EP2456011A2 - Composant de pince électrique - Google Patents

Composant de pince électrique Download PDF

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Publication number
EP2456011A2
EP2456011A2 EP11009250A EP11009250A EP2456011A2 EP 2456011 A2 EP2456011 A2 EP 2456011A2 EP 11009250 A EP11009250 A EP 11009250A EP 11009250 A EP11009250 A EP 11009250A EP 2456011 A2 EP2456011 A2 EP 2456011A2
Authority
EP
European Patent Office
Prior art keywords
conductor
openings
busbar
contact
clamping
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.)
Granted
Application number
EP11009250A
Other languages
German (de)
English (en)
Other versions
EP2456011B1 (fr
EP2456011A3 (fr
Inventor
Frank Hartmann
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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 Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP2456011A2 publication Critical patent/EP2456011A2/fr
Publication of EP2456011A3 publication Critical patent/EP2456011A3/fr
Application granted granted Critical
Publication of EP2456011B1 publication Critical patent/EP2456011B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/08—Short-circuiting members for bridging contacts in a counterpart
    • H01R31/085—Short circuiting bus-strips

Definitions

  • the invention relates to an electrical terminal component with an insulating housing, a built-in insulating the busbar and at least one clamping spring, which are arranged to form terminal points for electrical conductors on the busbar.
  • the invention further relates to a transverse jumper for such an electrical terminal component and a contact spring semi-finished product in the form of a spring plate extending in a longitudinal direction.
  • Terminal components with clamping springs for connecting electrical conductors are known in many ways.
  • the terminal components can be used as hunt connections for potential distribution.
  • DE 101 03 145 C1 discloses a terminal block for electrical distribution with a conductor rail and a plurality of connection elements for the connection of conductors to be connected to the conductor rail.
  • the conductor rail may be formed as an angled busbar with openings for the introduction of conductors to be connected. Clamping springs are respectively suspended in the apertures, wherein a plurality of apertures are arranged along the length of the conductor rail section in order to form a single-row terminal component.
  • DE 199 18 842 B4 discloses a multi-row hunt group for electrical distribution systems, in which two L-shaped insulating material interleaved nested are.
  • the busbars of the two rows are not electrically connected to each other.
  • the busbars have a cage tension spring for receiving an electrical conductor with a large cross section and adjoining leaf spring tongues for clamping conductors with a smaller cross section.
  • DE 199 34 555 C1 shows a terminal block for electrical distribution with arranged along a series Federklemman untiln for receiving conductors with a small cross-section and a fferklemman gleich for clamping a conductor with a large cross-section.
  • Comparable collection connection strips are also from the DE 199 40 971 B4 .
  • DE 41 32 407 A1 discloses a hunt group for electrical distribution systems in which a bus bar is divided into an upper deck and a lower deck which are substantially parallel to each other. Cage tension springs are suspended in two rows one above the other on the busbar of the upper and lower decks. In addition, cage tension springs larger scale are suspended only on the lower deck, these cage tension springs occupy the space actually intended for the upper deck.
  • the busbar has a flat busbar region, in which at least four each projecting from the planar busbar side walls and a projecting from the flat busbar region and a Clamp contact point for contacting a contact wall containing electrical conductor enclosed lead through openings are introduced, wherein two conductor leadthrough openings in the longitudinal extension direction of the conductor leadthrough openings in succession and at least two such pairs of successively arranged conductor leadthrough openings in over the narrow side of the conductor leadthrough openings extending width direction are juxtaposed.
  • the electrical terminal component thus makes use of the per se known drafting technique for spring terminal connections, which allows a direct plug electrical conductors without prior actuation of the clamping springs. It was recognized that material passages can also be realized relatively close to each other adjacent to side walls lying side by side. Such material passages are produced by deep-drawing, wherein the adjacent to the material passage flat busbar area must rest firmly on a thrust bearing of a thermoforming stamp. Despite these requirements, it has been found that such conductor leadthrough openings in the form of a material passage can be realized close to one another.
  • terminal contact points are to be formed on the contact walls. It has been found that even with successively arranged conductor leadthrough openings, such terminal contact points can be introduced. This is particularly possible when a common clamping spring with opposing clamping legs with the opposite contact walls of a pair of successively arranged conductor lead-through openings cooperates.
  • the contact walls of the pair of successively arranged conductor leadthrough openings are then accessible to a tool, for example, a terminal terminal by attaching to form a transverse edge.
  • a transverse edge then protrudes from a perpendicular to the flat busbar region, which bears against the inside of the contact wall above the terminal contact point, in the direction of the conductor leadthrough opening.
  • At least one pair of conductor lead-through openings arranged one behind the other can each be separated from one another by a web in the plane of the busbar. Then two completely independent conductor lead-through openings are arranged one behind the other and separated from one another by the web and possibly by end walls adjoining the web at the end faces of the conductor lead-through openings. In such an embodiment, the stability of the busbar and the current-carrying cross section is increased.
  • bridging contact openings for receiving and contacting transverse bridging elements are provided on the plane of the busbar having the conductor leadthrough openings. Characterized in that the bridge contact openings are placed on the same busbar plane together in the conductor lead-through openings, electrical conductors and jumpers can be inserted from the same side in the electrical terminal component. This facilitates handling, in particular, when the electrical terminal component is installed in a control cabinet.
  • the bridge contact openings can be arranged on a plane which is angled by a maximum of 20 ° from the conductor bushing openings having the level of the busbar. By bending the busbar, a reduction in height can be achieved because the contact point for the jumper set lower becomes.
  • material tabs protrude downwards from the plane of the busbar in the insertion direction of a jumper.
  • an insertion funnel is advantageously formed for insertion of the transverse bridge.
  • already available busbar material is used to form the material lables without additional material must be provided. As a result, the necessary height of the electrical terminal component is advantageously reduced.
  • the terminal contacts of the bridge are preferably designed as spring contacts with two spaced apart by a slot spring arms.
  • a jumper for such an electrical terminal device having an electrically conductive crosspiece and at least two outgoing from the crosspiece, spaced-apart contact arms.
  • the cross bar is bent away from the Clearreckurigsachse the contact arms and is at an acute angle to the contact arms.
  • the cross section is thus not as usual above the contact arms on the same plane, but is bent back so that the plane of the crosspiece extends parallel to the plane of the contact arms.
  • the space next to the contact arms is used to hold the crossbar.
  • the clamping springs each have a spring bow and at least two pairs of opposing clamping portions which adjoin the common spring bow and each cooperate with one of the two opposite contact walls of a pair of conductor lead-through openings arranged one behind the other.
  • adjacent to the clamping legs each at the two opposite contact walls of a successively arranged pair of conductor lead-through openings adjacent electrical conductors with the two clamping legs.
  • Juxtaposed clamping legs of two adjacent pairs of clamping legs of the common clamping spring are separated by a free space.
  • Such a clamping spring with at least four clamping legs can be manufactured inexpensively and in particular handle well. Above all, in the closely juxtaposed conductor lead-through openings, such a clamping spring can be easily inserted into the conductor lead-through openings by machine.
  • a particular advantage of this type of clamping springs is also that the available clamping force is best distributed to the electrical conductors.
  • the diagonally opposite clamping portion also contributes to apply a clamping force on the electrical conductor.
  • clamping spring of the remaining clamping leg contributes by means of the common spring bow for applying a clamping force on the electrical conductors.
  • the electrical terminal component for use of the electrical terminal component as a potential distributor, it is advantageous to provide at least one clamping point with a larger cross-section.
  • the width of the individual conductor leadthrough opening together with the side leadthrough defining the conductor leadthrough opening corresponds to the width of two mutually adjacent pairs of conductor leadthrough openings together with the side webs delimiting this.
  • the division ratio is maintained, allowing a flexible modular design and a free configuration by the user, and with the help of individual conductor passage opening allows the clamping of an electrical conductor with a larger cross-section.
  • the insulating material housing of the electrical terminal component preferably has two mutually opposite recessed grips on the outside.
  • the terminal device can be well captured and z. B. put on a mounting rail or a carrier in a cabinet and / or to lock.
  • a mounting rail holder can be integrated into the insulating housing at the bottom or it is also conceivable to provide an intermediate element as a mounting rail holder and to connect the insulating material housing with this intermediate element.
  • a particularly inexpensive, easy to handle realization of the clamping spring can be achieved with a contact spring semi-finished product in the form of a spring plate extending in a longitudinal direction.
  • the contact spring semi-finished product has a material region in the longitudinal direction, which forms a continuous spring arc. Transverse to the longitudinal direction are provided from the continuous material region to the side edges extending material tongues, which form a plurality of spaced apart from each other by a free space contact portions. From such a contact spring semi-finished spring contact springs with any number, preferably two or more, of pairs of weg cruder contact sections are cut to length.
  • adjacent terminal components can be combined to form a modular busbar, in particular by interconnecting a plurality of different terminal components. Due to the division-bound modularity, a flexible, cost-effective machine production of different modules is possible.
  • FIG. 1a allows a top view of a first embodiment of an electrical terminal device 1 recognize.
  • the terminal device 1 has an insulating housing 2 formed of two housing parts 2a and 2b.
  • a single conductor insertion opening 3 and adjacent thereto an actuating opening 4 is introduced, which lead to a spring terminal point.
  • two conductor insertion openings 3, each with actuating openings 4 adjoining thereto, are provided in the direction of the depth T closely one behind the other.
  • a further pair of such conductor insertion openings 3 with associated actuation openings 4 in the direction of the width B is provided.
  • a bridge insertion opening 5 for inserting a transverse bridge 6 into the insulating housing 2 is located in each housing half.
  • pairs of conductor insertion openings 3 arranged one behind the other in the usual insertion angle of a maximum of 45 ° to the perpendicular to a busbar extend in opposite directions from one another.
  • the electrical conductors are obliquely introduced from the front and for the rear conductor insertion openings obliquely from the rear for the front conductor insertion openings 3, so that the intermediate actuating openings 4 remain accessible.
  • FIG. 1b shows a side view of the first housing half 2a. It is clear that in the second housing half 2a of the insulating housing 2, a bus bar 7 is introduced with a flat busbar region. This busbar 7 has in the direction of the depth T successively arranged conductor leadthrough openings 8a, 8b, which are enclosed by the second housing half 2b and are aligned with the conductor insertion openings 3 arranged one behind the other.
  • a single central conductor lead-through opening 9 is provided for the single conductor insertion opening 3 in the first housing half 2a.
  • the conductor leadthrough openings 8a, 8b and 9 are configured as a material passage in the flat busbar region of the busbar 7 and each have spaced apart from the planar busbar region down preferably vertically projecting side walls 10 and at one end of the conductor bushing openings 8a, 8b, 9, a contact wall 11 with a terminal terminal for contacting an electrical conductor.
  • the terminal terminal 12 is formed in the illustrated embodiment by imagining the lower edge region of the contact wall 11 in the direction of opposite end wall 13. The terminal terminal 12 thus protrudes in the plan view of the busbar 7 through the conductor opening 8a, 8b, 9 seen in the conductor opening, so that an electrical conductor enters the smallest possible area only with the terminal pad 12 in contact.
  • the clamping force of each inserted into the conductor bushing openings 8 a, 8 b, 9 each clamping spring 14 is thus concentrated on the terminal 12 and thus optimizes the contact force for the electrical conductor.
  • the clamping point with a single clamping spring 14th realized, which is hooked into the single leadthrough opening 9.
  • the clamping spring 14 has in a conventional manner a plant leg 15, an adjoining spring bow 16 and a clamping leg 17 which rests in the idle state without plugged electrical conductor to the contact wall 11 above the terminal terminal 12.
  • a bridge shaft 5 for a transverse jumper is provided in the rear area in order to transmit voltage potential by means of a jumper from a terminal component 1 to an adjacent terminal component.
  • a bridge contact opening 18 is introduced, which is aligned with the bridge shaft 5 and is provided to electrically contact a transverse bridge with the busbar 7.
  • the inscription receptacle can have latching elements for latching separate inscription labels in a manner known per se.
  • Figure 1c leaves a side view of the second housing half 2b on the contact surface to the first housing half 2a according to FIG. 1b ) detect.
  • the in the Figure 1c ) visible page will be on the in the FIG. 1b ) visible side attached.
  • 2b dowel pins 20 projecting, which dive into corresponding pass holes 21.
  • FIG. 2 allows a perspective view of the busbar 7 with clamping springs 14, 22 inserted thereon. It is clear that in the single leadthrough opening 9 in the first housing half 2a a single clamping spring 14 is provided to form a single terminal terminal for an electrical conductor. The width of this conductor terminal is significantly wider than the width of the arranged in two columns and two rows conductor lead-through openings 8a, 8b, 8c, 8d in the adjacent part of the bus bar 7, which are accommodated in the second housing half 2b.
  • a U-shaped bent clamping spring 22 with four adjoining a common spring bow 23 clamping legs 24 are inserted into the four conductor lead-through openings 8a to 8d. These four conductor leadthrough openings 8a-8d thus use four terminal legs 24 of the same clamping spring 22 for connecting four electrical conductors independently of each other.
  • the adjacent clamping legs 24 extending in the same direction 24 of the four-compartment clamping spring 22 are each spaced apart by a clearance and on the same side of the spring bow 23 integrally connected thereto.
  • the clamping legs 24 preferably converge conically from the spring bow 23 towards its free end and are folded over along their length several times in order to optimize the clamping force and the conductor insertion force.
  • bridge contact openings 18 Seen in the direction of the depth T of the busbar 7, behind a pair of conductor leadthrough openings 8a, 8b or 8c, 8d lying one behind the other, bridge contact openings 18 are provided on a flat busbar region of the busbar 7.
  • the bridge contact openings 18 are arranged on a plane which is angled by a maximum of 20 ° from the conductor bushing opening 8a, 8b, 8c, 8d and 9 having plane of the busbar. In the illustrated embodiment, the angulation is about 15 °.
  • FIG. 3 leaves a top view of the busbar 1 for the electrical terminal device 1 from the FIGS. 1 and 2 detect. It is clear that in a partial region of the busbar 7 in a matrix-like manner in two columns and z. B., as shown, two rows each two conductor bushing openings 8a, 8b and 8c, 8d in succession and at least two such pairs 8a, 8b and 8c, 8d arranged in over the narrow side of the conductor bushing openings 8a, 8b, 8c, 8d extending width direction B side by side are.
  • the contact walls 11 of the conductor openings 8a, 8b, 8c, 8d arranged in the manner of a matrix are arranged at the front or rear side in the direction of the depth T, respectively.
  • a web 25 is provided, so that the conductor lead-through openings 8a, 8b, 8c, 8d is completely enclosed in each case with circumferential, the material passage forming walls, wherein the walls of the busbar. 7 protrude down.
  • the web 25 with the adjoining end walls 13 may be omitted, so that the side walls 10 of the successively arranged conductor lead-through openings 8a, 8b and 8c, 8d merge into each other to form a single opening for two terminal points.
  • FIG. 4 allows a side view of the busbar 7 recognize. It is clear that the single conductor leadthrough opening 9 has a greater depth than the smaller, successively arranged conductor leadthrough openings 8a, 8b or 8c, 8d. The material passage of the conductor lead-through openings is also clear in such a way that walls projecting from the busbar 7 and which are formed from the side walls 10, the contact wall 11 and the end wall 13 protrude downwards, which provide a guide channel for an electrical conductor.
  • FIG. 5 shows a side view of the clamping spring 22, for insertion for the one behind the other and side by side conductor lead-through openings 8a, 8b, 8c, 8d is provided. It is clear that two clamping legs 24 point from a common spring bow 23 in the opposite direction obliquely downward.
  • FIG. 6 leaves a top view of the clamping spring 22 FIG. 5 detect. It is clear that not only two clamping legs 24 point away from each other at a common spring bow 23, but that a plurality of such pairs of clamping legs 24, while leaving a free space integral with the same spring bow 23 are connected.
  • the clamping spring 22 can be used for clamping four electrical conductors by means of four behind and juxtaposed conductor lead-through openings 8a to 8d. Conceivable are other alternatives with three, four, five or more pairs of clamping legs 24, which are arranged opposite one another on a common spring bow 23.
  • clamping spring 22 can be made of a spring steel strip in quasi endless production, the number of spring pairs with common spring bow 23 is optionally cut to length.
  • FIG. 7 leaves a perspective view of the busbar 7 FIGS. 3 and 4 recognize with a transverse bridge 26 inserted in a bridge contact opening 18.
  • the transverse bridge 26 has two out of a transverse web 27 in the same direction outgoing and spaced contact arms 28a, 28b.
  • the contact arms 28a, 28b are arranged on the same plane as the transverse web 27. It can be seen that the contact arms 28a, 28b are each formed from two spring arms 29a, 29b, which are spaced apart leaving a free space and are integrally connected to the transverse web 27 in the upper region.
  • the spring arms 29a, 29b are freely movable by their free ends and can be compressed when inserted into the bridge contact opening 18, to abut with the side edges fixed to the inner narrow side walls of the bridge contact opening 18. To shift the contact point as far down as possible, to increase the contact surface and for improved introduction of the transverse bridge material baffles 30 are bent at the narrow edges of the bridge contact openings down.
  • FIG. 8 leaves a side view of the transverse jumper 26 FIG. 7 recognize in a preferred embodiment. It is clear that the transverse web 27 is bent by 180 degrees and extends with its free end back down in the direction of the free ends of the contact arms 28. In this way, the height required for the transverse jumper 26 is further reduced.
  • FIG. 9 shows a plan view of a second embodiment of an electrical terminal device, in which eight conductor insertion openings are provided. For this purpose, two identical housing halves 2b are joined together.
  • FIG. 10 In these housing halves 2b is in FIG. 10 installed in the plan view busbar 7 installed. It can be seen that the bus bar has four pairs of conductor lead-through openings 8a to 8h arranged one behind the other. In these conductor lead-through openings, two of the in FIG. 6 sketched four-fold springs are used. It is also conceivable to use an eight-fold spring, in which case the distances of the pairs of conductor lead-through openings 8a to 8h would have to be constant.
  • FIG. 11 allows a top view of a third embodiment of an electrical terminal device 1 recognize.
  • a large cross-section conductor terminal is on the left side and thereafter two housing halves 2b in the embodiment of FIG FIG. 9 intended.
  • the conductor lead-through openings 8a to 8h and the large conductor lead-through opening 9 are incorporated in a common busbar 7, as is apparent from FIG. 12 can be seen in the plan view of the busbar 7.
  • a fourth embodiment of the electrical terminal device 1 is in the figure 13 outlined, which shows a plan view of the terminal component 1. It becomes clear that a conductor connection with a larger cross section is provided on each of the right and left outer sides, for which the larger half 7a is used. In the interim, a four-compartment conductor connection is realized with the housing half 2b.
  • busbar 7 with the conductor bushing openings is in the plan view in the FIG. 14 to recognize.
  • the pitch of the busbar areas for the housing halves is such that the width of the individual conductor leadthrough opening 9 together with the conductor opening limited lateral webs of the width of two juxtaposed pairs of conductor bushing openings 2a, 2b and 2c, 2d together with this limiting side webs equivalent.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
EP11009250.9A 2010-11-22 2011-11-22 Composant de pince électrique Active EP2456011B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010051899.9A DE102010051899B4 (de) 2010-11-22 2010-11-22 Elektrisches Klemmenbauelement

Publications (3)

Publication Number Publication Date
EP2456011A2 true EP2456011A2 (fr) 2012-05-23
EP2456011A3 EP2456011A3 (fr) 2012-08-15
EP2456011B1 EP2456011B1 (fr) 2016-10-26

Family

ID=45065595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11009250.9A Active EP2456011B1 (fr) 2010-11-22 2011-11-22 Composant de pince électrique

Country Status (4)

Country Link
US (1) US8491327B2 (fr)
EP (1) EP2456011B1 (fr)
CN (1) CN102544778B (fr)
DE (1) DE102010051899B4 (fr)

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WO2015155092A1 (fr) * 2014-04-08 2015-10-15 Phoenix Contact Gmbh & Co. Kg Ressort à branches

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DE202019104688U1 (de) 2019-08-27 2020-12-01 Wago Verwaltungsgesellschaft Mbh Kontakteinsatz einer Leiteranschlussklemme und Leiteranschlussklemme
TWI754391B (zh) * 2020-09-25 2022-02-01 陳贊棋 兩點一線穩固定位之壓入式端子及其連接器
DE102020008160A1 (de) 2020-11-25 2022-08-04 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme in Form eines Verteilerklemmenblocks
DE102020128775B4 (de) 2020-11-25 2022-06-23 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme in Form eines Verteilerklemmenblocks
DE102022103633A1 (de) 2022-02-16 2023-08-17 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Leiteranschlussklemme

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Also Published As

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EP2456011B1 (fr) 2016-10-26
US8491327B2 (en) 2013-07-23
CN102544778A (zh) 2012-07-04
EP2456011A3 (fr) 2012-08-15
DE102010051899A1 (de) 2012-05-24
CN102544778B (zh) 2015-11-25
DE102010051899B4 (de) 2015-03-26
US20120196459A1 (en) 2012-08-02

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