Efficient and energy-saving control algorithm for variable frequency air conditioner
A high-efficiency energy-saving, operation control technology, applied in heating and ventilation control systems, space heating and ventilation, household heating, etc., can solve problems such as increased operating costs, low energy efficiency ratio, high energy consumption of air conditioners, etc., to achieve weakened comfort Degree, the effect of improving the energy efficiency ratio
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[0016] The present invention will be further described below in conjunction with accompanying drawing.
[0017] Such as figure 1 As shown, the refrigerant used in this example is R410A, and the present invention is also applicable to other refrigerants controlled according to the pressure and culvert diagram.
[0018] According to the PH diagram (pressure and culvert diagram) of the refrigerant, when the air conditioner is running, when the frequency of the compressor is fixed, it can be considered that the input electric power is constant. By increasing the condensation temperature of the refrigerant and reducing the evaporation temperature of the refrigerant, the internal cooling / cooling between units can be increased. Heating capacity, thereby improving the energy efficiency ratio.
[0019] To increase the cooling capacity per unit time, the indoor unit fan, electronic expansion valve, compressor frequency and outdoor unit fan can be comprehensively controlled. Specific s...
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