EP2815193A1 - Kältegerät mit indirekter kühlkammerbeleuchtung - Google Patents
Kältegerät mit indirekter kühlkammerbeleuchtungInfo
- Publication number
- EP2815193A1 EP2815193A1 EP13703064.9A EP13703064A EP2815193A1 EP 2815193 A1 EP2815193 A1 EP 2815193A1 EP 13703064 A EP13703064 A EP 13703064A EP 2815193 A1 EP2815193 A1 EP 2815193A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- cooling chamber
- refrigerating appliance
- appliance according
- illumination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0044—Household appliances, e.g. washing machines or vacuum cleaners
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
-
- 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
Definitions
- Refrigeration unit with indirect cooling chamber lighting
- the present invention relates to a refrigerator with indirect cooling chamber illumination.
- Cold rooms in refrigerators are used to store refrigerated goods to be cooled. For better visibility of the chilled goods for the user, the cold rooms are illuminated. This raises the problem of illuminating different areas of the interior of a refrigerator.
- the document 102009028783 proposes for this purpose to provide an interior light in a domestic appliance, in particular in a refrigerator, which emits the light in a specific solid angle segment. It is characterized by the fact that the spatial orientation of the solid angle segment is adjustable. As a result, different areas of the household appliance can be illuminated efficiently. It is an object of the present invention to provide a refrigeration device available in which different areas of the refrigerator are simultaneously and uniformly illuminable.
- a refrigerator according to the invention has at least one cooling chamber, which is formed by walls and at least one door, wherein the refrigeration appliance has a lighting device with at least one light source, which is set up to indirectly illuminate the cooling chamber inside.
- the indirect lighting allows a particularly uniform glare-free illumination of the interior of the cooling chamber. In this case, the shadowing is kept low by objects that are located near the light source.
- a shield is provided for partially shielding the direct light irradiation of light from the illumination device in the direction of the interior of the refrigerated goods chamber. By the shield, the direct light irradiation of light of the illumination device in the direction of the interior of the refrigerated goods can be prevented at least partially.
- the indirect shielded illumination of the interior of the cooling chamber is well lit, the user is not dazzled by a direct eye contact with the lighting device, in particular the very bright light sources.
- This glare-free illumination of the cooling chamber offers the user a good, low-shadow view of the stored in the cooling chamber refrigerated goods.
- the illumination device is designed to produce coronal light. Under coronal view is understood here that direct light is covered. As a result, glare-free light can be generated.
- the illumination source is at least partially covered by a luminous edge or arranged behind a luminous edge.
- the luminous edge is formed, for example, as a semi-transparent shield.
- At least partial areas of the walls are set up to act as a reflector for the light generated by the lighting device.
- the walls are provided with a bright, well-reflecting surface.
- the surface is rather reflective matt to avoid reflections and glare of the operator.
- the light output can be improved thereby. This allows the provision of light sources with low electrical power, whereby the energy consumption of the refrigerator can be lowered and the energy efficiency can be increased.
- the illumination device is set up to illuminate individual areas, in particular the corners of the cooling chamber, in a directed manner.
- the corners ie the areas where the walls of the cooling chamber run together, are often poorly lit.
- a directed illumination of these areas a high light intensity can also be provided there, so that, for example, dark corner areas in the cooling chamber are avoided.
- the illumination device has at least one light-emitting diode and / or fluorescent lamp and / or halogen lamp as the light source.
- Light-emitting diodes offer the great advantage of being particularly energy-efficient, ie providing a large amount of light with low power consumption.
- the energy consumption of the refrigeration device with respect to the lighting can be reduced, as well as a heating of the cooling chamber can be reduced by the light source.
- Second allows the realization of a reduction of the cooling capacity of the refrigeration device to be provided.
- the fluorescent lamp is particularly inexpensive to provide and allows the delivery of light over a relatively large area. This allows a particularly homogeneous illumination of the cooling chamber can be easily realized.
- the illumination device has at least one light guide connected downstream of the light source, which is set up for coupling in light of the light source and relaying the light.
- the light can be forwarded by means of the light guide and decoupled again, and then to illuminate a certain area of the cooling chamber.
- the optical waveguide can also be provided in a dividing manner, so that the coupled-in light can be transported to different locations via different branches of the optical waveguide.
- the light guide allows a more flexible distribution of the light generated by the light source in the cooling chamber. Furthermore, a spatial decoupling of the light source and the illuminated area of the cooling chamber can be realized. To decouple the light from the light guide at the desired location, the light guide has light extraction areas. These are formed, for example, as regions of the light guide with a reduced reflection of the interface of the light guide.
- the light source can be arranged, for example, outside the cooling chamber, in which case the light is conducted by means of the light guide to the points to be illuminated of the cooling chamber.
- the light guide may, for example, have a plurality of light extraction areas.
- the optical waveguide can be made, for example, essentially from plastic, in particular polycarbonate or polymethyl methacrylate.
- the light guide has, for example, differently colored transparent colored light extraction areas. This makes it possible to illuminate different areas of the refrigerator in different colors. For example, it is possible to emphasize functional areas in the cold room, eg switches, by means of a special color scheme or a reinforced lighting.
- the multiple light extraction areas make it possible to reduce the electrical outlay on light sources and cabling, which saves costs and increases the reliability of the refrigeration device due to the reduced electrical system. For the same reason, a plurality of different light sources can also be provided, which emit light in different colors and / or light intensities.
- the illumination device is set up to illuminate the cooling chamber in a time-varying manner with light in different colors.
- the light intensity can thereby be e.g. be increased slowly or rapidly after opening the door of the cooling chamber to avoid blinding the user. It is also possible to store the refrigerator depending on the time of day, e.g. in the morning with a color spectrum rather into the blue and in the evening rather into the red, to illuminate.
- the light guide extends in the region of an air duct for ventilating the cooling chamber, in particular on the rear wall of the cooling chamber.
- the light guide can be arranged very space-saving.
- the light guide is protected in the region of the air duct against damage. An introduction of additional wells in the walls of the refrigerator for particularly protected housing of the light guide is thereby unnecessary. This makes the refrigerator easier and cheaper to produce.
- the air duct allows a passage of the light guide to the outside of the cooling chamber, so that a light source arranged outside the cooling chamber can be used to illuminate the cooling chamber.
- a light-reflecting shield of the respective light source is arranged to shield the light toward the interior of the cooling chamber.
- the light that from the light source or the light guide strikes the shield, is not easily absorbed, but reflected in the cooling space.
- This makes it possible to increase the luminous efficacy and thus to increase the efficiency. Overall, this makes the illumination of the cooling chamber more uniform. As a result, it is also possible to achieve an increased reduction of punctual reflections in the cooling space by the light source.
- the shield may for example also be slightly translucent, whereby the illumination of the cooling chamber is more homogeneous and dark spots are avoided.
- the light guide is provided horizontally around the cooling chamber. This results in a particularly homogeneous light distribution in the cooling chamber.
- a refrigeration cycle of the refrigeration device comprises, for example, a compressor for compressing refrigerant vapor, a condenser downstream of the compressor for condensing the refrigerant vapor, and an evaporator downstream of the condenser and upstream of the compressor for vaporizing the liquefied refrigerant.
- the compressor is like the evaporator for heat transfer between the supplied air and the fluid of the refrigeration circuit set.
- Under refrigeration device is in particular a household refrigeration appliance understood, ie a refrigerator, which is used for household management in the household or catering trade, and in particular serves to store food and / or drinks at certain temperatures, such as a refrigerator, a freezer, a refrigerator combination, a freezer or a wine fridge.
- a refrigerator which is used for household management in the household or catering trade, and in particular serves to store food and / or drinks at certain temperatures, such as a refrigerator, a freezer, a refrigerator combination, a freezer or a wine fridge.
- Further possible implementations of the invention also include not explicitly mentioned combinations of features described above or below with regard to the exemplary embodiments.
- the expert will also add individual aspects as improvements or additions to the respective basic form of the refrigeration device.
- Figure 1 a schematic sectional view of a refrigerator according to a first
- Figure 2 is a schematic sectional view as a partial view of a refrigerator according to a second embodiment.
- Figure 3 a schematic sectional view of a refrigerator according to a third
- FIG. 1 shows a schematic sectional view of a refrigerator 1 according to a first embodiment.
- the refrigeration device 1 has a cooling chamber 3 located in its interior for receiving refrigerated goods.
- the cooling chamber 3 is shown here essentially with a rectangular cross-section.
- the cooling chamber 3 is formed by walls 3a, 3b, 3c, 3d and at least one door 4, which bound the interior of the cooling chamber 3 to the outside.
- the door 4 is used to access the arranged in the cooling chamber 3 refrigerated goods.
- the cooling chamber 3 can be cooled, for example, by means of a coolant circuit, not shown here, of the refrigeration device.
- the refrigeration device 1 further has a lighting device 5 for internal illumination of the cooling chamber 3.
- the interior formed by the cooling chamber 3 can therefore be illuminated by the illumination device 5.
- the lighting device 5 has at least one light source 7.
- the lighting device 5 is set up to indirectly illuminate the cooling chamber 3 inside.
- the illumination device 5 has a shield 15, which at least partially prevents the direct irradiation of light from the illumination device 5 in the direction of the interior of the refrigerated goods chamber 3.
- the illumination device 5 has a light guide 9 connected downstream of the light source. The light guide 9 is arranged so that the light which generates the light source 7, in the light guide 9 can be coupled and forwarded from this.
- the light can thereby be forwarded by the light guide 9 from the light source 7 and decoupled again, in order then to illuminate a region of the cooling chamber 3 remote from the light source 7.
- the Optical fiber 9 is made in this embodiment of polymethyl methacrylate, so that it is well adapted to the contour of the cooling chamber 3.
- the light guide 9 has light extraction areas 13. These are formed in this embodiment as regions of the light guide 9 with a reduced reflection of the interface of the light guide 9.
- several points of the cooling chamber 3 can be illuminated by means of the light guide 9 with a plurality of light extraction areas 13. As a result, the light can be efficiently and inexpensively distributed in the cooling chamber 3.
- FIG. 2 shows a schematic sectional view as a partial view of a refrigerator 1 according to a second embodiment.
- a wall 3b of the cooling chamber 3, here the rear wall, however, has an air duct 1 1 for ventilation of the cooling chamber.
- the air duct 1 1 is shown in section.
- the light guide 9 extends in the region of the air channel 1 1.
- the light guide 9 can be arranged very space-saving.
- the light guide is protected in the region of the air channel 1 1 against damage.
- the air duct 1 1 allows a passage of the light guide 9 to the outside of the cooling chamber 3, so that a light source 7 arranged outside the cooling chamber 3 can be used to illuminate the cooling chamber 3.
- the vertically extending air duct 1 1 also allows a good light distribution over a large height range within the cooling chamber. 3
- FIG. 3 shows a schematic sectional view of a refrigerator 1 according to a third embodiment.
- a light guide 9 extends, in which the light from a light source 7 is coupled. This page is thereby illuminated in particular via the light guide 9.
- Light-outcoupling regions 13 provided on the light guide 9 allow uniform light distribution over a wide range.
- several light sources 7 for indirect illumination of the side 3c are arranged. The light distribution is improved by a shield 15 arranged on the side 3c, which enables indirect illumination of the interior of the cooling chamber 3, by partially preventing direct irradiation from the light sources 7 in the direction of the interior of the cooling chamber 3.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012202322A DE102012202322A1 (de) | 2012-02-16 | 2012-02-16 | Kältegerät mit indirekter Kühlkammerbeleuchtung |
PCT/EP2013/052431 WO2013120759A1 (de) | 2012-02-16 | 2013-02-07 | Kältegerät mit indirekter kühlkammerbeleuchtung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2815193A1 true EP2815193A1 (de) | 2014-12-24 |
Family
ID=47678831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13703064.9A Withdrawn EP2815193A1 (de) | 2012-02-16 | 2013-02-07 | Kältegerät mit indirekter kühlkammerbeleuchtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US9671104B2 (zh) |
EP (1) | EP2815193A1 (zh) |
CN (1) | CN104114966B (zh) |
DE (1) | DE102012202322A1 (zh) |
WO (1) | WO2013120759A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL3452769T3 (pl) * | 2016-05-06 | 2020-10-19 | Arçelik Anonim Sirketi | Urządzenie chłodzące oświetlone przez pokrywę przymocowaną do tylnej ścianki |
DE102016216276B4 (de) * | 2016-08-30 | 2022-12-01 | Volkswagen Aktiengesellschaft | Innenraumverkleidung für ein Kraftfahrzeug |
DE102016217836A1 (de) * | 2016-09-19 | 2018-03-22 | BSH Hausgeräte GmbH | Beleuchtungsmodul für Dunstabzugshaube und Dunstabzugshaube |
EP3532785B1 (en) * | 2016-10-26 | 2023-05-24 | Whirlpool Corporation | Refrigerator with surround illumination feature |
DE102018003584B4 (de) * | 2018-05-03 | 2021-02-25 | Emz-Hanauer Gmbh & Co. Kgaa | Haushalts-Kühlgerät mit einer Wandleuchte |
DE102018004981B4 (de) * | 2018-06-19 | 2021-09-02 | Emz-Hanauer Gmbh & Co. Kgaa | Leuchte für ein elektrisches Haushaltsgerät |
DE102019116794A1 (de) * | 2019-03-22 | 2020-09-24 | Liebherr-Hausgeräte Ochsenhausen GmbH | Kühl- und/oder Gefriergerät |
US11137202B2 (en) | 2019-09-25 | 2021-10-05 | Electrolux Home Products, Inc. | Modular LED illumination device |
CN115962431A (zh) * | 2021-10-08 | 2023-04-14 | 博西华电器(江苏)有限公司 | 一种照明装置及制冷器具 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090021927A1 (en) * | 2007-07-20 | 2009-01-22 | Electrolux Home Products, Inc. | Refrigerator shelf led lighting |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4404247A1 (de) | 1994-02-10 | 1995-08-24 | Opto Tec Gmbh | Beleuchtungssystem für die Innenbeleuchtung von Kühlmöbeln, Vitrinen und dergleichen |
WO1997026573A1 (en) * | 1996-01-19 | 1997-07-24 | Lumenyte International Corporation | Side lighting optical conduit |
JP2000258051A (ja) | 1999-03-03 | 2000-09-22 | Sanyo Electric Co Ltd | 冷蔵庫等の照明装置 |
DE10338661A1 (de) * | 2003-08-22 | 2005-03-17 | Elektromanufaktur Zangenstein Hanauer Gmbh & Co. Kgaa | Vorrichtung zum Verteilen von Licht, insbesondere als Beleuchtungseinrichtung für einen Kühlschrank oder dergleichen |
DE102004021858A1 (de) | 2004-05-04 | 2005-12-01 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät mit Innenraumbeleuchtung und Beleuchtungsbaugruppe dafür |
JP2005344976A (ja) * | 2004-06-01 | 2005-12-15 | Toshiba Corp | 冷蔵庫 |
EP1630500A2 (en) * | 2004-08-26 | 2006-03-01 | Samsung Electronics Co., Ltd. | Refrigerator |
JP2006162211A (ja) * | 2004-12-10 | 2006-06-22 | Toshiba Corp | 冷蔵庫 |
US7513637B2 (en) * | 2004-12-23 | 2009-04-07 | Nualight Limited | Display cabinet illumination |
DE102005021562A1 (de) | 2005-05-10 | 2006-11-16 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerät mit Innenraumbeleuchtung |
US7588342B2 (en) * | 2006-04-24 | 2009-09-15 | Energy Focus, Inc. | Lighted refrigerated display case with remote light source |
CN101240974B (zh) | 2007-02-07 | 2011-02-02 | 海尔集团公司 | 冰箱抽屉的照明装置 |
ES2379509T3 (es) | 2008-05-02 | 2012-04-26 | Arçelik Anonim Sirketi | Frigorífico |
CH703147B1 (de) | 2008-06-04 | 2011-11-30 | Forster Kuechen & Kuehltechnik Ag | Kühlschrank mit schalenförmigem Innenbehälter. |
KR101110507B1 (ko) | 2008-10-13 | 2012-01-31 | 엘지전자 주식회사 | 냉장고 및 냉장고 내부 조명장치 |
DE102008044302A1 (de) * | 2008-12-03 | 2010-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Kältegerätekorpus mit Innenbeleuchtung |
US8490426B2 (en) | 2009-01-15 | 2013-07-23 | Lg Electronics Inc. | Door basket for refrigerator |
CN102803879B (zh) | 2009-06-15 | 2015-02-25 | 夏普株式会社 | 冰箱 |
US8656728B2 (en) * | 2010-10-21 | 2014-02-25 | General Electric Company | Water filter with performance indicating device and refrigeration appliance including same |
EP2543944A1 (de) | 2011-07-06 | 2013-01-09 | Forster Küchen- & Kühltechnik AG | Kühlschrank |
-
2012
- 2012-02-16 DE DE102012202322A patent/DE102012202322A1/de not_active Withdrawn
-
2013
- 2013-02-07 US US14/379,179 patent/US9671104B2/en not_active Expired - Fee Related
- 2013-02-07 EP EP13703064.9A patent/EP2815193A1/de not_active Withdrawn
- 2013-02-07 WO PCT/EP2013/052431 patent/WO2013120759A1/de active Application Filing
- 2013-02-07 CN CN201380009732.0A patent/CN104114966B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090021927A1 (en) * | 2007-07-20 | 2009-01-22 | Electrolux Home Products, Inc. | Refrigerator shelf led lighting |
Also Published As
Publication number | Publication date |
---|---|
CN104114966B (zh) | 2016-10-26 |
US9671104B2 (en) | 2017-06-06 |
CN104114966A (zh) | 2014-10-22 |
WO2013120759A1 (de) | 2013-08-22 |
US20150247634A1 (en) | 2015-09-03 |
DE102012202322A1 (de) | 2013-08-22 |
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