EP1105893B1 - Verfahren zum herstellen von induktiven bauelementen - Google Patents
Verfahren zum herstellen von induktiven bauelementen Download PDFInfo
- Publication number
- EP1105893B1 EP1105893B1 EP99952348A EP99952348A EP1105893B1 EP 1105893 B1 EP1105893 B1 EP 1105893B1 EP 99952348 A EP99952348 A EP 99952348A EP 99952348 A EP99952348 A EP 99952348A EP 1105893 B1 EP1105893 B1 EP 1105893B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mould
- melt adhesive
- winding
- inductive components
- magnetic core
- 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
Links
- 230000001939 inductive effect Effects 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title description 6
- 238000004804 winding Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 239000004831 Hot glue Substances 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 239000004952 Polyamide Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
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
-
- 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
-
- 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
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Definitions
- the invention relates to a method for producing inductive Components, in particular current transformers for electricity meters.
- a cable run through a hole in the housing wall requires an additional seal and thus also one greater effort, which is economically disadvantageous.
- Object of the present invention is therefore a new Manufacturing method for inductive components, in particular for Current transformers, specify in which the above problems be largely avoided.
- the molds used are usually made of aluminum or an aluminum alloy that is substantially less expensive are considered to be the injection molds required for the housing used in the prior art.
- These shapes can also be compared to the prior art significantly shorter time-to-market, because the shapes are much easier. This happens quick and easy changes of customized Embodiments of the inductive components.
- Hot melt adhesive composition under a pressure of 0 to 20 bar, preferably from about 10 to 20 bar, being used as melt adhesive mass a polyamide-based thermoplastic hot melt adhesive is provided is.
- This is in particular one non-porous polyamide-based hotmelt adhesive.
- the usage This polyamide hot melt adhesives opens up significantly better ways of recycling inductive components, because with the inductive components only a single Plastic is used.
- the terminals of the winding or the terminals of the windings before inserting the magnetic core into the mold from the mold in a well-defined way led out.
- connections while cables are provided.
- the lead out of these cables takes place directly via grooves in the form, with an exit through the special process is prevented by hot melt adhesive composition.
- toroidal cores of metallic Alloys in particular toroidal cores of amorphous or nanocrystalline alloys.
- amorphous or nanocrystalline alloys results over the previously used crystalline Alloys or ferrite cores a significant volume reduction as well as much better technical characteristics of the inductive components of the type mentioned.
- the advantage and the properties of these amorphous or nanocrystalline Alloys are described, for example, in EP 0 271 657 B1 described in detail.
- the secondary winding 3 consists mostly of some 100 to some 1000 turns.
- the secondary winding 3 of this Current transformer 1 consists of relatively thin wire, d. H. the wire has a thickness of 0.05 to 0.25 mm.
- the ends the secondary winding 3 shown here are as two-wire Litz 5 executed so that the current transformer 1 on a circuit board (not shown) can be connected.
- the magnetic core 2 of the current transformer 1 shown here is a Ring band core made of an amorphous alloy.
- the ring band core with the secondary winding 3 was on the Low-pressure Schmelzgußhabilit according to the invention produced.
- a mold made of an aluminum alloy was provided (Not shown).
- the ring band core loaded with the secondary winding 3 thereon, wherein the secondary winding 3, the ends as a two-wire strand 5 are executed, is led out of the mold.
- Form was closed and in the mold was melted thermoplastic melt adhesive composition based on polyamide introduced a pressure of about 15 bar. This creates around the magnetic core 2 a casting enclosing this 4.
- the cast body 4 In the area the opening of the ring band core, the cast body 4 a through opening 5, through which the primary winding (not shown) of the current transformer 1 can be performed.
- the mold was cooled in a defined manner. After cooling the Mold was opened the mold and the molded-on current transformer 1 was taken. After removal of the cast-iron current transformer 1, the gate was removed.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Transformers For Measuring Instruments (AREA)
- Soft Magnetic Materials (AREA)
- Insulating Of Coils (AREA)
Description
- Figur 1
- eine Draufsicht auf einen Stromwandler, der mit dem Verfahren nach der vorliegenden Erfindung hergestellt worden ist, und
- Figur 2
- einen Schnitt entlang der Linie I-I durch den Stromwandler aus Figur 1.
Claims (9)
- Verfahren zum Herstellen von induktiven Bauelementen (1) mit folgenden Schritten:1) Bereitstellen einer metallischen Form;2) Einlegen des mit zumindest einer Wicklung (3) versehenen Magnetkerns (2) in die Form;3) Schließen der Form;4) Einfüllen einer aufgeschmolzenen thermoplastischen Schmelzklebermasse (4) unter Druck in die Form;5) Definiertes Abkühlen der Form;6) Öffnen der Form und Entnahme des umgossenen, induktiven Bauelements.
- Verfahren nach Anspruch 1,
wobei die Form aus Aluminium oder einer Aluminiumlegierung besteht. - Verfahren nach Anspruch 1 oder 2,
wobei das Einfüllen der aufgeschmolzenen Schmelzklebermasse unter einem Druck von 10 bis 20 bar erfolgt. - Verfahren nach einem der Ansprüche 1 bis 3,
wobei als Schmelzklebermasse ein thermoplastischer Schmelzklebstoff auf Polyamidbasis vorgesehen ist. - Verfahren nach einem der Ansprüche 1 bis 4,
wobei die Anschlüsse der Wicklung vor dem Einlegen des Magnetkerns in die Form aus der Form herausgeführt werden. - Verfahren nach einem der Ansprüche 1 bis 4,
wobei die Anschlüsse der Wicklung in der Form in Sackbohrungen gelegt werden. - Verfahren nach einem der Ansprüche 1 bis 6,
wobei als Magnetkern ein Ringkern aus einer metallischen Legierung verwendet wird. - Verfahren nach Anspruch 7,
wobei als Ringkern ein Ringbandkern aus einer amorphen oder nanokristallinen Legierung verwendet wird. - Verfahren nach einem der Ansprüche 1 bis 8,
wobei als induktives Bauelement ein Stromsensor vorgesehen ist.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19836146 | 1998-08-10 | ||
| DE19836146A DE19836146A1 (de) | 1998-08-10 | 1998-08-10 | Verfahren zum Herstellen von induktiven Bauelementen |
| PCT/DE1999/002493 WO2000010180A1 (de) | 1998-08-10 | 1999-08-10 | Verfahren zum herstellen von induktiven bauelementen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1105893A1 EP1105893A1 (de) | 2001-06-13 |
| EP1105893B1 true EP1105893B1 (de) | 2005-04-20 |
Family
ID=7877055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99952348A Expired - Lifetime EP1105893B1 (de) | 1998-08-10 | 1999-08-10 | Verfahren zum herstellen von induktiven bauelementen |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US6663815B1 (de) |
| EP (1) | EP1105893B1 (de) |
| JP (1) | JP2002524840A (de) |
| DE (2) | DE19836146A1 (de) |
| WO (1) | WO2000010180A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014072062A1 (en) | 2012-11-12 | 2014-05-15 | Premo, Sl | A smd current sensor device and uses thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10024824A1 (de) * | 2000-05-19 | 2001-11-29 | Vacuumschmelze Gmbh | Induktives Bauelement und Verfahren zu seiner Herstellung |
| KR101140912B1 (ko) * | 2003-04-02 | 2012-05-03 | 바쿰슈멜체 게엠베하 운트 코. 카게 | 마그네트 코어 및 그의 제조 방법 및 특히 변류기 및전류-보상 인덕터에서의 마그네트 코어의 애플리케이션,마그네트 코어의 제조 밴드 및 합금 |
| DE102006028389A1 (de) * | 2006-06-19 | 2007-12-27 | Vacuumschmelze Gmbh & Co. Kg | Magnetkern und Verfahren zu seiner Herstellung |
| DE102007034925A1 (de) | 2007-07-24 | 2009-01-29 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zur Herstellung von Magnetkernen, Magnetkern und induktives Bauelement mit einem Magnetkern |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2242958A1 (de) | 1972-08-29 | 1974-03-14 | Siemens Ag | Stromwandler mit in einem giessharzkoerper eingebetteter primaerwicklungsanordnung |
| US4210859A (en) * | 1978-04-18 | 1980-07-01 | Technion Research & Development Foundation Ltd. | Inductive device having orthogonal windings |
| JPS56112710A (en) * | 1980-02-12 | 1981-09-05 | Toshiba Corp | Manufacture of molded transformer |
| JPS57122506A (en) | 1980-12-26 | 1982-07-30 | Mitsubishi Electric Corp | Simplified molding method for through current transformer |
| KR930005345B1 (ko) | 1986-10-23 | 1993-06-17 | 후지덴기 가부시기가이샤 | 소형모터의 고정자 하우징과 회전자 |
| US4910861A (en) | 1988-10-07 | 1990-03-27 | Emerson Electric Co. | Method of manufacturing retention structure for electric motor rotor magnets |
| JP2597678B2 (ja) | 1988-10-20 | 1997-04-09 | 松下電工株式会社 | 電流トランス |
| DE4015752A1 (de) * | 1990-05-16 | 1991-11-21 | Basf Lacke & Farben | In amidischen loesungsmitteln geloeste schmelzklebelacke fuer hochtemperaturbestaendige beschichtungen |
| JP2884742B2 (ja) | 1990-08-23 | 1999-04-19 | タカタ株式会社 | 加速度センサの製作方法 |
| US5331730A (en) * | 1992-09-03 | 1994-07-26 | Siemens Automotive L.P. | Method of making a coil molded into a magnetic stator |
| US5589808A (en) * | 1993-07-28 | 1996-12-31 | Cooper Industries, Inc. | Encapsulated transformer |
| DE4426138C2 (de) * | 1994-07-22 | 1998-04-23 | Siemens Ag | Gießform für eine Transformatorspule mit Kontrollmöglichkeit des Vergusses |
| FR2723248B1 (fr) | 1994-07-29 | 1996-09-20 | Seb Sa | Procede de realisation d'un inducteur |
| JP3374356B2 (ja) | 1995-05-26 | 2003-02-04 | 出光石油化学株式会社 | 発泡成形体の製造方法及び発泡成形体 |
| GB2307661B (en) | 1995-11-30 | 1998-04-29 | Honda Lock Mfg Co Ltd | Electromagnetic sensor and moulding die used for manufacturing the same |
| DE19746605A1 (de) * | 1996-10-28 | 1998-06-10 | Papst Motoren Gmbh & Co Kg | Verfahren zum Isolieren des Stators eines elektronisch kommutierten Gleichstrommotors |
| US6103157A (en) * | 1997-07-02 | 2000-08-15 | Ciba Specialty Chemicals Corp. | Process for impregnating electrical coils |
-
1998
- 1998-08-10 DE DE19836146A patent/DE19836146A1/de not_active Ceased
-
1999
- 1999-08-10 JP JP2000565549A patent/JP2002524840A/ja active Pending
- 1999-08-10 WO PCT/DE1999/002493 patent/WO2000010180A1/de not_active Ceased
- 1999-08-10 DE DE59911952T patent/DE59911952D1/de not_active Expired - Lifetime
- 1999-08-10 US US09/762,574 patent/US6663815B1/en not_active Ceased
- 1999-08-10 EP EP99952348A patent/EP1105893B1/de not_active Expired - Lifetime
- 1999-08-10 US US11/305,815 patent/USRE41269E1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014072062A1 (en) | 2012-11-12 | 2014-05-15 | Premo, Sl | A smd current sensor device and uses thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000010180A1 (de) | 2000-02-24 |
| EP1105893A1 (de) | 2001-06-13 |
| DE19836146A1 (de) | 2000-02-24 |
| US6663815B1 (en) | 2003-12-16 |
| USRE41269E1 (en) | 2010-04-27 |
| DE59911952D1 (de) | 2005-05-25 |
| JP2002524840A (ja) | 2002-08-06 |
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