Power supply control device

摘要

The power supply control device in accordance with the present invention includes: a power reception terminal for receiving power; a power supply terminal for supplying power; a relay configured to make and break an electrical connection between the power reception terminal and the power supply terminal; a control circuit configured to control the relay; a power supply circuit configured to supply power to the control circuit by use of power received via the power reception terminal; and a printed wiring board. The control circuit and the power supply circuit are mounted on the printed wiring board.

主权项

1. A power supply control device, comprising:
a power reception terminal for receiving power; a power supply terminal for supplying power; a relay configured to make and break an electrical connection between the power reception terminal and the power supply terminal; a control circuit configured to control the relay; a power supply circuit configured to supply power to the control circuit by use of power received via the power reception terminal; a printed wiring board; an electrical circuit electrically connecting the power reception terminal and the power supply terminal; and a block holding the power reception terminal, the power supply terminal, the relay, the printed wiring board, and the electrical circuit, wherein: the control circuit and the power supply circuit are mounted on the printed wiring board; the relay is configured to make and break the electrical connection between the power reception terminal and the power supply terminal by opening and closing the electrical circuit; the block has a first end and a second end respectively defining opposite ends in a first direction, and a third end and a fourth end respectively defining opposite ends in a second direction perpendicular to the first direction; the power reception terminal and the power supply terminal are positioned at the first end and the second end, respectively; the electrical circuit is positioned closer to the third end than the fourth end such that a circuit accommodating space is formed closer to the third end than the fourth end; and the control circuit and the power supply circuit are positioned in the circuit accommodating space.