Positioning System), GIS (Geographic Information Technology), etc. Food is tracked and recorded in the status of raw materials, production and processing, logistics and distribution, warehousing, retail and consumption, forming a complete traceable supply chain record, so as to achieve the whole process of food "from farm (pastoral) farm to table" Track and trace, find hidden dangers to food safety in time, eliminate problem foods, and ensure food safety. So far, the application of RFID technology from production, to supervision, to logistics, anti-counterfeiting, and even traceability, throughout the entire food industry chain from beginning to end, to play a prominent role in ensuring people's food safety. [next] Application of RFID technology in various fields of food industry 1. Application of RFID technology in food anti-counterfeiting Due to the current imperfect legal system in our country and the non-standard market, some criminals at home and abroad, in order to make huge profits, specialize in counterfeiting famous and high-quality products, substituting good products with false ones, forming a certain counterfeit and shoddy commodity market, and seriously disrupting the social market economic order. Most of the fake and inferior foods are famous wines, health products and famous specialty products. Compared with other anti-counterfeiting technologies such as digital anti-counterfeiting, laser anti-counterfeiting and other anti-counterfeiting technologies, RFID has the advantage that each tag has a globally unique ID number and cannot be modified and counterfeited; no mechanical wear, anti-magnetic Performance, anti-fouling and waterproof; RFID readers have physical interfaces that are not directly open to end users to ensure their own security; there is a mutual authentication process between readers and tags; and RFID can withstand high temperatures and use Long life and large storage capacity; tags are easily integrated into various products, which can greatly increase the difficulty and cost of counterfeiters. Second, RFID technology is used for food tracking and tracing The concept of traceability defined in the EU's General Food Law is: the ability to trace and track food, feed, food animals or substances that are expected to be added to food or feed in all stages of production, processing and sales. The food safety traceability system is to use modern information labeling technology to effectively mark each node of the entire process of the food supply chain. The food chain, raw materials, processing, packaging, storage, transportation, sales and other links in the supply chain are fully quality controlled and Tracking and tracing, information flow and physical logistics are systematically combined. Once health hazards are found, according to the information that must be recorded in all links of the entire production and sales process, the flow direction is tracked, and food safety emergency response measures such as food recall or delisting are taken. Food tracking and tracing is the main application of RFID technology in the food industry. The application of RFID systems can ensure high-quality data exchange in the food supply chain, thoroughly implement the "source" food tracking program and provide full transparency in the food supply chain. The RFID system can provide the connection between food and sources in the food chain to ensure the clarity of the food source to track specific animals or plants and farms, so as to achieve "from farmland to table" quality monitoring and traceability. In recent years, there have been many food safety incidents endangering human health in livestock and poultry and their products in the world, such as the "mad cow disease incident" in the United Kingdom, the "dioxin incident" in Belgium, the "O157 outbreak epidemic" in Japan, and the "foot-and-mouth disease" Incident "and the" SARS Incident "in 2003 and the" Avian Influenza Incident "that affected many countries and regions in 2004. A series of large-scale meat and meat product safety incidents have resulted in considerable losses and serious consequences. The US government requires food cattle to be accompanied by electronic tags. Using RFID technology to track livestock and poultry, to obtain the connection between meat food and its animal source in the food supply chain, you can trace the source of meat food to achieve the purpose of providing people with peace of mind. The Beijing Food Safety Supervision and Coordination Office proposed in 2006 to use ear tags and foot tags on animal products in key breeding bases, and to use RFID technology in slaughtering, production and circulation to realize animal product breeding, acquisition, slaughtering, segmentation, and transportation 3. Sales information is recorded to form a trace file for easy tracking. Shanghai has established a pork monitoring system based on RFID technology, and put electronic radio frequency ear tags on pig ears to record pig feed, medical records, feeding, group transfer, quarantine and other information. RFID cards are used for "point-to-point" supervision before entering major city crossings and slaughterhouses to ensure that pigs enter the designated slaughterhouses. In the wholesale market, through electronic tags, record the origin of the pork traded, the transaction time, and the safety inspection results of edible agricultural products. Third, RFID technology is used for food quality monitoring In the processing and storage of food, factors such as temperature, humidity, and time have a great influence on food quality, and it is very important to record and analyze these factors. The combination of RFID technology and sensor technology can sense the status information of the surrounding items and the environment such as temperature, humidity, and light, and can use wireless communication technology to conveniently transmit these status information and its changes. FreshAlert has built-in temperature sensors and timers in RFID tags to signal when food is rotten and inedible. SYSCO, the largest food service marketing and distribution organization in North America, has completed the testing of wireless radio frequency and sensor systems for low-temperature storage and transportation systems, indicating that RFID technology has the ability to monitor temperature and environmental conditions during food transportation. Japan ’s NTT has carried out experiments using RFID technology to keep wine quality fresh, and to monitor changes in rice wine quality by monitoring temperature changes during transportation. Fourth, RFID technology is used for food logistics management In order to ensure that food will not be mistakenly sent or lost in transportation and circulation, or to reduce logistics costs and improve transportation efficiency, the entire logistics process needs to be monitored and managed. The application of RFID technology to the food logistics management system can give full play to its long-distance identification and multi-tag simultaneous processing characteristics, greatly improving the food sorting ability, processing speed and accuracy, and reducing the occurrence of mis-delivery or loss Huge losses. In addition, when tracking important materials or dangerous goods, or searching for a certain fixed item among many items, the application of RFID technology can also greatly improve the efficiency of work. Transport companies and sales companies can also grasp the latest position of goods through unlimited radio frequency identification technology, and can prevent problems such as theft and package adjustment. Canadian Atlas Refrigerated Storage Group widely uses RFID systems in its food logistics cold chain in low temperature environments, which not only reduces the labor intensity of workers, but also greatly improves efficiency, and promotes the integration of food cold storage and cold chain management . The Australian company Moraitis has replaced the bar code with the RFID system to manage the transportation and sales of its hydroponic tomatoes. The system can provide the company with accurate data, including the packaging time, location, packaging date and quality, category and size. In the past five years, Shanghai Wufeng listed companies have put into operation RFID slaughtering and implementation of the production monitoring and management system to mark and load related data to the pigs, and realize the data collection and information management of the whole process of slaughter and production, so that production managers can grasp and understand in time Product production and quality status. Five, the application of RFID technology in other aspects In addition, RFID technology can be used for the control of processing objects and processing stations to ensure the precise control of the product's precise formulation and improve product quality; RFID technology can also quickly identify the cause of product failure and improve product quality in a timely manner; RFID technology can also be used In the breeding industry, it can be used to identify animals, record and control plague, etc. Mainly include collar electronic tags, button electronic ear tags, ear injection electronic tags, and rumen electronic tags placed through the esophagus information. [next] Difficulties Faced by RFID Technology in Food Safety Traceability Application At present, some large enterprises in China have begun to use RFID technology to establish a food safety traceability system, but they have not yet fully used it. They mainly face the following difficulties: (1) Globally unified article coding issues and frequency band standard issues Countries around the world have formulated many RFID standards, but there is still a lack of a uniform international standard for food traceability, which has caused great difficulties in food export. If the item coding information is not uniform, or the frequency bands on the entire chain are not uniform, it will inevitably cause great inconvenience to reading, writing, querying, tracking and backtracking, and may not even enjoy any convenience brought by RFID. (2) Cost issues At present, affecting the explosive large-scale application of RFID, price is a very important factor. It is true that individual products are affixed with RFID tags, which inevitably requires that the price of the tag is very low, just like the current barcode. If costs can be basically ignored, large-scale outbreak applications will follow. (3) Information chain problem The use of RFID tags can effectively identify products, their attribute information, and participant information in the entire process of the food supply chain. Food tracking and tracing requires each processing point in the food supply chain to not only identify the products that it processes, but also collect the existing identification information on the processed food raw materials and mark all the information in the processing. The finished product can be used by the next processor or consumer. This is like an interlocking chain. If any link breaks, the entire chain is disconnected. The cross-links in the food industry supply chain are relatively fragile, which is the biggest problem in tracking and tracing. The popularization of RFID technology in the food industry poses opportunities and challenges to the screen printing industry Although there are still some difficulties in the application of RFID technology, RFID technology itself has the advantages of waterproof, anti-magnetic, high temperature resistance, long service life, large reading distance, strong confidentiality, large storage data capacity and can be changed freely. The food safety traceability system can help enterprises achieve transparent management of the production process, improve the production efficiency of the enterprise, promote the improvement of product quality, and establish a good brand of enterprise products. We have every reason to believe that with the advancement of technology, the development of society and the improvement of people's consumption level, the application prospect of RFID technology in the food field is extremely bright. The food industry has promoted the vigorous development of RFID technology, and the popularity of RFID has led to the innovation of the screen printing industry chain. RFID printing brings many raw materials and processed products that are different from the traditional screen printing industry, from the special conductive ink required for printing, to all kinds of special substrates, to the nickel foil perforated mesh required for printing, etc., RFID technology It brings a new impact to the traditional screen printing technology, and also creates higher value. The value of RFID itself is many times higher than that of ordinary printed labels, so it can bring more profits to screen printing companies, but at the same time it also requires the company to carry out substantial updates from the technical and product levels. RFID prints are particularly important to ensure high yield. In particular, many products require multi-color UV ink printing, glazing, and gluing. Most of the large-volume labels are also processed by roll-to-roll printing or interfaceless printing (through flower). It makes the screening of finished products more difficult. As the so-called opportunities and challenges coexist, as the RFID technology to help the field of food safety is in an emerging field that has not yet been fully popularized, it is current whether it is possible to seize the short vacuum period of this market and develop a broader market to obtain more benefits The issues that silk screen enterprises should think about.
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Our smart cabinet is a technologically advanced storage solution that incorporates various features to enhance convenience, organization, and security. It utilizes the Internet of Things (IoT) technology to connect with other devices and provide users with remote access and control.
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