Inductor device
An inductor device includes a hollow magnetic core and at least one winding assembly. The winding assembly includes a plurality of conductive structures and U-shaped conductors, and the conductive structures are below the hollow magnetic core. The conductive structures are arranged along a segment of the hollow magnetic core, and the U-shaped conductors are across the hollow magnetic core and arranged along the segment of the hollow magnetic core. Two ends of at least one of the U-shaped conductor are respectively in contact with two of the conductive structures such that the U-shaped conductors and the conductive structures are electrically connected to each other and collectively continuously surround the segment of the hollow magnetic core.
1 . An inductor device, comprising:
a carrier board having a plurality of through holes;
a plurality of parallel walls protruding upward from the carrier board;
a hollow magnetic core; and
a winding assembly having a plurality of conductive structures and a plurality of U-shaped conductors, and the conductive structures are disposed below the hollow magnetic core, each U-shaped conductor is disposed between immediately-adjacent two of the plurality of parallel walls, the conductive structures are arranged along a segment of the hollow magnetic core, and the U-shaped conductors are arranged around and beyond the segment of the hollow magnetic core, wherein two ends of at least one of the U-shaped conductors are inserted into corresponding ones of the through holes respectively in contact with two of the conductive structures such that the U-shaped conductors and the conductive structures are electrically connected to each other and collectively continuously surround the segment of the hollow magnetic core, wherein the conductive structures are U-shaped, and each of the conductive structures has two ends inserted into the carrier board, the plurality of conductive structures and the plurality of U-shaped conductors are on the same side of the carrier board.
2 . The inductor device of claim 1 , wherein the conductive structures are disposed on a first surface of the carrier board, each of the conductive structures has a first foot portion, a middle portion and a second foot portion, and the middle portion is connected between the first foot portion and the second foot portion, each of the first and second foot portions has two opposite ends, wherein an extending direction from an end of the first foot portion to another end of the first foot portion is in a first axial direction, an extending direction from an end of the second foot portion to another end of the second foot portion is in the first axial direction, and the first axial direction is parallel to the first surface of the carrier board, the middle portion has two opposite ends, wherein an extending direction from an end of the middle portion to another end of the middle portion is parallel to the first surface of the carrier board, the extending direction from the end of the middle portion to the another end of the middle portion is not parallel to the first axial direction.
3 . The inductor device of claim 2 , wherein the first foot portion and the second foot portion are spaced apart in the first axial direction, the first foot portion and the second foot portion are spaced apart in a second axial direction, and the second axial direction is parallel to the first surface, the first axial direction is vertical to the second axial direction.
4 . The inductor device of claim 1 , wherein each conductive structure is disposed between immediately-adjacent two of the plurality of parallel walls.
5 . The inductor device of claim 1 , wherein each U-shaped conductor is sandwiched between a corresponding one of the parallel walls and a corresponding one of the conductive structures.
6 . The inductor device of claim 5 , wherein each U-shaped conductor is in contact with the corresponding one of the parallel walls and the corresponding one of the conductive structures.