EP0875912B1 - Betätigungsvorrichtung mit Drehscheibe - Google Patents

Betätigungsvorrichtung mit Drehscheibe Download PDF

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Publication number
EP0875912B1
EP0875912B1 EP19980440070 EP98440070A EP0875912B1 EP 0875912 B1 EP0875912 B1 EP 0875912B1 EP 19980440070 EP19980440070 EP 19980440070 EP 98440070 A EP98440070 A EP 98440070A EP 0875912 B1 EP0875912 B1 EP 0875912B1
Authority
EP
European Patent Office
Prior art keywords
serrated wheel
arm
actuating device
fact
rotary
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
EP19980440070
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English (en)
French (fr)
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EP0875912A1 (de
Inventor
Olivier Zann
Henri Ullius
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.)
Eaton Corp
Original Assignee
Eaton Corp
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Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP0875912A1 publication Critical patent/EP0875912A1/de
Application granted granted Critical
Publication of EP0875912B1 publication Critical patent/EP0875912B1/de
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
    • 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
    • H01H19/005—Electromechanical pulse generators
    • 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
    • H01H19/005—Electromechanical pulse generators
    • H01H2019/006—Electromechanical pulse generators being rotation direction sensitive, e.g. the generated pulse or code depends on the direction of rotation of the operating part

Definitions

  • the present invention relates to a control member with rotary wheel for generating electrical signals different depending on the direction of rotation of said wheel. See for example document DE-A-3136598.
  • the system of the invention is applicable in the field of equipment automobiles, for example as a radio control integrating, in more than several push buttons, a command dial turning mad in his home.
  • said command is for example integrated into the design more large from a top of the vehicle steering column.
  • the trend is to group more and more orders in the steering wheel, or more generally in said column top.
  • the wheel control member of the invention is designed to allow the sending of impulse-type electrical signals, which must moreover be distinguished according to the direction of rotation. Also as long as we turn in one direction, the electrical signal generated is of identical intensity, even if the speed variations of the rotary movement printed on the wheel lead to variations the form of said signal, since it depends in particular on time. In in this case, only the signal strength is taken into account.
  • the major objective of the latter is on the contrary to offer a system whose appearance is certainly identical, with a turning wheel freely back and forth and providing different signals for every sense, but with the simplest and least expensive design possible.
  • the existing freewheeling systems driving tracks of switching on an electronic circuit perpendicular to the axis of the wheel do not constitute either a solution which one can retain in the scope of the invention, because they induce a large number of parts.
  • the assembly is therefore complex, source of multiple vibrations and other friction.
  • the rotary wheel control member is mainly characterized in that said wheel has a suitable profile to train at least once per complete rotation a pivoting arm between two distinct extreme positions depending on the direction of rotation of the wheel, each position generating an electrical signal by switching a circuit different from that generated in the other position, a mechanism for reminder bringing the arm back to a rest position in which no signal electric is only generated when the profile of the wheel does not exert strain on said arm.
  • the training profile which can of course vary considerably from one application to another, in fact causes the swinging arm to oscillate the circuit.
  • said drive profile is drawn radially on the periphery of an axial part of said wheel, said part having a diameter smaller than the part intended for handling.
  • the wheel itself therefore has two portions separate, one reserved for handling, which must be accessible to the user, and the other more functional for training the arm swivel allowing circuit switching.
  • the arm has one end whose shape is intended to cooperate with the drive profile of the wheel, the other end comprising a conductive pad.
  • the arm pivots in practice on a plate comprising a printed circuit of which conductive tracks are located so that at least two said tracks to be connected to obtain signal switching are located at each extreme position taken by said pad driver.
  • the geometry of the drive profile can lead to the generation of several pulses per revolution. It is therefore essential that between each phase active drive, said mechanism recalls the arm in position intermediate rest.
  • This return mechanism consists of a spring leaf parallel to the axis of rotation of said arm and fixed in the vicinity thereof, the other end of said blade being integral with a fixed frame.
  • the training profile cooperates directly with the end of the swivel arm.
  • the drive profile may include a radial surface cylindrical device provided with regular studs at ends round.
  • said drive profile comprises a revolution cam with peripheral radial surface provided with portions concaves in arcs of a circle connected by rounded convex zones of radius of curvature less than that of the concave portions.
  • a plate with a printed circuit presents the advantage of simultaneously offering compactness and simplicity of design and of achievement. It can be configured in such a way that at least the part of the wheel intended for handling meets the plane of the plate on which the arm pivots at a light allowing passage a portion of the periphery of the wheel.
  • the whole can then be integrated into a larger whole, where the user has access only to this portion of the cylindrical periphery of the wheel to operate its settings.
  • the axis of rotation of the wheel, the pivot axis of the arm and the longitudinal axis of said arms are in the same plane.
  • the pivot axis of said arm is perpendicular to the axis of rotation of the thumb wheel.
  • the extreme positions of the arm are arranged symmetrically relative to its rest position.
  • the circuit board parallel to the thumb wheel also eliminates the need a reference to 90 ° of a part of the circuit.
  • the set is still there simplified and made more compact.
  • the number of pieces is further reduced movement, potentially generating vibrations and friction.
  • the thumbwheel (1) comprises a handling part (2) and a functional part with the drive profile (3).
  • This profile (3) cooperates with an arm or lever (4) pivoting around a pivot (5) with an axis perpendicular to that of the wheel (1). It can rotate in both directions (T1, T2) represented by the double arrow in arc of circle.
  • the pivoting arm (4) is articulated on a plate (6), for example of a circuit printed, comprising a circuit that the two extreme positions of said arm oscillating (4) can be switched, in particular using the pad (7) of contact provided at the end of the arm (4) distant from the control wheel (1).
  • the drive profile (3) shown has a peripheral cylindrical radial surface provided with regular intervals of rounded-end studs (8) cooperating with the end proximal of the pivoting lever (4).
  • a spring blade (9) inserted in said lever (4) recalls it in its rest position, i.e. with the axis of the lever (4) parallel to the axis of the wheel (1).
  • the other end of this blade (9) is fixed relative to the aforementioned movements, secured for example to a frame not shown.
  • the shape of the movement made by the shoe (7) is represented by the double arrow in an arc (S1, S2). In its two extreme positions, said pad (7) cooperates with the printed circuit so that it occurs in both cases a switching.
  • the two switches lead to different results, allowing in particular to identify the direction of rotation of the wheel (see Figure 4).
  • leaf spring (9) is not shown in Figure 2, which shows particularly well the particular shape of the drive profile (3).
  • the six studs (8) lead to six displacements pad (7) per turn, when the wheel (1) is actuated in the same direction.
  • Figure 4 is particularly interesting from the electrical point of view; it shows tracks (11, 12, 13) of the printed circuit (6) and their interaction with the contact pad (9). In each extreme position, said shoe (9) connects a track (11, 12) with the residual track (13), for example track massive.
  • the signals generated in the two cases are different, and are not created only when the end of the arm carrying the shoe (9) is in position extreme before returning to the rest position. The signals are therefore impulse nature, all or nothing, since switching is content to effect a change of state giving a “square” shape to the signal.
  • This figure also shows a light made in the plate (6) carrying the printed circuit, in which engages a portion of the periphery of the wheel (1). It is therefore accessible from the other side of said plate (6), which can be used during final assembly for allow access to the wheel (1) for the user.
  • FIGS. 9 to 12 takes up the use of a stud (15) located at the end of the arm (4), but with a very drive profile different.
  • the cam (3 ") of the thumbwheel is that of the configuration illustrated in Figures 9 to 12. Operation is strictly identical to that of the examples explained above.
  • Figure 15 shows a configuration which also resembles that Figures 9 to 12, but with the pivoting arm (4) also arranged on the other side of the plate (6).

Landscapes

  • Toys (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Control Of Position Or Direction (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Claims (12)

  1. Steuerorgan mit Drehscheibe (1), das sich in einem Aufnahmesitz frei dreht, das die Erzeugung elektrischer Signale ermöglicht, die je nach Drehrichtung der Scheibe unterschiedlich sind, wobei die Scheibe (1) ein Profil (3, 3', 3") aufweist, das wenigstens einmal pro vollständiger Umdrehung einen Arm (4), der zwischen zwei verschiedenen Extrempositionen schwenkbar ist, je nach Drehrichtung der Scheibe (1) antreiben kann, wobei jede Position durch Kommutieren einer Schaltung ein elektrisches Signal erzeugt, das von demjenigen verschieden ist, das in der anderen Position erzeugt wird, wobei ein Rückstellmechanismus (7) den Arm (4) in eine Ruhestellung zurückführt, in der kein elektrisches Signal erzeugt wird, wenn das Profil (3, 3', 3") der Scheibe (1) auf den Arm (4) keine Kraft ausübt, dadurch gekennzeichnet, daß der Rückstellmechanismus aus einem Federplättchen (7) besteht, dessen Achse zur Drehachse des Arms (4) parallel ist und das am Arm (4) in der Umgebung der Achse befestigt ist, wobei das andere Ende des Plättchens mit einem festen Rahmen verbunden ist.
  2. Steuerorgan mit Drehscheibe (1) nach Anspruch 1, dadurch gekennzeichnet, daß das Antriebsprofil (3, 3', 3") an der Umfangsfläche eines axialen Teils der Scheibe (1) radial ausgebildet ist, wobei dieser Teil einen Durchmesser aufweist, der kleiner als der andere Teil (2) ist, der für die Betätigung vorgesehen ist.
  3. Steuerorgan mit Drehscheibe (1) nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß der Arm (4) ein Ende aufweist, dessen Form so beschaffen ist, daß es mit dem Antriebsprofil (3, 3', 3") der Scheibe (1) zusammenwirkt, während das andere Ende eine Leiterkontaktkufe (9) aufweist.
  4. Steuerorgan mit Drehscheibe (1) nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß der Arm (4) an einer Platte (6) schwenkt, die eine gedruckte Schaltung aufweist, deren elektrische Bahnen (11, 12, 13) in der Weise angeordnet sind, daß sich wenigstens zwei der zu verbindenden Bahnen (11, 13; 12, 13) auf seiten jeder der Extrempositionen befinden, die von der Leiterkufe (9) eingenommen werden.
  5. Steuerorgan mit Drehscheibe (1) nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Antriebsprofil (3) direkt mit dem Ende des Schwenkarms zusammenwirkt.
  6. Steuerorgan mit Drehscheibe (1) nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Antriebsprofil (3', 3") mit einer Steckstelle (15) zusammenwirkt, die sich an dem Ende des Schwenkarms (4) befindet, das sich seinerseits in der Nähe des Profils (3', 3") befindet.
  7. Steuerorgan mit Drehscheibe (1) nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Antriebsprofil (3, 3') eine radiale Umfangsoberfläche mit zylindrischem Verlauf aufweist, die in regelmäßigen Abständen mit Steckstellen (8) mit abgerundetem Ende versehen ist.
  8. Steuerorgan mit Drehscheibe (1) nach irgendeinem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Antriebsprofil (3") einen rotationssymmetrischen Nocken mit radialer Umfangsoberfläche aufweist, die mit konkaven Kreisbogenabschnitten (16) versehen ist, die über abgerundete konvexe Zonen (17) mit einem Krümmungsradius, der kleiner als derjenige der konkaven Abschnitte ist, verbunden sind.
  9. Steuerorgan mit Drehscheibe (1) nach irgendeinem der Ansprüche 3 bis 8, dadurch gekennzeichnet, das wenigstens derjenige Teil (2) der Scheibe (1), der für die Bedienung bestimmt ist, auf die Ebene der Platte (6), auf der der Arm (4) schwenkt, auf Höhe eines Langlochs (14) trifft, das einen Abschnitt der Umfangsfläche der Scheibe (1) durchläßt.
  10. Steuerorgan mit Drehscheibe (1) nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Drehachse der Scheibe (1), die Schwenkachse des Arms (4) und die Längsachse des Arms in derselben Ebene liegen.
  11. Steuerorgan mit Drehscheibe (1) nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Schwenkachse des Arms (4) zur Drehachse der Scheibe (1) senkrecht ist.
  12. Steuerorgan mit Drehscheibe (1) nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Extrempositionen des Arms (4) in bezug auf seine Ruheposition symmetrisch angeordnet sind.
EP19980440070 1997-04-28 1998-04-09 Betätigungsvorrichtung mit Drehscheibe Expired - Lifetime EP0875912B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9705434 1997-04-28
FR9705434A FR2762711B1 (fr) 1997-04-28 1997-04-28 Organe de commande a molette rotative

Publications (2)

Publication Number Publication Date
EP0875912A1 EP0875912A1 (de) 1998-11-04
EP0875912B1 true EP0875912B1 (de) 2000-03-08

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ID=9506526

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980440070 Expired - Lifetime EP0875912B1 (de) 1997-04-28 1998-04-09 Betätigungsvorrichtung mit Drehscheibe

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EP (1) EP0875912B1 (de)
DE (1) DE69800087T2 (de)
ES (1) ES2146125T3 (de)
FR (1) FR2762711B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4066037B2 (ja) * 2000-02-24 2008-03-26 株式会社ヴァレオサーマルシステムズ 操作パネルの回転スイッチ機構
FR2852443B1 (fr) * 2003-03-11 2009-12-04 Dav Dispositif de commutation a commande par molette et sa mise en oeuvre dans un circuit de commande d'affichage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344161A (en) * 1979-02-09 1982-08-10 Kabushiki Kaisha Suwa Seikosha Electronic timepiece
DE3136598A1 (de) * 1981-09-15 1983-03-31 Horn Hans Joachim "impulsgenerator"

Also Published As

Publication number Publication date
DE69800087T2 (de) 2001-01-18
EP0875912A1 (de) 1998-11-04
DE69800087D1 (de) 2000-04-13
FR2762711A1 (fr) 1998-10-30
ES2146125T3 (es) 2000-07-16
FR2762711B1 (fr) 2001-12-07

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