WO1997050103A1 - Procede permettant de connecter une piece conductrice rigide avec des connecteurs flexibles - Google Patents

Procede permettant de connecter une piece conductrice rigide avec des connecteurs flexibles Download PDF

Info

Publication number
WO1997050103A1
WO1997050103A1 PCT/DE1997/001363 DE9701363W WO9750103A1 WO 1997050103 A1 WO1997050103 A1 WO 1997050103A1 DE 9701363 W DE9701363 W DE 9701363W WO 9750103 A1 WO9750103 A1 WO 9750103A1
Authority
WO
WIPO (PCT)
Prior art keywords
piece
conductor
solder metal
flexible
recesses
Prior art date
Application number
PCT/DE1997/001363
Other languages
German (de)
English (en)
Inventor
Sezai TÜRKMEN
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO1997050103A1 publication Critical patent/WO1997050103A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H01H2001/5827—Laminated connections, i.e. the flexible conductor is composed of a plurality of thin flexible conducting layers

Definitions

  • the invention relates to a method for connecting a rigid conductor piece of a switch contact system of a low-voltage circuit breaker with rope-shaped flexible conductors, an arrangement to be subjected to a soldering process being formed from the flexible conductors provided with solidified and calibrated end parts, the conductor piece and a solder metal piece, and this arrangement by Placing electrodes and introducing a current causing the melting of the solder metal piece is transferred into an inseparably connected assembly.
  • solder metal piece is introduced between the end parts of the flexible conductor and a flat end surface of the conductor piece.
  • Each of the end parts is temporarily connected to the conductor piece by a pin or cotter pin until the parts mentioned are permanently connected by soldering.
  • the end parts of the flexible conductors are inserted into recesses in the conductor piece. These recesses can be designed, for example, as bores or rectangular cutouts.
  • the end parts of the For this purpose, flexible conductors have a corresponding cylindrical or cuboid calibration
  • the invention has for its object to develop the above-mentioned method so that the aforementioned positioning of the end parts of the flexible conductor in recesses of the conductor piece can also be used in connection with a soldering process.
  • this object is achieved in that the solder metal piece together with an electrically highly conductive and a higher melting point than that
  • Separating piece having solder metal piece is introduced between one of the electrodes and said arrangement, the separating piece being located between the electrode and the solder metal piece
  • the separator makes it possible to apply the solder metal piece to the conductor piece equipped with the flexible conductors and to apply it through the electrode without the electrode being wetted by the molten solder.
  • the separator piece forms, so to speak, a lost auxiliary electrode and becomes part of the assembly.
  • the above-mentioned properties of the separating piece namely with good electrical conductivity and with a melting point above the melting point of the solder metal piece, can be achieved through the use of materials or semi-finished products for electrical engineering purposes are known and are generally available, for example foils or thin sheets of copper.
  • the conductor piece can have recesses extending between opposite end surfaces for receiving the calibrated end parts of the flexible conductor, similar to the arrangement mentioned for electron beam welding, a solder metal piece being placed on at least one of the end surfaces.
  • soldering the molten solder penetrates into the gap between the recesses and the end parts.
  • the penetration depth can be influenced in a known manner by suitable dimensioning of the gap width.
  • solder metal piece with an associated separating piece can be placed on both end faces.
  • the solder metal can therefore penetrate the gap from both sides.
  • This arrangement can preferably be used to connect flexible
  • the longitudinal axes of the conductor pieces and the flexible conductor are at an angle, in particular at right angles to one another, it proves to be advantageous if the end parts of the flexible conductor are arranged in a recessed manner with respect to the end face of the conductor piece and the solder metal piece protrudes into the recesses and protrudes up to approximately has projections reaching towards the end parts. On this way the is directly on the end faces of the
  • the penetration of the solder metal can be promoted in the sense of an enlargement of the bonding area in that the end parts of the flexible conductors are conically tapered.
  • the flexible conductors can have a conical section at the transition of the end part to the non-consolidated flexible region, the conical section of each flexible conductor m sealingly engaging the associated recess.
  • the recesses are aligned at right angles to the end face of the conductor piece.
  • the principle of the underlying method can also be realized by means of an arrangement in which the recesses are formed as grooves and the end parts of the flexible conductor are arranged with an approximately parallel orientation to the end face of the conductor piece. This arrangement is already known for use in the electron beam welding process according to WO 95/28724.
  • a Solder metal layer and a separating layer for forming a uniform semi-finished product are firmly connected to one another and that the semi-finished product is provided with embossments for forming projections in accordance with the arrangement of the recesses in the conductor piece.
  • the projections of the separating piece exert a pressing force when soldering onto the solder, which favors the filling of the gaps between the end parts of the flexible conductor and the recesses.
  • Semi-finished products can be made using the same methods as are known for other two-layer semi-finished products, e.g. B. by
  • FIG. 1 shows a three-pole low-voltage circuit breaker schematically simplified in a perspective view.
  • FIG. 2 also shows a schematic sectional illustration of a pole of the circuit breaker according to FIG. 1.
  • FIG. 2 illustrates the method according to the invention in connection with an arrangement shown in a side view, which has a conductor piece, a plurality of flexible conductors arranged in two rows and a solder metal piece with associated separating piece.
  • a side view which has a conductor piece, a plurality of flexible conductors arranged in two rows and a solder metal piece with associated separating piece.
  • One on both sides Dash-dotted line shows different positions of the interacting parts.
  • FIG. 4 shows the arrangement according to FIG. 3 in a top view without an attached electrode and without
  • Solder metal piece and separator but with electrodes attached to the side of the conductor piece.
  • FIG. 5 shows a conical end part of a flexible conductor with adjoining parts on an enlarged scale compared to FIG. 3.
  • FIG. 6 also shows, in a representation corresponding to FIG. 5, a conical end part of a flexible conductor which additionally has a conical section at the transition to the non-solidified area of the flexible conductor.
  • FIG. 7 shows a conductor piece with three flexible conductors attached to it, which extend in the longitudinal direction of the conductor piece.
  • FIG. 8 shows a first embodiment of the arrangement according to FIG. 7, the end parts of the flexible conductor being as thick as the associated conductor piece.
  • FIG. 9 shows a further embodiment of the arrangement according to FIG. 7, in which the end parts of the flexible conductor are arranged so as to protrude from an end face of the associated conductor piece.
  • FIG. 10 shows a profile view of a semifinished product from which solder metal pieces for the exemplary embodiment according to FIGS. 3 and 4 are to be produced, the scale being enlarged compared to the figures mentioned.
  • FIG. 11 shows the semi-finished product according to FIG. 7 in a top view.
  • a is a profile view as
  • Composite material formed semifinished shown which has a layer of solder metal and a separation layer.
  • the three-pole low-voltage circuit breaker 1 according to FIG. 1 is to be switched into a circuit to be protected by means of the indicated bus bars 2.
  • a housing 3 of the circuit breaker 1 is provided on the front with a control panel 4 which has push buttons 5 in a central field for manual operation. Display elements 6 show the respective operating state.
  • Display elements 6 show the respective operating state.
  • an electronic release 7 In a field on the left of the control panel 4 there is an electronic release 7 which controls the protective functions of the circuit breaker 1 in a known manner.
  • an operating handle 10 is arranged, which serves to tension a spring accumulator.
  • FIG. 2 The details of a pole of the circuit breaker 1 according to FIG. 1 are shown in FIG. 2.
  • the switch contact system 11 includes a movable switch contact 14 which, in a known manner, comprises a plurality of contact levers 15 arranged in parallel, which are attached to a pivotably mounted contact lever carrier 16.
  • Flexible conductors 17 connect the contact levers 15 to a lower connecting rail 18.
  • Both connecting rails 13 and 18 protrude from the housing 3 of the line switch 1 in order to be able to connect busbars 2 (FIG. 1) directly or by means of a disconnect contact arrangement.
  • Above the switch contact system 11 there is an arc-quenching chamber 20, the outlet opening of which is indicated in FIG. 1 on the top of the housing 3
  • a drive device 21, also indicated in FIG. 2, is used to actuate the switch contact system 11 and acts on the contact lever carrier 16 by means of a switch shaft 22 and a coupling rod 23.
  • the switching shaft 22 is common to all poles of the circuit breaker 1
  • FIG. 3 shows a conductor piece 25 which is part of the lower connecting bar 18 in FIG. 2 or this connection rail itself can represent the one
  • the end of the conductor piece 25 is shown cut to show recesses 26 arranged in two parallel rows, which extend between parallel opposite end faces 27 and 28 of the conductor piece 25, one at the end face
  • Exemplary embodiment formed by a funnel-like extension 30 The recesses 26 serve to accommodate ver and the recesses 26 adapted calibrated end parts 31 of the flexible conductor 17th
  • a state is shown which occurs during preparation for soldering, in which the end parts 31 are aligned with the recesses 26, but have not yet been inserted into them.
  • a solder metal piece 33 and an associated separating piece are also shown 34 made of copper sheet aligned with the mouths 29 (FIG. 4) of the recesses 26 on the end surface 27, but not yet placed on the end surface 27. Accordingly, an electrode 35, which is provided for introducing a current used to heat the parts shown, is also provided a distance from the separator 34
  • the dash-dotted line 32 is also entered in FIG. 4. Since the parts located above the end face 27 are omitted in this figure, only the recesses 26 with their mouths 29 and the funnel-shaped extensions 30 are visible. The recesses located above the line 32 are with the end parts 31 of the flexible seed head 17 populated, so that end faces 37 of the end parts
  • Lateral electrodes 40 are also shown, which together with the electrode 35 serve to introduce a current.
  • the number of recesses 26 or the flexible conductor 17 depends in a known manner on the amount of the current to be transmitted and can therefore be chosen accordingly by a person skilled in the art.
  • the parts described are shown in a position suitable for soldering.
  • the solder metal piece 33 engages with projections 36 in the recesses 26 or in their conical extensions 30, as a result of which contact is made with the end faces 37 of the end parts 31.
  • the end parts 31 protrude relative to the orifices 28, namely introduced into the recesses 26 up to approximately the end of the conical extensions 30 and fixed in a suitable manner in this position.
  • the solder metal piece 36 melts and the solder penetrates into the gaps between the recesses 26 and the End parts 31 a.
  • the projections 36 of the solder metal piece 33 ensure that a sufficient amount of solder is available to form a bonding area with a required size between the conductor piece 25 and the end parts 31 to manufacture.
  • the separator 34 prevents wetting of the
  • FIG. 5 shows an enlarged section of the
  • Conductor piece 25 with a single recess 26 which, in contrast to FIG. 3, has no extension.
  • the flexible conductor 17 is provided with an end part 41 which has a conical tip 42.
  • a corresponding conical annular gap 43 is formed, which promotes deep penetration of the solder metal.
  • an end part 44 of the flexible conductor 17 is conical overall.
  • a conical section 46 at the transition between the end part 44 and a non-solidified area 45 of the flexible conductor 17.
  • the conical annular gap 43 extends and extends practically over the entire length of the recess 26 the end surface 28 is sealed by the conical section 46.
  • FIGS. 7 and 8 are particularly suitable for connecting fewer flexible conductors 17 arranged in one plane with a conductor piece 47 or 58, which can be part of one of the contact levers 15 (FIG. 2) or can represent this contact lever itself.
  • a conductor piece 47 or 58 which can be part of one of the contact levers 15 (FIG. 2) or can represent this contact lever itself.
  • conductor pieces of different thicknesses can be used to design the solder joints differently. Therefore, the conductor piece shown in Figure 7 provided with two reference numbers, one of which is the reference number
  • the further reference symbol 58 denotes a conductor piece with a greater thickness. Accordingly, the recesses of the two types of conductor pieces 47 and 57 are designated in FIG. 7 with 51 and 60, respectively.
  • the embodiment with thinner conductor pieces 47 is first considered on the basis of the slightly enlarged and partially sectioned side view in FIG. 8. As can be seen, the end parts 50 of the flexible conductor 17 are aligned flush with parallel opposite end surfaces 52 and 53 of the conductor piece 47. A solder metal piece 54 is placed on each of the end faces. Between everyone
  • a piece of solder metal 54 and an electrode 55 and 56 is also a likewise flat separator 57. This design means that the gaps between the end parts 50 and the recesses 51 are exposed to solder metal from both sides during soldering.
  • the thickness of the conductor piece 58 is selected so as to deviate from the thickness of the end parts 50 in such a way that the end parts 50 assume a position which is set back from the one end face 53: a solder metal piece 62 with projections projects into the mouths 61 of the recesses 60 63.
  • the solder metal piece 62 is wave-shaped.
  • a separator 64 to be placed on the solder metal piece 62 is flat in the example shown, but can also by a wavy shape on the solder metal piece
  • Electrodes 65 and 66 are shown in FIG. 9, of which the upper electrode 65 is provided for contact with the separating piece 64, while the lower electrode 66 interacts with a lower end face 67 of the conductor piece 57.
  • Dash-dotted lines indicate a nose 70, which can be provided for capturing the respective outer end parts 50.
  • FIGS. 10 and 11 show an enlarged representation of a semifinished product 72 from which solder metal pieces corresponding to the solder metal piece 33 in FIG. 3 can be produced.
  • the semifinished product 72 has approximately dome-shaped projections 73 in the division of the recesses 26 (FIGS. 3 and 4) and in the spacing of the parallel rows of these recesses.
  • the associated separating pieces 34 (FIG. 4) can be produced as sections of a commercially available sheet or strip-shaped sheet.
  • FIG. 12 also shows on an enlarged scale a semi-finished product 74 produced as a composite material, which consists of a solder metal layer 75 and one there is also sheet-shaped separating layer 76.
  • Layers 75 and 76 are e.g. B. firmly connected by rolling. Embossments 77 ensure the formation of
  • the semi-finished products 72 (FIGS. 10 and 11) or 72 (FIG. 12) can be designed to be corrugated instead of the dome-shaped projections 73 and 78 in order to use them for the arrangement according to FIGS. 7 and 9.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

L'invention concerne un procédé permettant de connecter une pièce conductrice (25) rigide avec un conducteur (17) flexible, selon lequel une partie d'extrémité (31) du conducteur (17) flexible est introduite dans un évidement (26) de la pièce conductrice (25). Sur une face d'extrémité (27) de la pièce conductrice, face sur laquelle débouche l'évidement (26), est placé un morceau de brasure (33). Une pièce de séparation (34) est également insérée entre le morceau de brasure (33) et une électrode (35) au moyen de laquelle un courant peut être amené à des fins de chauffage. Lors de l'opération de brasure, la pièce de séparation (34) reste pour constituer une fermeture fixe de la face d'extrémité (27) de la pièce conductrice.
PCT/DE1997/001363 1996-06-26 1997-06-26 Procede permettant de connecter une piece conductrice rigide avec des connecteurs flexibles WO1997050103A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996127324 DE19627324A1 (de) 1996-06-26 1996-06-26 Verfahren zur Verbindung eines starren Leiterstückes mit biegsamen Leitern
DE19627324.2 1996-06-26

Publications (1)

Publication Number Publication Date
WO1997050103A1 true WO1997050103A1 (fr) 1997-12-31

Family

ID=7799146

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1997/001363 WO1997050103A1 (fr) 1996-06-26 1997-06-26 Procede permettant de connecter une piece conductrice rigide avec des connecteurs flexibles

Country Status (2)

Country Link
DE (1) DE19627324A1 (fr)
WO (1) WO1997050103A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20020789A1 (it) † 2002-04-12 2003-10-13 Abb Service Srl Elemento di connessione di un conduttore flessibile e metodo per connettere un conduttore flessibile ad un terminale di collegamento

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4922068A (en) * 1988-05-26 1990-05-01 Bangs Edmund R Densified braided switch contact
WO1995028724A1 (fr) * 1994-04-19 1995-10-26 Siemens Aktiengesellschaft Ensemble contact de commutation pour interrupteur electrique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988563A (en) * 1972-11-09 1976-10-26 Amp Incorporated Welding method and means using foil electrode
US3934784A (en) * 1975-05-27 1976-01-27 Industrial Research And Development Corporation Method for interjoining stranded wire cable ends
FR2665026B1 (fr) * 1990-07-19 1992-09-18 Merlin Gerin Procede de connexion par soudage d'un conducteur flexible a un doigt de contact, et structure de contact electrique a plusieurs lamelles.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4922068A (en) * 1988-05-26 1990-05-01 Bangs Edmund R Densified braided switch contact
WO1995028724A1 (fr) * 1994-04-19 1995-10-26 Siemens Aktiengesellschaft Ensemble contact de commutation pour interrupteur electrique

Also Published As

Publication number Publication date
DE19627324A1 (de) 1998-01-02

Similar Documents

Publication Publication Date Title
EP0374648A2 (fr) Dispositif de connexion d'un câble électrique
DE60124977T2 (de) Elektrisches lötbares Verbindungselement mit Lötstelle
DE3621268A1 (de) Isoliergas-schalteinrichtung
DE2844888A1 (de) Vormaterial fuer elektrische kontakte
DE10046489C1 (de) Lötbares elektrisches Anschlußelement mit Lotdepot und dessen Verwendung
EP1162631B1 (fr) Connecteur pour connecter un câble-ruban plat
EP0906633B1 (fr) Systeme de contact de commutation d'un sectionneur de puissance de basse tension a conducteurs flexibles
DE2754581C2 (de) Elektrisches Verbindungselement
DE2515044B2 (de) Vorrichtung zur elektrischen verbindung einer vielzahl von mit abstand voneinander angeordneten elektrischen leitern
EP0110121A1 (fr) Revêtement chauffant électrique pour miroir
DE4416104C2 (de) Schaltkontaktanordnung eines elektrischen Leistungsschalters
DE2837318C2 (de) Anordnung zur Herstellung einer elektrischen Verbindung
EP0186846A2 (fr) Ressort de contact pour un relais bistable pour la commutation de courants forts
DE112013000132T5 (de) Flexible Leiterplatte sowie Verfahren zu deren Herstellung
WO1997050103A1 (fr) Procede permettant de connecter une piece conductrice rigide avec des connecteurs flexibles
DE3937089C2 (de) Elektrischer Anschluß für Folienleiter
DE2204760C3 (de) Trennschalter
EP0360368B1 (fr) Montage de contact butant à levier pour interrupteur de puissance à basse tension avec des contacts principaux et des contacts d'amorçage d'arc
DE758108C (de) Kontaktanordnung fuer elektrische Schaltgeraete
EP0570662B1 (fr) Ebauche pour la production de contacts électriques, ainsi que fabrication et utilisation de l'ébauche
EP1325538A1 (fr) Procede de connexion de cables plats
DE29615563U1 (de) Bewegbare Schaltkontaktanordnung mit Kontaktkraftfedern
DE2423932C3 (de) Bauelement für Schalt- und/oder Trennleisten in Verteilern für Fernmeldeanlagen, insbesondere Fernsprechvermittlungsanlagen
DE19512500C2 (de) Drehverbindersystem
EP1385183B1 (fr) Dispositif de contact de commutation comportant un levier de contact et un conducteur flexible

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: JP

Ref document number: 98502120

Format of ref document f/p: F

122 Ep: pct application non-entry in european phase