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Steam compression type fridge having wind cooling chamber and wind cooling chamber room temperature controlling mehtod

A compression type refrigerator technology, applied in household refrigerators, refrigerators/freezers, coolers, etc., can solve the problems of low refrigeration efficiency, high temperature, and very large difference in refrigeration system load requirements, etc., achieving a small number of refrigeration cycles, The effects of small system load changes and improved reliability

Inactive Publication Date: 2008-01-30
CHANGHONG MEILING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the two evaporators are connected in series, the function of temperature adjustment cannot be realized separately, and the two compartments work synchronously, which will easily cause one of the compartments to be too high or too low
If two evaporators are connected in parallel, when the two evaporators work separately or at the same time, the load requirements on the refrigeration system are very different, and it is difficult for the refrigeration system to meet the performance requirements under different working conditions, and the refrigeration efficiency is low

Method used

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  • Steam compression type fridge having wind cooling chamber and wind cooling chamber room temperature controlling mehtod
  • Steam compression type fridge having wind cooling chamber and wind cooling chamber room temperature controlling mehtod
  • Steam compression type fridge having wind cooling chamber and wind cooling chamber room temperature controlling mehtod

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Referring to Fig. 1, the refrigerator of this embodiment has two air-cooled compartments, including an upper compartment 71 and a lower compartment 72, and the evaporators of the respective compartments are respectively arranged in the two compartments, that is, the upper compartment evaporator 51 and the lower compartment evaporator 51. The chamber evaporator 52 is provided with an upper chamber heat exchanging fan 61 and a lower chamber heat exchanging fan 62 respectively. The refrigerator refrigerant circulation system is composed of a compressor 1, a condenser 2, a filter 3, a capillary tube 4, an upper chamber evaporator 51, and a lower chamber evaporator 52 connected in series. The refrigerator works as follows:

[0024] Mode 1: When both compartments need to be refrigerated. The compressor 1 is put into operation, and the refrigerant flows through the upper chamber evaporator 51 and the lower chamber evaporator 52 in a low-temperature saturated state after throt...

Embodiment 2

[0031] Referring to Fig. 2, the refrigerator has four compartments in total, including, the four compartments have their own evaporators respectively, including the evaporator 51 in the lower right compartment, the evaporator 52 in the lower left compartment, the evaporator 53 in the upper right compartment and the upper left compartment Chamber evaporator 54, wherein the lower right compartment 71 and the lower left compartment 72 are air-cooled compartments, and the heat exchange fan 61 and the heat exchange fan 62 of the lower right compartment, the upper right compartment 73 and the upper left compartment 74 are arranged respectively For directly cooling the room. According to the working status of different compartments, the following four refrigeration cycle modes are formed:

[0032] The first refrigeration cycle is composed of compressor 1, condenser 2, filter 3, solenoid valve A 81, capillary tube A 41, right lower compartment evaporator 51 and left lower compartment ...

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Abstract

The invention relates to a vapor compression refrigerator with an air-cooled chamber and a controlling method of the temperature in the air-cooled chamber, the invention is characterized in that the refrigerator is provided with at least two chambers, wherein, at least one chamber is the air-cooled chamber, an air-cooled chamber evaporator and a heat exchange fan of the air-cooled chamber evaporator are independently and respectively arranged in each air-cooled chamber and the evaporator of each air-cooled chamber is in series connection with at least one evaporator of other chambers. The controlling method is that: a cooling system is put into operation when any one of the air-cooled chambers needs to be cooled and the heat exchange fan that controls the air-cooled chamber stops rotating when any one of the air-cooled chambers needs not to be cooled. The invention can reduce the cooling circulation frequency of a refrigerator with a plurality of chambers to increase the reliability, add the functions of the product and enhance the using performance.

Description

technical field [0001] The invention relates to a refrigerator and a room temperature control method thereof, more specifically to a vapor compression type refrigerator with an air-cooled room and a room temperature control method. Background technique [0002] From the perspective of cooling methods, household refrigerators have three methods: direct cooling, air cooling, and a combination of air cooling and direct cooling. The working state of each compartment is controlled by the compressor on and off, the solenoid valve reversing and the opening and closing of the damper, so that it is in a cooling or non-refrigerating state. With the increase of the volume and complexity of the refrigerator, the number of compartments of the refrigerator is increasing, and there are more and more refrigerators with more than three compartments on the market. This makes the refrigeration and control system of the refrigerator more and more complicated. Too many refrigeration cycles in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D11/02F25D17/06F25D19/00F25D29/00
CPCY02B40/32Y02B40/00
Inventor 魏邦福辛海亚
Owner CHANGHONG MEILING CO LTD
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