EP2293387A1 - Elément de raccordement combiné pour le raccordement de conducteurs électriques - Google Patents

Elément de raccordement combiné pour le raccordement de conducteurs électriques Download PDF

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Publication number
EP2293387A1
EP2293387A1 EP09011287A EP09011287A EP2293387A1 EP 2293387 A1 EP2293387 A1 EP 2293387A1 EP 09011287 A EP09011287 A EP 09011287A EP 09011287 A EP09011287 A EP 09011287A EP 2293387 A1 EP2293387 A1 EP 2293387A1
Authority
EP
European Patent Office
Prior art keywords
clamping
screw
connection
combination
spring
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.)
Ceased
Application number
EP09011287A
Other languages
German (de)
English (en)
Inventor
Swen Herwehe
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP09011287A priority Critical patent/EP2293387A1/fr
Publication of EP2293387A1 publication Critical patent/EP2293387A1/fr
Ceased 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
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/44—Clamping areas on both sides of screw
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted

Definitions

  • the invention relates to a combination connection element for connection for at least one electrical conductor, which has a screw which fixes a clamping element, and a connection element which is provided with a threaded bore into which the screw can be inserted.
  • connection techniques such as the screw, the Federzug- and the ring cable connection.
  • these different connection techniques very large constructive, logistical, production, production and testing technical effort must be operated.
  • a flexible electrical conductor for example a stranded wire
  • connection systems on the market ie clamping points for a ring cable lug or a ring lug connection
  • the connection of a ring cable lug is divided into four connection steps.
  • the screw is unscrewed from the thread of the contact element, inserted into the opening of the ring cable lug, together with the ring cable lug the cable region, ie the contact element or its thread supplied, and screwed into the thread of the contact element and tightened so that they between themselves and the contact element Pressing the ring cable lug electrically contacting.
  • Cable lugs are known in numerous different embodiments. There are, for example, angle tube, ring, tube, solder, fork and pin cable lugs. Cable lugs are used for mechanically and electrically connecting a stripped conductor end, wherein the conductor is designed to guide an electrical current.
  • the cable lug and the cable end are preferably crimped together by means of a crimping tool.
  • a very common embodiment of a cable lug is the ring cable lug. At the free end of this carries a ring-shaped and provided with an opening end piece. This end piece is attached to the terminal device by placing it in the manner of a washer of the clamping screw.
  • the use of a ring cable lug is advantageous in that as a result of the ring-like clamping screw surrounding the end of an accidental loss of contact between the head of the terminal device is practically impossible even with loosely fitting clamping screw.
  • connection clamping devices with a so-called step arrangement.
  • the terminal connections for a plurality of electrical conductors are arranged so that the cable lugs are clamped over each other.
  • the disadvantage here is that a lot of space is wasted by the superposition, since the terminal connections must be arranged offset. If the upper row of clamps is clamped, the lower row of clamps is concealed. That is, without first loosening the upper terminal row, the lower terminal row can not be solved. As a result, the assembly effort is increased unnecessarily.
  • terminal devices with a parallel arrangement of the terminal connections.
  • this arrangement of the terminal connections a manageability of the terminal connections is given.
  • this takes up a lot of space, since the terminal connection is in one plane. This is especially space-consuming, because the opposite lying terminal connections are arranged mirror-inverted.
  • the cable and the ring cable lugs are attached to a first terminal row from a first direction at the terminal connections, while the cable or the ring cable lugs are attached to the opposite second terminal row from a direction rotated by 180 ° to the second terminal connections.
  • Screw terminals are also widely used for connection devices of the electrical connection technology for contacting electrical conductors to electrical devices.
  • connection technology for electrical conductors and the spring clamp is known.
  • the electrical device has a connection zone and a spring clamp unit mounted in the connection zone, by means of which at least one electrical conductor can be electrically connected.
  • the spring clamp unit comprises at least one spring part and a carrier part with a holding leg and a mounting leg. A first and a second spring zone are provided on opposite sides of the retaining leg.
  • the spring part is attached to the holding leg and fills depending on the current state of clamping the first and the second spring zone more or less far.
  • the mounting leg extends from the retaining leg in the direction of the first spring zone and extends with a mounting extension further than the first spring zone.
  • the mounting extension is fastened in its region extending beyond the first spring zone by means of a screw connection to the connection zone.
  • a disadvantage of the prior art is that the respective connection technology is determined by the device and the customer has no choice.
  • an adapter is required for the combination of devices of different connection techniques to contact the devices electrically.
  • the object of the present invention is to provide a combination terminal for connection for electrical conductors, which is designed so that it allows variousnatian gleichtestechnik, such as by means of ring cable lug or spring tension technology.
  • a combination connection element for connection for at least one electrical conductor which has a screw which fixes a clamping element, and a connection element which is provided with a threaded bore into which the screw can be inserted.
  • the invention is characterized in that the clamping element is designed as a clamping spring.
  • the combination connection element according to the invention can be used both for the screw and the Federzuganassemble and additionally be extended by connecting a ring cable lug.
  • the core idea of this solution is the combination of a screw and a clamping spring to a connection element with which all common connection techniques can be clamped. By this step, the advantages of the respective connection technology are maintained and are connected to each other, whereas the disadvantages can be eliminated and so only one device per size is needed.
  • the spring body is mounted self-holding on the combination screw and serves as a clamping body in the manner of a roof panel. The conductor is held over the cutting edges of the spring body until the combination screw is tightened. The operation of the ring cable lug can be made accessible by modifying the attachments in the connection area, in particular by the screw application.
  • the spring body is held by the combination screw. The conductor is held by the cutting edges of the spring body and the combination screw secures the management posture of the spring in addition.
  • the conductor holding force is adjustable via the combination screw.
  • the clamping element is U-shaped with two legs and a transition region, wherein the screw is arranged between the legs.
  • the legs are preferably U-shaped with two clamping extensions, which are connected by a connecting piece in each case, wherein the clamping extensions are preferably roof-shaped, so that the clamping extensions each have two defined clamping points with an electrical conductor to be clamped.
  • the electrical conductor to be clamped is arranged between the clamping extensions and the connection element.
  • connection element is designed to receive a ring cable lug.
  • the screw has a plurality of drive systems, such as the cross, the slot, or the Torx or Torx plus drive.
  • connection element is characterized by a combination of a screw with a clamping spring to a connection element and connects in this way all common connection techniques.
  • This combination of different connection technologies combines the advantages of the respective connection technology, which can be seen in the fact that only one device per size is required.
  • Fig. 1 shows an inventive combination terminal element 1 for connection for electrical conductors.
  • the combination connection element 1 has a screw 2, which fixes a clamping element 3, and a connection element 4, which is provided with a threaded bore 5 into which the screw 2 can be inserted.
  • the clamping element 3 is formed as a preferably elastic clamping spring with a preferably U-shaped base body.
  • the U-shaped main body of the clamping element 3 preferably has two legs 6, 7 and a transition region 8, wherein the screw 2 between the legs 6, 7 is arranged.
  • the legs 6, 7 are U-shaped with two clamping extensions 9, 10 and 11, 12, which are each connected by a connecting piece 13 and 14 with each other.
  • the clamping extensions 10 and 12 are preferably roof-shaped, that is, they each have two defined clamping points 15, 16 with an electrical conductor 17 to be clamped in, wherein the electrical conductor to be clamped is arranged between the clamping extensions 10 and 12 and the connection element 4.
  • the connection element 4 preferably has a mounting plate 18 on which the electrical conductor 17 rests. Below this mounting plate 18, a further mounting plane may be arranged so that a ring cable lug can be inserted between these mounting planes.
  • the Fig. 2 . 3 and 4 show the cable connection element 1 according to the invention in a sectional view.
  • connection element is characterized by a combination of a screw with a clamping spring to a connection element and connects in this way all common connection techniques.
  • This combination of different connection technologies combines the advantages of the respective connection technology, which can be seen in the fact that only one device per size is required.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
EP09011287A 2009-09-02 2009-09-02 Elément de raccordement combiné pour le raccordement de conducteurs électriques Ceased EP2293387A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09011287A EP2293387A1 (fr) 2009-09-02 2009-09-02 Elément de raccordement combiné pour le raccordement de conducteurs électriques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09011287A EP2293387A1 (fr) 2009-09-02 2009-09-02 Elément de raccordement combiné pour le raccordement de conducteurs électriques

Publications (1)

Publication Number Publication Date
EP2293387A1 true EP2293387A1 (fr) 2011-03-09

Family

ID=41396040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09011287A Ceased EP2293387A1 (fr) 2009-09-02 2009-09-02 Elément de raccordement combiné pour le raccordement de conducteurs électriques

Country Status (1)

Country Link
EP (1) EP2293387A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022171449A1 (fr) * 2021-02-10 2022-08-18 Endress+Hauser SE+Co. KG Borne de mise à la terre

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH678776A5 (en) * 1989-07-25 1991-10-31 Schrack Components Ag Supplementary terminal for large flat or round cables - clips cable under existing screw head with contact pressure maintained by leaf spring between two portions
DE10131070A1 (de) * 2001-06-27 2003-01-23 Ellenberger & Poensgen Elektrische Schraubklemme
WO2004070756A1 (fr) * 2003-02-04 2004-08-19 Siemens Aktiegesellschaft Dispositif borne de raccordement pour le raccordement d'une cosse de cable de ceinture et appareil electrique correspondant
EP2009745A1 (fr) 2007-06-29 2008-12-31 Siemens Aktiengesellschaft Appareil électrique doté d' une borne à ressort
DE102007058495B3 (de) * 2007-12-05 2009-05-20 Pollmann Elektrotechnik Gmbh Sammelschienenklemme

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH678776A5 (en) * 1989-07-25 1991-10-31 Schrack Components Ag Supplementary terminal for large flat or round cables - clips cable under existing screw head with contact pressure maintained by leaf spring between two portions
DE10131070A1 (de) * 2001-06-27 2003-01-23 Ellenberger & Poensgen Elektrische Schraubklemme
WO2004070756A1 (fr) * 2003-02-04 2004-08-19 Siemens Aktiegesellschaft Dispositif borne de raccordement pour le raccordement d'une cosse de cable de ceinture et appareil electrique correspondant
EP2009745A1 (fr) 2007-06-29 2008-12-31 Siemens Aktiengesellschaft Appareil électrique doté d' une borne à ressort
DE102007058495B3 (de) * 2007-12-05 2009-05-20 Pollmann Elektrotechnik Gmbh Sammelschienenklemme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022171449A1 (fr) * 2021-02-10 2022-08-18 Endress+Hauser SE+Co. KG Borne de mise à la terre

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