WO2017005788A1 - Borne de connexion - Google Patents

Borne de connexion Download PDF

Info

Publication number
WO2017005788A1
WO2017005788A1 PCT/EP2016/065967 EP2016065967W WO2017005788A1 WO 2017005788 A1 WO2017005788 A1 WO 2017005788A1 EP 2016065967 W EP2016065967 W EP 2016065967W WO 2017005788 A1 WO2017005788 A1 WO 2017005788A1
Authority
WO
WIPO (PCT)
Prior art keywords
busbar
leg
housing
current bar
conductor
Prior art date
Application number
PCT/EP2016/065967
Other languages
German (de)
English (en)
Inventor
Martin Gebhardt
Original Assignee
Phoenix Contact Gmbh & Co. Kg
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 Phoenix Contact Gmbh & Co. Kg filed Critical Phoenix Contact Gmbh & Co. Kg
Priority to ES16734708T priority Critical patent/ES2905871T3/es
Priority to CN201680040021.3A priority patent/CN107912073B/zh
Priority to EP16734708.7A priority patent/EP3320582B1/fr
Publication of WO2017005788A1 publication Critical patent/WO2017005788A1/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22Bases, e.g. strip, block, panel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/26Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675Electrical interconnections between two blocks, e.g. by means of busbars

Definitions

  • the invention relates to a connection terminal for connecting an electrical conductor to a busbar.
  • Terminals are known in a variety of embodiments. Terminals may be formed, for example, for connecting a conductor to a printed circuit board as a so-called print terminal or - as in the present patent application - for connecting an electrical conductor to a busbar.
  • shielding terminals have been known for many years, with which the cable shield of a usually multi-core cable can be connected to a busbar.
  • Such shield clamps are known from the catalog "Terminal Blocks CLIPLINE 1 2011", pages 546-548 of Phoenix Contact GmbH & Co. KG.
  • the known shield clamps have an approximately U-shaped metallic connecting body, wherein in the two legs of the connecting body slots are formed, with which the shield clamp can be plugged onto a collecting rail with a predetermined thickness.
  • a knurled screw is provided, via which a large-area, resilient pressure piece is height-adjustable, so that the cable to be connected can be clamped between the pressure piece and the busbar.
  • the known terminals are due to their design and their connection principle only suitable for connecting the cable shield of a cable to a busbar, which is connected to reference potential.
  • the busbar is connected via support blocks with a mounting rail, on which then several terminal blocks are arranged, to which the individual wires of the multi-core cable are connected.
  • the object of the present invention is to provide a connection terminal for connecting an electrical conductor to a busbar.
  • the connection to the busbar is as simple as possible.
  • a secure electrical connection between the conductor to be connected and the busbar should also be ensured if the busbars have certain tolerances in their thickness.
  • connection terminal for connecting an electrical conductor to a busbar having the features of patent claim 1.
  • the terminal has a housing in which a conductor connection element and a current bar are arranged.
  • a conductor insertion opening for insertion of the electrical conductor to be connected and a busbar receptacle for receiving the busbar are formed in the housing.
  • a conductor connected by means of the conductor connection element is then electrically conductively connected via the current bar to the busbar arranged in the busbar receptacle.
  • the current bar is slidably mounted in the housing, and that a spring element is arranged in the housing, that the spring element acts on the current bar with a force in the direction of the busbar receiving.
  • the spring element ensures that there is always a sufficient and largely constant contact force between the current bar and an inserted in the busbar receiving busbar, so that a good electrical contact between the current bar and the busbar is guaranteed. Due to the displaceable arrangement of the current bar in the housing in conjunction with the force acting on the current bar by the spring element force in the direction of the busbar receiving tolerances in the thickness of the busbar used can be reliably compensated.
  • the spring element is designed as a substantially U-shaped or V-shaped leg spring having two legs.
  • the first leg is supported as a kind of plant leg on an abutment in the housing, while the second leg is in contact with the current bar.
  • the contact between the second leg of the leg spring and the current Bar can thereby be realized in that the second leg of the leg spring engages with its free end in a corresponding recess in the current bar.
  • the second leg is positively connected to the current bar, so that the position of the free end of the second leg does not change to the current bar.
  • the second leg of the leg spring is simply at the busbar receiving end facing away from the current bar or the end of the current bar presses against the second leg of the leg spring.
  • the leg spring is clamped with its two legs between the abutment in the housing and the current bar, wherein the leg spring can be additionally secured by appropriate ribs or retaining domes in the housing in position. If a busbar is inserted in the busbar receptacle, the current bar is pressed from its basic position somewhat in the direction of the leg spring, whereby the leg spring is compressed somewhat against its spring force. From the spring force of the leg spring then results in the force with which the current bar is pressed against the busbar, so that a good electrical contact between the current bar and the busbar is guaranteed.
  • a conductor connecting element which is arranged in the housing of the terminal
  • connection elements such as screw or tension springs
  • a leg spring which has a bearing leg and a clamping leg is particularly preferably used as a conductor terminal element, wherein the clamping leg together with the current bar forms a spring force clamping point for the stripped conductor to be connected.
  • a rigid conductor or a conductor provided with a wire end sleeve can be inserted directly into the terminal point, ie without the clamping point having to be opened beforehand with a tool.
  • the leg spring acts as a compression spring, which presses the conductor to be connected with the clamping leg against the current bar.
  • the clamping leg of the leg spring must be deflected, for which purpose an actuating opening for inserting the tip of a tool, for example a screwdriver, can be formed in the housing in addition to the conductor insertion opening.
  • an actuating pushbutton is arranged displaceably in the housing instead of an actuating opening for a tool.
  • the actuating push-button can be moved from a first position, in which the clamping leg of the leg spring is not deflected, into a second position, in which the clamping leg is deflected by the tip of the actuating push-button, so that a connected electrical conductor from the clamping point and so that it can be pulled out of the conductor insertion opening.
  • the terminal according to the invention preferably has a clamping lever which is rotatably mounted in the housing on the opposite side of the current bar busbar receptacle.
  • the clamping lever has at least one clamping nose projecting into the busbar receiving means, which, in the case of a busbar arranged in the busbar receiver, rests against the busbar on the side of the busbar facing away from the latter.
  • the clamping lever preferably also has an actuating projection whose free end has a greater distance from the pivot point of the clamping lever than the clamping nose, so that the actuating projection - if the bus bar is not inserted - projects further into the busbar receptacle than the clamping nose.
  • an additional fixation may be provided.
  • the fixation is realized according to a preferred embodiment of the invention by a further spring element which has at least one leg and is arranged in the housing such that the free end of the leg projects into the busbar receiving, if no busbar in the busbar recording is arranged. If a busbar inserted into the receptacle, the spring element is deflected against its spring force, wherein the free end of the leg of the spring element abuts at an acute angle to the busbar. An inserted into the busbar receiving busbar is thus secured by self-locking against accidental removal of the terminal of the busbar opposite to the mounting direction.
  • the use of a spring element for fixing the busbar has the advantage that the spring element on the one hand does not appreciably hamper the insertion of the busbar in the busbar receptacle, on the other hand, the fixation after the import of the busbar is effective without it being actuated by the user requirement.
  • the further spring element is designed as a leg spring having two legs, wherein the second leg, which is not in contact with the busbar, is supported as an abutment against an abutment in the housing.
  • the terminal lifted from the busbar or the busbar can be pulled out of the busbar receptacle, the terminal according to a further advantageous embodiment, an unlocking.
  • the unlocking element is movable on or arranged in the housing so that it can be moved from a basic position into an unlocked position. In the unlocked position, the leg of the spring element, which faces the busbar and fixes the busbar in position, is deflected by the unlocking element so that the free end of the leg no longer bears against the side of the busbar. The terminal can then be lifted against the mounting direction of the busbar or the busbar are pulled against the insertion of the busbar receiving.
  • the unlocking element could - similar to the actuating pushbutton - be arranged displaceably in the housing.
  • the unlocking element is designed as a lever which is pivotally mounted on the housing via a hinge, wherein the unlocking element has a gripping surface for actuation with a finger.
  • the actuation of the unlocking of a fitter is very easy to carry out, for example, by simply pressing the terminal of the busbar with a finger on the gripping surface of the lever presses, whereby the lever is pivoted, so that the leg of the spring element deflected and thereby the Lock is released.
  • FIG. 1 shows an embodiment of the terminal without busbar, once in perspective and once in side view
  • FIG. 2 the terminal of FIG. 1, mounted on a first, narrow busbar, again in a perspective view and in side view
  • Fig. 3 the terminal of FIG. 1 mounted on a second, wider busbar, again in perspective and in side view, and
  • FIG. 4 the terminal of FIG. 2, with actuated unlocking, in perspective and in side view.
  • FIGS. 2, 3 and 4 show the connection terminal 1 with two differently thick busbars 2, namely once with a first, thinner busbar 2 (FIGS. 2 and 4) and once with a second, thicker busbar 2 (FIG. 3).
  • FIG. 4 the terminal 1 with the thinner busbar 2 shown in FIG. 2, wherein in contrast to FIG. 2, the fixing formed between the terminal 1 and the busbar 2 2 is solved, so that the terminal 1 of the busbar 2 opposite the slip A can be lifted.
  • the terminal 1 has a housing 3, in which a conductor connection element 4 in the form of a leg spring and an L-shaped current bar 5 are arranged.
  • a conductor insertion opening 6 is formed in the housing 3.
  • the generally made of plastic housing 3 still has a busbar receptacle 7, which is open on one side, so that the terminal 1 can be plugged or placed on a possibly already mounted busbar 2 with the busbar receptacle 7 in the mounting direction A. If the terminal 1 is already mounted, it is possible to insert a busbar 2 from the opposite direction to the plug A direction in the busbar receptacle 7.
  • connection terminal 1 in the connection terminal 1 according to the invention the current bar 5 is mounted displaceably in the housing 3, perpendicular to the mounting direction A.
  • the electricity ken 5 is pressed by a spring element 8 with a force in the direction of the busbar receptacle 7 or in the direction of a busbar in the receiving receptacle 7 arranged busbar 2, so that it is ensured that always a sufficient contact force and thus a good electrical contact between the Current bar 5 and the busbar 2 consists.
  • the spring element 8 which presses the current bar 5 against the busbar 2, formed as a leg spring having two legs 10, 11.
  • the first leg 10 serves as a plant leg, which is supported on an abutment 12 in the housing 3, while the second leg 11 is in contact with the current bar 5.
  • the second leg 11 rests against the end 13 of the current bar 5 facing away from the busbar receptacle 7.
  • the spring element 8 is thus clamped with its two legs 10, 11 between the abutment 12 in the housing 3 and the end 13 of the current bar 5.
  • the installation of current bar 5 and spring element 8 in the housing 3 is very simple, since the current bar 5 and the spring element 8 can be used individually in the housing 3.
  • the spring element 8 in the illustrated embodiment of the terminal 1 and the conductor connection element 4 is designed as a leg spring having two legs, namely a plant leg 14 and a clamping leg 15.
  • a introduced through the conductor insertion opening 6 in the housing 3 stripped electrical conductor is then by the clamping leg 15 is pressed against the leg 16 of the current bar 5, which also abuts an inserted busbar 2.
  • the clamping leg 15 thus forms together with the legs 16 of the current bar 5 a spring force clamping point for the conductor to be connected.
  • connection terminal 1 has an actuating pushbutton 17 displaceably arranged in the housing 3, which can be displaced from a first position shown in the figures to a second position within the housing 3. While the clamping leg 15 is not deflected in the first position of the actuating printer 17, the clamping leg 15 is deflected in the second position of the actuating lever 17 so far that a connected conductor is no longer clamped in the terminal point and thus ngsöffhung 6 by the Leitereinux from the terminal 1 can be pulled out.
  • a clamping lever 18 On the side opposite the current bar 5 side of the busbar Aufnähme 7, a clamping lever 18 is rotatably mounted in the housing 3, held by the busbar 2 in the bus bar to imme 7 and in particular in the direction of the current bar 5 is pressed.
  • the clamping lever 18 thus serves in particular for the correct positioning of the busbar 2 on the current bar 5 or its first leg 16.
  • the clamping lever 18 has two clamping lugs 19, 20 projecting into the busbar receptacle 7 and an actuating projection 21.
  • the first clamping nose 19 FIGS. 2 and 4
  • the second clamping nose 20 FIG. 3 contacts the busbar 2.
  • the free end of the actuating projection 21 is at a greater distance from the pivot point of the clamping lever 18 than the clamping nose 19 and - a much greater distance - than the clamping lug 20.
  • the actuating projection 21 thus protrudes free busbar receptacle 7 furthest into the busbar receptacle 7, so that when plugging the housing 3 onto a busbar.
  • rail 2 the busbar 2 initially abuts on the actuating projection 21 and thereby pivots the clamping lever 18 counterclockwise counterclockwise until the housing 3 is completely seated on the busbar 2, so that then according to FIG. 2, the first clamping lug 19 or in the embodiment Ausost- 3, the second clamping lug 20 bears against the busbar 2 and thereby presses against the current bar 5.
  • the leg 23 is deflected counter to the spring force of the spring element 22 so that the busbar 2 can slide past the free end 24 of the leg 23.
  • the free end 24 of the leg 23 is at an acute angle ⁇ to the busbar 2 at.
  • the second leg 25 of the spring element 22 in turn serves as a plant leg, for which purpose the leg 25 is supported on a corresponding abutment 26 in the housing 3.
  • connection terminal 1 is intended to be raised in the opposite direction to the attachment direction A by a busbar 2 arranged in the busbar receptacle 7, the leg 23 of the spring element 22 must be deflected counter to the spring force of the spring element 22.
  • an unlocking element 27 designed as a lever is provided, which is connected via a flexible xibles hinge 28 is movably disposed on the housing 3.
  • the user only has to press with one finger on the gripping surface 29, whereby the actuation nose 30 of the unlocking element 27 presses against the leg 23 of the spring element 22 and thereby lifts it away from the busbar 2, as shown in FIG. 4 is shown.
  • the terminal 1 can then be lifted from the busbar 2 opposite to the Aufsteckraum A readily or the busbar 2 - down - are pulled out of the busbar receptacle 7 in the housing 3.

Landscapes

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

Abstract

On décrit et illustre une borne de connexion (1) destinée au raccordement d'un conducteur électrique à une barre omnibus (2), comprenant un boîtier (3), un élément de connexion de conducteur (4) et une barrette conductrice (5). Selon l'invention, le boîtier (3) est doté d'une ouverture d'introduction du conducteur (6) permettant l'introduction d'un conducteur électrique, et d'un logement de barre omnibus (7) accueillant la barre omnibus (2), la barrette conductrice (5) est montée mobile dans le boîtier (3), et un élément élastique (8) est disposé dans le boîtier (3) de manière à solliciter la barrette conductrice (5) au moyen d'une force dirigée vers le logement de barre omnibus (7), de sorte qu'un conducteur connecté au moyen de l'élément de connexion de conducteur (4) est raccordé électriquement à une barre omnibus (2) disposée dans le logement de barre omnibus (7), par l'intermédiaire de la barrette conductrice (5).
PCT/EP2016/065967 2015-07-06 2016-07-06 Borne de connexion WO2017005788A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES16734708T ES2905871T3 (es) 2015-07-06 2016-07-06 Borna de conexión
CN201680040021.3A CN107912073B (zh) 2015-07-06 2016-07-06 联接端子
EP16734708.7A EP3320582B1 (fr) 2015-07-06 2016-07-06 Borne de connexion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015110868.2A DE102015110868A1 (de) 2015-07-06 2015-07-06 Anschlussklemme
DE102015110868.2 2015-07-06

Publications (1)

Publication Number Publication Date
WO2017005788A1 true WO2017005788A1 (fr) 2017-01-12

Family

ID=56345157

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/065967 WO2017005788A1 (fr) 2015-07-06 2016-07-06 Borne de connexion

Country Status (5)

Country Link
EP (1) EP3320582B1 (fr)
CN (1) CN107912073B (fr)
DE (1) DE102015110868A1 (fr)
ES (1) ES2905871T3 (fr)
WO (1) WO2017005788A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107589280A (zh) * 2017-09-21 2018-01-16 国网湖南省电力公司 一种用于继电保护小母线过渡的试验线夹及成套装置
CN112805881A (zh) * 2018-10-05 2021-05-14 Wago管理有限责任公司 接触插件,借此形成的装置以及用于提供接触插件的方法

Families Citing this family (10)

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DE102016105414B3 (de) * 2016-03-23 2017-09-28 Phoenix Contact Gmbh & Co. Kg Anschlussklemme
DE102016105428B4 (de) * 2016-03-23 2017-10-05 Phoenix Contact Gmbh & Co. Kg Anschlussklemme
DE102016112831B4 (de) 2016-07-13 2021-12-09 Phoenix Contact Gmbh & Co. Kg Anschlussklemme
DE102016120258A1 (de) * 2016-10-24 2018-04-26 Wieland Electric Gmbh Elektrische Reihenklemme
BE1026735B1 (de) * 2018-10-30 2020-06-02 Phoenix Contact Gmbh & Co Elektrische Reihenklemme
LU101419B1 (de) 2019-09-27 2021-03-31 Phoenix Contact Gmbh & Co Verriegelbares Anschlussmodul
DE102019126155A1 (de) * 2019-09-27 2021-04-01 Phoenix Contact Gmbh & Co. Kg Stromschienenmodul und entsprechendes Anschlussmodul
DE102019133530A1 (de) * 2019-12-09 2021-06-10 Phoenix Contact Gmbh & Co. Kg Anschlusseinrichtung für einen Schirmleiter einer elektrischen Leitung
TW202230893A (zh) 2021-01-01 2022-08-01 徐宏昇 接線盒
TW202230890A (zh) 2021-01-01 2022-08-01 徐宏昇 接線盒

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107589280A (zh) * 2017-09-21 2018-01-16 国网湖南省电力公司 一种用于继电保护小母线过渡的试验线夹及成套装置
CN107589280B (zh) * 2017-09-21 2024-06-11 国网湖南省电力公司 一种用于继电保护小母线过渡的试验线夹及成套装置
CN112805881A (zh) * 2018-10-05 2021-05-14 Wago管理有限责任公司 接触插件,借此形成的装置以及用于提供接触插件的方法
CN112805881B (zh) * 2018-10-05 2023-09-12 Wago管理有限责任公司 接触插件,借此形成的装置以及用于提供接触插件的方法

Also Published As

Publication number Publication date
EP3320582A1 (fr) 2018-05-16
CN107912073A (zh) 2018-04-13
EP3320582B1 (fr) 2022-01-05
DE102015110868A1 (de) 2017-01-12
CN107912073B (zh) 2020-03-24
ES2905871T3 (es) 2022-04-12

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