Winding method and structure of a high-frequency transformer

Abstract

The invention discloses a method and structure for winding a wire of a high-frequency transformer. The method includes the steps of firstly, starting to wind the wire at a first primary winding start end of a framework through a first primary winding, backward and densely winding the wire on a winding shaft by a half layer after densely winding the wire on the winding shaft of the framework by a whole layer, and allowing the tail end of the wire to be hung at a first primary winding stop end; secondly, starting to wind the wire at a second primary winding start end of the framework through a second primary winding, backward and loosely winding the wire on the winding shaft by a layer after densely winding the wire on the winding shaft by a layer, and allowing the tail end of the wire to be hung at a second primary winding stop end; thirdly, starting to wind the wire at a third primary winding start end of the framework through a third primary winding, densely winding the wire on the position, close to the third primary winding start end, of the winding shaft by two circles, and allowing the tail end of the wire to be hung at a third primary winding stop end. According to the method and structure of winding the wire of the high-frequency transformer, by changing the winding method of the primary windings, the phenomenon that all the windings are not stable in voltage can be eliminated, and performance of the high-frequency transformer can be improved.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to a winding method and structure of a high-frequency transformer. Background technique [0002] High-frequency transformer is a power transformer whose operating frequency exceeds the intermediate frequency. It is mainly used as a high-frequency switching power transformer in high-frequency switching power supplies, and can also be used as a high-frequency inverter power transformer in high-frequency inverter power supplies and high-frequency inverter welding machines. . A high frequency transformer includes a skeleton, a magnetic core, a primary winding and a secondary winding. The magnetic core is set on the bobbin, and the primary winding and the secondary winding are both wound on the magnetic core. The frame includes the winding shaft, the connecting terminal of the primary winding and the connecting terminal of the secondary winding. The connecting terminal can be used ...

AI Technical Summary

Problems solved by technology

[0003] There are many winding methods for existing high-frequency transformers, but the compactness and flatness of the high-frequency transformer obtained by using the existing winding methods for high-frequency transformers are poor, and the coupling between windings of high-frequency transformers is poor. As a result, when applied to the circuit, the winding voltage is prone to instability, which is difficult to control

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