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<p><span style="color: rgb(106, 106, 106); font-family: Verdana, Arial; font-size: 14px; line-height: 22px; background-color: rgb(255, 255, 255);"><img src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6PCokZ8OcvLGHEf8RL2jEicvYqMoUqnfXrKw9Wz8RvnmicZ5gzlJNyE8FHfyxic32vEvYCatRxypz3Vg/0" data-ratio="0.25" data-w="400" /></span></p><p><span style="color: rgb(106, 106, 106); font-family: Verdana, Arial; font-size: 14px; line-height: 22px; background-color: rgb(255, 255, 255);"> 在螺旋CT系统中有静止与旋转两大部分。它们的连接靠的是滑环与碳刷的接触。这其中包括:电源供电、控制信号传送和数据的传输。接触不良导致接触电阻增大,导电性能降低因而引起故障:</span></p><p style="word-break: break-all; font-family: Verdana, Arial; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(106, 106, 106); line-height: 25px; text-indent: 2em; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">(1)碳刷周围堆积的碳粉会产生打火引起断层扫描过程中曝光中断,而且此故障与空气的相对湿度有关,相对湿度过大或过小都会使故障增多;</p><p style="word-break: break-all; font-family: Verdana, Arial; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(106, 106, 106); line-height: 25px; text-indent: 2em; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">(2)碳刷周围的碳粉堆积会导致扫描过程中信号传输不稳因而数据丢失,严重时还可能引起机器掉电。<img data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6PCokZ8OcvLGHEf8RL2jEicvnYVF0KDcUzXlQWBOYsoVVia58ZqRhEWTTtVn8x0QZufpY5fHJs6ZwDQ/0" data-ratio="0.7727272727272727" data-w="220" /></p><p style="word-break: break-all; font-family: Verdana, Arial; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(106, 106, 106); line-height: 25px; text-indent: 2em; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">2.碳刷与滑环的维护保养</p><p style="word-break: break-all; font-family: Verdana, Arial; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(106, 106, 106); line-height: 25px; text-indent: 2em; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">碳刷与滑环的接触将直接影响到整个系统的工作稳定性与可靠性。因此应当充分重视滑环与碳粉保养与维护。</p><p style="word-break: break-all; font-family: Verdana, Arial; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(106, 106, 106); line-height: 25px; text-indent: 2em; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">(1)要经常检查碳刷的长度,当碳刷磨损到一定程度,剩余的长度到达极限时,就要及时更换,以保证系统工作的正常。</p><p style="word-break: break-all; font-family: Verdana, Arial; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(106, 106, 106); line-height: 25px; text-indent: 2em; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">(2)要定期清理碳粉;</p><p style="word-break: break-all; font-family: Verdana, Arial; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(106, 106, 106); line-height: 25px; text-indent: 2em; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">(3)机器运行当中为了减少滑环和碳刷的无效磨损,应当尽量减少不扫描病人时的扫描架的旋转。</p><p><img data-s="300,640" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6PCokZ8OcvLGHEf8RL2jEicvia18agw06fD71eAx7bJbKia3jVCsdic7W8w4AQp64z4mm1ywpkvh7ZzUg/0" data-ratio="0.5566600397614314" data-w="" /></p><p class="p0" style="margin-bottom:0pt; margin-top:0pt; "><span style="color: rgb(62, 62, 62); font-size: 15pt; font-family: 宋体; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;">点击“</span><span style="color: rgb(79, 129, 189); font-weight: bold; font-size: 15pt; font-family: 宋体; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;"></span><span style="color: rgb(62, 62, 62); font-size: 15pt; font-family: 宋体; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;">”关注我们,每日分享维修知识、医疗器械资讯信息!</span><span style="color: rgb(62, 62, 62); font-size: 15pt; font-family: 宋体; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;"><o:p></o:p></span></p><p><br /></p>
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