Now people have improved their living standards, and the requirements for materials have become higher and higher. In particular, electrical products have increased. Therefore, the frequency of air conditioners in life is now high. Air conditioners have the function of cooling and heating. It can be cooled in summer and can be heated in winter. What are the principles of air conditioning and refrigeration ? What are the reasons for the air conditioning not cooling? The following small series will introduce you to everyone.
First, the analysis of air conditioning refrigeration principle
1. Lithium bromide air conditioning refrigeration principle, unlike compression air conditioners, the working fluid used in absorption refrigeration is usually a binary solution consisting of two substances with different boiling points. Among them, the low boiling point substance is a refrigerant, and the high boiling point substance is an absorbent. Therefore, the binary solution is also referred to as a refrigerant-absorbent working fluid pair. The so-called binary solution refers to a mixture of two substances that do not interact with each other. The various physical properties of such a homogeneous mixture (such as pressure, temperature, concentration, etc.) are completely uniform throughout the mixture and cannot be separated into the original constituents by pure mechanical precipitation or centrifugation.
2. The binary solution is heated and boiled by the heat source in the generator, and the refrigerant vapor is condensed into a refrigerant liquid in the condenser. The liquid refrigerant enters the evaporator after being throttled by the U-shaped tube, and is sprayed under the low pressure condition by the evaporator, and the liquid refrigerant evaporates to absorb the heat of the refrigerant to generate a cooling effect.
3. The concentrated solution flowing out of the generator is cooled by the heat exchanger, depressurized, and then flows into the absorber, and is mixed with the original solution of the absorber to become a concentrated solution of intermediate concentration. The intermediate concentration solution is pumped and sprayed by the absorber pump to absorb the refrigerant vapor coming out of the evaporator into a dilute solution. The dilute solution is pumped by the generator to the generator, and the refrigerant vapor is again generated by the heat source to form a concentrated solution again, and the next cycle is entered.
Second, the air conditioning does not cool the cause
1. It may be because the number of air conditioners does not match the area of ​​the room. When purchasing air conditioners, you should fully consider the factors such as space height, level orientation, sealing performance and resident population, so that you can purchase a satisfactory air conditioner.
2, because the old air conditioning is the use of Freon as a refrigerant, long-term use will volatilize. Therefore, users only need to add a little to the regular air conditioning repair point. In addition, it does not rule out the problem of improper installation and Freon leakage and the machine itself.
3. According to relevant research data, the voltage is not enough or the voltage is unstable, which will cause the air conditioner to be uncooled. In general, the normal starting voltage of the air conditioner is 220V + -10%. In China's power supply system with phase voltage of 220V and line voltage of 380V, almost all compressors above 200V can be started. When it is above 180V, 70-80% can be started. When it is above 160V, only individual can start.
Understanding the principle of air conditioning refrigeration and the reason of not cooling is our common sense of life, because air conditioning has become a must-have product in life. Through the above small series, we introduce the principle of air conditioning refrigeration and the reason of not cooling. If you still want to know more about decoration, then please continue to pay attention to the decoration home Internet cafe.
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