Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Refrigerator defrosting control method and refrigerator

A control method and refrigerator technology, applied in defrosting, refrigerators, refrigeration components, etc., can solve the problems of high defrosting power consumption, four-way valve can not be reversed, long defrosting time, etc., to achieve high defrosting power consumption Effect

Active Publication Date: 2020-03-31
GREE ELECTRIC APPLIANCES INC
View PDF14 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a refrigerator defrosting control method and a refrigerator using the defrosting control method to solve the problems of low defrosting efficiency, long defrosting time, high defrosting power consumption, The problem of high temperature rise in the freezer during defrosting; the problem that the four-way valve cannot be reversed when the ambient temperature is low when using hot gas defrosting

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
  • Refrigerator defrosting control method and refrigerator
  • Refrigerator defrosting control method and refrigerator
  • Refrigerator defrosting control method and refrigerator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the following specific examples are only used to explain the present invention, but not to limit the present invention.

[0023] figure 1 A refrigerator system showing defrosting with a conventional electric heater. When the refrigerator is cooling, the compressor 1 runs, and the refrigerant is compressed by the compressor and becomes a high-temperature and high-pressure gas. The high-temperature and high-pressure gaseous refrigerant enters the condenser 2, where it releases heat and condenses into a medium-temperature and high-pressure liquid refrigerant, and then passes through the throttling device 3 The low-temperature and low-pressure liquid enters the evaporator 4 through throttling and depressurization. The refrigerant ab...

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 a refrigerator defrosting control method and a refrigerator adopting the defrosting control method. According to the defrosting control method, when the refrigerator enters a defrosting mode, the difference value between condensation pressure and evaporation pressure is judged, and when the difference value is larger than or equal to a preset pressure value, a hot air defrosting mode is adopted; and when the difference value is smaller than the preset pressure value, an electric heating defrosting mode is adopted. The problems that a single electric heater defrosting manner is adopted by a traditional air cooling refrigerator, consequently, the defrosting efficiency is low, and the temperature of a freezing chamber is increased again to be high during defrosting aresolved; and meanwhile, the problems that a single hot air defrosting manner is adopted, consequently, when the environment temperature is low, a four-way valve cannot be started, and consequently hotair defrosting cannot run normally are solved.

Description

technical field [0001] The invention relates to the technical field of refrigeration, in particular to a defrosting control method for a refrigerator and a refrigerator using the defrosting control method. Background technique [0002] The current air-cooled refrigerators all have an automatic defrosting function, and the automatic defrosting method generally uses an electric heater to defrost. The electric heating tube is arranged under the evaporator. When the refrigerator enters the defrosting operation, the compressor stops, and the evaporator is defrosted by heating the air in the return air channel to form natural convection and the heat radiation of the electric heating tube. This defrosting method has many disadvantages such as low efficiency, long defrosting time, high defrosting power consumption, and high freezing chamber temperature rise. [0003] Chinese patent CN2716771Y discloses a kind of refrigerator that uses four-way valve reversing and adopts hot gas to ...

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
Patent Type & Authority Applications(China)
IPC IPC(8): F25D21/08F25B47/02
CPCF25B47/02F25D21/08F25D2321/1413
Inventor 卢起彪邓涵朱文琪孟贺周琳琳陆文怡
Owner GREE ELECTRIC APPLIANCES INC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products