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Neon Glow Lamp Is A Low Pressure Cold Cathode Glow Discharge Lamp

Jul 04, 2017

  Neon Glow Lamp is a low pressure cold cathode glow discharge lamp. Its structure and components provide a guarantee for normal glow discharge, where the working material provides the possibility to obtain the desired light color.

  Neon Glow Lamp by the lamp and high-voltage transformer components. The lamp tube consists of glass tube and electrode chamber. The electrode chamber is composed of an electrode, a mica sheet (or a porcelain ring) and an electrode lead, and the glass tube is filled with working gas, and the inner wall of the glass tube is coated with phosphor. High-voltage transformers are leak-proof transformers and electronic transformers, which are essential components for igniting neon tubes.

  Glass tube

  The main role of the glass tube is to fill the working gas, connecting the two electrodes and transmitting visible light three roles. Common neon glass tube with tube, powder tube and CPT three kinds.

  2. electrode

  Electrode is used to emit electrons and collect electrons and positive ions, Neon Glow Lamp the use of anti-ion bombardment, high melting point, easy to launch electrons of metal production.

  Mica sheet (or ring)

  The main role is to support the electrode, heat insulation and reduce the inner wall of the glass tube sputtering material. Support the electrode can not shift, do not loose and do not touch the glass tube; insulation can prevent the glass tube burst; reduce the inner wall of the glass tube sputtering material can extend the life of the lamp.

  4. Electrode lead

  Through which the electrode can be connected with the external circuit, need to choose a good conductivity and thermal expansion coefficient and glass similar to the material, Neon Glow Lamp the electrode lead with Du US silk production.

  5. Work gas

  Work gas is mostly inert gas, neon, nitrogen is the most commonly used working gas, neon filled into the tube made of red neon. Hydrogen and mercury composition of mercury and mercury mixture into the powder tube to produce other colors of neon.

  6 .. phosphor

  Glass tube wall coated with different varieties of phosphor can be easily mixed with hydrogen and mercury made of various colors of neon.

  High voltage transformer

  It is connected to the neon tube circuit in the steady flow device, which together with the lamp to form a complete set of Neon Glow Lamp. Glow discharge in electrical performance has the following characteristics: First, the need for a higher ignition voltage and lower operating voltage, and second, Neon Glow Lamp with a negative volt-ampere characteristic makes the discharge can not be stable. The use of leakage-type high-voltage transformer or electronic step-up transformer can provide up to 15V for the lamp voltage to make the ignition, the gas will begin to discharge, the voltage will immediately drop to a constant value, to maintain the normal lamp glow Discharge in a steady state.