The use of glass doors of fresh-keeping cabinets is very common, but many people do not understand how the glass doors of fresh-keeping cabinets work. The working principle and function of the glass door of the fresh-keeping cabinet are similar to other refrigerators, but the design is more in line with actual needs.
In fact, there is a refrigeration compressor inside the glass door of the fresh-keeping cabinet. When the power is turned on, the air can be cooled and then discharged by the movement of the fan.
However, since refrigeration requires a lot of energy, there are actually cooling devices behind or under the freezer to help maintain the temperature of the system.
And some people will have doubts about why the freezer does not frost, because the temperature inside the freezer is very high, and the normal temperature outside the freezer often has a temperature difference with the temperature inside the freezer. According to common sense, the inside of the freezer should be It will be covered with thick frost. However, not only does the fresh-keeping cabinet have no glass door, but it is also particularly clean and not easy to be contaminated with dust. This is because there is a special defrosting device inside the fresh-keeping cabinet; the glass door used is also specially processed to prevent condensation. Frost.
The so-called defrosting equipment is that some heating coils are arranged on the surface of the fresh-keeping cabinet, and these coils will regularly emit a certain amount of heat to dissolve the frost on the surface. Moreover, this kind of heat is strictly set, and its ability can only melt some frost, and it cannot damage the internal storage.
In other words, even in the heating stage, the items stored in the freezer can maintain a constant temperature.
Moreover, a temperature sensor is installed in the glass door fresh-keeping cabinet. When people set the temperature of the fresh-keeping cabinet, once the system finds that the temperature is about to exceed the set temperature, it will start cooling, and the temperature will not exceed the set temperature. , in order to achieve the purpose of constant temperature, so that the items can be better preserved, so that the items will not be affected by the temperature and deteriorate.