Control method of air conditioner

Abstract

The invention relates to a control method of an air conditioner. The control method of the air conditioner comprises the steps of controlling a compressor to start; judging whether a refrigerating fluid has a primary leakage risk or not; if yes, acquiring current indoor temperature and setting temperature; judging whether a difference value of the current indoor temperature and the setting temperature is smaller than a first preset value or not; and if yes, controlling the compressor to run. According to the air conditioner provided by the embodiment of the invention, aiming at refrigerating fluid leakage, both the use by a user and the protection of the compressor are considered.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner control method. Background technique [0002] In the related art, such as air conditioners using fixed-frequency compressors, there is usually a method for detecting and judging whether there is refrigerant leakage. If refrigerant leakage is judged, the compressor is stopped to ensure the safety of the air conditioner. [0003] Specifically, the temperature sensor is usually only placed on the indoor unit. The temperature sensor detects the temperature of the indoor coil or the ambient temperature to determine whether the refrigerant leaks. Since the actual operating environment of the air conditioner is diverse, especially in some high-humidity areas, the indoor coil will The difference in tube temperature is obvious; in addition, the coil temperature of the split indoor unit is usually distributed at the elbow of the evaporator, and most of the elbow...

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Problems solved by technology

[0003] Specifically, the temperature sensor is usually only placed on the indoor unit. The temperature sensor detects the temperature of the indoor coil or the ambient temperature to determine whether the refrigerant leaks. Since the actual operating environment of the air conditioner is diverse, especially in some high-humidity areas, the indoor coil will The difference in tube temperature is obvious; in addition, the coil temperature of the split indoor unit is usually distributed at the elbow of the evaporator, and most of the elbows of the evaporator are located above or beside the indoor motor. When affected by thermal radiation, the actual detection coil temperature will shift, causing misjudgment

[0004] Therefore, the existing control methods for refrigerant leakage only focus on protecting the compressor, which will easily cause the compressor to stop early when it can operate reliably, affecting the use of users

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