基于错位散斑干涉的复合绝缘子缺陷检测方法
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摘要
提出一种基于错位散斑干涉的复合绝缘子内部缺陷检测方法,用于剔除生产中的不合格绝缘子以及诊断运行中复合绝缘子的隐蔽缺陷。该方法通过测量内部缺陷引起的表面异常形变来诊断复合绝缘子的缺陷及其严重程度,相比其他无损检测技术具有速度快、精度高、非接触、全场成像等特点。检测在芯棒、护套以及交界面区域设置了人工缺陷的绝缘子样品,通过得到的干涉条纹图和相位分布图快速、直观地检测到了缺陷信息。通过人工缺陷检测试验证实了错位散斑干涉方法应用于复合绝缘子内部缺陷检测的可行性。
In order to eliminate defective insulators during production and support for fault diagnosis of onsite insulators,a detection method for composite insulators based on shearing speckle interferometry was presented. This method determines the defect and how much it weaken the composite insulator by measuring the surface deformation anomaly induced by the defect. Comparing with other nondestructive testing methods,the shearing speckle interferometry method has the advantages of quick testing, high accuracy, noncontact measurement and full-field imaging. The samples with artificial defects in the core, sheath and interface were detected to yield fringe patterns and phase maps, and the defects can be thus identified quickly and intuitively. The feasibility of shearing speckle interferometry method for detecting defects in composite insulators was verified by experiments.
In order to eliminate defective insulators during production and support for fault diagnosis of onsite insulators,a detection method for composite insulators based on shearing speckle interferometry was presented. This method determines the defect and how much it weaken the composite insulator by measuring the surface deformation anomaly induced by the defect. Comparing with other nondestructive testing methods,the shearing speckle interferometry method has the advantages of quick testing, high accuracy, noncontact measurement and full-field imaging. The samples with artificial defects in the core, sheath and interface were detected to yield fringe patterns and phase maps, and the defects can be thus identified quickly and intuitively. The feasibility of shearing speckle interferometry method for detecting defects in composite insulators was verified by experiments.
引文
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[13]王黎明,李昂,成立,等.基于微波反射法的复合绝缘子无损检测方法[J].高电压技术,2015,41(2):584-591.Wang Liming,Li Ang,Cheng Li,et al.Microwave-based non-destructive testing method on composite insulators[J].High Voltage Engineering,2015,41(2):584-591(in Chinese).
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[16]李家伟.无损检测手册[M].2版.北京:机械工业出版社,2011:6-11.Li Jiawei.Manual of nondestructive testing[M].Beijing:China Machine Press,2011:6-11(in Chinese).
[17]Huang Y.Shearography:a novel and practical approach for nondestructive inspection[J].Journal of Nondestructive Evaluation,1989,8(2):55-67.
[18]Ruzek R,Lohonka R,Jironc J.Ultrasonic C-scan and shearography NDT techniques evaluation of impact defects identification[J].NDT&E International,2006,39(2):132-142.
[19]全国航空轮胎标准化分技术委员会.GB/T 22039-2008航空轮胎激光数字无损检测方法[S].北京:中国标准出版社,2008.National Aircraft Tire Standardization Technical Committee.GB/T 22039-2008 The laser digital nondestructive inspection method for aircraft tires[S].Beijing:Standards Press of China,2008(in Chinese).
[20]ASTM International.ASTM E2581-14 Standard practice for shearography of polymer matrix composites and sandwich core materials in aerospace applications[S].West Conshohocken:ASTM International,2014.
[21]Angelis G,Dati E,Bernabei M,et al.Development on aerospace composite structures investigation using thermography and shearography in comparison to traditional NDT methods[C]//2015 IEEE Metrology for Aerospace,Benevento,Italy,2015:49-55.
[22]Huang Y,Ho H.Shearography:an optical measurement technique and applications[J].Materials Science and Engineering R,2005,49(3):61-87.
[2]梁曦东,高岩峰,王家福,等.中国硅橡胶复合绝缘子快速发展历程[J].高电压技术,2016,42(9):2888-2896.Liang Xidong,Gao Yanfeng,Wang Jiafu,et al.Rapid development of silicone rubber composite insulator in China[J].High Voltage Engineering,2016,42(9):2888-2896(in Chinese).
[3]张福增,宋磊,李锐海,等.复合绝缘子断裂原因分析及缺陷评价方法[J].高电压技术,2012,38(11):3093-3100.Zhang Fuzeng,Song Lei,Li Ruihai,et al.Evaluation method of defect and fracture reason for composite insulator[J].High Voltage Engineering,2012,38(11):3093-3100(in Chinese).
[4]冉学彬,鲁兹,成立,等.500kV复合绝缘子脆断事故研究与劣化机理分析[J].高压电器,2013,49(9):35-43.Ran Xuebin,Lutz B,Cheng Li,et al.Fracture fault analysis and aging mechanism study for 500 k Vcomposite insulator[J].High Voltage Apparatus,2013,49(9):35-43(in Chinese).
[5]高英.合成绝缘子内绝缘缺陷无损检测方法研究[D].北京:清华大学,1995.Gao Ying.Research of the non-destructive testing methods for the internal insulation faults in composite insulators[D].Beijing:Tsinghua University,1995(in Chinese).
[6]李成榕,程养春,陈宇,等.电场测量法在线检测合成绝缘子内绝缘缺陷的研究[J].高电压技术,1999,25(1):39-41.Li Chengrong,Cheng Yangchun,Chen Yu,et al.On-line detection of internal defects of composite insulator by electric field mapping[J].High Voltage Engineering,1999,25(1):39-41(in Chinese).
[7]王祖林,黄涛,刘艳,等.合成绝缘子故障的红外热像在线检测[J].电网技术,2003,27(2):17-20.Wang Zulin,Huang Tao,Liu Yan,et al.On-line inspection of defective composite insulators by infrared temperature measurement[J].Power System Technology,2003,27(2):17-20(in Chinese).
[8]粟福珩,贾逸梅,王青霞,等.陡波试验寻找合成绝缘子内部缺陷有效性的检验[J].电网技术,2003,27(1):41-43.Su Fuheng,Jia Yimei,Wang Qingxia,et al.Verification on effectiveness of steep-front wave impulse voltage test to find internal defects inside composite insulators[J].Power System Technology,2003,27(1):41-43(in Chinese).
[9]陈原,刘燕生,沈健,等.复合绝缘子隐蔽性缺陷检测方法[J].电网技术,2006,30(12):58-63.Chen Yuan,Liu Yansheng,Shen Jian,et al.Inner-defect detection method for composite insulators[J].Power System Technology,2006,30(12):58-63(in Chinese).
[10]闫文斌,王达达,李卫国,等.X射线对复合绝缘子内部缺陷的透照检测和诊断[J].高压电器,2012,48(10):58-66.Yan Wenbin,Wang Dada,Li Weiguo,et al.Application of X-ray technology in composite insulators defect diagnosis[J].High Voltage Apparatus,2012,48(10):58-66(in Chinese).
[11]谢从珍,何子兰,凌永兴,等.相控阵超声波检测复合绝缘子内部缺陷[J].中国电机工程学报,2012,32(S):63-68.Xie Congzhen,He Zilan,Ling Yongxing,et al.Using ultrasonic phased array to inspect the internal defects of composite insulators[J].Proceedings of the CSEE,2012,32(S):63-68(in Chinese).
[12]Volat C,Jabbari M,Farzaneh M,et al.New method for in live-line detection of small defects in composite insulator based on electro-optic E-field sensor[J].IEEETrans.on Dielectrics and Electrical Insulation,2013,20(1):194-201.
[13]王黎明,李昂,成立,等.基于微波反射法的复合绝缘子无损检测方法[J].高电压技术,2015,41(2):584-591.Wang Liming,Li Ang,Cheng Li,et al.Microwave-based non-destructive testing method on composite insulators[J].High Voltage Engineering,2015,41(2):584-591(in Chinese).
[14]Deng H,He Z,Chen L,et al.Ultrasonic guided wave-based detection of composite insulator debonding[J].IEEE Trans.on Dielectrics and Electrical Insulation,2017,24(6):3586-3593.
[15]Cheng L,Wang L,Mei H,et al.Research of non-destructive methods to test defects hidden within composite insulators based on THz time-domain spectroscopy technology[J].IEEE Trans.on Dielectrics and Electrical Insulation,2016,23(4):2126-2133.
[16]李家伟.无损检测手册[M].2版.北京:机械工业出版社,2011:6-11.Li Jiawei.Manual of nondestructive testing[M].Beijing:China Machine Press,2011:6-11(in Chinese).
[17]Huang Y.Shearography:a novel and practical approach for nondestructive inspection[J].Journal of Nondestructive Evaluation,1989,8(2):55-67.
[18]Ruzek R,Lohonka R,Jironc J.Ultrasonic C-scan and shearography NDT techniques evaluation of impact defects identification[J].NDT&E International,2006,39(2):132-142.
[19]全国航空轮胎标准化分技术委员会.GB/T 22039-2008航空轮胎激光数字无损检测方法[S].北京:中国标准出版社,2008.National Aircraft Tire Standardization Technical Committee.GB/T 22039-2008 The laser digital nondestructive inspection method for aircraft tires[S].Beijing:Standards Press of China,2008(in Chinese).
[20]ASTM International.ASTM E2581-14 Standard practice for shearography of polymer matrix composites and sandwich core materials in aerospace applications[S].West Conshohocken:ASTM International,2014.
[21]Angelis G,Dati E,Bernabei M,et al.Development on aerospace composite structures investigation using thermography and shearography in comparison to traditional NDT methods[C]//2015 IEEE Metrology for Aerospace,Benevento,Italy,2015:49-55.
[22]Huang Y,Ho H.Shearography:an optical measurement technique and applications[J].Materials Science and Engineering R,2005,49(3):61-87.