KR102582023B1 - Refrigerator - Google Patents

Abstract

The refrigerator includes a storage compartment, an internal door having an opening of a size corresponding to the size of the storage compartment, a plurality of door guards provided in the opening, and an external door that opens and closes the opening, and the internal door can control the environment of the storage compartment. Includes a control unit.

Description

Refrigerator{REFRIGERATOR}

The present invention relates to a refrigerator having an inner door having an opening and an outer door opening and closing the opening.

In general, a refrigerator is a home appliance that has a storage compartment for storing food and a cold air supply device that supplies cold air to the storage compartment, allowing food to be kept fresh for a long period of time.

The storage room is equipped with shelves where you can place food. The front of the storage compartment is open so that food can be put in and out, and the open front of the storage compartment can be opened and closed by a main door rotatably coupled to the main body. A door guard may be provided on the back of the main door to store food separately from the shelf placed in the storage room.

Since this door guard is provided on the back of the main door, it is generally accessible only by opening the main door. Meanwhile, there are refrigerators that have a separate auxiliary door on the main door so that the door guard can be accessed without opening the main door. In a refrigerator with such an auxiliary door, the door guard provided on the back of the door can be accessed by only opening the auxiliary door without opening the door, thereby improving the versatility of food storage and achieving the effect of preserving cold air.

For prior art related to such refrigerators, refer to Patent Publication No. 10-2012-0063316 (published on June 15, 2012).

One aspect of the present invention discloses a refrigerator in which a control unit that controls the internal environment of a storage compartment of the refrigerator is installed in the main door and an auxiliary door is opened to access the control unit provided in the main door, and a method of manufacturing the same.

A refrigerator according to an embodiment of the present invention includes a main body, a storage compartment formed inside the main body, an opening corresponding to the storage compartment, an inner door rotatably coupled to the main body, and rotatable relative to the inner door. It may include an external door disposed in such a manner, and a control unit configured to control the environment inside the storage compartment, wherein the internal door is provided with a mounting part on which the control unit can be mounted, and the control unit is connected to the mounting part. can be installed on

Here, the control unit may include a manipulation unit and a display unit.

Additionally, the control unit may be configured to control temperature, humidity, odor, lighting, etc. of the storage room.

Additionally, the control unit may include a circuit board including a control unit and a display unit, and a cover that covers the circuit board and includes a button unit that acts on the control unit and an opening that exposes the display unit.

The control unit may include a housing that accommodates the circuit board and the cover and is coupled to a mounting portion of the inner door.

Additionally, the control unit may include a light-transmitting member that covers the cover and displays the function of the button unit.

The inner door may include an upper frame, a lower frame, a left frame, and a right frame forming the opening, and the control unit may be disposed on at least one of the upper frame, lower frame, left frame, and right frame. .

Additionally, the inner door may include an inner plate, an outer plate with a space formed between the inner plate, and an insulator foamed in the space, and the control unit may be disposed between the inner plate and the outer plate.

The refrigerator may further include a plurality of door guards provided on the inner door, and the inner plate may form the opening and include an inner wall supporting the plurality of door guards.

Here, the door guard may include a front wall, a rear wall, both side walls, a bottom wall, and a storage space.

Additionally, the front wall of the door guard may form part of the front of the inner door.

In a refrigerator according to another embodiment of the present invention, the external door may include a viewing window so that the control unit can be viewed from the outside.

Additionally, in the refrigerator according to another embodiment of the present invention, the external door may be made of a transparent or translucent material so that the control unit can be viewed from the outside.

A refrigerator according to another embodiment of the present invention is capable of controlling a main body, at least one storage compartment formed inside the main body, a plurality of doors for opening and closing the at least one storage compartment, and an environment inside the at least one storage compartment. The plurality of doors may include a first door formed as a single door and a second door formed as a double door, and the control unit may be disposed on the second door.

Here, the second door includes an opening corresponding to the storage compartment, an inner plate, an outer plate with a space formed between the inner plate, and an insulation material foamed in the space, and is an inner door rotatably coupled to the main body. and an outer door rotatably coupled to the inner door to open and close the opening, and the outer panel of the inner door may be provided with a mounting portion on which the control unit is mounted, and the control unit may include: It may be disposed in the space between the inner plate and the outer plate.

In the refrigerator according to another embodiment of the present invention, the outer door of the second door may include a viewing window that allows the control unit mounted on the inner door to be checked when the outer door is closed.

In the refrigerator according to another embodiment of the present invention, the outer door of the second door may be formed of a transparent or translucent material so that the control unit mounted on the inner door can be checked when the outer door is closed.

According to an embodiment of the present invention, a main body, a storage compartment formed inside the main body, a double door rotatably coupled to the main body to double open and close the storage compartment, and an environment inside the storage compartment that can be controlled. The method for manufacturing a double door of a refrigerator is to place the control unit on the double door, inject a foaming liquid into the inner space of the double door where the control unit is placed, and foam the foaming liquid to form the control unit. It may include firmly combining the double door with the double door.

According to the idea of the present invention, a control unit is provided on the inner door of the double door, so that erroneous operation by the user can be prevented and contamination by external foreign substances, etc. can be prevented. In addition, since the control unit is operated by opening only the outer door while the inner door of the double door is closed, heat loss in the storage room can be reduced when operating the control unit. In addition, the outer door is entirely formed in the form of a transparent window, or a transparent window that allows the display of the control unit of the inner door to be viewed from the outside is provided on the outer door, so that the environmental setting status of the storage room can be checked without opening the outer door.

1 is a diagram illustrating a refrigerator according to an embodiment of the present invention, with both the inner door and the outer door closed.
FIG. 2 is a diagram illustrating a state in which the inner door and the outer door of the refrigerator of FIG. 1 are opened separately.
FIG. 3 is a diagram illustrating a state in which only the outer door of the refrigerator of FIG. 1 is opened.
FIG. 4 is a diagram showing the inner door of the refrigerator of FIG. 1 in an open state.
FIG. 5 is a view showing the inner door and door guard of the refrigerator of FIG. 1.
Figure 6 is an exploded perspective view showing the configuration of the inner door of the refrigerator of Figure 1.
Figure 7 is an exploded perspective view from another angle showing the configuration of the inner door of the refrigerator of Figure 1.
Figure 8 is an exploded perspective view showing the control unit disposed on the inner door of the refrigerator of Figure 1.
Figure 9 is a cross-sectional view of a portion of the inner door of the refrigerator of Figure 1;
Figure 10 is a diagram showing a refrigerator according to another embodiment of the present invention, and is a diagram showing a refrigerator provided with a transparent window on the external door.
FIG. 11 is a diagram illustrating a refrigerator according to another embodiment of the present invention, in which the external door is entirely formed in the form of a transparent window.

Hereinafter, preferred embodiments according to the present invention will be described in detail.

FIG. 1 is a diagram illustrating a refrigerator according to an embodiment of the present invention with both the inner and outer doors closed, and FIG. 2 is a diagram illustrating a state in which the inner and outer doors of the refrigerator of FIG. 1 are opened separately. is a diagram illustrating, FIG. 3 is a diagram illustrating only the outer door of the refrigerator in FIG. 1 in an open state, and FIG. 4 is a diagram illustrating an inner door of the refrigerator in FIG. 1 in an open state.

1 to 4, the refrigerator 1 according to an embodiment of the present invention includes a main body 10, storage compartments 20 and 30 provided inside the main body 10, and storage compartments 20 and 30. It includes a cold air supply device that supplies cold air to.

The main body 10 is formed in a substantially box shape, and includes an inner case 11 forming storage compartments 20 and 30, an outer case 12 that is coupled to the outside of the inner case 11 to form an exterior, and an inner case 11. It includes an insulating material provided between the outer box (12). The inner case 11 may be made of a resin material, and the outer case 12 may be made of a metal material.

The cold air supply device includes a compressor (not shown), a condenser (not shown), an expansion valve (not shown), and an evaporator (not shown), and can generate cold air by circulating refrigerant and using latent heat of evaporation. .

The storage compartments 20 and 30 may be divided into a freezer compartment 20 on the left and a refrigerator compartment 30 on the right by an intermediate wall 14. However, the positions of the freezer compartment 20 and the refrigerator compartment 30 may be changed. The refrigerating compartment 30 is equipped with a shelf 31 on which food can be placed.

The freezer compartment 20 and the refrigerator compartment 30 each have an open front so that food can be placed in and out. The open front of the freezer compartment 20 can be opened and closed by the freezer door 21, and the refrigerator compartment 30 can be opened and closed. The front can be opened and closed by a double door consisting of an outer door 100 and an inner door 200. As shown in the drawing, the freezer door 21 is formed as a single door, but the freezer door 21 may also be formed as a double door.

The freezer door 21 may be rotatably coupled to the main body 10 by an upper hinge member 51 and a lower hinge member (not shown). The outer door 100 and the inner door 200 may also be rotatably coupled to the main body 10 by an upper hinge member 52 and a lower hinge member (not shown). In particular, the outer door 100 may be arranged to be rotatable relative to the inner door 200.

At this time, although not specifically shown, the outer door 100 and the inner door 200 may have different rotation axes or may share one rotation axis.

The freezer door 21, the outer door 100, and the inner door 200 may have a handle 22, a handle 101, and a handle 201, respectively.

Meanwhile, the inner door 200 includes an opening 210 whose size roughly corresponds to the size of the refrigerating compartment 30, and a door frame 220 forming the opening 210. Accordingly, the door frame 220 may have a substantially rectangular frame shape.

The opening 210 is provided with a plurality of door guards 40 capable of storing food. The door guard 40 can store food that is generally low in height and small in size, or food that is frequently put in and out. A plurality of door guards 40 may be arranged in a row in the opening 210 in the vertical direction.

A control unit 700 capable of controlling the environment inside the storage rooms 20 and 30 is disposed on the inner door 200. The control unit 700 includes a display unit 712 that displays environmental information such as temperature, humidity, odor, and illumination inside the storage room, and a control unit for temperature control, humidity control, deodorization, illumination setting, power saving setting, and operation lock setting, etc. 711).

Although not shown in the drawing, the control unit 700 may also be placed on the freezer door 21 formed as a single door. The external door 100 does not have an opening and may have a substantially flat shape. Accordingly, the outer door 100 can open and close the opening 210 of the inner door 200.

Looking at the operation of using the inner door 200 and the outer door 100 according to an embodiment of the present invention having this configuration, as shown in FIG. 1, when the inner door 200 and the outer door 100 are closed, the refrigerator compartment (30) is sealed and the cold air in the refrigerating compartment (30) can be preserved.

As shown in FIG. 3, when the inner door 200 is closed and only the outer door 100 is opened, the user can access the plurality of door guards 40 and place food in and out of the plurality of door guards 40. . At this time, the outflow of cold air from the refrigerating compartment 30 can be suppressed compared to the state in which the inner door 200 is open.

In addition, since the control unit 700 is not installed in the storage room but on the inner door 200, if only the outer door 100 is opened while the inner door 200 is closed, the user can access the control unit 700. By accessing it, the internal environment of the storage room (20, 30) can be adjusted. Even at this time, the outflow of cold air from the refrigerating compartment can be suppressed compared to the state in which the inner door 200 is open.

As shown in FIG. 4 , when the inner door 200 is opened, the user can access the inside of the refrigerating compartment 30 to deposit and withdraw food stored on the shelf 31 . Of course, at this time, food may be placed in and out of the plurality of door guards 40 by approaching the plurality of door guards 40 .

In this way, the refrigerator 1 according to an embodiment of the present invention can put food in and out in a variety of ways according to the user's needs, and when putting in and out food stored in the plurality of door guards 40, the external door 100 Since it only needs to be opened, the outflow of cold air can be minimized.

Moreover, the door guard 40 of the refrigerator 1 according to an embodiment of the present invention has an expanded storage space compared to the prior art, so the effect of increasing the variety of food storage and reducing cold air leakage can be greater.

In addition, since the control unit 700 of the refrigerator 1 according to an embodiment of the present invention is installed on the inner door 200, the control unit 700 is not visible when the outer door 100 is closed, resulting in a clean and attractive appearance. When changing the environmental settings inside the storage compartments 20 and 30, only the external door 100 needs to be opened, thereby minimizing the outflow of cold air, and the display unit 712 of the control unit 700 displays the external door (100). 100) lights up only when open, so power consumption can also be reduced.

The specific configuration of the inner door 200, the outer door 100, and the control unit 700 of the refrigerator 1 according to an embodiment of the present invention will be described in detail below.

FIG. 5 is a diagram showing the inner door and door guard of the refrigerator of FIG. 1, FIG. 6 is an exploded perspective view showing the configuration of the inner door of the refrigerator of FIG. 1, and FIG. 7 is a view of the inner door of the refrigerator of FIG. 1. This is an exploded perspective view from different angles showing the composition of . FIG. 8 is an exploded perspective view showing the control unit disposed on the inner door of the refrigerator of FIG. 1, and FIG. 9 is a cross-sectional view of a portion of the inner door of the refrigerator of FIG. 1.

As best shown in FIG. 5, the door guard 40 may have a substantially box shape. Therefore, the door guard 40 includes a front wall 41, a rear wall 42, a left wall 43, a right wall 44, a bottom wall 45, and a storage space for storing food ( 46). A support groove 47 may be formed on the left wall 43 and the right wall 44 of the door guard 40.

The inner door 200 includes an inner wall 310 provided on both sides of the opening 210 to support the door guard 40, and the inner wall 310 has a support groove 46 of the door guard 40. The support protrusion 330 inserted into may protrude.

Accordingly, the door guard 40 can be mounted in the opening 210 by inserting the support protrusion 330 into the support groove 47. This door guard 40 may be removed from the opening 21, and although not shown, the door guard 40 may be provided to be able to slide in the front-back or up-down direction.

Meanwhile, as well shown in FIG. 6, the inner door 200 has an inner plate 300 and an outer plate that is coupled to the inner plate 300 and has a foam space 500 (FIG. 9) formed between the inner plate 300 and the inner door 200. (400), a plurality of installation members 600 coupled to the rear of the inner plate 300 and installed with a gasket 650 (FIG. 9), and a plurality of reinforcing members 910 and 920 to prevent distortion of the inner door 200. It may be composed of a door trim 800 coupled between the end of the inner plate 300 and the end of the outer plate 400 to prevent the foaming liquid foamed in the foaming space 500 from leaking to the outside.

The inner plate 300 includes an upper frame 301, a lower frame 302, a left frame 303, and a right frame 304, and may be integrally injection molded from a resin material.

The outer plate 400 may be formed of a metal material and may include an upper frame 401, a lower frame 402, a left frame 403, and a right frame 404.

The inner plate 300 includes a pair of inner walls 310 provided on both sides of the opening 210. The inner wall 310 may form the opening 210 and support the door guard 40 at the same time.

Meanwhile, the door guard 40 may be arranged so that its front wall 41 approximately touches the outer door 100 side of the opening 210 so as to form a portion of the front of the inner door 200, and the door guard The front wall 41 of 40 may be fully exposed without being obscured by the inner door 200.

With this structure, the door guard 40 occupies the entire area of the opening 210, and the size of the door guard 40 can be maximized. In addition, since the door guard 40 is completely exposed when looking at the door guard 40 from the outside of the inner door 200, the state of the food stored in the door guard 40 can be easily ascertained.

Meanwhile, the door guard 40 of the refrigerator according to the embodiment of the present invention may be provided in the opening 210 of the inner door 200 and not on the rear of the outer door 100.

The outer door 100 may include an outer door inner plate 130, an outer door outer plate 120, and an insulation material provided between the outer door inner plate 130 and the outer door outer plate 120.

The outer door inner plate 130 may be vacuum-formed from a resin material, and the outer door outer plate 120 may be made of a metal material.

Meanwhile, the plurality of installation members 600 are intended to enable the gasket 650 to be installed on the inner plate 300 while minimizing the use of complex molds such as slide cores when injection molding the inner plate 300. ) is joined to the rear border of the

As well shown in FIGS. 6 and 7, the plurality of installation members 600 include a first installation member 601 coupled to the upper frame 301 of the inner plate 300, and a lower frame of the inner plate 300 ( The second installation member 602 coupled to the inner plate 300, the third installation member 603 coupled to the left frame 303 of the inner plate 300, and the third installation member 603 coupled to the right frame 304 of the inner plate 300. 4 It may include an installation member 604.

At this time, the first installation member 601, the second installation member 602, the third installation member 603, and the fourth installation member 602 are not connected to each other but are provided to be spaced apart by a predetermined distance (G). You can. Accordingly, the first installation member 601, the second installation member 602, the third installation member 603, and the fourth installation member 602 can be prevented from interfering with each other due to thermal expansion.

As shown in FIG. 8, the control unit 700 transmits a control signal according to the user's input and may include a circuit board 710 that can display internal environmental information of the storage compartments 20 and 30. . Specifically, the operating unit 711 of the circuit board 710 may recognize a user's input, and the display unit 712 may display environmental information inside the storage compartments 20 and 30.

The circuit board 710 may further include a lock setting function to prevent erroneous operation of the operation unit 711 and a power saving setting function for power saving operation of the refrigerator. With the recent development of mobile communication, the circuit board 710 may further include a lock setting function to prevent erroneous operation of the operation unit 711, and a power saving setting function for power saving operation of the refrigerator. It may further include a wireless communication function that allows the refrigerator's settings to be manipulated wirelessly.

The circuit board 710 may be accommodated inside the housing 730 and fixed by the cover 720. The cover 720 may include a coupling hook 723 for coupling with the housing 730, and the housing 730 may include a hook catch portion 731 for coupling with the defect hook 723 of the cover. You can.

The cover 720 covering the circuit board 710 of the control unit 700 has an opening 722 provided to expose the button portion 721 and the display portion 712 that act on the operation portion 711 of the circuit board 710. It can be included. The user can input desired settings into the manipulation unit 711 of the circuit board 710 by pressing the button unit 721. Since the display portion 712 of the circuit board 710 is exposed through the opening 722 of the cover 720, even if the cover 720 is covered with the circuit board 710, the user cannot view environmental information, etc. displayed on the display portion 712. You can check it.

The control unit 700 may be disposed in the space between the outer panel 400 and the inner panel 300 of the inner door 200 and mounted on the outer panel 400. The outer panel 400 of the inner door 200 may include an upper frame 401, a lower frame 402, a left frame 403, and a right frame 404, at least one of which includes a control unit 700. A mounting portion 410 may be provided for mounting.

The housing 730 of the control unit 700 may include a coupling hook 732 so as to be coupled to the mounting portion 410, and the housing 730 may be used to connect a cable to the circuit board 710 accommodated therein. It may include a cable connection portion 733.

The mounting portion 410 may include a hook engaging portion 412 that can be coupled to the housing 730 and the coupling hook 732, and has an opening so that the cover 720 of the control unit 700 can be exposed. 412) may be included.

The control unit 700 may further include a light transmitting member 740 for finishing the cover 720. Since the light transmitting member 740 is the outermost component of the control unit 700, it can have an aesthetic function as well as a function of preventing foreign substances from penetrating into the control unit 700. Therefore, not only the function of the button portion 721 can be printed on the light transmitting member 740 at a position corresponding to the button portion 721 of the cover 720, but also other design elements can be printed.

The light transmitting member 740 may be made of a material that allows light displayed on the display portion 712 of the circuit board 710 to pass through, and may be made of a flexible resin material to press the button portion 721. An adhesive layer can be formed on the back of the light transmitting member 740 and attached to the cover 720.

Meanwhile, the door trim 800 is designed to prevent the foaming liquid in the foam space 500 between the inner plate 300 and the outer plate 400 from leaking to the outside. As shown in FIG. 9, the inner plate 300 It may include an insertion groove into which the end 311 of the inner wall 310 is closely inserted, and an insertion groove into which the end 405 of the outer plate 400 is closely inserted. Additionally, a coupling groove into which the coupling protrusion 406 of the outer panel 400 is inserted may be formed to strengthen the coupling force between the door trim 800 and the outer panel 400.

The foaming process of the inner door 300 including the door trim 800 is as follows.

First, the control unit 700 is placed on the mounting portion 410 of the outer panel 400. The housing 730 and the outer plate 400 of the control unit 700 are sealed to prevent the foaming liquid from penetrating. In addition, the cable connection portion 733 provided to connect the cable to the circuit board 710 accommodated inside the housing 730 is also sealed.

Next, after preliminary combining the inner plate 300, the outer plate 400, and the door trim 800, place the inner plate 300 facing the floor and the outer plate 400 facing upward, using a fixing jig (not shown). The inner plate 300 and the outer plate 400 are pressed in the vertical direction (F).

Then, the foaming liquid is injected and foamed into the foaming space 500 formed between the inner plate 300 and the outer plate 400. At this time, since the inner plate 300 and the outer plate 400 are pressurized in the vertical direction, the inner plate 300 and the outer plate 400 do not spread due to the foaming pressure in the vertical direction, and thus the foaming liquid may not leak in the vertical direction. .

In addition, since the door trim 800 firmly holds the ends of the inner plate 300 and the outer plate 400, the inner plate 300 and the outer plate 400 do not open and the foaming liquid does not leak even when foaming pressure is applied in the left and right directions. It may not be possible.

If there is no door trim 800, even if the inner plate 300 and the outer plate 400 on the opening side overlap each other, the gap between them may widen due to foaming pressure and the foaming liquid may leak.

When the foaming liquid foamed in the foam space formed between the inner plate 300 and the outer plate 400 is completed, the inner plate 300, the outer plate 400, and the door trim 800 are firmly formed by the adhesive force of the foam liquid itself. It can be coupled, and the control unit 700 can also be more firmly coupled to the outer panel 400.

Meanwhile, the inner door 200 of the refrigerator 1 according to the spirit of the present invention has an opening 210 and is therefore vulnerable to distortion. Additionally, during the foaming process of the inner door 200, distortion may occur due to foaming pressure or the inner wall 310 may not be formed evenly. To compensate for this, a plurality of reinforcing members 910 and 920 may be provided on the inner door 200.

The plurality of reinforcing members 910 and 920 includes a first reinforcing member 910 connecting the left frame 303 of the inner plate 300 and the right frame 304 of the inner plate 300 across the opening 210, and an inner plate A second frame provided on the upper frame 301 of 300, the lower frame 302 of the inner plate 300, the left frame 303 of the inner plate 300, and the right frame 304 of the inner plate 300. It may include a reinforcing member 920.

The second reinforcing member 920 has an upper reinforcing portion 921, a lower reinforcing portion 922, a left reinforcing portion 923, and a right reinforcing portion 924 and may be provided in a substantially rectangular frame shape. The second reinforcing member 920 may be integrally formed of a rigid metal material.

As shown in FIG. 9, a receiving space 350 in which the second reinforcing member 920 is accommodated and a hook portion 351 for fixing the second reinforcing member 920 may be formed in the inner plate 300. . Accordingly, the second reinforcing member 920 may be coupled to the inner plate 300 and disposed between the inner plate 300 and the outer plate 400. Accordingly, the second reinforcement member 920 may not be exposed to the outside.

The second reinforcing member 920 may be fixed to the inner plate 300 before the foaming liquid is foamed in the foaming space formed between the inner plate 300 and the outer plate 400.

The first reinforcing member 910 directly connects the relatively long left frame 303 of the inner plate 300 and the right frame 304 of the inner plate 300 across the opening 210 to form the inner door 200. ) prevents distortion of the inner plate 300, and the second reinforcing member 920 includes the upper frame 301 of the inner plate 300, the lower frame 302 of the inner plate 300, the left frame 303 of the inner plate 300, and , is provided on the right frame 304 of the inner plate 300 to prevent distortion of the inner door 200 through reinforcement on four sides.

However, in the embodiment of the present invention, both the first reinforcing member 910 and the second reinforcing member 920 are provided, but if necessary, one of the first reinforcing member 910 and the second reinforcing member 920 may be used. Only reinforcing members may be provided.

Figure 10 is a diagram showing a refrigerator according to another embodiment of the present invention, and is a diagram showing a refrigerator provided with a transparent window on the external door.

Referring to FIG. 10, the external door 100 of the refrigerator 1 may be provided with a viewing window 750 so that the display unit 712 of the control unit 700 can be checked while the external door 100 is closed. The viewing window 750 is provided at a position corresponding to the position of the control unit 700 disposed on the inner door 200 when the outer door 100 is closed, and the outer plate 120 and the inner plate ( 130) is prepared to penetrate all of them.

When the control unit 700 is manufactured using a capacitive touch panel, the viewing window 750 may be formed of a conductive material so that the control unit 700 can be operated even when the external door 100 is closed.

FIG. 11 is a diagram illustrating a refrigerator according to another embodiment of the present invention, and is a diagram illustrating a refrigerator in which an external door is formed entirely in the form of a transparent window.

Referring to FIG. 11, the outer door 100 may be made of a transparent or translucent material so that the control unit 700 can be checked with the outer door 100 closed, as well as the inside of the refrigerating compartment 30. there is. As shown in FIG. 11, the entire outer door 100 may be made of a transparent or translucent material, and a portion of the outer door 100 may be made of a transparent or translucent material.

Specifically, both the outer panel 120 and the inner panel 130 of the external door 100 are formed of transparent or translucent plates 140, such as glass, and may include an insulating layer such as an air layer between the plates. Additionally, it may be formed as a single transparent plate 140.

When the control unit 700 is manufactured using a capacitive touch panel, the transparent plate 140 may be made of a conductive material so that the control unit 700 can be operated even when the external door 100 is closed.

The scope of the present invention is not limited to the specific embodiments described above. Various other embodiments that can be modified or modified by those skilled in the art without departing from the gist of the technical idea of the present invention as specified in the patent claims will also fall within the scope of the present invention.

1: refrigerator 10: main body
11: Internal injury 12: External injury
14: middle wall 20: freezer
21: Freezer door 22: Freezer door handle
30: Refrigerator 31: Shelf
40: Door guard 41: Front wall
42: rear wall 43: left wall
44: Right wall 45: Bottom wall
46: storage space 47: support groove
51,52: Hinge member 100: External door
101: External door handle 120: External door shell
130: outer door inner plate 140: outer door transparent plate
200: inner door 201: inner door handle
210: opening 220: door frame
300: inner plate 301: upper frame
302: lower frame 303: left frame
304: Right frame 310: Inner wall
311: End of inner wall 330: Support projection
350: Accommodating space 351: Hook portion
400: outer panel 401: upper frame
402: lower frame 403: left frame
404: Right frame 405: End of outer plate
406: Coupling protrusion 410: Mounting portion
411: Opening of mounting part 412: Hook holding part
500: foam space 520: upper cap
530: lower cap 600: installation member
601, 602, 603, 604: 1st, 2nd, 3rd, 4th installation members
650: Internal gasket 700: Control unit
710: Circuit board 711: Control panel
712: Display unit 720: Cover
721: Button portion 722: Opening portion
723: Combination hook 730: Housing
731: Hook catching portion 732: Combined hook
733: cable connection 740: light transmitting member
750: View window 800: Door trim
910: first reinforcing member 920: second reinforcing member
F: Jig pressurizing direction G: Interval

Claims (8)

main body;
a storage compartment formed in the main body;
An inner door rotatably coupled to the main body, the inner door including a frame forming an opening and a mounting portion provided on the frame;
A door guard mounted on the inner door and capable of storing food;
A control unit coupled to the mounting unit, the control unit including a display unit that displays information about the storage compartment; and
An outer door is provided to be rotatable relative to the inner door and includes at least a portion made of a transparent or translucent material,
When the inner door and the outer door are closed, the door guard is provided to be visible to the outside through at least a portion of the outer door made of a transparent or translucent material and the opening, and the display portion is transparent to the outer door. or is arranged to be visible to the outside through at least a portion formed of a translucent material,
The refrigerator is provided so that when the inner door is opened while the inner door and the outer door are closed, the outer door and the control unit rotate together with the inner door. According to paragraph 1,
The control unit is,
A circuit board including a control unit; and
A refrigerator including a housing mounted on the mounting unit and accommodating the circuit board. According to paragraph 2,
The control unit is
A refrigerator comprising a cover that covers the circuit board and includes a button portion for inputting settings to the operation panel. According to paragraph 1,
A refrigerator in which at least a portion of the outer door made of a transparent or translucent material is provided so that food stored in the door guard is visible to the outside. According to paragraph 1,
The control unit is configured to control at least one of temperature, humidity, odor, and lighting of the storage compartment. According to paragraph 1,
The frame includes an upper frame, a lower frame, a left frame, and a right frame forming the opening,
A refrigerator wherein the mounting unit is disposed on at least one of the upper frame, the lower frame, the left frame, and the right frame. According to paragraph 1,
The inner door includes an inner plate, an outer plate with a space formed between the inner plate, and an insulation material foamed in the space,
The control unit is a refrigerator disposed between the inner plate and the outer plate. According to paragraph 3,
The refrigerator includes a cable connection portion for connecting a cable to the circuit board.