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Air conditioner control method, device, air conditioner and storage medium

A control method and air conditioner technology, applied in the field of air conditioners, storage media, devices, and air conditioner control methods, can solve problems such as large indoor temperature fluctuations and affect user comfort, so that indoor temperature is not affected, and normal return is guaranteed. oil effect

Active Publication Date: 2022-01-25
NINGBO AUX ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem solved by the present invention is that the existing oil return methods for air conditioners are oil return by reversing, which leads to large fluctuations in indoor temperature and affects the comfort of users

Method used

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  • Air conditioner control method, device, air conditioner and storage medium
  • Air conditioner control method, device, air conditioner and storage medium

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Embodiment Construction

[0033] When the multi-connected system is running in the heating mode, due to the thick suction pipe of the compressor, after the four-way reversing valve is reversed, the flow rate of the refrigerant entering the internal unit decreases, resulting in oil accumulation. Therefore, the air conditioner will automatically enter the oil return mode.

[0034] In order to make the above objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035]In the description of the present invention, it should be understood that the terms "first", "second", and "third" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the indicated The number of technical characteristics. Thus, features defined as "first", "second", and "third" may explic...

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Abstract

The present invention provides an air conditioner control method, device, air conditioner and storage medium, and relates to the technical field of air conditioners. The control method includes: receiving the current outdoor ambient temperature when receiving an instruction to operate in the oil return mode; The current outdoor ambient temperature determines the operating frequency of the compressor and the opening degree of the electronic expansion valve of the indoor unit; and corrects the operating frequency of the compressor according to the obtained high pressure. With regard to the existing technology, the control method of the air conditioner of the present invention can achieve the purpose of oil return by correcting the operating parameters of the compressor and the opening degree of the indoor electronic expansion valve instead of reversing through the four-way reversing valve. It avoids the excessive fluctuation of indoor temperature due to oil return from reversing, thereby affecting the user's comfort.

Description

technical field [0001] The present invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device, an air conditioner and a storage medium. Background technique [0002] In the prior art, when the multi-split air conditioner is in heating operation, the refrigerant is turned into a gas by the high temperature and high pressure of the compressor in the compressor, and the refrigerant is discharged from the compressor, which will take away part of the lubricating oil, and the lubricating oil will be released along with the refrigerant. The circulating flow of the evaporator and condenser is stored in the evaporator and condenser, and the disadvantages are: the air conditioner does not return oil for a long time, and the oil stored in the evaporator or condenser will affect the heating effect of the air conditioner; Lack of lubricating oil over time leads to increased friction of bearings in the compressor and compres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B49/02
CPCF25B49/02F25B2500/16F25B2600/02F25B2600/2513F25B2700/2106
Inventor 余超群刘潘刘合心黄春陈华邓赛峰王猛
Owner NINGBO AUX ELECTRIC
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