WO2021006463A1 - 냉장고용 투시도어 및 이를 가지는 냉장고 - Google Patents
냉장고용 투시도어 및 이를 가지는 냉장고 Download PDFInfo
- Publication number
- WO2021006463A1 WO2021006463A1 PCT/KR2020/004673 KR2020004673W WO2021006463A1 WO 2021006463 A1 WO2021006463 A1 WO 2021006463A1 KR 2020004673 W KR2020004673 W KR 2020004673W WO 2021006463 A1 WO2021006463 A1 WO 2021006463A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- refrigerator
- door
- transmittance
- perspective
- Prior art date
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D27/00—Lighting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/30—Lighting for domestic or personal use
- F21W2131/305—Lighting for domestic or personal use for refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0028—Details for cooling refrigerating machinery characterised by the fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2327/00—Lighting arrangements not provided for in other groups of this subclass
- F25D2327/001—Lighting arrangements on the external side of the refrigerator, freezer or cooling box
Definitions
- the present invention relates to a perspective door for a refrigerator, and more particularly, to a perspective door for a refrigerator that is selectively viewed so that the inside can be viewed, and a refrigerator having the same.
- An object of the present invention is to provide a perspective door for a refrigerator, and a refrigerator having the same, capable of efficiently using light from a light source and selectively viewing the refrigerator without impeding the cooling function of the refrigerator.
- an embodiment of the present invention provides a perspective door for a refrigerator to selectively see the inside of the refrigerator.
- a perspective door for a refrigerator includes a door frame having an opening formed therein;
- a transmittance control window supported by the door frame to close the opening, facing the outside of the refrigerator, and having a light transmittance selected for selective viewing;
- An inner transmission window facing and spaced apart from the transmittance control window and supported by the door frame so as to face the inside of the refrigerator, wherein a separation space for heat insulation is formed between the transmittance control window and the inner transmission window;
- a light emitting module installed in the opening between the transmittance control window and the inner transmission window to emit light in a first light emitting state and a second light emitting state according to a control signal, and perpendicular to the inner transmission window from a direction toward the space It is installed to have an effective light exit angle including up to one direction, so that the inside cannot be seen from the outside with the naked eye in the first luminous state, and the inside of the inside is
- the light emitting module includes: a light source operated according to the control signal; And a light diffusing member positioned around the light source between the transmittance control window and the inner transmission window, and configured to change the outgoing light so that a light outgoing angle of the outgoing light from the light source is extended to the effective light outgoing angle.
- the transmittance control window may be a plate formed to have a light transmittance selected by adding a transmittance control material to glass or resin for the selective perspective.
- the transmittance control window includes a light transmitting plate; And an optical film attached to at least one of the front and rear surfaces of the light transmitting plate and having a light transmittance selected for the selective viewing.
- the insulating frame between the transmittance control window and the inner transmission window Insulation frame in which the light emitting module is installed may further include.
- the light source includes: a substrate installed on an inner surface of the heat insulating frame covering an edge of the transmittance control window; And a light-emitting diode mounted on the substrate to emit light toward the inner transmission window, wherein the light diffusing member is positioned between the light-emitting diode and the inner transmission window to receive light emitted from the light-emitting diode.
- An inner diffusion unit that diffuses toward the inner transmission window; And a side diffusion unit bent from the inner diffusion unit and extending to face the bottom surface of the insulating frame connected to the inner surface of the insulating frame, and diffusing the light emitted from the light emitting diode toward the spaced space.
- a heat dissipation passage extending along the opening and emitting heat generated from the light source may be formed on the bottom surface of the heat insulating frame connected to the inner side of the heat insulating frame.
- a fan installed to flow air through the heat dissipation passage at one side of the heat dissipation passage may further include.
- the selected light transmittance may be 5% to 15%.
- another embodiment of the present invention provides a refrigerator capable of selectively seeing an internal space.
- the refrigerator includes a body having an internal space; And it is installed in the main body, in the first light-emitting state to prevent the naked eye from seeing the inner space from the outside, and in the second light-emitting state, for a refrigerator that allows the naked eye to see the inner space from the outside. It includes a perspective door;
- a light source in a perspective door for a refrigerator, is disposed so that a sufficient amount of light can be seen inside the refrigerator is provided by a limited number of light sources, and the light is evenly distributed, and heat radiates heat from the light source.
- the structure is provided and the air layer is used as a heat insulating layer, so that a perspective door for a refrigerator that can be selectively viewed without impairing the cooling function of the refrigerator and a refrigerator having the same can be provided.
- FIG 1 and 2 are views illustrating a perspective door for a refrigerator and a refrigerator having the same according to an embodiment of the present invention.
- 3 and 4 are views for explaining a perspective door for a refrigerator according to an embodiment of the present invention.
- 5A and 5B are views for explaining selective perspective characteristics of a perspective door for a refrigerator according to an embodiment of the present invention.
- FIG. 6 is a view for explaining a shielding state of the perspective door for a refrigerator according to the present embodiment.
- FIG. 7 is a view for explaining a perspective state of a perspective door for a refrigerator according to the present embodiment.
- FIG. 8 is a diagram for describing a perspective door for a refrigerator according to a comparative example.
- FIG. 9 is a view for explaining the transmittance of a perspective door for a refrigerator according to an embodiment of the present invention.
- FIG. 10 is a view showing a perspective door for a refrigerator according to another embodiment of the present invention.
- FIG. 11A and 11B are views for explaining selective perspective characteristics of the perspective door for a refrigerator shown in FIG. 10.
- FIG 1 and 2 are views illustrating a perspective door 200 for a refrigerator and a refrigerator 10 having the same according to an embodiment of the present invention.
- the refrigerator 10 includes a main body 100 in which an internal space is formed and a perspective door 200 for a refrigerator having a selective perspective function.
- the inner space of the main body 100 is a space open to the front, and food or storage objects may be accommodated in the inner space.
- the perspective door 200 for a refrigerator may be coupled to the main body 100 through a coupling means such as a hinge at the entrance of the internal space.
- the perspective door 200 for a refrigerator may not allow the naked eye to see the internal space from the outside according to a user's selection or operation or a specific situation outside the refrigerator 10, or to see the internal space with the naked eye from the outside. You can do it.
- the see-through door 200 for a refrigerator has a function of selectively seeing the internal space while not deteriorating the performance of the refrigerator 10, for example, the cooling efficiency of the internal space.
- 3 and 4 are diagrams for explaining a perspective door 200 for a refrigerator according to an embodiment of the present invention.
- the perspective door 200 for a refrigerator may include a door frame 210, a transmittance control window 230, an inner transmission window 250, and a light emitting module 270.
- the door frame 210 may have a shape corresponding to a shape viewed from the front of the inner space of the refrigerator 10. An opening is formed in the door frame 210.
- the transmittance control window 230 may be coupled to the opening to close the opening, that is, to shield the opening.
- the transmittance control window 230 is supported by the door frame 210 and may face the outside of the refrigerator 10.
- the transmittance control window 230 may be formed to have a selected light transmittance for achieving the above-described selective perspective.
- the transmittance control window 230 may be made of at least one of glass and resin.
- glass may be formed to have a selected light transmittance by adding a material for controlling light transmittance such as a colorant to transparent glass or resin (eg, polycarbonate).
- the transmittance control window 230 may be a single plate.
- an optical film for controlling light transmittance may be further attached to this single plate.
- the selected light transmittance may be 5% to 15%. This will be described further later.
- the light transmittance may include, for example, an inner plate and an outer plate in which the transmittance control window is laminated with different light transmittances.
- a target light transmittance may be achieved by performing a surface treatment for controlling light transmittance on the inner and outer surfaces of the transmittance control window, which is a single plate.
- the inner transmission window 250 faces and is spaced apart from the transmittance control window 230 and may be installed in an opening of the door frame 210 to face the inner space of the refrigerator 10. That is, a space for insulation is formed between the transmittance control window 230 and the inner transmission window 250, and the space may be filled with air or may be vacuum.
- the light emitting module 270 may be installed in an opening between the transmittance control window 230 and the inner transmission window 250.
- the light emitting module 270 may emit light in a first light emitting state and a second light emitting state according to the control signal.
- the door frame 210 may be provided with a sensor 203 that generates the control signal according to an operation such as a user's touch.
- the sensor 203 may be a variety of sensors, such as a light sensor, a motion sensor, a shape sensor, and a sensor that receives a signal from a remote control, and the sensor 203 may detect the user's approach and generate the control signal. have.
- the light emitting module 270 may have a light exit angle including a direction perpendicular to the inner transmission window 250 (horizontal direction) and a direction toward the spaced space (side direction).
- the light-emitting module 270 When the light-emitting module 270 is in the first light-emitting state (for example, in the off state), it may be in a shielded state in which the inner space of the refrigerator 10 cannot be seen by the naked eye from the outside. In addition, when the light emitting module 270 is in a second light emitting state (eg, an on state), the light emitting module 270 may be in a perspective state in which the inner space of the refrigerator 10 can be visually viewed from the outside.
- a second light emitting state eg, an on state
- the shielding state and the transparent state will be described later.
- the perspective door 200 for a refrigerator may further include an insulating frame 290.
- the insulating frame 290 may be installed along the opening of the door frame 210.
- the insulating frame 290 may mediate the transmittance control window 230 and the inner transmission window 250 to be installed in the opening. That is, the edge of the transmittance control window 230 and the inner transmission window 250 may be coupled to the insulating frame 290.
- the heat insulation frame 290 may suppress the heat from the light emitting module 270 from being transferred to the internal space of the refrigerator 10 and discharge heat to the outside.
- the insulating frame 290 may be made of a material such as resin, plastic, or rubber.
- the heat insulation frame 290 may have an inner side surface 291 covering a part of the edge of the transmittance control window 230 and a bottom surface 293 extending in a horizontal direction connected to the inner side surface 291.
- the light emitting module 270 may be installed in the heat insulation frame 290 between the transmittance control window 230 and the inner transmission window 250.
- the light emitting module 270 may include a light source 271 operated according to a control signal and a light diffusing member 275 that diffuses light emitted from the light source 271.
- the light source 271 may include a substrate and a light emitting diode mounted on the substrate.
- the substrate may be installed on the inner surface 291 of the insulating frame 290. Accordingly, the light emitting diode may be positioned to face the inner transmission window 250.
- the light source 271 may be disposed so that the central axis of the light emission angle of the light emitting diode faces between a direction perpendicular to the inner transmission window 250 and a direction toward the spaced space.
- the light diffusion member 275 may have a shape extending along the opening.
- the light diffusion member 275 may be made of a resin material selected for light diffusion, and the light diffusion member 275 may include a light scattering structure for light diffusion therein.
- the light diffusing member 275 may be positioned around the light source 271 between the transmittance control window 230 and the inner transmission window 250 to surround the front and side surfaces of the light emitting diode as shown in FIG. 4. I can.
- the light diffusing member 275 may include an inner diffusion portion 2751 and a side diffusion portion 2753.
- the inner diffusion part 2751 is located between the light emitting diode and the inner transmission window 250 and may diffuse light emitted from the light emitting diode toward the inner transmission window 250.
- the side diffusion part 2753 is bent from the upper end of the inner diffusion part 2751 to extend to face the bottom surface 293 of the heat insulation frame 290, and may diffuse the light emitted from the light emitting diode toward the spaced space.
- the light emitted from the light emitting module 270 may have a constant effective light exit angle. That is, when the light of a certain amount of light or more is considered as effective light, the amount of light may vary according to the angle measured with respect to the front of the light emitting module 270 (ie, the direction of the central axis of the light emitted from the light emitting diode). This emission angle may be defined as an effective light exit angle.
- the light diffusing member 275 may allow the light exit angle of the light emitted from the light source 271 to be further expanded. That is, the effective light emission angle of the light passing through the light diffusion member 275 may be wider than the effective light emission angle of the light source 271. Accordingly, as illustrated in FIG. 3, the effective light emission angle of the light emitting module 270 may include from a direction toward the spaced space (side direction) to a direction perpendicular to the inner transmission window 250 (horizontal direction). I can.
- a heat dissipation passage 295 may be formed on the bottom surface 293 of the heat insulation frame 290 connected to the inner side 291 of the heat insulation frame 290.
- the heat dissipation passage 295 may extend along the heat insulation frame 290, that is, along the opening of the door frame 210.
- the heat dissipation passage 295 may be formed on the bottom surface 293 of the heat insulation frame 290 to communicate with the space between the light source 271 and the light diffusion member 275. . Accordingly, heat from the light source 271 may be transferred from the space between the heat dissipation passage 295 through the air, and heat may be discharged to the outside by the flow of air through the heat dissipation passage 295.
- the light emitting diode has a relatively small amount of heat
- the refrigerator 10 has a light emitting module 270 capable of emitting effective light in the horizontal and lateral directions even with a small number of light emitting diodes.
- a light emitting module 270 capable of emitting effective light in the horizontal and lateral directions even with a small number of light emitting diodes.
- 5(a) and 5(b) are views for explaining selective perspective characteristics of the perspective door 200 for a refrigerator according to an embodiment of the present invention.
- 6 is a view for explaining a shielding state of the perspective door 200 for a refrigerator according to the present embodiment.
- 7 is a view for explaining a perspective state of the perspective door 200 for a refrigerator according to the present embodiment.
- FIG. 5A shows a state in which the light emitting module 270 is turned off (an example of a first light emitting state) It is a view for explaining that the perspective of the interior space of the refrigerator 10 is blocked from the outside.
- the Y-axis may indicate a relative amount of light
- the X-axis may indicate passing through the transmittance control window 230 in a path of light.
- the amount of light represents an approximate state size for convenience of description.
- the amount of light is greatly reduced while external light such as natural light or indoor lighting passes through the transmittance control window 230 at the first amount of light L1.
- the light transmittance of the transmittance control window 230 is preferably 5% to 15%. That is, in this embodiment, only 5% to 15% of incident external light may pass through the transmittance control window 230.
- the inner transmission window 250 is transparent and can pass through almost without blocking light.
- FIGS. 5(b) and 7 are views for explaining that in a state in which the light emitting module 270 emits light (an example of a second light emitting state), a perspective view of the internal space of the refrigerator 10 from the outside is possible to be.
- the light emitting module 270 is installed in the insulating frame 290 between the transmittance control window 230 and the inner transmission window 250 to emit light having a light exit angle as described above. Accordingly, the light emitted from the light emitting module 270 may have light that is radiated to the spaced space and reflected and then radiated to the inner space, and light that is directly radiated to the inner space through the inner transmission window 250.
- the light may be irradiated toward the interior space with a second amount of light L2 having a much larger amount of light and good uniformity compared to the aforementioned external light such as natural light or indoor lighting.
- the light reflected from the inner space passes through the transmittance control window 230, and the amount of light is reduced by the light transmittance and may be emitted to the outside.
- the number of times that the amount of light is decreased is less than in the first light-emitting state, and the amount of light provided by the light-emitting module 270 is sufficient, so that the amount of light emitted to the outside is illustrated in FIG. 5(b).
- a perspective state can be implemented in which the reference light amount ref1 is exceeded so that the interior space from the outside and thus objects stored in the interior space can be seen.
- FIG 8 is a diagram for describing a perspective door for a refrigerator according to a comparative example.
- 9 is a view for explaining the light transmittance of the perspective door 200 for a refrigerator according to an embodiment of the present invention.
- the light diffusion member 275 is positioned to face the inner transmission window 250, and light from the light source 271 is irradiated into the inner space through the light diffusion member 275 Can be.
- the effective light emission angle of the light emitted from the light source 271 module is narrower than that of the perspective door 200 for a refrigerator according to the embodiment of the present invention described in FIG. 3, as shown in the upper right of FIG. Can be formed.
- the perspective door for a refrigerator shown in FIG. 8 may further include a separate light source 271 for radiating light to the spaced space, as shown in the lower right figure of FIG. 8.
- the number of light sources 271 is increased, and thus, heat generated is increased, which may be unsuitable as a perspective door for a refrigerator, and light output from the light source 271 Since the angle is relatively narrow, irradiation of a uniform interior space by light diffusion is inhibited.
- a wide light exit angle can be provided with a small number of light sources 271 to reduce the heat source and uniformly irradiate the internal space, It is possible to see through the interior space more clearly in a perspective state.
- a graph labeled in both directions in FIG. 9 represents the amount of light measured from the outside of the transmittance control window 230 of the perspective door 200 for a refrigerator according to an embodiment of the present invention.
- the graph labeled in one direction represents the amount of light measured for the perspective door for a refrigerator of the comparative example described in FIG. 8.
- FIG. 10 is a view showing a perspective door 200 for a refrigerator according to another embodiment of the present invention.
- 11A and 11B are views for explaining selective perspective characteristics of the perspective door 200 for a refrigerator shown in FIG. 10.
- the perspective door 200 for a refrigerator according to the embodiment illustrated in FIG. 10 is the embodiments described in FIGS. 1 to 7 except for the transmittance control window 230, the light diffusion member 275, and the fan 280. Since it is similar to, a duplicate description will be omitted.
- the transmittance control window 230 is attached to at least one of the front and rear surfaces of the light transmission plate 231 and the light transmission plate 231, and includes an optical film having a light transmittance selected for selective viewing. can do.
- a first optical film 233 is attached to the front surface of the light transmitting plate 231, and a second optical film 235 is attached to the rear surface of the light transmitting plate 231.
- the first optical film 233, the light transmitting plate 231, and the second optical film 235 have a selected light transmittance of 5% to 15% as a whole. That is, only 5% to 15% of incident external light may pass through the transmittance control window 230 and enter the inner transmittance window 250.
- the perspective door 200 for a refrigerator may further include a fan 280 installed on one side of the heat dissipation passage 295 to allow air to flow through the heat dissipation passage 295.
- 11(a) and 11(b) are views for explaining the principle of shielding and seeing according to the light emission state of the light emitting module 270.
- the first optical film 233 may include at least one of a reflective coating layer formed by coating one or more reflective films or reflective materials on the entire surface of the light transmitting plate 231.
- the amount of light reduced by the first optical film 233 is reduced while passing through the light transmitting plate 231 again, and is reduced again while passing through the second optical film 235.
- the amount of light is reduced again while the light reflected from the internal space passes through the transmittance control window 230 again.
- the amount of light exiting to the outside is remarkably small, so that it may fall below the reference amount of light ref1 that can be seen by a person, and thus a shielding state may be implemented.
- FIG. 11(b) is a view for explaining that the internal space can be seen from the outside in a state in which the light emitting module 270 emits light.
- the light may be irradiated toward the interior space with a second amount of light L2, which is much larger than the aforementioned natural light or external light such as indoor lighting.
- Light reflected from the inner space may pass through the second optical film 235, the light transmitting plate 231, and the first optical film 233. That is, as illustrated in FIG. 11(b), in the second light-emitting state, the number of times the amount of light is reduced is less than that in the first light-emitting state, and the amount of light provided by the light-emitting module 270 is sufficient. Accordingly, a perspective state in which the amount of light emitted to the outside exceeds the reference amount of light ref1 can be realized so that the inner space can be seen from the outside.
- the perspective door for a refrigerator of the present invention it is possible to selectively see the interior of the refrigerator only when necessary without disturbing the cooling function of the refrigerator and without opening the door.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Claims (10)
- 냉장고의 내부를 선택적으로 투시할 수 있도록 하는 냉장고용 투시도어에 있어서,개구부가 형성된 도어 프레임;상기 개구부를 닫도록 상기 도어 프레임에 의해 지지되며, 냉장고의 외측과 대면하며, 선택적 투시를 위해 광투과율이 선택된 투과율 조절창;상기 투과율 조절창과 대향하며 이격되며, 상기 냉장고의 내측과 대면하도록 상기 도어 프레임에 의해 지지되는 내측 투과창으로서, 상기 투과율 조절창과 상기 내측 투과창 사이에 단열을 위한 이격공간이 형성되는 내측 투과창; 그리고상기 투과율 조절창과 상기 내측 투과창 사이의 상기 개구부에 설치되어, 제어신호에 따라 제1 발광상태와 제2 발광상태로 발광하는 발광모듈로서, 상기 이격공간을 향하는 방향으로부터 상기 내측 투과창에 수직한 방향까지를 포함하는 유효 광출사각을 가지도록 설치되어, 상기 제1 발광상태에서는 상기 외측에서 육안으로 상기 내측을 투시할 수 없도록 하고, 상기 제2 발광상태에서는 상기 외측에서 육안으로 상기 내측을 투시할 수 있도록 하는 발광모듈;을 포함하는 것을 특징으로 하는 냉장고용 투시도어.
- 제1항에 있어서,상기 발광모듈은,상기 제어신호에 따라 작동되는 광원; 그리고상기 투과율 조절창과 상기 내측 투과창의 사이에서 상기 광원의 둘레에 위치하며, 상기 광원으로부터의 출사광의 광출사각이 상기 유효 광출사각으로 확장되도록 상기 출사광을 변경시키는 광확산 부재;를 포함하는 것을 특징으로 하는 냉장고용 투시도어.
- 제1항에 있어서,상기 투과율 조절창은,상기 선택적 투시를 위해, 수지에 투과율 조절물질을 첨가하여 선택된 광투과율을 가지도록 형성된 판(plate)인 것을 특징으로 하는 냉장고용 투시도어.
- 제1항에 있어서,상기 투과율 조절창은광투과판; 그리고상기 광투과판의 전면 및 후면 중 적어도 하나에 부착되며, 상기 선택적 투시를 위해 선택된 광투과율을 가지는 광학필름;을 포함하는 것을 특징으로 하는 냉장고용 투시도어.
- 제2항에 있어서,상기 도어 프레임의 개구부를 따라 설치되며, 상기 투과율 조절창 및 상기 내측 투과창의 에지가 결합되는 단열 프레임으로서, 상기 투과율 조절창과 상기 내측 투과창 사이의 상기 단열 프레임에 상기 발광모듈이 설치되는 단열 프레임;을 더 포함하는 것을 특징으로 하는 냉장고용 투시도어.
- 제5항에 있어서,상기 광원은,상기 투과율 조절창의 가장자리를 커버하는 상기 단열 프레임의 내측면에 설치된 기판; 그리고상기 기판에 실장되어 상기 내측 투과창을 향하여 광을 출사하는 발광다이오드;를 포함하며,상기 광확산 부재는,상기 발광다이오드와 상기 내측 투과창의 사이에 위치하며 상기 발광다이오드로부터의 출사광을 상기 내측 투과창 측으로 확산시키는 내측 확산부; 그리고상기 내측 확산부로부터 절곡되어 단열 프레임의 내측면에 이어진 단열 프레임의 바닥면과 대향하도록 연장되며, 상기 발광다이오드로부터의 출사광을 상기 이격공간 측으로 확산시키는 측면 확산부;를 포함하는 것을 특징으로 하는 냉장공용 투시도어.
- 제6항에 있어서,상기 단열 프레임의 내측면과 이어지는 단열 프레임의 바닥면에는, 상기 개구부를 따라 연장되며, 상기 광원으로부터 발생되는 열을 방출시키는, 방열통로가 형성된 것을 특징으로 하는 냉장고용 투시도어.
- 제7항에 있어서,상기 방열통로의 일측에 상기 방열통로로 공기를 유동시키도록 설치된 팬(fan);을 더 포함하는 것을 특징으로 하는 냉장고용 투시도어.
- 제3항 및 제4항 중 어느 한 항에 있어서,상기 선택된 광투과율은 5% ~ 15% 인 것을 특징으로 하는 냉장고용 투시도어.
- 내부공간을 선택적으로 투시할 수 있는 냉장고에 있어서,내부공간이 형성된 본체; 그리고상기 본체에 설치되며, 상기 제1 발광상태에서는 상기 외측에서 육안으로 상기 내부공간을 투시할 수 없도록 하고, 상기 제2 발광상태에서는 상기 외측에서 육안으로 상기 내부공간을 투시할 수 있도록 하는 제1항의 냉장고용 투시도어;를 포함하는 것을 특징으로 하는 냉장고.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202080040562.2A CN113939703B (zh) | 2019-07-05 | 2020-04-07 | 冰箱用透视门及具有其的冰箱 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190081371A KR102319283B1 (ko) | 2019-07-05 | 2019-07-05 | 냉장고용 투시도어 및 이를 가지는 냉장고 |
KR10-2019-0081371 | 2019-07-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021006463A1 true WO2021006463A1 (ko) | 2021-01-14 |
Family
ID=74113926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2020/004673 WO2021006463A1 (ko) | 2019-07-05 | 2020-04-07 | 냉장고용 투시도어 및 이를 가지는 냉장고 |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR102319283B1 (ko) |
CN (1) | CN113939703B (ko) |
WO (1) | WO2021006463A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024084313A1 (en) * | 2022-10-19 | 2024-04-25 | Cisaplast S.P.A. | Door for a refrigerator cabinet |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006133583A (ja) * | 2004-11-08 | 2006-05-25 | Nec Lcd Technologies Ltd | 液晶表示装置 |
KR20160149701A (ko) * | 2015-06-19 | 2016-12-28 | 빛기술 주식회사 | 방열 구조를 갖는 엘이디 조명장치 |
KR20170082093A (ko) * | 2016-01-05 | 2017-07-13 | 엘지전자 주식회사 | 냉장고 및 냉장고의 라이팅 유닛 |
KR20180067360A (ko) * | 2016-12-12 | 2018-06-20 | 엘지전자 주식회사 | 냉장고 |
KR101941850B1 (ko) * | 2017-12-12 | 2019-01-24 | (주)일월아이에스비 | 조형물로 사용이 가능한 경관 조명등 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3944530B2 (ja) * | 2002-02-26 | 2007-07-11 | 日立アプライアンス株式会社 | 冷蔵庫 |
CN202869133U (zh) * | 2012-11-02 | 2013-04-10 | 青岛德莱维电器有限公司 | 展示用途冰箱内部的照明方式 |
US9797650B2 (en) * | 2014-01-10 | 2017-10-24 | Illinois Tool Works Inc. | Thermally insulated door assembly and method |
KR20160095374A (ko) * | 2015-02-03 | 2016-08-11 | 엘지전자 주식회사 | 투명 디스플레이를 갖는 쿨러 |
CN205262040U (zh) * | 2015-11-06 | 2016-05-25 | 上海九山电子科技有限公司 | 半透明液晶显示冷柜门 |
KR20180024352A (ko) * | 2016-08-29 | 2018-03-08 | 엘지전자 주식회사 | 냉장고 |
CN207264059U (zh) * | 2017-10-10 | 2018-04-20 | 深圳市志凌信电子有限公司 | 一种220rgb液晶显示屏 |
-
2019
- 2019-07-05 KR KR1020190081371A patent/KR102319283B1/ko active IP Right Grant
-
2020
- 2020-04-07 CN CN202080040562.2A patent/CN113939703B/zh active Active
- 2020-04-07 WO PCT/KR2020/004673 patent/WO2021006463A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006133583A (ja) * | 2004-11-08 | 2006-05-25 | Nec Lcd Technologies Ltd | 液晶表示装置 |
KR20160149701A (ko) * | 2015-06-19 | 2016-12-28 | 빛기술 주식회사 | 방열 구조를 갖는 엘이디 조명장치 |
KR20170082093A (ko) * | 2016-01-05 | 2017-07-13 | 엘지전자 주식회사 | 냉장고 및 냉장고의 라이팅 유닛 |
KR20180067360A (ko) * | 2016-12-12 | 2018-06-20 | 엘지전자 주식회사 | 냉장고 |
KR101941850B1 (ko) * | 2017-12-12 | 2019-01-24 | (주)일월아이에스비 | 조형물로 사용이 가능한 경관 조명등 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024084313A1 (en) * | 2022-10-19 | 2024-04-25 | Cisaplast S.P.A. | Door for a refrigerator cabinet |
Also Published As
Publication number | Publication date |
---|---|
KR102319283B1 (ko) | 2021-11-01 |
CN113939703B (zh) | 2023-07-18 |
KR20210004640A (ko) | 2021-01-13 |
CN113939703A (zh) | 2022-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014069872A1 (en) | Refrigerator | |
WO2020204448A1 (en) | Display device including radiant heat blocking layer | |
TWI303739B (en) | Backlight unit and liquid crystal display using the same | |
WO2012134190A2 (en) | Display apparatus | |
US20210231998A1 (en) | Display apparatus | |
WO2021006463A1 (ko) | 냉장고용 투시도어 및 이를 가지는 냉장고 | |
US20010021006A1 (en) | Lamp House and projector device thereof | |
WO2020067634A1 (ko) | 상태감지 투시 보관함 | |
EP3320569A1 (en) | Led panel lighting system | |
WO2017039186A1 (ko) | 냉장고 | |
WO2020141919A1 (en) | Display apparatus | |
WO2020204271A1 (ko) | 디스플레이 디바이스 | |
US7540632B2 (en) | Spectrally controlled display backlight emissions for night vision imaging system compatibility | |
CN115685649A (zh) | 具有冷却的内部照明器的摄像机组件 | |
WO2015167056A1 (ko) | 영상출력 도어가 구비된 냉장고 | |
WO2020122431A1 (ko) | 냉장고 | |
WO2015084016A1 (ko) | 램프 유닛 및 이를 이용하는 조명 장치와 차량 램프 | |
WO2021145530A1 (ko) | 광 투과 가변 패널 및 이를 구비한 도어 | |
WO2021015433A1 (en) | Display apparatus | |
KR20120112494A (ko) | 조명 장치 | |
WO2021132915A1 (ko) | 냉장고 | |
WO2022054975A1 (ko) | 하이브리드 광원으로 구성된 광학계 및 그를 포함하는 프로젝터 장치 | |
WO2021118066A1 (ko) | 스피커 장치 및 이를 포함하는 냉장고 | |
WO2014116031A1 (ko) | Led 램프 | |
WO2023027369A1 (ko) | 냉장고 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20836657 Country of ref document: EP Kind code of ref document: A1 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20836657 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 30/06/2022) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20836657 Country of ref document: EP Kind code of ref document: A1 |