Automatic spittoon yielding device of dental comprehensive treatment machine

The invention relates to an automatic spittoon yielding device of a dental comprehensive treatment machine and belongs to the technical field of electronic product manufacturing. The automatic spittoon device is characterized by comprising a chair position induction switch, a spittoon yielding position induction switch, a spitting position induction switch, a connection circuit, a power supply circuit, a control circuit power supply, an MCU (Micro Control Unit) control circuit, a motor control circuit and a spittoon motor, which are electrically connected with one another through lines. The automatic spittoon device can detect the position of a dental chair and control a spittoon to yield automatically. The automatic spittoon device has the advantages of simple circuit structure, low manufacturing cost and high degree of automation, and is a safe, reliable and practical yielding device for preventing mutual interference between the spittoon and the dental chair of the dental comprehensive treatment machine wh