Underspeed detection device, associated ventilation system and vehicle
    1.
    发明申请
    Underspeed detection device, associated ventilation system and vehicle 审中-公开
    低速检测装置,相关通风系统和车辆

    公开(公告)号:US20150309066A1

    公开(公告)日:2015-10-29

    申请号:US14609556

    申请日:2015-01-30

    Applicant: TECHNOFAN

    Abstract: The invention relates to an underspeed detection device (2) for a motor (4) comprising a stator and a rotor movable relative to the stator, the detection device (2) comprising detection means (12) able to generate an electric rotation signal (ir) representative of the speed of rotation of the rotor, and electronic analysis means (20) able to analyze the rotation signal (ir) to detect an underspeed situation, characterized in that the detection device (2) further comprises conversion means (18) able to convert part (ip) of the electric rotation signal (ir) into a power supply current (ial) for the analysis means (20), and means for applying the power supply current (ial) to the analysis means (20) for their electric power supply.

    Abstract translation: 本发明涉及一种用于电动机(4)的低速检测装置(2),包括定子和相对于定子可移动的转子,所述检测装置(2)包括能够产生电旋转信号的检测装置(12) ),以及能够分析旋转信号(ir)以检测低速情况的电子分析装置(20),其特征在于,所述检测装置(2)还包括转换装置(18),其能够 将电动旋转信号(ir)的部分(ip)转换成用于分析装置(20)的电源电流(ial),以及用于将电源电流(ial)施加到分析装置(20)的装置, 电源。

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