EP0427139B1 - Commutateur - Google Patents
Commutateur Download PDFInfo
- Publication number
- EP0427139B1 EP0427139B1 EP90121035A EP90121035A EP0427139B1 EP 0427139 B1 EP0427139 B1 EP 0427139B1 EP 90121035 A EP90121035 A EP 90121035A EP 90121035 A EP90121035 A EP 90121035A EP 0427139 B1 EP0427139 B1 EP 0427139B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- microcontacts
- support
- switch according
- actuator
- 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
Links
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
- H01H19/54—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
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/63—Contacts actuated by axial cams
-
- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/01—Actuators other then push button also rotatable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/014—Slide selector
Definitions
- the present invention relates to a mechanically actuated switch.
- Switches of this type generally include a control lever that can move in rotation or in translation and a switching member.
- This member comprises fixed contact elements and an axis actuated by the control lever, which supports movable contact elements capable of being applied to some of the fixed contact elements. It occupies a volume which is imposed by the mechanism making the two types of contact elements cooperate. In some highly integrated devices, this volume is incompatible with space constraints.
- the present invention thus relates to a compact switch, having a large seal, in which this sub-assembly is substantially simplified.
- the switch according to the invention comprises a control lever and a switching member fixed on a support and provided with a plurality of microswitches, the control lever having at least one actuating cam, this switch further comprising means for move the control lever so that the actuating cam can successively actuate at least two of the microswitches, and is characterized in that the switching member is produced according to the technology of bubble faceplates, and in that the cam actuation is constantly evolving at the same distance from the support.
- the support comprises notches and the control lever comprises an indexing device which cooperates with these notches so as to immobilize the actuating cam on one of the micro-contacts.
- control lever is movable in rotation.
- control lever is movable in translation.
- each of the microswitches is covered with a bubble.
- the microswitches are covered by a single pattern.
- the electrical conductors connected to the microswitches are combined in a comb which is designed to fit into a connector for flexible circuits.
- the switch shown in section in FIG. 1 and seen from above in FIG. 2 comprises a control lever 1 of the button type provided with an actuating cam 2.
- This button is fixed to an axis 3 by gluing, by screwing or by any known means, this axis being maintained on a support 4 by means of a shoulder 5 and being able to rotate on itself.
- It also includes an indexing device of the type comprising a ball 6 which can engage in one of the notches 7 of the support 4.
- the switch also includes a switching member 8 fixed on the support 4.
- the switching is carried out according to the known technology of bubble faceplates which is used in particular for the manufacture of keyboards. It comprises an active layer 9 covered on its upper face with an external layer 10 which supports the bubbles 11, and on its lower face with an adhesive layer 12 which ensures the attachment to the upper face of the support 4.
- the bubbles 11 are arranged on a circle whose radius is equal to the distance which separates the actuating cam 2 from the axis of the control button 1.
- the active layer 9 comprises at the center of each bubble 11 a micro-contact 15 which establishes the electrical connection between two electrical conductors 16, 17 if the bubble is subjected to a pressure exerted perpendicular to the plane of the support 4 by the actuating cam 2 When the pressure is released, the contact opens under the effect of the elasticity of the bubble. All of the microswitch conductors are joined together in a comb 18 which is inserted into a connector for flexible circuits. This type of connection is also known in the manufacture of keyboards.
- the seal is ensured by the system of the bubble plastron type because, unlike known devices, the switching member has no mechanical connection with an external component. Switching takes place by pressing. In addition, the size of the switching member is reduced to the thickness of a film.
- switching member 8 and the control button 1 are located on the same side of the support 4. In an alternative embodiment shown in FIG. 4, they are located on either side of this support. Only the essential elements of the system have been shown schematically.
- the ball 6 and the notches 7 are located either on one side or the other of the support 4.
- control button is provided with a single actuating cam. Without departing from the scope of the invention, it may include several.
- the invention has been described in relation to a rotary switch. It also applies to a linear switch shown in section in Figure 5 and viewed from above in Figure 6.
- the support 4 has a groove 30.
- the shoulder 5 of the axis 3 of the control button is arranged so so that this button is held substantially in contact with the support 4 and can slide in the groove 30.
- the microswitches 15, the bubbles 11 and the notches 7 which have the same action here as in the rotary switch, are placed parallel to the groove 30 so that the control button 1 which is stationary in rotation acts correctly on each elementary contact.
- the rotary switch it has been envisaged to replace the bubbles with a section of torus, here it is possible to replace them with a pattern such as a section of cylinder.
- the groove 30 which is rectilinear in Figure 6, can take a curved shape without departing from the scope of the invention.
Landscapes
- Switches With Compound Operations (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Lock And Its Accessories (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Push-Button Switches (AREA)
- Vehicle Body Suspensions (AREA)
- Slide Switches (AREA)
- Paper (AREA)
- Radiation-Therapy Devices (AREA)
- Photoreceptors In Electrophotography (AREA)
- Mechanisms For Operating Contacts (AREA)
- Motor Or Generator Current Collectors (AREA)
- Electrophonic Musical Instruments (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8914692A FR2654250B1 (fr) | 1989-11-09 | 1989-11-09 | Commutateur. |
FR8914692 | 1989-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0427139A1 EP0427139A1 (fr) | 1991-05-15 |
EP0427139B1 true EP0427139B1 (fr) | 1995-02-22 |
Family
ID=9387227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90121035A Expired - Lifetime EP0427139B1 (fr) | 1989-11-09 | 1990-11-02 | Commutateur |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0427139B1 (sv) |
AT (1) | ATE118921T1 (sv) |
DE (1) | DE69017147T2 (sv) |
DK (1) | DK0427139T3 (sv) |
ES (1) | ES2069652T3 (sv) |
FI (1) | FI98004C (sv) |
FR (1) | FR2654250B1 (sv) |
NO (1) | NO179429C (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10203114A1 (de) * | 2002-01-25 | 2003-07-31 | Oliver Voelckers | Stellelement auf der Basis eines Folienschalters zur Bedienung eines elektronisch gesteuerten elektrischen Gerätes und Verfahren zur Auswertung der durch das Stellelement ausgelösten Schaltimpulse |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3377604A (en) * | 1967-04-26 | 1968-04-09 | Acton Lab Inc | Electrical devices with frictionless flexible contacts |
DE3636575A1 (de) * | 1986-10-28 | 1988-05-05 | Standard Elektrik Lorenz Ag | Drehschalter |
SU1415258A1 (ru) * | 1987-01-22 | 1988-08-07 | Предприятие П/Я А-3327 | Коммутационное устройство |
-
1989
- 1989-11-09 FR FR8914692A patent/FR2654250B1/fr not_active Expired - Fee Related
-
1990
- 1990-11-02 EP EP90121035A patent/EP0427139B1/fr not_active Expired - Lifetime
- 1990-11-02 ES ES90121035T patent/ES2069652T3/es not_active Expired - Lifetime
- 1990-11-02 DK DK90121035.1T patent/DK0427139T3/da active
- 1990-11-02 DE DE69017147T patent/DE69017147T2/de not_active Expired - Fee Related
- 1990-11-02 AT AT90121035T patent/ATE118921T1/de not_active IP Right Cessation
- 1990-11-07 FI FI905524A patent/FI98004C/sv not_active IP Right Cessation
- 1990-11-07 NO NO904837A patent/NO179429C/no unknown
Also Published As
Publication number | Publication date |
---|---|
FI98004B (sv) | 1996-12-13 |
NO179429C (no) | 1996-10-02 |
EP0427139A1 (fr) | 1991-05-15 |
FI98004C (sv) | 1997-03-25 |
DE69017147D1 (de) | 1995-03-30 |
NO179429B (no) | 1996-06-24 |
DE69017147T2 (de) | 1995-06-22 |
ES2069652T3 (es) | 1995-05-16 |
FR2654250A1 (fr) | 1991-05-10 |
DK0427139T3 (da) | 1995-06-06 |
FR2654250B1 (fr) | 1995-10-13 |
NO904837L (no) | 1991-05-10 |
ATE118921T1 (de) | 1995-03-15 |
NO904837D0 (no) | 1990-11-07 |
FI905524A0 (sv) | 1990-11-07 |
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