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introduction
With the continuous improvement of people’s living standards and the accelerating pace of life, the refrigerator plays an increasingly important role in the family. The traditional refrigeration and freezing functions have become increasingly difficult to meet the needs of daily life. As the Internet of Things technology continues to mature, combined with information collection technology and information processing technology, we can establish a smart refrigerator food supervision system to realize real-time supervision of food in the refrigerator. The food information in the refrigerator can be inquired on the spot, displayed on the LCD screen of the refrigerator, or inquired by the remote control terminal or mobile phone, and the online purchase process can be completed by sending shopping instructions.
In the family, as the only home appliance that does not cut off power for 24 hours, through the use of automatic information collection technology (RFID), information transmission technology, information processing technology and automatic control technology, we can realize free conversation with the refrigerator and the food in the refrigerator, which improves Our intelligent management and application of food.
System Block Diagram
System frame structure
The system management platform uses an industrial tablet computer and a display screen as the carrier to realize the collection, analysis and management of information, and realize the functions of remote management and control of information. Using a piece of ARM processor plus a few peripheral devices can realize the zone management of refrigerator temperature. With RFID equipment and a certain number of electronic tags, we can collect the information of food in the refrigerator and transmit it to the system management platform in real time.
Control system hardware structure diagram
System functions
Use RFID technology to automatically identify the type, quantity (weight), expiration date, origin, supplier and other information of the food in the refrigerator, and display it on the refrigerator display in real time
When a certain food in the refrigerator is lower than the set limit, it has an automatic reminder function
The display screen has a touch operation function, and the system parameters can be set according to the owner’s preferences
Can query the food information in the refrigerator in the remote monitoring center, and send the food information in the refrigerator to the remote monitoring center
Can query the food information in the refrigerator through the designated mobile phone, and send the food information to the designated mobile phone
Can automatically monitor and adjust the temperature in the refrigerator according to the set temperature parameters, and realize temperature zone control
Online food purchase orders can be placed through display operation, remote control center operation, and mobile phone operation
With functions such as query and statistical analysis of food history information in the refrigerator
It has the functions of analyzing food nutrition, downloading healthy recipes, and providing dietary advice.
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