CN213514586U - Refrigerator with a door - Google Patents

Abstract

The utility model provides a refrigerator, which comprises a refrigerator body and a door body, wherein the front side of the refrigerator body is opened to limit a first chamber, the door body comprises a main door for opening and closing the first chamber and limiting a second chamber and an auxiliary door for opening and closing the second chamber, the rear wall of the main door is provided with an air supply outlet for leading air in the first chamber into the second chamber and a return air inlet for allowing the second chamber to return air to the first chamber, and a drying storage part is arranged in the second chamber; the rear wall of the main door comprises a front shell and a rear shell which are arranged at intervals from front to back, an air channel is defined between the front shell and the rear shell, and the air channel is configured to introduce cold air prepared by the refrigerator, so that the cold air is condensed on the inner wall of the air channel and changed into dry gas, and then flows into the dry storage part. The utility model discloses the door body compartment sets up the storage space who is independent of the box compartment to the storage function of the door body compartment is richened.

Description

Refrigerator with a door

Technical Field

The utility model relates to a cold-stored freezing technical field, in particular to refrigerator.

Background

With the technical progress and the improvement of the living standard of people, the requirement of users on the refrigerator is higher and higher. The conventional refrigerator provided with only a refrigerating chamber, a freezing chamber and a temperature-changing chamber has not been able to satisfy the user's demand for diversification of storage space.

In recent years, a composite door body technology appears in the field of refrigerators. As is well known, a conventional refrigerator door is used to open and close a refrigerating compartment of a refrigerator body, and a bottle holder is disposed at a liner of the refrigerator door at most for holding a bottle. The refrigerator with the composite door body improves the structure and the function of the door body, so that the door body comprises a main door and an auxiliary door, and the main door is used for opening and closing a refrigerating chamber. The main door defines a door compartment whose front side is open, and the sub door opens and closes the door compartment. And in the rotation process of the main door, the auxiliary door keeps a closed state. The door body chamber can be used for placing storage objects, and only the auxiliary door needs to be opened when the storage objects are taken and placed, and the main door is not opened. Not only the operation is more convenient and faster, but also the excessive loss of cold energy caused by frequently opening the main door is avoided.

However, the composite door refrigerator has many defects, such as too small space between the door bodies, difficult temperature and humidity control, storage conditions similar to those of the refrigerating chamber, even complete communication with the refrigerating chamber, and becoming a part of the refrigerating chamber. These problems negatively impact the user experience and hinder further development of composite door technology.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of the above-mentioned defect that prior art exists is solved at least, richenes the storage function of the door body room in the composite door refrigerator, satisfies the higher requirement of user to door body storing function.

The utility model discloses a further purpose accomplishes the separation of dry wet air conditioning and draws in the door body.

In particular, the present invention provides a refrigerator including a cabinet, a front side of which is opened to define a first compartment, and a door body including a main door for opening and closing the first compartment and defining a second compartment, and a sub door for opening and closing the second compartment, wherein,

the rear wall of the main door is provided with an air supply outlet for introducing air in the first compartment into the second compartment and an air return inlet for allowing the second compartment to return air to the first compartment, and a drying storage part is arranged in the second compartment;

the rear wall of the main door comprises a front shell and a rear shell which are arranged at intervals from front to back, an air channel is defined between the front shell and the rear shell, and the air channel is configured to introduce cold air prepared by the refrigerator, so that the cold air is condensed on the inner wall of the air channel and changed into dry gas, and then flows into the dry storage part.

Optionally, a moisturizing storage part is arranged in the second chamber; an atomization device is arranged at the downstream of the air duct and is used for atomizing condensed water accumulated by condensation on the inner wall of the air duct; the air duct is configured to introduce the cool air mixed with the mist into the moisturizing storage portion.

Optionally, a wind screen is arranged in the air duct, and the communication points of the drying storage part and the moisturizing storage part with the air duct are respectively positioned at the upstream and the downstream of the wind screen; and the wind deflector is spaced from the rear housing to allow condensation water and a portion of the cold air to flow in a downstream direction of the wind deflector.

Optionally, the dry storage is configured to return air into the second compartment; and the internal space of the moisturizing storage part is isolated from the second chamber.

Optionally, the inner wall of the cabinet is formed with a front outlet communicating with a cooling chamber of the refrigerator, and the front outlet is adjacent to the rear case to discharge air toward a rear surface of the rear case, thereby cooling the rear case.

Optionally, the front air outlet is disposed at the front portion of the top wall of the box body.

Optionally, a rear air outlet communicated with the cooling chamber is formed at the rear side of the box body and used for supplying air to the rear part of the first chamber.

Optionally, the air supply outlet is positioned at the top of the rear wall, and the top of the air duct is communicated with the air supply outlet to allow cold air in the first compartment to enter the second compartment and the air duct through the air supply outlet.

Optionally, a front air outlet communicating with a cooling chamber of the refrigerator is formed at a front portion of a top wall of the cabinet, and the front air outlet is configured to simultaneously supply air toward the rear surface of the rear case and the air supply outlet.

Optionally, the rear shell is made of a metallic material.

The utility model discloses an in the refrigerator, set up dry storage portion in the door body compartment (be the second compartment), can be used for the storage specially and need dry cold-stored article, richened the storage function of second compartment, made the availability of second compartment stronger, satisfied the user to the higher requirement of door body storing function, promoted user experience.

Furthermore, the utility model discloses set up the wind channel in the back wall of main door very much, introduce dry storage portion with air conditioning by the wind channel. In the process that the cold air flows through the air channel, water vapor in the cold air is condensed on the inner wall of the air channel, so that the peeling of moisture is realized, and the cold air flowing into the drying storage part is dry air. The utility model discloses a drying process has been accomplished to the in-process that this kind of simple structure made air conditioning carry to dry storage portion, and drying process vapor condenses naturally, does not need other additional structure, and the design is very ingenious. Moreover, the second chamber is formed on the main door, so that the volume of the second chamber is very limited, and the volume of the drying storage part is smaller, so that a large flow area of the air duct is not required. Therefore, the air duct has little influence on the thickness of the rear wall of the main door, and does not occupy the storage space of the second chamber.

Further, the utility model discloses an in the refrigerator, not only set up dry storage portion in the second compartment, still set up the storage portion of moisturizing for the cold-stored thing of storage needs higher humidity environment. Furthermore, the utility model discloses utilize atomizing device to atomize the condensation in wind channel, make its air conditioning to in the wind channel carry out the humidification and supply it for the storage part of moisturizing, this process just recycle dry air and prepared the produced comdenstion water of process for the dry run and the humidification process of air conditioning have realized combining organically, realized doing, wet air conditioning's separation draws, has left out extra dehumidification, humidification structural design and control program design, and the cost is lower and the effect is better, is suitable for the volume production to promote. In addition, the more condensation is in the drying process, the drier the obtained dry air is; while also allowing more condensate to accumulate, so that the humidified air ultimately obtained is more humid. Therefore, the drying process and the humidifying process of the cold air are in a mutually promoting relationship, so that the drying effect and the humidifying effect are very good.

Further, the utility model discloses a refrigerator still utilizes the air-out cooling backshell rear surface of the preceding air outlet of box inner wall, and the temperature of the backshell that makes is lower, is favorable to the condensation process of backshell front surface (the wind channel back wall promptly) for the air conditioning of supplying for dry storage portion is drier more. And the air outlet of the front air outlet cools the front space of the first compartment while cooling the rear surface of the rear shell, so that the problem that the front space of the first compartment is cooled disadvantageously due to the fact that air is only supplied by the rear wall of the box body is avoided.

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 structural diagram of a refrigerator according to an embodiment of the present invention;

FIG. 2 is a schematic view illustrating an air path circulation of the refrigerator shown in FIG. 1;

FIG. 3 is an enlarged view at A of FIG. 2;

fig. 4 is an enlarged view of fig. 2 at B.

Detailed Description

A refrigerator according to an embodiment of the present invention is described below with reference to fig. 1 to 4. Where the orientations or positional relationships indicated by the terms "front", "back", "upper", "lower", "top", "bottom", "inner", "outer", "lateral", etc., are based on the orientations or positional relationships shown in the drawings, they are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention; FIG. 2 is a schematic view illustrating an air path circulation of the refrigerator shown in FIG. 1; FIG. 3 is an enlarged view at A of FIG. 2; fig. 4 is an enlarged view of fig. 2 at B, in which the wind direction is indicated by arrows.

As shown in fig. 1 to 4, a refrigerator according to an embodiment of the present invention may generally include a refrigerator body 100 and a door body 200. Wherein, the front side of the cabinet 100 (the side of the door 200 is the front side of the refrigerator, and the front-back direction is shown in the figure) is opened to define the first compartment 101. The door body 200 includes a main door 210 for opening and closing the first compartment 101 and defining the second compartment 201, and a sub door 220 for opening and closing the second compartment 201.

The main door 210 may be rotatably mounted to the cabinet 100 at the front side of the cabinet 100, the front side of the main door 210 is opened to define the aforementioned second compartment 201, and the sub door 220 may be rotatably mounted to the main door 210 at the front side of the main door 210. When the main door 210 is opened, the user accesses the items from the first compartment 101. With the main door 210 closed and the sub-door 220 open, a user may access items from the second compartment 201.

The refrigerator may be refrigerated by a vapor compression refrigeration cycle, a semiconductor refrigeration system, or other means. Each compartment inside the refrigerator may be divided into a refrigerating compartment, a freezing compartment, and a temperature-changing compartment according to a refrigerating temperature. For example, the temperature in the refrigerated compartment is generally controlled between 2 ℃ and 10 ℃, preferably between 4 ℃ and 7 ℃. The temperature range in the freezer compartment is typically controlled between-22 ℃ and-14 ℃. The temperature-changing chamber can be adjusted between-18 ℃ and 8 ℃ to realize the temperature-changing effect. The optimal storage temperatures of different kinds of articles are different, and the storage compartments suitable for storage are also different. For example, fruit and vegetable foods are suitably stored in the refrigerating compartment, while meat foods are suitably stored in the freezing compartment. The first compartment 101 of the embodiment of the present invention is preferably a refrigerating compartment.

As shown in fig. 2 to 4, the rear wall 211 of the main door 210 is opened with a supply port 212 for introducing air in the first compartment 101 into the second compartment 201 and a return port 214 for allowing the second compartment 201 to return air to the first compartment 101. Or, the rear wall 211 is provided with an air supply outlet 212 and an air return outlet 214, the air supply outlet 212 is used for supplying air from the first compartment 101 to the second compartment 201, and the air return outlet 214 is used for returning air from the second compartment 201 to the first compartment 101, so as to cool the second compartment 201. A first blower 310 may be installed at the supply outlet 212 to blow cool air toward the second compartment 201.

A dry storage part 400 is provided in the second compartment 201. The rear wall 211 of the main door 210 includes front and rear housings 2112 and 2114 spaced apart to define the air chute 215 therebetween. The front surface of the front case 2112 constitutes the rear wall 211 surface of the second compartment 201, and the rear surface of the rear case 2114 constitutes the rearmost surface of the main door 210. The front 2112 and back 2114 housings may be separate components that require later assembly or may be an integral piece. The air duct 215 is configured to introduce the cold air generated by the refrigerator, so that the cold air is condensed on the inner wall of the air duct 215 and changed into dry air, and then flows into the dry storage part 400. The dry storage 400 may be provided with a dry air inlet 410 to introduce dry air within the wind tunnel 215, and a fan 330 may be installed at the dry air inlet 410 to induce the dry air to flow toward the dry storage 400. The dry storage part 400 may be a drawer.

The inventors have found that, since the rear wall 211 of the main door 210 is in direct contact with the first compartment 101, the temperature is lower than in other parts of the main door 210. The air duct 215 is formed at the rear wall 211 of the main door 210 to facilitate generation of condensation. The embodiment of the present invention preferably also makes the back shell 2114 made of metal material, because the metal material has better heat transfer performance and lower temperature, it is beneficial to form condensation on the front surface of the back shell 2114 (i.e. the inner wall of the air duct 215). The front housing 2112 may be made of a non-metallic material with better thermal insulation properties to maintain a low temperature environment within the wind tunnel 215 and reduce the effect of the temperature of the second compartment 201 (which is higher relative to the temperature of the first compartment 101) on the temperature of the wind tunnel 215.

The embodiment of the utility model provides an in, dry gas's introduction makes dry storage portion 400's air relative humidity very low, can be used for the storage specially to need dry refrigerated article (for example medicine), has richened the storage function of second compartment 201, makes second compartment 201's availability stronger, has satisfied the higher requirement of user to door body storing function, has promoted user experience.

The embodiment of the present invention particularly provides the air duct 215 in the rear wall 211 of the main door 210, and the air duct 215 guides the cool air into the dry storage part 400. When the cool air flows through the air duct 215, the water vapor in the cool air is condensed on the inner wall of the air duct 215 to peel off the moisture, so that the cool air flowing into the dry storage part 400 is dry air. The embodiment of the utility model provides a through this kind of simple structure, make the in-process that air conditioning carried to dry storage part 400 accomplish the drying process, the drying process vapor condenses naturally, does not need other additional structures, and the design is very ingenious. Further, since the second compartment 201 is formed in the main door 210, the volume thereof is very limited, and the volume of the dry storage part 400 is smaller, a large flow area of the air duct 215 is not required. Therefore, the thickness of the rear wall 211 of the main door 210 is only slightly affected by the opening of the air duct 215, and the storage space of the second compartment 201 is not occupied.

In some embodiments, as shown in fig. 2 to 4, a moisturizing storage portion 500 is provided in the second compartment 201. The air in the moisturizing storage part 500 has a high relative humidity and is used for storing refrigerated objects requiring a high humidity environment. An atomizing device 600 is arranged at the downstream of the air duct 215 and is used for atomizing condensed water accumulated by condensation on the inner wall of the air duct 215. The air duct 215 is configured to introduce cool air mixed with mist into the moisturizing storage portion 500. The moisturizing storage part 500 may be a drawer. The atomizer 600 may be an ultrasonic atomizer, a compression atomizer or a mesh atomizer, which are commonly used in the atomization field, and are not described in detail.

As shown in fig. 2, an inlet of the duct 215 may be provided at an upper portion of the rear wall 211 so that the cool air flows from top to bottom in the duct 215 due to its high density. As such, upstream of the wind tunnel 215 refers to an upper portion of the wind tunnel 215 and downstream refers to a lower portion of the wind tunnel 215. The atomization device 600 is arranged at the bottom of the air duct 215, and the condensation on the inner wall of the air duct 215 flows downwards to the bottom of the air duct 215 under the action of gravity and then receives the atomization of the atomization device 600. The moisturizing storage part 500 is disposed below the dry storage part 400 and opposite to the bottom of the air duct 215 to directly receive a high-humidity air flow.

As shown in fig. 4, a wind shielding plate 2116 may be further provided in the air duct 215, the communication points of the dry storage portion 400 and the moisturizing storage portion 500 with the air duct 215 are located upstream and downstream of the wind shielding plate 2116, respectively, and the wind shielding plate 2116 is provided at a distance from the rear case 2114 to allow dew condensation water and part of cold air to flow downstream of the wind shielding plate 2116. That is, the wind shield 2116 functions to isolate dry air from high-humidity air, and only allows condensed water on the rear wall 211 of the wind tunnel 215 to flow downstream.

The embodiment of the utility model provides an in, not only set up dry storage portion 400 in the second compartment 201, still set up storage portion 500 of moisturizing, moreover, the utility model discloses utilize atomizing device 600 to atomize the condensation of wind channel 215, make its air conditioning to in the wind channel 215 humidify and supply it for storage portion 500 of moisturizing, this process just recycle dry air and prepare the comdenstion water that the process generated for the drying process and the humidification process of air conditioning have realized combining organically, realized doing, wet air conditioning's separation draws, has left out extra dehumidification, humidification structural design and control program design, and the cost is lower and the effect is better, is suitable for the volume production and promotes. In addition, the more condensation is in the drying process, the drier the obtained dry air is; while also allowing more condensate to accumulate, so that the humidified air ultimately obtained is more humid. Therefore, the drying process and the humidifying process of the cold air are in a mutually promoting relationship, so that the drying effect and the humidifying effect are very good.

In some embodiments, as shown in fig. 2 and 3, the dry storage part 400 may be configured to return air toward the inside of the second compartment 201, and the internal space of the moisturizing storage part 500 may be isolated from the second compartment 201. Specifically, a dry return air inlet 420 opened backward may be disposed at a bottom of a rear side of the dry storage part 400 to supply air. The moisturizing storage 500 is provided with only the moisturizing vents 510 in communication with the air duct 215. The present embodiment discriminates the return air of the dry storage part 400 and the moisture retention storage part 500, so that the dry storage part 400 can enter the second compartment 201 relative to the dry air, and the high-humidity air of the moisture retention storage part 500 is prevented from entering the second compartment 201, thereby preventing the condensation problem caused by the humidity rise in the second compartment 201.

In some embodiments, as shown in fig. 2 and 3, the inner wall of the cabinet 100 is formed with a front air outlet 122 communicating with the cooling compartment 102 of the refrigerator. The front outlet 122 communicates with the cooling chamber 102 through the main duct 120. The front outlet 122 is adjacent to the rear case 2114 to discharge air toward the rear surface of the rear case 2114, thereby cooling the rear case 2114, making the temperature of the rear case 2114 lower, facilitating the condensation process of the front surface of the rear case 2114 (i.e., the rear wall 211 of the wind tunnel 215), and making the cool air supplied to the dry storage part 400 drier. The front outlet 122 may be disposed at the front of the top wall of the box 100 to be closer to the rear case 2114, which is more advantageous for supplying air to the rear case 2114. A second fan 320 may be installed at the front air outlet 122 to blow air downward.

A rear outlet 130 communicating with the cooling chamber 102 for supplying air to the rear of the first compartment 101 may be formed at the rear side of the cabinet 100. In this way, the air discharged from the front air outlet 122 cools the front space of the first compartment 101 while cooling the rear surface of the rear shell 2114, so as to avoid the problem that the front space of the first compartment 101 is disadvantageously cooled due to the air supply of only the rear wall 211 of the box body 100, and thus the temperatures of the front and rear parts of the first compartment 101 are more uniform.

In some embodiments, as shown in fig. 2 and 3, the air outlet 212 may be located at the top of the rear wall 211, and the top of the air duct 215 communicates with the air outlet 212, so as to allow the cool air in the first compartment 101 to enter the second compartment 201 and the air duct 215 through the air outlet 212. In this way, the air duct 215 communicates with the first compartment 101 via the air supply port 212, and a separate opening is not required in the rear shell 2114, thereby simplifying the structure of the rear shell 2114. The air return opening 214 may be provided at the bottom of the rear wall 211.

Further, a front outlet 122 communicating with the cooling chamber 102 of the refrigerator is formed at a front portion of the top wall of the cabinet 100, and the front outlet 122 is configured to simultaneously supply air toward the rear surface of the rear case 2114 and the supply outlet 212. Since the cool air blown out from the front outlet 122 originates from the cooling compartment 102 and has a lower temperature than the first compartment 101, this embodiment blows a part of the cool air toward the outlet 212 and makes the cool air enter the air duct 215 and the second compartment 201, which is very advantageous for cooling the second compartment 201 and for forming condensation on the inner wall of the air duct 215.

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, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, 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. A refrigerator including a cabinet having a front side opened to define a first compartment, and a door including a main door for opening and closing the first compartment and defining a second compartment, and a sub door for opening and closing the second compartment,

the rear wall of the main door is provided with an air supply outlet for introducing air in the first compartment into a second compartment and an air return inlet for allowing the second compartment to return air to the first compartment, and a drying storage part is arranged in the second compartment;

the rear wall of the main door comprises a front shell and a rear shell which are arranged at intervals from front to back, an air outlet channel is limited between the front shell and the rear shell, and the air outlet channel is configured to introduce cold air prepared by the refrigerator, so that the cold air is condensed on the inner wall of the air channel and changed into dry gas, and then flows into the dry storage part.

2. The refrigerator according to claim 1,

a moisturizing storage part is arranged in the second chamber; and is

An atomization device is arranged at the downstream of the air duct and is used for atomizing condensed water accumulated by condensation on the inner wall of the air duct;

the duct is configured to introduce cool air mixed with mist into the moisturizing storage portion.

3. The refrigerator according to claim 2,

the air duct is internally provided with a wind shield, and the communication points of the drying storage part and the moisturizing storage part with the air duct are respectively positioned at the upstream and the downstream of the wind shield; and is

The windshield is spaced from the rear housing to allow dew condensation water and a portion of the cool air to flow in a downstream direction of the windshield.

4. The refrigerator according to claim 2,

the dry storage part is configured to return air to the second compartment; and is

The internal space of the moisturizing storage part is isolated from the second chamber.

5. The refrigerator according to claim 1,

and a front air outlet communicated with a cooling chamber of the refrigerator is formed on the inner wall of the refrigerator body, and the front air outlet is close to the rear shell to blow air towards the rear surface of the rear shell, so that the rear shell is cooled.

6. The refrigerator according to claim 5,

the front air outlet is arranged in the front part of the top wall of the box body.

7. The refrigerator according to claim 6,

and a rear air outlet communicated with the cooling chamber and used for supplying air to the rear part of the first chamber is formed at the rear side of the box body.

8. The refrigerator according to claim 1,

the air supply outlet is positioned at the top of the rear wall, and the top of the air channel is communicated with the air supply outlet so as to allow cold air in the first chamber to enter the second chamber and the air channel through the air supply outlet.

9. The refrigerator according to claim 8,

and a front air outlet communicated with a cooling chamber of the refrigerator is formed in the front part of the top wall of the box body, and the front air outlet is configured to simultaneously supply air to the rear surface of the rear shell and the air supply outlet.

10. The refrigerator according to claim 1,

the rear case is made of a metal material.

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