EP0236642B2 - Transformateur haute tension - Google Patents

Transformateur haute tension Download PDF

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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
Application number
EP86402729A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0236642B1 (fr
EP0236642A1 (fr
Inventor
Joel Vincent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orega Electronique et Mecanique
Original Assignee
Orega Electronique et Mecanique
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9325780&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0236642(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Orega Electronique et Mecanique filed Critical Orega Electronique et Mecanique
Publication of EP0236642A1 publication Critical patent/EP0236642A1/fr
Publication of EP0236642B1 publication Critical patent/EP0236642B1/fr
Application granted granted Critical
Publication of EP0236642B2 publication Critical patent/EP0236642B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Details Of Television Scanning (AREA)
  • Cable Accessories (AREA)
  • Transformers For Measuring Instruments (AREA)
EP86402729A 1985-12-13 1986-12-09 Transformateur haute tension Expired - Lifetime EP0236642B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
FR8518521 1985-12-13

Publications (3)

Publication Number Publication Date
EP0236642A1 EP0236642A1 (fr) 1987-09-16
EP0236642B1 EP0236642B1 (fr) 1993-06-16
EP0236642B2 true EP0236642B2 (fr) 1998-01-21

Family

ID=9325780

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402729A Expired - Lifetime EP0236642B2 (fr) 1985-12-13 1986-12-09 Transformateur haute tension

Country Status (8)

Country Link
US (1) US4810899A (ja)
EP (1) EP0236642B2 (ja)
JP (1) JPH0754775B2 (ja)
DE (1) DE3688596T3 (ja)
ES (1) ES2041244T5 (ja)
FR (1) FR2591794B1 (ja)
HK (1) HK26195A (ja)
WO (1) WO1987003737A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (ja) * 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 (ja) * 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
EP0142200B1 (fr) * 1983-11-07 1988-05-11 La Radiotechnique Portenseigne Dispositif de réglage de tension d'électrode pour tube à rayons cathodiques
JPS60210167A (ja) * 1984-03-31 1985-10-22 Matsushita Electric Ind Co Ltd フライバツクトランス

Also Published As

Publication number Publication date
FR2591794A1 (fr) 1987-06-19
EP0236642B1 (fr) 1993-06-16
WO1987003737A1 (fr) 1987-06-18
DE3688596T2 (de) 1993-12-02
HK26195A (en) 1995-03-10
FR2591794B1 (fr) 1989-01-13
DE3688596T3 (de) 1998-08-06
DE3688596D1 (de) 1993-07-22
US4810899A (en) 1989-03-07
JPH0754775B2 (ja) 1995-06-07
ES2041244T3 (es) 1993-11-16
EP0236642A1 (fr) 1987-09-16
JPS63502234A (ja) 1988-08-25
ES2041244T5 (es) 1998-04-01

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