Yanjun Zhang

Title: Yanjun Zhang: Innovator in EMI Filter and Resonance Converter Technologies

Introduction

Yanjun Zhang is a prominent inventor based in Hangzhou, China. He has made significant contributions to the field of electronic power systems, particularly in the development of innovative EMI filters and resonance converters. With a total of 2 patents, his work showcases a blend of creativity and technical expertise.

Latest Patents

Zhang's latest patents include an EMI filter with an integrated structure of common-mode inductors and differential-mode capacitors realized by flexible printed circuit boards. This invention features a closed magnetic circuit formed by a first and second magnetic core, optionally including an air gap. The flexible printed circuit board (FPC) is wound on at least one pillar, formed by laminating alternating insulating and copper foil layers. This integrated structure reduces the volume of the EMI filter and enhances the power density of electronic power transformers.

Another notable patent is the integrated structure of passive elements in an LLC resonance converter, also realized by flexible circuit boards. This invention includes a closed magnetic circuit formed by first and second magnetic cores, along with a tubular, double-sided flexible circuit board. The integration of a resonance capacitor, resonance inductor, shunt inductor, and transformer in the LLC resonance converter is achieved through the use of these flexible circuit boards.

Career Highlights

Yanjun Zhang has worked with notable organizations such as Fuji Electric Systems Co., Ltd. and Zhejiang University. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking innovations in electronic systems.

Collaborations

Zhang has collaborated with talented individuals in his field, including Yi Chen and Kazuaki Mino. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Yanjun Zhang's contributions to EMI filter and resonance converter technologies highlight his innovative spirit and technical prowess. His patents reflect a commitment to improving electronic power systems, making him a noteworthy figure in the field of invention.