Yimin Zhang

Title: Yimin Zhang: Innovator in Coal Mining and LED Technology

Introduction

Yimin Zhang is a notable inventor based in Shenyang, China. He has made significant contributions to the fields of coal mining machinery and LED technology. With a total of two patents to his name, Zhang's work reflects his commitment to innovation and efficiency.

Latest Patents

One of Yimin Zhang's latest patents is the "Vertical lifting type drum coal-mining machine without rocker arm." This innovative machine features a central control box, left and right cutting and lifting reduction gear boxes, and a compact structure that enhances reliability and stability during operation. The design eliminates the need for multiple idler pulley groups, simplifying the transmission chain.

Another significant patent is the "LED driving circuit and controlling method thereof." This invention includes a power switch, a current sampling unit, and a voltage comparison unit. It allows for efficient control of LED light clusters, achieving a power factor greater than 0.95. The method for controlling the LED driving circuit is designed to optimize performance and energy efficiency.

Career Highlights

Throughout his career, Yimin Zhang has worked in various capacities, contributing to advancements in technology and engineering. His experience in the industry has equipped him with the skills necessary to develop innovative solutions that address real-world challenges.

Collaborations

Yimin Zhang has collaborated with notable colleagues such as Ji Wang and Wenjia Lu. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Yimin Zhang's contributions to coal mining and LED technology exemplify his innovative spirit and dedication to improving industrial processes. His patents not only enhance operational efficiency but also pave the way for future advancements in these fields.