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Coffee machine is a common household appliances in daily life, in order to protect the coffee machine is not affected by water shortage, can timely remind water shortage, using the photoelectric liquid level sensor is a common method, capacitor liquid level sensor built-in capacitor electronic components, with small size, low power consumption, no mechanical movement, long life, IP67 waterproof grade, and support personalized customization, suitable for different types of coffee machine. Compared with the float switch, the accuracy is higher, not easy to appear stuck, hide dirt and other phenomena. When the water tank of the coffee machine is in a nonwatery state, and when there is water in the water tank, the coffee machine can detect the water level in time to realize the protection function of water shortage.
Install the sensor in the place where the liquid level needs to be detected. When the sensor position is without water, the sensor output voltage signal, through plc control, will automatically trigger the water shortage protection measures, such as stop the work of the heating element to avoid dry burning damage; at the same time, remind the user to add water in time through the alarm device. This intelligent water shortage protection method can effectively prevent equipment damage and safety risks caused by water shortage, prolong the service life of the coffee machine, and improve the user experience. Using the photoelectric liquid level sensor as the water shortage protection device of the coffee machine, not only has the ability of efficient and accurate water level monitoring, but also can take timely protection measures when the water level is insufficient, to ensure the normal operation of the coffee machine and the safety of users.
