EP4199270A1 - Système de mise en contact de conducteurs avec des ensembles de contacts pivotants - Google Patents

Système de mise en contact de conducteurs avec des ensembles de contacts pivotants Download PDF

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Publication number
EP4199270A1
EP4199270A1 EP22214581.5A EP22214581A EP4199270A1 EP 4199270 A1 EP4199270 A1 EP 4199270A1 EP 22214581 A EP22214581 A EP 22214581A EP 4199270 A1 EP4199270 A1 EP 4199270A1
Authority
EP
European Patent Office
Prior art keywords
contact
contacting
conductors
conductor
contact assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22214581.5A
Other languages
German (de)
English (en)
Other versions
EP4199270B1 (fr
Inventor
Markus Bayer
Rainer Hunger
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.)
Wieland Electric GmbH
Original Assignee
Wieland Electric GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wieland Electric GmbH filed Critical Wieland Electric GmbH
Publication of EP4199270A1 publication Critical patent/EP4199270A1/fr
Application granted granted Critical
Publication of EP4199270B1 publication Critical patent/EP4199270B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/142—Their counterparts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34—Supporting elements displaceable along a guiding element
    • F21V21/35—Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
    • 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
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/4833—Sliding arrangements, e.g. sliding button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the invention relates to a system for contacting conductors with a contacting device and a number of conductors extending in the longitudinal direction, the contacting device comprising a contacting housing in which a corresponding number of contact assemblies is arranged, each contact assembly being assigned to a conductor, each contact assembly being a Contact element comprises, which occurs in the operating state in an electrical contact with the conductor, wherein the contact assembly is pivotally mounted in a pivot area and wherein the pivot axis is formed perpendicular to the longitudinal direction in the transverse direction.
  • Such systems generally relate to linear current distribution arrangements which are used in particular for lighting systems in buildings in order to lay lines for supplying devices with energy and/or signals in a cost-effective and visually appealing manner.
  • Signals are understood to mean both the transmission of general signals, such as control signals, and the transmission of data, such as measurement or information data.
  • the installation location of the devices can be chosen flexibly along a housing body of the power distribution arrangement and easily varied.
  • the devices can thus be electrically conductively contacted with the conductors of a linear supply unit at a variably definable installation location using a contacting element.
  • Such current distribution arrangements have the advantage that the devices are carried on the housing body both in an electrically contacting manner and also mechanically at the same time.
  • the contacting devices within the meaning of these applications include both feeders, as modules that feed the appropriate signals and / or energy into the conductor to be contacted, but also taps that the corresponding Pick up signals and/or energy from the contacting conductors and feed them to external end devices.
  • Linear power supply units which are mounted in a housing body, are usually used in the linear current distribution arrangements for distributing or forwarding the energy or signals.
  • These supply units can, for example, be in the form of current-carrying profiles, but also in the form of ribbon cables.
  • the current-carrying profiles are formed from a base body which extends in the longitudinal direction and has a number of chambers in which individual conductors are arranged.
  • These current-carrying profiles are generally rigid and have a limited length due to the manufacturing process.
  • For longer current distribution arrangements such as those used in larger factory buildings or warehouses, for example, several current-carrying profiles are usually required, which are then connected to one another both mechanically and electrically via a connecting element.
  • connection elements can also be used when ribbon cables are used.
  • Rigid round conductors are usually used as conductors, which are used or inserted into the chambers.
  • a contacting device with a number of contact elements which acts as a tap, then engages in these chambers and contacts the contact elements with the corresponding conductors, as a result of which the signals or energy can be routed from the conductors to the terminal devices via the taps.
  • this also applies to corresponding feeders.
  • the problem with this type of design is that due to the length of the linear systems, they are very susceptible to external thermal influences. This leads to a change in the length of the conductors or to a displacement of the conductors within the chambers in the longitudinal direction.
  • the object of the invention consists in particular in specifying a contacting device which has particularly low wear in the area of the contact zones with the conductors in the event of thermal changes in the length of the conductors and is therefore particularly durable and has particularly good contacting.
  • the invention is based on the consideration that particularly low wear is possible in particular if the relative movement between the two contact surfaces is kept low. This can be achieved in particular when the contact element or the contact assembly follows the change in length of the conductors due to external thermal fluctuations and does not remain rigid in one position. Since a complete, in particular linear displacement of the contacting device to compensate for the change in length of the conductors is not possible due to the fixation in receiving units, such as support profiles, or also due to the additional connections to the contacting device, or only shifts the problem, the invention takes the path that the individual contact assemblies compensate for the change in length individually and independently of one another. In order to avoid possible tensile forces on the external conductors connected to the contact assemblies in the event of a linear displacement of the contact assemblies, this displacement is dispensed with and the contact elements are tracked by pivoting or rotating about a pivot axis.
  • the contacting device For contacting a linear power supply with a linear current-carrying profile and a plurality of conductors arranged parallel to one another, the contacting device preferably has a plurality of contact assemblies which are arranged one behind the other in the transverse direction, ie according to the arrangement of the associated conductors. Even if, in principle, it is possible to couple several contact assemblies to form one assembly unit, and in individual cases could also be preferably implemented, in an advantageous embodiment, each of these contact assemblies is pivoted individually and independently of one another about the pivot axis, so that different expansions and displacements of individual conductors can also be tracked.
  • this contact force is provided by a spring element, in particular a leaf spring.
  • This spring element can be arranged in the contacting housing of the contacting device so that it moves the entire contacting assembly in the direction of the conductor. It is particularly advantageous if the leaf spring is arranged in a stationary manner in the contacting housing and the pivoting movement of the contact assembly does not follow, but is nevertheless designed in such a way that the contact force is sufficiently high over the entire pivoting range.
  • the leaf spring advantageously comprises an active area in the shape of a segment of a circle, in which the contact assembly rolls during the pivoting movement and is always subjected to a sufficiently high spring force.
  • the spring element can also be arranged in the contacting housing in such a way that it follows the pivoting movement.
  • the contact assemblies are preferably floating and freely mounted in the contacting housing.
  • the contacting housing comprises a pivoting device which, in an advantageous embodiment, comprises a receiving web running in the transverse direction.
  • the contact assembly includes a corresponding, essentially U-shaped bearing recess in the lower area, with which the contact assembly is placed on the receiving web.
  • the bearing recess at least partially encompasses the receiving bar and is pivotably arranged on it, with the receiving bar defining the pivot axis.
  • the contact assemblies are essentially T-shaped, with the central web enclosing the contact element and the arms enclosing connection options for external conductors in order to be able to connect terminal devices to the contacting device.
  • the bearing recess is advantageously arranged at the crossing point of the central web and the arms. Insertion openings are provided on both sides of the arms for the connection of the external conductors, which together form an insertion opening. So that tensile forces on the external conductors do not lead to a pivoting of the contacting device and thus to additional wear in the contact area between the contact element and the conductor to be contacted, the pivot axis intersects the insertion axis in an advantageous embodiment. As a result, additional torques due to the tensile forces and thus a rotational movement of the contacting device are avoided.
  • the contact element For contacting the conductors, the contact element emerges through an opening in the contacting housing.
  • This opening is wider in the longitudinal direction than the contact element, which allows pivoting within the opening.
  • the pivoting range is therefore defined over the width of the opening in the longitudinal direction and can be adjusted so that on the one hand sufficient contact pressure can be provided over the entire pivoting range and on the other hand common or expected length expansions of the conductors can be compensated.
  • the electrical contact over the entire pivoting range can be provided in a preferred manner in particular because the contact surface is designed to be widened in the longitudinal direction.
  • the contact element is thus designed as a contact sword.
  • the advantages achieved with the invention are, in particular, that by tracking each individual contact assembly, it is possible to react to changes in the length of the conductors or displacements of the conductors due to external thermal influences, so that there is a particularly small relative movement between the conductor and the contact element. This leads to particularly low wear and enables particularly durable and reliable electrical contacting of the conductors.
  • the contacting device 1 comprises a contacting housing 2, in which a number of contact assemblies 4 are arranged.
  • the contact assemblies 4 are arranged one behind the other in the transverse direction Q and are mounted individually in the contacting housing 2 .
  • the contacting device 1 also includes a holding device 6, which in the exemplary embodiment shown here is arranged laterally, i.e. in the transverse direction in front of and behind the contact assemblies 4, and enables the contacting device 1 to be fixed in a corresponding receptacle, for example in a support profile.
  • FIG. 2 An exemplary recording of a contacting device 1 in a support profile 8 is shown in figure 2 shown in cross section.
  • the support profile 8 comprises a linear current guide, which consists of a comb-like current guide profile 10, with a conductor 12 being inserted in each chamber.
  • the contact assemblies 4 in the contacting device 1 are arranged next to one another at a distance from one another in such a way that each contact assembly 4 is assigned a conductor 12 and thus each Contact assembly 4 can contact a conductor 12.
  • the contacting device 1 comprises a holding device 6, which is arranged on two lateral and opposite walls. This holding device essentially comprises a number of holding clips 14 which engage in corresponding undercuts 16 of the support profile and fix the contacting device 1 there.
  • a contact assembly 4 of the contacting device 1 is in the embodiment according to figure 3 shown in more detail.
  • the contact assembly 4 is essentially T-shaped, with the central web 18 of the contact assembly 4 encompassing the contact element 20 and the arms 22 of the contact assembly 4 being designed to accommodate conductors for external connection conductors.
  • the contact assembly 4 is oriented or inserted into the contacting device 1 in such a way that the arms 22 are formed in the longitudinal direction L and are thus parallel to the conductors 12 to be contacted and the central web 18 is oriented perpendicular to the longitudinal L and transverse direction Q in the contacting direction K .
  • the contact element 20 is in the embodiment figure 3 designed as a contact blade with a flat and wide contact surface in the longitudinal direction for contacting the conductor 12, for example the conductor 12 of the linear current flow from the exemplary embodiment 2 .
  • the contact surface is made of a conductive material 24 that extends along the central web to the arms 22 of the contact assembly 4.
  • the middle web 18 itself is made wider by means of an insulating material 26, as a result of which clearance and creepage distances can be maintained.
  • the arms 22 of the contact assembly 4 essentially each comprise a receptacle for connecting external conductors that are to be connected to the conductors 12 of the linear current guide via the contact assembly 4 .
  • the arms 22 each have an insertion opening 28 on their end faces, through which the external conductors can be inserted. In the interior area, these external conductors are pressed against the conductive material 24 of the contact element 4 by means of a torsion spring 30 and are thus fixed there.
  • the insertion openings 28 for the external Conductors are arranged on either side of the arms 22 and are in line. They thereby form an insertion axis for the external conductors.
  • the contacting device 1 with a contact assembly 4 is in longitudinal section in contact with a conductor 12 of a linear current flow in the embodiment 4 shown.
  • the contact assembly 4 is inserted into the contacting housing 2 of the contacting device 1, with the central web 18 of the contact assembly 4 protruding through an opening 32 on the upper side of the contacting housing 2 so that the contact element 20 can contact the conductor 12 running outside of the contacting device 1.
  • the contact assembly 4 is freely and floatingly mounted in the contacting device 1 .
  • the contacting device 1 comprises a receiving web 34 running in the transverse direction Q and the contact assembly 4 has a bearing recess 36 approximately in the area of the intersection of the central web 18 and the arms 22, which when the contact assembly 4 is inserted into the contacting device 1 the receiving web 34 embraces.
  • the contacting device 1 comprises a leaf spring 38 which is arranged in the bottom area of the contacting housing 2 and below the contact assembly 4 and exerts a spring force on the contact assembly 4 in the direction of the conductor 12 of the linear current guide.
  • the leaf spring 38 comprises two arms 40 which are formed in opposite directions in the longitudinal direction L and are supported on the bottom and the side walls of the contacting housing 1 at their arm ends.
  • the leaf spring 38 acts in its center on a formation 42 of the bearing recess 36 and presses the contact assembly 4 in the middle and in the direction of the contacting direction K.
  • the contact assembly 4 is mounted on the receiving bar 34 in such a way that it can be pivoted about the axis of the receiving bar 34 is.
  • the contact element 20 or the contact sword can be carried along over a partial area when the conductor expands and is displaced in the longitudinal direction L, as a result of which frictional wear is minimized.
  • Such entrainment and pivoting of the complete contact assembly 4 is in the embodiment according to figure 5 shown.
  • the receiving web 34 has a substantially circular cross-section and the bearing recess 36 is adapted to this circular shape, so that the contact assembly 4 is mounted floating and freely on the receiving web 34 .
  • the possible pivoting range is defined over the width of the opening 32 on the upper side of the contacting housing 2 or limited by this opening 32 .
  • the contacting device is specifically designed in such a way that it can compensate for a change in length or displacement of the conductor by around 2mm in both directions. This roughly corresponds to a swiveling range of 6° in both directions, i.e. a total swiveling range of around 12°.
  • the contact element 20 is always electrically connected to the conductor 12 within this pivoting range.
  • the leaf spring 38 has a bulge 44 in the shape of a segment of a circle in its center, in which the protrusion 42 of the bearing recess 36 can roll during pivoting . Adequate contact between the leaf spring 38 and the contact assembly 4 is thus made possible in every pivoting position.
  • the pivot axis ie the receiving web 34, intersects the insertion axis of the external conductor, so that an additional torque due to tensile forces is avoided here as far as possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP22214581.5A 2021-12-17 2022-12-19 Système de mise en contact de conducteurs avec des ensembles de contacts pivotants Active EP4199270B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021133752.6A DE102021133752B3 (de) 2021-12-17 2021-12-17 System zur Kontaktierung von Leitern mit schwenkbaren Kontaktbaugruppen

Publications (2)

Publication Number Publication Date
EP4199270A1 true EP4199270A1 (fr) 2023-06-21
EP4199270B1 EP4199270B1 (fr) 2024-10-16

Family

ID=84537982

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22214581.5A Active EP4199270B1 (fr) 2021-12-17 2022-12-19 Système de mise en contact de conducteurs avec des ensembles de contacts pivotants

Country Status (4)

Country Link
EP (1) EP4199270B1 (fr)
DE (1) DE102021133752B3 (fr)
ES (1) ES2998812T3 (fr)
PL (1) PL4199270T3 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017125270B3 (de) * 2017-10-27 2019-03-21 Wago Verwaltungsgesellschaft Mbh Abgriffsteckverbinder
DE102020100357A1 (de) * 2020-01-09 2021-07-15 Wieland Electric Gmbh Flachbandleitung als Stromführungsprofil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017125270B3 (de) * 2017-10-27 2019-03-21 Wago Verwaltungsgesellschaft Mbh Abgriffsteckverbinder
DE102020100357A1 (de) * 2020-01-09 2021-07-15 Wieland Electric Gmbh Flachbandleitung als Stromführungsprofil

Also Published As

Publication number Publication date
ES2998812T3 (en) 2025-02-21
EP4199270B1 (fr) 2024-10-16
PL4199270T3 (pl) 2025-02-17
DE102021133752B3 (de) 2023-04-20

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