CN218495526U - A kind of refrigerator - Google Patents

Abstract

The utility model provides a refrigerator relates to refrigerator technical field. The utility model discloses well refrigerator includes mutually independent freezing room, alternating temperature room and cold-stored room, and the cold-stored indoor alternating temperature drawer that is provided with of room, refrigerator still include first air supply channel, and it sets up between freezing room and alternating temperature drawer for directly transmit the cold wind in the freezing room to the alternating temperature drawer. According to the technical scheme, the variable-temperature chamber is arranged, and a part of area in the refrigerating chamber is set to be the variable-temperature area, so that the variable-temperature storage space of the refrigerator is increased, the variable-temperature drawer can realize temperature interval switching between refrigeration and freezing, the variable-temperature area is increased under the condition that the variable-temperature chamber with a fixed volume is arranged, the temperature control flexibility of the refrigerator is further improved, and the requirement selectivity of storage and preservation of a user is greatly improved. In addition, the technical scheme utilizes the freezing chamber to directly supply air to the variable-temperature drawer in the refrigerating chamber, thereby reducing air loss.

Description

A kind of refrigerator

Technical Field

The utility model relates to a refrigerator technical field especially relates to a refrigerator.

Background

The side-by-side combination refrigerator generally divides the chamber into a refrigerating chamber and a freezing chamber, the volumes of the refrigerating chamber and the freezing chamber are fixed, and the storage and fresh-keeping functions are not flexible. Along with the improvement of the living standard of the user, the food fresh-keeping type requirements are more diversified, and the compartment is required to have a more flexible temperature interval change function. At present, the refrigerator with the temperature-changing chamber in the market has the advantages of fixed volume of the temperature-changing chamber and smaller use space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a refrigerator solves the less technical problem of usage space of refrigerator alternating temperature compartment among the prior art.

According to the utility model discloses a purpose, the utility model provides a refrigerator, including mutually independent freezing room, alternating temperature room and cold-stored room, the indoor alternating temperature drawer that is provided with in cold-stored room, alternating temperature drawer's refrigeration temperature range set up to with the refrigeration temperature range of alternating temperature room is unanimous, refrigerator still includes:

the first air supply channel is arranged between the freezing chamber and the temperature-changing drawer and used for directly transmitting cold air in the freezing chamber to the temperature-changing drawer.

Optionally, the freezing chamber comprises a freezing inner container, a first air outlet is formed in the side portion, close to the refrigerating chamber, of the freezing inner container, a drawer outer barrel used for placing the variable-temperature drawer is arranged in the refrigerating chamber, a first air inlet is formed in the top of the drawer outer barrel, and two ends of the first air supply channel are respectively connected with the first air outlet and the first air inlet.

Optionally, a second air inlet is arranged at a side portion of the freezing inner container close to the refrigerating compartment, a second air outlet is arranged at a back portion of the drawer outer barrel, and the refrigerator further comprises:

and two ends of the first air return channel are respectively connected with the second air outlet and the second air inlet, are positioned at the side parts of the freezing chamber and the refrigerating chamber, and are used for transmitting the cold air in the variable-temperature drawer to the freezing liner.

Optionally, the top of the freezing inner container is provided with a third air outlet, the temperature-changing chamber comprises a temperature-changing inner container, the bottom of the temperature-changing inner container is provided with a third air inlet, and the refrigerator further comprises:

and the two ends of the second air supply channel are respectively connected with the third air outlet and the third air inlet, are positioned between the freezing chamber and the temperature-changing chamber and are used for transmitting the cold air in the freezing liner into the temperature-changing liner.

Optionally, a fourth air outlet is disposed on a side portion, close to the refrigerating compartment, of the temperature-changing liner, the refrigerating compartment includes a refrigerating liner, a fourth air inlet is disposed on a side portion, close to the temperature-changing compartment, of the refrigerating liner, and the refrigerator further includes:

and the two ends of the third air supply channel are respectively connected with the fourth air outlet and the fourth air inlet, are positioned at the side parts of the variable-temperature chamber and the refrigerating chamber, and are used for transmitting the cold air in the variable-temperature liner into the refrigerating liner.

Optionally, the lateral part of the variable temperature inner container departing from the refrigerating chamber is provided with a fifth air outlet, the lateral part of the freezing inner container departing from the refrigerating chamber is provided with a fifth air inlet, and the refrigerator further comprises:

and two ends of the second air return channel are respectively connected with the fifth air outlet and the fifth air inlet and are used for transmitting the cold air in the variable-temperature liner to the freezing liner.

Optionally, a sixth air outlet is disposed at a side portion, close to the freezing compartment, of the refrigerating liner, and the refrigerator further includes:

and two ends of the third air return channel are respectively connected with the sixth air outlet and the second air inlet, are positioned at the side parts of the freezing chamber and the refrigerating chamber and are used for transmitting cold air in the refrigerating liner into the freezing liner.

Optionally, the second return air channel is provided at a side portion of the freezing compartment and the temperature changing compartment.

Optionally, the freezing compartment is disposed at a position of the refrigerator near the bottom thereof, the temperature-changing compartment is disposed above the freezing compartment, and the refrigerating compartment is disposed at one side of the freezing compartment.

Optionally, the width of the temperature-changing compartment is the same as that of the freezing compartment, the top of the refrigerating compartment is flush with the top of the temperature-changing compartment, and the bottom of the refrigerating compartment is flush with the bottom of the freezing compartment.

The utility model discloses well refrigerator includes that mutually independent freezing room, alternating temperature room and cold-stored room, and the indoor alternating temperature drawer that is provided with between cold-stored room, the refrigeration temperature range of alternating temperature drawer set up to be unanimous with the refrigeration temperature range of alternating temperature room, and the refrigerator still includes first air supply channel, and it sets up between freezing room and alternating temperature drawer for directly transmit the cold wind in the freezing room to the alternating temperature drawer. According to the technical scheme, the temperature-changing chamber is arranged, and a part of the area in the refrigerating chamber is set to be the temperature-changing area, namely the temperature-changing drawer, so that the temperature-changing storage space of the refrigerator is increased. In addition, the technical scheme utilizes the freezing chamber to directly supply air to the variable-temperature drawer in the refrigerating chamber, thereby reducing air loss.

Further, the utility model discloses the top of well freezing inner bag is equipped with the third air outlet, and the alternating temperature room includes the alternating temperature inner bag, and the bottom of alternating temperature inner bag is equipped with the third air inlet, and the refrigerator still includes second air supply channel, and third air outlet and third air inlet are connected respectively to its both ends, and lie in between freezing room and the alternating temperature room for transmit the cold wind in the freezing inner bag to the alternating temperature inner bag. The refrigerator also comprises a third air supply channel, wherein two ends of the third air supply channel are respectively connected with the fourth air outlet and the fourth air inlet, the third air supply channel is positioned at the side parts of the variable temperature chamber and the refrigerating chamber and is used for transmitting cold air in the variable temperature chamber to the refrigerating inner container. According to the technical scheme, the cold air in the freezing inner container of the refrigerator is firstly transmitted to the variable-temperature inner container and then transmitted into the refrigerating inner container, two air paths are not separately arranged outside the refrigerator inner container for the refrigerating chamber and the variable-temperature chamber, the thickness of a foaming layer outside the refrigerator inner container is ensured, the performance of the refrigerator is improved, and the space utilization rate of the refrigerator is also improved.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic front side perspective view of a refrigerator according to one embodiment of the present invention;

fig. 2 is a schematic rear perspective view of a refrigerator according to an embodiment of the present invention;

FIG. 3 is a schematic rear perspective view of a temperature change drawer in the refrigerator of FIG. 2;

fig. 4 is a schematic rear view of a refrigerator according to an embodiment of the present invention;

FIG. 5 is a schematic flow diagram of a first supply air passage and a first return air passage in the refrigerator shown in FIG. 4;

FIG. 6 is a schematic flow diagram of a second supply air duct, a third supply air duct, and a third return air duct in the refrigerator of FIG. 4;

fig. 7 is a schematic flow diagram of a second supply air path and a second return air path in the refrigerator of fig. 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

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, i.e. one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or includes" a or some of the features that it covers, this is to be taken as an indication that other features are not excluded and that other features may further be included, unless expressly stated otherwise.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "coupled," and the like are intended to be inclusive and mean, for example, that a connection may be fixed or removable or integral; 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. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.

Further, in the description of the present embodiments, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact via another feature therebetween. That is, in the description of the present embodiment, the first feature being "on," "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely under the first feature, or simply mean that the first feature is at a lesser elevation than the second feature.

Unless otherwise defined, all terms (including technical and scientific terms) used in the description of the present embodiment have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Fig. 1 is a schematic front side perspective view of a refrigerator 100 according to an embodiment of the present invention, fig. 2 is a schematic rear side perspective view of the refrigerator 100 according to an embodiment of the present invention, and fig. 3 is a schematic rear side perspective view of a temperature-variable drawer 40 in the refrigerator 100 shown in fig. 2. As shown in fig. 1, 2 and 3, in a specific embodiment, the refrigerator 100 includes a freezing compartment 10, a temperature-changing compartment 20 and a refrigerating compartment 30 which are independent from each other, wherein a temperature-changing drawer 40 is disposed in the refrigerating compartment 30, a refrigerating temperature range of the temperature-changing drawer 40 is set to be identical to a refrigerating temperature range of the temperature-changing compartment 20, and the refrigerator 100 further includes a first air supply channel disposed between the freezing compartment 10 and the temperature-changing drawer 40 for directly transmitting cold air in the freezing compartment 10 to the temperature-changing drawer 40.

In the embodiment, not only the variable-temperature chamber 20 is arranged, but also a part of the area in the refrigerating chamber 30 is set as a variable-temperature area, so that the variable-temperature storage space of the refrigerator 100 is increased, the variable-temperature drawer 40 can realize the temperature interval switching between the refrigerating and freezing, and the variable-temperature area is increased under the condition that the variable-temperature chamber 20 with a fixed volume is available, so that the temperature control flexibility of the refrigerator is further improved, and the requirement selectivity of storage and freshness preservation of a user is greatly improved. In addition, the technical proposal utilizes the freezing chamber 10 to directly supply air to the temperature-changing drawer 40 in the refrigerating chamber 30, thereby reducing air volume loss.

In this embodiment, the refrigerator 100 is a double door refrigerator 100. The freezing compartment 10 is disposed near the bottom of the refrigerator 100, the variable temperature compartment 20 is disposed above the freezing compartment 10, and the refrigerating compartment 30 is disposed at one side of the freezing compartment 10. The refrigerating compartment 30 is disposed on the right side, and the freezing compartment 10 and the temperature varying compartment 20 are disposed on the left side, as viewed from the front of the refrigerator 100. A temperature change drawer 40 is provided in the refrigeration compartment 30 near the middle thereof.

Specifically, the width of the temperature-changing compartment 20 is the same as the width of the freezing compartment 10, the top of the refrigerating compartment 30 is flush with the top of the temperature-changing compartment 20, and the bottom of the refrigerating compartment 30 is flush with the bottom of the freezing compartment 10.

In other embodiments, the relative positions of the freezing compartment 10, the refrigerating compartment 30 and the temperature-changing compartment 20 can be set according to specific design requirements. For example, the refrigerating compartment 30 may be disposed on the left side of the refrigerator 100, and the freezing compartment 10 and the temperature varying compartment 20 may be disposed on the right side.

In this embodiment, the heights of the freezing compartment 10 and the refrigerating compartment 30 are set to be the same. In other embodiments, the heights of the freezing chamber 10 and the temperature-changing chamber 20 can be set according to specific design requirements, and can be set according to storage space requirements. For example, the height of the freezing compartment 10 may be set to be greater than the height of the temperature-changing compartment 20, or the height of the freezing compartment 10 may be set to be less than the height of the temperature-changing compartment 20.

In this embodiment, the width of the temperature-changing compartment 20 coincides with the width of the freezing compartment 10, and the width of the temperature-changing compartment 20 coincides with the width of the refrigerating compartment 30. In other embodiments, the width of the temperature changing compartment 20 and the widths of the freezing compartment 10 and the refrigerating compartment 30 may also be set according to specific design requirements, and may specifically be set according to storage space requirements. For example, the width of the temperature-changing compartment 20 may be set to coincide with the width of the freezing compartment 10, the width of the temperature-changing compartment 20 may be set to be greater than the width of the refrigerating compartment 30, or the width of the temperature-changing compartment 20 may be set to be smaller than the width of the refrigerating compartment 30.

In this embodiment the top of the drawer outer tub is flush with the top of the freezer compartment 10. In other embodiments, the position of the drawer outer barrel may be set according to specific design requirements, and the size of the drawer outer barrel may also be set according to the requirement of the storage space of the refrigerator 100.

Fig. 4 is a schematic rear view of the refrigerator 100 according to an embodiment of the present invention, and fig. 5 is a schematic flow diagram of the first blowing channel and the first return air channel in the refrigerator 100 shown in fig. 4, in which the direction of the arrows is the flow direction of the air volume of the first blowing channel and the first return air channel. As shown in fig. 4 and 5, the freezing compartment 10 includes a freezing inner container, a first air outlet 14 is disposed on a side portion of the freezing inner container close to the refrigerating compartment 30, a drawer outer barrel for placing the variable temperature drawer 40 is disposed in the refrigerating compartment 30, a first air inlet 41 is disposed at a top of the drawer outer barrel, and two ends of the first air supply channel are respectively connected to the first air outlet 14 and the first air inlet 41.

Further, a second air inlet 13 is disposed at a side portion of the freezing inner container close to the refrigerating chamber 30, a second air outlet 42 is disposed at a back portion of the drawer outer tub, the refrigerator 100 further includes a first air return channel, two ends of the first air return channel are respectively connected to the second air outlet 42 and the second air inlet 13, and are located at side portions of the freezing chamber 10 and the refrigerating chamber 30, and the first air return channel is used for transmitting cold air in the variable temperature drawer 40 into the freezing inner container. The first air supply channel and the first air return channel form a loop.

In this embodiment, the first air outlet 14 is located at a side of the freezing inner container close to the refrigerating inner container and at a position close to the upper part of the freezing inner container. Further, the first air inlet 41 is disposed at a side of the refrigerating liner close to the freezing liner, and the second air outlet 42 and the first air inlet 41 are located at a same side of the refrigerating liner. The second air inlet 13 and the first air outlet 14 are located on the same side of the freezing liner, and the second air inlet 13 is located at a position close to the lower portion of the freezing liner.

In other embodiments, the positions of the first air outlet 14, the first air inlet 41, the second air outlet 42, and the second air inlet 13 may also be set according to specific design requirements, for example, the positions may be set according to the relative positional relationship between the freezing compartment 10, the refrigerating compartment 30, and the temperature change drawer 40. Here, the first air inlet 14 is provided at a position above the freezing inner container because the variable temperature drawer 40 located in the refrigerating compartment 30 is provided near the upper side of the freezing inner container, so that the extension length of the first air blowing passage can be reduced, and the air volume loss and the arrangement space of the passage can be reduced.

In the embodiment, the air quantity is directly conveyed to the variable temperature drawer 40 by the freezing inner container, so that the air quantity loss is reduced, and the space utilization rate of the whole refrigerator 100 is saved.

Fig. 6 is a schematic flow diagram of the second air supply passage, the third air supply passage and the third return air passage in the refrigerator 100 shown in fig. 4, in which the arrows indicate the air volume flow directions of the second air supply passage, the third air supply passage and the third return air passage. As shown in fig. 6 and referring to fig. 4, in this embodiment, the top of the freezing liner is provided with a third air outlet 11, the temperature-varying chamber 20 includes the temperature-varying liner, the bottom of the temperature-varying liner is provided with a third air inlet 21, the refrigerator 100 further includes a second air supply channel, two ends of the second air supply channel are respectively connected to the third air outlet 11 and the third air inlet 21 and are located between the freezing chamber 10 and the temperature-varying chamber 20, and the second air supply channel is used for transmitting cold air in the freezing liner to the temperature-varying liner.

Further, a fourth air outlet 23 is disposed on a side portion of the temperature-variable liner close to the refrigerating compartment 30, the refrigerating compartment 30 includes a refrigerating liner, a fourth air inlet 31 is disposed on a side portion of the refrigerating liner close to the temperature-variable compartment 20, the refrigerator 100 further includes a third air supply channel, two ends of the third air supply channel are respectively connected to the fourth air outlet 23 and the fourth air inlet 31 and are located on side portions of the temperature-variable compartment 20 and the refrigerating compartment 30, and the third air supply channel is used for transmitting cold air in the temperature-variable liner to the refrigerating liner.

The embodiment is equivalent to that the air quantity supplied by the freezing liner to the variable temperature liner is divided into two paths, and the two paths respectively convey the air quantity to the refrigerating liner and the variable temperature liner.

In this embodiment, the third air outlet 11 is located at the top of the freezing inner container, the third air inlet 21 is located at the bottom of the temperature-changing inner container, and the third air outlet 11 and the third air inlet 21 are arranged oppositely, so as to reduce the extension length of the second air supply channel, reduce the air loss, and save the space utilization rate of the whole refrigerator 100. In addition, the fourth air outlet 23 is located at a side of the temperature-changing liner close to the refrigerating liner, and is disposed at a position of the temperature-changing liner close to the upper portion thereof. The fourth air inlet 31 is disposed at one side of the refrigeration liner close to the temperature-changing liner, and is disposed opposite to the fourth air outlet 23, so as to reduce the extension length of the third air supply channel, reduce the air loss, and save the space utilization rate of the whole refrigerator 100.

In this embodiment, the side portion of the refrigerated liner close to the freezing compartment 10 is provided with a sixth air outlet 32, the refrigerator 100 further includes a third air return channel, two ends of the third air return channel are respectively connected to the sixth air outlet 32 and the second air inlet 13, and are located at the side portions of the freezing compartment 10 and the refrigerated compartment 30, and the third air return channel is used for transmitting cold air in the refrigerated liner to the refrigerated liner.

In this embodiment, the sixth air outlet 32 is located at a side of the refrigerated liner close to the frozen liner and at a position close to the lower side of the refrigerated liner, and the sixth air outlet 32 is arranged opposite to the second air inlet 13 to reduce the extension length of the third return air channel and reduce the arrangement space of the channels. It can be understood that the air in the variable temperature drawer 40 and the air in the refrigerating liner both return to the freezing liner through the second air inlet 13, so that the number of air return openings on the freezing liner can be reduced.

Fig. 7 is a schematic flow diagram of the second air supply path and the second return air path in the refrigerator 100 shown in fig. 4, in which the direction of arrows indicates the flow direction of the air volume of the second air supply path and the second return air path. As shown in fig. 7 and referring to fig. 4, in this embodiment, the temperature-changing liner is away from the fifth air outlet 22 of the refrigerating compartment, the side portion of the freezing liner, which is away from the refrigerating compartment 30, is provided with a fifth air inlet 12, the refrigerator 100 further includes a second air return channel, two ends of the second air return channel are respectively connected to the fifth air outlet 22 and the fifth air inlet 12, and the second air return channel is used for transmitting the cold air in the temperature-changing liner to the freezing liner.

Specifically, the second return air passage is provided at the side of the freezing compartment 10 and the temperature-changing compartment 20. The fifth air outlet 22 is disposed at a side of the temperature varying liner far from the refrigerating liner, the fifth air outlet 22 is disposed at a position close to the lower portion of the temperature varying liner, the fifth air inlet 12 is disposed at a side of the freezing liner far from the refrigerating liner, and the fifth air inlet 12 is disposed at a position close to the lower portion of the freezing liner. It is understood that the fifth outlet 22 and the fifth inlet 12 are located on the same side.

In this embodiment, the refrigerator 100 further includes a freezing air duct, a variable temperature air duct, and a refrigerating air duct, wherein the freezing air duct is disposed in the freezing inner container, the variable temperature air duct is disposed in the variable temperature inner container, the refrigerating air duct is disposed in the refrigerating inner container, and the three air ducts function to transport air and transmit the air to the corresponding inner containers.

In this embodiment, the refrigerator 100 further includes a blower fan provided in the freezing compartment 10 for supplying cool air to the freezing compartment 10.

At present, the refrigerator with three chambers in the market adopts a double-refrigerating system, required refrigerating elements are doubled, the cost is improved, the space of a box body is occupied, and the effective storage space of the three chambers is reduced. In the embodiment, a single refrigerating system scheme is arranged, and 3 air supply channels and 3 air return channels are adopted to form a single-system three-chamber air supply scheme with a variable-temperature drawer, so that the effects of high space utilization rate, low cost and more flexible adjustment of a variable-temperature space are achieved.

In the embodiment, when the refrigerator 100 operates, the fan disposed in the freezing liner provides an air volume source, and the air volume source respectively conveys air volumes to the temperature-changing liner, the freezing liner and the temperature-changing drawer 40, and the air volume in the temperature-changing liner is divided into two paths to respectively convey the air volumes to the temperature-changing liner and the refrigerating liner. Thus, this embodiment achieves the function of a single refrigeration system to refrigerate three compartments and one variable temperature drawer.

In this embodiment, in a first aspect, the first air supply channel is disposed between the refrigerating liner and the freezing liner, and air is directly supplied to the variable temperature drawer 40 from the freezing liner, so that air loss is reduced, and the utilization rate of the whole box space is saved. In the second aspect, the second air supply channel receives the air quantity from the freezing inner container, is divided into two parts and respectively supplies air to the refrigerating inner container and the temperature-changing inner container, and compared with the technical scheme that two air supply channels are independently arranged for two compartments outside the inner container, the thickness of a foaming layer outside the inner container is ensured, the performance of the refrigerator is improved, and the space utilization rate is also improved. In the third aspect, the return air from the temperature-changing drawer 40 and the refrigerating liner in two directions uniformly returns to the refrigerating liner through a return air inlet, so that the space is saved, the thickness of the foaming layer outside the liner is ensured, and the performance of the refrigerator is improved. In the fourth aspect, the variable temperature drawer 40 is placed in the refrigerating compartment 30, the variable temperature drawer 40 can realize the temperature interval switching between the refrigerating and freezing, and under the condition of the existing variable temperature compartment with a fixed volume, the variable temperature area is increased, the temperature control flexibility of the refrigerator is further improved, and the requirement selectivity of storage and preservation of a user is greatly improved.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made to the invention consistent with the principles of the invention, which may be directly determined or derived from the disclosure of the present invention, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. The utility model provides a refrigerator, its characterized in that includes mutually independent freezing compartment, alternating temperature compartment and cold-stored compartment, be provided with alternating temperature drawer in the cold-stored compartment, alternating temperature drawer's refrigeration temperature range sets up to be unanimous with the refrigeration temperature range of alternating temperature compartment, refrigerator still includes:

the first air supply channel is arranged between the freezing chamber and the temperature change drawer and used for directly transmitting cold air in the freezing chamber to the temperature change drawer.

2. The refrigerator as claimed in claim 1, wherein the freezing compartment includes a freezing inner container, a first air outlet is disposed at a side portion of the freezing inner container close to the refrigerating compartment, a drawer outer barrel for placing the temperature varying drawer is disposed in the refrigerating compartment, a first air inlet is disposed at a top portion of the drawer outer barrel, and two ends of the first air supply channel are respectively connected to the first air outlet and the first air inlet.

3. The refrigerator as claimed in claim 2, wherein the freezing inner container is provided with a second air inlet at a side portion thereof adjacent to the refrigerating compartment, and a second air outlet is provided at a back portion of the drawer outer tub, the refrigerator further comprising:

and two ends of the first air return channel are respectively connected with the second air outlet and the second air inlet, are positioned at the side parts of the freezing chamber and the refrigerating chamber, and are used for transmitting the cold air in the variable-temperature drawer to the freezing liner.

4. The refrigerator as claimed in claim 3, wherein a third air outlet is provided at the top of the freezing inner container, the temperature-varying chamber includes a temperature-varying inner container, a third air inlet is provided at the bottom of the temperature-varying inner container, and the refrigerator further comprises:

and the two ends of the second air supply channel are respectively connected with the third air outlet and the third air inlet, are positioned between the freezing chamber and the temperature-changing chamber, and are used for transmitting the cold air in the freezing liner into the temperature-changing liner.

5. The refrigerator of claim 4, wherein a fourth air outlet is disposed at a side portion of the temperature-changing liner close to the refrigerating chamber, the refrigerating chamber comprises a refrigerating liner, a fourth air inlet is disposed at a side portion of the refrigerating liner close to the temperature-changing chamber, and the refrigerator further comprises:

and the two ends of the third air supply channel are respectively connected with the fourth air outlet and the fourth air inlet, are positioned at the side parts of the variable-temperature chamber and the refrigerating chamber, and are used for transmitting the cold air in the variable-temperature liner into the refrigerating liner.

6. The refrigerator of claim 5, wherein a fifth air outlet is disposed at a side of the temperature-changing liner facing away from the refrigerating compartment, and a fifth air inlet is disposed at a side of the freezing liner facing away from the refrigerating compartment, the refrigerator further comprising:

and two ends of the second air return channel are respectively connected with the fifth air outlet and the fifth air inlet and are used for transmitting the cold air in the variable-temperature liner to the freezing liner.

7. The refrigerator of claim 6, wherein a sixth air outlet is formed at a side portion of the refrigerating inner container close to the freezing compartment, and the refrigerator further comprises:

and two ends of the third air return channel are respectively connected with the sixth air outlet and the second air inlet, are positioned at the side parts of the freezing chamber and the refrigerating chamber, and are used for transmitting cold air in the refrigerating liner to the freezing liner.

8. The refrigerator according to claim 6,

the second return air channel is arranged on the side parts of the freezing chamber and the temperature-changing chamber.

9. The refrigerator according to any one of claims 1 to 8,

the freezing chamber is arranged at a position of the refrigerator close to the bottom of the refrigerator, the temperature changing chamber is arranged above the freezing chamber, and the cold storage chamber is arranged at one side of the freezing chamber.

10. The refrigerator according to claim 9,

the width of alternating temperature room with the width of freezing room is unanimous, the top of cold-stored room with the top parallel and level of alternating temperature room, the bottom of cold-stored room with the bottom parallel and level of freezing room.

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