商用中央空调多联机组DIP拨码开关可靠性研究  

Research on the Reliability of DIP Dial Switch for Commercial Central Air Conditioning Multi Unit

作　　者：李晓芳 

机构地区：[1]格力电器(合肥)有限公司,合肥230000

出　　处：《日用电器》2025年第3期35-41,共7页ELECTRICAL APPLIANCES

摘　　要：拨码开关广泛运用于家电主控电路板。本文结合A公司商用中央空调多联机组在用户端反馈部分机组在使用中出现拨码开关故障导致空调外机不工作,经过失效机理分析与试验验证分析论证后,从拨码开关产品结构、过程辅助治具、金镀层厚度及镀层质量、检验控制及可靠性试验评价等总结并提出相应的有效预防及产品质量提升方案。The dip switch is widely used in the main control circuit board of household appliances.This article combines feedback fromusers of A company’s commercial central air conditioning multi unit that some units have experienced dip switch faults during use,resulting in the air conditioning outdoor unit not working.After failure mechanism analysis and experimental verification analysis,the article summarizes and proposes corresponding effective prevention and product quality improvement plans from the dip switch product structure,process auxiliary fixtures,gold coating thickness and coating quality,inspection control,and reliability test evaluation.

关 键 词：拨码开关 弹片变形 大气腐蚀 金镀层厚度 超声焊接 

分 类 号：TM925.12[电气工程—电力电子与电力传动]