一种洗碗机的变频器

Inverter for dishwashers

Abstract

The utility model relates to an inverter for dishwashers, which is used for controlling the rotation speed of a permanent magnet synchronous motor. The inverter comprises a rectifier module, an inverter module, a current detection module, a voltage detection module, a control module and a communication interface connected with an upper computer, wherein the control module comprises a rotor speed and position determination unit, a speed loop PID regulation unit, a current-reading unit, a CLARK conversion unit, a PARK conversion unit, a current loop PID regulation unit, a reverse PARK conversion unit and a space vector pulse width modulation unit. The inverter has the advantages of high efficiency, little energy consumption, stable operation and low noise.
本实用新型涉及一种洗碗机的变频器,用于控制永磁同步电机的转速,该洗碗机的变频器包括整流模块、逆变模块,还包括电流检测模块、电压检测模块、控制模块和连接上位机的通讯接口,所述控制模块包括转子速度和位置确定单元、速度环PID调节单元、电流读取单元、CLARK变换单元、PARK变换单元、电流环PID调节单元、反PARK变换单元、空间矢量脉宽调制单元。实施本实用新型的洗碗机的变频器,有效率高、能耗小、运行平稳、噪音低的优点。

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Cited By (4)

    Publication numberPublication dateAssigneeTitle
    CN-102594254-AJuly 18, 2012美的集团有限公司System and control method for reducing noise of permanent magnet synchronous motor
    CN-102957372-AMarch 06, 2013上海工程技术大学Double closed-loop control system of permanent-magnet synchronous motor
    CN-104124849-AOctober 29, 2014常州雷利电机科技有限公司排水泵用无刷电动机及排水泵
    WO-2014173232-A1October 30, 2014常州雷利电机科技有限公司排水泵用无刷电动机及排水泵