EP2425441A1 - Appareil de commutation pour installation et procédé de montage de celui-ci - Google Patents

Appareil de commutation pour installation et procédé de montage de celui-ci

Info

Publication number
EP2425441A1
EP2425441A1 EP10716287A EP10716287A EP2425441A1 EP 2425441 A1 EP2425441 A1 EP 2425441A1 EP 10716287 A EP10716287 A EP 10716287A EP 10716287 A EP10716287 A EP 10716287A EP 2425441 A1 EP2425441 A1 EP 2425441A1
Authority
EP
European Patent Office
Prior art keywords
spring
terminal
housing
terminals
switching device
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.)
Withdrawn
Application number
EP10716287A
Other languages
German (de)
English (en)
Inventor
Klaus-Peter Eppe
Erwin Muders
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.)
ABB AG Germany
Original Assignee
ABB AG Germany
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 Germany filed Critical ABB AG Germany
Publication of EP2425441A1 publication Critical patent/EP2425441A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
    • H01H2011/0037—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts with removable or replaceable terminal blocks
    • 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
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the invention relates to a service switching device, in particular a circuit breaker or residual current circuit breaker, with a housing having a terminal receiving space for a screwless terminal connection with two spring-plug elements, according to the preamble of claim 1.
  • the invention further relates to a method for mounting a service switching device, in particular a circuit breaker or residual current circuit breaker in base construction, which installation switching device has a housing which has a terminal receiving space for a screwless terminal connection with two spring terminals, according to the preamble of claim.
  • the spring plug-in terminal known from DE 10 2005 045 596 B3 has two U-shaped springs, which thus have two separate spring taps! and two spring ends, and a clamping frame having a square recess and an angled from the plane of the clamping frame clamping piece, each spring end is connected via a curved piece with a fixed end and each spring is fixed in position with its fixed end to a fixing in the recess and the two spring ends of the spring legs with the clamping piece of the clamping frame form a clamping zone for two conductor pieces to be connected.
  • the elbow rises freely above the plane of the square recess.
  • the springs are located inside a housing and are held fixed in position there by the housing walls on the outside of the springs. This limits the installation options of this type of spring plug-in terminals, in particular the installation in service switching devices in So- not easily possible.
  • a generic service switching device is known for example from DE 10 2006 049 772 A1.
  • a service switching device in shell construction in which two terminal connections are housed in a terminal receiving space, each with a spring-type terminal.
  • a first spring plug-in terminal is fixed in the first housing half shell
  • a second spring plug-in terminal is fixed in the second housing half shell, by the joining of the two housing half shells, the two spring plug-in terminals in the terminal receiving space in adjacent position.
  • the spring plug-in terminal requires support elements that hold at least the springs of the spring plug-in terminals in position relative to the terminal frame.
  • the support elements for the spring plug-in terminals are provided on the respective housing half shell.
  • DE 42 13 729 A1 shows a service switching device in base design with screw terminals, which are used in separate, provided in the housing base terminal receiving chambers from above.
  • the screw terminals are prefabricated units whose individual parts are held in a clamp frame, so that no special support devices in the housing wall are needed.
  • the present invention is therefore in the light of the prior art, the object to provide a service switching device in which the assembly of spring-type terminals is simplified.
  • the invention is also based on the object to provide an improved method for mounting a service switching device.
  • the invention underlying an improved installation switching device object is achieved by a generic service switching device with the characterizing features of claim 1.
  • An improved method for mounting an installation switching device is by claim 7 provided.
  • the service switching device comprises a terminal support, on which the spring plug-in terminals are held, wherein the terminal support can be used with the held thereon spring plug-in terminals in the terminal receiving space of the housing.
  • the terminal support can be produced with the spring plug-in terminals as a prefabricated unit. Holding elements for the spring plug-in terminal are to be attached to the terminal support, not to the housing wall.
  • the installation of the spring-type terminal on the terminal support can be done easily in an automated form, since the terminal support is a relatively small component and thus easy to handle.
  • the insertion of the terminal support in the housing of a service switching device is simple, because no special inside the housing protruding holding elements are required for this purpose.
  • a simple insertion into backdrop or groove-like fasteners can already be enough. Not only does the assembly process become simpler, but also the design of the installation switchgear housing becomes less complicated. This advantage particularly comes into play in the case of installation switching devices with base design. There, the terminal support is inserted from above into the upwardly open socket, it is no longer necessary to perform complicated handling operations for fastening the spring plug-in terminal on the inside of the housing wall inside the housing.
  • the terminal support comprises an insulating center wall, on whose first and second broad side depending a support element is attached, wherein on each support element a spring-type terminal for fixing rests. Due to the insulating center wall two functions are realized. First, the mounting of the plug spring terminals, and secondly, the electrical insulation of the two terminal connections.
  • the spring plug-in terminal comprises a U- or ⁇ -shaped spring having two spring legs and a rectangular clamping frame having a VierkantenausEnglishung, the spring legs are connected via a curved piece with a fixed end and the spring with the fixed end a fixing zone in the square recess is arranged fixed in position and form the two spring ends of the spring legs with the clamping frame a clamping zone for two to be connected conductor pieces.
  • Such designed spring plug-in terminals need according to the previously known prior art at least one holding element on the housing inner wall, on which the spring can be supported. This is no longer necessary if the thus designed spring-type terminal is mounted in the device housing to the terminal support prior to assembly.
  • the spring bears against the support bar with the inner surface of the curved piece.
  • the electrical contact between the clamped conductor and the terminal frame is thereby improved.
  • the center wall of the terminal support on an opening, wherein in the installation position of the terminal support in the terminal receiving space a support rod passes through the opening and couples the terminal support with two opposite sides of the housing.
  • An inventive method for mounting a service switching device in particular a circuit breaker or residual current circuit breaker in Sockkelkelweise, which installation switching device has a housing which has a terminal receiving space for a screwless terminal connection with two spring terminals, is characterized by the steps
  • the terminal carrier after insertion into the terminal receiving space of the housing, is coupled to a holding bar with two opposite housing broad sides.
  • FIG. 1 is a view into an open socket of a service switching device in a base design with built-in spring plug-in terminals
  • FIG. 2 shows a view of a first embodiment of a terminal carrier with spring plug-in terminals fastened thereto
  • Fig. 3 is a view of a second embodiment of a terminal carrier mounted thereon spring-type terminals
  • Fig. 4 is a view of a service switching device in base design with a closed housing.
  • FIG. 4 shows a service switching device 30 in the base construction.
  • the service switching device 30 here is a residual current circuit breaker in base construction.
  • the service switching device 30 has an insulating housing 2, which comprises a lower part, the base 31 and an upper part, the dekel 32.
  • Die Isolationgezzause 2 ist mit dem Gezzause 32sky. Both are placed on top of each other to complete the housing and collide at a peripheral edge 33.
  • the Isolierstoffgekoruse 2 has a front front 34, rear front sides 35, 36, front narrow sides 37, of which only one is visible, rear narrow sides 38, of which also only one is visible, broadsides 27, 28, of which in the figure 4 only the broad side 28 is visible, and a mounting side 40.
  • a recess 41 On the mounting side 40 is a recess 41 with a retaining lug 42 for fixing the service switching device 1 on a profile support rail.
  • a handle 43 On the front front side 34 is a handle 43 for manual operation of a rear derailleur inside the housing 2, and a push button 44, with which a test triggering can be brought about, which is to be performed at residual current circuit breakers from time to time.
  • each clamping connection 47, 48 comprises a spring plug-in terminal, wherein both spring plug terminals are held on a terminal carrier, as shown and described in FIGS. 1 to 3.
  • FIG. 2 shows an insight into the open base 31 of the service switching device of FIG. 4, wherein the internal components and assemblies are removed.
  • a terminal support 6 is inserted from above between the two broad sides 27, 28 of the base 31.
  • two spring plug-in terminals 4, 5 are held.
  • the terminal support 6 thus forms the conclusion of the housing 2 to the rear narrow side 38.
  • the terminal support is shown in more detail. It comprises a main body with an insulating middle wall 7, on whose first and second broad side 10, 11 a respective support bar 8 - not visible in Fig. 1, visible in Fig. 2 and 3 - is attached.
  • each of the support beams 8 is a spring 12 of a spring-type terminal 4, 5 and is thereby fixed on the terminal support 6.
  • the middle wall 7 has an opening 25. Through the opening 25 a support rod 26 is inserted, which is held even in a respective holding opening 55, 56 in the inner broadsides 27, 28. As a result, the terminal support 6 is fixedly connected to the housing 2 after insertion from above into the open base.
  • FIG. 3 shows a detailed view of a terminal support 6 with two spring plug-in terminals 4, 5 in a first embodiment.
  • Each of the spring plug-in terminals 4, 5 has a rectangular clamping frame 15, which has a square recess 7 and an angled on a first narrow side of the plane of the clamping frame 15 clamping piece 16.
  • the clamping piece 16 is here a through the inner surface of the clamping frame 15 bent through baffle. It may have been punched out of the clamping frame 15 during the molding of the square recess 17 and subsequently bent downwards.
  • a conductor rail 61 is integrally formed. This can run horizontally, as shown in FIG. 3, but it can also be adapted to the conditions inside the installation switching housing into which the terminal support 6 is inserted and bent upwards or downwards. Overall, the clamping frame 15 with all attachments is very cheap to produce as stamped and bent part.
  • Each spring plug-in terminal 4, 5 further has a U-shaped spring 12 which has a fixed end 18 to which two spring pieces 13, 14 are integrally formed over two curved pieces 19, 20.
  • the spring 12 is arranged with the fixed end 18 on the second narrow side of the clamping frame 15, also called fixing zone 23, fixed in position. This is achieved by pressing the fixed end 18 against the narrow side of the clamping frame.
  • the two free spring ends 21, 22 of the spring legs 13, 14 form with the clamping piece 16 a clamping zone 24 for two to be connected conductor pieces, not shown here.
  • the two spring legs 13, 14 are independently movable and bendable, so that two conductor pieces are independently clamped to the clamping zone 24.
  • the spring 12 rests with the inner surface 61 of each elbow 19, 20 on the support beam 8 and is thereby supported in a fixed manner.
  • the spring 12 is fixed to the terminal support 6 so that it is made with the fixed thereto spring plug-in terminals 4, 5 with the clamping frame 15 and the spring 12 fixed thereto as a separate assembly and in the open base 31 of a Installationsschalt- device housing in socket construction, can be used without the spring 12 must be supported by other, connected to the installation device housing support elements.
  • a terminal support as shown in Figure 3 could also be used from the side in a shell-like housing half of a service switching device in shell construction. Even with such a service switching device in shell construction, there is an advantage of easier installation by using a prefabricated terminal support assembly.
  • FIG. 4 a terminal support 6 with two spring plug-in terminals 4, 5 is shown in another embodiment.
  • the fixation of the spring plug-in terminals on the Wide side 10, 11 of the insulating central part 7 of the terminal support 6 via an integrally formed support beam takes place here as well as in the embodiment of FIG. 3.
  • the clamping frame of the spring plug-in terminal of FIG. 4 differs from that of FIG. 3 in that the Clamping frame, a U-shaped curved busbar is formed, which extends below the clamping frame and extends to the fixing zone 23 of the clamping frame upwards, where further busbars are formed, which extend into the device interior.
  • Fig. 4 is a further example of the fact that an inventive installation switching device can be equipped in principle with any conceivable embodiment of plug spring terminals.
  • further retaining elements can occur on the terminal support, for example shoulders on which the spring or the clamping frame lies or slits, in which the clamping frame is inserted and held.
  • the main body of the terminal support 6 may also carry other attachments.
  • the terminal carrier consists of an insulating plastic.
  • the middle wall 7 ensures then in addition to the holder of the spring plug-in terminals and the electrical insulation between the two terminals.

Landscapes

  • Breakers (AREA)

Abstract

<span lang=FR style='font-family:"Courier New"'>L'invention concerne un appareil de commutation pour installation (1), en particulier un commutateur de protection pour ligne ou un commutateur de protection sur courant de défaut, avec un boîtier (2) comprenant un logement de réception des bornes (3) pour le raccordement par bornes sans vis, avec deux bornes à enfichage à ressort (4, 5). L'appareil de commutation pour installation (1) comprend un support de bornes (6) sur lequel sont maintenues les deux bornes à enfichage à ressort (4, 5). Le support de bornes (6) avec les deux bornes à enfichage à ressort (4, 5) peut être logé dans le logement de réception des bornes (3). L'invention concerne en outre un procédé de montage d'un appareil de commutation pour installation (1), en particulier un commutateur de protection pour ligne ou un commutateur de protection sur courant de défaut monté sur socle. L'appareil de commutation pour installation comprend un boîtier (2) qui comprend un logement de réception des bornes (3) pour le raccordement par bornes sans vis, avec deux bornes à enfichage à ressort (4, 5). Le procédé comprend les étapes suivantes : - utilisation d'un ressort en forme de U ou de </span>O (12) dans un cadre (15) de chacune des bornes à enfichage à ressort (4, 5) ; - installation des deux bornes à enfichage à ressort (4, 5) dans un support de bornes (6) ; - placement du support de bornes (6) avec les deux bornes à enfichage à ressort (4, 5) dans le logement de réception des bornes (3) du boîtier (2).
EP10716287A 2009-04-27 2010-04-13 Appareil de commutation pour installation et procédé de montage de celui-ci Withdrawn EP2425441A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009018748 2009-04-27
DE102009048932A DE102009048932A1 (de) 2009-04-27 2009-10-10 Installationsschaltgerät und Verfahren zur Montage eines solchen
PCT/EP2010/002255 WO2010124792A1 (fr) 2009-04-27 2010-04-13 Appareil de commutation pour installation et procédé de montage de celui-ci

Publications (1)

Publication Number Publication Date
EP2425441A1 true EP2425441A1 (fr) 2012-03-07

Family

ID=42779788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10716287A Withdrawn EP2425441A1 (fr) 2009-04-27 2010-04-13 Appareil de commutation pour installation et procédé de montage de celui-ci

Country Status (4)

Country Link
EP (1) EP2425441A1 (fr)
CN (1) CN102439677A (fr)
DE (1) DE102009048932A1 (fr)
WO (1) WO2010124792A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011115637B4 (de) 2011-06-21 2014-03-27 Phoenix Contact Gmbh & Co. Kg Elektrische Anschlussklemme
CN111430193A (zh) * 2019-01-10 2020-07-17 南京捷泰电力设备有限公司 一种漏电保护断路器接地装置
DE202019101330U1 (de) 2019-03-08 2020-06-09 Wago Verwaltungsgesellschaft Mbh Kontakteinsatz einer Leiteranschlussklemme und Leiteranschlussklemme
DE202020100910U1 (de) * 2020-02-19 2021-05-26 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme
CN115274373B (zh) * 2022-08-29 2025-04-04 广东电网有限责任公司 一种断路器防慢分装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213729C2 (de) 1992-04-25 1996-08-08 Abb Patent Gmbh Schutzschalter, insbesondere Motorschutzschalter
DE20210105U1 (de) * 2002-06-29 2002-10-02 Wago Verwaltungsgmbh Elektrischer Anschluß für Klemmen, Steckverbinder oder Geräte
DE102005045596B3 (de) * 2005-09-23 2007-06-21 Siemens Ag Feder-Steckklemme
DE102006049772B4 (de) 2006-10-21 2008-09-04 Abb Ag Installationsschaltgerät
DE102007043197B4 (de) * 2007-09-11 2015-03-26 Mc Technology Gmbh Anschlussklemme
DE102008017245B4 (de) * 2008-04-04 2010-03-25 Moeller Gmbh Steckadapter für ein elektrisches Schaltgerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010124792A1 *

Also Published As

Publication number Publication date
DE102009048932A1 (de) 2010-10-28
WO2010124792A1 (fr) 2010-11-04
CN102439677A (zh) 2012-05-02

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