EP3028345B1 - Kontaktelement für eine steckanordnung eines insbesondere aussen geführten bussystems - Google Patents

Kontaktelement für eine steckanordnung eines insbesondere aussen geführten bussystems Download PDF

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Publication number
EP3028345B1
EP3028345B1 EP14737273.4A EP14737273A EP3028345B1 EP 3028345 B1 EP3028345 B1 EP 3028345B1 EP 14737273 A EP14737273 A EP 14737273A EP 3028345 B1 EP3028345 B1 EP 3028345B1
Authority
EP
European Patent Office
Prior art keywords
contact element
electrical
receiving
bus system
tulip
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.)
Active
Application number
EP14737273.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3028345A1 (de
Inventor
Stefan Aporius
Bernd Van Giesen
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface 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
Application filed by Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP3028345A1 publication Critical patent/EP3028345A1/de
Application granted granted Critical
Publication of EP3028345B1 publication Critical patent/EP3028345B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01R25/145Details, e.g. end pieces or joints
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7088Arrangements for power supply
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • H01R13/113Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • 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
    • H01R25/16Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
    • H01R25/161Details
    • H01R25/162Electrical connections between or with rails or bus-bars
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • H01R27/02Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
    • 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7082Coupling device supported only by cooperation with PCB
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/02Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter

Definitions

  • the invention relates to a contact element, which is provided for electrically connecting electrical connection elements of an externally guided bus system, in particular busbars and / or connectors.
  • bus systems are required to ensure the electrical supply and electrical signals to spatially distributed electrical components.
  • electrical components are, for example, electrical devices that ensure the electrical supply, such as power supplies and line filters, especially for frequency converter and servo controller.
  • other electrical devices can be connected to such a bus system.
  • the electrical connections in particular in the form of busbars, are preferably routed outside the electrical components.
  • the tap of the electrical supply and the electrical signals at any point of the bus system is very easily possible.
  • the publication DE 20 2013 102 303.5 discloses a serial device arrangement with such a bus system.
  • the series module arrangement comprises a plurality of series components, which can be connected to one another on a mounting base, in particular a mounting rail.
  • the series components have an electronics housing and an electrical assembly with electrical components, which is preferably arranged on a printed circuit board and in the electronics housing.
  • they In order to connect the electrical module to the externally guided bus system, they each have a plug-in arrangement with a contact element.
  • the contact element is designed as a clamping spring and S-shaped, so that it has a first receiving tulip for connecting a busbar and a second receiving tulip for connection to the electrical assembly.
  • An H-shaped contact element with a relatively complicated structure is of the generic type WO 2006/091196 A known.
  • U-shaped contact elements show the US 4,552,799 A and the DE 10 2007 017 593 A ,
  • the object of the invention is to provide an alternative contact element which allows the connection of an electrical device, in particular a series module, to an externally routed bus system, and which is more versatile than the known contact element and is even better suited for power currents. It is also intended to create an electrical device, in particular a series component, with such a contact element.
  • a contact element which is provided for the electrical connection of electrical connection elements of an externally guided bus system, in particular busbars and / or connectors, and which has at least three receiving tulips for receiving the electrical connection elements and the W-shaped.
  • two receiving tulips are available for receiving connecting elements, preferably the bus system, in particular busbars.
  • a receiving tulip is provided in each case for receiving a connecting element, in particular for receiving one end of a busbar, so that for contacting the connecting element, a large contact surface is available, whereby more contact points are possible and the contact element is particularly well suited for power currents.
  • the receiving tulips are also alternately accessible either from a first direction or from a second direction opposite to the first direction.
  • the receiving tulips accessible from the first direction for connecting the connecting elements of the bus system are provided, and which is accessible from the second direction receiving tulip for connecting an electrical assembly is provided.
  • contact elements with more than three tulips. It is preferred that at least two of the receiving tulips are provided for connection of the bus system.
  • the contact element according to claim 1 is further made of a material having good electrical conductivity so that it conducts electric current well. It is preferably made as a stamped and bent part, preferably as a one-piece stamped and bent part. Particularly preferably, the contact element is made of a strip material, for example of a highly conductive sheet, preferably of copper. Also preferably, it has good spring properties, so that it bends when inserting electrical connection elements against a restoring force, and how a clamping spring acts. As a result, arranged in the receiving spaces connecting elements are clamped in the contact element.
  • the receiving tulips each have two longitudinal legs, between which the receiving tulip is arranged.
  • the longitudinal legs are preferably interconnected by transverse legs.
  • contacting means are provided on the longitudinal legs.
  • embossments which are raised in the receiving tulip or punch-outs are preferred as the contacting means, so that the longitudinal limbs are at least partially lamellar.
  • the contact element is manufactured in one piece. In this embodiment, it is particularly inexpensive to produce and very quick and easy to install as a single component.
  • the contact element is made of a plurality of receiving divan parts.
  • preferably identical receiving hood parts are used for the same contact element.
  • the receiving hood parts are each U-shaped.
  • a contact element with three tulips preferably made of three receiving tulle parts.
  • the receiving hood parts are connected to each other by tulip connectors.
  • a contact element with three receiving tulips is made from two receiving tulle parts with a tulip connector, a contact element with five receiving tulips from three receiving tulle parts with two tulip connectors.
  • n recessed tulips therefore, always n - 1 recessed hood parts and n - 2 tulip connectors are required.
  • the tulip connectors are preferably also approximately U-shaped, but may be made of a less expensive material.
  • an arbitrarily large contact element can be produced from such receiving tulip parts.
  • the tulip connectors can also be used for joining a plurality of contact elements with a plurality of recessed tulips.
  • the contact element comprises an over-spring, for example made of steel.
  • the over-spring is provided for exerting a clamping force on the contact element, which preferably acts in and against a clamping direction.
  • the clamping direction preferably extends transversely to the first and / or second direction.
  • the over-spring therefore supports the contact element or the restoring force acting on a connecting element which is arranged in the contact element. It is preferred that the over-spring in cross-section is approximately U-shaped.
  • the object is further achieved with a plug arrangement with a contact element and at least one electrical connection element which is provided for electrically connecting the contact element to an electrical assembly.
  • an electrical connection element is for example a connector.
  • the plug arrangement also comprises at least two electrical connection elements of an externally guided bus system, in particular two busbars.
  • the busbars are preferably arranged in alignment with each other and jammed in the same receiving tulip.
  • the receiving tulips accessible from the first direction are each usable for a bus line.
  • the busbars each added to a receiving tulip of the contact element. This requires two recessed tulips for the same bus. But the contact surface with the busbars is larger, so that the arrangement is particularly suitable for power currents.
  • the plug arrangement preferably comprises a housing in which the contact element is arranged.
  • the housing is intended primarily as a contact protection for an operator.
  • the object is further achieved with an electrical device, in particular with a series component.
  • the electrical device preferably comprises an electrical assembly as well as a plug arrangement, which is provided for the electrical connection of the electrical assembly to the externally guided bus system, and which comprises a contact element according to the invention.
  • Fig. 1 shows a first embodiment of an electrical contact element.
  • the electrical contact element 1 is made of a conductive sheet material. As a result, it is resilient and has a restoring force. It is in one piece as a stamped and bent part and therefore manufactured very inexpensively.
  • W-shaped or approximately W-shaped means that two receiving tulips 11, 13 are accessible from a first direction 71, while the third receiving tulip 12 is accessible from a second direction 72 opposite the first direction 71 and that of the second Direction 72 from accessible receiving tulip 12 between the two of the first direction 71 from accessible receiving tulips 11, 13 is arranged.
  • the receiving tulips 11, 12, 13 are each arranged between two longitudinal limbs 18 of the contact element 1, which are interconnected by transverse legs 19.
  • the transverse legs 19 are formed here approximately arcuate.
  • the longitudinal legs 18 are deflectable apart against the restoring force against a clamping direction 73 which extends transversely to the first direction 71.
  • electrical connecting elements 3, 4 are therefore jammed with the restoring force in the contact element 1.
  • the contact element 1 has open ends 16 at two outer longitudinal limbs 18, while two inner longitudinal limbs 18 each delimit two adjacent receiving tulips 11, 12, 13 accessible from the opposite directions 71, 72.
  • contact means 17 are provided, which are formed here as in the receiving tulips 11, 12, 13 protruding into imprints.
  • the receiving tulips 11, 12, 13 are provided for receiving the electrical connection elements 3, 4. It is preferred that the two receiving tulips 11, 13 accessible from the first direction 71 are provided for receiving busbars 3 as electrical connecting elements which form one or two bus lines 31, 32, 33, 34 of a bus system 30 (see FIG. Fig. 3 . 4 ). In this embodiment, two of the bus lines 31, 32 and 33, 34 each have the same electric potential.
  • the receiving tulip 12, which is accessible from the second direction 72, is preferably provided for receiving an electrical connecting element 4 which connects the busbars 3 to an electrical assembly of an electrical appliance 101 (see FIG. Fig. 5 ), in particular a series module, connects. This electrical connection element is preferably designed as a connector 4.
  • the contact element 1 is arranged in a housing 106.
  • it is modular insertable as plug-in arrangement 100 in such an electrical device 101.
  • Such a plug assembly 100 show the Fig. 1 (b) schematically and the Fig. 5 ,
  • Fig. 1 (c) is the contact element 1 with an over-spring 2, which is made for example of steel shown.
  • the over-spring 2 is approximately U-shaped in cross-section and has two open Studentsfederenden 22.
  • a kink 21 is provided on overspring longitudinal legs 23 in each case.
  • the over-spring legs 23 are connected to each other by means of a Studentsfederquerschenkels 24, so that the over-spring 2 can be bent apart against a restoring force against a clamping direction 73.
  • the kinks 21 are just formed so that at the open Studentsfederenden 22 each have a web 25 in or against the clamping direction 73 extends.
  • the Fig. 1 (d) and (e) show a further embodiment of a contact element 1 with the over-spring 2 on the one hand in a perspective and on the other in an exploded view.
  • the receiving tulip accessible from the second direction 72 12 is also accessible when arranged on the contact element 1 over spring 2
  • the over-spring 2 has a passage opening 26.
  • the passage opening 26 is arranged in the over-spring transverse leg 24 and extends partially into the over-spring leg 23.
  • the Studentsfederquerschenkel 24 is therefore formed here by two Matterfederquerstege 241.
  • the transverse legs 19 of the contact element 1 arranged on the side 28 facing the overspring 2 are narrower than the remaining contact element 1.
  • a tongue 27 which is formed bent at an open tongue end 271 so that it forms a tongue bridge 272.
  • One of the tongue webs 272 extends into, the other tongue bridge 272 extends against the clamping direction 73rd
  • the contact element 1 When arranged on the contact element 1 over spring 2, the contact element 1 is compressed with the webs 25 and the tongue webs 272 with the restoring force of the over-spring 2.
  • the over-spring 2 supports the contact element 1 when jamming the electrical connection elements 3, 4 in the receiving tulips 11, 12, 13th
  • Fig. 2 shows in (a) a contact element 1 with five receiving tulips 11, 12 ... 15, of which three 11, 13, 15 of the first direction 71 and two 12, 14 are accessible from the second direction 72 from. Also this contact element 1is manufactured in one piece as a stamped and bent part.
  • the three receiving tulips 11, 13, 15 accessible from the first direction 71 are for receiving busbars 3
  • the two receiving tulips accessible from the second direction 72 are provided for receiving connectors 4 for contacting the electrical assembly , But it is also preferred a reverse arrangement.
  • Fig. 2 (b) shows a contact element 1 with punched holes, which are respectively provided on the longitudinal limbs 18, so that they are at least partially formed lamellar.
  • the punched holes are smaller in the central longitudinal limbs 18 formed as in the outer longitudinal limbs 18 in order to increase the current carrying capacity of the contact element 1.
  • Fig. 3 shows an arrangement of a total of four such contact elements 1 of Fig. 2 (b) and busbars 3.
  • the busbars 3 are arranged in alignment with each other, so that in each case two busbars 3 in the same receiving tulip 11, 13 ends.
  • the busbars 3 here form four bus lines 31, 32, 33, 34 of a bus system 30, wherein in each case two of the bus lines 31, 32 and 33, 34 lead the same electrical potential.
  • Fig. 4 take the receiving tulips 11, 13 in each case only one busbar 3.
  • a formed between the busbars 3 and the longitudinal legs 18 of the contact elements 1 contact surface in comparison to the use of Fig. 3 greater.
  • the four contact elements 1 therefore only lead two bus lines 31, 32 of the bus system 30. This arrangement is particularly suitable for power currents.
  • Fig. 5 shows an arrangement 10 of two electrical devices 101, which are formed as series modules and arranged here next to each other.
  • series component and electrical appliance 101 are used synonymously.
  • the series components 101 each have a plug-in arrangement 100, which comprises an electrical contact element 1, which is surrounded by a housing 106.
  • the housing 106 is provided as a contact protection for an operator.
  • the plug assemblies 100 are each modular in their series module 101 joined.
  • the series components 101 each have electrical components which in this case comprise electrical circuit boards 103.
  • electrical connectors 104 are provided which are soldered to the printed circuit boards 103 and have a plug (not visible).
  • the solder connectors 104 are provided as connecting elements to the electrical circuit board 103 with the contact element 1 and via the contact element 1 with the Bus system 30 to connect. On the side of the contact element 1 they are designed as a plug (not visible).
  • the bus system 30 of the illustrated exemplary embodiment comprises four bus lines 31, 32,... 34. These are each formed from bus bars 3 joined to one another in abutment.
  • the plug-in arrangements 100 preferably each have two contact elements 1 each with three receiving tulips 11, 12, 13 (see FIG. Fig. 1 (b) ), so that each two bus lines 31, 32, ... 34 carry the same voltage potential.
  • plug-in arrangements 100 are also conceivable which have a contact element 1 with seven receiving tulips 11, 12 ... (not shown), so that all the bus lines 31, 32,... 34 carry the same voltage potential.
  • wall attachments 105 are provided here as fastening means, in each case on the housings 102 of the two series components 101.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connecting Device With Holders (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
EP14737273.4A 2013-07-31 2014-07-11 Kontaktelement für eine steckanordnung eines insbesondere aussen geführten bussystems Active EP3028345B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013103444.4U DE202013103444U1 (de) 2013-07-31 2013-07-31 Kontaktelement für eine Steckanordnung eines insbesondere außen geführten Bussystems
PCT/EP2014/064921 WO2015014591A1 (de) 2013-07-31 2014-07-11 KONTAKTELEMENT FÜR EINE STECKANORDNUNG EINES INSBESONDERE AUßEN GEFÜHRTEN BUSSYSTEMS

Publications (2)

Publication Number Publication Date
EP3028345A1 EP3028345A1 (de) 2016-06-08
EP3028345B1 true EP3028345B1 (de) 2019-01-30

Family

ID=51167908

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14737273.4A Active EP3028345B1 (de) 2013-07-31 2014-07-11 Kontaktelement für eine steckanordnung eines insbesondere aussen geführten bussystems

Country Status (6)

Country Link
US (3) US20160164235A1 (ja)
EP (1) EP3028345B1 (ja)
JP (1) JP6454339B2 (ja)
CN (1) CN105474469B (ja)
DE (1) DE202013103444U1 (ja)
WO (1) WO2015014591A1 (ja)

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JP6454339B2 (ja) 2019-01-16
US10050394B2 (en) 2018-08-14
EP3028345A1 (de) 2016-06-08
WO2015014591A1 (de) 2015-02-05
DE202013103444U1 (de) 2014-11-04
JP2016525782A (ja) 2016-08-25
CN105474469A (zh) 2016-04-06
US20180183196A1 (en) 2018-06-28
US20170288328A1 (en) 2017-10-05
US20160164235A1 (en) 2016-06-09
CN105474469B (zh) 2018-09-18

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