EP0122546B1 - Flyback transformer - Google Patents
Flyback transformer Download PDFInfo
- Publication number
- EP0122546B1 EP0122546B1 EP19840103760 EP84103760A EP0122546B1 EP 0122546 B1 EP0122546 B1 EP 0122546B1 EP 19840103760 EP19840103760 EP 19840103760 EP 84103760 A EP84103760 A EP 84103760A EP 0122546 B1 EP0122546 B1 EP 0122546B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- foil
- wire
- electrically conducting
- shaped part
- 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
Links
- 238000004804 winding Methods 0.000 claims description 54
- 239000011888 foil Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
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
Definitions
- the invention is based on a line transformer with a winding made of a metallic foil and an intermediate plastic foil serving as insulation, the winding taps consisting of electrically conductive molded parts inserted transversely to the winding or welded onto the metal foil and protruding beyond the foil edges.
- So-called diode split line transformers which consist of a first winding which carries the primary winding and the secondary windings and which have a second winding from which the high voltage is taken.
- the high-voltage winding consists of several winding chambers into which the high-voltage winding is distributed. The individual winding sections in the chambers are connected in series via diodes.
- the high-voltage winding is embedded in a synthetic resin to achieve sufficient high-voltage strength.
- a sufficiently large coupling between the windings is necessary, i.e. the winding space is very limited in such transformers for the first-mentioned winding. Since the primary winding of the first winding has a relatively high number of turns, this primary winding using film technology takes up too much winding space.
- the invention is therefore based on the object of finding a space-saving winding technique for a diode split transformer.
- the section of the molded part 7 opposite the connection side 9 is connected to the wire end 10 of the winding 5, so that both ends 9, 10 of this winding lie on a side common to the other connections.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Description
Die Erfindung geht aus von einem Zeilentransformator mit einem Wickel aus einer metallischen Folie und dazwischenliegender als Isolation dienender Kunststoffolie, wobei die Wicklungsabgriffe aus quer zur Wicklung eingelegten oder auf die Metallfolie aufgeschweissten über die Folienränder hinausragenden elektrisch leitenden Formteilen bestehen.The invention is based on a line transformer with a winding made of a metallic foil and an intermediate plastic foil serving as insulation, the winding taps consisting of electrically conductive molded parts inserted transversely to the winding or welded onto the metal foil and protruding beyond the foil edges.
Zur Vereinfachung und Verbilligung der Herstellung eines Wickels für einen Zeilentransformator ist es bekannt, den Wickel mit Hilfe einer metallischen Folie herzustellen, wobei als Isolation eine Kunststoffolieneinlage dient. Die einzelnen elektrischen Abgriffe der Wicklung werden durch quer zur Wicklung eingelegte und eingewickelte oder auch auf die metallische Folie aufgeschweisste Drähte oder Formteile hergestellt, die den Folienrand überragen (DE-AS 2 612 465). Dadurch wird ein erheblich geringerer Wickelraum benötigt als mit Drahtwicklungen.To simplify and reduce the cost of producing a winding for a line transformer, it is known to produce the winding with the aid of a metallic film, a plastic film insert serving as insulation. The individual electrical taps of the winding are produced by wires or molded parts which are inserted and wrapped transversely to the winding or which are welded onto the metallic foil and which project beyond the edge of the foil (DE-AS 2 612 465). As a result, a significantly smaller winding space is required than with wire windings.
Es sind sogenannte Dioden-Split-Zeilentransformatoren bekannt, die aus einem ersten Wickel bestehen, der die Primärwicklung und die Sekundärwicklungen trägt und die einen zweiten Wickel besitzen, dem die Hochspannung entnommen wird. Der Hochspannungswickel besteht aus mehreren Wickelkammern, in welche die Hochspannungswicklung verteilt wird. Die einzelnen Wicklungsabschnitte in den Kammern sind über Dioden in Serie geschaltet. Die Hochspannungswicklung wird in einem Kunstharz eingebettet zur Erzielung einer ausreichenden Hochspannungsfestigkeit. Es ist dabei eine genügend grosse Kopplung zwischen den Wickeln notwendig, d.h. der Wickelraum ist bei derartigen Transformatoren für den erst genannten Wickel sehr begrenzt. Da die Primärwicklung des ersten Wickels eine relativ hohe Windungszahl besitzt nimmt diese Primärwicklung in Folientechnik zuviel Wickelraum in Anspruch.So-called diode split line transformers are known which consist of a first winding which carries the primary winding and the secondary windings and which have a second winding from which the high voltage is taken. The high-voltage winding consists of several winding chambers into which the high-voltage winding is distributed. The individual winding sections in the chambers are connected in series via diodes. The high-voltage winding is embedded in a synthetic resin to achieve sufficient high-voltage strength. A sufficiently large coupling between the windings is necessary, i.e. the winding space is very limited in such transformers for the first-mentioned winding. Since the primary winding of the first winding has a relatively high number of turns, this primary winding using film technology takes up too much winding space.
Der Erfindung liegt deshalb die Aufgabe zugrunde, eine möglichst platzsparende Wickeltechnik für einen Dioden-Split-Transformator zu finden.The invention is therefore based on the object of finding a space-saving winding technique for a diode split transformer.
Diese Aufgabe wird durch die im Kennzeichen des Patentanspruchs angegebene Massnahme gelöst.This object is achieved by the measure specified in the characterizing part of the patent claim.
Nachstehend soll die Erfindung an einem Ausführungsbeispiel mit Hilfe der Zeichnung näher erläutert werden.The invention will be explained in more detail using an exemplary embodiment with the aid of the drawing.
Mit 1 ist der Wickelkörper des ersten Wickels bezeichnet, auf welchem in bekannter Wickeltechnik die Sekundärwicklung, bestehend aus Metallfolien 2 und isolierenden Zwischenlagen 3 angeordnet ist. An denjenigen Stellen der Wicklung, an denen Abgriffe herausgeführt werden, sind metallische Formteile 4 quer zur Folienrichtung angeschweisst, deren Enden über die Folienränder hinausragen. Auf diese Folienwicklung ist eine Primärwicklung, bestehend aus Kupferdrahtwindungen 5 gewickelt. Über diesen Wickel kann der Wickelkörper 6 für die Hochspannungswicklung geschoben werden. Erfindungsgemäss wird nun zwecks Rückführung des Drahtendes 11 der Wicklung 5 ein elektrisch leitendes Formteil 7 in einer Isolierfolienschicht 8, zwischen den beiden Wicklungen 3 und 5 eingebettet, eingefügt, welches an beiden Kopfenden der Wicklung herausragt. Das der Anschlussseite 9 entgegengesetzte Teilstück des Formteils 7 wird mit dem Drahtende 10 der Wicklung 5 verbunden, so dass beide Enden 9, 10 dieser Wicklung auf einer mit den anderen Anschlüssen gemeinsamen Seite liegen. Auf diese Weise ergibt sich eine einfache Rückführung, die nicht aufträgt und somit Platz spart, da ein in den Wickel einbezogenes zusätzliches Formteil den Durchmesser eines Wickels nicht vergrössert wie z.B. eine Rückführung des Drahtendes ausserhalb der Wicklung.1 denotes the winding body of the first winding, on which the secondary winding, consisting of
Claims (1)
- A line transformer having a winding of a metallic foil (2) and an interposed plastic film (3) serving as insulation, wherein the winding taps consist of electrically conducting shaped parts (4) which are inserted transversely to ther winding or welded onto the metal foil (2) and project beyond the edges of the foil, characterised in that the part of the winding consisting of the metallic foil (2) serves, with its taps, as a secondary winding and that the primary winding (5) of the line transformer consists of wire turns and that a further electrically conducting shaped part (7), which projects beyond the winding at both ends, is introduced in the axial direction of the winding between the foil winding (2) and the wire winding (5) with the inclusion of an insulating sheet (8), and that the one extremity (9) of the further shaped part (7) serves as an electrical connection for the end (11) of the wire of the primary (5), which end is connected, in an electrically conducting manner, to the further shaped part (7) at the end opposite to the electrical connection (9).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8310270U | 1983-04-08 | ||
DE19838310270 DE8310270U1 (en) | 1983-04-08 | 1983-04-08 | LINE TRANSFORMER |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0122546A1 EP0122546A1 (en) | 1984-10-24 |
EP0122546B1 true EP0122546B1 (en) | 1986-10-08 |
Family
ID=6752031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19840103760 Expired EP0122546B1 (en) | 1983-04-08 | 1984-04-05 | Flyback transformer |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0122546B1 (en) |
DE (1) | DE8310270U1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106653315A (en) * | 2016-12-21 | 2017-05-10 | 山东华信电气股份有限公司 | Sleeve current mutual inductor winded by copper foil mylar polyester belts |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1069705B (en) * | 1959-11-26 | |||
FR2266274A1 (en) * | 1974-03-28 | 1975-10-24 | Videon Sa | Very high voltage transformer - has winding of conductive and insulating layers around a tube with ferrite core |
DE3033979A1 (en) * | 1980-09-10 | 1982-04-22 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | TRANSFORMER |
-
1983
- 1983-04-08 DE DE19838310270 patent/DE8310270U1/en not_active Expired
-
1984
- 1984-04-05 EP EP19840103760 patent/EP0122546B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE8310270U1 (en) | 1983-12-15 |
EP0122546A1 (en) | 1984-10-24 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
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17P | Request for examination filed |
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