Qunzhan Li

Title: **Innovative Contributions of Qunzhan Li in the Railway Power Supply Sector**

Introduction

Qunzhan Li, an accomplished inventor based in Chengdu, China, has made significant strides in the field of railway power supply systems. With a total of four patents to his name, Qunzhan's inventions focus on enhancing the efficiency and operational control of electrified railway trains.

Latest Patents

Among his latest patents, Qunzhan Li developed a systematic approach that integrates both AC and DC power supply for electrified railway trains. His first notable invention, the **Three-rail power supply control system for electrified railway train**, addresses the complexities of train power supply and operation control. It features a novel configuration where power supply rails are divided into three components - a first power supply rail, a second power supply rail, and a third power supply rail. The combination with a running rail creates an efficient three-phase AC power supply loop, while the third rail works alongside the running rail to form a DC power supply loop. This advanced setup not only optimizes the train’s weight and axle load but also facilitates automatic control and unmanned driving in a cost-effective manner.

His second groundbreaking patent, the **Three-phase power supply and collection device for maglev train**, presents an innovative design for maglev trains. By integrating a cross beam at the bogie's middle part complete with longitudinal bearing seats, collector shoes, and power supply rails, this invention enhances the performance and reliability of maglev train operations.

Career Highlights

Qunzhan Li’s career has seen fruitful collaborations with reputable institutions such as Southwest Jiaotong University, where he has contributed to pioneering research and development in railway technology. His extensive expertise in power supply systems plays a pivotal role in advancing the efficiency of train operations, underscoring his stature as a vital contributor to the field.

Collaborations

Throughout his career, Qunzhan Li has enthusiastically worked alongside skilled professionals, including notable coworkers Jiqin Wu and Kai Guo. Their collective efforts have led to the development of innovative solutions that continue to reshape the railway industry, illustrating the power of collaboration in achieving technological advancements.

Conclusion

Qunzhan Li's inventive contributions are instrumental in redefining railway power supply systems. With his four patents reflecting a commitment to innovation, Qunzhan's work not only enhances operational efficiency but also supports the trajectory toward more automated and sustainable railway solutions. His advancements will likely shape the future of transportation, making significant impacts in the field of railway technology.