EP0907190A2 - Composant inductif et son procédé de fabrication - Google Patents

Composant inductif et son procédé de fabrication Download PDF

Info

Publication number
EP0907190A2
EP0907190A2 EP98116940A EP98116940A EP0907190A2 EP 0907190 A2 EP0907190 A2 EP 0907190A2 EP 98116940 A EP98116940 A EP 98116940A EP 98116940 A EP98116940 A EP 98116940A EP 0907190 A2 EP0907190 A2 EP 0907190A2
Authority
EP
European Patent Office
Prior art keywords
core
inductive component
plastic
component according
winding body
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
EP98116940A
Other languages
German (de)
English (en)
Other versions
EP0907190A3 (fr
EP0907190B1 (fr
Inventor
Peter Dr. Kranebitter
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.)
TDK Electronics AG
Original Assignee
Siemens Matsushita Components GmbH and Co KG
Epcos 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 Matsushita Components GmbH and Co KG, Epcos AG filed Critical Siemens Matsushita Components GmbH and Co KG
Publication of EP0907190A2 publication Critical patent/EP0907190A2/fr
Publication of EP0907190A3 publication Critical patent/EP0907190A3/fr
Application granted granted Critical
Publication of EP0907190B1 publication Critical patent/EP0907190B1/fr
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
    • H01F41/005—Impregnating or encapsulating
    • 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
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266—Fastening or mounting the core on casing or support

Definitions

  • the present invention relates to an inductive component according to the preamble of claim 1 or 2 and a Method for producing such a component.
  • the carrier body can - what The following also applies - be flat or L-shaped, in the latter case the resilient bracket a leg of the L-shaped support body and the core of the unit Grips around core and winding body.
  • the plastic is in preferably by melting plastic flanges of the carrier body, which are inserted into the core, by means of melted a heating rod to then soften it thermoplastic towards the surface of the core press and then the plastic to solidify bring. If necessary, the plastic flanges on your Edge still have a nose that the plastic flanges snap onto the cores.
  • FIG. 1 and 2 show how a core 1 made of ferromagnetic Material on a carrier body 2 in the inventive inductive component is attached.
  • a so-called window core or double E core that in plan view (see FIG. 1) essentially square and has an opening bridged by a web.
  • Fig. 2 shows a section A-A through the inductive component of Fig. 1, this section in two different planes is guided: it initially runs through two slit-shaped Holes 3 in core 1 and is then a little further back lying level around the central web of the core 1 make visible (see the corresponding dashed line).
  • the carrier body 2 consists of a thermoplastic plastic and has flanges 4 which are plate-like are and protrude into the corresponding holes 3 of the core 1 so that they got something from the opposite ends of this Protrude holes.
  • flanges 4 on their protruding Ends still be provided with lugs 5, as shown schematically in the left half of Fig. 2 is indicated in dashed lines.
  • lugs 5 are attached to the ends of both flanges 4. They are used to compensate for large geometrical tolerances of the individual cores 1 is advantageous because more of them "Material" for melting is available.
  • the noses 5 can extend over the entire length of the flanges 4 or only partially extend over this length.
  • the protruding ends of the flanges 4 are according to the invention by means of a heating rod not shown in the figures for Softening or melting brought so that they over expand the end of holes 3 as shown in the right Half of Fig. 2 is indicated by a broken line 6 to after it solidifies, the core 1 is fixed to the carrier body 2 connect to.
  • the noses 5 can be over the entire length of the flanges 4 (cf. left half of 4) or only via, for example, their end parts (cf. right half of Fig. 4) extend.
  • the protruding ends of the flanges 4 are by means of for example, heating rods heated to the thermoplastic Soften and melt plastic, so that this extends beyond the ends of the holes 3 or openings (see dashed line 6 in Fig. 2).
  • the plastic is then solidified, causing the core 1 to safely the support body 2 is fixed.
  • Typical dimensions for the cores 1 are, for example 24 x 24 x 4 or 28 x 28 x 5 or 35 x 35 x 8 (each mm).
  • thermoplastic Plastic a carrier body made of thermoplastic Plastic is used and that certain areas of this thermoplastic plastic for melting and Freeze brought to the core after freezing firmly with a carrier body or with the winding body firmly to connect the core. In the areas that are melting brought, will be “additional.” Material “offered, such as with the mentioned Noses 5 happens.
  • the carrier bodies 2 need not be cuboid. she can - as already mentioned - for example L-shaped, with the flanges 4 on one leg and the electrical feed pins 9 on the other Legs of the "L" are attached.

Landscapes

  • Power Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Testing Of Coins (AREA)
  • Thermistors And Varistors (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Insulating Of Coils (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Filters And Equalizers (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP98116940A 1997-09-29 1998-09-05 Composant inductif et son procédé de fabrication Expired - Lifetime EP0907190B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742928 1997-09-29
DE19742928 1997-09-29

Publications (3)

Publication Number Publication Date
EP0907190A2 true EP0907190A2 (fr) 1999-04-07
EP0907190A3 EP0907190A3 (fr) 2000-07-12
EP0907190B1 EP0907190B1 (fr) 2002-06-19

Family

ID=7843975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116940A Expired - Lifetime EP0907190B1 (fr) 1997-09-29 1998-09-05 Composant inductif et son procédé de fabrication

Country Status (7)

Country Link
EP (1) EP0907190B1 (fr)
JP (1) JPH11168012A (fr)
AT (1) ATE219601T1 (fr)
DE (1) DE59804488D1 (fr)
DK (1) DK0907190T3 (fr)
ES (1) ES2179407T3 (fr)
PT (1) PT907190E (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100664898B1 (ko) 2005-09-08 2007-01-04 주식회사 효성 부분 공극을 갖는 변압기/리액터
CN113035510B (zh) * 2021-05-26 2021-08-13 广东力王高新科技股份有限公司 一种装配维修方便的卤素灯预热电子变压器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3040334A1 (de) * 1980-10-25 1982-05-27 Draloric Electronic GmbH, 8500 Nürnberg Stabkerndrossel
FR2622732B1 (fr) * 1987-11-03 1990-08-03 Orega Electro Mecanique Transformateur a circuit magnetique en ferrite resistant aux chocs thermiques
DE9010132U1 (de) * 1990-07-04 1990-09-06 Siemens AG, 1000 Berlin und 8000 München Spule mit E-Kern aus Ferritmaterial
FR2674674B1 (fr) * 1991-03-27 1993-10-22 Merlin Gerin Transformateur homopolaire a circuit magnetique insensible a des contraintes mecaniques, et procede de fabrication.

Also Published As

Publication number Publication date
EP0907190A3 (fr) 2000-07-12
JPH11168012A (ja) 1999-06-22
PT907190E (pt) 2002-11-29
EP0907190B1 (fr) 2002-06-19
ATE219601T1 (de) 2002-07-15
DK0907190T3 (da) 2002-10-14
DE59804488D1 (de) 2002-07-25
ES2179407T3 (es) 2003-01-16

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