My refrigerator starts 2 gears, starts 15 minutes, stops for 15 minutes. I think it is too frequent. It turns into 3 files, and the starting time becomes 40 minutes. The stop time is only 20 minutes. Is this normal? What should I do if I'm not normal?
The principle of refrigeration system operation. It uses the endothermic phenomenon in the change of the state of matter to make the gas liquid cycle and absorb heat and release heat so as to achieve the purpose of refrigeration. The specific process is: compressor power, low pressure and low temperature gaseous refrigerant in the evaporator will have heat suction, after compression, the formation temperature is 55 to 58 DEG C, the pressure is high pressure and high temperature steam 112. 8 PA, enters into the condenser. A sharp reduction in pressure due to throttling of the capillary. Because the pressure in the evaporator is lower than the pressure of the condenser, the liquid refrigerant boils and evaporates at once, and the heat in the box is absorbed into the vapor at low pressure and low temperature. Inhale again by compressor. This cycle keeps the heat from the refrigerator moving outside the box. Because of this, it is not only impossible to cool the room in summer, but it will increase the temperature inside. Through the above analysis, we know that as long as the compressor, the machine body has high pressure, and in power, there must be some time to disappear, this is the reason why the refrigerator can not boot immediately after the shutdown of the.
First of all, to clarify the working principle of refrigerators, the following on the compressed refrigerator introduced.The compact refrigerator is the abbreviation of the motor compression refrigerator. It has three main parts: the cabinet, the refrigeration system and the control system. The most important of these is the refrigeration system.
Intrinsic mechanism of refrigerator. During the operation of the refrigerator, the suction side of the compressor of the refrigeration system moves to the low pressure side, and the pressure is slightly higher than the atmospheric pressure. The discharge pressure of lateral displacement for the high pressure side of the compressor pressure up to 117007 kPa, on both sides of the differential pressure (pressure difference is very big, after the shutdown) on both sides of the system still maintains the pressure difference, if immediately start the compressor piston pressure, the dynamic pressure motor torque can not overcome this pressure difference, the motor can not starting at stall condition, which makes the rotating magnetic field relative to the rotational speed of the rotor speed, rate of change of the magnetic flux increased, resulting in the current surge, the motor winding temperature, if a long time, is likely to burn electric machine. Therefore, require 4~5 minutes after the start of the shutdown.
