冰箱电动阀噪声改善设计及声品质评价研究  

Research on noise improvement design and sound quality evaluation of refrigerator electric valve

作　　者：丁龙辉 张海鹏 孙敬龙 潘毅广 DING Longhui;ZHANG Haipeng;SUN Jinglong;PAN Yiguang(Hisense Home Appliances Group Co.,Ltd.Qingdao,266000)

机构地区：[1]海信家电集团股份有限公司,山东青岛266000

出　　处：《家电科技》2022年第2期87-91,共5页Journal of Appliance Science & Technology

摘　　要：随着大容积多功能冰箱占比的快速增加,冰箱零部件的各种非稳态噪声改善设计研究,已成为提升冰箱噪声性能的关键技术突破点。通过分析冰箱电动阀的工作原理及安装固定结构,探究电动阀运转工作过程中的非稳态噪声问题。从控制振动噪声的传递路径方面进行研究,针对性提出安装结构优化、固定连接隔振设计、安装结构材料替换、外部吸隔音包裹多种改善设计方案。进一步利用声品质评价技术,对比验证不同方案的声品质性能,得到满足用户声音感受的设计,有效提升冰箱声品质水平。With the rapid increase of the large volume and multifunction refrigerator proportion,the improved design of the components unsteady noise has become a critical technological breakthrough.By analyzing the working principle and installation method of the electric valve,the unsteady noise in the electric valve was investigated.From the perspective of controlling the vibration and noise path,the improved methods were proposed,such as structure optimization,vibration isolation,material replacement and sound-absorbing design.In addition,the sound quality evaluation method was used to evaluate the user subjective feeling of the improved methods in noise improvement.Through evaluations,the optimal design which meets the user’s demand was obtained,meanwhile the refrigerator sound quality level is improved.

关 键 词：冰箱非稳态噪声 电动阀 安装结构 改善设计 声品质评价 

分 类 号：TB53[理学—物理]