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研制成功空调风机性能测试用全自动试验风室装置 ,被测风机声场环境经消声设计 ,达到GB/T2 888- 91标准要求。计量仪表及测试系统通过国家级计量认证。讨论了风室法测量风机噪声时风室壁面反射对测试结果的影响。
The successful development of air-conditioning fan performance test with automatic test chamber device, the sound field of the tested fan environment by the muffler design to GB / T2 888-91 standard requirements. Meters and test systems through the national measurement certification. The influence of air chamber wall reflectance on the test results when the air chamber method is used to measure fan noise is discussed.