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Temperature adjusting equipment oil return control method, device and system and air conditioner

A technology of temperature adjustment equipment and oil return control, applied in mechanical equipment, refrigeration and liquefaction, lighting and heating equipment, etc., can solve the problem of low oil return efficiency and achieve the effect of improving oil return efficiency

Active Publication Date: 2019-09-27
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to address the technical problem of low oil return efficiency of the traditional oil return method, and provide an oil return control method, device, system and air conditioner for temperature adjustment equipment that can improve oil return efficiency.

Method used

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  • Temperature adjusting equipment oil return control method, device and system and air conditioner
  • Temperature adjusting equipment oil return control method, device and system and air conditioner
  • Temperature adjusting equipment oil return control method, device and system and air conditioner

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Embodiment Construction

[0045] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0046] In one embodiment, such as figure 1 As shown, a method for oil return control of temperature regulating equipment is provided, and the application of the method to the controller is used as an example for illustration, including the following steps:

[0047] Step S110: Obtain temperature information for a preset time period in the future.

[0048] Specifically, considering the change of temperature in a day, the temperature is low at night, the temperature starts to rise in the morning, the temperature rises to the highest at noon or around 14:00 in the afternoon, ...

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Abstract

The invention relates to a temperature adjusting equipment oil return control method, device and system and an air conditioner. Air temperature information within the future preset time period is obtained; when it is determined that the advance oil return condition is met according to the air temperature information within the future preset time period and the preset oil return frequency reduction critical temperature, the oil return duration is determined according to the air temperature information within the future preset time period and a preset compressor oil return duration model; and the oil return timing is determined according to the oil return duration and the air temperature information within the future preset time period, and according to the oil return timing, a compressor of temperature adjusting equipment is controlled to start oil return at the oil return timing. When it is judged that oil return needs to be conducted in advance by combining the air temperature information within the future preset time period with the preset oil return frequency reduction critical temperature, the advance oil return timing is determined according to the air temperature information within the future preset time period and the preset compressor oil return duration model, thus, the compressor completes oil return before the air temperature is raised to the preset oil return frequency reduction critical temperature, it is ensured that the compressor can conduct oil return at the highest frequency, and protective frequency reduction does not occur, and the oil return efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of temperature adjustment equipment control, in particular to an oil return control method, device, system and air conditioner for temperature adjustment equipment. Background technique [0002] The temperature adjustment equipment sets the oil return mode, mainly to bring the lubricating oil in the system pipeline back to the compressor or oil separator through the refrigerant to prevent the compressor from burning out. People are resting or working, and the fluctuation of unit capacity during oil return will also bring discomfort to users. [0003] Most of the traditional temperature adjustment equipment adopts timing oil return control. This oil return procedure is simple and reliable. However, due to the different working environments of the unit and the changeable outdoor working conditions, the oil return in this way is not accurate enough. In addition, it is suitable for high-temperature ref...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/64F24F11/61F24F11/65F25B31/00
CPCF24F11/61F24F11/64F24F11/65F25B31/004
Inventor 申传涛焦华超郭建民张仕强武连发
Owner GREE ELECTRIC APPLIANCES INC
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