迈瑞BC-6000维修案例分析

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                    <section data-style-type="4" data-tools="新媒体排版" data-id="9222"><p><p><img src="image/20200927/d0b3ca832922378f0c99779a9aeb81bb_1.gif" /></p><br  /></p></section><p><br  /></p><section data-style-type="6" data-tools="新媒体排版" data-id="1847"><blockquote><section><p><span><strong>故障</strong></span><span></span></p></section><section><p><span>仪器夜路状态异常</span></p></section></blockquote></section><p><strong><span></span></strong></p><section data-style-type="1" data-tools="新媒体排版" data-id="11810"><section data-style-type="1" data-tools="新媒体排版" data-id="11814"><section><br  /></section></section><section data-style-type="1" data-tools="新媒体排版" data-id="11814"><section><section powered-by="gulangu.us"><section><section><section><section><section><p>1</p></section></section></section><section></section><section><section><strong>故障现象详细</strong></section></section></section></section></section></section></section><section><br  /></section></section><p><br  /></p><p><span><span>仪器夜路状态异常，软件执行故障排除仪器仍报警；重启仪器，初始化过程中加样针下降到</span><span>RBC<span>池时报警，仪器初始化失败（如图）。</span></span></span><strong><span></span></strong></p><p><p><img src="image/20200927/b46ea9b16a6040b130725dbf160f8386_2.jpg" /></p></p><p><p><img src="image/20200927/ffd2bd45108b8a9808f9e8028b3f4ccc_3.png" /></p></p><p><br  /></p><section data-style-type="1" data-tools="新媒体排版" data-id="11814"><section><section powered-by="gulangu.us"><section><section><section><section><section><p>2<br  /></p></section></section></section><section></section><section><p><span><strong><span>故障分析与</span></strong><strong><span>排除</span></strong></span><strong><span></span></strong></p></section></section></section></section></section></section><p><span>机理：液压力传感器感应到压力异常</span></p><p><span><span>0x32060414 </span><span>液体压力本底电压超标。系统检测到液压传感器在管路无液压情况下的本底电压超过正常范围，有可是否管路折死，针堵了或者液压传感器坏了。</span></span></p><p><span>根据上述推论我们结合液路图分析：样本针吸取样本时ASP注射器提供动力——样本经样本针——j1-T180-p9——SV55——T79/T78/T77——LPS——T76完成样本的采样。下面就分段检查液路部分，检查时发现压力传感器及两端管路有较多微小气泡，判断某段管路有打折或者堵塞现象。</span></p><p><p><img src="image/20200927/4072489781e98d6568d3bffc0f391246_4.png" /></p></p><p><p><img src="image/20200927/a0d6241cc28e32558b0720d9e3469453_5.jpg" /></p></p><p><br  /></p><p><span>1.&nbsp;<span>拆下样本针，放入盛有探头清洗液的容器中，用注射器抽打样本针。重新安装，开机仪器仍报警。</span></span></p><p><span>2.&nbsp;<span>再次关机，拆下</span>j1-T180-p9与SV55相连接头，在样本针下放置空试管，用注射器从接头处吹打数次，重新安装后开机，仪器初始化顺利通过，此时仪器未报警。</span></p><p><span>3.&nbsp;<span>用服权限下执行仪器加样针维护，仪器运行正常。</span></span></p><p><span>4.&nbsp;<span>根据客户要求进行样本测试及比对，仪器运行良好，比对结果良好。与主任沟通，说明本次故障原因为有凝块或其他异物进入加样管路，目前故障已处理，快速的修复了故障，主任比较满意，此次维修完毕。</span></span><span></span></p><p><strong><em><span>&nbsp;</span></em></strong></p><section data-style-type="1" data-tools="新媒体排版" data-id="11814"><section><section powered-by="gulangu.us"><section><section><section><section><section><p><span>3</span></p></section></section></section><section></section><section><p><span><strong><span>总结分析</span></strong><strong><span></span></strong></span></p><section><br  /></section></section></section></section></section></section></section><p><span>本次故障原因：由于样本凝块或其他异物（如细小胶塞），进入</span><span><span>j1-T180-p9管路中，造成仪器在吸样时压力超出压力传感器允许范围，从而报警仪器夜路状态异常</span><strong><span>。</span></strong><strong><span></span></strong><span>本次是血球的第一次维修，感谢李红良李工的正确引导和示范。</span></span><span>从查看故障信息；到报警现象观察；到故障机理分析；再到最后确定故障点和排除故障。维修仪器的思路非常重要，可以帮助我们很快的解决问题。</span><span></span></p><p><strong><span>&nbsp;</span></strong></p><section data-style-type="6" data-tools="新媒体排版" data-id="2279"><section><section><section data-width="65%"></section><section><p><em><span><strong><span>附录：</span></strong></span></em><span><strong><span></span></strong></span><strong><span></span></strong></p><section data-style="color: inherit; box-sizing: border-box;line-height: 1.75em; text-align: justify;"><p><span>本次维修过程中还发现了另外一个潜在问题。RBC池与隔离室相连的管路有打折现象（如下图）。拆下管路修理后，两端对调，安装后没有打着现象。</span></p><p><span><strong><span>注：</span></strong></span><span>此处空间较小，尤其是RBC池底部接口到仪器底面板距离更小，且与隔离室相连时成<span>S</span>形，加大了管路打折的风险。此处管路建议定期检查，防止溢流。</span></p><br  /></section></section><section></section></section><p><br  /></p></section></section><p><br  /></p><p><p><img src="image/20200927/4ee5f8057d3cb359b1114f97b032ae3a_6.png" /></p></p><section data-style-type="7" data-tools="新媒体排版" data-id="9234"><section><section><section><section><p><img src="image/20200927/cef6d60d120c5af6ee3964acd661a340_7.png" /></p></section></section></section></section></section><p><strong><span>本文为原创，转载请留言并注明出处</span></strong></p>