The invention relates to an underwater propeller, in particular to a rim propeller driven by a coreless permanent magnet motor. The rim propeller comprises an iron-core-free permanent magnet motor stator, an iron-core-free permanent magnet motor rotor, a front end cover, a rear end cover, a propeller, a guide vane and a shaft, the iron-core-free permanent magnet motor rotor is arranged on the inner side of the iron-core-free permanent magnet motor stator, the front end cover and the rear end cover are installed at the front end and the rear end of the iron-core-free permanent magnet motor stator, and the guide vane is connected to the outer side of the rear end cover; the coreless motor rotor is sleeved on the propeller, the propeller is installed on the shaft through a bearing, and the rear end of the shaft is connected with the guide vane in a positioning mode. The coreless permanent magnet motor is adopted to drive the propeller, the motor rotor directly sleeves the propeller, the transmission efficiency is high, the structure is compact, the coreless permanent magnet motor has no iron loss during operation, the electromagnetic efficiency is high, the cogging torque effect of a traditional coreless permanent magnet motor is avoided, the vibration noise is low, and the coreless permanent magnet motor is suitable for high-efficiency and low-noise underwater application requirements.

    本发明涉及一种水下推进器,具体地说是一种采用无铁芯永磁电机驱动的轮缘推进器。包括无铁芯永磁电机定子、无铁芯永磁电机转子、前端盖、后端盖、螺旋桨、导叶及轴,其中无铁芯永磁电机转子设置于无铁芯永磁电机定子的内侧,前端盖和后端盖安装在无铁芯电机定子的前、后端,导叶连接在后端盖的外侧;无铁芯电机转子套装在螺旋桨上,螺旋桨通过轴承安装在轴上,轴的后端与导叶定位连接。本发明采用无铁芯永磁电机驱动螺旋桨,电机转子直接套装在螺旋桨上,传动效率高,结构紧凑,无铁芯永磁电机在运行时没有铁损,电磁效率高,无传统有铁芯永磁电机的齿槽转矩效应,振动噪声小,适合高效低噪的水下应用需求。


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    Titel :

    Rim propeller driven by coreless permanent magnet motor


    Weitere Titelangaben:

    一种采用无铁芯永磁电机驱动的轮缘推进器


    Beteiligte:
    WANG CHAO (Autor:in) / LIU TIEFA (Autor:in) / HU ZHIQIANG (Autor:in) / WANG XING (Autor:in) / SUN WEI (Autor:in)

    Erscheinungsdatum :

    2022-01-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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