Motor drive control circuit and portable fan
By using a sensorless motor drive control circuit and the dynamic adjustment of the current detection unit and the main control unit, the problems of high complexity and low reliability of traditional motor control systems are solved, and efficient and fast motor operation is achieved.
CN224538085UActive Publication Date: 2026-07-21SHENZHEN JISU TECHNOLOGY CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN JISU TECHNOLOGY CO LTD
- Filing Date
- 2025-06-18
- Publication Date
- 2026-07-21
Smart Images
Figure CN224538085U_ABST
Abstract
The utility model relates to a kind of motor drive control circuit and portable fan, and motor drive control circuit includes main control unit, drive unit and current detection unit, and portable fan is controlled by the motor drive control circuit.Electric motor drive control circuit includes main control unit, drive unit and current detection unit, wherein, current detection unit is electrically connected with main control unit and drive unit respectively, for obtaining the actual current when motor works to send detection current signal to main control unit, and main control unit adjusts control signal based on detection current signal, to provide control for the operation of motor continuously.The application can realize high-performance motor control under the condition of no sensor, and the stator magnetic field direction is dynamically adjusted by main control unit according to detection current, to ensure that stator magnetic field and rotor magnetic field always maintain corresponding relationship, improve motor efficiency and response speed.
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