如何快速判断PB840流量传感器好坏？

admin

                    

                    

                    
                    
                    <p><span><strong><p><img src="image/20201019/dc3cb99b24359270503a14592bde7ccf_1.png" /></p><br  /></strong></span></p><p><span><strong><br  /></strong></span></p><p><span><strong>PB840</strong><strong><span>呼吸机，内有内置流量传感器</span></strong><strong>3</strong><strong><span>个，分别由氧气流量传感器（</span></strong><strong>Q1</strong><strong><span>）</span></strong><strong>,</strong><strong><span>空气流量传感器（</span></strong><strong>Q2</strong><strong><span>）</span></strong><strong>,</strong><strong><span>呼出端流量传感器</span></strong><strong>(Q3)</strong><strong><span>组成，由于使用时间过长老化或者使用保养不当或者机器进水，都会导致传感器损坏需要更换，如何能快速。准确的来判断哪个传感器器已经损坏呢？下面用简单的方法来告诉大家。</span></strong></span></p><p><span><strong><span>结构原理，我想也可以用能量守恒定律或欧姆定律理解，如下图：</span></strong></span></p><p><span><strong><span><br  /></span></strong></span></p><p><span><strong><span><p><img src="image/20201019/c5a0e83091df12bbead9974daa2f10db_2.jpg" /></p></span></strong></span></p><p><span><strong><span></span></strong></span></p><p><span><strong><span>就是说，流进的气流量等于出来的气流量，</span></strong><strong>PB840</strong><strong><span>为了达到精准的控制，会设定多个数据点来检测，假如在</span></strong><strong>120L/MIN</strong><strong><span>时，从</span></strong><strong>Q1</strong><strong><span>进去，监测数据应该在</span></strong><strong>120L/MIN</strong><strong><span>的流量，从</span></strong><strong>Q3</strong><strong><span>出来的监测数据，正常的话应该也在</span></strong><strong>120/MIN,</strong><strong><span>同样道理，假如从空气</span></strong><strong>Q2</strong><strong><span>进气，</span></strong><strong>Q3</strong><strong><span>出来监测的数据也应该在</span></strong><strong>120L/MIN.</strong></span></p><p><span><strong><br  /></strong></span></p><p><span><strong><p><img src="image/20201019/efdab9f4e73ee3e04fc94d98f6b886b8_3.jpg" /></p></strong></span></p><p><span><strong><br  /></strong></span></p><p><span><strong><span>从图可以看出，当在特定的气流</span></strong><strong>120L/MIN</strong><strong><span>时。</span></strong><strong>Q1</strong><strong><span>监测的数据只有</span></strong><strong>120L/MIN,</strong><strong><span>而且</span></strong><strong>Q3</strong><strong><span>出来的数据有</span></strong><strong>135L/MIN</strong><strong><span>，或</span></strong><strong>Q1</strong><strong><span>监测的数据只有</span></strong><strong>100L/MIN,Q3</strong><strong><span>出来的数据只有</span></strong><strong>70L/MIN,</strong><strong><span>空气端的数据进去和出来的还是</span></strong><strong>120L/MIN,</strong><strong><span>那么很清楚的说明，</span></strong><strong>Q1</strong><strong><span>传感器已经出现了偏差，说明</span></strong><strong>Q1</strong><strong><span>坏了</span></strong></span></p><p><span><strong><span><br  /></span></strong></span></p><p><p><img src="image/20201019/60e959ed036e8c763465e70767e6e3b8_4.jpg" /></p></p><p><br  /></p><p><span><strong><span>从图可以看出，当在特定的气流</span></strong><strong>120L/MIN</strong><strong><span>时。</span></strong><strong>Q2</strong><strong><span>监测的数据只有</span></strong><strong>120L/MIN,</strong><strong><span>而且</span></strong><strong>Q3</strong><strong><span>出来的数据有</span></strong><strong>135L/MIN,</strong><strong><span>或者</span></strong><strong>Q2</strong><strong><span>监测的数据只有</span></strong><strong>100L/MIN,</strong><strong><span>而且</span></strong><strong>Q3</strong><strong><span>出来的数据有</span></strong><strong>70L/MIN</strong><strong><span>，但是氧气端的数据进去和出来的都是</span></strong><strong>120L/MIN,</strong><strong><span>那么很清楚的说明，</span></strong><strong>Q2</strong><strong><span>传感器已经出现了偏差，说明</span></strong><strong>Q2</strong><strong><span>坏了。</span></strong></span></p><p><span><strong><span><br  /></span></strong></span></p><p><span><strong><span><p><img src="image/20201019/205ee9dbfed4e97d21b9308e3f0be6a2_5.jpg" /></p></span></strong></span></p><p><span><strong><span><br  /></span></strong></span></p><p><span><strong><span>从图可以看出，当在特定的气流</span></strong><strong>120L/MIN</strong><strong><span>时。</span></strong><strong>Q2</strong><strong><span>监测的数据有</span></strong><strong>120L/MIN,</strong><strong><span>而且</span></strong><strong>Q3</strong><strong><span>出来的数据只有</span></strong><strong>100L/MIN</strong><strong><span>或者</span></strong><strong>135L/MIN,</strong><strong><span>氧气端的数据</span></strong><strong>120L/MIN</strong><strong><span>时</span></strong><strong>,Q3</strong><strong><span>出来的数据也只有</span></strong><strong>100L/MIN</strong><strong><span>或者</span></strong><strong>135L/MIN,</strong><strong><span>那么很清楚的说明，</span></strong><strong>Q3</strong><strong><span>传感器已经出现了偏差，说明</span></strong><strong>Q3</strong><strong><span>坏了。</span></strong></span></p><p><span><strong><span><br  /></span></strong></span></p><p><span><strong><span><p><img src="image/20201019/8eeb60c398e00c19a302ec37a97eca47_6.png" /></p><br  /></span></strong></span></p><p><span><strong><span><br  /></span></strong></span></p><p><span><strong><span>当然，满足上面的条件，就是机器其他配件是好的，如气源保证，系统不漏气，呼气阀，安全阀，</span></strong><strong>AI</strong><strong><span>板，吸气压力板，比例电磁阀都应该完好，如需了解更多，敬请继续关注。</span></strong></span></p><p><br  /></p><p><span><br  /></span></p><p><br  /></p><p><p><img src="image/20201019/d68d51733504dd4b71877aafc632bdd1_7.png" /></p><br  /><p><img src="image/20201019/f6c9a68b3ec844f312bb4dc731c78a45_8.png" /></p></p><p><br  /></p><p><p><img src="image/20201019/df1c2eb09b3189e573942cb954365e1d_9.png" /></p><br  /></p><p><span><strong><span><br  /></span></strong><br  /></span></p><p><span><strong><span></span></strong><br  /></span></p><p><span><strong><span></span></strong><br  /></span></p><p><br  /></p>