Air conditioner fluorine deficiency protection control method, air conditioner and computer readable storage medium

A technology for protection control and storage media, which is applied in computer-readable storage media, air-conditioning fluorine-deficiency protection control, and air-conditioning fields. It can solve the problems of multi-connected air-conditioning systems that are prone to misjudgment, and achieve the goal of improving accuracy and avoiding misjudgment. Effect

Inactive Publication Date: 2021-11-05
NINGBO AUX ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of this, the present invention aims to propose an air conditioner fluorine deficiency protection control method, an air conditioner, and a computer-readable storage medium, so as to solve the problem in the prior art that multi-connected air conditioning systems are prone to misjudgment during the fluorine deficiency protection process , to improve the accuracy of the air conditioning system in judging the lack of fluorine

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  • Air conditioner fluorine deficiency protection control method, air conditioner and computer readable storage medium

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Embodiment 1

[0023] For the fluorine-deficiency protection control of the multi-connected air-conditioning system, in the prior art, a temperature sensor or a pressure sensor is often used to detect whether there is fluorine deficiency. During the process from the start of the system operation to the stable operation, or when the air conditioner is in high temperature and high humidity working conditions, the air conditioner system is prone to misjudgment, which affects the accuracy of the air conditioner in judging the lack of fluorine.

[0024] In order to solve the problems in the prior art that the multi-connected air-conditioning system is prone to misjudgment during the fluorine-deficiency protection process and the accuracy of the fluorine-deficiency judgment is poor, this embodiment proposes a fluorine-deficiency protection and control method for the air conditioner, as shown in the attached figure 1 As shown, the air-conditioning fluorine deficiency protection control method includ...

Embodiment 2

[0046] In order to further improve the accuracy of the air conditioner in judging the lack of fluorine, and at the same time fully ensure the user's use of the air conditioner, this embodiment makes a further supplementary description of the method in embodiment 1 on the basis of embodiment 1.

[0047] Specifically, in this application, the fluorine deficiency protection control process of the air conditioner includes a fluorine deficiency warning stage and a fluorine deficiency protection stage. For the method in Embodiment 1, after performing step S2, specifically after performing step S23, said step S3 includes:

[0048] S31. The air conditioner judges whether SH≥α×the first preset value and SSH≥α×the second preset value are satisfied at the same time; if yes, proceed to step S32; if not, return to step S2;

[0049] Wherein, the first preset value and the second preset value are consistent with the relevant content in Embodiment 1, and α is a preset dimensionless coefficien...

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Abstract

The invention provides an air conditioner fluorine deficiency protection control method, an air conditioner and a computer readable storage medium. The air conditioner fluorine deficiency protection control method comprises the steps that S1, the air conditioner is started to operate; S2, the air conditioner obtains the exhaust superheat degree SH and the suction superheat degree SSH in real time; S3, the air conditioner judges whether the conditions that the SH is larger than or equal to a value obtained by multiplying beta and a first preset value and the SSH is larger than or equal to a value obtained by multiplying beta and a second preset value are met at the same time or not, if yes, the step S4 is executed, and if not, the air conditioner continues to operate; and S4, the air conditioner detects the outer environment temperature Tw in real time, whether the high-pressure saturation temperature Tc meets the condition that the sum of Tc and K is smaller than or equal to Tw or not is judged, if yes, a compressor is subjected to shutdown protection, and a fluorine-lacking prompting lamp on an air conditioner display lamp panel is turned on for a long time. According to the air conditioner fluorine deficiency protection control method, on one hand, the judgment accuracy of the air conditioner on the fluorine deficiency condition is improved, and the misjudgment condition is avoided; and on the other hand, the effectiveness of the air conditioner fluorine deficiency protection control method is ensured. In addition, the compressor is subjected to shutdown protection after fluorine deficiency is judged, so that damage to parts due to running of the air conditioner in the fluorine deficiency state is avoided, and the running reliability of a unit is improved.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner fluorine deficiency protection control method, an air conditioner, and a computer-readable storage medium. Background technique [0002] Air conditioners are indispensable electrical equipment in people's daily life, and have various structural forms. With the continuous improvement of industrial design level and the application of new technology, new materials, new shapes and new technologies in air conditioners, not only various kinds of air conditioners have been developed, but also the control methods of air conditioners in different environments have also been improved. made corresponding improvements. [0003] Take the fluorine deficiency of multi-connected air-conditioning system as an example. During the long-term operation of multi-connected air-conditioning system, if the system lacks fluorine, the following problems will often exist: [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/32F24F11/52F24F11/64F24F11/65F24F11/86F24F11/88F24F110/10F24F140/12
CPCF24F11/32F24F11/52F24F11/64F24F11/65F24F11/86F24F11/88F24F2110/10F24F2140/12
Inventor 李理科陈华邓赛峰宋磊
Owner NINGBO AUX ELECTRIC
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