WO2023242066A1 - Ensemble conducteur - Google Patents

Ensemble conducteur Download PDF

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Publication number
WO2023242066A1
WO2023242066A1 PCT/EP2023/065528 EP2023065528W WO2023242066A1 WO 2023242066 A1 WO2023242066 A1 WO 2023242066A1 EP 2023065528 W EP2023065528 W EP 2023065528W WO 2023242066 A1 WO2023242066 A1 WO 2023242066A1
Authority
WO
WIPO (PCT)
Prior art keywords
coupling element
section
coupling
transformer
coolant
Prior art date
Application number
PCT/EP2023/065528
Other languages
German (de)
English (en)
Inventor
Tobias Broda
Sébastien ENDERLIN
Richard GNODTKE
Rico Jehmlich
Original Assignee
Stäubli Electrical Connectors 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 Stäubli Electrical Connectors Ag filed Critical Stäubli Electrical Connectors Ag
Publication of WO2023242066A1 publication Critical patent/WO2023242066A1/fr

Links

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/005—Electrical coupling combined with fluidic coupling
    • 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
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • 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
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6273—Latching means integral with the housing comprising two latching arms
    • 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
    • H01R9/11—End pieces for multiconductor cables supported by the cable and for facilitating connections to other conductive members, e.g. for liquid cooled welding cables

Definitions

  • the present invention relates to a conductor arrangement for a welding device according to claim 1 and a welding device according to claim 17.
  • a conductor arrangement comprises an electrically conductive shunt element with a first shunt end and a second shunt end, a coolant line with a first coolant line end and a second coolant line end, a first coupling element which is electrically conductively connected to the first shunt end, and a second coupling element which is connected to is electrically connected to the second end of the shunt.
  • the first coupling element has a first coolant section and the second coupling element has a second coolant section.
  • the first coolant section is in fluid communication with the first coolant line end and the second coolant section is in fluid communication with the second coolant line end.
  • Each coupling element has an electrical coupling section and a fluidic coupling section.
  • the coupling sections are designed for electrical and fluidic connection with corresponding transformer-side or tong-side coupling elements.
  • An electrical and a fluidic connection between the conductor arrangement and the transformer and between the conductor arrangement and the pliers can thus be provided for each side with one plug-in process.
  • This has the advantage that the conductor arrangement can be replaced quickly.
  • This has the advantage that both coupling elements can be cooled with the same coolant circuit.
  • the pliers of a welding device preferably have at least one or two pliers arms.
  • An electrode is attached to each of the tong arms.
  • the electrode is in electrical contact with the coupling elements on the gun side.
  • the shunt element is preferably made of copper or a copper alloy. Particularly preferably, the shunt element comprises a plurality of copper conductors which are guided in parallel and are electrically connected to the respective coupling element.
  • the coolant line and the shunt element are designed such that the respective ends, that is, the first shunt end and the second shunt end, are movable relative to one another to the same extent as the first coolant line end and the second coolant line end.
  • the first shunt end and the second shunt end each have an electrically conductive fastening element, with which the shunt element is electrically conductively connected to the respective coupling element.
  • the fastening element has fastening structures which are preferably connected to the contact block mentioned below.
  • the first and second coupling elements each have a contact block, which is electrically conductively connected to the coupling section, and which has a connection point to which the shunt element, in particular with the fastening element mentioned, can be connected.
  • the electrical coupling section has an electrical contact surface that extends cylindrically around a central axis and the fluidic coupling section has a cylindrical sealing surface.
  • Other forms of contact surfaces or sealing surfaces are also conceivable. For example, flat contact surfaces or flat sealing surfaces.
  • the sealing surface preferably has a sealing area for receiving or contacting a sealing element.
  • the sealing element is, for example, an O-ring.
  • the sealing surface is arranged axially offset from the contact surface in the direction of the central axis. In another variant, the sealing surface is arranged at least partially or completely inside the contact surface in the direction of the central axis.
  • the contact block preferably has a cooling water channel which opens into the transformer-side or into the gun-side coolant section.
  • the first coupling element and the second coupling element are designed identically to one another. This means that the conductor element does not have to be oriented during assembly, but can be used without any further action.
  • the first coupling element and the second coupling element each have a locking structure and the transformer-side coupling element and the tong-side coupling element each have a locking structure.
  • the first coupling element can be locked with the transformer-side coupling element and the second coupling element with the pliers-side coupling element via the locking structures.
  • one of the locking elements is a locking tab and the other of the locking elements is a tab receptacle into which the locking tab engages.
  • Other types of locking elements such as a bayonet lock, a union nut that engages in a thread, or lever clamps can also be used.
  • FIG. 2 is a perspective view of the conductor arrangement according to FIG. 1;
  • Fig. 3a-3c is a perspective exploded view, a perspective
  • Figures 4a-4c are a perspective exploded view, a perspective
  • FIG. 5a/5b a perspective and a sectional view of an inserted one
  • DESCRIPTION OF PREFERRED EMBODIMENTS 1 shows a conductor arrangement according to an embodiment of the present invention.
  • the conductor arrangement is connected to a transformer T.
  • the conductor arrangement includes an electrical shunt element 1, a coolant line 4, a first coupling element 7 and a second coupling element 8.
  • the conductor arrangement with the first coupling element 7 is in contact with the transformer T.
  • the conductor arrangement can be brought into contact with the second coupling element 8 using pliers.
  • the transformer T here has two connection points for connecting two conductor arrangements.
  • the electrical shunt element 1 has a first shunt end 2 and a second shunt end 3.
  • the electrical shunt element 1 is designed to transmit high currents, as are common in welding devices.
  • the shunt element 1 comprises a plurality of copper conductors, which are brought together at the respective shunt end 2, 3.
  • the electrical shunt element 1 also has a certain flexibility, so that the shunt element 1 can carry out movements as are common in welding devices.
  • the coolant line 4 has a first coolant line end 5 and a second coolant line end 6.
  • the first coolant line end 5 is arranged at the first shunt end 2 and the second coolant line end 6 is arranged at the second shunt end 3.
  • the first coupling element 7 is electrically connected to the first shunt end 2. Furthermore, the first coupling element 7 has a first coolant section 9, which is fluidly connected to the first coolant line end 5.
  • the second coupling element 8 is electrically connected to the second shunt end 3. Furthermore, the second coupling element 8 has a second coolant section 10, which is fluidly connected to the second coolant line end 6.
  • each of the coupling elements 7, 8 has an electrical coupling section 11 and a fluidic coupling section 12.
  • the coupling elements 7, 8 can be electrically and fluidly connected to corresponding transformer-side or gun-side coupling elements 13, 22 via the coupling sections 11, 12.
  • the integration of the shunt element 1 and the coolant line 4 on the respective coupling elements 7, 8 results in the advantage that a fluidic as well as an electrical connection between a transformer T and a pair of pliers can be provided with a coupling or plug-in process.
  • the elements through which the coolant flows can thus be cooled, ie the coolant can be guided from the transformer via the first coupling element 7, the coolant line 4 or the shunt element 1, to the second coupling element 8 and to the pliers.
  • the coolant line 4 is guided parallel to the shunt element 1.
  • the coolant line 4 lies outside the shunt element 1.
  • the coolant line 4 can also be an integral part of the shunt element 1. That is, the coolant line 4 then lies within the shunt element 1.
  • the electrical coupling section 11 has an electrical contact surface 15 which extends cylindrically around a central axis M.
  • the electrical coupling section 11 of the first coupling element 7 and the second coupling element 8 has the shape of a socket.
  • the cylindrical contact surface 15 forms a cylindrical interior.
  • the fluidic coupling section 12 also has a cylindrical sealing surface 16 extending around the central axis M. The spatial arrangement between the cylindrical contact surface 15 and the cylindrical sealing surface 16 is explained further below.
  • the conductor arrangement is connected to the transformer-side coupling element 13 on the side of the transformer T. On the pliers side, the conductor arrangement is connected to the pliers-side coupling element 22.
  • the design of the transformer-side coupling element 13 corresponds to the clamp-side coupling element 22 and the first coupling element 7 is designed in the same way as the second coupling element 8. This allows the line arrangement to be installed between the clamp and the transformer T regardless of a specific orientation.
  • Figure 1 also shows the locking between the first coupling element 7 and the transformer-side coupling element 13 and between the second coupling element 8 and the pliers-side coupling element 22.
  • a locking tab 43 is arranged on one of the coupling elements and a tab receptacle 44 is arranged on the other of the coupling elements. The locking tab 43 engages in the tab receptacle 44.
  • Figures 3a to 4c show detailed views of a transformer-side coupling element 13 or a pliers-side coupling element 22 and of the first coupling element 7 or of the second coupling element 8.
  • Figures 3a to 3c show here the transformer-side coupling element 13 or the pliers-side coupling element 22 as the plug side.
  • Figures 4a to 4c show the first coupling element 7 and the second coupling element 8 as the socket side.
  • a different arrangement would also be conceivable. In particular, it is conceivable to swap the socket side and the plug side.
  • transformer-side coupling element 13 and the tong-side coupling element 22 are described with reference to Figures 3a to 3c.
  • the structure of the transformer-side coupling element 13 and the tong-side coupling element 22 is identical in the embodiment shown.
  • the transformer-side coupling element 13 comprises a transformer-side electrical coupling section 28, which can be connected to the electrical coupling section 11 of the first coupling element 7, and a transformer-side coolant section 29, which can be fluidically connected to the first coolant section 9.
  • the pliers-side coupling element 22 includes a pliers-side electrical coupling section 30, which can be connected to the electrical coupling section 11 of the second coupling element 8, and a pliers-side coolant section 31, which can be fluidically connected to the second coolant section 10.
  • the transformer-side and the tong-side coupling elements 13, 22 each have a contact block 23 here.
  • the contact block 23 is electrically conductively connected to the coupling section 28, 30.
  • the coupling sections 28, 30 here are in the form of separate contact parts, which are electrically conductively connected to the contact block.
  • the contact block also has a connection point 24 to which a transformer T or the pliers can be connected.
  • the connection point 24 has at least one, here four, fastening openings 27 through which a fastening screw 35 can be passed through.
  • the contact block 23 also has a contact surface 26, with which the contact block can provide electrical contact with the transformer or the pliers.
  • a cooling water channel 25 extends here as a bore through the contact block 23 and then opens into the coolant section 29, 31.
  • the latter is arranged here in the middle of the electrical coupling section 28, 30.
  • the transformer-side electrical coupling section 28 and the tong-side electrical coupling section 30 each have an electrical contact surface 32 which extends cylindrically around a central axis M.
  • the electrical contact surface 32 is designed as a cylindrical plug.
  • the electrical contact surface can be electrically connected directly or indirectly via a contact element 18 to the contact surface 15 of the electrical coupling section 11 of the first coupling element 7 or the second coupling element 8.
  • the transformer-side coolant section 29 and the tong-side coolant section 31 each have a cylindrical sealing surface 33, which can be connected in a fluid-tight manner to the cylindrical sealing surface 16 of the fluidic coupling sections 12 of the first coupling element 7 and the second coupling element 8, respectively.
  • a sealing element 20 in the form of a sealing ring is arranged here on the sealing surface 33.
  • the first and second coupling elements 6, 7 each have a contact block 36 here.
  • the contact block 36 is electrically conductively connected to the coupling section 11.
  • the coupling section 11 here has the form of a separate contact part, which is electrically conductively connected to the contact block.
  • the contact block also has a connection point 37 to which the shunt element 1 can be connected to the corresponding shunt end 1, 2.
  • the connection point 37 has at least one, here four, fastening openings 39 through which a fastening screw, not shown, can be passed.
  • the contact block 36 further has a contact surface 40, with which the contact block can be provided with electrical contact with the transformer or the pliers.
  • a cooling water channel 38 extends here as a bore through the contact block 36 and then opens into the coolant section 9, 10. The latter is arranged here in the middle of the electrical coupling section 11.
  • the electrical contact surface 15 here has an electrical contact element 18, which rests on a contact area 17. Via the contact element 18, an electrical contact is established between the electrical contact surface 15 and the electrical contact surface 32 of the transformer-side coupling element 13 and the pliers-side coupling element 22.
  • the sealing surface 16 comes into contact with the sealing element 20, which rests on the sealing surface 33 of the transformer-side coupling element 13 and the pliers-side coupling element 22.
  • the sealing surface 16 has a smaller diameter than the contact surface 15.
  • the diameters are designed such that, viewed in cross section transversely to the central axis M, the sealing surface 16 lies within the contact surface 15 or the contact surface 15 surrounds the sealing surface 16.
  • the sealing surface 16 is arranged axially offset from the contact surface 15 in the direction of the central axis M. The same applies to the contact surface 32 and the sealing surface 33.
  • the transformer-side coupling element 13 is in electrical connection with the transformer via the connection point 24 of the contact block 23 and in fluid connection via the cooling water channel 25.
  • the fastening screws 35 engage in corresponding threaded openings 41 on the transformer side.
  • the transformer-side electrical coupling section 28 is in an electrically conductive connection with the electrical coupling section 11 of the first coupling element 7. Here via the contact element 18.
  • the transformer-side coolant section 29 is included the fluidic coupling section 12 in fluidic connection.
  • the first shunt end 2 of the shunt element 1 is attached in an electrically conductive manner to the contact surface 40.

Landscapes

  • Coils Of Transformers For General Uses (AREA)

Abstract

Un ensemble conducteur comprend un élément de dérivation électroconducteur (1) comportant une première extrémité de dérivation (2) et une seconde extrémité de dérivation (3), une conduite de liquide de refroidissement (4) comportant une première extrémité de conduite de liquide de refroidissement (5) et une seconde extrémité de conduite de liquide de refroidissement (6), un premier élément de couplage (7) connecté de manière électroconductrice à la première extrémité de dérivation (2), et un second élément de couplage (8) connecté de manière électroconductrice à la seconde extrémité de dérivation (3). Le premier élément de couplage (7) comporte une première partie liquide de refroidissement (9), et le second élément de couplage (8) comporte une seconde partie liquide de refroidissement (10), la première partie liquide de refroidissement (9) est reliée fluidiquement à la première extrémité de conduite de liquide de refroidissement (5), et la seconde partie liquide de refroidissement (10) est reliée fluidiquement à la seconde extrémité de conduite de liquide de refroidissement (6), et chaque élément de couplage (7, 8) comporte une partie couplage électrique (11) et une partie couplage fluidique (12), les parties couplage (11, 12) sont configurées pour une connexion électrique et fluidique à des éléments de couplage côté transformateur ou côté pince correspondants (13, 22).
PCT/EP2023/065528 2022-06-17 2023-06-09 Ensemble conducteur WO2023242066A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22179525 2022-06-17
EP22179525.5 2022-06-17

Publications (1)

Publication Number Publication Date
WO2023242066A1 true WO2023242066A1 (fr) 2023-12-21

Family

ID=82115882

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/065528 WO2023242066A1 (fr) 2022-06-17 2023-06-09 Ensemble conducteur

Country Status (1)

Country Link
WO (1) WO2023242066A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673541A (en) * 1970-08-06 1972-06-27 Amp Inc Composite electrical and fluid or air connector
DE102005057780A1 (de) * 2005-12-02 2007-06-06 Dbk David + Baader Gmbh Fluidkupplungsanordnung mit elektrischer Steckverbinderanordnung
US7274001B1 (en) * 2005-02-28 2007-09-25 Cusick Iii Joseph Baxter Cable assembly for arc welding
US9761976B2 (en) * 2010-10-14 2017-09-12 Gregory thomas mark Actively cooled electrical connection
US20180133828A1 (en) * 2016-11-11 2018-05-17 The Esab Group Inc. Quick disconnect torch handle
WO2018224266A1 (fr) 2017-06-08 2018-12-13 Stäubli Electrical Connectors Ag Élément de connexion électrique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673541A (en) * 1970-08-06 1972-06-27 Amp Inc Composite electrical and fluid or air connector
US7274001B1 (en) * 2005-02-28 2007-09-25 Cusick Iii Joseph Baxter Cable assembly for arc welding
DE102005057780A1 (de) * 2005-12-02 2007-06-06 Dbk David + Baader Gmbh Fluidkupplungsanordnung mit elektrischer Steckverbinderanordnung
US9761976B2 (en) * 2010-10-14 2017-09-12 Gregory thomas mark Actively cooled electrical connection
US20180133828A1 (en) * 2016-11-11 2018-05-17 The Esab Group Inc. Quick disconnect torch handle
WO2018224266A1 (fr) 2017-06-08 2018-12-13 Stäubli Electrical Connectors Ag Élément de connexion électrique

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