Intelligent Street Light / Smart City Lighting/smart street light

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Lighting (SLS)

Intelligent Street Light / Smart City Lighting

Application layer- the joint operation mode of environment sensing, CPS fusion processing,data analysis and mining

Network layer - base on Ethernet standard protocol - combination of EPON, 3G/4G, WIFI, Zigbee and other technology integration

Terminal layer - unified terminal equipment agreement to Realization the underlying interconnection

The purpose of instructing an intelligent city is to “make full use of information and communication technology to sensing,

analyzing and integrating the key information of core system of the city, and response intelligent to various needs of

people’s livelihood, environmental protection, public security, urban services, industrial and commercial activities, and

create a better life for human beings”. Therefore, intelligent city requires a carrier of information collection, dissemination

and transmission.

Relying on the ability of excellent development ability in LED street light, LED display and the hardware & software

system integration , finally successfully design the intelligent street light system, and pass through the National

Electric light source for quality supervision and Inspection Center (Shanghai) detection system, Identified by China

Illuminating Engineering Society Technical, performance of lighting have reached the international advanced level.

Intelligent Street Light / Smart City Lighting

Intelligent street lighting configuration scheme

	Simplified Configuration	Standard Configuration	High Configuration	Top Configuration
Basic Features
Communication Sub-system	●	●	●	●
Control Sub-system	●	●	●	●
Optional Featuers
LED Light	●	●	●	●
Light Post	★	●	●	●
Sensors Sub-system		★	●	●
Video Survilliance Sub-system		★	●	●
RFID Sub-system		★	●	●
LED Display		★	●	●
Emergency Call Sub-system		★	●	●
Power Charging station		★	★	●
Micro base statin,WIFI		★	★	●

Note: 1 ”●” Must have items

2 ”★ ” Optional items

3 System update supported

Intelligent street light network diagram

Intelligent Street Light / Smart City Lighting

Q:LED street lights around 2800K, the highest color temperature, how many lumens per watt?: The light loss of the lens and the mask two is about 10%, and the light effect of LED is only 117LM/W, and the power loss is even lower. All of the lights need to be achieved 120lm/W, basically impossible to achieve.

Q:What is the function of the microcontroller on the LED street lamp?: Are you saying that driving power street lamps inside the IC is how to start it depends on your number and your street lamp street lamp is light intensity sensor or automatic timing you make these problems clear estimates of the so-called SCM will be solved

Q:How to calculate the number of Duodawa with LED lights: Road lighting requirements: mainly including illumination requirements, illumination uniformity requirements of two kinds.Uniformity is generally over 0.3, the greater the uniformity, indicating that the street lights, walking more open, lighting effect is better.Illumination is related to power and installation height of luminaire. For the street lamp, we hope that the greater the angle of light, the better evenness can be achieved, and that the distance between the lamp posts can be widened, the number of the lamp posts can be reduced, and the cost can be saved.

Q:How to judge the light type of LED street lamp?: Either for the manufacturer to provide, or to do their own spectral analysis, the naked eye is not visible

Q:Technical requirements for LED street lamps: The technology is mature day by day, and the efficiency of light source has reached over 100lm/W, which makes it possible to save energy in urban street lighting. LED street lamps, especially large power LED street lamps, are attacking the traditional street lamp market at a tremendous speed.High power LED street lamp, as its name suggests, is power greater than 30 watts, using a new type of LED semiconductor light street lamps. The standard is generally the illuminance uniformity of the road surface, which conforms to the illumination of the road. The actual 1/2 center spot reaches 25LUX, and the 1/4 center light intensity reaches 15LUX, the minimum light intensity is 4LUX at 16 meters, and the overlap light intensity is about 6LUX. Refers to the use of solar panels for the supply of power LED street lamps. The conversion rate of 1. light is 17%, the solar energy per square meter is 1000W, and the actual utilization efficiency is 170W

Q:What are the standards for LED street lighting?: Light efficiency, the good light theory is 100lm/W, 100 watt incandescent lamp is about 1200lm, that is to say, about 12W LED lamp luminous flux is equivalent to a 100 watt incandescent lamp, this is the origin of energy saving. Of course, in fact only theory, but also the specific consideration of power loss of LED, loss and attenuation of photothermal divergence, and so on, is not to say, here is not to write.

Q:The same brand of chips, how to judge the quality of LED lights?: Pay attention to the LED chips used in LED street lights. LED chip is the core part of LED street lamp, and the quality of LED chip affects the service life, brightness, light color of LED street lamp, etc.. The general import LED chip slightly better quality (such as Puri and CREE) as a municipal engineering, personal recommendations in addition to the two kinds of chips are not other, Liaoyuan century products outdoor Puri CREE, indoor use of wafer,

Q:Features of LED street lamps: LED street lamp is different from conventional, LED light source adopts low voltage DC power supply, by the high white GaN based blue LED and yellow synthesis, has the advantages of high efficiency, safety, energy saving, environmental protection, long life, fast response, high color rendering index unique advantages, can be widely used in the road. Cover can be made, high temperature up to 135 degrees, low temperature resistance up to -45 degrees. 1, the characteristics of its own - one-way light, without the proliferation of light, to ensure the efficiency of light.

Q:How is the minimum illuminance of LED street lights Emin obtained? How to calculate?: Import the IES file of lamp into DIALux software, and then set up the height, elevation angle, installation interval and so on

Q:What are the 6 main disadvantages of LED street lights? What are the 6 major disadvantages?: LED irradiation uniformity problemIf we do not carry out the two optical design, the illumination of LED lighting products is relatively concentrated, so we must carry out two optical design, so that the light intensity distribution pattern is bat shaped.

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