WO2011070009A1 - Appareil de commutation d'installation à connexion serrée sans vis - Google Patents

Appareil de commutation d'installation à connexion serrée sans vis Download PDF

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Publication number
WO2011070009A1
WO2011070009A1 PCT/EP2010/069065 EP2010069065W WO2011070009A1 WO 2011070009 A1 WO2011070009 A1 WO 2011070009A1 EP 2010069065 W EP2010069065 W EP 2010069065W WO 2011070009 A1 WO2011070009 A1 WO 2011070009A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping
housing
switching device
connection
clamping legs
Prior art date
Application number
PCT/EP2010/069065
Other languages
German (de)
English (en)
Inventor
Albert Stieger
Carola Thielen
Erwin Muders
Original Assignee
Abb Ag
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 Abb Ag filed Critical Abb Ag
Priority to EP10790404.7A priority Critical patent/EP2510581B1/fr
Publication of WO2011070009A1 publication Critical patent/WO2011070009A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals

Definitions

  • the invention relates to an installation switching device with a screwless terminal connection, with a clamping spring, which has two adjacent clamping legs, and with a pivotally coupled to the housing terminal cover, according to the preamble of claim 1.
  • a generic service switching device which is for example a circuit breaker, is known for example from DE 10 2006 047 254 B3.
  • the installation switching device shown there has a housing with a front and rear front, a mounting side, front and rear narrow sides and broadsides, It has a screwless terminal connection with a clamping spring for connecting connecting leads, which is fixed in position in a terminal connection space of the housing.
  • the terminal connection space is bounded laterally by the housing broad sides and open at least towards the front front, and the opening of the terminal connection space can be covered by a terminal cover part which is pivotally connected to the housing and has a connection surface with a number of connection openings corresponding to the number of connection leads to be connected and at each Connecting opening integrally formed guide means for the connection conductors.
  • Federbetuschistsmittel are formed on the cover and formed so that they act upon opening of the cover against the clamping spring opening.
  • DE 10 2006 047 255 A1 also shows an installation switching device with a terminal connection, with which at least two connecting conductors can be connected to the service switching device, with a clamping spring acting as a compression spring on the conductor ends for clamping at least one conductor end to an abutment
  • the terminal connection is a busbar with a connection end and one at it includes subsequent lead-off
  • the busbar at the terminal end has a window-like recess with a support edge and a clamping edge opposite the clamping edge at the junction of the terminal end in the Ableit Scheme
  • the clamping spring has a support leg, with which it is supported on the support edge of the busbar, and wherein at the support leg a curve piece and a longitudinally slotted clamping leg with two close together, but independently clampable part springs followed, so that two conductor ends are independently clamped between the clamping legs and the clamping edge as an abutment.
  • the clamping legs are separated by a slot, and with the terminal cover is coupled a partition plate whose free end is guided in the slot between the two clamping legs.
  • the partition plate can also be referred to as a nose, which is guided by the spring actuating lever, starting between the two clamping legs.
  • the clamping legs are separated by a wide slot. They are integrally formed according to an advantageous embodiment of a common support edge and mounted parallel to each other at a distance of the slot.
  • a clamping spring according to the invention may, following the supporting edge, initially have a supporting leg which merges via a curved piece into the two clamping legs separated by the slot.
  • the slot can also pull over the elbow into the support leg, so that two more or less independent spring legs, each comprising a support leg, a bend and a clamping leg, are integrally formed on the support leg.
  • the clamping legs are anyway so far apart through the slot that they can be independently moved by the other clamping leg, and that a conductor end, which gets between the two clamping legs, there can not be clamped, but in a sense would slip through.
  • the distance between the clamping legs in a first portion at the free ends of the clamping legs is adapted to the thickness of the partition plate, so that the partition plate between the free ends of the clamping legs can slide smoothly.
  • the distance between the clamping legs in a second partial area, which adjoins the first partial area is greater than the thickness of the separating plate, so that the separating plate can be easily inserted in the second partial area.
  • the design of the slot according to the invention can be designed so that when mounting the terminal cover, which at the same time performs the function of the spring actuating lever, the nose is immersed in a wider part of the slot and then guided during pivoting in a narrower part of the slot.
  • the partition plate carries at its free end a nose-shaped protruding approach.
  • a second terminal cover part is fixedly coupled to the housing, which has at least one connection opening and at least one guide means for at least one connection conductor.
  • the terminal cover part pivotally coupled to the housing and the second cover part fixedly coupled to the housing complement each other to cover the terminal connection space.
  • the connection conductor is guided in the guide means of the second, with the housing firmly coupled cover.
  • the terminal cover part pivotally coupled to the housing may also have at least one spring actuation means with which the clamping spring for the insertion of a connection conductor is opened when the terminal cover part is pivotally coupled to the housing.
  • the functions "guiding the connecting conductor” and “opening the clamping spring” is distributed here on two components, namely on the pivotally coupled to the housing terminal cover and on the second, firmly coupled to the housing cover.
  • the terminal cover part pivotally coupled to the housing has at least one connection opening and at least one guide means for at least one connection conductor.
  • the guide means is designed as a spring actuating means. In this embodiment, the functions "guiding the terminal conductor” and “opening the clamping spring” are combined in one component.
  • FIG. 2 shows the embodiment of a terminal connection according to the invention in a single view, obliquely from below,
  • FIG. 3 shows the terminal connection according to FIG. 2, seen from obliquely above
  • Figure 4 is a partial sectional view of an open service switching device with a second embodiment of a terminal connection according to the invention, with a fixed and a pivotable terminal cover, as well
  • Figure 5 is the view of Fig. 4, wherein the pivotable terminal cover has been removed.
  • FIG. 1 shows a partial sectional view of an opened service switching device, for example a circuit breaker.
  • the installation switching device 1 has an assembled from two along a parting line housing parts 26 (of which only a housing part is shown in partial section in Figure 1) formed Isolierstoffgeophuse with a front front side 27, a rear front side 28, a mounting side 29, a front narrow side 30th , a rear narrow side 31, and broadsides 32nd
  • the terminal connection space is laterally, ie towards the broad side, limited by the housing broad sides of the insulating material.
  • an opening of the terminal connection space is formed through a recess in the rear front side 28 of the housing part 26, through which the terminal connection 1 1 fixed in position in the terminal connection space is accessible for the connection of connection conductors.
  • the opening of the terminal connection space is covered by a terminal cover member 15 pivotally connected to the housing 26.
  • the terminal cover 15 is formed approximately L-shaped, wherein the two legs are formed by angularly stacked cover plates.
  • a first cover plate 35 covers the terminal connection space towards the rear front side 28 and has a connection surface with two connection openings 16, wherein a connection conductor can be connected through each of the connection openings 16.
  • the second cover plate 36 covers the terminal connecting space to the rear narrow side 31 out and has an externally accessible, manually operable pressure surface and a slot 37 for insertion of an actuating tool, such as a screwdriver on.
  • the second cover plate 36 has a semi-open, tubular cavity 33, with which it is rotatably mounted in a connected to the broad side 32 of the housing 26 pivot pin 34.
  • an insertion channel forming hollow body 17 is attached at each of the connection openings 16 tubular. These also serve as guide means for the lead to be inserted, and as spring actuation means.
  • cover member 15 is pivoted by pressure on the pressure surface around the pivot pin 34 in the direction of the clamping spring 12 out, press the hollow body or guide means 17, the clamping legs 13, 14 of the clamping spring 12 away from the clamping edge of the busbar, so that between the Clamping edge and the clamping leg space for inserting the stripped terminal conductor end of the connecting conductor is formed.
  • the terminal connection 1 1 comprises a busbar and a clamping spring 12.
  • the busbar comprises a window-like recess with a support surface 38 and a support surface 38 opposite clamping surface 39.
  • the clamping spring 12 has a support leg 40, with which it is supported on the support surface 38.
  • the support can be made so that the support leg 40 has at its free end a raised edge, with which it includes the support surface 38 for the purpose of supporting partially.
  • a curved piece 41 At the support leg 40, a curved piece 41 and closes it a clamping piece Donate! 13, 14 on.
  • connection conductor is inserted into the window-like recess from the side of the sheet piece 41 and can be clamped between the free end of the clamping leg 13, 14 and the clamping surface 39 acting as an abutment.
  • the free end of Klennnnschenkels 13, 14 passes through the window-like recess.
  • clamping legs 13, 14 are separated by a slot 18 so that they are formed as two independently clampable part springs 13, 14, with which two connection conductors can be clamped independently of each other.
  • the clamping legs 13, 14 are thus attached to the common support edge 20 and approximately at a distance of the slot 18 extending parallel to each other.
  • the distance between the clamping legs 13, 14 is in a first portion 21 at the free ends 22, 23 of the clamping legs 13, 14 matched to the thickness of the partition plate 19, so that the partition plate 19 between the free ends 22, 23 of the clamping legs 13, 14 can slide smoothly.
  • the distance between the clamping legs 13, 14 is in a second portion
  • the partition plate 19 carries at its free end a nose-shaped protruding approach
  • the nose-shaped projection 25 which is integrally formed pointing in the direction of the second cover plate 36.
  • the nose-shaped protruding projection 25 prevents a conductor, in particular a thin connection conductor, from slanting into one of the connection openings 16 can be inserted in the terminal cover 15 that he can jam with the other clamping leg in the first, narrow portion 21 of the slot between the two clamping springs 13, 14.
  • FIGS. 4 and 5 show a partial sectional view of an open service switching device with an embodiment of a terminal connection according to the invention, in which a second, with the housing firmly coupled, terminal cover 42 is present.
  • the terminal cover member 15 'pivotally coupled to the housing corresponds to the terminal cover member 15 in the embodiment of Figs. 1 to 3 supporting the partition plate 19.
  • the terminal openings 16' are in the housing firmly coupled terminal cover member 42, see in particular Fig. 5, which shows the second embodiment of the terminal terminal without the terminal cover 15 'pivotally coupled to the housing.
  • the guide means may also be located on the terminal cover part 42 firmly coupled to the housing, but they are not shown here in FIGS. 4 and 5.
  • two connection conductors can be connected to the service switching device. He has a compression spring acting on the conductor ends clamping spring 12 for clamping at least one conductor end to an abutment.
  • the terminal connection has a busbar with a connection end 43 and an adjoining discharge region 47.
  • the conductor rail has a window-like recess 44 with a support edge 45 and a clamping edge 46 opposite the support edge 45 at the transition of the connection end 43 into the discharge region.
  • the clamping spring 12 is otherwise constructed as described above in Wafermenhang with the embodiment of Figures 1 to 3, so that two conductor ends are independently clamped between the clamping leg and the clamping edge as an abutment.
  • the diverting region 47 merges into a busbar 48, which here is substantially U-shaped, with an extended leg on the side adjacent to the supporting edge 45, to which further connection conductors form assemblies in the interior of the device can be connected, for example, welded.
  • the opening of the clamping spring so the bending away of the clamping leg of the clamping edge, by means of an extension of the pivotally coupled to the housing terminal cover 15 ', when this is pivoted in accordance with the housing interior.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

L'invention concerne un appareil de commutation d'installation (10) comprenant un boîtier (26), qui présente une connexion serrée sans vis (11) comportant un ressort de friction (12) qui présente deux branches de serrage adjacentes (13, 14), ainsi qu'un élément de recouvrement (15) accouplé de manière pivotante au boîtier (26). Les branches de serrage (13, 14) sont séparées par une fente (18), et une plaque de séparation (19) est accouplée à l'élément de recouvrement (15) lui-même accouplé au boîtier (26), plaque de séparation dont une extrémité libre est guidée dans la fente (18) comprise entre les deux branches de serrage (13, 14).
PCT/EP2010/069065 2009-12-08 2010-12-07 Appareil de commutation d'installation à connexion serrée sans vis WO2011070009A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10790404.7A EP2510581B1 (fr) 2009-12-08 2010-12-07 Appareil de commutation d'installation à connexion serrée sans vis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009057527A DE102009057527A1 (de) 2009-12-08 2009-12-08 Installationsschaltgerät mit einem schraubenlosen Klemmanschluss
DE102009057527.8 2009-12-08

Publications (1)

Publication Number Publication Date
WO2011070009A1 true WO2011070009A1 (fr) 2011-06-16

Family

ID=43479497

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/069065 WO2011070009A1 (fr) 2009-12-08 2010-12-07 Appareil de commutation d'installation à connexion serrée sans vis

Country Status (3)

Country Link
EP (1) EP2510581B1 (fr)
DE (1) DE102009057527A1 (fr)
WO (1) WO2011070009A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018101727U1 (de) 2018-03-28 2019-07-01 Wago Verwaltungsgesellschaft Mbh Leiteranschlussklemme, Klemmfeder einer Leiteranschlussklemme sowie Reihenklemme

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20300138U1 (de) * 2003-01-08 2004-05-19 Weidmüller Interface Gmbh & Co. Schraubenlose Anschlussklemme
DE102006047255A1 (de) 2006-10-06 2008-04-10 Abb Patent Gmbh Klemmanschluss und Anschlussklemmenanordnung
DE102006047254B3 (de) 2006-10-06 2008-05-21 Abb Ag Installationsschaltgerät
DE202009010003U1 (de) * 2008-08-20 2009-12-03 LEGRAND FRANCE (société anonyme) Automatischer elektrischer Verbindungsanschluss

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20300138U1 (de) * 2003-01-08 2004-05-19 Weidmüller Interface Gmbh & Co. Schraubenlose Anschlussklemme
DE102006047255A1 (de) 2006-10-06 2008-04-10 Abb Patent Gmbh Klemmanschluss und Anschlussklemmenanordnung
DE102006047254B3 (de) 2006-10-06 2008-05-21 Abb Ag Installationsschaltgerät
DE202009010003U1 (de) * 2008-08-20 2009-12-03 LEGRAND FRANCE (société anonyme) Automatischer elektrischer Verbindungsanschluss

Also Published As

Publication number Publication date
DE102009057527A1 (de) 2011-06-09
EP2510581B1 (fr) 2016-04-20
EP2510581A1 (fr) 2012-10-17

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