EP0110100B1 - Holder and socket for picture tubes - Google Patents

Holder and socket for picture tubes Download PDF

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Publication number
EP0110100B1
EP0110100B1 EP83110459A EP83110459A EP0110100B1 EP 0110100 B1 EP0110100 B1 EP 0110100B1 EP 83110459 A EP83110459 A EP 83110459A EP 83110459 A EP83110459 A EP 83110459A EP 0110100 B1 EP0110100 B1 EP 0110100B1
Authority
EP
European Patent Office
Prior art keywords
socket
base
picture tube
longitudinal axis
slot
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
Application number
EP83110459A
Other languages
German (de)
French (fr)
Other versions
EP0110100A1 (en
Inventor
Otto Brunn
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.)
Nokia Deutschland GmbH
Original Assignee
Alcatel SEL AG
Standard Elektrik Lorenz AG
International Standard Electric Corp
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
Application filed by Alcatel SEL AG, Standard Elektrik Lorenz AG, International Standard Electric Corp filed Critical Alcatel SEL AG
Publication of EP0110100A1 publication Critical patent/EP0110100A1/en
Application granted granted Critical
Publication of EP0110100B1 publication Critical patent/EP0110100B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/92—Means forming part of the tube for the purpose of providing electrical connection to it

Definitions

  • the invention relates to a socket and a base according to the preamble of the claim.
  • Sockets are known for picture tubes working with high focusing voltages, in which the connecting pin for the focusing voltage is arranged in a chamber, the so-called silo.
  • a high-voltage plug with an insulation filling the interior of the silo serves as a supply line for the high voltage from the power supply part.
  • Such a high-voltage plug can also be structurally combined with the other plugs of the socket to form a unit.
  • One half of the base or the socket is then provided for this one high-voltage connection, all other connections are on the other half of the base. In this way, there are sufficiently dimensioned air gaps and creepage distances between the feed lines, which are larger than the protective spark gap.
  • the silo is approximately as long as the base.
  • the socket or the additional high-voltage connector must protrude the base in the direction of its longitudinal extension parallel to the axis of the picture tube.
  • this is disadvantageous in that the installation dimension of the picture tube is extended by the socket beyond the base.
  • the frame In order to keep the depth of the device in which the picture tube is installed as small as possible, the frame must not protrude beyond the base.
  • the design of the known base should be retained as much as possible.
  • the new base differs from the known base in that a slot in the outer wall of the base, which runs parallel to the axis of the base from the edge of the silo, opens the silo over 30-60% of its length.
  • the supply line to the high-voltage connection is inserted, which then runs radially outward from the internal spring.
  • the length of the socket can be kept so small that it, including the dimension required for the connections of all supply lines, is even shorter than the base itself.
  • There are several options for the formation of the connections depending on the whether the leads are printed conductors or cables. A common requirement for all types of supply is. that the air and creepage distances maintained in the base and socket are maintained.
  • the lateral lead-out of the supply line according to the invention in a short version creates good conditions for this.
  • Fig. 1 shows the base 5 from the back of the picture tube with the mount 9, 10 and the printed circuit board 11 with the connecting leads 8.
  • the ground connection and 12 are the protective spark gaps.
  • the silo 4 has a slot 2 through which the feed line 3 to the connecting spring 6, which makes contact with the contact pin 7, is guided.
  • the cutout 17 in the base part 10 of the socket can be widened so that the creepage distance 14 is larger than the creepage distance 15 which is also present in the known combinations of base and socket and is there the smallest creepage distance 15.
  • FIG. 2 shows the arrangement according to FIG. 1, viewed in the direction of arrow S. This figure illustrates how the feed line 3 is guided outwards through the slot 2 between the jacket part 9 and the bottom part 10 of the socket.
  • the neck 18 of the picture tube carries the base 5. Potting compound between the neck of the picture tube and the base prevents air and creepage distances.
  • the feed line 3 runs in the radial direction through the slot 2 sideways to the outside. The feed line 3 is in the middle third of the length of the base.
  • connection ends 19 of the leads are led out horizontally and connected to the conductor tracks 8 provided on the top of the circuit board.
  • FIG. 4 shows that the structure of the base and socket according to the invention does not necessarily require the connections to be made with a printed circuit board 11.
  • the electrical connections are realized in this embodiment by means of one or more connectors 18 on the circumference of the flange-like jacket and bottom parts 9, 10 of the socket.
  • the creepage distance 15 runs from the contact pin 7 to the closest of the other contact pins along the surface of the base; as shown in dashed lines in Fig. 1 and Fig. 2.
  • the length of the base 5 is dimensioned and the contact pins are arranged in niches in such a way that leakage currents cannot form.
  • a creepage distance 14 corresponding to the creepage distance 15 and running on the socket extends along the bottom part 10 of the socket and is entered in FIGS. 1 and 2 as a dotted line.
  • the creepage distance 14 critical for the socket does not need to be longer than the creepage distance 15 which is decisive for the socket shorter version is realized in that the silo of the base is partially open to the outside.
  • connection ends 19 of the leads to the connection springs 6 such that they can be bent from the radial direction into the axial direction or vice versa.
  • a version of the jacket part 9 and bottom part 10 can then be easily adapted to different boards, plugs, etc.
  • both can also be formed as one part, the circuit board also being able to be integrated.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Connecting Device With Holders (AREA)

Description

Die Erfindung betrifft eine Fassung und einen Sockel gemäß dem Oberbegriff des Anspruches.The invention relates to a socket and a base according to the preamble of the claim.

Für mit hohen Fokussierspannungen arbeitende Bildröhren sind Sockel bekannt, bei wel--chen der Anschlußstift für die Fokussierspannung in einer Kammer, dem sogenannten Silo, angeordnet ist. Bei einem solchen bekannten Sockel dient ein Hochspannungsstecker mit einer das innere des Silos ausfüllenden Isolation als Zuleitung der Hochspannung aus dem Stromversorgungsteil. Ein solcher Hochspannungsstecker kann auch mit den weiteren Steckern der Fassung konstruktiv zu einer Einheit zusammengefaßt sein. Es ist dann die eine Hälfte des Sockels bzw. der Fassung für diesen einen Hochspannungsanschluß vorgesehen, alle anderen Anschlüsse befinden sich auf der anderen Hälfte des Sockels. Auf diese Weise sind ausreichend dimensionierte Luftstrecken und Kriechwege zwischen den Zuleitungen vorhanden, welche größer sind als die Schutzfunkenstrecke. Bei einem aus der DE-A-2718 966 bekannten Sockel ist das Silo annähernd so lang wie der Sockel.Sockets are known for picture tubes working with high focusing voltages, in which the connecting pin for the focusing voltage is arranged in a chamber, the so-called silo. In such a known base, a high-voltage plug with an insulation filling the interior of the silo serves as a supply line for the high voltage from the power supply part. Such a high-voltage plug can also be structurally combined with the other plugs of the socket to form a unit. One half of the base or the socket is then provided for this one high-voltage connection, all other connections are on the other half of the base. In this way, there are sufficiently dimensioned air gaps and creepage distances between the feed lines, which are larger than the protective spark gap. In a base known from DE-A-2718 966, the silo is approximately as long as the base.

Demgemäß muß die Fassung bzw. der zusätzliche Hochspannungsanschlußstecker den Sockel in Richtung seiner Längsausdehnung parallel zur Achse der Bildröhre überragen. Dies ist jedoch insofern nachteilig, als das Einbaumaß der Bildröhre durch die Fassung noch über den Sockel hinaus verlängert wird. Um die Tiefe des Gerätes, in welchem die Bildröhre eingebaut ist, so gering wie möglich halten zu können, muß ein Herausragen der Fassung über den Sockel vermieden werden. Die Bauform der bekannten Sockel soll dabei so weit wie möglich beibehalten werden.Accordingly, the socket or the additional high-voltage connector must protrude the base in the direction of its longitudinal extension parallel to the axis of the picture tube. However, this is disadvantageous in that the installation dimension of the picture tube is extended by the socket beyond the base. In order to keep the depth of the device in which the picture tube is installed as small as possible, the frame must not protrude beyond the base. The design of the known base should be retained as much as possible.

Es ist Aufgabe der Erfindung, die bisher bewährte Bauform derart weiter zu entwickeln, daß ein Herausragen der Fassung über den Sockel vermieden wird.It is an object of the invention to further develop the previously proven design in such a way that the socket does not protrude beyond the base.

Die Lösung dieser Aufgabe erfolgt gemäß der Erfindung durch die im Anspruch angegebene Kombination von Merkmalen.This object is achieved according to the invention by the combination of features specified in the claim.

Der neue Sockel unterscheidet sich vom bekannten Sockel dadurch, daß ein Schlitz in der Außenwand des Sockels, welcher vom Rand des Silos her parallel zur Achse des Sockels verläuft, das Silo über 30-60 % seiner Länge öffnet. In diesen Schlitz wird beim Aufsetzen der Fassung die Zuleitung zum Hochspannungsanschluß eingeschoben, welche dann von der innen befindlichen Anschlußfeder aus radial nach außen verläuft. Durch diese Herausführung der Hochspannungszuleitung nach der Seite hin kann die Länge der Fassung so gering gehalten werden, daß sie einschließlich der für die Anschlüsse sämtlicher Zuleitungen notwendigen Abmessung noch kürzer ist als der Sockel selbst. Für die Ausbildung der Anschlüsse gibt es mehrere Möglichkeiten, je nachdem, ob die Zuleitungen gedruckte Leiterzüge oder Kabel sind. Gemeinsame Voraussetzung für alle Arten der Zuleitung ist. daß die bei Sockel und Fassung eingehaltenen Luft- und Kriechstrecken beibehalten sind. Die erfindungsgemäße seitliche Herausführung der Zuleitung an einer kurzen Fassung schafft dazu gute Voraussetzungen.The new base differs from the known base in that a slot in the outer wall of the base, which runs parallel to the axis of the base from the edge of the silo, opens the silo over 30-60% of its length. When the socket is placed in this slot, the supply line to the high-voltage connection is inserted, which then runs radially outward from the internal spring. By leading out the high-voltage supply line to the side, the length of the socket can be kept so small that it, including the dimension required for the connections of all supply lines, is even shorter than the base itself. There are several options for the formation of the connections, depending on the whether the leads are printed conductors or cables. A common requirement for all types of supply is. that the air and creepage distances maintained in the base and socket are maintained. The lateral lead-out of the supply line according to the invention in a short version creates good conditions for this.

Anhand der Figuren 1 bis 4 ist die Erfindung nachstehend beschrieben. Es zeigen :

  • Figur 1 eine Draufsicht auf den Sockel mit aufgeschobener Fassung und Platine, in Richtung der Farbbildröhrenlängsachse gesehen,
  • Figur 2 den Sockel im Teillängsschnitt mit aufgesteckter Fassung und Platine,
  • Figur 3 einen Teil der Fassung und der Platine in einer anderen Ausführungsform in der Darstellungsart von Fig. 2,
  • Figur 4 ein Detail der Fassung in der Darstellungsart von Fig. 2.
The invention is described below with reference to FIGS. 1 to 4. Show it :
  • FIG. 1 shows a plan view of the base with the mount and circuit board pushed on, viewed in the direction of the longitudinal axis of the color picture tube,
  • FIG. 2 shows the base in partial longitudinal section with the socket and circuit board attached,
  • FIG. 3 shows a part of the socket and the circuit board in another embodiment in the manner of representation from FIG. 2,
  • Figure 4 shows a detail of the version in the representation of Fig. 2nd

Fig. 1 zeigt den Sockel 5 von der Rückseite der Bildröhre her mit aufgeschobener Fassung 9, 10 und der als gedruckte Schaltung ausgebildeten Platine 11 mit den Aschlußleitungen 8. Mit 12 ist der Masseanschluß und mit 13 sind die Schutzfunkenstrecken bezeichnet. Das Silo 4 besitzt einen Schlitz 2, durch welchen die Zuleitung 3 zur Anschlußfeder 6, welche den Kontakt zum Kontaktstift 7 herstellt, geführt ist. Der Ausschnitt 17 im Bodenteil 10 der Fassung kann erweitert sein, so daß die Kriechstrecke 14 größer ist als die auch bei den bekannten Kombinationen von Sockel und Fassung vorhandene, dort kleinste, am Sockel vorhandene Kriechstrecke 15.Fig. 1 shows the base 5 from the back of the picture tube with the mount 9, 10 and the printed circuit board 11 with the connecting leads 8. The ground connection and 12 are the protective spark gaps. The silo 4 has a slot 2 through which the feed line 3 to the connecting spring 6, which makes contact with the contact pin 7, is guided. The cutout 17 in the base part 10 of the socket can be widened so that the creepage distance 14 is larger than the creepage distance 15 which is also present in the known combinations of base and socket and is there the smallest creepage distance 15.

Fig. 2 zeigt die Anordnung gemäß Fig. 1, betrachtet in Richtung des Pfeiles S. Diese Figur verdeutlicht, wie die Zuleitung 3 durch den Schlitz 2 zwischen dem Mantelteil 9 und dem Bodenteil 10 der Fassung nach außen geführt ist.FIG. 2 shows the arrangement according to FIG. 1, viewed in the direction of arrow S. This figure illustrates how the feed line 3 is guided outwards through the slot 2 between the jacket part 9 and the bottom part 10 of the socket.

Der Hals 18 der Bildröhre trägt den Sockel 5. Vergußmasse zwischen dem Hals der Bildröhre und dem Sockel verhindert Luft- und kriechstrecken. Zwischen Mantelteil 9 und Bodenteil 10 der Fassung verläuft die Zuleitung 3 in radialer Richtung durch den Schlitz 2 seitlich nach außen. Die Zuleitung 3 liegt im mittleren Drittel der Länge des Sockels.The neck 18 of the picture tube carries the base 5. Potting compound between the neck of the picture tube and the base prevents air and creepage distances. Between the jacket part 9 and the bottom part 10 of the socket, the feed line 3 runs in the radial direction through the slot 2 sideways to the outside. The feed line 3 is in the middle third of the length of the base.

Eine andere noch raumsparendere Ausführungsform ist in Fig. 3 gezeigt. Die Anschlußenden 19 der Zuleitungen sind waagrecht herausgeführt und an die auf der Oberseite der Platine angebrachten Leiterbahnen 8 angeschlossen.Another even more space-saving embodiment is shown in FIG. 3. The connection ends 19 of the leads are led out horizontally and connected to the conductor tracks 8 provided on the top of the circuit board.

Die Fig. 4 zeigt, daß der erfindungsgemäße Aufbau von Sockel und Fassung nicht unbedingt erfordert, die Anschlüsse mit einer als gedruckte Schaltung ausgebildeten Platine 11 vorzunehmen. Die elektrischen Anschlüsse sind bei diesem Ausführungsbeispiel mittels eines oder mehrerer Anschlußstecker 18 am Umfang der flanschartig verbundenen Mantel- und Bodenteile 9, 10 der Fassung verwirklicht.FIG. 4 shows that the structure of the base and socket according to the invention does not necessarily require the connections to be made with a printed circuit board 11. The electrical connections are realized in this embodiment by means of one or more connectors 18 on the circumference of the flange-like jacket and bottom parts 9, 10 of the socket.

Die Kriechstrecke 15 verläuft vom Kontaktstift 7 zum nächstliegenden der anderen Kontaktstifte entlang der Oberfläche des Sockels ; wie in Fig. 1 und Fig. 2 gestrichelt eingetragen. Die Länge des Sockels 5 ist so bemessen und die Kontaktstifte sind derart in Nischen angeordnet, daß sich Kriechströme nicht ausbilden können. Eine der Kriechstrecke 15 entsprechende, auf der Fassung verlaufende Kriechstrecke 14 erstreckt sich entlang des. Bodenteils 10 der Fassung und ist in Fig. 1 und 2 als punktierte Linie eingetragen. Bei gleicher Oberflächenqualität der Werkstoffe von Sockel und Fassung hinsichtlich der Kriechstromfestigkeit braucht die für die Fassung kritische Kriechstrecke 14 nicht länger zu sein, als die für den Sockel maßgebende Kriechstrecke 15. Die Erfindung zeigt eine Anordnung, bei der durch Vermeidung einer überlänge der Kriechstrecke 14 eine kürzere Fassung verwirklicht ist, indem das Silo des Sockels nach außen hin zum Teil geöffnet ist. Es bieten sich dadurch konstruktiv günstige Möglichkeiten zur Ausbildung einer platzsparenden Fassung an, von welcher in den Figuren 2 bis 4 drei Ausführungsbeispiele dargestellt sind. Besonders vorteilhaft ist es, die Anschlußenden 19 der Zuleitungen zu den Anschlußfedern 6 so auszubilden, daß sie aus radialer Richtung in achsiale oder umgekehrt gebogen werden können. Eine Fassung aus Mantelteil 9 und Bodenteil 10 kann dann an unterschiedliche Platinen, Stecker usw. leicht angepaßt werden. Anstelle der zweiteiligen Ausbildung von Mantel-und Bodenteil können beide auch als ein Teil ausgebildet sein, wobei die Platine ebenfalls integriert sein kann.The creepage distance 15 runs from the contact pin 7 to the closest of the other contact pins along the surface of the base; as shown in dashed lines in Fig. 1 and Fig. 2. The length of the base 5 is dimensioned and the contact pins are arranged in niches in such a way that leakage currents cannot form. A creepage distance 14 corresponding to the creepage distance 15 and running on the socket extends along the bottom part 10 of the socket and is entered in FIGS. 1 and 2 as a dotted line. With the same surface quality of the base and socket materials with regard to the tracking resistance, the creepage distance 14 critical for the socket does not need to be longer than the creepage distance 15 which is decisive for the socket shorter version is realized in that the silo of the base is partially open to the outside. This offers structurally advantageous options for forming a space-saving socket, of which three exemplary embodiments are shown in FIGS. 2 to 4. It is particularly advantageous to design the connection ends 19 of the leads to the connection springs 6 such that they can be bent from the radial direction into the axial direction or vice versa. A version of the jacket part 9 and bottom part 10 can then be easily adapted to different boards, plugs, etc. Instead of the two-part design of the jacket and base part, both can also be formed as one part, the circuit board also being able to be integrated.

BezugszeichenlisteReference symbol list

  • 1 Außenwand1 outer wall
  • 2 Schlitz2 slots
  • 3 Zuleitung3 supply line
  • 4 Silo4 silo
  • 5 Sockel5 bases
  • 6 Anschlußfeder6 connection spring
  • 7 Kontaktstift7 contact pin
  • 8 Anschlußleitung8 connecting cable
  • 9 Mantelteil der Fassung9 jacket part of the socket
  • 10 Bodenteil der Fassung10 base part of the socket
  • 11 Platine11 circuit board
  • 12 Masseanschluß12 ground connection
  • 13 Schutzfunkenstrecke13 protective spark gap
  • 14 Kriechstrecke14 creepage distance
  • 15 Kriechstrecke15 creepage distance
  • 16 Luftstrecken16 air routes
  • 17 Ausschnitt17 detail
  • 18 Anschlußstecker18 connectors
  • 19 Anschlußenden19 connection ends

Claims (1)

  1. A socket (9, 10) and base (5) with a hollow body structure (4) for a picture tube, characterized by the combination of the following features :
    1. The hollow body structure (4) of the base (5) is provided on its outer wall (1) with a slot (2) open at one end, with this slot (2) extending throughout 30-60 % of the length of said hollow body structure in the direction of the longitudinal axis of the picture tube ;
    2. through said slot (2), in the inserted state of the socket (9, 10), there extends a high-tension lead (3) to a connecting spring (6) in the radial direction ;
    3. the radially extending portion of said high-tension lead (3), when viewed in the direction of the longitudinal axis of the picture tube, is positioned in the middle third of the base length ;
    4. the radially extending portion of said high-tension lead (3) is enclosed by the socket (9, 10) ;
    5. the length of said socket (9, 10) in the direction of the longitudinal axis of the picture tube is 20-40 % smaller than the corresponding base length ;
    6. when the socket is placed on to the base (5), the socket is shorter than the base (5) in the direction of the longitudinal axis of the picture tube ;
    7. all connecting lines (8) serving for the electrical connection of the socket (9, 10) do not project over the base (5) in the direction of the longitudinal axis of the picture tube, when the socket (9, 10) is placed in position.
EP83110459A 1982-10-27 1983-10-20 Holder and socket for picture tubes Expired EP0110100B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823239691 DE3239691A1 (en) 1982-10-27 1982-10-27 SOCKET AND BASE FOR PIPE TUBES
DE3239691 1982-10-27

Publications (2)

Publication Number Publication Date
EP0110100A1 EP0110100A1 (en) 1984-06-13
EP0110100B1 true EP0110100B1 (en) 1986-08-20

Family

ID=6176677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110459A Expired EP0110100B1 (en) 1982-10-27 1983-10-20 Holder and socket for picture tubes

Country Status (5)

Country Link
US (1) US4565420A (en)
EP (1) EP0110100B1 (en)
JP (1) JPS59117054A (en)
CA (1) CA1183583A (en)
DE (2) DE3239691A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002324641A (en) * 2001-04-26 2002-11-08 Smk Corp Thin crt socket
US6670746B2 (en) 2001-12-12 2003-12-30 Thomson Licensing S.A. Cathode ray tube electrical connector with through passage and leaf springs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49149663U (en) * 1973-04-25 1974-12-25
US3979157A (en) * 1974-10-10 1976-09-07 Rca Corporation Electron tube base
US4075531A (en) * 1977-01-03 1978-02-21 Zenith Radio Corporation Base-socket system with arc prevention means
EP0050574B1 (en) * 1980-10-20 1985-04-17 Societe Francaise Metallo (Sa) Very high voltage connector for a cathode ray tube

Also Published As

Publication number Publication date
US4565420A (en) 1986-01-21
JPS59117054A (en) 1984-07-06
EP0110100A1 (en) 1984-06-13
CA1183583A (en) 1985-03-05
DE3239691A1 (en) 1984-05-03
DE3365470D1 (en) 1986-09-25

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