某空调异常啸叫声的声源定位与消除及其频谱特征研究

空调作为现代社会高品质生活的重要标志之一,其噪声越来越受到人们的重视。如何降低空调噪声已经成为各大空调企业及研究机构的研究热点。本文采用传统的覆盖法、近场测试法、噪声探听工具和专业的声学测试软件LMS相结合,对某空调异常啸叫声的声源进行了定位,同时对其产生的机理和频率特征进行了研究,并提出了消除空调管路啸叫声的有效措施。

Source localization and elimination of an air-conditioning abnormal howling and study of its frequency spectrum

With improving of level of people’s living,noise of air-condition,which is one of symbols of high quality life,has attacted more importance.Low noise design of air-condition has become one of the research keystones.In this paper,by combined usuage of the traditional cover method,near-field testing method,noise sniffing tools and professional acoustic testing software LMS,source of abnormal howling is located and production mechanism of an air-conditioning unusual howling is probed and its frequency characteristics is studied.The piping system is improved to successfully eliminate the howling.