140DDM39000C Quantum
这里所说的普通电机、步进电机、伺服电机、舵机是指直流微电机,平时我们接触的也多是直流电机。 电动机,别名“马达”,就是指根据电磁感应定律保持电磁能的变换或传送的这种电磁感应设备。 电机也称(别名电机),在电源电路连用英文字母“M”(旧规范用“D”)表达。 其主要功能是产生驱动扭矩,用作电器或各种机器的动力源。 发电机由电路中的字母“G”表示。
普通电机
普通电机是我们平时见得比较多的电机,电动玩具,刮胡刀等里面都有,一般为直流有刷电机。 这种电机有转速过快、扭力过小的特点,一般只有两个引脚,用电池的正负极接上两个引脚就会转起来,然后电池得正负极再相反的接在两引脚上电机将会反向转动。
减速电机
减速电机就是普通电机加上了减速箱,这样便降低了转速,增加了扭力,使得普通电机有更广泛的使用空间。
步进电机
步进电机是将电脉冲信号转变为角位移或线位移的开环控制元步进电机件。 在非超载的情况下,电机的转速、停止的位置只取决于脉冲信号的频率和脉冲数,而不受负载变化的影响,当步进驱动器接收到一个脉冲信号,它就驱动步进电机按设定的方向转动一个固定的角度,称为“步距角”,它的旋转是以固定的角度一步一步运行的。 可以通过控制脉冲个数来控制角位移量,从而达到准确定位的目的; 同时可以通过控制脉冲频率来控制电机转动的速度和加速度,从而达到调速的目的。
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