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Air conditioner, composite defrosting control method and device of air conditioner and storage medium
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A control method and air conditioner technology, applied in heating and ventilation control systems, heating and ventilation safety systems, mechanical equipment, etc., can solve the problem of continuous attenuation of input power, constant suction superheat of 0°C, unclean defrosting, Exhaust temperature drop and other problems, to improve the effect of defrosting and comfort
Active Publication Date: 2021-04-30
GREE ELECTRIC APPLIANCES INC
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However, the existing air-conditioning defrosting methods have certain shortcomings, such as bypass defrosting. In the initial stage, due to the heat storage of the compressor, the defrosting effect is better, but as the heat storage is consumed, the refrigerant continues to gather in the In the liquid storage tank, the input power of the compressor is continuously attenuated, and the suction superheat is always 0°C, so the discharge temperature will continue to drop with the prolongation of the defrosting time, which seriously affects the efficiency of subsequent defrosting. When it is thick, defrosting will not be clean
Another example is the most common reversing defrosting. Although the defrosting effect is good, it will absorb heat from the room during defrosting, so it has the disadvantage of poor comfort.
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Embodiment 1
[0101] The temperature of the outer tube is -10°C, and the exhaust temperature is 65°C.
[0102] Taking the quantization factor introduced in the above embodiment as an example, the calculated fuzzy value of the outer pipe temperature is 3, and the fuzzy value of the exhaust gas temperature is -3. Check Table 1 and Table 2 respectively, the fuzzy language of the outer tube temperature is PS (0.8), PB (0.6), and the rest is 0, which can be understood as PS with a probability of 0.8 / 1.4 and PB with a probability of 0.6 / 1.4. Similarly, look up table 2 and get the exhaust temperature 0.8 / 1.4 probability is NS, 0.6 / 1.4 probability is NB.
[0103] Combined with Table 3:
[0104] When Tg is PS and Tp is NS, and the result is ZO, it can be considered that the fuzzy evaluation result has a probability of 0.8 / 1.4*0.8 / 1.4 as ZO;
[0105]When Tg is PS and Tp is NB, and the result is NS, it can be considered that the fuzzy evaluation result has a probability of 0.8 / 1.4*0.6 / 1.4 as NS;
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Embodiment 2
[0111] The temperature of the outer tube is -10°C, and the exhaust temperature is 85°C.
[0112] As above, the fuzzy value of the outer pipe temperature is 3, and the fuzzy value of the exhaust temperature is 3. Check Table 1 and Table 2 respectively, the outer pipe temperature has a probability of 0.8 / 1.4 as PS, 0.6 / 1.4 probability as PB, and the exhaust temperature is 0.8 The / 1.4 probability is PS, and the 0.6 / 1.4 probability is PB.
[0113] Combined with Table 3,:
[0114] When Tg is PS and Tp is PS, the result is PS, and the probability is 0.8 / 1.4*0.8 / 1.4;
[0115] When Tg is PS and Tp is PB, the result is PB, and the probability is 0.8 / 1.4*0.6 / 1.4;
[0116] When Tg is PB and Tp is PS, the result is PB with a probability of 0.6 / 1.4*0.8 / 1.4;
[0117] When Tg is PB and Tp is PB, the result is PB, and the probability is 0.6 / 1.4*0.6 / 1.4;
[0118] In summary, 16 / 49 is PS and 33 / 49 is PB. x=1*16 / 49+2*33 / 49=1.673. Then the target duration ts=30*(2+1.673)+30=140.2s.
[0119...
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Abstract
The invention provides an air conditioner, a composite defrosting control method and device of the air conditioner and a storage medium. The method comprises the steps that the outdoor environment temperature of the environment where the air conditioner is located and the first detection outer pipe temperature are obtained; whether the air conditioner is defrosted or not is judged based on the outdoor environment temperature and the first detection outer pipe temperature; if yes, the air conditioner is controlled to start bypass defrosting; the second detection outer pipe temperature of the air conditioner and the exhaust temperature of a compressor in the air conditioner are recorded during bypass defrosting; and the air conditioner is controlled to stop bypass defrosting or be switched to reversing defrosting based on the second detection outer pipe temperature and the exhaust temperature. Based on the method, defrosting is carried out by comprehensively utilizing the advantages of bypass defrosting and reversing defrosting, the opportunity of switching to reversing defrosting can be accurately judged, and the defrosting effect and comfort can be effectively improved.
Description
technical field [0001] The present invention relates to the technical field of intelligent home appliances, and more specifically relates to an air conditioner and its compound defrosting control method and device, and a storage medium. Background technique [0002] When the outdoor temperature is low, frost will form on the condenser of the air conditioner and affect the performance of the air conditioner, so defrosting control is often required. However, the existing air-conditioning defrosting methods have certain shortcomings, such as bypass defrosting. In the initial stage, due to the heat storage of the compressor, the defrosting effect is better, but as the heat storage is consumed, the refrigerant continues to gather in the In the liquid storage tank, the input power of the compressor is continuously attenuated, and the suction superheat is always 0°C, so the discharge temperature will continue to drop with the prolongation of the defrosting time, which seriously aff...
Claims
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Application Information
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