EP0406501B1 - Anschlussklemme für eine Wicklung auf einem Spulenkörper und Verfahren zur Herstellung einer Wicklung auf einem Spulenkörper, welcher mit solchen Anschlussklemmen versehen ist. - Google Patents

Anschlussklemme für eine Wicklung auf einem Spulenkörper und Verfahren zur Herstellung einer Wicklung auf einem Spulenkörper, welcher mit solchen Anschlussklemmen versehen ist. Download PDF

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Publication number
EP0406501B1
EP0406501B1 EP89401953A EP89401953A EP0406501B1 EP 0406501 B1 EP0406501 B1 EP 0406501B1 EP 89401953 A EP89401953 A EP 89401953A EP 89401953 A EP89401953 A EP 89401953A EP 0406501 B1 EP0406501 B1 EP 0406501B1
Authority
EP
European Patent Office
Prior art keywords
winding
coil body
wire
edges
housing
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
EP89401953A
Other languages
English (en)
French (fr)
Other versions
EP0406501A1 (de
Inventor
Gérard Haroux
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.)
ACEC BALLASTS
Original Assignee
ACEC BALLASTS
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 ACEC BALLASTS filed Critical ACEC BALLASTS
Priority to DE68917467T priority Critical patent/DE68917467T2/de
Priority to EP89401953A priority patent/EP0406501B1/de
Publication of EP0406501A1 publication Critical patent/EP0406501A1/de
Application granted granted Critical
Publication of EP0406501B1 publication Critical patent/EP0406501B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/10—Connecting leads to windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4826—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased and having a hole for the conductor, e.g. a wire, passing through
    • 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
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4848—Busbar integrally formed with the spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/485—Single busbar common to multiple springs

Definitions

  • the subject of the present invention is a connection terminal for a winding on a coil body and a method for manufacturing a winding of an enameled wire on a coil body equipped with such lugs and consisting, for example, of a or more molded plastic parts.
  • the two ends of the enameled wire are secured, each with a connection lug making it possible to establish an electrical connection with an external circuit by simply plugging in bare wires.
  • the connection lugs are plugged into appropriate housings on one of the parts of the coil body, and in general, covered with caps.
  • connection lug which includes an elastic blade which, to allow electrical contact with a bare wire, inserted between this base and the blade, rests on this bare wire.
  • This lug further comprises a lug allowing the precise insertion of the lug into a housing of an insulating body by the engagement of the lug in a means specific to this housing.
  • this known terminal includes an elastic means for establishing electrical contact with an enameled fit, injuring the enamel.
  • the invention aims to authorize a method of manufacturing a winding allowing the use of automatic winding machines and avoiding the need for artisanal interventions, such as in particular the brazing of enameled wires on the lugs.
  • a first object of the invention is therefore to produce a terminal adapted to such a process.
  • the terminal is characterized in that the insulating body is a coil body, in that the means for establishing electrical contact with the enameled wire is a curved part of the base in the direction approximately parallel to that of the base, in that this curved part is cut and curved to define a double slit with sharp edges between the lateral edges of the base and the lateral edges of the curved part, each of the slits of this double slit narrowing to a spacing smaller than the diameter of the enamelled fit.
  • the method of manufacturing a winding of an enameled wire on a coil body equipped with said lugs is characterized in that at the start of winding, the first end of the enameled wire is threaded between the edges the double slit of a first of said lugs finally fitted in a first housing with lateral slits of the coil body, until this first end is injured and wedged by notching the enamel, in that the free end of the first end of the winding wire is cut on one of the sharp edges of the double slit of said first terminal, in that at the end of winding, the second end of the enameled wire is threaded between the edges of the double slot of a second of said lugs inserted in a second housing with lateral slots in the coil body, until that this second end is injured and stuck by cutting the enamel and that the free end of the second end of the winding wire is cut on one of the sharp edges of the double slot of said second terminal.
  • Figure 1 of this drawing shows a section of a coil body part equipped with a connection lug.
  • Figures 2, 3, and 4 respectively show a bottom view of the terminal alone and two sectional views of Figure 2.
  • Figure 5 shows a variant of the elements shown in Figure 1, covered with a cap.
  • a coil body 1 secured to a mandrel whose axis is marked by 2 is surmounted by a housing 3 with side slots (see in Figure 5 the slot referenced "18").
  • the slots 18 lie in a plane perpendicular to the winding axis or of the mandrel 2.
  • a terminal composed of a base 4, and of a set of two elastic strips 5, curved.
  • Each set of strips 5 has two openings 6 in the extension of the base through which conductors belonging to an external circuit can be threaded.
  • the terminal On the opposite side, the terminal has a curved part 7, approximately parallel to the base 4 and a lug 8, designed to engage with part of the housing 3, in this case a hole 9 in this housing 3. In this way , the terminal is fixed relative to the housing 3 and especially relative to the slots 18 of this housing.
  • the terminal is designed for the connection of two stripped wires 10 through the openings 6.
  • the curved part 7 is cut and curved to define a double slot between the edges 11 of the base and the lateral edges 12 of the curved part 7.
  • Each of these slots narrows to a spacing smaller than the diameter of the enameled wire used.
  • the slots 18 of the latter are in the extension of the double slot between the edges 11 and 12.
  • the slots 18 have a limited depth such that the enameled wire introduced into the double slit 11, 12 remains located in the area of effective clamping of the latter
  • two lugs are threaded into two housings 3 of the coil body 1, preferably located in the same plane perpendicular to the winding axis 2.
  • the start of the enameled wire is inserted through the slots 18 of a first housing, in the double slot of the terminal between the edges 11 and 12 until it is injured and wedged, thus stripping the copper core under the enamel layer.
  • the free end of the end of the enameled wire is cut, for example, on the sharp edge 11; then, the wire is wound on the coil body 1, and at the end of the winding, the wire is inserted into the double slot between the edges 11 and 12 of the other terminal and cut on one of the sharp edges 11.
  • the winding is thus completed, without requiring any artisanal intervention, such as brazing.
  • the connection to external circuits is carried out by means of stripped insulated wires threaded through the openings 6 and retained by the sharp end edges of the blades 5.
  • FIG. 5 represents a variant of a terminal according to FIG. 2, inserted into a housing 13 of a part of the coil body and protected by a cap 14 made of insulating material.
  • the housing 13 here comprises a stud 15, held by means of two crosspieces 16.
  • the stud 15 serves on the one hand as part of the housing 13 retaining the stop lug 8 of the terminal, and on the other hand as a limiter for the movement of the spring blades 5. Indeed, when the coil must be detached from an external circuit, a spring leaf 5 is lifted, for example by means of a screwdriver inserted through a hole 17. In order to avoid that during such manipulation, the spring leaf 5 is not deformed beyond the elastic limit, its movement is limited by the stud 15.
  • the stud 15 extends in the extension of the slots 18. Therefore, it serves , in addition, a guide for the enameled wire when the latter is threaded into the slots 18 and inserted into the double slot between the edges 11 and 12 of the terminal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Manufacture Of Motors, Generators (AREA)

Claims (2)

  1. Anschluß-Kabelschuh, mit einer elastischen Lamelle (5), die zum Herstellen des elektrischen Kontakts mit einem abisolierten Draht (10), der zwischen dem Basisstreifen (4) und der Lamelle (5) eingeschoben ist, auf diesen abisolierten Draht (10) drückt, einer Nase (8), die das präzise Einstecken des Kabelschuhs in einen Sitz (3) eines isolierenden Körpers durch Einrasten des Kabelschuhs in ein für diesen Sitz (3) spezifisches Mittel (9) ermöglicht, und einem Mittel (7) zum Herstellen des elektrischen Kontakts mit einem lackisolierten Draht durch verletzen der Lackisolierung,
       dadurch gekennzeichnet, daß der isolierende Körper ein Spulenkörper ist, daß das Mittel (7) zum Herstellen des elektrischen Kontakts mit dem lackisolierten Draht ein umgebogener Teil des Basisstreifens (4) ist, der ungefähr parallel zu dem Basisstreifen (4) ist, daß dieser umgebogene Teil (7) so zugeschnitten und gewölbt ist, daß er einen doppelten Schlitz mit scharfen Kanten zwischen den seitlichen Kanten (11) des Basisstreifens (4) und den seitlichen Kanten (12) des umgebogenen Teils bildet, wobei jeder der Schlitze dieses doppelten Schlitzes sich bis auf einen Abstand verengt, der kleiner als der Durchmesser des lackisolierten Drahtes ist.
  2. Verfahren zur Herstellung einer Wicklung eines lackisolierten Drahtes auf einem Spulenkörper (1), der mit Kabelschuhen gemäß dem Anspruch 1 ausgerüstet ist, dadurch gekennzeichnet, daß zu Beginn des Wickelvorgangs das erste Ende des lackisolierten Drahtes zwischen die Kanten (11, 12) des doppelten Schlitzes eines ersten dieser Kabelschuhe, der in einen ersten Sitz (3, 13) mit seitlichen Schlitzen (18) des Spulenkörpers (1) eingesteckt ist, eingeschoben wird, bis dieses erste Ende durch Einschneiden der Lackisolierung verletzt und festgeklemmt wird, daß das freie Ende des ersten Endes des Drahtes der Wicklung auf einer der scharfen Kanten (11, 12) des doppelten Schlitzes des ersten Kabelschuhs abgeschnitten wird, daß am Ende des Wickelvorgangs das zweite Ende des lackisolierten Drahtes zwischen die Kanten (11, 12) des doppelten Schlitzes eines zweiten dieser Kabelschuhe, der in einen zweiten Sitz (3, 13) mit seitlichen Schlitzen (18) des Spulenkörpers (1) eingesteckt ist, eingeschoben wird, bis dieses zweite Ende durch Einschneiden der Lackisolierung verletzt und festgeklemmt wird, und daß das freie Ende des zweiten Endes des Drahtes der Wicklung auf einer der scharfen Kanten (11, 12) des doppelten Schlitzes des zweiten Kabelschuhs abgeschnitten wird.
EP89401953A 1989-07-06 1989-07-06 Anschlussklemme für eine Wicklung auf einem Spulenkörper und Verfahren zur Herstellung einer Wicklung auf einem Spulenkörper, welcher mit solchen Anschlussklemmen versehen ist. Expired - Lifetime EP0406501B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE68917467T DE68917467T2 (de) 1989-07-06 1989-07-06 Anschlussklemme für eine Wicklung auf einem Spulenkörper und Verfahren zur Herstellung einer Wicklung auf einem Spulenkörper, welcher mit solchen Anschlussklemmen versehen ist.
EP89401953A EP0406501B1 (de) 1989-07-06 1989-07-06 Anschlussklemme für eine Wicklung auf einem Spulenkörper und Verfahren zur Herstellung einer Wicklung auf einem Spulenkörper, welcher mit solchen Anschlussklemmen versehen ist.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89401953A EP0406501B1 (de) 1989-07-06 1989-07-06 Anschlussklemme für eine Wicklung auf einem Spulenkörper und Verfahren zur Herstellung einer Wicklung auf einem Spulenkörper, welcher mit solchen Anschlussklemmen versehen ist.

Publications (2)

Publication Number Publication Date
EP0406501A1 EP0406501A1 (de) 1991-01-09
EP0406501B1 true EP0406501B1 (de) 1994-08-10

Family

ID=8202973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89401953A Expired - Lifetime EP0406501B1 (de) 1989-07-06 1989-07-06 Anschlussklemme für eine Wicklung auf einem Spulenkörper und Verfahren zur Herstellung einer Wicklung auf einem Spulenkörper, welcher mit solchen Anschlussklemmen versehen ist.

Country Status (2)

Country Link
EP (1) EP0406501B1 (de)
DE (1) DE68917467T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20169987A1 (it) * 2016-01-14 2017-07-14 Tyco Electronics Amp Italia Srl Connettore per bobina magnetica

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036545A (en) * 1976-05-06 1977-07-19 Molex Incorporated Connector assembly
US4130331A (en) * 1976-12-09 1978-12-19 Amp Incorporated Solderless connector for terminating a magnet wire or the like
DE3407758A1 (de) * 1984-03-02 1985-09-12 Standard Elektrik Lorenz Ag, 7000 Stuttgart Automatengerechter spulenkoerper fuer elektrische geraete

Also Published As

Publication number Publication date
DE68917467T2 (de) 1995-02-23
EP0406501A1 (de) 1991-01-09
DE68917467D1 (de) 1994-09-15

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