飞利浦飞凡彩超故障现象

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                    <p><img src="http://mmbiz.qpic.cn/mmbiz/kFiaamOEjRian1HH0R0eUOoCeBLcQMwLwP8AhIKEgibEZWZ6Aj8JI7ctB2SCxKLuXUNfMEVnjyjE28FWL7b7WmoKQ/0?tp=webp" data-ratio="0.11834319526627218" data-w=""  /><img data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6PWHB1GPaw5MLicicibHSCYUtcQyocoZxHBNibEPgCibOZ1wJNQPdsY5jmVyt4HoIZT54MoJBJbZsgXLAA/0" data-ratio="0.75" data-w="500"  />飞利浦飞凡影像超声诊断系统Envisor C（M2540A）是以飞利浦独特的传统技术为基础，结合了ATL的HDI和Agilent/Hewlett- Packard的SONOS技术。在性能、人体工程学和数据管理方面进行组合，现在在国内的中端彩超市场占一定份额。现故障频繁，以下列举一些故障解决方法！<wbr  /></p><p><br  /></p><p>M2540在结构上主要分为两部分，内部电脑部分（Internal PC），电子箱部分（E-box）。电子箱中主要包括TR板、BPAP板、APIO板、Demod板、Connector Modules和Distoribution板等。</p><p><br  /></p><p>（1）PC：M2540A内部用通用的PC功能来代替以前超声系统中专门的控制功能电路板。PC机前面的电源开关即为系统的电源开关，按下PC的电源关开即可启动M2540A超声系统。内部PC包括以下标准配置：主板、硬盘、图像采集卡、声学处理板、3．5英寸软驱、CD-RW光驱和CPU温度监测器等。PC驱动支持监测ECG的生理模块，模块通过USB线和PC主板相连。其中的MOD驱动允许在可移动磁盘上获取图像，做研究和打报告。</p><p><br  /></p><p><wbr  /><wbr  /></p><p>（2）TR板：M2540A含有两个发射接收板TR（Transmit and receive），每个TR板有两个连接装置，一个插到主板上，另一个通过主板插到分配板（Distribution board），这两个TR板负责发射和接收超声信号。每个TR板拥有64个发射器和64个接收通道。它充许系统的64个激发通道多路传输到128个单元阵列。每个接收通道都含有时间增益放大器（TGC），低通滤波器，10进制数模（A/D）转换器，和八分之一数字波束形成电路。</p><p><br  /></p><p>TR板将它的32个通道上18进制值的和传送到输出总线上，另一个TR板将最终的RF数据和传送到调制电路板上。超声发射和接收的线路通过BPAP板来协调。BPAP板产生时间触发信号来开始和结束每条工作线路，并将发射信号送到TR板，通过分配板和模块连接器最后到转换器。模拟驱动器产生要发送的RF数据。数字调时器延迟每个模拟驱动器的时间，它从BPAP板上为每个通道接收适当的延迟值，而系统电源则控制发射波形的放大倍数。<wbr  /><wbr  />接收的超声信号经过前置放大，时间增益放大，低通滤波，然后数字化处理。</p><p><br  /></p><p><wbr  /><wbr  /></p><p>（3）BPAP板：BPAP板（Beam processor/acoustic processor）含有两个处理器。一个控制波束形成，另一个负责扫描转换/彩色血流和多普勒信号的处理。BPAP板为PC和TR，PC和调制板之间的通讯提供接口，将PC的控制数据处理成特定值传送到TR板上，探测超声转换器的连接状况，并允许在四个转换器之间任意激活转换。BPAP板还可控制系统电源的高压输出。<wbr  /><wbr  /></p><p><br  /></p><p>（4）APIO板：APIO板（Acoustic processor I/O）是系统PC和电子箱之间的接口。它通过输入输出面板负责处理脚踏开关三个按钮传送的数据，然后将其送到PC。APIO板还负责为标配打印机产生触发信号。另外APIO板还要负责处理PC传来的一些信号，如生理模块的信号、电源开关信号、BPAP板启动信号以及超声图像显示信号等。<wbr  /><wbr  /></p><p><br  /></p><p>（5）调制板：调制板（Demodulator board）负责处理图像和为Bmode、Mmode、PW、CW以及彩色血流模式作多普勒调制，它传送基准数据流到BPAP板。</p><p><br  /></p><p><wbr  /><wbr  /></p><p>（6）连接器模块：连接器模块（Connector Modules）为转换器提供接口和通讯通道，发射和接收TR板对转换器的触发信号。<wbr  /><wbr  />下面介绍几例故障现象及分析处理：</p><p><br  /></p><p><wbr  /><wbr  /></p><p>（1）故障现象：开机蓝屏，显示“Window/s/system32/config/system is lost”，系统配置文件丢失。M2540采用的是Microsoft公司的Win XP操作平台，该现象为操作系统故障，重装软件后，故障排除。</p><p><br  /></p><p>（2）故障现象：超声探头探测区域呈明暗条纹状或探测区域为白色光斑，有时为一个探头，有时则全部探头皆是。此现象为TR板上的发射接收通道故障，故障现象的区别为通道损坏的程度不同，严重时开机后不能进入操作界面，屏幕提示“The instument detected an internal error and is collecting information to help diagnose the problem”依据故障程度的不同，更换一个或两个TR板，故障排除。</p><p><br  /></p><p><wbr  /><wbr  /></p><p><wbr  />（3）故障现象：开机15分钟左右，屏幕提示“E-Box temperature exceed the normal level”，电子箱温度超过正常水平。首先要检查空气除尘网是否清洁，并且空气除尘网后的风扇是否运行。经检查电源箱的散热风扇没有工作。因在保修期，更换电源，故障排除。</p><p style=""><img src="http://mmbiz.qpic.cn/mmbiz/rz7R73cuHRrv6jdOCoJeZmYwvEAIoHpY0a7yJL2egiaEokLTpwkIsIRTzTFUic09aEThKHS4hrEcSqU0lAS3tu5g/0" data-ratio="0.14784394250513347" data-w="487" width="auto" width="auto" src="http://mmbiz.qpic.cn/mmbiz/rz7R73cuHRrv6jdOCoJeZmYwvEAIoHpY0a7yJL2egiaEokLTpwkIsIRTzTFUic09aEThKHS4hrEcSqU0lAS3tu5g/0?tp=webp" style="word-wrap: break-word !important; 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font-size: 14px; line-height: 24px; orphans: 2; widows: 2; box-sizing: border-box !important;"><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; font-family: 仿宋; font-size: 19px;">群主微信号：</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; font-family: sans-serif; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; max-width: 100%; word-wrap: normal; min-height: 1em; white-space: pre-wrap; background-color: rgb(255, 255, 255); color: rgb(51, 51, 51); font-family: 宋体; font-size: 14px; line-height: 24px; orphans: 2; widows: 2; box-sizing: border-box !important;"><strong style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;"><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; font-size: 20px; color: rgb(255, 0, 0);">    shanying916</span></strong></p><fieldset class="brcolor" style="margin: 0px; padding: 5px; border: 1px solid rgb(0, 187, 236); max-width: 100%; color: rgb(62, 62, 62); white-space: normal; font-family: 微软雅黑; line-height: 24px; font-size: 12px; background-color: rgb(248, 247, 245); word-wrap: break-word !important; box-sizing: border-box !important;"><legend style="padding: 0px; max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(51, 51, 51); margin: 0px 10px; border-width: 0px;"><span class="bkcolor" style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 5px 10px; border: 0px; color: rgb(255, 255, 255); font-weight: bold; font-size: 14px; border-top-left-radius: 5px; border-top-right-radius: 5px; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; background-color: rgb(0, 187, 236);"><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 0px;">复制上面微信号</span><img data-s="300,640" data-ratio="1.35" data-w="20" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6NE8iaIXiblrE1WKyXQz6qbATAS0VZxTKlGupjMMNvicoNs9vhvYGBr83wmsdO1ouTw7kVDibk9w6VoMg/0" class="" id="c6" width="auto" width="auto" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6NE8iaIXiblrE1WKyXQz6qbATAS0VZxTKlGupjMMNvicoNs9vhvYGBr83wmsdO1ouTw7kVDibk9w6VoMg/640?tp=webp" style="margin: 0px; padding: 0px; border: 0px; word-wrap: break-word !important; box-sizing: border-box !important; visibility: visible !important; width: auto !important;"  /><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 0px;">联系我哟</span></span></legend><blockquote style="max-width: 100%; padding: 0px; border: 0px; word-wrap: break-word !important; box-sizing: border-box !important;"><p style="margin-top: 0px; margin-bottom: 0px; max-width: 100%; word-wrap: normal; min-height: 1em; white-space: pre-wrap; padding: 0px; border: 0px; box-sizing: border-box !important;"><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 0px; border: 0px; color: rgb(255, 192, 0); font-size: 14px;"></span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(255, 192, 0); margin: 0px; padding: 0px; border: 0px; font-size: 14px;">? </span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127); margin: 0px; padding: 0px; border: 0px; line-height: 28px;">定期推送</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(255, 192, 0); margin: 0px; padding: 0px; border: 0px; line-height: 28px;">医械资讯</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 0px; border: 0px; line-height: 28px;"><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 0px;"><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127);">，</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(0, 176, 80);">厂家推介</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127); margin: 0px; padding: 0px;">，</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 0px;"><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(112, 48, 160);">维修知识</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127);">，</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(0, 176, 240);">产品知识</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127);">，</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(146, 208, 80);">医疗器械相关</span></span></span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127);">等诸多优质内容，</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127); margin: 0px; padding: 0px;">最接地气</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127);">、</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127); margin: 0px; padding: 0px;">重价值</span><span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; color: rgb(127, 127, 127);">的医疗器械微信平台！关注我们妥妥没错，<span style="max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important; margin: 0px; padding: 0px;">推广合作联系我呦</span>！</span></span></p></blockquote></fieldset><p style=""><img data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6MYAEPWTib8tjxcvx0icbN5kq6PvfS6PHyKaMRwicKyXRpyaPRoHgn3OOr1vBKYm6b9vtYp87hJM8nXw/0" data-ratio="0.7835365853658537" data-w="328" width="auto" width="auto" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6MYAEPWTib8tjxcvx0icbN5kq6PvfS6PHyKaMRwicKyXRpyaPRoHgn3OOr1vBKYm6b9vtYp87hJM8nXw/640?tp=webp" style="word-wrap: break-word !important; 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