Power supply control device
First Claim
Patent Images
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.
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Accused Products
Abstract
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.
18 Citations
8 Claims
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1. A power supply control device, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification