Investigating the factors influencing urban led lighting design

  In the field of urban lighting , diversification of investors to make lighting designers will be faced with numerous owners , namely the market economy determines the unit owners must proceed from their own economic interests, lighting design project implementation to take a different approach : a profit- lighting owners , because the implementation of the lighting can bring opportunities to improve economic efficiency , so the enthusiasm is high, but there is another than the brightness , to battle the phenomenon of blind increase lighting. This will not only increased investment , but led street lights price also undermine the overall artistic effect in the region . Owners of non-commercial lighting , illuminated only by the implementation of economic investment and no benefit in return , so the enthusiasm is not high or minimize investment , also affected the overall effect of the region. Meanwhile, the various owners of the illumination light to understand the depth and personal thinking , consciousness , love , differences in aesthetic point of view , forming a colorful lighting effects , such as governmental office actually using green lighting, people feel eerie , rather than government buildings serious, solemn. In fact, for different lighting objects should choose a different color of light . Closely related to people's emotions and colors , such as blue makes people feel calm and satisfied, gives a brilliant yellow and excitement , eager to win the red people , rejuvenated , red and green intertwined feel strong, reliable, perseverance, a touch of blue can cause a sense of security and self-esteem , red, orange , yellow and other warm colors make people excited, warm atmosphere , etc. ; under normal circumstances should be used with caution lighting green, blue , purple and so cool , it is easy to adopt inappropriate people feel gloomy cold.
  Since the reform and opening up, China 's lighting technology from the light source , lighting to lighting design , great changes have taken place . Than a single incandescent light source and straight tube fluorescent lamps, tungsten halogen development , fluorescent high pressure mercury lamp, high pressure sodium , metal halide lamps , compact fluorescent lamps , lamp , LED lights.
Lighting equipment , lighting development is relatively slow in a long time , the important role of lighting is often overlooked. The past 20 years , with the rapid development of new sources , the new lamps are also emerging , these new lamps have the following common features :
( 1 ) With the need for new light sources , developed a matching lamps, such as high pressure sodium lamps, metal halide lamp fixtures .
( 2 ) manufacturing light material and processing a qualitative leap. Highly reflective surfaces such as the use of high- purity aluminum lamp surface coating made ​​of advanced processing technology , surface reflectivity up to 88-92% ; lamp diffuser using a prism lens -shaped plastic plate , white anti-static materials such as acrylic resin plate , transmission ratio, good dustproof and anti-aging properties.
( 3 ) reasonable lighting design and advanced design tools , the use of premises for the state space , environmental conditions and requirements, determine the type of lamp light , the use of computer-aided design to determine the shape of the reflecting surface , reaching a high luminaire efficiency .
( 4 ) After the authority of Quality Supervision and Testing Center lamps , lighting the lamps meet the performance standards drawn a realistic lighting calculation parameters, including light distribution curve , utilization factor tables, etc. , for the use of lighting design .
New light appeared since the 1950s , most of the use of magnetic ballasts . Inductive ballast stable, good quality , low price , the more popular . But there are also many drawbacks itself :
( 1 ) their large power loss ;
( 2 ) prone to noise ;
( 3 ) a serious detrimental effect stroboscopic vision ;
( 4 ) copper and silicon steel material loss, big weight ;
( 5 ) long-term use , it is possible due to the temperature rise too high and cause a fire ;
In advanced countries to promote the development of high-frequency electronic ballasts , after 10 years of efforts , China's electronic ballast to reach the international advanced level. It has many advantages over magnetic ballasts :
( 1 ) energy-saving effect, under the same circumstances flux output , can save 20-25% ;
( 2 ) tubes at 20 to 50kHz frequency operation , eliminating the stroboscopic effect , light stability, protect eyesight, reduce visual fatigue beneficial ;
( 3 ) eliminating the noise ;
( 4 ) reduce the impact of fluctuations in the power supply voltage offset and flux ;
( 5 ) can be achieved dimming fluorescent lamps.
With the development of urban lighting , high-tech and high-tech lighting equipment began to promote the use of lighting in the city , such as laser lighting, computer searchlight , aerial ball lights , fiber optic lighting system, LED light band , Promise fluorescent lamps , lighting in the city engineering has been applied , not only received a general illumination method is difficult to achieve lighting effects , but also the level of urban lighting technology has improved significantly.
In summary , with the city lighting technology continues to improve , room lighting design lighting designers in the choice of greatly increased, together with emerging high-tech , urban lighting design will play a finishing touch effect.
  The design of each project has its certain regularity , contrary to the law of development of things that will take many detours or reach more satisfactory results . For lighting lighting design is also true that it is the combination of light and art , is cleverly arranged lighting and landscape elements of the original structure , including the rational and emotional point of view . The main elements of the program include the feasibility of investors, the lighting designer ideas and intentions and on-site environmental dimensions .
Lighting design lighting design in a way different from the other , greatly affected the investment to meet the functional requirements is essential. How to meet the functional requirements under the premise of landscape lighting at night is more beautiful , the scale of investment would be affected , but in recent years, with the continuous development of high-tech investment in the light of the practical application of the lighting is even more important.
Lighting designer lighting should fully understand the properties of an object , function, environmental viewpoint , shape features , style, and , in particular, to understand the lighting designer's creativity, design intent , to show the contents of the lighting design related drawings. For objects with different attributes , lighting designers how light , lights , colors , what purpose , what effect the performance , the difference is enormous. Positioning lighting lighting environment , ie spatial relationships in determining the brightness standards must be coordinated with the environment , to light just right , not the more light the better , to overcome the psychological mutual competition , avoiding only emphasized the lighting objects , without regard to the surrounding light environment.
Positioning point of view , it is possible to watch the lighting in the analysis of a number of viewpoints lights ( far and near , high, low , around the four directions ) , based on the setting of the main viewpoints and best view , and thus starting the overall idea of ​​lighting effects and lighting specific programs . Many cities have their own unique lighting shape and become the city's landmark buildings , they are a strong recognition of the deep to stay in people's memories . As a lighting designer , in the shape of its light, no matter what the lighting method adopted must respect and in accordance with its unique shape, not only with light language expression of its existence, but also in the hearts of the people setting up the next night it enjoys in the daytime the iconic status : If improper lighting , led street lights price distort the natural form, will be evaluated as " a big mistake ."
Meanwhile, the lighting landscape lighting to reflect the style of no style would be no personality , not to mention taste. Some lighting has a strong national style , while others are very modern , and some showed a modern style , and some very local characteristics , and these styles tend to be fully reflected in the shape and appearance of lighting design through a variety of techniques out ; lighting objects of different styles , methods and techniques adopted lighting are not the same .
Site environment including brightness lighting objects background of local landscape lighting , local people 's favorite color or preferences and customs and power supply and so on.
Of course , factors urban lighting design , there are many , such as the level of economic development , cultural ideas , etc., as long as the lighting design in the city as the various factors to consider before a comprehensive, will give the development of urban lighting design solutions provide true and reliable basis , and ultimately achieve the desired effect of urban lighting .

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