CN114234529B

CN114234529B - Refrigerator and control method thereof

Info

Publication number: CN114234529B
Application number: CN202111590026.2A
Authority: CN
Inventors: 赵渊浩; 刘继宗; 原高红
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2023-03-24
Anticipated expiration: 2041-12-23
Also published as: CN114234529A

Abstract

The present application relates to a refrigerator and a control method thereof, the refrigerator including: the refrigerator comprises a refrigerator body, a refrigerating chamber and a freezing chamber, wherein a buffer area is arranged between the refrigerating chamber and the freezing chamber; the temperature compensation device is arranged in the buffer area; the temperature compensation device comprises a compensation cavity, a cold storage buffer air duct and a freezing buffer air duct, wherein the cold storage buffer air duct and the freezing buffer air duct are both communicated with the compensation cavity, the cold storage buffer air duct can be selectively communicated with the cold storage chamber, and the freezing buffer air duct can be selectively communicated with the freezing chamber. A control method of a refrigerator includes: detecting the refrigerating temperature of the refrigerating chamber, and controlling the refrigerating buffer air duct to be selectively communicated with the refrigerating chamber according to the refrigerating temperature; and detecting the freezing temperature of the freezing chamber, and controlling the freezing buffer air duct to be selectively communicated with the freezing chamber according to the freezing temperature. According to the refrigerator and the control method thereof, the temperature of the refrigerating chamber or the freezing chamber can be dynamically adjusted through the temperature compensation device, the temperature fluctuation of the refrigerating chamber and the freezing chamber is avoided from being too large, and the purpose of energy conservation is achieved.

Description

Refrigerator and control method thereof

Technical Field

The application relates to the technical field of refrigerators, in particular to a refrigerator and a control method thereof.

Background

At present, the operation of the compressor of the refrigerator is mainly based on the freezing temperature of the freezing chamber, and the freezing temperature is influenced by the temperature of the refrigerating chamber. In daily life, when the frequency of opening the refrigeration door by a user is higher or the refrigeration chamber leaks cold, the freezing temperature of the freezing chamber can be directly influenced, so that the compressor is frequently started and operated, and the working frequency and the energy consumption of the compressor are increased.

Disclosure of Invention

Based on this, it is necessary to provide a refrigerator and a control method thereof for solving the problem of how to reduce the operating frequency and the power consumption of the compressor.

A refrigerator, comprising:

the refrigerator comprises a refrigerator body, a refrigerating chamber and a freezing chamber, wherein a buffer area is arranged between the refrigerating chamber and the freezing chamber;

the temperature compensation device is arranged in the buffer area; temperature compensation arrangement is including compensating the chamber, cold-stored buffering wind channel and freezing buffering wind channel, cold-stored buffering wind channel reaches freezing buffering wind channel all communicate in the compensating chamber, cold-stored buffering wind channel selectively with the walk-in intercommunication, freezing buffering wind channel selectively with the freezer intercommunication.

According to the refrigerator, the buffer area is additionally arranged between the refrigerating chamber and the freezing chamber, the temperature compensation device is arranged in the buffer area, and under the condition that the refrigerating chamber temperature deviates from the preset value due to frequent opening of the refrigerating door or cold leakage, the refrigerating temperature of the refrigerating chamber or the freezing temperature of the freezing chamber can be dynamically adjusted through the temperature compensation device, so that the temperature balance is prevented from being influenced due to overlarge temperature fluctuation of the refrigerating chamber and the freezing chamber, the working frequency of the compressor is reduced, and the purpose of energy conservation is achieved.

In one embodiment, the temperature compensation device further comprises a plurality of temperature compensation units, a gas passing channel is arranged in the compensation cavity, and each temperature compensation unit is accommodated in the compensation cavity and wound on the periphery of the gas passing channel.

In one embodiment, the freezing point of the temperature compensation unit is less than the freezing point of pure water.

In one embodiment, the air passage channel is W-shaped.

In one embodiment, the air inlet section of the refrigerating buffer air duct is communicated with the first end of the air passing channel and the refrigerating chamber, and the air outlet section of the refrigerating buffer air duct is communicated with the second end of the air passing channel and the refrigerating chamber.

In one embodiment, the temperature compensation device further includes a refrigerating air door and a refrigerating driving member, the refrigerating driving member is disposed at the air outlet section of the refrigerating buffer air duct and used for driving the air flow in the refrigerating buffer air duct to flow, and the refrigerating air door is disposed at the air inlet section of the refrigerating buffer air duct and enables the refrigerating buffer air duct to be selectively communicated with the refrigerating chamber.

In one embodiment, the refrigerating buffer air duct can be selectively communicated with the refrigerating chamber by controlling the opening and closing of the refrigerating air door.

In one embodiment, a first air passing hole and a second air passing hole are formed in the bottom wall of the compensation cavity, an air inlet section of the freezing buffer air duct is communicated with the first air passing hole and the freezing chamber, and an air outlet section of the freezing buffer air duct is communicated with the second air passing hole and the freezing chamber.

In one embodiment, the temperature compensation device further includes a freezing damper and a freezing driving member, the freezing driving member is disposed at the air outlet section of the freezing buffer air duct and used for driving the air flow in the freezing buffer air duct to flow, and the freezing damper is disposed at the air inlet section of the freezing buffer air duct and selectively communicates with the freezing chamber.

In one embodiment, the freezing buffer air duct can be selectively communicated with the refrigerating chamber by controlling the opening and closing of the freezing air door.

In one embodiment, the refrigerating chamber is provided with a refrigerating air duct, the freezing chamber is provided with a freezing air duct, and the freezing air duct is communicated with the refrigerating air duct.

In one embodiment, the refrigerator further includes a first damper and a first driving member, the first driving member is disposed in the freezing air duct and is used for controlling the cooling capacity entering the freezing chamber from the freezing air duct, and the first damper is disposed between the freezing air duct and the refrigerating air duct and is used for controlling the cooling capacity entering the refrigerating air duct from the freezing air duct.

The control method of the refrigerator comprises the following steps:

detecting the refrigerating temperature of the refrigerating chamber, and selectively communicating a refrigerating buffer air duct of a temperature buffer device with the refrigerating chamber according to the refrigerating temperature;

the freezing temperature of the freezing chamber is detected, and the freezing buffer air duct of the temperature buffer device is controlled according to the freezing temperature and can be selectively communicated with the freezing chamber.

The control method of the refrigerator can dynamically adjust the temperature of the refrigerating chamber or the freezing chamber through the temperature compensation device according to the refrigerating temperature or the freezing temperature, avoids overlarge temperature fluctuation of the refrigerating chamber and the freezing chamber, and achieves the purpose of energy conservation.

In one embodiment, the method comprises the following steps:

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature is lower than a second preset temperature, the refrigerating buffer air duct is communicated with the refrigerating chamber, and the freezing buffer air duct is communicated with the freezing chamber;

when the refrigerating temperature reaches a first preset temperature and the freezing temperature is lower than a second preset temperature, the refrigerating buffer air duct is not communicated with the refrigerating chamber and the freezing buffer air duct is communicated with the freezing chamber;

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature reaches a second preset temperature, the refrigerating buffer air duct is communicated with the refrigerating chamber and the freezing buffer air duct is not communicated with the freezing chamber;

when the refrigerating temperature reaches a first preset temperature and the freezing temperature reaches a second preset temperature, the refrigerating buffering air duct is not communicated with the refrigerating chamber, and the freezing buffering air duct is not communicated with the freezing chamber.

In one embodiment, the method further comprises the following steps:

and detecting the refrigerating temperature and the freezing temperature, and controlling the opening and closing of a first air door and a first driving piece of the refrigerator according to the refrigerating temperature and the freezing temperature.

In one embodiment, the method comprises the following steps:

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature is lower than a second preset temperature, opening the first air door and starting the first driving piece;

when the refrigerating temperature reaches a first preset temperature and the freezing temperature is lower than a second preset temperature, closing the first air door and starting the first driving piece;

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature reaches a second preset temperature, opening the first air door and starting the first driving piece;

when the refrigerating temperature reaches a first preset temperature and the freezing temperature reaches a second preset temperature, the first air door is closed and the first driving piece is closed.

Drawings

FIG. 1 is a schematic view of a refrigerator according to an embodiment;

FIG. 2 is a sectional view of a refrigerator in one embodiment;

fig. 3 is an isometric view of a temperature compensating device in the refrigerator of fig. 1;

FIG. 4 is a top view of the temperature compensating device of FIG. 3;

fig. 5 is a schematic diagram illustrating a control method of a refrigerator according to an embodiment.

Reference numerals:

100. a box body; 101. a refrigerating chamber; 102. a freezing chamber; 103. a buffer region; 104. a refrigeration air duct; 105. a freezing air duct; 110. refrigerating the liner; 120. freezing the liner; 130. a first damper; 140. a first driving member; 200. a temperature compensation device; 201. a compensation chamber; 202. a gas passage; 203. a first air passing hole; 204. a second air passing hole; 210. a refrigeration buffer air duct; 211. a first buffer air duct; 212. a second buffer air duct; 213. a refrigeration damper; 214. a refrigerated drive; 220. a refrigeration buffer air duct; 221. a third buffer air duct; 222. a fourth buffer air duct; 223. a freezing damper; 224. a refrigerated drive; 230. a temperature compensation unit; 240. a compensation box; 241. a box body; 242. a cover body.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In this application, unless expressly stated or limited otherwise, the terms "initially", "connected", "secured", and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, the refrigerator in an embodiment includes a box 100 and a temperature compensation device 200, wherein a refrigerating chamber 101 and a freezing chamber 102 are disposed in the box 100, a buffer area 103 is disposed between the refrigerating chamber 101 and the freezing chamber 102, and the temperature compensation device 200 is disposed in the buffer area 103.

With reference to fig. 2 and 3, the temperature compensation device 200 includes a compensation chamber 201, a refrigerating buffer air duct 210 and a freezing buffer air duct 220, the refrigerating buffer air duct 210 and the freezing buffer air duct 220 are both connected to the compensation chamber 201, the refrigerating buffer air duct 210 can be selectively connected to the refrigerating chamber 101, and the freezing buffer air duct 220 can be selectively connected to the freezing chamber 102.

It should be noted that, the operation of the compressor of the refrigerator is mainly determined by the freezing temperature of the freezing chamber 102, which is affected by the temperature of the refrigerating chamber 101. In daily life, when the frequency of opening the refrigeration door is high or the refrigeration chamber 101 leaks cold, the freezing temperature of the freezing chamber 102 is directly influenced, so that the compressor is frequently started and operated, and the working frequency and the energy consumption of the compressor are increased.

Through the arrangement, the buffer area 103 is additionally arranged between the refrigerating chamber 101 and the freezing chamber 102, the temperature compensation device 200 is arranged in the buffer area 103, and under the condition that the temperature of the refrigerating chamber 101 deviates from a preset value due to frequent opening of a refrigerating door or cold leakage, the refrigerating temperature of the refrigerating chamber 101 or the freezing temperature of the freezing chamber 102 can be dynamically adjusted through the temperature compensation device 200, the temperature balance is prevented from being influenced due to overlarge temperature fluctuation of the refrigerating chamber 101 and the freezing chamber 102, the working frequency of the compressor is reduced, and the purpose of energy conservation is achieved.

As shown in fig. 1, the refrigerating compartment 101 is vertically adjacent to and spaced apart from the freezing compartment 102, and the refrigerating compartment 101 is located above the freezing compartment 102. In other embodiments, the refrigerating compartment 101 may also be located below the freezing compartment 102, or the refrigerating compartment 101 may be horizontally spaced adjacent to the freezing compartment 102.

In the embodiment, as shown in fig. 2, a refrigerating chamber 110 and a freezing chamber 120 are provided in the casing 100, the refrigerating chamber 101 is provided in the refrigerating chamber 110, and the freezing chamber 102 is provided in the freezing chamber 120. The refrigerating container 110 is spaced apart from the freezing container 120 in a vertical direction, and the buffer area 103 is provided in a space between the refrigerating container 110 and the freezing container 120.

In the embodiment shown in fig. 3, the temperature compensation device 200 further includes a plurality of temperature compensation units 230, a gas passing channel 202 is disposed in the compensation chamber 201, and each temperature compensation unit 230 is accommodated in the compensation chamber 201 and surrounds the gas passing channel 202.

In this embodiment, the temperature compensation unit 230 has a cold storage function, and the freezing point of the temperature compensation unit 230 is less than that of pure water. Through the arrangement, the temperature compensation unit 230 has the characteristics of sufficient cold storage, fast cooling and slow cold release, and the stored cold quantity and the cold quantity released in the dissolving process are far greater than pure water, so that the airflow passing through the air channel 202 can be fast cooled.

In a specific embodiment, the freezing point of the temperature compensation unit 230 is-18 deg.C-0 deg.C.

In other embodiments, the temperature compensation unit 230 may further have a heat storage function, so as to rapidly increase the temperature of the airflow passing through the air channel 202.

In the present embodiment, as shown in fig. 3, the temperature compensation unit 230 has a rectangular shape, and the temperature compensation unit 230 is fixed to the bottom wall of the compensation chamber 201. In other embodiments, the temperature compensation units 230 may also be detachably disposed in the compensation chamber 201, so as to flexibly adjust the number of the temperature compensation units 230 to meet different refrigeration performance requirements.

In the present embodiment, as shown in fig. 3, the air passage 202 is W-shaped. Through this setting, can effectively prolong the route of gas channel 202, improve the refrigeration effect of the interior air current of gas channel 202 of crossing. In other embodiments, the air passage 202 may also be S-shaped or otherwise shaped.

In the embodiment shown in fig. 3, the temperature compensation device 200 further includes a compensation box 240, the compensation box 240 includes a box 241 and a cover 242, and the cover 242 and the box 241 enclose a compensation chamber 201.

In this embodiment, the air passage 202 is provided in the case 241, and the temperature compensation unit 230 is fixed to the bottom wall of the case 241.

In this embodiment, the case 241 is detachably connected to the cover 242 so as to be easily attached and detached. In other embodiments, the box 241 and the cover 242 may be fixedly connected by welding or riveting.

In the embodiment shown in fig. 3, the air inlet section of the refrigerating buffer air duct 210 communicates with the first end of the air passage 202 and the refrigerating chamber 101, and the air outlet section of the refrigerating buffer air duct 210 communicates with the second end of the air passage 202 and the refrigerating chamber 101.

It should be noted that, as shown in fig. 2, when the refrigerating buffer air duct 210 is communicated with the refrigerating chamber 101, the air flow in the refrigerating chamber 101 passes through the air channel 202 via the air inlet section of the refrigerating buffer air duct 210, and then flows out to the refrigerating chamber 101 via the air outlet section of the refrigerating buffer air duct 210. Since the temperature in the compensation chamber 201 is low due to the temperature compensation unit 230, the airflow in the refrigerating chamber 101 can be rapidly cooled after passing through the air passage 202.

Specifically, as shown in fig. 3 and 4, the refrigerating buffer air duct 210 includes a first buffer air duct 211 and a second buffer air duct 212, a first end of the first buffer air duct 211 is communicated with a first end of the air passing channel 202, and a second end of the first buffer air duct 211 is communicated with the refrigerating chamber 101. A first end of the second buffer air duct 212 is communicated with the first end of the air passing channel 202, and a second end of the second buffer air duct 212 is communicated with the refrigerating chamber 101. The first buffer air duct 211 is an air inlet section of the refrigeration buffer air duct 210, and the second buffer air duct 212 is an air outlet section of the refrigeration buffer air duct 210.

In this embodiment, the first buffer air duct 211 and the second buffer air duct 212 are disposed on the same side of the compensation chamber 201. In other embodiments, the first buffer air duct 211 and the second buffer air duct 212 may be disposed on different sides of the compensation chamber 201.

In the embodiment shown in fig. 3, the temperature compensation device 200 includes a refrigerating damper 213 and a refrigerating driving member 214, the refrigerating driving member 214 is disposed at the air outlet section of the refrigerating buffer air duct 210 and is used for driving the air flow in the refrigerating buffer air duct 210 to flow, and the refrigerating damper 213 is disposed at the air inlet section of the refrigerating buffer air duct 210 and selectively communicates the refrigerating buffer air duct 210 with the refrigerating chamber 101.

In this embodiment, the refrigerating buffer duct 210 can be selectively communicated with the refrigerating chamber 101 by controlling the opening and closing of the refrigerating damper 213.

For example, as shown in fig. 3 and 4, when the refrigerating damper 213 is opened, the refrigerating buffer duct 210 communicates with the refrigerating compartment 101; when the refrigerating damper 213 is closed, the refrigerating buffer duct 210 is not communicated with the refrigerating chamber 101. The opening and closing of the refrigerating damper 213 can be controlled to control the flow rate of the air flowing between the refrigerating buffer duct 210 and the refrigerating chamber 101.

In a specific embodiment, the refrigeration drive 214 is an axial fan and the refrigeration damper 213 is an electrically operated damper.

As shown in fig. 3, in the embodiment, the bottom wall of the compensation chamber 201 is provided with a first air passing hole 203 and a second air passing hole 204, the air inlet section of the freezing buffer air duct 220 is communicated with the first air passing hole 203 and the freezing chamber 102, and the air outlet section of the freezing buffer air duct 220 is communicated with the second air passing hole 204 and the freezing chamber 102.

It should be noted that, as shown in fig. 3 and fig. 2, when the freezing buffer air duct 220 is communicated with the freezing chamber 102, the air flow in the freezing chamber 102 passes through the air inlet section of the freezing buffer air duct 220, passes through the air passage 202, and then flows out to the refrigerating chamber 101 through the air outlet section of the freezing buffer air duct 220. Since the temperature in the compensation chamber 201 is low due to the temperature compensation unit 230, the airflow in the refrigerating chamber 101 can be rapidly cooled after passing through the air passage 202.

Specifically, as shown in fig. 3, the freezing buffer air duct 220 includes a third buffer air duct 221 and a fourth buffer air duct 222, a first end of the third buffer air duct 221 is communicated with the first air passing hole 203, and a second end of the third buffer air duct 221 is communicated with the freezing chamber 102. A first end of the fourth buffer air duct 222 is communicated with the second air passing hole 204, and a second end of the fourth buffer air duct 222 is communicated with the freezing chamber 102. The third buffer air duct 221 is an air inlet section of the freezing buffer air duct 220, and the fourth buffer air duct 222 is an air outlet section of the freezing buffer air duct 220.

In this embodiment, the third buffer air duct 221 and the fourth buffer air duct 222 are disposed on the same side of the compensation chamber 201. In other embodiments, the third buffer air channel 221 and the fourth buffer air channel 222 may be disposed on different sides of the compensation chamber 201.

In the present embodiment, as shown in fig. 3 and 4, the first air passing hole 203 and the second air passing hole 204 are disposed near two ends of the air passing channel 202, so that the path strength between the first air passing hole 203 and the second air passing hole 204 is extended, which is beneficial to improving the cooling effect of the air flow passing through the freezing buffer air duct 220.

In the embodiment shown in fig. 3, the temperature compensation device 200 includes a freezing damper 223 and a freezing driving member 224, the freezing driving member 224 is disposed at the air outlet section of the freezing buffer air duct 220 and is used for driving the air flow in the freezing buffer air duct 220 to flow, and the freezing damper 223 is disposed at the air inlet section of the freezing buffer air duct 220 and selectively connects the freezing buffer air duct 220 with the freezing chamber 102.

In this embodiment, the freezing buffer duct 220 can be selectively communicated with the freezing chamber 102 by controlling the opening and closing of the freezing damper 223.

For example, as shown in fig. 3 and 2, when the freezing damper 223 is opened, the freezing buffer duct 220 communicates with the freezing chamber 102; when the freezing damper 223 is closed, the freezing buffer duct 220 is not communicated with the freezing chamber 102. The flow rate of the air flowing between the freezing buffer air duct 220 and the freezing chamber 102 can be controlled by controlling the opening and closing of the freezing damper 223.

In a specific embodiment, the freezing drive 224 is an axial fan and the freezing damper 223 is an electrically operated damper.

In the embodiment shown in fig. 2, the refrigerating chamber 101 has a refrigerating duct 104, the freezing chamber 102 has a freezing duct 105, and the freezing duct 105 communicates with the refrigerating duct 104.

In this embodiment, as shown in fig. 2, the freezing air duct 105 is connected to an evaporator, the evaporator generates cold energy, the cold energy is blown out into the freezing chamber 102 through the freezing air duct 105 to refrigerate the freezing chamber 102, and the cold energy in the freezing air duct 105 is blown out into the refrigerating chamber 101 through the refrigerating air duct 104 to refrigerate the refrigerating chamber 101.

In the embodiment shown in fig. 2, the refrigerator further includes a first damper 130 and a first driving member 140, the first driving member 140 is disposed in the freezing air duct 105 and is used for controlling the cooling capacity entering the freezing chamber 102 from the freezing air duct 105, and the first damper 130 is disposed between the freezing air duct 105 and the refrigerating air duct 104 and is used for controlling the cooling capacity entering the refrigerating air duct 104 from the freezing air duct 105.

In a specific embodiment, the first driver 140 is a centrifugal fan and the first damper 130 is an electrically operated damper.

Referring to fig. 5, an embodiment of a method for controlling a refrigerator includes the following steps:

s1, detecting the refrigerating temperature of a refrigerating chamber 101, and selectively communicating a refrigerating buffer air duct 210 of a temperature buffer device with the refrigerating chamber 101 according to the refrigerating temperature;

s2, detecting the freezing temperature of the freezing chamber 102, and controlling the freezing buffer air duct 220 of the temperature buffer device to be selectively communicated with the freezing chamber 102 according to the freezing temperature.

Through the steps, the temperature of the refrigerating chamber 101 or the freezing chamber 102 can be dynamically adjusted through the temperature compensation device 200 according to the refrigerating temperature or the freezing temperature, the temperature fluctuation of the refrigerating chamber 101 and the freezing chamber 102 is avoided from being too large, and the purpose of energy conservation is achieved.

In a specific embodiment, the detection of the refrigerating temperature of refrigerating compartment 101 in step S1 and the detection of the freezing temperature of freezing compartment 102 in step S2 may be performed simultaneously or sequentially.

As shown in fig. 5, 3 and 2, steps S1 and S2 are specifically:

when the refrigerating temperature is lower than the first preset temperature and the freezing temperature is lower than the second preset temperature, the refrigerating buffer air duct 210 is communicated with the refrigerating chamber 101, and the freezing buffer air duct 220 is communicated with the freezing chamber 102; at this time, the refrigerator is in a normal cooling state.

When the refrigerating temperature reaches the first preset temperature and the freezing temperature is lower than the second preset temperature, the refrigerating buffer air duct 210 is not communicated with the refrigerating chamber 101, and the freezing buffer air duct 220 is communicated with the freezing chamber 102; at this time, the freezing chamber 102 is refrigerated, the refrigerating chamber 101 is sealed and kept warm, and the temperature compensating device 200 communicates with the freezing chamber 102 to refrigerate a part of the freezing chamber 102.

When the refrigerating temperature is lower than the first preset temperature and the freezing temperature reaches a second preset temperature, the refrigerating buffer air duct 210 is communicated with the refrigerating chamber 101, and the freezing buffer air duct 220 is not communicated with the freezing chamber 102; at this time, the freezing chamber 102 is sealed and kept warm, and the temperature compensating device 200 is communicated with the refrigerating chamber 101 to refrigerate as a part of the refrigerating chamber 101.

When the refrigerating temperature reaches the first preset temperature and the freezing temperature reaches the second preset temperature, the refrigerating buffer air duct 210 is not communicated with the refrigerating chamber 101, and the freezing buffer air duct 220 is not communicated with the freezing chamber 102. At this time, the refrigerator is in a heat-retaining state.

In the embodiment shown in fig. 2, the method for controlling a refrigerator further includes:

the refrigerating temperature and the freezing temperature are detected, and the opening and closing of the first damper 130 and the first driving member 140 of the refrigerator are controlled according to the refrigerating temperature and the freezing temperature.

When the refrigerating temperature is lower than the first preset temperature and the freezing temperature is lower than the second preset temperature, the first damper 130 is opened and the first driving member 140 is started; at this time, the refrigerating damper 213 is opened to communicate the refrigerating buffer duct 210 with the refrigerating chamber 101, and the freezing damper 223 is opened to communicate the freezing buffer duct 220 with the freezing chamber 102.

When the refrigerating temperature reaches the first preset temperature and the freezing temperature is lower than the second preset temperature, the first damper 130 is closed and the first driving member 140 is started; at this time, the refrigerating damper 213 is closed to make the refrigerating buffer duct 210 not communicate with the refrigerating chamber 101, and the freezing damper 223 is opened to make the freezing buffer duct 220 communicate with the freezing chamber 102.

When the refrigerating temperature is lower than the first preset temperature and the freezing temperature reaches the second preset temperature, the first damper 130 is opened and the first driving member 140 is started; at this time, the refrigerating damper 213 is opened to communicate the refrigerating buffer air duct 210 with the refrigerating chamber 101, and the freezing damper 223 is closed to not communicate the freezing buffer air duct 220 with the freezing chamber 102.

When the refrigerating temperature reaches the first preset temperature and the freezing temperature reaches the second preset temperature, the first damper 130 is closed and the first driving member 140 is closed. At this time, the refrigerating damper 213 is closed to make the refrigerating buffer air duct 210 not communicate with the refrigerating chamber 101, and the freezing damper 223 is closed to make the freezing buffer air duct 220 not communicate with the freezing chamber 102.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A refrigerator, characterized by comprising:

the refrigerator comprises a box body (100) which is internally provided with a refrigerating chamber (101) and a freezing chamber (102), wherein a buffer area (103) is arranged between the refrigerating chamber (101) and the freezing chamber (102);

the temperature compensation device (200) is arranged in the buffer area (103) and has a cold accumulation function; the temperature compensation device (200) comprises a compensation cavity (201), a refrigeration buffer air duct (210) and a freezing buffer air duct (220), wherein the refrigeration buffer air duct (210) and the freezing buffer air duct (220) are communicated with the compensation cavity (201), and the refrigeration buffer air duct (210) can be selectively communicated with the refrigeration cavity (101) and the freezing buffer air duct (220) can be selectively communicated with the freezing cavity (102) by detecting the refrigeration temperature of the refrigeration cavity (101) and the freezing temperature of the freezing cavity (102);

when the refrigerating temperature of the refrigerating chamber (101) is lower than a first preset temperature, the refrigerating buffer air duct (210) is communicated with the refrigerating chamber (101); when the freezing temperature is lower than a second preset temperature, the freezing buffer air duct (220) is communicated with the freezing chamber (102).

2. The refrigerator according to claim 1, wherein the temperature compensation device (200) further comprises a plurality of temperature compensation units (230), an air passage (202) is disposed in the compensation chamber (201), and each temperature compensation unit (230) is accommodated in the compensation chamber (201) and surrounds the air passage (202).

3. The refrigerator of claim 2, wherein the freezing point of the temperature compensation unit (230) is less than that of pure water.

4. The refrigerator according to claim 2, wherein the air passage channel (202) is W-shaped.

5. The refrigerator as claimed in claim 2, wherein the air inlet section of the refrigerating buffer air duct (210) communicates with the first end of the air passage channel (202) and the refrigerating chamber (101), and the air outlet section of the refrigerating buffer air duct (210) communicates with the second end of the air passage channel (202) and the refrigerating chamber (101).

6. The refrigerator as claimed in claim 5, wherein the temperature compensation device (200) further comprises a refrigerating damper (213) and a refrigerating driving member (214), the refrigerating driving member (214) is disposed at the air outlet section of the refrigerating buffer air duct (210) and is used for driving the air flow in the refrigerating buffer air duct (210) to flow, the refrigerating damper (213) is disposed at the air inlet section of the refrigerating buffer air duct (210) and enables the refrigerating buffer air duct (210) to selectively communicate with the refrigerating chamber (101).

7. The refrigerator as claimed in claim 6, wherein the refrigerating buffer air duct (210) is selectively communicated with the refrigerating chamber (101) by controlling the opening and closing of the refrigerating damper (213).

8. The refrigerator as claimed in claim 2, wherein the bottom wall of the compensation chamber (201) is provided with a first air passing hole (203) and a second air passing hole (204), the air inlet section of the freezing buffer air duct (220) is communicated with the first air passing hole (203) and the freezing chamber (102), and the air outlet section of the freezing buffer air duct (220) is communicated with the second air passing hole (204) and the freezing chamber (102).

9. The refrigerator according to claim 8, wherein the temperature compensation device (200) further comprises a freezing damper (223) and a freezing driving member (224), the freezing driving member (224) is disposed at the air outlet section of the freezing buffer air duct (220) and is used for driving the air flow in the freezing buffer air duct (220) to flow, the freezing damper (223) is disposed at the air inlet section of the freezing buffer air duct (220) and enables the freezing buffer air duct (220) to selectively communicate with the freezing chamber (102).

10. The refrigerator as claimed in claim 9, wherein the freezing buffer duct (220) is selectively communicated with the refrigerating chamber (101) by controlling the opening and closing of the freezing damper (223).

11. The refrigerator according to claim 1, wherein the refrigerating chamber (101) has a refrigerating air duct (104), the freezing chamber (102) has a freezing air duct (105), and the freezing air duct (105) communicates with the refrigerating air duct (104).

12. The refrigerator of claim 11, further comprising a first damper (130) and a first driving member (140), wherein the first driving member (140) is disposed in the freezing air duct (105) and is configured to control cooling energy entering the freezing chamber (102) from the freezing air duct (105), and the first damper (130) is disposed between the freezing air duct (105) and the refrigerating air duct (104) and is configured to control cooling energy entering the refrigerating air duct (104) from the freezing air duct (105).

13. A control method of a refrigerator according to any one of claims 1 to 12, comprising:

detecting the refrigerating temperature of a refrigerating chamber (101), and selectively communicating a refrigerating buffer air duct (210) of a temperature buffer device with the refrigerating chamber (101) according to the refrigerating temperature;

the freezing temperature of the freezing chamber (102) is detected, and a freezing buffer air duct (220) of the temperature buffer device is controlled according to the freezing temperature to be selectively communicated with the freezing chamber (102).

14. The method of controlling a refrigerator according to claim 13, comprising:

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature is lower than a second preset temperature, the refrigerating buffer air duct (210) is communicated with the refrigerating chamber (101), and the freezing buffer air duct (220) is communicated with the freezing chamber (102);

when the refrigerating temperature reaches a first preset temperature and the freezing temperature is lower than a second preset temperature, the refrigerating buffer air duct (210) is not communicated with the refrigerating chamber (101), and the freezing buffer air duct (220) is communicated with the freezing chamber (102);

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature reaches a second preset temperature, the refrigerating buffer air duct (210) is communicated with the refrigerating chamber (101), and the freezing buffer air duct (220) is not communicated with the freezing chamber (102);

when the refrigerating temperature reaches a first preset temperature, and the freezing temperature reaches a second preset temperature, the refrigerating buffer air duct (210) is not communicated with the refrigerating chamber (101), and the freezing buffer air duct (220) is not communicated with the freezing chamber (102).

15. The method of controlling a refrigerator according to claim 13, further comprising:

and detecting the refrigerating temperature and the freezing temperature, and controlling the opening and closing of a first air door (130) and a first driving piece (140) of the refrigerator according to the refrigerating temperature and the freezing temperature.

16. The method of controlling a refrigerator according to claim 15, comprising:

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature is lower than a second preset temperature, the first air door (130) is opened and the first driving piece (140) is started;

when the refrigerating temperature reaches a first preset temperature and the freezing temperature is lower than a second preset temperature, closing the first air door (130) and starting the first driving piece (140);

when the refrigerating temperature is lower than a first preset temperature and the freezing temperature reaches a second preset temperature, opening the first air door (130) and closing the first driving part (140);

when the refrigerating temperature reaches a first preset temperature and the freezing temperature reaches a second preset temperature, the first air door (130) is closed and the first driving part (140) is closed.