Patents Assigned to CHINA LEADSHINE TECHNOLOGY CO., LTD.
  • Publication number: 20210336571
    Abstract: A closed-loop stepper motor control system, drive device and automation device, wherein the system comprises a microprocessor (1) compatible with EtherCAT communication protocol functions, an external interface circuit (2) connected to the said microprocessor (1) and communication interface unit (3); the said microprocessor (1) is also connected to a drive circuit (4), current testing circuit (5), as well as an encoder feedback circuit (6); the said communication interface unit (3) is mutually connected to the said microprocessor (1) through the physical layer communication circuit (31); the said microprocessor (1) is also mutually connected to the power supply circuit (7) that provides stable power supply voltage.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 28, 2021
    Applicant: CHINA LEADSHINE TECHNOLOGY CO., LTD.
    Inventors: Weiping Li, Jianhua Lin, Zhouyong Zhu, Tiansheng Tian, Weili He
  • Publication number: 20210320600
    Abstract: A stepper motor driver with brake drive, a drive device and an automation device are disclosed. The stepper motor driver comprises a microprocessor (1) embedded with a communication protocol, an external interface unit (3) mutually connected to the microprocessor (1) and a communication interface circuit (2); the microprocessor (1) is also connected to a drive control circuit (4) and a brake device (5), and the brake device (5) is mutually connected to the external interface unit (3); the microprocessor (1) is also mutually connected to a power supply circuit (13) that provides a stable power supply voltage. The stepper motor driver has such advantages as simple structure, high capacity to resist interference, high effectiveness, low cost, and ease in maintenance.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 14, 2021
    Applicant: CHINA LEADSHINE TECHNOLOGY CO., LTD.
    Inventors: Zhouyong Zhu, Jun Qin, Jianhua Lin, Weiping Li, Tiansheng Tian