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中国医疗器械杂志 2020, Vol. 44 Issue (4) :371-373    DOI: 10.3969/j.issn.1671-7104.2020.04.020
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医科达Versa HD容积调强加速器高压电路故障检修
赵永军,陈晓
云南省癌症中心;云南省肿瘤医院(昆明医科大学第三附属医院)放疗中心,昆明市,650118
Versa HD Volume-modulated Accelerator High Voltage Circuit Fault Maintenance
ZHAO Yongjun, CHEN Xiao
Yunnan Cancer Center, Radiotherapy Center, Yunnan Cancer Hospital (the Third Affiliated Hospital of
Kunming Medical University), Kunming, 650118

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摘要 介绍了一种快速检修Versa HD容积调强加速器高压电路故障的方法:关键点检测法。找出5个关键点:① 进入维修模式检查AFC是否偏离;② 在维修端子板上检测磁控管波形MI和PFN波形PFN V;③ 检测闸流 管波形;④ 检查闸流管供电电压;⑤ HT PSU 600V直流检测600 V是否正常。并检测其波形或电压,能 快速缩小故障范围、找出故障原因,较快排除故障。
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关键词高压电路   故障检修   检修要点     
Abstract: This paper introduces a fast repair methods of Versa HD volume-modulated accelerator's high voltage circuit fault: the key points test method. To identify five key points: ①Enter maintenance mode to check for AFC deviation; ② The magnetron waveform MI and PFN waveform PFN V are detected on the maintenance terminal board; ③ Detect thyratron waveform; ④ Check the supply voltage of thyratron; ⑤ HT PSU 600 V DC test 600 V normal or not. The waveform or voltage is also measured to efficiently narrow the fault range to find out the cause of the fault, quick ly remove the fault.
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Received 2019-09-12;
Corresponding Authors: 陈晓     Email: cqxlxh@sina.com
About author: 赵永军,E-mail: zhyj6978@126.com
引用本文:   
赵永军,陈晓.医科达Versa HD容积调强加速器高压电路故障检修[J]  中国医疗器械杂志, 2020,V44(4): 371-373
ZHAO Yongjun, CHEN Xiao.Versa HD Volume-modulated Accelerator High Voltage Circuit Fault Maintenance[J]  Chinese Journal of Medical Instrumentation, 2020,V44(4): 371-373
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