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File:DoorBell 004.jpg

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Description
Deutsch: Bim-Bam-Gong einer Türglocke

Die hier beschriebenen Teile des Bim-Bam-Türgongs sind durch Bild-Notizen hervorgehoben:

  • Mitte: Elektromagnet
  • darunter: Anker mit Klöppeln
  • links und rechts: Tonstäbe

Funktion:

  1. Im stromlosen Zustand (im Bild gezeigt) ruht der untere Klöppel mit etwas Abstand zum unteren Tonstab. Der Klöppel wird von einer Feder in dieser Position gehalten.
  2. Wird Strom angelegt, so zieht der Elektromagnet den Anker mt den Klöppeln schnell nach oben. Der Anker schießt mit Schwung über die durch die magnetisch angestrebte Endlage hinaus und schlägt mit dem oberen Klöppel kurz am oberen (rechten) Tonstab an und fällt dann ein paar Millimeter zurück.
  3. Wird der Strom unterbrochen, so fällt der Anker nach unten, wird von der Feder gebremst, schlägt aber wegen des Schwunges der Bewegung noch mit dem unteren Klöppel am unteren (linken) Tonstab an und wird dann von der Feder wieder in die Ruhelage kurz über dem unteren Tonstab gehoben.
English: Ding-dong door chime.

It is composed of, as anotated in the image:

  • Middle: solenoid
  • below: armature with clappers
  • left and right: chime rods

Function:

  1. Without current applied the bell is as shown in the photograph. The clapper is hold by the spring with some distance to the lower chime rod.
  2. When you apply current, the solenoid lifts the armature and the upper clapper strikes against the upper (right) chime. As the solenoid is made to keep the armature just below the upper chime, the clapper falls back a tiny bit and keeps in this position as long as current is applied to the solenoid.
  3. When there is no more current, the armature falls down, the spring gets mechanical contact to its counterpart and decreases speed of the armature, but the armature still moves on and let the lower clapper strikes the lower (left) chime rod. Then the armature is lifted a tiny bit by the spring and returns to initial position.
The label reads "Grothe" (brand name/manufacturer) and, in German, "nicht ölen" (do not oil).
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Author HNH
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Other versions DoorBell_005.jpg; DoorBell_006.ogg


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