Cold cathode arc grille lamp

Abstract

The invention relates to a cold cathode arc grille lamp, comprising a lamp chassis, wherein, both ends of the lamp chassis are equipped with lamp stoppers, an arc grille seals the lamp chassis through the lamp stoppers, a reflector and an inverter are arranged in the lamp chassis, at least one cold cathode fluorescent tube is fixedly installed on the reflector, and the cold cathode fluorescent tube is electrically connected with the inverter; the outside diameter of the cold cathode fluorescent tube ranges from 5.00mm to 7.00mm; the cold cathode fluorescent tube is in a U shape or an I shape; and the control circuit of the inverter utilizes an intelligent IC half-bridge drive and control chip. The cold cathode arc grille lamp provided by the invention applies the cold cathode fluorescent tube to illumination in the civilian field, has the characteristics of stable light, low power consumption, resistance to frequent switching, good color rendering property, long service life, strong reliability, no need of frequent replacement, easy maintenance and low cost, is in favor of environmental protection, and is particularly suitable for illumination at public places such as offices, shopping malls, banks and the like.

Description

technical field [0001] The invention relates to a lighting fixture, in particular to a cold-cathode arc-shaped grid lamp using a cold-cathode fluorescent tube as a light source. Background technique [0002] At present, the outer diameter of the common cold cathode fluorescent lamps does not exceed 4.0mm, and the color temperature is high, usually greater than 7000K, and the brightness is high, but the illuminance is relatively low, the working current of the lamp tube is less than 8mA, the effective power is low, and the light efficiency is not high. Mostly 50lm / W. Generally, it can only be used in high-end product fields such as backlights, and cannot meet the requirements of the civil lighting field; the lamps used in the existing civil field are traditional T-series fluorescent lamps (such as the diameter of the T5 lamp tube is 16mm, and the diameter of the T8 lamp tube is 25.4mm). The tungsten wire is used as the electrode, and the filament needs to be preheated when i...

AI Technical Summary

Problems solved by technology

[0002] At present, the outer diameter of the common cold cathode fluorescent lamps does not exceed 4.0mm, and the color temperature is high, usually greater than 7000K, and the brightness is high, but the illuminance is relatively low, the working current of the lamp tube is less than 8mA, the effective power is low, and the light efficiency is not high. Mostly 50lm / W

Generally, it can only be used in high-end product fields such as backlights, and cannot meet the requirements of the civil lighting field; the lamps used in the existing civil field are traditional T-series fluorescent lamps (such as the diameter of the T5 lamp tube is 16mm, and the diameter of the T8 lamp tube is 25.4mm). The tungsten wire is used as the electrode, and the filament needs to be preheated when it is started; the tungsten wire is always in a high temperature state during the working process, and it is easy to evaporate and lose, and blackheads appear on the lamp tube. The diameter is large, the powder coating area is large, and the manufacturer considers the cost, the tube wall of the lamp is mostly coated with low-cost halogen phosphor, the lamp decays quickly, the luminous efficiency is low, and the color rendering is poor; the tube is filled with mercury Large amount, up to 10mg, causing pollution to the environment

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