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空调制冷装置故障检查时,听压缩机运行的声音是否正常。 式压缩机正常运转时的噪声很小,一般小于40 dB。若压缩机出现异常,检修人员可以根据其发出的声音辨别是何种原因引起的故障。"囁、嚥、嚥”是压缩机 声,这主要发生在开启式压缩机。全封闭式压缩机因为有 ,一般不易发生液体液击。“嗒、嗒、嗒”是压缩机内部金属的撞击声。此为压缩机内部的运动件因松动、碰撞而发出的声响。机组振动强烈是由于机组 引起的。
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