EP0802554B1 - Einrichtung zum Sichern eines Deckels an einem Schaltergestell - Google Patents

Einrichtung zum Sichern eines Deckels an einem Schaltergestell Download PDF

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Publication number
EP0802554B1
EP0802554B1 EP97102388A EP97102388A EP0802554B1 EP 0802554 B1 EP0802554 B1 EP 0802554B1 EP 97102388 A EP97102388 A EP 97102388A EP 97102388 A EP97102388 A EP 97102388A EP 0802554 B1 EP0802554 B1 EP 0802554B1
Authority
EP
European Patent Office
Prior art keywords
cover
sliding window
sealing
lead
hbc
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
EP97102388A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0802554A2 (de
EP0802554A3 (de
Inventor
Francis Kilian
Christian Kölbel
Michael Lischka
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.)
EFEN GmbH
Original Assignee
EFEN Elektrotechnische Fabrik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EFEN Elektrotechnische Fabrik GmbH filed Critical EFEN Elektrotechnische Fabrik GmbH
Priority to SI9730281T priority Critical patent/SI0802554T1/xx
Publication of EP0802554A2 publication Critical patent/EP0802554A2/de
Publication of EP0802554A3 publication Critical patent/EP0802554A3/de
Application granted granted Critical
Publication of EP0802554B1 publication Critical patent/EP0802554B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H85/24—Means for preventing insertion of incorrect fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/12—Adaptation for built-in fuse
    • H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
    • 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

Definitions

  • the invention relates to a NH fuse switch disconnector with a switch frame, Contact springs and a protective cover base part, a lid and a device for securing the lid by sealing and / or locking, with the fuse links across Arranged side by side on the lid and by at least one phase partition are separated from each other and in which the front wall of the cover in the area of the fuse link has a recess covered by a sliding window with test holes.
  • NH fuse switch disconnectors with a frame and cover there are fuse links similarly, as described above, held in the lid. The contact will closed by closing the lid.
  • the phases R, S and T are in general as three fuse links one above the other in the case of safety edges or side by side in the case of switch disconnectors.
  • the front wall of the cover facing the user or viewer has viewing windows that allow the operating state (defective or in order) from the outside to recognize.
  • the safest construction of this type provides viewing windows, which so in the Lid front wall are used that access to any elements of the live Device from the outside without opening the lid.
  • NH fuse switch disconnectors that have test holes in the viewing window is movably guided between a closed position and a test position that the respective hole in the closed position of the disc from a cover or housing part is closed and open in the test position of the pane above the relevant one Device element is located, for example, over the contact blade of a fuse link.
  • the Viewing window can be moved from a closed position to a test position and back.
  • the user can use the test pen to test the relevant device element, for example the grip tab of a fuse link. Moving the sliding window one understands a translatory or rotary pushing or turning from one position into the other.
  • the object of the invention is therefore to design the NH fuse switch disconnector of the type mentioned at the beginning, that in addition to the lid, the sliding window against by a simple mechanism unwanted movements can be secured and / or locked.
  • a on the base part of the circuit breaker first sealing tab is attached, which is transverse to the longitudinal and transverse directions to the front (third Direction) protrudes through an opening on the front surface of the lid, and that at attached a second sealing tab to the sliding window and movable with the sliding window and can be brought into alignment with the first sealing tab.
  • both in certain sliding windows as well as those in a certain position Set the cover (closed) and secure and / or lock it by sealing so that neither the lid or the sliding window are moved in an undesirable manner.
  • the NH fuse switch of the type considered here can be done by the invention in the same way can be improved like an NH fuse block. Both devices are used for switching on or off of a consumer with these switches.
  • the swiveling out relative to the switch frame and back on this swiveling cover carries the fuse links with these switches, which, for example, are arranged next to each other in three, each one insert for one phase (R, S, T). There are therefore hanging parts on the lids for holding handle straps on the Fuse links provided.
  • the longitudinal direction of the fuse links is the connecting line of the two opposite ones Contact knife. While one in a switch disconnector the fuse links in the longitudinal direction Arranged one behind the other, a load break switch is used to illustrate the invention assumed that the fuse links in the transverse direction mentioned side by side are arranged.
  • the third direction mentioned is approximately perpendicular to both the longitudinal and also on the cross direction. It is assumed to explain the invention that a The observer looks almost vertically from the front onto the front wall of the lid while one is Fastening wall, for example a wall unit, is located behind it.
  • the base part mentioned in the explanation corresponds to the switch frame of a switch disconnector, including partitions, contact springs and a protective cover, in particular a contact cover.
  • a switch disconnector including partitions, contact springs and a protective cover, in particular a contact cover.
  • other parts can also be added to the base part be attached or arranged, but are particularly interested in the invention aforementioned parts and elements that are firmly anchored to the switch frame and on to which the first sealing tab is attached.
  • the front surface of the lid is, so to speak, the skin that you put on the front Cover. So the front surface is covered by the front wall of the lid is preferably frame-shaped and surrounds the sliding window, the sliding window itself and possibly formed the handle above. Through this front surface, the Stand out sealing tab so that it is accessible to the viewer and user and a Sealing and / or locking is possible.
  • first sealing tab on at least attached to a side wall of the switch frame and the opening in the front wall of the cover is arranged in the edge region of the sliding window.
  • the on the side wall of the switch frame attached first sealing tab extends forward in the third direction mentioned against the direction of view of the viewer.
  • the sealing tab protrudes through the front wall of the cover and can be fixed in this position by a seal so that without damaging the Sealing (of the sealing wire) the lid does not swing out of the switch frame as far can be that about the contact knife of a fuse link from the contact spring can be extracted.
  • a sealing wire through the eyelet or the sealing hole of the first sealing tab can be inserted, it protrudes up to the front surface the front cover.
  • the opening mentioned is arranged in the latter.
  • a locking pin, a padlock or the like through the eyelet or the sealing hole of at least one and preferably both Insert the sealing tabs.
  • this opening in the front cover at the edge of the relevant sliding window is arranged.
  • a single sealing tab of the first type because this makes the cover undesirable and undetected compared to the switch frame cannot be swung out.
  • the first sealing tab is on the with Switch frame fixedly attached protective cover.
  • the first sealing tab on at least one phase partition is attached and through which is configured as a longitudinal slot The opening in the sliding window protrudes forward.
  • the opening in the front wall of the lid faces the The outer edge of the sliding window is adjacent and from the side wall of the switch frame in the Distance is appropriate.
  • a distance between the side wall of the switch frame is sufficient and the opening of 1-15 mm, preferably 5-10 mm and particularly preferably 7 mm. In this way, little space is lost between the side walls of the switch frame, and there are enough wide edges to close a pleasantly large sliding window allow and to allow its guidance and coverage through the lid front wall.
  • first sealing tab is formed like a flat web or an essentially flat one Plate, then this is particularly preferably parallel to the plane of the side wall of the Switch frame arranged.
  • first sealing tab adjoins the outer edge of the sliding window, i.e. close to this is arranged.
  • distances of 0.5 - 3 mm, preferably 1 - 2 mm are sufficient for one to create a sufficiently large opening, but on the other hand, as little installation space as possible Transverse direction required.
  • the front, the viewer of the The switch frame's nearest end of the sealing tab is designed with the eyelet mentioned sealing hole. It is sufficient if after the measure according to the invention mentioned only the eyelet with the sealing hole from the opening in the front wall described above protrudes from the lid.
  • the second sealing tab on the sliding window the towards the viewer (in the third direction) also has an eyelet with a sealing hole at the front. If now the edge of the respective sealing hole is essentially flush with the mentioned front surface of the lid front wall or the sliding window, the user carry out the sealing, i.e.
  • test holes are covered for example, by device parts located in the lid behind its front wall.
  • the front cover wall can also be used in the area provide a depression in the opening. Then the first sealing tab protrudes over the front one Surface of the lid front wall so far that the sealing hole for performing a Sealing wire is exposed, however, the sealing tab can through the trough opposite front level of the lid front wall to be reset. For a better assembly you can If necessary, also remove the side wall of the lid to make protruding parts for To make tools accessible without closing the entire outer contour of the switch disconnector enlarge. You can arrange such disconnectors close to each other, without the Hinder assembly.
  • first sealing tab is integral with the Side wall of the switch frame is formed.
  • second sealing tab is in another preferred embodiment with the Sliding window can also be designed in one piece.
  • Switch frame and / or cover are in Many cases made of plastic, with parts being molded by injection molding. Such assembled devices are inexpensive to manufacture and meet the relevant technical requirements Regulations.
  • a lid and a Secure the sliding window on the base part, in particular on the switch frame or the cover, and / or seal and seal or fix by a simple mechanism so that a single Sealing wire, locking pin or a padlock by one in alignment Sealing holes are guided and secured.
  • a simple mechanism so that a single Sealing wire, locking pin or a padlock by one in alignment Sealing holes are guided and secured.
  • the fuse link is via a grip tab 2 in the hanging parts 4 on the cover 6 forming an insertion slot 3 attached.
  • the suspension parts 4 in the cover 6 are the suspension parts 4 in the cover 6.
  • the front cover 8 is through a front Sliding window 9 closed, in the top and bottom test holes 10 for the voltage test are provided.
  • fuse links 1 in the transverse direction 12 side by side. They are with their tabs (Figure 1) open cover 6 in the upper or lower insertion slot 3 between the hanging parts 4 hung.
  • the contact blades 14 and 14 ' can be seen in FIG. Put an imaginary one dash-dotted line 11 in the connecting line of the two contact blades 14, 14 ', then lies this line 11 in the longitudinal direction, which is the vertical in the embodiment shown here.
  • the grip tab 2 of the fuse link 1 is perpendicular to it in a known manner Horizontal representation of the embodiment shown here.
  • the switch frame 5 has phase partitions 18, which are between the fuse links not shown in Figure 4 up to near the Handle 7 extend.
  • Cover 6 can be rotated around pivot point 19 (FIG. 1) using the bearing guide 20 can be pivoted out into the open position, not shown in the drawings, by one pulls the handle 7 in FIG. 1 to the left and in FIG. 4 towards the viewer.
  • the switch frame 5 is via mounting holes 21 for mounting on a base plate Base plate not shown attached, for example on the plate of a cabinet.
  • FIG. 2a the upper part of the cover front wall is according to the detail Y shown in Figure 1.
  • "front” is on the left and “rear” on the right, because the viewer looks vertically at the paper plane of Figure 4 and thus in the figures 1 - 3 from left to right.
  • the left vertical is particularly interesting Edge 23 'as the boundary between the recess 22 and the lid front wall 8.
  • sliding window 9 is somewhat larger than recess 22 and has an edge 24 which runs around the sliding window 9 in a rectangular manner.
  • FIG. 1 One can see from the cross-sectional illustration of FIG. 1 how the sliding window 9 as a result of it larger configuration than the recess 22 covers the latter in both sliding positions.
  • the sliding position shown in FIG. 1 which corresponds to that in FIG through the test opening 10 to the contact knife 14 from left to right into the interior of the Cover and the switch frame 5 are inserted, for example, a voltage to consider.
  • the other position, not shown in FIG. 1, which corresponds to FIG. 2b the lower edge 24 of the sliding window 9 further down with the result that the lower test hole 10 disappears behind the lower part of the front wall 8 of the cover 6 and is covered by it.
  • the upper test hole 10 is also covered, so to speak, because it allows according to the representation of FIG.
  • FIG. 2b the penetration to the contact knife 14 in no case Rather, the position of FIG. 2b is a connecting web 25 behind the test hole 10, which is part of an L-shaped guide bracket 26, on its horizontal Connecting bar 25 a bar 27 to form the guide bracket 26 stands vertically.
  • the suspension parts 4 are attached above it.
  • a first sealing tab 29 is formed.
  • a sealing hole 31 specifies.
  • This sealing hole 31 borders on the front surface of the Cover front wall 8, as can be seen in the side view of Figure 3, namely with the help of a Trough or trough-like recess 32.
  • the Edge of the sealing hole 31 flush and adjacent to the surface of the sliding window 9, which is equivalent to the lid front wall 8 in the area of the window.
  • the Front wall 8 of the cover 6 has an opening 33.
  • the opening 33 is located in the region of the edge 24 of the sliding window 9. More specifically, borders the opening 33, viewed in the direction of view (third direction 13), to the outer edge 24 of the Sliding window 9 on.
  • the left vertical edge of the recess shown in Figures 4 and 5 22 is withdrawn in steps towards the side wall 15 in order to U-shaped the opening 33 to form in the front cover 8.
  • the U is open. On this open side, the opening 33 is through the vertical left Edge 24 of the sliding window 9 limited.
  • the opening 33 is rectangular and dimensioned so that the first sealing tab 29 can be inserted; when plugged in so in the opening 33 has just space. In other words, the length of the rectangular opening 33 somewhat longer than the width of the first sealing tab 29 in the area next to the sealing hole 31.
  • FIGS. 1-3 also show a second sealing tab 34 with a sealing hole 35.
  • Both sealing holes 31 and 35 are located in the position of the sliding window 9 in FIG. 2b Aligned to one another, which is why the circle shown there with both reference numbers 31 and 35 is designated. This is the protection or operating state in which the position of the test holes 10 no contact with live parts, such as contact blades 14, 14 ', allow. If a sealing wire is passed through the sealing holes 31, 35 according to FIG. 2b, then both the lid in its closed position and the sliding window 9 in secured its protective layer and is sealable.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Fuses (AREA)
EP97102388A 1996-04-20 1997-02-14 Einrichtung zum Sichern eines Deckels an einem Schaltergestell Expired - Lifetime EP0802554B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730281T SI0802554T1 (en) 1996-04-20 1997-02-14 Device for locking a cover to a switch framework

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19615859A DE19615859B4 (de) 1996-04-20 1996-04-20 Einrichtung zum Sichern eines Deckels an einem Schaltergestell
DE19615859 1996-04-20

Publications (3)

Publication Number Publication Date
EP0802554A2 EP0802554A2 (de) 1997-10-22
EP0802554A3 EP0802554A3 (de) 1998-01-28
EP0802554B1 true EP0802554B1 (de) 2001-11-14

Family

ID=7791996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97102388A Expired - Lifetime EP0802554B1 (de) 1996-04-20 1997-02-14 Einrichtung zum Sichern eines Deckels an einem Schaltergestell

Country Status (5)

Country Link
EP (1) EP0802554B1 (pl)
AT (1) ATE208957T1 (pl)
DE (2) DE19615859B4 (pl)
PL (1) PL182448B1 (pl)
SI (1) SI0802554T1 (pl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715264B4 (de) * 1997-04-12 2006-06-29 Efen Gmbh Einrichtung zum Plombieren und Verriegeln des Deckels eines Sicherungsschaltgerätes
DE102005017672A1 (de) * 2005-04-11 2006-10-12 Siemens Ag Sicherungslasttrennschalter
PL1775745T3 (pl) * 2005-10-11 2009-10-30 Pronutec Sa Oprawka bezpiecznikowa z zewnętrznym zwalnianiem bezpiecznika
DE102012223656B3 (de) 2012-12-18 2014-04-03 Wöhner GmbH & Co. KG Elektrotechnische Systeme Mehrpoliges Schaltgerät
EP2790202B1 (de) * 2013-04-12 2015-07-01 Jean Müller GmbH Elektrotechnische Fabrik Niederspannungs-Hochleistungs-Sicherungsschaltgerät
PL405313A1 (pl) * 2013-09-11 2015-03-16 APATOR Spółka Akcyjna Rozłącznik, zwłaszcza rozłącznik izolacyjny bezpiecznikowy z dostępem do zacisku poprzez pokrywę

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136396B (de) * 1958-03-01 1962-09-13 Geyer Fa Christian Anschlusskasten aus Isolierstoff, insbesondere Kabel-Hausanschlusskasten
DE3639669C2 (de) * 1986-11-20 1993-12-23 Efen Elektrotech Fab Niederspannungs-Hochleistungs- Sicherungsschaltgerät mit Fensteranordnung

Also Published As

Publication number Publication date
DE59705325D1 (de) 2001-12-20
EP0802554A2 (de) 1997-10-22
DE19615859A1 (de) 1997-10-23
PL319550A1 (en) 1997-10-27
DE19615859B4 (de) 2005-05-25
SI0802554T1 (en) 2002-06-30
ATE208957T1 (de) 2001-11-15
EP0802554A3 (de) 1998-01-28
PL182448B1 (pl) 2002-01-31

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