Current detection printed board, voltage detection printed board, current/voltage detection printed board, current/voltage detector, current detector and voltage detector
First Claim
Patent Images
1. A voltage detection printed board comprising:
- a board having a cutout;
a first pattern wire formed at a periphery of the cutout in an arc shape;
a second pattern wire formed at the periphery of the cutout in an arc shape; and
a plurality of through holes that penetrate the board between the first and second pattern wires,wherein, when a conductor, in which an AC voltage is generated, is disposed adjacent to the cutout, the first and second pattern wires and the through holes with the conductor form electrodes of a capacitor to detect the AC voltage generated in the conductor.
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Abstract
A current detection printed board includes: a board having a penetration hole that penetrates the board; and at least one wire that is formed in a coiled shape having both ends by penetrating the board along the periphery of the penetration hole and alternately connecting a front surface layer and a rear surface layer of the board, wherein, when a conductor, in which an AC current flows, is disposed to pass through the inside of the penetration hole, a current flowing in the wire is output through electromagnetic induction.
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Citations
10 Claims
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1. A voltage detection printed board comprising:
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a board having a cutout; a first pattern wire formed at a periphery of the cutout in an arc shape; a second pattern wire formed at the periphery of the cutout in an arc shape; and a plurality of through holes that penetrate the board between the first and second pattern wires, wherein, when a conductor, in which an AC voltage is generated, is disposed adjacent to the cutout, the first and second pattern wires and the through holes with the conductor form electrodes of a capacitor to detect the AC voltage generated in the conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification