EP2420607B1 - Faceplate of an operating unit for a domestic appliance, operating unit for a domestic appliance and domestic appliance - Google Patents
Faceplate of an operating unit for a domestic appliance, operating unit for a domestic appliance and domestic appliance Download PDFInfo
- Publication number
- EP2420607B1 EP2420607B1 EP11176229.0A EP11176229A EP2420607B1 EP 2420607 B1 EP2420607 B1 EP 2420607B1 EP 11176229 A EP11176229 A EP 11176229A EP 2420607 B1 EP2420607 B1 EP 2420607B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light guide
- faceplate
- panel
- embodied
- operating unit
- 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.)
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Images
Classifications
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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
-
- 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
Definitions
- the present invention relates to a panel of a control unit of a household appliance, comprising at least one aperture for the passage of at least a first part of at least one light guide. Furthermore, the invention relates to an operating unit of a household appliance, with a panel having at least one aperture for passing at least a first part of a light guide, with at least one light guide for transmitting light and with a control module for supporting at least one electrical and / or electronic component, wherein a second part of the at least one light guide for introducing light from a light source between the diaphragm and the operating module is arranged, and a household appliance with a control unit.
- Operating units in particular electronic operating units, are used in various household appliances, home technology and consumer electronics. Such household appliances are, for example, washing machines, cookers, dishwashers or extractor hoods.
- the requirements for operating units are manifold.
- control units fulfill various technical functions.
- control units display visually stored functions of the respective control buttons.
- Modern operating units have optical fibers, are illuminated or illuminated by the control buttons of the control unit. Often, the light guides themselves are designed as control buttons or switching elements.
- the operating module on which the electrical and / or electronic components are seated, is protected by an aperture, also referred to as a cover panel. Between the Operating module and the aperture are one or more optical fibers provided, which serve to illuminate the control buttons, which are guided through the aperture.
- optical fibers to the diaphragm of such a control unit
- light guides are attached to the panel by ultrasonic welding.
- the aperture is fixed in an ultrasonic welding machine.
- a first end of a light guide is arranged on a sonotrode of the ultrasonic welding machine and the light guide is welded to the panel.
- the process is repeated for the second end of the light guide in order to realize a secure attachment of the light guide to the diaphragm.
- Another method to fix a light guide to a panel of a control unit of a household appliance is the use of an adhesive.
- the disadvantage here is the difficult centering of the light guide to the panel and in particular that the adhesive connection can not be solved or only with considerable effort again.
- a release of a bonded optical fiber from a diaphragm is not possible without damaging the light guide or the diaphragm.
- the control panel of DE 10 2006 023 954 A1 has a hook on the back of its front panel, which hooks into a hooking hole of a mounting portion.
- the attachment portion is connected via a connecting portion with the contact portion of a key portion.
- the key section sits in a keyhole of a sunken in the front panel, transparent window in a direction of movement perpendicular to the position of the front plate liftable . Only the key portion is made of transparent material.
- Behind the front panel By far, an LED carrier is arranged. If a key press is exerted on the key section when it is actuated on the front side, then it moves in the key hole in the direction of an operating transfer section of the LED carrier. The operation transmitting section then switches a key switch of the LED carrier. Each time the key switch turns on and off, light from an LED of the LED carrier flickers and passes over a guide portion to the key portion, through the transparent material of which it is directed to the front of the front panel.
- the object of the invention is to provide a panel of a control unit for a household appliance, an operating unit of a household appliance and a household appliance, which allow a simple and inexpensive secure fixation of at least one light guide to the aperture of the control unit.
- the invention is based on the finding that these objects can be achieved by securely locking the at least one light guide of an operating unit to a specially designed aperture.
- the object is achieved by a panel of a control unit of a household appliance, in particular a washing machine or dishwasher, comprising at least one aperture for passing at least a portion of at least one light guide, wherein the aperture for fixing the at least one light guide at least one resilient locking element has dissolved.
- a panel of a control unit of a household appliance which has at least one resiliently designed locking element for fixing one or more light guides, allows a structurally simple and cost-effective fastening of the light guide or fibers to the panel.
- the at least one spring-elastic locking element ensures that the at least one light guide is firmly fixed to the panel. Due to the spring elasticity of the at least one latching element, the at least one light guide can be clamped to the panel, in particular to the inside of the panel which faces an adjustment module of the control unit. That is, by the resilience of the at least one locking element can be avoided that a light guide is fixed with play on the panel.
- the diaphragm has only a single spring-elastic locking element.
- a trained aperture allows in particular the secure fastening of a single light guide.
- one end of the light guide can be arranged behind a projection, behind an undercut or in a recess of the diaphragm and the other end of the light guide can be fixed by means of the spring-elastic locking element.
- Preference is given to a panel which has two or more resilient locking elements. In this case, the locking elements on the invisible to a user inside of the panel, which faces the operating module of the control unit, arranged.
- Several locking elements allow that a light guide from several sides held, in particular clamped, can be.
- a light guide according to the invention is a body which is formed of a transparent, translucent material, preferably plastic, and allows the transport of light.
- the light guide is formed of a solid material.
- the light guide at least partially as Optical fiber, as a glass fiber, as a polymeric optical fiber or as another light-conducting flexible component is formed.
- the at least one light guide has at least one first part, which can be passed through an aperture in the aperture.
- the light guide is a complex formed body having a main body and a plurality of first parts, which can be passed through a plurality of apertures in the aperture.
- a diaphragm which has two or more apertures for receiving the at least two or more first parts of a light guide or a plurality of light guides.
- the at least one aperture of the aperture can be designed differently.
- the at least one aperture can be formed, for example, as a round, oval or square hole, through which a complementary formed first part of a light guide can be passed.
- the at least one aperture is formed as a through hole in the aperture.
- the at least one resilient locking element is resiliently braced, in particular bent back, so that a light guide can be positively applied to the panel or to the at least one resilient locking element.
- the at least one spring-elastic locking element snaps back in the direction of its starting position so that it fixes the optical waveguide positively and non-positively to the diaphragm, in particular on the inside of the diaphragm.
- the at least one resilient locking element is designed in particular as a protruding from the panel part, in particular as an outstanding from the aperture elongated profile.
- the at least one resiliently designed detent element has a detent projection for engaging behind the at least one optical waveguide.
- the latching projection on the latching element is preferably arranged at the free end of the latching element.
- the latching projection is formed monolithically with the latching element.
- a latching element with a latching projection has in particular a hook-shaped form.
- the locking projection represents a kind
- the latching projection has a bevel inclined to the longitudinal axis of the latching element or contact surface, which serves to bear against the light guide.
- An advantage of the apertures described above is that the light guide can be easily locked to the panel, in particular clipped, can be. This is possible in particular without great design effort. Due to the spring elasticity of the at least one resiliently formed locking element of the diaphragm is further ensured that a light guide can be easily removed again from the panel. This is particularly advantageous if either the optical fiber or the aperture are to be replaced due to damage.
- a diaphragm in which two or more spring-elastic locking elements are provided for fixing a light guide. This is a particularly secure holding the light guide to the panel, in particular on the side facing the operating module of a control unit inside the panel ensures.
- the spring-elastic locking elements are preferably arranged offset to one another at the diaphragm.
- the latching projections on each spring-elastic locking element are preferably aligned such that when fixing a light guide to the latching elements of the light guide is engaged behind by all latching projections of the spring-elastic locking elements.
- the at least one resilient locking element protrudes perpendicular or inclined to the longitudinal axis of the diaphragm from this.
- the aperture is usually flat or slightly curved.
- the resiliently formed locking elements at an angle between 70 ° and 90 °, in particular at an angle between 80 ° and 85 °, inclined to the diaphragm or to the inside of the diaphragm are arranged.
- a plurality of latching elements are preferably arranged such that they are arranged inclined to each other.
- the spring-elastic locking elements can be arranged tangentially to the panel. Due to the curvature of the locking elements are inclined to each other, so that a very secure attachment of at least one light guide can be made possible.
- the at least one resiliently formed detent element is formed monolithically with the diaphragm.
- the panel is made together with the at least one resilient locking element in a common manufacturing process.
- a diaphragm formed by a casting process in particular an injection molding process, can be produced easily and inexpensively.
- Such a trained aperture can be made of a metallic material.
- a light metal such as an aluminum alloy, conceivable.
- the diaphragm is made of plastic.
- a plastic formed aperture can be particularly simple and inexpensive by a casting process, in particular injection molding getting produced. At the same time a high strength of the diaphragm and arranged on the panel locking elements is ensured.
- a diaphragm which is characterized in that the at least one resilient locking element has an inclined to the longitudinal axis of the aperture contact surface for abutment of a support surface of an operating module.
- the at least one resilient locking element can be additionally secured by the operating module, so that after attachment of the control module to the panel, the locking elements of the diaphragm immovable between the at least one light guide and the Operating module abut.
- the inclined contact surface of a locking element serves to bear a support surface of the operating module.
- a locking element is pressed after contact of the support surface of the control module to the contact surface of the locking element against the light guide.
- the inclined contact surface of a locking element allows a slight pressing of the control module to the locking element, so that this can exert an additional clamping torque on the light guide.
- the inclined contact surface of the latching element is preferably arranged parallel or approximately parallel to the likewise inclined contact surface of the latching projection of the latching element, on the side facing away from the inclined contact surface of the latching projection side of the latching projection or of the latching element.
- the inclined contact surfaces of a plurality of latching elements are arranged relative to one another such that the planes in which the inclined contact surfaces extend intersect at one point.
- the at least one resilient locking element is advantageously designed for engaging behind a trained as a switch light guide.
- the light guide not only the function of lighting, but also the function of a switch, in particular a pressure switch exert.
- the at least one resiliently formed locking element of the diaphragm engages behind and thereby fixes the light guide designed as a switch such that it can be securely arranged in front of an actuating element of the operating module of the control unit.
- one or more sealing elements are provided on the at least one diaphragm aperture and / or on the side of the diaphragm facing the at least one optical fiber.
- the at least one sealing element ensures that no water, in particular splash water, can flow through the at least one diaphragm opening of the diaphragm to the operating module of the operating device.
- the at least one light guide is fixed in such a sealed manner to the panel that a flow of water can be prevented.
- a sealing element is provided at least in each aperture of the aperture, so that water can not reach the inside of the panel at all.
- the at least one sealing element is preferably made of plastic or rubber.
- an operating unit of a household appliance with a panel having at least one aperture for passing at least a first part of a light guide, with at least one light guide for transmitting light and with an operating module for holding at least one electrical and / or electronic component, wherein a second part of the at least one light guide for introducing light of a light source between the diaphragm and the operating module is arranged, and wherein the diaphragm is formed according to at least one advantageous embodiment of the first aspect of the invention, solved.
- a household appliance may be, for example, a washing machine, a dishwasher, an oven, a stove or an extractor hood.
- An operating unit of a household appliance in which the aperture for fixing at least one light guide has at least one resiliently formed locking element, allows a particularly simple and cost-effective fixation of at least one light guide to the panel, in particular on the facing to the operating module of the control unit inside the panel.
- the operating unit of the household appliance is characterized in that one or more light guides are fixed between the panel and the operating module.
- the one or more light guides are held by the provided on the diaphragm resiliently shaped locking elements on the panel, in particular prefixed, so that the at least one light guide remains securely fixed even in the unassembled state of the control unit to the aperture of the control unit. This is particularly advantageous for transport or storage purposes.
- the aperture of the operating unit has at least one aperture, preferably two or more apertures, for the passage of at least a first part of a light guide.
- a light guide has a main body with a plurality of first parts, which are each guided through a corresponding aperture in the aperture and additionally have or fulfill a switching functionality in addition to the illumination function. That is, the fact that the light guide is preferably formed of a solid transparent material, the light guide, in particular the at least first part of the light guide, serve as a switch for actuating an actuating element, in particular an electrical or electronic component, the operating module of the operating unit.
- the light guide of the control unit may have a planar or approximately planar, for example, slightly curved, base body, on which protrude one or more monolithically formed to the base body, the first parts.
- the at least one protruding first part is arranged in particular perpendicularly or approximately perpendicular to the longitudinal alignment of the base body of the light guide, so that the at least one first part of the light guide can be guided through the at least one aperture opening of the light guide when the main body of the light guide rests against the aperture.
- an aligned second part is arranged on the light guide, in particular arranged on the side opposite the respective first part of the main body of the light guide, so that each first part in interaction with the respectively aligned second part as a switch or serve control button.
- the at least one light guide or the main body of the light guide of the control unit may have a peripheral edge which serves as a contact for the resiliently formed locking elements of the diaphragm.
- an operating unit is preferred in which the at least one optical waveguide has at least one abutment element for abutment with the at least one resiliently formed detent element of the diaphragm, wherein the abutment element is part of the optical waveguide.
- a light guide may have specially trained contact elements, via which the light guide can be clamped to the panel. These contact elements may for example be angled projections at the free ends of the light guide, which are designed for positive engagement with the resilient locking elements of the diaphragm.
- the contact elements of the optical waveguide are preferably arranged on the optical waveguide in such a way that upon contact of the optical waveguide with the diaphragm, the contact elements on the side of the optical waveguide facing away from the latter protrude from the latter.
- the contact elements can be arranged perpendicular or inclined to the voltage applied to the diaphragm side of the light guide to the light guide.
- the abutment elements which in particular have an elongated profile, have a length such that the free ends of the abutment elements bear against the corresponding latching projections of the resiliently formed latching elements.
- the aperture of the operating unit is fixed to the operating module of the operating unit.
- the at least one light guide between the operating module and the diaphragm is arranged, in particular clamped.
- the operating module has at least one support surface, inclined to the longitudinal axis of the diaphragm aperture of the diaphragm, for engagement with a contact surface of the at least one resiliently formed latching element.
- the freedom of movement of the locking element is limited, in particular completely prevented.
- the at least one inclined support surface of the control module supports the at least one resiliently formed locking element in addition, so that this is not distorted or bent back and the light guide can not be released from its attachment to the panel.
- the at least one inclined support surface of the operating module is so inclined arranged on the operating module or formed that correspond to the inclinations of the contact surfaces of the respective resiliently formed locking elements in a mounting of the operating module to the panel, the inclination of the support surfaces.
- the at least one light guide of the operating unit is preferably designed as a switch for actuating a functionality of the operating module. That is, the at least one light guide has, in addition to its illumination functionality, the function of a switch or an operating button for actuating a functionality of the operating module. Therefore, according to a particularly preferred further development of the invention, it is provided in the operating unit that the second part of the at least one light guide is in contact with the operating module or at least in contact with functional units or actuating elements of the operating module.
- the second part of the at least one light guide is the part of the light guide which is clamped between the inside of the panel and the operating module.
- the second part of the optical waveguide is the part of the optical waveguide which is arranged in alignment with the first part of the optical waveguide on the main body and which is in contact with an electrical or electronic actuating element of the operating module.
- the at least one first part of the light guide is passed through the at least one aperture of the aperture for actuation by a user.
- the light guide which is preferably formed of a solid transparent material, serve as a switch or control button for actuating a functionality of the control module.
- the object is achieved by a household appliance with a control unit, which is formed according to the second aspect of the invention.
- the household appliance may be, for example, a washing machine, a dishwasher, an oven, a cooker, an extractor fan, etc .... or other household appliance for cooking, washing, drying, rinsing, etc ..
- a household appliance wherein the control unit has a panel with at least one aperture for passing at least a first part of a light guide and at least one resiliently formed locking element for fixing at least one light guide, at least one light guide for transmitting light and at least one control module with electrical and / or electronic Having components allows a particularly simple and inexpensive and at the same time very secure fixation of at least one light guide to the aperture of the control unit.
- Such household appliances can due to the simplicity of attachment of the at least one light guide of Operating unit can be produced at the aperture of the control unit cost and faster.
- the secure fixing of the at least one light guide to the panel of the control unit of the household appliance ensures that even with a transport of the household appliance, the light guide is not lost and the functionality of the control unit is maintained unrestricted. Even with bumps on the household appliance, in particular on the outside of the aperture of the control unit, it is ensured that the at least one light guide remains fixed unchanged at the diaphragm or between the diaphragm and the operating module of the control unit
- Fig. 1 schematically shows in a perspective view of a household appliance 100, for example in the form of a washing machine, which has an operating unit 50 with a panel 1, which is formed according to the inventive design principle.
- the panel 1 of the control unit 50 serves as a cover or protection of the light guide 10 and the control module of the control unit 50.
- At least first parts 11 of the light guide 10 are passed through apertures 2 of the panel 1 so that they are visible to a user of the household appliance 100 and actuated ,
- FIG. 2 schematically shows a front view of a possible embodiment of a panel 1, which is formed according to the inventive design principle.
- the panel 1 has a plurality of apertures 2 for the passage of optical fibers, in particular first parts of a light guide on.
- Fig. 3 schematically shows in a perspective view of an embodiment possibility of a light guide 10 of an operating unit 50, which is designed according to the inventive design principle.
- the light guide 10 in this embodiment has a main body 14 and a plurality of protruding from the main body 14 first parts 11, which are formed for passage through aperture openings 2 of the panel 1.
- the main body 14 is formed here in the embodiment in an advantageous manner in the form of a plate with structural elements such as 11.
- the light guide 10 is preferably made of a solid transparent, that is to say transparent, material, in particular a plastic, so that light passed through the light guide 10 can emerge from the first parts 11 of the light guide 10 for visual recognition by a user.
- Fig. 4 schematically shows in a perspective view of a possible operating module 20 of a control unit 50 for a household appliance, which is designed according to the inventive design principle.
- the light guide 10 for example, designed according to Fig. 3
- the panel 1, for example, formed according to Fig. 1 and the operating module 20, for example, designed according to Fig. 4 permanently arranged securely, in particular securely clamped.
- a resiliently formed locking element 3 of a panel 1 of a control unit of a household appliance wherein the panel 1 is formed according to the construction principle of the invention.
- the spring-elastic locking element 3 is integrally formed, in particular monolithic, with the panel 1.
- the resiliently formed locking element 3 protrudes from the panel 1, in particular from the inside of the panel 1 facing an operating module of an operating unit.
- the spring-elastic locking element 3 has at its free end a latching projection 4, which is designed for engaging behind at least one light guide.
- the resiliently shaped locking element 3 is perpendicular to the longitudinal axis 6 of the panel 1, in particular to the positional plane arranged.
- the at least one resiliently formed locking element 3 of the panel 1 inclined, in particular at an angle between 70 ° and 90 °, more preferably at an angle between 80 ° and 85 °, inclined to the longitudinal axis 6 of the panel 1, in particular its position plane to be arranged.
- the panel 1 has two or more resilient locking elements 3, which serve for secure fixation of at least one light guide 10 to the panel 1.
- the spring elasticity of the at least one elastically formed latching element 3 makes it possible for the latching elements 3 to exert a clamping force on the applied light guide 10 after the optical waveguide 10 has been positively applied to the panel 1, in particular to the inside of the panel 1 facing the adjustment module 20. As a result, this is securely held on the panel 1.
- the optical waveguide 10 has an abutment element 13 for abutment with the spring-elastic locking element 3 of the diaphragm 1.
- the contact element 13 is part of the light guide 10.
- the contact element 13 is formed monolithically with the light guide 10.
- the contact element 13 is formed on the circumferential free end of the light guide 10 as a protruding projection.
- the contact element 13 is perpendicular or approximately perpendicular to the main body 14 of the light guide 10 disposed thereon.
- the contact element 13 is preferably designed such that it can be engaged behind the form-fitting manner by the spring-elastic locking element 3 of the panel 1.
- the latching projection 4 of the elastically formed latching element 3 engages behind the free end of the system element 13 of the light guide 10, so that the light guide 10 is securely held on the panel 1. Due to the resilience of the spring-elastic locking element 3 of the panel 1 can be exerted on the contact element 13 of the light guide 10 and thus on the light guide 10 on the inclined contact surface 5 of the locking projection 4, wherein the clamping force is directed in the direction of the panel 1.
- This clamping force is in Fig. 6 represented by the arrow on the contact element 13.
- the resiliently formed locking element 3 of the panel 1 further preferably has a longitudinal axis 7 of the aperture 2, in particular its position inclined surface contact surface 5.
- This inclined formed contact surface 5 of the resiliently formed locking element. 3 serves to bear a support surface 21 of the operating module 20, see in particular Fig. 7 , That is, the support surface 21 of the control module 20 of the control unit is designed inclined so that it can lie flat or flush or approximately flush with the contact surface 5 of the resilient locking element 3.
- the support surface 21 of the control module 20 contacts the contact surface 5 of the resiliently formed locking element 3, so that this is limited in its movement, so that a spring back of the resiliently formed locking element 3 is reliably prevented.
- the operating module 20 supported by the support surface 21, the attachment of the light guide 10 to the panel 1. Therefore, in the assembled state of the control unit of the light guide 10 is particularly secure to the panel 1.
- a plurality of support surfaces 21 are provided on the operating module 20 such that these support surfaces 21 are assigned to the corresponding latching elements 3 or contact surfaces 5 of the latching elements 3.
- the first part 11 of the light guide 10 is passed through the aperture 2 of the panel 1 and that the second end 12 of the light guide 10 is arranged to the operating module 20, that by a pressure actuation of the first part 11 of the light guide 10, the pressure pulse can be forwarded via the second part 12 of the light guide 10 on an unillustrated actuator of the control module 20 for actuating the same.
- Such trained panels of control units for household appliances such as washing machines or dishwashers, etc., or such trained operating units for household appliances and appliances allow a structurally simple and cost-effective attachment of at least one light guide to the aperture of the control unit.
- Both the aperture, as well as the control unit and the household appliance can be made faster and cheaper, in particular compared to a Ultraschallversch conductedung a light guide to a panel of a control unit of a household appliance.
- no increased tool costs such as costs for the special trainees sonotrode and the specially trained holding tool, required for the ultrasonic welding machine.
- changeover times and costs incurred when using the ultrasonic welding technique can be avoided.
- the diaphragm according to the invention can the main body of the diaphragm and the spring-elastic locking elements of the diaphragm in a process, in particular a casting process, are produced together.
- a special molded part is required.
- Such formed apertures increase the flexibility of production, since various moldings can be easily and inexpensively produced. Since panels for control units for household appliances or control units for household appliances are mass-produced, a high saving can be achieved even with a very low cost in the production of such panels in total.
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- Push-Button Switches (AREA)
Description
Die vorliegende Erfindung betrifft eine Blende einer Bedieneinheit eines Haushaltsgerätes, aufweisend wenigstens eine Blendenöffnung zur Hindurchführung zumindest eines ersten Teils wenigstens eines Lichtleiters. Ferner betrifft die Erfindung eine Bedieneinheit eines Haushaltsgerätes, mit einer Blende, die wenigstens eine Blendenöffnung zur Hindurchführung zumindest eines ersten Teils eines Lichtleiters aufweist, mit wenigstens einem Lichtleiter zur Durchleitung von Licht und mit einem Bedienmodul zur Halterung wenigstens eines elektrischen und/oder elektronischen Bauteils, wobei ein zweiter Teil des wenigstens einen Lichtleiters zur Einleitung von Licht einer Lichtquelle zwischen der Blende und dem Bedienmodul angeordnet ist, sowie ein Haushaltsgerät mit einer Bedieneinheit.The present invention relates to a panel of a control unit of a household appliance, comprising at least one aperture for the passage of at least a first part of at least one light guide. Furthermore, the invention relates to an operating unit of a household appliance, with a panel having at least one aperture for passing at least a first part of a light guide, with at least one light guide for transmitting light and with a control module for supporting at least one electrical and / or electronic component, wherein a second part of the at least one light guide for introducing light from a light source between the diaphragm and the operating module is arranged, and a household appliance with a control unit.
Bedieneinheiten, insbesondere Elektronik-Bedieneinheiten, finden bei diversen Geräten des Haushalts, der Haustechnik und der Unterhaltungselektronik Verwendung. Derartige Haushaltsgeräte sind beispielsweise Waschmaschinen, Herde, Geschirrspülmaschinen oder Dunstabzugshauben. Die Anforderungen an Bedieneinheiten sind dabei vielfältig. Neben den ästhetischen Anforderungen erfüllen Bedieneinheiten verschiedene technische Funktionen. Zum Einen zeigen Bedieneinheiten hinterlegte Funktionen der jeweiligen Bedientasten optisch an. Zum Anderen ist es erforderlich, dass die Bedieneinheiten wasserdicht, zumindest schwallwasserdicht, ausgebildet sind, so dass das Bedienmoduls der Bedieneinheit, insbesondere die Elektronik des Bedienmoduls, keinen Schaden nimmt, wenn versehentlich Wasser über die Bedieneinheit des Haushaltsgerätes geschüttet wird.Operating units, in particular electronic operating units, are used in various household appliances, home technology and consumer electronics. Such household appliances are, for example, washing machines, cookers, dishwashers or extractor hoods. The requirements for operating units are manifold. In addition to the aesthetic requirements, control units fulfill various technical functions. On the one hand, control units display visually stored functions of the respective control buttons. On the other hand, it is necessary for the operating units to be watertight, at least bubble-water-tight, so that the operating module of the operating unit, in particular the electronics of the operating module, is not damaged if water is inadvertently poured over the operating unit of the household appliance.
Moderne Bedieneinheiten weisen Lichtleiter auf, über die Bedientasten der Bedieneinheit beleuchtet beziehungsweise durchleuchtet werden. Häufig sind die Lichtleiter selbst als Bedientaste beziehungsweise Schaltelement ausgebildet. Bei derartigen Bedieneinheiten ist das Bedienmodul, an dem die elektrischen und/oder elektronischen Bauelemente sitzen, durch eine Blende, auch als Abdeckblende bezeichnet, geschützt. Zwischen dem Bedienmodul und der Blende sind ein oder mehrere Lichtleiter vorgesehen, die zur Beleuchtung der Bedientasten, die durch die Blende geführt sind, dienen.Modern operating units have optical fibers, are illuminated or illuminated by the control buttons of the control unit. Often, the light guides themselves are designed as control buttons or switching elements. In the case of such operating units, the operating module, on which the electrical and / or electronic components are seated, is protected by an aperture, also referred to as a cover panel. Between the Operating module and the aperture are one or more optical fibers provided, which serve to illuminate the control buttons, which are guided through the aperture.
Die Befestigung von Lichtleitern an der Blende einer derartigen Bedieneinheit wird derzeit durch zwei verschiedene Verfahren realisiert.
Zum Einen werden Lichtleiter an die Blende durch Ultraschallschweißungen befestigt. Hierzu wird die Blende in einer Ultraschallschweißmaschine fixiert. Anschließend wird ein erstes Ende eines Lichtleiters an einer Sonotrode der Ultraschallschweißmaschine angeordnet und der Lichtleiter an der Blende verschweißt. Der Prozess wird entsprechend für das zweite Ende des Lichtleiters wiederholt, um eine sichere Befestigung des Lichtleiters an der Blende zu realisieren. Die Verwendung einer Ultraschallschweißmaschine zur Befestigung eines Lichtleiters an einer Blende verursacht jedoch relativ hohe Kosten sowie einen relativ hohen konstruktiven Aufwand, da die Blende in beziehungsweise an der Ultraschallschweißmaschine zu befestigen ist, bevor der Lichtleiter mittels der Sonotrode an der Blende angeschweißt werden kann. Da die Blenden der Bedieneinheiten von Haushaltsgeräten viele unterschiedliche Formen aufweisen, sind insbesondere verschiedene Aufnahmewerkzeuge in der Ultraschallschweißmaschine erforderlich, um die unterschiedlen großen Blenden in der Ultraschallschweißmaschine zu fixieren.The attachment of optical fibers to the diaphragm of such a control unit is currently realized by two different methods.
On the one hand, light guides are attached to the panel by ultrasonic welding. For this purpose, the aperture is fixed in an ultrasonic welding machine. Subsequently, a first end of a light guide is arranged on a sonotrode of the ultrasonic welding machine and the light guide is welded to the panel. The process is repeated for the second end of the light guide in order to realize a secure attachment of the light guide to the diaphragm. However, the use of an ultrasonic welding machine for attaching a light guide to a panel causes relatively high costs and a relatively high design effort, since the panel is to be mounted in or on the ultrasonic welding machine before the light guide can be welded by means of the sonotrode to the panel. Since the panels of the control units of household appliances have many different shapes, in particular different recording tools in the ultrasonic welding machine are required to fix the unterschiedlen large aperture in the ultrasonic welding machine.
Eine weitere Methode, einen Lichtleiter an einer Blende einer Bedieneinheit eines Haushaltsgerätes zu fixieren, ist die Verwendung eines Klebemittels. Nachteilig ist hierbei die schwierige Zentrierung des Lichtleiters an der Blende sowie insbesondere, dass die Klebeverbindung nicht oder nur unter erheblichen Aufwand wieder gelöst werden kann. Insbesondere ist ein Lösen eines verklebten Lichtleiters von einer Blende nicht ohne Beschädigung des Lichtleiters beziehungsweise der Blende möglich.Another method to fix a light guide to a panel of a control unit of a household appliance, is the use of an adhesive. The disadvantage here is the difficult centering of the light guide to the panel and in particular that the adhesive connection can not be solved or only with considerable effort again. In particular, a release of a bonded optical fiber from a diaphragm is not possible without damaging the light guide or the diaphragm.
Das Bedienfeld der
Bei der Blende der
Aufgabe der Erfindung ist es, eine Blende einer Bedieneinheit für ein Haushaltsgerät, eine Bedieneinheit eines Haushaltsgerätes sowie ein Haushaltsgerät zu schaffen, die eine einfache und kostengünstige sichere Fixierung wenigstens eines Lichtleiters an der Blende der Bedieneinheit ermöglichen.The object of the invention is to provide a panel of a control unit for a household appliance, an operating unit of a household appliance and a household appliance, which allow a simple and inexpensive secure fixation of at least one light guide to the aperture of the control unit.
Der Erfindung liegt die Erkenntnis zugrunde, dass diese Aufgaben gelöst werden können, indem der wenigstens eine Lichtleiter einer Bedieneinheit an einer speziell ausgebildeten Blende sicher verrastet wird.The invention is based on the finding that these objects can be achieved by securely locking the at least one light guide of an operating unit to a specially designed aperture.
Das heißt, die Aufgabe wird durch eine Blende einer Bedieneinheit eines Haushaltsgerätes mit den Merkmalen gemäß dem unabhängigen Patentanspruch 1, durch eine Bedieneinheit eines Haushaltsgerätes mit den Merkmalen gemäß Patentanspruch 8 sowie durch ein Haushaltsgerät mit den Merkmalen gemäß Patentanspruch 14 gelöst. Weitere Merkmale und Details der Erfindung ergeben sich aus den Unteransprüchen, der Beschreibung und den Zeichnungen. Dabei gelten Merkmale und Details, die im Zusammenhang mit der erfindungsgemäßen Blende beschrieben sind, selbstverständlich auch im Zusammenhang mit der erfindungsgemäßen Bedieneinheit und dem erfindungsgemäßen Haushaltsgerät, und jeweils umgekehrt, so dass bezüglich der Offenbarung zu den einzelnen Erfindungsaspekten stets wechselseitig Bezug genommen wird beziehungsweise werden kann.That is, the object is achieved by a panel of a control unit of a household appliance with the features according to
Gemäß dem ersten Aspekt der Erfindung wird die Aufgabe durch eine Blende einer Bedieneinheit eines Haushaltsgerätes, insbesondere einer Waschmaschine oder Geschirrspülmaschine, aufweisend wenigstens eine Blendenöffnung zur Hindurchführung zumindest eines Teils wenigstens eines Lichtleiters, wobei die Blende zur Fixierung des wenigstens einen Lichtleiters zumindest ein federelastisch ausgebildetes Rastelement aufweist, gelöst.According to the first aspect of the invention, the object is achieved by a panel of a control unit of a household appliance, in particular a washing machine or dishwasher, comprising at least one aperture for passing at least a portion of at least one light guide, wherein the aperture for fixing the at least one light guide at least one resilient locking element has dissolved.
Eine Blende einer Bedieneinheit eines Haushaltsgerätes, die zur Fixierung eines oder mehrerer Lichtleiter zumindest ein federelastisch ausgebildetes Rastelement aufweist, ermöglicht ein konstruktiv einfaches und kostengünstiges Befestigen des oder der Lichtleiter(s) an der Blende. Gleichzeitig gewährleistet das zumindest eine federelastisch ausgebildete Rastelement, dass der wenigstens eine Lichtleiter fest an der Blende fixiert ist. Durch die Federelastizität des zumindest einen Rastelementes kann der wenigstens eine Lichtleiter an der Blende, insbesondere an der zu einem Bedienmodul der Bedieneinheit gerichteten Innenseite der Blende, festgeklemmt werden. Das heißt, durch die Federelastizität des zumindest einen Rastelementes kann vermieden werden, dass ein Lichtleiter mit Spiel an der Blende fixiert ist.A panel of a control unit of a household appliance, which has at least one resiliently designed locking element for fixing one or more light guides, allows a structurally simple and cost-effective fastening of the light guide or fibers to the panel. At the same time, the at least one spring-elastic locking element ensures that the at least one light guide is firmly fixed to the panel. Due to the spring elasticity of the at least one latching element, the at least one light guide can be clamped to the panel, in particular to the inside of the panel which faces an adjustment module of the control unit. That is, by the resilience of the at least one locking element can be avoided that a light guide is fixed with play on the panel.
Es kann vorgesehen sein, dass die Blende nur ein einziges federelastisch ausgebildetes Rastelement aufweist. Eine derartig ausgebildete Blende ermöglicht insbesondere das sichere Befestigen eines einzigen Lichtleiters. Hierzu kann beispielsweise ein Ende des Lichtleiters hinter einem Vorsprung, hinter einer Hinterschneidung oder in einer Aussparung der Blende angeordnet und das andere Ende des Lichtleiters mittels des federelastisch ausgebildeten Rastelementes fixiert werden. Bevorzugt ist eine Blende, die zwei oder mehr federelastisch ausgebildete Rastelemente aufweist. Dabei sind die Rastelemente an der für einen Benutzer nicht sichtbaren Innenseite der Blende, die dem Bedienmodul der Bedieneinheit zugewandt ist, angeordnet. Mehrere Rastelemente ermöglichen, dass ein Lichtleiter von mehreren Seiten gehalten, insbesondere festgeklemmt, werden kann.It can be provided that the diaphragm has only a single spring-elastic locking element. Such a trained aperture allows in particular the secure fastening of a single light guide. For this purpose, for example, one end of the light guide can be arranged behind a projection, behind an undercut or in a recess of the diaphragm and the other end of the light guide can be fixed by means of the spring-elastic locking element. Preference is given to a panel which has two or more resilient locking elements. In this case, the locking elements on the invisible to a user inside of the panel, which faces the operating module of the control unit, arranged. Several locking elements allow that a light guide from several sides held, in particular clamped, can be.
Ein Lichtleiter im Sinne der Erfindung ist ein Körper, der aus einem transparenten, lichtdurchlässigen Material, vorzugsweise Kunststoff, ausgebildet ist und den Transport von Licht ermöglicht. Vorzugsweise ist der Lichtleiter aus einem festen Material ausgebildet. Es ist aber auch denkbar, dass der Lichtleiter zumindest teilweise als Lichtwellenleiter, als Glasfaser, als polymere optische Faser oder als eine andere lichtleitende flexible Komponente ausgebildet ist. Der wenigstens eine Lichtleiter weist wenigstens einen ersten Teil auf, der durch eine Blendenöffnung in der Blende hindurchgeführt werden kann. Vorteilhafterweise ist der Lichtleiter ein komplex ausgebildeter Körper, der einen Grundkörper und mehrere erste Teile aufweist, die durch eine Vielzahl von Blendenöffnungen in der Blende hindurchgeführt werden können. Daher ist eine Blende vorteilhaft, die zwei oder mehr Blendenöffnungen zur Aufnahme der wenigstens zwei oder mehr ersten Teile eines Lichtleiters oder mehrerer Lichtleiter aufweist. Die wenigstens eine Blendenöffnung der Blende kann dabei verschiedenartig ausgebildet sein. So kann die wenigstens eine Blendenöffnung beispielsweise als rundes, ovales oder eckiges Loch ausgebildet sein, durch die ein komplementär ausgebildetes erstes Teil eines Lichtleiters hindurchgeführt werden kann. Bevorzugt ist die wenigstens eine Blendenöffnung als Durchgangsbohrung in der Blende ausgebildet.A light guide according to the invention is a body which is formed of a transparent, translucent material, preferably plastic, and allows the transport of light. Preferably, the light guide is formed of a solid material. But it is also conceivable that the light guide at least partially as Optical fiber, as a glass fiber, as a polymeric optical fiber or as another light-conducting flexible component is formed. The at least one light guide has at least one first part, which can be passed through an aperture in the aperture. Advantageously, the light guide is a complex formed body having a main body and a plurality of first parts, which can be passed through a plurality of apertures in the aperture. Therefore, a diaphragm is advantageous, which has two or more apertures for receiving the at least two or more first parts of a light guide or a plurality of light guides. The at least one aperture of the aperture can be designed differently. Thus, the at least one aperture can be formed, for example, as a round, oval or square hole, through which a complementary formed first part of a light guide can be passed. Preferably, the at least one aperture is formed as a through hole in the aperture.
Zur Befestigung eines Lichtleiters an der Blende wird das zumindest eine federelastisch ausgebildete Rastelement federelastisch verspannt, insbesondere zurückgebogen, so dass ein Lichtleiter formschlüssig an die Blende beziehungsweise an das zumindest eine federelastisch ausgebildete Rastelement angelegt werden kann. Nach dem formschlüssigen Anlegen des Lichtleiters schnappt das zumindest eine federelastisch ausgebildete Rastelement in Richtung seiner Ausgangslage zurück, so dass dieses den Lichtleiter form- und kraftschlüssig an der Blende, insbesondere an der Innenseite der Blende, fixiert.To attach a light guide to the panel, the at least one resilient locking element is resiliently braced, in particular bent back, so that a light guide can be positively applied to the panel or to the at least one resilient locking element. After the form-fitting application of the optical waveguide, the at least one spring-elastic locking element snaps back in the direction of its starting position so that it fixes the optical waveguide positively and non-positively to the diaphragm, in particular on the inside of the diaphragm.
Das zumindest eine federelastisch ausgebildete Rastelement ist insbesondere als ein aus der Blende herausragendes Teil, insbesondere als ein aus der Blende herausragendes längliches Profil, ausgebildet.The at least one resilient locking element is designed in particular as a protruding from the panel part, in particular as an outstanding from the aperture elongated profile.
Erfindungsgemäß ist bei der Blende vorgesehen, dass das zumindest eine federelastisch ausgebildete Rastelement einen Rastvorsprung zum Hintergreifen des wenigstens einen Lichtleiters aufweist. Der Rastvorsprung an dem Rastelement ist vorzugsweise an dem freien Ende des Rastelementes angeordnet. Vorzugsweise ist der Rastvorsprung monolithisch mit dem Rastelement ausgebildet. Ein Rastelement mit einem Rastvorsprung weist insbesondere eine hakenförmige Gestalt auf. Der Rastvorsprung stellt eine ArtAccording to the invention, it is provided in the case of the diaphragm that the at least one resiliently designed detent element has a detent projection for engaging behind the at least one optical waveguide. The latching projection on the latching element is preferably arranged at the free end of the latching element. Preferably, the latching projection is formed monolithically with the latching element. A latching element with a latching projection has in particular a hook-shaped form. The locking projection represents a kind
Auswölbung oder Verdickung an dem Rastelement dar, so dass nach der Anordnung eines Lichtleiters an der Blende der Rastvorsprung des Rastelementes die der Blende abgewandte Seite des Lichtleiters zumindest teilweise hintergreifen kann. Erfindungsgemäß weist der Rastvorsprung eine geneigt zur Längsachse des Rastelementes verlaufende Schräge beziehungsweise Anlagefläche auf, die zur Anlage an den Lichtleiter dient. Eine derartig ausgebildete Blende, die ein oder mehrere Rastelement(e) mit Rastvorsprüngen aufweist, ermöglicht ein besonders einfaches und sicheres Halten zumindest eines Lichtleiters an der Blende.Buckling or thickening of the locking element, so that after the arrangement of a light guide to the diaphragm of the locking projection of the locking element, the side facing away from the diaphragm of the light guide can at least partially engage behind. According to the invention, the latching projection has a bevel inclined to the longitudinal axis of the latching element or contact surface, which serves to bear against the light guide. Such a trained aperture having one or more locking element (e) with locking projections, allows a particularly simple and secure holding at least one light guide to the panel.
Vorteilhaft bei den zuvor beschriebenen Blenden ist, dass der Lichtleiter sehr einfach an der Blende verrastet, insbesondere eingeclipst, werden kann. Dies ist insbesondere ohne großen konstruktiven Aufwand möglich. Durch die Federelastizität des zumindest einen federelastisch ausgebildeten Rastelementes der Blende ist ferner gewährleistet, dass ein Lichtleiter leicht wieder von der Blende entfernt werden kann. Dies ist insbesondere dann von Vorteil, wenn entweder der Lichtleiter oder die Blende aufgrund einer Beschädigung auszutauschen sind.An advantage of the apertures described above is that the light guide can be easily locked to the panel, in particular clipped, can be. This is possible in particular without great design effort. Due to the spring elasticity of the at least one resiliently formed locking element of the diaphragm is further ensured that a light guide can be easily removed again from the panel. This is particularly advantageous if either the optical fiber or the aperture are to be replaced due to damage.
Besonders vorteilhaft ist eine Blende, bei der zur Fixierung eines Lichtleiters zwei oder mehr federelastisch ausgebildete Rastelemente vorgesehen sind. Hierdurch ist ein besonders sicheres Halten des Lichtleiters an der Blende, insbesondere an der zu dem Bedienmodul einer Bedieneinheit zugewandten Innenseite der Blende, gewährleistet. Die federelastisch ausgebildeten Rastelemente sind vorzugsweise versetzt zueinander an der Blende angeordnet. Die Rastvorsprünge an jedem federelastisch ausgebildeten Rastelement sind vorzugsweise derart ausgerichtet, dass bei einer Fixierung eines Lichtleiters an den Rastelementen der Lichtleiter von sämtlichen Rastvorsprüngen der federelastisch ausgebildeten Rastelemente hintergriffen wird.Particularly advantageous is a diaphragm in which two or more spring-elastic locking elements are provided for fixing a light guide. This is a particularly secure holding the light guide to the panel, in particular on the side facing the operating module of a control unit inside the panel ensures. The spring-elastic locking elements are preferably arranged offset to one another at the diaphragm. The latching projections on each spring-elastic locking element are preferably aligned such that when fixing a light guide to the latching elements of the light guide is engaged behind by all latching projections of the spring-elastic locking elements.
Gemäß einer weiteren bevorzugten Weiterentwicklung der Erfindung kann bei der Blende vorgesehen sein, dass das zumindest eine federelastisch ausgebildete Rastelement senkrecht oder geneigt zur Längsachse der Blende aus dieser hervorsteht. Die Blende ist in der Regel eben oder leicht gewölbt ausgebildet. Bei einer eben, das heißt gradlinig, ausgebildeten Blende, insbesondere eben ausgebildeten Innenseite der Blende, ist es vorteilhaft, wenn die federelastisch ausgebildeten Rastelemente in einem Winkel zwischen 70° und 90°, insbesondere in einem Winkel zwischen 80° und 85°, geneigt zu der Blende beziehungsweise zu der Innenseite der Blende angeordnet sind. Dabei sind vorzugsweise mehrere Rastelemente derart angeordnet, dass sie zueinander geneigt angeordnet sind. Ist die Innenseite der Blende nach innen gewölbt ausgebildet, können die federelastisch ausgebildeten Rastelemente tangential zu der Blende angeordnet sein. Durch die Wölbung sind die Rastelemente geneigt zueinander ausgebildet, so dass eine sehr sichere Befestigung zumindest eines Lichtleiters ermöglicht werden kann.According to a further preferred development of the invention, it can be provided in the diaphragm that the at least one resilient locking element protrudes perpendicular or inclined to the longitudinal axis of the diaphragm from this. The aperture is usually flat or slightly curved. In a plane, that is straight, trained aperture, in particular just trained inside of the panel, it is advantageous if the resiliently formed locking elements at an angle between 70 ° and 90 °, in particular at an angle between 80 ° and 85 °, inclined to the diaphragm or to the inside of the diaphragm are arranged. In this case, a plurality of latching elements are preferably arranged such that they are arranged inclined to each other. If the inside of the panel is curved inward, the spring-elastic locking elements can be arranged tangentially to the panel. Due to the curvature of the locking elements are inclined to each other, so that a very secure attachment of at least one light guide can be made possible.
Gemäß einer besonders bevorzugten Weiterentwicklung der Erfindung kann bei der Blende vorgesehen sein, dass das zumindest eine federelastisch ausgebildete Rastelement monolithisch mit der Blende ausgebildet ist. Dies bedeutet, dass die Blende zusammen mit dem zumindest einen federelastisch ausgebildeten Rastelement in einem gemeinsamen Herstellungsgang hergestellt ist. Insbesondere kann eine derartig ausgebildete Blende durch ein Gussverfahren, insbesondere ein Spritzgussverfahren, einfach und kostengünstig hergestellt werden. Eine derartig ausgebildete Blende kann aus einem metallischen Material hergestellt sein. Insbesondere ist ein Leichtmetall, wie beispielsweise eine Aluminiumlegierung, denkbar. Bevorzugt ist jedoch die Blende aus Kunststoff ausgebildet. Eine aus Kunststoff ausgebildete Blende kann besonders einfach und kostengünstig durch ein Gussverfahren, insbesondere Spritzgussverfahren hergestellt werden. Gleichzeitig ist eine hohe Festigkeit der Blende sowie der an der Blende angeordneten Rastelemente gewährleistet.According to a particularly preferred further development of the invention, it may be provided in the diaphragm that the at least one resiliently formed detent element is formed monolithically with the diaphragm. This means that the panel is made together with the at least one resilient locking element in a common manufacturing process. In particular, such a diaphragm formed by a casting process, in particular an injection molding process, can be produced easily and inexpensively. Such a trained aperture can be made of a metallic material. In particular, a light metal, such as an aluminum alloy, conceivable. Preferably, however, the diaphragm is made of plastic. A plastic formed aperture can be particularly simple and inexpensive by a casting process, in particular injection molding getting produced. At the same time a high strength of the diaphragm and arranged on the panel locking elements is ensured.
Bevorzugt ist ferner eine Blende, die dadurch gekennzeichnet ist, dass das zumindest eine federelastisch ausgebildete Rastelement eine zur Längsachse der Blendenöffnung geneigte Kontaktfläche zur Anlage einer Stützfläche eines Bedienmoduls aufweist. Durch eine derart spezielle Ausgestaltung des zumindest einen federelastisch ausgebildeten Rastelementes der Blende, kann das zumindest eine federelastisch ausgebildete Rastelement durch das Bedienmodul zusätzlich gesichert werden, so dass nach der Befestigung des Bedienmoduls an der Blende die Rastelemente der Blende unbeweglich zwischen dem zumindest einen Lichtleiter und dem Bedienmodul anliegen. Die geneigte Kontaktfläche eines Rastelementes dient dabei zur Anlage einer Stützfläche des Bedienmoduls. Vorzugsweise wird ein Rastelement nach Anlage der Stützfläche des Bedienmoduls an die Kontaktfläche des Rastelementes gegen den Lichtleiter gedrückt. Hierdurch ist der Lichtleiter nach Befestigung des Bedienmoduls an der Blende besonders sicher an der Blende beziehungsweise zwischen der Blende und dem Bedienmodul gehalten. Die geneigte Kontaktfläche eines Rastelementes ermöglicht ein leichtes Anpressen des Bedienmoduls an das Rastelement, so dass dieses ein zusätzliches Klemmmoment auf den Lichtleiter ausüben kann. Die geneigte Kontaktfläche des Rastelementes ist vorzugsweise parallel oder annähernd parallel zu der ebenfalls geneigt ausgebildeten Anlagefläche des Rastvorsprunges des Rastelementes, an der zur geneigten Anlagefläche des Rastvorsprunges abgewandten Seite des Rastvorsprunges beziehungsweise des Rastelementes angeordnet. Vorteilhafterweise sind die geneigt ausgebildeten Kontaktflächen mehrerer Rastelemente derart zueinander angeordnet, dass die Ebenen, in denen die geneigten Kontaktflächen verlaufen, sich in einem Punkt schneiden.Also preferred is a diaphragm, which is characterized in that the at least one resilient locking element has an inclined to the longitudinal axis of the aperture contact surface for abutment of a support surface of an operating module. By such a special configuration of the at least one resiliently formed locking element of the panel, the at least one resilient locking element can be additionally secured by the operating module, so that after attachment of the control module to the panel, the locking elements of the diaphragm immovable between the at least one light guide and the Operating module abut. The inclined contact surface of a locking element serves to bear a support surface of the operating module. Preferably, a locking element is pressed after contact of the support surface of the control module to the contact surface of the locking element against the light guide. As a result, the light guide is held particularly secure to the diaphragm or between the diaphragm and the control module after attachment of the control module to the panel. The inclined contact surface of a locking element allows a slight pressing of the control module to the locking element, so that this can exert an additional clamping torque on the light guide. The inclined contact surface of the latching element is preferably arranged parallel or approximately parallel to the likewise inclined contact surface of the latching projection of the latching element, on the side facing away from the inclined contact surface of the latching projection side of the latching projection or of the latching element. Advantageously, the inclined contact surfaces of a plurality of latching elements are arranged relative to one another such that the planes in which the inclined contact surfaces extend intersect at one point.
Das zumindest eine federelastisch ausgebildete Rastelement ist vorteilhafterweise zum Hintergreifen eines als Schalter ausgebildeten Lichtleiters ausgebildet. So kann der Lichtleiter nicht nur die Funktion einer Beleuchtung, sondern auch die Funktion eines Schalters, insbesondere eines Druckschalters, ausüben. Das zumindest eine federelastisch ausgebildete Rastelement der Blende hintergreift und fixiert dadurch den als Schalter ausgebildeten Lichtleiter derart, dass dieser sicher vor einem Betätigungselement des Bedienmoduls der Bedieneinheit angeordnet werden kann.The at least one resilient locking element is advantageously designed for engaging behind a trained as a switch light guide. Thus, the light guide not only the function of lighting, but also the function of a switch, in particular a pressure switch exert. The at least one resiliently formed locking element of the diaphragm engages behind and thereby fixes the light guide designed as a switch such that it can be securely arranged in front of an actuating element of the operating module of the control unit.
Gemäß einer weiteren bevorzugten Weiterentwicklung der Erfindung kann bei der Blende vorgesehen sein, dass an der wenigstens einen Blendenöffnung und/oder an der zum wenigstens einen Lichtleiter zugewandten Seite der Blende ein oder mehrere Dichtelemente vorgesehen sind. Durch das zumindest eine Dichtelement ist gewährleistet, dass kein Wasser, insbesondere Schwallwasser, durch die wenigstens eine Blendenöffnung der Blende zu dem Bedienmodul der Bedieneinrichtung fließen kann. Der wenigstens eine Lichtleiter ist dabei derart abgedichtet an der Blende fixiert, dass ein Durchfließen von Wasser unterbunden werden kann. Vorzugsweise ist zumindest in jeder Blendenöffnung der Blende ein Dichtelement vorgesehen, so dass Wasser gar nicht erst zu der Innenseite der Blende gelangen kann. Das wenigstens eine Dichtelement ist vorzugsweise aus Kunststoff oder Gummi ausgebildet.According to a further preferred development of the invention, it can be provided in the diaphragm that one or more sealing elements are provided on the at least one diaphragm aperture and / or on the side of the diaphragm facing the at least one optical fiber. The at least one sealing element ensures that no water, in particular splash water, can flow through the at least one diaphragm opening of the diaphragm to the operating module of the operating device. The at least one light guide is fixed in such a sealed manner to the panel that a flow of water can be prevented. Preferably, a sealing element is provided at least in each aperture of the aperture, so that water can not reach the inside of the panel at all. The at least one sealing element is preferably made of plastic or rubber.
Gemäß eines zweiten Aspektes der Erfindung wird die Aufgabe durch eine Bedieneinheit eines Haushaltsgerätes, mit einer Blende, die wenigstens eine Blendenöffnung zur Hindurchführung zumindest eines ersten Teils eines Lichtleiters aufweist, mit wenigstens einem Lichtleiter zur Durchleitung von Licht und mit einem Bedienmodul zur Halterung wenigstens eines elektrischen und/oder elektronischen Bauteils, wobei ein zweiter Teil des wenigstens einen Lichtleiters zur Einleitung von Licht einer Lichtquelle zwischen der Blende und dem Bedienmodul angeordnet ist, und wobei die Blende gemäß zumindest einer vorteilhaften Ausführungsvariante des ersten Aspektes der Erfindung ausgebildet ist, gelöst. Ein Haushaltsgerät kann beispielsweise eine Waschmaschine, eine Geschirrspülmaschine, ein Backofen, ein Herd oder eine Dunstabzugshaube sein. Eine Bedieneinheit eines Haushaltsgerätes, bei der die Blende zur Fixierung wenigstens eines Lichtleiters zumindest ein federelastisch ausgebildetes Rastelement aufweist, ermöglicht eine besonders einfache und kostengünstige Fixierung zumindest eines Lichtleiters an der Blende, insbesondere an der zu dem Bedienmodul der Bedieneinheit zugewandten Innenseite der Blende. Die Bedieneinheit des Haushaltsgerätes zeichnet sich dadurch aus, dass zwischen der Blende und dem Bedienmodul ein oder mehrere Lichtleiter fixiert werden. Dabei werden der eine oder die mehreren Lichtleiter durch die an der Blende vorgesehenen federelastisch ausgebildeten Rastelemente an der Blende gehalten, insbesondere vorfixiert, so dass der wenigstens eine Lichtleiter auch im nicht zusammengebauten Zustand der Bedieneinheit sicher an der Blende der Bedieneinheit fixiert bleibt. Dies ist insbesondere bei einem Transport oder bei Lagerzwecken vorteilhaft.According to a second aspect of the invention, the object is achieved by an operating unit of a household appliance, with a panel having at least one aperture for passing at least a first part of a light guide, with at least one light guide for transmitting light and with an operating module for holding at least one electrical and / or electronic component, wherein a second part of the at least one light guide for introducing light of a light source between the diaphragm and the operating module is arranged, and wherein the diaphragm is formed according to at least one advantageous embodiment of the first aspect of the invention, solved. A household appliance may be, for example, a washing machine, a dishwasher, an oven, a stove or an extractor hood. An operating unit of a household appliance, in which the aperture for fixing at least one light guide has at least one resiliently formed locking element, allows a particularly simple and cost-effective fixation of at least one light guide to the panel, in particular on the facing to the operating module of the control unit inside the panel. The operating unit of the household appliance is characterized in that one or more light guides are fixed between the panel and the operating module. In this case, the one or more light guides are held by the provided on the diaphragm resiliently shaped locking elements on the panel, in particular prefixed, so that the at least one light guide remains securely fixed even in the unassembled state of the control unit to the aperture of the control unit. This is particularly advantageous for transport or storage purposes.
Die Blende der Bedieneinheit weist wenigstens eine Blendenöffnung, vorzugsweise zwei oder mehr Blendenöffnungen, zur Hindurchführung zumindest eines ersten Teils eines Lichtleiters auf. Vorzugsweise weist ein Lichtleiter einen Grundkörper mit mehreren ersten Teilen auf, die jeweils durch eine entsprechende Blendenöffnung in der Blende hindurchgeführt sind und neben der Beleuchtungsfunktion zusätzlich eine Schaltfunktionalität aufweisen beziehungsweise erfüllen. Das heißt, dadurch, dass der Lichtleiter vorzugsweise aus einem festen transparenten Material ausgebildet ist, kann der Lichtleiter, insbesondere der zumindest erste Teil des Lichtleiters, als Schalter zur Betätigung eines Betätigungselementes, insbesondere eines elektrischen oder elektronischen Bauteils, des Bedienmoduls der Bedieneinheit dienen.The aperture of the operating unit has at least one aperture, preferably two or more apertures, for the passage of at least a first part of a light guide. Preferably, a light guide has a main body with a plurality of first parts, which are each guided through a corresponding aperture in the aperture and additionally have or fulfill a switching functionality in addition to the illumination function. That is, the fact that the light guide is preferably formed of a solid transparent material, the light guide, in particular the at least first part of the light guide, serve as a switch for actuating an actuating element, in particular an electrical or electronic component, the operating module of the operating unit.
Der Lichtleiter der Bedieneinheit kann einen ebenen beziehungsweise annähernd ebenen, beispielsweise leicht gewölbten, Grundkörper aufweisen, an dem ein oder mehrere monolithisch zu dem Grundkörper ausgebildete, erste Teile hervorstehen. Das zumindest eine hervorstehende erste Teil ist insbesondere senkrecht beziehungsweise annähernd senkrecht zu der Längsausrichtung des Grundkörpers des Lichtleiters angeordnet, so dass der zumindest eine erste Teil des Lichtleiters bei Anlage des Grundkörpers des Lichtleiters an die Blende durch die zumindest eine Blendenöffnung des Lichtleiters hindurchgeführt werden kann. Vorzugsweise ist zu jedem ersten Teil eines Lichtleiters ein fluchtend angeordnetes zweites Teil an dem Lichtleiter angeordnet, insbesondere an der dem jeweiligen ersten Teil gegenüberliegenden Seite des Grundkörpers des Lichtleiters angeordnet, so dass ein jedes erstes Teil in Zusammenspiel mit dem jeweilig fluchtend angeordneten zweiten Teil als Schalter beziehungsweise Bedientaste dienen kann.The light guide of the control unit may have a planar or approximately planar, for example, slightly curved, base body, on which protrude one or more monolithically formed to the base body, the first parts. The at least one protruding first part is arranged in particular perpendicularly or approximately perpendicular to the longitudinal alignment of the base body of the light guide, so that the at least one first part of the light guide can be guided through the at least one aperture opening of the light guide when the main body of the light guide rests against the aperture. Preferably, for each first part of a light guide, an aligned second part is arranged on the light guide, in particular arranged on the side opposite the respective first part of the main body of the light guide, so that each first part in interaction with the respectively aligned second part as a switch or serve control button.
Der zumindest eine Lichtleiter beziehungsweise der Grundkörper des Lichtleiters der Bedieneinheit kann eine umlaufende Kante aufweisen, die als Anlage für die federelastisch ausgebildeten Rastelemente der Blende dient. Bevorzugt ist jedoch eine Bedieneinheit, bei der der wenigstens eine Lichtleiter mindestens ein Anlageelement zur Anlage an das zumindest eine federelastisch ausgebildete Rastelement der Blende aufweist, wobei das Anlageelement Teil des Lichtleiters ist. Das heißt, ein Lichtleiter kann speziell ausgebildete Anlageelemente aufweisen, über die der Lichtleiter an der Blende festgeklemmt werden kann. Diese Anlageelemente können beispielsweise abgewinkelte Vorsprünge an den freien Enden des Lichtleiters sein, die zur formschlüssigen Anlage an die federelastisch ausgebildeten Rastelemente der Blende ausgebildet sind. Dabei sind die Anlageelemente des Lichtleiters vorzugsweise derart an dem Lichtleiter angeordnet, dass bei Anlage des Lichtleiters an die Blende, die Anlageelemente an der zur Blende abgewandten Seite des Lichtleiters aus diesem hervorragen. Dabei können die Anlageelemente senkrecht oder geneigt zu der an der Blende anliegenden Seite des Lichtleiters an dem Lichtleiter angeordnet sein. Vorzugsweise weisen die Anlageelemente, die insbesondere ein längliches Profil aufweisen, eine derartige Länge auf, dass die freien Enden der Anlageelemente an den entsprechenden Rastvorsprüngen der federelastisch ausgebildeten Rastelemente anliegen.The at least one light guide or the main body of the light guide of the control unit may have a peripheral edge which serves as a contact for the resiliently formed locking elements of the diaphragm. However, an operating unit is preferred in which the at least one optical waveguide has at least one abutment element for abutment with the at least one resiliently formed detent element of the diaphragm, wherein the abutment element is part of the optical waveguide. That is, a light guide may have specially trained contact elements, via which the light guide can be clamped to the panel. These contact elements may for example be angled projections at the free ends of the light guide, which are designed for positive engagement with the resilient locking elements of the diaphragm. There are the contact elements of the optical waveguide are preferably arranged on the optical waveguide in such a way that upon contact of the optical waveguide with the diaphragm, the contact elements on the side of the optical waveguide facing away from the latter protrude from the latter. In this case, the contact elements can be arranged perpendicular or inclined to the voltage applied to the diaphragm side of the light guide to the light guide. Preferably, the abutment elements, which in particular have an elongated profile, have a length such that the free ends of the abutment elements bear against the corresponding latching projections of the resiliently formed latching elements.
Die Blende der Bedieneinheit wird an dem Bedienmodul der Bedieneinheit fixiert. Hierbei wird der zumindest eine Lichtleiter zwischen dem Bedienmodul und der Blende angeordnet, insbesondere festgeklemmt. Gemäß einer besonders bevorzugten Weiterentwicklung der Erfindung kann bei der Bedieneinheit vorgesehen sein, dass das Bedienmodul wenigstens eine zur Längsachse der Blendenöffnung der Blende geneigte Stützfläche zur Anlage an eine Kontaktfläche des zumindest einen federelastisch ausgebildeten Rastelementes aufweist. Ein derartig ausgebildetes Bedienmodul ermöglicht, dass bei der Befestigung des Bedienmoduls an der Blende der Bedieneinheit die wenigstens eine geneigte Stützfläche des Bedienmoduls sich an die zumindest eine geneigt ausgebildete Kontaktfläche des zumindest einen federelastisch ausgebildeten Rastelementes anlegt und dieses dadurch in Richtung des Lichtleiters drückt. Durch Anlage der Stützfläche des Bedienmoduls an die Kontaktfläche eines Rastelementes ist die Bewegungsfreiheit des Rastelementes begrenzt, insbesondere gänzlich verhindert. Hierdurch ist nach der Befestigung des Bedienmoduls an der Blende gewährleistet, dass ein Rastvorsprung eines federelastisch ausgebildeten Rastelementes der Blende den Lichtleiter sicher und dauerhaft hintergreift, so dass dieser unbeweglich an der Blende fixiert ist. Die wenigstens eine geneigt ausgebildete Stützfläche des Bedienmoduls stützt das wenigstens eine federelastisch ausgebildete Rastelement zusätzlich ab, so dass dieses nicht verspannt beziehungsweise zurückgebogen und der Lichtleiter nicht aus seiner Befestigung an der Blende gelöst werden kann. Die wenigstens eine geneigte Stützfläche des Bedienmoduls ist dabei derart geneigt an dem Bedienmodul angeordnet beziehungsweise ausgebildet, dass bei einer Befestigung des Bedienmoduls an der Blende die Neigung der Stützflächen den Neigungen der Kontaktflächen der jeweiligen federelastisch ausgebildeten Rastelemente entsprechen.The aperture of the operating unit is fixed to the operating module of the operating unit. Here, the at least one light guide between the operating module and the diaphragm is arranged, in particular clamped. According to a particularly preferred further development of the invention, it may be provided in the operating unit that the operating module has at least one support surface, inclined to the longitudinal axis of the diaphragm aperture of the diaphragm, for engagement with a contact surface of the at least one resiliently formed latching element. Such a trained operating module allows that when attaching the control module to the panel of the control unit, the at least one inclined support surface of the control module to the at least one inclined contact surface of the at least one resiliently formed detent element applies and this presses in the direction of the light guide. By conditioning the support surface of the control module to the contact surface of a locking element, the freedom of movement of the locking element is limited, in particular completely prevented. As a result, after the attachment of the operating module to the panel, it is ensured that a latching projection of a resiliently formed latching element of the panel securely and permanently engages behind the light guide, so that it is immovably fixed to the panel. The at least one inclined support surface of the control module supports the at least one resiliently formed locking element in addition, so that this is not distorted or bent back and the light guide can not be released from its attachment to the panel. The at least one inclined support surface of the operating module is so inclined arranged on the operating module or formed that correspond to the inclinations of the contact surfaces of the respective resiliently formed locking elements in a mounting of the operating module to the panel, the inclination of the support surfaces.
Der wenigstens eine Lichtleiter der Bedieneinheit ist vorzugsweise als ein Schalter zur Betätigung einer Funktionalität des Bedienmoduls ausgebildet. Das heißt, der wenigstens eine Lichtleiter weist neben seiner Beleuchtungsfunktionalität die Funktion eines Schalters beziehungsweise einer Bedientaste zur Betätigung einer Funktionalität des Bedienmoduls auf.
Daher ist gemäß einer besonders bevorzugten Weiterentwicklung der Erfindung bei der Bedieneinheit vorgesehen, dass der zweite Teil des wenigstens einen Lichtleiters in Kontakt zu dem Bedienmodul oder zumindest in Kontakt zu Funktionseinheiten beziehungsweise Betätigungselementen des Bedienmoduls steht. Der zweite Teil des wenigstens einen Lichtleiters ist der Teil des Lichtleiters, der zwischen der Innenseite der Blende und dem Bedienmodul eingeklemmt wird. Weist der Lichtleiter einen Grundkörper auf, ist der zweite Teil des Lichtleiters der Teil des Lichtleiters, der fluchtend zu dem ersten Teil des Lichtleiters an dem Grundkörper angeordnet ist und der in Kontakt zu einem elektrischen oder elektronischen Betätigungselemente des Bedienmoduls steht. Der wenigstens eine erste Teil des Lichtleiters ist durch die wenigstens eine Blendenöffnung der Blende zur Betätigung durch einen Benutzer hindurchgeführt. Dadurch, dass zwischen dem Bedienmodul und dem Lichtleiter keine Lücke beziehungsweise kein Spalt vorgesehen ist, kann der Lichtleiter, der vorzugsweise aus einem festen transparenten Material ausgebildet ist, als Schalter beziehungsweise Bedientaste zur Betätigung einer Funktionalität des Bedienmoduls dienen.The at least one light guide of the operating unit is preferably designed as a switch for actuating a functionality of the operating module. That is, the at least one light guide has, in addition to its illumination functionality, the function of a switch or an operating button for actuating a functionality of the operating module.
Therefore, according to a particularly preferred further development of the invention, it is provided in the operating unit that the second part of the at least one light guide is in contact with the operating module or at least in contact with functional units or actuating elements of the operating module. The second part of the at least one light guide is the part of the light guide which is clamped between the inside of the panel and the operating module. If the optical waveguide has a main body, the second part of the optical waveguide is the part of the optical waveguide which is arranged in alignment with the first part of the optical waveguide on the main body and which is in contact with an electrical or electronic actuating element of the operating module. The at least one first part of the light guide is passed through the at least one aperture of the aperture for actuation by a user. Characterized in that no gap or no gap is provided between the operating module and the light guide, the light guide, which is preferably formed of a solid transparent material, serve as a switch or control button for actuating a functionality of the control module.
Gemäß eines dritten Aspektes der Erfindung wird die Aufgabe durch ein Haushaltsgerät mit einer Bedieneinheit, die gemäß dem zweiten Aspekt der Erfindung ausgebildet ist, gelöst. Das Haushaltsgerät kann beispielsweise eine Waschmaschine, eine Geschirrspülmaschine, ein Backofen, ein Herd, eine Dunstabzugshaube, usw.... oder ein sonstiges Haushaltsgerät zum Kochen, Waschen, Trocknen, Spülen, usw... sein. Ein Haushaltsgerät, bei dem die Bedieneinheit eine Blende mit wenigstens einer Blendenöffnung zur Hindurchführung zumindest eines ersten Teils eines Lichtleiters und wenigstens ein federelastisch ausgebildetes Rastelement zur Fixierung wenigstens eines Lichtleiters, wenigstens einen Lichtleiter zur Durchleitung von Licht und wenigstens ein Bedienmodul mit elektrischen und/oder elektronischen Bauteilen aufweist, ermöglicht eine besonders einfache und kostengünstige und gleichzeitig sehr sichere Fixierung zumindest eines Lichtleiters an der Blende der Bedieneinheit. Derartige Haushaltsgeräte können aufgrund der Einfachheit der Befestigung des zumindest einen Lichtleiters der Bedieneinheit an der Blende der Bedieneinheit kostengünstig und schneller hergestellt werden. Durch die sichere Fixierung des wenigstens einen Lichtleiters an der Blende der Bedieneinheit des Haushaltsgerätes ist gewährleistet, dass auch bei einem Transport des Haushaltsgerätes der Lichtleiter nicht verloren geht und die Funktionalität der Bedieneinheit uneingeschränkt aufrechterhalten bleibt. Selbst bei Stößen auf das Haushaltsgerät, insbesondere auf die Außenseite der Blende der Bedieneinheit, ist sichergestellt, dass der zumindest eine Lichtleiter unverändert an der Blende beziehungsweise zwischen der Blende und dem Bedienmodul der Bedieneinheit fixiert bleibt.According to a third aspect of the invention, the object is achieved by a household appliance with a control unit, which is formed according to the second aspect of the invention. The household appliance may be, for example, a washing machine, a dishwasher, an oven, a cooker, an extractor fan, etc .... or other household appliance for cooking, washing, drying, rinsing, etc .. A household appliance, wherein the control unit has a panel with at least one aperture for passing at least a first part of a light guide and at least one resiliently formed locking element for fixing at least one light guide, at least one light guide for transmitting light and at least one control module with electrical and / or electronic Having components allows a particularly simple and inexpensive and at the same time very secure fixation of at least one light guide to the aperture of the control unit. Such household appliances can due to the simplicity of attachment of the at least one light guide of Operating unit can be produced at the aperture of the control unit cost and faster. The secure fixing of the at least one light guide to the panel of the control unit of the household appliance ensures that even with a transport of the household appliance, the light guide is not lost and the functionality of the control unit is maintained unrestricted. Even with bumps on the household appliance, in particular on the outside of the aperture of the control unit, it is ensured that the at least one light guide remains fixed unchanged at the diaphragm or between the diaphragm and the operating module of the control unit.
Sonstige vorteilhafte Weiterbildungen und/oder Ausführungsvarianten der Erfindung sind in den Unteransprüchen wiedergegeben.Other advantageous developments and / or variants of the invention are given in the dependent claims.
Die vorstehend erläuterten und/oder in den Unteransprüchen wiedergegebenen vorteilhaften Aus- und Weiterbildungen der Erfindung können dabei einzeln oder aber auch in beliebiger Kombination miteinander bei der erfindungsgemäßen Blende, bei der erfindungsgemäßen Bedieneinheit und/oder dem erfindungsgemäßen Haushaltsgerät zur Anwendung kommen.The above-described and / or reproduced in the subclaims advantageous embodiments and refinements of the invention can be used individually or else in any combination with each other in the diaphragm according to the invention, in the control unit according to the invention and / or the household appliance according to the invention for use.
Die Erfindung und ihre Weiterbildungen sowie deren Vorteile werden nachfolgend anhand von Zeichnungen näher erläutert.The invention and its developments and advantages thereof are explained in more detail with reference to drawings.
Es zeigen jeweils schematisch:
Figur 1- eine perspektivische Ansicht auf ein Haushaltsgerät in Form einer Waschmaschine, die eine Bedieneinheit aufweist, die gemäß dem erfindungsgemäßen Konstruktionsprinzip ausgebildet ist,
Figur 2- die Frontansicht einer Blende einer Bedieneinheit eines Haushaltsgerätes, wobei die Blende gemäß dem erfindungsgemäßen Konstruktionsprinzip ausgebildet ist,
Figur 3- eine perspektivische Ansicht einer möglichen Ausführungsvariante eines Lichtleiters einer Bedieneinheit für ein Haushaltsgerät,
- Figur 4
- eine perspektivische Ansicht einer möglichen Ausführungsvariante eines Bedienmodul einer Bedieneinheit für ein Haushaltsgerät,
Figur 5- eine Schnittdarstellung durch ein federelastisch ausgebildetes Rastelement einer Blende, die gemäß dem erfindungsgemäßen Konstruktionsprinzip ausgebildet ist,
Figur 6- eine Ausschnittsdarstellung auf eine Befestigung eines Lichtleiters an einer Blende einer Bedieneinheit, die gemäß dem erfindungsgemäßen Konstruktionsprinzip ausgebildet ist,
- Figur 7
- eine weitere Ausschnittsdarstellung einer Befestigung eines Lichtleiters zwischen einer Blende und einem Bedienmodul einer erfindungsgemäß ausgebildeten Bedieneinheit für ein Haushaltsgerät.
- FIG. 1
- a perspective view of a household appliance in the form of a washing machine, which has an operating unit, which is designed according to the construction principle according to the invention,
- FIG. 2
- the front view of a panel of a control unit of a household appliance, wherein the panel is designed according to the construction principle according to the invention,
- FIG. 3
- a perspective view of a possible embodiment of a light guide of a control unit for a household appliance,
- FIG. 4
- a perspective view of a possible embodiment of an operating module of a control unit for a household appliance,
- FIG. 5
- a sectional view through a resiliently formed locking element of a diaphragm, which is designed according to the construction principle according to the invention,
- FIG. 6
- 2 shows a detail of an attachment of a light guide to an aperture of a control unit, which is designed in accordance with the design principle according to the invention,
- FIG. 7
- a further sectional view of an attachment of a light guide between a diaphragm and an operating module of an inventive control unit for a household appliance.
Elemente mit gleicher Funktion und Wirkungsweise sind in den
In den
Das heißt,
In der
In den
Vorzugsweise sind mehrere Stützflächen 21 an dem Bedienmodul 20 derart vorgesehen, dass diese Stützflächen 21 den entsprechenden Rastelementen 3 beziehungsweise Kontaktflächen 5 der Rastelemente 3 zugeordnet sind. In den
Derartige ausgebildete Blenden von Bedieneinheiten für Haushaltgeräte, wie Waschmaschinen oder Geschirrspülmaschinen, etc., beziehungsweise derartige ausgebildete Bedieneinheiten für Haushaltgeräte sowie Haushaltgeräte ermöglichen eine konstruktiv einfache und kostengünstige Befestigung zumindest eines Lichtleiters an der Blende der Bedieneinheit. Sowohl die Blende, als auch die Bedieneinheit und das Haushaltgerät können schneller und kostengünstiger hergestellt werden, insbesondere im Vergleich zu einer Ultraschallverschweißung eines Lichtleiters an eine Blende einer Bedieneinheit eines Haushaltsgerätes. Insbesondere sind keine erhöhten Werkzeugkosten, wie Kosten für die speziell auszubildende Sonotrode und das speziell auszubildende Haltewerkzeug, erforderlich für die Ultraschallschweißmaschine. Auch Umrüstzeiten und Kosten, die bei der Verwendung der Ultraschallschweißtechnik anfallen, können vermieden werden. Bei der Herstellung der erfindungsgemäßen Blende können der Grundkörper der Blende und die federelastisch ausgebildeten Rastelemente der Blende in einem Verfahren, insbesondere einem Gussverfahren, gemeinsam hergestellt werden. Hierzu ist einmal ein spezielles Gussformteil erforderlich. Derartig ausgebildete Blenden erhöhen die Flexibilität der Produktion, da verschiedenartige Formteile leicht und kostengünstig erzeugt werden können. Da Blenden für Bedieneinheiten für Haushaltgeräte beziehungsweise Bedieneinheiten für Haushaltgeräte Massenprodukte sind, kann selbst bei einer sehr geringen Kosteneinsparung in der Herstellung derartiger Blenden in Summe eine hohe Ersparnis erlangt werden.Such trained panels of control units for household appliances, such as washing machines or dishwashers, etc., or such trained operating units for household appliances and appliances allow a structurally simple and cost-effective attachment of at least one light guide to the aperture of the control unit. Both the aperture, as well as the control unit and the household appliance can be made faster and cheaper, in particular compared to a Ultraschallverschweißung a light guide to a panel of a control unit of a household appliance. In particular, no increased tool costs, such as costs for the special trainees sonotrode and the specially trained holding tool, required for the ultrasonic welding machine. Also changeover times and costs incurred when using the ultrasonic welding technique can be avoided. In the production of the diaphragm according to the invention can the main body of the diaphragm and the spring-elastic locking elements of the diaphragm in a process, in particular a casting process, are produced together. For this purpose, a special molded part is required. Such formed apertures increase the flexibility of production, since various moldings can be easily and inexpensively produced. Since panels for control units for household appliances or control units for household appliances are mass-produced, a high saving can be achieved even with a very low cost in the production of such panels in total.
- 11
- Blendecover
- 22
- Blendenöffnungaperture
- 33
- federelastisch ausgebildetes Rastelementresiliently formed locking element
- 44
- Rastvorsprung am RastelementLocking projection on the locking element
- 55
- Kontaktfläche am RastelementContact surface on the locking element
- 66
- Längsachse der BlendeLongitudinal axis of the aperture
- 77
- Längsachse der BlendenöffnungLongitudinal axis of the aperture
- 1010
- Lichtleiteroptical fiber
- 1111
- erster Teil des Lichtleiterfirst part of the light guide
- 1212
- zweiter Teil des Lichtleitersecond part of the light guide
- 1313
- Anlageelement des LichtleitersInvestment element of the light guide
- 1414
- Grundkörper des LichtleitersBasic body of the light guide
- 2020
- Bedienmoduladjustment module
- 2121
- Stützfläche am BedienmodulSupport surface on the operating module
- 5050
- Bedieneinheitoperating unit
- 100100
- Haushaltgeräthousehold appliance
Claims (14)
- Faceplate (1) of an operating unit (50) of a domestic appliance (100), in particular of a washing machine or dishwasher, having at least one faceplate opening (2) for passing through at least one first part (11) of at least one light guide (10), wherein the faceplate (1), for fixing the at least one light guide (10), has at least one latching element (3) embodied in a resiliently elastic manner with a latching projection (4) provided for engaging behind the at least one light guide (10), characterised in that the latching projection (4) has a chamfer running in an inclined manner with respect to the longitudinal axis of the latching element (3), which chamfer serves the arrangement on the light guide (10).
- Faceplate (1) according to claim 1, characterised in that two or more latching elements (3) are provided for fixing a light guide (10).
- Faceplate (1) according to claim 1 or 2, characterised in that the at least one latching element (3) embodied in a resiliently elastic manner protrudes from the faceplate (1) perpendicularly or inclined with respect to the longitudinal axis (6) of said faceplate (1).
- Faceplate (1) according to at least one of the preceding claims 1 to 3, characterised in that the at least one latching element (3) embodied in a resiliently elastic manner is embodied monolithically with the faceplate (1).
- Faceplate (1) according to at least one of the preceding claims 1 to 4, characterised in that the at least one latching element (3) embodied in a resiliently elastic manner has a contact surface (5) inclined with respect to the longitudinal axis (7) of the faceplate opening (2) for arrangement of a supporting surface (21) of an operating module (20).
- Faceplate (1) according to one of the preceding claims 1 to 5, characterised in that the at least one latching element (3) embodied in a resiliently elastic manner is embodied for engaging behind a light guide (10) embodied as a switch.
- Faceplate (1) according to at least one of the preceding claims 1 to 6, characterised in that one or more sealing elements are provided on the at least one faceplate opening (2) and/or on the side (6) of the faceplate (1) facing at least one light guide (10).
- Operating unit (50) of a domestic appliance (100), in particular of a washing machine or dishwasher, with a faceplate (1), which has at least one faceplate opening (2) for passing through at least one first part (11) of a light guide (10), with at least one light guide (10) for the conveyance of light and with an operating module (20) for retaining at least one electric and/or electronic component, wherein a second part (12) of the at least one light guide (10) for feeding in light of a light source is arranged between the faceplate (1) and the faceplate module (20), characterised in that the faceplate (1) is embodied in accordance with at least one of the preceding claims 1 to 7.
- Operating unit (50) according to claim 8, characterised in that the at least one light guide (10) has at least one arranging element (13) for arrangement on the at least one latching element (3), embodied in a resiliently elastic manner, of the faceplate (1), wherein the arranging element (13) is part of the light guide (10).
- Operating unit (50) according to claim 9, characterised in that the arranging element (13) is embodied as a projection protruding from the light guide (10) perpendicularly or in an inclined manner.
- Operating unit (50) according to claim 9 or 10, characterised in that the operating module (20) has at least one supporting surface (21) inclined with respect to the longitudinal axis (7) of the faceplate opening (2) of the faceplate (1) for arrangement on the contact surface (5) of the at least one latching element (3) embodied in a resiliently elastic manner.
- Operating unit (50) according to at least one of the preceding claims 8 to 11, characterised in that the at least one light guide (10) is a switch for actuating a functionality of the operating module (20).
- Operating unit (50) according to at least one of the preceding claims 8 to 12, characterised in that the second part (12) of the at least one light guide (10) is in contact with the operating module (20) or at least in contact with functional units of the operating module (20).
- Domestic appliance (100), in particular washing machine or dishwasher, with an operating unit (50), characterised in that the operating unit (50) is embodied in accordance with at least one of the preceding claims 8 to 13.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010039530A DE102010039530A1 (en) | 2010-08-19 | 2010-08-19 | Panel of a control unit for a household appliance, control unit for a household appliance and household appliance |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2420607A1 EP2420607A1 (en) | 2012-02-22 |
EP2420607B1 true EP2420607B1 (en) | 2018-04-18 |
Family
ID=44658622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11176229.0A Active EP2420607B1 (en) | 2010-08-19 | 2011-08-02 | Faceplate of an operating unit for a domestic appliance, operating unit for a domestic appliance and domestic appliance |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2420607B1 (en) |
DE (1) | DE102010039530A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107119425A (en) * | 2016-02-24 | 2017-09-01 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine key-press and washing machine |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019200708A1 (en) * | 2019-01-22 | 2020-07-23 | BSH Hausgeräte GmbH | Household appliance with a switching element |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2004205205B2 (en) * | 2003-08-26 | 2009-06-04 | Lg Electronics Inc. | Control panel assembly and method for controlling thereof |
KR101203549B1 (en) * | 2005-05-23 | 2012-11-21 | 엘지전자 주식회사 | Control panel of wash machine |
AU2006330228B2 (en) * | 2005-12-29 | 2010-09-09 | Lg Electronics Inc. | Control panel assembly for laundry device |
DE102006026910B4 (en) * | 2006-06-09 | 2020-04-02 | BSH Hausgeräte GmbH | Control unit for a household appliance |
DE102006062393B4 (en) * | 2006-12-21 | 2011-11-10 | Prettl Home Appliance Solutions Gmbh | Operating arrangement for a household appliance |
KR20100083508A (en) * | 2009-01-14 | 2010-07-22 | 삼성전자주식회사 | Control panel assembly and washing machine having the same |
-
2010
- 2010-08-19 DE DE102010039530A patent/DE102010039530A1/en not_active Withdrawn
-
2011
- 2011-08-02 EP EP11176229.0A patent/EP2420607B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107119425A (en) * | 2016-02-24 | 2017-09-01 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine key-press and washing machine |
Also Published As
Publication number | Publication date |
---|---|
DE102010039530A1 (en) | 2012-02-23 |
EP2420607A1 (en) | 2012-02-22 |
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