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In order to ensure that citizens can eat safe and secure pork, the “Internet of Things” with RFID technology as the core is quietly playing a role. Recently, reporters came to the Shanghai Agricultural Products Center Wholesale Market in Pudong and saw another magical “Internet”.
In the pork trading hall, neat rows of hooks are arranged one after the other. Each hook has a black plastic square engraved with a number, and an electronic tag is embedded in it.
The pork transported from each slaughterhouse is hung on the hooks in turn, and then enters the trading floor along the assembly line. Two “checkpoints” are set up on the “road”: the first is an electronic scale. Whenever a hook passes by, it will automatically read the weight of the pork on the hook and record it in the electronic tag; the second is the reading that matches the electronic tag. When writing equipment, when the hook passes by, with a slight beep, the weight and label code in the electronic tag are transmitted to the computer of the on-site tally.
Wan Qingfu, deputy general manager of Shanghai Agricultural Products Center Wholesale Market Co., Ltd., said that electronic tags are an important part of the meat product tracking system. The tally clerk enters the unified inspection and quarantine certificate number for each batch of pork, which corresponds to the information of the farm and slaughterhouse of this batch of meat, plus the weight recorded through the electronic label. All this information will be in a few seconds. One-to-one correspondence in the computer; after the transaction is completed, add the whereabouts of the pork. In this way, the “ins and outs” of each piece of pork are incorporated into this intangible “web” of information, so that the staff will be well aware of it. If there is a problem with pork, the source can be found on the “Internet of Things”.
According to reports, about six to seven thousand pieces of pork are traded here every day. In the traditional “barcode” era, tally staff working in the middle of the night need to “scan” one by one with a scanner and manually enter weight information. When you encounter a label damaged by oil, even the barcode number has to be manually entered, which affects the efficiency of the transaction. Later, through cooperation with the AUTOID laboratory of Fudan University, the market used an “electronic ID card” for pork, thus becoming a member of the “Internet of Things”.
However, this “pork Internet of Things” is currently limited to use in the trading center, and it is not yet possible to implement tracking functions on a larger scale. Experts said that Shanghai is at the forefront of the country in the application and demonstration of electronic tags, and a complete industrial chain has been initially formed. If the “Internet of Things” in various fields is developed on this basis, the prospects will be very optimistic.
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