24-hour unmanned intelligent fresh food supermarket goods expiration management system

Abstract

The invention provides a 24-hour unmanned intelligent fresh food supermarket goods expiration management system comprising a controller, a cloud server and an administrator terminal; the controller comprises a man-machine interaction unit, a PLC control module, a currency identification module, a wireless communication module and a goods deliver control module; the controller also comprises a RFID label attached on the goods and a RFID radio frequency reader arranged in a goods placement zone; the RFID label stores goods information; the RFID radio frequency reader regularly reads the goods information on the RFID label, and sends the information to the PLC control module; the PLC control module sends the goods information to the cloud server through the wireless communication module. The system uses the RFID radio frequency identification technology to timely detect the goods production data and send expiry goods information to the administrator, thus allowing the administrator to timely replace the cargos, and ensuring the selling goods in the shelf-life.

Description

technical field [0001] The invention relates to the technical field of unmanned vending machines, in particular to a 24-hour unmanned intelligent fresh food supermarket merchandise overdue management system. Background technique [0002] Unmanned vending machine is a brand-new commercial retail model, which developed from Japan, Europe and the United States in the 1970s, and is also known as a 24-hour unmanned smart supermarket. In China, unmanned vending machines entered the market in 1999, and now unmanned vending machines can be found in airports, subways, parks and other places with large passenger traffic. In today's daily life, there are basically three types of vending machines we come into contact with: beverage vending machines, food vending machines and comprehensive vending machines. There are very few vending machines for fresh food, and the shelf life of fresh food is short. For example, some vegetables and fruits only have a shelf life of 3 to 5 days, and unma...

AI Technical Summary

Problems solved by technology

There are very few vending machines for fresh food, and the shelf life of fresh food is short. For example, some vegetables and fruits only have a shelf life of 3 to 5 days, and unmanned vending machines have certain limitations, which are not convenient for customers to choose at will. , Therefore, it is very important to select the products that are on the date, to ensure that the administrator can effectively manage the products, to ensure that the customers can buy the products within the validity period, and to ensure the normal operation of the 24-hour unmanned smart supermarket

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