Defrost control method, device, air conditioner, and computer-readable storage medium
A control method and air conditioner technology, which is applied in the direction of mechanical equipment, can solve the problems of failing to significantly improve the heat exchange effect of air conditioners, prone to misjudgment, and premature defrosting, so as to reduce the probability of misjudgment of defrosting, The effect of improving accuracy and ensuring heat exchange efficiency
Active Publication Date: 2021-08-24
NINGBO AUX ELECTRIC
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Problems solved by technology
However, this method is prone to misjudgment, resulting in premature defrosting or late defrosting
Not only failed to significantly improve the heat exchange effect of the air conditioner, but also wasted energy consumption
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[0033] At present, when the heating mode of the air conditioner is used in a low-temperature environment, as the heating time increases, frost will appear on the outside of the heat exchanger of the outdoor unit. The occurrence of frosting will affect the heat exchange effect of the air conditioner 1 .
[0034] It can be seen that on the one hand, the occurrence of frosting is related to the heating time, and on the other hand, it will be directly reflected in the heat transfer performance of the heat exchanger. Based on the above characteristics, there are mainly two defrosting timing judging strategies in related technologies: one is judging by the heating duration, that is, the defrosting is started when the heating duration exceeds a specified duration. Another method is to determine whether the air conditioner needs to be defrosted based on the combination of the internal panel temperature of the internal unit - the operating time of the air conditioner - the ambient temp...
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Embodiments of the present invention provide a defrosting control method, device, air conditioner, and computer-readable storage medium, and relate to the technical field of defrosting. Wherein, the above-mentioned defrosting control method includes: obtaining the outdoor ambient temperature, indoor ambient temperature and set temperature, when the outdoor ambient temperature belongs to the preset temperature range and the absolute difference between the indoor ambient temperature and the set temperature does not exceed the preset value, Determine whether to start defrosting according to the compressor frequency of the air conditioner. When the outdoor ambient temperature does not belong to the preset temperature range or the absolute difference between the indoor ambient temperature and the set temperature exceeds a preset value, it is determined whether to start defrosting according to the change of the heating output of the air conditioner. Under different operating conditions, this solution flexibly selects whether the air conditioner needs to be defrosted based on the change of the compressor frequency or the heating output, so as to ensure that the user can accurately identify the defrosting timing while using the air conditioner normally, reducing the risk of defrosting. Frost misjudgment probability.
Description
technical field [0001] The present invention relates to the technical field of defrosting, in particular to a defrosting control method, device, air conditioner and computer-readable storage medium. Background technique [0002] At present, when the heating mode of the air conditioner is used in a low temperature environment, as the heating time increases, frost will appear on the heat exchanger of the outdoor unit. However, when the heating mode of the air conditioner is used in a low temperature environment, frosting is inevitable, and the problem can be solved by simply removing the frosted layer on the heat exchanger. However, frequent defrosting will also affect the normal use of users. [0003] In the related art, whether to perform defrosting is mainly judged by the heating duration. However, this method is prone to misjudgment, resulting in premature defrosting or too late defrosting. Not only did it fail to significantly improve the heat exchange effect of the ai...
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IPC IPC(8): F24F11/42F24F11/64
CPCF24F11/42F24F11/64
Inventor 陈体宁李博涛赵攀侯丽峰
Owner NINGBO AUX ELECTRIC