EP1344286A2 - Electrical socket - Google Patents

Electrical socket

Info

Publication number
EP1344286A2
EP1344286A2 EP01984862A EP01984862A EP1344286A2 EP 1344286 A2 EP1344286 A2 EP 1344286A2 EP 01984862 A EP01984862 A EP 01984862A EP 01984862 A EP01984862 A EP 01984862A EP 1344286 A2 EP1344286 A2 EP 1344286A2
Authority
EP
European Patent Office
Prior art keywords
socket
locking
electrical
locking part
socket insert
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
EP01984862A
Other languages
German (de)
French (fr)
Other versions
EP1344286B1 (en
Inventor
Gerhard Schwarz
Rainer Naumann
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.)
Cooper Crouse Hinds GmbH
Original Assignee
CEAG Sicherheitstechnik GmbH
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 CEAG Sicherheitstechnik GmbH filed Critical CEAG Sicherheitstechnik GmbH
Publication of EP1344286A2 publication Critical patent/EP1344286A2/en
Application granted granted Critical
Publication of EP1344286B1 publication Critical patent/EP1344286B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure

Definitions

  • the invention relates to an electrical socket, in particular for explosion-protected areas, with a socket insert rotatably mounted in a socket housing between a switch-off and switch-on position, in which an essentially pin-shaped locking device is adjustably mounted between a pressed-in blocking and a release position protruding from the socket insert, whereby in the release position of the locking device, the socket insert can be rotated between the on and off positions.
  • Such an electrical socket is known from DE 299 15 263.
  • the known socket forms part of an electrical plug device, wherein a socket insert of the socket can be rotated between the off and on position by means of the plug inserted in the socket.
  • the essentially pin-shaped locking device has at least one coding projection which, when the plug is inserted into the socket insert, is arranged in a corresponding coding recess in the plug with the locking device arranged in its release position. In the release position of the locking device, the socket insert can be rotated between the off and on position.
  • Such electrical plug devices make it possible to connect and disconnect from the power supply, in particular for explosion-protected areas. Due to the corresponding coding of the pin-shaped locking device and the plug with the corresponding coding recess, the electrical plug-in device can only be switched on with a specific plug. If a plug has a different or no corresponding coding recess, the locking device is pressed into its blocking position and the socket insert cannot be rotated from the switched-off position to the switched-on position. Without using an appropriate connector, the Locking device arranged by acting on a spring or the like in its release division.
  • the previously known electrical socket can accordingly only be connected to the associated plug and cannot be used with other plugs.
  • the present invention has for its object to improve an electrical socket of the type mentioned in such a way that the electrical socket can also be connected to other plugs on certain occasions.
  • the essentially pin-shaped locking device is formed from at least one removable locking part and a blocking part, which are arranged one above the other in the socket insert and from which the locking part protrudes from the socket insert in the release position.
  • the electrical socket according to the invention can usually only be connected to the correspondingly coded plug.
  • the locking part is removed, only the blocker part of the locking device is arranged in the socket insert. This does not protrude from the socket insert, so that a suitable coding in a plug that can be connected to the socket is not necessary in this case. This means that even a standard industrial plug can then be fully inserted into the electrical socket so that it can be turned from its off position to its on position.
  • the locking part can be removed in particular if the corresponding device, to which the electrical socket is connected, is supplied with electricity for repair purposes or the like and in particular not in an area at risk of explosion.
  • a special connector coding is not required for such repair purposes and, in particular, the correspondingly coded connectors do not have to be stored and used for connection to the electrical socket for different codes.
  • each electrical socket can be used with a commercially available industrial plug, in particular for repair purposes, regardless of the coding of its locking device. Since the coding in the electrical socket according to the invention essentially takes place via the locking part, it is conceivable that the locking part and the blocking part have different cross sections. Only the locking part is arranged with its corresponding coding projection in an associated coding recess in the connector. For example, it is conceivable that the blocking part has a circular cross section, while the locking part has a cross section that is used for coding.
  • Such a cross section is, for example, a certain angular cross section, an irregularly shaped cross section, a cross section which has two arms pointing away from a center, a star-shaped cross section or the like. It is of course also possible that the arms are arranged at an angle of not equal to 180 ° in the above-mentioned cross section or that more than two arms protrude from the corresponding center point.
  • the locking part can be detachably fastened in the socket insert. In this way, the locking part cannot fall out and be lost after the plug has been removed. In addition, in this case the locking part does not have to be reinserted each time a plug is inserted, but remains in the socket insert even after the plug has been removed.
  • the locking part can have a lateral longitudinal slot with which a locking pin, which is slidably mounted in the socket insert, can be brought into engagement.
  • Further possibilities for releasably fastening the locking part are a corresponding latching engagement of the locking part and socket insert and / or blocking part or the like.
  • the locking pin can also be spring-loaded in the direction of the engagement position, so that it engages automatically in the corresponding longitudinal slot when the locking part is inserted. The locking pin can be released, for example, using a tool or a device provided separately on the socket.
  • the locking pin can be locked by a locking cylinder arranged in the socket insert.
  • a locking cylinder arranged in the socket insert.
  • this can be used to turn the locking cylinder between an open and a closed position. In the closed position, the locking pin is in engagement with the longitudinal slot in the locking part, so that it cannot be removed from the socket insert. In the open position of the locking cylinder, the locking pin does not engage in the longitudinal slot and the locking part can simply be removed.
  • a warning may be visible when the locking part is removed.
  • a simple exemplary embodiment of such a warning is a specific identification of the end of the blocking part facing the locking part, which is visible when the locking part is removed. This end can be identified, for example, by a corresponding warning or signal color.
  • such a display device is a warning lamp which lights up when the locking part is removed.
  • a warning lamp can light up red when the locking part is removed. It is also possible for a further lamp to light up green when the locking part is inserted, in order to permit the use of the electrical socket according to the invention, in particular in potentially explosive areas.
  • the display device can also be designed in such a way that a legible warning is displayed, such as "do not use in potentially explosive areas".
  • the presence or absence of the locking part can be determined electrically accordingly, it being possible for an electrical contact to be closed in a simple exemplary embodiment when the locking part and the blocking part are in contact, and the electrical display device to be deactivated. In this way, no separate electrical devices are required in the socket insert and that The electrical display device is switched on or off directly via the locking part and blocking part.
  • the locking part can have at its end facing the blocking part a contact element which connects electrical lines provided in or on the blocking part to one another. If the electrical lines are connected to one another when the locking part is inserted, the electrical display device is deactivated and does not display any warning. If the locking part is removed, the electrical display device is activated.
  • the contact element can be designed as a short-circuit contact, which short-circuits two electrical lines which are led through the blocking part to the display device. In this way, the electrical lines are short-circuited when the locking part is inserted and there is no electrical supply to the display device.
  • Figure 1 is a front view of an electrical outlet according to the invention.
  • FIG. 2 shows an enlarged illustration of the detail “X” from FIG. 1 with the locking part inserted
  • Figure 3 is a view analogous to Figure 2 with the locking part removed, and
  • FIG. 1 shows a front view of an electrical socket 1 according to the invention.
  • This has a socket housing 2 with an approximately rectangular cross section.
  • a socket insert 3 is rotatably mounted between an on and an off position of the socket.
  • five contact sockets 15 are visible in the socket insert 3, into which corresponding contact pins of a plug, not shown, can be inserted.
  • a locking device 4 is arranged centrally between the contact sockets 15. This is essentially pin-shaped and is adjustable in a corresponding hole in the socket insert between a blocking and a release position.
  • the locking device 4 projects beyond the socket insert 3 and is at most partially pressed into the socket insert and in the blocking position, the locking device 4 is pressed into the socket insert 3 to such an extent that the socket insert cannot be rotated.
  • the socket insert 3 can only be rotated into its switched-on position by a corresponding plug in the release division of the locking device 4.
  • FIG. 1 A detail “X” from FIG. 1 is shown enlarged in FIG.
  • the locking device 4 is constructed at least in two parts from the locking part 5 and the blocking part 6. If the electrical socket is intended for use in potentially explosive areas, the locking part 5 is inserted and releasably fastened in the socket insert 3. The releasable attachment takes place via an engagement of a locking pin 8 in a lateral longitudinal slot 7 in the locking part 5. The locking pin 8 is displaceable by a locking cylinder 9 in the socket insert 3. In the engagement position shown in Figure 2, the locking member 5 is fixed in the socket insert 3 and slidably mounted therein.
  • the locking part 5 has a three-armed cross section, the three arms being arranged at the same angles to one another. Other cross sections are possible.
  • FIG. 3 shows a view analogous to FIG. 2.
  • the lock cylinder 9 is rotated via a key inserted into the keyhole 16 (not shown) in such a way that the locking pin 8 is withdrawn from the longitudinal slot J.
  • a blocking part 6 is arranged below the locking part 5, see also FIG. 4.
  • a correspondingly shaped bore is formed in the socket insert 3, in which the two parts forming the locking device 4 are guided in the longitudinal direction.
  • FIG. 4 shows a perspective top view of locking part 5 and blocking part 6. To simplify, socket insert 3 and other parts of the electrical socket 1 are not shown.
  • Locking part 5 and blocking part 6 are two individual parts of the pin-shaped locking device 4. Both have the same and essentially three-armed cross section. The arms form equal angles with each other.
  • a contact element 13 is arranged on an end 12 of the locking part 5 facing the blocking part 6. This can be in the form of an essentially flat contact plate.
  • the contact element 3 serves as a short-circuit element which connects free ends 18 of electrical lines 14 to one another.
  • the free ends 18 of the electrical line 14 are arranged in a front end 17 of the blocking part 6 facing the locking part 5.
  • the electrical lines 14 extend to an electrical display device 10. A warning can be displayed there, such as “do not use in potentially explosive areas”.
  • the contact element 13 If the contact element 13 is not in contact with the free ends 18 when the locking part 5 is removed, the free ends 18 are accordingly not short-circuited and there is an electrical supply to the display device 10 to display the warning.
  • the electrical display device 10 is only deactivated when the free ends 18 of the electrical lines 14 are short-circuited.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Glass Compositions (AREA)
  • Non-Insulated Conductors (AREA)
  • Inorganic Insulating Materials (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

An electrical socket, in particular for explosion-proof areas, comprising a socket insert, which is supported in a socket housing such that it is adapted to be rotated between off- and on-positions and in which a substantially pin-shaped locking means is supported such that it is displaceable between a pressed-down blocking position and a release position in which it projects beyond the socket insert. In the release position of the locking means, said socket insert is rotatable between said off- and on-positions. In order to improve an electrical socket of this type in such a way that it can also be connected to other plugs on certain occasions, the substantially pin-shaped locking means is defined by at least one removable locking component and a blocking component, which are arranged on top of one another in the socket insert, the locking component projecting beyond the socket insert in the release position.

Description

Elektrische Steckdose Electrical outlet
B E S C H R E I B U N GDESCRIPTION
Die Erfindung betrifft eine elektrische Steckdose, insbesondere für explosionsgeschützte Bereiche, mit einem in einem Steckdosengehäuse zwischen einer Aus- und Einschaltstellung verdrehbar gelagerten Steckdoseneinsatz, in dem eine im wesentlichen stiftformige Verriegelungseinrichtung zwischen einer eingedrückten Blockier- und einer vom Steckdoseneinsatz vorstehenden Freigabestellung verstellbar gelagert ist, wobei in Freigabestellung der Verriegelungseinrichtung der Steckdoseneinsatz zwischen Aus- und Einschaltstellung verdrehbar ist.The invention relates to an electrical socket, in particular for explosion-protected areas, with a socket insert rotatably mounted in a socket housing between a switch-off and switch-on position, in which an essentially pin-shaped locking device is adjustably mounted between a pressed-in blocking and a release position protruding from the socket insert, whereby in the release position of the locking device, the socket insert can be rotated between the on and off positions.
Eine solche elektrische Steckdose ist aus der DE 299 15 263 bekannt. Die vorbekannte Steckdose bildet einen Teil einer elektrischen Steckvorrichtung, wobei ein Steckdoseneinsatz der Steckdose mittels des in der Steckdose eingesteckten Steckers zwischen Aus- und Einschaltstellung verdrehbar ist. Die im wesentlichen stiftformige Verriegelungseinrichtung weist wenigstens einen Kodiervorsprung auf, der bei in den Steckdoseneinsatz eingestecktem Stecker in einer entsprechenden Kodierausnehmung im Stecker unter Anordnung der Verriegelungseinrichtung in ihrer Freigabestellung angeordnet ist. In Freigabestellung der Verriegelungseinrichtung ist der Steckdoseneinsatz zwischen Aus- und Einschaltstellung verdrehbar.Such an electrical socket is known from DE 299 15 263. The known socket forms part of an electrical plug device, wherein a socket insert of the socket can be rotated between the off and on position by means of the plug inserted in the socket. The essentially pin-shaped locking device has at least one coding projection which, when the plug is inserted into the socket insert, is arranged in a corresponding coding recess in the plug with the locking device arranged in its release position. In the release position of the locking device, the socket insert can be rotated between the off and on position.
Durch solche elektrischen Steckvorrichtungen ist ein spannungsloses Stecken und Zuschalten, insbesondere für explosionsgeschützte Bereiche möglich. Durch die entsprechende Kodierung von stiftförmiger Verriegelungseinrichtung und Stecker mit entsprechender Kodierausnehmung ist nur bei bestimmtem Stecker ein Einschalten der elektrischen Steckvorrichtung möglich. Verfügt ein Stecker über eine andere oder keine entsprechende Kodierausnehmung, wird die Verriegelungseinrichtung in ihre Blockierstellung eingedrückt und der Steckdoseneinsatz ist nicht aus der Ausschaltstellung in die Einschaltstellung verdrehbar. Ohne Verwendung eines entsprechenden Steckers ist die Verriegelungseinrichtung durch Beaufschlagung einer Feder oder dergleichen in ihrer Freigabesteilung angeordnet.Such electrical plug devices make it possible to connect and disconnect from the power supply, in particular for explosion-protected areas. Due to the corresponding coding of the pin-shaped locking device and the plug with the corresponding coding recess, the electrical plug-in device can only be switched on with a specific plug. If a plug has a different or no corresponding coding recess, the locking device is pressed into its blocking position and the socket insert cannot be rotated from the switched-off position to the switched-on position. Without using an appropriate connector, the Locking device arranged by acting on a spring or the like in its release division.
Die vorbekaπnte elektrische Steckdose ist entsprechend nur mit dem zugehörigen Stecker verbindbar und nicht mit anderen Steckern verwendbar.The previously known electrical socket can accordingly only be connected to the associated plug and cannot be used with other plugs.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine elektrische Steckdose der eingangs genannten Art dahingehend zu verbessern, dass die elektrische Steckdose bei bestimmten Gelegenheiten auch mit anderen Steckern verbindbar ist.The present invention has for its object to improve an electrical socket of the type mentioned in such a way that the electrical socket can also be connected to other plugs on certain occasions.
Diese Aufgabe wird im Zusammenhang mit den Merkmalen des Oberbegriffs des Anspruchs 1 dadurch gelöst, dass die im wesentlichen stiftformige Verriegelungseinrichtung aus wenigstens einem entfembaren Verriegelungsteil und einem Blockierteil gebildet ist, welche im Steckdoseneinsatz übereinander angeordnet sind und von welchen das Verriegelungsteil vom Steckdoseneinsatz in Freigabestellung vorsteht.This object is achieved in connection with the features of the preamble of claim 1 in that the essentially pin-shaped locking device is formed from at least one removable locking part and a blocking part, which are arranged one above the other in the socket insert and from which the locking part protrudes from the socket insert in the release position.
Bei eingesetztem Verriegelungsteil ist die erfindungsgemäße elektrische Steckdose in üblicher weise nur mit dem entsprechend kodierten Stecker verbindbar. Wird allerdings das Verriegelungsteil entfernt, ist nur noch das Blockerteil der Verriegelungseinrichtung im Steckdoseneinsatz angeordnet. Dieses steht über den Steckdoseneinsatz nicht vor, so dass eine passende Kodierung in einem mit der Steckdose verbindbaren Stecker in diesem Fall nicht erforderlich ist. Das heißt, auch ein handelsüblicher Industriestecker kann dann vollständig in die elektrische Steckdose eingeführt werden, so dass diese aus ihrer Aus- in ihre Einschaltstellung verdrehbar ist. Ein Entfernen des Verriegelungsteils kann insbesondere dann erfolgen, wenn die entsprechende Vorrichtung, mit der die elektrische Steckdose verbunden ist, zu Reparaturzwecken oder dergleichen und insbesondere nicht in einem explosionsgefährdeten Bereich elektrisch versorgt wird. Für solche Reparaturzwecke ist eine spezielle Steckerkodierung nicht erforderlich und insbesondere müssen für unterschiedliche Kodierungen nicht die entsprechend kodierten Stecker bevorratet und zur Verbindung mit der elektrischen Steckdose verwendet werden. Statt dessen kann jede elektrische Steckdose unabhängig von der Kodierung ihrer Verriegelungseinrichtung mit einem handelsüblichen Industriestecker zu insbesondere Reparaturzwecken verwendet werden. Da die Kodierung bei der erfindungsgemäßen elektrischen Steckdose im wesentlichen über das Verriegelungsteil erfolgt, ist es denkbar, dass Verriegelungsteil und Blockierteil unterschiedliche Querschnitte aufweisen. Nur das Verriegelungsteil wird mit seinem entsprechenden Kodiervorsprung in einer zugehörigen Kodierausnehmung im Stecker angeordnet. Beispielsweise ist es denkbar, dass das Blockierteil einen kreisförmigen Querschnitt aufweist, während das Verriegelungsteil einen Querschnitt aufweist, der zur Kodierung dient. Ein solcher Querschnitt ist beispielsweise ein bestimmter eckiger Querschnitt, ein unregelmäßig geformter Querschnitt, ein Querschnitt, der zwei von einer Mitte fortweisenden Arme aufweist, ein sternförmiger Querschnitt oder dergleichen. Es ist selbstverständlich auch möglich, dass die Arme bei dem vorangehend genannten Querschnitt unter einem Winkel von ungleich 180° angeordnet sind oder dass mehr als zwei Arme vom entsprechenden Mittelpunkt abstehen.When the locking part is inserted, the electrical socket according to the invention can usually only be connected to the correspondingly coded plug. However, if the locking part is removed, only the blocker part of the locking device is arranged in the socket insert. This does not protrude from the socket insert, so that a suitable coding in a plug that can be connected to the socket is not necessary in this case. This means that even a standard industrial plug can then be fully inserted into the electrical socket so that it can be turned from its off position to its on position. The locking part can be removed in particular if the corresponding device, to which the electrical socket is connected, is supplied with electricity for repair purposes or the like and in particular not in an area at risk of explosion. A special connector coding is not required for such repair purposes and, in particular, the correspondingly coded connectors do not have to be stored and used for connection to the electrical socket for different codes. Instead, each electrical socket can be used with a commercially available industrial plug, in particular for repair purposes, regardless of the coding of its locking device. Since the coding in the electrical socket according to the invention essentially takes place via the locking part, it is conceivable that the locking part and the blocking part have different cross sections. Only the locking part is arranged with its corresponding coding projection in an associated coding recess in the connector. For example, it is conceivable that the blocking part has a circular cross section, while the locking part has a cross section that is used for coding. Such a cross section is, for example, a certain angular cross section, an irregularly shaped cross section, a cross section which has two arms pointing away from a center, a star-shaped cross section or the like. It is of course also possible that the arms are arranged at an angle of not equal to 180 ° in the above-mentioned cross section or that more than two arms protrude from the corresponding center point.
Um zu verhindern, dass das Verriegelungsteil aus dem Steckdoseneinsatz herausfallen kann, kann das Verriegelungsteil im Steckdoseneinsatz lösbar befestigt sein. Auf diese Weise kann das Verriegelungsteil nicht nach Entfernen des Steckers herausfallen und verloren gehen. Außerdem muss das Verriegelungsteil in diesem Fall nicht jedes mal vor Einsetzen eines Steckers neu eingesetzt werden, sondern verbleibt auch nach Entfernen des Steckers im Steckdoseneinsatz.To prevent the locking part from falling out of the socket insert, the locking part can be detachably fastened in the socket insert. In this way, the locking part cannot fall out and be lost after the plug has been removed. In addition, in this case the locking part does not have to be reinserted each time a plug is inserted, but remains in the socket insert even after the plug has been removed.
Die lösbare Befestigung des Verriegelungsteils kann in unterschiedlicher Weise erfolgen. Bei einem einfachen Ausführungsbeispiel kann das Verriegelungsteil einen seitlichen Längsschlitz aufweisen, mit dem ein verschiebbar im Steckdoseneinsatz gelagerter Verriegelungsstift in Eingriff bringbar ist. Weitere Möglichkeiten zum lösbaren Befestigen des Verriegelungsteils sind ein entsprechender Rasteingriff von Verriegelungsteil und Steckdoseneinsatz und/oder Blockierteil oder dergleichen. Auch der Verriegelungsstift kann in Richtung Eingriffsstellung federbelastet sein, so dass er selbsttätig in den entsprechenden Längsschlitz bei eingesetztem Verriegelungsteil eingreift. Ein Lösen des Verriegelungsstiftes kann beispielsweise durch ein Werkzeug oder eine separat an der Steckdose vorgesehene Einrichtung erfolgen.The releasable attachment of the locking part can be done in different ways. In a simple exemplary embodiment, the locking part can have a lateral longitudinal slot with which a locking pin, which is slidably mounted in the socket insert, can be brought into engagement. Further possibilities for releasably fastening the locking part are a corresponding latching engagement of the locking part and socket insert and / or blocking part or the like. The locking pin can also be spring-loaded in the direction of the engagement position, so that it engages automatically in the corresponding longitudinal slot when the locking part is inserted. The locking pin can be released, for example, using a tool or a device provided separately on the socket.
Um ein Entnehmen des Verriegelungsteils zu erschweren und nur mit entsprechender Autorisierung durchführen zu können, kann der Verriegelungsstift durch einen im Steckdoseneinsatz angeordneten Schließzylinder verschließbar sein. Zur Betätigung des Schließzylinders ist ein entsprechender Schlüssel notwendig. Durch diesen kann wie bei einem bekannten Schloss der Schließzylinder zwischen einer Öffnungs- und einer Schließstellung verdreht werden. In der Schließstellung ist der Verriegelungsstift in Eingriff mit dem Längsschlitz im Verriegelungsteil, so dass dieses nicht aus dem Steckdoseneinsatz entnehmbar ist. In der Öffnungsstellung des Schließzylinders greift der Verriegelungsstift nicht in den Längsschlitz ein und das Verriegelungsteil kann einfach entnommen werden.In order to make it difficult to remove the locking part and to be able to carry it out only with appropriate authorization, the locking pin can be locked by a locking cylinder arranged in the socket insert. To operate the A corresponding key is required for the locking cylinder. As in a known lock, this can be used to turn the locking cylinder between an open and a closed position. In the closed position, the locking pin is in engagement with the longitudinal slot in the locking part, so that it cannot be removed from the socket insert. In the open position of the locking cylinder, the locking pin does not engage in the longitudinal slot and the locking part can simply be removed.
Um bei entferntem Verriegelungsteil jeden Benutzer der elektrischen Steckdose darauf hinzuweisen, dass diese insbesondere in explosionsgefährdeten Bereichen nicht mehr verwendet werden darf, kann bei entferntem Verriegelungsteil ein Warnhinweis sichtbar sein. Ein einfaches Ausführungsbeispiel für einen solchen Warnhinweis ist eine bestimmte Kennzeichnung des dem Verriegelungsteil zuweisenden Endes des Blockierteils, das bei entferntem Verriegelungsteil sichtbar ist. Dieses Ende kann beispielsweise durch eine entsprechende Warn- oder Signalfarbe gekennzeichnet sein.In order to inform every user of the electrical socket when the locking part is removed that this may no longer be used, particularly in potentially explosive areas, a warning may be visible when the locking part is removed. A simple exemplary embodiment of such a warning is a specific identification of the end of the blocking part facing the locking part, which is visible when the locking part is removed. This end can be identified, for example, by a corresponding warning or signal color.
Um den Warnhinweis deutlicher zu gestalten, kann er auf einer elektrisch betriebenen Anzeigeeinrichtung sichtbar sein. Eine solche Anzeigeeinrichtung ist im einfachsten Fall eine Warnlampe, die bei entferntem Verriegelungsteil leuchtet. Beispielsweise kann eine solche Wamlampe bei entferntem Verriegelungsteil rot aufleuchten. Es ist ebenfalls möglich, dass bei eingesetztem Verriegelungsteil eine weitere Lampe grün aufleuchtet, um die Verwendung der erfindungsgemäßen elektrischen Steckdose insbesondere in explosionsgefährdeten Bereichen zu erlauben.In order to make the warning more clear, it can be visible on an electrically operated display device. In the simplest case, such a display device is a warning lamp which lights up when the locking part is removed. For example, such a warning lamp can light up red when the locking part is removed. It is also possible for a further lamp to light up green when the locking part is inserted, in order to permit the use of the electrical socket according to the invention, in particular in potentially explosive areas.
Die Anzeigeeinrichtung kann außerdem so gestaltet sein, dass ein lesbarer Warnhinweis dargestellt wird, wie beispielsweise „Nicht in explosionsgefährdeten Bereichen benutzen".The display device can also be designed in such a way that a legible warning is displayed, such as "do not use in potentially explosive areas".
Das Vorhandensein oder die Abwesenheit des Verriegelungsteils kann entsprechend elektrisch festgestellt werden, wobei bei einem einfachen Ausführungsbeispiel bei Anlage von Verriegelungsteil und Blockierteil ein elektrischer Kontakt geschlossen und die elektrische Anzeigeeinrichtung unwirksam geschaltet sein kann. Auf diese Weise sind keine separaten elektrischen Einrichtungen im Steckdoseneinsatz erforderlich und das Ein- oder Ausschalten der elektrischen Anzeigeeinrichtung erfolgt direkt über Verriegelungsteil und Blockierteil.The presence or absence of the locking part can be determined electrically accordingly, it being possible for an electrical contact to be closed in a simple exemplary embodiment when the locking part and the blocking part are in contact, and the electrical display device to be deactivated. In this way, no separate electrical devices are required in the socket insert and that The electrical display device is switched on or off directly via the locking part and blocking part.
Um den elektrischen Kontakt zwischen Verriegelungsteil und Blockierteil in einfacher Weise herzustellen, kann das Verriegelungsteil an seinem dem Blockierteil zuweisenden Ende ein Kontaktelement aufweisen, welches im oder am Blockierteil vorgesehene elektrische Leitungen miteinander verbindet. Sind die elektrischen Leitungen bei einge- -- setztem Verriegelungsteil miteinander verbunden, ist die elektrische Anzeigeeinrichtung unwirksam geschaltet und zeigt keinen Warnhinweis an. Ist das Verriegelungsteil entfernt, ist die elektrische Anzeigeeinrichtung wirksam geschaltet.In order to establish the electrical contact between the locking part and the blocking part in a simple manner, the locking part can have at its end facing the blocking part a contact element which connects electrical lines provided in or on the blocking part to one another. If the electrical lines are connected to one another when the locking part is inserted, the electrical display device is deactivated and does not display any warning. If the locking part is removed, the electrical display device is activated.
Bei einem einfachen Ausführungsbeispiel kann das Kontaktelement als Kurzschlusskontakt ausgebildet sein, der zwei elektrische Leitungen kurzschließt, die durch das Blockierteil zur Anzeigeeinrichtung geführt sind. Auf diese Weise sind die elektrischen Leitungen bei eingesetztem Verriegelungsteil kurzgeschlossen und es erfolgt keine elektrische Versorgung der Anzeigeeinrichtung.In a simple exemplary embodiment, the contact element can be designed as a short-circuit contact, which short-circuits two electrical lines which are led through the blocking part to the display device. In this way, the electrical lines are short-circuited when the locking part is inserted and there is no electrical supply to the display device.
Im folgenden wird ein vorteilhaftes Ausführungsbeispiel der Erfindung anhand der in der Zeichnung beigefügten Figuren näher erläutert.An advantageous exemplary embodiment of the invention is explained in more detail below with reference to the figures enclosed in the drawing.
Es zeigen:Show it:
Figur 1 eine Vorderansicht einer erfindungsgemäßen elektrischen Steckdose;Figure 1 is a front view of an electrical outlet according to the invention;
Figur 2 eine vergrößerte Darstellung des Details „X" aus Figur 1 mit eingesetztem Verriegelungsteil;FIG. 2 shows an enlarged illustration of the detail “X” from FIG. 1 with the locking part inserted;
Figur 3 eine Ansicht analog zu Figur 2 mit entferntem Verriegelungsteil, undFigure 3 is a view analogous to Figure 2 with the locking part removed, and
Figur 4 eine perspektivische Draufsicht auf Verriegelungsteil und Blockierteil in vereinfachter Darstellung. In Figur 1 ist eine Vorderansicht einer erfindungsgemäßen elektrischen Steckdose 1 dargestellt. Diese weist ein Steckdosengehäuse 2 mit in etwa rechteckförmigem Querschnitt auf. Im oberen Teil des Steckdosengehäuses ist ein Steckdoseneinsatz 3 verdrehbar zwischen einer Ein- und einer Ausschaltstellung der Steckdose verdrehbar gelagert. Im Steckdoseneinsatz 3 sind bei dem dargestellten Ausführungsbeispiel fünf Kontaktbuchsen 15 sichtbar, in die entsprechende Kontaktstifte eines nicht dargestellten Steckers einsteckbar sind. Mittig zwischen den Kontaktbuchsen 15 ist eine Verriegelungseinrichtung 4 angeordnet. Diese ist im wesentlichen stiftförmig und in einer entsprechenden Bohrung im Steckdoseneinsatz verstellbar zwischen einer Blockier- und einer Freigabestellung gelagert. In der Freigabestellung steht die Verriegelungseinrichtung 4 über den Steckdoseneinsatz 3 vor und ist höchstens teilweise in den Steckdoseneinsatz eingedrückt und in Blockierstellung ist die Verriegelungseinrichtung 4 in den Steckdoseneinsatz 3 soweit eingedrückt, dass ein Verdrehen des Steckdoseneinsatzes nicht möglich ist. Nur in Freigabesteilung der Verriegelungseinrichtung 4 ist der Steckdoseneinsatz 3 durch einen entsprechenden Stecker in seine Einschaltstellung verdrehbar.Figure 4 is a perspective plan view of the locking part and blocking part in a simplified representation. FIG. 1 shows a front view of an electrical socket 1 according to the invention. This has a socket housing 2 with an approximately rectangular cross section. In the upper part of the socket housing, a socket insert 3 is rotatably mounted between an on and an off position of the socket. In the illustrated embodiment, five contact sockets 15 are visible in the socket insert 3, into which corresponding contact pins of a plug, not shown, can be inserted. A locking device 4 is arranged centrally between the contact sockets 15. This is essentially pin-shaped and is adjustable in a corresponding hole in the socket insert between a blocking and a release position. In the release position, the locking device 4 projects beyond the socket insert 3 and is at most partially pressed into the socket insert and in the blocking position, the locking device 4 is pressed into the socket insert 3 to such an extent that the socket insert cannot be rotated. The socket insert 3 can only be rotated into its switched-on position by a corresponding plug in the release division of the locking device 4.
In Figur 2 ist ein Detail „X" aus Figur 1 vergrößert dargestellt.A detail “X” from FIG. 1 is shown enlarged in FIG.
Die Verriegelungseinrichtung 4, siehe auch Figur 4, ist zumindest zweiteilig aus Verriegelungsteil 5 und Blockierteil 6 aufgebaut. Ist die elektrische Steckdose für einen Einsatz in explosionsgefährdeten Bereichen vorgesehen, so ist das Verriegelungsteil 5 eingesetzt und im Steckdoseneinsatz 3 lösbar befestigt. Die lösbare Befestigung erfolgt über einen Eingriff eines Verriegelungsstiftes 8 in einen seitlichen Längsschlitz 7 im Verriegelungsteil 5. Der Verriegelungsstift 8 ist durch einen Schließzylinder 9 im Steckdoseneinsatz 3 verschiebbar. In der in Figur 2 dargestellten Eingriffsstellung ist das Verriegelungsteil 5 im Steckdoseneinsatz 3 befestigt und in diesem verschiebbar gelagert.The locking device 4, see also FIG. 4, is constructed at least in two parts from the locking part 5 and the blocking part 6. If the electrical socket is intended for use in potentially explosive areas, the locking part 5 is inserted and releasably fastened in the socket insert 3. The releasable attachment takes place via an engagement of a locking pin 8 in a lateral longitudinal slot 7 in the locking part 5. The locking pin 8 is displaceable by a locking cylinder 9 in the socket insert 3. In the engagement position shown in Figure 2, the locking member 5 is fixed in the socket insert 3 and slidably mounted therein.
Das Verriegelungsteil 5 weist einen dreiarmigen Querschnitt auf, wobei die drei Arme jeweils unter gleichen Winkeln zueinander angeordnet sind. Andere Querschnitte sind möglich. In Figur 3 ist eine Ansicht analog zu Figur 2 dargestellt. In dieser Figur ist der Schließzylinder 9 über einen in Schlüsselloch 16 eingesetzten Schlüssel (nicht dargestellt) so verdreht, dass der Verriegelungsstift 8 aus dem Längsschlitz J zurückgezogen ist. Dadurch ist das Verriegelungsteil 5 gelöst und kann aus dem Steckdoseneinsatz 3 entnommen werden. Unterhalb des Verriegelungsteils 5 ist ein Blockierteil 6 angeordnet, siehe auch Figur 4. Zur Aufnahme von Verriegelungsteil 5 und Blockierteil 6 ist in dem Steckdoseneinsatz 3 eine entsprechend geformte Bohrung ausgebildet, in der die beiden die Verriegelungseinrichtung 4 bildenden Teile in Längsrichtung geführt sind.The locking part 5 has a three-armed cross section, the three arms being arranged at the same angles to one another. Other cross sections are possible. FIG. 3 shows a view analogous to FIG. 2. In this figure, the lock cylinder 9 is rotated via a key inserted into the keyhole 16 (not shown) in such a way that the locking pin 8 is withdrawn from the longitudinal slot J. As a result, the locking part 5 is released and can be removed from the socket insert 3. A blocking part 6 is arranged below the locking part 5, see also FIG. 4. To accommodate the locking part 5 and the blocking part 6, a correspondingly shaped bore is formed in the socket insert 3, in which the two parts forming the locking device 4 are guided in the longitudinal direction.
In Figur 4 ist eine perspektivische Draufsicht auf Verriegelungsteil 5 und Blockierteil 6 dargestellt. Zur Vereinfachung sind Steckdoseneinsatz 3 und sonstige Teile der elektrischen Steckdose 1 nicht dargestellt.FIG. 4 shows a perspective top view of locking part 5 and blocking part 6. To simplify, socket insert 3 and other parts of the electrical socket 1 are not shown.
Verriegelungsteil 5 und Blockierteil 6 sind zwei Einzelteile der stiftförmigen Verriegelungseinrichtung 4. Beide weisen einen gleichen und im wesentlichen dreiarmigen Querschnitt auf. Die Arme schließen gleiche Winkel miteinander ein.Locking part 5 and blocking part 6 are two individual parts of the pin-shaped locking device 4. Both have the same and essentially three-armed cross section. The arms form equal angles with each other.
An einem dem Blockierteil 6 zuweisenden Ende 12 des Verriegelungsteils 5 ist ein Kontaktelement 13 angeordnet. Dieses kann in Form einer im wesentlichen ebenen Kontaktplatte ausgebildet sein. Bei Anlage von Verriegelungsteil 5 und Blockierteil 6 dient das Kontaktelement 3 als Kurzschlusselement, das freie Enden 18 von elektrischen Leitungen 14 miteinander verbindet. Die freien Enden 18 der elektrischen Leitung 14 sind in einem dem Verriegelungsteil 5 zuweisenden Vorderende 17 des Blockierteils 6 angeordnet. Die elektrischen Leitungen 14 erstrecken sich außer zu den freien Enden 18 zu einer elektrischen Anzeigeeinrichtung 10. Auf dieser ist ein Warnhinweis darstellbar, wie „Nicht in explosionsgefährdeten Bereichen benutzen".A contact element 13 is arranged on an end 12 of the locking part 5 facing the blocking part 6. This can be in the form of an essentially flat contact plate. When the locking part 5 and the blocking part 6 are in contact, the contact element 3 serves as a short-circuit element which connects free ends 18 of electrical lines 14 to one another. The free ends 18 of the electrical line 14 are arranged in a front end 17 of the blocking part 6 facing the locking part 5. In addition to the free ends 18, the electrical lines 14 extend to an electrical display device 10. A warning can be displayed there, such as “do not use in potentially explosive areas”.
Ist das Kontaktelement 13 nicht in Kontakt mit den freien Enden 18 bei entferntem Verriegelungsteil 5, sind die freien Enden 18 entsprechend nicht kurzgeschlossen und es erfolgt eine elektrische Versorgung der Anzeigeeinrichtung 10 zur Darstellung des Warnhinweises. Nur bei kurzgeschlossenen freien Enden 18 der elektrischen Leitungen 14 ist die elektrische Anzeigeeinrichtung 10 unwirksam geschaltet. If the contact element 13 is not in contact with the free ends 18 when the locking part 5 is removed, the free ends 18 are accordingly not short-circuited and there is an electrical supply to the display device 10 to display the warning. The electrical display device 10 is only deactivated when the free ends 18 of the electrical lines 14 are short-circuited.

Claims

Elektrische SteckdoseA N S P R Ü C H E Electrical socket A NSPR Ü CHE
1. Elektrische Steckdose (1 ), insbesondere für explosionsgeschützte Bereiche, mit einem in einem Steckdosengehäuse (2) zwischen Aus- und Einschaltstellung verdrehbar gelagerten Steckdoseneinsatz (3), in dem eine im wesentlichen stiftformige Verriegelungseinrichtung (4) zwischen einer eingedrückten Blockier- und einer vom Steckdoseneinsatz (3) vorstehenden Freigabestellung verstellbar gelagert ist, wobei in Freigabestellung der Verriegelungseinrichtung (4) der Steckdoseneinsatz (3) zwischen Aus- und Einschaltstellung verdrehbar ist, dadurch gekennzeichnet, dass die im wesentlichen stiftformige Verriegelungseinrichtung (4) aus wenigstens einem entfernbaren Verriegelungsteil (5) und einem Blockierteil (6) gebildet ist, welche im Steckdoseneinsatz (3) übereinander angeordnet sind und von welchen das Verriegelungsteil (5) in Freigabestellung vom Steckdoseneinsatz vorsteht.1. Electrical socket (1), in particular for explosion-protected areas, with a socket insert (3) rotatably mounted in a socket housing (2) between the off and on position, in which an essentially pin-shaped locking device (4) between a pressed-in blocking and one The release position protruding from the socket insert (3) is adjustably mounted, the socket insert (3) being rotatable between the off and on positions in the release position of the locking device (4), characterized in that the essentially pin-shaped locking device (4) consists of at least one removable locking part ( 5) and a blocking part (6) is formed, which are arranged one above the other in the socket insert (3) and of which the locking part (5) protrudes from the socket insert in the release position.
2. Elektrische Steckdose nach Anspruch 1 , dadurch gekennzeichnet, dass Verriegelungsteil (5) und Blockierteil (6) gleichen Querschnitt aufweisen.2. Electrical socket according to claim 1, characterized in that the locking part (5) and blocking part (6) have the same cross section.
3. Elektrische Steckdose nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Verriegelungsteil (5) im Steckdoseneinsatz (3) lösbar befestigt ist.3. Electrical socket according to claim 1 or 2, characterized in that the locking part (5) in the socket insert (3) is releasably attached.
4. Elektrische Steckdose nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Verriegelungsteil (5) einen seitlichen Längsschlitz (7) aufweist, mit dem ein verschiebbar im Steckdoseneinsatz (3) gelagerter Verriegelungsstift (8) in Eingriff bringbar ist. 4. Electrical socket according to one of the preceding claims, characterized in that the locking part (5) has a lateral longitudinal slot (7) with which a locking pin (8) mounted displaceably in the socket insert (3) can be brought into engagement.
5. Elektrische Steckdose nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Verriegelungsstift (8) durch einen im Steckdoseneinsatz (3) angeordneten Schließzylinder (9) verschiebbar ist.5. Electrical socket according to one of the preceding claims, characterized in that the locking pin (8) is displaceable by a locking cylinder (9) arranged in the socket insert (3).
6. Elektrische Steckdose nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass bei entferntem Verriegelungsteil (5) ein Warnhinweis sichtbar ist.6. Electrical socket according to one of the preceding claims, characterized in that a warning is visible when the locking part (5) is removed.
7. Elektrische Steckdose nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Warnhinweis auf einer elektrisch betriebenen Anzeigeeinrichtung (10) sichtbar ist.7. Electrical socket according to one of the preceding claims, characterized in that the warning on an electrically operated display device (10) is visible.
8. Elektrische Steckdose nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass bei Anlage von Verriegelungsteil (5) und Blockierteil (6) ein elektrischer Kontakt8. Electrical socket according to one of the preceding claims, characterized in that an electrical contact when the locking part (5) and blocking part (6) are in contact
(11) geschlossen ist und die elektrische Anzeigeeinrichtung unwirksam geschaltet ist.(11) is closed and the electrical display device is deactivated.
9. Elektrische Steckdose nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Verriegelungsteil (5) an seinem dem Blockierteil (6) zuweisenden Ende9. Electrical socket according to one of the preceding claims, characterized in that the locking part (5) on its the blocking part (6) facing end
(12) ein Kontaktelement (13) aufweist, welches in oder am Blockierteil (6) vorgesehene elektrische Leitungen (14) miteinander verbindet. (12) has a contact element (13) which connects electrical lines (14) provided in or on the blocking part (6).
EP01984862A 2000-12-18 2001-12-18 Electrical socket Expired - Lifetime EP1344286B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20021374U DE20021374U1 (en) 2000-12-18 2000-12-18 Electrical outlet
DE20021374U 2000-12-18
PCT/EP2001/014923 WO2002050961A2 (en) 2000-12-18 2001-12-18 Electrical socket

Publications (2)

Publication Number Publication Date
EP1344286A2 true EP1344286A2 (en) 2003-09-17
EP1344286B1 EP1344286B1 (en) 2010-06-09

Family

ID=7950199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01984862A Expired - Lifetime EP1344286B1 (en) 2000-12-18 2001-12-18 Electrical socket

Country Status (6)

Country Link
US (1) US20040102102A1 (en)
EP (1) EP1344286B1 (en)
AT (1) ATE470971T1 (en)
DE (2) DE20021374U1 (en)
NO (1) NO324559B1 (en)
WO (1) WO2002050961A2 (en)

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DE102018105486A1 (en) 2018-03-09 2019-09-12 Eaton Protection Systems Ip Gmbh & Co. Kg ELECTRICAL CONNECTION DEVICE
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WO2019170294A1 (en) 2018-03-09 2019-09-12 Eaton Intelligent Power Limited Electrical connector

Also Published As

Publication number Publication date
NO20032750D0 (en) 2003-06-17
WO2002050961A2 (en) 2002-06-27
EP1344286B1 (en) 2010-06-09
DE50115513D1 (en) 2010-07-22
ATE470971T1 (en) 2010-06-15
WO2002050961A3 (en) 2002-08-29
DE20021374U1 (en) 2002-04-25
NO324559B1 (en) 2007-11-19
NO20032750L (en) 2003-08-15
US20040102102A1 (en) 2004-05-27

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