Unlock instant, AI-driven research and patent intelligence for your innovation.

Air conditioner automatic oil return control method and device

A technology of oil return control and air conditioning, which is applied in the direction of refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problem of inaccurate judgment of oil shortage in air conditioning units, and achieve the goal of solving the problem of inaccurate judgment of oil shortage and improving accuracy Effect

Active Publication Date: 2018-08-07
GREE ELECTRIC APPLIANCES INC
View PDF8 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides an air conditioner automatic oil return control method and device to at least solve the problem in the prior art that the method for judging the lack of oil in the air conditioner unit is not accurate enough

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Air conditioner automatic oil return control method and device
  • Air conditioner automatic oil return control method and device
  • Air conditioner automatic oil return control method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] In preferred embodiment 1 of the present invention, a method for controlling automatic oil return of an air conditioner is provided, and the control method can be applied to air conditioners, for example, household air conditioners, shopping malls or workshop air conditioners, ship air conditioners, etc., in addition , this method can also be applied to other equipment with the function of an air conditioning unit. The method can be implemented as a built-in program on the air-conditioning unit or equipment, or by installing an application (APP) or software on the air-conditioning unit or equipment. figure 1 An alternative flowchart showing the method, such as figure 1 As shown, the method includes the following steps S102-S106:

[0024] S102. Obtain the operating parameters of the oil pressure of the compressor, the operating power of the air conditioner, the energy efficiency of the air conditioner, and the discharge temperature of the compressor during the operation...

Embodiment 2

[0036] According to the air conditioner automatic oil return control method provided in the preferred embodiment 1 of the present invention, an air conditioner automatic oil return control device is provided in the preferred embodiment 2 of the present invention. figure 2 shows an optional structural block diagram of the device, such as figure 2 As shown, the device includes:

[0037] The obtaining unit 202 is used to obtain the operating parameters of the oil pressure of the compressor, the operating power of the air conditioner, the energy efficiency of the air conditioner and the exhaust temperature of the compressor during the operation of the air conditioner;

[0038] The judging unit 204 is connected to the acquiring unit 202, and is used for judging whether the air conditioner is in an oil-short running state according to the acquired operating parameters;

[0039] The control unit 206 is connected with the judging unit 204, and is used to control the air conditioner...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an air conditioner automatic oil return control method and device. The air conditioner automatic oil return control method comprises the steps that the oil pressure of a compressor, the running power of an air conditioner, the running energy efficiency of the air conditioner and operating parameters of the exhaust temperature of the compressor during running of the air conditioner are obtained; the situation that whether the air conditioner is in an oil-deficient running state or not is judged according to the obtained operating parameters; and when the situation that the air conditioner is in the oil-deficient running state is judged, and the air conditioner is controlled to enter into an oil return control mode so as to control the air conditioner to conduct oil return. The air conditioner automatic oil return control method and device solve the problem that an oil-deficient judgment mode of an air conditioner unit in the prior art is not accurate enough, andaccuracy of oil-deficient judgment of the air conditioner unit and reliability of unit running are improved.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to an air conditioner automatic oil return control method and device. Background technique [0002] During the long-term operation of the chilled water air-conditioning system, due to the large amount of gas-liquid two-phase fluid circulation in the system and the existence of various valves in the system, the refrigerant and lubricating oil in the system have internal leakage and large pressure drop. At the same time, the unit is in some Operating under special extreme conditions, the exhaust pressure is high, at the same time, there is liquid in the system, and the oil separation efficiency of the system is poor, which leads to the frequent shutdown of the unit due to oil shortage protection, and the quality and life of the compressor are greatly affected. negatively affect reliability. [0003] In the prior art, there are air-conditioning units that can realize the oil ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): F25B49/00
Inventor 罗建飞张威何林卢浩贤曾奕张磊
Owner GREE ELECTRIC APPLIANCES INC
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com