中国医学装备
中國醫學裝備
중국의학장비
China Medical Equipment
2015年
11期
37-39,40
,共4页
陆建荣%李咏雪%徐桓%毛岩
陸建榮%李詠雪%徐桓%毛巖
륙건영%리영설%서환%모암
非接入式%管电压测量%精度%调整方法%X射线机
非接入式%管電壓測量%精度%調整方法%X射線機
비접입식%관전압측량%정도%조정방법%X사선궤
Non-invasive measurement%X-ray tube voltage measurement%Accuracy%Correction method%X-ray machine
目的:为保证管电压测量数据的精度,研究探讨管电压测量仪的测试和调整方法,实现非接入式管电压测量仪的测量精度。方法:利用X射线发生装置、高压分压箱、A/D转换盒和计算机组成测试装置,采用直接比较的方法,通过测量和计算得到非接入式管电压测量仪调整的比例因子,并采用计算机程序通过USB接口对管电压测量仪进行调整。结果:通过比较调整前后的测量误差,可以看出调整后的测量误差明显减小。结论:管电压测量仪的测试和调整方法能够满足非接入式管电压测量仪测试的需要。
目的:為保證管電壓測量數據的精度,研究探討管電壓測量儀的測試和調整方法,實現非接入式管電壓測量儀的測量精度。方法:利用X射線髮生裝置、高壓分壓箱、A/D轉換盒和計算機組成測試裝置,採用直接比較的方法,通過測量和計算得到非接入式管電壓測量儀調整的比例因子,併採用計算機程序通過USB接口對管電壓測量儀進行調整。結果:通過比較調整前後的測量誤差,可以看齣調整後的測量誤差明顯減小。結論:管電壓測量儀的測試和調整方法能夠滿足非接入式管電壓測量儀測試的需要。
목적:위보증관전압측량수거적정도,연구탐토관전압측량의적측시화조정방법,실현비접입식관전압측량의적측량정도。방법:이용X사선발생장치、고압분압상、A/D전환합화계산궤조성측시장치,채용직접비교적방법,통과측량화계산득도비접입식관전압측량의조정적비례인자,병채용계산궤정서통과USB접구대관전압측량의진행조정。결과:통과비교조정전후적측량오차,가이간출조정후적측량오차명현감소。결론:관전압측량의적측시화조정방법능구만족비접입식관전압측량의측시적수요。
Objective:Non-invasive X-ray tube voltage measuring instrument is widely used in QC methods. It is necessary to study on the testing method and setting up a device to correct the instrument.Methods: A set of device composed of x-ray generator, high tension divider, A/D converter and a computer is established. The direct comparison method is adopted. The scaling factor is calculated by measuring the indicating value and the standard value .The correction is performed through USB port by using software.Results: It comes true that the measurement errors are reduced after the non-invasive measurement is corrected in according with comparative analysis of the measurement outcome between before and after adjustment.Conclusion: This method can meet the need of non-invasive X-ray tube voltage measuring instrument.