EP1573111B1 - Electrical household appliance equipped with a control device and a display device - Google Patents
Electrical household appliance equipped with a control device and a display device Download PDFInfo
- Publication number
- EP1573111B1 EP1573111B1 EP02764878A EP02764878A EP1573111B1 EP 1573111 B1 EP1573111 B1 EP 1573111B1 EP 02764878 A EP02764878 A EP 02764878A EP 02764878 A EP02764878 A EP 02764878A EP 1573111 B1 EP1573111 B1 EP 1573111B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrical appliance
- domestic electrical
- light
- control device
- appliance according
- 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.)
- Expired - Lifetime
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Classifications
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- 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
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- 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
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
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- 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
- A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels
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- 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
-
- 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
- D06F34/34—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by mounting or attachment features, e.g. detachable control panels or detachable display panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
- G09F23/0058—Advertising on or in specific articles, e.g. ashtrays, letter-boxes on electrical household appliances, e.g. on a dishwasher, a washing machine or a refrigerator
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/58—Indications or alarms to the control system or to the user
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/01—Liquid crystal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
- H01H2219/014—LED
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/028—Printed information
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/064—Optical isolation of switch sites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/012—Household appliance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/006—Containing a capacitive switch or usable as such
Definitions
- the invention relates to an electrical household appliance, in particular a washing machine, a tumble dryer or a dishwasher, with at least one operating device, which is associated with at least one display device for optical operator information.
- the housing of washing machines, dryers, dishwashers or other household electrical appliances of comparable size are usually constructed in several parts and have screens on which controls and display devices are arranged for optical operator information.
- These panels are nowadays mainly made of high-strength, impact-resistant plastic by injection molding.
- the controls in the form of knobs, switches, buttons, touch pads or the like allow the user manual operation of the device.
- Display devices are provided for displaying the device status and / or for displaying values, for example temperature values or the like.
- Multi-segment displays, such as LCD displays are often used to display values.
- LED displays are usually used, which are usually switched so that they light up when a corresponding state is active.
- through-openings adapted to the shape are either already formed during spraying or introduced by subsequent mechanical processing.
- the bezels also offer little flexibility in the variant formation, since for each equipment variant of an electrical household appliance, which is characterized by a certain number and certain types of display devices, specially adapted panels must be kept with a corresponding number of openings.
- the lack of flexibility in variant formation has a detrimental effect on achievable delivery times and the cost of finished devices.
- the WO 98/31864 shows a panel for household appliances with various design options. In order to illuminate operating symbols or backlighting openings are provided in the aperture. A second outer layer of the panel of transparent material covers these recesses and closes them. Light can radiate through the transparent properties of the second layer of material.
- the invention has for its object to provide an electrical household appliance of the type mentioned above, for the production of a high flexibility in the variant formation is given and which is characterized by reliability and attractive design.
- the invention provides an electric household appliance with the features of claim 1. Further, an operating device or a panel for such household electrical appliance with the features of claim 28 is provided.
- Advantageous developments of the invention are specified in the further claims and are explained in more detail below. The wording of all claims is incorporated by express reference into the content of the description.
- the operating device consists at least partially of a covering material which is substantially opaque in the selected for the surface of the operating device standard material thickness.
- the operating device has at least one transillumination area, in which the material thickness of the covering material is reduced in relation to the standard material thickness in such a way that the transillumination area can be transilluminated at least in regions by the light of a light source assigned to the operating device. When the light source is not activated, the transillumination area should be opaque.
- control device can serve a variety of facilities. This will be discussed in more detail.
- Control devices according to the invention therefore do not have to have through holes for the introduction of light sources, displays or the like in the region of the display device. Rather, it is according to the invention with a suitable choice of material for the operating device possible to make them translucent in the transillumination area and otherwise in the environment of the transillumination area and all not required for a visual display functions areas with such a large wall thickness that the control device as a dimensionally stable component a protective function can take over for the arranged behind the control device components.
- the light source is arranged opposite the transillumination region on the rear side of the operating device.
- any suitable plastic can be selected as cover material, for example a suitable ABS plastic, as used, for example, in conventional covers for household appliances or in housings for other electrical appliances.
- cover material for example a suitable ABS plastic, as used, for example, in conventional covers for household appliances or in housings for other electrical appliances.
- plastic diaphragms it is possible to introduce the transillumination region into the component already during the production process by appropriate shaping of the injection tool, so that no mechanical post-processing is necessary.
- the standard material thickness is in the range above 1 mm, in particular at least 2 mm. These material thicknesses are sufficient to ensure sufficient stability even with extensively extended operating devices or, for example, diaphragms. In the fluoroscopy area, however, the material thickness should at least partially be less than 0.8 mm. In particular, it should be between about 0.3 mm and about 0.5 mm. It has been shown that, for example, in ABS plastics material thicknesses of about 0.3 to 0.4 mm for light commercial, equipped with normal brightness light sources, such as LED displays, is sufficiently transparent to clear even in bright rooms To distinguish between turned on and off the light source.
- the invention makes it possible to provide operating devices whose front surface facing the operator is closed in the region of the display device, ie is continuous or continuous. In contrast to conventional control devices so no openings, cracks or the like are present, could penetrate through the example of moisture and / or impurities.
- the front surface is smooth and easy to clean throughout. In many embodiments, it is such that at the front of the aperture in the vicinity of the transillumination area and / or in the transillumination area, a, preferably permanent, label is attached, which recognizes, for example by means of a suitable icon the function to which the corresponding light source is assigned. It may be, for example, printed or laser-processed symbols, numbers, letters and / or the like.
- the invention makes it possible to use the same operating device with a fixed number of fluoroscopy areas for all devices of a device series, which can be characterized by a large number of different equipment variants.
- This number of fluoroscopic areas should correspond to the maximum possible number of states and / or display devices to be displayed. If one or the other function is not provided with simpler equipment variants, the corresponding transillumination area need not be used. He is then not visible in the outer appearance of the aperture, since without backlighting the fluoroscopic areas are usually indistinguishable from the surrounding opaque areas.
- the transillumination region can essentially be characterized by a recess introduced from the rear side into the covering material, in the region of which the material thickness is brought to a transilluminable thickness.
- it is provided to provide the light source facing or zuwendbare back of the operating device in the transillumination area with a macroscopic surface structuring. It may, for example, be a scattering structure that leads to a uniform illumination of a broader range of transillumination contributes, even if only a single, small-area light source is used if necessary.
- a macroscopic surface structuring may have a number of grooves and raised portions, which are then to be dimensioned so that the cover material is so thin at least in partial areas of the grooves that it is transilluminable.
- the raised portions may pass from one to the other of the fluoroscopic area. In this way they contribute to a mechanical stabilization of the transillumination area.
- the macroscopic surface structuring can fulfill a dual function.
- the cross-sectional shape of the grooves may be, for example, V-shaped, U-shaped, trapezoidal or rectangular.
- the shape of the grooves may be rectilinear or curved.
- structures with parallel grooves in one direction or with crossed grooves, for example in two mutually perpendicular directions are possible.
- the raised portions located therebetween may be pyramidal and optionally form a light scattering structure.
- Structures with concentric circles are also conceivable. In all structures, uniform or uneven distances between individual grooves or the like are possible.
- additional light-modifying or light-conducting devices can be arranged. These can consist of separate parts. It is possible to colorize or colorize the facilities. Also suitable are so-called color slices or color filters.
- the light-altering or light-guiding device can be permanently and non-detachably connected to the operating device near or directly at the transillumination area.
- gluing on or an encapsulation or injection offers. Injection is advantageous in a multi-component process.
- the light-altering or light-conducting device can be releasably attached to the operating device.
- screw or Klips- or latching connections are preferably used.
- At least one recess in the form of a multi-segment display in the transillumination area, for example in the form of a seven-segment display.
- Each of the segments can be assigned at least one separately controllable light source to bring the corresponding furrow targeted to appear.
- On the back of the operating device may optionally be formed on the operating device between the individual grooves corresponding to the segments Abschattungsstege or the like, to prevent over-irradiation of light sources in unassigned segment sections.
- Display devices according to the invention can be provided largely separately or in spatial association with other operating elements, such as mechanical buttons, knobs, sliders or the like be.
- an integration of a display device with an associated control element is provided.
- the transillumination area can be assigned a sensor device for generating a switching signal which comprises at least one sensor element which responds when approaching a finger or the like and / or when touching a fingertip or the like in order to initiate the generation of a switching signal (proximity or touch sensor).
- the control element can be designed, for example, as a capacitive control panel in a sandwich construction, as is the case in German utility models DE 201 19 700.6 is disclosed. The relevant disclosure of this application is made by express reference to the content of the present application.
- an operating device may for example be a diaphragm, but also a movable operating device in the form of a rotary or sliding fog or a button.
- a movable operating device may be attached to a panel or a side, advantageously the front, of the household electrical appliance.
- a light source can at least partially protrude into this movable operating device, preferably be arranged therein.
- the light source in the household electrical appliance can be arranged outside the operating device.
- a light-conducting channel lead from the light source to the transillumination area, wherein in particular the light-conducting channel is a light guide.
- the invention also relates to an operating device or a diaphragm of the type described with at least one transillumination region.
- Such controls or panels provide maximum flexibility in the appearance and color of the device operating front, which is formed or embossed by the operator facing the front surface of the panel.
- Inventive panels are easy to produce and mountable. They make it possible in a simple manner to introduce light-conducting and / or illumination-shaping devices into the plastic injection material, for example scattering structures or the like.
- the reliability of the electrical devices equipped with the invention panels increases, since penetration of moisture and impurities in the aperture is reliably avoided.
- the schematic representation in Fig. 1 shows a section through the front panel of a clothes dryer in the region of a user-facing panel 10.
- the panel 10 is a one-piece plastic injection molded component, which is made in the example of ABS plastic.
- the dimensionally stable component has a front side 11 facing the user with a smooth, shiny, closed surface 12.
- the standard material thickness of this diaphragm 10, ie the distance between the front surface 12 and the rear surface 13, is approximately 2.6 mm.
- the visor material ABS is impermeable to visible light, so that the components of the device lying behind the diaphragm, in particular the components of an electronic control, are not visible from the front side.
- the diaphragm material is torsionally rigid, so that the entire panel is self-supporting as a separate component and can be easily mounted on this example, by screws during assembly of the device.
- the aperture is associated with a display device 15 for optical operator information.
- This display device comprises a light-emitting diode designed as a light source 16, which is mounted on a circuit board 17 which is connected by not shown fastening elements with the diaphragm.
- the diaphragm 10 has a circular transillumination region 20, in which the material thickness of the diaphragm material is reduced compared to the standard material thickness 14 such that the transillumination region is at least partially separated from the light of the light source 16 arranged opposite the rear side 13 of the diaphragm its surface is Wegleuchtbar.
- the transillumination region 20 is essentially formed by a region of reduced material thickness in the diaphragm 10. He is surrounded by a circumferential, the light source 16 projecting web 18.
- an approximately circular recess was formed in the manufacture of the diaphragm 10 by injection molding by appropriate shaping of the tool, on whose front side 11 facing bottom macroscopic surface structure in the form of furrows 21 and intermediate raised portions 22 is formed.
- the furrows and raised sections each have a triangular cross-section.
- the material thickness is approximately 0.5 mm, while in the region of the bottoms of the grooves 21 facing the surface 12 it is only approximately 0.3 mm.
- the transillumination region 20 of reduced material thickness has the function of a frosted glass window formed integrally with the surrounding diaphragm material
- the light source 16 facing, structured surface generates a certain scattering effect to allow regardless of the shape of the light source 16, a relatively uniform illumination of the entire transillumination area 20.
- a visually attractive stripe structure within the illuminated area can be seen.
- the light-emitting diode 16 serves as an optical status indicator for a function of the tumble dryer.
- the clothes dryer may be configured to illuminate the light emitting diode 16 when a crease protection function or a dry cycle is engaged.
- An identical or analogously constructed display can also be provided, for example, for the start / stop function. Other modes may also be displayed in the manner shown.
- a marking 25 is applied by printing on the front surface 12 of the diaphragm 10. This comprises a closed ring 26, which encloses the transillumination area, and a symbol 27 characterizing the corresponding function within the ring 26.
- the embodiment shown of an electrical household appliance is characterized by highest ease of use, which is supported by the fact that in this embodiment, the display device is combined with a capacitive actuator in sandwich construction.
- the function indicated by the tag 25 can be turned on or off by the operator by operating a capacitive sensor device.
- the sensor device comprises a sensor element 30 applied to the rear side 13 of the diaphragm 10, which annularly surrounds the transillumination region 20 outside of the web 18, and a controller 31 on the printed circuit board 17.
- a possible construction of such a sensor element and its function will be exemplary in the EP 859 468 whose contents are to this extent made by reference to the content of the present application.
- the size of such a sensor element is in the range of the size of a fingertip, for example, may have a side edge length or a diameter between about 10 mm and about 25 mm.
- An elongated, pin-like contact part 32 extends from the printed circuit board 17 with the controller 31, to which it is electrically conductively connected via a flat contact, up to a contact field of the sensor element 30.
- the sensor element 30 is electrically conductive with the control 31 or the circuit board 17 is connected.
- the contact part can be designed to be elastic, for example as a metallic coil spring or as a compressible element of conductive, elastic plastic.
- the sensor element 30 is applied directly to the rear side 13 of the diaphragm 10 by means of a printing process, for example a suitable screen printing process.
- a metal foil-like part or plate may also be attached to the rear side 13 of the screen by gluing or otherwise.
- Metallized or metallic adhesive films can also be used as sensor elements 30.
- Fig. 2 (a) shows a circular transillumination region 35, in which the region of low material thickness on the side facing the light source has a pyramidal structure with a plurality of directly adjacent quadrilateral pyramids 36. If the light source side of the transillumination region is produced by removal of material, then the pyramidal structure can be produced by creating grooves with a V-shaped cross-section directly next to one another in mutually perpendicular directions 37, 38. If the structure is produced during injection molding, then for this purpose the corresponding part of the tool can have a circular area with a corresponding waffle structure.
- the pyramidal structure has a scattering effect, so that the transillumination area appears to be largely uniformly illuminated from the operator side, regardless of the shape of the light source.
- Panel 40 shown in section has a rectangular transillumination area 41 which is formed by mutually parallel V-shaped grooves and raised portions.
- the material thickness of the panel material in the area of the furrow bottoms facing the front surface 42 is about 0.3 to 0.4 mm so thin that sufficient transparency is present here.
- the material is largely opaque at about 0.5 to 0.7 mm thickness. In this way, the transillumination area 41 appears in a striped pattern when the light source is switched on.
- a diaphragm which has a circular transillumination region 46, in which macroscopic Surface structures are arranged in the form of concentric circles, which may be formed for example by rectangular or V-grooves.
- transillumination regions shown so far are preferably usable in conjunction with simple light sources in order to indicate the switching state of a function (on or off).
- values associated with a mode of operation or an additional function such as e.g. Preselection times, remaining maturities, moisture levels, temperatures or the like display.
- Conventional devices often use multi-segment displays such as LCD or LED seven-segment displays. A corresponding functionality can also be provided using the invention.
- Fig. 3 schematically a diaphragm 50, which has a thickness of about 2.6 mm in their thickest, illustrated areas.
- the material thickness is reduced to approximately 1 mm.
- a further wall thickness reduction occurs to provide a transillumination area 60 in the form of a seven segment display.
- 53 furrows 54 to 57 are introduced with trapezoidal cross-section at the bottom of the rectangular area, ie on the opposite side of the front side 52.
- the grooves form an overall configuration in the shape of a rectangular figure eight and can be thought of as a seven-segment display divided into seven functionally separate partial grooves or furrow segments. Each of the groove segments is assigned a group of light sources.
- a row of three light-emitting diodes 58 is shown, which are arranged at a small distance behind the rear side 53 in the region of the above-visible transverse groove 55. If these light sources 58 light up, then the emerging light falls essentially only in the transverse groove 55, which then lights up noticeably on the front side 52 for the operator. To prevent the light from shining into other segments, you can be shielded by suitable, not shown shields against the light of the light sources 58.
- a row (not shown) of three light-emitting diodes is provided at the vertically extending longitudinal grooves 54, 56, which are to be divided into two partial grooves, respectively.
- two independently controllable groups of three light-emitting diodes are arranged, which illuminate these partial grooves.
- any digit and any letter can be symbolized with this display in the manner of a seven-segment display.
- a display device has a plurality of such seven-segment transillumination areas arranged side by side, for example, four such areas to indicate times or time intervals, optionally also for displaying temperatures or the like.
- the Fig. 4 shows a greatly simplified illustrated modification of the aperture 10, which in Fig. 1 is shown.
- illustrated aperture 60 has a smooth front 61.
- Fig. 1 Symbols or the like.
- the aperture 60 has a per se normal material thickness 14, for example, according to the in Fig. 1 .
- the transillumination area 63 is again made thinner, roughly corresponding to FIG Fig. 1 , However, he has no structure.
- a so-called light distribution plate 65 is provided. This is how in Fig. 4 can be clearly seen embedded in the material of the aperture 60.
- the embedding of the light distribution plate 65 in the aperture 60 can in principle, as previously described, take place in various ways.
- Fig. 4 is it injected, in a so-called Two-component process. This is known per se and therefore need not be explained in detail here.
- the light distribution plate 65 which may be made of transparent plastic such as acrylic, fixed and insoluble and immovable embedded.
- a light distribution plate 65 could also be clipped. This would be possible if the Schugreifung in Fig. 4 would be lower. A clipping is indeed less expensive from the production cost of the aperture itself. However, an assembly process is needed.
- a first light guide 67 is arranged. Light from a light emitting diode 66 is coupled via a second light guide 68 and the first light guide 67 in the light distribution plate 65. This in itself can be explained by the person skilled in the art from the drawing in connection with the above description and need not be explained in more detail here.
- the first and second optical fibers 67 and 68 may be attached to the circuit board 62, for example, clamped or glued.
- actuators such as sensor elements, arranged in the surrounding region of the fluoroscopic region 63.
- this illustration is omitted here.
- a rotary knob 70 is shown. This is at the front of a conventional panel 71, which, for example, a glass ceramic hotplate can be arranged. He sits on a rotary shaft 72, which is connected to a behind the aperture 71 arranged switching device 73. By turning the rotary knob 70, an actuation is made on the switching device 73.
- an LED 76 is arranged. This emits light into a second light guide 78. As in Fig. 5 can be seen, protrudes the light guide 78 through the passage opening 74 in the aperture 71 therethrough. In this area, the second light guide 78 is circumferential, that is approximately cup-shaped.
- a first light guide 77 is light-conductively connected to the second light guide 78 at a small distance therefrom. As can be seen, the first light guide 77 is enclosed in the rotary knob 70. With its front end, the light guide 77 extends into a transillumination region 75 on the front surface of the rotary knob 70. In the transillumination region 75, the material thickness of the front side, according to the invention, is considerably smaller than the standard material thickness otherwise given.
- the first light guide 77 Due to the peripheral design of the second light guide 78 above the aperture 71, light emission takes place constantly in each rotational position.
- the first light guide 77 is rather rod-shaped. It can remove light from the second light guide 78 in each rotational position and emit substantially point-like in the transillumination region 75.
- the attachment of the first light guide 77 in the rotary knob 70 is advantageously carried out by inserting with interference fit or gluing.
- Fig. 6 is another rotary knob 80 is shown, which is a modification of the rotary knob 70 Fig. 5 is. Via a passage opening 84 in the aperture 81 of the rotary knob 80 is connected by means of the rotary shaft 82 to the switching device 83.
- an LED 86 is connected to a second light guide 88.
- the second light guide 88 projects, for example in the manner of a rod, through the passage opening 84 into the interior of the rotary knob 80.
- the second light guide is not cup-shaped or circumferentially formed.
- the second light guide 88 connects to a first light guide 87 and couples light into it.
- the first light guide 87 is aligned towards the side of the rotary knob 80 at a side transillumination area 85.
- the material thickness is reduced compared to the other standard material thickness such that the material according to the invention is translucent and the transmitted light of the LED 86 to the outside radiates as shown.
- This variation of a rotary knob 80 thus causes a radiation of a light signal or the like in a single rotational position of the rotary knob 80.
- This is precisely the position in which the rotating by rotation first optical fiber 87 matches exactly with the fixed to the aperture 81 first optical fiber 88th
- the invention exemplified with reference to some embodiments can be used to provide arbitrarily designed display devices for use in electrical or electrically controlled systems, apparatus or devices, especially in household appliances.
- Preferred fields of application are large household appliances, for example washing machines, dryers or dishwashers, which are conventionally provided with non-transparent plastic screens or operating devices such as rotary knobs or the like. are provided. If these are modified in accordance with the invention, then cost-effective possibilities arise for ensuring a maximum of flexibility in the variant formation of display devices. Thanks to the invention can be used for a whole family of devices with different functionality equipment, a type of aperture with prepared fluoroscopy areas, which can then be combined depending on the equipment with suitable lighting devices. Since, due to the invention, shutters with displays and closed surfaces can be created, a maximum of functional reliability is possible with an extremely attractive appearance.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Cookers (AREA)
- Brushes (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Food-Manufacturing Devices (AREA)
- Push-Button Switches (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Elektrohaushaltsgerät, insbesondere eine Waschmaschine, einen Wäschetrockner oder einen Geschirrspüler, mit mindestens einer Bedieneinrichtung, der mindestens eine Anzeigeeinrichtung zur optischen Bedienerinformation zugeordnet ist.The invention relates to an electrical household appliance, in particular a washing machine, a tumble dryer or a dishwasher, with at least one operating device, which is associated with at least one display device for optical operator information.
Die Gehäuse von Waschmaschinen, Trocknern, Geschirrspülern oder anderen Elektrohaushaltsgeräten vergleichbarer Größer sind meist mehrteilig aufgebaut und haben Blenden, an denen Bedienelemente und Anzeigeeinrichtungen zur optischen Bedienerinformation angeordnet sind. Diese Blenden werden heutzutage überwiegend aus hochfestem, schlagstabilen Kunststoff durch Spritzgussverfahren hergestellt. Die Bedienelemente in Form von Drehknöpfen, Schaltern, Tastern, Berührungsflächen oder dergleichen erlauben dem Benutzer eine manuelle Bedienung des Gerätes. Zur Anzeige des Gerätezustandes und/oder zur Anzeige von Werten, beispielsweise Temperaturwerten oder dergleichen, sind Anzeigeeinrichtungen vorgesehen. Zur Anzeige von Werten dienen häufig Mehrsegmentanzeigen, beispielsweise LCD-Displays. Zur Anzeige von Zuständen werden in der Regel LED-Anzeigen verwendet, die normalerweise so geschaltet sind, dass sie dann aufleuchten, wenn ein entsprechender Zustand aktiv ist. Zur Montage der LCD-Displays oder der Leuchtdioden werden in das Blendenmaterial formangepasste Durchgangsöffnungen entweder bereits beim Spritzen geformt oder durch nachträgliche mechanische Bearbeitung eingebracht.The housing of washing machines, dryers, dishwashers or other household electrical appliances of comparable size are usually constructed in several parts and have screens on which controls and display devices are arranged for optical operator information. These panels are nowadays mainly made of high-strength, impact-resistant plastic by injection molding. The controls in the form of knobs, switches, buttons, touch pads or the like allow the user manual operation of the device. Display devices are provided for displaying the device status and / or for displaying values, for example temperature values or the like. Multi-segment displays, such as LCD displays, are often used to display values. To display states, LED displays are usually used, which are usually switched so that they light up when a corresponding state is active. For mounting the LCD displays or the light-emitting diodes, through-openings adapted to the shape are either already formed during spraying or introduced by subsequent mechanical processing.
Besonders für Anwendungen in Feuchträumen, wie beispielsweise bei Waschmaschinen oder Wäschetrocknern, ist es zweckmäßig, den Bereich der eingesetzten Anzeigeeinrichtungen abzudichten, damit keine Feuchtigkeit durch die Blende in die üblicherweise hinter der Blende angeordnete elektronische Steuereinrichtung des Gerätes gelangt. Die Blenden bieten außerdem wenig Flexibilität bei der Variantenbildung, da für jede Ausstattungsvariante eines Elektrohaushaltsgeräts, welche durch eine bestimmte Anzahl und bestimmte Typen von Anzeigeeinrichtungen gekennzeichnet ist, speziell angepasste Blenden mit einer entsprechenden Anzahl von Öffnungen vorgehalten werden müssen. Die mangelnde Flexibilität bei der Variantenbildung wirkt sich nachteilig auf erzielbare Lieferfristen und die Kosten der fertigen Geräte aus.Especially for applications in wet rooms, such as washing machines or dryers, it is appropriate to the area seal the display devices used, so that no moisture passes through the aperture in the usually arranged behind the panel electronic control device of the device. The bezels also offer little flexibility in the variant formation, since for each equipment variant of an electrical household appliance, which is characterized by a certain number and certain types of display devices, specially adapted panels must be kept with a corresponding number of openings. The lack of flexibility in variant formation has a detrimental effect on achievable delivery times and the cost of finished devices.
Die
Der Erfindung liegt die Aufgabe zugrunde, ein Elektrohaushaltsgerät der eingangs erwähnten Art zu schaffen, für dessen Herstellung eine hohe Flexibilität bei der Variantenbildung gegeben ist und welches sich durch Funktionssicherheit und ansprechendes Design auszeichnet.The invention has for its object to provide an electrical household appliance of the type mentioned above, for the production of a high flexibility in the variant formation is given and which is characterized by reliability and attractive design.
Zur Lösung dieser Aufgabe stellt die Erfindung ein Elektrohaushaltsgerät mit den Merkmalen von Anspruch 1 bereit, Weiterhin wird eine Bedieneinrichtung oder eine Blende für ein solches Elektrohaushaltsgerät mit den Merkmalen von Anspruch 28 bereitgestellt. Vorteilhafte Weiterbildungen der Erfindung sind in den weiteren Ansprüchen angegeben und werden im folgenden näher erläutert. Der Wortlaut sämtlicher Ansprüche wird durch ausdrückliche Bezugnahme zum Inhalt der Beschreibung gemacht.To achieve this object, the invention provides an electric household appliance with the features of claim 1. Further, an operating device or a panel for such household electrical appliance with the features of claim 28 is provided. Advantageous developments of the invention are specified in the further claims and are explained in more detail below. The wording of all claims is incorporated by express reference into the content of the description.
Bei einem erfindungsgemäßen Elektrohaushaltsgerät der eingangs erwähnten Art besteht die Bedieneinrichtung zumindest teilweise aus einem Abdeckmaterial, welches bei der für die Fläche der Bedieneinrichtung gewählten Norm-Materialstärke im wesentlichen lichtundurchlässig ist. In einem für die Anzeigeeinrichtung vorgesehenen Bereich hat die Bedieneinrichtung mindestens einen Durchleuchtungsbereich, in dem die Materialstärke des Abdeckmaterials gegenüber der Norm-Materialstärke derart reduziert ist, dass der Durchleuchtungsbereich vom Licht einer der Bedieneinrichtung zugeordneten Lichtquelle mindestens bereichsweise durchleuchtbar ist. Bei nicht betätigter Lichtquelle soll der Durchleuchtungsbereich undurchsichtig sein.In an inventive electrical household appliance of the type mentioned above, the operating device consists at least partially of a covering material which is substantially opaque in the selected for the surface of the operating device standard material thickness. In an area provided for the display device, the operating device has at least one transillumination area, in which the material thickness of the covering material is reduced in relation to the standard material thickness in such a way that the transillumination area can be transilluminated at least in regions by the light of a light source assigned to the operating device. When the light source is not activated, the transillumination area should be opaque.
Als Bedieneinrichtung kann eine Vielzahl von Einrichtungen dienen. Darauf wird noch genauer eingegangen werden.As a control device can serve a variety of facilities. This will be discussed in more detail.
Erfindungsgemäße Bedieneinrichtungen müssen somit im Bereich der Anzeigeeinrichtung keine Durchgangslöcher zum Einführen von Lichtquellen, Displays oder dergleichen haben. Vielmehr ist es erfindungsgemäß bei geeigneter Materialwahl für die Bedieneinrichtung möglich, diese im Durchleuchtungsbereich durchscheinend zu gestalten und im übrigen in der Umgebung des Durchleuchtungsbereiches und an allen nicht für eine optische Anzeigefunktion benötigten Bereichen mit so großer Wandstärke auszugestalten, dass die Bedieneinrichtung als formstabiles Bauteil eine Schutzfunktion für die hinter der Bedieneinrichtung angeordneten Bauteile übernehmen kann.Control devices according to the invention therefore do not have to have through holes for the introduction of light sources, displays or the like in the region of the display device. Rather, it is according to the invention with a suitable choice of material for the operating device possible to make them translucent in the transillumination area and otherwise in the environment of the transillumination area and all not required for a visual display functions areas with such a large wall thickness that the control device as a dimensionally stable component a protective function can take over for the arranged behind the control device components.
Es kann vorgesehen sein, dass die Lichtquelle gegenüber von dem Durchleuchtungsbereich an der Rückseite der Bedieneinrichtung angeordnet ist.It may be provided that the light source is arranged opposite the transillumination region on the rear side of the operating device.
Als Abdeckmaterial kann insbesondere jeder geeignete Kunststoff gewählt werden, beispielsweise ein geeigneter ABS-Kunststoff, wie er beispielsweise bei herkömmlichen Blenden für Haushaltsgeräte oder bei Gehäuse für andere Elektrogeräte verwendet wird. Bei Kunststoffblenden ist es möglich, den Durchleuchtungsbereich bereits beim Herstellungsprozess durch entsprechende Formgebung des Spritzwerkzeuges in das Bauteil einzubringen, so dass keine mechanische Nachbearbeitung nötig ist. Es ist jedoch auch möglich, in einer konventionell hergestellten Bedieneinrichtung Durchleuchtungsbereiche nachträglich, beispielsweise durch materialabtragende Bearbeitung, einzubringen.In particular, any suitable plastic can be selected as cover material, for example a suitable ABS plastic, as used, for example, in conventional covers for household appliances or in housings for other electrical appliances. In the case of plastic diaphragms, it is possible to introduce the transillumination region into the component already during the production process by appropriate shaping of the injection tool, so that no mechanical post-processing is necessary. However, it is also possible in a conventionally produced Operating device subsequent fluoroscopy, for example, by material-removing machining to bring.
Normalerweise liegt die Norm-Materialstärke im Bereich oberhalb 1 mm, insbesondere bei mindestens 2 mm. Diese Materialstärken reichen aus, um auch bei flächig ausgedehnten Bedieneinrichtungen oder beispielsweise Blenden eine ausreichende Stabilität zu gewährleisten. Im Durchleuchtungsbereich dagegen sollte die Materialstärke mindestens bereichsweise weniger als 0,8 mm betragen. Sie sollte insbesondere zwischen ca. 0,3 mm und ca. 0,5 mm liegen. Es hat sich gezeigt, dass beispielsweise bei ABS-Kunststoffen Materialstärken um ca. 0,3 bis 0,4 mm für Licht handelsüblicher, mit normaler Leuchtstärke ausgestatteter Lichtquellen, wie beispielsweise LED-Anzeigen, ausreichend transparent ist, um auch bei hellen Räumen eine deutliche Unterscheidung zwischen eingeschalteter und ausgeschalteter Lichtquelle zu ermöglichen.Normally, the standard material thickness is in the range above 1 mm, in particular at least 2 mm. These material thicknesses are sufficient to ensure sufficient stability even with extensively extended operating devices or, for example, diaphragms. In the fluoroscopy area, however, the material thickness should at least partially be less than 0.8 mm. In particular, it should be between about 0.3 mm and about 0.5 mm. It has been shown that, for example, in ABS plastics material thicknesses of about 0.3 to 0.4 mm for light commercial, equipped with normal brightness light sources, such as LED displays, is sufficiently transparent to clear even in bright rooms To distinguish between turned on and off the light source.
Die Erfindung ermöglicht es, Bedieneinrichtungen zu schaffen, deren dem Bediener zugewandte Vorderfläche im Bereich der Anzeigeeinrichtung geschlossen, d.h. ununterbrochen bzw. durchgehend ist. Im Gegensatz zur herkömmlichen Bedieneinrichtungen sind also keine Durchbrechungen, Ritzen oder dergleichen vorhanden, durch die beispielsweise Feuchtigkeit und/oder Verunreinigungen eindringen könnten. Normalerweise ist die Vorderfläche durchgehend glatt und gut zu reinigen. Bei vielen Ausführungsformen ist es so, dass an der Vorderseite der Blende in der Nähe des Durchleuchtungsbereiches und/oder im Durchleuchtungsbereich eine, vorzugsweise permanente, Kennzeichnung angebracht ist, die beispielsweise mittels eines geeigneten Symbols die Funktion erkennen lässt, der die entsprechende Lichtquelle zugeordnet ist. Es kann sich beispielsweise um aufgedruckte oder durch Laserbearbeitung erzeugte Symbole, Zahlen, Buchstaben und/oder dergleichen handeln.The invention makes it possible to provide operating devices whose front surface facing the operator is closed in the region of the display device, ie is continuous or continuous. In contrast to conventional control devices so no openings, cracks or the like are present, could penetrate through the example of moisture and / or impurities. Normally the front surface is smooth and easy to clean throughout. In many embodiments, it is such that at the front of the aperture in the vicinity of the transillumination area and / or in the transillumination area, a, preferably permanent, label is attached, which recognizes, for example by means of a suitable icon the function to which the corresponding light source is assigned. It may be, for example, printed or laser-processed symbols, numbers, letters and / or the like.
Die durch die Erfindung erzielte Wirkung, nämlich in einer nach außen geschlossenen Bedieneinrichtung mit einer durchgehenden, spaltfreien Oberfläche bereichsweise transparente oder teiltransparente Bereiche zu schaffen, wäre auch erzielbar, wenn bei der Herstellung einer Bedieneinrichtung im Bereich einer Anzeigeeinrichtung kleine "Fenster" aus einem Kunststoff vorgesehen würden, der für das Licht der Lichtquelle deutlich durchlässiger ist als der für die übrigen Teile der Blende verwendete Kunststoff. Die Verwendung eines einzigen Abdeckmaterials für dicke und dünne Bereiche ist jedoch wesentlich kostengünstiger.The effect achieved by the invention, namely to create partially transparent or partially transparent areas in an outwardly closed operating device with a continuous, gap-free surface, would also be achievable if provided in the production of an operating device in the field of a display device small "window" made of a plastic would be much more transparent to the light from the light source than the plastic used for the remaining parts of the diaphragm. However, the use of a single covering material for thick and thin areas is much less expensive.
Die Erfindung macht es möglich, für alle Geräte einer Geräteserie, welche sich durch eine Vielzahl unterschiedlicher Ausstattungsvarianten auszeichnen kann, die gleiche Bedieneinrichtung mit einer fest vorgegebenen Anzahl von Durchleuchtungsbereichen zu verwenden. Diese Anzahl von Durchleuchtungsbereichen sollte der maximal möglichen Anzahl von anzuzeigenden Zuständen und/oder Anzeigeeinrichtungen entsprechen. Wenn bei einfacheren Ausstattungsvarianten die eine oder andere Funktion nicht bereitgestellt wird, braucht der entsprechende Durchleuchtungsbereich nicht genutzt zu werden. Er ist dann im äußeren Erscheinungsbild der Blende auch nicht zu erkennen, da ohne Hinterleuchtung die Durchleuchtungsbereiche üblicherweise von den sie umgebenden, lichtundurchlässigen Bereichen nicht zu unterscheiden sind.The invention makes it possible to use the same operating device with a fixed number of fluoroscopy areas for all devices of a device series, which can be characterized by a large number of different equipment variants. This number of fluoroscopic areas should correspond to the maximum possible number of states and / or display devices to be displayed. If one or the other function is not provided with simpler equipment variants, the corresponding transillumination area need not be used. He is then not visible in the outer appearance of the aperture, since without backlighting the fluoroscopic areas are usually indistinguishable from the surrounding opaque areas.
Bei einfachen Varianten kann der Durchleuchtungsbereich im wesentlichen durch eine von der Rückseite in das Abdeckmaterial eingebrachte Aussparung gekennzeichnet sein, in deren Bereich die Materialstärke auf eine durchleuchtbare Dicke gebracht ist. Bei manchen Ausführungsformen ist vorgesehen, die der Lichtquelle zugewandte oder zuwendbare Rückseite der Bedieneinrichtung im Durchleuchtungsbereich mit einer makroskopischen Oberflächenstrukturierung zu versehen. Es kann sich dabei beispielsweise um eine streuende Struktur handeln, die zu einer gleichmäßigen Ausleuchtung eines ausgedehnteren Durchleuchtungsbereichs beiträgt, auch wenn gegebenenfalls nur eine einzige, kleinflächige Lichtquelle verwendet wird.In simple variants, the transillumination region can essentially be characterized by a recess introduced from the rear side into the covering material, in the region of which the material thickness is brought to a transilluminable thickness. In some embodiments, it is provided to provide the light source facing or zuwendbare back of the operating device in the transillumination area with a macroscopic surface structuring. It may, for example, be a scattering structure that leads to a uniform illumination of a broader range of transillumination contributes, even if only a single, small-area light source is used if necessary.
Eine makroskopische Oberflächenstrukturierung kann eine Anzahl von Nuten und erhabenen Abschnitten aufweisen, wobei diese dann so zu dimensionieren sind, dass das Abdeckmaterial zumindest in Teilbereichen der Nuten so dünn ist, dass es durchleuchtbar ist. Bei einer Oberflächenstruktur mit Nuten oder Furchen, die Bereichen geringerer Materialstärke entsprechen, und dickeren Stegen oder erhabenen Abschnitten, können die erhabenen Abschnitte von einem zum anderen Rand des Durchleuchtungsbereichs durchgehen. Auf diese Weise tragen sie zu einer mechanischen Stabilisierung des Durchleuchtungsbereiches bei. In diesem Fall kann die makroskopische Oberflächenstrukturierung eine Doppelfunktion erfüllen. Die Querschnittsform der Nuten kann beispielsweise V-förmig, U-förmig, trapezförmig oder rechteckförmig sein. Die Verlaufsform der Nuten kann geradlinig oder gekrümmt sein. Beispielsweise sind Strukturen mit parallelen Furchen in einer Richtung oder mit gekreuzten Furchen, beispielsweise in zwei senkrecht zueinander verlaufenden Richtungen, möglich. In diesem Fall können beispielsweise bei V-förmigen oder trapezförmigen Nuten die dazwischen liegenden erhabenen Abschnitte pyramidenförmig sein und gegebenenfalls eine das Licht streuende Struktur bilden. Es sind auch Strukturen mit konzentrischen Kreisen denkbar. Bei allen Strukturen sind gleichmäßige oder ungleichmäßige Abstände zwischen einzelnen Furchen oder dergleichen möglich.A macroscopic surface structuring may have a number of grooves and raised portions, which are then to be dimensioned so that the cover material is so thin at least in partial areas of the grooves that it is transilluminable. For a surface structure having grooves or furrows corresponding to areas of lesser thickness, and thicker lands or raised portions, the raised portions may pass from one to the other of the fluoroscopic area. In this way they contribute to a mechanical stabilization of the transillumination area. In this case, the macroscopic surface structuring can fulfill a dual function. The cross-sectional shape of the grooves may be, for example, V-shaped, U-shaped, trapezoidal or rectangular. The shape of the grooves may be rectilinear or curved. For example, structures with parallel grooves in one direction or with crossed grooves, for example in two mutually perpendicular directions, are possible. In this case, for example, in the case of V-shaped or trapezoidal grooves, the raised portions located therebetween may be pyramidal and optionally form a light scattering structure. Structures with concentric circles are also conceivable. In all structures, uniform or uneven distances between individual grooves or the like are possible.
Im oder am Durchleuchtungsbereich können zusätzliche lichtverändernde oder lichtleitende Einrichtungen angeordnet sein. Diese können aus an sich separaten Teilen bestehen. Es ist möglich, die Einrichtungen farbig zu gestalten bzw. einzufärben. Es eignen sich auch sogenannte Farbscheiben oder Farbfilter.In or on the transillumination area, additional light-modifying or light-conducting devices can be arranged. These can consist of separate parts. It is possible to colorize or colorize the facilities. Also suitable are so-called color slices or color filters.
Vorteilhaft ist wenigstens eine lichtverändernde oder lichtleitende Einrichtung aus der folgenden Gruppe vorgesehen:
- Lichtleiter, Lichtverteiler, Lichtumlenker, Konzentratoren, Linsen, Prismen. Selbstverständlich können auch mehrere Funktionalitäten in einer Einrichtung ausgebildet sein. Dabei kann bei lichtleitenden Elementen die Lichtquelle auch weiter entfernt von dem Durchleuchtungsbereich angeordnet sein kann.
- Light guides, light distributors, light deflectors, concentrators, lenses, prisms. Of course, a plurality of functionalities can also be configured in one device. In the case of light-conducting elements, the light source can also be arranged further away from the transillumination area.
Einerseits kann die lichtverändernde oder lichtleitende Einrichtung fest und unlösbar mit der Bedieneinrichtung nahe oder direkt am Durchleuchtungsbereich verbunden sein. Hier bietet sich entweder ein Kleben an oder ein Umspritzen oder Einspritzen. Eingespritzt wird vorteilhaft in einem Mehrkomponenten-Verfahren.On the one hand, the light-altering or light-guiding device can be permanently and non-detachably connected to the operating device near or directly at the transillumination area. Here either gluing on or an encapsulation or injection offers. Injection is advantageous in a multi-component process.
Andererseits kann die lichtverändernde oder lichtleitende Einrichtung an der Bedieneinrichtung lösbar befestigt sein. Hier werden beispielsweise Schraubverbindungen oder Klips- oder Rastverbindungen bevorzugt verwendet.On the other hand, the light-altering or light-conducting device can be releasably attached to the operating device. Here, for example, screw or Klips- or latching connections are preferably used.
Es ist auch möglich, im Durchleuchtungsbereich mindestens eine Aussparung in der Form einer Mehrsegment-Anzeige vorzusehen, beispielsweise in Form einer Siebensegment-Anzeige. Jedem der Segmente kann mindestens eine separat ansteuerbare Lichtquelle zugeordnet sein, um die entsprechende Furche zielgerichtet zum Aufscheinen zu bringen. Auf der Rückseite der Bedieneinrichtung können gegebenenfalls zwischen den einzelnen, den Segmenten entsprechenden Furchen Abschattungsstege oder dergleichen an die Bedieneinrichtung angeformt sein, um ein Überstrahlen von Lichtquellen in nicht zugeordnete Segmentabschnitte zu verhindern.It is also possible to provide at least one recess in the form of a multi-segment display in the transillumination area, for example in the form of a seven-segment display. Each of the segments can be assigned at least one separately controllable light source to bring the corresponding furrow targeted to appear. On the back of the operating device may optionally be formed on the operating device between the individual grooves corresponding to the segments Abschattungsstege or the like, to prevent over-irradiation of light sources in unassigned segment sections.
Anzeigeeinrichtungen gemäß der Erfindung können weitgehend separat oder in räumlicher Zuordnung zu weiteren Bedienelementen, wie mechanischen Tasten, Drehknöpfen, Schiebern oder dergleichen vorgesehen sein. Bei bevorzugten Ausführungsformen ist eine Integration einer Anzeigeeinrichtung mit einem zugeordneten Bedienelement vorgesehen. Dadurch kann ein kombiniertes Anzeige- und Bedienelement geschaffen werden. Insbesondere kann dem Durchleuchtungsbereich eine Sensorvorrichtung zur Erzeugung eines Schaltsignals zugeordnet sein, die mindestens ein Sensorelement umfasst, welches bei Annäherung eines Fingers oder dergleichen und/oder bei Berührung mit einer Fingerkuppe oder dergleichen anspricht, um die Erzeugung eines Schaltsignals einzuleiten (Annäherungs- oder Berührungssensor). Das Bedienelement kann beispielsweise als kapazitives Bedienpanel in Sandwich-Bauweise ausgebildet sein, wie es im deutschen Gebrauchsmuster
Wie zuvor erwähnt, kann eine solche Bedieneinrichtung beispielsweise eine Blende, aber auch eine bewegbare Bedieneinrichtung in Form eines Dreh- oder Schiebeknebels oder eines Tasters sein. Eine bewegbare Bedieneinrichtung kann an einer Blende oder einer Seite, vorteilhaft der Vorderseite, des Elektrohaushaltsgeräts angebracht sein. Einerseits kann eine Lichtquelle zumindest teilweise in diese bewegbare Bedieneinrichtung hineinragen, vorzugsweise darin angeordnet sein. Andererseits kann die Lichtquelle in dem Elektrohaushaltsgerät außerhalb der Bedieneinrichtung angeordnet sein. Beispielsweise kann ein lichtleitender Kanal von der Lichtquelle zu dem Durchleuchtungsbereich führen, wobei insbesondere der lichtleitende Kanal ein Lichtleiter ist.As mentioned above, such an operating device may for example be a diaphragm, but also a movable operating device in the form of a rotary or sliding fog or a button. A movable operating device may be attached to a panel or a side, advantageously the front, of the household electrical appliance. On the one hand, a light source can at least partially protrude into this movable operating device, preferably be arranged therein. On the other hand, the light source in the household electrical appliance can be arranged outside the operating device. For example, a light-conducting channel lead from the light source to the transillumination area, wherein in particular the light-conducting channel is a light guide.
Die Erfindung betrifft auch eine Bedieneinrichtung oder eine Blende der beschriebenen Art mit mindestens einem Durchleuchtungsbereich. Solche Bedieneinrichtungen oder Blenden bieten höchste Flexibilität in der Darstellung und der Farbgebung der Gerätebedienfront, welche durch die dem Bediener zugewandte Vorderfläche der Blende gebildet oder geprägt wird. Erfindungsgemäße Blenden sind einfach herstellbar und montierbar. Sie ermöglichen auf einfache Weise das Einbringen von lichtleitenden und/oder die Ausleuchtung gestaltenden Einrichtungen in das Kunststoffspritzmaterial, beispielsweise streuende Strukturen oder dergleichen. Die Zuverlässigkeit der mit erfindungsgemäßen Blenden ausgestatteten Elektrogeräte steigt, da ein Eindringen von Feuchtigkeit und Verunreinigungen im Bereich der Blende zuverlässig vermieden wird.The invention also relates to an operating device or a diaphragm of the type described with at least one transillumination region. Such controls or panels provide maximum flexibility in the appearance and color of the device operating front, which is formed or embossed by the operator facing the front surface of the panel. Inventive panels are easy to produce and mountable. They make it possible in a simple manner to introduce light-conducting and / or illumination-shaping devices into the plastic injection material, for example scattering structures or the like. The reliability of the electrical devices equipped with the invention panels increases, since penetration of moisture and impurities in the aperture is reliably avoided.
Die vorstehenden und weiteren Merkmale gehen außer aus den Ansprüchen auch aus der Beschreibung der Zeichnungen hervor, wobei die einzelnen Merkmale jeweils für sich alleine oder zu mehreren in Form von Unterkombinationen bei einer Ausführungsform der Erfindung und auf anderen Gebieten verwirklicht sein und vorteilhafte sowie für sich schutzfähige Ausführungen darstellen können.The foregoing and other features will become apparent from the claims, as well as from the description of the drawings, wherein the individual features each alone or more in the form of sub-combinations in an embodiment of the invention and in other fields be realized and advantageous and protectable Can represent versions.
Ausführungsbeispiele der Erfindung sind in den Zeichnungen schematisch dargestellt und werden im folgenden näher erläutert.
- Fig. 1
- ist ein schematischer Schnitt durch den Bereich einer Blende einer Ausführungsform der Erfindung, bei der hinter der Blende eine Leiterplatte mit einer Leuchtdiode als Lichtquelle vorgese- hen ist;
- Fig. 2(a) - (c)
- zeigen schematisch verschiedene Ausführungsformen von Durchleuchtungsbereichen, deren Rückseite eine makro- skopische Oberflächenstrukturierung aufweist;
- Fig. 3
- zeigt eine perspektivische Schnittdarstellung durch einen Durchleuchtungsbereich mit Ausnehmungen in Form einer Sie- bensegment-Anzeige.
- Fig. 4
- zeigt eine Abwandlung der Blende aus
Fig. 1 in vereinfachter Darstellung mit eingespritztem Lichtleiter; - Fig. 5
- zeigt einen schematischen Schnitt durch einen Drehknebel mit Durchleuchtungsbereich und hineinragendem Lichtleiter, wobei ein Punkt an der Vorderfläche des Drehknebels in jeder Dreh- stellung beleuchtet ist; und
- Fig. 6
- zeigt einen schematischen Schnitt durch einen Drehknebel ähnlich
Fig. 5 mit Durchleuchtungsbereich und hineinragendem Lichtleiter, wobei ein Punkt an der Seite des Drehknebels nur in einer Drehstellung beleuchtet ist.
- Fig. 1
- is a schematic section through the region of a diaphragm of an embodiment of the invention, in which behind the diaphragm, a circuit board is provided with a light-emitting diode as the light source;
- Fig. 2 (a) - (c)
- schematically show various embodiments of fluoroscopy areas, whose back has a macroscopic surface structuring;
- Fig. 3
- shows a perspective sectional view through a transillumination area with recesses in the form of a seven-segment display.
- Fig. 4
- shows a modification of the aperture
Fig. 1 in a simplified representation with injected light guide; - Fig. 5
- shows a schematic section through a rotary knob with transillumination area and protruding light guide, wherein a point on the front surface of the rotary knob is illuminated in each rotational position; and
- Fig. 6
- shows a schematic section through a rotary knob similar
Fig. 5 with fluoroscopy and projecting light guide, with a point on the side of the rotary knob is illuminated only in a rotational position.
Die schematische Darstellung in
Der Blende ist eine Anzeigeeinrichtung 15 zur optischen Bedienerinformation zugeordnet. Diese Anzeigeeinrichtung umfasst eine als Leuchtdiode ausgebildete Lichtquelle 16, die auf einer Leiterplatte 17 montiert ist, welche durch nicht gezeigte Befestigungselemente mit der Blende verbunden ist. In dem für die Anzeigeeinrichtung vorgesehenen Bereich hat die Blende 10 einen kreisförmigen Durchleuchtungsbereich 20, in dem die Materialstärke des Blendenmaterials gegenüber der Norm-Materialstärke 14 derart reduziert ist, dass der Durchleuchtungsbereich vom Licht der gegenüber der Rückseite 13 der Blende angeordneten Lichtquelle 16 zumindest in Teilen seiner Fläche durchleuchtbar ist. Der Durchleuchtungsbereich 20 wird im wesentlichen durch einen Bereich verminderter Materialstärke in der Blende 10 gebildet. Er ist von einem umlaufenden, zur Lichtquelle 16 vorstehenden Steg 18 umschlossen.The aperture is associated with a
Bei der Ausführungsform wurde bei der Herstellung der Blende 10 im Spritzgussverfahren durch geeignete Formgebung des Werkzeuges eine etwa kreisförmige Aussparung gebildet, an deren der Vorderseite 11 zugewandten Boden eine makroskopische Oberflächenstruktur in Form von Furchen 21 und dazwischen liegenden erhabenen Abschnitten 22 gebildet ist. Die Furchen und erhabenen Abschnitte haben jeweils einen Dreiecksquerschnitt. Im Bereich der der Lichtquelle zugewandten Scheitel der erhabenen Abschnitte 22 beträgt die Materialstärke ca. 0,5 mm, während sie im Bereich der der Oberfläche 12 zugewandten Böden der Furchen 21 nur ca. 0,3 mm beträgt. Diese Materialstärken sind so auf die optischen Eigenschaften des verwendeten ABS-Kunststoffs abgestimmt, dass das Licht der Leuchtdiode 16 im Bereich der erhabenen Abschnitte 22 schwach und im Bereich der Furchen 21 stark und von außen deutlich sichtbar das Blendenmaterial im Durchleuchtungsbereich 20 durchleuchtet, so dass für einen Bediener von der Vorderseite 11 durch die Blende hindurch erkennbar ist, ob die Leuchtdiode 16 eingeschaltet oder ausgeschaltet ist. Somit hat der Durchleuchtungsbereich 20 verminderter Materialstärke die Funktion eines einstückig mit dem umgebenden Blendenmaterial ausgebildeten Milchglasfensters, dessen der Lichtquelle 16 zugewandte, strukturierte Oberfläche eine gewisse Streuwirkung erzeugt, um unabhängig von der Form der Lichtquelle 16 eine relativ gleichmäßige Ausleuchtung des gesamten Durchleuchtungsbereiches 20 zu ermöglichen. Gegebenenfalls kann eine optisch ansprechende Streifenstruktur innerhalb des beleuchteten Bereiches erkennbar sein.In the embodiment, an approximately circular recess was formed in the manufacture of the
Die Leuchtdiode 16 dient als optische Zustandsanzeige für eine Funktion des Wäschetrockners. Der Wäschetrockner kann beispielsweise so konfiguriert sein, dass die Leuchtdiode 16 aufleuchtet, wenn eine Knitterschutz-Funktion oder ein Schon-Trockengang geschaltet ist. Eine identische oder analog aufgebaute Anzeige kann beispielsweise auch für die Start-/Stop-Funktion vorgesehen sein. Auch andere Betriebsarten können auf die gezeigte Weise angezeigt werden. Um eine für den Bediener klare Zuordnung zwischen dem Aufleuchten eines Durchleuchtbereiches 20 und einer zugeordneten Funktion des Gerätes zu erlauben, ist auf der vorderen Oberfläche 12 der Blende 10 eine Kennzeichnung 25 durch Aufdrucken aufgebracht. Diese umfasst einen geschlossenen Ring 26, der den Durchleuchtungsbereich umschließt, sowie ein die entsprechende Funktion charakterisierendes Symbol 27 innerhalb des Ringes 26.The light-emitting
Die gezeigte Ausführungsform eines Elektrohaushaltsgerätes zeichnet sich durch höchsten Bedienungskomfort aus, der dadurch unterstützt wird, dass bei dieser Ausführungsform die Anzeigeeinrichtung mit einer kapazitiven Betätigungsvorrichtung in Sandwich-Bauweise kombiniert ist. Die durch die Kennzeichnung 25 angezeigte Funktion kann vom Bediener durch Betätigung einer kapazitiven Sensoreinrichtung ein- bzw. ausgeschaltet werden. Die Sensoreinrichtung umfasst ein an der Rückseite 13 der Blende 10 aufgebrachtes Sensorelement 30, das den Durchleuchtungsbereich 20 außerhalb des Steges 18 ringförmig umgibt, sowie eine Steuerung 31 auf der Leiterplatte 17. Ein möglicher Aufbau eines solchen Sensorelementes sowie seine Funktion werden beispielhaft in der
Ein längliches, stiftartiges Kontaktteil 32 reicht von der Leiterplatte 17 mit der Steuerung 31, mit der es elektrisch leitend über einen flächigen Kontakt verbunden ist, bis zu einem Kontaktfeld des Sensorelementes 30. Auf diese Weise ist das Sensorelement 30 elektrisch leitend mit der Steuerung 31 bzw. der Leiterplatte 17 verbunden. Das Kontaktteil kann dabei elastisch ausgebildet sein, beispielsweise als metallische Schraubenfeder oder als zusammendrückbares Element aus leitfähigem, elastischem Kunststoff.An elongated, pin-
Das Sensorelement 30 ist mit Hilfe eines Druckverfahrens, beispielsweise eines geeigneten Siebdruckverfahrens, direkt auf die Rückseite 13 der Blende 10 aufgebracht. Alternativ zur Verwendung eines Siebdruckverfahrens mit einer elektrisch leitfähigen Masse für das Sensorelement 30 kann auch ein metallfolienartiges Teil oder Plättchen durch Kleben oder auf andere Weise an der Rückseite 13 der Blende angebracht sein. Auch metallisierte oder metallische Klebefolien können als Sensorelemente 30 verwendet werden.The
Wenn nun ein Bediener seinen Finger in die Nähe oder auf den durch das Kennzeichen 25 gekennzeichneten Bereich bringt, so tritt in einem das Sensorelement umfassenden elektrischen Stromkreis eine Kapazitätsänderung auf, die von der Steuerung 31 zur Erzeugung eines Schaltsignals weiterverarbeitet wird. Gleichzeitig mit dem Einschalten oder Ausschalten der entsprechenden Funktion wird auch die Leuchtdiode 16 eingeschaltet bzw. ausgeschaltet.Now, when an operator puts his finger in the vicinity or on the area indicated by the
Anhand der
Die in
Anhand
Die bisher gezeigten Beispiele von Durchleuchtungsbereichen sind vorzugsweise in Verbindung mit einfachen Lichtquellen nutzbar, um den Schaltzustand einer Funktion (ein oder aus) anzuzeigen. Bei vielen Geräten ist es auch wünschenswert, bei einer Betriebsart oder einer Zusatzfunktion zugeordnete Werte, wie z.B. Vorwahlzeiten, Restlaufzeiten, Feuchtegrade, Temperaturen oder dergleichen anzuzeigen. Bei herkömmlichen Geräten werden hierzu häufig Mehrsegment-Anzeigen verwendet, beispielsweise LCD- oder LED-Siebensegment-Anzeigen. Eine entsprechende Funktionalität kann auch unter Nutzung der Erfindung bereitgestellt werden.The examples of transillumination regions shown so far are preferably usable in conjunction with simple light sources in order to indicate the switching state of a function (on or off). For many devices, it is also desirable to have values associated with a mode of operation or an additional function, such as e.g. Preselection times, remaining maturities, moisture levels, temperatures or the like display. Conventional devices often use multi-segment displays such as LCD or LED seven-segment displays. A corresponding functionality can also be provided using the invention.
Hierzu zeigt
Durch geeignete Ansteuerung der den Furchensegmenten zugeordneten Leuchtquellen kann nach Art einer Siebensegment-Anzeige jede beliebige Ziffer sowie jeder beliebige Buchstabe mit dieser Anzeige symbolisiert werden. Normalerweise hat eine Anzeigeeinrichtung mehrere solcher Siebensegment-Durchleuchtungsbereiche nebeneinander angeordnet, beispielsweise vier solcher Bereiche, um Uhrzeiten oder Zeitintervalle anzuzeigen, gegebenenfalls auch zur Anzeige von Temperaturen oder dergleichen.By suitable control of the furrow segments associated lighting sources, any digit and any letter can be symbolized with this display in the manner of a seven-segment display. Normally, a display device has a plurality of such seven-segment transillumination areas arranged side by side, for example, four such areas to indicate times or time intervals, optionally also for displaying temperatures or the like.
Die
Dafür ist eine sogenannte Lichtverteilerplatte 65 vorgesehen. Diese ist, wie in
Die Einbettung der Lichtverteilerplatte 65 in die Blende 60 kann grundsätzlich, wie zuvor beschrieben worden ist, auf verschiedene Art und Weise erfolgen. In
Anstelle eines Einspritzens könnte eine Lichtverteilerplatte 65 auch eingeklipst werden. Dies wäre möglich, wenn die Hintergreifung in
Hinter der Lichtverteilerplatte 65 ist ein erster Lichtleiter 67 angeordnet. Licht von einer Leuchtdiode 66 wird über einen zweiten Lichtleiter 68 und den ersten Lichtleiter 67 in die Lichtverteilerplatte 65 eingekoppelt. Dieses ist an sich für den Fachmann aus der Zeichnung im Zusammenhang mit der vorstehenden Beschreibung selbst erklärbar und braucht hier nicht näher erläutert werden.Behind the
Wie in
Vorteilhaft sind an der Blende 60, wiederum ähnlich wie in
Während in den vorstehenden Figuren feststehende bzw. unbewegliche Bedieneinrichtungen in Form einer Blende dargestellt worden sind, zeigen
Hinter der Blende 71 ist eine LED 76 angeordnet. Diese strahlt Licht in einen zweiten Lichtleiter 78. Wie in
Ein erster Lichtleiter 77 ist an den zweiten Lichtleiter 78 lichtleitend angeschlossen mit einem geringen Abstand zu diesem. Der erste Lichtleiter 77 ist, wie zu erkennen ist, in den Drehknebel 70 eingeschlossen. Mit seinem vorderen Ende reicht der Lichtleiter 77 in einen Durchleuchtungsbereich 75 an der Vorderfläche des Drehknebels 70. In dem Durchleuchtungsbereich 75 ist die Materialstärke der Vorderseite wiederum erfindungsgemäß erheblich geringer als die sonst gegebene Norm-Materialstärke.A
Durch die umlaufende Ausbildung des zweiten Lichtleiters 78 oberhalb der Blende 71 findet hier ständig in jeder Drehstellung eine Lichtabgabe statt. Der erste Lichtleiter 77 dagegen ist eher stabförmig ausgebildet. Er kann in jeder Drehstellung Licht von dem zweiten Lichtleiter 78 abnehmen und im wesentlichen punktförmig im Durchleuchtungsbereich 75 abgeben. Die Befestigung des ersten Lichtleiters 77 in dem Drehknebel 70 erfolgt vorteilhaft durch Einstecken mit Presssitz oder Einkleben.Due to the peripheral design of the second
In
Hier ist eine LED 86 mit einem zweiten Lichtleiter 88 verbunden. Der zweite Lichtleiter 88 ragt, beispielsweise stabartig, durch die Durchgangsöffnung 84 in das Innere des Drehknebels 80 hinein. Anders als in
Der zweite Lichtleiter 88 schließt an einen ersten Lichtleiter 87 an und koppelt Licht in diesen ein. Der erste Lichtleiter 87 ist zur Seite des Drehknebels 80 hin ausgerichtet an einem seitlichen Durchleuchtungsbereich 85. In diesem Durchleuchtungsbereich 85 wiederum ist die Materialstärke gegenüber der sonstigen Norm-Materialstärke so verringert, dass das Material erfindungsgemäß durchscheinend ist und das übertragene Licht der LED 86 nach außen abstrahlt, wie dargestellt ist.The second
Diese Variation eines Drehknebels 80 bewirkt somit ein Abstrahlen eines Lichtsignals oder dergleichen in einer einzigen Drehstellung des Drehknebels 80. Dies ist nämlich genau die Stellung, in der der durch Drehung umlaufende erste Lichtleiter 87 genau übereinstimmt mit dem an der Blende 81 festsitzenden ersten Lichtleiter 88.This variation of a
Für welchen Verwendungszweck ein Drehknebel 70 nach
Es wird noch einmal darauf hingewiesen, dass die Zeichnungen lediglich schematisch zu verstehen sind. Dies gilt insbesondere für Größen oder Dicken bzw. Größenverhältnisse zueinander.It is pointed out again that the drawings are only to be understood schematically. This applies in particular to sizes or thicknesses or proportions to each other.
Die anhand einiger Ausführungsbeispiele beispielhaft erläuterte Erfindung kann dazu genutzt werden, um beliebig gestaltete Anzeigeeinrichtungen zum Einsatz in elektrischen oder elektrisch gesteuerten Anlagen, Apparaten oder Geräten, speziell in Haushaltsgeräten, bereitzustellen.The invention exemplified with reference to some embodiments can be used to provide arbitrarily designed display devices for use in electrical or electrically controlled systems, apparatus or devices, especially in household appliances.
Bevorzugte Anwendungsgebiete sind Großhaushaltsgeräte, beispielsweise Waschmaschinen, Trockner oder Geschirrspülgeräte, die herkömmlich mit durchgängig nicht-transparenten Kunststoffblenden oder Bedieneinrichtungen wie Drehknebeln odgl. versehen sind. Werden diese nach Maßgabe der Erfindung modifiziert, so ergeben sich kostengünstige Möglichkeiten, ein Höchstmaß an Flexibilität bei der Variantenbildung von Anzeigeeinrichtungen zu sichern. Dank der Erfindung kann für eine gesamte Gerätefamilie mit unterschiedlichsten Funktionalitätsausstattungen ein Typ von Blende mit vorbereiteten Durchleuchtungsbereichen verwendet werden, die dann je nach Geräteausstattung mit geeigneten Leuchteinrichtungen kombiniert werden kann. Da aufgrund der Erfindung Blenden mit Anzeigen und geschlossenen Oberflächen geschaffen werden können, ist ein Höchstmaß an Funktionssicherheit bei äußerst ansprechendem Erscheinungsbild möglich.Preferred fields of application are large household appliances, for example washing machines, dryers or dishwashers, which are conventionally provided with non-transparent plastic screens or operating devices such as rotary knobs or the like. are provided. If these are modified in accordance with the invention, then cost-effective possibilities arise for ensuring a maximum of flexibility in the variant formation of display devices. Thanks to the invention can be used for a whole family of devices with different functionality equipment, a type of aperture with prepared fluoroscopy areas, which can then be combined depending on the equipment with suitable lighting devices. Since, due to the invention, shutters with displays and closed surfaces can be created, a maximum of functional reliability is possible with an extremely attractive appearance.
Claims (29)
- Domestic electrical appliance, particularly washing machine, clothes drying machine or dishwasher, having at least one control device (10, 40, 50, 60, 70, 80), with which is associated at least one display device (15) with a light source (16, 66, 76, 86) for providing visual information to the user, the control device at least partly comprising a covering material which for a standard material thickness (14) is substantially opaque, characterized in that, in an area provided for the display device the control device has at least one transillumination area (20, 35, 41, 46, 60, 63, 75, 85) in which the material thickness of the covering material is so reduced compared with the standard material thickness such that the transillumination area can be transilluminated by the light of the light source (16).
- Domestic electrical appliance according to claim 1, characterized in that the light source (16, 66, 76, 86) is positioned at the back of the control device (10, 40, 50, 60, 70, 80) facing the transillumination area (20, 35, 41, 46, 60, 63, 75, 85).
- Domestic electrical appliance according to claim 1 or 2, characterized in that the covering material is a plastic, particularly an ABS plastic.
- Domestic electrical appliance according to one of the preceding claims, characterized in that the transillumination area (20, 35, 41, 46, 60, 63, 75, 85) of the control device (10, 40, 50, 60, 70, 80) is produced by injection moulding during the manufacture of the control device.
- Domestic electrical appliance according to one of the preceding claims, characterized in that the standard material thickness (14) exceeds approximately 1 mm and is in particular at least 2 mm.
- Domestic electrical appliance according to one of the preceding claims, characterized in that the material thickness in the transillumination area (20, 35, 41, 46, 60, 63, 75, 85) is at least zonally less than approximately 0.8 mm, particularly less than approximately 0.5 mm and preferably between approximately 0.3 mm and approximately 0.5 mm.
- Domestic electrical appliance according to one of the preceding claims, characterized in that a user-facing front surface (12) of the control device is closed and/or substantially smooth in the vicinity of the display device (15).
- Domestic electrical appliance according to one of the preceding claims, characterized in that a user-facing front surface (12) of the control device has in the vicinity of and/or in the transillumination area a preferably permanently visible marking (25) for a functionality associated with the light source.
- Domestic electrical appliance according to claim 2, characterized in that the control device back (13, 43, 53) facing or which can be made to face the light source has a macroscopic surface structuring in the transillumination area (20).
- Domestic electrical appliance according to claim 9, characterized in that the surface structuring is constructed as a structure scattering the light of the light source (16).
- Domestic electrical appliance according to claim 9 or 10, characterized in that the surface structure has a plurality of grooves (21) and raised portions (22) and the covering material is at least zonally transilluminatable, at least in the vicinity of the grooves.
- Domestic electrical appliance according to one of the preceding claims, characterized in that additional light-varying or light-conducting devices are located in the transillumination area (20, 35, 41, 46, 60, 63, 75, 85) and comprise separate parts.
- Domestic electrical appliance according to claim 12, characterized in that the devices are coloured and are in particular colour wheels.
- Domestic electrical appliance according to claim 12 or 13, characterized by at least one device from the following group: light guides, light distributors, light deflectors, concentrators, lenses and prisms and preferably in the case of light-conducting elements the light source (16) can also be further removed from the transillumination area (20, 35, 41, 46, 60, 63, 75, 85).
- Domestic electrical appliance according to one of the claims 12 to 14, characterized in that the light-varying or light-conducting device (65) is connected in fixed, non-detachable manner with the control device close to or directly at the transillumination area (63) and is in particular moulded in using a multicomponent process.
- Domestic electrical appliance according to one of the claims 12 to 14, characterized in that the light-varying or light-conducting device (77, 87) is detachably fixed, preferably screwed or clipped, to the control device.
- Domestic electrical appliance according to one of the preceding claims, characterized in that in the transillumination area (60) the control device (50) has at least one recess in the form of a multisegment display, particularly in the form of a seven segment display.
- Domestic electrical appliance according to one of the preceding claims, characterized in that the light source has at least one light emitting diode (16, 66, 76, 86).
- Domestic electrical appliance according to one of the preceding claims, characterized in that with the transillumination area (20) is associated an actuating device (30, 32) for actuating a function or functional device of the domestic electrical appliance and preferably the actuating device has no movable parts.
- Domestic electrical appliance according to claim 19, characterized in that the actuating device has a sensor device (30, 32) for generating switching signals as a reaction to an approach or contact of an area surrounding the transillumination area and preferably the sensor device is constructed as a capacitive sensor device.
- Domestic electrical appliance according to claim 19 or 20, characterized in that the actuating device has at least one sensor element (30) fitted to the control device back and which at least zonally surrounds the transillumination area (20).
- Domestic electrical appliance according to one of the preceding claims, characterized in that the control device is a panel (10), which is in particular placed in fixed manner on the domestic electrical appliance, the covering material being the panel material and for control purposes there are further actuating devices such as sensor devices (30, 32) or the like.
- Domestic electrical appliance according to one of the claims 1 to 21, characterized in that the control device (79, 80) is movable and is located on one side of the domestic electrical appliance, e.g. a panel (71, 81), the control or operation of the domestic electrical appliance being determined by the direction and/or extent of the movement.
- Domestic electrical appliance according to claim 23, characterized in that the control device is a toggle (70, 80) with a movement direction in a plane parallel to the side of the domestic electrical appliance, preferably being a rotary toggle.
- Domestic electrical appliance according to claim 23, characterized in that the control device is a button with a movement direction into the side of the domestic electrical appliance and is preferably a push button.
- Domestic electrical appliance according to one of the preceding claims, characterized in that the light source (16, 66, 76, 86) at least partly projects into the control device and is preferably located therein.
- Domestic electrical appliance according to one of the claims 1 to 25, characterized in that the light source (16, 66, 76, 86) is located in the domestic electrical appliance outside the control device and preferably with a light-conducting duct from the light source to the transillumination area and in particular the light-conducting duct is a light guide.
- Control device, particularly panel (10, 40, 50) for fixing to an electrical appliance, particularly to a washing machine, a clothes drying machine or a dishwasher, the control device at least partly comprising a covering material which at the standard material thickness (14) selected for the control device is substantially opaque and in an area provided for a display device for providing the user with visual information has at least one transillumination area (20, 35, 41, 46, 60), in which the covering material thickness is so reduced compared with the standard material thickness that the transillumination area can at least zonally be transilluminated by the light of a light source positioned facing the back of the control device.
- Control device according to claim 28, characterized by the features of the characterizing part of at least one of the claims 2 to 27.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE10236718A DE10236718A1 (en) | 2002-08-06 | 2002-08-06 | Washing machine, tumble drier or dishwasher with optical display for operating data has panel with section of reduced thickness, on which display is mounted, and light source below it |
DE10236718 | 2002-08-06 | ||
PCT/EP2002/010082 WO2004018759A1 (en) | 2002-08-06 | 2002-09-09 | Electrical household appliance equipped with a control device and a display device |
Publications (2)
Publication Number | Publication Date |
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EP1573111A1 EP1573111A1 (en) | 2005-09-14 |
EP1573111B1 true EP1573111B1 (en) | 2008-11-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02764878A Expired - Lifetime EP1573111B1 (en) | 2002-08-06 | 2002-09-09 | Electrical household appliance equipped with a control device and a display device |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060089732A1 (en) |
EP (1) | EP1573111B1 (en) |
JP (1) | JP2005534456A (en) |
KR (1) | KR20050073447A (en) |
CN (1) | CN1697898B (en) |
AT (1) | ATE413486T1 (en) |
AU (1) | AU2002329273A1 (en) |
DE (2) | DE10236718A1 (en) |
PL (1) | PL198346B1 (en) |
WO (1) | WO2004018759A1 (en) |
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- 2002-08-06 DE DE10236718A patent/DE10236718A1/en not_active Withdrawn
- 2002-09-09 EP EP02764878A patent/EP1573111B1/en not_active Expired - Lifetime
- 2002-09-09 JP JP2004529951A patent/JP2005534456A/en active Pending
- 2002-09-09 DE DE50212997T patent/DE50212997D1/en not_active Expired - Lifetime
- 2002-09-09 WO PCT/EP2002/010082 patent/WO2004018759A1/en active Application Filing
- 2002-09-09 KR KR1020057002314A patent/KR20050073447A/en not_active Application Discontinuation
- 2002-09-09 US US10/523,476 patent/US20060089732A1/en not_active Abandoned
- 2002-09-09 AU AU2002329273A patent/AU2002329273A1/en not_active Abandoned
- 2002-09-09 PL PL374217A patent/PL198346B1/en not_active IP Right Cessation
- 2002-09-09 AT AT02764878T patent/ATE413486T1/en not_active IP Right Cessation
- 2002-09-09 CN CN028297164A patent/CN1697898B/en not_active Expired - Fee Related
Cited By (10)
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DE102012220255A1 (en) | 2012-11-07 | 2014-05-08 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance i.e. washing machine, for processing laundry items, has selecting region comprising rotary selector, and lights illuminating portion of rotary selector and/or surrounding boundary region and display portions |
DE102012220255B4 (en) | 2012-11-07 | 2024-04-25 | BSH Hausgeräte GmbH | Household appliance with a front panel with a selection area and a display area |
DE102014210824A1 (en) | 2014-06-06 | 2015-12-17 | BSH Hausgeräte GmbH | Household appliance with a visualization of process steps running therein and method for its operation |
DE102014211305A1 (en) | 2014-06-13 | 2015-12-17 | BSH Hausgeräte GmbH | Home appliance with a rotary switch and method of its operation |
DE102016210171A1 (en) | 2016-06-09 | 2017-12-14 | BSH Hausgeräte GmbH | Household appliance with illuminated rotary selector and method for operating the household appliance |
DE102016211327A1 (en) | 2016-06-24 | 2017-12-28 | BSH Hausgeräte GmbH | Household appliance with improved rotary selector and method of operation of the household appliance |
DE102016214642A1 (en) | 2016-08-08 | 2018-02-08 | BSH Hausgeräte GmbH | Home appliance with touch dial, process for its manufacture and method of operation |
WO2018028949A1 (en) | 2016-08-08 | 2018-02-15 | BSH Hausgeräte GmbH | Household appliance comprising a touch rotary switch, method for producing same and method for operating same |
DE102016214642B4 (en) | 2016-08-08 | 2024-02-29 | BSH Hausgeräte GmbH | Household appliance with a touch rotary selector, method for its manufacture and method for its operation |
DE102019129120B3 (en) * | 2019-10-29 | 2021-01-21 | Audi Ag | Control element for a motor vehicle with a display device |
Also Published As
Publication number | Publication date |
---|---|
CN1697898A (en) | 2005-11-16 |
PL198346B1 (en) | 2008-06-30 |
EP1573111A1 (en) | 2005-09-14 |
US20060089732A1 (en) | 2006-04-27 |
AU2002329273A1 (en) | 2004-03-11 |
CN1697898B (en) | 2010-06-09 |
PL374217A1 (en) | 2005-10-03 |
WO2004018759A1 (en) | 2004-03-04 |
DE50212997D1 (en) | 2008-12-18 |
ATE413486T1 (en) | 2008-11-15 |
JP2005534456A (en) | 2005-11-17 |
DE10236718A1 (en) | 2004-02-12 |
KR20050073447A (en) | 2005-07-13 |
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