"Landscape lighting" always reminds people of the colorfulness of the city, as well as the clouds of light shining above the lights. LED , the fourth revolution in the history of human lighting LED is a kind of luminescent semiconductor component, recognized as one of the most promising high-tech products in the 21st century. It also promotes the lighting revolution and promotes energy saving and environmental protection. Protection makes a significant contribution. With the government's vigorous promotion and global industrial ladder transfer, the future landscape lighting will be the generation of LED dance.
"Landscape lighting" always reminds people of the colorfulness of the city, as well as the clouds of light shining above the lights.
LED is a kind of luminescent semiconductor component. It is recognized as one of the most promising high-tech products in the 21st century. It has also made significant contributions to promoting energy-saving emission reduction and environmental protection while initiating the lighting revolution. With the government's vigorous promotion and global industrial ladder transfer, the future landscape lighting will be the generation of LED dance.
What are the advantages of LED, favored by landscape lighting
(1) LED lighting has a huge energy-saving effect, the power of a single LED is only 0.03-0.06W, and the driving voltage is low (1.5-3.5V), the current is small (15-18mA), in the case of forming the same lighting effect, The power consumption is only one-eighth of that of incandescent lamps and one-half of fluorescent lamps. It can be seen that the LED light source is used instead of the ordinary lamp and the fluorescent lamp for the landscape lighting with huge power consumption, and the energy saving effect is very obvious, and has strong market competitiveness. Moreover, the life of the LED light source is 100 times that of the incandescent lamp and 20-30 times that of the fluorescent lamp, eliminating the need for frequent maintenance, plus its rich color and good controllability, which is better for urban landscape lighting. . Now, LED is replacing the traditional light source with a growth rate of 50%, which will lead to the fourth revolution in the history of human lighting, greatly improving the living environment of mankind and alleviating the increasingly severe energy crisis in the world.
(2) The light source structure of LED is light (epoxy package), small in size, can adapt to a variety of geometric sizes and different space sizes, is a solid light source, does not inflate, does not have gas sealing problems, does not require a glass casing, resistant Impact, vibration resistance, and not easy to break, determine that its luminaire strength and stiffness are lower than other electric light source requirements. Moreover, the LED is a cold light source, has good controllability, fast response time, can be repeatedly turned on and off frequently, and is not tired.
(3) The color of the LED light source is pure and rich, and it can evolve any color, which is better than the color metal halide lamp, and its decoration is unparalleled. The compactness of the LED light source makes it flexible enough to form a variety of points, lines, faces, balls and the like. According to the purpose of landscape lighting decoration, LED light source through microcomputer intelligent control technology, its changes can be made into points, lines, faces, balls and other forms, including: flicker (flicker) control, suitable for forming "points, lines "; Gradient (flexible) control, suitable for forming "face"; dynamic (jump) control, suitable for forming longitudinal and lateral dynamic changes of the pattern. The above three changes can also form the rotary motion of the sphere, in addition to single-lamp control and group light control.
Of course, LEDs are not without drawbacks.
(1) LED is more "petty", it needs to support the excellent heat dissipation, constant current drive and other solutions. If it is used improperly, it will easily appear light decay or even "dead light" phenomenon.
(2) The power of a single LED is low, and in order to obtain high power, multiple parallel use is required.
(3) LED color rendering index is low. The color displayed under the LED illumination is not as true as the incandescent lamp, which is analyzed from the spectral distribution and is a technical problem.
LED landscape lighting requires engineers and designers to make a stone
Although LED is good, it also has obvious functions in landscape lighting. However, landscape lighting is not a simple technical parameter. As a new carrier for urban viewing and promotion, landscape lighting must be the perfect combination of art and technology.
Among them, technology is the foundation, art needs the support of technology, and art is the perfect extension on the basis of perfect technology, just like a beautiful flower on a strong plant.
In the process of LED landscape lighting design and installation, engineers and designers should also pay attention to the following points:
(1) The goal of landscape lighting is to coordinate the landscape lighting with the landscape, adapt to the conditions of the scene, and adapt to the characteristics of the building to achieve a new level of landscaping. At the same time, pay attention to humanization and intelligence. The art of landscape lighting must pass through light and illumination to be energized by life.
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