1, uneven placement
If the refrigerator buzzes when it starts or stops, the pot is not put in the refrigerator correctly. When the refrigerator is not normal, the spring inside the compressor is not unbalanced, that is to say, the refrigerator will vibrate with the spring and make a "buzzing" sound when working.
2, pipeline * * * vibration
The noise source of pipeline vibration is the sound produced by the collision between the refrigerator exhaust pipe and the box, which may be caused by the carelessness of the handling personnel during the transportation of the refrigerator.
3. Items are placed on the top of the refrigerator
In order to make effective use of space, we often put some small things on the top of the refrigerator. But if you put too many things, it is easy to cause vibration, and it will make a "buzzing" sound when the compressor is working.
A refrigeration device that keeps a constant low temperature is also a civilian product that keeps food or other items at a constant low temperature. There are compressors, ice makers, cabinets or boxes for refrigeration, and there are storage boxes with refrigeration devices in the boxes. The volume of domestic refrigerators is usually 20 ~ 500 liters.
19 10 the world's first compressed refrigeration household refrigerator came out in the United States. 1925 Lido Company of Sweden has developed a household absorption refrigerator. 1927 the general electric company of the United States has developed a fully enclosed refrigerator. 1930, air-cooled continuous diffusion absorption refrigerators with different heating methods were put on the market.
193 1 year, a new refrigerant freon 12 was successfully developed. Domestic thermoelectric refrigerators began to be produced in the second half of 1950s, and refrigerators began to be produced in China in 1950s.