WO2024147495A1 - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator comprising: a cabinet forming a storage space; a main control unit provided in the cabinet; a door that opens/closes the storage space; a display device provided on the door and connected to the main control unit; and electrical components provided in the door, wherein the display device is connected to the main control unit by a main wire passing through the door, and at least one of the electrical components is connected to the display device by a sub wire and receives power and signals from the main control unit through the display device.

Description

refrigerator

The present invention relates to refrigerators.

In general, home appliances are electrical appliances used at home and may include washing machines, refrigerators, etc.

Typically, a refrigerator is a home appliance that allows food to be stored at low temperature in an internal storage space shielded by the refrigerator door. It cools the inside of the storage space using cold air generated through heat exchange with the refrigerant circulating in the refrigeration cycle. This allows the stored food to be stored in optimal condition.

Refrigerators are gradually becoming larger and more multi-functional in accordance with changes in eating habits and the trend toward higher quality products, and refrigerators equipped with various structures and convenience devices that take user convenience into consideration are being released.

The door of the refrigerator may be equipped with a number of electrical components that perform various functions, and components such as a display that displays the operation of the refrigerator may be placed to increase user convenience.

However, as the number of electrical components in the door increases, the number of wires connected to power and control them increases. Therefore, there is a problem of poor assembly and productivity.

Additionally, the wires extend from the door to the main body, and as the number of wires increases, there is a problem of the wires being disconnected when the door is opened or closed.

In addition, in order for a large number of wires to be exposed to the outside of the door, the size of the door opening becomes large, which causes problems in that the appearance is impaired or an additional shielding structure is required.

The purpose of an embodiment of the present invention is to provide a refrigerator that can minimize the number of wires between the door and the cabinet.

The purpose of an embodiment of the present invention is to provide a refrigerator in which electrical components inside the door can be connected using a display device provided on the door.

The purpose of an embodiment of the present invention is to provide a refrigerator in which wires can be connected to electrical components inside the door at the top of the door.

A refrigerator according to an embodiment of the present invention includes a cabinet forming a storage space; a main control unit provided in the cabinet; a door that opens and closes the storage space; a display device provided on the door and connected to the main control unit; and electrical components provided in the door, wherein the display device is connected to the main control unit by a main wire passing through the door, and at least one of the electrical components is connected to the display device by a sub-wire. Thus, power and signals can be provided from the main control unit through the display device.

The number of main wires may be smaller than the number of sub wires.

The display device includes: a display; PCB for controlling the display; a main connector provided on the PCB and to which the main wire is connected; and a sub connector provided on the PCB to which the sub wire is connected.

The number of sub-connectors may be greater than the number of main connectors.

The main connector may be composed of a single number, and the sub-connectors may be composed of a plurality.

A hinge device connected to the cabinet is provided at the top of the door, the main connector and the sub-connector are both provided at the top of the PCB, and the main wire can be guided along the hinge device.

The door includes a front panel forming a front surface; a door liner disposed at the rear, spaced apart from the front panel, and forming a rear side; a frame connecting the front panel and the door liner; and an insulation material filled in the space between the front panel, the door liner, and the frame, wherein the display device is mounted on the frame, and the main wire and the sub wire can be connected to the display device in the frame. .

The frame includes a first surface in contact with the front panel, a second surface extending rearward at a lower position than the top of the first surface, and coupled to the door liner, and the display on the second surface. A recessed display mounting portion may be formed for insertion of the device.

The display device protrudes more upward than the display mounting portion, and the main wire and sub wire may be connected to the top of the display device exposed to the outside of the frame.

The frame may be provided with a frame cover that shields the display device, main wires, and sub wires.

A hinge mounting portion on which a hinge device connected to the cabinet is mounted is formed in the frame, and an opening is formed in the frame cover to communicate with the hinge mounting portion, and an electric wire opening through which the main electric wire enters and exits may be formed.

The hinge mounting portions are formed on both left and right sides of the frame, and the wire openings are formed on both sides of the frame cover to communicate with the hinge mounting portions on both sides, respectively.

The front panel is made of glass, and the display device can be arranged to be visible through the front panel.

The electrical component may be at least one of a knock detection device that detects a knocking operation of the door, a detection switch that detects opening of the door, a communication device for wireless communication, and a sensor device.

The electrical component is a heater provided in the door to generate heat to prevent condensation, and the heater can be directly connected to the main control unit through a heater wire.

The electrical component is a door light provided on the door to illuminate the rear space of the door, and the door light can be directly connected to the main control unit by a light wire.

The door light includes a plurality of boards on which LEDs are mounted, and the light wire connects a main signal line connected to one of the plurality of boards and the plurality of boards to receive a signal input to the main signal line. It may include a sub-signal line that transmits.

The door lights are comprised of a plurality of light wires, and the light wires include a plurality of first light wires each connected to the plurality of door lights; and a second light wire connected to the main control unit, wherein the plurality of first light wires may be combined by a light connector on the inside of the door and then connected to the second light wire.

The main wire includes a first main wire connected to the display device and a second main wire connected to the control unit, and the first main wire and the second main wire can be connected to each other by a connection connector inside the door. there is.

The following effects can be expected from the refrigerator according to the proposed embodiment.

In the refrigerator according to an embodiment of the present invention, even when a large number of electrical components are placed inside the door, the number of wires going in and out of the door can be reduced, improving assembly efficiency and reducing manufacturing costs. You can expect it.

By having a structure in which a number of electrical components provided inside the door are connected to a display device connected to the control unit, it is possible to control a number of the electrical components simply by connecting the control unit and the display device, thereby further improving assembly. There is an advantage.

By minimizing the number of wires passing through the door and heading toward the cabinet, the exposure of the wires can be minimized and the entrance structure of the wires can be simplified to improve the appearance.

In addition, by minimizing the number of wires passing through the door and heading to the cabinet, damage to the wires during the opening and closing operation of the door can be prevented.

In addition, the multiple electrical components inside the door and the heater door light can be connected or separated by connecting or disconnecting multiple wires from the frame at the top of the door, which has the advantage of improving serviceability as well as assembly. there is.

Additionally, there is an advantage in that the number of signal lines flowing into the door can be reduced by connecting the main signal line to one of the multiple boards that make up the door light and connecting the sub signal lines between the multiple boards.

1 is a perspective view of a refrigerator according to a first embodiment of the present invention.

Figure 2 is a perspective view of the refrigerator seen from the rear.

Figure 3 is a perspective view of the refrigerator with the door open.

Figure 4 is an enlarged view of part A of Figure 3.

Figure 5 is an exploded perspective view of the upper part of the door seen from the front.

Figure 6 is an exploded perspective view of the upper part of the door seen from the rear.

Figure 7 is an exploded perspective view of the display device of the refrigerator.

Figure 8 is a diagram showing the wire connection state at the top of the door.

Figure 9 is a diagram showing the wire arrangement of the door.

Figure 10 is a diagram showing the wire connection state of the door and cabinet.

Figure 11 is a diagram schematically showing the wire connection state of the refrigerator according to the second embodiment of the present invention.

Figure 12 is a perspective view of a refrigerator according to a third embodiment of the present invention.

Figure 13 is a diagram schematically showing the wire connection state of the refrigerator.

Figure 14 is a perspective view of a refrigerator according to a fourth embodiment of the present invention.

Figure 15 is a diagram schematically showing the wire connection state of the refrigerator.

Figure 16 is a diagram schematically showing the wire connection state of the refrigerator according to the fifth embodiment of the present invention.

Figure 17 is a perspective view of a clothing treatment device according to a sixth embodiment of the present invention.

Figure 18 is a diagram showing the connection state of the main PCB, sub PCB, and electrical components when the door of the clothes processing device is open.

Figure 19 is a perspective view of a clothing treatment device according to a seventh embodiment of the present invention.

Figure 20 is a diagram showing the connection state of the main PCB, sub PCB, and electrical components when the door of the clothes processing device is open.

Hereinafter, specific embodiments of the present invention will be described in detail along with the drawings. However, the present invention cannot be said to be limited to the embodiments in which the idea of the present invention is presented, and other inventions that are regressive or other embodiments included within the scope of the present invention can be easily developed by adding, changing, or deleting other components. can be suggested.

Before explaining, define the direction. In an embodiment of the present invention, the direction in which the front of the door shown in Figure 1 faces is forward, the direction toward the cabinet based on the front of the door is backward, the direction toward the floor where the refrigerator is installed is downward, and the direction toward the floor where the refrigerator is installed is downward. The direction can be defined as upward.

1 is a perspective view of a refrigerator according to a first embodiment of the present invention. And, Figure 2 is a perspective view of the refrigerator seen from the rear. And, Figure 3 is a perspective view with the door of the refrigerator open. And, Figure 4 is an enlarged view of portion A of Figure 3.

As shown in the drawing, the refrigerator 1 according to an embodiment of the present invention may include a cabinet 10 forming a storage space and a door 20 opening and closing the storage space.

The cabinet 10 may be divided into upper and lower storage spaces. The storage space may be composed of a first storage compartment 11 and a second storage compartment 12 disposed below the first storage compartment 11. For example, the first storage compartment 11 may be a refrigerator compartment, and the second storage compartment 12 may be a freezer compartment.

The cabinet 10 may include a control unit 15 that controls the operation of the refrigerator 1. As an example, the control unit 15 may be placed on the upper rear surface 14 of the cabinet 10. The control unit 15 may be called a main control unit main PCB or main PCB.

and. A magnet 101 for detecting the door switch 43 provided on the first door 201 may be placed on the front of the cabinet 10.

The door 20 may include a first door 201 that opens and closes the first storage compartment 11 and a second door 202 that opens and closes the second storage compartment 12. For example, the first door 201 may be a refrigerator door, and the second door 202 may be a freezer door.

The first door 201 and the second door 202 may be rotary doors that open and close the first storage compartment 11 and the second storage compartment 12 by rotation. Additionally, the first door 201 may be connected to the cabinet 10 by a hinge device 16. When the first door 201 is closed, the top of the first door 201 may be at a height corresponding to the top of the cabinet 10.

The hinge device 16 may be provided on the front of the cabinet 10 and may protrude forward. A hinge axis 162 may protrude from the front end of the hinge device 16, and the hinge axis 162 is inserted into the upper and lower sides of the first door 201 to rotate the first door 201. It can be an axis.

Meanwhile, a hinge mounting portion 253 on which the hinge device 16 is mounted may be formed at the top of the first door 201. The hinge mounting portion 253 may be formed on the upper frame 25 forming the upper surface of the first door 201. A hinge hole 253A into which the hinge shaft 162 is inserted may be formed in the hinge mounting portion 253. Additionally, the hinge mounting portion 253 may be recessed to accommodate the protruding hinge device 16 when the first door 201 is closed.

In addition, the main wire 50 connected to the display device 30 provided in the first door 201 can be accessed at the top of the first door 201. The main wire 50 can enter and exit the hinge mounting part 253. Also, the main wire 50 coming out of the hinge mounting part 253 can be guided to the cabinet 10 along the hinge device 16.

For example, the hinge device 16 includes a hinge body 161 extending from the cabinet 10, a hinge shaft 162 protruding from the hinge body 161 and axially coupled to the first door 201, and It may include a hinge cover 163 that accommodates the hinge body 161. Then, an opening 164 is formed in the hinge cover 163, and the main wire 50 flows into the inside of the hinge cover 163 through the opening 164 and is guided inside the cabinet 10. It can be. And, the main wire 50 guided inside the cabinet 10 may be connected to the control unit 15.

Panel assemblies 21 and 22 that enable visibility into the storage space may be disposed on the first door 201. Through the panel assembly, the user can view food stored in the storage space or the door basket 203 on the back of the first door 201. The panel assembly may be selectively transparent by turning on and off the door light 27, which will be described below. For example, the panel assembly may include a front panel 21 forming the front of the first door 201 and a rear panel 22 disposed behind the front panel 21. Additionally, an insulating space may be formed between the front panel 21 and the rear panel 22.

The first door 201 may be equipped with a display device 30. The display device 30 may be shielded by the panel assembly and may be configured to be visible through the panel assembly. The display device 30 may be placed adjacent to the top of the first door 201.

The display device 30 may display the operating status of the refrigerator 1 as well as output various information. Additionally, the display device 30 may be configured to enable touch operation. Accordingly, selection of information and selection of an output method may be possible through the display device 30. Additionally, the operation of the refrigerator can be input and manipulated through the display device 30.

Hereinafter, the structures of the first door 201 and the display device 30 will be examined in more detail with reference to the drawings.

Hereinafter, the description will focus on the first door 201, but the present invention is not limited to the type or location of the door and can be applied to all doors equipped with the display device 30. Hereinafter, the first door 21 may be referred to as the door 21.

Figure 5 is an exploded perspective view of the upper part of the door seen from the front. And, Figure 6 is an exploded perspective view of the upper part of the door seen from the rear. And, Figure 7 is an exploded perspective view of the display device of the refrigerator.

As shown, the door 201 may include a front panel 21 forming the front and a door liner 23 forming the rear.

The front panel 21 may be made of a transparent material such as glass or plastic. The front panel 21 may form the entire front of the door 201 and the front exterior of the door 201. The front panel 21 may have an opaque bezel portion 212 formed around it. The bezel portion 212 may be formed of an opaque material on the back of the front panel 21. For example, the bezel portion 212 may be formed by printing. The bezel portion 212 may be formed in black color.

A transparent portion 211 may be formed inside the bezel portion 212. The transparent portion 211 may be selectively transparent to identify food stored in the storage space or the door basket 203. The transparent portion 211 may not be completely transparent, and may be coated or attached with a film to match the color of the bezel portion 212 without the inside being visible.

Meanwhile, a display transparent part 211 may be formed on the bezel part 212. The display transparent portion 211 may be transparent by partially removing the printing on the bezel portion 212. The display transparent portion 211 may be formed at a position corresponding to the display device 30. Accordingly, the display device 30 can be configured to be visible when the display device 30 is turned on. As an example, the display transparent portion 211 may be formed in a size corresponding to a position corresponding to the display 31 of the display device 30. Additionally, it may be possible for a touch manipulation of the display see-through unit 211 to be transmitted and input to the display device 30.

The door liner 23 may be disposed at the rear, away from the front panel 21. Additionally, a liner opening may be formed in the door liner 23. The liner opening may be formed at a position facing the transparent portion 211, and may be formed to be the same as or larger than the transparent portion 211.

And, the liner opening may be shielded by the rear panel 22. The rear panel 22 may constitute the panel assembly. Accordingly, when the panel assembly is mounted, the front panel 21 forms the front surface of the door 201, and the rear panel 22 shields the liner opening to form a portion of the rear exterior of the door 201. can do.

A gasket 231 may be provided around the rear of the door liner 23. Additionally, the door liner 23 may be provided with a door light 27. The door light 27 is disposed on both left and right ends of the liner opening and may extend vertically. For example, the door light 27 may be configured to have a plurality of LEDs disposed on the substrate 277. When the door light 27 is turned on, it can illuminate the transparent unit 211 from both left and right sides, and thus the space behind the transparent unit 211 can be visualized.

A door basket 203 may be mounted on the door liner 23. The door basket 203 may be positioned in the inner area of the transparent portion 211, and both left and right ends may be fixed to the door liner 23.

The door 201 may further include a frame connecting the front panel 21 and the door liner 23. The frame may form at least a portion of the peripheral surface of the door 201. Also, the display device 30 can be mounted on the frame.

As an example, the frame may include a side frame 24 that forms both left and right sides of the door, and an upper frame 25 and a lower frame that form the upper and lower surfaces of the door 201.

The upper frame 25 may be connected to the front panel 21, the door liner 23, and the side frame 24. A space may be formed between the front panel 21, the door liner 23, the upper frame 25, and the lower frame, and the space may be filled with an insulating material.

The upper frame 25 connects the top of the front panel 21 and the top of the door liner 23, and may be formed to be stepped. As an example, the upper frame 25 has a first surface 251 in contact with the front panel 21, a second surface extending from the bottom of the first surface 251 and connected to the door liner 23. It may include (252).

The first surface 251 is coupled to the rear of the front panel 21 and can support the front panel 21 from the rear. Additionally, the second surface 252 may extend rearward from the bottom of the first surface 251. The first surface 251 and the second surface 252 may intersect each other perpendicularly.

The hinge mounting portion 253 may be formed on both left and right ends of the upper frame 25. The hinge mounting portion 253 may be formed on both left and right sides of the second surface 252. The hinge mounting portion 253 may be formed to have the same structure on both left and right sides, and the hinge device 16 may be mounted on the hinge mounting portion 253 on one of the two sides. Therefore, the rotation direction of the door 201 may be determined depending on the coupling position of the hinge device 16. Additionally, a mounting portion cover 264 may be mounted on the hinge mounting portion 253 on one side where the hinge device 16 is not mounted.

A display mounting portion 254 for mounting the display device 30 may be formed on the upper frame 25. The display mounting portion 254 may be recessed in the upper frame 25 and may be opened upward. Accordingly, the display device 30 can be inserted into the display mounting unit 254 from above the upper frame 25.

The display mounting unit 254 may be open across the first surface 251 and the second surface 252 . The display mounting portion 254 may be opened forward and may be shielded by the front panel 21. Also, the display transparent unit 211 may be located inside the display mounting unit 254. Accordingly, when the display device 30 is mounted on the display mounting unit 254, the display device 30 can be naturally positioned on the display viewing unit 211.

The depression depth of the display mounting unit 254 may be smaller than the vertical height of the display device 30. The display device 30 may protrude upward while being mounted on the display mounting unit 254. That is, the top of the display device 30 may protrude more upward than the second surface 252. Additionally, the display device 30 may be configured such that at least the connectors 341 and 342 are exposed to the outside of the upper frame 25 when mounted on the upper frame 25 .

The display device 30 may include a display 31 and a display PCB 34. Additionally, the display device 30 may further include display cases 32 and 33.

The display 31 may be placed at the front of the display device 30 and may be in contact with the rear of the front panel 21. The display 31 may be formed in a size corresponding to the display transparent portion 211. As an example, the display 31 may be composed of an LCD (LCD).

The display PCB 34 is for controlling the display 31 and can be connected to the display 31. The display PCB 34 may be placed behind the display 31 and may be provided inside the display case.

The display PCB 34 may be connected to the control unit 15 and the main wire 50. The display PCB 34 may be called a sub-controller or sub-PCB. Additionally, the display PCB 34 may be provided with a main connector 341 to which the main wire 50 is connected. The main connector 341 can be connected to a plurality of main wires 50 and can be provided as a single main connector.

Meanwhile, the display PCB 34 may be connected to at least some of the electrical components 40 provided inside the door 201 by a sub wire 60. For this purpose, the display PCB 34 may be provided with a sub-connector 342. The sub connector 342 may be connected to a sub wire 60 connected to each of the electrical components 40. There may be a plurality of sub-connectors 342. The number of sub-connectors 342 may correspond to the number of sub-wires 60 connected to the display PCB 34.

The main connector 341 and the sub-connector 342 may be disposed on the same side of the display PCB 34. For example, the main connector 341 and the sub-connector 342 may be placed at the top of the display PCB. Accordingly, when the display device 30 is mounted on the display mounting unit 254, the main connector 341 and the sub connector 342 may be exposed to the upper space of the upper frame 25. Also, the main wire 50 and the sub wire 60 can be easily connected to the main connector 341 and sub connector 342 exposed at the top of the door 201. In particular, even when the display device 30 is mounted on the display mounting unit 254, the main wire 50 and the sub wire 60 can be easily connected.

Additionally, the electrical components 40 may be connected to the control unit 15 through the display PCB 34. That is, the electrical components 40 can be connected to the control unit 15 through the display device 30.

Accordingly, the electrical components 40 do not require wires to be directly connected to the control unit 15. In addition, power and signals transmitted to the display device 30 inside the door 201 through the main wire 50 can be transmitted to the electrical components 40 through the sub wire 60. .

That is, the control unit 15 can control not only the operation of the display device 30 through the main wire 50 but also a plurality of electrical components 40 connected by the sub wire 60. Therefore, even if a plurality of electrical components 40 are provided inside the door 201, the number of main wires 50 passing through the door 201 and heading to the control unit 15 is the sub wire 60. It can be significantly less compared to .

The display case may include a front case 32 and a rear case 33. An accommodating space 321 is formed between the front case 32 and the rear case 33, and the display PCB 34 may be disposed within the accommodating space 321. Additionally, the display 31 may be mounted on the front of the front case 32.

The rear case 33 may be formed with a main connector opening 331 through which the main connector 341 is exposed and a sub-connector opening 332 through which the sub-connector 342 is exposed. Accordingly, even when the display PCB 34 is mounted inside the display case, the main wire 50 and the sub wire 60 can be attached and detached from the main connector 341 and the sub connector 342.

Also, a screw hole 333 may be formed in the rear case 33. The screw hole 333 may pass through the rear case 33 and the front case 32 and be fastened to the upper frame 25. Accordingly, the display device 30 can be fixed while inserted into the upper frame 25.

In addition, the rear case 33 may be further formed with an electrical component mounting portion 334 on which some of the electrical components are mounted. As an example, a communication device 41 may be mounted on the electrical component mounting unit 334. The communication device 41 may be exposed to the space above the upper frame 25 while the display device 30 is mounted on the upper frame 25 . Accordingly, the communication device 41 can facilitate wireless communication with devices outside the door 201. The communication device 41 may be a Wi-Fi module, for example. Additionally, the communication device 41 is provided outside the display case and may be connected to the display PCB 34 and the sub wire 60.

Meanwhile, a wire entrance 255 may be opened in the upper frame 25. The wire entrance 255 allows the sub wire 60 and other wires 270 and 450 connected to the electrical components provided below the upper frame 25 to enter and exit. The wire entrance 255 may be provided on both left and right sides of the upper frame 25, respectively, and may be provided on both sides with respect to the display mounting portion 254. Accordingly, the plurality of sub-wires 60 and other wires 270 and 450 can be allowed to enter and exit through the wire entrance 255 on the side where it is easy to couple with the display device 30.

Additionally, a frame cover 26 may be mounted on the upper frame 25. The frame cover 26 forms the exterior of the top of the door 201 and can shield the upper part of the upper frame 25. That is, the display device 30 disposed on the upper frame 25, as well as the main wire 50 and sub wire 60 connected to the display device 30, and all related components can be shielded.

The frame cover 26 may include a cover top surface 261 and a cover rear surface 262. The cover top surface 261 forms the top surface of the door 201 and may contact the top of the first surface 251 or the top of the front panel 21. In addition, a screw may be fastened to the upper surface of the cover 261, and the screw passes through the upper surface of the cover 261 and is fastened to the second surface 252 of the upper frame 25 to secure the frame cover 26. can be fixed. The back side of the cover 262 extends downward from the rear end of the cover upper surface 261 and may contact the rear end of the second surface 252 or the top of the door liner 23.

Meanwhile, cover depressions 263 may be formed on both sides of the frame cover 26. The cover recessed portion 263 may be formed at a position corresponding to the hinge mounting portion 253 on both left and right sides. Accordingly, when the door is closed with the hinge device 16 installed, a space in which the hinge device 16 and the frame cover 26 do not interfere can be provided. Also, among the cover depressions 263 on both sides, the cover depression 263 where the hinge device 16 is not disposed can be shielded by the mounting portion cover 264.0

The cover depression 263 may form both sides of the frame cover 26. Additionally, a wire opening 265 may be formed on a side of the cover depression 263. The wire opening 265 may be opened so that the frame cover 26 and the hinge mounting portion 253 communicate with each other. Accordingly, the main wire 50 connected to the display device 30 can enter and exit the door 201 through the wire opening 265. In addition, the wire opening 265 is opened at a position adjacent to the end of the hinge device 16 so that the main electric wire 50 can be guided into the hinge device 16 in the shortest distance.

Meanwhile, the electrical components 40 disposed on the door 201 include a knock detection device 42 that detects a knocking operation of the door 201, and a door switch 43 that detects the opening of the door 201. , it may be at least one of various sensor devices such as a communication device 41 for wireless communication and a humidity sensor 44. In addition, the electrical components 40 may further include the door light 27 and the heater 45.

At least some of the electrical components 40 may be provided inside the door 201, that is, inside the space where the insulation material is disposed. Also, at least some of the electrical components 40 may be disposed on the upper frame 25 . Electrical components placed on the upper frame 25 may be shielded by the frame cover 26.

Hereinafter, with reference to the drawings, the arrangement of the electrical components 40 in the door and the arrangement of wires connected to the electrical components 40 and the display device 30 will be examined in more detail with reference to the drawings. Let's take a look.

Figure 8 is a diagram showing the wire connection state at the top of the door. And, Figure 9 is a diagram showing the wire arrangement of the door. And, Figure 10 is a diagram showing the wire connection state of the door and cabinet.

As shown, the main wire 50 may be connected to the main connector 341 of the display device 30. Also, the main wire 50 can connect the control unit 15 and the display PCB 34.

In addition, the main wire 50 may include a first main wire 51 connected to the display PCB 34 and a second main wire 52 connected to the control unit 15. Additionally, the first main wire 51 and the second main wire 50 may be connected to each other by a connection connector 53.

The connection connectors 53 may be connected to each other inside the upper frame 25. The connection connectors 53 may be connected to each other on one side of the cabinet 10. And, in a state where the first main wire 51 is disposed on the door 201 and the second main wire 52 is disposed on the cabinet 10, the door 201 is connected to the cabinet 10. ), the first main wire 51 and the second main wire 52 may be connected to each other by the connection connector 53.

And, among the electrical components 40, the communication device 41, the knock detection device 42, the door switch 43, and the humidity sensor 44 are each connected to the display device 30 by the sub wires 60. ) can be connected to. At this time, the sub wires 60 may pass through the upper frame through the wire entrance 255 and be connected to the display device 30. In addition, the electrical components 40 receive power and signals from the control unit 15 through the display device 30.

As an example, a communication device 41 may be placed on the upper frame 25. The communication device 41 may communicate with an external device, and may be capable of transmitting and receiving operation input and operation information of the refrigerator 1 through an external device. The communication device 41 may be connected to the sub-connector 342 by a communication sub-wire 61. The external device may be a mobile phone.

Additionally, the door 201 may be equipped with a knock detection device 42 that detects a knocking operation on the front panel 21. The on/off operation of the door light 27 can be input by the knock detection device 42. The knock detection device 42 may be in close contact with the front panel 21. Additionally, the knock detection device 42 may be connected to the sub-connector 342 by a knock sub-wire 63.

Additionally, the door 201 may be equipped with a door switch 43 that detects whether the door 201 is opened or closed. The door switch 43 may be provided in a position corresponding to the magnet 101 provided in the cabinet 10. When the doors 201 are comprised of multiple doors, the door switches 43 may be comprised of multiple doors. Additionally, the door switch 43 may be connected to the sub-connector 342 by a switch sub-wire 64.

Additionally, the door 201 may be equipped with a humidity sensor 44. The humidity sensor 44 may be placed on the frame cover 26 and can detect the humidity of the indoor space where the refrigerator 1 is installed. The humidity sensor 44 may be connected to the sub-connector 342 by a humidity sub-wire 62.

In this way, the communication device 41, the knock detection device 42, the door switch 43, and the humidity sensor 44 can be connected to the display PCB 34 through the sub wires 60, and the display Power and control signals may be transmitted through the PCB 34. In addition, the power transmitted to the display device 30 by the main wire 50 and the control signal of the control unit 15 pass through the display PCB 34 and then are transmitted to each of the electrical components 40. It can be.

Meanwhile, the refrigerator 1 may be further equipped with a heater 45. The heater 45 is disposed on the front panel 21 and can prevent condensation from forming on the front panel 21. As an example, the heater 45 may be disposed along the periphery of the transparent portion 211.

A heater wire 450 may be connected to the heater 45. Due to its nature, the heater 45 requires a high voltage to operate, and therefore a wire with a larger capacity than the sub wire 60 may be used. Therefore, the heater wire 450 can be directly connected to the control unit 15, unlike the sub wire 60. Accordingly, the heater wire 450 can be guided to the outside of the upper frame 25 through the wire entrance 255.

The heater wire 450 may include a first heater wire 451 connected to the heater 45 and a second heater wire 452 connected to the connection connector 53. Also, the first heater wire 451 and the second heater wire 452 may be connected to each other by a heater connector 453. The heater connectors 453 may be connected to each other in the space above the upper frame 25. When the heater wire 450 is connected to the connection connector 53, only the connection connector 53 connects the display device 30 and the electrical components 40 as well as the heater 45 to one connector ( It can be connected to the control unit 15 by 53).

Of course, the second heater wire 452 may not be connected to the connection connector 53, but may be separately connected to the control unit 15. At this time, the second heater wire 452 may be guided to the outside of the door 201 through the hinge device 16 and connected to the control unit 15 of the cabinet 10.

The door 201 may be provided with the door light 27. The door light 27 may be provided on both left and right sides of the transparent unit 211. Additionally, the door light 27 may include a board 27 on which an LED is mounted.

The substrate 277 may extend long in the vertical direction, and a plurality of substrates 277 may be arranged consecutively in the vertical direction. As an example, two boards 277 are provided on both left and right sides of the transparent unit 211, and each board 277 can be connected by a light wire 270.

The LED of the door light 27 may be composed of an RGB LED. The door light 27 can output various colors as well as simply turning on and off, and the light wire 270 necessary for this can be connected. Therefore, unlike the sub-wire 60, the light wire 270 is not connected to the display device 30, but can be directly connected to the control unit 15.

Meanwhile, the light wire 270 may include a first light wire 271 connected to the door light 27 and a second light wire 272 connected to the control unit 15. Also, the first light wire 271 and the second light wire 272 may be connected to each other by a light connector 274. The light connectors 274 may be connected to each other in the space above the upper frame 25. When the light wire 270 is connected to the connection connector 53, only the connection connector 53 connects the display device 30 and the electrical components 40 as well as the door light 27 to one connector. It can be connected to the control unit 15 by (53).

Of course, the second light wire 272 may not be connected to the connection connector 53, but may be separately connected to the control unit 15. At this time, the second heater wire 452 may be guided to the outside of the door 201 through the hinge device 16 and connected to the control unit 15 of the cabinet 10.

The light connector 274 may be composed of a plurality, and among the light wires 270, a signal line for controlling the door light 27 and a power line for supplying power can be connected independently. .

The control unit 15 may control each of the door lights 27 disposed on both left and right sides through the light wire 270. Additionally, the light wire 270 may be branched from the light connector 274 to supply signals and power to the door lights 27 on both left and right sides, respectively. Therefore, the number of second light wires 272 passing through the door 201 is kept to a minimum, and the first light wire branches out from the inside of the door 201 to the door lights 27 on both left and right sides. (271) can be placed.

And, a control signal can be transmitted to the plurality of boards 277 that make up the door light 27. Also, signal lines for controlling the plurality of substrates 277 are configured to be minimized.

The light wire 270 may further include a third light wire 273 connected to the substrates 277 . One end of the third light wire 273 may be connected to the first light wire 271 through a board connector 275. The board connector 275 may be provided as a pair corresponding to the door lights 27 on both left and right sides. Also, the other end of the third light wire 273 may be connected to the substrates 277 constituting the door light 27, respectively. The substrates 277 may include an upper left substrate 270a, a lower left substrate 270b, an upper right substrate 270c, and a lower right substrate 270d.

In detail, the third light wire 273 extending from the board connector 275 on one side is connected to the upper left board 270a and the lower left board 270b constituting the light door 201 on the left, respectively. You can. At this time, the signal line 274a extending from the board connector 275 among the third light wires 273 may be connected only to the upper left board 270a. Additionally, the upper left substrate 270a and the lower left substrate 270b may be connected to each other by another signal line 274b. That is, the control signal transmitted from the control unit 15 may be transmitted to the upper left substrate 270a through the signal line 274a and to the lower left substrate 270b through another signal line 274b. The upper left substrate 270a and the lower left substrate 270b may be arranged vertically and vertically in series. Accordingly, the signal line 274b is substantially arranged to be very short, and may be sufficient to connect the upper left substrate 270a and the lower left substrate 270b, which are continuously disposed.

The upper left substrate 270a and the lower left substrate 270b can be controlled by a single signal line 274a transmitted from the control unit 15, and the number of signal lines 274a guided along the door 201 can be minimized.

In addition, the power line and ground line constituting the third light wire 273 are connected from the board connector 275 to the upper left board 270a and the lower left board 270b, respectively, so that the upper left board 270a ) and the left lower substrate 270b can be connected in parallel to each other.

Meanwhile, the third light wire 273 extending from the board connector 275 on the other side is connected to the upper right board 270c and the lower right board 270d, respectively, constituting the light door 201 on the right side. can be connected At this time, the signal line 274a extending from the board connector 275 among the third light wires 273 may be connected only to the upper right board 270c. Additionally, the upper right substrate 270c and the lower right substrate 270d may be connected to each other by another signal line 274b. That is, the control signal transmitted from the control unit 15 may be transmitted to the upper right substrate 270c through the signal line 274a and to the lower right substrate 270d through another signal line 274b. The upper right substrate 270c and the lower right substrate 270d may be arranged vertically and vertically in series.

In addition, the power line and ground line constituting the third light wire 273 are connected from the board connector 275 to the upper right board 270c and the lower right board 270d, respectively, to form the upper right board 270c. ) and the right lower substrate 270d can be connected in parallel to each other.

Meanwhile, the present invention may be possible in various other embodiments in addition to the above-described embodiments. Hereinafter, other embodiments of the present invention will be described with reference to the drawings. Detailed descriptions and illustrations of the same configurations as the above-described embodiments will be omitted, and only the differences will be described in detail.

Another embodiment of the present invention is characterized in that other electrical components provided on the door are connected to the display device.

Figure 11 is a diagram schematically showing the wire connection state of the refrigerator according to the second embodiment of the present invention.

As shown, a refrigerator 1a according to another embodiment of the present invention may include a cabinet 10 forming a storage space and a door 201 opening and closing the storage space.

A control unit 15 that controls the refrigerator 1a may be formed in the cabinet 10. Additionally, the cabinet 10 and the door 201 are connected to each other by a hinge device 16 so that the door 201 can be rotatably connected.

The hinge device 16 connects the cabinet 10 and the door 201, and the main wire 50 directed to the inside of the door 201 can be disposed through the hinge device 16. The main wire 50 is connected to the control unit 15 and can be connected to the internal structure of the door 201 through the hinge device 16.

Additionally, the door 201 may be equipped with a display device 30 that controls the operating state of the refrigerator 1a. The display device 30 can input a user's manipulation, and the operation of the refrigerator 1a can be adjusted by the user's manipulation. As an example, the display device 30 may be a touch LCD.

In addition, the door 201 may be equipped with a plurality of electrical components 46. The electrical components 46 are various sensors that detect humidity, temperature, illumination, user's approach, etc., switches that detect the opening/closing or manipulation of the door 201, heaters, door lights, etc., to transmit power and signals. It can be composed of a variety of possible devices. Additionally, the electrical components 46 may be referred to as electrical devices.

In addition, the electrical component 46 may be connected to the display PCB 34 constituting the display device 30 by a sub wire 60. The display PCB 34 may be provided with a sub connector 342 to which the sub wire 60 is connected. The sub-wires 60 may be composed of multiple sub-wires and may vary depending on the number and type of the electrical components 46.

Additionally, the display PCB 34 may be provided with a main connector 341 to which the main wire 50 is connected. The main wire 50 connected to the main connector 341 may be guided to the outside of the door 201, pass through the hinge device 16, and be connected to the control unit 15.

At this time, the number of main wires 50 connecting the control unit 15 and the display PCB 34 is less than the number of sub wires 60. Power and signals transmitted to the display device 30 through the main wire 50 are transmitted to each of the electrical components 46 through a plurality of sub-wires 60 connected to the display device 30. , the electrical components 46 are operated under the control of the control unit 15.

At this time, the electrical components 46 are not limited in number and type, and are connected to the display device 30 by the sub-wire 60 and can receive power and signals from the control unit 15. It could be a device.

Figure 12 is a perspective view of a refrigerator according to a third embodiment of the present invention. And, Figure 13 is a diagram schematically showing the wire connection state of the refrigerator.

As shown, the refrigerator 1b according to the third embodiment of the present invention includes a cabinet 10b forming a storage space, and a door provided on the open front of the cabinet 10b to open and close the storage space. 20b) may be included.

The storage space of the cabinet 10b may be divided into upper and lower sections and may include an upper refrigerator compartment 11b and a lower freezer compartment 12b. For example, the refrigerating compartment 11b may be referred to as a first storage space, and the freezer compartment 12b may be referred to as a second storage space.

The door 20b may include a refrigerator compartment door 201b that opens and closes the refrigerator compartment 11b, and a freezer compartment door 202b that opens and closes the freezer compartment 12b. The refrigerating compartment door 201b and the freezer compartment door 202b may be arranged in pairs on both left and right sides, and each door 20b is rotatably mounted on the cabinet 10b by a hinge device 16b. The storage space can be opened and closed.

Meanwhile, at least one door of the pair of refrigerator compartment doors 201b may be configured as a double door. As an example, the refrigerating compartment door 201b may include a main door 2011 that opens and closes the refrigerating compartment 11b, and a sub door 2012 rotatably mounted on the main door 2011.

An opening 2013 may be formed in the main door 2011, and the opening 2013 may communicate with a door storage space 2014 formed in the main door 2011. Also, the sub door 2012 can open and close the opening 2013. As an example, the sub door 2012 may be placed inside the opening 2013.

At least a portion of the sub door 2012 may be formed of a transparent glass material. Therefore, the inside of the opening 2013 can be seen even when the sub door 2012 is closed.

Additionally, the door 20b may be equipped with a display device 30b. The display device 30b may be configured to display the operating status or information of the refrigerator 1b. As an example, the display device 30b may be configured as a touch display device 30b through which a touch manipulation is input by a user.

The display device 30b may be provided in the door storage space 2014 and may be visible through the sub door 2012 when the sub door 2012 is closed. Meanwhile, the refrigerating compartment door 201b may be equipped with a door light 27b that illuminates the interior of the door storage space 2014.

Meanwhile, the display device 30b may include a display PCB 34b. The display PCB 34b can control driving of the display 31b. In addition, the display PCB 34b may be connected to at least some of the electrical components provided inside the door 20b.

As an example, the electrical components include at least one of the display 31b, a knock detection device 42 that detects the user's knocking operation, a detection sensor 47 that detects the user's proximity, and the door light (27b). It can be included.

Additionally, the display PCB 34b may be connected to the main PCB 15b through a main wire 50b. The main PCB 15b controls the overall operation of the refrigerator 1b and may be installed in the cabinet 10b. The main PCB 15b may be called a main control unit. In addition, the main wire 50b passes through the hinge device 16b and is guided from the door 20b to the cabinet 10b to connect the main PCB 15b and the display PCB 34b.

A number of electrical components provided in the door 20b are not directly connected to the main PCB 15b, but are connected to the display PCB 34b, and the display PCB 34b is connected to the main PCB 15b. do. Accordingly, power and signals transmitted from the main PCB 15b can be transmitted to the electrical components through the display PCB 34b. That is, the main PCB 15b is connected to the display PCB 34b and can transmit power and signals to a plurality of electrical components connected to the display PCB 34b, and thus, the The number of wires can be reduced.

Meanwhile, the cabinet 10b may be further provided with a sub PCB 34b. The main PCB 15b and the sub PCB 34b can control electrical components provided in the cabinet 10b. Additionally, the main PCB 15b and the sub PCB 34b can be connected to each other to transmit power and signals to electrical components connected to the sub PCB 34b.

In detail, the main PCB 15b may be placed adjacent to the refrigerating compartment 11b. As an example, the main PCB 15b may be provided on the top of the cabinet 10b or the upper rear of the cabinet 10b.

The main PCB 15b can control electrical components placed in the refrigerating compartment 11b. As an example, the electrical components connected to the main PCB 15b include a door opening device 102 that pushes and opens the refrigerator compartment door 201b, a refrigerator compartment fan 103 that circulates cold air inside the refrigerator compartment 11b, and a defrost compartment fan 103 that circulates cold air inside the refrigerator compartment 11b. A heater 104 that operates for this purpose, a refrigerating compartment light 105 that illuminates the refrigerating compartment 11b, a temperature/humidity sensor 106 that detects the temperature/humidity of the refrigerating compartment 11b, and opening and closing of the refrigerating compartment door 201b. It may include at least one of the door detection devices 107 that detect.

The sub PCB 34b may be connected to the main PCB 15b by a sub wire 70b. The sub PCB 34b is provided in the cabinet 10b and may be located adjacent to the freezer compartment 12b. As an example, the sub PCB 34b may be placed lower than the main PCB 15b. Additionally, the sub PCB 34b may be provided at the rear lower portion of the cabinet 10b.

The sub PCB 34b controls a number of electrical components provided in the cabinet 10b, and can control electrical components disposed in the freezer compartment 12b. As an example, the electrical components connected to the sub PCB (34b) include a compressor (108), an auto drawer (109) that automatically draws in and out of the freezer compartment (12b), and a freezer fan that circulates cold air inside the freezer compartment (12b). (110), at least one of a heater 111 operated for defrosting, a freezer light 112 that illuminates the freezer compartment 12b, and a door detection device 113 that detects the opening and closing of the freezer door 202b. It can be included.

Accordingly, a number of electrical components disposed adjacent to the freezer 12b can be connected to the sub PCB 34b, and do not need to be directly connected to the main PCB 15b, which is relatively distant, thereby reducing the length of the wire and arranging it. can be made concise. In addition, electrical components connected to the sub PCB 34b can receive power and signals through the sub wire 70b connecting the main PCB 15b and the sub PCB 34b.

Figure 14 is a perspective view of a refrigerator according to a fourth embodiment of the present invention. And, Figure 15 is a diagram schematically showing the wire connection state of the refrigerator.

As shown, the refrigerator 1c according to the fourth embodiment of the present invention includes a cabinet 10c forming a storage space, and a door provided on the open front of the cabinet 10c to open and close the storage space. 20c) may be included.

The storage space of the cabinet 10c may be divided into upper and lower sections and may include an upper refrigerator compartment 11c and a lower freezer compartment 12c. For example, the refrigerating compartment 11c may be referred to as a first storage space, and the freezer compartment 12c may be referred to as a second storage space.

The door 20c may include a refrigerator compartment door 201c that opens and closes the refrigerator compartment 11c, and a freezer compartment door 202c that opens and closes the freezer compartment 12c. A pair of the refrigerator compartment door 201c and the freezer compartment door 202c may be disposed on both left and right sides, respectively. Each door 20c is rotatably mounted on the cabinet 10c by a plurality of hinge devices 16c to open and close the door storage space 2014c.

Meanwhile, at least one door 201c of the pair of refrigerating compartment doors 201c opens and closes the refrigerating compartment 11c, includes a main door (not shown) in which a door storage space 2014c is formed, and a front door of the main door. It may include a sub-door 2012c that is rotatably mounted to open and close the door storage space 2014c, and may be configured as a double door as in the above-described embodiment. However, in this embodiment, the sub door 2012c is provided in front of the main door. Additionally, the sub door 2012c can shield the entire front of the main door in a closed state.

The sub door 2012c forms the front of the sub door 2012c and may include a panel assembly 21c made of a transparent glass material to see through the door storage space 2014c.

The sub door 2012c may be equipped with a display device 30c. The display device 30c may be configured to display the operating status or information of the refrigerator 1c. As an example, the display device 30c may be configured as a touch display through which a touch manipulation is input by a user. Additionally, the display device 30c may be shielded by the panel assembly 21c and may be arranged to be transparent through the front of the panel assembly 21c.

In addition, among the doors 20c, the refrigerating compartment door 201c and the freezer compartment door 202c, excluding the double door, open and close the storage space, include a door body 28 filled with insulation material, and a front surface of the door body 28. It may include a detachable door panel 29.

The door panel 29 is formed in a plate shape that forms the front of the door 20c, and may be configured to shine in a set color. Additionally, the color of the front of the door 20c may be determined by the door panel 29.

A first door light 291 may be provided inside the door panel 29. The first door light 291 may include an LED (RGB LED) that emits light of various colors depending on the setting. Accordingly, according to the operation of the first door light 291, the front of the door panel 29 and the door 20c may shine in a set color. And, depending on the user's settings, the front of the door 20c can be changed to various colors.

Meanwhile, the display device 30c may include a display PCB 34c. The display PCB 34c can control driving of the display 31c. In addition, the display PCB 34c may be connected to at least some of the electrical components provided inside the door 20c. As an example, the electrical components may include at least one of the display 31c, a knock detection device 42 that detects a user's knocking operation, and a second door light 27c that illuminates the door storage space 2014c. You can.

Additionally, the display PCB 34c may be connected to the main PCB 15c by a main wire 50c. The main PCB 15c controls the overall operation of the refrigerator 1c and may be provided in the cabinet 10c. In addition, the main wire 50c passes through the hinge device 16c and is guided from the door 20c to the cabinet 10c to connect the main PCB 15c and the display PCB 34c.

A number of electrical components provided in the door 20c are not directly connected to the main PCB 15c but are connected to the display PCB 34c, and the display PCB 34c is connected to the main PCB 15c. . Accordingly, power and signals transmitted from the main PCB 15c can be transmitted to the electrical components through the display PCB 34c. That is, the main PCB 15c is connected to the display PCB 34c and can transmit power and signals to a plurality of electrical components connected to the display PCB 34c. Accordingly, the number of wires passing through the hinge device 16c can be reduced.

Meanwhile, the cabinet 10c may be further equipped with a sub PCB 70c. The main PCB 15c and the sub PCB 70c can control electrical components provided in the cabinet 10c. Also, the main PCB 15c and the sub PCB 70c can be connected to each other to transmit power and signals to electrical components connected to the sub PCB 70c.

In detail, the main PCB 15c may be placed adjacent to the refrigerating compartment 11c. As an example, the main PCB 15c may be provided on the top of the cabinet 10c or the upper rear of the cabinet 10c.

The main PCB 15c controls a number of electrical components provided in the cabinet 10c, and can control electrical components disposed in the refrigerating compartment 11c. As an example, the electrical components connected to the main PCB 15c include a door opening device 102 that pushes and opens the refrigerating compartment door 201c, a refrigerating compartment fan 103 that circulates cold air inside the refrigerating compartment 11c, A heater 104 operated for defrosting, a refrigerating compartment light 105 that illuminates the refrigerating compartment 11c, a temperature/humidity sensor 106 that detects the temperature/humidity of the refrigerating compartment 11c, and opening and closing of the refrigerating compartment door 201c. It may include at least one of the door detection devices 107 that detect.

The sub PCB 70c may be connected to the main PCB 15c by a first sub wire 60c. The sub PCB 70c is provided in the cabinet 10c and may be located adjacent to the freezer compartment 12c. For example, the sub PCB 70c may be placed below the main PCB 15c. Additionally, the sub PCB 70c may be provided at the lower rear of the cabinet 10c.

The sub PCB 70c controls a number of electrical components provided in the cabinet 10c, and can control electrical components disposed in the freezer compartment 12c. As an example, the electrical components connected to the sub PCB 70c include a compressor 108, a freezer fan 110 that circulates cold air inside the freezer compartment 12c, a heater 111 operated for defrosting, and the freezer compartment ( It may include at least one of a freezer light 112 that illuminates 12c) and a door detection device 113 that detects opening and closing of the freezer door 202c.

Accordingly, a number of electrical components placed adjacent to the freezer 12c can be connected to the sub PCB 70c, and do not need to be directly connected to the main PCB 15c, which is relatively distant, thereby reducing the length of the wire and arranging it. can be made concise. Additionally, electrical components connected to the sub PCB 70c can receive power through the first sub wire 60c connecting the main PCB 15c and the sub PCB 70c.

In addition, the sub PCB 70c is connected to the display PCB 34c through a second sub wire 71c and can receive a control signal from the sub PCB 70c. The second sub wire 71c may pass through the hinge device 16c to connect the sub PCB 70c and the display PCB 34c.

Except for the double door 20c, the first door light 291 provided on the remaining doors, that is, the refrigerating compartment door 201c and the freezer compartment door 202c, is connected to the sub PCB 70c by the third sub wire 72c. can be connected with The third sub wire 72c may be arranged to pass through a hinge device 16c connected to the refrigerating compartment door 201c and the freezing compartment door 202c.

Also, the first door light 291 can receive power and signals from the sub PCB 70c through the third sub wire 72c. Accordingly, the first door light 291 can be controlled by the sub PCB 70c.

By controlling the first door light 291 from the sub PCB 70c, the load on the main PCB 15c can be reduced, and the main PCB 15c can be simplified for common use.

Figure 16 is a diagram schematically showing the wire connection state of the refrigerator according to the fifth embodiment of the present invention.

As shown, the refrigerator 1d according to the fifth embodiment of the present invention may be configured to include a cabinet 10d forming a storage space and a door 20d opening and closing the storage space.

The door 20d may be composed of a first door 201d and a second door 202d connected to the cabinet 10d by hinge devices 165 and 166. The first door 201d and the second door 202d can open and close the storage space by rotating. The first door 201d and the second door 202d may be arranged up and down or left and right.

The cabinet 10d may be equipped with a main PCB 15d that controls the overall operation of the refrigerator 1d. Additionally, the first door 201d may be provided with a display PCB 34d. The display PCB 34d may be a component of the display device 30d provided in the first door 201d.

The display PCB 34d may be connected to the main PCB 15d by a main wire 50d. The main wire 50d is arranged to pass through the hinge device 165 connecting the first door 201d to the cabinet 10d, and transmits power and signals from the main PCB 15d to the display PCB 34d. ) can be transmitted.

In addition, the display PCB 34d is connected to the first electrical component 471 provided in the first door 201d to supply power for the operation of the first electrical component 471 and provide a control signal. You can. As an example, the first electrical component 471 may include a sensor, camera, motor, electrical accessories, etc.

A sub PCB 70d may be further provided inside the cabinet 10d. The sub PCB 70d may be connected to the main PCB 15d by a first sub wire 60d. The first sub wire 60d can transmit power and signals from the main PCB 15d to the sub PCB 70d.

The sub PCB 70d may be configured to control a plurality of electrical components 472 and 473 provided in the cabinet 10d or the door 20d.

The sub PCB 70d may be connected to the second electrical component 472 provided on the second door 202d by a second sub wire 71d. As an example, the second electrical component 472 may include a sensor, camera, motor, electrical accessories, etc. Additionally, the second sub wire 71d may be arranged to pass through the hinge device 166 connecting the second door 202d and the cabinet 10d. Additionally, the second sub wire 71d can transmit power and signals from the sub PCB 70d to the second electrical component 472.

Meanwhile, the sub PCB 70d may be connected to a compressor 108, a fan 114 that circulates cold air into the storage space, and a valve 111 that controls the flow of refrigerant. In addition, the sub PCB 70d is connected to the third electrical component 473 and can control the operation of the third electrical component 473. As an example, the third electrical component 473 may include a sensor, camera, motor, electrical accessories, etc., and may be operated by power and control signals transmitted from the sub PCB 70d.

In this way, the sub PCB 70d connects multiple components arranged in the cabinet 10d, thereby reducing the number of wires and shortening their length. In addition, even if electrical components 471, 472, and 473 are added to the cabinet 10d and the door 20d, there is an advantage in that they can be connected without additional arrangement of wires. Additionally, the sub PCB 70d can reduce noise generation by avoiding overlap with other wires and reducing its length when connected to a sensitive sensor. Therefore, manufacturing costs can be reduced by reducing the use of shield cables, etc.

Meanwhile, the present invention is applicable to other home appliances equipped with doors in addition to refrigerators such as the above-described embodiments. Hereinafter, embodiments of the present invention applied to other home appliances will be described.

Figure 17 is a perspective view of a clothing treatment device according to a sixth embodiment of the present invention. And, Figure 18 is a diagram showing the connection state of the main PCB, sub PCB, and electrical components when the door of the clothes treatment device is open.

As shown, the clothing treatment device 80 according to the sixth embodiment of the present invention includes a cabinet 81. The cabinet 81 forms the exterior of the clothing processing device, and defines a space inside to accommodate drums, etc.

The cabinet 81 may be formed by combining a plurality of panels or by forming the plurality of panels into one piece and bending them. When the cabinet 81 includes a plurality of panels, the plurality of panels may include at least a portion of a front panel, a rear panel, a top panel, a bottom panel, and a pair of side panels.

The cabinet 81 may be provided with a clothing inlet 811 for inserting clothing into the cabinet 81. The clothing input port 811 is formed on one side of the cabinet 81 and can serve as an entrance for a user to input clothing into the cabinet 81.

The clothing input port 811 may be formed on the front or upper surface of the cabinet 81. That is, in one embodiment of the present invention, the clothing input port is formed on the front and adopts a front loading method, but the clothing input port 811 is formed on the upper surface and can adopt a top loading method.

The cabinet 81 may be provided with a door 83 for opening and closing the clothing input port 811. The door 83 can be provided in the cabinet 81 in various ways to enable opening and closing of the clothing input port 811. The door 83 may be coupled to the cabinet 81 by a hinge device 84 and rotatably coupled to the cabinet 81 .

The door 83 can be rotated around the hinge device 84 to determine the opening or closing of the clothing input port 811. And the door 83 can maintain the clothing input port 811 in a shielded state by using a locking device.

Meanwhile, the door 83 may have a door panel 831 forming the front side and a door body 832 forming the rear side of the door 83. The door panel 831 may be formed in a circular plate shape. Additionally, the door body contacts the edge of the door panel 831 and may be disposed at the rear of the door panel 831. The door panel 831 and the door body 832 may be coupled to each other. Additionally, a portion of the door body 832 may be connected to the hinge device 84. The door panel 831 may be formed in a planar shape to form a portion of the front exterior of the clothing treatment device 80. Additionally, the door body 832 may protrude backward and be inserted into the clothing input port 811 when the door 83 is closed. Additionally, the protruding perimeter of the door body 832 may be in contact with the perimeter of the clothing input port 811.

Additionally, the door panel 831 may be configured to shine in a set color. The door panel 831 may be composed of a plate-shaped panel and may be formed of a material capable of transmitting light. Additionally, the door 83 is provided with a door light 833 to emit light toward the door panel 831. For example, the door light 833 may be arranged along the edge of the door panel 831 or the door body 832.

The door light 833 may include an LED (RGB LED) that emits light of various colors depending on the setting. Accordingly, according to the operation of the door light 833, the door panel and the front of the door 83 may shine in a set color. And, depending on the user's settings, the front of the door 83 can be changed to various colors.

Additionally, the door panel 831 and the door body 832 are made of a transparent material, so that the inside of the clothing input port 811 can be seen when the door light 833 is turned off.

Additionally, the door 83 may be further equipped with electrical components as needed. As an example, the electrical components may include sensors, cameras, motors, electrical accessories, etc.

Meanwhile, the cabinet 81 may include a tub 821 that forms a space in which water is accommodated, and a drum 822 provided inside the tub 821. The drum 822 can accommodate clothes for washing therein and can be rotated by a motor. The tub 821 and the drum are in communication with the clothing inlet 811 and can be exposed to the outside through the front of the cabinet 81 when the door 83 is opened.

Additionally, the cabinet 81 may be equipped with a display device 851. The display device 851 may display the operating state of the clothing treatment device 80. In addition, the cabinet 81 may be provided with an operation unit 852 for manipulating the operation of the clothing treatment device 80. The manipulation unit 852 and the display device 851 may be integrated as needed.

Meanwhile, the cabinet 81 may be provided with a main PCB 86. The main PCB 86 can control the overall operation of the clothing treatment device 80. As an example, the main PCB 86 may control a motor for driving the drum 822 and may be configured to control various devices for washing or drying, such as valves for water supply and drainage, and a steam generator. You can.

Additionally, the cabinet 81 may be further provided with a sub PCB 85. The sub PCB 85 can be connected to the main PCB 86 by a main wire 861, and power and signals can be transmitted to the sub PCB 85. The sub PCB 85 may be placed adjacent to the hinge device 84. Additionally, the sub PCB 85 may be disposed closer to the hinge device 84 than the main PCB 86.

The sub PCB 85 is connected to the electrical components provided in the door 83 by a sub wire 850 and can control the electrical components. For example, the electrical component may be a door light 833. Additionally, the electrical components may further include sensors, cameras, motors, electrical accessories, etc. And, the electrical component may further include the display device 851. Additionally, the sub PCB 85 may be a component of the display device 851 and may be a display PCB that controls the operation of the display device 851. Additionally, the sub PCB 85 may be a component of the manipulation unit 852 and may be a manipulation PCB that controls the operation of the manipulation unit 852.

The sub wire 850 passes through the hinge device 84 and is guided to the inside of the door 83, and may be connected to the electrical components inside the door 83. As an example, the door light 833 may receive power and control signals from the sub PCB 85 through the sub wire 850.

The sub PCB 85 transmits power and control signals only to electrical components provided in the door 83 of the clothes handling device 80. Accordingly, the number and thickness of the sub wires 850 passing through the hinge device 84 can be minimized, and the number and length of wires connected to the electrical components can be minimized.

Figure 19 is a perspective view of a clothing treatment device according to a seventh embodiment of the present invention. And, Figure 20 is a diagram showing the connection state of the main PCB, sub PCB, and electrical components when the door of the clothes treatment device is open.

As shown, the clothing processing device 90 according to the sixth embodiment of the present invention has a rectangular parallelepiped-shaped exterior, a cabinet 91 forming a space for storing clothing, and a lower side of the cabinet 91. It includes an electrical unit 93 installed in and a door 92 that opens and closes the front of the cabinet 91.

A steam unit is installed inside the electrical unit 93 to inject steam into the cabinet 91, and flows into the cabinet 91 through the steam discharge unit 912 provided inside the cabinet 91. Steam can be sprayed. In addition, the hanger on which the clothing is hung may be caught on the hanger 911, and at least a part of the hanger 911 moves in the left and right directions to induce a motion of shaking the clothing, which causes dust, etc. on the clothing to move downward. It falls.

The door 92 shields the cabinet 91 from the front and can form the front exterior of the clothing treatment device 90. The door 92 is connected to the cabinet 91 by a hinge device 97 and can be rotatably mounted. The open front of the cabinet 91 can be opened and closed by rotating the door 92.

In addition, the door 92 may include a door body 921 that opens and closes the front of the cabinet 91, and a door panel 922 provided on the front of the door body 921. The door panel 922 forms the front exterior of the door 92 and can shine in a set color.

The door panel 922 may be composed of a plate-shaped panel and may be made of a transparent material to allow light to pass through. Additionally, the door 92 is provided with a door light 923 to emit light toward the door panel 922. At this time, the door light 923 may include an LED (RGB LED) that emits light of various colors depending on the setting. Accordingly, according to the operation of the door light 923, the door panel 922 and the front of the door 92 may shine in a set color. And, depending on the user's settings, the front of the door 92 can be changed to various colors.

Additionally, the door panel 922 may include a display device 98. The display device 98 may display the operating state of the clothing treatment device 90. The display device 98 may be at least partially shielded by the door panel 922. Also, the display device 98 can be visible to the outside through the door panel 922.

Meanwhile, the cabinet 91 may be provided with a main PCB 95. The main PCB 95 can control the overall operation of the clothing processing device 90. Additionally, the door 92 may be provided with a sub PCB 94. The sub PCB 94 can be connected to the main PCB 95 by a main wire 951, and power and signals can be transmitted to the sub PCB 94. Also, the main wire 951 can be guided from the cabinet 91 to the door 92 through the hinge device 97.

The sub PCB 94 may be provided within the door body 921 and may be connected to the electrical components provided on the door 92 through sub wires 941 and 942 to control the electrical components.

As an example, the electrical component may include the door light 923. The door light 923 may be placed on the door 92 to irradiate light toward the panel 922. As an example, the door light 923 is disposed at the bottom of the door 92 and may be connected to the sub PCB 94 by a first sub wire 941.

As another example, the electrical component may include the display device 98. The sub PCB 94 may be connected to the display device 98 through a second sub wire 942. The display device 98 may be placed behind the door panel 922 and may be visible to the outside through the door panel 922. For example, the display device 98 may be selectively displayed through the door panel 922 depending on its on/off state. In addition, the sub PCB 94 may be a display PCB that is a component of the display device 98, and the sub PCB 94 controls the electrical components of the door 92 and the operation of the display device 98. You can control it. At this time, the second sub wire 941 may be omitted. Additionally, the display PCB may be connected to the door light 923 by a first sub wire 942.

The electrical components may further include sensors, cameras, motors, electrical accessories, etc. Additionally, the electrical components may be provided on the door 92.

A plurality of the electrical components can receive power and control signals from the sub PCB 94 through the sub wires 941 and 942 within the door 92. In addition, the sub PCB 94 is connected to the main PCB 95 by the main wire 951 and can receive power and signals.

Therefore, it is possible to prevent all wires for controlling the electrical components provided in the door 92 from passing through the hinge device 97, and the number of wires passing through the hinge device 97 can be minimized. . Additionally, the overall length of the wires connected to the electrical components can be shortened.

The refrigerator according to the embodiment of the present invention has high industrial applicability because it can improve assembly and reduce production costs by efficiently arranging wires.

Claims (19)

cabinets forming storage space; a main control unit provided in the cabinet; a door that opens and closes the storage space; a display device provided on the door and connected to the main control unit; and It includes electrical components provided on the door, The display device is connected to the main control unit by a main wire passing through the door, A refrigerator wherein at least one of the electrical components is connected to the display device through a sub-wire and receives power and signals from the main control unit through the display device. According to claim 1, A refrigerator wherein the number of main wires is smaller than the number of sub wires. According to claim 1, The display device is, display; PCB for controlling the display; a main connector provided on the PCB and to which the main wire is connected; and A refrigerator provided in the PCB and including a sub connector to which the sub wire is connected. According to claim 3, A refrigerator in which the number of sub-connectors is greater than the number of main connectors. According to claim 3, The refrigerator has a single main connector and a plurality of sub-connectors. According to claim 3, A hinge device connected to the cabinet is provided at the top of the door, The main connector and the sub-connector are both provided at the top of the PCB, and the main wire is guided along the hinge device. According to claim 1, The door is A front panel forming the front face; a door liner disposed at the rear, spaced apart from the front panel, and forming a rear side; a frame connecting the front panel and the door liner; and It includes an insulation material filled in the space between the front panel and the door liner and frame, The display device is mounted on the frame, and the main wire and the sub wire are connected to the display device at the frame. According to claim 7, The frame is, a first surface in contact with the front panel; It extends rearward at a position lower than the top of the first side and includes a second side coupled to the door liner, A refrigerator in which a recessed display mounting portion is formed on the second surface to allow the display device to be inserted. According to claim 8, The display device protrudes more upward than the display mounting portion, A refrigerator in which the main wire and sub wire are connected to the top of the display device exposed to the outside of the frame. According to clause 9, A refrigerator wherein the frame is provided with a frame cover that shields the display device and main and sub wires. According to claim 10, A hinge mounting portion on which a hinge device connected to the cabinet is mounted is formed on the frame, A refrigerator in which an opening is formed in the frame cover to communicate with the hinge mounting portion, and an electric wire opening through which the main electric wire enters and exits is formed. According to claim 11, The hinge mounting portion is formed on both left and right sides of the frame, The electric wire opening is formed on both sides of the frame cover and communicates with the hinge mounting portion on both sides, respectively. According to claim 7, The front panel is made of glass material, A refrigerator in which the display device is arranged to be visible through the front panel. According to claim 1, The electric component is at least one of a knock detection device that detects a knocking operation of the door, a detection switch that detects opening of the door, a communication device for wireless communication, and a sensor device. According to claim 14, The electrical component is a heater provided in the door and generating heat to prevent condensation, A refrigerator in which the heater is directly connected to the main control unit by a heater wire. According to claim 14, The electrical component is a door light provided on the door to illuminate the rear space of the door, A refrigerator in which the door light is directly connected to the main control unit by a light wire. According to claim 16, The door light is, It includes a plurality of boards equipped with LEDs, The light wire includes a main signal line connected to one of the plurality of boards, A refrigerator including a sub-signal line that connects between the plurality of substrates and transmits a signal input to the main signal line. According to claim 17, The door light is composed of a plurality, The light wires include a plurality of first light wires each connected to a plurality of door lights; and It includes a second light wire connected to the main control unit, A refrigerator in which the plurality of first light wires are joined by a light connector on the inside of the door and then connected to the second light wire. According to claim 1, The main wire includes a first main wire connected to the display device and a second main wire connected to the control unit, A refrigerator in which the first main wire and the second main wire are connected to each other by a connection connector inside the door.

Images