Feasibility of photo-coupler technology for on-line frost detecting - 文章详情页

作者：

Wang, Wei (Wang, Wei.) (学者：王伟) | Zhang, Furong (Zhang, Furong.) | Xiao, Jing (Xiao, Jing.) | Zhao, Yaohua (Zhao, Yaohua.) (学者：赵耀华)

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摘要：

This　study　had　been　carried　out　to　investigate　the　feasibility　of　using　the　photo-coupler　method　for　defrost-control　in　refrigeration　equipments.　The　photo-coupler　sensors　were　setup　on　the　cold　finned　heat　exchangers　in　natural　convection　regimes.　The　experiment　results　indicated　that　the　output　voltages　of　the　photo-coupler　would　change　directly,　with　the　frost　growing　up.　The　relationship　of　the　output　voltage　signal　with　the　frost　thickness　presented　good　characteristics,　such　as　＇on-off＇　and　＇linear＇.　These　characteristics　could　meet　the　requirement　of　defrosting　control　criterion　in　air-conditioning　or　refrigeration　facility.

关键词：

Air conditioning Defrosting Refrigeration

作者机构：

[ 1 ] [Wang, Wei]The College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Zhang, Furong]The College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Xiao, Jing]The College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Zhao, Yaohua]The College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China

通讯作者信息：

电子邮件地址：

mrwangwei@bjut.edu.cn

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