EP0082966A1 - Tranformateur de lignes pour récepteurs de télévision - Google Patents
Tranformateur de lignes pour récepteurs de télévision Download PDFInfo
- Publication number
- EP0082966A1 EP0082966A1 EP82111028A EP82111028A EP0082966A1 EP 0082966 A1 EP0082966 A1 EP 0082966A1 EP 82111028 A EP82111028 A EP 82111028A EP 82111028 A EP82111028 A EP 82111028A EP 0082966 A1 EP0082966 A1 EP 0082966A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- primary
- tuning
- voltage
- line transformer
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/42—Flyback transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
- H01F2005/022—Coils wound on non-magnetic supports, e.g. formers wound on formers with several winding chambers separated by flanges, e.g. for high voltage applications
Definitions
- the invention relates to a line transformer for television sets, consisting of at least one primary and at least one secondary winding, in which at least the winding of the primary winding is wound from a metallic foil with a plastic foil inserted between them as insulation, and which is coordinated in this way that the secondary alternating high voltage contains in particular odd-numbered harmonics> 5th order of the fundamental.
- Line transformers are known (DE-PS 25 04 355), in which the high voltage generated is kept particularly constant in that the alternating high voltage of the line transformer is tuned to odd harmonics > 5th order.
- both the primary and the secondary winding (high-voltage winding) are designed in chamber winding technology, ie the windings are wound on a coil former, the winding space of which is divided into several chambers.
- the high-voltage winding in the conventional flyback transformer is divided into three partial windings of which in each case two partial windings on the seventh harmonic and a part Wick-L u ng are tuned to the fifth harmonic. This K.Fraunhofer 7-6
- the primary winding has an uneven density distribution, which is realized in such a way that the primary winding is also divided into a plurality of chamber windings which have different numbers of turns.
- This object is achieved in that the coordination is divided into a coarse and a fine tuning in such a way that the coarse tuning by changing the width, the axial position and / or the radial position of the metallic foil of the primary winding and the fine tuning an inhomogeneous winding density distribution of the high-voltage winding is brought about.
- the tuning of the alternating high voltage to the desired resonance frequencies is already approximately achieved.
- the fine tuning takes place by means of a different winding density of the high-voltage winding, which is wound, for example, from wire onto a bobbin provided with chambers.
- the specified measures allow the alternating high voltage of a line transformer to be matched to odd-numbered harmonics> 5th order with less effort than with the known line transformer.
- the proposed teaching can be applied both to those line transformers whose primary and secondary windings are implemented using film winding technology, and to those line transformers whose secondary windings are implemented using chamber winding technology.
- FIG. 2 shows the actual construction of a line transformer according to FIG. 1.
- This contains the so-called film winding 1 and the coil body 2, which has a plurality of chambers in which the part windings W 1 , W 2 and W 3 are arranged as wire windings. The ends of the partial windings are routed to soldering points at which the diodes are also soldered.
- the film roll 1 lies in the coil body 2.
- FIG. 3 The longitudinal section through such a finished line transformer is illustrated in FIG. 3, in which the foil winding 1 and the coil former 2 are arranged on a base 3 and in a housing 4.
- the high-voltage winding consists of the partial windings W 1 , W 2 and W 3 , with which the diodes D 1 , D 2 and D 3 are connected in series in the manner shown in FIG. 1.
- the high-voltage connection 5 is led out of the housing 4 at the upper end, while all the other connections are led to socket pins 6, only one of which is shown for simplicity.
- the primary winding A is particularly highlighted in FIG. 3 as part of the film winding 1. It has the width L, which is less than the total width W available for the film roll 1.
- the coarse tuning can be further improved by the axial and / or radial position of the primary winding A. Radial position of the primary winding A means that the primary winding A can assume any local position in the film winding between R2 and R1. Axial position of the primary winding A means that the primary winding A with the width L can assume any local position along the total width W.
- the partial winding W 1 is tuned to the 5th harmonic and the partial windings W 2 and W 3 to the 9th harmonic of the alternating high-voltage fundamental wave.
- the fine tuning that is also required can be achieved by deliberately introducing inhomogeneous winding density distribution in the high-voltage winding. This can be done, for example, in that different numbers of turns are present in the individual chambers of the coil former on which the partial windings of the high-voltage winding are wound.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
- Coils Or Transformers For Communication (AREA)
- Insulating Of Coils (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3151642 | 1981-12-28 | ||
DE19813151642 DE3151642A1 (de) | 1981-12-28 | 1981-12-28 | Zeilentransformator fuer fernsehgeraete |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0082966A1 true EP0082966A1 (fr) | 1983-07-06 |
EP0082966B1 EP0082966B1 (fr) | 1985-09-25 |
Family
ID=6149879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82111028A Expired EP0082966B1 (fr) | 1981-12-28 | 1982-11-29 | Tranformateur de lignes pour récepteurs de télévision |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0082966B1 (fr) |
DE (2) | DE3151642A1 (fr) |
ES (1) | ES518626A0 (fr) |
FI (1) | FI824335L (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0735552A1 (fr) * | 1995-03-27 | 1996-10-02 | Deutsche Thomson-Brandt Gmbh | Transformateur à haute tension pour un récepteur de télévision |
FR2783965A1 (fr) * | 1998-09-30 | 2000-03-31 | Thomson Television Components | Transformateur haute tension |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4225692A1 (de) * | 1992-08-04 | 1994-02-10 | Thomson Brandt Gmbh | Hochspannungs-Zeilentransformator für einen Fernsehempfänger |
DE59309571D1 (de) * | 1992-08-04 | 1999-06-17 | Thomson Brandt Gmbh | Hochspannungs-Zeilentransformator für einen Fernsehempfänger |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2504355A1 (de) * | 1974-02-04 | 1975-08-14 | Hitachi Ltd | Elektronenstrahlroehren-hochspannungsgenerator |
DE2607368A1 (de) * | 1976-02-24 | 1977-08-25 | Licentia Gmbh | Zeilentransformator fuer einen fernsehempfaenger |
DE2944220A1 (de) * | 1979-11-02 | 1981-05-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Zeilentransformator fuer einen fernsehempfaenger |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2612465B1 (de) * | 1976-03-24 | 1977-06-08 | Nordmende | Zeilentransformator |
-
1981
- 1981-12-28 DE DE19813151642 patent/DE3151642A1/de not_active Ceased
-
1982
- 1982-11-29 DE DE8282111028T patent/DE3266581D1/de not_active Expired
- 1982-11-29 EP EP82111028A patent/EP0082966B1/fr not_active Expired
- 1982-12-16 FI FI824335A patent/FI824335L/fi not_active Application Discontinuation
- 1982-12-28 ES ES518626A patent/ES518626A0/es active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2504355A1 (de) * | 1974-02-04 | 1975-08-14 | Hitachi Ltd | Elektronenstrahlroehren-hochspannungsgenerator |
DE2607368A1 (de) * | 1976-02-24 | 1977-08-25 | Licentia Gmbh | Zeilentransformator fuer einen fernsehempfaenger |
DE2944220A1 (de) * | 1979-11-02 | 1981-05-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Zeilentransformator fuer einen fernsehempfaenger |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0735552A1 (fr) * | 1995-03-27 | 1996-10-02 | Deutsche Thomson-Brandt Gmbh | Transformateur à haute tension pour un récepteur de télévision |
US5844793A (en) * | 1995-03-27 | 1998-12-01 | Deutsche Thomson Brandt Gmbh | High-voltage transformer for a televison receiver including separated partial windings tuned to different harmonics |
FR2783965A1 (fr) * | 1998-09-30 | 2000-03-31 | Thomson Television Components | Transformateur haute tension |
EP0991091A1 (fr) * | 1998-09-30 | 2000-04-05 | Thomson Television Components France | Transformateur à haute tension |
US6211766B1 (en) | 1998-09-30 | 2001-04-03 | Thomson Television Components France | High voltage transformer |
Also Published As
Publication number | Publication date |
---|---|
DE3151642A1 (de) | 1983-07-14 |
ES8309051A1 (es) | 1983-10-01 |
FI824335A0 (fi) | 1982-12-16 |
FI824335L (fi) | 1983-06-29 |
DE3266581D1 (en) | 1985-10-31 |
ES518626A0 (es) | 1983-10-01 |
EP0082966B1 (fr) | 1985-09-25 |
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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): DE FR IT NL |
|
17P | Request for examination filed |
Effective date: 19831209 |
|
ITF | It: translation for a ep patent filed |
Owner name: AVV PALO SAVI |
|
GRAA | (expected) grant |
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|
AK | Designated contracting states |
Designated state(s): DE FR IT NL |
|
REF | Corresponds to: |
Ref document number: 3266581 Country of ref document: DE Date of ref document: 19851031 |
|
ET | Fr: translation filed | ||
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
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26 | Opposition filed |
Opponent name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN Effective date: 19860219 |
|
NLR1 | Nl: opposition has been filed with the epo |
Opponent name: N.V. PHILIPS GLOEILAMPENFABRIEKEN |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19861130 Year of fee payment: 5 |
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RDAG | Patent revoked |
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|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT REVOKED |
|
27W | Patent revoked |
Effective date: 19870203 |
|
NLR2 | Nl: decision of opposition | ||
REG | Reference to a national code |
Ref country code: FR Ref legal event code: TP |