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<p><p><img src="image/20200927/0a12b1cb39bb40303b30e39f3f9472e4_1.png" /></p></p><p><br /></p><p><p><img src="image/20200927/657bab5a3e3dc5944969040ef9b634cb_2.jpg" /></p><br /></p><p><br /></p><section label="Copyright ? 2015 Yead All Rights Reserved."><section><section><p><span>故障一：</span></p></section><section><br /></section></section></section><p><strong><span><span>呼吸器工作正常</span> , <span>但无潮气量输出</span> , <span>例如潮气量设置</span> 600mL <span>时无呼出潮气量</span> <span>。</span></span></strong> <br /></p><p><br /></p><p><span><strong><span>分析与排除</span></strong> ：</span><span>由于</span> fabius <span>列麻醉机均具有自检功能</span> , <span>在待机状态时</span> , <span>进行开机前的自检</span>, <span>首先连接好完整的呼吸回路</span>, <span>检测无泄漏时</span>, <span>接通控制箱</span>, <span>在</span> menu <span>选单下</span> , <span>选择</span> confiquration <span>配置选择中的</span>keycode<span>将数字选择至</span> 112 <span>时确认</span> , <span>会出现一个选单。在此选单中选择</span> mon +vent <span>模式</span>, <span>然后进行</span>  EEP <span>阀的标定</span>, <span>整个标定大约需耗时</span> 3 <span>～</span> 5 min , <span>若标定完成后无</span> ok <span>信息提示时</span> , <span>证明</span>EEP <span>阀部分故障</span> , <span>需进行更换或维修</span> <span>。进行维修</span> EEP <span>阀时</span> , <span>先打开机器后盖</span> , <span>在负压板上找到电子</span> EEP <span>阀</span> , <span>将</span>EEP <span>阀取下</span>, <span>检测</span> EEP <span>阀上的匹配电阻</span> (50 <span>～</span> 60 <span>Ψ</span>)<span>是否损坏</span> , <span>若损坏请更换一适当电阻</span>, <span>将</span> EEP <span>阀重新装入电路板后开机调试</span> <span>。若上述维修</span> <span>无法令</span> EEP <span>阀恢复到正常工作状态</span> , <span>需联系售后进行更换</span> <span>。</span></p><p><span><br /></span></p><p> <p><img src="image/20200927/62776e982de1c5bf72476e0a4f443075_3.jpg" /></p><br /></p><p><br /></p><section label="Copyright ? 2015 Yead All Rights Reserved."><section><section><p>故障二：</p></section><section><br /></section></section></section><p><strong><span><span>呼吸器工作异常</span> , <span>呼吸机活塞只在马</span> <span>达传动杆的推动下作小幅往返运动</span> , <span>潮气量远小于设定值。</span></span></strong></p><p><span><br /></span></p><p><span>例如潮气量设为</span> 600mL <span>时</span>, <span>输出只有</span> 100 <span>～</span> 200mL<span>。</span></p><p><span><br /></span></p><p><strong><span><span>分析与排除</span>：</span></strong><span>在维修模式下</span> (<span>在</span>menu <span>选单下</span>, <span>选择</span> confiquration <span>配置选择中的</span> keycode <span>将数字选择</span> <span>至</span>1 <span>时确认</span> , <span>然后按下主屏幕按键出现一个界面</span>), <span>检测其中负压泵的负压值</span> (<span>正常值</span> <span>为</span> 180 <span>～</span> 220mba), <span>若泵压值远小于正常值</span> , <span>则为负压泵出现故障</span>, <span>无法为呼吸器提供正常的工作状态</span> <span>。此时打开后盖</span> , <span>检查负压泵外部是否过脏</span>, <span>用干净棉布清洁外部后</span>, <span>打开负压泵体</span>, <span>检查内部活塞是否破损</span>, <span>以便及时更换活塞或负压泵</span>, <span>如无破损请清洁活塞后重新安装好负压泵</span> , <span>在开机调试状态下</span>, <span>调动负压泵泵头的调压旋钮</span> , <span>将负压值调至</span>180mba <span>左右</span> , <span>此时呼吸器将恢复正常工作</span> , <span>故障排除。若泵压值在正常范围内</span>, <span>则可以排除是泵的问题</span> , <span>应对麻醉机的呼吸器部分进行检查</span> <span>。</span></p><p> </p><p><p><img src="image/20200927/bc9e84f3101a56314f42840791457cea_4.jpg" /></p><br /></p><p><br /></p><section label="Copyright ? 2015 Yead All Rights Reserved."><section><section><p><span>故障三</span>:</p></section><section><br /></section></section></section><p><strong><span>呼吸器马达冲顶或马达卡死。</span></strong></p><p><span><br /></span></p><p><span><strong><span>分析与排除</span>：</strong></span><span>一般马达冲顶是由于马达转速失控造成</span> , <span>马达转动由编码盘间接控制</span> , <span>编码器盘片周围一圈有密集的小孔</span> , <span>可以通过光束</span>, <span>编码器盘片的上下分别是发光管和光电接受器</span> , <span>马达和编码器转动造成光路的通断</span> , <span>实现计数功能从而能够控</span> <span>制马达的转动圈数。比如说我们设定</span> 100 mL <span>潮气量</span> , <span>那么编码器控制马达转</span> 10 <span>圈</span>, <span>由马达转动推动上面的呼吸机活塞向上推</span> 5 cm, <span>就能精确打出</span> 100mL <span>的潮气量。出现故障后</span>, <span>将呼吸器外罩打开</span> , <span>可以用一张纸片挡住光束</span>, <span>看呼吸器马达是否仍然冲顶</span>, <span>若是</span> , <span>则发光管与光电耦合器损坏</span> , <span>需更换一组光电耦合器和发光管。若挡住光束后马达停止转动</span> , <span>请检查马达的控制电路部分。若由于马达冲顶造成的马达连杆卡死</span>, <span>可以先拆开马达重新组装马达连杆即可解决。此外</span>, <span>由于马达的连续冲顶也可以造成马达驱动电路的损坏</span>, <span>可以通过测量有无电压输出来判断</span> , <span>无电压输出时</span> , <span>请检测驱动电路板上的四个大功率三极管的通断</span> , <span>更换同型号的三极管后马达可恢复正常工作。</span></p><p><span><br /></span></p><p><span><strong><span>小结</span><span>：</span></strong></span></p><p><span><strong><span><br /></span></strong></span></p><p><span>上述故障现象均出现在呼吸器部分工作异常</span><span>, </span><span>但引发原因有着本质的区别</span><span>, </span><span>我们工程技术人员平时多观察多分析</span><span> , </span><span>从原理上理解</span><span>, </span><span>多积累一点维修经验</span><span> , </span><span>一旦出现异常</span><span>, </span><span>便能迅速作出判断</span><span>, </span><span>及时处理</span><span>, </span><span>以提高工作效率</span><span> </span><span>。</span></p><p><span><br /></span></p><p><span></span></p><p><strong><span>来源：医学工程在线</span></strong></p><p><strong><span><br /></span></strong></p><section label="powered by gulangu"><section label="Copyright ? 2015 Yead All Rights Reserved."><p><p><img src="image/20200927/e44fb82457d9faaf6786cfda23e64de9_5.gif" /></p><br /></p><p><br /></p><section label="Copyright ? 2015 Yead All Rights Reserved."><blockquote><p><br /></p><p><span><strong><span>《医疗器械维修工程师第二聚集地》</span></strong></span></p><p><span>这里聚集了：</span></p><p><span>5000位工程师在线解答</span></p><p><span>解决您的</span></p><p><span>技术咨询</span></p><p><span>维修保养</span></p><p><br /></p><p><strong><span>微信交流</span></strong><span><br /></span></p><p><span>微信：Weixiu_Bang</span></p><p><span>电话：17715276649</span></p><p><br /></p><p><span><strong>相关文章推荐</strong></span></p><p><span><strong><br /></strong></span></p><p><span>血液分析仪五分类技术原理（干货）</span></p><p>医疗器械，被预测成为未来最赚钱的行业之一<br /></p><p><span>医疗器械维修工程师，您到了那层境界了？</span></p><p><br /></p><p><br /></p></blockquote></section><p><br /></p></section></section>
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发表于 2020-9-27 10:05:55