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    • 1. 发明授权
    • Case for electronic units
    • 电子单位案例
    • US4991056A
    • 1991-02-05
    • US413878
    • 1989-09-28
    • Norio ShimizuYuichi WatanabeHitoshi Manta
    • Norio ShimizuYuichi WatanabeHitoshi Manta
    • H05K7/14
    • H05K7/1481H05K7/1467H05K7/1477
    • A case is provided for electronic units forming an electronic equipment such as a programmable controller. The case includes a box-type case proper for containing a printed circuit board having connectors to form an electronic circuit, a panel including a terminal board mounting portion and an indicator section for displaying preset values, an indicator section cover for covering a part of the indicator section of the panel, and a cover for covering the upper part of the panel whereby these components are easily combined without using screws or the like. Also, a marking sheet having a color which differs for different types of units can be mounted on the panel. Further, when used as the case for ordinary electronic units, a ground terminal fitting is attached to the back surface of the case proper in manner that the ground terminal fitting is connected to a ground member of a printed circuit board contained in the case proper, and mounting the case on a mother board connects the ground terminal fitting to a ground terminal formed on the mother board.
    • 为形成诸如可编程控制器的电子设备的电子单元提供了一种情况。 壳体包括用于容纳具有用于形成电子电路的连接器的印刷电路板的箱型壳体,包括端子板安装部分的面板和用于显示预设值的指示器部分,用于覆盖部分 指示器部分,以及用于覆盖面板的上部的盖,由此这些部件容易地组合而不使用螺钉等。 此外,可以在面板上安装具有不同类型单元的颜色的标记片。 此外,当用作普通电子单元的情况下,将接地端子接头连接到壳体的背面,接地端子接头连接到容纳在壳体中的印刷电路板的接地构件, 并且将壳体安装在母板上将接地端子接头连接到形成在母板上的接地端子。