EP1251590B1 - Borne électrique - Google Patents

Borne électrique Download PDF

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Publication number
EP1251590B1
EP1251590B1 EP02005615A EP02005615A EP1251590B1 EP 1251590 B1 EP1251590 B1 EP 1251590B1 EP 02005615 A EP02005615 A EP 02005615A EP 02005615 A EP02005615 A EP 02005615A EP 1251590 B1 EP1251590 B1 EP 1251590B1
Authority
EP
European Patent Office
Prior art keywords
opening
test plug
terminal
actuating
electrical
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.)
Revoked
Application number
EP02005615A
Other languages
German (de)
English (en)
Other versions
EP1251590A2 (fr
EP1251590A3 (fr
Inventor
Jürgen Brand
Oliver Lange
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7955899&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1251590(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP1251590A2 publication Critical patent/EP1251590A2/fr
Publication of EP1251590A3 publication Critical patent/EP1251590A3/fr
Application granted granted Critical
Publication of EP1251590B1 publication Critical patent/EP1251590B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • H01R4/48185—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
    • H01R4/48275—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 with an opening in the housing for insertion of a release tool
    • 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
    • H01R4/484—Spring housing details
    • 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
    • H01R4/4811—Spring details
    • H01R4/4816—Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural 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
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/912—Electrical connectors with testing means

Definitions

  • the invention relates to an electrical terminal, in particular a terminal block, with a terminal housing, with at least one conductor terminal arranged therein, in particular a tension spring clamp and at least one current bar, wherein the terminal housing at least one conductor insertion opening for insertion of an electrical conductor to be connected, at least one actuating opening for insertion of a Operating tool for opening the tension spring clamp and at least one test plug opening for insertion of a test plug, wherein theêteinversemngsö réelle and the actuating opening are each arranged symmetrically to the median plane (M) of the electrical terminal.
  • M median plane
  • Electrical terminals especially terminal blocks have been known for decades and are used millions of times in the wiring of electrical equipment and devices.
  • the terminals are usually snapped onto mounting rails, which in turn are often arranged in a plurality in a control cabinet.
  • conductor connection elements predominantly screw terminals or spring-cage terminals are used in terminal blocks.
  • the clamping principle with spring-cage terminals is similar to that of screwdriving technology. While with the screw terminal a tension sleeve pulls the conductor against the current bar by the operation of the clamping screw, this task is taken over by the tension spring at the tension spring clamp.
  • the prestressed tension spring is opened with an actuating tool, such as a screwdriver, so that the conductor can be inserted through a window in the spring leg of the tension spring in the terminal compartment.
  • an actuating tool such as a screwdriver
  • the conductor is pulled by the spring force of the tension spring against the current bar.
  • the terminal housing has a conductor insertion opening and an actuating opening.
  • Electrical terminals are usually connection terminals, so that they have at least two conductor connection elements which are electrically connected to one another via an electrically conductive connection rail, the current bar.
  • connection terminals there are also a variety of different types of terminal blocks that are specially adapted to the particular application. As an example, here double-deck or three-bar terminals and three-wire or four-wire terminals are called, which then each have a correspondingly larger number of conductor connection elements exhibit.
  • terminal blocks which consist of a base terminal and a connector, wherein the base terminal comprises a terminal housing, at least one conductor terminal arranged therein and at least one electrically connected to the conductor terminal member slot.
  • the connector also has at least one conductor connection element and a plug contact electrically connected to the conductor connection element.
  • the base terminal is usually snapped onto a mounting rail and the connector can be plugged by means of its plug contact on a corresponding stretching position of the base terminal.
  • test plug opening for inserting a corresponding test plug is additionally formed in the terminal housing.
  • the test plug opening on the one hand allows the contacting of the electrically conductive components, d. H. the conductor connection element or the current bar inside the terminal housing with the test plug, on the other hand, the leadership and secure fixation of the test plug.
  • Such an electrical terminal is from the EP 0 913 884 A2 known.
  • the conductor insertion opening, the actuating opening and the test plug opening are all three symmetrical to the center plane of the electrical terminal, ie arranged in the middle of the electrical terminal, wherein the fürsteckerö réelle is located centrally between the conductor insertion opening and the actuating opening.
  • an electrical terminal which has a housing with a printed circuit board arranged therein and a plurality of tension spring terminals, which are each connected to the printed circuit board via a busbar.
  • a tension spring clamp is associated with a conductor insertion opening for insertion of a conductor to be connected.
  • an actuating push-button of transparent material is arranged in the housing, which can be pressed into the interior of the housing by means of a tool which can be inserted into the housing through an actuating opening.
  • the actuating handle also has a recess is formed in which a test plug is inserted so that it can contact the tension spring clamp.
  • mini-terminal which has an extremely compact design, d. H. have only a very small width and small length.
  • the invention is therefore an object of the invention to provide an electrical terminal described above, on the one hand allows a scholarabgriff, on the other hand has only a very small size.
  • test plug opening is arranged laterally offset from the center plane of the electrical terminal to the actuating opening.
  • the conductor insertion opening, the operation opening and the test plug opening are each symmetrical to the center plane, d. H. arranged in the middle of the electrical terminal.
  • the test plug opening is located centrally between the conductor insertion opening and the actuating opening. Due to the lateral arrangement of the test plug opening, wherein this is preferably arranged between the conductor insertion opening and the actuating opening, an electrical terminal can be realized with a shortened construction compared to the prior art.
  • the electrical terminal is formed so that the actuating opening and the für Steckerö réelle merge into each other.
  • the one opening is the conductor insertion opening, which forms a part of the second opening, the actuating opening and the other part of the second opening serves as a test plug opening. This will be the Shortened length of the electrical terminal further and beyond the second opening in the terminal housing optimally used.
  • the Fig. 1 to 3 show three different electrical terminal blocks 1, which are plugged together to form a terminal block 2.
  • the individual terminal blocks 1 have a terminal housing 3, in each of which a tension spring clamp 4 and a current bar 5 are arranged.
  • the tension spring 4 is used for electrical contacting of an electrical conductor, not shown here, by the electrical conductor is pulled by the tension spring 4 against the current bar 5.
  • each electrical terminal 1 has a conductor insertion opening 6, an actuating opening 7 and a test plug opening 8. If an actuating tool, for example the tip of a screwdriver, is inserted into the actuating opening 7, the tip of the screwdriver slides between a housing wall 9 and the back 10 of the tension spring clamp 4, whereby a recess formed in the clamping leg 11 of the tension spring clamp 4 is pushed under the conductor insertion opening 6 is, so that a conductor to be connected can be inserted through the conductor insertion opening 6 in the recess of the tension spring 4. If the operating tool is pulled out of the actuating opening 7, then the tension spring clamp 4 springs back, causing the in the Recess inserted conductor is pulled against the current bar 5. The electrical conductor is electrically connected to the terminal 1.
  • an actuating tool for example the tip of a screwdriver
  • the test plug opening 8 is arranged laterally offset from the center plane M at the actuating opening 7.
  • the actuating opening 7 and the scholarsteckerö réelle 8 can be separated by a thin wall 12, as in the middle terminal 1 in Fig. 2 the case is.
  • the actuating opening 7 passes into the test plug opening 8. Since, as a rule, the conductor insertion opening 6 has a substantially round cross-section, the conductor insertion opening 6 and the actuation opening 7 can be arranged closer to one another by the arrangement of the test plug opening 8 offset laterally relative to the median plane M.
  • test plug opening 8 can be selected according to the design of the test plug 13. If the test plug 13 has only a relatively thin cylindrical pin, the test plug opening 8 can be designed as a hole with a small diameter, as in the case of the lower terminal block 1 in FIG Fig. 2 the case is. If, however, a test plug 3 is used with a multi-core contact pin 14, wherein the contact pin 14 then has an approximately square cross section, so the test plug opening 8 is correspondingly approximately square.
  • the width of the transition 15 between the actuating opening 7 and the test plug opening 8 is smaller than the diameter or the width of the test plug 13 or the contact pin 14.
  • the transition 15 between the actuating opening 7 and the test plug opening 8 is limited by projections 16 which protrude into the actuating opening 7. This ensures, on the one hand, that the test plug 13 is guided during insertion into the test plug opening 8 of this, on the other hand prevents the test plug 13 can slide over into the operating opening 7.
  • test plug opening 8 is arranged on the side of the actuating opening 7 facing the conductor insertion opening 6, the test plug opening 8 does not affect the insertion of an actuating tool into the actuating opening 7.
  • Fig. 5 shows an embodiment of an electrical terminal 1, which consists of a base terminal 17 and a connector 18.
  • the base terminal 17 can be latched onto a mounting rail, not shown here, for which purpose corresponding latching elements 20 are formed in the base 19 of the basic terminal 17.
  • the connection of the base terminal 17 with the connector 18 via a formed in the base terminal 17 pin 21 and a connector 18 formed in the socket 22, which is integrally connected to the current bar 5.
  • connector plug 18 which has two tension spring terminals 4 for connecting two electrical conductors, can also in the Fig. 1 to 4 shown electrical terminal blocks 1 are plugged with their sockets 22 on the pin 21 of the base terminal 17.
  • a coding element 23 is arranged on the electrical terminal 1 or on the connector 18, wherein the coding element 23 is connected via thin connecting webs 24, which are formed as predetermined breaking points, with the terminal housing 3.
  • the coding element 23 can be easily separated from the terminal housing 3 by hand and inserted into an opening 25 formed in the base terminal 17.
  • the base terminal 17 can thus be encoded in a simple manner, which ensures that only the "right" connector 18 is connected to the base terminal 17.
  • a plurality of latching elements 26 are formed on the terminal housing 3, which serve to connect the individual electrical terminal blocks 1 with each other.
  • the individual terminal housing 3 are plugged together with the aid of the latching elements 26 and corresponding latching recesses.
  • the terminal housing 3 has a further opening 27 into which a bridge or a short-circuit plug for electrical shorting of two or more adjacent electrical terminal blocks 1 can be inserted.
  • Fig. 6a First, the arrangement of conductor insertion opening 6, 7 actuating opening and test plug opening 8 in a known from the prior art terminal block 1 is shown.
  • the test plug opening 8 is arranged centrally between the conductor insertion opening 6 and the actuation opening 7 and, like the conductor insertion opening 6 and the actuation opening 7, symmetrically to the center plane M.
  • the test plug opening 8 is arranged laterally offset from the center plane M at the actuating opening 7.
  • the conductor insertion opening 6 and the actuating opening 7 is formed as a circular opening.
  • the conductor insertion opening 6 and the actuating opening 7 may be arranged at a smaller distance from each other than in the arrangement according to Fig. 6a the case is, whereby an electrical terminal 1 with in the direction of the median plane M smaller dimensions can be realized.
  • actuation opening 7 and test plug connector opening 8 differ from the arrangement according to Fig. 6b in that the actuating opening 7 and the test plug opening 8 merge into one another.
  • the quasi "overlap" of the actuating opening 7 and test plug opening 8 is indicated by the dashed representation of the non-existent edge of the actuating opening 7 or the test plug opening 8.
  • the actuation opening 7 and the test plug opening 8 are in accordance with the embodiment Fig. 6d square shaped.
  • the shape and size of the test plug opening 8 depends on the shape and size of the test plug 13 used.
  • a further test plug opening 8 is arranged on the actuating opening 7.
  • a terminal 1 with such a configuration thus offers the possibility of different Insert test plug 13 into one of the two test plug openings 8, depending on its cross section.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Measuring Leads Or Probes (AREA)

Claims (7)

  1. Borne électrique, en particulier borne série, comprenant un boîtier de borne (3), au moins un élément de connexion de conducteur disposé dans ce dernier, en particulier une borne à ressort de traction (4) et au moins une barre bus (5), le boîtier de borne (3) présentant au moins une ouverture d'insertion de conducteur (6) pour l'insertion d'un conducteur électrique à connecter, au moins une ouverture d'actionnement (7) pour l'insertion d'un outil d'actionnement pour ouvrir la borne à ressort de traction (4) et au moins une ouverture pour fiche de test (8) pour l'enfichage d'une fiche de test (13), l'ouverture d'insertion de conducteur (6) et l'ouverture d'actionnement (7) étant disposées à chaque fois symétriquement par rapport au plan médian (M) de la borne électrique,
    caractérisée en ce que
    l'ouverture pour fiche de test (8) est disposée de manière décalée par rapport au plan médian (M) de la borne électrique au niveau de l'ouverture d'actionnement (7).
  2. Borne électrique selon la revendication 1, caractérisée en ce que l'ouverture d'actionnement (7) et l'ouverture pour fiche de test (8) se prolongent l'une dans l'autre.
  3. Borne électrique selon la revendication 2, caractérisée en ce qu'un coin de l'ouverture d'actionnement (7) essentiellement rectangulaire est réalisé sous forme d'ouverture pour fiche de test (8).
  4. Borne électrique selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'ouverture pour fiche de test (8) est réalisée sous forme d'un alésage de petite taille par rapport à l'ouverture d'insertion de conducteur (6).
  5. Borne électrique selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'ouverture pour fiche de test (8) est réalisée essentiellement sous forme rectangulaire.
  6. Borne électrique selon l'une quelconque des revendications 2 à 5, caractérisée en ce que la largeur de la transition (15) entre l'ouverture d'actionnement (7) et l'ouverture pour fiche de test (8) est inférieure au diamètre ou à la largeur de la fiche de test.
  7. Borne électrique selon l'une quelconque des revendications 2 à 6, caractérisée en ce que l'ouverture d'actionnement (7) et l'ouverture pour fiche de test (8) sont séparées l'une de l'autre par des saillies (16) limitant la transition (15).
EP02005615A 2001-04-18 2002-03-12 Borne électrique Revoked EP1251590B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20106710U 2001-04-18
DE20106710U DE20106710U1 (de) 2001-04-18 2001-04-18 Elektrische Klemme

Publications (3)

Publication Number Publication Date
EP1251590A2 EP1251590A2 (fr) 2002-10-23
EP1251590A3 EP1251590A3 (fr) 2007-08-22
EP1251590B1 true EP1251590B1 (fr) 2011-08-03

Family

ID=7955899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02005615A Revoked EP1251590B1 (fr) 2001-04-18 2002-03-12 Borne électrique

Country Status (7)

Country Link
US (1) US6736683B2 (fr)
EP (1) EP1251590B1 (fr)
JP (1) JP2002324612A (fr)
CN (1) CN1310378C (fr)
AT (1) ATE519252T1 (fr)
DE (1) DE20106710U1 (fr)
ES (1) ES2369657T3 (fr)

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DE29719177U1 (de) 1997-10-29 1997-12-04 Weidmüller Interface GmbH & Co, 32760 Detmold Reihenklemmenanordnung
DE29802674U1 (de) * 1998-02-17 1998-04-16 Weidmueller Interface Reihenklemme mit isolationsdurchdringendem Leiteranschluß
US6168460B1 (en) * 1998-04-07 2001-01-02 General Electric Company A-base terminal block assembly
US6074241A (en) * 1998-06-05 2000-06-13 The Whitaker Corporation Non-slip spring clamp contact
DE29915512U1 (de) * 1999-09-03 2001-01-18 Weidmüller Interface GmbH & Co., 32760 Detmold Federklemme zum Anschließen elektrischer Leiter
DE29917491U1 (de) 1999-10-05 2001-03-22 Weidmüller Interface GmbH & Co., 32758 Detmold Reihenklemme

Also Published As

Publication number Publication date
JP2002324612A (ja) 2002-11-08
CN1310378C (zh) 2007-04-11
ATE519252T1 (de) 2011-08-15
ES2369657T3 (es) 2011-12-02
EP1251590A2 (fr) 2002-10-23
CN1384562A (zh) 2002-12-11
DE20106710U1 (de) 2001-08-09
EP1251590A3 (fr) 2007-08-22
US20020155760A1 (en) 2002-10-24
US6736683B2 (en) 2004-05-18

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