EP2206132A1 - Actuator - Google Patents

Actuator

Info

Publication number
EP2206132A1
EP2206132A1 EP08803489A EP08803489A EP2206132A1 EP 2206132 A1 EP2206132 A1 EP 2206132A1 EP 08803489 A EP08803489 A EP 08803489A EP 08803489 A EP08803489 A EP 08803489A EP 2206132 A1 EP2206132 A1 EP 2206132A1
Authority
EP
European Patent Office
Prior art keywords
actuator
display
spring bar
display surface
actuating
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.)
Granted
Application number
EP08803489A
Other languages
German (de)
French (fr)
Other versions
EP2206132B1 (en
Inventor
Anja Voigt
Rudolf Zimmermann
Johann Demleitner
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP2206132A1 publication Critical patent/EP2206132A1/en
Application granted granted Critical
Publication of EP2206132B1 publication Critical patent/EP2206132B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"

Definitions

  • the invention relates to an actuator which is provided for switching a switching unit and has a mechanical display, wherein the mechanical display has a window and a recognizable by the window display area. Furthermore, the invention relates to an electromechanical command device with a switchable by such an actuator switching unit.
  • Electromechanical command devices are widely used to operate and control machinery and equipment. These occur in different forms, e.g. as a push button, toggle switch, key switch or emergency stop switch on. Control devices are mounted on control panels, control panels, control cabinet doors or enclosure covers. By manual operation of the command devices electrical Kunststoff- state changes and thus the desired control effects generated. Command devices are equipped as standard with a mechanical display to indicate prevailing switching states, with the mechanical display optionally being fitted alternatively or additionally with an illuminated or illuminated unit.
  • the invention has for its object to provide an actuator with a space-saving, visual display.
  • an actuator of the type mentioned above in that the display surface is connected to an attached to the actuating part of the actuator spring bar and is provided during an actuation movement of the actuating part together with at least a portion of the spring bar for partially rotating about an axis of rotation which is oriented substantially perpendicular to the actuating movement of the actuating part.
  • an electromechanical command device in particular an emergency stop switch, with a switchable by such an actuator switching unit.
  • the aim is to move a display area behind a window of the command device, in particular of the actuator, in such a way that at least one display area is moved into or out of the window.
  • several display areas such as e.g. two or more display surfaces conceivable that are seen at different switching states each by the user through the window.
  • the mechanical display of the command device has one or more windows, one or more display surfaces and one or more attached to the actuating part of the actuator spring bars.
  • a spring bar is equipped with one or more display areas. coupled, connected or even connected in one piece.
  • the spring bar and the intended display area or intended display areas together form an indicator.
  • the spring bar has the task of holding the display surface and, due to its elastic property and length, being able to move the display surface in a defined manner behind or in the window. Due to the mechanical or integral connection of the spring bar with the operating part or one of its components, the spring bar and its display surface, ie the entire indicator, carry out the actuating movement of the operating part.
  • the spring bar is forced to at least partially change its relative position to the operating part. This happens because the spring bar to a fixed component, such as a fixed rosette, abuts and is resiliently stressed.
  • the spring bar for movement in the direction of actuation also performs a partial rotational movement, which takes place about a rotational axis which is oriented perpendicular to the actuating movement.
  • a part of the actuating force which is transmitted via the actuating part, deflected by the non-moving (fixed) component such that an elastic stress of the spring bar and thus a movement of the display surface takes place.
  • the optical display is realized by a purely mechanical operating principle independent of a power supply. No additional wiring effort is required for the user.
  • the display works reliably, especially as electrical sources of error, such as defective bulbs are excluded.
  • the spring bar is provided during the actuating movement to the elastic load.
  • a spring bar is advantageous, which is similar to leaf spring, and a small in relation to its length cross-section, in particular a wire-like body, which is easy to integrate into the interior of the actuator and the friction by low deformation forces keeps low.
  • the spring bar is provided to be applied to the actuating part during the actuating movement.
  • Such a system of the spring web on the actuating part may optionally define an axis of rotation for the rotational movement of the display surface.
  • the bearing point is also a radius for the rotational movement, and thus a deflection of the display surface, can be fixed.
  • the rotational movement of the display surface can be triggered by a stationary component, which forces the spring bar when actuated in a different relative position to the actuating part.
  • the forced movement of the spring bar is supported by means of noses and / or bevels. This is especially true for the rotational movement.
  • the lugs and / or beads are provided to support a point contact between the spring bar and stationary component.
  • Beads represent punctiform or linear elevations or granulations of the spring bar. Due to the punctual contact, the friction which occurs at the point of contact of the spring bar with the stationary component is largely reduced. This facilitates on the one hand the actuation of the actuator, reduces operating noise and increases the service life.
  • the spring bar is made very long, so that even a small elastic load thereof in the sense of a leverage effect to a large deflection, i. leads to large deflection angles.
  • large-scale display surfaces can be used, which allow better visualization of the state to be displayed.
  • FIG. 1 shows a sectional view of an actuator of an emergency stop switch in the unactuated state with two mechanical displays
  • FIG 3 shows a sectional view of the display mechanism of the actuator of FIG 1 in the actuated state
  • FIG 4 shows a sectional view of the actuator of the emergency stop switch of FIG 1 in the actuated state.
  • FIG. 1 shows a sectional view of an actuator 1 of an emergency stop switch in the unactuated state with two mechanical displays, which are visible to the user through two windows 6.1,6.2.
  • the two windows 6.1,6.2 are in the mushroom head, formed of mushroom lid 11 and the mushroom skirt 5, the actuator 1 housed and formed of transparent plastic.
  • a window does not necessarily have to be formed from a transparent material, but can only consist of a possibly correspondingly shaped hole.
  • the number of optical signal displays (displays) within the mushroom cover 11, and the actuator 1 can be varied.
  • the not completely shown emergency-off switch is in the unactuated state in which the display surfaces 3.1 and 3.2 can be seen by the user through the windows 6.1,6.2.
  • the windows 6.1,6.2 are realized as inserts, which are overmolded by the plastic of the mushroom cover 11. This eliminates snap hooks or similar geometries that could limit the visibility of the display surfaces 3.1.3.2. It is also possible to produce in multicomponent injection molding.
  • the display mechanisms of the two mechanical, visual displays each include two indicators, each formed from a spring bar 8.1,8.2 and the associated display surface 3.1.3.2.
  • the display mechanism also includes the rosette 4, which does not participate as a fixed component of the actuator 1 on the actuating movement and the elastic deformation of the rosette 4 to movable spring bar 8.1,8.2. is provided.
  • the spring bar 8.1 is attached to the actuating part 7 so that it is able to follow the linear actuating movement B.
  • the spring bar 8.1 is in an elastically unclaimed state, wherein the spring bar 8.1 is disposed above the fixed rosette 4 and rests against the mushroom skirt 5.
  • the rosette 4 is mechanically fixed as a fixed component, for example on a front panel or control panel.
  • the spring bar 8.1 with the display surface 3.1 in the direction of actuation B are moved in addition to the mushroom cover 11 and the mushroom apron.
  • the upper part of the spring bar 8.1 performs a partial rotational movement D, with the result that the display surface 3.1 moves closer to the center of the actuator 1.
  • Such a mechanism works accordingly, even if the actuating movement B is not a linear movement (as shown in FIG 2), but is also functional, even if the actuating movement is a rotary movement.
  • the actuator or the actuating part may have an at least partially round shape, as well as the fixed component in order to ensure optimal support of this rotational movement.
  • the display mechanism according to the invention does not necessarily have to be combined with an emergency stop switch, but it can be used with all command devices that operate on the basis of switching elements.
  • the display surface 3.1 itself shows a single state (emergency stop unactuated). In a second state (emergency stop actuated), the display surface 3.1 is not visible in the window 6.1. The user looks through the window 6.1 into the interior of the command device, giving the impression of a black display color. In addition to this, the display surface 3.1 could have a white or otherwise light color. This also applies to both display surfaces 3.1.3.2 of FIG 1. A reverse color change is just as feasible, for example, starting from a fixed bright display area behind the windows 6.1, 6.2, which is released when actuated by the display surface 3.1.3.2.
  • FIG. 2 also apply correspondingly to the left-hand display mechanism of the emergency-off switch from FIG. 1.
  • FIG 3 shows a sectional view of the right display mechanism of the actuator 1 of FIG 1 in the actuated state.
  • the spring bar 8.1 is located in the actuated state substantially between the fixed rosette 4 and the system 9.1 of the operating part 7. Due to a rotational movement D, the display area 3.1 now assumes a different angle to the actuating part 7 and also to the window 6.1.
  • the actuating part 7 has a surface 9.1, which acts as an abutment for the spring bar 8.1 and is also referred to below as Appendix 9.1.
  • the spring bar 8.1 rests, inter alia, in point 10.1 of the system 9.1, the point 10.1 indicating the axis of rotation 10.1 for the partial rotary movement D according to the invention, which protrudes perpendicularly from the plane of the drawing.
  • the localization of the axis of rotation can be provided at different locations. The further down it is situated on the spring bar 8.1, the greater is the angle that the display surface 3.1 passes over when actuated. If smaller angles are desired, a position between the display surface 3.1 and the fastening point can be determined by contact with the actuating part 7 by a corresponding shaping or bending of the spring bar 8.1.
  • the spring webs 8.1,8.2 can possibly be pressed inwards by noses attached thereto, for example via bevels in the rosette. On these lugs beads are optional to bring that allow a punctiform instead of a linear contact between the spring bars 8.1,8.2 and the rosette 4. The friction losses can therefore be kept low on a corresponding shape of the beads. At the same time, the noise formation during actuation or unlocking can be reduced by this measure.
  • the reduction of friction also causes by the predetermined actuation of the emergency stop switch in the Rule 4 mm, a shift of the display surface 3.1 in the mushroom head can be implemented more effectively. This leads to larger displacement paths and thus also to a larger display area 3.1 or a larger window 6.1.
  • FIG. 3 also apply correspondingly to the left-hand display mechanism of the emergency stop switch from FIG. 1.
  • FIG 4 shows a sectional view of the actuator 1 of the emergency stop switch of FIG 1 in the actuated state.
  • the user sees through the windows 6.1,6.2 into the interior of the emergency stop switch, the impression of the color being "black”.
  • the display surfaces 3.1.3.2 are located under non-transparent parts of the mushroom cover 11. Due to the executed during the operation of the rotational movement D now elastically maximum claimed spring bars 8.1,8.2 take the display surfaces 3.1.3.2 another angle to the operating part 7 and also to the windows 6.1 , 6.2 on as in the unactuated state.
  • the invention relates to an actuator with a mechanical display, wherein the actuator is provided for switching a switching unit and whose mechanical display has a window and a recognizable by the window display area.
  • the invention is based on the finding that previous mechanical displays bring a large amount of space within the command device with it and are also error-prone.
  • the problem of space-saving integration is solved by a display surface which is connected to a mounted on the operating part spring bar and the display surface is provided during the actuating movement together with at least a portion of the spring bar for partial rotation about a rotation axis.
  • the invention relates to an electromechanical control device with a switchable by such an actuator switching unit.

Abstract

The invention relates to an actuator (1) comprising a mechanical display, wherein the actuator is provided for switching a switch unit, and the mechanical display comprises a window (6.1, 6.2) and a display surface (3.1, 3.2) visible through the window. The invention is based on the insight that prior mechanical displays require a great deal of space within the command device, and are also prone to failure. The problem of space-saving integration is solved by a display surface formed on the spring bar (8.1, 8.2) mounted on the actuation part (7), and the display surface, together with at least a part of the spring bar, is intended to make a partial rotary motion (D) about a rotary axis (10.1, 10.2) during the actuation motion (B). In addition to the space-saving integration, a greater displacement of the display surface is also thus achieved. The invention further relates to an electromechanical operating device having a switch unit that can be switched by such an actuator.

Description

Beschreibungdescription
Betätigeractuator
Die Erfindung betrifft einen Betätiger, der zur Schaltung einer Schalteinheit vorgesehen ist und eine mechanische Anzeige aufweist, wobei die mechanische Anzeige ein Fenster und eine durch das Fenster erkennbare Anzeigefläche aufweist. Des Weiteren betrifft die Erfindung ein elektromechanisches Befehls- gerät mit einer durch einen derartigen Betätiger schaltbaren Schalteinheit .The invention relates to an actuator which is provided for switching a switching unit and has a mechanical display, wherein the mechanical display has a window and a recognizable by the window display area. Furthermore, the invention relates to an electromechanical command device with a switchable by such an actuator switching unit.
Elektromechanische Befehlsgeräte werden zur Bedienung und Steuerung von Maschinen und Anlagen weitläufig verwendet. Diese treten in verschiedenen Ausprägungen z.B. als Drucktaster, Knebelschalter, Schlüsselschalter oder Not-Aus-Schalter auf. Befehlsgeräte werden auf Schalttafeln, Bedientableaus, Schaltschranktüren oder Gehäusedeckeln montiert. Durch manuelles Betätigen der Befehlsgeräte werden elektrische Schalt- zustandsänderungen und damit die gewünschten Steuerungseffekte erzeugt. Befehlsgeräte werden standardmäßig mit einer mechanischen Anzeige ausgerüstet, um herrschende Schaltzustände anzuzeigen, wobei die mechanische Anzeige ggf. alternativ o- der zusätzlich mit einer beleuchtbaren oder beleuchteten Ein- heit bestückt ist.Electromechanical command devices are widely used to operate and control machinery and equipment. These occur in different forms, e.g. as a push button, toggle switch, key switch or emergency stop switch on. Control devices are mounted on control panels, control panels, control cabinet doors or enclosure covers. By manual operation of the command devices electrical Schalt- state changes and thus the desired control effects generated. Command devices are equipped as standard with a mechanical display to indicate prevailing switching states, with the mechanical display optionally being fitted alternatively or additionally with an illuminated or illuminated unit.
Die Forderung nach einer integrierten optischen Anzeige, bei der es sich sowohl um eine mechanische und/oder elektrische Schaltanzeige handelt, stellt sich die Problematik der Unter- bringung der erforderlichen Bauteile, da das Gesamtvolumen des Gerätes, insbesondere durch einen genormten Einbaudurchmesser (z.B. 22,5 mm), nur in engen Grenzen variiert werden kann. Bisher wurde, wenn eine Integration der Anzeige in das Befehlsgerät nicht möglich war, meist eine zusätzliche Be- fehlsstelle, beispielsweise mit einem Leuchtmelder, angebracht. Aufgrund des zusätzlichen Platzbedarfs z.B. auf einer Schalttafel der Installationseinheit und der zwingenden Ver- wendung einer separaten Anzeige ist diese Lösung unvorteilhaft.The demand for an integrated optical display, which is both a mechanical and / or electrical switching display, raises the problem of accommodating the required components, since the total volume of the device, in particular by a standardized mounting diameter (eg 22, 5 mm), can only be varied within narrow limits. So far, if an integration of the display in the command device was not possible, usually an additional authority, for example, with a light-emitting, attached. Due to the additional space required eg on a control panel of the installation unit and the compulsory Using a separate advertisement, this solution is unfavorable.
Aus bisherigen Lösungen ist eine mechanische Anzeige für Not- Aus-Pilzköpfe bekannt, die eine lineare Betätigungsbewegung in eine Bewegung eines Anzeigeelementes umwandelt. Allerdings ist die Auslenkung der Bewegung des Anzeigeelementes eingeschränkt, da der Platzbedarf des Anzeigemechanismus sonst zu hoch wäre.From previous solutions, a mechanical display for emergency stop mushroom heads is known, which converts a linear actuation movement into a movement of a display element. However, the deflection of the movement of the display element is limited because the space requirement of the display mechanism would otherwise be too high.
Der Erfindung liegt die Aufgabe zugrunde, einen Betätiger mit einer platzsparenden, optischen Anzeige anzugeben.The invention has for its object to provide an actuator with a space-saving, visual display.
Diese Aufgabe wird durch einen Betätiger der eingangs genann- ten Art dadurch gelöst, dass die Anzeigefläche mit einem an das Betätigungsteil des Betätigers angebrachten Federsteg verbunden ist und während einer Betätigungsbewegung des Betätigungsteils zusammen mit zumindest einem Teil des Federsteges zur teilweisen Drehbewegung um eine Drehachse vorgesehen ist, die im Wesentlichen senkrecht zur Betätigungsbewegung des Betätigungsteils orientiert ist. Weiter wird die Aufgabe durch ein elektromechanisches Befehlsgerät, insbesondere einem Not-Aus Schalter, mit einer durch einen derartigen Betätiger schaltbaren Schalteinheit gelöst.This object is achieved by an actuator of the type mentioned above in that the display surface is connected to an attached to the actuating part of the actuator spring bar and is provided during an actuation movement of the actuating part together with at least a portion of the spring bar for partially rotating about an axis of rotation which is oriented substantially perpendicular to the actuating movement of the actuating part. Further, the object is achieved by an electromechanical command device, in particular an emergency stop switch, with a switchable by such an actuator switching unit.
Ziel ist es, eine Anzeigefläche hinter einem Fenster des Befehlsgerätes, insbesondere des Betätigers, derart zu bewegen, dass mindestens eine Anzeigefläche in das Fenster hinein- o- der aus diesem hinausbewegt wird. Alternativ sind auch mehre- re Anzeigeflächen, wie z.B. zwei oder mehrere Anzeigeflächen denkbar, die bei unterschiedlichen Schaltzuständen jeweils vom Benutzer durch das Fenster zu sehen sind.The aim is to move a display area behind a window of the command device, in particular of the actuator, in such a way that at least one display area is moved into or out of the window. Alternatively, several display areas, such as e.g. two or more display surfaces conceivable that are seen at different switching states each by the user through the window.
Die mechanische Anzeige des Befehlsgerätes, insbesondere des Not-Aus-Schalters, weist ein oder mehrere Fenster, ein oder mehrere Anzeigeflächen und ein oder mehrere an das Betätigungsteil des Betätigers angebrachte Federstege auf. Ein Federsteg ist mit einer Anzeigefläche oder mehrerer Anzeigeflä- chen gekoppelt, verbunden oder sogar einstückig verbunden. Der Federsteg und die vorgesehene Anzeigefläche bzw vorgesehenen Anzeigenflächen bilden zusammen einen Anzeiger. Der Federsteg hat zum einen die Aufgabe, die Anzeigefläche zu hal- ten und aufgrund seiner elastischen Eigenschaft und Länge die Anzeigefläche definiert hinter oder im Fenster bewegen zu können. Aufgrund der mechanischen oder einstückigen Verbindung des Federsteges mit dem Betätigungsteil oder einem seiner Bauteile vollziehen der Federsteg und dessen Anzeigeflä- che, d.h. der ganze Anzeiger, die Betätigungsbewegung des Betätigungsteils mit. Weiter wird der Federsteg gezwungen, seine relative Position zum Betätigungsteil zumindest teilweise zu ändern. Dies geschieht dadurch, dass der Federsteg an ein feststehendes Bauteil, wie beispielsweise eine feststehende Rosette, anstößt und elastisch beansprucht wird. Zusätzlich führt nun der Federsteg zur Bewegung in Betätigungsrichtung auch noch eine teilweise Drehbewegung aus, die um eine Drehachse stattfindet, die senkrecht zur Betätigungsbewegung orientiert ist. Letztendlich wird ein Teil der Betätigungskraft, die über das Betätigungsteil übertragen wird, durch das nicht bewegte (feststehende) Bauteil derartig umgelenkt, dass eine elastische Beanspruchung des Federsteges und somit eine Bewegung der Anzeigefläche erfolgt.The mechanical display of the command device, in particular the emergency stop switch, has one or more windows, one or more display surfaces and one or more attached to the actuating part of the actuator spring bars. A spring bar is equipped with one or more display areas. coupled, connected or even connected in one piece. The spring bar and the intended display area or intended display areas together form an indicator. On the one hand, the spring bar has the task of holding the display surface and, due to its elastic property and length, being able to move the display surface in a defined manner behind or in the window. Due to the mechanical or integral connection of the spring bar with the operating part or one of its components, the spring bar and its display surface, ie the entire indicator, carry out the actuating movement of the operating part. Further, the spring bar is forced to at least partially change its relative position to the operating part. This happens because the spring bar to a fixed component, such as a fixed rosette, abuts and is resiliently stressed. In addition, now the spring bar for movement in the direction of actuation also performs a partial rotational movement, which takes place about a rotational axis which is oriented perpendicular to the actuating movement. Finally, a part of the actuating force, which is transmitted via the actuating part, deflected by the non-moving (fixed) component such that an elastic stress of the spring bar and thus a movement of the display surface takes place.
Vorteilhafterweise wird die optische Anzeige durch ein rein mechanisches Wirkprinzip unabhängig von einer Stromversorgung realisiert. Für den Anwender ist somit kein zusätzlicher Verdrahtungsaufwand erforderlich. Die Anzeige funktioniert zuverlässig, zumal elektrische Fehlerquellen, wie z.B. defekte Glühlampen ausgeschlossen sind.Advantageously, the optical display is realized by a purely mechanical operating principle independent of a power supply. No additional wiring effort is required for the user. The display works reliably, especially as electrical sources of error, such as defective bulbs are excluded.
Vorteilhafterweise ist der Federsteg bei der Betätigungsbewegung zur elastischen Beanspruchung vorgesehen. Hierfür ist ein Federsteg vorteilhaft, der blattfederähnlich geformt ist, und einen im Verhältnis zu seiner Länge kleinen Querschnitt, insbesondere einen drahtähnlichen Körper, aufweist, der leicht in den Innenraum des Betätigers zu integrieren ist und die Reibung durch niedrige Verformungskräfte gering hält. Bei einer vorteilhaften Ausführungsform ist der Federsteg dazu vorgesehen, während der Betätigungsbewegung an das Betätigungsteil angelegt zu werden. Eine derartige Anlage des Fe- dersteges an das Betätigungsteil kann ggf. eine Drehachse für die Drehbewegung der Anzeigefläche definieren. Durch die Wahl des Anlagepunktes ist auch ein Radius für die Drehbewegung, und damit eine Auslenkung der Anzeigefläche, festlegbar.Advantageously, the spring bar is provided during the actuating movement to the elastic load. For this purpose, a spring bar is advantageous, which is similar to leaf spring, and a small in relation to its length cross-section, in particular a wire-like body, which is easy to integrate into the interior of the actuator and the friction by low deformation forces keeps low. In an advantageous embodiment, the spring bar is provided to be applied to the actuating part during the actuating movement. Such a system of the spring web on the actuating part may optionally define an axis of rotation for the rotational movement of the display surface. By the choice of the bearing point is also a radius for the rotational movement, and thus a deflection of the display surface, can be fixed.
Vorteilhafterweise ist die Drehbewegung der Anzeigefläche durch ein feststehendes Bauteil auslösbar, welches den Federsteg bei Betätigung in eine andere relative Position zum Betätigungsteil zwingt. Ggf. wird die erzwungene Bewegung des Federsteges mittels Nasen und/oder Schrägen unterstützt. Dies gilt insbesondere für die Drehbewegung.Advantageously, the rotational movement of the display surface can be triggered by a stationary component, which forces the spring bar when actuated in a different relative position to the actuating part. Possibly. the forced movement of the spring bar is supported by means of noses and / or bevels. This is especially true for the rotational movement.
Bei einer vorteilhaften Ausführungsform sind die Nasen und/oder Sicken zur Unterstützung einer punktuellen Berührung zwischen Federsteg und feststehendem Bauelement vorgesehen. Sicken stellen hierbei punktförmige oder linienförmige Erhöhungen oder Körnungen des Federsteges dar. Durch die punktu- elle Berührung wird die Reibung, die am Berührungspunkt des Federsteges mit dem feststehenden Bauelement auftritt, weitgehend reduziert. Dies erleichtert zum einen die Betätigung des Betätigers, reduziert Betätigungsgeräusche und erhöht die Lebensdauer .In an advantageous embodiment, the lugs and / or beads are provided to support a point contact between the spring bar and stationary component. Beads represent punctiform or linear elevations or granulations of the spring bar. Due to the punctual contact, the friction which occurs at the point of contact of the spring bar with the stationary component is largely reduced. This facilitates on the one hand the actuation of the actuator, reduces operating noise and increases the service life.
Bei einer vorteilhaften Ausführungsform ist der Federsteg sehr lang ausgeführt, so dass auch eine geringe elastische Beanspruchung desselben im Sinne einer Hebelwirkung zu einer großen Auslenkung, d.h. zu großen Auslenkwinkeln, führt. Hierdurch sind großflächige Anzeigeflächen einsetzbar, die eine bessere Visualisierung des anzuzeigenden Zustandes ermöglichen .In an advantageous embodiment, the spring bar is made very long, so that even a small elastic load thereof in the sense of a leverage effect to a large deflection, i. leads to large deflection angles. As a result, large-scale display surfaces can be used, which allow better visualization of the state to be displayed.
Weitere vorteilhafte Ausbildungen und Weiterbildungen der Erfindung sind in der Figurenbeschreibung und den Unteransprüchen angegeben. Im Folgenden wird die Erfindung anhand der in den Figuren dargestellten Ausführungsbeispiele näher beschrieben und er- läutert.Further advantageous embodiments and further developments of the invention are specified in the description of the figures and the subclaims. In the following, the invention will be described and explained in more detail with reference to the exemplary embodiments illustrated in the figures.
Es zeigen:Show it:
FIG 1 eine geschnittene Ansicht eines Betätigers eines Not- Aus-Schalters im unbetätigten Zustand mit zwei mechanischen Anzeigen,1 shows a sectional view of an actuator of an emergency stop switch in the unactuated state with two mechanical displays,
FIG 2 eine geschnittene Ansicht des Anzeigenmechanismus des2 is a sectional view of the display mechanism of
Betätigers aus FIG 1 im unbetätigten Zustand,Actuator of FIG 1 in the unactuated state,
FIG 3 eine geschnittene Ansicht des Anzeigenmechanismus des Betätigers aus FIG 1 im betätigten Zustand und3 shows a sectional view of the display mechanism of the actuator of FIG 1 in the actuated state and
FIG 4 eine geschnittene Ansicht vom Betätiger des Not-Aus- Schalters aus FIG 1 im betätigten Zustand.4 shows a sectional view of the actuator of the emergency stop switch of FIG 1 in the actuated state.
FIG 1 zeigt eine geschnittene Ansicht von einem Betätiger 1 eines Not-Aus-Schalters im unbetätigten Zustand mit zwei mechanischen Anzeigen, die für den Benutzer durch zwei Fenster 6.1,6.2 sichtbar sind.1 shows a sectional view of an actuator 1 of an emergency stop switch in the unactuated state with two mechanical displays, which are visible to the user through two windows 6.1,6.2.
Die beiden Fenster 6.1,6.2 sind im Pilzkopf, gebildet aus Pilzdeckel 11 und der Pilzschürze 5, des Betätigers 1 untergebracht und aus durchsichtigem Kunststoff gebildet. Im AIl- gemeinen muss ein Fenster nicht notwendigerweise aus einem durchsichtigen Material gebildet sein, sondern kann lediglich aus einem ggf. entsprechend geformten Loch bestehen. Ebenso kann die Anzahl der optischen Signalanzeigen (Anzeigen) innerhalb des Pilzdeckels 11, bzw. des Betätigers 1 variiert werden. Der nicht vollständig gezeigte Not-Aus-Schalter befindet sich im unbetätigten Zustand, in welchem die Anzeigeflächen 3.1 und 3.2 vom Benutzer durch die Fenster 6.1,6.2 zu sehen sind.The two windows 6.1,6.2 are in the mushroom head, formed of mushroom lid 11 and the mushroom skirt 5, the actuator 1 housed and formed of transparent plastic. In general, a window does not necessarily have to be formed from a transparent material, but can only consist of a possibly correspondingly shaped hole. Likewise, the number of optical signal displays (displays) within the mushroom cover 11, and the actuator 1 can be varied. The not completely shown emergency-off switch is in the unactuated state in which the display surfaces 3.1 and 3.2 can be seen by the user through the windows 6.1,6.2.
Vorteilhafterweise sind die Fenster 6.1,6.2 als Einlegeteile realisiert, die vom Kunststoff des Pilzdeckels 11 umgespritzt werden. Hierdurch entfallen Schnapphaken oder ähnliche Geometrien, die die Sichtbarkeit der Anzeigeflächen 3.1,3.2 einschränken könnten. Ebenso ist die Herstellung im Mehrkompo- nentenspritzguss möglich.Advantageously, the windows 6.1,6.2 are realized as inserts, which are overmolded by the plastic of the mushroom cover 11. This eliminates snap hooks or similar geometries that could limit the visibility of the display surfaces 3.1.3.2. It is also possible to produce in multicomponent injection molding.
Zu den Anzeigemechanismen der beiden mechanischen, optischen Anzeigen gehören jeweils zwei Anzeiger, die jeweils aus einem Federsteg 8.1,8.2 und der dazugehörigen Anzeigefläche 3.1,3.2 gebildet werden. Zum Anzeigemechanismus gehört auch die Rosette 4, die als feststehendes Bauteil des Betätigers 1 nicht an der Betätigungsbewegung teilhat und zur elastischen Verformung des auf die Rosette 4 zu bewegbaren Federsteges 8.1,8.2. vorgesehen ist.The display mechanisms of the two mechanical, visual displays each include two indicators, each formed from a spring bar 8.1,8.2 and the associated display surface 3.1.3.2. The display mechanism also includes the rosette 4, which does not participate as a fixed component of the actuator 1 on the actuating movement and the elastic deformation of the rosette 4 to movable spring bar 8.1,8.2. is provided.
FIG 2 zeigt eine geschnittene Ansicht des rechten Anzeigenmechanismus des Betätigers 1 aus FIG 1 im unbetätigten Zustand. Der Federsteg 8.1 ist an das Betätigungsteil 7 angebracht, so dass dieser der linearen Betätigungsbewegung B zu folgen im Stande ist. Der Federsteg 8.1 befindet sich in einem elastisch unbeanspruchten Zustand, wobei der Federsteg 8.1 oberhalb der feststehenden Rosette 4 angeordnet ist und an der Pilzschürze 5 anliegt. Die Rosette 4 ist als feststehendes Bauteil beispielsweise an einer Frontplatte oder Bedientafel mechanisch fixiert.2 shows a sectional view of the right display mechanism of the actuator 1 of FIG 1 in the unactuated state. The spring bar 8.1 is attached to the actuating part 7 so that it is able to follow the linear actuating movement B. The spring bar 8.1 is in an elastically unclaimed state, wherein the spring bar 8.1 is disposed above the fixed rosette 4 and rests against the mushroom skirt 5. The rosette 4 is mechanically fixed as a fixed component, for example on a front panel or control panel.
Bei Betätigung des Betätigers 1 werden neben dem Pilzdeckel 11 und der Pilz-Schürze 5 auch der Federsteg 8.1 mit der Anzeigefläche 3.1 in Betätigungsrichtung B bewegt. Gleichzeitig wird durch die Präsenz der Rosette 4 der obere Teil des Federsteges 8.1 um die Drehachse 10.1 gedreht, um zwischen der Rosette 4 und der Anlage 9.1 Platz zu finden. Der obere Teil des Federsteges 8.1 führt eine teilweise Drehbewegung D aus, mit dem Ergebnis, dass die Anzeigefläche 3.1 näher zum Zentrum des Betätigers 1 wandert.Upon actuation of the actuator 1, the spring bar 8.1 with the display surface 3.1 in the direction of actuation B are moved in addition to the mushroom cover 11 and the mushroom apron. At the same time is rotated by the presence of the rosette 4, the upper part of the spring bar 8.1 about the axis of rotation 10.1 to find between the rosette 4 and the plant 9.1 place. The upper part of the spring bar 8.1 performs a partial rotational movement D, with the result that the display surface 3.1 moves closer to the center of the actuator 1.
Ein derartiger Mechanismus funktioniert entsprechend auch dann, wenn die Betätigungsbewegung B keine lineare Bewegung (wie in FIG 2 gezeigt) ist, sondern ist auch dann funktional, wenn auch die Betätigungsbewegung eine Drehbewegung darstellt. Hierfür kann der Betätiger bzw das Betätigungsteil eine zumindest teilweise runde Ausformung aufweisen, sowie auch das feststehende Bauteil, um eine optimale Unterstützung dieser Drehbewegung zu gewährleisten.Such a mechanism works accordingly, even if the actuating movement B is not a linear movement (as shown in FIG 2), but is also functional, even if the actuating movement is a rotary movement. For this purpose, the actuator or the actuating part may have an at least partially round shape, as well as the fixed component in order to ensure optimal support of this rotational movement.
Es sei darauf hingewiesen, dass der erfindungsgemäße Anzeigemechanismus nicht notwendigerweise mit einem Not-Aus-Schalter kombiniert werden muss, sondern er ist bei allen Befehlsgeräten einsetzbar, die auf der Basis von Schaltelementen arbeiten .It should be noted that the display mechanism according to the invention does not necessarily have to be combined with an emergency stop switch, but it can be used with all command devices that operate on the basis of switching elements.
Vorteilhafterweise zeigt die Anzeigefläche 3.1 selbst jeweils einen einzigen Zustand (Not-Aus unbetätigt) an. Bei einem zweiten Zustand (Not-Aus betätigt) ist die Anzeigefläche 3.1 im Fenster 6.1 nicht zu sehen. Der Benutzer sieht durch das Fenster 6.1 in das Innere des Befehlsgerätes hinein, womit der Eindruck einer schwarzen Anzeigefarbe entsteht. Komple- mentär dazu könnte die Anzeigefläche 3.1 eine weiße oder anderweitige helle Farbe aufweisen. Dies gilt auch für beide Anzeigeflächen 3.1,3.2 der FIG 1. Ein umgekehrter Farbwechsel ist genauso realisierbar, wenn man beispielsweise von einer feststehenden hellen Anzeigefläche hinter den Fenstern 6.1, 6.2 ausgeht, die bei Betätigung von der Anzeigefläche 3.1,3.2 freigegeben wird.Advantageously, the display surface 3.1 itself shows a single state (emergency stop unactuated). In a second state (emergency stop actuated), the display surface 3.1 is not visible in the window 6.1. The user looks through the window 6.1 into the interior of the command device, giving the impression of a black display color. In addition to this, the display surface 3.1 could have a white or otherwise light color. This also applies to both display surfaces 3.1.3.2 of FIG 1. A reverse color change is just as feasible, for example, starting from a fixed bright display area behind the windows 6.1, 6.2, which is released when actuated by the display surface 3.1.3.2.
Die Ausführungen zu FIG 2 gelten entsprechend auch für den linken Anzeigemechanismus des Not-Aus Schalters aus FIG 1.The explanations regarding FIG. 2 also apply correspondingly to the left-hand display mechanism of the emergency-off switch from FIG. 1.
FIG 3 zeigt eine geschnittene Ansicht des rechten Anzeigenmechanismus des Betätigers 1 aus FIG 1 im betätigten Zustand. Der Federsteg 8.1 befindet sich im betätigten Zustand im Wesentlichen zwischen der feststehenden Rosette 4 und der Anlage 9.1 des Betätigungsteils 7. Aufgrund einer Drehbewegung D nimmt die Anzeigefläche 3.1 nun einen anderen Winkel zum Be- tätigungsteil 7 und auch zu dem Fenster 6.1 ein. Das Betätigungsteil 7 weist eine Fläche 9.1 auf, die als Anlage für den Federsteg 8.1 fungiert und im Folgenden auch als Anlage 9.1 bezeichnet wird.3 shows a sectional view of the right display mechanism of the actuator 1 of FIG 1 in the actuated state. The spring bar 8.1 is located in the actuated state substantially between the fixed rosette 4 and the system 9.1 of the operating part 7. Due to a rotational movement D, the display area 3.1 now assumes a different angle to the actuating part 7 and also to the window 6.1. The actuating part 7 has a surface 9.1, which acts as an abutment for the spring bar 8.1 and is also referred to below as Appendix 9.1.
Der Federsteg 8.1 liegt unter anderen im Punkt 10.1 der Anlage 9.1 an, wobei der Punkt 10.1 die Drehachse 10.1 für die erfindungsgemäße teilweise Drehbewegung D anzeigt, die senkrecht aus der Zeichenebene herausragt. Die Lokalisierung der Drehachse kann an unterschiedlichen Stellen vorgesehen sein. Je weiter unten sie am Federsteg 8.1 gelegen ist, umso größer ist der Winkel, den die Anzeigefläche 3.1 bei Betätigung ü- berstreicht. Sind kleinere Winkel gewünscht, so kann durch eine entsprechende Formgebung oder Biegung des Federsteges 8.1 eine Position zwischen der Anzeigefläche 3.1 und dem Be- festigungspunkt durch die Berührung mit dem Betätigungsteil 7 festgelegt werden.The spring bar 8.1 rests, inter alia, in point 10.1 of the system 9.1, the point 10.1 indicating the axis of rotation 10.1 for the partial rotary movement D according to the invention, which protrudes perpendicularly from the plane of the drawing. The localization of the axis of rotation can be provided at different locations. The further down it is situated on the spring bar 8.1, the greater is the angle that the display surface 3.1 passes over when actuated. If smaller angles are desired, a position between the display surface 3.1 and the fastening point can be determined by contact with the actuating part 7 by a corresponding shaping or bending of the spring bar 8.1.
Es ist durchaus denkbar auf der Anzeigefläche 3.1 zwei oder mehr Anzeigesegmente, bzw. mehrere Signalfarben aufzubringen, die unterschiedliche Schaltzustände anzeigen.It is quite conceivable on the display surface 3.1 two or more display segments, or apply several signal colors that indicate different switching states.
Die Federstege 8.1,8.2 können ggf. durch daran angebrachte Nasen, beispielsweise über Schrägen in der Rosette nach innen gedrückt werden. Auf diesen Nasen sind Sicken optional anzu- bringen, die eine punktförmige anstatt einer linienförmigen Berührung zwischen den Federstegen 8.1,8.2 und der Rosette 4 ermöglichen. Die Reibungsverluste können demzufolge über eine entsprechende Ausformung der Sicken gering gehalten werden. Gleichzeitig kann durch diese Maßnahme die Geräuschbildung bei der Betätigung bzw. Entriegelung reduziert werden.The spring webs 8.1,8.2 can possibly be pressed inwards by noses attached thereto, for example via bevels in the rosette. On these lugs beads are optional to bring that allow a punctiform instead of a linear contact between the spring bars 8.1,8.2 and the rosette 4. The friction losses can therefore be kept low on a corresponding shape of the beads. At the same time, the noise formation during actuation or unlocking can be reduced by this measure.
Die Verringerung der Reibung bewirkt ebenso, dass durch den vorgegebenen Betätigungsweg des Not-Aus-Schalters von in der Regel 4 mm eine Verschiebung der Anzeigefläche 3.1 im Pilz- Kopf effektiver umgesetzt werden kann. Dies führt zu größeren Verschiebewegen und somit auch zu einer größeren Anzeigefläche 3.1 bzw. einem größeren Fenster 6.1.The reduction of friction also causes by the predetermined actuation of the emergency stop switch in the Rule 4 mm, a shift of the display surface 3.1 in the mushroom head can be implemented more effectively. This leads to larger displacement paths and thus also to a larger display area 3.1 or a larger window 6.1.
Die Ausführungen zu FIG 3 gelten entsprechend auch für den linken Anzeigemechanismus des Not-Aus Schalters aus FIG 1.The comments on FIG. 3 also apply correspondingly to the left-hand display mechanism of the emergency stop switch from FIG. 1.
FIG 4 zeigt eine geschnittene Ansicht vom Betätiger 1 des Not-Aus-Schalters aus FIG 1 im betätigten Zustand. Im betätigten Zustand sieht der Benutzer durch die Fenster 6.1,6.2 in das Innere des Not-Aus-Schalters hinein, wobei der Eindruck der Farbe "schwarz" entsteht. Die Anzeigeflächen 3.1,3.2 befinden sich unter nicht durchsichtigen Teilen des Pilzdeckels 11. Aufgrund der während der Betätigung ausgeführten Drehbewegung D der nun elastisch maximal beanspruchten Federstege 8.1,8.2 nehmen die Anzeigeflächen 3.1,3.2 einen anderen Winkel zum Betätigungsteil 7 und auch zu den Fenstern 6.1,6.2 ein als im unbetätigten Zustand.4 shows a sectional view of the actuator 1 of the emergency stop switch of FIG 1 in the actuated state. When actuated, the user sees through the windows 6.1,6.2 into the interior of the emergency stop switch, the impression of the color being "black". The display surfaces 3.1.3.2 are located under non-transparent parts of the mushroom cover 11. Due to the executed during the operation of the rotational movement D now elastically maximum claimed spring bars 8.1,8.2 take the display surfaces 3.1.3.2 another angle to the operating part 7 and also to the windows 6.1 , 6.2 on as in the unactuated state.
Zusammenfassend betrifft die Erfindung einen Betätiger mit einer mechanischen Anzeige, wobei der Betätiger zur Schaltung einer Schalteinheit vorgesehen ist und dessen mechanische Anzeige ein Fenster und eine durch das Fenster erkennbare An- zeigefläche aufweist. Der Erfindung liegt die Erkenntnis zugrunde, dass bisherige mechanische Anzeigen einen hohen Platzbedarf innerhalb des Befehlsgeräts mit sich bringen und zudem fehleranfällig sind. Das Problem der platzsparenden Integration wird durch eine Anzeigefläche gelöst, die mit einem an das Betätigungsteil angebrachten Federsteg verbunden ist und die Anzeigefläche während der Betätigungsbewegung zusammen mit zumindest einem Teil des Federsteges zur teilweisen Drehbewegung um eine Drehachse vorgesehen ist. Hierdurch wird neben der platzsparenden Integration auch ein größerer Ver- schiebeweg der Anzeigefläche erreicht. Des Weiteren betrifft die Erfindung ein elektromechanisches Befehlsgerät mit einer durch einen derartigen Betätiger schaltbaren Schalteinheit. In summary, the invention relates to an actuator with a mechanical display, wherein the actuator is provided for switching a switching unit and whose mechanical display has a window and a recognizable by the window display area. The invention is based on the finding that previous mechanical displays bring a large amount of space within the command device with it and are also error-prone. The problem of space-saving integration is solved by a display surface which is connected to a mounted on the operating part spring bar and the display surface is provided during the actuating movement together with at least a portion of the spring bar for partial rotation about a rotation axis. As a result, in addition to the space-saving integration, a larger displacement path of the display area is achieved. Furthermore, the invention relates to an electromechanical control device with a switchable by such an actuator switching unit.

Claims

Patentansprüche claims
1. Betätiger (1), der zur Schaltung einer Schalteinheit vorgesehen ist und eine mechanische Anzeige aufweist, wobei die mechanische Anzeige ein Fenster (6.1,6.2) und eine durch das Fenster erkennbare Anzeigefläche (3.1,3.2) aufweist, d a d u r c h g e k e n n z e i c h n e t, dass die Anzeigefläche (3.1,3.2) mit einem an ein Betätigungsteil (7) des Betätigers (1) angebrachten Federsteg (8.1,8.2) verbunden ist und während einer Betätigungsbewegung (B) des Betätigungsteils (7) zusammen mit zumindest einem Teil des Federsteges (8.1,8.2) zur teilweisen Drehbewegung (D) um eine Drehachse (10.1,10.2) vorgesehen ist, wobei die Drehachse (10.1,10.2) im Wesentlichen senkrecht zur Betätigungsbewegung (B) des Be- tätigungsteils (7) orientiert ist.1. Actuator (1) which is provided for switching a switching unit and has a mechanical display, wherein the mechanical display has a window (6.1,6.2) and a recognizable by the window display surface (3.1,3.2), characterized in that the display surface (3.1,3.2) is connected to a spring web (8, 8, 8, 2) attached to an actuating part (7) of the actuator (1) and, during an actuating movement (B) of the actuating part (7), together with at least a part of the spring web (8, 8, 8, 2) ) is provided for a partial rotational movement (D) about an axis of rotation (10.1, 10.2), wherein the axis of rotation (10.1, 10.2) is oriented substantially perpendicular to the actuating movement (B) of the actuating part (7).
2. Betätiger (1) nach Anspruch 1, wobei der Federsteg (8.1,8.2) bei der Betätigungsbewegung (B) des Betätigungsteils (7) zur elastischen Beanspruchung vorgesehen ist.2. Actuator (1) according to claim 1, wherein the spring bar (8.1,8.2) in the actuating movement (B) of the actuating part (7) is provided for the elastic load.
3. Betätiger (1) nach Anspruch 2, wobei ein feststehendes Bauteil des Betätigers (1), insbesondere eine Rosette (4), zumindest teilweise zur elastischen Beanspruchung des Federsteges (8.1,8.2) vorgesehen ist.3. Actuator (1) according to claim 2, wherein a fixed component of the actuator (1), in particular a rosette (4), at least partially to the elastic stress of the spring bar (8.1,8.2) is provided.
4. Betätiger (1) nach Anspruch 3, wobei das feststehende Bauteil mittels Nasen und/oder Schrägen zur Unterstützung der Drehbewegung (D) vorgesehen ist.4. actuator (1) according to claim 3, wherein the fixed component by means of lugs and / or bevels to support the rotational movement (D) is provided.
5. Betätiger (1) nach Anspruch 4, wobei die Nasen Sicken aufweisen, die zur Unterstützung einer punktuellen Berührung zwischen Federsteg (8.1,8.2) und dem feststehendem Bauteil vorgesehen sind.5. actuator (1) according to claim 4, wherein the lugs have beads which are provided to support a punctual contact between the spring bar (8.1,8.2) and the stationary component.
6. Betätiger (1) nach einem der vorhergehenden Ansprüche, wobei der Federsteg (8.1,8.2) während der Betätigungsbewegung (B) des Betätigungsteils (7) zur Anlage an das Betätigungs- teil (7), insbesondere an eine Anlage (9.1,9.2), vorgesehen ist .6. actuator (1) according to any one of the preceding claims, wherein the spring bar (8.1,8.2) during the actuating movement (B) of the actuating part (7) for engaging the actuating Part (7), in particular to a system (9.1,9.2), is provided.
7. Betätiger (1) nach einem der vorhergehenden Ansprüche, wo- bei der Federsteg (8.1,8.2) eine federähnliche und/oder hebelartige Form aufweist.7. actuator (1) according to any one of the preceding claims, wherein the spring bar (8.1,8.2) has a spring-like and / or lever-like shape.
8. Befehlsgerät, insbesondere Not-Aus Schalter, mit einer mittels eines Betätigers (1) nach den Ansprüchen 1 bis 7 schaltbaren Schalteinheit. 8. Command device, in particular emergency stop switch, with a by means of an actuator (1) according to claims 1 to 7 switchable switching unit.
EP08803489.7A 2007-10-01 2008-09-01 Actuator Not-in-force EP2206132B1 (en)

Applications Claiming Priority (2)

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DE102007046999A DE102007046999B3 (en) 2007-10-01 2007-10-01 actuator
PCT/EP2008/061511 WO2009047050A1 (en) 2007-10-01 2008-09-01 Actuator

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EP (1) EP2206132B1 (en)
KR (1) KR101443204B1 (en)
CN (1) CN101836276B (en)
BR (1) BRPI0818299B1 (en)
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EP2206132B1 (en) 2016-05-18
US20100219054A1 (en) 2010-09-02
WO2009047050A1 (en) 2009-04-16
CN101836276A (en) 2010-09-15
DE102007046999B3 (en) 2009-01-02
CN101836276B (en) 2013-05-22
KR101443204B1 (en) 2014-09-22
KR20100061844A (en) 2010-06-09
US8227716B2 (en) 2012-07-24

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