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    • 2. 发明授权
    • Servo amplifier unit
    • 伺服放大器单元
    • US06292363B1
    • 2001-09-18
    • US09292920
    • 1999-04-16
    • Tatsuo ShinoharaHideyuki NakamuraNaoyuki SuzukiKiichi InabaMakoto Takeshita
    • Tatsuo ShinoharaHideyuki NakamuraNaoyuki SuzukiKiichi InabaMakoto Takeshita
    • H05K720
    • H05K7/1432H02M7/003
    • A semiconductor module is mounted on a printed circuit board so that a heat radiating surface of the module and surfaces of the printed circuit boards are parallel to inner wall surfaces of a unit case. The total thickness of the semiconductor module constituting an inverter essential to a servo amplifier, and the printed circuit boards on which the semiconductor module is mounted is made substantially equal to a distance between the inner walls of the unit case so that the width of the servo amplifier can be minimized. The other components having sizes smaller than the width of the unit case are selected, and an electrolytic capacitor and the like are divided into a plurality of parts so that the divided parts are separately accommodated. Further, air passages are defined by guide plates closing gaps between the components, so that air is impinge concentratedly on components which need to be cooled during forced air cooling by fans, whereby the cooling efficiency is enhanced, permitting dense arrangement of the components and making it possible to provide a servo amplifier reduced in thickness and in size.
    • 半导体模块安装在印刷电路板上,使得模块的散热表面和印刷电路板的表面平行于单元壳体的内壁表面。 构成伺服放大器所必需的逆变器的半导体模块的总厚度以及安装有半导体模块的印刷电路板的厚度基本上等于单元壳体的内壁之间的距离,使得伺服的宽度 放大器可以最小化。 选择尺寸小于单位壳体的宽度的其他部件,并且电解电容器等被分成多个部分,使得分开的部分被分开容纳。 此外,通过封闭部件之间的间隙的引导板限定空气通道,使得空气集中地冲击在由风扇强制空气冷却期间需要冷却的部件上,从而提高冷却效率,允许部件的紧密布置和制造 可以提供减小厚度和尺寸的伺服放大器。
    • 4. 发明授权
    • Motor drive control system enabling connection of direct current/alternating current conversion device
    • 电机驱动控制系统可连接直流/交流电转换装置
    • US08575884B2
    • 2013-11-05
    • US13438232
    • 2012-04-03
    • Naoki MasudaKiichi Inaba
    • Naoki MasudaKiichi Inaba
    • H02P27/04
    • H02P5/74H02J1/14H02P29/02
    • A motor drive control system connected to an alternating current/direct current conversion circuit which converts alternating-current voltage or alternating current to direct-current voltage or direct current are provided. A control circuit controls supply or stop of the supply of the direct-current voltage or direct current from the alternating current/direct current conversion circuit to the first number of first direct current/alternating current conversion circuits and the second number of second direct current/alternating current conversion circuits while maintaining the total of the outputs of the first number of motors and the outputs of the second number of motors at a certain power not more than power which can be supplied from the alternating current/direct current conversion circuit.
    • 提供了连接到将交流电压或交流电转换为直流电压或直流的交流/直流转换电路的电动机驱动控制系统。 控制电路控制将来自交流/直流转换电路的直流电压或直流电的供给或停止提供给第一数量的第一直流/交流电转换电路和第二数量的第二直流/ 交流电转换电路,同时将第一数量的电动机的输出和第二数量的电动机的输出的总和保持在不大于可从交流/直流转换电路提供的功率的一定功率。
    • 5. 发明申请
    • MOTOR DRIVE CONTROL SYSTEM ENABLING CONNECTION OF DIRECT CURRENT/ALTERNATING CURRENT CONVERSION DEVICE
    • 电机驱动控制系统启用直流/交流电流转换装置的连接
    • US20120256567A1
    • 2012-10-11
    • US13438232
    • 2012-04-03
    • Naoki MASUDAKiichi Inaba
    • Naoki MASUDAKiichi Inaba
    • H02P5/74
    • H02P5/74H02J1/14H02P29/02
    • A motor drive control system connected to an alternating current/direct current conversion circuit which converts alternating-current voltage or alternating current to direct-current voltage or direct current are provided. A control circuit controls supply or stop of the supply of the direct-current voltage or direct current from the alternating current/direct current conversion circuit to the first number of first direct current/alternating current conversion circuits and the second number of second direct current/alternating current conversion circuits while maintaining the total of the outputs of the first number of motors and the outputs of the second number of motors at a certain power not more than power which can be supplied from the alternating current/direct current conversion circuit.
    • 提供了连接到将交流电压或交流电转换为直流电压或直流的交流/直流转换电路的电动机驱动控制系统。 控制电路控制将来自交流/直流转换电路的直流电压或直流电的供给或停止提供给第一数量的第一直流/交流电转换电路和第二数量的第二直流/ 交流电转换电路,同时将第一数量的电动机的输出和第二数量的电动机的输出的总和保持在不大于可从交流/直流转换电路提供的功率的一定功率。