EP0890965A2 - Arrangement de touches illuminées a couvercle amovible - Google Patents

Arrangement de touches illuminées a couvercle amovible Download PDF

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Publication number
EP0890965A2
EP0890965A2 EP98112686A EP98112686A EP0890965A2 EP 0890965 A2 EP0890965 A2 EP 0890965A2 EP 98112686 A EP98112686 A EP 98112686A EP 98112686 A EP98112686 A EP 98112686A EP 0890965 A2 EP0890965 A2 EP 0890965A2
Authority
EP
European Patent Office
Prior art keywords
control button
arrangement according
button arrangement
light guide
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98112686A
Other languages
German (de)
English (en)
Other versions
EP0890965A3 (fr
Inventor
Hussam Helmi
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.)
Somfy Feinmechanik und Elektrotechnik GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0890965A2 publication Critical patent/EP0890965A2/fr
Publication of EP0890965A3 publication Critical patent/EP0890965A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor

Definitions

  • the invention relates to an illuminated control button arrangement on a removable housing cover or part the housing of an electrical device, in particular one Roller shutter drive device, for actuation at least an electrical switching device.
  • Control buttons are very often on a removable Housing cover of an electrical device arranged.
  • Switching devices often on the rest of the housing area fixed, for example on a circuit board, and actuated by means of the control buttons via release elements, either only on the respective control button or only on the switching device are attached so that the housing cover easily removed and replaced can be.
  • a single control button or a control button arrangement are illuminated, so in known sources of light required for this, for example LEDs arranged on the control button arrangement, so that the leads when removing the Housing cover must be released.
  • the entire housing cover is backlit, so that the light at through openings of the Control buttons or via transparent control buttons can get outside.
  • Such an arrangement has the Disadvantage that a relatively high light output is required is and that the light at other openings or columns of the housing cover or the rest of the housing area in undesirable Way out.
  • the control button arrangement according to the invention with the features of the main claim has the advantage that lighting of the control buttons with very low electrical Performance is realizable, with the light targeting the Control buttons is fed.
  • the housing cover can easily from the rest of the housing area or main housing area can be removed without any disconnected electrical or mechanical connections or would have to be mounted away. This reduces the manufacturing and cost, because in particular also reduced the number of components.
  • the at least one light guide element advantageously takes Show the at least one light source or is attachable to the light source, so that practically that all light is transferred into the light guide element avoiding stray light. This leads to a reduction the electrical power for the light source or with the same output to increase the illuminance for the control button arrangement.
  • the at least one light guide element is expediently held at the main housing area so that it is at a Removal of the housing cover in the main housing area remains. This reduces the risk of damage, as if this light guide element on the housing cover would be arranged and protrudes from this.
  • the at least one control button expediently has a flat shape and is particularly as a plate educated. Because the front side of the control button of the at least one light guide element essentially has the contour of the assigned control button, can provide full coverage in a simple way can be achieved, or there can be a desired light structure generated on the control button. For this is the operator side of the at least one light guide element for example over the entire surface or like a frame trained if a full-area or frame-like illumination an operating button is desired.
  • Each control button is expediently an electrical one Switching device assigned to the main housing area is held, with a trigger element between the Control button and the associated switching device extends and is fixed to one of these two parts. At the Removing the housing cover leaves the release element or the trigger elements then remain on the respective Part, and no mechanical separation is required.
  • the at least one light source and / or the at least one an electrical switching device is preferably on a circuit board arranged, the circuit board expediently by means of a holding device on the main housing area is fixed.
  • the arrangement on a circuit board enables particularly cost-effective installation or assembly.
  • At least two light guide elements connected together on one Holding device held in the main housing area so that inserted them together and attached to the holding device can be.
  • control buttons are expediently on or in an opening of the removable housing cover or part stored so that they together with this housing cover or part are removed and remain there.
  • the at least one light guide element is preferably made made of light-conducting plastic, which as simple and inexpensive injection molded part can be produced.
  • the at least one light source can advantageously depending on the switching state of the assigned electrical switching device and / or the respective Operating mode of the electrical device switched off or switched on or switched on intermittently or with reduced power must be switched on. This can additional operational features appear and it may also have display elements in individual cases spare.
  • the at least one light source is preferably always or only in the dark at least with reduced power switched on, so that the control buttons in the Dark or darkened room easily recognizable and locatable are.
  • a light emitting diode is particularly suitable as a light source because of their small size, their low power consumption and their easy attachment to one Circuit board.
  • FIGS. 1 to 3 puts an illuminated control button arrangement on one removable housing cover 10, being for simplification the embodiment shown only in a partial representation is, that is, the only partially shown Housing cover 10 belonging housing is not shown.
  • It is a housing for an electrical one Device, for example around a housing for a roller shutter drive device, as it is for example in the DE 44 04 682 A1 or 44 20 980 A1.
  • a such housing contains an electric drive motor and control electronics, with control buttons for operation 11 are arranged on the removable housing cover 10.
  • the described embodiment is also for other housings for electrical devices with removable housing cover suitable.
  • a U-shaped Printed circuit board 13 which is not shown Control electronics or other electronic components contains.
  • This circuit board 13 is by means of a holding device 14 on an otherwise not shown Main housing part fixed, from which the housing cover 10 removable is.
  • the circuit board 13 encompasses the holding device 14 and is oblique with respect to the plane of the housing cover 10 inclined.
  • this circuit board also designed differently and / or be positioned and a differently designed holding device exhibit.
  • control button 11 There are two triangular control buttons on the housing cover 10 arranged one behind the other, in the sectional view 3 only one control button 11 can be seen. It consists of transparent or translucent Plastic material and is in a through hole 15 of the housing cover 10 inserted. It has the wall of the housing cover 10 engaging extensions 16, the resilient on corresponding brackets 17 on the inside of the housing cover 10 are guided so that the control button 11 against the spring force of springs 18 by a limited Path can be moved into the interior of the housing.
  • the control button 11 release lever 19 in extending into the housing Contact with a push button switch 20 on the circuit board 13 is fixed. Thus, by pressing the control button 11 switching operations of the push button switch 20 triggered become.
  • the Printed circuit board 13 in addition to the key switch 20, a key switch 21.
  • This is a corresponding control button with assigned a corresponding trigger lever, however not recognizable in the sectional view according to FIG. 3 is.
  • other can not be shown appropriate push buttons and control buttons as required be provided. These are control buttons according to the control buttons 25, 26 of DE 44 04 682 A1.
  • LEDs 22, 23 arranged on the circuit board, in principle, other light sources are also provided could be.
  • LEDs 22, 23 are two Light guide elements 24, 25 plugged together are connected via struts 26. These struts 26 are attached to the holding device 14 to the light guide elements 24, 25 in the desired position hold. 2, the light guide element 25 is cut off, to better represent the remaining ingredients to be able to.
  • the light guide elements 24, 25 each have a cylindrical Area 27, 28 on which the LEDs 22, 23 receives, for which purpose a corresponding cylindrical bore is provided. Of that removed from the circuit board 13 End region of the cylindrical regions 27, 28 extend from the light guide elements 24, 25 to Inside of the flat control buttons 11, whereby the free end faces 29, 30 of the conically widening Areas 31, 32 of the light guide elements 24, 25 so spaced from the inner surfaces of the control buttons 11 are that these are just not in when pressed Come into contact with these free end faces 29, 30, but as close as possible to them.
  • the free end faces 29, 30 have a surface shape on that of the control buttons 11 essentially corresponds, in the illustrated embodiment these are Triangular faces, the one time with a triangle side after below and the other time with a triangular tip below.
  • the conically widening regions 31, 32 are tubular formed, that is, the free end faces 29, 30 form triangular frames for frame-like illumination of the Control buttons 11, 12.
  • the conically widening areas 31, 32 made of solid material are manufactured.
  • the light guide elements 24, 25 consist of good light-guiding Material, for example transparent plastic material, like acrylic glass. The outsides can except for the free end faces 29, 30 with an opaque Paint or the like be covered to one to prevent lateral light emission.
  • the light guide elements 24, 25 can be made as one-piece plastic injection molded parts be made.
  • housing cover 10 When removing the housing cover 10 are no separations mechanical or electrical type required, as shown in Fig. 3.
  • the housing cover can also be used 10 are put on again without further measures, and the control buttons 11 are then immediately ready for use again and illuminated or illuminated.
  • Lighting functions can be provided.
  • the control buttons 11 constantly with weak Light output must be illuminated so that it is dark can be easily found and operated (so-called Night design).
  • This low basic lighting can also by means of a twilight switch, not shown use only in the dark.
  • a switch to lighting with higher Light output can be used to identify the Switching state.
  • Other switching states can by flashing lighting in different ways are displayed, so that for example additional Signal or control lights can be superfluous.

Landscapes

  • Push-Button Switches (AREA)
  • Slot Machines And Peripheral Devices (AREA)
EP98112686A 1997-07-10 1998-07-09 Arrangement de touches illuminées a couvercle amovible Withdrawn EP0890965A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29712129U 1997-07-10
DE29712129U DE29712129U1 (de) 1997-07-10 1997-07-10 Beleuchtete Bedientastenanordnung an einem abnehmbaren Gehäusedeckel oder -teil

Publications (2)

Publication Number Publication Date
EP0890965A2 true EP0890965A2 (fr) 1999-01-13
EP0890965A3 EP0890965A3 (fr) 1999-06-16

Family

ID=8042892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98112686A Withdrawn EP0890965A3 (fr) 1997-07-10 1998-07-09 Arrangement de touches illuminées a couvercle amovible

Country Status (2)

Country Link
EP (1) EP0890965A3 (fr)
DE (1) DE29712129U1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962086C (de) * 1954-05-15 1957-04-18 Siemens Ag Beleuchteter Druckknopftaster
US4191871A (en) * 1978-09-12 1980-03-04 Westinghouse Electric Corp. Push-button assembly
US4868354A (en) * 1988-09-23 1989-09-19 Emhart Industries, Inc. Slide switch with light guide
GB2242572A (en) * 1990-03-30 1991-10-02 Barcrest Ltd Switch assembly
WO1995030993A1 (fr) * 1994-05-07 1995-11-16 Itt Automotive Europe Gmbh Interrupteur a bascule etanche a voyant lumineux
DE19649889C1 (de) * 1996-12-02 1997-10-30 Kostal Leopold Gmbh & Co Kg Elektrische Schaltvorrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962086C (de) * 1954-05-15 1957-04-18 Siemens Ag Beleuchteter Druckknopftaster
US4191871A (en) * 1978-09-12 1980-03-04 Westinghouse Electric Corp. Push-button assembly
US4868354A (en) * 1988-09-23 1989-09-19 Emhart Industries, Inc. Slide switch with light guide
GB2242572A (en) * 1990-03-30 1991-10-02 Barcrest Ltd Switch assembly
WO1995030993A1 (fr) * 1994-05-07 1995-11-16 Itt Automotive Europe Gmbh Interrupteur a bascule etanche a voyant lumineux
DE19649889C1 (de) * 1996-12-02 1997-10-30 Kostal Leopold Gmbh & Co Kg Elektrische Schaltvorrichtung

Also Published As

Publication number Publication date
DE29712129U1 (de) 1998-11-05
EP0890965A3 (fr) 1999-06-16

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