文章摘要
Image Feature Detection of Insulating Effect of Silicone Rubber Insulation Sleeve Covering Bare Wire
Received:June 08, 2023  Revised:June 08, 2023
DOI：10.12136/j.issn.1000-890X.2025.02.0144
Key Words: silicone rubber insulation sleeve；wire；insulating effect；image feature detection；bilateral-Laplace algorithm
Author NameAffiliationE-mail
LI Xueling* Qingyuan?Qingxin?Power?Supply?Bureau?of?Guangdong?Power?Grid?Co.,?Ltd ndndnshh@163.com 
LI Yangyang Qingyuan?Qingxin?Power?Supply?Bureau?of?Guangdong?Power?Grid?Co.,?Ltd  
CHEN Jiapeng Qingyuan?Qingxin?Power?Supply?Bureau?of?Guangdong?Power?Grid?Co.,?Ltd  
ZHU Chengxiang Qingyuan?Qingxin?Power?Supply?Bureau?of?Guangdong?Power?Grid?Co.,?Ltd  
HUO Junhao Qingyuan?Qingxin?Power?Supply?Bureau?of?Guangdong?Power?Grid?Co.,?Ltd  
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Abstract:
      An image feature detection method for the insulating effect of the silicone rubber insulation sleeve covering bare wire（referred to as silicone rubber insulation sleeve） was proposed.Firstly，the bilateral-Laplace algorithm was used to filter and enhance the image of the silicone rubber insulation sleeve.Secondly，a grayscale travel matrix was established，and the aging characteristics of the silicone rubber insulation sleeve were selected based on correlation coefficients.Then，based on time domain reflection technology，the insulating effect detection of the silicone rubber insulation sleeve was implemented by detecting changes in the propagation characteristics of pulse waves in the wire.The experimental results showed that the method had high image acquisition quality，high aging detection accuracy and good insulating detection effect.
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