EP0531690B1 - High voltage connection - Google Patents
High voltage connection Download PDFInfo
- Publication number
- EP0531690B1 EP0531690B1 EP92112913A EP92112913A EP0531690B1 EP 0531690 B1 EP0531690 B1 EP 0531690B1 EP 92112913 A EP92112913 A EP 92112913A EP 92112913 A EP92112913 A EP 92112913A EP 0531690 B1 EP0531690 B1 EP 0531690B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage cable
- contact spring
- duct
- tubular
- piece
- 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
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-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
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- 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
- H01J29/925—High voltage anode feedthrough connectors for display tubes
Definitions
- the invention relates to a high-voltage connection for picture tubes according to the preamble of claim 1 or 2.
- Such a high-voltage connection is known from DE-A-2839369.
- Such connectors which are used for the electrically conductive connection of picture tubes with high-voltage cables, conventionally have at least one end cap made of flexible material, a contact spring inserted in the end cap and a high-voltage cable electrically conductively connected to the contact spring.
- a connector that meets these minimum requirements is illustrated in DE-A-3902622.
- this connector has a connecting piece which forms an integral component with the shielding cap and through which the high-voltage cable is guided to the contact spring arranged on the inside of the cap.
- This connector supports through its length and due to its tight sheathing of the high-voltage cable to the high-voltage strength of the connector.
- the above-mentioned script also explains how a connector is formed from the individual parts. For this purpose, the high-voltage cable is cut to the required length and the end, which is later connected to the contact spring, is inserted so far into the connecting piece that this end emerges from the opening in which the contact spring is to rest later. Then this end is stripped somewhat.
- the wire end freed from the insulation is then connected in an electrically conductive manner to the contact spring by squeezing the bare wire end on the high-voltage cable still surrounded by the insulation with the cooperation of the metal contact spring.
- the high-voltage cable is pulled back through the connecting piece until the contact spring has reached its final resting position in the opening of the shielding cap. A further pulling out of the high-voltage cable is not possible because the shape of the contact spring is chosen so that it also serves as strain relief. Since the shielding cap is a flexible structure and the connection piece has to sheath the high-voltage cable for reasons of high-voltage strength, it is a very complex undertaking to automate the production of such high-voltage connections.
- this plug has an inflexible piece of insulating material, on which the flexible Material formed shield cap is attached.
- the piece of insulating material is further characterized in that it has a receptacle for the contact spring and a molded connection piece.
- the stripped end emerges from the opening mentioned above.
- the parts of the contact spring which conduct the electrical current are designed such that at least one contact tongue is arranged in the immediate vicinity of the opening from which the stripped end of the high-voltage cable emerges.
- the stripped end and the contact tongue are soldered together.
- This type of connector is considered disadvantageous in that the bare wire end must be soldered to the contact tongue in order to produce an electrically conductive connection. This is mainly because, depending on the design of the cover cap and the insulating piece, this requires a very precise and therefore complex soldering.
- the invention has for its object to provide a connector for high-voltage connections of picture tubes that a quick just by inserting the high-voltage cable into the connector and high-voltage-safe contacting of high-voltage cable and contact spring.
- the solution according to the invention is also particularly advantageous because it largely automates the manufacturing process.
- strain relief for the high-voltage cable is designed in such a way that it relieves the high-voltage cable as soon as the high-voltage cable has found its end position in the connecting piece, the manufacture of connecting plugs for picture tubes is further simplified.
- the connector 10 shown in FIG. 1 is essentially formed by the piece of insulating material 11 and the shielding cap 12 which is connected to it and made of flexible material.
- the shielding cap 12 which has an approximately conical outer contour and has an opening in the middle, is inserted into a recess 13 of the insulating piece 11 corresponding to the shielding contour.
- the opening of the shielding cap 12 is filled by the pipe section 14 of the insulating piece 11.
- the contact spring formed entirely of metal 16 is inserted and locked on the inner wall of the connecting piece 15 by means of the formed on the contact spring 16 hooks 17th It is pointed out that the shape of the contact spring 16 in the area facing the picture tube and the insulating piece 11 is irrelevant.
- the contact spring which in the present embodiment consists essentially of four Spring elements 18 is formed, also has a contact tab 19, the course of which follows that of the connector 15.
- the end of the contact tab 19 facing away from the spring elements 18 is provided with a circular opening 20 which is surrounded on both sides by a collar 21.
- a tubular connecting piece 22 connects approximately at right angles to the course of the connecting piece 15.
- the mouth region 23 of the connection piece 22, that is to say the region in which the channel 24 of the connection piece 22 merges into the connection piece 15, is conical.
- the opening 20 in the contact tab 19 of the contact spring 16 inserted into the insulating piece 11 is arranged such that a center line through the opening 20 coincides exactly with the center line through the channel 24. This arrangement ensures that when a high-voltage cable 26 provided with a plug 25 is inserted in the direction of arrow P into the connecting piece 22, the round tip 27 of the plug 25, which is slightly less than the diameter of the opening, is inserted into the opening 20 and at the same time the contact spring 16 electrically conductively connects to the high-voltage source (not shown).
- the strain relief is not shown for reasons of clarity.
- the opening in the shield 12 is formed so that its raised edge 28 closely to the outer jacket of the Pipe piece 14 rests, a separate connection of the shielding cap 12 and insulating piece 11 can be dispensed with.
- the incision 29 in the insulating piece 11 serves to mount the contact tab 19 in the insulating piece 11 and furthermore facilitates insertion of the plug 26 into the opening 20.
- the connector 10 shown in Figure 2 differs only slightly from the connector shown in Figure 1.
- the reference numerals used in FIG. 1 can therefore also be used in FIG. 2, provided the components or their functions used in FIG. 2 are the same as in FIG. 1.
- the contact spring 16 has no contact tab 19. Instead, the contact spring 16 in FIG. 2 has a short contact sword 30. This contact sword 30 is pierced into the guide rubber 31 inserted in the interior of the connector 15. If the stripped end 32 of the high-voltage cable 25 is now inserted in the direction of arrow P through the channel 24, this end 32 also sticks into the conductive rubber 31 as soon as the high-voltage cable 25 has reached its end position in the channel 24. Characterized in that the contact blade 30 and the stripped end 32 pierce the conductive rubber 31, the contact spring 16 is electrically conductively connected to the high voltage source.
- the strain relief and the high-voltage fuse is designed in such a way that the end of the connecting piece 22 facing away from the connecting piece 15 is slit four times in the longitudinal direction.
- the remaining tongues 33 have projections 34 on their side facing the interior of the channel 24, which protrude in the direction of the mouth region 23.
- the tongues 33 dodge in the direction of the arrows F1 and F2.
- the closure 35 previously threaded onto the high-voltage cable 25 is pushed over the end of the connecting piece 22.
- the projections 34 are pressed into the insulation 36 of the high-voltage cable 25.
- the closure 35 latches with the connection piece 22.
- a separate illustration of the parts which enable the closure 35 to be locked with the connection piece 22 has been omitted for reasons of clarity. After the closure 35 is locked on the connecting piece 22, the strain relief and high-voltage security are achieved.
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Cable Accessories (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
Die Erfindung befaßt sich mit einem Hochspannungsanschluß für Bildröhren gemäß dem Oberbegriff von Anspruch 1 oder 2.The invention relates to a high-voltage connection for picture tubes according to the preamble of claim 1 or 2.
Ein solcher Hochspannungsanschluß ist bekannt aus der DE-A-2839369. Solche Anschlußstecker, welche zur elektrisch leitenden Verbindung von Bildröhren mit Hochspannungskabeln dienen, weisen herkömmlich zumindest eine aus flexiblem Material gebildete Abschlußkappe, eine in der Abschlußkappe eingesetzte Kontaktfeder und ein mit der Kontaktfeder elektrisch leitend verbundenes Hochspannungskabel auf.Such a high-voltage connection is known from DE-A-2839369. Such connectors, which are used for the electrically conductive connection of picture tubes with high-voltage cables, conventionally have at least one end cap made of flexible material, a contact spring inserted in the end cap and a high-voltage cable electrically conductively connected to the contact spring.
Ein - diese Minimalforderungen - erfüllender Anschlußstecker ist in DE-A-3902622 veranschaulicht. Dieser Anschlußstecker weist abweichend von der obigen Darstellung einen Anschlußstutzen auf, der mit der Abschirmkappe ein einstückiges Bauteil bildet und durch welchen das Hochspannungskabel zu der an der Kappeninnenseite angeordneten Kontaktfeder geführt ist. Dieser Anschlußstutzen trägt durch seine Baulänge und durch seine enge Ummantelung des Hochspannungskabels zur Hochspannungsfestigkeit des Anschlußsteckers bei. In der eben erwähnten Schrift ist auch ausgeführt, wie aus den Einzelteilen ein Anschlußstecker gebildet wird. Dazu wird das Hochspannungskabel auf die benötigte Länge abgelängt und das Ende, welches später mit der Kontaktfeder verbunden wird, soweit in den Anschlußstutzen eingeschoben, daß dieses Ende aus der Öffnung, in welcher später die Kontaktfeder ruhen soll, heraustritt. Sodann wird dieses Ende etwas abisoliert. Das von der Isolierung befreite Drahtende wird dann elektrisch leitend mit der Kontaktfeder verbunden, indem das blanke Drahtende unter Mitwirkung der aus Metall gebildeten Kontaktfeder auf dem noch von der Isolierung umgebenen Hochspannungskabel verquetscht wird. Abweichend von den Ausführungen in der oben angeführten Schrift ist es üblich, das blanke Drahtende mit der Kontaktfeder zusätzlich zu verlöten. Nachdem die Verbindung von Kabel und Kontaktfeder abgeschlossen ist, wird das Hochspannungskabel durch den Anschlußstutzen zurückgezogen, bis die Kontaktfeder in der Öffnung der Abschirmkappe ihre Endruhelage eingenommen hat. Ein weiteres Herausziehen des Hochspannungskabels ist nicht möglich, da die Form der Kontaktfeder so gewählt ist, daß sie gleichzeitig als Zugentlastung dient. Da die Abschirmkappe ein flexibles Gebilde ist und der Anschlußstutzen aus Gründen der Hochspannungsfestigkeit das Hochspannungskabel fest ummanteln muß, ist es ein sehr aufwendiges Unterfangen die Fertigung derartiger Hochspannungsanschlüsse zu automatisieren.A connector that meets these minimum requirements is illustrated in DE-A-3902622. Deviating from the above illustration, this connector has a connecting piece which forms an integral component with the shielding cap and through which the high-voltage cable is guided to the contact spring arranged on the inside of the cap. This connector supports through its length and due to its tight sheathing of the high-voltage cable to the high-voltage strength of the connector. The above-mentioned script also explains how a connector is formed from the individual parts. For this purpose, the high-voltage cable is cut to the required length and the end, which is later connected to the contact spring, is inserted so far into the connecting piece that this end emerges from the opening in which the contact spring is to rest later. Then this end is stripped somewhat. The wire end freed from the insulation is then connected in an electrically conductive manner to the contact spring by squeezing the bare wire end on the high-voltage cable still surrounded by the insulation with the cooperation of the metal contact spring. Deviating from the explanations in the above-mentioned document, it is customary to additionally solder the bare wire end to the contact spring. After the connection of the cable and the contact spring has been completed, the high-voltage cable is pulled back through the connecting piece until the contact spring has reached its final resting position in the opening of the shielding cap. A further pulling out of the high-voltage cable is not possible because the shape of the contact spring is chosen so that it also serves as strain relief. Since the shielding cap is a flexible structure and the connection piece has to sheath the high-voltage cable for reasons of high-voltage strength, it is a very complex undertaking to automate the production of such high-voltage connections.
Ein anderer und gleichzeitig den Ausgangspunkt für die vorliegende Erfindung bildende Anschlußstecker zeichnet sich dadurch aus, daß dieser Stecker ein unflexibles Isolierstoffstück aufweist, an welchem die aus flexiblem Material gebildete Abschirmkappe befestigt ist. Das Isolierstoffstück zeichnet sich weiter dadurch aus, daß es eine Aufnahme für die Kontaktfeder und einen angeformten Anschlußstutzen aufweist. Nachdem die Anschlußkappe mit dem Isolierstoffstück verbunden ist und die Kontaktfeder in das Isolierstoffstück eingesetzt worden ist, erfolgt die Kontaktierung der Kontaktfeder. Dazu wird das Hochspannungskabel auf das gewünschte Maß abgelängt und ein Ende abisoliert. Das abisolierte Ende wird in den Anschlußstutzen eingeschoben. An dem Ende des Anschlußstutzens ist eine Öffnung vorhanden, die den Durchmesser des abisolierten Endes des Hochspannungskabels knapp übersteigt. Sobald das Hochspannungskabel im Anschlußstutzen seine Endposition erreicht hat, tritt das abisolierte Ende aus der oben benannten Öffnung heraus. Die den elektrischen Strom leitenden Teile der Kontaktfeder sind so ausgebildet, daß zumindest eine Kontaktzunge in unmittelbarer Nähe der Öffnung angeordnet ist, aus welcher das abisolierte Ende des Hochspannungskabels heraustritt. Zur Kontaktierung von Kontaktfeder und Hochspannungskabel werden das abisolierte Ende und die Kontaktzunge miteinander verlötet. Eine solche Art der elektrischen Verbindung zwischen der Kontaktfeder und dem Hochspannungskabel ist in der bereits genannten DE-A-2839369 beschrieben.Another and at the same time the starting point for the present invention connecting plug is characterized in that this plug has an inflexible piece of insulating material, on which the flexible Material formed shield cap is attached. The piece of insulating material is further characterized in that it has a receptacle for the contact spring and a molded connection piece. After the connection cap is connected to the piece of insulating material and the contact spring has been inserted into the piece of insulating material, contact is made with the contact spring. To do this, the high-voltage cable is cut to the desired size and one end is stripped. The stripped end is inserted into the connector. At the end of the connecting piece there is an opening which slightly exceeds the diameter of the stripped end of the high-voltage cable. As soon as the high-voltage cable in the connection piece has reached its end position, the stripped end emerges from the opening mentioned above. The parts of the contact spring which conduct the electrical current are designed such that at least one contact tongue is arranged in the immediate vicinity of the opening from which the stripped end of the high-voltage cable emerges. To contact the contact spring and high-voltage cable, the stripped end and the contact tongue are soldered together. Such a type of electrical connection between the contact spring and the high-voltage cable is described in the aforementioned DE-A-2839369.
Bei dieser Art von Anschlußsteckern wird als nachteilig angesehen, daß das blanke Drahtende mit der Kontaktzunge zur Herstellung einer elektrisch leitenden Verbindung verlötet werden muß. Dies vor allem deshalb, weil das je nach Ausbildung der Abdeckkappe und des Isolierstücks eine sehr präzise und daher aufwendige Lötung erfordert.This type of connector is considered disadvantageous in that the bare wire end must be soldered to the contact tongue in order to produce an electrically conductive connection. This is mainly because, depending on the design of the cover cap and the insulating piece, this requires a very precise and therefore complex soldering.
Daher liegt der Erfindung die Aufgabe zugrunde, einen Anschlußstecker für Hochspannungsanschlüsse von Bildröhren zu schaffen, der allein durch Einschieben des Hochspannungskabels in den Anschlußstecker eine schnelle und hochspannungssichere Kontaktierung von Hochspannungskabel und Kontakfeder ermöglicht.Therefore, the invention has for its object to provide a connector for high-voltage connections of picture tubes that a quick just by inserting the high-voltage cable into the connector and high-voltage-safe contacting of high-voltage cable and contact spring.
Diese Aufgabe wird durch die in den Ansprüchen 1 und 2 angebenen Merkmale gelöst.This object is achieved by the features specified in claims 1 and 2.
Den Unteransprüchen können vorteilhafte Ausbildungen entnommen werden. Die erfindungsgemäße Lösung ist auch deshalb besonders vorteilhaft, weil sich dadurch der Herstellungsprozeß weitgehend automatisieren läßt.Advantageous designs can be found in the subclaims. The solution according to the invention is also particularly advantageous because it largely automates the manufacturing process.
Außerdem ist es bei der standardisierten Steckerverbindung möglich, die Anschlußstecker erst dann anzuschließen, wenn die Kontaktierung der Bildröhre ansteht. Hierdurch wird es möglich, die Schaltungsplatinen unabhängig von den Vorgaben für die Ausgestaltung der Kontaktfedern zu produzieren, denn der spezielle Auschlußstecker bzw. die spezielle Kontaktfeder läßt sich nach der Erfindung erst unmittelbar vor der Verbindung des Steckers mit der Bildröhre ausführen.In addition, with the standardized plug connection, it is possible to connect the connector plugs only when the picture tube is in contact. This makes it possible to produce the circuit boards independently of the specifications for the design of the contact springs, because the special exclusion plug or the special contact spring can be carried out according to the invention only immediately before the connector is connected to the picture tube.
Ganz besonders vorteilhaft ist es, wenn die Kontaktierung von Kontaktfeder und Hochspannungskabel mittels eines Leitgummis erfolgt. Durch diese Ausbildung kann sogar darauf verzichtet werden, das eine Ende des Hochspannungskabels mit einem Stecker zu versehen.It is particularly advantageous if the contacting of the contact spring and high-voltage cable is carried out by means of a conductive rubber. With this design it is even possible to dispense with providing one end of the high-voltage cable with a plug.
Wird gemäß Anspruch 4 die Zugentlastung für das Hochspannungskabel so ausgebildet, daß sie das Hochspannungskabel zugentlastet sobald das Hochspannungskabel seine Endposition im Anschlußstutzen gefunden hat, wird die Fertigung von Anschlußsteckern für Bildröhren weiter vereinfacht.If the strain relief for the high-voltage cable is designed in such a way that it relieves the high-voltage cable as soon as the high-voltage cable has found its end position in the connecting piece, the manufacture of connecting plugs for picture tubes is further simplified.
Es zeigen:
- Figur 1
- einen Anschlußstecker im Schnitt; und
- Figur 2
- einen weiteren Stecker im Schnitt.
- Figure 1
- a connector in section; and
- Figure 2
- another connector in the cut.
Die Erfindung soll nun anhand der beiden Figuren näher erläutert werden.The invention will now be explained in more detail with reference to the two figures.
Der in Figur 1 gezeigte Anschlußstecker 10 wird im wesentlichen von dem Isolierstoffstück 11 und der mit diesem verbundenen aus flexiblem Material gebildeten Abschirmkappe 12 gebildet. Die in etwa eine konisch geformte Außenkontur aufweisende Abschirmkappe 12, welche in der Mitte eine Öffnung aufweist, ist dazu in eine der Abschirmkappenkontur entsprechende Vertiefung 13 des Isolierstoffstücks 11 eingesetzt. Die Öffnung der Abschirmkappe 12 wird dabei von dem Rohrstück 14 des Isolierstoffstücks 11 ausgefüllt. In das Rohrstück 14, welches das eine Ende des ins Innere des Isolierstoffstücks verlaufenden Stutzens 15 ist, ist die vollständig aus Metall gebildete Kontaktfeder 16 eingesetzt und mittels der an der Kontaktfeder 16 ausgebildeten Haken 17 an der Innenwandung des Stutzens 15 verrastet. Es wird darauf hingewiesen, daß die Formgebung der Kontaktfeder 16 in dem Bereich, welcher der Bildröhre zu- und dem Isolierstoffstück 11 abgewandt ist, gleichgültig ist.The
Die Kontaktfeder, welche im vorliegenden Ausführungsbeispiel im wesentlichen aus vier Federelementen 18 gebildet ist, weist außerdem noch eine Kontaktlasche 19 auf, deren Verlauf dem des Stutzens 15 folgt. Das den Federelementen 18 abgewandte Ende der Kontaktlasche 19 ist mit einer kreisrunden Öffnung 20 versehen, die beiderseitig von einem Kragen 21 umrandet ist.The contact spring, which in the present embodiment consists essentially of four
In dem Bereich, in welchem der Stutzen 15 im Inneren des Isolierstoffstücks 11 endet, schließt etwa rechtwinklig zum Verlauf des Stutzens 15 ein rohrförmig ausgebildeter Anschlußstutzen 22 an. Der Mündungsbereich 23 des Anschlußstutzens 22, also der Bereich, in welchem der Kanal 24 des Anschlußstutzens 22 in den Stutzen 15 übergeht, ist konisch ausgebildet.In the area in which the connecting
Die Öffnung 20 in der Kontaktlasche 19 der in das Isolierstoffstück 11 eingesetzten Kontaktfeder 16 ist so angeordnet, daß eine durch die Öffnung 20 gelegte Mittellinie genau mit der durch den Kanal 24 gelegten Mittellinie zusammenfällt. Diese Anordnung gewährleistet, daß sich, wenn ein mit einem Stecker 25 versehenes Hochspannungskabel 26 in Pfeilrichtung P in den Anschlußstutzen 22 eingeschoben wird, die runde, einen Durchmesser der Öffnung knapp unterschreitenden Spitze 27 des Steckers 25 in die Öffnung 20 einschiebt und dabei gleichzeitig die Kontaktfeder 16 mit der Hochspannungsquelle (nicht dargestellt) elektrisch leitend verbindet.The opening 20 in the contact tab 19 of the
Ergänzend zu Figur 1 sei ausgeführt, daß in dieser Figur auf eine Darstellung der Zugentlastung aus Gründen der Übersichtlichkeit verzichtet wurde. Da außerdem die Öffnung in der Abschirmkappe 12 so ausgebildet ist, daß ihr hochstehender Rand 28 eng an dem Außenmantel des Rohrstücks 14 anliegt, kann auf eine gesonderte Verbindung von Abschirmkappe 12 und Isolierstoffstück 11 verzichtet werden. Ferner sei darauf hingewiesen, daß der Einschnitt 29 im Isolierstoffstück 11 der Lagerung der Kontaktlasche 19 im Isolierstoffstück 11 dient und weiterhin ein Einschieben des Steckers 26 in die Öffnung 20 erleichtert.In addition to FIG. 1, it should be stated that in this figure the strain relief is not shown for reasons of clarity. In addition, since the opening in the
Der in Figur 2 dargestellte Anschlußstecker 10 unterscheidet sich von dem in Figur 1 gezeigten Stecker nur geringfügig. Daher können auch in Figur 2 die in Figur 1 verwendeten Bezugszeichen verwendet werden, sofern die in Figur 2 verwendeten Bauteile bzw. deren Funktionen im Vergleich zu Figur 1 gleich sind.The
Im Unterschied zu Figur 1 hat die Kontaktfeder 16 keine Kontaktlasche 19. Stattdessen weist die Kontaktfeder 16 in Figur 2 ein kurzes Kontaktschwert 30 auf. Dieses Kontaktschwert 30 ist in den im Inneren des Stutzens 15 eingesetzten Leitgummi 31 eingestochen. Wird nun durch den Kanal 24 das abisolierte Ende 32 des Hochspannungskabels 25 in Pfeilrichtung P eingeschoben, so sticht dieses Ende 32 gleichfalls in den Leitgummi 31 ein sobald das Hochspannungskabel 25 seine Endposition im Kanal 24 erreicht hat. Dadurch, daß das Kontaktschwert 30 und das abisolierte Ende 32 in den Leitgummi 31 einstechen, wird die Kontaktfeder 16 mit der Hochspannungsquelle elektrisch leitend verbunden.In contrast to FIG. 1, the
Die Zugentlastung und die Hochspannungssicherung ist derart ausgeführt, daß das von dem Stutzen 15 abgewandte Ende des Anschlußstutzens 22 in Längsrichtung vierfach geschlitzt ist. Die stehengebliebenen Zungen 33 weisen auf ihrer zum Inneren des Kanals 24 weisenden Seite Vorsprünge 34 auf, die in Richtung zum Mündungsbereich 23 auslaufen.The strain relief and the high-voltage fuse is designed in such a way that the end of the connecting
Wird nun das Hochspannungskabel 25 in den Anschlußstutzen 22 eingeschoben, weichen die Zungen 33 in Pfeilrichtung F1 und F2 aus. Sobald das Hochspannungskabel 25 seine Endposition im Kanal 24 erreicht hat, wird der vorher auf dem Hochspannungskabel 25 aufgefädelte Verschluß 35 über das Ende des Anschlußstutzens 22 geschoben. Hierbei werden die Vorsprünge 34 in die Isolierung 36 des Hochspannungskabels 25 eingedrückt. Hat der Verschluß 35 seine Endposition auf dem Anschlußstutzen erreicht, verrastet der Verschluß 35 mit dem Anschlußstutzen 22. Auf eine gesonderte Darstellung der Teile, die ein Verrasten des Verschlußes 35 mit dem Anschlußstutzen 22 ermöglichen, wurde aus Gründen der Übersichtlichkeit verzichtet. Nachdem der Verschluß 35 auf dem Anschlußstutzen 22 verrastet ist, sind die Zugentlastung und die Hochspannungssicherheit erreicht.If the high-
Claims (4)
- High-voltage connection for picture tubes,
having a flexible screening cap (12) which has an opening in the centre,
having an inflexible insulation-material piece (11) which has a tubular piece (14) which fills the opening in the screening cap (12) and which is the end of a duct (15) extending in the insulating-material piece (11),
having a contact spring (16) which is inserted in the tubular piece (14), and
having a high-voltage cable (25) which is passed through a tubular channel (24) in-the insulating-material piece (11) and which is connected in an electrically conducting manner to the contact spring (16),
characterized in that
the end of the high-voltage cable (25) which is pushed into the channel (24) is provided with a plug (26) having a tip (27), in that the contact spring (16) has a lug (19) whose end opposite the contact spring (16) is provided with an opening (20) and whose path follows the channel (15), a centre line routed through the opening (20) coinciding with the centre line routed through the tubular duct (24), and in that, if a high-voltage cable (25) provided with a plug (26) is pushed into the tubular duct (24), the tip (27) of the plug (26) pushes itself into the opening (20) and, in doing so, simultaneously connects the contact spring (16) in an electrically conducting manner to the high-voltage cable (15). - High-voltage connection for picture tubes,
having a flexible screening cap (12) which has an opening in the centre,
having an inflexible insulating-material piece (11) which has a tubular piece (14) which fills the opening in the screening cap (12) and which is the end of a duct (15) extending in the insulating-material piece (11),
having a contact spring (16) which is inserted in the tubular piece (14), and
having a high-voltage cable (25) with stripped end (32), which high-voltage cable (25) is passed through a tubular duct (24) in the insulating-material piece (11) and which stripped end (32) is connected in an electrically conducting manner to the contact spring (16), characterized in that a conducting rubber (31) is inserted in the duct (15),
in that a contact blade (30) which is connected to the contact spring (16) is plunged into the conducting rubber (31), and
in that the tubular duct (24) and the duct (15) are so arranged that the stripped end (32) of the high-voltage cable (25) is plunged into the conducting rubber (31) as soon as the high-voltage cable (25) has assumed its end position in the tubular duct (24). - High-voltage connection according to Claim 1 or Claim 2, characterized in that, if the high-voltage cable (25) has assumed its final position in the tubular duct (24), the end, opposite the duct (15), of a connecting tube (22) forming the tubular duct (24) is provided with a closure (35) which can be pushed onto the outside surface of the connecting tube (22), and the inside surface of the closure (35), in the state in which the latter is pushed onto the connecting tube (22), presses at least a part of the inside wall of the connecting tube (22) into the insulation (36) of the high-voltage cable (25).
- High-voltage connection according to Claim 3, characterized in that the end, opposite the duct (15), of the connecting tube (22) is provided with slots running in the direction of the high-voltage cable (25) and in that the tongues (33) formed by the slots have projections (34) on the sides pointing towards the interior of the tubular duct (24).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9111382U | 1991-09-13 | ||
DE9111382U DE9111382U1 (en) | 1991-09-13 | 1991-09-13 | High voltage connection |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0531690A1 EP0531690A1 (en) | 1993-03-17 |
EP0531690B1 true EP0531690B1 (en) | 1994-10-19 |
Family
ID=6871226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92112913A Expired - Lifetime EP0531690B1 (en) | 1991-09-13 | 1992-07-29 | High voltage connection |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0531690B1 (en) |
JP (1) | JPH05205801A (en) |
KR (1) | KR930007010A (en) |
AT (1) | ATE113141T1 (en) |
DE (2) | DE9111382U1 (en) |
ES (1) | ES2065735T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4412291A1 (en) * | 1994-04-09 | 1995-10-12 | Nokia Deutschland Gmbh | Strain relief |
EP1014418A1 (en) * | 1998-12-23 | 2000-06-28 | Eldor Corporation S.p.A. | Electrical connection device for a cathode ray tube power supply and method manufacturing the same |
DE29912101U1 (en) * | 1999-07-15 | 1999-09-02 | Sprenger, Rudolf, 90425 Nürnberg | High voltage connection for picture tubes |
DE102006018787A1 (en) * | 2006-04-20 | 2007-11-15 | Bjb Gmbh & Co.Kg | Electrical connection element |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2839369A1 (en) * | 1978-09-09 | 1980-03-27 | Huengerle Kg Elektro App Fab | EHT cap for TV CRT - has bleeder resistor in shaped element between contact and normal potential |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB578788A (en) * | 1943-06-18 | 1946-07-11 | Cinch Mfg Corp | Improvements in and relating to electrical contact sockets |
US4002400A (en) * | 1975-08-01 | 1977-01-11 | E. I. Du Pont De Nemours And Company | Electrical connector |
JPS57162954A (en) * | 1981-03-31 | 1982-10-06 | Mitsui Haitetsuku:Kk | Laminated core |
US4720273A (en) * | 1986-05-06 | 1988-01-19 | Thole Thomas V | Connector assembly for anode socket of cathode ray tube |
DE8702252U1 (en) * | 1987-02-13 | 1987-06-25 | Roederstein Spezialfabriken für Bauelemente der Elektronik und Kondensatoren der Starkstromtechnik GmbH, 8300 Landshut | High voltage component |
DE3902622C2 (en) * | 1989-01-30 | 1998-01-29 | Jotha Engeneering Gmbh | High-voltage connector for a picture tube with a connecting piece for receiving the high-voltage cable |
-
1991
- 1991-09-13 DE DE9111382U patent/DE9111382U1/en not_active Expired - Lifetime
-
1992
- 1992-07-29 EP EP92112913A patent/EP0531690B1/en not_active Expired - Lifetime
- 1992-07-29 DE DE59200654T patent/DE59200654D1/en not_active Expired - Fee Related
- 1992-07-29 ES ES92112913T patent/ES2065735T3/en not_active Expired - Lifetime
- 1992-07-29 AT AT92112913T patent/ATE113141T1/en not_active IP Right Cessation
- 1992-09-09 KR KR1019920016429A patent/KR930007010A/en not_active Application Discontinuation
- 1992-09-14 JP JP4245149A patent/JPH05205801A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2839369A1 (en) * | 1978-09-09 | 1980-03-27 | Huengerle Kg Elektro App Fab | EHT cap for TV CRT - has bleeder resistor in shaped element between contact and normal potential |
Also Published As
Publication number | Publication date |
---|---|
ES2065735T3 (en) | 1995-02-16 |
DE59200654D1 (en) | 1994-11-24 |
JPH05205801A (en) | 1993-08-13 |
EP0531690A1 (en) | 1993-03-17 |
DE9111382U1 (en) | 1991-12-12 |
KR930007010A (en) | 1993-04-22 |
ATE113141T1 (en) | 1994-11-15 |
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