Defrosting device for evaporator of electric refrigerator

A technology for evaporators and refrigerators, applied in defrosting, household refrigeration equipment, damage protection, etc., can solve the problems of blocked drainage pipe 26, increased cost, and reduced defrosting effect, so as to reduce the number of parts and reduce heat loss , Good defrosting effect

Inactive Publication Date: 2003-08-13
TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above prior art has the following deficiencies: firstly, during the defrosting process, the ice attached to the refrigerant pipeline 12 will not completely melt into water, but will be mixed with some ice cubes, and when the ice water flows into the drain conduit 26, it will As a result, the drain pipe 26 is blocked, leading to the circulation fan 32 to drive the hot air in the mechanical room 20. The flow channel is not smooth, and the defrosting effect is not good.
Reduced defrosting effect
Finally, in the defrosting method of the prior art, the switch 34 and the drive motor 36 of the closed partition 14 need to be configured, which makes the structure complicated and the cost increased

Method used

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  • Defrosting device for evaporator of electric refrigerator
  • Defrosting device for evaporator of electric refrigerator
  • Defrosting device for evaporator of electric refrigerator

Examples

Experimental program
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Embodiment Construction

[0013] Embodiments of the present invention are further described below in conjunction with the accompanying drawings: image 3 , 4 As shown, there is a storage room 4 in the refrigerator casing 2 . The storage room 4 is maintained at a constant temperature by cold air generated in the refrigeration cycle.

[0014] The partition plate 14 and the fence 16 separate the storage room 4 from the evaporator 10, and the evaporator 10 at the rear end of the storage room 4 is bent at a certain interval to form a refrigerant pipeline 12 with a refrigerant flow inside. The upper end of the partition plate 14 has an output port 15a for outputting cold air to the storage chamber 4, and the lower end has an air inlet 15b for returning cold air to the lower end of the evaporator 10.

[0015] The lower side of the refrigerator box 2 is a machine room 20 . Parts such as compressor 22, condenser (not shown in the figure) and frost water basin 24 necessary for refrigerator operation are house...

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PUM

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Abstract

A defroster for evaporator of electric refrigerator is characterized by that the circulating pipe whose entrance and exit are connected to mechanical chamber passes through the heat exchanger with evaporator in it and its entrance has an exhaust fan. Its advantage is use of the heat generated in mechanical chamber to remove frost.

Description

technical field [0001] The invention relates to a refrigerator, in particular to a defrosting device for an evaporator of the refrigerator. Background technique [0002] A refrigerator (hereinafter referred to as a refrigerator) is a freezing machine that provides cold air to a storage room so that the food in the storage room maintains a certain temperature. Refrigerator cold air is produced by the refrigeration cycle. The refrigeration cycle is to compress the gaseous refrigerant by the compressor. The condenser condenses the gaseous refrigerant into a liquid state. The high-pressure liquid refrigerant in the condenser is converted into a low-pressure liquid refrigerant through the capillary tube, and then the relatively low-temperature liquid refrigerant is converted into a low-pressure liquid refrigerant by the evaporator. After absorbing the heat in the storage room of the refrigerator, it becomes a gaseous refrigerant. During the above-mentioned phase change process,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B47/02F25D21/12
Inventor 朴镛硕
Owner TAIZHOU LG ELECTRONICS REFRIGERATOR CO LTD
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