EP1091376B1 - Interrupteur électrique à touche pivotante - Google Patents

Interrupteur électrique à touche pivotante Download PDF

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Publication number
EP1091376B1
EP1091376B1 EP00120697A EP00120697A EP1091376B1 EP 1091376 B1 EP1091376 B1 EP 1091376B1 EP 00120697 A EP00120697 A EP 00120697A EP 00120697 A EP00120697 A EP 00120697A EP 1091376 B1 EP1091376 B1 EP 1091376B1
Authority
EP
European Patent Office
Prior art keywords
rocker
actuator
switch according
circuit board
pushbutton switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00120697A
Other languages
German (de)
English (en)
Other versions
EP1091376A2 (fr
EP1091376A3 (fr
Inventor
Andreas Trein
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP1091376A2 publication Critical patent/EP1091376A2/fr
Publication of EP1091376A3 publication Critical patent/EP1091376A3/fr
Application granted granted Critical
Publication of EP1091376B1 publication Critical patent/EP1091376B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01H21/36—Driving mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5805—Connections to printed circuits

Definitions

  • the invention relates to an electrical toggle switch.
  • an electrical push button switch is known the housing with a switching element at least one automatically resetting and off-center stored button is provided.
  • an actuator is formed on the button, that interacts with an assigned snap disc, which both resets the button and is used to connect current paths on a printed circuit board.
  • the disadvantage here is that the limited Travel of the snap disc is only a relatively short one Switching path of the button is realizable and in the event of an overstroke the button the circuit board due to an excessive application force can be damaged.
  • DE-U-76 34 027 discloses a momentary switch, whose electrical contacts via a one-sided Button with an associated, slidably mounted Actuation approach can be acted upon. This is the way of actuation the key from the switching path of the assigned contacts dependent. There is also a dependency between the Contacts and the counterforce that the actuator of the actuating force the key opposite.
  • DE-A-197 26 529 shows an electrical key switch with a housing in which a switching elements Contact unit is arranged, and with at least an automatically resetting and off-center Key with an actuator acting on the switching elements, which is molded onto the button.
  • This is the Contact unit resiliently mounted in the housing and against excessive Force applied by the actuator to the switching elements compliant, being between the contact unit and the base the housing a spring unit is arranged.
  • a counterforce the actuating force of the button is activated by a compression spring generated, which is between the actuator or the button and supports the contact unit. Due to the arrangement of the Spring unit between the contact unit and the base of the Housing this push button switch has a relatively complicated Building on.
  • US-A-5 667 062 discloses an electrical one Push button switch with a button mounted on a housing, the an actuator for loading trained as fixed contacts Switching elements is assigned, the actuator is designed as a leaf spring, one end of which is on the housing side and their other free end with the Interacting elements.
  • EP 0 406 496 A2 shows a toggle switch according to the preamble of claim 1.
  • the actuator is after Kind of a rocker on a rocker bearing on the housing such arranged that his arm to the microswitch and his other arm into an extension on one end of the Button extends.
  • the object is achieved in that that with the microswitch cooperating free end of the leaf spring under tension on the button rests and another end of the leaf spring is fixed on the housing side.
  • the operating force of the button dependent on the spring action of the actuator, which at the same time causes the key to be reset after it is acted on and holds the key in its original position.
  • the actuator provides a desired counterforce to the actuating force the button is available, creating a corresponding tactile Switching sensation is generated.
  • the microswitch is preferably on one perpendicular to one Bottom of the housing arranged circuit board attached, being the circuit board extends into the interior of the hollow button.
  • the toggle switch has a very compact Structure with reliable functioning.
  • the PCB should also be fixed exactly to the housing held between guide lugs of the housing.
  • the guide lugs are integrally formed on the housing and are manufactured together with this in the injection molding process.
  • the key is expediently by means of an opposing one and spaced apart mounting brackets, which are in the Stretch inside the button, stored.
  • the bearing brackets are also integrally formed on the housing and act as they are inside the button, optically not annoying.
  • the button is molded onto an attachment on which the free end of the actuator is applied.
  • the approach represents an exact transfer the actuating force acting on the button on the actuator and thus also on the switching element safely.
  • the actuator is preferably essentially U-shaped, one leg attached to the circuit board is the other leg that acts on the microswitch is supported on the base of the button and the leg connecting web is inclined in the direction of the microswitch.
  • the distance between the parallel legs of the U shape is on the one hand to the height of the microswitch and on the other adapted to the actuation path of the key.
  • the inclination of the Steges essentially influences the counterforce that the actuator opposed to the actuating force of the button.
  • the free end of the actuator is expediently provided with a Angle to the linear contact of the microswitch Mistake. Furthermore, the free one preferably extends End of the actuator beyond the approach of the button. At a The key assigned to the microswitch bends over the stroke Leg in the contact area of the neck of the button through, which is why there is a risk of damage to the microswitch and the associated circuit board is relatively low.
  • the actuator is preferred in relatively large quantities punched in one piece and shaped accordingly. This Manufacturing of the actuator can be done using a progressive tool with relatively small tolerances.
  • toggle switches of this type are rarely used used alone are preferred several toggle switches next to each other on the circuit board arranged. This measure reduces the Installation effort of several toggle switches considerably, since only the connection contacts of the common circuit board must be electrically connected. Conveniently, the keys are parallel and spaced apart stored on the housing. This makes tactile easier Detection of the individual buttons of the toggle switch guaranteed.
  • a steering wheel 1 comprises a steering wheel rim 2, which spokes 3 is connected to the steering wheel bowl 4. On each Side of the steering wheel 1 is between adjacent spokes 3 one consisting of several toggle switches 6 each Switch unit 5 inserted into the steering wheel bowl 4. The Switch units 5 are connected via connecting lines 7 common connectors 8 for coupling the toggle switch 6 with an electrical system of a motor vehicle in training.
  • Each toggle switch 6 is in common with one Housing 9 stored button 10 provided on the operator facing side a back-lit symbol 11 carries and the end facing away from the operator as Actuating surface 18 is formed.
  • the button 10 has the housing 9 opposite to each other spaced bearing tabs 12, which are located inside the hollow button 10 extend, the bearing tabs 12 on their free ends in corresponding holes 14 of the key Wear 10 engaging pins 13.
  • an aperture 15 is provided below the 10 buttons, which is formed by means of a molded web 16 inserted into corresponding guide grooves 17 of the housing 9 becomes.
  • the housing 9 with guide lugs 19 provided for holding a circuit board 20 which in Area of the button 10 of the middle toggle switch 6 of a top and in the area of each housing 9 the toggle switch 6 is held by a stop 21 on the underside.
  • the stops 21 prevent the circuit board from bending 20 in one direction or another.
  • the leadership approaches 19 each have a groove 22 for receiving the circuit board 20 on.
  • the circuit board 20 is perpendicular to a floor 41 of the housing 9 is arranged and carries in the area of each button 10 a switching element designed as a microswitch 23 and an actuator 24 assigned to the microswitch 23, wherein the circuit board 20 with the microswitch 23 and the area 24 supporting the actuator 24 into the inside of the button 10 extends.
  • the actuator 24 designed as a leaf spring 40 is essentially U-shaped, one leg 26 on the circuit board 20 is attached, the other, the microswitch 23rd acting leg 27 under tension on a Approach 28 supports the button 10 and the legs 26, 27th connecting web 29 inclined in the direction of the microswitch 23 is.
  • the leg 26 fixed to the printed circuit board 20 Actuator 24 comprises two spaced apart, via one Flange 30 interconnected arms 31 on which angled Extensions 32 for determining the actuator 24 in corresponding Bores of the circuit board 20 are formed.
  • the free end of the leg 27 of the actuator 24 is one Angle 33 for linear contact of the microswitch 23 provided and extends over the approach 28th button 10.
  • the button 10 of the toggle switch 6 is a Initiation of the actuating force via the shoulder 28 of the key 10 on the actuator 24 by on the actuating surface 18 is attacked. This causes the button to tilt 10 around the pins 13 of the bearing plates 12 and the legs 29 becomes elastic in the area of its connection to the flange 30 deformed until the bend 33 of the leg 27 of the actuator 24 comes to the microswitch 23 to the system and this actuated.
  • This pressurized end position of the button 10 is also through the interaction of the stops on the housing side 34 and the openings 35 of the key 10 are determined.
  • the switch units 5 shown are used for remote control a not shown radio of a motor vehicle, a toggle switch 6 as a memory request switch 36 of the radio, two toggle switches 6 as station search switch 37 to search for a radio station in different Directions, a toggle switch 6 as a switch 38 for switching between radio and cassette operation and two toggle switches 6 as a volume switch 39 for regulating the Volume of the radio are provided.
  • the operator of the radio can therefore control all functions without his hands to have to take off the steering wheel 1 by using the appropriate Fingers of the right or left hand the assigned Actuating surfaces 18 on the button 10 of the toggle switch 6 applied.
  • buttons 10 are spaced apart mounted on the common housing 9.

Landscapes

  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Claims (13)

  1. Commutateur électrique à touche pivotante avec une touche (10) qui est montée sur un corps (9) et à laquelle est associé un moyen d'actionnement (24) conformé en ressort à lame (40) pour solliciter un élément de commutation conformé en commutateur miniature (23), une extrémité libre du ressort à lame (40) coopérant avec l'élément de commutation, caractérisé en ce que l'extrémité libre du ressort à lame (40) coopérant avec le commutateur miniature (23) est appliquée sous précontrainte contre la touche (10) et une autre extrémité du ressort à lame (40) est fixée au corps.
  2. Commutateur électrique à touche pivotante selon la revendication 1, caractérisé en ce que le commutateur miniature (23) est fixé à une plaque de circuit imprimé (20) disposée perpendiculairement à un fond (41) du corps (9), la plaque de circuit imprimé (20) s'étendant à l'intérieur de la touche creuse (10).
  3. Commutateur électrique à touche pivotante selon les revendications 1 et 2, caractérisé en ce que la plaque de circuit imprimé (20) est maintenue entre des appendices de guidage (19) du corps (9).
  4. Commutateur électrique à touche pivotante selon la revendication 1, caractérisé en ce que la touche (10) est montée au moyen de pattes de support opposées et distantes les unes des autres (12) qui s'étendent à l'intérieur de la touche (10).
  5. Commutateur électrique à touche pivotante selon la revendication 1 ou 4, caractérisé en ce que sur la touche (10) est surmoulé un appendice (28) contre lequel l'extrémité libre du moyen d'actionnement (24) est appliquée.
  6. Commutateur électrique à touche pivotante selon une des revendications 1 à 5, caractérisé en ce que le moyen d'actionnement (24) est conformé sensiblement en U, l'une des branches (26) étant fixée à la plaque de circuit imprimé (20), l'autre branche (27), qui sollicite le commutateur miniature (23), prenant appui sur l'appendice (28) de la touche (10), et une barrette (29), qui relie les branches (26, 27), étant inclinée en direction du commutateur miniature (23).
  7. Commutateur électrique à touche pivotante selon la revendication 6, caractérisé en ce que la branche (26) fixée à la plaque de circuit imprimé (20) comporte deux bras (31) distants l'un de l'autre et reliés par l'intermédiaire d'une semelle (30), la barrette (29) partant de la semelle (30).
  8. Commutateur électrique à touche pivotante selon la revendication 7, caractérisé en ce que sur les bras (31) sont surmoulés des prolongements coudés (32) pour fixer le moyen d'actionnement (24) dans des perçages correspondants de la plaque de circuit imprimé (20).
  9. Commutateur électrique à touche pivotante selon une des revendications 1 à 8, caractérisé en ce que l'extrémité libre du moyen d'actionnement (24) est pourvue d'une portion coudée (33) pour un contact linéaire avec le commutateur miniature (28).
  10. Commutateur électrique à touche pivotante selon une des revendications 1 à 9, caractérisé en ce que l'extrémité libre du moyen d'actionnement (24) s'étend au-delà de l'appendice (28) de la touche (10).
  11. Commutateur électrique à touche pivotante selon une des revendications 1 à 10, caractérisé en ce que le moyen d'actionnement (24) est estampé d'un seul tenant et mis en forme de manière appropriée.
  12. Commutateur électrique à touche pivotante selon une des revendications 1 à 11, caractérisé en ce que plusieurs commutateurs électriques à touche pivotante (6) sont disposés côte à côte sur la plaque de circuit imprimé (20).
  13. Commutateur électrique à touche pivotante selon la revendication 12, caractérisé en ce que les touches (10) sont montées parallèlement et à distance les unes des autres sur le corps (9).
EP00120697A 1999-10-09 2000-09-22 Interrupteur électrique à touche pivotante Expired - Lifetime EP1091376B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19948723A DE19948723A1 (de) 1999-10-09 1999-10-09 Elektrischer Kipptastschalter
DE19948723 1999-10-09

Publications (3)

Publication Number Publication Date
EP1091376A2 EP1091376A2 (fr) 2001-04-11
EP1091376A3 EP1091376A3 (fr) 2003-04-02
EP1091376B1 true EP1091376B1 (fr) 2004-12-22

Family

ID=7925096

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00120697A Expired - Lifetime EP1091376B1 (fr) 1999-10-09 2000-09-22 Interrupteur électrique à touche pivotante

Country Status (2)

Country Link
EP (1) EP1091376B1 (fr)
DE (2) DE19948723A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7029284B2 (en) * 2003-11-17 2006-04-18 Methode Electronics, Inc. Floating contact assembly for a steering wheel
DE102015225310B3 (de) 2015-12-15 2017-03-30 Volkswagen Aktiengesellschaft Vorrichtung zum Erfassen von Eingaben eines Nutzers in einem Fahrzeug und Fahrzeug
DE102016112277A1 (de) * 2016-07-05 2018-01-11 Trw Automotive Electronics & Components Gmbh Bedienbaugruppe für ein Kraftfahrzeug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4496803A (en) * 1983-05-04 1985-01-29 Key Concepts, Incorporated Data entry switch
JPH073547Y2 (ja) * 1988-07-25 1995-01-30 アルプス電気株式会社 押釦スイツチ
US5045656A (en) * 1989-07-05 1991-09-03 Idec Izumi Corporation Switch provided with indicator
JP3404956B2 (ja) * 1995-01-31 2003-05-12 松下電器産業株式会社 プッシュスイッチ
DE69608286T2 (de) * 1996-12-02 2001-01-04 Eta S A Fabriques D Ebauches G Elektrische Schaltvorrichtung auf einer gedruckten Schaltung und Uhr, die eine solche Vorrichtung enthält
DE19726529C2 (de) * 1997-06-23 2001-07-05 Eaton Controls Gmbh Elektrischer Tastschalter

Also Published As

Publication number Publication date
EP1091376A2 (fr) 2001-04-11
EP1091376A3 (fr) 2003-04-02
DE50009006D1 (de) 2005-01-27
DE19948723A1 (de) 2001-04-12

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