Precision Measuring Technique for Contact Resistance of Contact Materials
Ren Wanbin1, Wu Jian2, Chen Yu1, Cao Sheng1, Cui Li3, Zhai Guofu1
1. Harbin Institute of Technology Harbin 150001 China; 2. Beijing TIME High Technology Ltd. Beijing 100085 China; 3. G&A Technology Co. Ltd Guilin 541002 China
Abstract：Contact material is very critical for the reliability of electrical engineering and electronic engineering. A new precision measuring system and relevant testing method are presented by introducing intermittent chopping for excited current, conditioning for low noise low drift weak voltage drop signal and averaging filtering algorithm in moving window comprehensively. The error of test facility is determined by using Level 0.01 standard resistors and Level M22 standard weights accurately. The hysteretic characteristics between contact resistance and contact force of AgCdO composite contact material with flat surface are measured with different excited currents. The results showed that the effect of contact force and excited current on contact resistance.
[1] 土屋金弥. 电接点技术[M]. 刘茂林, 译. 北京: 机械工业出版社, 1987. [2] Kogut L. Electrical performance of contaminated rough surfaces in contact[J]. Journal of Applied Physics, 2005, 97(10): 103723-103723.5. [3] Ruschau G R, Yoshikawa S, Newnham R E. Resistivities of conductive composites[J]. Journal of Applied Physics, 1992, 72(3): 953-959. [4] Holm R. Electric contacts theory and applications[M]. Berlin: Springer-Verlag, 1967. [5] Slade Paul G. Electrical contacts principles and applications[J]. New York, USA: Marcel Dekker, Inc., 1999. [6] Jemma N Ben, Queffelec J L, Travers D. Apparatus and methods for electrical contact resistance study of cleaned and corroded materials[J]. Measurement Science Technology, 1990, 1(3): 282-286. [7] 李奎, 李志刚, 陆俭国. 接触电阻新型测量方法的研究[J]. 电气开关, 1997(6): 26-33. Li Kui, Li Zhigang, Lu Jianguo. Research on the new measurement method for contact resistance[J]. Electric Switch, 1997(6):26-33. [8] 刘帼巾, 李文华, 蒋栋. 电器触点接触电阻测量装置的研究[J]. 电测与仪表, 2001, 38(2): 15-16. Liu Guojin, Li Wenhua, Jiang Dong. Study on measurement of the contact resistance of electric apparatus[J]. Electrical Measurement & Instrumentation, 2001, 38(2): 15-16. [9] Isao Minowa, Makoto Kanno. Measurement of contact resistance of electric contacts using SQUID galvanometer[J]. Electrics and Communications in Japan(partⅠ: Communications), 1984, 67(11): 93-103. [10] Aichi H, Tahara N. Analysis on the constriction resistance of the electric contact by the contact model using the electrolyte Bath[C]. Proceedings of the 20th International Conference on Electrical Contacts, 1994: 1. [11] Jerzy Kaczmarek, et al. Constriction resistance measurements based on the method of third harmonic [C]. Proceedings of the 19th Holm Conference on Electrical Contacts, 1973: 155-158. [12] Yunus E M, McBride J W, Spearing S M. The relationship between contact resistance and contact force on Au coated Carbon Nanotube surfaces[C]. Proceedings of the 53rd IEEE Holm Conference on Electrical Contacts, 2007: 167-174. [13] Roland S Timsit. Electrical contact resistance: properties of stationary interfaces[J]. IEEE Transactions on Components and Packaging Technology, 1999, 22(1): 85-98. [14] Terukaka Tamai, Shigeru Sawada, Yasuhiro Hattori. Deformation of crystal morphology in tin plated contact layer caused by loading[J]. IEICE Trans. Electron., 2012, E95-C(9) : 1473-1480. [15] 熊经先. 电触点材料接触电阻的测量方法[J]. 电工材料, 2005(4): 26-28. Xiong Jingxian. A method for testing contact resistance of electrical contact materials[J]. Electrical Engineering Materials, 2005 (4):26-28.
2014, Vol. 29 
