Weihong Qiu

Title: Innovations of Weihong Qiu in Power Supply Technology

Introduction

Weihong Qiu is a notable inventor based in Orlando, FL, who has made significant contributions to the field of power supply technology. With a focus on enhancing efficiency in AC/DC switch mode power supplies, Qiu has developed innovative solutions that address common challenges in energy transfer and power factor correction.

Latest Patents

Qiu holds 2 patents, with his latest inventions focusing on advanced power supply systems. One of his notable patents is an AC/DC switch mode power supply with power factor correction using a direct energy transfer concept. This invention features a "flyboost" cell that integrates a transformer with primary and secondary windings, allowing for both flyback transformer and boost inductor functions. By combining the flyboost cell with DC/DC conversion cells, Qiu has created a single-stage power factor correction converter that operates efficiently. The design allows for a simple control mechanism to achieve a high power factor while significantly improving overall efficiency through direct power transfer.

Another innovative concept introduced by Qiu involves an AC/DC cell that directly transfers energy to the output side from the input line, rather than relying on a storage capacitor. This new approach utilizes an additional winding coupled to the DC/DC transformer, providing a direct energy transfer path or storage in the output transformer.

Career Highlights

Weihong Qiu is affiliated with the University of Central Florida Research Foundation Inc., where he continues to advance research in power supply technologies. His work has garnered attention for its practical applications in universal voltage scenarios, making his inventions relevant to a wide range of industries.

Collaborations

Qiu has collaborated with esteemed colleagues, including Issa E Batarseh and Wenkai Wu, who have contributed to his research endeavors and innovations in power supply systems.

Conclusion

Weihong Qiu's contributions to power supply technology through his innovative patents demonstrate his commitment to improving energy efficiency and performance. His work continues to influence the field and pave the way for future advancements in power supply systems.