An automatic toroidal core winding machine, including: a frame, control device, clamping and wire arranging mechanism, winding mechanism, wire delivering mechanism, feeding mechanism, automatic stripping mechanism and wire reclaiming device for reclaiming excessive wires around the shuttle, the winding mechanism including a shuttle and driving device for supporting and driving the shuttle to rotate, the shuttle includes a slider and wire storage and hooking aperture, and the frame includes a detecting and positioning mechanism used for positioning the ring opening, the slider and the wire storage and hooking aperture of the shuttle, and a wire hanging device for hanging the wire allowing the shuttle to store and wind the wire. The machine achieves automation from wire delivery, feeding, shuttle opening to wire hanging, wire winding, wire cutting, product taking and wire reclaiming with significantly improved production efficiency, reduced restriction and effect on the quality of winding from manual proficiency.

An automatic toroidal core winding machine, including: a frame, control device, clamping and wire arranging mechanism, winding mechanism, wire delivering mechanism, feeding mechanism, automatic stripping mechanism and wire reclaiming device for reclaiming excessive wires around the shuttle, the winding mechanism including a shuttle and driving device for supporting and driving the shuttle to rotate, the shuttle includes a slider and wire storage and hooking aperture, and the frame includes a detecting and positioning mechanism used for positioning the ring opening, the slider and the wire storage and hooking aperture of the shuttle, and a wire hanging device for hanging the wire allowing the shuttle to store and wind the wire. The machine achieves automation from wire delivery, feeding, shuttle opening to wire hanging, wire winding, wire cutting, product taking and wire reclaiming with significantly improved production efficiency, reduced restriction and effect on the quality of winding from manual proficiency.

A power transformer includes at least two first windings, at least two second windings interleaved with the at least two first windings, and a magnetic core. The at least two first windings and the at least two second windings are positioned adjacent the magnetic core. Each first winding includes a wire and a plurality of turns. One or more windings of the at least two first windings include a bonding material and at least two adjacent turns of said plurality of turns adhered to each other via the bonding material. Other example power transformers, methods of manufacturing power transformers, and methods of manufacturing windings are also disclosed.

The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, where a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from inside to outside; a first metal winding, wound around the magnetic core in a foil structure, and comprising a first winding segment formed in the first wiring layer and a second winding segment formed in the second wiring layer; and a second metal winding, wound around the magnetic core in a foil structure, comprising a third winding segment formed in the first wiring layer and a fourth winding segment formed in the second wiring.

The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, where a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from inside to outside; a first metal winding, wound around the magnetic core in a foil structure, and comprising a first winding segment formed in the first wiring layer and a second winding segment formed in the second wiring layer; and a second metal winding, wound around the magnetic core in a foil structure, comprising a third winding segment formed in the first wiring layer and a fourth winding segment formed in the second wiring.

An isolation transformer includes a transformer core. First and second through-bores extend through the transformer core from a first surface to a second surface. Each through-bore has an elongated profile with at least a portion of the elongated profile providing a respective flat winding surface. The flat winding surfaces are spaced apart by a central portion of the transformer core. The transformer is wound with a six-wire cable having a central non-conductive core. First, second, third, fourth, fifth and sixth conductive wires are positioned around and adjacent to the central non-conductive core in a substantially equally spaced angular relationship. The second conductive wire is positioned between the first conductive wire and the third conductive wire; and the fifth conductive wire is positioned between the fourth conductive wire and the sixth conductive wire. The conductive wires are twisted about the central non-conductive core at a selected twist density.

An isolation transformer includes a transformer core. First and second through-bores extend through the transformer core from a first surface to a second surface. Each through-bore has an elongated profile with at least a portion of the elongated profile providing a respective flat winding surface. The flat winding surfaces are spaced apart by a central portion of the transformer core. The transformer is wound with a six-wire cable having a central non-conductive core. First, second, third, fourth, fifth and sixth conductive wires are positioned around and adjacent to the central non-conductive core in a substantially equally spaced angular relationship. The second conductive wire is positioned between the first conductive wire and the third conductive wire; and the fifth conductive wire is positioned between the fourth conductive wire and the sixth conductive wire. The conductive wires are twisted about the central non-conductive core at a selected twist density.

A method for constructing a solenoid inductor includes positioning an inner winding substantially around a magnetic core, positioning an outer winding substantially around the inner winding, and using a layered process to perform said positioning the inner and outer windings. The layered process includes processing a first conducting layer as a bottom layer of the outer winding, above processing a first dielectric layer, above processing a second conducting layer as a bottom layer of the inner winding, above processing a second dielectric layer, above processing a magnetic core layer, above processing a third dielectric layer, above processing a third conducting layer as a top layer of the inner winding, above processing a fourth dielectric layer, above processing a fourth conducting layer as a top layer of the outer winding, above processing a fifth dielectric layer, and the inner and outer windings are electrically connected.

A coil component according to the present disclosure comprises a ring-shaped core; an insulating member which covers a portion of the ring-shaped core; and a coil which is wound around the core and the insulating member. The coil comprises a plurality of pin members in which end portions of adjacent pin members share a welded portion at which the end portions are welded to each other, and the insulating member is located between the welded portion and the core. Thus, an inductance value of an inductor component can be improved.

An inductor component comprises a ring-shaped core; and a coil wound around the core and comprising wire members each constituting a single turn. Each of the wire members has a first side portion facing an inner peripheral surface of the core, a second side portion facing a first end surface that is one end surface of the core and is located in a direction of a center axis of the core, a third side portion facing an outer peripheral surface of the core, and a fourth side portion facing a second end surface that is the other end surface of the core and is located in the direction of the center axis of the core. At least one of the second and third side portions has a bent portion protruding on the core side, and the first and fourth side portions of adjacent wire members are connected.