Guocun Li

Title: Innovations of Guocun Li: Advancements in Phase Loss Detection and Compressor Control

Introduction

Guocun Li is a notable inventor based in Tianjin, China, recognized for his contributions to the field of electrical engineering and refrigeration technologies. With a total of three patents, Li has made significant advancements in phase loss detection and compressor control systems, reflecting his commitment to enhancing efficiency and reliability in these critical applications.

Latest Patents

Li's latest innovations include several groundbreaking patents. One of his key inventions is a phase loss detection device, along with a compressor that incorporates this technology, and a corresponding phase loss detection method. This phase loss detection device comprises a signal converting circuit and a processor designed to monitor multiphase alternating current (AC) power from motors. The device effectively converts voltage signals from different phases and calculates the phase angles to identify any deviations from the nominal values, indicating potential phase loss. This innovation allows for a reliable identification of phase loss, thus enhancing the safety and performance of motor systems.

Additionally, Li has developed a controller and method for compressors that improve operational efficiency. This advanced controller collects operational state parameters of the compressor and is equipped to automatically shut off the liquid injection valve if any parameter reaches a pre-set protection condition, optimizing the fluid regulation within the system. These inventions collectively aim to refine control mechanisms and elevate the reliability of refrigeration systems.

Career Highlights

Guocun Li works at Danfoss (Tianjin) Ltd., where he has been instrumental in leveraging his expertise to develop these critical technologies. His work has notably contributed to the company's advancements in energy-efficient systems and robust control mechanisms in refrigeration and HVAC applications.

Collaborations

Li collaborates with talented professionals like Li Yao and Zhiwei Shang, fostering an environment of innovation and teamwork. These collaborations not only enhance the creativity behind the inventions but also expedite the progression of technology at Danfoss.

Conclusion

Guocun Li's contributions through his patents are a testament to his inventive spirit and dedication to the field of electrical engineering. His work on phase loss detection and compressor control exemplifies innovation that addresses real-world challenges, solidifying his reputation as a valuable inventor in the industry. As technology continues to evolve, Li's creations will likely play a critical role in advancing efficiency and reliability in electrical and refrigeration systems.