EP2846346A2 - Blocking element for an electrical switch - Google Patents

Blocking element for an electrical switch Download PDF

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Publication number
EP2846346A2
EP2846346A2 EP14156281.9A EP14156281A EP2846346A2 EP 2846346 A2 EP2846346 A2 EP 2846346A2 EP 14156281 A EP14156281 A EP 14156281A EP 2846346 A2 EP2846346 A2 EP 2846346A2
Authority
EP
European Patent Office
Prior art keywords
blocking
blocking element
electrical switch
handle
rocker
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
EP14156281.9A
Other languages
German (de)
French (fr)
Other versions
EP2846346A3 (en
EP2846346B1 (en
Inventor
Thomas Bunk
Thomas Roman Abril
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
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Publication of EP2846346A2 publication Critical patent/EP2846346A2/en
Publication of EP2846346A3 publication Critical patent/EP2846346A3/en
Application granted granted Critical
Publication of EP2846346B1 publication Critical patent/EP2846346B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H01H9/223—Defeatable locking means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1054—Means for avoiding unauthorised release
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • 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
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool

Definitions

  • Switching devices for switching electric currents typically comprise at least one contact system and further housing conversions.
  • the contact system forms an electrical switch and serves to switch electrical currents.
  • One class of switching devices are the so-called power switches, which typically can switch currents of 100A and more.
  • These circuit breakers comprise a housing in which the individual phases of the currents are switched.
  • the individual phases of the currents can be housed in Polkassetten, which are enclosed by its own housing.
  • moving and fixed contact are housed, which can be mechanically separated or brought together, for switching off or turning on the currents.
  • an arc is formed, which is typically extinguished in a so-called quenching chamber.
  • circuit breakers are known which contain no Polkassetten and accommodate moving and fixed contacts in their housing.
  • the switching devices can be accommodated in addition to the switching mechanism, which can be manually operated, for example, with a handle.
  • the accessory is housed in pockets in the housing of the electrical switch.
  • the accessory is typically covered with an accessory cover to protect the accessory from unauthorized access.
  • the accessory lid itself is often designed so that when switched on this can not be removed from the housing of the electrical switch. For safety reasons, it should be prevented that the electrical switch is switched on when the accessory cover is open.
  • the blocking element for blocking the movement of a handle or a shift lever of an electrical switch is switchable between at least two positions and in the first position, the blocking element can block the movement of the handle or the shift lever and in the second position the blocking element can not block the movement of the handle or the lever.
  • the advantage here is that the electrical switch can not be switched on manually with removed accessory cover. This is important to protect a surgeon and prevent misuse of the electrical switch.
  • the blocking element is a blocking rocker, which is mounted pivotably about a rotation axis D.
  • the blocking rocker may comprise a bearing, and this may be formed as a rotation axis D.
  • the blocking rocker may include a first contour configured to block the handle or the shift lever of an electrical switch.
  • the blocking rocker may comprise a second contour, which is designed to cooperate with a component of the electrical switch for pivoting the blocking rocker.
  • the second contour can be formed with a cover, in particular an accessory cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive, or to cooperate with another component of the electrical switch
  • the blocking rocker is formed substantially triangular with the first corner as a bearing, the second corner as a first contour and the third corner as a second contour.
  • the blocking element is designed to be in the second position in the case of an attached component of the electrical switch.
  • the blocking element may additionally comprise an elastic element which endeavors to transfer the blocking element into the first position.
  • the elastic element may be formed as a spring.
  • the inventive blocking element may be part of an electrical switch, which comprises a handle and / or a lever for switching the electric switch and a blocking element, wherein the blocking element is arranged in the electrical switch so that in the first position of the blocking element, the movement of the handle or blocked the shift lever of the electric switch and the movement of the handle or the shift lever is not blocked in the second position of the blocking element.
  • the electrical switch may additionally comprise a component, wherein when placing the component of this, the blocking element switches to the second position and when the component is removed, the blocking element is switched to the first position.
  • the component of the electrical switch may be a cover, in particular an accessory cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive.
  • FIG. 1 an electrical switch 100 is shown in a side sectional view.
  • the electrical switch 100 comprises a handle 180, which is in the illustration of Figure 1 in the off position.
  • the handle 180 is actuated along a circular path from an off position, which in the FIG. 1 corresponds to the right position, in an on position, which in the FIG. 1 would correspond to a left position.
  • the handle 180 comprises an extension 181 which can interact with a blocking element 200.
  • the blocking element 200 is designed as a blocking rocker.
  • the blocking rocker 200 is configured to block the movement of the handle 180 by being pivoted into the movement of the handle 180.
  • the blocking rocker 200 is pivotally mounted with its bearing 210 about a rotation axis D.
  • the blocking rocker 200 is pivotable between at least two positions. In its first position it blocks the movement of the handle 180 and in its second position it can not block the movement of the handle 180.
  • an accessory cover 150 is placed on the housing of the electrical switch 100. This closes the so-called accessory pockets, in which accessories can be installed in the electrical switch 100.
  • the accessory cover 150 ensures that the blocking rocker 200 is moved to the second position, in which it can not block the movement of the handle 180. This happens because, for example, a second contour 230 of the blocking rocker 200 cooperates with the accessory cover 150 of the electrical switch 100.
  • the electrical switch 100 can thus be reciprocated between its different positions without restriction.
  • the blocking rocker 200 may be formed substantially triangular with the first corner as a bearing 210, the second corner as a first contour 220 and the third corner as a second contour 230th
  • the blocking rocker 200 blocks in its first position the movement of the handle 180. This may be direct or also indirect. Furthermore, the blocking rocker 200 may block the shift lever of an electrical switch 100.
  • the electrical switch 100 may include a mechanism that prevents the accessory cover 150 from being removed in the on position of the electrical switch 100. This mechanism can thus ensure that the accessory cover can be removed only in the case of a handle 180 in the off position of the electric switch 100. Because, according to the representation of the FIG. 2 the accessory cover 150 no longer cooperates with the blocking rocker 200, the blocking rocker 200 is pivoted to the first position in which it can block the movement of the handle 180. The second contour 230 of the blocking rocker 200 does not interact with the accessory cover 150. This tilts according to the representation of FIG. 2 the blocking rocker 200 to the right about its axis of rotation D.
  • the angle of rotation of the blocking rocker 200 is denoted by ⁇ , for example. Due to the fact that the blocking rocker 200 has rotated clockwise by the angle ⁇ , a first contour 220 of the blocking rocker 200 is now in the path of the movement of the handle 180 FIG. 3 explained.
  • FIG. 3 For example, the electrical switch 100 is shown and the handle 180 has been moved leftward toward the on position by an angle ⁇ .
  • the first contour 220 of the blocking rocker 200 now blocks the handle 180 so that it comes into mechanical contact with the extension 181.
  • This blocking position is preferably provided before the tilting point in the direction of the on position of the handle 180.
  • FIG. 4 the blocking rocker 200 is shown enlarged according to the position of the electrical switch in the FIG. 3 ,
  • the blocking rocker 200 is pivoted to the first position.
  • the first contour 220 of the blocking rocker 200 blocks the path of movement of the handle 180.
  • the extension 181 of the handle 180 abuts the first contour 220 of the blocking rocker, which prevents the handle can be moved further in the direction of the on position of the electrical switch.
  • this additionally comprises an elastic element 300, which may be formed for example as a spring or correspondingly shaped plastic.
  • the spring 300 causes the blocking rocker 200, if it does not cooperate with the accessory cover 150, is transferred to the first position. According to the representations in the FIGS. 1 to 4 This means that the spring 300 rotates the blocking rocker 200 in a clockwise direction. It can be provided that the blocking rocker 200 abuts against a stop, for example against an edge 190 in the housing cover of the electrical switch 100, and thus the movement of the blocking rocker 200 in the clockwise direction is limited.
  • FIG. 5 the electrical switch 100 is shown in a plan view of the electrical switch 100.
  • the handle 180 extends through the accessory cover 150.
  • the blocking rocker 200 is located within the housing of the electrical switch 100 and is in the illustration of FIG. 5 not visible.
  • FIG. 6 the electrical switch 100 is again shown in a plan view, with the accessory cover 150 removed.
  • the electrical switch 100 comprises a handle 180, which is in a blocking position by the interaction with the blocking rocker 200.
  • the blocking rocker 200 protrudes with its second contour 230 from the housing of the electrical Switch 100 out, so that this second contour 230 can cooperate with the accessory cover 150.
  • the blocking rocker 200 is located according to the FIG. 6 in its first position and thus the second contour 230 in its stop position.
  • the blocking rocker 200 is pivoted about the axis of rotation D by the angle ⁇ .
  • the second contour 230 may also cooperate with another component (150) of the electrical switch (100) as the accessory cover, for example with a cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive.
  • the kinematic and kinetic regulation of the blocking mechanism with the blocking element 200 is determined by the elastic element 300.
  • the sensitivity with respect to the dynamics is controllable.
  • the end of the rotational movement and thus the achievement of the blocking position of the blocking rocker 200 can be determined by a geometric design of the guide pocket. Due to the supporting force of the elastic element, the blocking element 200 is pressed against the edge 190 in the housing cover and held in position. The limitation of the movement can be solved analogously thereto via another boom or by another design feature.
  • the blocking element 200 Due to the lack of contact between the blocking element 200 and accessory cover 150, the blocking element 200 is rotated by the force of the elastic element 300 and transferred to the blocking position, its first position, and held there. If the operator moves the handle 180 in the direction of the on position, it is blocked in front of the latching point of the lock. In this case, the handle 180 meets the first contour 220 of the blocking rocker 200.
  • the lock of the electrical switch 100 is prevented from snapping around and thus prevents a contact contact of the electrical contacts of the electrical switch 100.
  • a conceivable embodiment is to place the blocking element 200 in the housing of a switch. Due to the gear ratio only a relatively small angle of rotation ⁇ for blocking the handle 180 and thus the switching mechanism is required. Due to the favorable positioning of the axis of rotation D of the blocking rocker 200, a closing moment is introduced to the blocking rocker 200 upon contact introduction of the handle 180 onto the first contour 220 of the blocking rocker 200 as a result of the contact force. Consequently, the mechanism is brought into self-locking and avoided a solution of the blockage.
  • the contact surface of the housing of the electrical switch 100 at the upper end of the blocking element 200 and the early stop position, for example in the upper housing part allow for easy Reseten the mechanics. This is made possible by the large lever arms of the contact force to the pivot point of the blocking element 200.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Lock And Its Accessories (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

Es wird ein Blockierelement zur Blockierung der Bewegung einer Handhabe oder eines Schalthebels eines elektrischen Schalters offenbart, wobei das Blockierelement zwischen mindestens zwei Positionen schaltbar ist und in der ersten Position das Blockierelement die Bewegung der Handhabe oder des Schalthebels blockieren kann und in der zweiten Position das Blockierelement die Bewegung der Handhabe oder des Schalthebels nicht blockieren kann.A blocking element is disclosed for blocking the movement of a handle or a shift lever of an electrical switch, wherein the blocking element is switchable between at least two positions and in the first position the blocking element can block the movement of the handle or the shift lever and in the second position the blocking element can not block the movement of the handle or the shift lever.

Description

Schaltgeräte zum Schalten elektrischer Ströme umfassen typischerweise mindestens ein Kontaktsystem und weitere Gehäuseumbauten. Das Kontaktsystem bildet einen elektrischen Schalter und dient dem Schalten elektrischer Ströme. Eine Klasse von Schaltgeräten sind die sogenannten Leistungsschalter, die typischerweise Ströme von 100A und mehr schalten können. Diese Leistungsschalter umfassen ein Gehäuse, in dem die einzelnen Phasen der Ströme geschaltet werden. Die einzelnen Phasen der Ströme können in Polkassetten untergebracht sein, die von einem eigenen Gehäuse eingefasst werden. In den Polkassetten sind Beweg- und Festkontakt untergebracht, die mechanisch getrennt beziehungsweise zusammengebracht werden können, zum Aus- beziehungsweise Einschalten der Ströme. Beim Trennen von Beweg- und Festkontakt einer Polkassette entsteht ein Lichtbogen, der typischerweise in einer sogenannten Löschkammer gelöscht wird. Ebenfalls sind Leistungsschalter bekannt, die keine Polkassetten enthalten und die in ihrem Gehäuse Beweg- und Festkontakte unterbringen.Switching devices for switching electric currents typically comprise at least one contact system and further housing conversions. The contact system forms an electrical switch and serves to switch electrical currents. One class of switching devices are the so-called power switches, which typically can switch currents of 100A and more. These circuit breakers comprise a housing in which the individual phases of the currents are switched. The individual phases of the currents can be housed in Polkassetten, which are enclosed by its own housing. In the Polkassetten moving and fixed contact are housed, which can be mechanically separated or brought together, for switching off or turning on the currents. When separating movable and fixed contact of a polar cartridge, an arc is formed, which is typically extinguished in a so-called quenching chamber. Also, circuit breakers are known which contain no Polkassetten and accommodate moving and fixed contacts in their housing.

In den Gehäusen der Schaltgeräte können neben dem Schaltmechanismus, der beispielsweise mit einer Handhabe manuell betätigt werden kann, Zubehöre untergebracht sein. Typischerweise wird das Zubehör in Taschen im Gehäuse des elektrischen Schalters untergebracht. Das Zubehör wird typischerweise mit einem Zubehördeckel abgedeckt, so dass das Zubehör vor unbefugtem Zugang geschützt ist.In the cases of the switching devices accessories can be accommodated in addition to the switching mechanism, which can be manually operated, for example, with a handle. Typically, the accessory is housed in pockets in the housing of the electrical switch. The accessory is typically covered with an accessory cover to protect the accessory from unauthorized access.

Der Zubehördeckel selbst ist oftmals so ausgebildet, dass bei eingeschaltetem Schalter dieser nicht vom Gehäuse des elektrischen Schalters entfernt werden kann. Aus Sicherheitsgründen soll verhindert werden, dass der elektrische Schalter eingeschaltet wird, wenn der Zubehördeckel geöffnet ist.The accessory lid itself is often designed so that when switched on this can not be removed from the housing of the electrical switch. For safety reasons, it should be prevented that the electrical switch is switched on when the accessory cover is open.

Es ist Aufgabe der Erfindung, einen entsprechenden Mechanismus zur Verfügung zu stellen, der verhindert, dass der elektrische Schalter eingeschaltet werden kann bei abgenommenem Zubehördeckel.It is an object of the invention to provide a corresponding mechanism that prevents the electrical switch can be switched on with the accessory cover removed.

Die Aufgabe wird gelöst gemäß Anspruch 1. Das Blockierelement zur Blockierung der Bewegung einer Handhabe oder eines Schalthebels eines elektrischen Schalters ist zwischen mindestens zwei Positionen schaltbar ist und in der ersten Position kann das Blockierelement die Bewegung der Handhabe oder des Schalthebels blockieren und in der zweiten Position kann das Blockierelement die Bewegung der Handhabe oder des Schalthebels nicht blockieren. Vorteilhaft hierbei ist, dass der elektrische Schalter nicht manuell eingeschaltet werden kann bei abgenommenem Zubehördeckel. Dies ist wichtig, um einen Operateur zu schützen und eine Fehlbedienung des elektrischen Schalters zu verhindern.The object is achieved according to claim 1. The blocking element for blocking the movement of a handle or a shift lever of an electrical switch is switchable between at least two positions and in the first position, the blocking element can block the movement of the handle or the shift lever and in the second position the blocking element can not block the movement of the handle or the lever. The advantage here is that the electrical switch can not be switched on manually with removed accessory cover. This is important to protect a surgeon and prevent misuse of the electrical switch.

In einer Ausgestaltung ist das Blockierelement eine Blockierwippe, die schwenkbar um eine Drehachse D gelagert ist. Die Blockierwippe kann eine Lagerstelle umfassen, und diese kann als Drehachse D ausgebildet sein. Die Blockierwippe kann eine erste Kontur umfassen, die ausgebildet ist die Handhabe oder den Schalthebel eines elektrischen Schalters zu blockieren. Die Blockierwippe kann eine zweite Kontur umfassen, die ausgebildet ist mit einem Bauteil des elektrischen Schalters zusammenzuwirken zum Verschwenken der Blockierwippe. Die zweite Kontur kann ausgebildet sein mit einem Deckel, insbesondere einem Zubehördeckel, einer Adapterplatte oder einem Antrieb, insbesondere einem Motorantrieb, einem Drehantrieb oder einem Türkopplungsantrieb, oder einem anderen Bauteil des elektrischen Schalters zusammenzuwirkenIn one embodiment, the blocking element is a blocking rocker, which is mounted pivotably about a rotation axis D. The blocking rocker may comprise a bearing, and this may be formed as a rotation axis D. The blocking rocker may include a first contour configured to block the handle or the shift lever of an electrical switch. The blocking rocker may comprise a second contour, which is designed to cooperate with a component of the electrical switch for pivoting the blocking rocker. The second contour can be formed with a cover, in particular an accessory cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive, or to cooperate with another component of the electrical switch

In einer Ausgestaltung ist die Blockierwippe im Wesentlichen dreieckig ausgebildet mit der ersten Ecke als Lagerstelle, der zweiten Ecke als ersten Kontur und der dritten Ecke als zweiten Kontur.In one embodiment, the blocking rocker is formed substantially triangular with the first corner as a bearing, the second corner as a first contour and the third corner as a second contour.

In einer weiteren Ausgestaltung ist das Blockierelement ausgebildet bei einem aufgesetzten Bauteil des elektrischen Schalters in der zweiten Position zu sein.In a further refinement, the blocking element is designed to be in the second position in the case of an attached component of the electrical switch.

Das Blockierelement kann zusätzlich ein elastisches Element umfassen, das bestrebt ist das Blockierelement in die erste Position überzuführen. Das elastische Element kann als Feder ausgebildet sein.The blocking element may additionally comprise an elastic element which endeavors to transfer the blocking element into the first position. The elastic element may be formed as a spring.

Das erfinderische Blockierelement kann Teil eines elektrischen Schalters sein, der eine Handhabe und/oder einen Schalthebel zum Schalten des elektrischen Schalters umfasst und ein Blockierelement, wobei das Blockierelement im elektrischen Schalter so angeordnet ist, dass in der ersten Position des Blockierelements die Bewegung der Handhabe oder des Schalthebels des elektrischen Schalters blockiert und in der zweiten Position des Blockierelements die Bewegung der Handhabe oder des Schalthebels nicht blockiert wird.The inventive blocking element may be part of an electrical switch, which comprises a handle and / or a lever for switching the electric switch and a blocking element, wherein the blocking element is arranged in the electrical switch so that in the first position of the blocking element, the movement of the handle or blocked the shift lever of the electric switch and the movement of the handle or the shift lever is not blocked in the second position of the blocking element.

Der elektrische Schalter kann zusätzlich ein Bauteil umfassen, wobei beim Aufsetzen des Bauteils dieses das Blockierelement in die zweite Position schaltet und bei Abnahme des Bauteils das Blockierelement in die erste Position geschaltet wird.The electrical switch may additionally comprise a component, wherein when placing the component of this, the blocking element switches to the second position and when the component is removed, the blocking element is switched to the first position.

In einer weiteren Ausgestaltung kann das Bauteil des elektrischen Schalters ein Deckel, insbesondere ein Zubehördeckel, eine Adapterplatte oder ein Antrieb, insbesondere ein Motorantrieb, ein Drehantrieb oder ein Türkopplungsantrieb, sein.In a further embodiment, the component of the electrical switch may be a cover, in particular an accessory cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive.

Die Erfindung wird im Weiteren anhand der nachfolgenden Figuren beschrieben.

Figur 1
elektrischer Schalter mit Blockierelement und aufgesetztem Zubehördeckel;
Figur 2
elektrischer Schalter mit Blockierelement bei entferntem Zubehördeckel;
Figur 3
elektrischer Schalter mit Blockierelement, wobei das Blockierelement in der ersten Position ist;
Figur 4
Detailansicht des Blockierelements, wobei sich das Blockierelement in der ersten Position befindet;
Figur 5
Aufsicht auf den elektrischen Schalter mit aufgesetztem Zubehördeckel; und
Figur 6
Aufsicht auf den elektrischen Schalter bei entferntem Zubehördeckel.
The invention will be described below with reference to the following figures.
FIG. 1
electrical switch with blocking element and attached accessory cover;
FIG. 2
electrical switch with blocking element with the accessory cover removed;
FIG. 3
electrical switch with blocking element, wherein the blocking element is in the first position;
FIG. 4
Detail view of the blocking element, wherein the blocking element is in the first position;
FIG. 5
Top view of the electrical switch with attached accessory cover; and
FIG. 6
Top view of the electrical switch with the accessory cover removed.

In Figur 1 ist ein elektrischer Schalter 100 in einer seitlichen Schnittdarstellung abgebildet. Der elektrische Schalter 100 umfasst eine Handhabe 180, die in der Darstellung der Figur 1 in der Aus-Position ist. Die Handhabe 180 wird entlang einer kreisförmigen Bahn betätigt von einer Aus-Position, welche in der Figur 1 der rechten Stellung entspricht, in eine Ein-Position, welche in der Figur 1 einer linken Stellung entsprechen würde. Die Handhabe 180 umfasst einen Fortsatz 181, der mit einem Blockierelement 200 wechselwirken kann.In FIG. 1 an electrical switch 100 is shown in a side sectional view. The electrical switch 100 comprises a handle 180, which is in the illustration of Figure 1 in the off position. The handle 180 is actuated along a circular path from an off position, which in the FIG. 1 corresponds to the right position, in an on position, which in the FIG. 1 would correspond to a left position. The handle 180 comprises an extension 181 which can interact with a blocking element 200.

Im Ausführungsbeispiel ist das Blockierelement 200 als Blockierwippe ausgeführt. Die Blockierwippe 200 ist so ausgestaltet, dass sie die Bewegung der Handhabe 180 blockieren kann, indem sie in die Bewegung der Handhabe 180 eingeschwenkt werden kann. Dazu ist die Blockierwippe 200 mit ihrer Lagerstelle 210 um eine Drehachse D schwenkbar gelagert. Die Blockierwippe 200 ist zwischen mindestens zwei Positionen schwenkbar. In ihrer ersten Position blockiert sie die Bewegung der Handhabe 180 und in ihrer zweiten Position kann sie nicht die Bewegung der Handhabe 180 blockieren.In the exemplary embodiment, the blocking element 200 is designed as a blocking rocker. The blocking rocker 200 is configured to block the movement of the handle 180 by being pivoted into the movement of the handle 180. For this purpose, the blocking rocker 200 is pivotally mounted with its bearing 210 about a rotation axis D. The blocking rocker 200 is pivotable between at least two positions. In its first position it blocks the movement of the handle 180 and in its second position it can not block the movement of the handle 180.

Auf das Gehäuse des elektrischen Schalters 100 ist ein Zubehördeckel 150 aufgesetzt. Dieser verschließt die sogenannten Zubehörtaschen, in denen Zubehöre im elektrischen Schalter 100 eingebaut sein können. Der Zubehördeckel 150 sorgt dafür, dass die Blockierwippe 200 in die zweite Position bewegt wird, in der sie nicht der Bewegung der Handhabe 180 blockieren kann. Dies geschieht dadurch, dass beispielsweise eine zweite Kontur 230 der Blockierwippe 200 mit dem Zubehördeckel 150 des elektrischen Schalters 100 zusammenwirkt. Dadurch, dass durch den Zubehördeckel 150 die Blockierwippe 200 in der zweiten Position gehalten wird, kann nun der Fortsatz 181 der Handhabe 180 nicht von der Blockierwippe 200 blockiert werden. Der elektrische Schalter 100 kann somit zwischen seinen unterschiedlichen Stellungen ohne Einschränkung hin- und herbewegt werden.On the housing of the electrical switch 100, an accessory cover 150 is placed. This closes the so-called accessory pockets, in which accessories can be installed in the electrical switch 100. The accessory cover 150 ensures that the blocking rocker 200 is moved to the second position, in which it can not block the movement of the handle 180. This happens because, for example, a second contour 230 of the blocking rocker 200 cooperates with the accessory cover 150 of the electrical switch 100. The fact that the locking rocker 200 is held in the second position by the accessory cover 150, now the extension 181 of the handle 180 can not be blocked by the blocking rocker 200. The electrical switch 100 can thus be reciprocated between its different positions without restriction.

Die Blockierwippe 200 kann im Wesentlichen dreieckig ausgebildet sein mit der ersten Ecke als Lagerstelle 210, der zweiten Ecke als ersten Kontur 220 und der dritten Ecke als zweiten Kontur 230.The blocking rocker 200 may be formed substantially triangular with the first corner as a bearing 210, the second corner as a first contour 220 and the third corner as a second contour 230th

Die Blockierwippe 200 blockiert in ihrer ersten Position die Bewegung der Handhabe 180. Dies kann unmittelbar oder ebenfalls auch mittelbar sein. Des Weiteren kann die Blockierwippe 200 den Schalthebel eines elektrischen Schalters 100 blockieren.The blocking rocker 200 blocks in its first position the movement of the handle 180. This may be direct or also indirect. Furthermore, the blocking rocker 200 may block the shift lever of an electrical switch 100.

In der Darstellung entsprechend der Figur 2 ist im Gegensatz zur Darstellung der Figur 1 der Zubehördeckel 150 abgenommen. Der elektrische Schalter 100 kann einen Mechanismus enthalten, der verhindert, dass der Zubehördeckel 150 in der Ein-Position des elektrischen Schalters 100 abgenommen werden kann. Dieser Mechanismus kann somit sicherstellen, dass der Zubehördeckel nur bei einer Handhabe 180 in der Aus-Position des elektrischen Schalters 100 abgenommen werden kann. Dadurch, dass entsprechend der Darstellung der Figur 2 der Zubehördeckel 150 nicht mehr mit der Blockierwippe 200 zusammenwirkt, wird die Blockierwippe 200 in die erste Position geschwenkt, in der sie die Bewegung der Handhabe 180 blockieren kann. Die zweite Kontur 230 der Blockierwippe 200 wirkt nicht mit dem Zubehördeckel 150 zusammen. Dadurch kippt entsprechend der Darstellung der Figur 2 die Blockierwippe 200 nach rechts um ihre Drehachse D. Der Drehwinkel der Blockierwippe 200 sei beispielsweise mit α bezeichnet. Dadurch, dass sich die Blockierwippe 200 um den Winkel α im Uhrzeigersinn gedreht hat, steht nun eine erste Kontur 220 der Blockierwippe 200 im Weg der Bewegung der Handhabe 180. Dies ist näher in der Figur 3 erläutert.In the illustration according to the FIG. 2 is contrary to the representation of the FIG. 1 the accessory cover 150 removed. The electrical switch 100 may include a mechanism that prevents the accessory cover 150 from being removed in the on position of the electrical switch 100. This mechanism can thus ensure that the accessory cover can be removed only in the case of a handle 180 in the off position of the electric switch 100. Because, according to the representation of the FIG. 2 the accessory cover 150 no longer cooperates with the blocking rocker 200, the blocking rocker 200 is pivoted to the first position in which it can block the movement of the handle 180. The second contour 230 of the blocking rocker 200 does not interact with the accessory cover 150. This tilts according to the representation of FIG. 2 the blocking rocker 200 to the right about its axis of rotation D. The angle of rotation of the blocking rocker 200 is denoted by α , for example. Due to the fact that the blocking rocker 200 has rotated clockwise by the angle α , a first contour 220 of the blocking rocker 200 is now in the path of the movement of the handle 180 FIG. 3 explained.

In Figur 3 ist der elektrische Schalter 100 dargestellt und die Handhabe 180 wurde nach links in Richtung der Ein-Position bewegt um einen Winkel δ. Dadurch, dass die Blockierwippe 200 in die erste Position überführt wurde, blockiert nun die erste Kontur 220 der Blockierwippe 200 die Handhabe 180, so dass sie mit dem Fortsatz 181 in mechanischen Kontakt tritt. Dadurch ist es nicht möglich, die Handhabe 180 weiter nach links zu schwenken entsprechend der Darstellung der Figur 3. Es ist somit nicht möglich, dass die Handhabe 180 einen größeren Winkel als den Winkel δ, gemessen von der Aus-Position des elektrischen Schalters 100, zurücklegt. Diese Blockierstellung ist vorzugsweise vor dem Kipppunkt in Richtung der Ein-Position der Handhabe 180 vorgesehen.In FIG. 3 For example, the electrical switch 100 is shown and the handle 180 has been moved leftward toward the on position by an angle δ. As a result of the fact that the blocking rocker 200 has been transferred to the first position, the first contour 220 of the blocking rocker 200 now blocks the handle 180 so that it comes into mechanical contact with the extension 181. As a result, it is not possible to move the handle 180 further to the left according to the representation of FIG. 3 , It is thus not possible for the handle 180 to cover a larger angle than the angle δ, measured from the off position of the electrical switch 100. This blocking position is preferably provided before the tilting point in the direction of the on position of the handle 180.

In Figur 4 ist die Blockierwippe 200 vergrößert dargestellt entsprechend der Position des elektrischen Schalters in der Figur 3. Die Blockierwippe 200 ist in die erste Position geschwenkt. Dadurch blockiert die erste Kontur 220 der Blockierwippe 200 den Weg der Bewegung der Handhabe 180. Der Fortsatz 181 der Handhabe 180 stößt auf die erste Kontur 220 der Blockierwippe, wodurch verhindert wird, dass die Handhabe weiter in Richtung der Ein-Position des elektrischen Schalters bewegt werden kann.In FIG. 4 the blocking rocker 200 is shown enlarged according to the position of the electrical switch in the FIG. 3 , The blocking rocker 200 is pivoted to the first position. As a result, the first contour 220 of the blocking rocker 200 blocks the path of movement of the handle 180. The extension 181 of the handle 180 abuts the first contour 220 of the blocking rocker, which prevents the handle can be moved further in the direction of the on position of the electrical switch.

Zur Überführung der Blockierwippe 200 in die erste Position umfasst diese zusätzlich ein elastisches Element 300, welches beispielsweise als Feder oder entsprechend geformter Kunststoff ausgebildet sein kann. Die Feder 300 bewirkt, dass die Blockierwippe 200, wenn sie nicht mit dem Zubehördeckel 150 zusammenwirkt, in die erste Position überführt wird. Entsprechend der Darstellungen in den Figuren 1 bis 4 bedeutet dies, dass die Feder 300 die Blockierwippe 200 im Uhrzeigersinn dreht. Es kann vorgesehen sein, dass die Blockierwippe 200 an einen Anschlag, beispielsweise an eine Kante 190 im Gehäusedeckel des elektrischen Schalters 100, anschlägt, und damit die Bewegung der Blockierwippe 200 im Uhrzeigersinn begrenzt ist.For the transfer of the blocking rocker 200 in the first position, this additionally comprises an elastic element 300, which may be formed for example as a spring or correspondingly shaped plastic. The spring 300 causes the blocking rocker 200, if it does not cooperate with the accessory cover 150, is transferred to the first position. According to the representations in the FIGS. 1 to 4 This means that the spring 300 rotates the blocking rocker 200 in a clockwise direction. It can be provided that the blocking rocker 200 abuts against a stop, for example against an edge 190 in the housing cover of the electrical switch 100, and thus the movement of the blocking rocker 200 in the clockwise direction is limited.

Gemäß der Figur 4 wird beim Versuch, die Handhabe 180 in die Ein-Position zu versetzen, durch die Blockierkraft FBlock ein schließendes Moment MBlock auf den Blockiermechanismus der Blockierwippe 200 eingeleitet. Der Blockiermechanismus wird somit in Selbsthemmung versetzt und die Feder 300 somit unterstützt.According to the FIG. 4 a closing moment introduced M block to the locking mechanism of the blocking rocker 200 while trying to put in the on position, the handle 180, by the blocking force F block. The blocking mechanism is thus placed in self-locking and the spring 300 thus supported.

In Figur 5 ist der elektrische Schalter 100 in einer Aufsicht auf den elektrischen Schalter 100 dargestellt. Die Handhabe 180 durchragt den Zubehördeckel 150. Die Blockierwippe 200 befindet sich innerhalb des Gehäuses des elektrischen Schalters 100 und ist in der Darstellung der Figur 5 nicht sichtbar.In FIG. 5 the electrical switch 100 is shown in a plan view of the electrical switch 100. The handle 180 extends through the accessory cover 150. The blocking rocker 200 is located within the housing of the electrical switch 100 and is in the illustration of FIG. 5 not visible.

In Figur 6 ist der elektrische Schalter 100 wiederum in einer Aufsicht dargestellt, wobei der Zubehördeckel 150 abgenommen ist. Der elektrische Schalter 100 umfasst eine Handhabe 180, die sich in einer Blockierstellung befindet durch das Zusammenwirken mit der Blockierwippe 200. Die Blockierwippe 200 ragt mit ihrer zweiten Kontur 230 aus dem Gehäuse des elektrischen Schalters 100 heraus, so dass diese zweite Kontur 230 mit dem Zubehördeckel 150 zusammenwirken kann. Die Blockierwippe 200 befindet sich entsprechend der Figur 6 in ihrer ersten Position und somit die zweite Kontur 230 in ihrer Anschlagsposition. Die Blockierwippe 200 ist um die Drehachse D um den Winkel α verschwenkt.In FIG. 6 the electrical switch 100 is again shown in a plan view, with the accessory cover 150 removed. The electrical switch 100 comprises a handle 180, which is in a blocking position by the interaction with the blocking rocker 200. The blocking rocker 200 protrudes with its second contour 230 from the housing of the electrical Switch 100 out, so that this second contour 230 can cooperate with the accessory cover 150. The blocking rocker 200 is located according to the FIG. 6 in its first position and thus the second contour 230 in its stop position. The blocking rocker 200 is pivoted about the axis of rotation D by the angle α.

Die zweite Kontur 230 kann auch mit einem anderen Bauteil (150) des elektrischen Schalters (100) als dem Zubehördeckel zusammenwirken, beispielsweise mit einem Deckel, einer Adapterplatte oder einem Antrieb, insbesondere einem Motorantrieb, einem Drehantrieb oder einem Türkopplungsantrieb.The second contour 230 may also cooperate with another component (150) of the electrical switch (100) as the accessory cover, for example with a cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive.

Die kinematische und kinetische Regulation des Blockiermechanismus mit dem Blockierelement 200 wird durch das elastische Element 300 bestimmt. Dadurch ist die Empfindlichkeit bezüglich der Dynamik steuerbar. Das Ende der Drehbewegung und somit das Erreichen der Blockierposition der Blockierwippe 200 kann durch eine geometrische Gestaltung der Führungstasche bestimmt werden. Durch die unterstützende Kraft des elastischen Elements wird das Blockierelement 200 gegen die Kante 190 im Gehäusedeckel gedrückt und in ihrer Position gehalten. Die Begrenzung der Bewegung kann analog hierzu über einen anderen Ausleger beziehungsweise durch ein anderes Gestaltungsmerkmal gelöst werden.The kinematic and kinetic regulation of the blocking mechanism with the blocking element 200 is determined by the elastic element 300. As a result, the sensitivity with respect to the dynamics is controllable. The end of the rotational movement and thus the achievement of the blocking position of the blocking rocker 200 can be determined by a geometric design of the guide pocket. Due to the supporting force of the elastic element, the blocking element 200 is pressed against the edge 190 in the housing cover and held in position. The limitation of the movement can be solved analogously thereto via another boom or by another design feature.

Aufgrund der fehlenden Kontaktberührung zwischen Blockierelement 200 und Zubehördeckel 150 wird das Blockierelement 200 durch die Kraft des elastischen Elements 300 in eine Drehbewegung versetzt und in die Blockierposition, ihre erste Position, überführt und dort gehalten. Bewegt der Bediener die Handhabe 180 in Richtung der Ein-Position, so wird diese vor dem Umschnapppunkt des Schlosses blockiert. Dabei trifft die Handhabe 180 auf die erste Kontur 220 der Blockierwippe 200. Das Schloss des elektrischen Schalters 100 wird vom Umschnappen abgehalten und verhindert somit eine Kontaktberührung der elektrischen Kontakte des elektrischen Schalters 100.Due to the lack of contact between the blocking element 200 and accessory cover 150, the blocking element 200 is rotated by the force of the elastic element 300 and transferred to the blocking position, its first position, and held there. If the operator moves the handle 180 in the direction of the on position, it is blocked in front of the latching point of the lock. In this case, the handle 180 meets the first contour 220 of the blocking rocker 200. The lock of the electrical switch 100 is prevented from snapping around and thus prevents a contact contact of the electrical contacts of the electrical switch 100.

Eine denkbare Ausführung ist das Blockierelement 200 in dem Gehäuse eines Schalters zu platzieren. Durch das Übersetzungsverhältnis ist nur ein relativ kleiner Drehwinkel α für das Blockieren der Handhabe 180 und somit des Schaltschlosses nötig. Durch die günstige Positionierung der Drehachse D der Blockierwippe 200 wird bei Kontakteinleitung der Handhabe 180 auf die erste Kontur 220 der Blockierwippe 200 in Folge der Kontaktkraft ein schließendes Moment auf die Blockierwippe 200 eingeleitet. Folglich wird die Mechanik in Selbsthemmung gebracht und eine Lösung der Blockierung vermieden. Die Berührfläche des Gehäuses des elektrischen Schalters 100 am oberen Ende des Blockierelements 200 und die frühe Anschlagposition beispielsweise im Gehäuseoberteil ermöglichen ein leichtes Reseten der Mechanik. Dies wird durch die großen Hebelarme der Kontaktkraft zum Drehpunkt des Blockierelements 200 ermöglicht.A conceivable embodiment is to place the blocking element 200 in the housing of a switch. Due to the gear ratio only a relatively small angle of rotation α for blocking the handle 180 and thus the switching mechanism is required. Due to the favorable positioning of the axis of rotation D of the blocking rocker 200, a closing moment is introduced to the blocking rocker 200 upon contact introduction of the handle 180 onto the first contour 220 of the blocking rocker 200 as a result of the contact force. Consequently, the mechanism is brought into self-locking and avoided a solution of the blockage. The contact surface of the housing of the electrical switch 100 at the upper end of the blocking element 200 and the early stop position, for example in the upper housing part allow for easy Reseten the mechanics. This is made possible by the large lever arms of the contact force to the pivot point of the blocking element 200.

Claims (13)

Blockierelement (200) zur Blockierung der Bewegung einer Handhabe (180) oder eines Schalthebels eines elektrischen Schalters (100),
dadurch gekennzeichnet, dass das Blockierelement (200) zwischen mindestens zwei Positionen schaltbar ist und in der ersten Position das Blockierelement (200) die Bewegung der Handhabe (180) oder des Schalthebels blockieren kann und in der zweiten Position das Blockierelement (200) die Bewegung der Handhabe (180) oder des Schalthebels nicht blockieren kann.Blocking element (200) for blocking the movement of a handle (180) or of a switching lever of an electrical switch (100),
characterized in that the blocking element (200) is switchable between at least two positions and in the first position the blocking element (200) can block the movement of the handle (180) or the shift lever and in the second position the blocking element (200) blocks the movement of the Handle (180) or the lever can not block. Blockierelement (200) gemäß Anspruch 1, wobei das Blockierelement (200) eine Blockierwippe ist, die schwenkbar um eine Drehachse (D) gelagert ist.A blocking element (200) according to claim 1, wherein the blocking element (200) is a blocking rocker pivotally mounted about an axis of rotation (D). Blockierelement (200) gemäß Anspruch 2, wobei die Blockierwippe (200) eine Lagerstelle (210) umfasst, und diese als Drehachse (D) ausgebildet ist.Blocking element (200) according to claim 2, wherein the blocking rocker (200) comprises a bearing point (210), and this is formed as a rotation axis (D). Blockierelement (200) gemäß Anspruch 2 oder 3, wobei die Blockierwippe (200) eine erste Kontur (220) umfasst, die ausgebildet ist die Handhabe (180) oder den Schalthebel eines elektrischen Schalters (100) zu blockieren.A blocking element (200) according to claim 2 or 3, wherein the blocking rocker (200) comprises a first contour (220) adapted to block the handle (180) or the shift lever of an electrical switch (100). Blockierelement (200) gemäß einem der Ansprüche 2 bis 4, wobei die Blockierwippe (200) eine zweite Kontur (230) umfasst, die ausgebildet ist mit einem Bauteil des elektrischen Schalters (100) zusammenzuwirken zum Verschwenken der Blockierwippe (200).A blocking element (200) according to any one of claims 2 to 4, wherein the blocking rocker (200) comprises a second contour (230) adapted to cooperate with a component of the electrical switch (100) for pivoting the blocking rocker (200). Blockierelement (200) gemäß Anspruch 5, bei dem die zweite Kontur (230) ausgebildet ist mit einem Deckel, insbesondere einem Zubehördeckel, einer Adapterplatte oder einem Antrieb, insbesondere einem Motorantrieb, einem Drehantrieb oder einem Türkopplungsantrieb, oder einem anderen Bauteil des elektrischen Schalters (100) zusammenzuwirken.Blocking element (200) according to claim 5, wherein the second contour (230) is formed with a cover, in particular an accessory cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive, or another component of the electrical switch (100) cooperate. Blockierelement (200) gemäß einem der Ansprüche 2 bis 6, wobei die Blockierwippe (200) im Wesentlichen dreieckig ausgebildet ist mit der ersten Ecke als Lagerstelle (210), der zweiten Ecke als ersten Kontur (220) und der dritten Ecke als zweiten Kontur (230).Blocking element (200) according to one of claims 2 to 6, wherein the blocking rocker (200) is formed substantially triangular with the first corner as a bearing (210), the second corner as a first contour (220) and the third corner as a second contour ( 230). Blockierelement (200) gemäß einem der vorherigen Ansprüche, wobei das Blockierelement (200) ausgebildet ist bei einem aufgesetzten Bauteil des elektrischen Schalters (100) in der zweiten Position zu sein.The blocking element (200) according to one of the preceding claims, wherein the blocking element (200) is designed to be in the second position with an attached component of the electrical switch (100). Blockierelement (200) gemäß einem der vorherigen Ansprüche, wobei das Blockierelement (200) zusätzlich ein elastisches Element (300) umfasst, das bestrebt ist das Blockierelement (200) in die erste Position überzuführen.The blocking element (200) according to one of the preceding claims, wherein the blocking element (200) additionally comprises an elastic element (300) which endeavors to transfer the blocking element (200) into the first position. Blockierelement (200) gemäß Anspruch 9, bei dem das elastische Element (300) als Feder ausgebildet ist.A blocking member (200) according to claim 9, wherein the elastic member (300) is formed as a spring. Elektrischer Schalter (100) umfassend eine Handhabe (180) und/oder einen Schalthebel zum Schalten des elektrischen Schalters (100) und ein Blockierelement (200) gemäß einem der vorherigen Ansprüche, wobei das Blockierelement (200) im elektrischen Schalter (100) so angeordnet ist, dass in der ersten Position des Blockierelements (200) die Bewegung der Handhabe (180) oder des Schalthebels des elektrischen Schalters (100) blockiert und in der zweiten Position des Blockierelements (200) die Bewegung der Handhabe (180) oder des Schalthebels nicht blockiert wird.An electrical switch (100) comprising a handle (180) and / or a shift lever for switching the electrical switch (100) and a blocking element (200) according to any one of the preceding claims, wherein the blocking element (200) is arranged in the electrical switch (100) in that in the first position of the blocking element (200), the movement of the handle (180) or of the switching lever of the electric switch (100) is blocked and in the second position of the blocking element (200) the movement of the handle (180) or of the switching lever is not blocked is blocked. Elektrischer Schalter (100) gemäß Anspruch 11, umfassend zusätzlich ein Bauteil (150) des elektrischen Schalters (100), wobei beim Aufsetzen des Bauteils (150) dieses das Blockierelement (200) in die zweite Position schaltet und bei Abnahme des Bauteils (150) das Blockierelement (200) in die erste Position geschaltet wird.An electrical switch (100) according to claim 11, further comprising a component (150) of the electrical switch (100), wherein upon placement of the component (150), the blocking element (200) switches to the second position and upon removal of the component (150) the blocking element (200) is switched to the first position. Elektrischer Schalter (100) gemäß Anspruch 12, bei dem das Bauteil (150) des elektrischen Schalters (100) ein Deckel, insbesondere ein Zubehördeckel, eine Adapterplatte oder ein Antrieb, insbesondere ein Motorantrieb, ein Drehantrieb oder ein Türkopplungsantrieb, ist.Electric switch (100) according to claim 12, wherein the component (150) of the electrical switch (100) is a cover, in particular an accessory cover, an adapter plate or a drive, in particular a motor drive, a rotary drive or a door coupling drive.
EP14156281.9A 2013-07-01 2014-02-24 Blocking element for an electrical switch Active EP2846346B1 (en)

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US9105415B2 (en) * 2013-04-22 2015-08-11 General Electric Company Retaining insert for an electrical protection system and method
BR112018010619A2 (en) * 2015-12-04 2018-11-13 Abb Schweiz Ag disconnecting device and willingness to disconnect a contactor
US9859074B1 (en) 2017-09-03 2018-01-02 Carlos M. Martinez Locking device for rocker switch
CN112117167B (en) * 2020-09-18 2023-05-05 广东电网有限责任公司梅州供电局 Misoperation prevention device for air switch
CN117558593B (en) * 2024-01-10 2024-03-15 深圳曼顿科技有限公司 Locking structure of circuit breaker electric operation device and circuit breaker electric operation device

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US20150001049A1 (en) 2015-01-01
DE102013212798A1 (en) 2015-01-08
CN104282461A (en) 2015-01-14
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CN104282461B (en) 2018-03-30
US9230767B2 (en) 2016-01-05
EP2846346B1 (en) 2017-02-22

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