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The structure and working principle of computer-based supermarket refrigerated showcase
The structure and working principle of computer-based supermarket refrigerated showcase
computer-controlled supermarket refrigerated showcase, referred to as computer-based supermarket refrigerated showcase, uses microcomputer to control the work of supermarket refrigerated showcase. The working process of the refrigeration system is similar to an ordinary machine. The control system adopts microcomputer technology, just like a human brain. It constantly automatically detects the temperature changes in each room of the supermarket refrigerated showcase and the user's settings, and commands the supermarket refrigerated showcase compressor At the same time, the control display panel displays the actual temperature of each room, whether the control system is faulty, etc., and can also manage the number and time of items stored in the box according to the user, according to instructions Display the fault location in the form of code.
computer-based supermarket refrigerated showcase has elementary functions such as multiple functions, convenient operation, automatic adjustment and fault diagnosis. The control panel is located outside the supermarket refrigerated showcase. Different computer-based supermarket refrigerated showcases have different functions due to different designs. Computer-based supermarket refrigerated showcase Principle of electronic control: The core device is a microcomputer (also called a microprocessor or CPU). The working voltage of the microcomputer is provided by the power supply: the output interface and output drive current control the operation of the compressor and other components; the detection interface (also called the input interface) monitors the temperature and other conditions in the box, and the display interface controls the display to display the corresponding characters: The button interface detects user instructions.
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