Application of flexible magnetic material for producing magnetic core of printed circuit board transformer

A technology for printed circuit boards and transformers, applied in the field of transformers, can solve the problems that limit the flexibility of the structure of PCB transformers, the rapid development of new PCB transformers, the unfavorable innovative design of PCB transformers, and the improvement of PCB transformer technology, so as to improve design flexibility and structure. Diversity, the effect of promoting the level of design and application, and promoting the innovation of new structures
CN101299378AInactive Publication Date: 2008-11-05XI AN JIAOTONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XI AN JIAOTONG UNIV
Publication Date
2008-11-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a PCB transformer made of the flexible magnetism materials and the device of the novel PCB transformer, characterized in that: (1) the flexible magnetic conductive material with higher magnetic permeability is adopted to compose the magnetic core of the PCB transformer, wherein the magnetic core materials can be the electrician pure iron, the doped improved magnetism materials or other novel magnetic conductive materials; (2) the magnetic core structure can adopt the multi-corelong magnetic wire structure; (3) the magnetic core structure can adopt the braid over braid structure; (4) the magnetic core structure also can adopt the thin laminarization flexible magnetic tape structure; (5) the magnetic core and the coil of the PCB transformer adopt the matrix structure. The flexible magnetic conductive material materials and the PCB transformer design are combined, meanwhile the magnetic core of the PCB transformer and the coil adopt the matrix design project, to reduce the volume of the transformer, reduce the cost of the transformer and the number of the PCB ply.
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Description

technical field

[0001] The invention belongs to the field of transformers, and relates to the preparation of a novel planar transformer, in particular to the application of flexible magnetic materials for preparing printed circuit board transformer magnetic cores. Background technique

[0002] Planar PCB (printed circuit board) transformer is an electromagnetic device widely used in PCB circuits, and its performance directly affects the working quality of the circuit. PCB transformer integrates transformer design with PCB design. It has great advantages in power density, volume and electromagnetic radiation. It has the characteristics of low profile, high efficiency, high voltage, high current, and low leakage inductance. It is widely used in digital camera, digital TV, communication power supply, automotive electronics and other fields. In order to improve the performance of PCB transformers, relevant researchers have done a lot of research work. At present, the research h...

Claims

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