Defrosting method of series-parallel connection dual-system air-cooled refrigerator
An air-cooled refrigerator, dual-system technology, applied in refrigeration and liquefaction, defrosting, refrigerators, etc., can solve the problem of high energy consumption and achieve obvious effect of energy saving
Active Publication Date: 2022-01-14
河南新飞制冷器具有限公司
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- Description
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- Application Information
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Problems solved by technology
In addition, the current electric heating equipment uses electric heating tubes, generally with a power of 100W-280W. Since the frequency and time of defrosting are factors that affect the energy consumption of air-cooled refrigerators, the existing air-cooled refrigerators have a low energy consumption during defrosting. high energy consumption
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0045] The invention discloses a defrosting method for a series-parallel dual-system air-cooled refrigerator, which includes a freezing chamber defrosting method and a cold chamber defrosting method.
[0046] The method of defrosting the freezer is:
[0047] Step A1: Use the electronic control device of the air-cooled refrigerator to collect the cumulative running time of the compressor. When the cumulative running time of the compressor reaches TDFTACC, enter step A2;
[0048] Among them, TDFTACC is the preset accumulative operating cycle of the compressor. In the present invention, 4.5 hours ≤ TDFTACC ≤ 15 hours; TDFTACC is set by the designer according to the external heat transfer coefficient (radiation speed) of the specific type of refrigerator, and its value principle Yes: the faster the refrigerator dissipates cooling from the outside (for example, the larger the volume, the larger the heat dissipation area and the larger the length of the door gap, and the faster the ...
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The invention discloses a defrosting method of a series-parallel connection dual-system air-cooled refrigerator. The defrosting method comprises a freezing chamber defrosting method and a refrigerating chamber defrosting method, the conditions of the freezing chamber defrosting method and the refrigerating chamber defrosting method are set, a freezing fan motor is controlled to work for P minutes before freezing chamber defrosting electric heating equipment works, after the freezing chamber defrosting electric heating equipment stops working, an electric control device controls a compressor to continue to stop for N minutes and then starts the compressor, and normal refrigeration work is carried out; and a refrigerating chamber is defrosted according to the conditions, and the energy-saving defrosting method is provided. According to the defrosting method, the defrosting process is finely adjusted, the defrosting energy consumption is further reduced, the defrosting interval can be prolonged, and efficient defrosting control is achieved.
Description
technical field [0001] The invention relates to the technical field of refrigeration, in particular to a defrosting method for a series-parallel dual-system air-cooled refrigerator. Background technique [0002] The defrosting technology inside the air-cooled refrigerator box is to use the fan and air duct system inside the air-cooled refrigerator to blow cold air from the air outlet to the inside of the box to freeze and refrigerate food; with the air circulation, hot air and water vapor are sucked into the return air In the air duct, when passing through the evaporator, it freezes on the surface of the evaporator to form a frost layer, so that the frost inside the box can be removed. [0003] However, the frost layer condensed on the evaporator will affect the refrigeration performance of the air-cooled refrigerator, and even block the circulation of the air, which will cause the temperature of the box to rise, affect the cooling effect, and increase energy consumption. Th...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F25D29/00F25D17/06F25D21/06F25B49/02
CPCF25D29/00F25D17/06F25D21/06F25B49/022Y02B40/00
Inventor 王鸿海
Owner 河南新飞制冷器具有限公司