EP4274028A1 - Dispositif de connexion électrique, système de connexion et procédé de réalisation d'une connexion électrique entre deux conducteurs électriques - Google Patents

Dispositif de connexion électrique, système de connexion et procédé de réalisation d'une connexion électrique entre deux conducteurs électriques Download PDF

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Publication number
EP4274028A1
EP4274028A1 EP22172047.7A EP22172047A EP4274028A1 EP 4274028 A1 EP4274028 A1 EP 4274028A1 EP 22172047 A EP22172047 A EP 22172047A EP 4274028 A1 EP4274028 A1 EP 4274028A1
Authority
EP
European Patent Office
Prior art keywords
fastening means
electrical
contact
electrical conductor
section
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.)
Pending
Application number
EP22172047.7A
Other languages
German (de)
English (en)
Inventor
Tobias Egger
Maximilian Rolshausen
Johann GOTTANKA
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik 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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Priority to EP22172047.7A priority Critical patent/EP4274028A1/fr
Priority to US18/142,349 priority patent/US20230361491A1/en
Priority to CN202310496257.XA priority patent/CN117013318A/zh
Publication of EP4274028A1 publication Critical patent/EP4274028A1/fr
Pending 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
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • 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
    • H01R4/06—Riveted connections
    • 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
    • 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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5016—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
    • H01R4/5025—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone combined with a threaded ferrule operating in a direction parallel to the conductor
    • 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
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge
    • H01R4/5091—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge combined with a 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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail

Definitions

  • the invention relates to an electrical connection arrangement for electrically and mechanically connecting a first electrical conductor to a second electrical conductor, comprising an electrical connecting element with a pressing section arranged at a first end, which has at least one lateral contact surface for electrically contacting an inner lateral surface of a contact recess of the first electrical conductor and with a contact section arranged at a second end, which has a contact surface for non-positive connection to a side surface of the second electrical conductor.
  • connection arrangements are used in the vehicle sector, especially in electric and/or hybrid vehicles, to supply a vehicle battery with charging current or to remove the stored energy from the battery and supply it to the electric drive or other electrical consumers.
  • the connection arrangement must ensure perfect transmission of high currents with preferably low transfer impedance. Given the risk that component failure in an electric vehicle would result in, particularly high demands must be placed on the quality of the conductors and components of the connection arrangement.
  • An electrical connection arrangement must sometimes withstand high mechanical loads so that the electrical connection is not unintentionally separated, for example during operation of the vehicle.
  • connection arrangement can be installed easily, conveniently and safely.
  • the object of the present invention is to provide an electrical connection arrangement which is able to compensate for a variable distance between the electrical conductors to be connected, while preferably being easy to assemble and robust in construction.
  • An electrical connection arrangement is provided for electrically and mechanically connecting a first electrical conductor to a second electrical conductor.
  • the electrical connection arrangement is preferably designed for use in high-voltage technology, in particular in vehicle technology, for example in electromobility.
  • the electrical connection arrangement is therefore preferably suitable for transmitting high electrical currents at high electrical voltages.
  • the connection arrangement in particular the connecting element mentioned below, can, for example, be used to transmit electrical currents of up to 100 amperes, up to 200 amperes, up to 300 amperes, up to 400 amperes, up to 500 amperes, up to 600 amperes, up to 2,000 Amps or more at preferably high electrical voltages (e.g. up to 500 volts, up to 600 volts, up to 700 volts, up to 800 volts, up to 900 volts, up to 1,000 volts, up to 1,100 volts, up to 1,500 volts, up to 2,000 volts or more).
  • high electrical voltages e.g. up to 500 volts, up to 600 volts, up to 700 volts, up to 800 volts, up to 900 volts, up to 1,000 volts, up to 1,100 volts, up to 1,500 volt
  • the conductor cross section of the at least one electrical conductor and/or the cross-sectional extent of the connecting element can be, for example, up to 10 mm 2 , preferably up to 30 mm 2 , particularly preferably up to 60 mm 2 , even more preferably up to 90 mm 2 , for example also up to 200 mm 2 or more.
  • a conductor cross-section or a cross-sectional extent of the connecting element can be provided which is suitable for electrical energy transmission in high-voltage technology, i.e.
  • the electrical connection arrangement has an electrical connection element.
  • This connecting element comprises a pressing section arranged at a first end.
  • the pressing section has at least one lateral contact surface for electrically contacting an inner lateral surface of a contact recess of the first electrical conductor.
  • the first electrical conductor and the second electrical conductor are not to be understood as components of the claimed connection arrangement.
  • the connection arrangement is designed to connect the separate electrical conductors to one another in an advantageous manner.
  • the pressing section can enable radial or lateral contacting within the contact recess (e.g. a through hole or a blind hole) of the first electrical conductor.
  • front-side contacting of the first electrical conductor through the pressing section is generally not provided, but is optionally possible.
  • the connecting element also comprises a contact section arranged at a second end, which has a contact surface for non-positive connection to a side surface of the second electrical conductor.
  • an end-side contact surface of the contact section is provided in order to non-positively contact the side surface of the second electrical conductor facing the first electrical conductor, in particular in the case of the screw connection described below between the two fastening means mentioned below.
  • the contact surface is a surface facing away from the end face of the second end of the connecting element in order to contact the side surface of the second electrical conductor facing away from the first electrical conductor, in particular in the case of the bolt connection described below between the both fasteners.
  • the contact section is particularly suitable for contacting or a direct connection to the second electrical conductor.
  • an indirect connection is also possible, e.g. B. via a spacer that is arranged between the contact surface and the side surface of the second electrical conductor.
  • the connection between the contact section or its contact surface and the second electrical conductor can be a purely mechanical connection, but preferably an electrical connection is also provided in addition to the mechanical connection (direct or indirect). If a purely mechanical connection is provided between the contact section and the second electrical conductor, an electrical connection between the first electrical conductor and the second electrical conductor can preferably be established via a conductive connection between the two fastening means, which in turn at least indirectly have a respective electrical connection Contact leader.
  • Radial or lateral contacting of the second electrical conductor through the contact section is generally not provided, but is optionally possible.
  • the contact section can contact any surface of the second electrical conductor, in particular a side surface, but possibly also an end surface.
  • the contacting surfaces of the contact section ("contact surface") and the second electrical conductor are preferably planar or flat, but can optionally also be curved (convex and/or concave) - in the case of a curvature preferably, but not necessarily, with the same radius of curvature for contacting as flat as possible.
  • the connecting element exclusively has said two ends, i.e. the first end and the second end. It can be provided that the connecting element is a primarily elongated body which extends from its first end to its second end along a longitudinal axis or central axis.
  • the connecting element can optionally be designed to be axially symmetrical.
  • the pressing section directly adjoins the contact section along the longitudinal axis or along the extension of the connecting element from its first end to its second end.
  • an intermediate section that axially separates the pressing section and the contact section can be provided.
  • a connecting bore extends at least between the contact section and the pressing section (preferably the connecting bore extends at least starting from the second end of the connecting element through the contact section into the pressing section and/or starting from the first end of the connecting element through the pressing section into the contact section ), so that the connecting element can accommodate a first fastening means or itself forms such a fastening means, and can accommodate a second fastening means that can be connected to the first fastening means (in particular within the connecting bore).
  • the fastening means can be screwed via a common threaded connection or pressed in the manner of a bolt connection.
  • the first fastening means is received or receivable in the pressing section or is formed in the pressing section.
  • the second fastening means can be accommodated at least in the contact section.
  • the connecting hole does not have to be round, although a round connecting hole is preferred.
  • connection arrangement can be designed to interact functionally with the fastening means.
  • an axial force component can advantageously be introduced into the connection between the electrical conductors, for example if the second fastening means is supported on the side of the second electrical conductor facing away from the first electrical conductor and the connecting element together with the first fastening means pulls in the direction of the second electrical conductor while at the same time the pressing section is spread open.
  • the pressing section can be radially expanded by the first fastening means and/or by the second fastening means in order to bring about a non-positive connection between the at least one lateral contact surface and the inner circumferential surface of the contact recess by connecting the two fastening means to one another (for example screwed or pressed).
  • a mechanically and electrically extremely robust and low-resistance connection can be established between the pressing section and the first electrical conductor within the contact recess.
  • the connection can be established reliably even if the two electrical conductors are not ideally aligned with one another in their spatial position, for example if there is an axial offset or a tilt between the two electrical conductors.
  • said non-positive connection can also be established between the contact surface of the contact section and the corresponding side surface of the second electrical conductor.
  • the contact section with its front contact surface can move in the direction of the second electrical conductor due to the axial movement of the second fastener until the front contact surface and the second electrical conductor are in frictional contact with one another. This usually takes place before the pressing section is expanded.
  • the connecting element is primarily sleeve-shaped.
  • the connecting bore extends completely through the connecting element.
  • the connecting element in particular a sleeve-shaped connecting element, can be inserted between the electrical conductors particularly easily during assembly.
  • the connecting element with its pressing section can, for example, first be inserted into the contact recess of the first electrical conductor.
  • the contact section is preferably formed from an electrically conductive material, in particular formed entirely from an electrically conductive material.
  • the pressing section is formed from an electrically conductive material, in particular formed entirely from an electrically conductive material.
  • the contact section and/or the pressing section can, for example, be made of a metal, for example copper or aluminum.
  • the contact section is formed in one piece with the pressing section.
  • the connecting element is designed completely in one piece, but in particular it is at least advantageous to design the contact section and the pressing section in one piece.
  • the contact section and the pressing section can be fastened to one another (force-fitting, material-fitting and/or positive-fitting).
  • connection arrangement can have contact protection means which are made of an electrically insulating material, for example a plastic, and at least partially encase the connecting element.
  • contact protection means can be provided which at least partially encases the contact section and/or the pressing section, if necessary together, in order to provide contact protection for one Installer or user of the connection arrangement so that no conductive components can be accidentally touched.
  • the connecting element in particular the contact section and/or the pressing section, have a coating in order to specifically influence the electrical and mechanical properties of the connecting element, most preferably in the area of an electrical and mechanical contact or contact surface, such as lateral contact surface of the pressing section or the contact surface of the contact section.
  • a coating in order to specifically influence the electrical and mechanical properties of the connecting element, most preferably in the area of an electrical and mechanical contact or contact surface, such as lateral contact surface of the pressing section or the contact surface of the contact section.
  • the connecting element has a mechanical interface for a rotation-proof mechanical connection to at least one of the electrical conductors.
  • the contact section of the connecting element has the mechanical interface.
  • the pressing section or another component of the connecting element can also optionally have the mechanical interface.
  • the mechanical interface can also be formed between the contact section and the pressing section, sometimes also together on the contact section and the pressing section.
  • mechanical interfaces can also be provided, for example a first mechanical interface for a rotation-proof connection to the first electrical conductor and a second mechanical interface for a rotation-proof connection to the second electrical conductor.
  • the mechanical interface can in particular be an axial section along the longitudinal axis or between the two ends of the connecting element, which has a polygonal cross section.
  • the outer lateral surface of the connecting element in the area of the mechanical interface can therefore, for example, have a triangular, square, pentagonal, hexagonal, heptagonal, octagonal or other cross-sectional profile.
  • a star-shaped profile or a rib-groove mechanism can also be provided, for example, in order to enable a rotation-proof connection.
  • any form-fitting and/or cohesive connection e.g. adhesive bonding
  • possibly even a non-positive connection can be used between the Connecting element and at least one of the electrical conductors may be provided in order to provide a rotation-proof connection.
  • a rotation-proof arrangement of the connecting element between the electrical conductors can be advantageous in order to simplify assembly.
  • the mechanical interface can in principle also be designed to be connected in a rotation-proof manner with a tool, for example a wrench, so that the fitter can manually fix the connecting element while making the screw connection who produces fasteners.
  • a torsion-proof connection can also be completely dispensed with, for example if the fastening means are to be pressed together (e.g. if the second fastening means is designed as a bolt and the first fastening means is designed as a receptacle for the bolt).
  • the anti-twist connection with the at least one electrical conductor can take place directly through interaction of the mechanical interface with a corresponding mechanical counter-interface of the respective electrical conductor.
  • the anti-twist connection can (usually preferably) also be carried out indirectly through the interaction of the mechanical interface with a corresponding mechanical counter-interface of a housing shell of the respective electrical conductor, which in turn is mechanically connected to the electrical conductor in a anti-twist manner.
  • the pressing section is designed to accommodate the first fastening means in a rotationally secure manner.
  • the pressing section can preferably have a suitable internal geometry within the connecting bore, which can be connected in a rotation-proof manner to a corresponding external geometry of the first fastening means.
  • Said external geometry of the first fastening means is preferably arranged on the end region of the first fastening means facing the second electrical conductor (if the first fastening means is mounted in the pressing section).
  • the first fastening means and/or the pressing section can have a suitable coating and/or structuring of the surface (e.g. corrugation).
  • a corresponding coating and/or surface structuring can also be provided, for example, in the connection between the lateral contact surface of the pressing section and the inner lateral surface of the contact recess of the first electrical conductor and/or in the connection between the side surface of the second electrical conductor and the contact surface of the contact section.
  • the pressing section is designed to accommodate the fastening means in a captivity manner.
  • the pressing section can have, for example, a locking hook at its free end.
  • the pressing section is slotted in the longitudinal direction in order to form the at least one lateral contact surface between two longitudinal slots.
  • lateral contact surfaces are formed in this way, in particular in the manner of spring tabs of a spring basket.
  • the at least one lateral contact surface or spring tab preferably has a movable, free end which corresponds to the first end of the connecting element.
  • the at least one lateral contact surface or spring tab can also be connected on both sides, i.e. have no free end.
  • any other measures can be provided which also enable radial expansion of the pressing section, in particular non-destructive radial expansion. If necessary, a permanent deformation of the pressing section can even be provided by screwing or pressing the two fasteners in order to bring about the non-positive connection within the contact recess.
  • the at least one lateral contact surface has a convex curvature.
  • the convex curvature of the at least one lateral contact surface Due to the convex curvature of the at least one lateral contact surface, it is possible to compensate for an offset between the two electrical conductors transversely to the connection direction or to the extension of the connecting element or a tilting of the electrical conductors relative to one another, since the connecting element then tilts within the contact recess without loss of contact can.
  • a type of ball bearing can be provided for the connection between the pressing section and the contact recess.
  • an angular arrangement between the two electrical conductors of up to 5° or more can be bridged by the convex curvature.
  • the invention also relates to an electrical connection system, in particular an electrical connection system for high-voltage technology, having an electrical connection arrangement according to the above and following statements, as well as the first fastening means.
  • the first fastening means is preferably accommodated in the pressing section within the connecting bore, in particular captured captively.
  • the first fastening means tapers on the outer casing side in the direction of the second end of the connecting element.
  • the pressing section tapers on the inner casing side, within the connecting bore, in the direction of the second end of the connecting element.
  • connection partners taper accordingly, preferably with the same taper gradient.
  • the pressing section Due to the described taper of the first fastening means and/or the pressing section, it is possible to expand the pressing section radially by screwing the first fastening means to the second fastening means using technically particularly simple means, while the first fastening means penetrates deeper into the pressing section.
  • the pressing section or its at least one lateral contact surface is pressed radially outwards against the inner lateral surface of the contact recess.
  • the corresponding contact area between the first fastening means and the pressing section is preferably conically shaped; A conical taper is therefore preferably provided. In principle, however, any taper or any concave/convex contact area can be provided.
  • a taper is also not absolutely necessary to cause the spreading.
  • knobs, bulbous or other elevations, etc. can also be provided distributed along the circumference of the first fastening means, which only come into contact with the inner lateral surface of the contact recess when the first fastening means penetrates further into the pressing section through the screw connection, so that then press the elevations against the inner surface and cause the expansion.
  • the elevations must be along the perimeter of the first Fastening means must not be arranged completely all around; For example, a plurality of mutually delimited elevations distributed at points or in sections along the circumference of the first fastening means can be provided.
  • the first fastening means has an internal thread to form the threaded connection with the second fastening means.
  • the first fastening means preferably has a screw nut or is designed as a screw nut.
  • a first fastening means designed as a screw nut has proven to be particularly suitable.
  • any sleeve-shaped first fastening means can be suitable, in particular a sleeve-shaped fastening means with an internal thread.
  • a shaft-shaped first fastening means can also be provided, for example a screw element with an external thread or a bolt without an external thread.
  • the first fastening means can then in particular have a precisely fitting receptacle for a bolt or a bolt shaft or an elongated second fastening means.
  • the first fastening means can have a taper within the connecting bore, in particular in the contact section or at least in the region of the contact section, so that the connecting element is radially expanded at its first end or at the pressing section by inserting the second fastening means into the connecting bore.
  • the invention also relates to an electrical connection system, in particular an electrical connection system for high-voltage technology, having an electrical connection arrangement according to the above and following statements, and having the second fastening means.
  • the second fastening means is preferably accommodated at least in sections in the contact section within the connecting bore.
  • the electrical connection system has the first fastening means and the second fastening means.
  • the electrical connection system can also have only the first fastening means or only the second fastening means.
  • the second electrical conductor has a fastening recess.
  • the fastening recess is preferably a through hole and is designed to accommodate the second fastening means or the second fastening means can be passed through the fastening recess.
  • the fastening recess, the connecting bore and the contact recess are arranged in alignment with one another, preferably coaxially.
  • the second fastening means has a screw element, preferably a conventional metal screw.
  • the screw element can have a screw shaft which can be passed through the fastening recess of the second electrical conductor and which extends at least in sections through the connecting bore, the screw shaft having an external thread to form the threaded connection with the first fastening means.
  • the screw element can have a screw head that is supported directly (e.g. by a sufficiently large contact flange with a larger cross-sectional extent than the fastening recess) or indirectly (e.g. by a separate contact flange, such as a washer) on the electrical conductor.
  • the second fastening means can also be designed as a bolt and therefore does not necessarily have to have an external thread.
  • the first fastening means can advantageously be designed to accommodate the bolt in a non-positive, precise manner. In this way, a press connection can be established between the fasteners.
  • first fastening means can be interchangeable with the second fastening means - and vice versa.
  • the fasteners themselves can also be arranged interchangeably.
  • a screw element can be provided for connection to the first electrical conductor and a screw nut to the second electrical conductor.
  • the invention also relates to an electrical connection system, in particular an electrical connection system for high-voltage technology, having an electrical connection arrangement according to the above and following statements, and having the first electrical conductor and the second electrical conductor.
  • the electrical connection system preferably has the first fastening means and the two electrical conductors, particularly preferably the first fastening means and the second fastening means and the two electrical conductors.
  • fastening recess allows tolerances in the spatial orientation of the two electrical conductors to be evened out even better.
  • the fastening recess can also be designed as an elliptical recess or as an elongated hole.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
EP22172047.7A 2022-05-06 2022-05-06 Dispositif de connexion électrique, système de connexion et procédé de réalisation d'une connexion électrique entre deux conducteurs électriques Pending EP4274028A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP22172047.7A EP4274028A1 (fr) 2022-05-06 2022-05-06 Dispositif de connexion électrique, système de connexion et procédé de réalisation d'une connexion électrique entre deux conducteurs électriques
US18/142,349 US20230361491A1 (en) 2022-05-06 2023-05-02 Electrical Connection Arrangement, Connection System and Method for Producing an Electrical Connection Between two Electrical Conductors
CN202310496257.XA CN117013318A (zh) 2022-05-06 2023-05-05 在两电导体间产生电连接的电连接布置、连接系统和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN117895254B (zh) * 2024-03-13 2024-05-28 深圳市振勤电子科技有限公司 一种母排接线螺栓铆接结构

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB214139A (en) * 1923-07-17 1924-04-17 Ernest Frank Fleet Improvements relating to terminals for electric current conductors such as rail bonds and the like
JP2000077111A (ja) * 1998-08-31 2000-03-14 Harness Syst Tech Res Ltd バスバーの接続構造
DE19847361A1 (de) * 1998-10-14 2000-05-11 Harting Kgaa Elektrisches Kontaktelement
WO2007046720A2 (fr) * 2005-10-21 2007-04-26 Kevin Patrick Dowman Dispositif de connecteur de cable pour batterie
US20150244134A1 (en) * 2012-11-12 2015-08-27 Dubuis Et Cie Device for fixing an electrical connection terminal to a support
DE102015204119A1 (de) * 2015-03-06 2016-09-08 Zf Friedrichshafen Ag Strombolzen
EP3128617A1 (fr) * 2015-08-04 2017-02-08 Dubuis et Cie Dispositif pour fixer une borne de connexion électrique à un support
US20210355982A1 (en) * 2020-05-15 2021-11-18 Gm Cruise Holdings Llc Stud assembly for high current applications

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB214139A (en) * 1923-07-17 1924-04-17 Ernest Frank Fleet Improvements relating to terminals for electric current conductors such as rail bonds and the like
JP2000077111A (ja) * 1998-08-31 2000-03-14 Harness Syst Tech Res Ltd バスバーの接続構造
DE19847361A1 (de) * 1998-10-14 2000-05-11 Harting Kgaa Elektrisches Kontaktelement
WO2007046720A2 (fr) * 2005-10-21 2007-04-26 Kevin Patrick Dowman Dispositif de connecteur de cable pour batterie
US20150244134A1 (en) * 2012-11-12 2015-08-27 Dubuis Et Cie Device for fixing an electrical connection terminal to a support
DE102015204119A1 (de) * 2015-03-06 2016-09-08 Zf Friedrichshafen Ag Strombolzen
EP3128617A1 (fr) * 2015-08-04 2017-02-08 Dubuis et Cie Dispositif pour fixer une borne de connexion électrique à un support
US20210355982A1 (en) * 2020-05-15 2021-11-18 Gm Cruise Holdings Llc Stud assembly for high current applications

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CN117013318A (zh) 2023-11-07

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