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Refrigerator and method for controlling the same

A control method and refrigerator technology, applied in household refrigerators, refrigerators, refrigeration components, etc., can solve problems such as energy waste

Active Publication Date: 2020-06-02
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in the case of the refrigerator disclosed in the existing literature, since the cooling power of the compressor is determined according to the temperature outside the refrigerator (external load), and the compressor is driven, there is a need to test for each product and The Problem of Determining Optimal Compressor Cooling Power under Conditions
[0007] In addition, the cooling power of the compressor is specified for each specified temperature range, but since the cooling power of the compressor in the corresponding temperature range is set to be slightly larger than the required cooling power, it may happen that the operation exceeds the required cooling power , so there will be an interval of energy waste

Method used

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  • Refrigerator and method for controlling the same
  • Refrigerator and method for controlling the same
  • Refrigerator and method for controlling the same

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Embodiment Construction

[0050] Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. When attaching reference numerals to constituent elements in each drawing, it should be noted that the same constituent elements are assigned the same reference numerals as much as possible even though they are marked on different drawings. In addition, when describing the embodiments of the present invention, when it is judged that the specific description of known structures or functions may affect the understanding of the embodiments of the present invention, the detailed description will be omitted.

[0051] In addition, terms such as first, second, A, B, (a), (b) and the like may be used when describing constituent elements of an embodiment of the present invention. These terms are not used to define the nature, order or sequence of the corresponding constituent elements, but are only used to distinguish the corresponding constituent elements from other co...

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Abstract

A method for controlling a refrigerator includes turning on a compressor to operate with a predetermined cooling power for cooling a storage compartment, turning off the compressor when a temperatureof the storage compartment reaches a temperature equal to or lower than a first reference temperature, and turning on the compressor again when the temperature of the storage compartment reaches a temperature equal to or higher than a second reference temperature higher than the first reference temperature. In the turning on the compressor again, the compressor is operated with a cooling power determined based on an on slope, which is a temperature change slope of the storage compartment during an on time of the compressor, and an off slope, which is a temperature change slope of the storage compartment during an off time of the compressor.

Description

technical field [0001] The present invention relates to a refrigerator and a control method thereof. Background technique [0002] Refrigerators are household appliances used to keep food at low temperatures, and their storage compartments must always be kept at a constant low temperature. [0003] In order to keep the temperature of the storage compartment at a low temperature, the refrigerator uses a cooling cycle. The cooling cycle includes a compressor, a condenser, an expander and an evaporator. By controlling the compressor, the temperature of the storage compartment can be adjusted. [0004] Korean Patent Publication No. 10-1652523, which is a prior document, discloses a refrigerator in which the cooling capacity of a compressor is determined according to the temperature of a space where the refrigerator is installed, that is, the room temperature. [0005] Here, the cooling power refers to input power input to the compressor, and may be defined as a power value re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D29/00
CPCF25D29/00F25B49/022F25B2600/0251F25D17/045F25D2700/12F25B2400/077F25B2500/08F25B2700/151F25B2700/2104F25D17/067F25D2600/06F25B49/02F25B2600/2511F25D11/022
Inventor 郑明镇成基硕徐龙勋南润圣
Owner LG ELECTRONICS INC