Connector plugging detection circuit and head-mounted display device

The utility model discloses a connector plugging detection circuit and head-mounted display equipment, which are applied to an equipment main body and a detachable part which can be plugged through a connector, and two short-circuit pins for plugging detection are configured in the part connector; two detection pins correspondingly contacted with the two short-circuit pins are configured in the main body connector, and one detection pin is connected in series with a configured resistor to form a detection branch; a voltage division circuit is configured in an equipment main body, a detection branch is connected, and the detection branch changes the potential of a voltage division node of the voltage division circuit when two detection pins are in short circuit; and a processor in the equipment main body is used for collecting the potential at the voltage dividing node for detecting the plugging state of the main body connector. According to the utility model, the potential value at the voltage division node o