Refrigerator Using Linear Compressor and Its Control Method

A refrigerator control method and linear compressor technology, applied to compressors, irreversible cycle compressors, household refrigeration devices, etc., can solve the problems of large noise and linear compressor working noise, and achieve low operating noise and high vibration frequency Falling effect

Active Publication Date: 2018-04-20
HAIER SMART HOME CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the heat load of the refrigerator is large, the linear compressor works loudly, which is determined by the working characteristics of the linear compressor. When the heat load of the refrigerator is large, the temperature of the evaporator in the refrigeration circuit of the linear compressor is high, and the suction and discharge of the linear compressor The air pressure is also high, and the suction and discharge pressure of the linear compressor is directly proportional to the vibration frequency of the linear compressor. Therefore, as the heat load of the refrigerator increases, the vibration frequency of the linear compressor will also increase when it is working, and it is easy to interfere with the refrigerator. The box resonates and produces loud noise

Method used

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  • Refrigerator Using Linear Compressor and Its Control Method
  • Refrigerator Using Linear Compressor and Its Control Method
  • Refrigerator Using Linear Compressor and Its Control Method

Examples

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Effect test

Embodiment 1

[0053] The single-system refrigerator has only one refrigeration circuit, and the refrigerator compartments (refrigerator and freezer) share an evaporator. The air in the refrigerator compartment is forced to pass through the evaporator by a fan, and then returns to the refrigerator compartment after cooling to form a refrigerator compartment. Forced circulation of air.

[0054] see figure 1 , for a single-system air-cooled refrigerator, the present invention discloses a refrigerator control method using a linear compressor, the method comprising:

[0055] Monitor refrigerator evaporator temperature;

[0056] If the current temperature of the refrigerator evaporator is greater than or equal to the preset first temperature threshold, the noise reduction mode is invoked to actively reduce the heat exchange between the evaporator and the refrigerator compartment, and further, in the noise reduction mode, by turning off the refrigerator fan and / or Or the damper of the compartmen...

Embodiment 2

[0078] A multi-system refrigerator has a refrigerating circuit for a refrigerating chamber and a refrigerating circuit for a freezing chamber, and both the refrigerating chamber and the freezing chamber have corresponding evaporators and fans. When the refrigerant goes through the refrigerating circuit, the fan in the refrigerating room is used to force the air in the refrigerating room to pass through the refrigerating evaporator, and then returns to the refrigerating room after cooling to form a forced circulation of cold air in the refrigerating room. Correspondingly, when the refrigerant goes through the refrigerating circuit, the air in the refrigerating room is The freezer fan forces the air in the freezer to pass through the refrigerating evaporator, and then returns to the freezer after being cooled, forming a forced circulation of cold air in the freezer.

[0079] see image 3 , for a multi-system air-cooled refrigerator, the present invention discloses a refrigerator...

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Abstract

The present invention discloses a refrigerator using a linear compressor and a control method thereof. The method includes: monitoring the temperature of the evaporator of the refrigerator; if the current temperature of the evaporator of the refrigerator is greater than or equal to a preset first temperature threshold, calling a noise reduction mode, Actively reduce the amount of heat exchange between the evaporator and the refrigerator compartment until the current temperature of the refrigerator evaporator is less than or equal to the preset second temperature threshold and call the cooling mode to restore the normal heat exchange between the evaporator and the refrigerator compartment, wherein the first A temperature threshold is higher than the second temperature threshold. The present invention closes the damper and / or fan of the evaporator when the heat load is large, so that the heat exchange rate of the evaporator is reduced, the temperature of the evaporator is rapidly reduced, and the suction and discharge pressure of the linear compressor decreases accordingly, and finally the linear compressor The vibration frequency of the whole machine is reduced, it is not easy to resonate with the refrigerator box, and it has the advantage of low operating noise.

Description

technical field [0001] The invention relates to the technical field of refrigerator noise reduction, in particular to a refrigerator using a linear compressor and a control method thereof. Background technique [0002] Linear compressors are more and more used in the refrigerator manufacturing industry due to their advantages of small size, self-lubrication, and high precision. [0003] The refrigerator relies on the linear compressor to work and compress the refrigerant for refrigeration. During this process, the linear compressor will produce working noise, especially when the refrigerator has a large heat load, such as when the refrigerator is powered on or a large amount of refrigerant is placed in the refrigerator chamber. High-temperature items or the door of the refrigerator is left open for a long time, and the working noise of the linear compressor is particularly obvious. [0004] When the heat load of the refrigerator is large, the linear compressor works loudly,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D29/00
CPCF25D29/00F25B2400/073F25B2500/12F25B2700/2117F25D2700/14F25D2700/12F25B2700/2106F25B1/02F25B49/022
Inventor 姬立胜刘建如朱小兵戚斐斐张书锋赵彩云
Owner HAIER SMART HOME CO LTD
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