EP0621656B1 - Elektrische Anschlussklemmeinrichtung - Google Patents

Elektrische Anschlussklemmeinrichtung Download PDF

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Publication number
EP0621656B1
EP0621656B1 EP94105419A EP94105419A EP0621656B1 EP 0621656 B1 EP0621656 B1 EP 0621656B1 EP 94105419 A EP94105419 A EP 94105419A EP 94105419 A EP94105419 A EP 94105419A EP 0621656 B1 EP0621656 B1 EP 0621656B1
Authority
EP
European Patent Office
Prior art keywords
contact
terminal device
housing
contact spring
constructed
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.)
Expired - Lifetime
Application number
EP94105419A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0621656A2 (de
EP0621656A3 (de
Inventor
Dieter Hammer
Karl Biebl
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.)
Vossloh Schwabe Deutschland GmbH
Original Assignee
Vossloh Schwabe 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 Vossloh Schwabe GmbH filed Critical Vossloh Schwabe GmbH
Publication of EP0621656A2 publication Critical patent/EP0621656A2/de
Publication of EP0621656A3 publication Critical patent/EP0621656A3/de
Application granted granted Critical
Publication of EP0621656B1 publication Critical patent/EP0621656B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/2462—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the contact members being in a slotted bent configuration, e.g. slotted bight
    • 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

Definitions

  • the invention relates to an electrical terminal device with a housing made of insulating material, at least an insertion slot that is open to the edge on an insertion side for an electrical line and at least one arranged in the housing, forming a contact zone Insulation displacement contact with an open edge and on the insertion slot aligned insulation displacement slot for conductor connection has, the insulation displacement contact on a Contact spring is formed.
  • Electrical terminal devices of this type for example in the form of terminals or terminal strips, allow contacting of the conductors according to the so-called Insulation displacement technology.
  • This technique offers special in the automatic production of wiring for devices, such as lights, considerable advantages because no own actuation of clamping elements, such as screws or the like is required.
  • connection element known from DE 30 24 249 A1 for electrical jumper wires different
  • the contact spring is folded over by 180 °, being in the folded area with two Insulation displacement contacts is formed, which is designed are that jumper wires of different diameters can be pinched.
  • the contact spring also carries at the end of one of her thighs a socket pin, during the end section of her other leg designed as a plug contact in the manner of a flat plug can be.
  • None is disclosed about the structure of the housing.
  • US-A 5 061 203 discloses one two-part device connector with a plug part and one to be attached to the device to be connected Socket part in which to manufacture the electrical Connection the plug part is inserted.
  • the contact spring of the new terminal device points in addition to the insulation displacement contact, at least one Plug contact and a contact for a device connection on.
  • Your insulation displacement slot is above the open-edge insertion slot on the insertion side of the housing for the conductor connection freely accessible from the outside, with the the insertion slot formed on at least one side, groove-like depression in length, depth and width is dimensioned such that a connection line contained therein is touch-proof.
  • the device connection contact is in one embodiment as Plug contact formed, this device connection contact and the additional plug contact that is otherwise available with opposite insertion directions of the to be connected Parts are designed so that their insertion openings for the parts to be connected on opposite Housing sides are arranged.
  • the device connection contact has an embodiment at least one socket pin protruding from the housing on for a solder or clamp connection of a connected part is set up and at the same time if necessary also for the mechanical connection of the Connection device with a circuit board, etc. used can be.
  • This embodiment is particularly closed use when it comes to connecting equipment in To be used with circuit boards or printed circuits.
  • the plug contact is expedient with a detachable conductor connection designed so that a connecting line contacted here, for example additional equipment, such as a capacitor in lamp wiring can optionally be solved again.
  • additional equipment such as a capacitor in lamp wiring
  • the contact for the device connection for the permanent connection of a connector of the device is set up so that the connection device no longer removed from the device by the user can be.
  • the plug contact is usually cut out by with the part to be connected spreading Tabs formed in the contact spring, which coincide with the one to be connected Lock the part and manufacture it a well conductive electrical contact jam the contact spring.
  • the connector is either detachable or non-detachable. If it is to be detachable, it is on the contact spring more accessible from the outside of the device with a release tool Unlocking area assigned, the rag by one in the unlocking area on the contact spring pressure force in the release direction elastic are deformable.
  • a release tool in the Usually a screwdriver is used as is common is.
  • the contact spring is a flat spring.
  • the contact spring can in the area of the insulation displacement slot by 180 ° be turned to improve contact to ensure with the conductor to be connected (cf. in this connection OS 2 330 159).
  • the housing receiving the contact spring has in one expedient embodiment at least two one above the other arranged chambers on which the contact spring crosses are and of which one chamber the plug contact and the other chamber contains the device connection contact, whereby the chambers have entries for the parts to be connected are assigned and otherwise provided, if necessary, support and guide devices for the contact spring are. For reasons of space, it is usually advisable if the two chambers below the insulation displacement contact containing housing part are arranged.
  • the Contact spring Around to prevent the contact spring when pressing the Leader in their insulation displacement slot is the Contact spring with advantages in the bottom chamber against one on the insulation displacement slot in the longitudinal direction of the contact spring acting force supported.
  • the housing can also be a transverse Opening or recess for receiving a device-side Fasteners are designed so that the terminal device also mechanically without additional equipment to be able to attach.
  • base pin (s) is the Socket pin usually cut on the contact spring and designed appropriately. Basically, he can naturally also connected to the contact spring and then possibly made of a different material his.
  • the contact spring essentially U-shaped with a double-walled, from the web of the Outgoing U-shaped part containing the insulation displacement slot Section is bent, being on the two Legs socket pins are cut. So that results For each contact spring there is a support at two locations spaced locations where both are electrically conductive Parts can be connected.
  • the additional plug contact is expediently on one of the two legs of the contact spring, but there is also the possibility of plug contacts on both legs to provide.
  • connection device is for all wiring in low voltage circuits suitable and is particularly suitable for automatic production such wiring using one of one Robot routed tool according to the program on.
  • connection device directly with at least one Device connection contact is provided, it is often from Advantage, the connection device directly on the device to fix it yourself, which is sometimes advisable for on the connection side of the device itself precautions for secure connection of the new terminal device create.
  • ballast for gas discharge lamps or a Low voltage transformer
  • connection terminal often in the form of a luster clamp that is either on the laminated core or on a Base plate is fixed.
  • ballast or transformers are made for winding head insulation Plastic existing caps provided that the The laminated core is then placed on the respective winding head are.
  • connection side Insulating material cap protruding like a pin or to form pieces of pipe that have a slot at the bottom, in which a winding wire is inserted, whereby then on the pin or pipe section by crushing (Crimping) a cable end sleeve is attached to the Pin or pipe section is mechanically firmly held and on which the winding wire is electrically connected in this way is.
  • connection device can now with its device connection contact directly onto that of this cable end sleeve formed connector part plugged and with this unsolvable be locked.
  • Such a direct plug connection is also possible for all devices where a pin or plug-like connection part is available, on which the connection device can be plugged directly can.
  • ballast or transformer the outer line connection to manufacture on a board that, for example is arranged electrically insulated on the base plate and that can carry additional circuit elements that manufacturer's ballast or transformer be assigned.
  • a board that, for example is arranged electrically insulated on the base plate and that can carry additional circuit elements that manufacturer's ballast or transformer be assigned.
  • a single-pole terminal shown new terminal has an existing of insulating material Housing 1 of substantially rectangular cross-sectional shape on that on both opposite Sides two parallel molded skirting boards 2 carries and that with fasteners in the form of a nearby the flat bottom surface 3 arranged continuous longitudinal slot 4 provided with a rectangular cross-sectional shape is.
  • the terminal is with its bottom surface, for example on the base plate 5 an electrical ballast 6 placed and on this by means of a notched from the base plate bent tab 7 attached by the longitudinal slot 3 protrudes and at its free end if necessary is slightly bent down.
  • the two side walls 8 of the up to its line insertion side towards the open housing 1 carry on the inside two opposite ribs 9, the approximately in the middle between the two end faces 10 of the housing lying and between them a slightly wedge-shaped or insertion slot 11 with parallel flanks (FIGS. 1, 11) limit that on its top by insertion bevels 12 is broadened.
  • ribs 9 extend from below on the Housing height consistently two opposite each other narrow grooves 14 (Fig. 1, 6), the two of which are open at the edge Cutting clamp slot 15 delimiting leg 16 of an insulation displacement contact that is attached to a contact spring 17 (Fig. 8, 9) made of spring steel or bronze or another conductive spring material is arranged, the in the form of a flat spring or a spring plate is trained.
  • the narrow, plate-shaped contact spring 17 is in the housing as shown in FIG. 6 1 except for those formed on the legs 16 Insulation displacement slot 15 facing cutting sections on all sides embedded in the insulating material of the housing 1, the two legs 16 being limitedly movable in the grooves 14 are led.
  • the contact spring at 18 is the contact spring at 18 (Fig.
  • FIGS. 1, 5 and 6 points the housing 1 on both sides of the ribs 9 and thus the Insertion slot 11 then each have a groove-like depression 20, 21 substantially rectangular or light wedge-shaped cross-sectional shape that next to the insertion slot 11 to the overhead cable insertion side of the housing 1 opens.
  • the two groove-like depressions 20, 21 are mutually and with the Insertion slot 11 arranged in alignment. You are up also limited by an insertion bevel 22.
  • Fig. 3 shows that the depth of the two groove-like Wells 20, 21 is larger than that of the insertion slot 11, but with the opening on the front face groove-like recess 21 is deeper than the other groove-like depression leading to the rear 20.
  • the width the groove-like depressions 20, 21 is much larger than that of the insertion slot 11.
  • the breadth and depth of the groove-like depressions 20, 21 and their axial length are dimensioned in such a way that for the management and in particular for their cut end 23 automatically Protection against contact results. That means that the standardized Not touching fingers when testing for touch safety up to the cut end face of the End 20 of the line 22 in the depth of the associated groove-like Well 20 can penetrate.
  • the metallic one Insulation displacement contact on the contact spring 17 itself is with his legs 16 in the grooves 14 of the insulating material housing 1 completely protected from the outside. It is in one such depth that even in the area of the insertion slot 11 absolute contact security is given.
  • Plug contact points 27, 28 and 29 are formed in the area below the insulation displacement slot 15 and of the envelope at 18 in particular 8.
  • the two adjacent plug contact points 27, 28 serve for connecting electrical cables while the ones below arranged, in the plane of symmetry with the insulation displacement slot 15 lying plug contact point 29 for the connection the terminal to an appropriately designed electrical conductive connector of a device, for example the ballast 6 (Fig. 3) is determined.
  • This Connection part can also be a connecting wire, such as in general at the plug contact point 29 a line can be permanently connected.
  • the plug contact points 27, 28 are of the same design. she each have two through rectangular openings as well punched through at right angles to each other Dividing lines 32, 33, 34 delimited essentially T-shaped Flaps on the crossbar at 35 in one essentially triangular area slightly oblique are too pronounced inside.
  • Fig. 6 shows that the upper two plug contact points 27, 28 lie approximately on a central axis of the chamber 24 and to two horizontal insertion openings 36 in the chamber end wall are aligned to the front insertion channels 38 widening towards the clamp in a funnel shape Connect circular cross-section. Between the insertion channels is a rectangular opening in the end wall of the chamber provided to the front of the contact spring 17 leads and which allows a release tool, for example a screwdriver, insert and in the area the dividing line 33 on the T-shaped tabs of the Push plug contacts 27, 28, so that one in between to release the locked conductor.
  • a release tool for example a screwdriver
  • the device connection also designed as a plug connection 29 lies centrally in the lower chamber 25 (FIG. 6), the one on the other side of the contact spring 17 Front of housing leading rectangular in cross section Opposite opening 42, for example, the insertion a test probe allows the operating status of the connected device.
  • the opening 42 is limited by housing walls, the length of which is dimensioned that the contact spring 17 is touch-safe to the outside is recorded.
  • the chamber 25 is with one to the rear of the housing opening insertion funnel 43 formed, the mounting of the connection terminal on a device facilitated.
  • the ballast 6 is on both sides of the laminated core each with an essentially rectangular shape Insulating material existing cap 44 for the in Fig. 5 provided at 45 indicated winding head.
  • the cap 44 On the in Fig. 3 connection side shown is the cap 44 on its front with two parallel to the side walls subsequent, vertical, molded guide rails 45 provided that emerge from the plane of the front wall and are limited to parallel flanks.
  • Each of the guide rails 45 carries one in cross section in the lower region essentially rectangular extension 46, on the turn a molded, horizontally aligned, protruding Tube 47 sits on the bottom with an over the length of the insertion slot 48 is provided, the inside of the winding head 45 containing the Cover 44 opens.
  • the connecting wires are through the two insertion slots 49 led out of the coil of the ballast 6.
  • she are each electrically conductive with a cable end sleeve 50 connected, which is squeezed onto the associated pipe section 47 (crimped) and thus firmly with the cover cap 4 connected is.
  • each terminal When installing the connection terminals on the pre-assembled Ballast 6, each terminal is simply on the base plate 5 is placed on the cover 44 pushed, the fastening tab 7 in the longitudinal slot 3 occurs.
  • the pen-like protruding dimensionally stable cable end sleeve 50 through the insertion funnel 43 automatically into the chamber 25 and from this into the Device connector 29 inserted and inserted with the contact spring 17 contacted.
  • the two T-shaped Tab 38 of the contact spring 37 in FIG. 5 evidently spread outward into the opening 43. They lock themselves positively with the Cable end sleeve 50, so that a permanent connection made between the cable end sleeve 50 and the contact spring 17 becomes.
  • the terminal pushed onto the cover 44 is designed to be essentially in a cross section rectangular connection area 51 (Fig. 6, 7) its rear side engages around the respective guide bar 45, as can be seen from Fig. 5. So that is not just a form-fitting bracket for the terminal housing 1 ensured on the cap 44 but it will at the same time the occurrence of inadmissible Creepage paths prevented. It is also a perfect one Protection against accidental contact is also given at these points.
  • the clamping can be carried out by means of a recess 39 (Fig. 7) introduced release tool in the already described Way to be solved.
  • the terminal described can naturally also as two-pole or multi-pole terminal be formed, such as this is the second embodiment described below shows, of which in Fig. 2 is a two-pole and in the 10 to 14 illustrates a seven-pole variant is.
  • FIGS. 10 to 14 While in the embodiment of Fig. 1, the device connection is formed at 29 as a plug contact and Terminal together in the manner shown in Fig. 5 together can be used with a ballast 6 is the embodiment of FIGS. 10 to 14, in particular for use with printed circuit boards Determines circuits and the like, such as this in particular can be seen from Fig. 10.
  • a terminal strip 1a (Fig. 2) or 1b (Fig. 10 to 13) made of insulating material are several insulation displacement contacts that are electrically separated from each other side by side in a row in housing sections arranged, designed the same among themselves are.
  • Such a housing section is therefore sufficient to explain only for an insulation displacement contact:
  • the upper part of the housing 1a, 1b is essentially similar to Fig. 1 to the line insertion side designed open. Is between two side walls 9a an insertion slot 11a between each of the ribs 10a limited, next to the two narrow grooves 14a for receiving a corresponding section of a contact spring 17a (Fig. 14 to 16) are provided.
  • the contact spring 17a has one in the area of each insertion slot aligned insulation displacement slot 15a on both Sides are each delimited by a leg 16a.
  • In the housing 1a, b are on both sides of the insulation displacement contact two elongated groove-like depressions 20a, 21a (Fig. 13) trained, their length, width and depth similar to is dimensioned in the embodiment of FIG. 1.
  • the contact spring 17a is bent substantially in a U-shape; she has two legs 60a, 61a, which are separated by a web 62a are connected to one another in extension of the leg 60a arranged flat double-walled Area 63a connects the insulation displacement slot 15a contains. This ensures that even at this embodiment a contacting of the insulation displacement technique connected conductor to four separate Contact points.
  • transverse slot 64a are in the side walls of the respective chamber 24a two guide grooves 65a (Fig. 12) associated with the leg 61a laterally to lead.
  • the other leg 60a is closed in that of FIGS. 15, 17 withdrawing in its upper area with right angles backwards on the leg 61a to be edged strip-like Wall parts 67a provided for stabilization this area of the contact spring 17a serve and 12 in the assembled state Bear sideways against the walls of chamber 24a, with their free longitudinal edges in the housing support points 40a are assigned, which is an impermissible Deformation of the contact spring 17a under the action of a prevent loosening tool introduced through the opening 39a, as has already been explained.
  • the leg 60a In the area of the chamber 24a is the leg 60a Contact spring 17a a plug contact 27a formed with the line insertion opening 36a is aligned.
  • the plug contact 27a is designed similarly to the plug contact 27 according to FIG. 8, so that it suffices to use the same reference numerals specify. It in turn has two essentially T-shaped ones cut tabs 270a, which by a transverse dividing line 33a separated from one another and in 15 shown in Fig. 15 to be inclined inwards pronounced inclined to the plane of the leg 60a are.
  • Locking tabs indicated at 19a (Fig. 15, 17) are used for the stationary locking of the contact spring 17a in the housing 1a, b.
  • the two legs 60a, 61a are at their lower ends each provided with a base pin 70a, 71a, which over the underside of the case protrudes and is slightly beveled on one side is.
  • the contact springs With their socket pins 70a, 71a the contact springs in the manner shown in FIG. 10 inserted into corresponding openings 72a of a circuit board 73a, on which the terminal device with its housing 1a, b is placed.
  • the board 73 serves in this Trap against the electrical connection of the indicated at 6a Ballast, for example as electronic ballast designed a number of electrical components can contain their own connections require.
  • Individual insulation displacement contacts can optionally be used the connection device also as a line base for the further wiring of the entire luminaire to be used.
  • the board 73a is on the mounting rail 5a of the ballast 6a arranged and by means of at least one locked to this cut tab 7a by a corresponding slot-like opening of the circuit board 73a protrudes and is bent.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Multi-Conductor Connections (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP94105419A 1993-04-20 1994-04-08 Elektrische Anschlussklemmeinrichtung Expired - Lifetime EP0621656B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4312778 1993-04-20
DE4312778A DE4312778C3 (de) 1993-04-20 1993-04-20 Elektrische Anschlußklemmeinrichtung

Publications (3)

Publication Number Publication Date
EP0621656A2 EP0621656A2 (de) 1994-10-26
EP0621656A3 EP0621656A3 (de) 1996-06-26
EP0621656B1 true EP0621656B1 (de) 2000-08-02

Family

ID=6485851

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94105419A Expired - Lifetime EP0621656B1 (de) 1993-04-20 1994-04-08 Elektrische Anschlussklemmeinrichtung

Country Status (8)

Country Link
US (2) US5575679A (es)
EP (1) EP0621656B1 (es)
JP (1) JPH07111169A (es)
AT (1) ATE195203T1 (es)
AU (1) AU677035B2 (es)
DE (2) DE4312778C3 (es)
ES (1) ES2148253T3 (es)
SG (1) SG43105A1 (es)

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US5061203A (en) * 1991-04-15 1991-10-29 Amp Incorporated Magnetic ballast connector system
US5292260A (en) * 1993-01-21 1994-03-08 The Whitaker Corporation Ballast connector for lighting fixture
DE4306795C2 (de) * 1993-03-04 1995-01-19 Grote & Hartmann Kontaktelement
DE69405060T2 (de) * 1993-07-15 1998-03-26 Molex Inc Drahtverbindevorrichtung und Anschlussklemme dazu

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ES2148253T3 (es) 2000-10-16
DE4312778C3 (de) 2001-10-25
ATE195203T1 (de) 2000-08-15
DE4312778A1 (de) 1994-10-27
US5575679A (en) 1996-11-19
EP0621656A2 (de) 1994-10-26
EP0621656A3 (de) 1996-06-26
SG43105A1 (en) 1997-10-17
DE59409462D1 (de) 2000-09-07
US5669785A (en) 1997-09-23
AU677035B2 (en) 1997-04-10
AU5912494A (en) 1994-10-27
DE4312778C2 (de) 1996-05-09
JPH07111169A (ja) 1995-04-25

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