EP1513180B1 - Electric fuse link - Google Patents

Electric fuse link Download PDF

Info

Publication number
EP1513180B1
EP1513180B1 EP03020054A EP03020054A EP1513180B1 EP 1513180 B1 EP1513180 B1 EP 1513180B1 EP 03020054 A EP03020054 A EP 03020054A EP 03020054 A EP03020054 A EP 03020054A EP 1513180 B1 EP1513180 B1 EP 1513180B1
Authority
EP
European Patent Office
Prior art keywords
holding plate
blade
indicator
fuse
plate
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.)
Expired - Lifetime
Application number
EP03020054A
Other languages
German (de)
French (fr)
Other versions
EP1513180A1 (en
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.)
Jean Mueller Elektrotechnische Fabrik GmbH
ETI Elektroelement dd
Original Assignee
Jean Mueller Elektrotechnische Fabrik GmbH
ETI Elektroelement dd
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
Priority to ES05019741T priority Critical patent/ES2328827T3/en
Priority to EP05019741A priority patent/EP1612826B1/en
Priority to DE50311621T priority patent/DE50311621D1/en
Priority to EP03020054A priority patent/EP1513180B1/en
Priority to SI200330908T priority patent/SI1513180T1/en
Priority to DE50307176T priority patent/DE50307176D1/en
Priority to AT03020054T priority patent/ATE361546T1/en
Priority to ES03020054T priority patent/ES2287394T3/en
Application filed by Jean Mueller Elektrotechnische Fabrik GmbH, ETI Elektroelement dd filed Critical Jean Mueller Elektrotechnische Fabrik GmbH
Priority to AT05019741T priority patent/ATE434261T1/en
Publication of EP1513180A1 publication Critical patent/EP1513180A1/en
Application granted granted Critical
Publication of EP1513180B1 publication Critical patent/EP1513180B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
    • H01H85/303—Movable indicating elements

Definitions

  • the invention relates to a fuse link, in particular for low-voltage high-performance fuses (NH fuses), with an open on opposite sides housing, connected to the housing cover plates for closing the openings of the housing, arranged in the region of the inside of the respective cover plate knife plate for Bearing a contact blade, which passes through an opening in the cover plate to the outside, wherein in the housing a working fusible conductor is arranged, which is conductively connected to the contact blades, and with a display device which has a display element in the region of the outer surface of a cover plate, wherein the display element is arranged by a arranged in the housing, arranged electrically parallel to the working fusible conductor, wire-shaped display fusible link is fixed in a prestressed position, the display fusible link engages one end on the display element and the other end is fixed by means of a clamping connection in the region of a knife-holding plate.
  • NH fuses low-voltage high-performance fuses
  • Fuse-links for NH fuses are widely known from the prior art.
  • a fuse link of the type mentioned is known from DE-A-100 05 145. He has from electrically insulating material existing cover plates. The respective contact blade is provided with lugs, pass through the openings in the associated cover plate and connected to the cover plate facing the knife plate. Each knife holder plate is provided with a through hole into which a sealing plug is inserted. The one sealing plug, in the region of a knife-holding plate which is assigned to the display element, is provided with a central hole through which the indicator melting conductor is inserted. The outwardly projecting end of the display melt conductor is inserted into a slot of the display element and thus clamped to this.
  • the other end of the display melting conductor is pulled through before the pressing of the sealing plug into the hole of the knife holder plate, through this, the filling opening for the erosion representing opening and fixed by means of a fastening element. Subsequently, the receiving space of the housing is filled with extinguishing sand. Then the filling opening is closed by means of the sealing plug. The indicator fusible conductor is thus clamped between the sealing plug and the blade holding plate.
  • the respective blade holding plate in the region of the opening, which serves to receive the sealing plug provided with an outwardly directed, thus away from the housing annular flange.
  • This extends from the main surface of the respective blade holder plate.
  • the outwardly directed flange ensures a conductive connection of the respective blade-holding plate to the display fusible conductor or the display element. This is important in terms of non-conductive cover plates.
  • a disadvantage of this fuse link that its design in the field of both knife holding plates and the local contact areas of the display is structurally quite complex and also requires a large installation effort.
  • the sealing plug in the region of the display element not only serves to fasten the display element, but also to make contact with the associated knife holding plate.
  • the indicator fusion conductor is to be guided by the blade holding plate, concretely to thread through the hole in the sealing plug, which is inserted into the opening of the blade holding plate. This procedure is extremely expensive.
  • the other end of the display melting conductor is first to fix before pressing the sealing plug, by means of a fastener.
  • the sealing plug can be inserted into the opening of the associated knife-holding plate and the cover plate associated therewith; only when the plug is plugged in, the indicator fusion conductor is fixed there. For fixing thus at least the sealing plug is required, also for pre-fixing the fastener. This procedure is very complicated, so the structural complexity for the automated production of such fuse inserts is considerable.
  • a fuse link for NH fuses in which the display fusion conductor in the region of a cover plate to an intermediate plate, for example by a spot weld, fixed and to which, arranged on this base plate contact blade is connected.
  • an insulating bush is inserted, through which the display melting conductor is passed.
  • the opening opens into a recess of this cover plate.
  • a display element of a display device is inserted with a base leg in this recess and fixed there by squeezing the lateral edge of the recess.
  • One leg of the display element is provided with a breakthrough or slot through which the display fusion conductor, which is formed as a thin wire, is passed.
  • the indicator fusible conductor is spot-welded to the top of this leg.
  • the cover plate can also be non-conductive in this fuse. In this case, it is proposed to provide the display element with a shaped nose or fillet which directly contacts the contact plate associated with the display element when the display fuse is stretched.
  • Electrical fuse links for NH fuses are also known from DE-C-42 36 212 and DE-A-32 03 211.
  • the object of the invention is to develop a fuse link of the type mentioned so that with minimal manufacturing and assembly costs, a secure and permanent electrical contacting of the display device is ensured.
  • the object is achieved in a fuse link of the type mentioned above in that the display fusion conductor is fixed by means of the clamping connection directly in the one blade holder plate.
  • the invention proceeds in a very simple way, in which the determination of the display melting conductor takes place directly in the knife holder plate.
  • This type of connection of the knife-holding plate and the indicator-melting conductor can be accomplished particularly easily if the knife-holding plate has a projection, wherein the indicator-melting conductor is clamped between the projection and the remaining portion of the knife-holding plate.
  • a clamping connection is sufficient, as can be achieved by a tapering gap between the knife-holding plate and the projection.
  • the tightened indicator fusion is moved into this gap and is permanently held in this position.
  • connection of the indicator melting conductor and the knife holding plate is insoluble. This is preferably done in that the clamping connection is formed by deforming the projection in the direction of the remaining portion of the knife-holding plate. A deformation process of the knife holder plate thus leads to the permanent connection of the display fusion conductor and the knife holder plate.
  • the knife holder plate can be designed as a very simple component.
  • the projection sticks out in this case slightly away from the remaining portion of the knife holder plate.
  • the display fusible conductor is held in the region of the front edge of the knife-holding plate, in the second-mentioned case in the region of the main surface of the knife-holding plate between the latter and the optionally deformed projection.
  • the clamping plate adjacent cover plate in the alignment of the clamping connection, is provided with a through hole which can be closed by means of a plug.
  • the display fusible link which is fastened with its other end to the display element, inserted through the hole in the cover sheet and in this case positioned between the projection and the blade holder plate.
  • the projection can then be acted upon by the through hole by means of a further tool, such that the projection is pressed against the remaining portion of the knife holding plate, thereby clamping the display fusion conductor between itself and the remaining portion of the knife holding plate.
  • a sealing plug can be inserted into this through hole. The function of the sealing plug is thus independent of the fixation of the display melting conductor in the region of the knife-holding plate.
  • This development thus relates to the safe and permanent electrical contacting of the display device in the region of the other end of the fuse link.
  • the deflected blade holding plate section or the expression of the knife holder plate comes exclusively to the contact function.
  • This area is therefore in no functional connection with the implementation of the display melting conductor through the knife-holding plate in the region of a hole which can be closed by means of a plug, as described for DE-A 100 05 145.
  • the knife holder plate is provided with a ring portion which is inserted into a hole of the associated cover plate, wherein the outer end edge of the annular portion is aligned with the maximum maximum outer surface of the respective cover plate.
  • the ring section passes through the indicator fusible conductor which is inserted through a hole in a sealing plug.
  • the display element is attached to the knife holder plate by the sealing plug passing through a hole in the display element is pressed into the hole of the knife holder plate in the region of the ring portion.
  • the indicator melting conductor is arranged locally next to the bent-out knife holding plate section or the stamping out of the main surface of the knife holding plate. A plug for closing an opening in the region of this cover plate or this Messerhalteplatte is not required. This considerably simplifies the manufacture and installation of the fuse link.
  • the display fusion conductor outside of the display element adjacent Knife plate is arranged.
  • the deflected blade holding plate portion or the expression of the blade holding plate to the contact function regarding the display element, while the display melting conductor, which acts on the display element, based on the region of the blade holder plate, is disposed outside of this blade holder plate.
  • the indicator fusible conductor is thus not passed through a hole in this blade holding plate, but past the blade holding plate.
  • the manufacture and mounting of the fuse link in this area is simplified, because the assembly operations of this knife-holding plate and the display melting conductor can be done separately. It is not necessary to thread the indicator fusion conductor through a hole in a sealing plug inserted into the blade holding plate. Instead, the through hole in the cover plate facing the knife holder plate must be designed only in accordance with the dimensions of the bent-out knife holder plate section or the design of the knife holder plate.
  • the variant of the knife holder plate with the bent-out blade holder plate section is of particular advantage. Since only a relatively small embossing height can be achieved by means of an expression, the bending out of a section, depending on the bent-out length, allows the use of the knife holding plate for cover plates of different and in particular relatively large wall thickness. In case of identical arrangement of the through-hole, only the protruding portion of the blade holding plate is more or less shortened and bent out at the same position according to the thickness of the cover plate, whereby the respective blade holding plate portion has the desired different length corresponding to the thickness of the cover plate.
  • a particularly simple design of such a knife holder plate is characterized by a right angle to the main surface of the knife holder plate bent knife holding plate section. Such a knife-holding plate having an outwardly bent portion can be easily formed from a flat starting plate.
  • the respective cover plate is not conductive. It thus has in particular voltage-insulated grip bottles.
  • the contacting of the display device thus takes place both in the region of the display element and the display melt conductor directly to the blade holding plates out and from there to the contact blades. Switches off the fuse, therefore, a secure melting of the indicator melt is guaranteed.
  • the display element extends from the area of the outer surface of the associated cover plate to the outer surface of the fuse link. It is thus in the fuse link to such a front and center detector, as it is known for example from DE-A-100 05 145 and DE-A-197 44 535.
  • the display element is loosely attached to the cover plate, is thus not connected to the cover plate.
  • Such a variant is basically described in DE-C-1 034 751.
  • the embodiment according to FIGS. 1 to 5 differs from those according to FIGS. 6 to 9 essentially in that, in the embodiment according to FIGS. 1 to 5, the display melting conductor is guided through a hole of the knife holding plate which is adjacent to the display element. In the embodiment according to FIGS. 6 and 9, the indicator fusible conductor is arranged outside this knife holder plate.
  • FIGS. 1 to 5 In the following description, reference will first be made to the embodiment of FIGS. 1 to 5:
  • the NH fuse-link On the side of the display element, the NH fuse-link has a knife holder plate 1, which is provided with two substantially rectangular in cross-section openings 2 for receiving pins 3 of a contact blade 4. Adjacent to the knife holder plate 1, a cover plate 5 consisting of insulating material is arranged, which accommodates a metallic gripping tab 6 at the top, which is thus designed as an insulated gripping tab. Between the cover plate 5 and the knife holder plate 1 there is a sealing disc 7 formed of non-conductive material, the cover plate 5 is fastened by means of four screws on a hollow cylindrical housing formed as a ceramic body, as illustrated by the reference numeral 9 for the second embodiment in Figures 7 and 8 is.
  • the NH fuse-link according to a knife holder plate 10 with openings 2, a contact blade 4 with pin 3, a cover plate 11 with handle tabs 6, a sealing washer 7 and screws 8 for connecting the cover plate 11 with the housing 9.
  • the knife holder plate 10 and the cover plate 11 are therefore designated differently than the knife holder plate 1 and the cover plate 5, because these components, depending on the side of the NH fuse-link, are designed differently in this embodiment.
  • the free ends of the pins 3 inserted into the openings 2 of the knife-holding plate 1 or 10 are caulked.
  • the actual contact blade 4 passes through an opening of the sealing disc 7 and the cover plate 5 or 11 which is adapted to the cross section of the contact blade.
  • the respective blade holding plate 1 or 10 is held by fixing the cover plate 5 or 11 to the housing 9 by means of the screws 8 is clamped between the cover plate 5 and 11 and a return of the housing.
  • the knife holding plate 1 has a knife holding plate section 13 bent out of its main section 12. This is arranged approximately at right angles to the main section 12. The bend is located in the area of the knife holder plate 1 which is adjacent to the pull tab 6. Adjacent to the blade holding plate portion 13, the main portion 12 is provided with a through hole 14.
  • the cover plate is provided with a recess 15.
  • the length of the knife-holding plate section is dimensioned so that its free end face 16 projects beyond the cover plate 2 in the region of the recess 15 of this cover plate.
  • the display element 17 is formed by the, a spring-forming legs 19, 20 and 21.
  • the leg 19 rests freely on the end face 16 of the knife holder plate 1.
  • the display element 17 continues from the leg 21 into a further leg 22.
  • the visible leg 21 includes the function of the overhead detector of the NH fuse-link, the leg visible from the side 22, the function of the center detector.
  • the leg 22, which is provided with a marking acts in a known manner with a hole 23 in the housing 9, as illustrated for example to Figure 8 concerning the further embodiment together.
  • Part of the display device 18 also forms a trained as a wire display fusion conductor 24. This is electrically arranged in parallel to a not further illustrated, well-known from the prior art working fuse. This working fusible conductor is guided through the housing 9 and connected to the pin 3 of the contact blade 4.
  • the display melting conductor is connected at one end to the display element 17 in the region of the transition of the legs 21 and 20.
  • the leg 21 has a slot into which the indicator melting conductor 24 is clamped, preferably after repeated wrapping of the display element 17 in the region of the leg 21.
  • the indicator melting conductor 24 is held directly in the blade holding plate 10. This differs from the knife holder plate 1 in that it does not have a knife holder plate portion 13 bent out of the main portion 12 and also no hole 14. Rather, the knife holder plate 10 adjacent to the pull tab 6 has a recess 25. In the region of the lower limit of this recess, the indicator melting conductor 24 is held in the knife holding plate 10 by means of a clamping connection.
  • the knife-holding plate 10 has a projection 26, wherein the display fuse between the projection 26 and the remaining portion 27 of the knife-holding plate 10 is clamped.
  • Fig. 3 shows the state before jamming, wherein a sufficiently large gap is formed between the projection 26 and the remaining portion 27 of the blade holding plate 10 to set the indicator fuse 24 in this area of the blade holding plate 10, while Fig. 4 shows the clamped state.
  • the projection 26 has been moved by deformation by means of a tool against the remaining portion 27 of the knife-holding plate 10.
  • the deformation of the projection 26 takes place, as can be understood due to the illustration in Figure 1, from outside the NH fuse-link, by an opening 28 in the cover plate 11 and an aligned opening 29 in the sealing disc 7, a tool in the area the recess 25 of the blade holder plate 10 is guided and takes effect there.
  • the housing 9 In the position of the display element 17 shown in FIG. 1, which is prestressed by means of the display melt conductor 24, the housing 9 is filled with extinguishing sand and subsequently the opening 28 in the cover plate 11 is closed by means of a sealing plug.
  • FIG. 2 shows the state of the NH fuse-link, once again shown without a housing and extinguishing sand in it, after the fuse-link has melted through, thus after melt-through of working fuse and indicator melting conductor 24.
  • the melting of the indicator melting conductor 24 causes the display element 17 to relax and both its legs 21 and its legs 18 is moved, with the result that the triggering of the fuse can be recognized both the front side and from the side.
  • the knife holding plate 1 has no hole 14, but instead the knife holding plate section 13 is positioned closer to an opening 2 of the knife holding plate 1 facing the latter and the display melting conductor 18 is guided outside the knife holding plate 1 and with the display element 17 in FIG Area of the leg 21 connected.
  • the corresponding opening in the cover plate 5 for passing the knife-holding plate section 13 is designated by the reference numeral 30 in FIG. 7, the small, bore-like opening for passing through the wire-shaped display fusion conductor 24 by the reference numeral 31 in this figure.

Landscapes

  • Fuses (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

A housing contains a working fusible conductor connected to contact blades (3). A fusible indicator conductor (24) is directly fixed in one blade holding plate (10) by a clamp connection. The blade holding plate has a projection, and the fusible indicator conductor is clamped between the projection and the remaining section (27) of the blade holding plate. An independent claim is included for a further fuse link.

Description

Die Erfindung betrifft einen Sicherungseinsatz, insbesondere für Niederspannungs-Hochleistungs-Sicherungen (NH-Sicherungen), mit einem auf entgegengesetzten Seiten offenen Gehäuse, mit dem Gehäuse verbundenen Deckplatten zum Verschließen der Öffnungen des Gehäuses, einer im Bereich der Innenseite der jeweiligen Deckplatte angeordneten Messerhalteplatte zur Lagerung eines Kontaktmessers, das eine Öffnung in der Deckplatte nach außen durchsetzt, wobei im Gehäuse ein Arbeitsschmelzleiter angeordnet ist, der leitend mit den Kontaktmessern verbunden ist, sowie mit einer Anzeigeeinrichtung, die im Bereich der Außenfläche einer Deckplatte ein Anzeigeelement aufweist, wobei das Anzeigeelement von einem im Gehäuse angeordneten, elektrisch parallel zum Arbeitsschmelzleiter angeordneten, drahtförmigen Anzeigeschmelzleiter in vorgespannter Lage fixiert ist, der Anzeigeschmelzleiter mit einem Ende am Anzeigeelement angreift und dessen anderes Ende mittels einer Klemmverbindung im Bereich der einen Messerhalteplatte festgelegt ist.The invention relates to a fuse link, in particular for low-voltage high-performance fuses (NH fuses), with an open on opposite sides housing, connected to the housing cover plates for closing the openings of the housing, arranged in the region of the inside of the respective cover plate knife plate for Bearing a contact blade, which passes through an opening in the cover plate to the outside, wherein in the housing a working fusible conductor is arranged, which is conductively connected to the contact blades, and with a display device which has a display element in the region of the outer surface of a cover plate, wherein the display element is arranged by a arranged in the housing, arranged electrically parallel to the working fusible conductor, wire-shaped display fusible link is fixed in a prestressed position, the display fusible link engages one end on the display element and the other end is fixed by means of a clamping connection in the region of a knife-holding plate.

Sicherungseinsätze für NH-Sicherungen sind aus dem Stand der Technik vielfältig bekannt.Fuse-links for NH fuses are widely known from the prior art.

Ein Sicherungseinsatz der eingangs genannten Art ist aus der DE-A-100 05 145 bekannt. Er weist aus elektrisch isolierendem Material bestehende Deckplatten auf. Das jeweilige Kontaktmesser ist mit Ansätzen versehen, die Öffnungen in der zugeordneten Deckplatte durchsetzen und mit der dieser Deckplatte zugewandten Messerhalteplatte verbunden sind. Jede Messerhalteplatte ist mit einem Durchgangsloch versehen, in das ein Verschlussstopfen eingesteckt ist. Der eine Verschlussstopfen, im Bereich der einen Messerhalteplatte die dem Anzeigeelement zugeordnet ist, ist mit einem zentralen Loch versehen, durch das der Anzeigeschmelzleiter gesteckt wird. Das nach außen überstehende Ende des Anzeigeschmelzleiters wird in einen Schlitz des Anzeigeelementes eingesteckt und somit an diesem festgeklemmt. Das andere Ende des Anzeigeschmelzleiters wird, vor dem Einpressen des Verschlussstopfens in das Loch der Messerhalteplatte, durch diese, die Befüllöffnung für Löschsand darstellende Öffnung hindurchgezogen und mittels eines Befestigungselementes fixiert. Anschließend wird der Aufnahmeraum des Gehäuses mit Löschsand gefüllt. Dann wird die Befüllöffnung mittels des Verschlussstopfens verschlossen. Der Anzeigeschmelzleiter ist damit zwischen dem Verschlussstopfen und der Messerhalteplatte geklemmt.A fuse link of the type mentioned is known from DE-A-100 05 145. He has from electrically insulating material existing cover plates. The respective contact blade is provided with lugs, pass through the openings in the associated cover plate and connected to the cover plate facing the knife plate. Each knife holder plate is provided with a through hole into which a sealing plug is inserted. The one sealing plug, in the region of a knife-holding plate which is assigned to the display element, is provided with a central hole through which the indicator melting conductor is inserted. The outwardly projecting end of the display melt conductor is inserted into a slot of the display element and thus clamped to this. The other end of the display melting conductor is pulled through before the pressing of the sealing plug into the hole of the knife holder plate, through this, the filling opening for the erosion representing opening and fixed by means of a fastening element. Subsequently, the receiving space of the housing is filled with extinguishing sand. Then the filling opening is closed by means of the sealing plug. The indicator fusible conductor is thus clamped between the sealing plug and the blade holding plate.

Bei diesem aus dem Stand der Technik bekannten Sicherungseinsatz ist die jeweilige Messerhalteplatte im Bereich der Öffnung, die der Aufnahme des Verschlussstopfens dient, mit einem nach außen, somit vom Gehäuse weggerichteten Ringflansch versehen. Dieser erstreckt sich aus der Hauptfläche der jeweiligen Messerhalteplatte. Der nach außen gerichtete Flansch stellt eine leitende Verbindung der jeweiligen Messerhalteplatte zum Anzeigeschmelzleiter bzw. dem Anzeigeelement sicher. Dies ist unter dem Aspekt der nicht leitenden Deckplatten von Bedeutung.In this known from the prior art fuse link, the respective blade holding plate in the region of the opening, which serves to receive the sealing plug, provided with an outwardly directed, thus away from the housing annular flange. This extends from the main surface of the respective blade holder plate. The outwardly directed flange ensures a conductive connection of the respective blade-holding plate to the display fusible conductor or the display element. This is important in terms of non-conductive cover plates.

Nachteilig ist bei diesem Sicherungseinsatz, dass dessen Gestaltung im Bereich beider Messerhalteplatten und den dortigen Kontaktbereichen der Anzeigeeinrichtung baulich recht aufwendig ist und zudem einen großen Montageaufwand bedingt. So dient der Verschlussstopfen im Bereich des Anzeigeelementes nicht nur der Befestigung des Anzeigeelementes, sondern auch dessen Kontaktierung mit der zugeordneten Messerhalteplatte. In diesem Bereich ist überdies der Anzeigeschmelzleiter durch die Messerhalteplatte zu führen, konkret durch das Loch in dem Verschlussstopfen zu fädeln, der in die Öffnung der Messerhalteplatte eingesetzt ist. Diese Verfahrensweise ist äußerst aufwendig. Das andere Ende des Anzeigeschmelzleiters ist zunächst, vor dem Einpressen des Verschlussstopfens, mittels eines Befestigungselementes zu fixieren. Erst nach dem Befüllen des Gehäuses mittels Löschsand kann der Verschlussstopfen in die Öffnung der zugeordneten Messerhalteplatte und der dieser zugeordneten Deckplatte eingesteckt werden; erst bei eingestecktem Verschlussstopfen ist der Anzeigeschmelzleiter dort fixiert. Zum Fixieren ist somit zumindest der Verschlussstopfen erforderlich, zudem zum Vorfixieren das Befestigungselement. Auch diese Verfahrensweise ist sehr aufwendig, womit der bauliche Aufwand zum automatisierten Herstellen derartiger Sicherungseinsätze erheblich ist.A disadvantage of this fuse link that its design in the field of both knife holding plates and the local contact areas of the display is structurally quite complex and also requires a large installation effort. Thus, the sealing plug in the region of the display element not only serves to fasten the display element, but also to make contact with the associated knife holding plate. In this area, moreover, the indicator fusion conductor is to be guided by the blade holding plate, concretely to thread through the hole in the sealing plug, which is inserted into the opening of the blade holding plate. This procedure is extremely expensive. The other end of the display melting conductor is first to fix before pressing the sealing plug, by means of a fastener. Only after filling the housing by means of extinguishing sand, the sealing plug can be inserted into the opening of the associated knife-holding plate and the cover plate associated therewith; only when the plug is plugged in, the indicator fusion conductor is fixed there. For fixing thus at least the sealing plug is required, also for pre-fixing the fastener. This procedure is very complicated, so the structural complexity for the automated production of such fuse inserts is considerable.

In der DE-A-197 44 535 ist ein Sicherungseinsatz für NH-Sicherungen beschrieben, bei dem der Anzeigeschmelzleiter im Bereich einer Deckplatte an einer Zwischenplatte, beispielsweise durch eine Punktschweißung, fixiert und an das, an dieser Grundplatte angeordnete Kontaktmesser angeschlossen ist. In eine Öffnung der anderen Deckplatte ist eine Isolierbuchse eingesetzt, durch die der Anzeigeschmelzleiter hindurchgeführt ist. Die Öffnung mündet in eine Ausnehmung dieser Deckplatte. Ein Anzeigeelement einer Anzeigeeinrichtung ist mit einem Basisschenkel in diese Ausnehmung eingelegt und dort durch Verquetschen des seitlichen Randes der Ausnehmung fixiert. Ein Schenkel des Anzeigeelementes ist mit einem Durchbruch oder Schlitz versehen, durch den der Anzeigeschmelzleiter, der als dünner Draht ausgebildet ist, hindurchgeführt ist. Der Anzeigeschmelzleiter ist auf der Oberseite dieses Schenkels mit diesem punktverschweißt. Die Deckplatte kann bei diesem Sicherungseinsatz gleichfalls nichtleitend sein. In diesem Fall wird vorgeschlagen, das Anzeigeelement mit einer ausgeformten Nase oder Ausrundung versehen, die unmittelbar die dem Anzeigeelement zugeordnete Kontaktplatte kontaktiert, wenn der Anzeigeschmelzleiter gespannt ist.In DE-A-197 44 535 a fuse link for NH fuses is described, in which the display fusion conductor in the region of a cover plate to an intermediate plate, for example by a spot weld, fixed and to which, arranged on this base plate contact blade is connected. In an opening of the other cover plate, an insulating bush is inserted, through which the display melting conductor is passed. The opening opens into a recess of this cover plate. A display element of a display device is inserted with a base leg in this recess and fixed there by squeezing the lateral edge of the recess. One leg of the display element is provided with a breakthrough or slot through which the display fusion conductor, which is formed as a thin wire, is passed. The indicator fusible conductor is spot-welded to the top of this leg. The cover plate can also be non-conductive in this fuse. In this case, it is proposed to provide the display element with a shaped nose or fillet which directly contacts the contact plate associated with the display element when the display fuse is stretched.

Elektrische Sicherungseinsätze für NH-Sicherungen sind ferner aus der DE-C-42 36 212 und DE-A-32 03 211 bekannt.Electrical fuse links for NH fuses are also known from DE-C-42 36 212 and DE-A-32 03 211.

Aufgabe der Erfindung ist es, einen Sicherungseinsatz der eingangs genannten Art so weiterzubilden, dass bei minimalem Herstellungs- und Montageaufwand eine sichere und dauerhafte elektrische Kontaktierung der Anzeigeeinrichtung gewährleistet ist.The object of the invention is to develop a fuse link of the type mentioned so that with minimal manufacturing and assembly costs, a secure and permanent electrical contacting of the display device is ensured.

Gelöst wird die Aufgabe bei einem Sicherungseinsatz der eingangs genannten Art dadurch, dass der Anzeigeschmelzleiter mittels der Klemmverbindung unmittelbar in der einen Messerhalteplatte festgelegt ist.The object is achieved in a fuse link of the type mentioned above in that the display fusion conductor is fixed by means of the clamping connection directly in the one blade holder plate.

Erfindungsgemäß ist somit vorgesehen, dass die Messerhalteplatte selbst dem Festlegen eines Anzeigeschmelzleiters dient. Es ist somit kein weiteres Bauteil zum Festlegen des Anzeigeschmelzleiters an der Messerhalteplatte notwendig, somit insbesondere kein Verschlussstopfen, der die klemmende Verbindung zwischen diesem und der Messerhalteplatte herbeiführt. Es ist auch keine Schweißverbindung vorzusehen, die die Verbindung zwischen Anzeigeschmelzeiter und Messerhalteplatte herbeiführt. Die Verbindung des Anzeigeschmelzleiters mittels eines Verschlussstopfens hat den Nachteil, dass die Einpressrichtung des Stopfens entgegengesetzt zur Zugrichtung des Anzeigeschmelzleiters ist und demzufolge eine Kontrolle erforderlich ist, ob das Anzeigeelement richtig gespannt ist. Dies gilt gleichfalls bei einer Schweißverbindung des Anzeigeschmelzleiters. Abgesehen hiervon besteht die Gefahr, dass bei übermäßiger Erhitzung des Anzeigeschmelzleiters, bei dessen Befestigen an der zugeordneten Messerhalteplatte, der Anzeigeschmelzleiter in diesem Bereich unbeabsichtigt durchtrennt wird.According to the invention it is thus provided that the knife holder plate itself serves to set a display melting conductor. There is thus no further component for fixing the display melt conductor to the knife-holding plate necessary, thus in particular no sealing plug, which brings about the clamping connection between this and the knife-holding plate. It is not Provide welded joint, which brings about the connection between display melt timer and knife holder plate. The connection of the display melting conductor by means of a sealing plug has the disadvantage that the pressing-in direction of the plug is opposite to the pulling direction of the indicating melting conductor and accordingly a check is required as to whether the indicating element is properly tensioned. This also applies to a welded connection of the indicator melting conductor. Apart from this, there is the danger that if the display melting conductor is excessively heated, when it is fastened to the associated knife holding plate, the indicator melting conductor in this area will be unintentionally severed.

Die Erfindung beschreitet einen sehr einfachen Weg, in dem die Festlegung des Anzeigeschmelzleiters unmittelbar in der Messerhalteplatte erfolgt. Besonders einfach lässt sich diese Art der Verbindung von Messerhalteplatte und Anzeigeschmelzleiter bewerkstelligen, wenn die Messerhalteplatte einen Vorsprung aufweist, wobei der Anzeigeschmelzleiter zwischen dem Vorsprung und dem verbleibenden Abschnitt der Messerhalteplatte geklemmt ist. Grundsätzlich reicht eine solche Klemmverbindung aus, wie sie durch einen sich verjüngenden Spalt zwischen Messerhalteplatte und Vorsprung erzielt werden kann. So wird der angezogene Anzeigeschmelzleiter in diesen Spalt hineinbewegt und ist in dieser Stellung dauerhaft gehalten.The invention proceeds in a very simple way, in which the determination of the display melting conductor takes place directly in the knife holder plate. This type of connection of the knife-holding plate and the indicator-melting conductor can be accomplished particularly easily if the knife-holding plate has a projection, wherein the indicator-melting conductor is clamped between the projection and the remaining portion of the knife-holding plate. In principle, such a clamping connection is sufficient, as can be achieved by a tapering gap between the knife-holding plate and the projection. Thus, the tightened indicator fusion is moved into this gap and is permanently held in this position.

Als vorteilhafter wird es angesehen, wenn die Verbindung von Anzeigeschmelzleiter und Messerhalteplatte unlösbar ist. Dies geschieht vorzugsweise dadurch, dass die Klemmverbindung durch Verformen des Vorsprungs in Richtung des verbleibenden Abschnitts der Messerhalteplatte gebildet ist. Ein Verformvorgang der Messerhalteplatte führt somit zum unlösbaren Verbinden von Anzeigeschmelzleiter und Messerhalteplatte.It is regarded as more advantageous if the connection of the indicator melting conductor and the knife holding plate is insoluble. This is preferably done in that the clamping connection is formed by deforming the projection in the direction of the remaining portion of the knife-holding plate. A deformation process of the knife holder plate thus leads to the permanent connection of the display fusion conductor and the knife holder plate.

Die Messerhalteplatte kann als sehr einfaches Bauteil gestaltet sein. So ist es zum Erreichen des erfindungsgemäßen Zwecks möglich, die Messerhalteplatte insgesamt als ebenes Bauteil auszubilden. Der Vorsprung ragt in diesem Fall etwas vom verbleibenden Abschnitt der Messerhalteplatte weg. Grundsätzlich wäre es aber auch denkbar, den Vorsprung aus der Hauptebene der Messerplatte heraus orientiert anzuordnen. Im erstgenannten Fall wird der Anzeigeschmelzleiter im Bereich der Stirnkante der Messerhalteplatte, im zweitgenannten Fall im Bereich der Hauptfläche der Messerhalteplatte zwischen dieser und dem gegebenenfalls verformten Vorsprung gehalten.The knife holder plate can be designed as a very simple component. Thus, it is possible to achieve the purpose of the invention to form the knife plate as a whole as a flat component. The projection sticks out in this case slightly away from the remaining portion of the knife holder plate. In principle, it would also be conceivable to arrange the projection oriented out of the main plane of the knife plate. In the former case, the display fusible conductor is held in the region of the front edge of the knife-holding plate, in the second-mentioned case in the region of the main surface of the knife-holding plate between the latter and the optionally deformed projection.

Unter dem Aspekt einer besonders einfachen Erzeugung der Klemmverbindung zwischen Anzeigeschmelzleiter und Messerhalteplatte wird es als vorteilhaft angesehen, wenn die der Klemmverbindung benachbarte Deckplatte, in der Flucht der Klemmverbindung, mit einem Durchgangsloch versehen ist, das mittels eines Stopfens verschließbar ist. Bei dieser Gestaltung wird bei weitgehend montiertem Sicherungseinsatz, vor dem Füllen mit Löschsand, der Anzeigeschmelzleiter, der mit seinem anderen Ende am Anzeigeelement befestigt ist, durch das Loch in der Deckblatte gesteckt und hierbei zwischen dem Vorsprung und der Messerhalteplatte positioniert. Bei mittels eines Werkzeuges gespanntem Anzeigeschmelzleiter kann dann durch das Durchgangsloch mittels eines weiteren Werkzeuges auf den Vorsprung eingewirkt werden, derart, dass der Vorsprung gegen den verbleibenden Abschnitt der Messerhalteplatte gedrückt wird und hierbei den Anzeigeschmelzleiter zwischen sich und dem verbliebenden Abschnitt der Messerhalteplatte klemmt. Nach dem Befüllen des Gehäuses mit Löschsand kann in dieses Durchgangsloch ein Verschlussstopfen eingesteckt werden. Die Funktion des Verschlussstopfens ist somit unabhängig von der Fixierung des Anzeigeschmelzleiters im Bereich der Messerhalteplatte.From the aspect of a particularly simple generation of the clamping connection between the display melting conductor and knife holder plate, it is considered advantageous if the clamping plate adjacent cover plate, in the alignment of the clamping connection, is provided with a through hole which can be closed by means of a plug. In this design, with largely mounted fuse link, prior to filling with extinguishing sand, the display fusible link, which is fastened with its other end to the display element, inserted through the hole in the cover sheet and in this case positioned between the projection and the blade holder plate. In the case of a display fusion conductor tensioned by means of a tool, the projection can then be acted upon by the through hole by means of a further tool, such that the projection is pressed against the remaining portion of the knife holding plate, thereby clamping the display fusion conductor between itself and the remaining portion of the knife holding plate. After filling the housing with extinguishing sand, a sealing plug can be inserted into this through hole. The function of the sealing plug is thus independent of the fixation of the display melting conductor in the region of the knife-holding plate.

Gemäß einer bevorzugten Weiterbildung der Erfindung ist vorgesehen, dass die dem Anzeigeelement benachbarte Messerhalteplatte einen aus deren Hauptfläche herausgebogenen Messerhalteplattenabschnitt oder eine Ausprägung aus dieser Hauptfläche aufweist, wobei der Messerhalteplattenabschnitt oder die Ausprägung ein Durchgangsloch in der dieser Messerhaltplatte zugewandten Deckplatte durchsetzt und das in vorgespannter Lage fixierte Anzeigeelement unmittelbar elektrisch kontaktiert, wobei der Anzeigeschmelzleiter neben dem herausgebogenen Messerhalteplattenabschnitt oder der Ausprägung angeordnet ist.According to a preferred development of the invention, it is provided that the knife holding plate adjacent to the display element has a knife holding plate section bent out of its main face or a stamping from this main face, wherein the knife holding plate section or the stamping passes through a through hole in the cover plate facing this knife holding plate and in biased position fixed display element contacted directly electrically, wherein the display fusible conductor is arranged next to the bent-out blade holder plate portion or the expression.

Diese Weiterbildung bezieht sich somit auf die sichere und dauerhafte elektrische Kontaktierung der Anzeigeeinrichtung im Bereich des anderen Endes des Sicherungseinsatzes.This development thus relates to the safe and permanent electrical contacting of the display device in the region of the other end of the fuse link.

Bei dieser Weiterbildung kommt dem herausgebogenen Messerhalteplattenabschnitt bzw. der Ausprägung der Messerhalteplatte ausschließlich die Kontaktfunktion zu. Dieser Bereich steht somit in keinem funktionellen Zusammenhang mit der Durchführung des Anzeigeschmelzleiters durch die Messerhalteplatte im Bereich eine Loches, das mittels eines Stopfens verschließbar ist, wie es zur DE-A 100 05 145 beschrieben ist. Dort ist die Messerhalteplatte mit einem Ringabschnitt versehen, der in ein Loch der zugeordneten Deckplatte eingesteckt ist, wobei der äußere stirnseitige Rand des Ringabschnittes maximal mit der äußeren Stirnfläche der jeweiligen Deckplatte fluchtet. Den Ringabschnitt durchsetzt der Anzeigeschmelzleiter, der durch ein Loch in einem Verschlussstopfen eingeführt ist. Mittels dieses Verschlussstopfens wird das Anzeigeelement an der Messerhalteplatte befestigt, indem der ein Loch im Anzeigeelement durchsetzende Verschlussstopfen in das Loch der Messerhalteplatte im Bereich des Ringabschnittes eingepresst wird. - Bei der Weiterbildung hingegen ist der Anzeigeschmelzleiter örtlich neben dem herausgebogenen Messerhalteplattenabschnitt bzw. der Ausprägung aus der Hauptfläche der Messerhalteplatte angeordnet. Ein Stopfen zum Verschließen einer Öffnung im Bereich dieser Deckplatte bzw. dieser Messerhalteplatte ist nicht erforderlich. Dies vereinfacht die Herstellung und Montage des Sicherungseinsatzes erheblich.In this development, the deflected blade holding plate section or the expression of the knife holder plate comes exclusively to the contact function. This area is therefore in no functional connection with the implementation of the display melting conductor through the knife-holding plate in the region of a hole which can be closed by means of a plug, as described for DE-A 100 05 145. There, the knife holder plate is provided with a ring portion which is inserted into a hole of the associated cover plate, wherein the outer end edge of the annular portion is aligned with the maximum maximum outer surface of the respective cover plate. The ring section passes through the indicator fusible conductor which is inserted through a hole in a sealing plug. By means of this sealing plug, the display element is attached to the knife holder plate by the sealing plug passing through a hole in the display element is pressed into the hole of the knife holder plate in the region of the ring portion. In the case of the further development, however, the indicator melting conductor is arranged locally next to the bent-out knife holding plate section or the stamping out of the main surface of the knife holding plate. A plug for closing an opening in the region of this cover plate or this Messerhalteplatte is not required. This considerably simplifies the manufacture and installation of the fuse link.

Gemäß einer bevorzugten Weiterbildung ist vorgesehen, dass der Anzeigeschmelzleiter außerhalb der dem Anzeigeelement benachbarten Messerhalteplatte angeordnet ist. Bei dieser Gestaltung kommt dem herausgebogenen Messerhalteplattenabschnitt bzw. der Ausprägung der Messerhalteplatte die Kontaktfunktion betreffend das Anzeigeelement zu, während der Anzeigeschmelzleiter, der am Anzeigeelement angreift, bezogen auf den Bereich der Messerhalteplatte, außerhalb dieser Messerhalteplatte angeordnet ist.According to a preferred embodiment, it is provided that the display fusion conductor outside of the display element adjacent Knife plate is arranged. In this configuration, the deflected blade holding plate portion or the expression of the blade holding plate to the contact function regarding the display element, while the display melting conductor, which acts on the display element, based on the region of the blade holder plate, is disposed outside of this blade holder plate.

Der Anzeigeschmelzleiter wird somit nicht durch ein Loch in dieser Messerhalteplatte hindurchgeführt, sondern an der Messerhalteplatte vorbei. Das Herstellen und Montieren des Sicherungseinsatzes in diesem Bereich ist vereinfacht, weil die Montagevorgänge dieser Messerhalteplatte und des Anzeigeschmelzleiters separat erfolgen können. Es ist nicht erforderlich, den Anzeigeschmelzleiter durch ein Loch in einem Verschlussstopfen, der in die Messerhalteplatte eingesetzt ist, hindurchzufädeln. Stattdessen muss das Durchgangsloch in der der Messerhalteplatte zugewandten Deckplatte nur entsprechend den Abmessungen des herausgebogenen Messerhalteplattenabschnittes bzw. der Ausprägung der Messerhalteplatte gestaltet sein.The indicator fusible conductor is thus not passed through a hole in this blade holding plate, but past the blade holding plate. The manufacture and mounting of the fuse link in this area is simplified, because the assembly operations of this knife-holding plate and the display melting conductor can be done separately. It is not necessary to thread the indicator fusion conductor through a hole in a sealing plug inserted into the blade holding plate. Instead, the through hole in the cover plate facing the knife holder plate must be designed only in accordance with the dimensions of the bent-out knife holder plate section or the design of the knife holder plate.

Die Variante der Messerhalteplatte mit dem herausgebogenen Messerhalteplattenabschnitt ist von besonderem Vorteil. Da mittels einer Ausprägung nur eine relativ geringe Prägehöhe erreicht werden kann, erlaubt das Herausbiegen eines Abschnittes, je nach der herausgebogenen Länge, die Verwendung der Messerhalteplatte für Deckplatten unterschiedlicher und insbesondere relativ großer Wandstärke. Im Falle identischer Anordnung des Durchgangsloches ist entsprechend der Stärke der Deckplatte nur der vorspringende Abschnitt der Messerhalteplatte mehr oder weniger zu kürzen und an der selben Stelle herauszubiegen, womit der jeweilige Messerhalteplattenabschnitt die gewünschte unterschiedliche Länge entsprechend der Stärke der Deckplatte aufweist. Eine besonders einfache Gestaltung einer solchen Messerhalteplatte zeichnet sich durch einen im rechten Winkel zur Hauptfläche der Messerhalteplatte abgebogenen Messerhalteplattenabschnitt aus.
Eine solche, einen herausgebogenen Abschnitt aufweisende Messerhalteplatte, lässt sich auf einfache Art und Weise aus einer ebenen Ausgangsplatte bilden.The variant of the knife holder plate with the bent-out blade holder plate section is of particular advantage. Since only a relatively small embossing height can be achieved by means of an expression, the bending out of a section, depending on the bent-out length, allows the use of the knife holding plate for cover plates of different and in particular relatively large wall thickness. In case of identical arrangement of the through-hole, only the protruding portion of the blade holding plate is more or less shortened and bent out at the same position according to the thickness of the cover plate, whereby the respective blade holding plate portion has the desired different length corresponding to the thickness of the cover plate. A particularly simple design of such a knife holder plate is characterized by a right angle to the main surface of the knife holder plate bent knife holding plate section.
Such a knife-holding plate having an outwardly bent portion can be easily formed from a flat starting plate.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die jeweilige Deckplatte nicht leitend ist. Sie weist somit insbesondere spannungsisolierte Griffflaschen auf. Die Kontaktierung der Anzeigeeinrichtung erfolgt somit sowohl im Bereich des Anzeigeelementes als auch des Anzeigeschmelzleiters unmittelbar zu den Messerhalteplatten hin und von dort zu den Kontaktmessern. Schaltet die Sicherung ab, ist demzufolge ein sicheres Durchschmelzen des Anzeigeschmelzleiters gewährleistet. Vorteilhaft erstreckt sich bei dem Sicherungseinsatz das Anzeigeelement von dem Bereich der Außenfläche der zugeordneten Deckplatte zur Mantelfläche des Sicherungseinsatzes. Es handelt sich somit bei dem Sicherungseinsatz um einen solchen mit Stirn- und Mittenmelder, wie er beispielsweise aus der DE-A-100 05 145 und DE-A-197 44 535 bekannt ist. Vorzugsweise liegt allerdings das Anzeigeelement lose an der Deckplatte an, ist somit nicht mit der Deckplatte verbunden. Eine solche Variante ist grundsätzlich in der DE-C-1 034 751 beschrieben.According to a preferred embodiment of the invention it is provided that the respective cover plate is not conductive. It thus has in particular voltage-insulated grip bottles. The contacting of the display device thus takes place both in the region of the display element and the display melt conductor directly to the blade holding plates out and from there to the contact blades. Switches off the fuse, therefore, a secure melting of the indicator melt is guaranteed. Advantageously, in the case of the fuse insert, the display element extends from the area of the outer surface of the associated cover plate to the outer surface of the fuse link. It is thus in the fuse link to such a front and center detector, as it is known for example from DE-A-100 05 145 and DE-A-197 44 535. Preferably, however, the display element is loosely attached to the cover plate, is thus not connected to the cover plate. Such a variant is basically described in DE-C-1 034 751.

Weitere Merkmale der Erfindung sind in den Unteransprüchen, der Beschreibung der Figuren und der Figuren selbst dargestellt, wobei bemerkt wird, dass alle Einzelmerkmale und Kombinationen von Einzelmerkmalen erfindungswesentlich sind.Further features of the invention are set forth in the subclaims, the description of the figures and the figures themselves, wherein it is noted that all individual features and combinations of individual features are essential to the invention.

In den Figuren ist die Erfindung anhand einer Ausführungsform dargestellt, ohne auf diese beschränkt zu sein. Es zeigt:

Figur 1
ein Längsmittelschnitt durch eine erste Ausführungsform des erfindungsgemäßen NH-Sicherungseinsatzes, ohne Gehäuse, bei gespanntem Anzeigeelement,
Figur 2
einen Schnitt gemäß Figur 1 durch den NH-Sicherungseinsatz, bei ausgelöstem Sicherungseinsatz, somit bei durchtrenntem Anzeigeschmelzleiter und entspanntem Anzeigeelement,
Figur 3
eine Ansicht III der einen Messerhalteplatte gemäß Figur 2, veranschaulicht vor dem Umformen dieser Messerhalteplatte zwecks Klemmen des Anzeigeschmelzleiters,
Figur 4
die in Figur 3 gezeigte Messerhalteplatte nach deren Umformung und somit Klemmung des Anzeigeschmelzleiters,
Figur 5
eine räumliche Ansicht der anderen Messerhalteplatte des NH-Sicherungseinsatzes,
Figur 6
für eine zweite Ausführungsform der Erfindung Teile des NH-Sicherungseinsatzes in einer räumlichen Ansicht, nämlich im Wesentlichen die eine Deckplatte mit Kontaktmesser und Anzeigeelement sowie die andere Deckplatte mit Messerhalteplatte und zwischen diesen angeordneter Dichtscheibe,
Figur 7
eine räumliche Ansicht der nur bezüglich der Deckplatte zur Aufnahme des Anzeigeelementes, des Gehäuses und des zwischen Deckplatte und Gehäuse angeordneten Dichtscheibe dargestellten NH-Sicherungseinsatzes,
Figur 8
für diese Ausführungsform in einer räumlichen Ansicht eines Mittellängsschnittes das Gehäuse, die Deckplatte, das Anzeigeelement und die Messerhalteplatte und
Figur 9
eine Explosionsdarstellung von Messerhalteplatte, Dichtscheibe und Deckplatte für den in Figur 8 veranschaulichten Bereich des NH-Sicherungseinsatzes.
In the figures, the invention is illustrated by means of an embodiment, without being limited to these. It shows:
FIG. 1
a longitudinal center section through a first embodiment of the invention NH fuse-link, without housing, with a tensioned display element,
FIG. 2
a section according to Figure 1 by the NH fuse-link, with triggered fuse link, thus with severed display melting conductor and relaxed display element,
FIG. 3
FIG. 2 shows a view III of a knife-holding plate according to FIG. 2, before forming this knife-holding plate in order to clamp the indicator melting conductor,
FIG. 4
the knife holding plate shown in Figure 3 after the forming and thus clamping of the display melting conductor,
FIG. 5
a spatial view of the other knife holder plate of the NH fuse-link,
FIG. 6
for a second embodiment of the invention, parts of the NH fuse-link in a three-dimensional view, namely essentially the one cover plate with contact blade and display element and the other cover plate with knife-holding plate and arranged between these sealing disc,
FIG. 7
a spatial view of the only with respect to the cover plate for receiving the display element, the housing and arranged between the cover plate and housing sealing washer shown NH fuse-link,
FIG. 8
for this embodiment, in a three-dimensional view of a central longitudinal section of the housing, the cover plate, the display element and the blade holding plate and
FIG. 9
an exploded view of knife holder plate, sealing washer and cover plate for the illustrated in Figure 8 range of NH fuse-link.

Die Ausführungsform nach den Figuren 1 bis 5 unterscheidet sich von denjenigen nach den Figuren 6 bis 9 im Wesentlichen dadurch, dass der Anzeigeschmelzleiter bei der Ausführungsform nach den Figuren 1 bis 5 durch ein Loch der Messerhalteplatte die benachbart dem Anzeigeelement ist, geführt ist. Bei der Ausführungsform nach den Figuren 6 und 9 ist der Anzeigeschmelzleiter außerhalb dieser Messerhalteplatte angeordnet.The embodiment according to FIGS. 1 to 5 differs from those according to FIGS. 6 to 9 essentially in that, in the embodiment according to FIGS. 1 to 5, the display melting conductor is guided through a hole of the knife holding plate which is adjacent to the display element. In the embodiment according to FIGS. 6 and 9, the indicator fusible conductor is arranged outside this knife holder plate.

Bei der nachfolgenden Beschreibung wird zunächst auf die Ausführungsform der Figuren 1 bis 5 Bezug genommen:In the following description, reference will first be made to the embodiment of FIGS. 1 to 5:

Auf der Seite des Anzeigeelementes weist der NH-Sicherungseinsatz eine Messerhalteplatte 1 auf, die mit zwei in Querschnitt im Wesentlichen rechteckigen Öffnungen 2 zur Aufnahme von Zapfen 3 eines Kontaktmessers 4 versehen ist. Benachbart der Messerhalteplatte 1 ist eine aus isolierendem Material bestehende Deckplatte 5 angeordnet, die oben eine metallische Grifflasche 6 aufnimmt, die somit als isolierte Grifflasche ausgebildet ist. Zwischen der Deckplatte 5 und der Messerhalteplatte 1 befindet sich eine aus nicht leitendem Material gebildete Dichtscheibe 7, befestigt wird die Deckplatte 5 mittels vier Schrauben am als Keramikkörper ausgebildeten hohlzylindrischen Gehäuse, wie es zum zweiten Ausführungsbeispiel in den Figuren 7 und 8 mit der Bezugsziffer 9 veranschaulicht ist.On the side of the display element, the NH fuse-link has a knife holder plate 1, which is provided with two substantially rectangular in cross-section openings 2 for receiving pins 3 of a contact blade 4. Adjacent to the knife holder plate 1, a cover plate 5 consisting of insulating material is arranged, which accommodates a metallic gripping tab 6 at the top, which is thus designed as an insulated gripping tab. Between the cover plate 5 and the knife holder plate 1 there is a sealing disc 7 formed of non-conductive material, the cover plate 5 is fastened by means of four screws on a hollow cylindrical housing formed as a ceramic body, as illustrated by the reference numeral 9 for the second embodiment in Figures 7 and 8 is.

Auf der anderen Seite weist der NH-Sicherungseinsatz entsprechend eine Messerhalteplatte 10 mit Öffnungen 2, ein Kontaktmesser 4 mit Zapfen 3, eine Deckplatte 11 mit Grifflaschen 6, eine Dichtscheibe 7 sowie Schrauben 8 zum Verbinden der Deckplatte 11 mit dem Gehäuse 9 auf. Die Messerhalteplatte 10 und die Deckplatte 11 sind dabei deshalb anders bezeichnet worden als die Messerhalteplatte 1 und die Deckplatte 5, weil diese Bauteile, je nach Seite des NH-Sicherungseinsatzes, bei dieser Ausführungsform unterschiedlich gestaltet sind.On the other hand, the NH fuse-link according to a knife holder plate 10 with openings 2, a contact blade 4 with pin 3, a cover plate 11 with handle tabs 6, a sealing washer 7 and screws 8 for connecting the cover plate 11 with the housing 9. The knife holder plate 10 and the cover plate 11 are therefore designated differently than the knife holder plate 1 and the cover plate 5, because these components, depending on the side of the NH fuse-link, are designed differently in this embodiment.

Zum Verbinden des jeweiligen Kontaktmessers 4 mit der Messerhalteplatte 1 bzw. 10 werden die freien Enden der in die Öffnungen 2 der Messerhalteplatte 1 bzw. 10 eingesetzten Zapfen 3 verstemmt. Das eigentliche Kontaktmesser 4 durchsetzt eine dem Querschnitt des Kontaktmessers angepasste Öffnung der Dichtscheibe 7 und der Deckplatte 5 bzw. 11. Gehalten wird die jeweilige Messerhalteplatte 1 bzw. 10, indem sie beim Anbringen der Deckplatte 5 bzw. 11 am Gehäuse 9 mittels der Schrauben 8 zwischen der Deckplatte 5 bzw. 11 und einem Rücksprung des Gehäuses geklemmt wird.For connecting the respective contact blade 4 with the knife-holding plate 1 or 10, the free ends of the pins 3 inserted into the openings 2 of the knife-holding plate 1 or 10 are caulked. The actual contact blade 4 passes through an opening of the sealing disc 7 and the cover plate 5 or 11 which is adapted to the cross section of the contact blade. The respective blade holding plate 1 or 10 is held by fixing the cover plate 5 or 11 to the housing 9 by means of the screws 8 is clamped between the cover plate 5 and 11 and a return of the housing.

Wie der Darstellung der Figur 5 zu entnehmen ist, weist die Messerhalteplatte 1 einen aus deren Hauptabschnitt 12 herausgebogenen Messerhalteplattenabschnitt 13 auf. Dieser ist etwa im rechten Winkel zum Hauptabschnitt 12 angeordnet. Die Ausbiegung befindet sich in dem Bereich der Messerhalteplatte 1, der der Grifflasche 6 benachbart ist. Benachbart des Messerhalteplattenabschnittes 13 ist der Hauptabschnitt 12 mit einem Durchgangsloch 14 versehen.As can be seen from the illustration of FIG. 5, the knife holding plate 1 has a knife holding plate section 13 bent out of its main section 12. This is arranged approximately at right angles to the main section 12. The bend is located in the area of the knife holder plate 1 which is adjacent to the pull tab 6. Adjacent to the blade holding plate portion 13, the main portion 12 is provided with a through hole 14.

Zwischen der Grifflasche 6 und dem Kontaktmesser 4 ist die Deckplatte mit einem Rücksprung 15 versehen. Die Länge des Messerhalteplattenabschnittes ist so bemessen, dass dessen freie Stirnfläche 16 über die Deckplatte 2 im Bereich des Rücksprungs 15 dieser Deckplatte hinaussteht. Dies ermöglicht es, dass die Messerhalteplatte 1 im Bereich der Stirnfläche 16 flächig ein als z-förmige Feder ausgebildetes Anzeigeelement 17 einer Anzeigeeinrichtung 18 kontaktiert. Das Anzeigeelement 17 ist durch die, eine Feder bildenden Schenkel 19, 20 und 21 gebildet. Der Schenkel 19 liegt frei an der Stirnfläche 16 der Messerhalteplatte 1 an. Das Anzeigeelement 17 setzt sich ausgehend vom Schenkel 21 in einen weiteren Schenkel 22 fort. Der sichtbare Schenkel 21 beinhaltet die Funktion des Stirnmelders des NH-Sicherungseinsatzes, der von der Seite sichtbare Schenkel 22 die Funktion des Mittenmelders. Insofern wirkt der Schenkel 22, der mit einer Markierung versehen ist, in bekannter Art und Weise mit einem Loch 23 im Gehäuse 9, wie es beispielsweise zur Figur 8 betreffend die weitere Ausführungsform veranschaulicht ist, zusammen.Between the grip tab 6 and the contact blade 4, the cover plate is provided with a recess 15. The length of the knife-holding plate section is dimensioned so that its free end face 16 projects beyond the cover plate 2 in the region of the recess 15 of this cover plate. This makes it possible for the knife-holding plate 1 to contact a display element 17 of a display device 18 in the area of the end face 16 in a planar manner as a z-shaped spring. The display element 17 is formed by the, a spring-forming legs 19, 20 and 21. The leg 19 rests freely on the end face 16 of the knife holder plate 1. The display element 17 continues from the leg 21 into a further leg 22. The visible leg 21 includes the function of the overhead detector of the NH fuse-link, the leg visible from the side 22, the function of the center detector. In this respect, the leg 22, which is provided with a marking acts in a known manner with a hole 23 in the housing 9, as illustrated for example to Figure 8 concerning the further embodiment together.

Bestandteil der Anzeigeeinrichtung 18 bildet ferner ein als Draht ausgebildeter Anzeigeschmelzleiter 24. Dieser ist elektrisch parallel zu einem nicht näher veranschaulichten, aus dem Stand der Technik hinlänglich bekannten Arbeitsschmelzleiter angeordnet. Dieser Arbeitsschmelzleiter ist durch das Gehäuse 9 geführt und mit dem Zapfen 3 der Kontaktmesser 4 verbunden.Part of the display device 18 also forms a trained as a wire display fusion conductor 24. This is electrically arranged in parallel to a not further illustrated, well-known from the prior art working fuse. This working fusible conductor is guided through the housing 9 and connected to the pin 3 of the contact blade 4.

Der Anzeigeschmelzleiter ist mit einem Ende mit dem Anzeigeelement 17 im Bereich des Übergangs der Schenkel 21 und 20 verbunden. So weist der Schenkel 21 beispielsweise eine Schlitz auf, in den der Anzeigeschmelzleiter 24 eingeklemmt ist, vorzugsweise nach mehrmaligem Umschlingen des Anzeigeelementes 17 im Bereich des Schenkels 21. Im Bereich der anderen Deckplatte 11 ist der Anzeigeschmelzleiter 24 unmittelbar in der Messerhalteplatte 10 gehalten. Diese unterscheidet sich von der Messerhalteplatte 1 dadurch, dass sie keinen aus dem Hauptabschnitt 12 herausgebogenen Messerhalteplattenabschnitt 13 und auch kein Loch 14 aufweist. Vielmehr weist die Messerhalteplatte 10 benachbart der Grifflasche 6 einen Rücksprung 25 auf. Im Bereich der unteren Begrenzung dieses Rücksprunges ist der Anzeigeschmelzleiter 24 mittels einer Klemmverbindung in der Messerhalteplatte 10 gehalten. So weist die Messerhalteplatte 10 einen Vorsprung 26 auf, wobei der Anzeigeschmelzleiter zwischen dem Vorsprung 26 und dem verbleibenden Abschnitt 27 der Messerhalteplatte 10 geklemmt ist. Figur 3 zeigt den Zustand vor dem Verklemmen, wobei der zwischen dem Vorsprung 26 und dem verbleibenden Abschnitt 27 der Messerhalteplatte 10 ein ausreichend großer Spalt gebildet ist, um den Anzeigeschmelzleiter 24 in diesem Bereich der Messerhaltplatte 10 einzulegen, während Figur 4 den geklemmten Zustand zeigt. In diesem ist der Vorsprung 26 durch Verformen mittels eines Werkzeuges gegen den verbleibenden Abschnitt 27 der Messerhalteplatte 10 bewegt worden. Die Verformung des Vorsprunges 26 erfolgt, wie es aufgrund der Darstellung in Figur 1 nachvollziehbar ist, von außerhalb des NH-Sicherungseinsatzes, indem durch eine Öffnung 28 in der Deckplatte 11 und eine mit dieser fluchtende Öffnung 29 in der Dichtscheibe 7 ein Werkzeug in den Bereich des Rücksprunges 25 der Messerhalteplatte 10 geführt wird und dort wirksam wird.The display melting conductor is connected at one end to the display element 17 in the region of the transition of the legs 21 and 20. Thus, for example, the leg 21 has a slot into which the indicator melting conductor 24 is clamped, preferably after repeated wrapping of the display element 17 in the region of the leg 21. In the area of the other cover plate 11, the indicator melting conductor 24 is held directly in the blade holding plate 10. This differs from the knife holder plate 1 in that it does not have a knife holder plate portion 13 bent out of the main portion 12 and also no hole 14. Rather, the knife holder plate 10 adjacent to the pull tab 6 has a recess 25. In the region of the lower limit of this recess, the indicator melting conductor 24 is held in the knife holding plate 10 by means of a clamping connection. Thus, the knife-holding plate 10 has a projection 26, wherein the display fuse between the projection 26 and the remaining portion 27 of the knife-holding plate 10 is clamped. Fig. 3 shows the state before jamming, wherein a sufficiently large gap is formed between the projection 26 and the remaining portion 27 of the blade holding plate 10 to set the indicator fuse 24 in this area of the blade holding plate 10, while Fig. 4 shows the clamped state. In this, the projection 26 has been moved by deformation by means of a tool against the remaining portion 27 of the knife-holding plate 10. The deformation of the projection 26 takes place, as can be understood due to the illustration in Figure 1, from outside the NH fuse-link, by an opening 28 in the cover plate 11 and an aligned opening 29 in the sealing disc 7, a tool in the area the recess 25 of the blade holder plate 10 is guided and takes effect there.

In der in der Figur 1 gezeigten, mittels des Anzeigeschmelzleiters 24 vorgespannten Stellung des Anzeigeelementes 17 wird das Gehäuse 9 mit Löschsand gefüllt und anschließend die Öffnung 28 in der Deckplatte 11 mittels eines Verschlussstopfens verschlossen.In the position of the display element 17 shown in FIG. 1, which is prestressed by means of the display melt conductor 24, the housing 9 is filled with extinguishing sand and subsequently the opening 28 in the cover plate 11 is closed by means of a sealing plug.

Figur 2 zeigt den Zustand des NH-Sicherungseinsatzes, wiederum dargestellt ohne Gehäuse und in diesem befindlichen Löschsand, nach dem Durchschmelzen des Sicherungseinsatzes, somit nach dem Durchschmelzen von Arbeitsschmelzleiter und Anzeigeschmelzleiter 24. Das Durchschmelzen des Anzeigeschmelzleiters 24 führt dazu, dass sich das Anzeigeelement 17 entspannt und sowohl dessen Schenkel 21 als auch dessen Schenkel 18 verschoben wird, mit der Folge, dass das Auslösen der Sicherung sowohl stirnseitig als auch von der Seite erkannt werden kann.FIG. 2 shows the state of the NH fuse-link, once again shown without a housing and extinguishing sand in it, after the fuse-link has melted through, thus after melt-through of working fuse and indicator melting conductor 24. The melting of the indicator melting conductor 24 causes the display element 17 to relax and both its legs 21 and its legs 18 is moved, with the result that the triggering of the fuse can be recognized both the front side and from the side.

Bei der in den Figuren 6 bis 9 veranschaulichten zweiten Ausführungsform der Erfindung sind Teile, die mit denjenigen der ersten Ausführungsform nach den Figuren 1 bis 5 in Aufbau und Wirkungsweise grundsätzlich übereinstimmen, mit denselben Bezugsziffern bezeichnet.In the second embodiment of the invention illustrated in FIGS. 6 to 9, parts which basically correspond to those of the first embodiment according to FIGS. 1 to 5 in construction and operation are designated by the same reference numerals.

Bei der Ausführungsform nach den Figuren 6 bis 9 weist die Messerhalteplatte 1 kein Loch 14 auf, sondern es ist der Messerhalteplattenabschnitt 13 dichter bezüglich einer dieser zugewandten Öffnung 2 der Messerhalteplatte 1 positioniert und der Anzeigeschmelzleiter 18 außerhalb der Messerhalteplatte 1 vorbeigeführt und mit dem Anzeigeelement 17 im Bereich des Schenkels 21 verbunden. Die entsprechende Öffnung in der Deckplatte 5 zum Durchführen des Messerhalteplattenabschnittes 13 ist in Figur 7 mit der Bezugsziffer 30, die kleine, bohrungs-artige Öffnung zum Durchstecken des drahtförmigen Anzeigeschmelzleiters 24 mit der Bezugsziffer 31 in dieser Figur bezeichnet. Zwecks besseren Verständnisses sind in den Figuren 6 bis 9 nur die für die jeweilige Erläuterung der Figur wesentlichen Bauteile veranschaulicht.In the embodiment according to FIGS. 6 to 9, the knife holding plate 1 has no hole 14, but instead the knife holding plate section 13 is positioned closer to an opening 2 of the knife holding plate 1 facing the latter and the display melting conductor 18 is guided outside the knife holding plate 1 and with the display element 17 in FIG Area of the leg 21 connected. The corresponding opening in the cover plate 5 for passing the knife-holding plate section 13 is designated by the reference numeral 30 in FIG. 7, the small, bore-like opening for passing through the wire-shaped display fusion conductor 24 by the reference numeral 31 in this figure. For better understanding, only the components essential for the respective explanation of the figure are illustrated in FIGS. 6 to 9.

Claims (13)

  1. A fuse link, in particular for low-voltage, high-breaking-capacity fuses (LV HBC fuses), comprising a case (9), which is open on opposite sides; cover plates (5, 11) attached to the case (9) for sealing the openings in said case (9); a blade-holding plate (1, 10) disposed in the region of the inside of each cover plate (5, 11) for supporting a contact blade (4) which passes through an opening in said cover plate (5, 11), a working fuse element, which is conductively connected to the contact blades (4), being disposed in said case (9); as well as comprising indicator means (18) which, in the region of the outer face of a cover plate (5), comprise an indicator element (17), said indicator element being fixed in a prestressed position by an indicator fuse element (24) which takes the form of a wire and is disposed inside the case so as to be electrically in parallel with the working fuse element, one end of the indicator fuse element (24) acting on the indicator element (17) and its other end being fixed by means of a clamped joint in the region of one blade-holding plate (10), characterized in that the indicator fuse element (24) is directly fixed to one blade-holding plate (10) by means of the clamped joint.
  2. A fuse link according to Claim 1, characterized in that the blade-holding plate (10) has a projection (26), the indicator fuse element (24) being clamped between said projection (26) and the remaining portion (27) of the blade-holding plate (10).
  3. A fuse link according to Claim 1 or 2, characterized in that the clamped joint is formed by a notch located between the projection (26) and the remaining portion (27) of the blade-holding plate (10) and by the indicator fuse element (24) being inserted into said notch.
  4. A fuse link according to one of Claims 1 to 3, characterized in that the clamped joint is formed by deformation of the projection (26) towards the remaining portion (27) of the blade-holding plate (10).
  5. A fuse link according to one of Claims 1 to 4, characterized in that, at least in the region of the projection (26) and of the area adjoining this of the remaining portion (27) of the blade-holding plate (10), the blade-holding plate (10) is formed as a flat structural member.
  6. A fuse link according to one of Claims 1 to 5, characterized in that, adjacent to the clamped joint, the cover plate (11) is provided with a through hole (28) which is disposed so as to be in line with the clamped joint and which can be sealed by means of a plug.
  7. A fuse link according to one of Claims 1 to 6, characterized in that, adjacent to the indicator element (17), the blade-holding plate (1) has a portion (13) bent out from its main portion (12) or else it has an embossment, the portion (13) or embossment passing through a hole (30) in the cover plate (5) which faces this blade-holding plate (1) and establishing direct electrical contact with the indicator element (17) fixed in the prestressed position, the indicator fuse element (24) being disposed close to the portion (13) or embossment of the blade-holding plate.
  8. A fuse link according to Claim 7, characterized in that the indicator fuse element (24) is disposed outside the blade-holding plate (1) adjoining the indicator element (17).
  9. A fuse link according to Claim 7 or 8, characterized in that the portion (13) of the blade-holding plate has a length which corresponds to at least the thickness of the facing cover plate (5) in its region adjoining the portion (13) of the blade-holding plate.
  10. A fuse link according to one of Claims 7 to 9, characterized in that the portion (13) of the blade-holding plate is bent out at right angles to the main portion (12) of the blade-holding plate (1).
  11. A fuse link according to one of Claims 1 to 10, characterized in that the respective cover plate (5, 11) is not conductive.
  12. A fuse link according to one of Claims 1 to 11, characterized in that the indicator element (17) extends from the region of the outer face of the cover plate (5) to the surface of the fuse link.
  13. A fuse link according to one of Claims 1 to 12, characterized in that the indicator element (17) rests loosely against the cover plate (5).
EP03020054A 2003-09-04 2003-09-04 Electric fuse link Expired - Lifetime EP1513180B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE50311621T DE50311621D1 (en) 2003-09-04 2003-09-04 Electric fuse link
EP03020054A EP1513180B1 (en) 2003-09-04 2003-09-04 Electric fuse link
SI200330908T SI1513180T1 (en) 2003-09-04 2003-09-04 Electric fuse link
DE50307176T DE50307176D1 (en) 2003-09-04 2003-09-04 Electric fuse link
ES05019741T ES2328827T3 (en) 2003-09-04 2003-09-04 ELECTRIC FUSE CARTRIDGE.
ES03020054T ES2287394T3 (en) 2003-09-04 2003-09-04 ELECTRIC FUSE CARTRIDGE.
EP05019741A EP1612826B1 (en) 2003-09-04 2003-09-04 Electric fuse link
AT05019741T ATE434261T1 (en) 2003-09-04 2003-09-04 ELECTRICAL FUSE INSERT
AT03020054T ATE361546T1 (en) 2003-09-04 2003-09-04 ELECTRICAL FUSE INSERT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03020054A EP1513180B1 (en) 2003-09-04 2003-09-04 Electric fuse link

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP05019741A Division EP1612826B1 (en) 2003-09-04 2003-09-04 Electric fuse link

Publications (2)

Publication Number Publication Date
EP1513180A1 EP1513180A1 (en) 2005-03-09
EP1513180B1 true EP1513180B1 (en) 2007-05-02

Family

ID=34130128

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05019741A Expired - Lifetime EP1612826B1 (en) 2003-09-04 2003-09-04 Electric fuse link
EP03020054A Expired - Lifetime EP1513180B1 (en) 2003-09-04 2003-09-04 Electric fuse link

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05019741A Expired - Lifetime EP1612826B1 (en) 2003-09-04 2003-09-04 Electric fuse link

Country Status (5)

Country Link
EP (2) EP1612826B1 (en)
AT (2) ATE434261T1 (en)
DE (2) DE50307176D1 (en)
ES (2) ES2328827T3 (en)
SI (1) SI1513180T1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HRP20100161A2 (en) 2010-03-18 2011-09-30 Kopčić Nikola Condition indicator of melting part of cartridge of low-voltage highly-effective fuses
US11923163B2 (en) 2019-01-16 2024-03-05 Siemens Aktiengesellschaft Fuse element and fuse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028268A1 (en) * 1980-07-25 1982-02-25 Siemens AG, 1000 Berlin und 8000 München NH FUSE WITH SPRING PANEL INDICATOR
DE3203211C2 (en) * 1982-02-01 1986-05-15 Siemens AG, 1000 Berlin und 8000 München Fuse link, especially for NH fuses
DE4236212C1 (en) * 1992-10-27 1993-12-09 Sicherungen Bau Gmbh Fuse element with fuse condition display spring - has spring tensioned via fuse wire attached to end cap at point above filling opening aperture receiving spring
DE10005145C2 (en) * 1999-12-23 2002-11-07 Sicherungen Bau Gmbh Fuse link, especially NH fuse link

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ATE361546T1 (en) 2007-05-15
DE50311621D1 (en) 2009-07-30
EP1612826A1 (en) 2006-01-04
DE50307176D1 (en) 2007-06-14
ES2287394T3 (en) 2007-12-16
ES2328827T3 (en) 2009-11-18
SI1513180T1 (en) 2007-10-31
EP1513180A1 (en) 2005-03-09
EP1612826B1 (en) 2009-06-17
ATE434261T1 (en) 2009-07-15

Similar Documents

Publication Publication Date Title
DE4017423C2 (en)
DE19605252B4 (en) Surface mount micro-miniature fusible link
EP2385541A1 (en) Device for holding a fuse and switching device
DE3040884C2 (en) Protection scheme
DE3126763A1 (en) HEAT-SENSITIVE MELTFUSE
DE202017104268U1 (en) fuse element
EP0536523A2 (en) Terminal
DE10162916A1 (en) Spring clip, surge arrester with the spring clip and arrangement of a surge arrester
EP1513180B1 (en) Electric fuse link
EP0168596A2 (en) Connecting clamp and method of making a connecting clamp
DE10005145C2 (en) Fuse link, especially NH fuse link
DE2612490C3 (en) Electrical multiple socket
DE1914687C3 (en) Circuit breaker
DE3610451C2 (en)
DE2702851C3 (en) Bimetal controlled switch
DE19644901C2 (en) Fuse insert with signaling device and method for producing a fuse insert with signaling device
DE10066075B4 (en) Fuse insert has indicator melting lead passing through cover plate holes, fixed to cover plate by conducting cap region, flange with contact opening section protruding into cover plate opening
EP1697958B1 (en) Fusible element provided with a flat insulating body
DE19648090C2 (en) Method and arrangement for fastening electrical components
DE2932584A1 (en) Electrical cut-out with indicator - has auxiliary fuse element parallel to main element, tensioned by leaf spring forming indicator
DE3932346A1 (en) ELECTRICAL CONNECTOR
WO2023237488A1 (en) Assembly for an overvoltage protection device, overvoltage protection device and method for producing an assembly
DE2816868C2 (en)
DE7738873U1 (en) Electrical connector
DE2337353C3 (en) Electrical installation device, in particular light or speed control device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

17P Request for examination filed

Effective date: 20050909

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

RAX Requested extension states of the european patent have changed

Extension state: MK

Payment date: 20050909

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: ELECTRIC FUSE LINK

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: MK

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 50307176

Country of ref document: DE

Date of ref document: 20070614

Kind code of ref document: P

REG Reference to a national code

Ref country code: RO

Ref legal event code: EPE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070802

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: BOVARD AG PATENTANWAELTE

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
ET Fr: translation filed
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20070502

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2287394

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

REG Reference to a national code

Ref country code: HU

Ref legal event code: AG4A

Ref document number: E002065

Country of ref document: HU

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070802

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071002

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

BERE Be: lapsed

Owner name: JEAN MULLER G.M.B.H. ELEKTROTECHNISCHE FABRIK

Effective date: 20070930

Owner name: ETI ELEKTROELEMENT D.D.

Effective date: 20070930

26N No opposition filed

Effective date: 20080205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070930

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20080912

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070904

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070502

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090930

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CZ

Payment date: 20100903

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: HU

Payment date: 20101018

Year of fee payment: 8

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: JEAN MUELLER GMBH ELEKTROTECHNISCHE FABRIK

Free format text: JEAN MUELLER GMBH ELEKTROTECHNISCHE FABRIK#H.J.-MUELLER-STRASSE 7#65343 ELTVILLE (DE) $ ETI ELEKTROELEMENT D.D.#OBREZIJA 5#1411 IZLAKE (SI) -TRANSFER TO- JEAN MUELLER GMBH ELEKTROTECHNISCHE FABRIK#H.J.-MUELLER-STRASSE 7#65343 ELTVILLE (DE) $ ETI ELEKTROELEMENT D.D.#OBREZIJA 5#1411 IZLAKE (SI)

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110904

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110905

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: RO

Payment date: 20130826

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20130923

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140904

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140904

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20150918

Year of fee payment: 13

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160930

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160930

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SI

Payment date: 20190829

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20190919

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20191121

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20191022

Year of fee payment: 17

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50307176

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 361546

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200904

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210401

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200904

Ref country code: SI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200905

REG Reference to a national code

Ref country code: SI

Ref legal event code: KO00

Effective date: 20210812

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20220114

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200905