Heat exchange system for multi-refrigerating circuit refrigerator and refrigerator-disinfection cabinet all-in-one machine

A technology of heat exchange system and refrigeration circuit, which is applied in the field of heat exchange system, can solve the problems that the refrigerator cannot be independently refrigerated, insufficient utilization of sensible cooling, and large temperature difference between the rear wall of the refrigerator in the refrigerator, etc., so as to facilitate freshness preservation and improve Energy efficiency ratio and the effect of improving heat transfer coefficient

Inactive Publication Date: 2010-10-13
凌建军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problems of insufficient utilization of sensible cooling, large temperature difference in the back wall of the refrigerating chamber, and the inability of the refrigerating chamber to be independently refrigerated, the evaporator of the refrigerating chamber

Method used

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  • Heat exchange system for multi-refrigerating circuit refrigerator and refrigerator-disinfection cabinet all-in-one machine
  • Heat exchange system for multi-refrigerating circuit refrigerator and refrigerator-disinfection cabinet all-in-one machine
  • Heat exchange system for multi-refrigerating circuit refrigerator and refrigerator-disinfection cabinet all-in-one machine

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no. 1 approach

[0034] image 3 It is a schematic diagram of the heat exchange system used in the multi-refrigeration circuit refrigerator and the refrigerator disinfection cabinet integrated machine of the present invention.

[0035] Such as image 3 As shown, the present invention is used in the heat exchange system of multi-refrigeration circuit refrigerator and refrigerator disinfection cabinet integrated machine, including compressor 1, compressor exhaust pipe 2, condenser 3, dry filter 4, first two-position three-way electromagnetic Valve 5, second two-position three-way solenoid valve 501, first capillary tube 6, second capillary tube 7, third capillary tube 8, refrigerating room evaporator 9, variable room evaporator 10, freezing room evaporator 11, variable temperature-freezing connection Pipe 13, air return pipe 14, antifreeze liquid box 15, freezing-refrigerating connecting pipe 16, normally open two-way valve 17, normally closed two-way valve 18, freezing-returning air connecting...

no. 2 approach

[0050] Figure 4 It is a schematic diagram of the second embodiment of the heat exchange system used in the multi-refrigeration circuit refrigerator and refrigerator disinfection cabinet integrated machine of the present invention. The second embodiment is basically the same as the first embodiment, except that the second capillary tube 7 , the variable temperature chamber evaporator 10 , the second two-position three-way solenoid valve 501 and the variable temperature-freezing connecting pipe 13 are removed. At this time, there are only the first refrigeration circuit, the third refrigeration circuit and the fifth refrigeration circuit, a total of three refrigeration circuits.

no. 3 approach

[0052] Figure 5 It is a schematic diagram of the third embodiment of the heat exchange system used in the multi-refrigeration circuit refrigerator and refrigerator disinfection cabinet integrated machine of the present invention. The third embodiment is basically the same as the first embodiment, except that three two-position three-way solenoid valves (the third two-position three-way solenoid valve 502, the fourth two-position three-way solenoid valve 503, the fifth two-position three-way solenoid valve 503, and the fifth two-position three-way solenoid valve) are added. solenoid valve 504) and 3 capillaries (the fourth capillary 601, the fifth capillary 701, the sixth capillary 801); the fourth two-position three-way solenoid valve 503 and the second two-position three-way solenoid valve 501, the first The capillary 6 is connected to the fourth capillary 601; the fifth two-position three-way solenoid valve 504 is connected to the second two-position three-way solenoid valv...

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Abstract

The invention discloses a heat exchange system for a multi-refrigerating circuit refrigerator and a refrigerator-disinfection cabinet all-in-one machine. The heat exchange system has the main characteristics that: an outlet end of a freezing chamber evaporator is connected with an inlet end of a refrigerating chamber evaporator through a freezing-refrigerating connection tube; the refrigerating chamber evaporator is placed in a anti-freezing fluid box; the outlet end of the freezing chamber evaporator is connected with a muffler through a freezing-return-air connection tube; a normally closed two-way valve is arranged on the freezing-return-air connection tube; the refrigerating chamber evaporator and the freezing chamber evaporator can be connected in parallel with two capillary tubes respectively; and a condenser is arranged at a position close to an inner liner of a disinfection cabinet. The heat exchange system can greatly reduce temperature difference change of a rear wall of an inner liner of a refrigerating chamber, can avoid frost formation in the refrigerating chamber evaporator, and can make the temperature in the refrigerating chamber more uniform, which are beneficial for keeping fruits and vegetables fresh; and the system can realize separate refrigeration of the refrigerating chamber, and can select the capillary tubes with greater flow to improve the energy efficiency ratio of a compressor.

Description

Technical field [0001] The invention relates to a heat exchange system for a refrigerator and a refrigerator disinfection cabinet integrated machine, in particular to a heat exchange system for a multi-refrigeration circuit refrigerator and a refrigerator disinfection cabinet integrated machine. Background technique [0002] With the depletion of resources and the increasingly serious environmental pollution, all countries in the world are working hard towards the goal of establishing a conservation-oriented society. Energy conservation and emission reduction are important tasks before each of us. [0003] Refrigerators have entered thousands of households, many shopping malls and many laboratories because of their ability to keep objects fresh at low temperatures, bringing great convenience to human life. Because the refrigerator has to be in working condition for a long time, the refrigerator has become the most power-consuming household appliance in the family. Based on ...

Claims

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Application Information

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IPC IPC(8): F25B5/00F25D21/00F25D23/12F25D29/00A61L2/20A61L2/10A61L2/04A61L101/10
Inventor 凌建军黄鹂
Owner 凌建军
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