Electric Lighting Techniques And Measures Section
With new materials, new technology development and application of efficient lighting products tend to be small, high light efficiency, long life, no pollution, natural light color direction.
(A) T8, T5 fluorescent lamps
T8 fluorescent tubes, compared with traditional T12 fluorescent lamps, up to 10% of the electricity section. By the halogen light pink color effect materials, rare earth trichromatic phosphor materials applied gradually increased. T5 diameter of small, widely used rare earth trichromatic phosphor luminescent materials, and coated with protective film, optical efficiency has improved significantly. Such as the 28-watt T5 fluorescent tube light efficiency of about 40% higher than the T12 fluorescent lamp, T8 fluorescent lamps increased more than 18%. At the same time, greatly reducing the phosphor, mercury, glass pipes and other materials to use.
T8 fluorescent tubes currently has generally promote the use of, T5 tubes are also gradually expand the market, and have more advanced T3, T2 diameter of a new generation of ultra-fine product.
(B) compact fluorescent (CFL)
Compact fluorescent energy-efficient than regular incandescent, long life, at home and other places with a variety of indoor lighting to light, easy to install. With the development of production technology, has H-type, U type, spiral type and shape of the pear close to ordinary incandescent products, so that it can be more decorative and general lighting. High power compact fluorescent lamp, lighting in factories, outdoor lighting application and dissemination.
(C) high pressure sodium lamp
High pressure sodium and metal halide lamps is the high-pressure gas discharge lamps (HID) lighting products in the main high. High pressure sodium lamp is a discharge and the light from the sodium vapor, sodium vapor lights in the sub-pressure to 104Pa high-pressure gas discharge lamp, which is characterized by long life (24,000 hours), high luminous efficiency (100-120lm / W), through fog and strong, can be widely used for road lighting, flood lighting, square fields of lighting, high pressure sodium lamp replace the use of more high-pressure mercury lamp, in the same light intensity, 37% saving in electricity consumption.
(D) Metal halide lamp
Metal Halide Lamp is a high-pressure mercury lamp on the basis of the discharge metal halide were added to metal atoms or molecules involved in discharge and emission of high pressure gas discharge lamp, which is characterized by long life (8000-20000 hours) high luminous efficiency (75-95lm / W), color, and can be widely used in industrial lighting, city lighting engineering lighting, commercial lighting, sports stadiums and other areas of lighting, use it to replace the use of more high-pressure mercury lamp, In the same illumination conditions, can be saving 30%.
(5) Electronic Ballast
Rapid development of electronic ballasts for fluorescent lamps have been applied to mass production. High-intensity discharge lamp electronic ballast, is still in development stage.
(6) semiconductor light-emitting diode (LED)
Semiconductor light-emitting diode is a solid light source, can work in low DC voltage, light conversion efficiency, light-emitting surface is small, its effect is far more than light colored incandescent color, life up to 5-10 million hours. Light effect now has more than 30 lm / W, the lab has developed a 100 lumens / watt. LED light source has been widely used light source in the instrument instruction, high car brake lights, traffic lights and large area display.
(7) efficient lighting
In addition to correct selection of lighting products, choose a reasonable and efficient lighting fixtures and light sources supporting the use of lighting required to meet the circumstances, can save electricity for lighting.
Second, apply natural lighting technology
Full use of natural light, saving electricity for lighting. To create a good visual work environment. Europe and the United States and Japan and other developed countries, has developed a series of use of sunlight for natural lighting techniques, and in schools, museums, office buildings, stadiums, public toilets, waste disposal plants and other public facilities, and is widely used in industrial and civil buildings, to achieve completely or partially during the day using natural light, which save energy, improve the indoor environmental quality. Currently natural light lighting systems are rapidly developing technologies and products, mainly the use of technology through:
(A) file with a reflective optical plate of the lighting window. Is the large area side of the light of the most common. Advantage is that can effectively reflect sunlight, the sunlight reflecting through the roof to the interior depths, to improve illumination through interior parts, window parts at the same time reducing the brightness of play so that the whole room light distribution more uniform.
(B) Au sun light window wells. Is a receiver or high-side windows from the top of the incident sunlight more efficient light windows. Via an internal reflection of light with the top or the top of the light wells mouth, into the sun through the indirect light reflected. Singled out some windows and sunlight shaft feature parameters can be designed to maximize the reflection coefficient of the surface to improve light utilization efficiency windows.
(C) to track the sun with a mirror window grille. This is a computer-controlled, automatic tracking sun mirror grating, the biggest advantage of the window can control the amount of light shone into the room and heat radiation.
(D) optical materials with a light shade curtains made of lead. Can block the direct sunlight, while the light guide can be deep interior, its functions and coated with high reflective material similar to sun visor.
(E) and the prism light guide plate glass window lighting. Optical glass optical fiber is sandwiched between two optical glass. Prism plate light window in the pressure of the refraction of light polypropylene board a small prism or polypropylene board with a laser processing method in a parallel prism article or refracted into the sunlight to the deep interior.
Third, using energy-saving lighting control system
The use of advanced lighting control systems, with advanced lighting control equipment and switching control of the lighting system. Road lighting, road lighting control system using, the means by controlling the voltage fluctuations, voltage fluctuations to overcome the road lighting and lighting on the impact of product life, to achieve better lighting and energy saving effect. Control of indoor lighting, the main use of voice control, light control, infrared and other intelligent control system to reduce lighting electricity and extend the life of lighting products.
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