好学医电在线

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<section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><section><svg viewbox="0 0 1 1"></svg></section></section><section><section powered-by="gulangu"><p><strong>明日复明日，明日何其多。</strong></p></section><section powered-by="gulangu"><p>○</p></section><section powered-by="gulangu"><p><strong>无畏的太阳</strong></p></section><section powered-by="gulangu"><p>○</p></section><section powered-by="gulangu"><p><span>医疗|学习|钻研|电子电路|原理</span><br  /></p></section></section><section><section><svg viewbox="0 0 1 1"></svg></section></section></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p><img src="image/20201019/63d2a703b477e3be030829197dcbd0d3_1.jpg" /></p></section></section><section powered-by="gulangu"><p><strong>欢迎关注</strong></p></section></section><section><section powered-by="gulangu"><section><p><img src="image/20201019/6a32ba32a91e65aff614549335ae0150_2.png" /></p></section></section><section powered-by="gulangu"><p><strong>好学医电在线</strong></p></section></section></section><section powered-by="gulangu"><p><strong>请留下你指尖的温度</strong></p><p><strong>让太阳拥抱你</strong></p><p><strong>记得这是一个有温度的公众号</strong></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><section><br  /></section></section></section></section><section><section powered-by="gulangu"><p>三源牌CDMJ-100型过氧化氢低温等离子体灭菌器</p><p><br  /></p></section></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><p><strong>故障现象</strong></p></section></section></section></section><section powered-by="gulangu"><p><strong>开机，预热完，点击启动运行，进度条一直显示百分之0，没有任何变化。可以听到交流接触器吸合的声音和真空泵的声音，电机不运转。</strong><br  /></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><p><span>分析过程</span><br  /></p></section></section></section></section><section powered-by="gulangu"><p><strong>一、原理</strong></p><p><span><strong>低温等离子灭菌的流程：</strong></span></p><p><span><strong>①抽真空（真空条件下，将汽化过氧化氢均匀扩散到舱内整个空间，并能穿透到灭菌包内）</strong></span></p><p><span><strong>②加过氧化氢（灭菌舱内经预热达到工作温度使过氧化氢汽化，扩散到舱内各个角落）</strong></span></p><p><span><strong>③等离子放电（舱壁和内胆电极加上高频电场，电离过氧化氢，生成多种利于杀菌的离子）</strong></span></p><p><span><strong>④补气（开启充气阀，补充新鲜无菌气体，使过氧化氢充分弥散）</strong></span></p><p><span><strong>再抽真空。循环三次，最后充平气压，灭菌完成。</strong></span></p><p><span><strong>低温等离子真空部分的组成：</strong></span></p><p><strong><span>主机＞交流接触器/继电器＞真空泵/真空阀＞灭菌舱＞过滤瓶＞排气过滤口。</span></strong><br  /></p><p><strong><span>真空泵大致电路原理：</span></strong></p><p><strong><span>灭菌舱预热结束后，由主机提供信号到交流接触器/继电器来开启和关闭真空泵。</span></strong></p></section><section powered-by="gulangu"><section><p><img src="image/20201019/6950d897a64c498ac5d4bbc230f130ce_3.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/f42dcd17377cdfd0d3260ee42441d468_4.jpg" /></p></section></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><p><span><strong><br  /></strong></span></p><p><span><strong>过氧化氢</strong></span></p><p><span><strong>过氧化氢的化学式为H2O2，临床通常称为双氧水，外科清创处理伤口时使用的是3%的过氧化氢溶液。</strong></span></p><p><strong>作为灭菌介质时，其浓度可就大大不同了，要高达55%~60%，是一种强氧化剂。</strong></p><p><strong>汽化</strong></p><p><strong><span>汽化(vaporization)是指物质从液态吸热后变为气态的相变过程。蒸发和&nbsp;沸腾是物质汽化的两种形式。</span></strong></p><p><strong><span>真空环境的特点：</span></strong></p><p><strong><span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;①：低于标准大气压</span></strong></p><p><strong><span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;②：不适合于大部分微生物生存</span></strong></p><p><strong><span>③：分子，离子自由运动加强</span></strong></p><p><strong><span><br  /></span></strong></p></section><section powered-by="gulangu"><p><span><strong>二、分析</strong></span></p><p><strong><span>根据故障现象可以立马判定是真空泵的问题。有声音不运转，一般是以下几种情况：</span></strong></p><p><strong><span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ①供电电压有问题。</span></strong></p><p><strong><span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ②电机卡死或者泵头卡死。</span></strong></p><p><strong><span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ③真空泵坏。</span></strong></p></section><section powered-by="gulangu"><section><p><img src="image/20201019/8e4669133124ae6dabce6cd598855f83_5.jpg" /></p></section></section><section powered-by="gulangu"><p><span><strong><br  /></strong></span></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><p><strong>解决方法</strong></p></section></section></section></section><section powered-by="gulangu"><p><strong>检测交流接触器输出电压220V交流，供电正常，故排除。</strong></p><p><strong>将真空泵的电机和泵头分离，电机部分尝试用手转动正常，排除电机。</strong></p></section><section powered-by="gulangu"><section><p><img src="image/20201019/cf54359e1664f702be26cb76dcff1442_6.jpg" /></p></section></section><section powered-by="gulangu"><p><strong>旋转泵头时卡死，将油箱的油放掉，拆出油箱，取出泵头，发现内部真空旋片断裂，导致泵卡死。</strong></p></section><section powered-by="gulangu"><section><p><img src="image/20201019/d97670706ceadbbea49c090b0587c19a_7.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/0fe4857662ebe3c7c7c5e27eba6cead4_8.jpg" /></p></section></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><p><strong>取出断裂的旋片，泵头可以正常旋转。</strong></p></section><section powered-by="gulangu"><section><p><img src="image/20201019/07e318b3376d40222ea5fe03dac3a6e0_9.jpg" /></p></section></section><section powered-by="gulangu"><p><strong>判定更换真空旋片可以修复。</strong><br  /></p></section><section powered-by="gulangu"><section><p><img src="image/20201019/4f3b1da3c08179754f815de30462f80f_10.jpg" /></p></section></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p>欢</p></section></section></section><section><section powered-by="gulangu"><section><p>迎</p></section></section></section><section><section powered-by="gulangu"><section><p>关</p></section></section></section><section><section powered-by="gulangu"><section><p>注</p></section></section></section></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p><img src="image/20201019/63d2a703b477e3be030829197dcbd0d3_1.jpg" /></p></section></section></section><section><section powered-by="gulangu"><section><section></section></section></section></section><section><section powered-by="gulangu"><p>好学医电在线</p><p>和他的朋友们</p></section></section></section><section powered-by="gulangu"><section><section><svg viewbox="0 0 1 1"></svg></section></section><section><section><svg viewbox="0 0 1 1"></svg></section></section></section></section>