EP0179259A1 - Corps de bobine - Google Patents

Corps de bobine Download PDF

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Publication number
EP0179259A1
EP0179259A1 EP85111623A EP85111623A EP0179259A1 EP 0179259 A1 EP0179259 A1 EP 0179259A1 EP 85111623 A EP85111623 A EP 85111623A EP 85111623 A EP85111623 A EP 85111623A EP 0179259 A1 EP0179259 A1 EP 0179259A1
Authority
EP
European Patent Office
Prior art keywords
plastic bracket
winding
coil
sleeves
connecting sleeves
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.)
Granted
Application number
EP85111623A
Other languages
German (de)
English (en)
Other versions
EP0179259B1 (fr
Inventor
Günther Horn
Heribert Dipl.-Ing. Röser (FH)
Wolfgang Pieper
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6246751&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0179259(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0179259A1 publication Critical patent/EP0179259A1/fr
Application granted granted Critical
Publication of EP0179259B1 publication Critical patent/EP0179259B1/fr
Expired 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
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • 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
    • 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
    • Y10T29/4902—Electromagnet, transformer or inductor

Definitions

  • the invention relates to a coil former according to the preamble of claim 1, such a coil former is known from US-A-3932828
  • the plastic bracket is firmly formed on the one end flange in such a way that the one sleeve ends of the connecting sleeves projecting beyond the operational inside of the plastic bracket lie radially above the winding space and the introduction of the winding into the winding space, in particular when using automatic winding machines.
  • the connection sleeves themselves are inserted from the operational outside of the plastic bracket into the fitting openings provided with a larger opening diameter on this side; A safeguard against train through the outer connecting lines takes place at the most by a flap bend to be made after inserting the connecting sleeves at the end of the connecting sleeves projecting beyond the operational inside of the plastic bracket.
  • connection sleeves are secured against slipping when inserted from the operational outside of the plastic bracket by means of a bead which is to be attached separately to the connection sleeves and which comes to rest on a stepped shoulder at the inner end of the fitting opening part with the larger opening diameter.
  • an insulating capsule is axially attached to isolate the free ends of the connecting sleeves projecting beyond the winding space.
  • tongue-shaped plugs are cast in at the same time during injection molding of the hinge-like molded plastic bracket; in the operating position of the plastic bend folded over the winding space around its hinge axis on one end flange and locked on the other end flange, the winding ends of the excitation coil wrapped in the coil former are connected to the radially inward projecting inner connection ends; a plug connected to an outer connecting line can be plugged onto the radially outwardly projecting outer connecting ends of the injected connecting pins.
  • the manufacture of the coil body and the safe strain-relieved contact between the winding ends of the coil wound on the coil body on the one hand and the line ends of the outer connecting line on the other hand, in particular with a view to automated manufacturing and assembly, are simplified.
  • This object is achieved in a bobbin of the type mentioned by the teaching of claim 1; advantageous embodiments of the invention are the subject of the dependent claims.
  • the bobbin with the hinge-like molded plastic bracket can first be produced in a technically simple manner as a simple injection molding universal part without adjusting sleeves to be held in the mold and injected;
  • the connection sleeves can then be inserted into the e.g. co-injected fitting openings of the plastic bracket are pressed in from its operational inside and the one sleeve ends protruding from the operational inside of the plastic bracket are wrapped mechanically with the winding ends of the winding applied to the bobbin.
  • the stripped ends of the outer connecting leads which can be inserted into the connecting sleeves from the top of the laterally folded-away plastic bracket and parallel to the end face of the coil former without stressing a large assembly space, can be contacted with the connecting sleeves in a particularly simple manner in that the protruding one sleeve ends wrapped around the winding ends directed immersed in a solder bath, whereby the liquid solder material rises up to the stripped ends of the outer connecting leads inserted into the connecting sleeves due to the capillary action and thus, in the same operation, these are also securely contacted with the connecting sleeves.
  • a particularly simple and yet fully effective strain relief in terms of production and assembly technology is achieved in that, with a corresponding train acting on the outer connecting lines, the connecting sleeves bear positively against the stop formed by the fitting opening part with the smaller clear width.
  • an insulated routing of the outer connecting line out of the plastic bracket is ensured if it is ensured that the stripped end of these connecting lines is shorter than the hole depth of the fitting opening part with the smaller clear width.
  • connection sleeves are slotted in the longitudinal direction, so that they are to a small extent auffedem in the circumferential direction and thus can be inserted under tension into the fitting openings.
  • outer surfaces of the connecting sleeves are provided with a raster embossing in their area inserted into the plastic bracket, which tears into the surrounding softer plastic of the plastic bracket when the connecting sleeves are inserted.
  • connection sleeves in the area of their protruding one sleeve ends are reduced to circular segment-shaped remaining sleeve parts and such a mutual arrangement of several remaining sleeve parts within one Plastic bracket to meet that the circular segment-shaped remaining sleeve wall parts are arranged with the greatest possible mutual distance from each other in the plastic bracket;
  • FIG. 1 shows a partial sectional view of an annular plastic coil former 1, the winding space of which is axially delimited by a circumferential end flange 11 or 12 and a coil base 13.
  • fitting openings each consist of a first fitting opening part 21 or 23 or 25, which is open to the operational inside 28 of the plastic bracket 2, with a larger clear width and a relatively large bore depth, and a second fitting opening part 22 or 24 or 26, respectively, with a smaller clear width in the Proximity to the operational outside 29 of the plastic bracket 2.
  • the fitting openings designed in this way ensure that the connecting sleeves 3 or 4 or 5 when inserted against the opening part 22 or 24 or 26 with the smaller clear width formed by the second passport Paragraph come to rest and are thus positively secured against a tensile load by the outer connecting lines 7, 8, 9 to be inserted and contacted from the outside 29 of the plastic bracket 2 and, on the other hand, the outer connecting lines 7, 8, 9 are insulated into the connecting sleeves 3, 4, 5 can be inserted if their stripped ends 71,81,91 are no longer than the bore depth of the second fitting opening parts 22 or 24 or 26.
  • FIG. 2 shows the three sleeve ends of the connecting sleeves 3, 4, 5, which protrude from the inside 28 of the plastic bracket 2, the protruding one sleeve ends being reduced to residual sleeve wall parts 31, 41 and 51, respectively, in the form of circular segments.
  • the remaining sleeve wall parts 31 or 41 or 51 are mutually arranged such that there is a maximum distance between them and thus the greatest possible free space for the winding thread holder when wrapping the remaining sleeve wall parts 31 or 41 or 51 with the winding ends 61 or 62 or 63 of the excitation coil 6 results.
  • 3 to 5 show a single connecting sleeve 3 with its circular segment-shaped residual sleeve wall part 31 protruding from the inside 28 of the plastic bracket 2, with the axial longitudinal slot 32 through which a springing open of the sleeve wall and thus its non-positive pressing into the corresponding fitting opening 21 of the plastic bracket 2 is guaranteed and with the additional raster embossing 33 provided on the outer surface of the sleeve wall part to be pressed in.
  • Fig. 7,8 shows the completed coil bobbin 2 after it has been pivoted to the other end flange of the coil bobbin 1 after the connection between the winding ends and the outer connecting lines has been made and fixed to it by means of latching.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Particle Accelerators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
EP85111623A 1984-09-29 1985-09-13 Corps de bobine Expired EP0179259B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3435888 1984-09-29
DE19843435888 DE3435888A1 (de) 1984-09-29 1984-09-29 Spulenkoerper

Publications (2)

Publication Number Publication Date
EP0179259A1 true EP0179259A1 (fr) 1986-04-30
EP0179259B1 EP0179259B1 (fr) 1988-03-09

Family

ID=6246751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111623A Expired EP0179259B1 (fr) 1984-09-29 1985-09-13 Corps de bobine

Country Status (4)

Country Link
US (1) US4649361A (fr)
EP (1) EP0179259B1 (fr)
JP (1) JPS6185805A (fr)
DE (2) DE3435888A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307704A1 (fr) * 1987-09-11 1989-03-22 Siemens Aktiengesellschaft Corps de bobine
EP0308689A1 (fr) * 1987-09-11 1989-03-29 Saia Ag Procédé de fabrication d'un organe de raccordement électrique comprenant des contacts électriques moulés par injection dans un corps de bobine isolant plastique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0252306U (fr) * 1988-10-04 1990-04-16
DE9104463U1 (de) * 1991-04-12 1992-08-06 Robert Bosch Gmbh, 7000 Stuttgart Drehzahlfühler
US6133550A (en) 1996-03-22 2000-10-17 Sandia Corporation Method and apparatus for thermal processing of semiconductor substrates
KR102110344B1 (ko) * 2018-12-28 2020-05-14 주식회사 엠에스티테크 트랜스포머 및 그 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316555A (en) * 1940-10-31 1943-04-13 Kenly C Bugg Terminal connector and positioning means therefor
US3932828A (en) * 1973-10-23 1976-01-13 Coils, Inc. Encapsulated coil and method of making the same
US4044458A (en) * 1975-02-07 1977-08-30 Ault Incorporated Method of making a power-pack assembly
US4122424A (en) * 1977-12-29 1978-10-24 Coils, Inc. Bobbin assembly
DE2758700B1 (de) * 1977-12-29 1979-06-21 Siemens Ag Ringfoermiger Spulenkoerper fuer einen Synchronkleinmotor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892177A (en) * 1959-06-23 Electrical terminal for insulating base
NL52684C (fr) *
US2071164A (en) * 1935-12-31 1937-02-16 Joseph A C Galvao Electrical connecter
US3054027A (en) * 1959-07-30 1962-09-11 Cons Electronics Ind Winding terminal
GB956290A (en) * 1961-01-27 1964-04-22 Sealectro Corp Improvements in electric socket contacts
NL131427C (fr) * 1965-04-07
US3332048A (en) * 1965-08-24 1967-07-18 Coilcraft Inc Mount for circuit elements
GB1185679A (en) * 1967-08-03 1970-03-25 Charles Duncan Henry Webb Electric Connector Devices
US3470511A (en) * 1967-11-28 1969-09-30 American Mach & Foundry Coil and spool therefor
US3453575A (en) * 1968-11-14 1969-07-01 Hermetic Coil Co Inc Electrical coil
US3659254A (en) * 1969-05-15 1972-04-25 Painton & Co Ltd Electrical plug and sockets and components
US4105985A (en) * 1977-02-24 1978-08-08 Coils, Inc. Lead attachment means and method for making electrical coils
US4394637A (en) * 1981-07-10 1983-07-19 U.S. Philips Corporation Wound bobbin coil apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316555A (en) * 1940-10-31 1943-04-13 Kenly C Bugg Terminal connector and positioning means therefor
US3932828A (en) * 1973-10-23 1976-01-13 Coils, Inc. Encapsulated coil and method of making the same
US4044458A (en) * 1975-02-07 1977-08-30 Ault Incorporated Method of making a power-pack assembly
US4122424A (en) * 1977-12-29 1978-10-24 Coils, Inc. Bobbin assembly
DE2758700B1 (de) * 1977-12-29 1979-06-21 Siemens Ag Ringfoermiger Spulenkoerper fuer einen Synchronkleinmotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0307704A1 (fr) * 1987-09-11 1989-03-22 Siemens Aktiengesellschaft Corps de bobine
EP0308689A1 (fr) * 1987-09-11 1989-03-29 Saia Ag Procédé de fabrication d'un organe de raccordement électrique comprenant des contacts électriques moulés par injection dans un corps de bobine isolant plastique

Also Published As

Publication number Publication date
JPS6185805A (ja) 1986-05-01
US4649361A (en) 1987-03-10
DE3435888A1 (de) 1986-04-10
EP0179259B1 (fr) 1988-03-09
DE3561855D1 (en) 1988-04-14

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