EP2860746B1 - Agencement de deux couvercles de sectionneurs - Google Patents

Agencement de deux couvercles de sectionneurs Download PDF

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Publication number
EP2860746B1
EP2860746B1 EP13187998.3A EP13187998A EP2860746B1 EP 2860746 B1 EP2860746 B1 EP 2860746B1 EP 13187998 A EP13187998 A EP 13187998A EP 2860746 B1 EP2860746 B1 EP 2860746B1
Authority
EP
European Patent Office
Prior art keywords
covers
arrangement according
wall sections
cover
lid
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.)
Active
Application number
EP13187998.3A
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German (de)
English (en)
Other versions
EP2860746A1 (fr
Inventor
Lutz Horbach
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
Original Assignee
Jean Mueller 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 Jean Mueller Elektrotechnische Fabrik GmbH filed Critical Jean Mueller Elektrotechnische Fabrik GmbH
Priority to EP13187998.3A priority Critical patent/EP2860746B1/fr
Publication of EP2860746A1 publication Critical patent/EP2860746A1/fr
Application granted granted Critical
Publication of EP2860746B1 publication Critical patent/EP2860746B1/fr
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Classifications

    • 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
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/04—Interlocking mechanisms
    • H01H31/10—Interlocking mechanisms for interlocking two or more switches
    • 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
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/545—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with pivoting fuse carrier

Definitions

  • the invention relates to an arrangement of two covers of circuit breakers, in particular of circuit breakers and / or fuse switch disconnectors, wherein the respective circuit breaker comprises a housing and a pivotally mounted in the housing lid for receiving at least one insert in the lid, wherein with the lid closed contacts of the insert and this associated mating contacts are closed and open with the lid open, wherein the lids are arranged side by side, the pivot axes of the lid are identical and the lid are firmly connected to each other, wherein the respective cover has a handle for actuating the cover in the region of the end remote from the pivot axis, wherein the handles are arranged at the same distance from the pivot axis of the cover.
  • inserts In disconnectors differently shaped inserts can be used, in particular inserts that are designed as a separating blade or fuse link. When switching under load, it is sufficient to use a separating knife. If, in addition, the respective phase is to be protected and switched under load, fuse-switch-disconnectors and thus fuse-links are used.
  • Fuse switch disconnectors are well known in the art. They have a housing and a pivotally mounted in the housing lid.
  • the lid serves to accommodate at least one fuse link. When the lid is closed contacts of the fuse link and this associated mating contacts are closed and with the lid open, the contacts of the fuse link and the associated mating contacts are open.
  • the mating contacts are mounted in the housing.
  • the respective mating contact is assigned in particular a busbar or a terminal.
  • fuse switch disconnectors are usually designed for three-pole switching, thus taking on three fuse links, in particular NH fuse-links.
  • the fuse switch disconnectors and thus the lid are arranged side by side. By pivoting the lid of the fuse switch disconnectors, the fuse switch disconnectors can be switched independently.
  • a three-pole fuse switch is for example in the EP 1 251 538 A2 and the DE 10 2006 049 812 A1 described.
  • disconnectors in particular switch disconnector with disconnector or fuse switch disconnector fuse with known, which serve the single-pole switching.
  • a U-shaped connecting element For connecting the two covers, also in the region of their handles, a U-shaped connecting element is provided which has a U-shaped cross-section and, the handles cross-over, is inserted on this.
  • the length of the connecting element corresponds substantially to the total length of the two handles.
  • the handles are connected via plate-shaped spacers with a cover housing.
  • the connecting element has two adjacent notches, wherein adjacent spacer elements of the lid engage with mounted connecting element in the indentations, so that also in the region of the connecting element, the spacer elements and thus the lid are positioned spaced. - This arrangement of the two lids is structurally complicated and it takes a considerable effort to connect the two lids.
  • the one lid serves to accommodate three fuse links and the other cover of the recording of a cutting knife.
  • the two covers by means of a spacer plate arranged between these, which has projections on both sides, which engage in recesses of the adjacent wall sections of the lid, whereby a positive connection between the lids is ensured during pivoting.
  • This spacer plate also has locking pins on both sides, which are plugged in mounted lids in holes adjacent wall sections of the lid and engage behind this latching.
  • the spacer plate extends substantially over the entire length of the lid between the pivot axis and the handle.
  • This arrangement is designed structurally complicated because of the separately provided spacer plate and requires a relatively high installation effort for firm connection of the two lids. Apart from this, the material cost for producing the spacer plate is quite large, because this extends over the entire length of the respective lid.
  • Object of the present invention is to develop an arrangement of the type mentioned so that these structurally simple design and ease of installation forces that are effective between the two covers, in particular the two handles when switching the two fuse switch disconnectors can transfer.
  • the handles on the facing sides have recordings, with a pin is inserted into the recordings, perpendicular to the longitudinal axis of the pin, kept free of play, the respective recording as a blind hole in the handle is formed, wherein the blind hole is arranged parallel to the pivot axis of the lid.
  • the pen has the task to transmit forces that are effective between the two covers, in particular the two handles when switching the two circuit breakers.
  • a relative displacement of the lid is prevented or substantially minimized about the pivot axis. This ensures that the two lids, when introducing a different force in the lid for pivoting the lid, can not move relative to each other.
  • one circuit breaker is three-pole and the other disconnector is unipolar.
  • the cover unit formed from the two lids thus a four-pole switching the arrangement of the two circuit breakers is possible.
  • the field of application of the present invention is, for example, the protection of three phases R, S, T by means of a three-pole fuse switch-disconnector and the additional protection of a neutral conductor by means of a further, thus single-phase switch-disconnector. It is also possible to combine two single-phase switch-disconnectors or two three-phase switch-disconnectors, in particular two three-phase fuse switch disconnectors.
  • any circuit breaker in particular the same size, are coupled together in the sense of the invention.
  • the inserts of the arrangement at the same distance from the pivot axis of the lid, arranged side by side. Consequently, the inserts together with the lids forming the lid assembly move synchronously when the lids are pivoted.
  • the lid can be firmly connected to each other when the lid on the facing sides wall sections, in the area of which the lid are firmly connected.
  • the formation of the lid, with the wall sections in the mutually facing sides of the lid, also allows a fairly close arrangement of the lid to each other and an advantageous design of the lid in the connecting region.
  • the wall sections are arranged parallel to each other and perpendicular to the pivot axis of the lid.
  • a particularly firm connection of the two covers is ensured if the wall sections are firmly connected to each other in several areas, in particular in two areas. This results in a stable connection of the two lids, which in particular can absorb forces that are transmitted upon actuation of only one lid of the lid assembly between the wall portions of the lid.
  • a particularly uniform distribution of the forces acting between the two covers, in particular when the actuating force is introduced only via a cover in the cover assembly, results when the wall sections in a first region which is adjacent to the pivot axis of the lid, and in a second region, which is arranged in the region of an end facing away from the pivot axis of the wall sections, are fixedly connected to each other.
  • Structurally particularly simple can be accomplished the connection of the two covers or the respective wall portions of the lid when the respective wall portion has at least one through hole, wherein through holes of the wall sections are aligned, and a connecting element passes through these through holes.
  • each connecting element that passes through the associated through hole is suitable for connecting the wall sections of the housings together.
  • the connecting element is designed as a latching element.
  • a latching connection can be achieved when a part of the locking element is inserted from one side through the mutually aligned through holes of the two juxtaposed wall portions of the housing and the other part of the locking element is plugged into the inserted end of the first-mentioned part of the Rastelelements to like that Locking connection of the two parts of the locking element to form the locking element to achieve.
  • the locking element in its mounting position biases the two wall sections against each other and thus firmly connects the two covers together.
  • the locking element consists of plastic.
  • the connecting element passes through an arranged between the wall sections disc.
  • This disc ensures the arrangement of the lid and thus the wall sections of the lid at a defined distance from each other.
  • the disc is designed in particular as centering. This engages centering in at least one of the wall sections. As a result of this radial arrangement of the centering disk with respect to the wall sections, a positive connection between the centering disk and the at least one wall section is ensured, so that the assembly of the arrangement is simplified.
  • the disc is in particular annular. In particular, it has the function of a spacer.
  • the advantages is that the handles constitute a functional unit, whereby one handle is arranged adjacent to the other handle, so that one operator randomly grips the one handle or the other Handle or with one hand both handles can be used to operate the lid.
  • the lid of the circuit breaker perform both handles the same pivotal movement with respect to the pivot axis of the lid.
  • the pen is primarily the task to prevent a relative pivoting movement of the two lids when pivoting the lid about its pivot axis.
  • the depth of the mutually corresponding blind holes of the lid is adjusted with respect to the axial extent of the pin, such that an axially largely non-displaceable mounting of the pin is ensured in the lids.
  • the pin which is inserted in the receptacles is, in particular, a cylindrical pin. This cylinder pin is thus a very simple, inexpensive component.
  • the pin is made of metal in particular.
  • metal or plastic is considered as the preferred material for the connecting element or the pin.
  • the invention finds application in an arrangement of two juxtaposed disconnect switch, one of the circuit breaker is designed as a fuse switch disconnectors and the recording serves three fuse links, while the other disconnector is designed as a circuit breaker and serves to receive a trained as a separating knife insert.
  • the fuse switch-disconnector is thus designed with three poles. It has a housing and a pivotally mounted in this lid 7. The cover is used to hold the three fuse links, which are designed as low-voltage high-performance fuse links (NH fuse links).
  • NH fuse links low-voltage high-performance fuse links
  • the other switch-disconnector is arranged, which is designed as a single-pole device.
  • This circuit breaker has a housing and a pivotally mounted in the housing cover 9. Because of the unipolarity of the lid 9 serves to accommodate the single cutting knife.
  • 9 contacts this disconnector and associated mating contacts, which are mounted in the housing of the unipolar switch-disconnector are closed with the lid closed and with the lid open 9, these contacts are open.
  • the circuit breakers are designed to be substantially identical, substantially to the difference that one fuse switch disconnector for the three phases has the components for the three phases or three fuse links, therefore about three times as wide as the other circuit breaker for the neutral conductor with the cutter ,
  • the lid 7 has three identically designed receptacles 14 for receiving and holding three non-illustrated NH fuse-links. Accordingly, the lid 9 is provided with a receptacle 14 for a cutting knife. All inserts are arranged at the same distance from the pivot axis 13 of the cover 7, 9.
  • the respective cover 7 or 9 has in the region of its end remote from the pivot axis 13 a handle 15, 16 for actuating the Cover 7, 9 on.
  • the handles 15, 16 are arranged at the same distance from the pivot axis 13 of the cover 7, 9.
  • the respective handle is cylindrical and the ends of the respective handle 15 and 16 are connected via parallel arranged and perpendicular to the handle axis positioned plate-shaped spacers 27 with a cover housing 28 that the receptacles 14 has.
  • the lid 7 and the lid 9 are formed as a plastic injection molded part.
  • the cover 7 or the cover 9 in each case has two outer, parallel wall sections 17. These are arranged perpendicular to the pivot axis 13. In the area of the two immediately adjacent wall sections 17 of cover 7 and cover 9, cover 7 and cover 9 are firmly connected to one another.
  • This fixed connection takes place in two areas, namely in a first area 18, which is arranged adjacent to the pivot axis 13 of the covers 7, 9, and in a second area 19, which is arranged in the region of an end of these two wall sections 17 facing away from the pivot axis 13 ,
  • the respective wall section 17 of cover 7 or cover 9 has a through hole 20, furthermore the wall section 17 of the cover 7 on the side facing the other cover 9 has a cylindrically recessed region 21 concentric with the through hole 20.
  • the through holes 20 of the two wall sections 17 in the first region 18 on the one hand and in the second region 19 on the other hand, are aligned with each other, so that through these two, each aligned through holes 20, a connecting element 22 can be penetrated.
  • connecting element 22 is formed as a latching element, specifically as a latching rivet, as sold by the company tb electro sales GmbH, Robert-Bosch-Strckee 16, D-64823 Gross-Umstadt.
  • a latching rivet is made of plastic and has two molded parts which are inserted from opposite sides through the corresponding through holes 20 and snap.
  • annular disc 23 is arranged, which passes through the connecting element 22, wherein the annular disc 23 engages centering in the recessed area 21.
  • the two molded parts, which are connected to each other, are identical.
  • the molding is in the FIGS. 11 and 12 illustrated.
  • the molded part 29 has a plate portion 30 and two perpendicular to this arranged in cross section circular sector-shaped pins 31, which are provided in the region of their flat pin surfaces with locking projections 32.
  • the respective pin 31 extends approximately over a quarter circle, wherein between the two pins 31 here in each case a quarter circle remains free.
  • the two mold parts 29 By arranging two pins 31 with the locking projections 32 facing each other in a twisted arrangement of the two mold parts 29 by a quarter circle, the two mold parts 29 can be put together, the two pins 31 of a molding 29 in the free space between the two pins 31 of reach other molding 29 and snap over the locking projections 32 of the pins 31, the two mold parts 29.
  • the fixed connection of the covers 7, 9 in the area of these wall sections 17 thus takes place.
  • the handles 15, 16 are provided on the mutually facing sides with receptacles 24 which are formed as a blind hole.
  • the mutually facing receptacles 24 of the lid 7 and cover 9 have the same axis 25 which is parallel to the pivot axis 13 is.
  • the length of the pin 26 is dimensioned so that it is slightly shorter than the distance between the bottoms of the blind holes in interconnected lids 7 and 9, from each other.
  • the pin 26 ensures a rigid connection of the cover 7, 9 in the region of the handles 15, 16. Thus, even when only one lid, in particular the small lid 9, a switching force when pivoting the arrangement of the two covers 7, 9 are generated safely , both when switching on and when switching off the circuit breaker.
  • the axis 25 preferably coincides with the longitudinal axis of the respective handle 15, 16.
  • the one fuse switch-disconnector is used in particular to hedge the electrical phases R, S, T, the other disconnector 3 of the additional protection of a neutral.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)

Claims (14)

  1. Arrangement (1) de deux couvercles (7, 9) de sectionneurs, notamment de sectionneurs de charge et/ou de sectionneurs de charge à fusible, le sectionneur correspondant possédant un boîtier et un couvercle (7, 9) monté pivotant dans le boîtier, en vue d'accueillir au moins un insert dans le couvercle (7, 9), des contacts de l'insert et les contacts homologues associés à celui-ci étant fermés lorsque le couvercle (7, 9) est fermé et ouverts lorsque le couvercle est ouvert (7, 9), les couvercles (7, 9) étant disposés l'un à côté de l'autre, les axes de pivotement (13) des couvercles (7, 9) étant identiques et les couvercles (7, 9) étant reliés à demeure l'un à l'autre, le couvercle (7, 9) correspondant possédant dans la zone de son extrémité à l'opposé de l'axe de pivotement (13) une poignée (15, 16) servant à actionner le couvercle (7, 9), les poignées (15, 16) étant disposées à la même distance par rapport à l'axe de pivotement (13) des couvercles (7, 9), les poignées (15, 16) possédant sur les côtés se faisant mutuellement face des logements (24),
    caractérisé en ce qu'une broche (26) est insérée dans les logements (24) en étant maintenue sans jeu, perpendiculairement à l'axe longitudinal de la broche (26), le logement (24) respectif étant réalisé sous la forme d'un trou borgne dans la poignée (15, 16), l'axe longitudinal du logement (24) étant disposé parallèlement à l'axe de pivotement (13) du couvercle (7, 9).
  2. Arrangement selon la revendication 1, caractérisé en ce que la broche (26) est réalisée sous la forme d'une broche cylindrique (26).
  3. Arrangement selon la revendication 1 ou 2, caractérisé en ce que l'élément de liaison (22) ou la broche (26) est constitué(e) de matière plastique ou de métal.
  4. Arrangement selon l'une des revendications 1 à 3, caractérisé en ce que la poignée (15, 16) correspondante est réalisée de forme cylindrique.
  5. Arrangement selon l'une des revendications 1 à 4, caractérisé en ce que l'un des sectionneurs est un sectionneur de charge à fusible tripolaire et l'autre sectionneur est un sectionneur de charge unipolaire pour un conducteur de neutre.
  6. Arrangement selon l'une des revendications 1 à 5, caractérisé en ce que les inserts de l'arrangement (1) sont disposés l'un à côté de l'autre à la même distance par rapport à l'axe de pivotement (13) des couvercles (7, 9).
  7. Arrangement selon l'une des revendications 1 à 6, caractérisé en ce que les couvercles (7, 9) possèdent sur les côtés qui se font mutuellement face des portions de paroi (17) dans la zone desquelles les couvercles (7, 9) sont reliés à demeure l'un avec l'autre.
  8. Arrangement selon la revendication 7, caractérisé en ce que les portions de paroi (17) sont disposées parallèlement l'une à l'autre et perpendiculairement à l'axe de pivotement (13) des couvercles (7, 9).
  9. Arrangement selon la revendication 7 ou 8, caractérisé en ce que les portions de paroi (17) sont reliées à demeure l'une à l'autre dans plusieurs zones, notamment dans deux zones (18, 19).
  10. Arrangement selon la revendication 9, caractérisé en ce que les portions de paroi (17) sont reliées à demeure l'une à l'autre dans une première zone (18), laquelle est disposée de façon adjacente à l'axe de pivotement (13) des couvercles (7, 9), et dans une deuxième zone (19), laquelle est disposée dans une zone d'une extrémité des portions de paroi (17) à l'opposé de l'axe de pivotement (13).
  11. Arrangement selon l'une des revendications 1 à 10, caractérisé en ce que la portion de paroi (17) correspondante possède au moins un trou de passage (20), les trous de passage (20) des portions de paroi (17) étant mutuellement alignés et un élément de liaison (22) traversant ces trous de passage (20).
  12. Arrangement selon la revendication 11, caractérisé en ce que l'élément de liaison (22) est réalisé sous la forme d'un élément d'encliquetage, notamment sous la forme d'un rivet d'encliquetage.
  13. Arrangement selon la revendication 11 ou 12, l'élément de liaison (22) traversant une rondelle d'espacement (23) disposée entre les portions de paroi (17) et prenant appui sur les portions de paroi (17), notamment une rondelle d'espacement (23) de forme annulaire.
  14. Arrangement selon la revendication 13, caractérisé en ce que la rondelle d'espacement (23) est une rondelle de centrage qui vient en prise de manière centrée dans au moins l'une des portions de paroi (17).
EP13187998.3A 2013-10-10 2013-10-10 Agencement de deux couvercles de sectionneurs Active EP2860746B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13187998.3A EP2860746B1 (fr) 2013-10-10 2013-10-10 Agencement de deux couvercles de sectionneurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13187998.3A EP2860746B1 (fr) 2013-10-10 2013-10-10 Agencement de deux couvercles de sectionneurs

Publications (2)

Publication Number Publication Date
EP2860746A1 EP2860746A1 (fr) 2015-04-15
EP2860746B1 true EP2860746B1 (fr) 2017-02-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13187998.3A Active EP2860746B1 (fr) 2013-10-10 2013-10-10 Agencement de deux couvercles de sectionneurs

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EP (1) EP2860746B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE329363T1 (de) 2001-04-20 2006-06-15 Mueller Jean Ohg Elektrotech Schmaler dreipoliger sicherungslasttrennschalter
DE60134322D1 (de) * 2001-04-30 2008-07-17 Pronutec Sa Verbesserungen an sicherungschalter-grundkörpern
DE102006049812A1 (de) * 2006-10-17 2008-04-24 Siemens Ag Sicherungslasttrennschalter und Verriegelungseinrichtung für einen Sicherungslasttrennschalter

Non-Patent Citations (1)

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

Also Published As

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