Philips Street Light Led
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FAQ
- How much solar panels do you need to make a 15W LED solar street lamp?
- This is based on the daily light hours, as well as the average sunshine hours in the region, the number of days required to calculate the rainy days.
- How long does the general power LED power supply cycle last? Such as street lights, power supplies, 150W, 180W?
- The demands are different, the time is different. Of course, your technical decision time.
- High frequency jet lamp, LED lamp, xenon lamp, which is suitable for street lamps
- Here to analyze the advantages and disadvantages of several light source: high pressure sodium lamp has high efficiency, long life, light penetration, rain and fog irradiation range is relatively secure, but a single color spectrum, low resolution, according to details of poor road.
- How many LED lights are there in the downtown area, W?
- Depends on the width of the road, the normal is 250W metal halide lamp, there are 400W.. Used at intersections,
- The width of the road is 20 meters, the distance of the street lamp is 25 meters, and the number of tiles is led. How much is the pole?. How to calculate?
- Symmetrical lamp, rod 10 meters high25 illuminance, (10*1.414*2) *10*25/90=77WTherefore, it is recommended to install LED lamp 70~100W30 illumination, 100-120WThe above is based on quality chip light source calculation
- Why do street lights use bat wings to match the light curve?
- The bat light curve of the street lamp is based on the light distribution of the common high-pressure sodium lamp. Now the LED street lamp is just imitating. The bat wing curve gives full use of light. LED light is straight scattered, not light, glare, uneven radiation and other issues.
- The design idea of LED intelligent energy-saving street lamp
- I do street power supply, single road constant flow, character ratio is very high
- How to use ZigBee intelligent LED street lamp
- Because every time there is a street lamp, through the method of adding repeaters, ZigBee can now add more than 60 thousand devices for a city should not be a problem, if more street number more than 60 thousand, can be divided into several pieces respectively. In general, the distance from each repeater is about 70 meters, and it will be better if there is no blocking outside, and hundreds of meters are no problem at all. If the effect is not good, you can add a repeater in the middle to resolve it.
