Electric apparatus and residual electric charge discharging method

摘要

Example embodiments of the present invention include a power source; a load circuit; a relay provided between the power source and the load circuit; a rectifying circuit connected between an output terminal and an input terminal of the relay; a discharge circuit connected to the power source line on an input side of the relay and to perform, when turned on, discharging operation to discharge an electric charge that remains on each of the input side and an output side of the relay; and a discharge control circuit to turn on the discharge circuit to perform discharging operation when the relay is turned off to stop the power supply input to the load circuit.

主权项

1. An electric apparatus comprising:
a power source; a load circuit configured to receive power supply from the power source; a relay provided between the power source and the load circuit and configured to be turned on or off to control an input of the power supply from the power source to the load circuit through a power source line according to a state change of the electronic apparatus; a rectifying circuit connected between an output terminal and an input terminal of the relay and configured to supply a current in a direction opposite to a direction of a flow of current flowing from the power source to the load circuit through the power source line; a discharge circuit connected to the power source line on an input side of the relay and configured to perform, when turned on, discharging operation to discharge an electric charge that remains on each of the input side and an output side of the relay; and a discharge control circuit configured to turn on the discharge circuit to perform discharging operation when the relay is turned off to stop the power supply input to the load circuit.