EP0236642B2 - Hochspannungstransformator - Google Patents
Hochspannungstransformator Download PDFInfo
- Publication number
- EP0236642B2 EP0236642B2 EP86402729A EP86402729A EP0236642B2 EP 0236642 B2 EP0236642 B2 EP 0236642B2 EP 86402729 A EP86402729 A EP 86402729A EP 86402729 A EP86402729 A EP 86402729A EP 0236642 B2 EP0236642 B2 EP 0236642B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- chimney
- transformer
- block
- removable
- cable
- 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
- 239000004020 conductor Substances 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 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
- 238000002788 crimping Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 235000010603 pastilles Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 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
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F2038/423—Flyback transformers with adjusting potentiometers
Definitions
- the present invention relates to a high voltage television transformer without cables high voltage and potentiometric block output removable. It relates in particular to the internal and external connections of the transformer.
- a high voltage (HV) connection such as a car spark plug connection, is usually made using at least one terminal crimped on the connecting wire, this terminal can be a terminal female coming to cap a terminal or a terminal male, or possibly a male terminal inserting in a bowl or in a female pod.
- HV high voltage
- a high voltage transformer intended for the supply of color cathode ray tubes has an integrated potentiometer block which delivers the tensions of the prefocusing grids G3 and screen G2 of these tubes.
- the cable high voltage and G2 grid output cables and G3 are fixed and integral with the transformer. These cables, varying in length depending on the user, interfere with manufacturing, handling, and mounting of transformers.
- the potentiometric block, integrated into the transformer requires wiring operations which can affect the reliability of the product.
- a beam oscillation blocking element automotive ignition has a sleeve of insulating material in which is arranged a pellet of elastic material conductive.
- the patch includes, before mounting in the sleeve, its own output connectors. We cannot therefore use this device to ensure the connection between removable conductors.
- the second embodiment described in this document we have in an insulating sleeve a pad of elastic conductive material in each end of which a cavity is formed intended to receive a component such as a head candle. This second embodiment does not also does not ensure the connection between removable conductors with rigid core.
- the document "Neues aus dertechnik 1985 n ° 2, page 2, article 29” describes a part of a transformer used in a television set to generate the high line deflection voltage.
- This document includes a figure with reference numbers. The numbers refer to this figure when talking about this document.
- the assembly described in this document aims at a special configuration of the focus voltage output chimney (3) so that the potentiometric block (19) can be plugged in if necessary, directly in chimneys forming part of the protective envelope through the openings (7, 9), without causing complex modifications to the transformer.
- the contacts (23, 24) of the potentiometer (19) are pressed into conductive rubber plugs (13, 17) located at the bottom of these chimneys.
- the subject of the present invention is a transformer as described in claim 1.
- the high voltage transformer conforms to the invention comprises connection means removable to connect output cables high tension.
- These means preferably include, for each transformer output a hanging device quick cable and device contact with the conductor or the cable core.
- the quick coupling device is a device of clipping comprising a first integral part a fully molded chimney with the envelope covering the winding coating insulation of the transformer, the inside diameter of this chimney being substantially equal to the diameter outside of the cable, the base of this chimney being located above or near the terminal or corresponding output socket, this terminal or socket being connected to a conductive pad, of preferably silicone loaded with conductive material, this pellet sealingly closing the base from the chimney, the second part of the device clip being attached to the cable near its end and positioned so that the end conductor or cable core either good contact with said patch when the end cable is pushed into the chimney and that the two parts of the quick coupler are in mutual engagement.
- the inner profile is cylindrical, insert by forcing slightly a conductive pad 36, arriving in stop on the throttle 33.
- the length of said other end of the sleeve 32 is greater than the length of the patch 36, which is fixed to it by a ring 37 which can either be screwed or glued to it, be force-fitted.
- the hole of the ring 37 is cylindrical towards the outside of the sleeve and conical towards the pad 36.
- the cylindrical part of this hole has a diameter slightly smaller than the diameter outside of the wire insulation 31, while its conical part is used to guide, if necessary, the end stripped (end of the core) 38 of the wire 31, which sinks into the pad 36.
- the ring 37 advantageously acts as a means sealing of the connection on the wire side 31.
- the tip 35 is inserted into the pad 36 opposite of the core 38.
- the patch 36 is advantageously in silicone charged with electrically conductive powder.
- the tip 35 as well as the core 38 can be there push in easily, without necessarily being pointed and without the risk of twisting, the soul 38 still have to be relatively rigid.
- connection does not allow not to pass very high currents, but is very well suited for low currents such as than candles from cars or transformers high voltage television.
- the high voltage transformer 1 shown in FIG. 1 essentially comprises a circuit magnetic 2 and a coil 3 (not shown in detail) with several windings.
- This transformer may for example be of the "split diode” type, that is to say of the split secondary winding type, with diode separation.
- Winding 3 is sealed with a molding resin, this coating being coated with an envelope protective not shown.
- the transformer 1 has on one of its faces, for example the underside, several pins 4 connected to primary windings, and possibly low secondary windings winding voltage 3, these pins 4 being intended to fix transformer 1 on a circuit appropriate printed and making connections electric with the conductors of this printed circuit.
- the transformer 1 comprises, in the case present, two high voltage outputs: one output focusing voltage, to supply, via a cable and a potentiometric block, the G2 grids and G3 of a cathode ray tube (not shown) and another very high voltage output for power supply via a removable cable 6 of the anode of said cathode ray tube.
- Chimneys 7 and 8 communicate with the interior space of said envelope, and in particular with the connection terminals of the sockets or corresponding high-voltage winding ends. These chimneys can either stop at their base or junction with the envelope, either, as shown in the drawing, extend inside the envelope to reach the connection terminals, the conduit 9 thus formed at the inside of the envelope can be used to accommodate elements such as resistors, capacitors, elements protection, etc.
- the chimney 7 comprises, substantially at the level from its base, a slight conical constriction 10, flaring outwards, allowing properly center the end of the cable in the chimney. Right after this constriction, inward, we has in the chimney 7, and in this case more precisely in the duct 9, a patch 11 of conductive material, sealingly sealing the fireplace.
- this tablet is made of charged silicone powder with good electrical conduction.
- An advantage of the invention consists in driving into the face inside of the pad 11 the conductor 13 of a discharge resistor 14 called "bleeder", the other conductor of this resistor being pressed, of not shown, in the inside of the chimney disc 8.
- a device is put on the end of the cable 5 hook 15, appearing for example, as shown in the drawing, as a socket with one end flared as a collar taper 16 and the other end of which is split according to one or two generators.
- the inner diameter of this socket is substantially equal to the cable outer diameter 5.
- the chimney 7 has at its free end an engaging device 17 cooperating with the hook device 15.
- the device 17 is a lug or a protuberance formed on the inner wall of the chimney 7.
- the clipping device is a cylindrical socket strung on the chimney and having such lug.
- the dimensions of the collar 16 of the lug 17 are such that they can snap in while holding firmly the cable 5 in the chimney 7, and that the cable 5 can be removed if necessary by exerting a strong traction on this cable, without damage them.
- Lug 17 can be made with the same material as that of the chimney 7, or may be metallic and attached to the chimney.
- the aforementioned sockets are made of plastic appropriate.
- the socket forming the hook 15 is positioned on cable 5 so that the stripped end 18 of this cable is inserted at least 3 mm into the pad 11 when the hook and lug are clipped to ensure good electrical contact and avoid ozone formation.
- potentiometric block 19 comprising potentiometers 20 and 21.
- the cursors of potentiometers 20 and 21 are connected, so represented, by cables 22 and 23 to grids G2 and G3 respectively, from the cathode ray tube supplied by transformer 1.
- This potentiometric block 19 is part of one of the printed circuits of television, or is fixed on one of these circuits.
- the other end of cable 5 is connected to this block, advantageously by a device conductive pad connection similar to that equipping the chimney 7.
- the cables 22 and 23 can be permanently attached to block 19 or removable, and in the latter case, we can also use a quick hook and conductive pads.
- the transformer can be placed high voltage on its printed circuit in the position for which the influence of his radiation on its environment is the least, and we can position the potentiometric block where it’s easy to adjust your potentiometers.
- Another advantage of the invention is to allow to dissociate the transformer from the potentiometric block and corresponding cables, which simplifies repairs in the event of a one of the elements.
- the transformer manufacturer no longer has to deal with bulky cables, and the user can set up the elements of the high circuit tension at the end of manufacturing.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coils Or Transformers For Communication (AREA)
- Details Of Television Scanning (AREA)
- Transformers For Measuring Instruments (AREA)
- Cable Accessories (AREA)
Claims (6)
- Hochspannungstransformator mit abnehmbarem Potentiometerblock, der für die Fokussierungs- und Anodenspannungsversorgung einer Fernseh-Katodenstrahlröhre mittels beweglicher Leiter (5, 6) mit starrer Seele bestimmt ist, wovon jeder ein abgemanteltes Ende besitzt, wobei der Transformator enthält:eine isolierende Schutzhülle, die mit zwei Schächten (7, 8), einem ersten und einem zweiten, versehen ist, welche einteilig mit der Schutzhülle geformt sind, wobei der erste (7) den Fokussierungs-Hochspannungsausgang und der zweite (8) den Anoden-Hochspannungsausgang der Katodenstrahlröhre bildet, wobei in jedem Schacht (7, 8) eine Pille (11) aus mit einem leitenden Pulver angereichertem Silikon befestigt ist, wobei ein erstes Ende eines sogenannten "Bleeder"-Widerstandes (14) in die Pille des ersten Schachts eingeschoben ist und ein zweites Ende dieses sogenannten Bleeder-Widerstandes (14) in die Pille (11) des zweiten Schachts (8) innerhalb der Schutzhülle eingeschoben ist, wobei diese Pillen (11) die Verbindung zwischen innerhalb des Schutzgehäuses in die Pillen eingeschobenen Leitern (12), die mit den Hochspannungswicklungen des Transformators verbunden sind, und den beweglichen Kabeln (5, 6) sicherstellen, wobei das abgemantelte Ende der starren Seele jedes beweglichen Kabels (5, 6) leicht in die Außenfläche der Pille (11) seines entsprechenden Schachts eingeschoben werden kann.
- Transformator nach Anspruch 1, dadurch gekennzeichnet, daß jeder Ausgangsschacht (7, 8) eine Schnelleinrastvorrichtung (17) aufweist, die von einem Leiterkabel (5, 6) abgekoppelt werden kann, wobei dieses Leiterkabel mit einer Hakenvorrichtung (15) versehen ist, die mit der Einrastvorrichtung zusammenwirkt.
- Transformator nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jeder Ausgangsschacht (7, 8) an seinen beiden Enden Dichtungsmittel (37, 34) für die Verbindung aufweist.
- Transformator nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß jeder Schacht (7, 8) eine leichte konische Verengung (10) für die Führung des Endes (18) des entsprechenden Leiterkabels (5, 6) aufweist.
- Transformator nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Potentiometerblock (19) auf einer gedruckten Schaltung befestigt ist oder einen Teil derselben bildet.
- Transformator nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Potentiometerblock (24) an einer der Seiten des Transformators ablösbar befestigt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8518521 | 1985-12-13 | ||
FR8518521A FR2591794B1 (fr) | 1985-12-13 | 1985-12-13 | Transformateur haute tension sans cables de sortie haute tension et a bloc potentiometrique amovible, en particulier pour un tube cathodique trichrome |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0236642A1 EP0236642A1 (de) | 1987-09-16 |
EP0236642B1 EP0236642B1 (de) | 1993-06-16 |
EP0236642B2 true EP0236642B2 (de) | 1998-01-21 |
Family
ID=9325780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86402729A Expired - Lifetime EP0236642B2 (de) | 1985-12-13 | 1986-12-09 | Hochspannungstransformator |
Country Status (8)
Country | Link |
---|---|
US (1) | US4810899A (de) |
EP (1) | EP0236642B2 (de) |
JP (1) | JPH0754775B2 (de) |
DE (1) | DE3688596T3 (de) |
ES (1) | ES2041244T5 (de) |
FR (1) | FR2591794B1 (de) |
HK (1) | HK26195A (de) |
WO (1) | WO1987003737A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3800477A1 (de) * | 1988-01-11 | 1989-07-20 | Graetz Nokia Gmbh | Hochspannungstransformator fuer fernsehgeraete |
DE4105076C2 (de) * | 1991-02-19 | 1993-10-21 | Phoenix Elekt | Elektrische Anschlußklemme |
DE9214928U1 (de) * | 1992-11-03 | 1992-12-17 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Diodensplit-Zeilentransformator |
US5289977A (en) * | 1993-01-06 | 1994-03-01 | Graco Inc. | Electrostatic spray gun power supply connection |
DE4412291A1 (de) * | 1994-04-09 | 1995-10-12 | Nokia Deutschland Gmbh | Zugentlastung |
FR2729254A1 (fr) * | 1995-01-05 | 1996-07-12 | Thomson Television Components | Procede de fabrication d'un connecteur pour cable electrique, cable electrique et transformateur haute tension muni de tels cables |
CN103247953B (zh) * | 2013-05-22 | 2016-06-15 | 国家电网公司 | 套管引出线专用工具 |
DE112016002376B4 (de) * | 2015-05-26 | 2023-11-09 | Mitsubishi Electric Corporation | Elektrische vorrichtung und verfahren zur herstellung einer elektrischen vorrichtung |
CN109887727B (zh) * | 2019-03-31 | 2020-11-03 | 江苏环东电气有限公司 | 一种具有绕组联控辅接的实验小型变压器 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2003176A (en) * | 1933-08-12 | 1935-05-28 | Gen Electric | Electric heater |
US2379942A (en) * | 1942-12-31 | 1945-07-10 | Bell Telephone Labor Inc | Cable terminating means |
US2420118A (en) * | 1943-11-01 | 1947-05-06 | Titeflex Inc | Connecting means for shielded ignition leads |
US2596420A (en) * | 1950-08-10 | 1952-05-13 | Victor A Wicks | Rheostatic switch |
FR71570E (fr) * | 1957-06-20 | 1960-01-05 | Perfectionnements apportés à l'assemblage de pièces électriques | |
US2934668A (en) * | 1959-01-16 | 1960-04-26 | Gerald J Dall | Spark plug |
US3084210A (en) * | 1960-03-28 | 1963-04-02 | Emerson Electric Mfg Co | Connection for submersible motors |
US3344391A (en) * | 1964-02-14 | 1967-09-26 | Elastic Stop Nut Corp | Waterproof electrical connections |
NL149955B (nl) * | 1965-11-04 | 1976-06-15 | Nkf Kabel Bv | Verbinding van de aders van twee een-aderige hoogspanningskabels of de aders van twee meer-aderige hoogspanningskabels, die telkens afzonderlijk zijn doorverbonden en door een hoogspanningsmof van geleidend materiaal zijn omgeven. |
US3550203A (en) * | 1969-01-21 | 1970-12-29 | Jerome H Lemelson | Apparatus for electrical cable |
JPS5126617Y2 (de) * | 1971-07-22 | 1976-07-06 | ||
US3784729A (en) * | 1971-08-23 | 1974-01-08 | Chance Co | Electrical cable connector |
GB1437825A (en) * | 1973-01-15 | 1976-06-03 | Bunker Ramo | Socket contact with conductive elastomer contacint surface |
US3947959A (en) * | 1973-12-03 | 1976-04-06 | Essex International, Inc. | Method of making an electrical connector |
JPS5812555Y2 (ja) * | 1977-09-27 | 1983-03-10 | 電気音響株式会社 | フライバツクトランス |
JPS5818320B2 (ja) * | 1978-04-05 | 1983-04-12 | 株式会社日立製作所 | 巻上装置 |
JPS636463Y2 (de) * | 1979-07-28 | 1988-02-23 | ||
JPS6052606B2 (ja) * | 1979-12-25 | 1985-11-20 | 富士通株式会社 | マイクロ波電界効果トランジスタ回路 |
JPS608412Y2 (ja) * | 1980-03-12 | 1985-03-25 | 三洋電機株式会社 | フライバツクトランス |
DE3041254A1 (de) * | 1980-11-03 | 1982-06-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Zeilentransformator fuer einen fernsehempfaenger |
CA1188819A (en) * | 1981-06-30 | 1985-06-11 | Sanyo Electric Co., Ltd. | Flyback transformer |
FR2551259B1 (fr) * | 1983-08-25 | 1985-11-08 | Siemens Sa | Transformateur haute tension |
DE3471195D1 (en) * | 1983-11-07 | 1988-06-16 | Radiotech Ind Commerc Sa | Voltage control device for cathode-ray tube electrodes |
JPS60210167A (ja) * | 1984-03-31 | 1985-10-22 | Matsushita Electric Ind Co Ltd | フライバツクトランス |
-
1985
- 1985-12-13 FR FR8518521A patent/FR2591794B1/fr not_active Expired
-
1986
- 1986-12-09 ES ES86402729T patent/ES2041244T5/es not_active Expired - Lifetime
- 1986-12-09 US US07/083,855 patent/US4810899A/en not_active Expired - Lifetime
- 1986-12-09 DE DE3688596T patent/DE3688596T3/de not_active Expired - Fee Related
- 1986-12-09 JP JP62500134A patent/JPH0754775B2/ja not_active Expired - Lifetime
- 1986-12-09 EP EP86402729A patent/EP0236642B2/de not_active Expired - Lifetime
- 1986-12-09 WO PCT/FR1986/000427 patent/WO1987003737A1/fr unknown
-
1995
- 1995-03-02 HK HK26195A patent/HK26195A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3688596D1 (de) | 1993-07-22 |
ES2041244T5 (es) | 1998-04-01 |
HK26195A (en) | 1995-03-10 |
DE3688596T3 (de) | 1998-08-06 |
JPS63502234A (ja) | 1988-08-25 |
EP0236642A1 (de) | 1987-09-16 |
WO1987003737A1 (fr) | 1987-06-18 |
US4810899A (en) | 1989-03-07 |
EP0236642B1 (de) | 1993-06-16 |
DE3688596T2 (de) | 1993-12-02 |
JPH0754775B2 (ja) | 1995-06-07 |
ES2041244T3 (es) | 1993-11-16 |
FR2591794B1 (fr) | 1989-01-13 |
FR2591794A1 (fr) | 1987-06-19 |
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Legal Events
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