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    • 1. 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。
    • 2. 发明授权
    • Resistor for a servo amplifier and servo amplifier provided thereof
    • 用于伺服放大器和伺服放大器的电阻器
    • US06313974B1
    • 2001-11-06
    • US09295109
    • 1999-04-21
    • Shunsuke MatsubaraTatsuo ShinoharaMakoto Takeshita
    • Shunsuke MatsubaraTatsuo ShinoharaMakoto Takeshita
    • H02H900
    • H05K7/20518H05K7/209
    • Leg portions are provided at the four corners of a resistor that generates a large amount of heat and a partition panel is secured to the top of the leg portions through a heat-insulating spacer. A adiabatic layer is formed by an empty space between the resistor and the partition panel. Further, the transmission of heat from the resistor through the leg portions to the partition panel is suppressed by the heat-insulating spacer. A servo amplifier is connected to the mounting portions provided on the partition panel, at the side opposite the resistor main body. As the transmission of heat generated by the resistor to the servo amplifier main body is cut off by the partition panel and suppressed, components inside the servo amplifier are protected from heat.
    • 腿部设置在产生大量热量的电阻器的四个角处,并且隔板通过绝热间隔件固定到腿部的顶部。 绝热层由电阻器和分隔板之间的空白空间形成。 此外,通过隔热间隔件抑制从电阻器通过腿部向分隔板的热传递。 伺服放大器与设置在分隔板上的与电阻器主体相对的一侧的安装部分连接。 由于由电阻器向伺服放大器主体产生的热量被分隔板切断并被抑制,因此可以防止伺服放大器内的部件受热。
    • 7. 发明授权
    • Casing structure for an amplifier unit for an AC spindle
    • 用于交流主轴的放大器单元的外壳结构
    • US5012173A
    • 1991-04-30
    • US334275
    • 1988-12-29
    • Yoshiki FujiokaTatsuo Shinohara
    • Yoshiki FujiokaTatsuo Shinohara
    • H05K5/00H02P23/00H05K7/14
    • H05K7/1432
    • An amplifier unit for an AC spindle, comprising a casing (10) and an amplifier integrally contained in the casing (10) and electrically interposed between an AC motor for driving the spindle of a machine tool and a power source. Component fixing seats respectively for receiving the attachments (18) of a plurality of electric circuit components (B, D, G, H) forming the amplifier thereon are formed in the plate-shaped section (12) and concave section (14) of the casing (10) at predetermined positions substantially in the ceiling plane of the casing (10), thin, lengthwise, plate-shaped ribs (22) are formed respectively around the predetermined positions to guide the electric circuit components (B, D, G, H) so that the attachments (18) of the electric circuit components (B, D, G, H) are seated respectively on the corresponding component fixing seats in alignment with the same, and the ribs (22) are provided respectively with inclined surfaces (24) for guiding the electric circuit components (B, D, G, H) when mounting the same on the casing (10) so that the electric circuit components (B, D, G, H) are positioned respectively at the predetermined positions.
    • 9. 发明授权
    • High-frequency noise absorbing circuit
    • 高频吸音电路
    • US4651266A
    • 1987-03-17
    • US778188
    • 1985-09-17
    • Yoshiki FujiokaTatsuo Shinohara
    • Yoshiki FujiokaTatsuo Shinohara
    • H02M1/14H02M1/15H02M5/458H02M1/12
    • H02M5/458H02M1/14H02M1/15
    • A high-frequency noise absorbing circuit in a control circuit of a loading device having a power supply section (I), a converter circuit section (II), a DC link section (III) and an inverter circuit section IV, with capacitors C3 and C4 being connected between ground and respective positive and negative terminals of the DC link section (III) and a smoothing capacitor C1 connected between the positive and negative terminals of the DC link section (III). The high-frequency noise absorbing circuit includes a zero-phase reactor L1 arranged in the power supply section (I). Further, the high-frequency noise absorbing circuit includes a zero-phase reactor L1 arranged in the power supply section (I), and capacitors C5 arranged between the lines of the power supply section (I).
    • PCT No.PCT / JP85 / 00065 Sec。 371日期:1985年9月17日 102(e)1985年9月17日PCT PCT公布1985年2月16日PCT公布。 第WO85 / 03813号公报 日期:1985年8月29日。一种装载装置的控制电路中的高频噪声吸收电路,具有电源部分(I),转换器电路部分(II),直流链路部分(III)和反相器电路 部分IV,其中电容器C3和C4连接在直流链路部分(III)的接地与相应的正极和负极端子之间,以及连接在直流链路部分(III)的正极和负极端子之间的平滑电容器C1。 高频噪声吸收电路包括布置在电源部分(I)中的零相电抗器L1。 此外,高频噪声吸收电路包括布置在电源部分(I)中的零相电抗器L1和布置在电源部分(I)的线之间的电容器C5。