EP0033142A1 - Procédé de connexion électrique et d'isolation d'un élément électrique - Google Patents

Procédé de connexion électrique et d'isolation d'un élément électrique Download PDF

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Publication number
EP0033142A1
EP0033142A1 EP19810100501 EP81100501A EP0033142A1 EP 0033142 A1 EP0033142 A1 EP 0033142A1 EP 19810100501 EP19810100501 EP 19810100501 EP 81100501 A EP81100501 A EP 81100501A EP 0033142 A1 EP0033142 A1 EP 0033142A1
Authority
EP
European Patent Office
Prior art keywords
tabs
electrical
components
sch
free ends
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.)
Ceased
Application number
EP19810100501
Other languages
German (de)
English (en)
Inventor
Jürgen Kaiser
Josef Schindler
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of EP0033142A1 publication Critical patent/EP0033142A1/fr
Ceased 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
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062—Toroidal core with turns of coil around it
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards

Definitions

  • the invention relates to a method for electrical contacting and insulation of an electrical component, in particular a toroidal core coil with tab-shaped connecting elements.
  • the wound toroidal cores in particular ferrite toroidal cores, are inserted into cups formed with connecting pins, the winding wire ends are wound onto and soldered to the connecting pins, after which the cup is poured out with synthetic resin.
  • the wound toroid is placed on a carrier plate with pins, then the winding wire ends are wound onto the pins, soldered to them and the wire ends are shortened, after which the toroid coil contacted in this way is removed with a plastic film.
  • the present invention is also based on the object to provide a method for contacting electrical components, in particular toroidal coils, which is, however, characterized by increased simplicity and a less expensive insulation method, which at the same time ensures a firm connection of the connection elements with the electrical component.
  • the invention provides to achieve the object that band-shaped carrier made of electrically conductive material and with integrally molded tabs to the electrical construction Elements brought up and the free ends of the tabs are soldered to the electrical contacts of the electrical components, that the components together with the tabs are then electrostatically covered with plastic powder and the tabs are sintered onto the components by subsequent heat treatment, after which the carriers are separated.
  • the winding wire ends of the toroidal coil For receiving the lead wires of the electrical Bauele- m duck, for example, the winding wire ends of the toroidal coil, while the free ends of the tabs are slotted in a possibly integrated with further operations operation.
  • tabs are curved or cranked in steps, so that these tab parts can be used as supports for the electrical components.
  • a strip of electrically conductive material that is wound into a roll (not shown in the drawing) is first pulled off the roll and divided by punching into desired sections 1 that are parallel to one another in production and that are formed with integrally formed tabs 2.
  • the tabs which are preferably equipped with slots 12 in their free end areas in the same operation are cranked in a subsequent work step, as shown at 3, and toroidal coils 4 are automatically placed on these cranks serving as supports, the winding ends of which are clamped in the slots 12, soldered to the tabs - see reference number 5 - and shortened.
  • the toroidal core coils which are combined, for example, into batches and contacted with tabs, are electrostatically covered with plastic powder 7 and coated with e.g. 5 minutes, subsequent heat treatment at approx. 200 ° C., the tabs 2 are mechanically firmly sintered onto the toroidal coils 4.
  • the band-shaped carriers 1, which can be used as ground contacts during the electrostatic coating, are finally separated off after the sealing and heat treatment have taken place.
  • FIG. 5 shows a modified embodiment of a carrier.
  • the two band-shaped carriers 1 according to FIG. 1 are combined to form a U-shaped profile and are integrally formed on the narrow sides 9, 10 and have step-like angled tabs 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Coils Or Transformers For Communication (AREA)
EP19810100501 1980-01-24 1981-01-23 Procédé de connexion électrique et d'isolation d'un élément électrique Ceased EP0033142A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3002532 1980-01-24
DE19803002532 DE3002532A1 (de) 1980-01-24 1980-01-24 Verfahren zur elektrischen kontaktierung und isolierung eines elektrischen bauelements

Publications (1)

Publication Number Publication Date
EP0033142A1 true EP0033142A1 (fr) 1981-08-05

Family

ID=6092858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810100501 Ceased EP0033142A1 (fr) 1980-01-24 1981-01-23 Procédé de connexion électrique et d'isolation d'un élément électrique

Country Status (7)

Country Link
EP (1) EP0033142A1 (fr)
JP (1) JPS56110215A (fr)
BR (1) BR8100359A (fr)
DE (1) DE3002532A1 (fr)
ES (1) ES498775A0 (fr)
PT (1) PT72382B (fr)
YU (1) YU17681A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556879A1 (fr) * 1983-12-14 1985-06-21 Trt Telecom Radio Electr Dispositif de fixation d'un circuit magnetique toroidal
GB2398181A (en) * 2003-02-04 2004-08-11 Transparent Engineering Ltd Nonplanar lead-frame; mounting magnetic components and a circuit board; lead-frame and heat sink

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983886A (en) * 1955-12-30 1961-05-09 Rca Corp Mount for ring cores

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983886A (en) * 1955-12-30 1961-05-09 Rca Corp Mount for ring cores

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2556879A1 (fr) * 1983-12-14 1985-06-21 Trt Telecom Radio Electr Dispositif de fixation d'un circuit magnetique toroidal
GB2398181A (en) * 2003-02-04 2004-08-11 Transparent Engineering Ltd Nonplanar lead-frame; mounting magnetic components and a circuit board; lead-frame and heat sink

Also Published As

Publication number Publication date
BR8100359A (pt) 1981-08-11
JPS56110215A (en) 1981-09-01
DE3002532A1 (de) 1981-07-30
PT72382B (de) 1982-01-05
ES8206104A1 (es) 1982-08-01
YU17681A (en) 1983-06-30
PT72382A (en) 1981-02-01
ES498775A0 (es) 1982-08-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT CH FR GB IT NL

17P Request for examination filed

Effective date: 19811013

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19840120

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHINDLER, JOSEF

Inventor name: KAISER, JUERGEN