EP2388790A1 - Circuit breaker with locking device - Google Patents
Circuit breaker with locking device Download PDFInfo
- Publication number
- EP2388790A1 EP2388790A1 EP11166423A EP11166423A EP2388790A1 EP 2388790 A1 EP2388790 A1 EP 2388790A1 EP 11166423 A EP11166423 A EP 11166423A EP 11166423 A EP11166423 A EP 11166423A EP 2388790 A1 EP2388790 A1 EP 2388790A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking device
- rocker arm
- circuit breaker
- switch housing
- hole
- 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
Links
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
- H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
- H01H9/283—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock the part being removable
-
- 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
- H01H2009/288—Provisions relating to welded contacts
Definitions
- the invention relates to a low-voltage circuit breaker with locking device for the rocker arm according to the preamble of claim 1, wherein a circuit breaker and a circuit breaker is to be understood.
- the locking device comprises a lever, a locking clip, a probe element and a spreading element.
- the lever is displaceable between a first, upper position and a second, lower position and has a first opening, which allows the passage of a U-lock for locking when the lever has been moved to the second position.
- the lever is mounted in a cap having a second opening which is aligned with the first opening when the lever is in the second position, and serves to perform the U-lock.
- the locking clip includes two spring arms on which are formed lugs for engaging in the Plombierö réelleen when the rocker arm is in one of its stable positions, wherein the locking device is designed so that it can be attached to the switch housing, when the rocker arm in one or the other of his stable positions.
- the locking clip is mounted in the attachment and includes a Tastelement forming, U-shaped central part, wherein the legs of the central part are extended by the spring arms.
- the locking clip has a clearance that is sufficiently large to allow the clip to take more or less inclined position when the shift lever is in other than one of its two stable positions.
- the probe element is designed to detect an intermediate position between said stable positions of the rocker arm and to prevent the closing in this position.
- the spreader connected to the lever serves to force the spring arms apart when the lever is moved from the first position to the second position to insert the lugs into the seal openings.
- the hood-like attachment encloses the rocker arm.
- the stop serves as an end support of the rocker arm in a lock-off position, which takes place by transfer from the normal off position by a permissible over-stroke of the rocker arm when the switch contacts are not welded.
- each forced pivoting of the rocker arm into the lock-off position requires an actuation force that is greater than or equal to a fixed limit, above which a destruction of the switching mechanism occurs.
- the switching mechanism is designed according to the limit, which is rarely possible with circuit breakers. As a conclusion of the rocker arm despite destruction of the switching mechanism is still not excluded, the operator could run out with dangerous consequences of a de-energized circuit.
- the invention is therefore based on the object of specifying a circuit breaker with a cost-locking device, with a completion of the rocker arm is excluded in welded main contacts.
- the rocker arm is securely locked in its off position, as by the in the at least one Closing opening of the locking device Hinged bracket of a U-lock
- the head screw for a tool is concealed, whereby a release of the locking device is excluded from the switching device without authorized removal of the U-lock.
- the circuit breaker is connectable to a non-intrusive, easy-to-attach locking device.
- An advantageous development of the invention consists in a one-piece, low-cost locking device.
- a further advantageous embodiment of the invention is that connect to the cover on both sides two eye-shaped, mutually aligned locking openings in the tilting direction of the rocker arm.
- the through-bore is accessible between the spaced-apart Absch.ötechnisch.
- the head screw is locked by a hook lock suspended in the two locking openings.
- An advantageous development which in particular serves to block the cap screw, is that the longitudinal axes of the through-hole and the at least one closing opening intersect perpendicularly.
- An advantageous embodiment of the invention is that in the mounted state of the locking device and in welded main contacts of the rocker arm of one of the first inner wall opposite, the second inner wall of the cover is close to.
- the rocker arm can be surrounded both in the off position and in welded main contacts of the cover, a fastening of the locking device by means of the cap screw is not possible because of the fixed distance between the threaded hole and rocker arm.
- An advantageous development of the invention also consists in that the outer contour of the locking device facing the switch housing is designed to conform to the switch housing in the region of the passage opening for the rocker arm, in particular when at least one web protrudes laterally from the locking device in the direction of the switch housing, into a corresponding one , trained in addition to the passage opening Bridge recording is inserted in the switch housing. This facilitates secure placement and connection of the locking device on the switching device.
- Fig. 1 shows a circuit breaker 1, which is executed in this case unipolar.
- the circuit breaker 1 has a rocker arm 3, with which the circuit breaker 1 can be switched on and off.
- the circuit breaker 1 is enclosed by a switch housing 5, which has a passage opening 7 for the rocker arm 3.
- the circuit breaker 1 has of course electrical main contacts, which are operatively connected to a switching mechanism, and can be closed or opened by actuation of the rocker arm 3. From the switching mechanism is in Fig. 1 merely to see a shift gate 9, with which the protruding from the switch housing 5 rocker arm 3 is rigidly connected.
- the shift gate 9 is tiltable in the switch housing 5 about a fixed pivot axis and has a threaded bore 11 in the vicinity of the rocker arm 3.
- the threaded bore 11 is accessible in the off position of the circuit breaker 1 from the outside through the passage opening 7 and extends approximately radially to the aforementioned pivot axis.
- the rocker arm 3 assumes two stable positions corresponding to the on position and the off position of the main contacts, of which in Fig. 1 the off position is shown. When welded main contacts, however, the rocker arm 3 takes a different position from the off position and the on position.
- Fig. 1 also shows a locking device 13 in a position for placement on the switch housing 5.
- the locking device 13 has a front side on the switch housing 5 can be placed cover 15 to enclose the rocker arm 3 in its off position.
- the locking device 13 is integrally formed as an injection molded part.
- the locking device 13 has near the cover 15 on a through hole 17.
- the threaded shaft 19 of a cap screw 21 can reach the threaded hole 11 to be connected to the shift gate 9 and thus to secure the locking device 13 on the switch housing 5.
- the tightened in the threaded bore 11 cap screw 21 is supported with its head 23 at an outlet 25 of the through hole 17 from.
- On both sides of the cover 13 close to two eye-shaped, mutually aligned Absch spaschötechnisch 27.
- the access to the through hole 17 is located between the two closing openings 27.
- the longitudinal axis 29 of the through hole 17 and the common longitudinal axis 31 of the two closing openings 27 intersect perpendicular to one another.
- the switch housing 5 facing outer contour of the locking device 13 is adapted to the switch housing 5 in the region of the passage opening 7.
- the same purpose serve a web recording 35, which is formed adjacent to the passage opening 7 in the switch housing 5, and a web of the receptacle 35 adapted web 33, which is laterally formed by the cover 15.
- Fig. 2 shows the circuit breaker 1 in the off position with attached locking device 13.
- the rocker arm 3 is covered by the cover 15 and completed by a padlock 37.
- the bracket 39 of the U-lock 37 was hooked into the two Abschröötechnisch 27. In this case, the bracket 39 blocks access to the located in the outlet 25 of the through hole 17 head 23 of the cap screw 21. Without releasing the padlock 37 thus removal of the locking device 13 and thus actuation of the rocker arm 3 from its off position is not possible.
- the shift mechanism 41 includes, among other components, the aforementioned shift gate 9.
- the shift gate 9 is tiltably mounted about the pivot axis 43 mounted in the shift mechanism 41. Opposite to the pivot axis 43, the shift gate 9 in the manner of a Part of a cylinder jacket formed and carries the protruding from the switch housing 5 rocker arm 3. About the passage opening 7 for the rocker arm 3 sits the locking device 13 and encloses with its cover 15 in the off-position rocker arm third
- the threaded bore 11 and the rocker arm 3 are arranged offset at a certain angle on the shift gate 9.
- the said offsets between the threaded bore 11 and the rocker arm 3 on the one hand and between the through hole 17 and the first inner wall 45 on the other hand are dimensioned to each other in such a way that only in the off position, both the rocker arm 3 can be covered by the cover 15 and the through hole 17 is in alignment with the threaded hole 11, so that only in the off position, the head screw 21 can reach over the through hole 17 in the locking device 13 in the threaded hole 11 for fixing the locking device 13 on the switch housing 5.
- the cap screw 21 can not be manipulated with a tool.
- Fig. 4 shows the circuit breaker 1 in a state in which the main contacts welded together as a result of a short circuit and thus are still closed. Due to the short circuit of the switching mechanism 41 has indeed been triggered, but could the shift gate 9 and thus the rocker arm 3 is not the normal off position according to Fig. 3 taking. As a result of the switching mechanism 41 inherent elasticity and the restoring forces caused by the welded main contacts take the shift gate 9 and thus necessarily the rocker arm 3 and the threaded hole 11 positions, compared to the in Fig. 3 shown positions are offset by the same angular amount counterclockwise. Also in this state, the rocker arm 3 can be covered by the cover 15.
- the rocker arm 3 is now one of the first inner wall 45 located opposite, second inner wall 47 of the cover 15 close to. However, now the through hole 17 and the threaded hole 11 are out of alignment, so that the cap screw 21 can not penetrate into the threaded hole 11 for securing the locking device 13.
- the threaded bore 11 is also partially covered by the switch housing 5.
- One Attempt to complete the rocker arm 3 despite welded main contacts is doomed to failure. Because the effort to move the cap 15 enclosed by the tilting lever 3 against the restoring force of the switching mechanism 41 with the second inner wall 47 in the clockwise direction to the normal off position, causes no change to the relative position and thus to the offset between the threaded hole 11 and the through hole 17.
- circuit breakers are also to be understood as load-disconnectors.
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- Breakers (AREA)
Abstract
Description
Die Erfindung betrifft einen Niederspannungs-Leistungsschalter mit Abschließvorrichtung für dessen Kipphebel nach dem Oberbegriff des Anspruches 1, wobei unter einem Leistungsschalter auch ein Lasttrennschalter zu verstehen ist.The invention relates to a low-voltage circuit breaker with locking device for the rocker arm according to the preamble of
Als Folge eines Kurzschlusses in dem mit dem Schaltgerät verbundenen Stromkreis kann es zum Verschweißen der Hauptkontakte des Schaltgerätes kommen. Dabei hat sich herausgestellt, dass der Kipphebel entgegen seiner Rückstellkraft in die Aus-Stellung gebracht werden kann, obwohl die miteinander verschweißten Kontakte geschlossen sind. Dies birgt eine Gefahr für das Bedienpersonal, das bei dem in der anscheinenden Aus-Stellung abgeschlossenen Kipphebel mit fatalen Folgen irrtümlich auf einen spannungslosen Zustand des Stromkreises schließen kann. Es ist daher vorgeschrieben, dass ein Abschließen des Kipphebels unter diesen Umständen nicht möglich sein darf.As a result of a short circuit in the circuit connected to the switching device can lead to welding of the main contacts of the switching device. It has been found that the rocker arm can be brought against its restoring force in the off position, although the welded together contacts are closed. This poses a danger to the operating personnel, who can erroneously conclude that the power circuit is de-energized when the rocker arm is closed in the apparent off position with fatal consequences. It is therefore prescribed that a closure of the rocker arm under these circumstances may not be possible.
Aus der Druckschrift
oder weniger geneigte Stellung zu ermöglichen, wenn der Schalthebel in einer anderen als einer seiner beiden stabilen Stellungen steht. Das Tastelement ist zur Erfassung einer Zwischenstellung zwischen den genannten stabilen Stellungen des Kipphebels sowie zur Verhinderung des Abschließens in dieser Stellung ausgebildet. Das mit dem Hebel verbundene Spreizelement dient dazu, die Federarme auseinander zu drücken, wenn der Hebel von der ersten Stellung in die zweite Stellung verbracht wird, um die Ansätze in die Plombieröffnungen einzuschieben. Im aufgesetzten Zustand umschließt der haubenartige Aufsatz den Kipphebel.From the publication
or less inclined position when the shift lever is in other than one of its two stable positions. The probe element is designed to detect an intermediate position between said stable positions of the rocker arm and to prevent the closing in this position. The spreader connected to the lever serves to force the spring arms apart when the lever is moved from the first position to the second position to insert the lugs into the seal openings. When mounted, the hood-like attachment encloses the rocker arm.
Von Nachteil ist der komplizierte und damit kostenaufwändige Aufbau dieser Abschfießvorrichtung.A disadvantage is the complicated and therefore expensive construction of Abschabießvorrichtung.
Aus der Druckschrift
In der Druckschrift
Der Erfindung liegt daher die Aufgabe zugrunde, einen Leistungsschalter mit einer kostengünstigen Abschließvorrichtung anzugeben, mit der ein Abschließen des Kipphebels bei verschweißten Hauptkontakten ausgeschlossen ist.The invention is therefore based on the object of specifying a circuit breaker with a cost-locking device, with a completion of the rocker arm is excluded in welded main contacts.
Ausgehend von einem Leistungsschalter mit Abschließvorrichtung der eingangs genannten Art wird die Aufgabe erfindungsgemäß durch die Merkmale des unabhängigen Anspruches gelöst, während den abhängigen Ansprüchen vorteilhafte Weiterbildungen der Erfindung zu entnehmen sind.Starting from a circuit breaker with locking device of the type mentioned, the object is achieved by the features of the independent claim, while the dependent claims advantageous developments of the invention can be found.
Durch eine von außen durch das Schaltergehäuse zugängliche Gewindebohrung in der Schaltkulisse und die entsprechende Durchgangsbohrung in der Abschließvorrichtung sind Schaltgerät und Abschüeßvorrichtung mittels einer Kopfschraube miteinander verbindbar. Durch die zueinander bemessenen Abstände zwischen der Gewindebohrung und dem Kipphebel an der Schaltkulisse einerseits sowie zwischen der Durchgangsbohrung und einer dem in Aus-Stellung befindlichen Kipphebel nahe gegenüberstehenden, ersten Innenwand der Abdeckhaube an der Abschließvorrichtung anderseits, gelingt es ausschließlich in der normalen Aus-Stellung des Kipphebels diesen von der Abdeckhaube zu umschließen und gleichzeitig die Kopfschraube über die Durchgangsbohrung mit der Gewindebohrung in der Schaltkulisse zu verbinden. Bei einer anderen Stellung des Kipphebels, insbesondere bei verschweißten Hauptkontakten, könnte zwar die Abdeckhaube über den Kipphebel gestülpt werden, aber da die Längsachsen von Durchgangsbohrung und Gewindebohrung nicht fluchten, kann die Kopfschraube nicht zur Befestigung der Abschließvorrichtung mit der Schaltkulisse verbunden werden. Selbst der Versuch, den Kipphebel bei verschweißten Hauptkontakten entgegen der auf die Schaltkulisse wirkenden Rückstellkraft mithilfe einer Innenfläche der Abdeckhaube in Richtung Aus-Stellung zu bewegen, kann durch den unveränderten Abstand zwischen Kipphebel und Gewindebohrung an der Schaltkulisse nicht zu einer Position führen, in der die Längsachsen von Durchgangsbohrung und Gewindebohrung miteinander fluchten. Damit ist ein Abschließen des Kipphebels außerhalb der normalen Aus-Stellung ausgeschlossen. Anderseits ist der Kipphebel in seiner Aus-Stellung sicher abschließbar, da durch den in der mindestens einen Abschließöffnung der Abschließvorrichtung eingehängten Bügel eines Bügelschlosses die Kopfschraube für ein Werkzeug verdeckt ist, wodurch ein Lösen der Abschließvorrichtung vom Schaltgerät ohne autorisiertes Entfernen des Bügelschlosses ausgeschlossen ist. Somit ist der Leistungsschalter mit einer überlistungssicheren, unkompliziert zu befestigenden Abschließvorrichtung verbindbar.By an externally accessible through the switch housing threaded bore in the shift gate and the corresponding through hole in the locking device switching device and Abschüeßvorrichtung by means of a cap screw connected to each other. By the mutually dimensioned distances between the threaded bore and the rocker arm on the shift gate on the one hand and between the through hole and a rocker arm located in the off position close to each other, the first inner wall of the cover on the locking device on the other hand, it is possible only in the normal off position of Tilting lever to enclose this of the cover and at the same time to connect the cap screw through the through hole with the threaded hole in the shift gate. In another position of the rocker arm, in particular in welded main contacts, although the cover could be slipped over the rocker arm, but since the longitudinal axes of through hole and threaded hole are not aligned, the cap screw can not be connected to attach the locking device with the shift gate. Even the attempt to move the rocker arm in welded main contacts against the force acting on the shift gate restoring force by means of an inner surface of the cover toward off position, can not lead to a position in which the. Through the unchanged distance between the rocker arm and threaded bore on the shift gate Longitudinal axes of through-hole and threaded hole are aligned with each other. This excludes locking of the rocker arm outside the normal off position. On the other hand, the rocker arm is securely locked in its off position, as by the in the at least one Closing opening of the locking device Hinged bracket of a U-lock The head screw for a tool is concealed, whereby a release of the locking device is excluded from the switching device without authorized removal of the U-lock. Thus, the circuit breaker is connectable to a non-intrusive, easy-to-attach locking device.
Eine vorteilhafte Weiterbildung der Erfindung besteht in einer einteiligen, günstig herzustellenden Abschließvorrichtung.An advantageous development of the invention consists in a one-piece, low-cost locking device.
Eine weitere vorteilhafte Weiterbildung der Erfindung besteht darin, dass sich an die Abdeckhaube beidseitig zwei ösenförmige, zueinander fluchtende Abschließöffnungen in Kipprichtung des Kipphebels anschließen. Zwischen den zueinander beabstandeten Abschließöffnungen ist zum einen die Durchgangsbohrung zugängig. Zum anderen wird durch ein in den beiden Abschließöffnungen eingehängtes Bügelschloss die Kopfschraube versperrt.A further advantageous embodiment of the invention is that connect to the cover on both sides two eye-shaped, mutually aligned locking openings in the tilting direction of the rocker arm. On the one hand, the through-bore is accessible between the spaced-apart Abschließöffnungen. On the other hand, the head screw is locked by a hook lock suspended in the two locking openings.
Eine vorteilhafte Weiterbildung, die insbesondere dem Versperren der Kopfschraube dient, besteht darin, dass sich die Längsachsen der Durchgangsbohrung und der mindestens einen Abschließöffnung senkrecht schneiden.An advantageous development, which in particular serves to block the cap screw, is that the longitudinal axes of the through-hole and the at least one closing opening intersect perpendicularly.
Eine vorteilhafte Ausgestaltung der Erfindung besteht darin, dass im aufgesetzten Zustand der Abschließvorrichtung und bei verschweißten Hauptkontakten der Kipphebel einer der ersten Innenwand gegenüberstehenden, zweiten Innenwand der Abdeckhaube nahe gegenübersteht. So kann der Kipphebel sowohl in der Aus-Stellung als auch bei verschweißten Hauptkontakten von der Abdeckhaube umgeben werden, eine Befestigung der Abschließvorrichtung mittels der Kopfschraube ist allerdings wegen des feststehenden Abstandes zwischen Gewindebohrung und Kipphebel nicht möglich.An advantageous embodiment of the invention is that in the mounted state of the locking device and in welded main contacts of the rocker arm of one of the first inner wall opposite, the second inner wall of the cover is close to. Thus, the rocker arm can be surrounded both in the off position and in welded main contacts of the cover, a fastening of the locking device by means of the cap screw is not possible because of the fixed distance between the threaded hole and rocker arm.
Eine vorteilhafte Weiterbildung der Erfindung besteht außerdem darin, dass die zum Schaltergehäuse weisende Außenkontur des Abschließvorrichtung zu dem Schaltergehäuse im Bereich der Durchtrittsöffnung für den Kipphebel konform ausgebildet ist, insbesondere dann wenn seitlich von der Abschließvorrichtung in Richtung Schaltergehäuse wenigstens ein Steg ragt, der in eine entsprechende, neben der Durchtrittsöffnung entsprechend ausgebildete Stegaufnahme im Schaltergehäuse einführbar ist. Dies erleichtert ein sicheres Aufsetzen und Verbinden der Abschließvorrichtung auf dem Schaltgerät.An advantageous development of the invention also consists in that the outer contour of the locking device facing the switch housing is designed to conform to the switch housing in the region of the passage opening for the rocker arm, in particular when at least one web protrudes laterally from the locking device in the direction of the switch housing, into a corresponding one , trained in addition to the passage opening Bridge recording is inserted in the switch housing. This facilitates secure placement and connection of the locking device on the switching device.
Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus dem folgenden, anhand von Figuren erläuterten Ausführungsbeispiel. Es zeigen
- Figur 1:
- einen erfindungsgemäßen Leistungsschalter in perspektivischer Explosivdarstellung;
- Figur 2:
- den Leistungsschalter von
Fig. 1 im abgeschlossenen Zustand in perspektivischer Darstellung; - Figur 3:
- den Leistungsschalter von
Fig. 1 und Fig. 2 im Längsschnitt; - Figur 4:
- den Leistungsschalter von
Fig. 3 bei verschweißten Hauptkontakten.
- FIG. 1:
- a circuit breaker according to the invention in a perspective exploded view;
- FIG. 2:
- the circuit breaker of
Fig. 1 in the closed state in perspective view; - FIG. 3:
- the circuit breaker of
Fig. 1 and Fig. 2 in longitudinal section; - FIG. 4:
- the circuit breaker of
Fig. 3 with welded main contacts.
Die Abschließvorrichtung 13 ist einteilig als Spritzgussteil ausgebildet. Die Abschließvorrichtung 13 weist nahe der Abdeckhaube 15 eine Durchgangsbohrung 17 auf. Durch diese Durchgangsbohrung 17 kann der Gewindeschaft 19 einer Kopfschraube 21 zu der Gewindebohrung 11 gelangen, um mit der Schaltkulisse 9 verbunden zu werden und damit die Abschließvorrichtung 13 auf dem Schaltergehäuse 5 zu befestigen. Hierbei stützt sich die in der Gewindebohrung 11 festgezogene Kopfschraube 21 mit ihrem Kopf 23 an einem Auslauf 25 der Durchgangsbohrung 17 ab. An beiden Seiten der Abdeckhaube 13 schließen sich zwei ösenförmige, zueinander fluchtende Abschließöffnungen 27 an. Zwischen den beiden Abschließöffnungen 27 befindet sich der Zutritt zu der Durchgangsbohrung 17. Die Längsachse 29 der Durchgangsbohrung 17 und die gemeinsame Längsachse 31 der beiden Abschließöffnungen 27 schneiden sich senkrecht zueinander. Zum sicheren Aufsetzen und erleichterten Befestigen der Abschließvorrichtung 13 auf dem Schaltergehäuse 5 ist die zum Schaltergehäuse 5 weisende Außenkontur der Abschließvorrichtung 13 an das Schaltergehäuse 5 im Bereich der Durchtrittsöffnung 7 angepasst. Dem gleichen Zweck dienen eine Stegaufnahme 35, die neben der Durchtrittsöffnung 7 im Schaltergehäuse 5 ausgebildet ist, und ein der Stegaufnahme 35 angepasster Steg 33, der seitlich von der Abdeckhaube 15 ausgebildet ist. Beim Aufsetzen der Abschließvorrichtung 13 auf das Schaltergehäuse 5 gelangt der Steg 33, gewissermaßen die Position der Abschließvorrichtung 13 justierend, in die Stegaufnahme 35.The locking
Nachstehend werden mithilfe der
Nach
Zum einen sind auf der Schaltkulisse 9 die Gewindebohrung 11 und der Kipphebel 3 mit einem gewissen Winkel versetzt angeordnet. Zum anderen sind in der Abschließvorrichtung 13 die Durchgangsbohrung 17 und eine zur Abdeckhaube 15 gehörende erste Innenwand 45 der Abdeckhaube 15, die dem in Aus-Stellung befindlichen Kipphebel 3 nahe gegenübersteht, mit einem gewissen Abstand versetzt angeordnet. Die besagten Versätze zwischen der Gewindebohrung 11 und dem Kipphebel 3 einerseits und zwischen der Durchgangsbohrung 17 und der ersten Innenwand 45 anderseits sind zueinander in der Weise bemessen, dass lediglich in der Aus-Stellung sowohl der Kipphebel 3 von der Abdeckhaube 15 abgedeckt werden kann als auch die Durchgangsbohrung 17 sich in Flucht mit der Gewindebohrung 11 befindet, sodass ausschließlich in der Aus-Stellung die Kopfschraube 21 über die Durchgangsbohrung 17 in der Abschließvorrichtung 13 in die Gewindebohrung 11 zum Befestigen der Abschließvorrichtung 13 auf dem Schaltergehäuse 5 greifen kann. Durch den in die Abschließöffnungen 27 eingehängten Bügel 39 bei verschlossenem Bügelschloss 37 kann die Kopfschraube 21 nicht mehr mit einem Werkzeug manipuliert werden.First, the threaded bore 11 and the
Die vorliegende Erfindung ist nicht auf die vorstehend beschriebene Ausführungsform beschränkt, sondern umfasst auch alle im Sinne der Erfindung gleichwirkenden Ausführungsformen. So lässt sich die Erfindung beispielsweise auch auf mehrpolige Leistungsschalter anwenden. Unter Leistungsschalter sind im Sinne der Erfindung auch Lasttrennschalter zu verstehen.The present invention is not limited to the embodiment described above, but also includes all the same in the context of the invention embodiments. For example, the invention can also be applied to multi-pole circuit breakers. In the context of the invention, circuit breakers are also to be understood as load-disconnectors.
- 11
- Leistungsschalterbreakers
- 33
- Kipphebelrocker arm
- 55
- Schaltergehäuseswitch housing
- 77
- DurchtrittsöffnungThrough opening
- 99
- Schaltkulisseshift gate
- 1111
- Gewindebohrungthreaded hole
- 1313
- AbschließvorrichtungLocking
- 1515
- Abdeckhaubecover
- 1717
- DurchgangsbohrungThrough Hole
- 1919
- Gewinde schaftThread shank
- 2121
- Kopfschraubehead screw
- 2323
- Kopfhead
- 2525
- Auslaufoutlet
- 2727
- AbschließöffnungAbschließöffnung
- 29; 3129; 31
- Längsachsenlongitudinal axes
- 3333
- Stegweb
- 3535
- StegaufnahmeSteg recording
- 3737
- BügelschlossU-lock
- 3939
- Bügelhanger
- 4141
- Schaltmechanismusswitching mechanism
- 4343
- Schwenkachseswivel axis
- 45; 4745; 47
- Innenwändeinterior walls
Claims (7)
dadurch gekennzeichnet,
characterized,
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010020987 DE102010020987B4 (en) | 2010-05-19 | 2010-05-19 | Circuit breaker with locking device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2388790A1 true EP2388790A1 (en) | 2011-11-23 |
EP2388790B1 EP2388790B1 (en) | 2016-08-10 |
Family
ID=44117800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11166423.1A Active EP2388790B1 (en) | 2010-05-19 | 2011-05-17 | Circuit breaker with locking device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2388790B1 (en) |
DE (1) | DE102010020987B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2490238A1 (en) * | 2011-02-16 | 2012-08-22 | Panduit Corp. | Circuit Breaker Lockout |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012110248A1 (en) | 2012-10-26 | 2014-04-30 | Eaton Industries (Austria) Gmbh | Lock for circuit breaker of circuit breaker system, has base structure that is provided with locking opening whose axis is extended transversely across the cover, when cover is positioned in the first position |
DE102013112590A1 (en) | 2013-11-15 | 2015-05-21 | Eaton Industries Austria Gmbh | Lock for a circuit breaker |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2849552A (en) * | 1954-03-19 | 1958-08-26 | Westinghouse Electric Corp | Circuit breaker locking |
GB2128411A (en) * | 1982-10-07 | 1984-04-26 | Sace Spa | Electric switch in which the control lever travel is arrested if the contacts become welded together |
GB2208454A (en) * | 1987-08-05 | 1989-03-30 | Bicc Plc | Electric switch locking device |
FR2658658A1 (en) * | 1990-02-16 | 1991-08-23 | Gen Electric | INTERLOCKING ARRANGEMENT OF THE HANDLE OF A CIRCUIT BREAKER. |
DE4101834A1 (en) * | 1991-01-23 | 1992-07-30 | Kloeckner Moeller Gmbh | Lock for circuit breaker - has protruding actuating toggle whose head is fitted with swivelling strap with stop between release and lock positions |
EP0604331A1 (en) * | 1992-12-21 | 1994-06-29 | Schneider Electric Sa | Locking device with a padlock of a manual control lever of a modular electric switching device |
DE4227213C2 (en) | 1992-08-17 | 1995-08-31 | Kloeckner Moeller Gmbh | Switch lock for a circuit breaker |
EP0824263A2 (en) * | 1996-08-13 | 1998-02-18 | Panduit Corporation | Circuit breaker lockout device |
EP0737991B1 (en) | 1995-04-13 | 2002-06-12 | Schneider Electric Industries SA | Electric apparatus, especially circuit breaker provided with a security device |
JP2004014288A (en) * | 2002-06-06 | 2004-01-15 | Hitachi Industrial Equipment Systems Co Ltd | Circuit breaker |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2650701B1 (en) * | 1989-08-03 | 1995-12-15 | Merlin Gerin | MODULAR CIRCUIT-BREAKER OR SWITCH HAVING A DISCONNECTION MODULE |
-
2010
- 2010-05-19 DE DE201010020987 patent/DE102010020987B4/en not_active Expired - Fee Related
-
2011
- 2011-05-17 EP EP11166423.1A patent/EP2388790B1/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2849552A (en) * | 1954-03-19 | 1958-08-26 | Westinghouse Electric Corp | Circuit breaker locking |
GB2128411A (en) * | 1982-10-07 | 1984-04-26 | Sace Spa | Electric switch in which the control lever travel is arrested if the contacts become welded together |
GB2208454A (en) * | 1987-08-05 | 1989-03-30 | Bicc Plc | Electric switch locking device |
FR2658658A1 (en) * | 1990-02-16 | 1991-08-23 | Gen Electric | INTERLOCKING ARRANGEMENT OF THE HANDLE OF A CIRCUIT BREAKER. |
DE4101834A1 (en) * | 1991-01-23 | 1992-07-30 | Kloeckner Moeller Gmbh | Lock for circuit breaker - has protruding actuating toggle whose head is fitted with swivelling strap with stop between release and lock positions |
DE4227213C2 (en) | 1992-08-17 | 1995-08-31 | Kloeckner Moeller Gmbh | Switch lock for a circuit breaker |
EP0604331A1 (en) * | 1992-12-21 | 1994-06-29 | Schneider Electric Sa | Locking device with a padlock of a manual control lever of a modular electric switching device |
EP0604331B1 (en) | 1992-12-21 | 1997-08-06 | Schneider Electric Sa | Locking device with a padlock of a manual control lever of a modular electric switching device |
EP0737991B1 (en) | 1995-04-13 | 2002-06-12 | Schneider Electric Industries SA | Electric apparatus, especially circuit breaker provided with a security device |
EP0824263A2 (en) * | 1996-08-13 | 1998-02-18 | Panduit Corporation | Circuit breaker lockout device |
JP2004014288A (en) * | 2002-06-06 | 2004-01-15 | Hitachi Industrial Equipment Systems Co Ltd | Circuit breaker |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2490238A1 (en) * | 2011-02-16 | 2012-08-22 | Panduit Corp. | Circuit Breaker Lockout |
US8629359B2 (en) | 2011-02-16 | 2014-01-14 | Panduit Corp. | Circuit breaker lockout |
Also Published As
Publication number | Publication date |
---|---|
DE102010020987B4 (en) | 2012-04-05 |
EP2388790B1 (en) | 2016-08-10 |
DE102010020987A1 (en) | 2011-11-24 |
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