EP1149394B1 - Procede pour assembler un corps de contact et un conducteur flexible, et forme de presse pour la mise en oeuvre dudit procede - Google Patents

Procede pour assembler un corps de contact et un conducteur flexible, et forme de presse pour la mise en oeuvre dudit procede Download PDF

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Publication number
EP1149394B1
EP1149394B1 EP00903555A EP00903555A EP1149394B1 EP 1149394 B1 EP1149394 B1 EP 1149394B1 EP 00903555 A EP00903555 A EP 00903555A EP 00903555 A EP00903555 A EP 00903555A EP 1149394 B1 EP1149394 B1 EP 1149394B1
Authority
EP
European Patent Office
Prior art keywords
contact body
length
flexible conductor
semifinished product
contact
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
EP00903555A
Other languages
German (de)
English (en)
Other versions
EP1149394A1 (fr
Inventor
Harald Kurzmann
Ulrich Helmke
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 AG, Siemens Corp filed Critical Siemens AG
Publication of EP1149394A1 publication Critical patent/EP1149394A1/fr
Application granted granted Critical
Publication of EP1149394B1 publication Critical patent/EP1149394B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
    • Y10T29/49139—Assembling to base an electrical component, e.g., capacitor, etc. by inserting component lead or terminal into base aperture
    • Y10T29/4914—Assembling to base an electrical component, e.g., capacitor, etc. by inserting component lead or terminal into base aperture with deforming of lead or terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147—Assembling terminal to base
    • Y10T29/49151—Assembling terminal to base by deforming or shaping

Definitions

  • the invention relates to a method for producing a Assembly of a current path of a switching device, the assembly a rigid contact body and one made of partial conductors existing flexible conductor piece includes.
  • Modules of the type mentioned are part of many electrical Switchgear, especially those where the rigid Contact body is arranged movably and by a drive mechanism for switching the switching device on and off can be actuated (EP 0 756 752 B1). To do this, he works with a Rigid contact body provided with a relative contact pad stationary counter contact together. Under a relative stationary arrangement is understood in the present context, that a component designated hereby is part of a switching device to which the movable contact arrangement heard.
  • the switching devices considered here include multi-pole Low voltage circuit breakers with a rated current up to several 1000 A, several or a plurality of Have contact bodies. With such circuit breakers represent the cost of connecting the contact body with a not inconsiderable part of the flexible ladders total manufacturing costs.
  • a method has become known from FR 1 279 798 A that for connecting a wire to a rigid conductor serves. Following this procedure, a partial length of wire in a dovetail groove of a connection or other conductor piece by applying a pressure pushed.
  • the cross section of the wire is chosen so that this is only partially received in the groove and a remaining volume of a mushroom or cross section web-like projection.
  • the wire is plastic, the connector or conductor piece with the In contrast, the groove is only elastically deformed. Therefore none comes for the non-detachable connection required for the purposes of the invention between the two conductors to be connected.
  • the invention is based on a method of the beginning kind explained the task, one with good Quality inexpensive manufacture of assemblies of the mentioned Kind of allow.
  • This object is achieved according to the invention in that a partial length of a section of the flexible conductor piece forming semi-finished product by means of mechanical compression a pressing force up to the yield point and this forms all or part of the rigid contact body is while the flexible conductor piece by one of the Compression excepted second partial length of the section of the mentioned semi-finished product is formed.
  • a first partial length of a section one for the production of the flexible conductor piece used semi-finished product with one intended for the connection Contact surface of a separately provided contact body brought into contact and the partial length mentioned due to a pressing force acting against the contact surface Establishment of a flat connection mechanically compressed.
  • the rigid contact body by mechanical compression of a first Partial length of a section for producing the Flexible conductor piece used semi-finished product be, while the flexible conductor piece by one of the Compression excepted second partial length of the section of the mentioned semi-finished product is formed.
  • the semi-finished product used in the invention e.g. finely stranded copper wire, one for electrical purposes has the usual clean and uniform quality, it will possible when using an appropriate pressure be to produce compacts with a density that conventional solid material not inferior. But it cannot excluded that the semi-finished product used in the Storage or locally contaminated during manufacture and / or is partially oxidized. If such material in Processed in an automated manufacturing process, so can parts deviating from the specified quality standard without being recognizable on the outside. The cause can e.g. Inclusions and insufficient bonding. After a Design of the methods described can lead to quality deviations of the type described can be avoided that mechanical compaction in the presence of a Flux is carried out. Another advantage is achieved that a lower pressing pressure is sufficient and therefore Material and mold are less stressed.
  • the assembly under Manufacture using an existing contact body so this can preferably be done using a die happen that a chamber for receiving an end portion of the Contact body and the first partial length of the semi-finished product as well has an inlet opening for the partial length of the semi-finished product, the pressing force by means of an associated Press stamp is exercised.
  • the contact body is provided in the mentioned completely from the semi-finished product for flexible conductor pieces to produce, the process can be advantageous under Use of a mold with one corresponding to the contact body Chamber made that an entry opening for has the first partial length of the section of the semi-finished product.
  • the pressing force is by means of an associated one Press stamp exercised.
  • Both of the aforementioned types of process can also be used for production a contact arrangement with two or more flexible Conductor pieces are used per contact body. This can a mold with the entire cross section of the conductor pieces appropriately sized entry opening can be used.
  • the rigid contact body with according to the respective switching task Contact pad be provided.
  • Such a contact requirement can according to a further embodiment of the described Process in the compression of the semi-finished product at least partially embedded in the semi-finished product.
  • the contact pad with at least an extension intended for embedding in the semi-finished product be provided.
  • Figure 1 illustrates a die for a method for producing an assembly of the current path of a switching device using a separately provided contact body.
  • FIG. 2 A method is shown in FIG. 2 on the basis of another mold illustrates in the rigid contact body with a attached flexible conductor from one for flexible conductor pieces used semi-finished products are produced.
  • FIG. 3 shows the mold according to FIG. 2 in a top view after completion of the contact body and after removal of the press stamp.
  • FIG. 5 shows the press mold corresponding to FIG. 4 in the top view, assuming that the flexible conductor several parallel contact bodies to a common one Connector be reshaped.
  • FIG. 1 The method illustrated in FIG. 1 is used for attachment flexible conductor pieces 1 on a rigid contact body 2 made of copper, which in the example shown the movable Contact pin of a vacuum interrupter 3 forms.
  • the process is carried out using a press mold 4 a central mandrel 5 belongs to the contact body 2 connects and continues its profile.
  • the flexible conductor pieces 1 are preferably made of a stranded or rope-shaped semi-finished product made of copper manufactured, of which sections 8 of a suitable one Length can be divided.
  • a tubular press punch 12 is now placed in the press mold 5 introduced and in the direction of an arrow 13 with a pressing force applied.
  • the press force is chosen so that the Material of the rope or strand-shaped semi-finished product up to The yield point is stressed and therefore in intimate contact comes with the contact surface 11 of the contact body 12.
  • By the high pressing force creates a flat connection between material of the semi-finished part 9 and the contact body 2.
  • the total of six layers of the partial lengths 9 now take a little less Height than that of the contact body 2.
  • the vacuum interrupter 3 from the mold 4 the can be facilitated by dividing the mold, forms a second partial length 14 of the sections 8 the flexible Conductor pieces 1.
  • FIG. 1 The method illustrated in FIG. 1 is analogous to FIG the same way for differently designed contact bodies used.
  • rigid contact bodies in the form of contact levers for low-voltage circuit breakers switching in air with flexible conductor pieces are provided.
  • the contact lever mentioned a relatively low height have one in the plane arrangement of the partial lengths of the semi-finished product lying on the contact lever, if more than one flexible conductor piece per contact lever is provided.
  • the required assembly is made of flexible conductor pieces 1 and a rigid contact body in that both parts be made together.
  • a mold 15 is used with a chamber 16 and an inlet opening leading into the chamber 17 provided.
  • the chamber 16 is one dimensioned partial length 19 of a section 18 of a semi-finished product of the type described that their mass the corresponds to the contact body to be produced.
  • the press mold is provided with a mandrel 20.
  • a press stamp 21 has a mandrel 20 corresponding Recess 22.
  • Figure 2 is by a dash-dotted line 23 in one left and a right part, the left Part of the state before the action of a pressing force an arrow 24 and the right part the state after completion of the pressing process shows.
  • Figure 3 ties in with the Condition according to the right part of Figure 2 and shows the Press mold 15 in plan view with the press stamp 21 removed and a finished contact body 25.
  • This is as Contact lever of an air-operated low-voltage circuit breaker trained and has one by means of Mandrel 22 ( Figure 2) manufactured bearing opening 26.
  • the contact body 25 has a uniform fixed Texture based on how they are made, for example has sheet-like material stamped contact body.
  • a contact pad 30 with the contact body 25 connect to.
  • the contact pad 30 has on her Back a profiled extension 31 for anchoring in the material of the semi-finished part 19.
  • sections 18 of the Semi-finished product are dimensioned so that a third part length 32 remains in a further mold 33 according to the figure 4 are formed into a connector 34.
  • This will a press stamp 35 in the manner already described in the Pressing force is applied in the direction of arrow 36. It is recommended to use a double-layer arrangement of the Part lengths in the die ensure that the thickness of the connector 34 about the thickness of the uncompressed Conductor pieces 1 corresponds.
  • a multi-pole can be in each pole switchgear several identical contact bodies with attached flexible conductor pieces are available.
  • the flexible conductor of the associated contact body by means of an appropriately dimensioned press mold 37 into one single connector 38 are joined together, such as this is shown in FIG. 5.
  • the flux When pressing, the flux first penetrates all cavities between the fine wires of the semi-finished product and is at increasing pressure intensely with the material of the semi-finished product brought into contact. Is converting to a fixed one Completed body, so excess flux is outside deposited and can therefore, for. B. in a water bath become.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacture Of Switches (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

Selon l'invention, un agencement de contact mobile pouvant être utilisé dans un appareil de commutation comporte un corps de contact (2) rigide et une pièce conductrice (1) flexible reliant ledit corps de contact (2) à un conducteur fixe. Le corps de contact (2) est assemblé avec la pièce conductrice (1) par compression mécanique d'une section (8) d'un semi-fini en forme de câble ou de toron, la pièce conductrice (1) flexible étant formée par une partie non comprimée du semi-fini. Grâce au processus de pressage, le corps de contact peut également être réalisé à partir du semi-fini. Le procédé décrit permet une fabrication économique d'ensembles de contact pour sectionneurs de puissance, avec une qualité accrue tant sur le plan mécanique qu'électrique.

Claims (9)

  1. Procédé pour fabriquer un module d'une voie de courant d'un appareil de coupure, le module comprenant un élément (2) de contact rigide et au moins une pièce (1) de conducteur souple constituée de sous-conducteurs, dans lequel on sollicite un premier tronçon (9) d'une partie (8) d'une pièce (1) d'un demi-produit en forme de cordon ou de corde formant la pièce (1) de conducteur souple, par compression mécanique au moyen d'une force (13) de compression, jusqu'à la limite apparente d'élasticité et on transforme ainsi les sous-conducteurs du premier tronçon en un élément rigide, tandis que l'on forme la pièce (1) de conducteur souple par un deuxième tronçon (14) de la partie (8) dudit demi-produit qui n'a pas été soumis à la compression,
    caractérisé en ce que l'on met le premier tronçon (9) en contact avec une surface (11) d'application d'une partie d'extrémité de l'élément (2) de contact rigide et
    en ce que la force de compression agit, pour produire une liaison à plat entre l'élément rigide et la partie d'extrémité, sur la surface (11 ) d'application.
  2. Procédé pour fabriquer un module d'une voie de courant d'un appareil de coupure, le module comprenant un élément (2) de contact rigide et au moins une pièce (1) de conducteur souple constituée de sous-conducteurs, dans lequel on sollicite un premier tronçon (9) d'une partie (8) d'une pièce (1) d'un demi-produit en forme de cordon ou de corde formant la pièce (1) de conducteur souple, par compression mécanique au moyen d'une force (13), jusqu'à la limite apparente d'élasticité et on transforme ainsi les sous-conducteurs du premier tronçon en un élément rigide, tandis que l'on forme la pièce (1) de conducteur souple par un deuxième tronçon (14) de la partie (8) dudit demi-produit non soumis à la compression,
    caractérisé en ce que l'on met par ladite compression mécanique du premier tronçon (19) de l'élément rigide sous la forme de l'élément (25) de contact rigide.
  3. Procédé suivant la revendication 1 ou 2, caractérisé en ce que l'on forme par compression mécanique d'un troisième tronçon (32) de la partie (18) du demi-produit une pièce (32) de raccordement servant à la liaison à un conducteur relativement à poste fixe de l'appareil de coupure.
  4. Procédé suivant l'une des revendications précédentes, caractérisé en ce que l'on effectue la compression mécanique du demi-produit en présence d'un fondant.
  5. Procédé suivant la revendication 1, caractérisé par l'utilisation d'un moule (4) de compression comportant une chambre (5) pour la réception de la partie d'extrémité de l'élément (2) de contact et du premier tronçon (9) du demi-produit ainsi qu'une ouverture (6) d'entrée pour le tronçon (9), la force (13) de compression étant exercée au moyen d'un poinçon (12) associé.
  6. Procédé suivant la revendication 2, caractérisé par l'utilisation d'un moule (15) de compression comportant une chambre correspondant à l'élément (25) de contact et comportant une ouverture (17) d'entrée pour le premier tronçon (19) de la partie (18) du demi-produit, la force (24) de compression étant exercée au moyen d'un poinçon (21) associé.
  7. Procédé suivant la revendication 5 ou 6, le module à fabriquer comportant deux ou plusieurs pièces de conducteur souple, caractérisé par l'utilisation d'un moule de compression dont l'ouverture (6, 17) d'entrée a une dimension correspondant à toute la section transversale des pièces (1) de conducteur souples.
  8. Procédé suivant la revendication 2, caractérisé en ce que, pour munir l'élément (25) de contact d'une surface (30) de contact, on enrobe celle-ci lors de la compression du demi-produit au moyen du moule (15) de compression et du poinçon (21) au moins en partie dans le matériau du demi-produit.
  9. Procédé suivant la revendication 8, caractérisé en ce que l'on utilise une surface (30) de contact comportant au moins un prolongement (31) prévu pour l'enrobage dans le demi-produit.
EP00903555A 1999-01-20 2000-01-19 Procede pour assembler un corps de contact et un conducteur flexible, et forme de presse pour la mise en oeuvre dudit procede Expired - Lifetime EP1149394B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19902836A DE19902836A1 (de) 1999-01-20 1999-01-20 Verfahren zur Verbindung eines Kontaktkörpers und eines flexiblen Leiters sowie Preßform zur Durchführung des Verfahrens
DE19902836 1999-01-20
PCT/DE2000/000182 WO2000044013A1 (fr) 1999-01-20 2000-01-19 Procede pour assembler un corps de contact et un conducteur flexible, et forme de presse pour la mise en oeuvre dudit procede

Publications (2)

Publication Number Publication Date
EP1149394A1 EP1149394A1 (fr) 2001-10-31
EP1149394B1 true EP1149394B1 (fr) 2003-11-19

Family

ID=7895307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00903555A Expired - Lifetime EP1149394B1 (fr) 1999-01-20 2000-01-19 Procede pour assembler un corps de contact et un conducteur flexible, et forme de presse pour la mise en oeuvre dudit procede

Country Status (5)

Country Link
US (1) US6751849B1 (fr)
EP (1) EP1149394B1 (fr)
JP (1) JP2003504793A (fr)
DE (2) DE19902836A1 (fr)
WO (1) WO2000044013A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2068331B1 (fr) * 2007-12-07 2011-04-06 ABB Technology AG Ensemble de commutation basse tension, moyenne tension et haute tension doté d'au moins un contact mobile
IT1392038B1 (it) 2008-07-23 2012-02-09 Abb Spa Componente elettrico per dispositivi di commutazione di bassa tensione, metodo per la realizzazione di tale componente elettrico, e dispositivo di commutazione elettrica comprendente tale componente.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR467798A (fr) * 1914-01-28 1914-06-20 Rudolf Engel Procédé et dispositif pour indiquer la hauteur du niveau des liquides soumis à une pression ou à une dépression
FR1279798A (fr) * 1961-02-01 1961-12-22 Amp Inc Connexion électrique et procédé pour son exécution
GB985597A (en) 1963-04-10 1965-03-10 Lucas Industries Ltd Method of connecting a conductor to a commutator brush
US3879586A (en) * 1973-10-31 1975-04-22 Essex International Inc Tactile keyboard switch assembly with metallic or elastomeric type conductive contacts on diaphragm support
US4224496A (en) * 1978-10-12 1980-09-23 Joyal Products, Inc. Method and apparatus for controlling a brazing machine
FR2556515B1 (fr) * 1983-12-13 1987-01-16 Merlin Gerin Procede et dispositif de connexion electrique fixe de tresses sur des plages d'amenee de courant
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.
EP1756752A4 (fr) 2003-11-13 2011-03-16 Honda Motor Co Ltd Regroupement d'images a l'aide de mesures, d'une structure lineaire locale et d'une symetrie affine

Also Published As

Publication number Publication date
EP1149394A1 (fr) 2001-10-31
DE19902836A1 (de) 2000-07-27
DE50004493D1 (de) 2003-12-24
JP2003504793A (ja) 2003-02-04
WO2000044013A1 (fr) 2000-07-27
US6751849B1 (en) 2004-06-22

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