Transformer

Abstract

This invention relates to a transformer including a first conductor, a second conductor and an iron core, in which, the second conductor is coupled with the first one magnetically and includes a multi-layer screw coil composed of a conductive wire winding with a through hole at the center, two ends of the wire are extended from the edge of the coil and the core passes through the hole and covers a part of the two conductors.

Description

technical field [0001] The invention relates to a transformer, in particular to a transformer with high current density. Background technique [0002] A transformer is an electronic component that is often used in various electrical equipment. Please refer to FIG. Core 15. The coil set 12 includes a primary coil and a secondary coil respectively wound by a conductive wire in a winding area 111 of the winding base 11 , and the primary coil and the secondary coil are electromagnetically coupled to each other. The pin base 14 is connected to the winding base 11 and includes a plurality of pins 141 for electrically connecting with a circuit board 17 . The iron core 15 is composed of a first iron core 151 and a second iron core 152. The first iron core 151 and the second iron core 152 are respectively sleeved on opposite ends of the winding base 11 and joined to each other to form a Electromagnetic circuit. [0003] Generally speaking, the coil group is made in a concentric o...

AI Technical Summary

Problems solved by technology

However, under the requirement that the transformer 1 tends to have large capacity and high current, it is generally achieved by increasing the number of coils. However, due to the existing winding method of a single-layer spiral coil, the starting end 20a of the wire needs to be formed by a coil 20 The inner diameter of the inner diameter turns outward, so when multiple wire cake structures are connected in series, there is a gap between the wire cakes due to the height of a conductive wire, and the generation of this gap will reduce the coupling degree between the windings

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