Patent ID: 9148066
Filing Date: 2015-09-29
Classification: H01F,H02M,H05K

Abstract:
1. A miniaturized voltage-transforming device, comprising: a first circuit board and a second circuit board that are parallel to and separated from each other by a predetermined distance so that there is no physical connection therebetween; and a transformer that has a plurality of primary-side pins and a plurality of secondary-side pins, wherein the transformer is located beside the first circuit board and the second circuit board, and has the primary-side pins and secondary-side pins thereof directly or indirectly connected to the first circuit board and the second circuit board physically, so that the transformer is electrically connected to the first circuit board and the second circuit board via the primary-side pins and the secondary-side pins, wherein the primary-side pins and the secondary-side pins are located at two laterals of the transformer, respectively, and the first circuit board and the second circuit board are deposited beside the two laterals of the transformer, respectively, so that the primary-side pins are at the same side of the first circuit board and are physically connected to the first circuit board, while the secondary-side pins are at the same side of the second circuit board and are physically connected to the second circuit board, thereby forming physical connection between the transformer and the first and second circuit boards, in which the transformer is located between facing surfaces of the first circuit board and the second circuit board, wherein the first circuit board has a plurality of connecting holes and a plurality of conductive members each mounted on one said connecting hole and the primary-side pins are physically connected to the conductive members, while the second circuit board has a plurality of connecting holes and a plurality of conductive members each mounted on one said connecting hole and the secondary-side pins are physically connected to the conductive members, wherein each of the connecting holes is a semicircular hole formed at an edge of the first circuit board or an edge of the second circuit board.