CURRENT SENSING MODULE FOR CURRENT SENSOR AND METHOD FOR MANUFACTURING CURRENT SENSING MODULE
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United States of America
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Mar 5, 2020
app pub date -
Sep 5, 2018
filing date -
Sep 5, 2018
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Abstract
The present invention provides a current sensing module for a current sensor and a method for manufacturing the current sensing module. The current sensing module includes a spacer layer including a through hole and being annular in shape, and a circuit board electrically connected to the current sensor and includes at least two structural layers. The two structural layers cover the spacer layer and each of the structural layers includes at least one metal wire layer insulated from the spacer layer. The two metal wire layers are conducted to form a loop coil surrounding the spacer layer. When a wire is located in the through hole, an external power supply power to the circuit board, such that the circuit board has a detection state in which a sensing current is outputted due to magnetic induction generated by the loop coil during the wire is electrically conducted.
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