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Why LED street light save engery ?

With the continuous energy consumption, the increasing scarcity of resources, the greenhouse effect on human beings become increasingly significant hazards, air pollution on the Earth's environment more and more serious, saving energy and reducing consumption requirements of the international community is increasing, today's energy conservation become the most important task. As early as 1996, China officially launched on the green lighting project, the lighting project to save resources, prevent pollution, and our future generations. Over the years, through the joint efforts of all various departments, as a fourth-generation semiconductor light source (LED) lighting products has been rapid development in the energy saving achievements. Chinese road lighting outdoor lighting accounts for a whole 30% of electricity consumption, and it is closely related to production and life. LED street lighting as an important outdoor applications, its advantages:

1. high-power long-life LED street lamp

Members of the focus of great concern, as many domestic and foreign experts and the company's products described in publicity pictures 5-10 million hours, and optimistic attitude, a matter of fact, high-power LED street lamp life depends on the following points: 1) LED light source chip quality, value-ray attenuation. 2) LED packaging technology, Consistency and reliability. 3) LED light source is a cold light, but the LED semiconductor itself will have heat. LED heat dissipation, LED to ensure good working conditions. (4) power supply, current-driven assure the quality.

2. energy efficient

Lighting is a systems engineering project, whether it is prescribed as the lighting or lighting the atmosphere are converted into electrical energy through light, through the projection lamp to be a partial head-to-head to achieve a certain degree of illumination, uniformity, color, and more than being head-to-head Local synthesis of a complete lighting projects, not simply to compare the use of power, but through an integrated, comprehensive analysis for comparison.

3. the differentiation between conventional lighting and LED lighting

Conventional street lighting is composed by the light shell, light source cavity and electrical room. Because there is sufficient space and the shell activated carbon and foam silicone rubber heat sealing installation to ensure that the working conditions of the source. The light source cavity protection grade IP65, protection rating electrical room IP45. As long as conventional lamps lighting conditions to ensure this protection, you can make any shape, Since the LED street lamp and the semiconductor launched the market, long-life light source, with easy superiority of a reasonable distribution of light, temperature variability, high color-rendering index of the edge, low-voltage, current power supply of the light source with a highly efficient energy-saving trends. Used for LED street lamps have natural advantages, its advantage lies in: 1) LED as a point light source, if the design is reasonable, to a large extent directly address the traditional spherical light-emitting light source has to rely on to solve the second take-ray and optical loss issues; 2.) Light irradiation uniformity surface controlled, in theory, can be done entirely in the target area evenly, which light source to avoid the traditional "bright light" phenomenon of light waste; 3) Color temperature optional, so the application of different occasions, but also improve efficiency, reduce costs an important way; 4) Technology is still considerable room for improvement.

4. LED streetlights with the rationality of the optical light

LED lights with different traditions, it has a point light source, high brightness, narrow-beam output and so on. LED street lamps so the first thing to consider the limited use of the full flux of radiation to the effective range, street lamps lighting the road asking for is the effect of the open space beyond the surface rather than the effective range of street lighting. Therefore, effective control of the distribution of light, so that LED light into a long strip along the surface with the direction of light spread, glare at the same time take into account the emergence of a new type of LED lighting design of the increasing demands made on staff.

5. the technical performance comparison for current LED streetlight

6. calculating the energy-saving targets (based on 12 hours per day): Energy savings per year = 365 * 12 * (0.5-0.16) = 1489.2 Electricity savings per year = 1489.2 * 0.8 = 1191.36 yuan After transformation of LED lamps, each lamp to save electricity 1191.36 yuan per year. If the entire road use LED street lamps, so the country will save a lot of power, by economic, a lot of money saved.

 

For more LED lighting, please visit: www.ledke.com

About the Author

Tel: 86-0755-27319793
Fax: 86-0755-82949887
Website: www.ledke.com

How do you determine if a cold cathode light will be busted? What are the key indicators?

If the cold cathode light is blinking, does it mean that the lifespan of it will be short? We tried to reset it through the breaker and it came back to normal? Can someone elaborate on this? Thanks.

Well I did a experiment on this once, and I remember that if the cathode light blinks it means that it is running out and thus it has a shorter life span.

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