EP0757364B1 - Transformator - Google Patents
Transformator Download PDFInfo
- Publication number
- EP0757364B1 EP0757364B1 EP96112174A EP96112174A EP0757364B1 EP 0757364 B1 EP0757364 B1 EP 0757364B1 EP 96112174 A EP96112174 A EP 96112174A EP 96112174 A EP96112174 A EP 96112174A EP 0757364 B1 EP0757364 B1 EP 0757364B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air gap
- poles
- spacer
- spacer body
- transformer according
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
Definitions
- the invention relates to a transformer according to the preamble of claim 1.
- a high voltage transformer in a television receiver for the Line deflection and the generation of the anode voltage The picture tube needs a certain inductance of the windings.
- the inductance is determined by the width of one between the poles of a two-part coil core formed air gap set.
- a transformer according to the preamble of claim 1 is from DE-A-30 39 509 known.
- DE-A-30 08 598 is one Throttle known with a spacer in the air gap, the two Has areas of different thickness, for example Pin with non-circular cross-section, and that by rotation allows different sizes of the air gap.
- DE-A-2 948 134 describes a method for adjusting the Air gap of a transformer known in the deformable non-magnetic materials are used in a Gap of a core are arranged, the core under Action of pressure is adjusted.
- the invention has for its object a transformer to improve the type mentioned in that a simple tuning, which can also be carried out using a manipulator the width of the air gap of the transformer is made possible.
- the transformer according to the invention there is neither standby different spacers necessary, another Press device with which a spacer body to the desired Dimension is compressed.
- One is enough Spacer from which the different thickness ranges be placed or selected so that the poles of the parts of the Cores are kept at the required distance and the desired dimension of the air gap results.
- the Spacer is so designed that it from the beginning due to its constructive design, the entire possible Thickness range for optimal coordination.
- the thickness ranges can be graded or as Areas of different thicknesses merge seamlessly.
- the tiered version is only one step at a time Voting possible, but the individual areas offer that a larger area for the poles. In contrast allows a stepless execution a very fine Poll.
- the spacer can be displaceable relative to the poles, so that the areas defining the gap width between the Poles are located, while the thicker areas are outside.
- the spacer itself is not changed, so that it is also possible in the event of a mismatch towards one small air gap a correction to larger widths of the To cause air gap.
- the spacer is included Adjustment of a small air gap more or less after outside, which may undesirably increase the space requirement.
- the spacer can be stationary to the poles be arranged and the areas of different thickness starting with the thickest areas in descending thickness away. This measure allows protruding areas avoid, but voting is only one way possible for smaller thicknesses.
- the spacer forms a tongue extending radially from the coil body.
- the tongue is already fixed at that point which forms the air gap of the coil core. During installation the transformer is thus positioned Spacer automatically.
- the spacer can also be an integral part of the Form the bobbin. This allows the bobbin together with the spacer in one operation, e.g. by Manufacture injection molding, which reduces production costs become.
- the transformer shown in FIGS. 1 and 2 consists of a bobbin 1 with windings 2 arranged thereon and a two-part coil core 3 and 4.
- One part 3 of the Coil core is tilted and touched against the other part 4 this at a contact point 5.
- the contact point 5 forms at the same time the pivot point or a hinge around which the Part 3 compared to part 4 when adjusting the air gap is pivoted.
- the width of the Air gap 8 is predetermined by a spacer 9. This also automatically results in the width of the air gap 15, the width of which is the same as the width of the air gap 8 will be changed. Because the individual air gaps 8 and 15 refer to the magnetic flux are in series, they can be physical also viewed as a common, slightly larger air gap become.
- the spacer 9 forms an integral part of the Bobbin 1 and protrudes radially outwards.
- the spacer has areas of different Thickness 10a, 10b, 10c, 10d ... between which predetermined breaking points 11a, 11b, 11c, 11d .... are arranged.
- By removing one or several thickness ranges 10a, 10b, 10c, 10d of the Spacer 9 can be a suitable thickness range specify to which the poles 6 and 7 of the two parts of the Coil core can be applied.
- the final location of parts 3 and 4 of the coil core can be by gluing or by Fix clamping element 12.
- the voting is then finished and the position of parts 3 and 4 of the coil core can be finally fixed.
- the vote can be easily manipulated by a manipulator carry out that gradually the not needed Removed thickness ranges of the spacer 9 and the parts 3 and 4 of the coil core to the remaining largest thickness range of the Spacer presses. Doing is a very fast Targeted process of voting possible.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Description
- Fig. 1
- einen Längsschnitt durch einen Transformator,
- Fig. 2
- einen Querschnitt durch den in Fig. 1 dargestellten Transformator und
- Fig. 3
- als Detail aus Fig. 1 eine vergrößerte Darstellung des Distanzkörpers.
Claims (6)
- Transformator, der einen Spulenkörper (1) mit darauf angeordneten Wicklungen (2), einen zweiteiligen Spulenkern (3, 4) mit Polen (6, 7), zwischen denen ein Luftspalt (8) ausgebildet ist, sowie einen den Luftspalt (8) vorgebenden Distanzkörper (9) zwischen den Polen (6,7) umfaßt, dadurch gekennzeichnet, daß der Distanzkörper (9) mehrere Bereiche (10a, 10b, 10c, 10d ... ) unterschiedlicher Dicke aufweist, und daß einer dieser Bereiche (10a, 10b, 10c, 10d ... ) zur Abstimmung der Breite des Luftspaltes (8) auswählbar ist, indem die Bereiche (10a, 10b, 10c, 10d ... ) unterschiedlicher Dicke angefangen mit dem dicksten Bereich in absteigender Dicke entfernbar sind.
- Transformator nach Anspruch 1, dadurch gekennzeichnet, daß zwischen den aneinandergrenzenden Bereichen (10a, 10b, 10c, 10d ... ) unterschiedlicher Dicke Sollbruchstellen (11a, 11b, 11c, 11d ... )vorhanden sind.
- Transformator nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Distanzkörper (9) stationär zu den Polen (6, 7) angeordnet ist und eine radial vom Spulenkörper (1) ausgehende Zunge bildet.
- Transformator nach Anspruch 3, dadurch gekennzeichnet, daß der Distanzkörper (9) einen integralen Bestandteil des Spulenkörpers (1) bildet.
- Transformator nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, daß die Bereiche (10a, 10b, 10c, 10d ... ) unterschiedlicher Dicke abgestuft sind.
- Transformator nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Distanzkörper (9) relativ in den Polen (6, 7) verschiebbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19528185 | 1995-08-01 | ||
DE19528185A DE19528185A1 (de) | 1995-08-01 | 1995-08-01 | Transformator |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0757364A2 EP0757364A2 (de) | 1997-02-05 |
EP0757364A3 EP0757364A3 (de) | 1997-03-26 |
EP0757364B1 true EP0757364B1 (de) | 2000-05-17 |
Family
ID=7768381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96112174A Expired - Lifetime EP0757364B1 (de) | 1995-08-01 | 1996-07-27 | Transformator |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0757364B1 (de) |
DE (2) | DE19528185A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102306533B (zh) * | 2011-05-20 | 2012-09-19 | 中国科学院长春光学精密机械与物理研究所 | 一种大功率可调电感 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2001260837A1 (en) * | 2000-05-11 | 2001-11-20 | Canterbury TX Limited | Partial core, low frequency transformer |
AU2002341687A1 (en) * | 2002-09-17 | 2004-04-08 | Pulse Engineering, Inc. | Controlled inductance device and method |
WO2019205251A1 (zh) * | 2018-04-26 | 2019-10-31 | 广东美的厨房电器制造有限公司 | 电子变压器和微波烹饪电器 |
US11289255B2 (en) * | 2020-08-20 | 2022-03-29 | Bruker Biospin Gmbh | Relative tilt angle adjustment system for magnetic components |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2948134A1 (de) * | 1978-11-29 | 1980-07-03 | Hitachi Ltd | Transformator |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE733783C (de) * | 1936-08-18 | 1943-04-02 | Emil Koncar Dr Ing | Transformator oder Drosselspule mit abgeflachter Stromspannungs-Kennlinie |
DE1013695B (de) * | 1952-06-27 | 1957-08-14 | Siemens Ag | Anordnung zur Regelung der Zeilenbreite in Fernsehempfaengern |
DE2424131C3 (de) * | 1973-05-18 | 1979-05-03 | Hitachi Metals, Ltd., Tokio | Drossel |
DE2718274A1 (de) * | 1977-04-25 | 1978-10-26 | Vogt Gmbh & Co Kg | Verfahren zur herstellung definierter luftspalte in magnetischen kreisen |
DE2753709A1 (de) * | 1977-12-02 | 1979-06-07 | Blum Eisen & Metallind | Aus blechen zu bildendes paket fuer elektrische maschinen, wie transformatoren, drosselspulen, zuendspulen, elektromotore, generatoren o.dgl. |
DE2836401C2 (de) * | 1978-08-19 | 1983-09-08 | Fa. Hermann Schwabe, 7067 Urbach | Streufeldtransformator oder Drossel, insbesondere als Vorschaltgerät für Gasentladungslampen |
DE3008598A1 (de) * | 1980-03-06 | 1981-10-08 | Bruno 8550 Forchheim Waasner | Magnetkern fuer eine drossel |
DE3017368A1 (de) * | 1980-05-07 | 1981-11-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Zeilentransformator fuer einen fernsehempfaenger |
DE3039509A1 (de) * | 1980-10-20 | 1982-05-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Als induktivitaet wirkendes bauteil, insbesondere transduktor oder zeilentrafo fuer einen fernsehempfaenger |
NL8501994A (nl) * | 1985-07-11 | 1987-02-02 | Philips Nv | Inductieve inrichting bevattende een ferromagnetische kern met een luchtspleet. |
FR2591024B1 (fr) * | 1985-12-04 | 1988-01-08 | Orega Electro Mecanique | Circuit magnetique a faible champ magnetique rayonne, en particulier pour un transformateur haute tension alimentant un tube cathodique |
DE3605406A1 (de) * | 1986-02-20 | 1987-08-27 | Thomson Brandt Gmbh | Schaltnetzteil fuer fernsehempfaenger |
US4980794A (en) * | 1987-02-19 | 1990-12-25 | Westinghouse Electric Corp. | Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core |
FR2621167B1 (fr) * | 1987-09-25 | 1994-05-20 | Orega Electronique Mecanique | Procede de reglage automatique de self-inductance d'elements bobines comportant un circuit magnetique a entrefer ajustable |
DE8807838U1 (de) * | 1988-06-16 | 1988-09-22 | Ceag Licht- Und Stromversorgungstechnik Gmbh, 4770 Soest | Kern für einen Transformator |
JPH0543455Y2 (de) * | 1989-05-11 | 1993-11-02 | ||
CA2096358A1 (en) * | 1992-07-02 | 1994-01-03 | Apurba Roy | Partial gap magnetic core apparatus |
-
1995
- 1995-08-01 DE DE19528185A patent/DE19528185A1/de not_active Withdrawn
-
1996
- 1996-07-27 EP EP96112174A patent/EP0757364B1/de not_active Expired - Lifetime
- 1996-07-27 DE DE59605224T patent/DE59605224D1/de not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2948134A1 (de) * | 1978-11-29 | 1980-07-03 | Hitachi Ltd | Transformator |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102306533B (zh) * | 2011-05-20 | 2012-09-19 | 中国科学院长春光学精密机械与物理研究所 | 一种大功率可调电感 |
Also Published As
Publication number | Publication date |
---|---|
DE19528185A1 (de) | 1997-02-06 |
DE59605224D1 (de) | 2000-06-21 |
EP0757364A2 (de) | 1997-02-05 |
EP0757364A3 (de) | 1997-03-26 |
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