Solar array and interrupt method, solar array drive circuit, device and system

By designing a vacuum dual-winding two-phase stepper motor and a main/backup drive circuit, combined with an MCU module and a Hall signal conditioning circuit, the stability and reliability issues of the solar panel drive device in the space environment were solved, enabling rapid solar orientation and multiple operating modes, meeting the design requirements of low cost, small size, and low weight.

CN116203881BActive Publication Date: 2026-07-24北京轩宇空间科技有限公司
1 Cites 0 Cited by

Patent Information

Application Number
CN202310203239.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-06
Publication Date
2026-07-24
Estimated Expiration
2043-03-06

AI Technical Summary

Technical Problem

Existing solar panel drive devices are difficult to achieve stable and reliable directional operation in the space environment, and the design of ground equipment is not suitable for the high and low temperature, vacuum and radiation conditions of the space environment, and cannot meet the requirements of low cost, small size, low weight and vibration and shock resistance.

Method used

It adopts a vacuum dual-winding two-phase stepper motor, with main and backup drive circuits designed. Combined with MCU module, PWM generation module and Hall signal conditioning circuit, it realizes real-time modulation drive and position information acquisition, has main and backup switching function, and supports multiple working modes and temperature data monitoring.

Benefits of technology

It achieves rapid sun orientation with high reliability and high positioning accuracy, improves the stability and reliability of SADA, meets the requirements of the space environment, collects zero-position information and temperature data in real time, and is suitable for low-cost, small-volume and low-weight designs.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The application provides a SADE single board and an interrupt method. The single board comprises: an MCU module, a communication interface of which is connected with a star computer through an RS422 interface circuit; a PWM generation module, connected with the MCU module and connected with two-phase stepping motor windings in a SAMA, used for generating two real-time modulated complementary PWM signals to drive A-phase windings and B-phase windings of the two-phase stepping motor according to two mutually perpendicular sine signals SIN and cosine signals COS generated by the MCU module. The method comprises: SADE entering an interrupt working mode, including communication interrupt, AD interrupt, capture interrupt, PWM interrupt and default mode. Meanwhile, a solar panel driving circuit comprising two SADE single boards is provided, a driving device SADA comprising SADE and SADM, and a system comprising SADA and a single-axis solar panel. Real-time modulation driving of a single-axis SADA two-phase stepping motor is realized, and the system has a master-slave switching function, realizes speed tracking, fast capture of a specified position, reset to a zero position and other control modes.
Need to check novelty before this filing date? Find Prior Art