WO2009033867A1 - Interrupteur-sectionneur - Google Patents

Interrupteur-sectionneur Download PDF

Info

Publication number
WO2009033867A1
WO2009033867A1 PCT/EP2008/059627 EP2008059627W WO2009033867A1 WO 2009033867 A1 WO2009033867 A1 WO 2009033867A1 EP 2008059627 W EP2008059627 W EP 2008059627W WO 2009033867 A1 WO2009033867 A1 WO 2009033867A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
cover
housing
contact
contacts
Prior art date
Application number
PCT/EP2008/059627
Other languages
German (de)
English (en)
Inventor
Alex Büttner
Andreas Hetenyi
Original Assignee
Wöhner GmbH & Co. KG Elektrotechnische Systeme
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 Wöhner GmbH & Co. KG Elektrotechnische Systeme filed Critical Wöhner GmbH & Co. KG Elektrotechnische Systeme
Priority to ES08775297.8T priority Critical patent/ES2466673T3/es
Priority to EP08775297.8A priority patent/EP2198439B1/fr
Publication of WO2009033867A1 publication Critical patent/WO2009033867A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and 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
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/16—Adaptation for built-in fuse
    • 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 a switch-disconnector, in particular for mounting on busbars.
  • switch disconnectors an actuatable by a rotary lever snap-action mechanism is used, which allows operator-independent fast closing or opening of the associated contacts.
  • the snap-action mechanism is provided here between the poles or outside the poles. Access to the fuse elements is possible in such a switch-disconnector only in that a cover is removed after releasing a closure attaching the cover.
  • On the side facing away from the rotary switch are slide-in contacts.
  • Such a load-break switch can not be mounted directly on terminal busbars and is designed as a three-pole plug-in load-break switch for receiving three NH fuse-links.
  • the switch-disconnector can be plugged in conjunction with corresponding strip guides on an upright field distribution busbar system.
  • the invention has for its object to provide a load-break switch, which is operable in a simple and secure manner and can be plugged onto busbar systems.
  • the load-break switch is provided with a housing in which fuse elements and a snap-action mechanism are housed, and with connection contacts for contacting current busbars, a connection unit with input and output contacts, each pole has a pair of contacts, wherein the Terminal unit is arranged below an adjustable switching carriage, wherein the switching carriage has pairs of contacts to contact the terminal unit and located above the switching carriage receiving contact device in the on state, wherein the receiving contact means contact pairs for the fuse elements has, in which the securing elements are arranged on a relative to the housing pivotally mounted lid and with an actuating lever for switching on and off of the operating state and for opening the fuse elements carrying the lid.
  • the load-break switch according to the invention has a housing in which fuse elements and a snap-action mechanism are housed. Connection elements make contact with the busbars.
  • the switch-disconnector according to the invention has, in particular, a connection unit with input and output contacts, via which an adjustable switching slide is arranged, by means of which a double interruption with respect to the current conduction via the securing elements is ensured. This ensures that in the off state of the switch-disconnector fuse elements are de-energized and can be replaced without danger.
  • About the switching slide is a receiving contact means for contacting by the fuse elements.
  • the fuse elements are arranged in the switch-disconnector switch according to the invention on a cover pivotable relative to the housing and can be displaced together with the cover into or out of engagement with the associated contacts in the housing.
  • the cover is pivotable by means of an actuating handle as soon as the switch-disconnector is brought into the off state by this actuating lever, wherein the actuating lever can be decoupled from a control shaft which is provided for controlling the snap-action mechanism.
  • the switch-disconnector according to the invention is advantageously characterized in that the individual units are provided substantially one above the other, whereby the load breaker receives an extremely compact shape and that the fuse elements are made accessible in the off state of the circuit breaker in a simple manner by opening the lid, while their counter-contact elements are separated.
  • the load-break switch according to the invention will be described below with reference to the drawing to explain further features. Show it:
  • FIG. 1 is a perspective view of the circuit breaker according to the invention with the lid open
  • FIG. 3 is a side view corresponding to FIG. 2 of the circuit breaker
  • Fig. 5 is a Fig. 4 corresponding perspective view of the circuit breaker
  • Fig. 6 shows a detailed representation with lid and securing elements.
  • Fig. 1 is a perspective view of the circuit breaker according to the invention.
  • the switch-disconnector has a housing 1 which contains the individual units forming the switch-disconnector.
  • On the housing 1 is pivotally mounted a cover 2 on which individual securing elements are arranged detachably parallel to each other, wherein the securing elements are designated 3, 4, 5.
  • the securing elements 3, 4, 5 are arranged parallel and side by side on the underside of the lid 2 and can be pivoted together with the cover 2 during the opening of the lid 2 in the position shown in Fig. 1.
  • an actuating lever 7 is provided, which is pivotable in the open position of the circuit breaker together with the cover 2 about a pivot axis, not shown, and thereby serves to perform the pivotal movement of the lid 2.
  • the lid 2 together with the lever 7 in the in Fig. 1 ge showed position the fuse elements 3, 4, 5 are out of engagement with the associated, located in the housing 1 contacts.
  • an unlocking device 8 is preferably provided on the front surface of the housing 1, which serves over Fig. 1 not further recognizable controls to unlock the lid 2, as soon as the operating lever 2 is displaced to a position in which Switch-disconnector is in the off position and thus releases the lid 2 for performing the pivoting movement in the position shown in Fig. 1.
  • Fig. 2 From the exploded view of Fig. 2 it can be seen that within the housing 1, a plurality of units is arranged, these units lying substantially one above the other form the load-break switch.
  • the cover 2 is shown in Fig. 2 in the closed position, in which the securing elements 3, 4, 5 with firmly arranged in the housing 1 mating contact pairs 10a, 10b, IIa, IIb, 12a, 12b are engaged.
  • the contact elements 10a, 10b, IIa, IIb and 12a, 12b are contacted on their underside by contact pairs 14a, 14b, 15a, 15b, 16a, 16b, which are fixedly mounted on a switching carriage 18, by means of a snap-action mechanism 19 between two different positions can be adjusted.
  • the snap-action mechanism 19 is activated by a control shaft 20, which in turn is in engagement with the actuating lever 7.
  • the control shaft 20 fixed to this attached lateral lugs 22, 23, on which the lever 7 with its legs 7a, 7b can be plugged.
  • the actuating lever 7 relative to the control shaft 20 for actuating the same can be engaged with this or decoupled in the off state of the circuit breaker against the control shaft 20 to act as an actuator for pivoting the lid 2.
  • connection unit 20 with access contacts 23a to 23c and outgoing contacts 24a, 24b, 24c.
  • these input and output contacts of the switch-disconnector can also be reversed, depending on the purpose and design with respect to the Stromarnrnelschienensystem.
  • the Connection unit 22 by means of an adapter, not shown in Fig. 2 are placed on the current busbar system.
  • the contacts 10a, 10b, IIa, IIb and 12a, 12b form a receiving contact means 26 and are fixedly provided in a corresponding plate-shaped unit and laterally against each other by not shown or not further designated partitions isolated, as is known per se.
  • the switch-disconnector thus consists of a lid 2 pivotally mounted on the housing 1, under which the securing elements 3, 4, 5 are arranged, the receiving contact device 26, which contains the contact pairs 10a, 10b, etc., in which the contacts of the fuse elements 3, 4, 5 are inserted, the switching carriage 18 with contact pairs 14a, 14b, 15a, 15b, 16a, 16b and the connection unit 22 with the access and outgoing contacts 23 a to 24c.
  • the connection unit 22 is further provided with conductor tracks, which is interrupted between the respective access and outgoing contact and in the region of the strip conductor interruption in each case a contact pair 28a, 28b. For each pole, such a pair of contacts is provided and serves to be contacted by the contact pairs 14a, 14b, etc.
  • the shift carriage 18 is moved independently of the operator, such that the contact pairs 14a, 14b or 15a, 15b and 16a, 16b move into or out of contact with the mating contacts located above and below.
  • the switch-disconnector is de-energized.
  • the lever 7 takes the in Fig. 1 ge showed position and can be compared to the control shaft 20 and the approaches provided there 22, 23 decouple, so that after actuation of the unlocking device 18, the cover 2 together with the operating lever 7 and the securing elements 3, 4, 5 in the in Fig. 1 shown position can be pivoted.
  • Fig. 3 shows a side view corresponding to Fig. 2 and illustrates the assignment of the individual contacts, in Fig. 3, only the recognizable from the side view contacts and the fuse element 3 are shown and numbered.
  • FIG. 4 shows a side view of the switch-disconnector with lid 2. From FIG. 4 it can be seen that the fuse elements 3, 4, 5 are out of engagement with the associated receptacle contacts 10a, 10b in the open state of the lid 2.
  • Fig. 5 is a perspective view corresponding to Fig. 4 and illustrates the arrangement of the receiving contacts 10a, 10b, IIa, IIb, 12a, 12b for the fuse elements 3, 4, 5. Furthermore, it can be seen from Fig. 5 that in the lid 2 in the middle and above the securing elements 3, 4, 5, an opening 34 for receiving a window 36 is formed, through which the securing elements 3, 4, 5 can be seen in the operating state of the circuit breaker.
  • Fig. 6 illustrates a partially sectioned view of lids and S insurance elements.
  • the lid 2 is pivotable about a pivot axis which is perpendicular to the housing axis of the load-break switch.
  • the actuating lever 7 is pivotable together with the cover 2 about the same pivot axis and serves as a handle for pivoting the lid 2.
  • the actuating lever 7 In the ON state, in which the lid 2 is closed and locked by a locking device not shown relative to the housing, can be the actuating lever 7 pivot about a further pivot axis which is parallel to the pivot axis of Cover 2 is opposite this but is offset.
  • the switching carriage 18 By operating the operating lever 7, which activates the snap-action mechanism, the switching carriage 18 is operated independently in a position in which the current path from the input terminals 23a, 23b, 23c via the fuse elements 3, 4, 5 made to the outgoing contacts 24a, 24b, 24c is.
  • Operator-independent means that the contacting or Stromwegher too or the opening of the contacts or Stromwegunterbrechung done by means of the snap-action mechanism and is independent of the type of operation of the lever 7 by the operator.
  • the operating lever 7 can be pivoted between two operating positions as long as the lid (2) assumes its closed position according to FIGS. 2 and 3.
  • the operating lever 7 is in a substantially vertical position shown in FIG. 2, when the switch-disconnector is in the off mode, while the operating lever 7 from the position shown in Fig. 2 about its pivot axis in a counterclockwise direction Switching position can be brought.
  • the snap-action mechanism is switched via the control shaft 20.
  • FIG. 6 shows the construction of the arm sections 7a, 7b in such a way that at the bottom of each arm or arm section 7a, 7b a recess 42 is formed which is suitable for receiving the lugs resp Protrusions 22, 23 are formed in such a way that the actuating lever 7 is fixedly coupled to the control shaft 20 by being placed on the lugs 22, 23.
  • a locking device is provided, which is designated 44 and is designed in the form of a bolt which engages in an opening 46 of each end portion of the legs 7 a, 7 b, as soon as the unlocking device 8 is actuated and thereby ensuring that the Actuating lever 7 is locked to the lid 2.
  • the operating lever 7 can then be lifted off the control shaft 20 and be displaced together with the cover 2 by a pivoting movement about the pivot axis of the lid 2.
  • a receiving device in the form of slots or the like is further provided on the underside of the lid, in which anchoring elements 48, 49 are inserted, which are formed on the securing elements 3, 4, 5.
  • anchoring elements 48, 49 are inserted, which are formed on the securing elements 3, 4, 5.
  • Such a fastening method is known per se and allows the individual securing elements 3, 4, 5 can be firmly attached or arranged on the underside of the lid 2.
  • the contacts of the fuse elements 3 are designated.
  • Corresponding contacts have the securing elements 4, 5.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)

Abstract

L'invention concerne un interrupteur-sectionneur qui comprend un boîtier dans lequel sont logés des éléments fusibles et un dispositif interrupteur à rupture brusque, des contacts de connexion pour la mise en contact de barres collectrices de courant, ainsi qu'une unité de connexion munie de contacts d'entrée et de sortie, présentant respectivement une paire de contacts par pôle et placée en dessous d'un coulisseau de commutation déplaçable. Le coulisseau de commutation présente des paires de contacts permettant la mise en contact à l'état en circuit de l'unité de connexion et d'un dispositif à contacts récepteurs situé au-dessus du coulisseau de commutation. Le dispositif à contacts récepteurs présente des paires de contacts pour les éléments fusibles placés sur un couvercle monté à pivotement par rapport au boîtier. L'interrupteur-sectionneur selon l'invention comprend également un levier d'actionnement pour la mise en et hors circuit, ainsi que pour l'ouverture du couvercle portant les éléments fusibles.
PCT/EP2008/059627 2007-09-11 2008-07-23 Interrupteur-sectionneur WO2009033867A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES08775297.8T ES2466673T3 (es) 2007-09-11 2008-07-23 Seccionador en carga
EP08775297.8A EP2198439B1 (fr) 2007-09-11 2008-07-23 Interrupteur-sectionneur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710043143 DE102007043143B3 (de) 2007-09-11 2007-09-11 Lasttrennschalter
DE102007043143.2 2007-09-11

Publications (1)

Publication Number Publication Date
WO2009033867A1 true WO2009033867A1 (fr) 2009-03-19

Family

ID=39744496

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/059627 WO2009033867A1 (fr) 2007-09-11 2008-07-23 Interrupteur-sectionneur

Country Status (4)

Country Link
EP (1) EP2198439B1 (fr)
DE (1) DE102007043143B3 (fr)
ES (1) ES2466673T3 (fr)
WO (1) WO2009033867A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2910149T3 (es) * 2018-12-19 2022-05-11 Jean Mueller Gmbh Elektrotechnische Fabrik Conjunto formado por una pieza de soporte y al menos una tapa de una regleta de regleta de conmutación
CN110581046B (zh) * 2019-09-26 2021-09-28 国网河北省电力有限公司晋州市供电分公司 高压熔断器
DE102022103915B3 (de) * 2022-02-18 2023-04-20 Klaus Bruchmann Gmbh Sicherungslasttrennschalter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389222A1 (fr) * 1975-07-01 1978-11-24 Os Bad Rozwojowy Apara Disjoncteur coupe-circuit perfectionne
DE8802457U1 (de) * 1988-02-25 1988-05-05 Lindner Gmbh, Fabrik Elektrischer Lampen Und Apparate, 8600 Bamberg Schalter-Sicherungseinheit aus einem Lastschalter und einem NH-Sicherungstrenner

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO893680D0 (no) * 1989-09-14 1989-09-14 Eb Distribusjon Sikringslastskillebryter.
NL9100415A (nl) * 1991-03-07 1992-10-01 Tech Handelsmaatschappij Distr Samenstel van een elektrische schakelaar en een zekeringhouder.
DE29721440U1 (de) * 1997-12-04 1998-04-30 Wöhner GmbH & Co. KG Elektrotechnische Systeme, 96472 Rödental NH-Lasttrennschalter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389222A1 (fr) * 1975-07-01 1978-11-24 Os Bad Rozwojowy Apara Disjoncteur coupe-circuit perfectionne
DE8802457U1 (de) * 1988-02-25 1988-05-05 Lindner Gmbh, Fabrik Elektrischer Lampen Und Apparate, 8600 Bamberg Schalter-Sicherungseinheit aus einem Lastschalter und einem NH-Sicherungstrenner

Also Published As

Publication number Publication date
DE102007043143B3 (de) 2008-10-16
EP2198439A1 (fr) 2010-06-23
ES2466673T3 (es) 2014-06-10
EP2198439B1 (fr) 2014-04-16

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