EP2209164B1 - Electrical device unit - Google Patents
Electrical device unit Download PDFInfo
- Publication number
- EP2209164B1 EP2209164B1 EP09016018.5A EP09016018A EP2209164B1 EP 2209164 B1 EP2209164 B1 EP 2209164B1 EP 09016018 A EP09016018 A EP 09016018A EP 2209164 B1 EP2209164 B1 EP 2209164B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator
- locking
- device unit
- unit according
- electric device
- 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.)
- Not-in-force
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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
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
- H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62933—Comprising exclusively pivoting lever
- H01R13/62938—Pivoting lever comprising own camming means
-
- 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
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
- H01R13/4534—Laterally sliding shutter
-
- 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
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/527—Flameproof cases
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62933—Comprising exclusively pivoting lever
- H01R13/62955—Pivoting lever comprising supplementary/additional locking means
-
- 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
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Definitions
- the invention relates to an electrical appliance unit with a module housing, which includes electrical and / or electronic components and can be inserted into a frame housing.
- Such an electrical appliance unit is off EP 0 674 362 A1 known.
- This unit has a frame housing with electrical connections and a module housing containing electrical and / or electronic components.
- the module housing is inserted into the frame housing with the aid of an actuator.
- the device unit has a plug connection, which has at least one contact socket and at least one contact pin engaging in it.
- the connector is associated with a lock, which is also provided with the pivotable about an axis actuator.
- the bearing part of the actuator has an approximately semicircular guide groove into which a locking pin provided on the module housing engages. In the part-circular guide groove opens from the peripheral edge of the bearing part extending from the insertion opening, which extends approximately radially in the direction of the pivot axis of the actuator.
- the object of the invention is to develop an electrical appliance unit of the type described above to the effect that with simple means a safe and secure replacement of the module housing is possible without the operating device or parts thereof previously disable or disconnect electrical leads.
- the electrical appliance unit 1 is intended for use in endangered, in particular potentially explosive areas and comprises a frame housing 2, a module housing 3 and an actuator 4, which is associated with a detachable locking of the module housing 3 which can be inserted into the frame housing 2.
- the frame housing 2 has a main body 5, which is releasably attachable to a cross-sectionally approximately U-shaped DIN rail 6.
- a locking device 7 is provided on the base body 5, which is mounted on the base body 5 transversely to the longitudinal direction of the DIN rail 6 slidably.
- the main body 5 has a connector receptacle 8, which has a plurality of spaced apart contact sockets 9.
- the contact bushes 9 are surrounded by a boundary wall 10, which is expediently formed by four walls arranged at right angles to each other, so that the plug receptacle 8 is substantially rectangular in cross-section.
- Each individual contact socket 9 is located in an electrically non-conductive insulating body 11, which may be designed as an approximately circular cylinder.
- the insulating body 11 can be significantly longer, preferably about twice as long as the female contact 9, which is expediently arranged in the lower part of the insulating body 11, so that an insertion part 12 of the insulating body 11, the female opening 13 of the female contact 9 significantly surmounted.
- the insertion part 12 of the insulating body 11 has a coaxial with the contact socket 9 arranged insertion hole 14 into which a contact pin 15 is inserted.
- the insulating body 11 may be mounted in a floating manner with the contact sockets 9 in the connector receptacle 8.
- At the female contacts 9 can also be sleeve-shaped connecting parts 16 are formed, which protrude from the connector receptacle 8 and where electrical lines for Example can be contacted by soldering or crimping.
- each of the two support walls 17, 18 is located in each case a circular bearing seat 20, which are opposite to each other.
- the bearing receptacle 20 is an inlet opening 21 associated, which is formed in the support wall 17, 18 as a slot-shaped recess.
- the support walls 17, 18 each have on their inner sides opposite one each in the insertion direction of the module housing 3 extending longitudinal groove 22 and on the outer sides opposite a respective locking cam 23.
- the support walls 17, 18 each have a locking member 51, in addition to the Peripheral region of the bearing seat 20 is arranged.
- the module housing 3 is formed substantially as a rectangular body and has on the frame housing 2 facing the underside of a plug 24 which is bounded by a peripheral wall 25 formed of four mutually perpendicular wall parts.
- the plug 24 with the peripheral wall 25 is thus substantially rectangular in cross-section.
- the peripheral wall 25 surrounds the mutually spaced contact pins 15, which are electrically connected to the located within the module housing 3 electrical or electronic components.
- the diameter of the contact pins 15 is selected so that it is slightly smaller than the diameter of the insertion hole 14 of the insulating body 11 in the frame housing 2.
- a respective locking pin 28 is arranged, which project opposite each other in opposite directions and outwardly.
- a wall portion 30 of the side walls 26, 27 is slightly set back inwards and bounded by an approximately wavy edge contour 31.
- the outer edges of the support walls 17, 18 have a likewise approximately wavy front side contour 32, which in the in FIG. 8th shown final assembly position corresponds to the edge contour 31.
- the depth of the recessed wall portions 30 corresponds approximately to the thickness of the support walls 17, 18 which bear against the wall portions 30.
- the actuator 4 has two spaced apart parallel legs 34, 35 and a handle portion 36, which may be slightly bent and the legs 34, 35 connects, so that the actuator 4 is substantially formed as a U-shaped bracket.
- the actuator 4 is arranged on the support walls 17, 18 of the frame housing 2 and pivotally mounted.
- a bearing part 37 is disposed on each of the inner sides of the legs 34, 35 at their free ends, which lie opposite each other in mirror symmetry and each have a guide groove 38.
- the bearing parts 37 are formed as annular discs and are positively mounted in the bearing receivers 20 of the support walls 17, 18, wherein the center axes of the annular bearing parts 37 form the pivot axis of the actuator 4.
- a respective locking part receptacle 52 is formed on the legs 34, 35 of the actuator 4, in which the locking parts 51 of the support walls 17, 18 positively engage, in such a way that the actuator 4 both in its end positions and during the pivoting is held insoluble and can not be removed.
- the guide grooves 38 are formed approximately radially in the bearing part 37 and extend from a formed at the peripheral edge of the bearing members 37 insertion opening 39 is approximately semicircular in the direction of the center axis of the bearing part 37.
- the width of the guide grooves 38 is dimensioned so that they are about the same or only slightly larger is as the diameter of the locking pin 28, so that the latter are guided largely free of play in the guide grooves 38.
- two mutually mirror-image opposing abutment 40 located on the inner sides of the two legs 34, 35 of the actuator 4, two mutually mirror-image opposing abutment 40, which bear against a stop 41 of the locking cam 23.
- the abutments 40 is arranged upstream of the locking cam 23 a ramp 52 and a recess 43 downstream.
- the actuator 4 on its legs 34, 35 nose-shaped projections 44 which have on their inner sides mutually mirror-inverted locking edges 45.
- the projections 44 In the closed position of the actuator 4, the projections 44 each overlap a wall portion 46, which are formed on opposite sides of the latching device 7.
- the wall parts 46 have a locking edge 47, which bears against the locking edge 45, whereby unintentional displacement of the locking device 23 is prevented in an open position.
- FIGS. 2 and 3 is the module housing 3 of the device unit 1, the frame housing 2 by means of the locking device. 7 is attached to the DIN rail 6, in a first mounting position.
- the actuator 4 is pivoted clockwise all the way back to a limited opening position, wherein the inlet openings 21 of the support walls 17, 18 and the insertion openings 39 of the bearing parts 37 are congruent.
- the module housing 3 is in the three sides of the support walls 17, 18 and the end wall 19 limited receiving space of the frame housing 2 inserted so that the webs 29 tight over the longitudinal grooves 22 and the locking pin 28 at a slightly greater distance above the inlet and insertion 21, 39 are located.
- the FIG. 3 shows that in this first mounting position, the distance of the module housing 3 on the frame housing 2 is so large that the plug 24 also still has a significant distance from the connector receptacle 8 of the frame housing 2.
- FIG. 4 can be seen that the module housing 3 with respect to the representations of FIGS. 2 and 3 further in the direction of down into the receiving space of the frame housing 2 has been pushed or pushed in, wherein the webs 29 are guided in the longitudinal grooves 22 largely free of play and thus ensure a proper shift in the illustrated second mounting position.
- the actuator 4 is still in its fully rearwardly pivoted opening position and the locking pins 28 have been passed through the inlet openings 21 and 39 insertion. You are now at the beginning of the part-circular guide grooves 38 of the bearing parts 37. Another pushing in or pushing down the module housing 3 in the direction against the frame housing 2 is now no longer possible.
- the module housing 3 can now be moved only in the direction of the frame housing 2 by pivoting the actuator 4.
- FIG. 6 the plug 24 of the module housing 3 is already partially inserted into the connector receptacle 8 of the frame housing 2 in this mounting position.
- the peripheral wall 25 of the plug 24 is inserted approximately halfway into a slot-shaped recess 48, which is preferably formed in the boundary wall 10 of the connector receptacle 8.
- the enlarged view in FIG. 7 makes it clear that the contact pins 15 are initially only in the insertion holes 14 of the insulating body 11 and not yet correspond with the contact sockets 9. Between the free ends of the contact pins 15 and the socket openings 13 of the contact sockets 9 there is an axial minimum contact distance 49, which corresponds to the requirements of DIN EN 50018 and DIN EN 60079.
- FIG. 8 and 9 the final assembly position of the unit 1 is shown.
- the actuator 4 has been pivoted in the counterclockwise direction and is in its horizontal closed position.
- the run-on slopes 42 of the actuator 4 slid over shortly before reaching the closure position the locking cams 23 of the support walls 17, 18, until then snapped the locking cam 23 into the recesses 43 of the actuator 4 at the end of the pivoting movement, so that the abutment 40 abut the stops 41 of the locking cam 23.
- an unintentional pivoting up of the actuator 4 in the clockwise direction is prevented with certainty and ensures a stable fixation of the closure position.
- the locking pins 38 are preferably coaxial with the pivot axis of the actuator 4. Since the locking pins 38 are fixedly mounted on the module housing 3, the latter has of course been moved in the downward direction against the frame housing 2 in its final position.
- the illustrated locking position of the actuator 4 whose projections 44 engage over the wall parts 46 of the locking device 7.
- the locking edges 47 of the wall parts 46 abut against the locking edges 45 of the projections 44 and thus prevent the horizontal displacement of the locking device 7 in the plane of the base body fifth
- FIG. 9 It can be seen that the peripheral wall 25 of the plug 24 is now fully inserted to the bottom of the slot-shaped recess 48 of the connector receptacle 8. And continues to show FIG. 9 and in particular the enlarged view in FIG FIG. 10 in that the contact pins 15 of the plug 24 are plugged into the contact sockets 9 of the plug receptacle 8 via an axial minimum contact path 50, so that a permanently reliable contacting is provided.
- the module housing 3 If the module housing 3 is to be replaced, for example, in the event of a defect during operation, proceed in the reverse manner as in the assembly operation described above. This means that first the securing of the closure position of the actuator 4 must be canceled. Then the actuator 4 is clockwise in the in FIG. 2 to pivot shown opening position, wherein the module housing 3 displaced by the eccentric locking pin guide away from the frame housing 2 in the upward direction and the connector is disengaged. After reaching the opening position of the actuator 4, the module housing 3 can be pulled out by hand in the upward direction from the receiving space of the frame housing 2 and a new inserted.
- An advantage of the device unit 1 according to the invention is that in critical explosive environment, the active module, so the module housing 3 with the electrical and / or electronic components, can be changed safely in the operating state without shutting down the system. It need to be solved by connecting lines fixed contacts, but all connections remain connected to the base housing, the frame housing 2. Neither when plugging in nor when removing the module housing 3 can sparks arising in the interior of the connector sparks due to the above measures to the outside and bring an explosive ambient atmosphere to ignite, so that overall high security is given.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
Die Erfindung betrifft eine elektrische Geräteeinheit mit einem Modulgehäuse, das elektrische und/oder elektronische Einbauteile beinhaltet und in ein Rahmengehäuse einsteckbar ist.The invention relates to an electrical appliance unit with a module housing, which includes electrical and / or electronic components and can be inserted into a frame housing.
Eine solche elektrische Geräteeinheit ist aus
Die Aufgabe der Erfindung besteht darin, eine elektrische Geräteeinheit der eingangs beschriebenen Art dahingehend weiterzubilden, dass mit einfachen Mitteln ein gefahrloser und sicherer Austausch des Modulgehäuses möglich ist, ohne die Betriebseinrichtung oder Teile davon zuvor abzuschalten oder elektrische Anschlussleitungen zu trennen.The object of the invention is to develop an electrical appliance unit of the type described above to the effect that with simple means a safe and secure replacement of the module housing is possible without the operating device or parts thereof previously disable or disconnect electrical leads.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.This object is achieved by the features of
Bevorzugte Ausgestaltungen und Weiterbildungen der Erfindung sind durch die Merkmale der Unteransprüche gekennzeichnet.Preferred embodiments and further developments of the invention are characterized by the features of the subclaims.
Weitere Vorteile und wesentliche Einzelheiten der Erfindung sind der nachfolgenden Beschreibung und der Zeichnung zu entnehmen, die in schematischer Darstellung bevorzugte Ausführungsformen als Beispiel zeigt. Es stellen dar:
- FIG. 1
- eine erfindungsgemäße elektrische Geräteeinheit in einer Sprengdarstellung,
- FIG. 2
- die Geräteeinheit der
FIG. 1 in einer ersten Montageposition, teilweise geschnitten, - FIG. 3
- die Geräteeinheit der
FIG. 2 in einer geschnittenen Ansicht, - FIG. 4
- die Geräteeinheit ähnlich der
FIG. 2 in einer zweiten Montage-position, teilweise geschnitten, - FIG. 5
- die Geräteeinheit der
FIG. 4 in einer weiteren Montageposition, teilweise geschnitten, - FIG. 6
- die Geräteeinheit der
FIG. 5 in einer geschnittenen Ansicht, - FIG. 7
- einen Teil der Steckverbindung gemäß dem Ausschnitt A der
FIG. 6 in einer vergrößerten Schnittansicht, - FIG. 8
- die Geräteeinheit der
FIG. 5 in einer fertig montierten Endposition, teilweise geschnitten, - FIG. 9
- die Geräteeinheit der
FIG. 8 in einer geschnittenen Ansicht, - FIG. 10
- einen Teil der Steckverbindung gemäß dem Ausschnitt B der
FIG. 9 in einer vergrößerten Schnittansicht.
- FIG. 1
- an electrical device unit according to the invention in an exploded view,
- FIG. 2
- the device unit of
FIG. 1 in a first assembly position, partially cut, - FIG. 3
- the device unit of
FIG. 2 in a cutaway view, - FIG. 4
- the device unit similar to the
FIG. 2 in a second assembly position, partially cut, - FIG. 5
- the device unit of
FIG. 4 in another mounting position, partially cut, - FIG. 6
- the device unit of
FIG. 5 in a cutaway view, - FIG. 7
- a part of the connector according to the section A of
FIG. 6 in an enlarged sectional view, - FIG. 8th
- the device unit of
FIG. 5 in a fully assembled final position, partially cut, - FIG. 9
- the device unit of
FIG. 8th in a cutaway view, - FIG. 10
- a part of the connector according to the section B of
FIG. 9 in an enlarged sectional view.
Die erfindungsgemäße elektrische Geräteeinheit 1 ist für den Einsatz in gefährdeten, insbesondere explosionsgefährdeten Bereichen vorgesehen und umfasst ein Rahmengehäuse 2, ein Modulgehäuse 3 und einen Betätiger 4, der einer lösbaren Verriegelung des in das Rahmengehäuse 2 einsteckbaren Modulgehäuses 3 zugehörig ist.The
Das Rahmengehäuse 2 besitzt einen Grundkörper 5, der an einer im Querschnitt ungefähr U-förmigen Hutschiene 6 lösbar befestigbar ist. Für die lösbare Befestigung des Rahmengehäuses 2 ist am Grundkörper 5 eine Rastvorrichtung 7 vorgesehen, die an dem Grundkörper 5 quer zur Längsrichtung der Hutschiene 6 verschiebbar gelagert ist. An der der Rastvorrichtung 7 gegenüberliegenden Seite der Hutschiene 6 weist der Grundkörper 5 eine Steckeraufnahme 8 auf, die mehrere auf Abstand zueinander angeordnete Kontaktbuchsen 9 besitzt. Die Kontaktbuchsen 9 sind von einer Begrenzungswand 10 umfasst, die zweckmäßig von vier rechtwinklig zueinander angeordneten Wänden gebildet ist, so dass die Steckeraufnahme 8 im Querschnitt im Wesentlichen rechteckförmig ist.The
Jede einzelne Kontaktbuchse 9 befindet sich in einem elektrisch nicht leitenden Isolierkörper 11, der als etwa kreisförmiger Zylinder ausgeführt sein kann. Der Isolierkörper 11 kann deutlich länger, vorzugsweise ungefähr doppelt so lang sein wie die Kontaktbuchse 9, die zweckmäßig im unteren Teil des Isolierkörpers 11 angeordnet ist, so dass ein Einführteil 12 des Isolierkörpers 11 die Buchsenöffnung 13 der Kontaktbuchse 9 erheblich überragt. Der Einführteil 12 des Isolierkörpers 11 besitzt eine koaxial zur Kontaktbuchse 9 angeordnete Einführbohrung 14, in die ein Kontaktstift 15 einführbar ist. Um das Einbringen der Kontaktstifte 15 in die Einführbohrungen 14 zu erleichtern, können die Isolierkörper 11 mit den Kontaktbuchsen 9 in der Steckeraufnahme 8 schwimmend gelagert sein. An den Kontaktbuchsen 9 können zudem hülsenförmige Anschlussteile 16 ausgebildet sein, die aus der Steckeraufnahme 8 herausragen und an denen elektrische Leitungen zum Beispiel durch Löt- oder Quetschverbindungen kontaktiert werden können.Each
Auf der Oberseite des Grundkörpers 5 sind zwei in einem Abstand zueinander parallele Stützwände 17, 18 angeordnet, die mittels einer quer dazu angeordneten Stirnwand 19 verbunden sind, so dass ein dreiseitig begrenzter Aufnahmeraum gebildet ist. In jeder der beiden Stützwände 17, 18 befindet sich je eine kreisförmige Lageraufnahme 20, die einander gegenüberliegen. Der Lageraufnahme 20 ist eine Eintrittsöffnung 21 zugehörig, die in der Stützwand 17, 18 als schlitzförmige Ausnehmung ausgebildet ist. Außerdem besitzen die Stützwände 17, 18 an ihren Innenseiten einander gegenüberliegend je eine sich in Einsteckrichtung des Modulgehäuses 3 erstreckende Längsnut 22 und an den Außenseiten gegenüberliegend je einen Rastnocken 23. Und schließlich weisen die Stützwände 17, 18 je einen Sperrteil 51 auf, der neben dem Umfangsbereich der Lageraufnahme 20 angeordnet ist.On the upper side of the
Das Modulgehäuse 3 ist im Wesentlichen als Rechteckkörper ausgebildet und weist an der dem Rahmengehäuse 2 zugewandten Unterseite einen Stecker 24 auf, der von einer aus vier rechtwinklig zueinander angeordneten Wandteilen gebildeten Umfangswand 25 begrenzt ist. Der Stecker 24 mit der Umfangswand 25 ist somit im Querschnitt im Wesentlichen rechteckförmig. Die Umfangswand 25 umgibt die auf Abstand zueinander angeordneten Kontaktstifte 15, die mit den innerhalb des Modulgehäuses 3 befindlichen elektrischen oder elektronischen Einbauteilen elektrisch leitend verbunden sind. Der Durchmesser der Kontaktstifte 15 ist so gewählt, dass er geringfügig kleiner ist als der Durchmesser der Einführbohrung 14 des Isolierkörpers 11 im Rahmengehäuse 2. Wenn der Stecker 24 in die Steckeraufnahme 8 eingeführt ist, besteht zwischen der Umfangsfläche der Kontaktstifte 15 und der Innenfläche der Einführbohrungen 14 jeweils ein durch die DIN EN 50018 und DIN EN 60079 definierter zünddurchschlagsicherer Spalt 33.The
An beabstandeten parallelen Seitenwänden 26, 27 des Modulgehäuses 3 ist je ein Verriegelungszapfen 28 angeordnet, die einander gegenüberliegend in entgegengesetzten Richtungen und nach außen hin vorstehen. Außerdem befindet sich an den Außenseiten der Seitenwände 26, 27 gegenüberliegend je ein Steg 29. Ein Wandteil 30 der Seitenwände 26, 27 ist etwas nach innen zurückgesetzt und durch eine etwa wellenförmige Randkontur 31 begrenzt. Entsprechend dieser Randkontur 31 weisen die Außenränder der Stützwände 17, 18 eine ebenfalls etwa wellenförmige Stirnseitenkontur 32 auf, die in der in
Der Betätiger 4 weist zwei einander beabstandete parallele Schenkel 34, 35 und einen Griffteil 36 auf, der etwas gebogen sein kann und die Schenkel 34, 35 verbindet, so dass der Betätiger 4 im Wesentlichen als U-förmiger Bügel ausgebildet ist. Der Betätiger 4 ist an den Stützwänden 17, 18 des Rahmengehäuses 2 angeordnet und schwenkbar gelagert. Dazu ist an den Innenseiten der Schenkel 34, 35 an deren freien Enden je ein Lagerteil 37 angeordnet, die einander spiegelsymmetrisch gegenüberliegen und je eine Führungsnut 38 aufweisen. Die Lagerteile 37 sind als kreisringförmige Scheiben ausgebildet und sind formschlüssig in den Lageraufnahmen 20 der Stützwände 17, 18 gelagert, wobei die Mittenachsen der kreisringförmigen Lagerteile 37 die Schwenkachse des Betätigers 4 bilden.The
Neben dem Umfangsbereich der Lagerteile 37 ist an den Schenkeln 34, 35 des Betätigers 4 je eine Sperrteilaufnahme 52 ausgebildet, in welche die Sperrteile 51 der Stützwände 17, 18 formschlüssig eingreifen, und zwar so, dass der Betätiger 4 sowohl in seinen Endstellungen als auch während des Verschwenkens unlösbar gehalten ist und nicht entfernt werden kann.In addition to the peripheral region of the bearing
Die Führungsnuten 38 sind ungefähr radial in dem Lagerteil 37 ausgebildet und verlaufen von einer am Umfangsrand der Lagerteile 37 ausgebildeten Einführöffnung 39 ungefähr halbkreisförmig in Richtung zur Mittenachse des Lagerteils 37. Die Breite der Führungsnuten 38 ist so bemessen, dass sie etwa gleich oder nur geringfügig größer ist als der Durchmesser der Verriegelungszapfen 28, so dass letztere in den Führungsnuten 38 weitgehend spielfrei geführt sind. Außerdem befinden sich an den Innenseiten der beiden Schenkel 34, 35 des Betätigers 4 zwei einander spiegelbildlich gegenüberliegende Widerlager 40, die an einem Anschlag 41 der Rastnocken 23 anliegen. Den Widerlagern 40 ist für den Rastnocken 23 eine Auflaufschräge 42 vorgeordnet und eine Ausnehmung 43 nachgeordnet. Weiterhin weist der Betätiger 4 an seinen Schenkeln 34, 35 nasenförmige Vorsprünge 44 auf, die an ihren Innenseiten einander spiegelbildlich gegenüberliegende Verriegelungskanten 45 besitzen. In der Verschlussposition des Betätigers 4 übergreifen die Vorsprünge 44 jeweils einen Wandungsteil 46, die an gegenüberliegenden Seiten der Rastvorrichtung 7 ausgebildet sind. Die Wandungsteile 46 besitzen eine Sperrkante 47, die an der Verriegelungskante 45 anliegt, wodurch ein unbeabsichtigtes Verschieben der Rastvorrichtung 23 in eine Öffnungsstellung verhindert ist.The
In den
Der
Die
Wie der
In den
Der
Wenn das Modulgehäuse 3 zum Beispiel im Falle eines Defekts bei laufendem Betrieb ausgetauscht werden soll, ist in umgekehrter Weise als beim zuvor beschriebenen Montagevorgang vorzugehen. Das heißt, dass zunächst die Sicherung der Verschlussposition des Betätigers 4 aufgehoben werden muss. Dann ist der Betätiger 4 im Uhrzeigersinn in die in
Ein Vorteil der erfindungsgemäßen Geräteeinheit 1 besteht darin, dass in kritischer explosionsgefährdeter Umgebung das aktive Modul, also das Modulgehäuse 3 mit den elektrischen und/oder elektronischen Bauteilen, im Betriebszustand gefahrlos gewechselt werden kann, ohne die Anlage abzuschalten. Es müssen dazu keine durch Anschlussleitungen fest verbundene Kontaktierungen gelöst werden, sondern alle Anschlüsse bleiben mit dem Grundgehäuse, dem Rahmengehäuse 2, verbunden. Weder beim Einstecken noch beim Entfernen des Modulgehäuses 3 können im Innenbereich der Steckverbindung entstehende Funken auf Grund der vorbeschriebenen Maßnahmen nach außen durchschlagen und eine explosive Umgebungsatmosphäre zur Entzündung bringen, so dass insgesamt eine hohe Sicherheit gegeben ist.An advantage of the
Claims (13)
- An electric device unit (1) comprising a frame housing (2), that has electric connectors, a module housing (3), that contains electric and/or electronic built-in parts and that can be inserted into the frame housing (2), a plug connector that has at least one contact bushing (9) and at least one contact pin (15) engaging in the latter, and a locking system that is assigned to the plug connector and that has an actuator (4) that can pivot about an axis, the locking system of the plug connector having at least one locking pin (28) engaging in an approximately semicircular guide groove (38) on a bearing part (37) of the actuator (4) and which is formed on the side wall (26, 27) of the module housing (3), the part-circle-shaped guide groove (38) extending from an insertion opening (39) provided on the circumferential edge of the bearing part (37) approximately radially towards the pivot axis of the actuator (4), characterised in that a bearing receptacle (20) provided for the bearing part (37) of the actuator (4) in a supporting wall (17, 18) of the frame housing (2) has an inlet opening (21) for the locking pin (28), which inlet opening (21) is congruent with the insertion opening (39) of the guide groove (38) when the actuator (4) is pivoted back into an opening position, and that when the locking pin (28) is inserted into the inlet opening (21) and the insertion opening (39) of the guide groove (38) the module housing (3) can be shifted purely by pivoting the actuator (4) towards the frame housing (2).
- The electric device unit according to the preceding claim, characterised in that the contact pin (15) is assigned to a plug (24) which is disposed on the bottom side of the module housing (3) facing the frame housing (2) and has a circumferential wall (25) surrounding the contact pin (15) a distance away, the plug (24) with the circumferential wall (25) preferably having an approximately rectangular cross-section.
- The electric device unit according to any of the preceding claims, characterised in that the contact pin (15) of the plug (24) is assigned to the electric or electronic built-in parts of the module housing (3) and the contact bushing (9) of the plug receptacle (8) is assigned to electric supply lines and discharge lines.
- The electric device unit according to any of the preceding claims, characterised in that the contact bushing (9) is assigned to a plug receptacle (8) which is disposed on the upper side of the frame housing (2) facing the module housing (3) and has a boundary wall (10) surrounding the contact bushing (9), the plug receptacle (8) with the boundary wall (10) preferably having an approximately rectangular cross-section.
- The electric device unit according to any of the preceding claims, characterised in that the contact bushing (9) is disposed within an electrically non-conductive insulating body (11) which is mounted, floating, with the contact bushing (9) in the plug receptacle (8).
- The electric device unit according to any of the preceding claims, characterised in that the insulating body (11) has an insertion part (12) projecting over the bushing opening (13) of the contact bushing (9) with an insertion borehole (14) for the contact pin (15), a sufficient spark ignition-proof explosion protection gap (33) being formed between the circumferential surface of the contact pin (15) and the inner surface of the insertion borehole (14).
- The electric device unit according to any of the preceding claims, characterised in that the circumferential wall (25) of the plug (24) engages in a slot-shaped cut-out (48) of the plug receptacle (8).
- The electric device unit according to any of the preceding claims, characterised in that the supporting wall (17, 18) of the frame housing (2) rests against a side wall (26, 27) of the module housing (3) and that there is disposed on the side wall (26, 27) of the module housing (3) at least one stay (29) that is guided in a longitudinal groove (22) extending in the direction of insertion of the module housing (3) and that is formed on the supporting wall (17, 18) of the frame housing (2).
- The electric device unit according to any of the preceding claims, characterised in that the actuator (4) of the locking system is non-detachably fastened to the frame housing (2) by a blocking device which has a blocking part (51) preferably formed on the supporting wall (17, 18) and which engages in a blocking part receptacle (52) formed on the actuator (4), the actuator (4) of the locking system being pivotably connected to the supporting wall (17, 18) of the frame housing (23) by at least one bearing part (37) and a bearing receptacle (20).
- The electric device unit according to any of the preceding claims, characterised in that after inserting the locking pin (28) into the insertion opening (39) and after pivoting the actuator (4) slightly towards a closure position, the locking pin (28) is secured, with form locking, against sliding out through the insertion opening (39) in the guide groove (38), and there is a minimum contact distance (49) between the contact pin (15) and the contact bushing (9) in the insulating body (11).
- The electric device unit according to any of the preceding claims, characterised in that after inserting the locking pin (28) into the insertion opening (39) and after pivoting the actuator (4) into the closure position, the contact pin (15) engages in the contact bushing (9) and the actuator (4), in the closure position, is secured against being accidentally pivoted back into the opening position by a counter bearing (40) striking against a locking cam (23).
- The electric device unit according to any of the preceding claims, characterised in that the frame housing (2) can be fastened detachably to a top-hat rail (6) with an approximately U-shaped cross-section by means of a displaceably mounted locking device (7), the locking device (7), in the closure position of the actuator (4), being secured against accidental displacement by a blocking edge (47) resting against a locking edge (45).
- The electric device unit according to any of the preceding claims, characterised in that the module housing (3) has a locking pin (28) and a stay (29) on each of the opposing side walls (26, 27), that the frame housing (2) has two parallel supporting walls (17, 18), spaced apart from one another, and which each have a bearing receptacle (20) with an inlet opening (21) and a locking cam (23), a longitudinal groove (22) and a blocking part (51) and are connected by means of a front wall (19), and that the actuator (4) comprising two legs (34, 35) and a gripping part (36) connecting the latter is in the form of an approximately U-shaped bracket and has on each of the two legs (34, 35) a bearing part (37) with the guide groove (38) and the insertion opening (39), a counter bearing (40), a locking edge (45) and a blocking part receptacle (52).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009005051 | 2009-01-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2209164A2 EP2209164A2 (en) | 2010-07-21 |
EP2209164A3 EP2209164A3 (en) | 2012-02-01 |
EP2209164B1 true EP2209164B1 (en) | 2015-03-11 |
Family
ID=42154325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09016018.5A Not-in-force EP2209164B1 (en) | 2009-01-15 | 2009-12-24 | Electrical device unit |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100178786A1 (en) |
EP (1) | EP2209164B1 (en) |
DE (1) | DE102009037201A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104577552B (en) * | 2014-12-11 | 2017-01-25 | 华晨汽车集团控股有限公司 | Automobile high-voltage connector interlocking mechanism |
US9263816B1 (en) * | 2015-03-20 | 2016-02-16 | Tyco Electronics Brasil Ltda | Retention member for use with an electrical junction box |
DE102018109861A1 (en) * | 2018-04-24 | 2019-10-24 | Phoenix Contact Gmbh & Co. Kg | Connector assembly for a terminal block |
DE102018130509A1 (en) * | 2018-11-30 | 2020-06-04 | Harting Electric Gmbh & Co. Kg | Measuring device for operating status |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125394A (en) * | 1964-03-17 | Explosion proof plug and receptacle | ||
US5213517A (en) * | 1992-02-10 | 1993-05-25 | G & H Technology, Inc. | Separable electrodes with electric arc quenching means |
FR2717627B1 (en) * | 1994-03-21 | 1996-04-26 | Cinch Connecteurs Sa | Device for coupling two housing elements of an electrical connector. |
GB9902467D0 (en) * | 1999-02-05 | 1999-03-24 | Rota Eng Ltd | Isolating connector |
FR2803111B1 (en) * | 1999-12-23 | 2003-04-04 | Cinch Connecteurs Sa | ELECTRICAL CONNECTOR |
JP4156774B2 (en) * | 2000-05-01 | 2008-09-24 | 住友電装株式会社 | Lever type connector |
US6558176B1 (en) * | 2002-03-07 | 2003-05-06 | Tyco Electronics Corp. | Mate assist assembly for connecting electrical contacts |
JP4272037B2 (en) * | 2003-11-10 | 2009-06-03 | 矢崎総業株式会社 | Lever fitting type power circuit breaker |
US7179132B2 (en) * | 2004-08-20 | 2007-02-20 | Molex Incorporated | Electrical connector with improved terminal mounting housing means |
JP2009009844A (en) * | 2007-06-28 | 2009-01-15 | Tyco Electronics Amp Kk | Mounting method of lever-type connector, and lever-type connector |
-
2009
- 2009-08-12 DE DE102009037201A patent/DE102009037201A1/en not_active Ceased
- 2009-12-24 EP EP09016018.5A patent/EP2209164B1/en not_active Not-in-force
-
2010
- 2010-01-15 US US12/687,928 patent/US20100178786A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2209164A2 (en) | 2010-07-21 |
EP2209164A3 (en) | 2012-02-01 |
DE102009037201A1 (en) | 2010-07-22 |
US20100178786A1 (en) | 2010-07-15 |
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