EP2452434A1 - Dispositif de commande pour appareil électrique - Google Patents

Dispositif de commande pour appareil électrique

Info

Publication number
EP2452434A1
EP2452434A1 EP10728258A EP10728258A EP2452434A1 EP 2452434 A1 EP2452434 A1 EP 2452434A1 EP 10728258 A EP10728258 A EP 10728258A EP 10728258 A EP10728258 A EP 10728258A EP 2452434 A1 EP2452434 A1 EP 2452434A1
Authority
EP
European Patent Office
Prior art keywords
control panel
operating device
openings
component
sensor element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10728258A
Other languages
German (de)
English (en)
Inventor
Henry Fluhrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP2452434A1 publication Critical patent/EP2452434A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/964—Piezoelectric touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96015—Constructional details for touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96042—Touch switches with illumination

Definitions

  • the invention relates to an operating device for an electrical appliance, such as an extractor hood and a cooking appliance or other large appliances of the so-called white goods, wherein the operating device is designed according to the preamble of claim 1.
  • the invention has for its object to provide an aforementioned control device and an electrical appliance provided therewith, with the problems of the prior art can be avoided and in particular a light display can be used with a pressure-sensitive sensor element in common.
  • the operating device still has said light indicator and a pressure-sensitive touch switch, wherein the touch switch comprises a flat pressure-sensitive sensor element.
  • the control panel has at least one opening which is closed by a translucent window.
  • a flat component carrier is arranged, which has on a front side facing the control panel illuminant. On its other rear side, it has at least the two-dimensional pressure-sensitive sensor element, specifically in the region of the at least one opening or opposite it.
  • a light display can either display a corresponding operating function for an operator, which can then be initiated instinctively by placing a finger.
  • functions such as light display on the one hand and touch switch on the other hand, so that the operating device does not need too much area on the electrical appliance.
  • a plurality of openings are provided in the control panel, which in particular belong to a single touch switch or a single light indicator. These openings can be separated from each other by thin webs, in particular material webs of the control panel itself. So they can, for example A seven-segment display is used to represent individual digits, for example for a display of power levels.
  • the lighting means are arranged for better illumination or fluoroscopy directly behind the openings in the control panel. Under certain circumstances, they may even protrude a bit into the openings, which not only improves their lighting effect, but also allows the relatively planar application of the component carrier, which carries the bulbs, to the back of the control panel. Furthermore, such an easy way can be created to prevent the outshine of a lamp in one opening or behind an opening to another opening or in another opening.
  • a planar sensor element is associated with at least one or two openings in the control panel or opposite to these. This means, so to speak, that the surface of the sensor element covers these openings, although the two are not directly adjacent to each other, but at least separated from each other by the component carrier. This is advantageous for all openings of a contiguous symbol or a coherent light display, such as the said seven-segment display.
  • the sensor element areally and to apply it to the component carrier as a piezoceramic or piezosensitive coating.
  • a coating may consist of corresponding piezoceramic material.
  • a flat sensor element may be applied as a separate component on the component carrier, advantageously with a sensor carrier. It may, for example, be a thin piezoceramic, advantageously disk-like, which in particular - A - may be glued together with sensor carrier on the component carrier or otherwise mechanically attached thereto.
  • a sensor carrier advantageously with a sensor carrier.
  • the translucent windows per opening in the control panel each with a translucent part.
  • These translucent parts are thus used individually in each opening of the control panel and attached thereto or in it, for example, by gluing or mechanical clipping odgl ..
  • they are flush with the control panel. It is possible to let the bulbs protrude into the opening of the control panel until just before the window or even close to this or in direct contact with this. It is also possible to attach the translucent parts to the bulbs or the component carrier and then put together with it in the opening in the control panel into it.
  • a plurality of windows for a plurality of openings contiguous can be provided to form a plurality of windows for a plurality of openings contiguous.
  • a light guide component or a light guide advantageously not necessarily a light pipe or light-conducting connection between a plurality of windows is provided, even if this is possible in principle.
  • a single such optical fiber component is provided for a contiguous illuminated display, that is, for example, an aforementioned seven-segment display or its openings in the control panel. This allows for faster assembly of the operating device than with a plurality of individual windows, as previously described.
  • the coherently formed windows are advantageously used from the rear side of the control panel and fastened thereto and have projections or form projections which extend into the openings as a window. These should also close the openings, preferably flush with the surface at the front.
  • the contiguous component or light conductor component can be connected to the component carrier on its rear side.
  • this can be glued to the optical fiber component.
  • the optical fiber device can be glued to the back of the panel for attachment, for example, by applying a large area with areas between the windows or openings on the back of the control panel.
  • a bond can, for example, with a double-sided adhesive film or the like. respectively.
  • windows in particular if they are to be inserted separately into the openings, are flat and are arranged at some distance from the lighting means.
  • rear recesses may be provided in the windows, in particular below the protrusions of the optical waveguide component which extend into the openings, as windows into which the illuminants engage or protrude.
  • the component carrier can rest with its front side against the rear side of the optical waveguide component and can be glued by gluing or the like. be attached.
  • the optical waveguide component in a multi-component spraying method with translucent material, in particular as the aforesaid windows, above the illuminant and opaque material around the illuminant, in particular for shielding against adjacent windows.
  • the lighting means on the back of the component carrier with a lighting direction that does not go directly to the control panel. In this case, the lighting means can radiate into an aforementioned optical fiber component, which deflects the light direction at least once to the opening in the control panel.
  • the light guide component the light from the light sources, which are designed in particular as laterally lit LED or so-called side LED with light direction approximately parallel to the surface of the component carrier, once by about 90 ° deflect to the opening in the control panel.
  • the light can be redirected twice so that it runs back to the opening of the control panel.
  • the optical fiber component may then have projections reaching into the openings, which form the aforementioned windows.
  • the operating device is closed on the back by a housing.
  • the above-described optical fiber component may be attached, for example, be molded. So less individual components are to be mounted.
  • the above-described optical fiber component may be attached, for example, be molded. So less individual components are to be mounted.
  • multi-component syringes offers multi-component syringes.
  • the light guide component can be designed for a plurality of lighting means and thereby have a separate reflection surface per light source.
  • a separate reflection surface per light source By shaping the reflection surfaces, an optical separation between adjacent light sources can be achieved against overshoots from one light source to another, or at least reduced overblasting.
  • an optical separation between different lamps can be achieved, which is advantageous for example in a bar display or a light strip, as it is known for example from DE 102004044355 A1.
  • alternative may also be desirable to have a slight overshoot for a softer illumination, so to speak.
  • a window or the entire optical waveguide component at least partially as a diffuser and / or as a color filter, possibly also only the surface thereof. This means that a more even lighting or light can be created. Furthermore, a colored education is possible. If a coherent optical fiber component is provided, these properties may under certain circumstances be provided only in the projections or windows engaging in the openings of the control panel. This is the case when, for example, the surface or light exit side of the windows is designed as a diffuser by roughening. Alternatively, in particular in the case of a multi-component injection method for an optical waveguide component, the same material may be used if possible for the sake of simplicity.
  • the lighting means may advantageously be LED or SMD LED, for example the said laterally radiating side LED. These allow a compact arrangement due to their small size.
  • FIG. 1 is an exploded view of a first embodiment of an operating device according to the invention
  • Fig. 3 shows a modified operating device similar to those from
  • Fig. 4 shows a further modified operating device with similar
  • FIG. 1 an inventive operating device 11 is shown in a first embodiment in the manner of an exploded view.
  • the operating device 1 1 has a control panel 13, which may be, for example, a front of a cooker hood or other device of white goods. This means that the control panel 13 can be used either in approximately the illustrated size or height in a housing of the electrical appliance. Alternatively, it may be a whole housing area of the electrical appliance.
  • the control panel 13 has a front side 14 and a rear side 15. There are a plurality of openings 17 are provided, in which windows 19 are used.
  • a double-sided adhesive film 21 recesses corresponding to the openings 17 is applied on the back 15 of the control panel 13.
  • a printed circuit board 23 as described above Component carrier mounted such that it rests with a front side 24 on the adhesive film 21 and thus on the back 15 of the control panel 13.
  • the circuit board 23 has LED 27, which are advantageously SMD LED. As is apparent from FIG. 2 in the assembled state, they extend into the openings 17 of the control panel 13, but only until shortly before the windows 19.
  • the windows 19 are flush with the front side 14 of the control panel 13 19, for example, in a known manner with adhesive or the like. be glued into the openings 17 to its attachment.
  • a sensor carrier 29 is attached to a sensor element 30, advantageously glued in turn.
  • the sensor element 30 is formed as a fundamentally known piezo sensor element, for the exact embodiment of which reference is made, for example, to DE 10 2008 033 369 A1 of the same Applicant. An electrical contact to the sensor element 30 is not shown, but is easy to realize for the expert.
  • an operating device 1 1 can be provided with a light indicator 28, which also serves as a touch switch or has a corresponding sensor element 30 behind it. It is a very simple operation possible by an operator with the finger 32 presses the icon or the light indicator 28. Not shown but it is easy to imagine for the skilled person to provide relatively close to the light indicator 28 more lights or controls, preferably with basically the same structure, for example, with a distance that corresponds approximately to the diameter of the light itself, possibly even less.
  • FIG. 3 shows a modification of an operating device 1 1 1 is shown, on the left in the mounted state and the right thereof as an exploded view.
  • the operating device 11 1 has a control panel 1 13 formed identically to FIGS. 1 and 2 with front side 14, rear side 15 and openings 117 therein.
  • Windows 1 19 are formed as projections of a light guide component 120, which connects or has all windows 1 19 together.
  • the optical waveguide component 120 has separating regions 134 between the individual windows. These are formed opaque or consist of opaque material, which is made in a single operation with translucent material of the other optical fiber device 120, in particular on the windows 1 19, the multi-component injection molding process.
  • the separation regions 134 prevent an LED 127 under a window 1 19 to another window 119 outshines and thus causes a luminance at this point. This prevention of over-illumination is achieved in FIG. 2 by the fact that the LEDs 27 also protrude a little into the openings 17 and are therefore surrounded to the side by the control panel 13 as well as by the adhesive film 21.
  • a sensor carrier 129 with the sensor element 130 on a rear side 125 of the printed circuit board 123 is again likewise formed as in FIGS. 1 and 2 and therefore does not need to be explained in detail.
  • Fig. 3 thus consists in the formation of the window 119 on a contiguous component, namely the optical fiber component 120.
  • This allows a simpler installation of the operating device 111, since only a single part must be used and not, as shown in FIG. 2, seven windows 19 in the openings 17. Above all, however, a well-defined position of the window 119 in the openings 1 17 is achieved by contact with the back 115 of the control panel 113 together with adhesive film 121 by the contiguous configuration of the optical fiber device 120.
  • a control panel 213 is provided, which may consist of metal or stainless steel here, for example.
  • On the left is shown how a finger 232 is placed on the front side 214 of the control panel 213 for the touch switch.
  • On a rear side 215 are the functional units described below.
  • a printed circuit board 223 is glued, with its front side 224.
  • the circuit board carries on its back 225 a plurality of LED 227th These are, as shown by the arrows, designed as a so-called side LED, so radiate from the side and Not perpendicular to the mounting plane of the printed circuit board 223.
  • the LED 227 radiate upward, which will be explained later in more detail.
  • a sensor carrier 229 with a sensor element 230 is fastened to the rear side 225, as explained above, specifically as a piezo sensor element.
  • a housing 238 is mounted and secured, for example by pin 239 of the housing 238 engage in holes 226 in the circuit board 223 and there latch as usual.
  • Openings 217 in the control panel 213 are closed by windows 219, similar to what has been explained above, in particular in FIG. 3.
  • the windows 219 are not individual parts but in turn depend on a type of optical fiber component, in this case the housing 238. or are made in one piece with this.
  • the windows 219 have a rear reflection surface 236, which causes the light emitted by the LED 227 laterally or upwardly to be reflected by approximately 90 ° and thus exits therefrom in the direction approximately perpendicular to the front side 214 of the control panel 213.
  • the entire housing 238 may be formed of light-conducting material, so that it can be easily manufactured.
  • a window 219 may be sprayed as a light guide component 220 with a corresponding plastic to a housing 238 made of opaque plastic.
  • a great advantage of the embodiment according to FIG. 4 is achieved when, as has been described above, a plurality of sensor elements 230 are provided side by side, advantageously in one line, on a larger control panel. Above each sensor element is then just a window 219 and can indicate, for example, an actuation of the sensor element 230 by an applied finger 232 via an optical signaling.
  • elongated operating devices with touch switches with a corresponding optical contact Show well and combine beneficial, for example, in control panels made of metal.
  • the LED 227 on the same side of the printed circuit board 223 as the sensor elements.
  • This allows an improved and simpler construction.
  • the housing 238 may generally serve simultaneously as a receptacle of the circuit board, as a light guide as well as a contact protection for the possibly still provided on the circuit board 223 electronic elements during assembly or during assembly.

Landscapes

  • Push-Button Switches (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Electronic Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

L'invention concerne un dispositif de commande (11) pour un appareil électrique tel qu'une hotte aspirante, lequel dispositif comprend un bandeau de commande (13), un voyant lumineux et une touche à effleurement pourvue d'un élément plan sensible à la pression (30). Le bandeau de commande comporte au moins une ouverture (17) obturée par une fenêtre (19) transparente. Sur la face arrière (15) du bandeau de commande est placé un support plat (23) pour composants qui est pourvu d'éléments électroluminescents (27) sur une face avant tournée vers le bandeau de commande et qui, sur sa face arrière, porte l'élément sensible plan (30) et son support (29) dans la zone de l'ouverture (17).
EP10728258A 2009-07-09 2010-07-06 Dispositif de commande pour appareil électrique Withdrawn EP2452434A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009033538A DE102009033538A1 (de) 2009-07-09 2009-07-09 Bedieneinrichtung für ein Elektrogerät
PCT/EP2010/059652 WO2011003912A1 (fr) 2009-07-09 2010-07-06 Dispositif de commande pour appareil électrique

Publications (1)

Publication Number Publication Date
EP2452434A1 true EP2452434A1 (fr) 2012-05-16

Family

ID=42562535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10728258A Withdrawn EP2452434A1 (fr) 2009-07-09 2010-07-06 Dispositif de commande pour appareil électrique

Country Status (5)

Country Link
US (1) US8922979B2 (fr)
EP (1) EP2452434A1 (fr)
JP (1) JP5600164B2 (fr)
DE (1) DE102009033538A1 (fr)
WO (1) WO2011003912A1 (fr)

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KR101668922B1 (ko) 2014-12-24 2016-10-24 엘지전자 주식회사 디스플레이 어셈블리가 구비된 가전제품 및 그 제조 방법
CN106301324B (zh) * 2015-06-05 2023-05-09 深圳纽迪瑞科技开发有限公司 压力感应按键结构及具有该压力感应按键结构的终端设备
CN106283542B (zh) * 2015-06-11 2020-05-08 青岛海尔滚筒洗衣机有限公司 一种可内置读卡器的面板结构和洗衣机
KR101736608B1 (ko) 2015-11-27 2017-05-16 엘지전자 주식회사 냉장고
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Also Published As

Publication number Publication date
JP2012533198A (ja) 2012-12-20
WO2011003912A1 (fr) 2011-01-13
JP5600164B2 (ja) 2014-10-01
US8922979B2 (en) 2014-12-30
US20120106051A1 (en) 2012-05-03
DE102009033538A1 (de) 2011-01-13

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