EP1034554B1 - Elektrischer schalter mit berührungseffekt, für mehrere wege, und mit einziger auslösevorrichtung - Google Patents

Elektrischer schalter mit berührungseffekt, für mehrere wege, und mit einziger auslösevorrichtung Download PDF

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Publication number
EP1034554B1
EP1034554B1 EP98955703A EP98955703A EP1034554B1 EP 1034554 B1 EP1034554 B1 EP 1034554B1 EP 98955703 A EP98955703 A EP 98955703A EP 98955703 A EP98955703 A EP 98955703A EP 1034554 B1 EP1034554 B1 EP 1034554B1
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EP
European Patent Office
Prior art keywords
contact
housing
switch according
electrical
tripper
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
EP98955703A
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English (en)
French (fr)
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EP1034554A1 (de
Inventor
Alain Janniere
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.)
ITT Manufacturing Enterprises LLC
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ITT Manufacturing Enterprises LLC
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Filing date
Publication date
Application filed by ITT Manufacturing Enterprises LLC filed Critical ITT Manufacturing Enterprises LLC
Publication of EP1034554A1 publication Critical patent/EP1034554A1/de
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Publication of EP1034554B1 publication Critical patent/EP1034554B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H01H13/12—Movable parts; Contacts mounted thereon
    • 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
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs

Definitions

  • the present invention relates to a switch electric with tactile effect.
  • the invention relates more particularly to a very small switch of the type comprising a contact carrier that defines a housing in the bottom of which at least two fixed electrical contacts are arranged and which receives a triggering device of general shape domed which is elastically deformable, from a state stable at rest, under the action of an actuating member, in particular a pusher, which acts on the central part of the triggering member in a direction substantially perpendicular to the bottom of the housing, in order to establish a electrical connection between the two fixed contacts.
  • a contact carrier that defines a housing in the bottom of which at least two fixed electrical contacts are arranged and which receives a triggering device of general shape domed which is elastically deformable, from a state stable at rest, under the action of an actuating member, in particular a pusher, which acts on the central part of the triggering member in a direction substantially perpendicular to the bottom of the housing, in order to establish a electrical connection between the two fixed contacts.
  • the sudden change of state of the organ of trigger provides its user, who acts directly or indirectly on the actuator, a sensation tactile change of state of the triggering device, and therefore the change of state of the switch.
  • the organ of triggering is for example carried out in the form of a curved disc or a rectangular contour element of globally pyramidal shape.
  • the object of the invention is to propose a switch electric touchscreen of the previously mentioned type of very small dimensions which allows to have several switching channels without the use of components complementary electronics such as transistors.
  • the invention proposes a switch electric with tactile effect, characterized in that it comprises a intermediate contact plate made of material conductor which is vertically interposed between the trigger and the bottom of the housing and which comprises at at least two contact blades which are deformable elastically, from a stable state of rest in which each contact blade extends in the plane of the plate contact, under the action of the central part of the organ of trigger so as to each come into contact with a associated fixed contact opposite the bottom of the housing for electrically connect the fixed contacts to each other.
  • FIG. 1 a contact carrier which, according to a known general conception, is essentially consisting of a body or housing 12 produced by molding in insulating plastic material and which is here of form general rectangular parallelepiped.
  • the body 10 is delimited by lateral faces transverse 14 and longitudinal 16, by a lower face 18 and by a horizontal upper face 20 into which opens housing 22.
  • the housing 22 is delimited by a peripheral wall 24 of rectangular outline and by a bottom 25 which is substantially plane and parallel to the lower 18 and upper 20 faces.
  • the body 12 is produced by overmolding on conductive elements which constitute, in the example illustrated in the figures, a series of four fixed electrical contacts 26.
  • the switch also has a cover closure, not shown, of known design.
  • each fixed electrical contact 26 consists of a strip of metal which is folded so that its inner end 28, located inside the housing 22, or flush with the bottom plane 25 of the latter while its outer end 30 protrudes longitudinally outside the housing 12, beyond of the transverse lateral face 16, to constitute a terminal connection which, in this design, allows the mounting switch 10 on a printed circuit board (not shown), for example using the carry-over technique components.
  • fixed contacts 26 There are four fixed contacts 26 here. extend longitudinally parallel to each other and which are associated by pair of fixed contacts 26 aligned two by two in the bottom 25 of the housing 22.
  • the inner contact ends 28 are located in the same plane corresponding to the plane of the bottom 25, this the latter being completed, in the vicinity of the small faces internal transverse 23 of the internal peripheral wall 24, by two raised bases 32 produced by molding with the body of insulating material and each of which determines a horizontal support surface 34, parallel to the flat bottom 25 to which it is connected by a chamfer 35.
  • the switch 10 comprises a triggering member 36 intended to be received in the housing 22 which is an element produced from a sheet, for example metallic, which has a shape general convex whose lower contour 38 is here rectangular and of dimensions complementary to those of the inner peripheral wall 24 so as to be received in housing 22.
  • the triggering member 36 consists essentially of by a lower base 40 and by a part central superior 42.
  • the lower contour 38 delimits a general plan lower support of the triggering member 36 in the housing 22.
  • the general concavity of the triggering body 36 is turned towards the bottom 25 and the trigger member is likely to be deformed, against its elasticity clean, in a vertical triggering direction V and at from its stable state of rest illustrated in Figures 1 and 2 towards an unstable state of triggering and establishment of electrical contacts illustrated in figure 3.
  • the organ of trigger 36 suddenly changes state, beyond a determined trip, so as to give the user a tactile sensation of trigger.
  • Triggering can be done using a actuation button (not shown) which is a button classic extending in the vertical direction V or, by example and alternatively, an actuating pusher side of the type described and represented in the document FR-A-2735276.
  • a contact plate 44 is axially interposed between the triggering member 36 and fixed contacts 26.
  • the contact plate 44 is a material plate conductor which is for example produced by cutting from a thin metal foil to give it a grid shape illustrated by way of example in the figures.
  • the plate 44 thus has two transverse edges parallel and opposite 46 extending along the width of the plate which are interconnected by two longitudinal edges parallel and opposite 48 to form a peripheral edge of the plate in the form of a frame.
  • the contact plate 44 is intended to come to bear by its opposite transverse edges 46 on the surfaces support 34 of the raised bases 32.
  • the general plane of the contact plate 44 is vertically offset up from the general plane from the bottom 25 of the housing 22.
  • the plate contact 44 is cut so as to have four electrical contact blades 50 each of which is associated respectively to a fixed contact 26.
  • each contact blade 50 extends longitudinally cantilevered from a transverse edge corresponding 46 above and to the right of the end inner 28 of an associated fixed contact 26 of the housing 12.
  • the contact blades 50 extend in the general plane of the contact plate 44.
  • the contact blades 50 are parallel to each other and are aligned two by two of so that their rounded free ends 52 are longitudinally facing each other and are located, like the inner free ends 28 of fixed contacts 26, substantially in the center of the bottom 25 of the housing 22.
  • the four free ends 52 are all located vertically substantially in line with the active central part 42 of the monostable triggering member 36.
  • the user triggers by acting directly, or indirectly, on the central part 42 of the trigger member 36 (vertically downwards) for trigger, from stable position illustrated in Figure 2, which causes the abrupt deformation of the back 36 to reach its conformation and position illustrated in Figure 3.
  • the part central 42 of the triggering member 36 cooperates with the free ends 52 of the contact blades 50 of the contact plate 44 to deform them elastically down from their rest position, shown in Figure 2.
  • a simple trigger action on the organ single trigger 36 therefore makes it possible to connect electrically between them the four output terminals 30 almost simultaneously so as to ensure switching of several electrical channels connected to the output terminals 30 switch 10, that is to say here three ways.
  • one 50a of contact blades 50 is initially deformed so permanent by folding so that its free end 52a either permanently in contact with an associated fixed contact 26 of the insulating housing 12, regardless of the state of the trigger 36.
  • one of the output terminals 30 constitutes the contact reference plate 44, this design facilitating electronic management downstream of signals resulting from the establishment of electrical contact for the three routes, in particular by facilitating a electrical test of the tripping state of the switch.
  • FIG. 6 shows the desirable deformation elastic contact blades 50, this deformation being illustrated before the end of the organ's trigger stroke 36.
  • Each contact blade undergoes deformation elastic, under the action of the central part 42 of the dome 36, which corresponds to an “S” curvature of the blade.
  • This curvature along two opposite radii R1 and R2 avoids instability of one of the contacts at the slightest movement of the central part 42 of the triggering member 36.
  • the radius radius R2 can be increased by reducing minimum distance D between the free end 52 of the blades contact 50 of the central axis of the dome 36.
  • the invention is not limited to the embodiment which has just been described. In particular, it is not limited to the number electrical paths that can be established simultaneously.
  • the contact plate or grid can then be circular in outline with contact blades extending radially toward the center of the cantilever switch at from a lateral edge of annular contour, the ends free fixed contacts then being arranged in a circumference in the bottom of the corresponding housing.

Landscapes

  • Push-Button Switches (AREA)

Claims (10)

  1. Elektrischer Schalter (10) mit Berührungseffekt, von dem Typ, der eine kontakttragende (26, 28, 30) Halterung (12) umfasst, die eine Aufnahme (22) in dem Boden (25) begrenzt, in der zumindest zwei feste elektrische Kontakte (26) angeordnet sind und die ein Ausrastorgan (36) aufnimmt, mit einer allgemein bauchigen Form, welches elastisch verformbar ist, ausgehend von einem stabilen Ruhezustand, unter der Wirkung eines Betätigungsorgans, das auf den zentralen Teil (42) des Ausrastorgans (36) in einer Richtung (V) wirkt, die im Wesentlichen rechtwinklig zum Boden (25) der Aufnahme (22) ist, um eine elektrische Verbindung zwischen den zwei festen Kontakten (26) herzustellen, dadurch gekennzeichnet, dass er
    Zwischenkontaktplatte (44) umfasst, die aus einem leitenden Material gemacht ist, welche vertikal zwischen dem Ausrastorgan (36) und dem Boden (25, 34) der Aufnahme angeordnet ist und die zumindest zwei Kontaktlamellen (50) umfasst, die elastisch verformbar sind, ausgehend von einem stabilen Ruhezustand, in dem jede Kontaktlamelle (50) sich in der Ebene der Kontaktplatte (44) erstreckt, unter der Wirkung des zentralen Teils (42) des Ausrastorgans (36), so dass jede (50, 52) in Kontakt mit einem jeweils zugeordneten festen Kontakt (26, 28) kommt, gegenüber dem Boden (25) der Aufnahme (22), um die festen Kontakte (26, 28, 30) elektrisch untereinander zu verbinden.
  2. Elektrischer Schalter nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass sich jede Kontaktlamelle (50) ausgehend von einem Rand (46) der Kontaktplatte (44) vorstehend erstreckt, und dadurch, dass das freie Ende (52) einer jeden Kontaktlamelle in Kontakt mit einem festen Kontakt (26, 28) unter der Wirkung des zentralen Teils (42) des Ausrastelements (36) kommen kann.
  3. Elektrischer Schalter nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Kontaktlamellen (50) sich parallel zueinander längs erstrecken.
  4. Elektrischer Schalter nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass die Kontaktlamellen (50) paarweise mit ihren freien Enden (52) gegenüberliegend sind, angeordnet gegenüber dem zentralen Teil (42) des Ausrastorgans (36).
  5. Schalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jede Kontaktlamelle (50) sich längs ausgehend von einem Rand (46) zu der Kontaktplatte (46) vorstehend erstreckt, wodurch die letztere vertikal in Anlage gegen den Boden (25, 34) der Aufnahme (22) kommt, und dadurch, dass die festen Kontakte (26, 28) vertikal hinter die Anschlagsebene (34) der Ränder (46) der Kontaktplatte (44) zurückversetzt angeordnet sind.
  6. Elektrischer Schalter nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass alle festen Kontakte (26, 28) im Wesentlichen in der selben Ebene angeordnet sind.
  7. Schalter nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Kontaktflächen (28) der festen Kontakte (26) im Wesentlichen bündig mit dem ebenen Boden (25) der Aufnahme (22) sind, und dadurch, dass der Anlagerand (46) der Kontaktplatte (44) vertikal in Anlage gegen einen Teil (32, 34) kommt, der vorstehend am Boden (25) der Aufnahme (22) angeordnet ist.
  8. Elektrischer Schalter nach einem der Ansprüche 5-7, in Kombination mit einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die Kontaktlamellen (50) sich längs vorstehend ausgehend von den beiden transversalen parallelen und gegenüberliegenden Rändern (46) der Kontaktplatte (44) erstrecken, durch die die letztere vertikal in Anlage gegen den Boden (25, 34) der Aufnahme kommt.
  9. Schalter nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die beiden transversalen. Anlageränder (46) der Kontaktplatte (44) untereinander durch zwei parallele und gegenüberliegende Längsränder (48) verbunden sind.
  10. Elektrischer Schalter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass einer (50a) der Kontaktlamellen der Kontaktplatte (44) in permanenter Weise deformiert ist, um in elektrischen Kontakt mit einem zugeordneten festen elektrischen Kontakt zu kommen, unabhängig vom Zustand des Ausrastorgans (36).
EP98955703A 1997-11-28 1998-11-19 Elektrischer schalter mit berührungseffekt, für mehrere wege, und mit einziger auslösevorrichtung Expired - Lifetime EP1034554B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9714990 1997-11-28
FR9714990A FR2771846B1 (fr) 1997-11-28 1997-11-28 Commutateur electrique a effet tactile a plusieurs voies et a organe de declenchement unique
PCT/FR1998/002480 WO1999028937A1 (fr) 1997-11-28 1998-11-19 Commutateur electrique a effet tactile a plusieurs voies et a organe de declenchement unique
US09/568,869 US6323449B1 (en) 1997-11-28 2000-05-09 Touch sensitive multiple electrical switch

Publications (2)

Publication Number Publication Date
EP1034554A1 EP1034554A1 (de) 2000-09-13
EP1034554B1 true EP1034554B1 (de) 2002-04-17

Family

ID=26233958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98955703A Expired - Lifetime EP1034554B1 (de) 1997-11-28 1998-11-19 Elektrischer schalter mit berührungseffekt, für mehrere wege, und mit einziger auslösevorrichtung

Country Status (7)

Country Link
US (1) US6323449B1 (de)
EP (1) EP1034554B1 (de)
JP (1) JP2001525589A (de)
DE (1) DE69805000T2 (de)
ES (1) ES2175817T3 (de)
FR (1) FR2771846B1 (de)
WO (1) WO1999028937A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771846B1 (fr) * 1997-11-28 1999-12-31 Itt Mfg Enterprises Inc Commutateur electrique a effet tactile a plusieurs voies et a organe de declenchement unique
JP4069555B2 (ja) * 1999-10-06 2008-04-02 松下電器産業株式会社 プッシュスイッチ
FR2799570B1 (fr) 1999-10-08 2001-11-16 Itt Mfg Enterprises Inc Commutateur electrique perfectionne a effet tactile a plusieurs voies et a organe de declenchement unique
FR2803428B1 (fr) * 1999-12-30 2002-02-08 Itt Mfg Entpr S Inc Commutateur electrique a actionnement lateral
EP2385518A3 (de) * 2000-05-24 2012-02-15 Immersion Medical, Inc. Haptische Vorrichtungen mit elektroaktiven Polymeren
US6392177B1 (en) * 2001-09-07 2002-05-21 Hon Hai Precision Ind. Co., Ltd. Tact switch connector
FR2841037B1 (fr) * 2002-06-13 2004-11-26 Itt Mfg Enterprises Inc Commutateur electrique miniaturise a effet tactile du type normalement ferme
TW547759U (en) 2002-10-16 2003-08-11 Hon Hai Prec Ind Co Ltd Tact switch
US6756554B1 (en) 2003-04-29 2004-06-29 Hon Hai Precision Ind. Co., Ltd. Tact switch
TWM253048U (en) * 2003-05-30 2004-12-11 Hon Hai Prec Ind Co Ltd Tact switch
FR2864691B1 (fr) * 2003-12-31 2006-03-10 Itt Mfg Enterprises Inc Commutateur electrique lumineux a effet tactile
US7176889B2 (en) * 2004-05-21 2007-02-13 Interlink Electronics, Inc. Force sensing pointing device with click function
WO2006042309A1 (en) 2004-10-08 2006-04-20 Immersion Corporation Haptic feedback for button and scrolling action simulation in touch input devices
JP4729991B2 (ja) * 2005-06-13 2011-07-20 パナソニック株式会社 電子機器
FR2888395B1 (fr) * 2005-07-07 2014-02-28 Itt Mfg Enterprises Inc Commutateur electrique miniaturise du type normalement ferme
US8482381B2 (en) * 2008-07-31 2013-07-09 Palm, Inc. Multi-purpose detector-based input feature for a computing device
US8462133B2 (en) * 2008-09-29 2013-06-11 Apple Inc. Clickable and tactile buttons for a touch surface
US8450627B2 (en) 2010-04-01 2013-05-28 Apple Inc. Capacitive dome switch
US10304641B2 (en) * 2016-10-19 2019-05-28 Citizen Electronics Co., Ltd. Spring plate and push switch including spring plate

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FR2734398B1 (fr) * 1995-05-16 1997-07-18 Itt Composants Instr Commutateur electrique a actionnement lateral
FR2771846B1 (fr) * 1997-11-28 1999-12-31 Itt Mfg Enterprises Inc Commutateur electrique a effet tactile a plusieurs voies et a organe de declenchement unique
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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
JP2001525589A (ja) 2001-12-11
FR2771846B1 (fr) 1999-12-31
ES2175817T3 (es) 2002-11-16
FR2771846A1 (fr) 1999-06-04
WO1999028937A1 (fr) 1999-06-10
EP1034554A1 (de) 2000-09-13
US6323449B1 (en) 2001-11-27
DE69805000T2 (de) 2002-10-17
DE69805000D1 (de) 2002-05-23

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