超声设备“死机”故障的应对方法(四)

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                    <section class="" data-source="bj.96weixin.com" style="max-width: 100%; color: rgb(62, 62, 62); line-height: 25.6px; white-space: normal; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><section class="" style="max-width: 100%; box-sizing: border-box; text-align: inherit; border: 1px solid rgb(0, 187, 236); font-size: 1em; font-family: inherit; font-weight: inherit; text-decoration: inherit; color: rgb(51, 51, 51); word-wrap: break-word !important; background-color: rgb(239, 239, 239);"><section class="" style="padding: 16px; max-width: 100%; box-sizing: border-box; font-size: 1em; line-height: 1.4; font-family: inherit; word-wrap: break-word !important;"><section class="" style="max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;"></span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">&nbsp; &nbsp;&nbsp;</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">在正常操作过程中，</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">彩超</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">机器经常无规律的“死机”，有时关机后再重新开机，机器又恢复正常工作。但有时再开机，机器仍旧“死机”。有时出现“死机”故障时，稍等一会，机器又可自行恢复正常。</span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">开始想的比较复杂，</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">怀</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">疑的地方都采取过措施，但都不能排除“死机”故障。后来在随机观察中发现，机器在正常操作过程中，“冻结”图象，进行测量后，再按冻结键，以解除“冻结”图象，但此机器回复不到实时检查状态。</span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">几次实验，都是在图象冻结，进行必要的测量后，不能再进行下一步操作检查，因此怀疑机器冻结键有问题。打开机盖检查，发现机器的冻结键由于频繁的操作使用，使按键磷铜片有裂缝，引起按键开关的弹性改变，在机器正常操作过程中，按下冻结键后，开关闭合，图像冻结，松开按键，其按键开关应马上断开，以便进行其它操作。</span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">但由于此开关磷铜片裂缝，弹性不足，在按键开关外力松开时，其接点不是立即弹开，而是非常缓慢的弹开。这个弹开过程需要的时间，有时短一些，有时长一些，而处于这个时间过程中，操作其它功能键都不好用，出现“死机”故障。</span></p><p style="max-width: 100%; min-height: 1em; white-space: pre-wrap; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="max-width: 100%; font-family: 宋体; box-sizing: border-box !important; word-wrap: break-word !important;">解决的方法：由于开关磷铜片有裂缝，开关弹隆变差，使这个开关不能再使用，又由于这个开关比较特殊，市场上不能买到，所以就从键盘其它位置上找了一个不太常用的开关换过来，从此机器“死机“故障再也没出现过。</span></p><p><span style="max-width: 100%; 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