EP3477793B1 - Connecteur de dérivation - Google Patents

Connecteur de dérivation Download PDF

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Publication number
EP3477793B1
EP3477793B1 EP18200177.6A EP18200177A EP3477793B1 EP 3477793 B1 EP3477793 B1 EP 3477793B1 EP 18200177 A EP18200177 A EP 18200177A EP 3477793 B1 EP3477793 B1 EP 3477793B1
Authority
EP
European Patent Office
Prior art keywords
contact
spring
insulating material
elements
conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18200177.6A
Other languages
German (de)
English (en)
Other versions
EP3477793A3 (fr
EP3477793A2 (fr
Inventor
Herr Henryk BIES
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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Filing date
Publication date
Application filed by Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP3477793A2 publication Critical patent/EP3477793A2/fr
Publication of EP3477793A3 publication Critical patent/EP3477793A3/fr
Application granted granted Critical
Publication of EP3477793B1 publication Critical patent/EP3477793B1/fr
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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
    • 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
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/031—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for multiphase cables, e.g. with contact members penetrating insulation of a plurality of conductors

Definitions

  • the invention relates to a tap connector with an insulating housing and with a contact element movably mounted in the insulating housing, which is designed for electrically conductive contacting of electrical conductors of a current-carrying profile, a spring element being arranged between a support of the insulating housing and the contact element and the contact element by the spring element can be acted upon by a spring force.
  • busbar systems with profile elements which have a comb-like cross-section with webs and grooves formed thereby and electrical conductors received in the grooves.
  • these electrical conductors are received in the grooves, e.g. on the side walls of the webs, and can be contacted in an electrically conductive manner by a tap-off connector with contacts protruding into the grooves.
  • DE 10 2011 056 043 B4 shows a busbar tap element with an insulating material housing and an electrically conductive contact arm provided for contacting an electrical conductor of a comb-like busbar.
  • An electrically conductive holding arm extends parallel to the contact arm, with a free space for receiving a comb teeth of the busbar being present between the contact arm and the holding arm.
  • the electrical conductors are contacted in an electrically conductive manner laterally by the contact arm.
  • U.S. 3,771,103 A discloses a system for the installation of electrical lines in buildings with a current conducting profile, in the grooves of which electrical conductors are received.
  • a tap connector is provided which has pin contacts that dip into the grooves of the current-carrying profile and rest on the electrical conductor to be contacted.
  • the pin contacts are pressed against the electrical conductors with a spring preload.
  • the contact lug of a connection line can be clamped on, for example, with a contact screw, which is also provided for fixing the spring for a contact lug.
  • JP 2003 045541 A shows an electrically conductive connector with an insulating material housing.
  • the electrical connector has two connection elements for electrical conductors, the second connection element being designed as a spring.
  • the first connection element is movably arranged with respect to the spring, a contact leg of the spring making electrically conductive contact with the first connection element.
  • WO 02/27870 A1 discloses spring contact pins with elastic arm elements which generate the spring pressure on the spring contact pins.
  • the spring contact pins are arranged in a housing, part of the spring contact pins being arranged outside the housing and part being arranged inside the housing.
  • the elastic arm elements are designed as springs and apply a spring force to the spring contact pins.
  • the object of the present invention is to create an improved tap connector which, with a very compact design, ensures a reliable connection contact for an electrical conductor of a current-carrying profile, the contact elements being connectable to an electrical conductor in a reliable and simple manner.
  • the spring element be a U-shaped bent leaf spring with a spring leg, a spring arch adjoining the spring leg and a contact leg adjoining the spring arch.
  • the contact element rests on the spring leg so that it can move relative to the spring leg.
  • the contact leg rests on the support of the insulating material housing and has a conductor connection contact for connecting an electrical connection conductor, e.g. for an incoming or outgoing line or a data connection.
  • the conductor connection contact is formed in one piece with the leaf spring from the sheet metal material of the leaf spring and has a spring arm for clamping an electrical connection conductor.
  • the conductor connection contact can be formed directly on the leaf spring with a simple and compact structure and inexpensive production using the forming process.
  • the leaf spring with its resilient properties provided for applying force to the contact element, also provides the spring properties desired for clamping an electrical connection conductor by means of spring force through the spring arm.
  • an electrical connection conductor can simply be plugged into the conductor connection contact of the leaf spring in order to be clamped to the conductor connection contact there with the aid of the spring arm.
  • plug contacts for the electrical connection conductor with a spring arm have proven themselves in conductor connection technology.
  • the contact element is not integrally or in one piece with the spring element, but rests on the spring leg so that it can move relative to the spring leg, the pivoting movement of the spring leg of the spring element is decoupled from the linear movement of the contact element. In this way, the contact force of the spring leg when fully deflected is transferred to the contact element movably mounted in the insulating material housing largely without friction losses and tilting of the contact element when force is applied by the U-shaped leaf spring is prevented. Due to the decoupled or two-part design of the contact element and the spring element, an optimized material selection can also be made for both components with regard to the required properties, for example spring elasticity and electrical conductivity.
  • the conductor connection contact and the contact element are also decoupled from one another, so that a force caused by a conductor path advantageously does not move from the conductor connection contact to the contact element and thus also not to the contact point between the contact element and an electrical conductor of the current carrying profile.
  • the contact limb is supported on the support of the insulating material housing, so that the spring force of the leaf spring is concentrated on the contact element via the spring limb, which is movable relative to the supported, resting contact limb. Because the contact leg has a conductor connection contact, with a very compact design and relatively short current paths, an electrical connection conductor clamped to the conductor connection contact of the contact leg can be connected in an electrically conductive manner via the leaf spring and the contact element to the electrical conductor of a current-carrying profile (e.g. a busbar rod). The contact resistances are sufficiently low.
  • the contact element can be mounted in a web of the insulating material housing.
  • the contact element is thus accommodated in the web of the insulating material housing so as to be linearly displaceable.
  • This web of the insulating material housing can then dip into a groove in the current-carrying profile in which the electrical conductor of the current-carrying profile is arranged.
  • the web thus serves on the one hand for mounting and guiding the contact element, in that there is a corresponding free space in the web for receiving the contact element, and on the other hand for guiding and Storage of the tap connector in the chamber-like current-carrying profile.
  • the web can then also provide electrical insulation for the side surfaces of the contact element.
  • the conductor connection contact can have two spaced apart spring arms which have a decreasing distance towards their spring arm ends and are designed to clamp an electrical connection conductor between the spring arm ends.
  • Such a pair of spring arms aligned facing one another forms a conductor entry funnel for the electrical connection conductor to be clamped. Due to the two spring arms facing each other, the electrical connection conductor is clamped between the spring arm ends, the contact force being optimally concentrated on the relatively small contact surfaces of the spring arm ends with the electrical connection conductor. This increases the surface pressure and optimally utilizes the clamping force of the spring arms.
  • the contact resistance can be reduced in this way and the power line cross-sections can be increased by using two spring arms.
  • a side wall can be bent away from the contact leg of the leaf spring.
  • the spring bow can be formed on a part of the side wall that is exposed from the contact leg. With the help of such a side wall bent away from the contact leg, the folding provides a stable surface from which the spring arm formed integrally from the side wall protrudes.
  • the side wall provides a guide wall for the electrical connection conductor, which reaches the at least one spring arm past a side wall, in order then to be clamped on by the spring arm end.
  • a plurality of contact elements can be arranged in the insulating material housing, each cooperating with a spring element.
  • the tap connector can have a plurality of contact elements, ie at least two or more contact elements, each of which is pressed with its spring element onto the electrical conductor of a current-carrying profile to be contacted when the tap-off connector is placed on the current-carrying profile to be contacted.
  • the insulating material housing can have several webs extending parallel to one another.
  • the contact elements are then stored in the webs.
  • a comb-like current-carrying profile can then be contacted by the tap connector in such a way that several electrical conductors arranged next to one another in grooves of the current-carrying profile are contacted by the contact elements dipping into the grooves.
  • contact elements can be positioned at a distance in a row next to one another and in at least two rows one behind the other in the insulating material housing. In this way it is possible to increase the air and creepage distances and to provide a conductor connection for the supply and discharge lines to be clamped to the tap connector on several levels or from two opposite end faces of the tap connector.
  • next to one another is understood to mean that the elements are directly adjacent or are indirectly related to one another with elements lying between them.
  • the insulating housing can be composed in several parts from a base body and insert elements.
  • the insert elements are then designed for receiving and mounting the contact elements and for optionally plugging them into slots in the base body for receiving one insert element in each case.
  • a tap connector can be adapted by inserting and fixing insert elements at selected slots of the base body so that the tap connector fulfills a desired contacting requirement of selected electrical conductors of the current-carrying profile.
  • a tap connector can also be adapted to optionally be rotated by 180 degrees, depending on the equipment of the insert elements, to be plugged onto the current-carrying profile.
  • the insert elements also preferably accommodate the spring elements.
  • the insert elements can also be arranged displaceably within a row for a phase selection.
  • the at least one contact element can be designed as a flat sheet metal part with a contact end tapering towards a contact tip.
  • Tip contacting of the electrical conductor of a current-carrying profile with the contact tip is provided, in which the contact force of the U-shaped leaf spring is concentrated on the contact tip of the contact element and from there on the electrical conductor to be contacted.
  • the contact tip is also suitable for digging into the electrical conductor in order to penetrate oxide layers in this way. In this way, the contact resistance can be further reduced.
  • the flat design of the contact element, designed as a blade contact, for example, is particularly advantageously suitable for being received in recesses in a narrow section of the insert element which dip into grooves of a current-carrying profile.
  • the end of the contact element diametrically opposite the contact end can be widened by bending over, folding over or also by punching and can form a support for the spring element.
  • a contact element can be formed from a sheet metal element which, through the widened end, provides a sufficient support surface for the spring element and is otherwise kept narrow for insertion into a groove in the current-carrying profile.
  • Figure 1 shows a first embodiment of a tap connector 1, which has an insulating material housing 2 formed from several parts.
  • the insulating material housing 2 is composed of a base body 3 and insert elements 4, which likewise each have a housing element made of insulating material.
  • the base body 3 of the insulating material housing 2 has a transversely extending, slot-like conductor insertion opening 5 which is designed for inserting a plurality of electrical connection conductors 6 into the insulating material housing 2.
  • the electrical connection conductors 6 can thus be guided into assigned, selected insert elements 4 and clamped there.
  • contact elements 7 protrude from the insert elements 4 and are mounted so as to be linearly displaceable in the insulating material housing part of the insert elements 4.
  • the contact elements 7 are designed as a flat sheet metal part with a contact end tapering to a contact tip 8.
  • This contact tip 8 protrudes from the insert element 4, which has a web, on the upper edge of the insert element 4 and can be pushed into the insert element 4 by the action of a compressive force, so that the contact tip 8 then ends approximately flush with the upper edge of the insert element 4 or even further in this dips into it.
  • the base body 3 has web-like protruding web elements 9, the insert elements 4 each being able to be inserted into the space between two such web elements 9. They form web elements 9 together with the insert element 4 a web. This intermediate space between two such web elements 9, which are arranged in a row one behind the other, thus provides a slot 10 for inserting an insert element 4.
  • the base body 3 has two side walls 11a, 11b on the outer sides, between which the web elements 9 are arranged in rows that form a plurality of webs. These side walls 11a, 11b can laterally encompass a current-carrying profile.
  • the web elements 9 can dip with the insert elements 4 as webs in grooves of the current-carrying profile in order to contact the electrical conductors located there.
  • FIG. 4 shows a perspective view of the tap connector 1 from FIG Figure 1 looking at the back at an angle. It can be seen that there is also a slot-shaped conductor insertion opening 5 for receiving a plurality of electrical connection conductors 6. Furthermore, two separate conductor entry openings 12 are provided in the form of individual channels, each for receiving an electrical connection conductor 6 to an associated insert element 4. One of these conductor entry openings 12 is provided, for example, for a ground contact (protective earth PE) in order to provide sufficient electrical insulation through this separate conductor entry opening 12 with the largest possible air and creepage distances to the lines leading to the electrical potential.
  • a ground contact protecting earth PE
  • Another such separate conductor entry opening can also be provided for receiving data lines which are just as sensitive to influences from electrical voltage potential.
  • slots 10 in the base body 3 in the space between the web elements 9 arranged one behind the other in a row, in order to accommodate insert elements 4 there. These could optionally be used at selected, required slots.
  • the electrical conductors in the current-carrying profile are arranged alternately on two planes transversely to the direction of longitudinal extent of the webs and grooves, so that the contact elements 7 are also positioned alternately in two height levels transversely to the web direction.
  • Figure 3 a shows a perspective sectional view of an insert element 4 with an insulating material housing part 14 in which a sword-like contact element 7 formed from a flat sheet metal material is received. It is clear that the triangular contact tip 8 of the contact element 7 protrudes from the insert element housing 14.
  • the insert element housing 14 there is a guide slot 15 for receiving the contact element 7 such that the contact element 7 is mounted in the insert element housing 14 such that it can be linearly displaced.
  • the contact element 7 is covered laterally by corresponding side wall sections of the insert element housing 14, which provide corresponding guide walls.
  • the insert element housing 14 has a lower, wide base section 16 and an adjoining, narrower web section 17.
  • the contact element 7 is mounted in the web section 17.
  • the wider base section 16 has a recess for receiving a U-shaped bent leaf spring 18, which is supported with a contact leg 19 on a support 20 of the insert element 14 as part of the insulating material housing 2.
  • a spring bow 21 adjoins the contact limb 19 and merges into a spring limb 22 opposite the contact limb 19.
  • the spring leg 22 exerts a spring force in the form of a compressive force on the separate contact element 7, which rests on the spring leg 22 with a support 23 at its end opposite the contact tip 8.
  • the end area of the spring leg 22 is bent in a U-shape in order to form a reduced contact surface 24.
  • the adjoining free end of the spring leg 22 is bent away from the contact element 7 in the direction of the contact leg 19 for this purpose.
  • the contact element 7 is thus supported on the U-shaped bent leaf spring 18 and is not connected to the leaf spring 18.
  • the contact element 7 and the spring leg 22 of the leaf spring 18 are thus relatively movable to one another, the spring leg 22 exerting a spring force on the contact element 7, which moves the contact element 7 away from the leaf spring 18 in the contact direction K, so that the contact tip 8 is out of the front edge of the web portion 17 is pushed out in order to contact an electrical conductor.
  • a contact force is exerted by the contact tip 8 on an electrical conductor of a current-carrying profile to be contacted, which is determined by the leaf spring 18.
  • the leaf spring 18 also has a conductor connection contact 25. In the exemplary embodiment shown, this is formed in one piece from the contact leg 19.
  • two opposing side walls 26 are bent from the side edge of the contact leg 19. These side walls 26 protrude in the same direction towards the contact element 7 and, together with the contact leg 19 providing a base, form a channel for guiding a stripped end of an electrical connection conductor 6 to a terminal point.
  • the clamping point is provided by two spring arms 27 which are bent towards one another, i.e. bent out of the plane of the side walls 26 to the opposite plane of the opposite side wall 26. These spring arms 27 are formed in one piece from the side walls 26 and cut free from the contact leg 19. The spring arms 27 are thus movable and can clamp the stripped end of an electrical connection conductor 6 with their free end. This is clamped between the two spring arms 27.
  • Figure 3 b shows a perspective sectional view of a modified insert element 4. It can be seen that the guide slot 15 for receiving the contact element 7 is widened from the leaf spring 18 to the opposite opening.
  • the guide slot 15 can, for example, have a conically increasing width.
  • the contact element 7 is thus still guided through the parallel side walls of the web section 17 which delimit the guide slot 15. However, it can perform tilting movements in the widening, V-shaped receiving shaft. This is particularly advantageous when the length of the contacted electrical conductor changes.
  • the contact element 7 has a concavely curved support surface of the support 23 for the spring leg 22. Because the end face of the support 23 facing the support surface 24 of the leaf spring 18 is curved, the friction between the support 23 and the support surface 24 is reduced.
  • the conductor connection contact 25 is arranged on the side of the contact limb 19 facing away from the spring limb 22, so that the contact limb 19 rests on lateral elevations of the cover part 30.
  • the assembly can thus be simplified.
  • FIG. 4 shows a perspective view of the insert element 4 from FIG Figure 3 a) . It becomes clear that the narrower web section 17 protrudes from the wider base section 16 and is positioned approximately centrally on the base section 16. It can also be seen that the insert element 4 in its base part 16 has a conductor insertion opening 28 for inserting an electrical connection conductor 6 to the conductor connection contact 25.
  • contact tip 8 of the contact element 7 protrudes from the upper edge of the web section 17.
  • FIG. 4 shows a perspective view of the insert element 4 from FIG Figure 3 b) . It is clear that the opening of the guide slot 15 is significantly wider than the contact element 7 received therein, which can thus perform a tilting movement.
  • Figure 5 a shows a side sectional view of the insert element 4, now with an electrical conductor 29, arranged above the contact tip 8, of a current-carrying profile to be contacted (not shown). It becomes clear that the contact tip 8 of the contact element 7 is pressed onto the electrical conductor 29 in the contact direction K by the clamping force of the U-shaped bent leaf spring 18. This allows the contact tip 8 to penetrate the surface of the electrical conductor 29 and penetrate any oxide layers and to ensure a good electrically conductive contact between the electrical connection conductor 6 clamped to the conductor connection contact 25 and the electrical conductor 29 of a current-carrying profile to be contacted with the contact element 7.
  • the conductor connection contact 25 of the U-shaped bent leaf spring 18 is aligned such that the electrical connection conductor 6 to be clamped there extends approximately parallel to the electrical conductor 29 of a current-carrying profile to be contacted with the contact element 7.
  • the spring arms 27 of the conductor connection contact 25 are aligned transversely to the direction of longitudinal extent of the contact element 7 and the contact direction K.
  • the contact element 7 is located above the conductor connection contact 25 of the U-shaped leaf spring 18, the spring arch 21 of which lies in the conductor insertion direction for the electrical connection conductor 6 into the conductor connection contact 25 behind the conductor connection contact 25.
  • the insert element 4 has a cover part 30 with which the base section 16 is closed after the U-shaped bent leaf spring 18 and the contact element 7 have been inserted into a corresponding receiving space and which provides a support 20 for the contact leg 19 of the leaf spring 18 .
  • the contact element 7 has a widened support 23 on the side opposite the contact tip 8.
  • This support 23 can also be formed, for example, by bending over, folding over or upsetting the sheet metal element from which the contact element 7 is formed.
  • the support is formed by fingers protruding laterally from the surface plane of the contact element 7 and the front edge of the contact element 7.
  • FIG. 14 shows a side sectional view of the modified insert element 4 from FIG Figures 3 b) and 4 b) now with an electrical conductor 29, arranged above the contact tip 8, of a current-carrying profile to be contacted (not shown).
  • FIG. 4 shows a side view of the insert element 4 from FIG Figure 5 a) now in a state in which the contact element 7 is displaced opposite to the contact direction K in the direction of the conductor connection contact 25 and contact leg 29 of the leaf spring 18. It becomes clear that the contact element 7 is mounted in a linearly displaceable manner in the insert element housing 16 of the insert element 4. As a result, the distance between the electrical conductor 29 of a current-carrying profile (not shown) to be clamped and the insert element 4 in comparison to the state in FIG Figure 5 is reduced, the contact element 7 is pressed further into the insert element 4.
  • the leaf spring 18 now exerts a spring force in the contact direction K due to the displacement of the spring leg 22 towards the contact leg 19 which presses the contact tip 8 relatively strongly against the electrical conductor 29 of the current-carrying profile to be clamped.
  • This provides a very reliable electrical contact.
  • this is largely independent of the distance between the insert element 4 and the electrical conductor 29 of a current-carrying profile to be clamped.
  • FIG. 4 shows a side view of the modified insert element 4 in a corresponding manner Figure 5 b) in the deflected contact state.
  • the contact element 7 can perform a tilting movement due to the guide slot 15 widening towards the opening, through which the contact tip 8 can move in the direction of extent of the contacted electrical conductor 29 in order to compensate for a change in length of the electrical conductor 29.
  • Figure 7 a shows a perspective view of the U-shaped bent leaf spring 18 with the conductor connection contact 25 molded in one piece thereon. It becomes clear that the contact leg 19 tapers, ie becomes narrower, in the area of the conductor connection contact 25. It can also be seen that side walls 26 opposite one another are bent from the contact leg 19 from the side edges. Spring arms 27 projecting in the direction of the spring arch 21 are then connected to these side walls 26. These are bent towards one another at an angle and out of the respective plane of the side wall 26.
  • the spring leg 22 has a contact surface 24 with a U-shaped bend at the free end.
  • This contact surface 24 rests on a support 23 of the separate contact element 7.
  • This support 23 is formed by the end face of the contact element 7 diametrically opposite the contact tip 8. In order to prevent the contact pin 7 from falling out, this support 23 can be widened in the width direction in comparison with the main section of the contact element 7 adjoining it, as shown. However, it is also conceivable that the contact element 7 is still bent transversely to the surface of the contact element in this area in order to form a support surface and a stop.
  • the contact element 7 has an indentation 31 in this exemplary embodiment.
  • an approximately central region extending in the contact direction K is bent out of the main plane of the contact element 7. This reshaping of the contact element 7 to form the indentation 31 improves the buckling resistance of the contact element 7.
  • Figure 7 b shows a perspective view of the U-shaped bent leaf spring 18 with the contact element 7 with in comparison to FIG Figure 7 viewing direction rotated by 180 °. It can be seen that the contact element 7 is movable relative to the spring leg 22 and is supported on the curved contact surface 24. Furthermore, the spring arms 27 protruding from the side walls 26 running parallel to one another and facing one another can be seen, through which the channel width is reduced starting from the side walls 26 and which can clamp an electrical connection conductor 6 with their free end edges.
  • Figure 8 a shows a perspective view of the modified contact element 7 with a U-shaped bent leaf spring 18.
  • the conductor connection contact 25 with the spring arms 27 is arranged on the side of the contact leg 19 which is diametrically opposite the spring leg 22 and the contact element 7.
  • the contact leg 19 thus delimits the conductor receiving space towards the spring leg 22, while the cover element 30 delimits the conductor receiving space on the opposite side.
  • the contact leg 19 and the cover element 30 thus contribute to guiding the electrical conductor to the clamping point on the spring arms 27.
  • the support 23 is curved concavely on its support surface 24 of the spring leg 22. This reduces the friction between the support surface 24 and the support 23.
  • FIG. 4 shows a perspective view of the modified contact element 7 from FIG Figure 8 a) in a view rotated by 180 degrees. It becomes clear that the support surface 24 of the spring leg 22 dips into the depression of the support 23, which results from the arcuate curvature.
  • Figure 9 shows another embodiment of a tap connector 1 in a partially transparent representation.
  • the insulating material housing 2 is constructed in several parts and has a base body 3 in which the U-shaped bent leaf springs 18 with the contact elements 7 are received.
  • this base body 3 has webs formed integrally therewith, which extend parallel to one another and leave a free space and are adapted to corresponding grooves of a current-carrying profile to be contacted.
  • webs 9 have alternating heights, so that low and high webs alternate.
  • the contact elements 7 are inserted displaceably in recesses of such webs or, in conjunction with separate insert elements 4, are installed in spaces between such webs 9.
  • the contact elements 7 and leaf springs 18 provided for the low webs are received directly in the base body 3.
  • the base body 3 is covered on the underside by a cover element 32, which serves as a support for the contact legs 19 of the leaf springs 18.
  • the contact elements 7 and leaf springs 18 can thus be inserted into the base body 3.
  • the base body 3 is then closed by the cover element 32, which is latched to the base body 3 by suitable latching elements or is connected by joining, for example by means of gluing or welding.
  • FIG. 4 shows a perspective view of the tap connector 1 from FIG Figure 9 . It becomes clear that contact elements 7 are installed in a row R1, R2 at a distance in the base body 3, with two rows R1, R2 being positioned one behind the other in the insulating housing 2. It is also conceivable that there are more than two rows R1, R2, for example three or four rows or even just a single row R1.
  • the contact elements 7 for the lower webs 9 are arranged in the first row R1 and the contact elements 7 for the higher webs 9 in the second row R2. This increases the contact spacing and the air and creepage distances between the webs 9 arranged next to one another in comparison to a variant in which the webs 9 lying next to one another have their contact elements 7 in the same row.
  • Figure 11 shows a partially transparent view of the tap connector 1 from Figure 9 and 10 . It is clear that the base body 3 is closed by the cover element 32, which serves as a support for the U-shaped bent leaf springs 18 built into the base body 3 in the first row.
  • FIG. 11 shows a perspective view of the base body 3 of the tap connector 1 from FIG Figures 9 to 11 .
  • the base body has 3 receiving chambers 33 which are next to one another in a row R1 and separated from one another by partition walls. These are adapted to accommodate the leaf springs 18 bent in a U-shape.
  • Approximately rectangular guide openings 34 lead from the receiving chambers 33 into the non-visible webs on the opposite side in order to receive a contact element 7 in each case.
  • Figure 13 shows a perspective view of the cover part 32 from the underside, which has cuboid supports 35 which are arranged next to one another and which are positioned in a row at a distance from one another. These cuboid supports 35 are adapted to be inserted into the receiving chambers 33 of the base body 3 Figure 12 to immerse and provide a support for the contact leg 19 of a leaf spring 18 there.
  • FIG. 4 shows a perspective view of the base body 3 in comparison with FIG Figure 12 opposite side. It becomes clear here that the guide openings 34 are provided in the lower webs 9, which open into the respective receiving chamber 33 and are adapted to receive a contact element 7. It is also clear that the webs 9 arranged next to one another in the transverse direction and extending parallel in a common longitudinal direction end in a free space 35 which provides a slot for separate insert elements 4 in order to arrange contact elements for the higher webs 9.
  • Figure 15 shows a side sectional view of a further variant of the insert element 4, in which the contact element 7 has several contact tips 8. These contact tips 8 claw into the electrical conductor 29 to be contacted.
  • the guide slot 15 is so wide that the contact element 7 can move back and forth in the direction of view to the right and left. In this way, the contact element 7 can follow the movement of the electrical conductor 29 in its direction of extension.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (12)

  1. Connecteur enfichable de prélèvement (1) comportant un boîtier en matériau isolant (2) et un élément de contact (7) monté de manière mobile dans le boîtier (2) en matériau isolant et réalisé pour la mise en contact électriquement conductrice de conducteurs électriques (29) d'un profilé conducteur de courant,
    dans lequel
    un élément de ressort est disposé entre un support (20, 35) du boîtier en matériau isolant (2) et l'élément de contact (7),
    l'élément de ressort est un ressort à lame (18) qui est plié en forme de U et qui présente une branche de ressort (22), un coude de ressort (21) adjacent à la branche de ressort (22) et une branche d'appui (19) adjacente au coude de ressort (21),
    la branche d'appui (19) repose sur le support (20, 35) du boîtier en matériau isolant (2) et comporte un contact de raccordement de conducteur (25), et
    le contact de raccordement de conducteur (25) est réalisé d'un seul tenant avec le ressort à lame (18) en le matériau de tôle du ressort à lame (18) et comporte un bras de ressort (27) pour serrer un conducteur de raccordement électrique (6),
    caractérisé en ce que
    - l'élément de contact (7) peut être sollicité avec une force élastique par l'élément de ressort, et en ce que
    - l'élément de contact (7) repose sur la branche de ressort de façon mobile par rapport à la branche de ressort (22).
  2. Connecteur enfichable de prélèvement (1) selon la revendication 1, caractérisé en ce que l'élément de contact (7) est monté dans une barrette du boîtier en matériau isolant (2).
  3. Connecteur enfichable de prélèvement (1) selon l'une des revendications précédentes,
    caractérisé en ce que le contact de raccordement de conducteur (25) présente deux bras de ressort (27) espacés l'un de l'autre, qui présentent une distance décroissante vers leurs extrémités de bras de ressort et qui sont réalisés pour serrer un conducteur de raccordement électrique (6) entre les extrémités de bras de ressort.
  4. Connecteur enfichable de prélèvement (1) selon l'une des revendications précédentes,
    caractérisé en ce qu'une paroi latérale (26) est pliée à partir de la branche d'appui (19) du ressort à lame (18), et le bras de ressort (27) est réalisé à partir d'une partie de la paroi latérale (26) dégagée de la branche d'appui (19).
  5. Connecteur enfichable de prélèvement (1) selon l'une des revendications précédentes,
    caractérisé en ce qu'une pluralité d'éléments de contact (7) sont disposés dans le boîtier en matériau isolant (2) en coopérant chacun avec un élément de ressort.
  6. Connecteur enfichable de prélèvement (1) selon la revendication 5,
    caractérisé en ce que le boîtier en matériau isolant (2) présente une pluralité de barrettes (9, 17) s'étendant parallèlement les unes aux autres, et les éléments de contact (7) sont montés dans les barrettes (9, 13).
  7. Connecteur enfichable de prélèvement (1) selon l'une des revendications précédentes,
    caractérisé en ce que des éléments de contact (7) peuvent être positionnés à distance en une rangée (R1, R2) les uns à côté des autres et en au moins deux rangées (R1, R2) les unes derrière les autres dans le boîtier en matériau isolant (2).
  8. Connecteur enfichable de prélèvement (1) selon l'une des revendications précédentes,
    caractérisé en ce que le boîtier en matériau isolant (2) est en plusieurs parties et comporte un corps de base (3) et des éléments d'insert (4), les éléments d'insert (4) étant réalisés pour recevoir et monter des éléments de contact (7) et pour être insérés au choix dans des emplacements d'enfichage (10) du corps de base (3) destinés à recevoir chacun un élément d'insert (4).
  9. Connecteur enfichable de prélèvement (1) selon l'une des revendications précédentes,
    caractérisé en ce que ledit au moins un élément de contact (7) est réalisé sous forme de pièce de tôle plate présentant une extrémité de contact ayant au moins une pointe de contact (8).
  10. Connecteur enfichable de prélèvement (1) selon la revendication 9,
    caractérisé en ce que l'extrémité de l'élément de contact (7) diamétralement opposée à l'extrémité de contact est élargie et forme un support (23) pour l'élément de ressort.
  11. Connecteur enfichable de prélèvement (1) selon la revendication 1,
    caractérisé en ce que le boîtier en matériau isolant (2) est formé par un corps de base (3) et par des éléments d'insert (4) pouvant être insérés au choix dans le corps de base, et en ce que
    les éléments d'insert (4) sont réalisés pour recevoir et monter d'autres éléments de contact (7) et pour être insérés au choix dans des emplacements d'enfichage (10) du corps de base (3) destinés à recevoir chacun un élément d'insert (4),
    l'élément de ressort étant disposé entre le support (20, 35) de l'élément d'insert (4) et l'élément de contact (7).
  12. Connecteur enfichable de prélèvement (1) selon l'une des revendications précédentes,
    caractérisé en ce que l'élément de contact (7) est monté dans un espace libre (15) de manière à pouvoir être basculé ou être déplacé transversalement à la direction d'extension.
EP18200177.6A 2017-10-27 2018-10-12 Connecteur de dérivation Active EP3477793B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017125270.3A DE102017125270B3 (de) 2017-10-27 2017-10-27 Abgriffsteckverbinder

Publications (3)

Publication Number Publication Date
EP3477793A2 EP3477793A2 (fr) 2019-05-01
EP3477793A3 EP3477793A3 (fr) 2019-06-26
EP3477793B1 true EP3477793B1 (fr) 2021-04-07

Family

ID=63840740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18200177.6A Active EP3477793B1 (fr) 2017-10-27 2018-10-12 Connecteur de dérivation

Country Status (3)

Country Link
EP (1) EP3477793B1 (fr)
CN (1) CN109728451B (fr)
DE (1) DE102017125270B3 (fr)

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CN111817064B (zh) * 2020-08-07 2021-11-09 宁波公牛电器有限公司 翻盖装置及插座
DE102021133752B3 (de) 2021-12-17 2023-04-20 Wieland Electric Gmbh System zur Kontaktierung von Leitern mit schwenkbaren Kontaktbaugruppen
DE102021133713A1 (de) * 2021-12-17 2023-06-22 Trilux Gmbh & Co. Kg Modulare Leuchte mit Kontakteinrichtung

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JPH0346965U (fr) 1989-05-25 1991-04-30
WO2002027870A1 (fr) 2000-09-25 2002-04-04 Avx Corporation Prise electrique
JP2002184502A (ja) 2000-12-18 2002-06-28 Jst Mfg Co Ltd 電気コネクタ
JP3748795B2 (ja) * 2001-07-30 2006-02-22 ホシデン株式会社 コネクタ
DE102007033945B4 (de) 2007-07-19 2010-03-04 Wago Verwaltungsgesellschaft Mbh Steckverbinderanordnung
DE102011056043B4 (de) 2011-12-05 2014-01-16 Wago Verwaltungsgesellschaft Mbh Stromschienenabgriffelement
DE202015106730U1 (de) 2015-12-10 2017-03-13 Electro Terminal Gmbh & Co Kg Stecker für Durchgangsverdrahtung

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WO2022223732A1 (fr) * 2021-04-21 2022-10-27 Trilux Gmbh & Co. Kg Dispositif de contact à contact d'alimentation complémentaire configurable

Also Published As

Publication number Publication date
CN109728451B (zh) 2021-12-10
DE102017125270B3 (de) 2019-03-21
CN109728451A (zh) 2019-05-07
EP3477793A3 (fr) 2019-06-26
EP3477793A2 (fr) 2019-05-01

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