西门子C臂机更换电源电缆、通信电缆教程（型号orbic 3D）

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                    <section><section powered-by="gulangu"><section><section><p><img src="image/20201019/cbc27945e26ed8d955da1d6263023ef7_1.gif" /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>概述</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; C臂机的使用中经常需要移动，沉重的设备有时会在移动过程中碾压电源和通信电缆，本次分享电缆的更换案例。</p><p>&nbsp; &nbsp; &nbsp; 电源电缆对比通信电缆的更换简单得多，不过要注意电缆的选择，除了要考虑线芯的负载，还要注意多股线和单股线的区分。当交流电通过导体时，电流将集中在导体表面流通，这种现象称为趋肤效应。由于存在趋肤效应，而降电流限制在导体截面上的一部分区域，这不仅降低了导线的有效使用面积，还增加了等效电阻。因此电缆应选择多股线来增大导线的导电面积。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/2523638f30d98d6f3a9d0221e1e3fd7d_2.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><p>电缆更换步骤</p></section></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p>1、C臂一端的电缆接头只需将开关逆时针拧下即可拔出，原电缆接头处破损。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/68925a37bffe849c97b207ab08f6075b_3.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>2、电缆连接主机的位置没有使用便携拆卸的接口，需要拆开主机后盖更换。后盖分为上下两层，上层左侧有UPS（图中未体现，PC主机左边），更换前除了需要断开输入电源，还应该拔掉UPS的接头。电源电缆接头在下层，按原位置穿新电缆接好即可。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/6dcd68ec98db206fd1e2a90d375a7f6a_4.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>3、通信电缆与主机连接的一端分出多个模拟信号、数字信号的接头，以及多根用于C臂供电的导线，后盖下层电源模块可以像抽屉一样拉出，便于找到各个接头的位置。拆除旧电缆导线和接头时应注意做好标记（拍照），以免将导线接错位置。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/4efafe1dfb57dbe43918eb23dac0161c_5.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>4、更换后开机测试，设备工作正常。换电缆并没有太大技术难度，主要是穿线过程较为繁琐，整个更换过程预计1~1.5小时。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/c2870b69553bed62d4170b79941d2cad_6.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p>欢</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>迎</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>注</p></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p><img src="image/20201019/96927695b17ffb3c11258f607a0ab1a1_7.jpg" /></p></section></section></section></section><section><section powered-by="gulangu"><section><section></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section></section></section></section></section>