EP3237670B1 - Household appliance having light source - Google Patents

Household appliance having light source Download PDF

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Publication number
EP3237670B1
EP3237670B1 EP15813120.1A EP15813120A EP3237670B1 EP 3237670 B1 EP3237670 B1 EP 3237670B1 EP 15813120 A EP15813120 A EP 15813120A EP 3237670 B1 EP3237670 B1 EP 3237670B1
Authority
EP
European Patent Office
Prior art keywords
light
light guide
guide bar
housing
light source
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.)
Active
Application number
EP15813120.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3237670A1 (en
Inventor
Jianmin Cui
Xuebin Gu
Alexander Schlaß
Yang ZHAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3237670A1 publication Critical patent/EP3237670A1/en
Application granted granted Critical
Publication of EP3237670B1 publication Critical patent/EP3237670B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F34/32—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by graphical features, e.g. touchscreens
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges

Definitions

  • the present invention relates to components of a household appliance, and in particular, to a light-emitting apparatus of the household appliance.
  • Patent DE 196 49 039 C1 discloses a washing machine comprising an illumination device.
  • light-emitting apparatuses are disposed on enclosures of some household appliances.
  • the light-emitting apparatus includes a light source such as an LED lamp, and a light guide element that guides the light source to a target position or coverts the light source to a target shape.
  • An invention patent No. CN1318679C discloses a washing machine with a door on which a light-emitting element is disposed.
  • a light-emitting apparatus needs to be disposed on a mechanical part that is movable relative to an enclosure, such as a door, windows, a drawer panel, or the like
  • both the light source and a light guide element are often disposed on the movable mechanical part, where the light source is connected to a power supply module within the enclosure to obtain necessary electricity.
  • a wire is connected between the enclosure and the mechanical part that is movable relative to the enclosure, frequent movements of the mechanical part lead fatigue wear of the wire, thereby inducing a risk of electric leakage.
  • An objective of the present invention is to reduce or avoid defects in the prior art.
  • a household appliance including a housing that forms an appearance body of the household appliance, where the housing has an opening portion, a cover that is movably disposed on the housing to open or close the opening portion and a light source is provided on the housing, and a light guide element is provided on the cover, where the light source is fixed on the housing, and a light receiving end of the light guide element passes through a movement gap between the cover and the housing to approach or connect to the light source.
  • the household appliance may include, but is not limited to, a washing machine, a refrigerator, a range hood, an air conditioner, a dishwasher, a microwave oven, a vacuum cleaner, and the like.
  • the cover may refer to external mechanical parts installed on the enclosure, such as a door, windows, a drawer panel, and the like.
  • the light source is fixed on the housing, and a wire that connects to the light source is therefore fixed in the housing. Therefore, the problems described above are not generated.
  • the light source is disposed on the housing, and therefore has larger and freer installation space, which is beneficial to disposing of heat dissipation and fixation structures.
  • the light receiving end of the light guide element approaches or connects to the light source by using the light guide element, so that an abutting distance or a connection manner between the light guide element and the light source may be freely adjusted, thereby avoiding light leakage generated because the distance between the light source and the light guide element is excessively large.
  • the light guide element is a flexible light guide bar.
  • the flexible light guide bar avoids damage to the light guide bar generated when the light guide bar moves because of frequent movements of the cover, so that a service life of the light guide bar is prolonged, output of light is more satisfactory, and an installation requirement for the light guide bar is relatively low.
  • the light guide element is a light guide bar with a light transmittable side surface.
  • the light guide bar with a light transmittable side surface may output uniform light, and has low costs.
  • the cover is connected to the housing by using a hinge, and the light receiving end of the light guide element passes through the hinge.
  • a position of the hinge is less visible, thereby avoiding that the aesthetic appearance is affected by exposure of the light guide bar.
  • the connection distance by means of the hinge is relatively shortest, which reduces usage of materials.
  • the light guide element is fixed relative to the hinge, and is not directly connected to the light source or the housing. Because the hinge is fixed relative to the cover, the light guide bar is also cover fixed relative to the cover; in addition that the light guide bar is not directly connected to the light source or the housing, in a process in which the cover is pivoted relative to the housing, the light guide bar has no fatigue movement; therefore, wear is avoided.
  • a gap is reserved between the light receiving end of the light guide element and the light source.
  • a gap is reserved between the light receiving end of the light guide element and the light source.
  • a washing machine 100 has a housing 2, a control panel 4 installed on the housing 2, a drawer 6 disposed on the housing 2, and a door 10 that is installed on the housing 2 to close a laundry delivery and fetch opening 3 on the housing 2.
  • the door 10 is connected to the housing 2 by using a hinge 12.
  • the drawer 6 has a drawer panel 8 that fits with the housing 2.
  • the washing machine 100 further has a control apparatus 1 that controls various circuit modules within the washing machine 100, thereby controlling running of the washing machine 100.
  • the door 10 has an enclosed circular light-emitting ring, where an elongated first light-emitting segment a1, a second light-emitting segment of a2, a third light-emitting segment a3, and a fourth light-emitting segment a4 are continuously connected to form the enclosed circular light-emitting ring.
  • Four light sources 14 are provided at a position close to the hinge 12 on the housing 2. Each light source 14 corresponds to one of light-emitting segments of a1 to a4.
  • the control apparatus 1 controls the light source 14 to be turned on or turned off.
  • the seventh light-emitting segment c1 and the eighth light-emitting segment d1 may also be formed by connecting multiple light-emitting segments.
  • Light-emitting states of the forgoing light-emitting segments of a1 to a4, b1, b2, c1, and d1 are controlled by the control apparatus 1, so that the light-emitting segments are turned on or turned off at the same time or at different times, or gradually become brighter or gradually fade away at the same time or at different times, or emit light in different colors, so as to produce a decorative effect, and/or indicate different running states of the washing machine 100 to a user that or send warning information.
  • the first light-emitting segment a1, the second light-emitting segment a2, the third light-emitting segment a3, and the fourth light-emitting segment a4 on the door 10 are sequentially turned on and turned off to indicate running of a program, or the first light-emitting segment a1, the second light-emitting segment a2, the third light-emitting segment a3, and the fourth light-emitting segment a4 are turned on at the same time and turned off at the same time at a preset frequency to prompt ending of a program.
  • a light-emitting module 140 is fixed on the housing 2, and the light-emitting module 140 is connected to the control apparatus 1 (not shown in the accompanying drawings) by using a wire (not shown in the accompanying drawings).
  • a light guide bar 16 is fixed on door 10, and a light receiving end 161 thereof passes through a hole or gap 18 on the hinge 12 to approach the light-emitting module 140, and is opposite to the light-emitting module 140, so as to receive light emitted from the light-emitting module 140.
  • the light guide bar 16 is fixed relative to the hinge 12, for example, the light guide bar 16 is clamped in the hole or gap 18 on the hinge 12, and the light receiving end 161 of the light guide bar 16 is not directly connected to the light-emitting module 140.
  • the light receiving end 161 of the light guide bar 16 leaves or approaches the light-emitting module 140 as the door 10 is opened or closed. When the door 10 is closed, a gap is reserved between the light receiving end 161 of the light guide bar 16 and the light-emitting module 140.
  • a light receiving end 1610 of the light guide bar and a light-emitting module 1400 may have another assembling mode: the light-emitting module 1400 is fixed on the door 10, and a wire 20 connected to the light-emitting module 1400 passes through the hinge 12 and then is connected to the control apparatus 1 disposed in the housing 2.
  • the light-emitting module 140 around the hinge 12 includes a light-emitting base 141, and four light sources 14 are fixed in the light-emitting base 141.
  • a light transmittable plate or light transmittable film 142 is provided in a light emitting direction of the light source 14.
  • the light receiving end 161 of the light guide bar 16 is disposed opposite to the light-emitting module 140.
  • Light receiving ends 161 of the four light guide bars 16 are also integrated on one light guide base 162, and a light transmittable plate or light transmittable film 163 is also provided in a light receiving direction thereof.
  • the light receiving end 161 of each light guide bar 16 is separately opposite to one of the light sources 14, so as to receive light from the light source 14.
  • a relative distance D between the light source 14 and the light guide element 16 is greater than or equal to a preset value D0, the light source 14 is to be closed.
  • a relative distance D between the light source 14 and the light guide element 16 is greater than or equal to a preset value D0, the light source 14 is to be closed.
  • the light source 14 is turned on. It may be understood that, a prerequisite is that the control apparatus is powered on.
  • the relative distance D between the light source 14 and the light guide element 16 may be measured by using a sensor (not shown in the accompanying drawings), or a micro switch (not shown in the accompanying drawings) electrically connected to the light source 14 is disposed at a suitable position.
  • a sensor not shown in the accompanying drawings
  • a micro switch not shown in the accompanying drawings
  • the light guide bar 16 is preferably a flexible fiber whose side surface is light transmittable, and is in an elongated and cylindrical structure. Light is uniformly emitted from the side surface after entering the light guide bar 16 from the receiving end 161, so that the side surface of the entire light guide bar 16 is luminous.
  • a light guide fiber with this feature may be purchased from the market.
  • a guide slot 22 whose entirety extends in an arc is provided in the door 10.
  • a cross sectional shape of the guide slot 22 is an arc that matches a cross sectional shape of the light guide bar 16.
  • a light transmittable plate 24 covers an outer side of the light guide bar 16, so that light that passes through the light guide bar 16 can be emitted from the light transmittable plate 24.
  • the light transmittable plate 24 forms at least one part of an outer surface of the door 10.
  • light shading plates 26 may be disposed at two sides of the light transmittable plate 24.
  • the shape of the light transmittable plate 26 may adapt to the shape of the light guide bar 16.
  • FIG. 10 shows arrangement structures of two light guide bars of 16a and 16b, which is described in detail below.
  • the door 10 has a light transmittable outer surface 101.
  • the most part of the first light guide bar 16a is directly located below the light transmittable plate 24, and light emitted from the most part may pass through the outer surface 101 of the door, and form, on the outer surface 101 of the door 10, the first light-emitting segment a1.
  • An axial first part 16b1 of the second light guide bar 16b extends within an opaque mechanical part 30, and light emitted from the first part 16b1 cannot pass through the outer surface 101 of the door.
  • the second light guide bar 16b further has an axial second part 16b2, where the part is not shaded by the opaque mechanical element 30, and is directly located below the light transmittable plate 24, and light emitted from the second part 16b2 can pass through the outer surface 101 of the door, and form, on the outer surface 101 of the door 10, the second light-emitting segment a2.
  • the second part 16b2 of the second light guide bar 16b is way from a light receiving end 161b of the second light guide bar 16b.
  • An end 162a, away from a light receiving end 161a thereof, of the first light guide bar 16a overlaps a connection 160b of the first part 16b1 and the second part 16b2 on the second light guide bar 16b, so that projections of the light transmittable part of the first light guide bar 16a, and the second part 16b2 of the second light guide bar 16b onto the outer surface 101 of the door 10 are connected to each other.
  • the first light-emitting segment a1 and the second light-emitting segment a2 are connected to each other.
  • An overlapping area 32 of the first light guide bar 16a and the second light guide bar 16b corresponds to a connection area 34 of the first light-emitting segment a1 and the second light-emitting segment a2.
  • each of the first light guide bar 16a and the second light guide bar 16b deviates from an axial direction to deflect at a specific angle, where a deflection direction for example, is shown in the embodiment shown in the figure: the first light guide bar 16a laterally deflects at a specific angle and then deflects downward, so that an end surface 1600a thereof deviates from a direction of the outer surface 101 of the door 1; and the second light guide bar 16b directly deflects downward, so that an end surface 1600b thereof also deviates from the direction of the outer surface 101 of the door 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Planar Illumination Modules (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP15813120.1A 2014-12-26 2015-12-10 Household appliance having light source Active EP3237670B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410828992.7A CN105782805A (zh) 2014-12-26 2014-12-26 具有光源的家用电器
PCT/IB2015/059512 WO2016103095A1 (en) 2014-12-26 2015-12-10 Household appliance having light source

Publications (2)

Publication Number Publication Date
EP3237670A1 EP3237670A1 (en) 2017-11-01
EP3237670B1 true EP3237670B1 (en) 2021-04-14

Family

ID=54884109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15813120.1A Active EP3237670B1 (en) 2014-12-26 2015-12-10 Household appliance having light source

Country Status (4)

Country Link
EP (1) EP3237670B1 (da)
CN (1) CN105782805A (da)
RU (1) RU2685880C2 (da)
WO (1) WO2016103095A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017002302A1 (de) * 2016-11-30 2018-05-30 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
CN107299496A (zh) * 2017-07-17 2017-10-27 青岛海尔滚筒洗衣机有限公司 一种洗衣机前板、加工方法及洗衣机
CN109798728B (zh) * 2019-01-11 2024-01-16 深圳和而泰智能控制股份有限公司 照明灯及冰箱
US11851805B2 (en) 2021-11-22 2023-12-26 Whirlpool Corporation Deflector assembly for laundry appliance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19649039C1 (de) * 1996-11-27 1998-04-30 Bauknecht Hausgeraete Trommelwaschmaschine mit einer Beleuchtungseinrichtung
DE10144668A1 (de) 2001-09-11 2003-03-27 Bsh Bosch Siemens Hausgeraete Anzeige an einem Haushaltgerät
DE102004016643A1 (de) * 2004-03-30 2005-10-27 Whirlpool Corp., Benton Harbor Waschmaschine
ITRN20100005A1 (it) * 2010-03-02 2011-09-03 Indesit Co Spa Elettrodomestico
CN202262942U (zh) * 2011-09-01 2012-06-06 黄有光 一种二合一uv吸尘器
DE102012212550A1 (de) * 2012-07-18 2014-01-23 BSH Bosch und Siemens Hausgeräte GmbH Beleuchtungseinrichtung an einem Wäschepflegegerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN105782805A (zh) 2016-07-20
RU2017125474A (ru) 2019-01-28
WO2016103095A1 (en) 2016-06-30
RU2685880C2 (ru) 2019-04-23
EP3237670A1 (en) 2017-11-01
RU2017125474A3 (da) 2019-01-28

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