Fluorine-deficient protection method for air conditioner, air conditioner, and readable storage medium

Abstract

The invention discloses a fluorine-deficient protection method for an air conditioner. The method comprises the following steps of obtaining an initial inner ring temperature and an initial inner tubetemperature and calculating an initial temperature difference, wherein the initial temperature difference is a difference value between the initial inner ring temperature and the initial inner tube temperature; judging whether the initial inner ring temperature is in a preset inner ring temperature range and the initial temperature difference is less than or equal to a first preset difference value; if so, detecting an inner ring temperature and an inner tube temperature in real time and calculating a real-time temperature difference, wherein the real-time temperature difference is a difference value between the inner ring temperature and the inner tube temperature both detected in real time; and controlling a compressor to stop when a difference value between the real-time temperature difference and the initial temperature difference is less than or equal to a second preset difference value, and when the duration generated when a difference value between the inner tube temperature detected in real time and the initial inner tube temperature is less than or equal to a third preset difference value reaches a first preset time length. The invention also discloses the air conditionerand a readable storage medium. The temperature difference parameters are judged for a plurality of times to ensure that false protection of the air conditioner under the condition of no fluorine deficiency or a little fluorine deficiency amount can not be caused, and the occurrence of false protection is reduced.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to a fluorine deficiency protection method for an air conditioner, an air conditioner and a readable storage medium. Background technique [0002] At present, the refrigerants of air conditioners are mainly fluorine-containing compounds, which are easy to evaporate and liquefy. They absorb heat when evaporating and release heat when liquefied. Air conditioners use this characteristic to transfer energy to achieve cooling and heating. In some cases, the air conditioner will be short of fluorine. The lack of fluorine in the air conditioner not only has poor cooling and heating effects, but also causes the compressor to overheat. In the prior art, the fluorine deficiency protection method of the air conditioner includes a core judgment Parameters, such as power, current, exhaust temperature, etc., but in practical applications, due to the parameter setting deviation of the flu...

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Problems solved by technology

[0002] At present, the refrigerants of air conditioners are mainly fluorine-containing compounds, which are easy to evaporate and liquefy. They absorb heat during evaporation and release heat when liquefied. Air conditioners use this characteristic to transfer energy to achieve cooling and heating. In some cases, the air conditioner will be short of fluorine. The lack of fluorine in the air conditioner not only has poor cooling and heating effects, but also causes the compressor to overheat. In the prior art, the fluorine deficiency protection method of the air conditioner includes a core judgment Parameters, such as power, current, exhaust temperature, etc., but in practical applications, due to parameter setting deviations in the fluorine-deficiency protection method, the air conditioner often performs fluorine-deficiency protection without fluorine deficiency, and there are false protections for the air conditioner The situation affects the normal use of the user

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