冰箱压缩机管结霜是什么原因?

2025-03-16 01:00:43
推荐回答(1个)
回答(1):

原因:冰堵、脏堵、油多,膨胀阀里有一小过滤器,极易积脏物。
方法:
(1)冰箱压缩机发生内堵时,可先拆开管路,用空气压缩机的排气管将高压空气压入压缩机的高压腔,再由高压腔进入低压腔,使积累杂质脱离阀片,即可达到清除的目的,该法在内堵不严重时有效。
(2)冰箱压缩机发生抱轴且确定绕组正常时:
A、将高压管和一个低压管堵住,再由另一个低压管向各压缩机注满冷冻油,然后将管口封死,接着用橡皮锤沿压缩机的外壳用力敲击,直至抱轴微微松动,于是机油便可浸入抱点润滑,此法可重复进行直至故障排除。
B、接上述方法给压缩机加油后,将压缩机放入烤箱内,温度在80℃左右,保持30min即可通电试机。
C、将压缩机启动元件拆开,换入50uF左右的电容,再多次启动压缩机,使压缩机在大电流冲击下,抱轴发生松动。

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