惠康HK.ESWL-VI体外碎石机维修实例（无冲击波输出）

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                    <section><section powered-by="gulangu"><section><p><img src="image/20201019/99667f2ab7069b90d0703e10f74294c9_1.gif" /></p></section></section><section powered-by="gulangu"><section><section><p>故障现象</p></section> <p><img src="image/20201019/0b208b1c9b8188b11b9d2670dda68c55_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; 该设备开机电压加到5、6级别后，无任何冲击波输出，无任何报错。</p></section></section></section><section powered-by="gulangu"><section><section><p>故障分析及处理</p></section> <p><img src="image/20201019/0b208b1c9b8188b11b9d2670dda68c55_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;该设备无任何冲击波输出，首先考虑电容箱的供电系统问题，其供电系统的结构如下：</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/3310d0d5f7c7ca93f39fb2d4232529b8_4.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;经过检查，调压器与变压器有一排限流保险丝，发现第二个保险丝烧毁，更换相同的保险丝后，调节电压级别后，开始碎石后又发现第二个保险丝烧毁，这说明后级存在短路。</p></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;该设备要判断哪个模块短路，可以一级一级断开检测，首先断开电容箱，更换保险丝后，开机试机，保险丝还是烧断；断开高压油箱整流器后，更换保险丝后，开机试机，发现没有烧断保险丝，这确定高压油箱整流器内部存在短路。</p><p>&nbsp; &nbsp; &nbsp; &nbsp; 拆开高压油箱整流器，拿出整个整流模块，如下图：</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/428fd85e8fa10838734f0097e8dc137c_5.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; 仔细观察，发现一个高压整流二极管连接的环氧树脂板有烧黑痕迹，检测该高压整流二极管已击穿，更换之后，故障解决。&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/f395202863528128c4f07f12104026c6_6.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>故障诊断结果</p></section> <p><img src="image/20201019/0b208b1c9b8188b11b9d2670dda68c55_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;该故障是由于高压油箱整流二级管击穿，导致一开机就烧保险丝。</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><section><p>欢</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>迎</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>注</p></section></section></section> </section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><p><img src="image/20201019/c1cb9df8d3567c87c0baf243e6372c71_8.jpg" /></p></section></section> </section><section> <section powered-by="gulangu"><section><section> </section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section> </section></section></section></section>