EP0875912B1 - Organe de commande à molette rotative - Google Patents
Organe de commande à molette rotative Download PDFInfo
- 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
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Images
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)
Description
- La figure 1 est une vue en perspective des composants essentiels de l'invention, montrant leurs localisations respectives et leur agencement ;
- La figure 2 est une vue en élévation de face de l'ensemble de la figure 1 ;
- La figure 3 en est une représentation de côté ;
- La figure 4 est une vue de dessus du même ensemble ;
- Les figures 5 à 8 montrent une variante de l'invention, représentée avec les mêmes vues qu'auparavant ;
- Les figures 9 à 12 présentent une autre variante, également figurée à l'aide des mêmes vues que dans les figures 1 à 4 ;
- Les figures 13 et 14 sont deux vues en perspective d'une configuration où l'axe de la molette n'est pas parallèle au plan de la plaque ; et
- La figure 15 montre une variante dans laquelle le bras pivotant est disposé sur l'autre face de la plaque.
Claims (12)
- Organe de commande à molette rotative (1) tournant librement dans un logement, permettant la génération de signaux électriques différents suivant le sens de rotation de la molette, ladite molette (1) comportant un profil (3, 3', 3") apte à entraíner au moins une fois par rotation complète un bras (4) pivotant entre deux positions extrêmes distinctes selon le sens de rotation de la molette (1), chaque position générant en commutant un circuit un signal électrique différent de celui qui est généré dans l'autre position, un mécanisme de rappel (7) ramenant le bras (4) à une position de repos dans laquelle aucun signal électrique n'est généré lorsque le profil (3, 3', 3") de la molette (1) n'exerce pas de contrainte sur ledit bras (4), caractérisé en ce que le mécanisme de rappel consiste en une lame ressort (7) parallèle à l'axe de rotation dudit bras (4) et fixée sur le bras (4) au voisinage dudit axe, l'autre extrémité de ladite lame étant solidaire d'un bâti fixe.
- Organe de commande à molette rotative (1) selon la revendication 1, caractérisé en ce que le profil d'entraínement (3, 3', 3") est dessiné radialement sur la périphérie d'une partie axiale de ladite molette (1), ladite partie présentant un diamètre inférieur à l'autre partie (2) destinée à la manipulation.
- Organe de commande à molette rotative (1) selon la revendication précédente, caractérisé en ce que ledit bras (4) comporte une extrémité dont la forme est prévue pour coopérer avec ledit profil d'entraínement (3, 3', 3") de la molette (1), l'autre extrémité comportant un patin de contact conducteur (9).
- Organe de commande à molette rotative (1) selon la revendication précédente, caractérisé en ce que ledit bras (4) pivote sur une plaque (6) comportant un circuit imprimé dont des pistes électriques (11, 12, 13) sont localisées de sorte qu'au moins deux desdites pistes (11, 13 ; 12, 13) à connecter sont situées au niveau de chaque position extrême prise par ledit patin conducteur (9).
- Organe de commande à molette rotative (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le profil d'entraínement (3) coopère directement avec l'extrémité du bras pivotant.
- Organe de commande à molette rotative (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le profil d'entraínement (3', 3") coopère avec un plot (15) localisé sur l'extrémité du bras pivotant (4) située au voisinage dudit profil (3', 3").
- Organe de commande à molette rotative (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le profil d'entraínement (3, 3') comporte une surface radiale périphérique d'allure cylindrique munie à intervalle régulier de plots (8) à bout arrondi.
- Organe de commande à molette rotative (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le profil d'entraínement (3") comporte une came de révolution à surface radiale périphérique dotée de portions concaves (16) en arcs de cercle reliées par de zones convexes (17) arrondies de rayon de courbure inférieur à celui des portions concaves (16).
- Organe de commande à molette rotative (1) selon l'une quelconque des revendications 3 à 8, caractérisé en ce qu'au moins la partie (2) de la molette (1) destinée à la manipulation rencontre le plan de la plaque (6) sur laquelle pivote le bras (4) au niveau d'une lumière (14) laissant passer une portion de la périphérie de la molette (1).
- Organe de commande à molette rotative (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'axe de rotation de la molette (1), l'axe de pivotement du bras (4) et l'axe longitudinal dudit bras sont dans le même plan.
- Organe de commande à molette rotative (1) selon l'une des revendications précédentes, caractérisé en ce que l'axe de pivotement du bras (4) est perpendiculaire à l'axe de rotation de la molette (1).
- Organe de commande à molette rotative (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les positions extrêmes du bras (4) sont disposées symétriquement par rapport à sa position de repos.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9705434A FR2762711B1 (fr) | 1997-04-28 | 1997-04-28 | Organe de commande a molette rotative |
FR9705434 | 1997-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0875912A1 EP0875912A1 (fr) | 1998-11-04 |
EP0875912B1 true EP0875912B1 (fr) | 2000-03-08 |
Family
ID=9506526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980440070 Expired - Lifetime EP0875912B1 (fr) | 1997-04-28 | 1998-04-09 | Organe de commande à molette rotative |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0875912B1 (fr) |
DE (1) | DE69800087T2 (fr) |
ES (1) | ES2146125T3 (fr) |
FR (1) | FR2762711B1 (fr) |
Families Citing this family (2)
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)
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" |
-
1997
- 1997-04-28 FR FR9705434A patent/FR2762711B1/fr not_active Expired - Fee Related
-
1998
- 1998-04-09 ES ES98440070T patent/ES2146125T3/es not_active Expired - Lifetime
- 1998-04-09 DE DE1998600087 patent/DE69800087T2/de not_active Expired - Fee Related
- 1998-04-09 EP EP19980440070 patent/EP0875912B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69800087D1 (de) | 2000-04-13 |
DE69800087T2 (de) | 2001-01-18 |
EP0875912A1 (fr) | 1998-11-04 |
FR2762711B1 (fr) | 2001-12-07 |
ES2146125T3 (es) | 2000-07-16 |
FR2762711A1 (fr) | 1998-10-30 |
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