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实用新型
CN206349882U 一种发电机转子测量结构 有权

一种发电机转子测量结构
摘要：
本实用新型公开了一种发电机转子测量结构，设于发电机上，所述发电机包括发电机壳体、定子、转子和永磁体，发电机壳体内壁上设有一磁感应传感器，磁感应传感器固设于发电机壳体的中部。本发电机转子测量结构采用单个PWM信号磁感应传感器对发电机转子位置进行测量，通过转子磁极的漏磁磁场作用于磁感应传感器，从而改变PWM信号占空比，实现精确测量发电机转子位置的目的，该方式能够有效提高转子位置测量精度，降低成本，且磁感应传感器工作环境适应性强，可靠性高，而位于发电机壳体中间位置的磁感应传感器能够有效与发电机转子漏磁磁场相耦合，切不需要增加发电机轴向长度，便于发电机布置。
摘要（英）：

The utility model discloses a generator rotor measures structure, locate the generator on, the generator includes generator housing, stator, rotor and permanent magnet, is equipped with a magnetic induction sensor on the generator housing inner wall, and magnetic induction sensor sets firmly in generator housing's middle part. This generator rotor measures structure adopts single PWM signal magnetic induction sensor to measure the generator rotor position, magnetic leakage magnetic field in magnetic induction sensor through the rotor magnetic pole, thereby change PWM signal dutyfactor, realize the mesh of precision measurement generator rotor position, this mode can effectively improve rotor position survey of fire hole precision, the cost is lowered, and magnetic induction sensor operational environment strong adaptability, high reliability, and be located the magnetic induction sensor of generator housing intermediate position can be effectively and generator rotor magnetic leakage magnetic field phase coupling, it need not increase generator axial length to cut, be convenient for send out motor arrangement.

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