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<section><section powered-by="gulangu"><section><p><img src="image/20201019/efffb5a45b736c6a33c1ebec42cdfa58_1.gif" /></p></section></section><section powered-by="gulangu"><section><section><p>电源部分电气安全质控项目<br /></p></section> <p><img src="image/20201019/dd09585128a483565f4b350acb71b6dc_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p> 医疗设备电源部分电气安全质控项目为电源电压、保护接地阻抗、绝缘阻抗（电源-地）、对地漏电流、外壳漏电流。常规检测项目为设备电源线、设备本身。检测表格如下。<br /></p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/2f532ff87fc7453266da78b89799cf35_3.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>电源部分电气安全质控流程</p></section> <p><img src="image/20201019/dd09585128a483565f4b350acb71b6dc_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>1、测量电气安全质控之前，首先需要对地电阻校零，标准器连接市电，用导联线连接端口“2 WIRE V/Ω/A”到零线接线柱“NULL”。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/e2a6c289d2ccbe130de69295e55b8a00_5.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p> 按一下左边的“Ω”按键，再按一下“F4”，将测试导线电阻归零。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/68f3812a32041cf61198a1382ff4ae3a_6.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>2、将被检设备的电源插头插入标准器上的供电插座，将校准过的测试导线连接到被检设备的外壳可触及金属端。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/95f43cdaf320cb1f11e5dd1dfe8740a9_7.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>3、检测“电源电压”，按一下“V”键，得出电压值。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/c601624d88c315c5d9b2b366d38c1c5a_8.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>4、检测“保护接地阻抗”，按一下“Ω”键，得出阻抗值。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/652267752d2e61d7562f178ffd2a9c4d_9.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>5、检测“绝缘阻抗（电源-地）”，按一下“MΩ”键。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/9f332cab7d3ff4423a04fb7374ba12ff_10.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p> 再按一下“test”键。得出测量结果。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/364e099b2facc62599fc0deaa3b9241b_11.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>6、检测“对地漏电流”，有正常状态和单一故障状态。按下"F1",选择“EARTH”，通过“POLARITY”、“NEUTRAL”选择所需状态下的测量结果。</p><p> 正常状态1：</p><p> “POLARITY”为“Normal”</p><p> “NEUTRAL”为“Closed”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/8129268016f3540b82b291c3fbe937e9_12.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p> 正常状态2（电源反相）：</p><p> “POLARITY”为“Reverse”</p><p> “NEUTRAL”为“Closed”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/ce08864d73086375be8bf1aec392d6bd_13.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>单一故障状态1（断开一根电源线）：</p><p> “POLARITY”为“Normal”</p><p> “NEUTRAL”为“OPEN”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/69dfef20fc36d990cab951fbf0ad7d47_14.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>单一故障状态2（断开一根电源线、电源反相）：</p><p> “POLARITY”为“Reverse”</p><p> “NEUTRAL”为“OPEN”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/63911183d0c71d8fa2ca8dab3d646840_15.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>7、检测“外壳漏电流”，有正常状态和单一故障状态。按下"F2",选择“Enclousure”，通过“POLARITY”、“NEUTRAL”、“EARTH”选择所需状态下的测量结果。</p><p> 正常状态1：</p><p> “POLARITY”为“Normal”</p><p> “NEUTRAL”为“Closed”</p><p> “EARTH”为“Closed”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/46a4a0752b58555c343546c0604d2ab1_16.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>正常状态2（电源反相）：</p><p> “POLARITY”为“Reverse”</p><p> “NEUTRAL”为“Closed”</p><p> “EARTH”为“Closed”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/d3d6a78d9990bd0af3b437c055c6d719_17.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>单一故障状态1（断开一根电源线）：</p><p> “POLARITY”为“Normal”</p><p> “NEUTRAL”为“Open”</p><p> “EARTH”为“Closed”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/45f1a573d5c7d5f2a7ba0fffddefa449_18.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>单一故障状态2（断开一根电源线，电源反相）：</p><p> “POLARITY”为“Reverse”</p><p> “NEUTRAL”为“Open”</p><p> “EARTH”为“Closed”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/5100300412779655bd733942e66a3035_19.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>单一故障状态3（断开一根地线）：</p><p> “POLARITY”为“Normal”</p><p> “NEUTRAL”为“Closed”</p><p> “EARTH”为“Open”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/d718225ae1e930a86934689e0122de38_20.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>单一故障状态4（断开一根地线，电源反相）：</p><p> “POLARITY”为“Reverse”</p><p> “NEUTRAL”为“Closed”</p><p> “EARTH”为“Open”</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/57348a430093c4449e56c20c1ff49b21_21.jpg" /></p></section></section><section 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发表于 2020-10-19 13:36:19