HIGH-VOLTAGE METAL VAPOUR LAMP

HIGH-VOLTAGE METAL VAPOUR LAMP

  • CN 85,103,975 A
  • Filed: 05/23/1985
  • Published: 11/19/1986
  • Est. Priority Date: 05/23/1985
  • Status: Abandoned Application
First Claim
Patent Images

1. , high-voltage metal vapour lamp, have outer tube, be contained in luminous tube of making of light transparent ceramic in the outer tube and the fuse of in above-mentioned outer tube, connecting with luminous tube, it is characterized by, above-mentioned fuse has the fusing feature that satisfies following formula, and when discharge lamp was lighted under rated condition, the current density that flows through in the fuse was at 23.9 peace/millimeters 2Below. logT 1

  • AlogI+B A=-1.02×

    10 -2(D 2t)-0.885 B=2.64×

    10 -2(D 2t)+1.01 T 1;

    the needed time of fuse failure (second) I;

    the blowout current of fuse (peace)D;

    the internal diameter of luminous tube (millimeter)T;

    the wall thickness of luminous tube (millimeter)

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