西门子orbic 3D C臂机维修实例

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                    <section><section powered-by="gulangu"><section><p><img src="image/20201019/086ea99a69c95904f60723464cc2150b_1.gif" /></p></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><p>故障分析</p></section><p><img src="image/20201019/e96fbfab2873c59fac24bb8dd97e48af_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; 根据故障现象，首先判断设备是否有X线输出，再判断影像增强器是否工作正常，最后判断摄像系统和图像处理系统是否出现故障。在铝线珊上放螺丝刀曝光图像如下图。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/8ad52c984c23e20b92e64379222981cd_3.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><p>故障处理过程</p></section><p><img src="image/20201019/e96fbfab2873c59fac24bb8dd97e48af_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>1、判断是否有X线输出，通过X射线质量控制设备测量，X线输出正常，说明该设备的X线输出部分没有故障。一般情况下，曝光键盘有正常显示正常的KV值和毫安秒，说明曝光系统无故障。</p><p>2、查看曝光键盘的KV值为110V，正常情况下为50KV，查看束光器是否开启，经检测，束光器正常。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/b12e1661fc252eeba6cf6b312e92c7a1_5.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>3、判断摄像系统和图像处理系统，拆下影像增强器的外壳，在拆下整个影像增强器（固定在机架的两个内六角螺丝，注意重量）放在平车上，拆下整个摄像头（一定要标记摄像头位置，不然校准光野和射野很麻烦），把摄像头对其他任意方向，进行曝光后，有任何影像，说明摄像系统和图像处理系统没有问题。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/1b859ad0e6750250f649937ba664223c_6.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/75ca24b287bfd0966fb99be8f029d72d_7.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>4、判断影像增强器，首先判断小高压是否工作正常，小高压输出测量比较危险，所以先检查输入电压。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/22e5cb7ef40ee14ca4bbee4295557c80_8.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp;通过小高压到D30板的连接图，首先测量X3.1、X3.2、X3.3到小高压的14、15、8端连线是否接通，通过测量X3.2到15端断路，说明D30板的24V没有到小高压。（D30板在机架的内侧，如下图）</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/ca1dbbebd7d313a8e3b79f7489874747_9.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>4、通过判断，D30的24V没有输到小高压，导致影像增强器没有工作，该设备的到小高压的线束更换非常麻烦，不过该设备到哪个部分的电路都有预留备用连接线，通过连接预留线后故障解决。</p><p><br  /></p><p>备注：该设备如果小高压出现故障，是不会有任何报错信息，因此，避免走弯路，出现类似的情况可以优先排查该设备的影响增强器的小高压控制部分。</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><p><img src="image/20201019/f6013964deb40c800a4222d3490b8f0c_10.jpg" /></p></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>