DE106155C - - Google Patents

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Publication number
DE106155C
DE106155C DENDAT106155D DE106155DA DE106155C DE 106155 C DE106155 C DE 106155C DE NDAT106155 D DENDAT106155 D DE NDAT106155D DE 106155D A DE106155D A DE 106155DA DE 106155 C DE106155 C DE 106155C
Authority
DE
Germany
Prior art keywords
plates
resistance
brackets
another
frame
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.)
Active
Application number
DENDAT106155D
Other languages
German (de)
Publication of DE106155C publication Critical patent/DE106155C/de
Active legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C3/00Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
    • H01C3/10Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
    • H01C3/12Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration lying in one plane

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Gegenstand vorliegender Erfindung ist ein Verfahren zur Herstellung von elektrischen Widerstandsapparaten, bei welchen aus Platten bestehende Widerstände Verwendung finden. Diese Platten, die aus Nickelin oder einem anderen geeigneten Stoff bestehen und durch Einschnitte wechselseitig von beiden Seiten in einen zickzackförmigen Streifen umgewandelt werden, sind an sich bekannt (vergl. amerikanische Patentschrift 459794)·The present invention is a process for the production of electrical Resistance apparatus in which resistors made of plates are used. These plates, which are made of nickel in or another suitable material and through Incisions alternately converted from both sides into a zigzag strip are known per se (see American patent specification 459794)

Die vorliegende Erfindung betrifft nun ein Verfahren zur Verbindung dieser Widerstandsplatten mit den Stromschlufsstiften, an welchen die Stromleitungen angeschlossen werden. Der Widerstandsapparat besteht aus auf einander gelegten Platten, die unter Zwischenlage von Isolirplatten in einen Rahmen eingespannt werden. In der Zeichnung bedeutet Fig. 1 einen Längsschnitt, Fig. 2 eine Seitenansicht, während Fig. 3, 4 und 5 die einzelnen Elemente des Widerstandsapparates veranschaulichen.The present invention now relates to a method of connecting these resistor plates with the power supply pins to which the power lines are connected. Of the Resistance apparatus consists of plates placed on top of one another, with Isolirplatten be clamped in a frame. In the drawing, Fig. 1 means one Longitudinal section, FIG. 2 is a side view, while FIGS. 3, 4 and 5 show the individual elements of the resistance apparatus.

Die Widerstandsplatten w (Fig. 3) werden unter Zwischenlage von mit Asbest umhüllten Eisenblechplatten (Fig. 4 und 5) in einem Rahmen auf einander gelegt. Die überstehenden Enden der Asbeststreifen werden zwischen die beiden Lappen eines Bügels c gesteckt. Die Platten liegen so auf einander, dafs die aus verzinntem Kupfer- oder Messingblech bestehenden Bügel c auf den Widerstandsplatten liegen. In den Oesen der Bügel c werden die Anschlufsstifte oder -Drähte eingelöthet. Der Rahmen besteht aus zwei Eisenplatten k k\ welche durch seitliche Schrauben ff1 zusammengeprefst werden. Zwischen die Eisenplatten und die Widerstandsplatten wird zweckmäfsig noch eine etwas dickere Asbestschicht gelegt. An den Enden der Platten, an denen eine besonders innige Berührung derselben erforderlich ist, werden in Aussparungen der Platten k kl Druckschienen s s1 eingelegt, welche durch Stiftschrauben η η1 stark gegen die Widerstandsplatten geprefst werden. Um nun das ganze System in gute elektrische Verbindung zu bringen, wird nach dem Zusammenbau des ganzen Apparates ein kräftiger elektrischer Strom hindurchgeschickt, welcher wesentlich stärker ist als derjenige, für den die Vorrichtung bestimmt ist. Durch die dadurch erzeugte Wärme wird die Zinnschicht an den Bügeln c geschmolzen und die Widerstandsplatten, deren Enden oxydfrei sein müssen, mit den Bügeln verlöthet. Von den Bügeln führen die Anschlufsdrähte zu den Stromschlufsknöpfen eines Umschalters, welche auf der Isolirplatte, wie in Fig. 2 ersichtlich ist, angeordnet sein können.The resistance plates w (Fig. 3) are placed on top of one another in a frame with asbestos-coated sheet iron plates (Fig. 4 and 5) in between. The protruding ends of the asbestos strips are inserted between the two tabs of a bracket c. The plates lie on top of one another in such a way that the brackets c, made of tin-plated copper or brass sheet, lie on the resistance plates. The connecting pins or wires are soldered into the eyelets of the bracket c. The frame consists of two iron plates kk \ which are pressed together by lateral screws ff 1. A somewhat thicker layer of asbestos is expediently placed between the iron plates and the resistance plates. At the ends of the plates where particularly intimate contact is required, pressure rails ss 1 are inserted into recesses in the plates kk l , which are pressed strongly against the resistance plates by studs η η 1. In order to bring the whole system into a good electrical connection, after the assembly of the whole apparatus a powerful electric current is sent through which is considerably stronger than that for which the device is intended. The heat generated thereby melts the tin layer on the bracket c and the resistance plates, the ends of which must be oxide-free, are soldered to the brackets. The connecting wires lead from the brackets to the power supply buttons of a changeover switch, which can be arranged on the insulating plate, as can be seen in FIG.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Verbindung der Leiter in Widerstandsapparaten, bei denen abwechselnd auf einander gelegte Widerstands- und Isolirplatten in einen Rahmen eingespannt sind, dadurch gekennzeichnet, dafs zwischen die Widerstandsplatten (w) mit den Anschlufsstiften oder -Drähten zu verbindende Metallbügel (c) eingelegt werden, welche die Isolirplatten umfassen und durch besondere, an den Enden der Platten ,wirkende Druckschrauben (n nl) fest mit den Widerstandsplatten zusammengeprefst werden, worauf durch einen übermäfsig starken elektrischen Strom eine Verlöthung der Bügel (c) und der Platten (rv) bewirkt wird.Method for connecting the conductors in resistance apparatus in which resistance and insulating plates alternately placed on top of one another are clamped in a frame, characterized in that metal brackets (c) to be connected to the connecting pins or wires are inserted between the resistance plates (w) , which enclose the insulating plates and are firmly pressed together with the resistance plates by means of special pressure screws (nn l ) acting at the ends of the plates, whereupon the brackets (c) and the plates (rv) are soldered by an excessively strong electric current. Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.
DENDAT106155D Active DE106155C (en)

Publications (1)

Publication Number Publication Date
DE106155C true DE106155C (en)

Family

ID=376358

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0188733A1 (en) * 1984-12-24 1986-07-30 General Electric Company Compact resistor assembly
DE3708436A1 (en) * 1987-03-16 1988-09-29 Bosch Gmbh Robert ELECTRICAL RESISTANCE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0188733A1 (en) * 1984-12-24 1986-07-30 General Electric Company Compact resistor assembly
DE3708436A1 (en) * 1987-03-16 1988-09-29 Bosch Gmbh Robert ELECTRICAL RESISTANCE

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