WO2019128830A1

WO2019128830A1 - Refrigerator with drying chamber provided on door

Info

Publication number: WO2019128830A1
Application number: PCT/CN2018/122298
Authority: WO
Inventors: 刘建如; 朱小兵; 曹东强; 李伟; 刘昀曦
Original assignee: 青岛海尔股份有限公司
Priority date: 2017-12-29
Filing date: 2018-12-20
Publication date: 2019-07-04
Also published as: CN109990532A

Abstract

A refrigerator with a drying chamber (3) provided on a door. According to the refrigerator, cold air in a refrigeration air duct (11) can be reliably introduced into the drying chamber (3) on the door so as to achieve a drying function; providing the drying chamber (3) on the door can effectively reduce influences on the refrigeration storage capacity of a refrigerating chamber (10), and also make it convenient for a user to take out a stored item in the drying chamber (3).

Description

Refrigerator with door drying chamber

The present application claims the priority of the Chinese patent application entitled "Refrigerator with a door drying chamber" on December 29, 2017, the application number is 201711482191.X, the entire contents of which are incorporated herein by reference. in.

Technical field

The invention relates to the field of household appliances, and in particular to a refrigerator having a door drying chamber.

Background technique

With the popularity of refrigerators, in order to meet the needs of different users, refrigerators have more and more functions besides conventional refrigeration and freezing. For example, in order to meet the storage requirements for some dry items, some existing refrigerators are specially equipped for this type. In the drying room where the items are stored, the relative humidity needs to be controlled below 45%. The drying chamber of the existing refrigerator is generally directly composed of a separate space having a certain sealing measure inside the refrigerating compartment, and can be realized by a drawer or the like. When used, a part of the cold air dehumidified in the air duct can be introduced into the independent space to realize the article. Dry storage. However, the drying chamber based on the prior art is disposed in the refrigerating room, occupies a part of the refrigerating room, and affects the refrigerated storage capacity of the refrigerator; in addition, due to the structure of the refrigerator, it is often difficult to observe the deep position in the drying room. Items in the place may be forgotten because the items are forgotten, and the access to the existing dry indoor items is not very convenient.

In view of this, it is necessary to provide an improved refrigerator structure to solve the above problems.

Summary of the invention

The present invention is directed to at least one of the technical problems existing in the prior art. To achieve the above object, the present invention provides a refrigerator having a door drying chamber, which is specifically designed as follows.

A refrigerator having a door drying chamber, including a casing having a refrigerating chamber, a first door pivotally mounted to a front side of the casing for opening or closing the refrigerating chamber, and providing the refrigerating chamber a cold air to realize a refrigerating air duct of the refrigerating compartment, wherein the first door body is further provided with a drying chamber for storing dry articles on a side of the refrigerating compartment, the refrigerator having a refrigerating air duct connected to The cold air in the refrigerating duct is sent to the drying chamber air supply duct of the drying chamber.

Further, an outer layer of the inner side of the refrigerating chamber is provided with a heat insulating layer, and the drying chamber air supply duct is embedded in the heat insulating layer, and an end thereof away from the refrigerating air duct is adjacent to the inner tank A blower air outlet is formed at an edge position of a door, and the dry outdoor wall is provided with a drying chamber air inlet to be connected to the air duct air outlet when the first door is closed.

Further, the drying chamber air supply duct has a air inlet duct air inlet connected to the refrigerating air duct, and a fan is disposed at the air inlet port of the air supply duct to blow cold air in the refrigerating air duct The drying room air supply duct is described.

Further, the refrigerating chamber is embedded with a partition plate that divides the refrigerating chamber into at least two refrigerating spaces, and the left and right side walls of the inner tank are oppositely protruded to form a supporting strip for arranging the partition plate. The support strip is recessed toward the interior of the refrigerating compartment on the side of the insulative layer to form a groove, and the drying chamber air supply duct is disposed adjacent to the inner tank and has a surface embedded in the recess for positioning. Raised portion.

Further, the heat insulating layer is externally provided with a panel exposed to the air, and the condenser portion of the refrigerator extends to the vicinity of the drying chamber air supply duct and is embedded on a side of the heat insulating layer close to the panel.

Further, a sealing fitting is disposed at a position where the air outlet air outlet is in communication with the air inlet of the drying chamber to form a seal at the docking communication position when the first door is closed.

Further, the drying chamber has a communication port that communicates with the refrigerating chamber.

Further, the drying chamber has a drying chamber door body that opens or closes the drying chamber, and a gap of 0.5 to 1 mm is formed between the drying chamber door body and the outer wall of the drying chamber, and the slit forms the Connecting port.

Further, the outer wall of the drying chamber is made of a transparent material.

Further, the cabinet of the refrigerator further has a freezing compartment and a freezing duct that supplies cold air to the freezing compartment to achieve cooling of the freezing compartment, and a control station is disposed between the freezing duct and the refrigerating duct A damper in which a freezing duct is electrically connected or closed to the refrigerating duct.

The invention has the beneficial effects that: according to the structure of the refrigerator according to the invention, the cold air in the refrigerating air duct can be reliably introduced into the drying chamber on the door body to realize the drying function, and the drying chamber can be effectively disposed on the door body. The influence of the refrigerated storage capacity of the refrigerating compartment can also facilitate the user to take the stored items in the drying chamber.

DRAWINGS

1 is a schematic view showing a door opening state of a refrigerator according to the present invention;

2 is a schematic view showing the closed state of the refrigerator shown in FIG. 1;

Figure 3 is a schematic cross-sectional view of the position A-A' in Figure 2;

Figure 4 is a schematic cross-sectional view showing another position at the position A-A' in Figure 2;

Figure 5 is a schematic cross-sectional view of the position B-B' in Figure 2;

Figure 6 is a schematic view showing a structure in which a partition is provided in a refrigerating compartment;

Figure 7 is an enlarged schematic view showing a portion of Figure 6;

Figure 8 is a schematic view showing another structure in which a partition is provided in the refrigerating compartment;

Fig. 9 is an enlarged schematic view showing a portion b in Fig. 8.

Detailed ways

The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings. Referring to Figures 1 to 9, which are preferred embodiments of the present invention.

A specific embodiment of a refrigerator having a door drying chamber according to the present invention is shown in FIG. 1 and FIG. 2, and includes a casing 1 having a refrigerating chamber 10 and pivotally mounted on a front side of the casing 1 for opening or closing. The first door body 2 of the refrigerating compartment 10 and the refrigerating duct 11 which supplies cold air to the refrigerating compartment 10 to refrigerate the refrigerating compartment 10 are realized. Specifically, the refrigerating air duct 11 has a refrigerating air outlet 110 that communicates with the refrigerating compartment 10, and the cold air in the refrigerating air duct 11 is blown out through the refrigerating air outlet 110 to achieve internal cooling of the refrigerating compartment 10; the rear wall of the refrigerating compartment 10 is also provided with A refrigerating air return port 111 for recirculating cold air inside the refrigerating compartment 10.

In the present embodiment, the cabinet 1 of the refrigerator further has a freezing compartment 13 and a freezing duct 14 that supplies cold air to the freezing compartment 13 to achieve freezing of the freezing compartment 13, wherein the freezing duct 14 is disposed between the freezing duct 11 and the refrigerating duct 11 There is a damper 15 that controls the freezing air duct 14 to be electrically connected or closed to the refrigerating duct 11. Based on the design structure, the freezing duct 14 is further provided with an evaporator 6 and an evaporator fan 16 matched with the evaporator 6, the freezing duct 14 having a freezing air outlet 140 connected to the freezing chamber 13 and an interior of the freezing chamber 13 The cold air returning chilled air return port 141; the front side of the freezing chamber 13 further has a second door body 7 pivotally mounted on the casing 1. In this embodiment, the first door body 2 and the second door body 7 belong to two relatively independent door bodies; in some embodiments not shown, the first door body 2 and the second door body 7 may be the same. Door body.

In the present invention, the first door body 2 is further provided with a drying chamber 3 for storing dry articles on the side of the refrigerating compartment 10, and the refrigerator has a drying unit that communicates with the refrigerating air duct 11 to transport the cold air in the refrigerating air duct 11 to the drying chamber 3. Room air duct 4

Based on the above setting of the drying chamber, the operation process of the refrigerator is as follows:

During the operation of the refrigerator, if refrigeration is required inside the refrigerating compartment 10, the damper 15 is opened, at which time part of the cooling generated by the evaporator 6 directly enters the freezing compartment 13, and the other part enters the refrigerating duct 11 via the damper 15; A part of the cold air of 11 enters the refrigerating compartment 10 to cool the inside of the refrigerating compartment 10, and the other part is sent to the inside of the drying chamber 3 through the drying duct air duct 4.

Since the cold air in the refrigerating air duct 11 is dehumidified air (low humidity, usually relative humidity ≤ 35%) processed by the evaporator 6, the cold air in the refrigerating air duct 11 can be used to blow dry the inside of the drying chamber 3, so that The humidity of the drying chamber 3 is maintained at a low level (measured to maintain relative humidity ≤ 40%).

When the temperature inside the refrigerating compartment 10 is lowered, the refrigerating set temperature of the refrigerating compartment 10 is reached, the damper between the refrigerating duct 11 and the freezing duct 14 is closed, and the refrigerating duct 11 is stopped. Although the humidity inside the drying chamber 3 will increase after the air supply is stopped, the humidity inside the drying chamber 3 can basically satisfy the user's drying until the next time the damper 15 is opened again to supply the air to the refrigerating chamber 10 and the drying chamber 3. Storage requirements. Specifically, through the above design of the refrigerator, during the entire operation of the refrigerator, the measured maximum humidity inside the drying chamber 3 is ≤ 45%, which meets the requirements of conventional dry storage.

According to the structure of the refrigerator according to the present invention, the cold air in the refrigerating duct 11 can be reliably introduced into the interior of the drying chamber 3 on the door body 2 to dry the inside of the drying chamber 3, and the drying chamber 3 can be effectively disposed on the door body 2 The effect on the refrigerated storage of the refrigerating compartment 10 is reduced, and the user can also take the stored articles inside the drying chamber 3.

In the specific implementation process of the present invention, as shown in FIG. 3 and FIG. 4, the outer side of the inner tank 100 of the refrigerating chamber 10 is provided with a heat insulating layer 12, and the drying chamber air supply duct 4 is embedded in the heat insulating layer 12, and the drying room is provided. The air supply duct 4 is away from the refrigerating air duct 11 and the air duct air outlet 41 is formed at an edge position of the inner tank 100 near the first door body 2. As shown in FIG. 1 and FIG. 2, the outer wall of the drying chamber 3 is provided with a drying chamber air inlet 31. When the first door body is closed, the drying chamber air inlet 31 is in communication with the air outlet air outlet 41, thereby achieving cold air from the refrigerating air. The lane 11 is conveyed to the inside of the drying chamber 3.

In a specific implementation process, the drying chamber air supply duct 4 is disposed in the heat insulating layer 12 near the inner side of the inner tank 100, thereby preventing the external environment temperature from unnecessarily affecting the cold air inside the drying chamber air supply duct 4, usually the drying room The air supply duct 4 is further at least 25 mm thick from the insulating layer on the side of the inner tank 100. Further, as a preferred embodiment, referring to FIG. 1, the air outlet duct air outlet 41 of the present invention is disposed on a side of the inner casing that is pivotally mounted adjacent to the first door body 2.

Referring to FIG. 1 , in the specific embodiment, the drying chamber air supply duct 4 has a blowing air duct air inlet 42 connected to the refrigerating air duct 11 , and a fan 40 is disposed at a position of the air inlet air inlet 42 . At the time of operation 40, the cold air in the refrigerating duct 11 can be blown to the drying duct air duct 4. By adjusting the rotational speed of the blower 40, the amount of cold air entering the interior of the drying chamber 3 can be controlled. In still other embodiments of the present invention, the fan 40 may not be provided, and the cold air enters the refrigerating duct 11 by the evaporator fan 16 and flows to the drying chamber air duct 4 by itself.

In some embodiments of the present invention, the refrigerating compartment 10 is internally provided with a partition 5 that divides the refrigerating compartment 10 into at least two refrigerated spaces. Referring to FIG. 6 and FIG. 8 , three partition plates 5 arranged in parallel from top to bottom divide the refrigerating chamber 10 into four refrigerating spaces. As shown in FIG. 7 and FIG. 9 , the left and right side walls of the inner tank 100 are opposite. The support strip 1000 on which the partition 5 is placed is formed by the projection.

As a preferred embodiment of the present invention, as shown in FIG. 9 , the support strip 1000 is recessed on one side of the heat insulating layer 12 toward the inside of the refrigerating chamber 10 to form a groove (not shown), and the drying chamber is supplied with air. The air duct 4 is placed against the inner liner 100 and has a projection 43 embedded in the recess. The protrusion 43 is embedded in the recess to enable positioning of the drying chamber air duct 4. Specifically, the heat insulating layer 12 is formed by foaming, and the protrusion 43 is embedded in the groove to prevent the position of the drying chamber air duct 4 from being displaced when the heat insulating layer 12 is foamed. In addition, in the case where the cross-sectional area of the drying duct air duct 4 is fixed, the manner of designing the boss portion 43 can also reduce the thinning occupation of the heat insulating layer 12 by the drying chamber air duct 4, which is reduced to some extent. Here the probability of condensation on panel 17 is generated.

Of course, in other embodiments of the present invention, the drying chamber air duct 4 can also refer to the mounting manner shown in FIG. 7, in which case it is often necessary to add additional positioning during the foam molding process of the insulating layer 12. The organization does not make a statement here.

As shown in FIG. 4 and FIG. 5, in the specific embodiment, the heat insulating layer 12 is externally provided with a panel 17 exposed to the air, and the condenser tube 18 of the refrigerator extends to the vicinity of the drying chamber air supply duct 4 and is embedded in the heat preservation. Layer 12 is adjacent to one side of panel 17. Specifically, a section 180 of the condensing duct 18 extends substantially in the same direction as the drying chamber air duct 4, and is located at or near the sides of the heat insulating layer 12, respectively, with the drying chamber air duct 4, wherein the drying chamber The air supply duct 4 is located at or near the side of the heat insulating layer 12 on the inner tank 100, and a section 180 of the condensing duct 18 is located at or near the side of the heat insulating layer 12 on the panel 17. This arrangement can avoid the risk of condensation of the drying chamber air duct 4 on the refrigerator panel 17.

As shown in FIG. 3 and FIG. 4, a sealing fitting 30 is disposed at abutting communication position between the air outlet air outlet 41 and the air inlet 31 of the drying chamber in the embodiment, and the first is based on the setting of the sealing fitting 30. When the door body 2 is closed, a seal is formed at the position where the air supply duct air outlet 41 and the drying chamber air inlet 31 are in communication with each other. The sealing fitting 30 can be made of a material such as elastic rubber.

In order to ensure that the drying chamber air supply duct 4 smoothly supplies cold air to the inside of the drying chamber 3, the drying chamber 3 has a communication port (not shown) that communicates with the refrigerating chamber 10, so that the drying chamber air supply duct 4 is directed to the drying chamber 3 When the cold air is internally supplied, the cold air inside the drying chamber 3 can be discharged to the refrigerating chamber 10 through the communication port, thereby ensuring a stable air pressure inside the drying chamber 3.

Generally, the drying chamber 3 has a drying chamber door (not shown) that opens or closes the drying chamber 3, and a gap of 0.5 to 1 mm is formed between the drying chamber door and the outer wall of the drying chamber 3, and the gap constitutes a communication. mouth. Among them, a gap of 0.5 to 1 mm facilitates the supply of cold air in the air supply duct 4 of the drying chamber, while avoiding the intrusion of high-humidity air inside the refrigerating chamber 10. Specifically, in some embodiments, the interior of the drying chamber 3 may be partitioned into two or more storage spaces, and the drying chamber door may be disposed in a manner of rotating and opening or closing or setting the drawer to be pulled.

Further, in order to facilitate observation of the storage of articles inside the drying chamber 3, the outer wall of the drying chamber 3 is made of a transparent material, for example, a PS material.

It should be understood that, although the description is described in terms of embodiments, the embodiments are not intended to be construed as a single. The technical solutions in the embodiments may also be combined as appropriate to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions set forth above are merely illustrative of the possible embodiments of the present invention, and are not intended to limit the scope of the present invention. Changes are intended to be included within the scope of the invention.

Claims

A refrigerator having a door drying chamber, including a casing having a refrigerating chamber, a first door pivotally mounted to a front side of the casing for opening or closing the refrigerating chamber, and providing the refrigerating chamber a cold air to realize the refrigerating air duct of the refrigerating compartment, wherein the first door body is further provided with a drying chamber for storing dry articles on a side of the refrigerating compartment, the refrigerator having the refrigerating The air duct delivers cold air in the refrigerating duct to a drying chamber air duct of the drying chamber.
The refrigerator with a door drying chamber according to claim 1, wherein an outer layer of the inner side of the refrigerating chamber is provided with a heat insulating layer, and the drying chamber air supply duct is embedded in the heat insulating layer and is away from the heat insulating layer. One end of the refrigerating air duct is formed with a blowing air duct air outlet at an edge position of the inner tank near the first door body, and the drying outdoor wall is provided with a drying chamber air inlet to be at the first door When the body is closed, the butt is connected to the air outlet of the air supply duct.
A refrigerator having a door drying chamber according to claim 1 or 2, wherein the drying chamber air supply duct has a blower duct air inlet connected to the refrigerating duct, the air duct A fan is disposed at the air inlet position to blow cold air in the refrigerating air duct to the drying chamber air supply duct.
The refrigerator with a door drying chamber according to claim 2, wherein the refrigerator compartment is provided with a partition that divides the refrigerator compartment into at least two refrigerating spaces, and left and right side walls of the liner a support strip is disposed on the opposite side of the heat-insulating layer, and a recess is formed in a side of the heat-insulating layer toward the interior of the refrigerating compartment, and the drying chamber air supply duct is closely attached to the The bladder is disposed and has a raised portion that is embedded in the recess to achieve positioning.
A refrigerator having a door drying chamber according to claim 2, wherein said heat insulating layer is provided with a panel exposed to the air, and a condenser portion of said refrigerator extends to said drying chamber air supply duct And embedded in the insulation layer close to one side of the panel.
The refrigerator with a door drying chamber according to claim 2, wherein a sealing fitting is provided at the abutting communication position of the air outlet air outlet and the air inlet of the drying chamber to be in the first door A seal is formed at the docking communication position when the body is closed.
A refrigerator having a door drying chamber according to claim 1 or 2, wherein the drying chamber has a communication port that communicates with the refrigerating chamber.
A refrigerator having a door drying chamber according to claim 7, wherein said drying chamber has a drying chamber door opening or closing said drying chamber, said drying chamber door being closed and said drying chamber A gap of 0.5 to 1 mm is formed between the outer walls, and the slit constitutes the communication port.
A refrigerator having a door drying chamber according to claim 1 or 2, wherein the outer wall of the drying chamber is made of a transparent material.
A refrigerator having a door drying chamber according to claim 1, wherein the refrigerator body further has a freezing chamber and a freezing air duct that supplies cold air to the freezing chamber to realize cooling of the freezing chamber. A damper for controlling the freezing air passage and the refrigerating air passage to be opened or closed is disposed between the freezing air duct and the refrigerating air duct.