WO2005112059A1 - Bedienungstafel - Google Patents
Bedienungstafel Download PDFInfo
- Publication number
- WO2005112059A1 WO2005112059A1 PCT/EP2005/005094 EP2005005094W WO2005112059A1 WO 2005112059 A1 WO2005112059 A1 WO 2005112059A1 EP 2005005094 W EP2005005094 W EP 2005005094W WO 2005112059 A1 WO2005112059 A1 WO 2005112059A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit carrier
- control panel
- panel
- switching elements
- elements
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/002—Actuators integral with membrane
- H01H2221/004—U-shaped openings surrounding keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/24—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with two operating positions
- H01H23/26—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with two operating positions one of which positions is unstable
Definitions
- the invention relates to an operating panel with a panel, in which a number of operating elements are arranged, and with a circuit carrier arranged behind the panel with switching elements which can be actuated mechanically by the operating elements.
- control panels are in particular arranged on the front of household appliances such as washing machines, dishwashers and the like.
- the circuit carrier for example a circuit board or a film with printed circuits
- a special console which is arranged at a distance behind the panel.
- the controls such as buttons or knobs, reach through the panel and then act from the front on the switching elements on the circuit carrier, such as. B. is shown in EP 1 008 160 B1.
- the panel Since the panel must necessarily have openings for the individual operating elements, there is a risk that moisture will reach the circuit carrier from outside through the openings and cause short circuits or other faults in the electronic circuit there.
- the object of the invention is to provide an operating panel in which the electronic circuit is better protected against moisture penetrating from outside.
- This object is achieved according to the invention in that the switching elements are seated on the rear of the circuit carrier facing away from the panel and in that the operating elements are designed to act on the switching elements from the rear.
- the switching elements and the associated conductor tracks and other electronic components of the circuit are thus located on the side of the circuit carrier facing away from the panel, they are removed from the direct influence of the moisture which may penetrate from the outside.
- the operating elements must reach through or reach around the circuit board so that they can act on the switching elements from the rear. Nevertheless, the circuit carrier forms an additional barrier through which the Probability that splash water, condensation or the like gets on the back of the circuit carrier is significantly reduced.
- Another significant advantage of the invention is that the structure and manufacture of the control panel are simplified. So that the operating elements can act mechanically on the switching elements, for example by closing an electrical contact directly or indirectly, the switching elements or the circuit carrier must be supported by a suitable abutment. This abutment was previously formed by the console. In the construction according to the invention, however, the abutment must be on the front of the circuit carrier, and it can thus be formed directly by the panel. In a preferred embodiment, the circuit carrier is therefore attached to the panel, so that an additional console can be dispensed with.
- buttons, the rocker arm and the pivot bearing for the rocker arm are made in one piece from plastic, so that an easy-to-use button unit is created, which is located on the back of the panel or alternatively on the back of the Circuit carrier can be attached. If the key unit is attached to the panel, it can also serve to fix the circuit board.
- the key unit which is made in one piece from plastic, has a base plate in which a rocker arm is delimited by two U-shaped slots, one arm of which carries the key and the other arm of which carries a pressure element for actuating the switching element ,
- this second arm can also carry a stop to limit the key travel.
- the two U-shaped slots are with their open ones Ends facing each other and arranged so that their legs overlap each other, but are each separated by a material bridge, which can be designed as a film hinge and forms the pivot bearing for the rocker arm.
- the one-piece button unit can also have a plurality of rocker arms, each of which carries a button.
- control element is a rotary knob
- it preferably has an axis which is rotatably mounted in the panel and which also passes through the circuit carrier and carries a disk which engages behind the circuit carrier at the inner end.
- This disk can then be equipped on the side facing the circuit carrier with pressure pieces, electrical contacts and the like for actuating the switching elements.
- a simple assembly is made possible in that the rotary knob and the above-mentioned disk are first produced as separate components which are attached to the panel from opposite sides during assembly and are then connected to one another, for example, by latching.
- the opening in the panel provided for the button or the rotary knob can be surrounded by an integrally molded injection rim.
- This spray rim can be used to fasten the key unit or to fasten and / or lock the rotary knob.
- Figure 1 is a front view of an operating panel
- FIG. 2 is a rear view of the control panel;
- Figure 3 is an enlarged rear view of a key unit;
- FIG. 4 shows a section through the key unit along the line IV-IV in FIG. 3;
- Figure 5 is a sectional view corresponding to Figure 4, for the actuated state of the key unit
- FIG. 6 shows an axial section through a rotary knob unit
- FIG. 7 shows a side view of the rotary knob unit from FIG. 6.
- the control panel shown in FIG. 1 has a plate-shaped panel 10, for example made of plastic by injection molding, in which a rotary knob 12, several individual keys 14 and a group of four further keys 16 are arranged.
- Figure 2 shows a view of the back of the panel 10, on which, for example by gluing, a flat circuit carrier 18 is attached.
- the circuit carrier can be, for example, an FPC film which carries printed conductor tracks (not shown) and other electrical components of an electronic circuit which processes the commands entered using the rotary knob 12 and the keys 14, 16.
- the rotary knob 12 is part of a rotary knob unit 20 passing through the panel 10 and the circuit carrier 18, of which only a disk 22 can be seen in FIG. 2.
- Each of the keys 14 is part of a separate key unit 24, while the keys 16 are part of a common key unit 26.
- FIG. 3 One of the key units 24 is shown enlarged in FIG.
- This key unit is made in one piece from plastic and has a base plate 28, in which a tilt 34 is delimited by two U-shaped slots 30, 32.
- the end sections of the legs of the two U-shaped slots 30, 32 overlap one another, but are separated by material bridges, which are designed as film hinges 36 and form the pivot bearing for the rocker arm.
- the right arm of the rocker arm 34 in FIG. 3 has a protuberance which, as can be seen more clearly in FIG. 4, forms the button 14.
- the other arm of the rocker arm 34 carries a pressure piece 38 on the side facing the circuit carrier 18 and a stop at the free end
- the panel 10 has on the inside (below in FIG.
- a splash rim 42 which surrounds the opening for the button 14 formed in the panel and prevents splash water from reaching the bottom side of the circuit carrier 18 through the opening in FIG.
- support stands 44 are arranged on the edge of the base plate 18, with which the key unit is plugged onto the spraying edge 42.
- the mentioned conductor tracks and circuit components of the electronic circuit are located on the lower side of the circuit carrier 18 in FIG. 4.
- these circuit components include a switching element in the form of a push-button switch 46, which is arranged opposite the pressure piece 38.
- the rocker arm 34 pivots in the manner shown in FIG. 5 about the pivot axis defined by the film hinges 36, and the key switch 46 is actuated by the pressure piece 18.
- the stop 40 strikes the housing of the key switch and thus limits the key stroke.
- the button 14 When the button 14 is released, it springs back into the position shown in FIG. 4 due to the inherent elasticity of the film hinges 36.
- the key unit 26 is constructed analogously, with the difference that a single base plate has several rocker arms for the keys 16.
- FIG. 6 shows the rotary knob unit 20 shown in FIG. 2 in an axial section.
- the rotary knob 12 forms an axis 46 which extends through the panel 10 and with which the disk 22 is locked in a rotationally fixed and tensile manner in the axial direction.
- the axis 46 is rotatably mounted in an opening in the diaphragm 10, and this opening is again surrounded by a spray edge 42 which projects through a hole in the circuit carrier 18.
- the switching elements on the circuit carrier 18 are simply formed by the ends of conductor tracks 48, which extend into the area covered by the disk 22 and between which, depending on the position of the rotary knob 12, there are contact bridges arranged on the disk 22.
- ken 50 electrically conductive connections can be made, as can be seen more clearly in Figure 7.
- the contact bridges 50 are resilient, so that the necessary contact pressure is produced.
- the reaction force of the Taktmaschinen is introduced through the disc 22 into the knob 12, which is supported on the front of the panel 10.
- Defined latching positions for the rotary knob 12 can be achieved, for example, by arranging one or more latching cams 52 distributed around the circumference on the disk 22, which latching teeth (not shown) in the end face of the
- switching cams can be arranged on the disk 22 instead of the switching bridges 50, which actuate corresponding switching elements on the circuit carrier 18. These switching elements can then also define the locking positions for the rotary knob. It is also possible to arrange a spring mechanism in the axis 46 which pulls the disc 22 in the direction of the diaphragm 10 in order to generate the pressure required for actuating the switching elements.
- spring elements that pull the rotary knob 12 and the disk 22 together upward can also be arranged on the surfaces with which the rotary knob 12 is supported on the front of the panel 10.
- a locking toothing is attached to the inner surface of the spray rim 42, which interacts with resilient tongues projecting from the disk 22. These tongues could also serve to mechanically lock the disk 22 at the spray edge so that no tension is exerted on the rotary knob 12 and accordingly the friction between the edge of the rotary knob and the front of the panel 10 is reduced.
- a pushbutton switch can also be implemented without a rocker arm.
- an elastically biased button would then be provided, which carries on the inside of the circuit carrier 18 a disc corresponding to the disc 22, which is provided with pressure pieces for actuating the switching elements.
- the difference from the arrangement according to Figure 4 would be that in this case the switching elements are constantly acted upon by the pressure element in the idle state and the pressure element only releases the switching elements when the key is actuated.
- the penetration of splash water is prevented by the spray rim 42
- the seal for the button 14 should be low-friction and flexible so that it does not prevent the button from moving when the rocker arm 34 is pivoted.
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Push-Button Switches (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0511044-0A BRPI0511044A (pt) | 2004-05-11 | 2005-05-11 | painel operacional |
US11/568,526 US20070217180A1 (en) | 2004-05-11 | 2005-05-11 | Control panel |
EP05748841A EP1745495A1 (de) | 2004-05-11 | 2005-05-11 | Bedienungstafel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004007733U DE202004007733U1 (de) | 2004-05-11 | 2004-05-11 | Bedienungstafel |
DE202004007733.7 | 2004-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005112059A1 true WO2005112059A1 (de) | 2005-11-24 |
Family
ID=35062518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/005094 WO2005112059A1 (de) | 2004-05-11 | 2005-05-11 | Bedienungstafel |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070217180A1 (de) |
EP (1) | EP1745495A1 (de) |
BR (1) | BRPI0511044A (de) |
DE (1) | DE202004007733U1 (de) |
WO (1) | WO2005112059A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005014934B3 (de) * | 2005-04-01 | 2006-10-19 | Diehl Ako Stiftung & Co. Kg | Elektrischer Schalter |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4275279A (en) * | 1975-12-19 | 1981-06-23 | Alps Electric Co., Ltd. | Switch assembly having printed circuit rotor and integrally hinged split housing |
DE3329827A1 (de) * | 1983-08-18 | 1985-03-14 | Schmidt Kg Schiederwerk G | Tastenschalter |
DE4117031A1 (de) * | 1990-05-25 | 1991-11-28 | Alps Electric Co Ltd | Schaltvorrichtung |
US5070218A (en) * | 1989-10-26 | 1991-12-03 | Kabushiki Kaisha Kawai Gakki Seisakusho | Key guide apparatus for electronic musical instrument |
EP0661908A2 (de) * | 1993-12-31 | 1995-07-05 | Samsung Electronics Co., Ltd. | Bedienungsschalter eines Mikrowellenofens und Steuerschaltung hierzu |
DE29802341U1 (de) * | 1998-02-11 | 1998-05-20 | Siemens AG, 80333 München | Lagerung mehrerer Wipptasten innerhalb eines Gehäuses |
US20010003325A1 (en) * | 1999-12-08 | 2001-06-14 | Kiyoshi Nakagawa | Electronic equipment and transmission device of button device used therein |
DE20208009U1 (de) * | 2002-05-22 | 2002-10-10 | Woehr Richard Gmbh | Beleuchtungssystem mit oberer kontaktgebender Schaltfolie und integrierten LED für folienabgedeckte, magnetische Tastaturen |
DE20206447U1 (de) * | 2002-04-17 | 2002-12-19 | Woehr Richard Gmbh | Magnetische, beleuchtete Folientastatur mit mindestens einer integrierten LED |
-
2004
- 2004-05-11 DE DE202004007733U patent/DE202004007733U1/de not_active Expired - Lifetime
-
2005
- 2005-05-11 EP EP05748841A patent/EP1745495A1/de not_active Withdrawn
- 2005-05-11 BR BRPI0511044-0A patent/BRPI0511044A/pt not_active IP Right Cessation
- 2005-05-11 WO PCT/EP2005/005094 patent/WO2005112059A1/de not_active Application Discontinuation
- 2005-05-11 US US11/568,526 patent/US20070217180A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4275279A (en) * | 1975-12-19 | 1981-06-23 | Alps Electric Co., Ltd. | Switch assembly having printed circuit rotor and integrally hinged split housing |
DE3329827A1 (de) * | 1983-08-18 | 1985-03-14 | Schmidt Kg Schiederwerk G | Tastenschalter |
US5070218A (en) * | 1989-10-26 | 1991-12-03 | Kabushiki Kaisha Kawai Gakki Seisakusho | Key guide apparatus for electronic musical instrument |
DE4117031A1 (de) * | 1990-05-25 | 1991-11-28 | Alps Electric Co Ltd | Schaltvorrichtung |
EP0661908A2 (de) * | 1993-12-31 | 1995-07-05 | Samsung Electronics Co., Ltd. | Bedienungsschalter eines Mikrowellenofens und Steuerschaltung hierzu |
DE29802341U1 (de) * | 1998-02-11 | 1998-05-20 | Siemens AG, 80333 München | Lagerung mehrerer Wipptasten innerhalb eines Gehäuses |
US20010003325A1 (en) * | 1999-12-08 | 2001-06-14 | Kiyoshi Nakagawa | Electronic equipment and transmission device of button device used therein |
DE20206447U1 (de) * | 2002-04-17 | 2002-12-19 | Woehr Richard Gmbh | Magnetische, beleuchtete Folientastatur mit mindestens einer integrierten LED |
DE20208009U1 (de) * | 2002-05-22 | 2002-10-10 | Woehr Richard Gmbh | Beleuchtungssystem mit oberer kontaktgebender Schaltfolie und integrierten LED für folienabgedeckte, magnetische Tastaturen |
Also Published As
Publication number | Publication date |
---|---|
BRPI0511044A (pt) | 2007-11-27 |
US20070217180A1 (en) | 2007-09-20 |
EP1745495A1 (de) | 2007-01-24 |
DE202004007733U1 (de) | 2005-09-22 |
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