CH88283A - Process for the production of electrical resistance elements. - Google Patents

Process for the production of electrical resistance elements.

Info

Publication number
CH88283A
CH88283A CH88283DA CH88283A CH 88283 A CH88283 A CH 88283A CH 88283D A CH88283D A CH 88283DA CH 88283 A CH88283 A CH 88283A
Authority
CH
Switzerland
Prior art keywords
strips
production
resistance elements
electrical resistance
resistance
Prior art date
Application number
Other languages
German (de)
Inventor
Cie Aktiengesellschaft Boveri
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH88283A publication Critical patent/CH88283A/en

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/10Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base

Landscapes

  • Details Of Resistors (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Description

  

  verfahren zur Herstellung elektrischer Widerstandselemente.    Als Hauptgesichtspunkt kommen bei der  Beurteilung elektrischer     Drahtwiderstände     der Herstellungspreis, die Betriebssicherheit  und .das     Wärmeab,leitungsvermögen    in Frage.  Das Verfahren zur Herstellung elektrischer  Drahtwiderstände, welches den Gegenstand  vorliegender Erfindung bildet, ermöglicht,  Widerstandselemente zu bauen, welche hin  sichtlich der genannten Punkte den     weit-          gehendsten    Forderungen entsprechen.

   Um dies  zu erreichen, werden Streifen aus     elektrisch     isolierendem und hitzebeständigem Material  zu beiden Seiten an Widerstandsdraht an  gelegt und mit hitzebeständigem Klebstoffe  paarweise derart zusammengeklebt, dass  der Widerstandsdraht zwischen den Strei  fen eingeklemmt ist und mit denselben ein  Widerstandselement bildet, welches einzeln  oder in beliebiger Anzahl vereinigt als elek  trischer Widerstand dient.  



       Fig.    1 der Zeichnung stellt in Ansicht,       Fig.    2 in     Draufsicht    eine Einrichtung zur  Herstellung von Widerstandselementen nach  vorliegendem Verfahren in beispielsweiser  Ausführungsform dar;       Fig.    3 zeigt in Ansicht,     Fig.    4 in Drauf-    sieht ein einfaches Widerstandselement     mit_     zwei Streifen aus isolierendem Material,       Fig.    5 in Ansicht ein solches mit mehre  ren Streifen.  



  In     Fig.    1 ist mit     a    eine Platte bezeichnet,  auf welcher Stifte b befestigt sind. Der Wi  derstandsdraht c. beispielsweise aus     Kon-          stantan,    ist um diese Stifte gelegt.

       Zwischen     die Platte     a    und den Draht c werden Streifen  d, und     e,    aus isolierendem Material, beispiels  weise aus Asbest, eingeschoben und mit ent  sprechenden Streifen     d=    und     e_.    aus gleichem  Material, .die von der andern Seite auf den  Widerstandsdraht gelegt werden, mittelst  hitzebeständigem     Klebstoffe,    beispielsweise  Kunstharz,     zusammengeklebt.    Nach dem  Trocknen bildet der Draht c mit den Streifen  paaren d und e ein Widerstandselement,

   wel  ches in     Fig.    3 in Ansicht     und    in     Fig.        tvon     oben dargestellt, ist.  



  Anstatt durch zwei Streifenpaare kann  der Widerstandsdraht auch durch eine grö  ssere Anzahl derselben gehalten werden. In       Fig.    5 ist ein Widerstandselement dargestellt,  bei welchem beispielsweise     sieben    Streifen  paare zu diesem Zwecke verwendet sind.



  process for the production of electrical resistance elements. When assessing electrical wirewound resistors, the main points to consider are the manufacturing price, operational reliability and heat dissipation. The method for producing electrical wirewound resistors, which forms the subject of the present invention, enables resistance elements to be built which meet the most extensive requirements with regard to the points mentioned.

   To achieve this, strips of electrically insulating and heat-resistant material are placed on both sides of the resistance wire and glued together in pairs with heat-resistant adhesives in such a way that the resistance wire is clamped between the strips and forms a resistance element with them, which can be used individually or in any number united serves as an electrical resistance.



       FIG. 1 of the drawing shows a view, FIG. 2 shows a plan view of a device for producing resistance elements according to the present method in an exemplary embodiment; Fig. 3 shows in view, Fig. 4 in plan sees a simple resistance element with_ two strips of insulating material, Fig. 5 in view of one with several Ren strips.



  In Fig. 1, a plate denotes a plate on which pins b are attached. The resistance wire c. for example made of constantane, is placed around these pins.

       Between the plate a and the wire c, strips d, and e, made of insulating material, for example made of asbestos, inserted and with corresponding strips d = and e_. Made of the same material, which are placed on the resistance wire from the other side, glued together using heat-resistant adhesives, such as synthetic resin. After drying, the wire c and the strips pair d and e form a resistance element,

   Wel Ches shown in Fig. 3 in view and in Fig. t from above.



  Instead of two pairs of strips, the resistance wire can also be held by a larger number of them. In Fig. 5, a resistor element is shown in which, for example, seven pairs of strips are used for this purpose.

 

Claims (1)

PATEN TANSPRUCIX Verfahren zur Herstellung von elektri- schen Wider,#tandseleinenten, dadurch ge kennzeichnet, dass Streifen aus elektrisch iso lierendem und hitzebeständigem Material zu beiden Seiten an Widerstandsdraht ange legt- und mit hitzebeständigem Klebstoff paarweise derart zusammengeklebt werden, dass der Widerstandsdraht zwis.cheti den Strei fenpaaren aus isolierendem Material einge klemmt ist und mit denselben ein Wider standselement bildet, PATEN TANSPRUCIX Process for the production of electrical resistors, # tandseleinenten, characterized in that strips of electrically insulating and heat-resistant material are placed on both sides of the resistance wire and glued together in pairs with heat-resistant adhesive in such a way that the resistance wire between the pairs of strips of insulating material are clamped in and form a resistance element with them, welches einzeln oder in beliebiger Anzahl vereinigt als elektrischer Widerstand dient. which serves individually or combined in any number as an electrical resistor.
CH88283D 1919-12-16 1919-12-16 Process for the production of electrical resistance elements. CH88283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH88283T 1919-12-16

Publications (1)

Publication Number Publication Date
CH88283A true CH88283A (en) 1921-02-16

Family

ID=4345183

Family Applications (1)

Application Number Title Priority Date Filing Date
CH88283D CH88283A (en) 1919-12-16 1919-12-16 Process for the production of electrical resistance elements.

Country Status (1)

Country Link
CH (1) CH88283A (en)

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