EP0381996A2 - Ion generating device - Google Patents

Ion generating device Download PDF

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Publication number
EP0381996A2
EP0381996A2 EP90101387A EP90101387A EP0381996A2 EP 0381996 A2 EP0381996 A2 EP 0381996A2 EP 90101387 A EP90101387 A EP 90101387A EP 90101387 A EP90101387 A EP 90101387A EP 0381996 A2 EP0381996 A2 EP 0381996A2
Authority
EP
European Patent Office
Prior art keywords
heating wire
screw
current conductor
shoe
section
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.)
Granted
Application number
EP90101387A
Other languages
German (de)
French (fr)
Other versions
EP0381996A3 (en
EP0381996B1 (en
Inventor
Anton Kunz
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.)
OC Oerlikon Balzers AG
Original Assignee
Balzers AG
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 Balzers AG filed Critical Balzers AG
Publication of EP0381996A2 publication Critical patent/EP0381996A2/en
Publication of EP0381996A3 publication Critical patent/EP0381996A3/en
Application granted granted Critical
Publication of EP0381996B1 publication Critical patent/EP0381996B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5058—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a ball

Definitions

  • the invention relates to a device for connecting a heating wire for generating an ion current with a connecting current conductor. If, for example, an ion current of up to 300 amperes is generated with the heating wire in a device for vacuum coating, heating to a very high temperature of approximately 2500 ° C. occurs. At such high temperatures, the previously usual types of fastening by means of a clamping screw are no longer reliable if the screw and the threaded bore are in the highly heated area.
  • Other proposed types of connection such as a cone clamping device that loosens when heated, are not suitable for preventing the connection from becoming unusable after a certain time or for disturbances in the current transfer.
  • the object of the invention was therefore to arrange the screw used for clamping a little further away from the highly heated area and at a location which can be cooled better, and moreover to concentrate the contact force which can be achieved with the screw on a small area.
  • the device has the features of claim 1.
  • the clamping element which is preferably designed as a ball, is pressed against a shoe which encloses the end of the heating wire. Flawless power transmission is guaranteed.
  • the device 1 shown in FIG. 1 contains a separate space 2, in which an ion source 3 is arranged in the form of a spiral, by means of which an ion current of up to 300 amperes is generated.
  • the heating wire 3 forming the ion source has two straight ends 4 and 5. These are each to be connected to a connecting current conductor 6 and 7.
  • the connection of the same to one end of the heating wire 3 is of identical design at both ends and is therefore shown only once in FIG. 1 and enlarged in part in FIG. 2.
  • the straight end 5 of the heating wire 3 is enclosed by a shoe 8, the lower half of which has a longitudinal slot 9.
  • the connecting current conductor 7 has an eccentric axial bore 10, into which the shoe 8 with the straight heating wire end 5 arranged therein extends. Parallel to the bore 10, a further bore 11 extends into the connecting current conductor 7, which opens into a transverse bore 12 at a distance from the upper end and which is formed in a straight line continuation of the bore 11 below the transverse bore 12 as a smaller threaded bore 13.
  • a clamping element 14 in the form of a ball which lies against the shoe 8.
  • a screw 15 has an upper cylindrical section 16, which is located within the bore 11 and an adjoining conical section 17 and then a threaded section 18 with which the screw 15 is screwed into the threaded bore 13, so that when the screw is tightened the conical section 17 of the screw is pressed against the ball 14, which in turn is pressed against the shoe 8.
  • the screw is tightened, a large clamping force is generated, the screw being supported below the ball in the threaded bore 13 and above it with the cylindrical section 16 in the bore 11.
  • the screw 15 is located close to a channel 20 formed within the device with a cooling medium contained therein, so that the clamping effect is reliably retained even when the heating is high.

Abstract

For connecting a heating wire (3) for generating an ion current to a current lead (7), the straight end (5), enclosed by a shoe (8), of the heating wire (3) extends into an axial hole (10) on the end of the current lead (7) and is clamped firmly by means of a clamping element (14), in the form of a ball, pressed against the shoe, the conical section (17) of a screw (15) being pressed against the ball, which screw is screwed into a threaded hole (13) in the current lead (7), which hole (13) is parallel to the hole (10) holding the shoe (8). <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zur Verbindung eines Heizdrahts zur Erzeugung eines Ionen­stroms mit einem Anschlussstromleiter. Wenn beispiels­weise in einer Einrichtung zur Vakuumbeschichtung ein Ionenstrom bis 300 Ampere mit dem Heizdraht erzeugt wird, tritt eine Erhitzung auf eine sehr hohe Temperatur von ca. 2500oC auf. Bei derart hohen Temperaturen sind die bisher üblichen Befestigungsarten mittels einer Klemmschraube nicht mehr zuverlässig, wenn die Schraube und die Gewindebohrung in dem hocherhitzten Bereich liegen. Auch andere vorgeschlagene Verbindungs­arten wie eine Konusklemmeinrichtung, die sich bei Erhitzung lockert, sind nicht geeignet, um das Unbrauch­barwerden der Verbindung nach einer gewissen Zeit oder Störungen im Stromübergang zu verhindern.The invention relates to a device for connecting a heating wire for generating an ion current with a connecting current conductor. If, for example, an ion current of up to 300 amperes is generated with the heating wire in a device for vacuum coating, heating to a very high temperature of approximately 2500 ° C. occurs. At such high temperatures, the previously usual types of fastening by means of a clamping screw are no longer reliable if the screw and the threaded bore are in the highly heated area. Other proposed types of connection, such as a cone clamping device that loosens when heated, are not suitable for preventing the connection from becoming unusable after a certain time or for disturbances in the current transfer.

Die Aufgabe der Erfindung bestand daher darin, die zum Festklemmen dienende Schraube von dem hoch erhitzten Bereich etwas weiter weg und an einer Stelle anzuordnen, die besser gekühlt werden kann, und darüber hinaus die mit der Schraube bewirkbare Anspresskraft auf eine kleine Fläche zu konzentrieren. Zur Lösung dieser Aufgabe weist die Vorrichtung die Merkmale gemäss Anspruch 1 auf. Das vorzugsweise als Kugel ausgebildete Klemmelement ist dabei gegen einen das Ende des Heizdrahts umschliessenden Schuh angedrückt. Eine einwandfreie Stromübertragung ist gewährleistet.The object of the invention was therefore to arrange the screw used for clamping a little further away from the highly heated area and at a location which can be cooled better, and moreover to concentrate the contact force which can be achieved with the screw on a small area. To achieve this object, the device has the features of claim 1. The clamping element, which is preferably designed as a ball, is pressed against a shoe which encloses the end of the heating wire. Flawless power transmission is guaranteed.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen näher erläutert. Es zeigen:

  • Fig. 1 ausschnittweise einen Vertikalschnitt durch eine einen Heizdraht zur Erzeugung eines Ionen­stroms enthaltende Einrichtung;
  • Fig. 2 die in Fig. 1 dargestellte Verbindung des Heizdrahts mit einem Anschlussstromleiter in grösse­rem Massstab.
An embodiment of the invention is explained below with reference to the drawings. Show it:
  • 1 shows a detail of a vertical section through a device containing a heating wire for generating an ion current;
  • Fig. 2 shows the connection of the heating wire shown in Fig. 1 with a connecting current conductor on a larger scale.

Die in Fig. 1 dargestellte Einrichtung 1 enthält einen abgetrennten Raum 2, in der eine Ionenquelle 3 in Form einer Wendel angeordnet ist, mittels der ein Ionenstrom bis 300 Ampere erzeugt wird. Der die Ionenquelle bildende Heizdraht 3 weist zwei geradlinige Enden 4 und 5 auf. Diese sind je mit einem Anschlussstrom­leiter 6 und 7 zu verbinden. Die Verbindung derselben mit je einem Ende des Heizdrahts 3 ist bei beiden Enden gleich ausgebildet und daher in Fig. 1 nur einmal und in Fig. 2 ausschnittweise vergrössert dargestellt.The device 1 shown in FIG. 1 contains a separate space 2, in which an ion source 3 is arranged in the form of a spiral, by means of which an ion current of up to 300 amperes is generated. The heating wire 3 forming the ion source has two straight ends 4 and 5. These are each to be connected to a connecting current conductor 6 and 7. The connection of the same to one end of the heating wire 3 is of identical design at both ends and is therefore shown only once in FIG. 1 and enlarged in part in FIG. 2.

Das geradlinige Ende 5 des Heizdrahts 3 ist von einem Schuh 8 umschlossen, dessen untere Hälfte einen Längsschlitz 9 aufweist. Der Anschlussstromleiter 7 weist eine aussermittig liegende axiale Bohrung 10 auf, in die sich der Schuh 8 mit dem darin angeord­neten geradlinigen Heizdrahtende 5 hineinerstreckt. Parallel zur Bohrung 10 erstreckt sich in den Anschluss­stromleiter 7 eine weitere Bohrung 11 hinein, die im Abstand vom oberen Ende in eine Querbohrung 12 mündet und die in geradliniger Fortsetzung der Bohrung 11 unterhalb der Querbohrung 12 als im Durchmesser kleinere Gewindebohrung 13 ausgebildet ist. In der bis zu der den Schuh 8 aufnehmenden Bohrung 10 sich erstreckenden Querbohrung 12 befindet sich ein Klemm­element 14 in Form einer Kugel, die gegen den Schuh 8 anliegt. Eine Schraube 15 weist einen oberen zylindri­schen Abschnitt 16 auf, der sich innerhalb der Bohrung 11 befindet sowie einen daran anschliessenden konischen Abschnitt 17 und anschliessend daran einen Gewindeab­schnitt 18, mit dem die Schraube 15 in die Gewindeboh­rung 13 eingeschraubt ist, so dass beim Festziehen der Schraube der konische Abschnitt 17 der Schraube gegen die Kugel 14 angedrückt ist, die ihrerseits gegen den Schuh 8 angedrückt ist. Beim Festziehen der Schraube wird eine grosse Klemmkraft erzeugt, dabei ist die Schraube unterhalb der Kugel in der Gewindebohrung 13 und oberhalb derselben mit den zylin­drischen Abschnitt 16 in der Bohrung 11 abgestützt.The straight end 5 of the heating wire 3 is enclosed by a shoe 8, the lower half of which has a longitudinal slot 9. The connecting current conductor 7 has an eccentric axial bore 10, into which the shoe 8 with the straight heating wire end 5 arranged therein extends. Parallel to the bore 10, a further bore 11 extends into the connecting current conductor 7, which opens into a transverse bore 12 at a distance from the upper end and which is formed in a straight line continuation of the bore 11 below the transverse bore 12 as a smaller threaded bore 13. In the up to the transverse bore 12 extending into the bore 8 receiving the shoe 8, there is a clamping element 14 in the form of a ball which lies against the shoe 8. A screw 15 has an upper cylindrical section 16, which is located within the bore 11 and an adjoining conical section 17 and then a threaded section 18 with which the screw 15 is screwed into the threaded bore 13, so that when the screw is tightened the conical section 17 of the screw is pressed against the ball 14, which in turn is pressed against the shoe 8. When the screw is tightened, a large clamping force is generated, the screw being supported below the ball in the threaded bore 13 and above it with the cylindrical section 16 in the bore 11.

Die Schraube 15 befindet sich gemäss Fig. 1 nahe bei einem innerhalb der Einrichtung ausgebildeten Kanal 20 mit einem darin enthaltenen Kühlmedium, so dass auch bei hoher Erhitzung die Klemmwirkung sicher erhalten bleibt.According to FIG. 1, the screw 15 is located close to a channel 20 formed within the device with a cooling medium contained therein, so that the clamping effect is reliably retained even when the heating is high.

Claims (4)

1. Vorrichtung zur Verbindung eines Heizdrahts zur Erzeugung eines Ionenstroms mit einem Anschlussstrom­leiter, dadurch gekennzeichnet, dass das geradlinige Ende (4,5) des Heizdrahts (3) sich in eine axiale Bohrung (10) am Ende des Anschlussstromleiters (6,7) hineinerstreckt und in einer dazu parallelen Gewinde­bohrung (13) im Anschlussstromleiter (6,7) eine Schraube (15) mit einem konischen Abschnitt (17) eingeschraubt ist und dass in einer dazwischen befindlichen Ausnehmung (12) im Anschlussstromleiter ein Klemmelement (14) angeordnet ist, das durch den konischen Abschnitt (17) der Schraube (15) bei deren Festziehen gegen den Endabschnitt des Heizdrahts (3) angedrückt ist.1. Device for connecting a heating wire for generating an ion current with a connecting current conductor, characterized in that the straight end (4, 5) of the heating wire (3) extends into an axial bore (10) at the end of the connecting current conductor (6, 7) and a screw (15) with a conical section (17) is screwed into a parallel threaded bore (13) in the connecting current conductor (6, 7) and a clamping element (14) is arranged in a recess (12) in the connecting current conductor, which is pressed against the end section of the heating wire (3) by the conical section (17) of the screw (15) when it is tightened. 2. Vorrichtung nach Anspruch 1, dadurch gekenn­zeichnet, dass der Endabschnitt (4,5) des Heizdrahts (3) von einem im Klemmbereich längsgeschlitzten Schuh (8) umschlossen ist, gegen den das Klemmelement (14) angedrückt ist.2. Device according to claim 1, characterized in that the end section (4, 5) of the heating wire (3) is enclosed by a shoe (8) which is longitudinally slotted in the clamping area, against which the clamping element (14) is pressed. 3. Vorrichtung nach Anspruch 1, dadurch gekenn­zeichnet, dass das Klemmelement (14) als Kugel ausgebil­det ist.3. Device according to claim 1, characterized in that the clamping element (14) is designed as a ball. 4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schraube (15) den konischen Abschnitt (17) zwischen einem unteren Gewindeabschnitt (18) und einem oberen zylindrischen Abschnitt (16) aufweist und unterhalb wie oberhalb des Klemmelements (14) auf der diesem gegenüberliegenden Seite innerhalb des Anschlussstromleiters (6,7) abge­stützt ist.4. Device according to one of the preceding claims, characterized in that the screw (15) has the conical section (17) between a lower threaded section (18) and an upper cylindrical section (16) and below and above the clamping element (14) the side opposite this is supported within the connecting current conductor (6, 7).
EP90101387A 1989-02-10 1990-01-24 Ion generating device Expired - Lifetime EP0381996B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH489/89A CH677163A5 (en) 1989-02-10 1989-02-10
CH489/89 1989-02-10

Publications (3)

Publication Number Publication Date
EP0381996A2 true EP0381996A2 (en) 1990-08-16
EP0381996A3 EP0381996A3 (en) 1990-08-29
EP0381996B1 EP0381996B1 (en) 1994-07-27

Family

ID=4188183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101387A Expired - Lifetime EP0381996B1 (en) 1989-02-10 1990-01-24 Ion generating device

Country Status (6)

Country Link
US (1) US5013268A (en)
EP (1) EP0381996B1 (en)
JP (1) JP3048057B2 (en)
KR (1) KR900013669A (en)
CH (1) CH677163A5 (en)
DE (1) DE59006537D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1909360A1 (en) * 2006-10-10 2008-04-09 Seat, S.A. Current collector terminal in electric batteries

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5445543A (en) * 1995-01-30 1995-08-29 Williams; Paul R. Slip lug adaptor apparatus
US5769656A (en) * 1996-11-01 1998-06-23 Bamburg; David C. Wound wire terminal assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206031A5 (en) * 1972-10-05 1974-05-31 Pellet Bernard

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE615700C (en) * 1933-10-31 1935-07-10 Siemens Schuckertwerke Akt Ges Contact clamp for connecting electrical lines to installation devices
FR821473A (en) * 1936-05-09 1937-12-06 Siemens Ag Contact terminal for connecting electrical conductors to installation devices

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206031A5 (en) * 1972-10-05 1974-05-31 Pellet Bernard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1909360A1 (en) * 2006-10-10 2008-04-09 Seat, S.A. Current collector terminal in electric batteries

Also Published As

Publication number Publication date
EP0381996A3 (en) 1990-08-29
JP3048057B2 (en) 2000-06-05
US5013268A (en) 1991-05-07
KR900013669A (en) 1990-09-06
CH677163A5 (en) 1991-04-15
EP0381996B1 (en) 1994-07-27
JPH0355772A (en) 1991-03-11
DE59006537D1 (en) 1994-09-01

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