Low-mercury long-life energy-saving lamp
A long-life, energy-saving lamp technology, which is applied to the components of gas discharge lamps, etc., can solve the problems of reducing the amount of mercury used in energy-saving lamps and polluting the environment, and achieve the goals of avoiding loss and diffusion, good light transmission, and suppressing mercury consumption. Effect
Inactive Publication Date: 2011-08-31
XIAMEN TOPSTAR LIGHTING
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[0004] The invention provides a low-mercury long-life energy-saving lamp, which further reduces the amount of mercury used by the energy-saving lamp, overcomes the problems of high mercury content and environmental pollution in the energy-saving lamp in the background technology, and maintains the long life of the energy-saving lamp
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[0024] Please check figure 1 , a low-mercury energy-saving lamp, which includes a lamp base 400 and a lamp tube 100 connected to the lamp base 400 . The lamp tube 100 includes a glass wall 110 , a protective film 120 coated on the inner wall of the glass wall 110 , and a phosphor layer 130 coated on the protective film 120 . A cold end 111 is provided at the bottom of the lamp tube 100 , and the solid amalgam 200 is placed in the cold end 111 of the lamp tube 100 . In this embodiment, the mercury content in the solid amalgam 200 ranges from 0.7 mg to 1 mg. In this embodiment, the solid amalgam 200 contains Bi, Sn and Hg, in the best embodiment, the content of Hg is 15%-40%, in the best application example, the content of Hg is 25% .
[0025] In this embodiment, the protective film 120 is made of nano-alumina. The nano-alumina is selected from a material with a primary particle size of 10nm to 13nm. When the protective film aqueous solution is prepared for the material, a s...
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The invention discloses a low-mercury long-life energy-saving lamp, comprising a lamp holder and a lamp tube connected with the lamp holder. The lamp tube comprises a glass wall, a protective film coated on the inner wall of the glass wall, and a phosphor layer coated on the protective film; solid amalgam is arranged in the lamp tube. The low-mercury long-life energy-saving lamp has the following advantages that: due to adoption of the solid amalgam instead of mercury, a. loss and diffusion of the mercury are effectively avoided during the process of producing, and pollution to the air environment caused by damage and abandonment of the product is obviously lightened; b. the amalgam has the same operation characteristics as that of the mercury, the best light output of the lamp can be ensured; and c. the actual amount of mercury filled in the lamp tube can be effectively controlled only by controlling granular size and weight of the amalgam. The consumption of the mercury is reduced by taking pre-coated nano-alumina as the protective film; and through combination with long-life cathode materials, the low-mercury long-life energy-saving lamp with 0.7-1 mg mercury is manufactured, thereby contributing to environmental protection.
Description
technical field [0001] The invention relates to a low-mercury long-life energy-saving lamp. Background technique [0002] Energy-saving lamps belong to low-pressure gas discharge lamps, which rely on mercury vapor discharge to generate ultraviolet rays to excite the phosphor layer to emit visible light for lighting. Mercury is a poisonous and harmful substance. It will pollute the environment during the production process, when the product is damaged or scrapped, and bring harm to human health. With the increasing consumption of energy-saving lamps, the problem of mercury pollution has attracted more and more attention in the industry. [0003] Theoretically, the amount of mercury needed to maintain the discharge of energy-saving lamps is very limited, but the actual amount is much higher than the theoretical value. This is because the lamp needs to consume mercury continuously during the ignition process. end-of-life, so the focus is on controlling mercury consumption. Th...
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IPC IPC(8): H01J61/35H01J61/04
Inventor 邓雪梅徐敬贤
Owner XIAMEN TOPSTAR LIGHTING