Philips Street Light Led

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FAQ

What's the advantage of Led street lights?

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, can be widely used in road, the outer cover can be made of high temperature resistant up to 135 degrees, low temperature reached -45 degrees.

Solar LED street lamp, how much is a set of solar street lamps wholesale price?

Now the conventional 6 meter 30W power solar energy set price is about 1260 yuan, the detailed price ha needs to calculate according to the lighting time and the rainy days.

For the LED street light distribution, is it better to use a lens or a reflector?

According to personal needs, the last time I went to a lighting shop called Zhongshan Ming lighting shop to buy lights, but also asked the question, but do not remember what the salesman said

How much is the LED street lamp and driving power 85W

Yangzhou is the largest production base of street lamps in China, which can be visited by manufacturers. Solar street lighting controller is divided into two buck and step-up, Buck 50 yuan, step-up 80 yuan, the warranty for three years. Now the conventional 6 meter 30W power solar energy set price is about 1260 yuan, the detailed price ha needs to calculate according to the lighting time and the rainy days.

LED street lights installed on both sides of the road, horizontal installation and angle installation (0~30 degrees), natural convection heat dissipation, that good heat dissipation.

Generally speaking, this is a better angle installation, and the light source installed vertically below is the best,In fluid mechanics, the density of hot air is smaller than that of cold air, small density, light mass of hot air rises, cold air sinks, and natural convection occurs. But it doesn't have to be angled, depending on the shape of your fin design and the way it is cooled.

How many kinds of power do LED street lights have? How much brightness can it replace the high pressure sodium lamp? What kind of power does the general main road need?

Generally have 20W, 30W, 50W, brightness can be replaced by 100W, 150W, 200W power high-pressure sodium lamp 30W~50W power is enough for a common trunk road.

What is the design height and illuminance of LED street lamps?

1, the first screenshot of table 5.1.3, Weff means: effective width of the road.2, the above lamps refer to conventional lighting, the so-called regular lighting is the lamp installation height of 15 meters below the lamppost.3, light cut type refers to: the maximum light intensity direction of the lamp and the vertical axis of the lamp included angle between 0-65 degrees.4, half light type refers to: the maximum light intensity direction of the lamp and the vertical axis of the lamp included angle between 0-75 degrees.

What is the reason for the low power factor of LED street lamp?

What you said is not too clear, the general LED is to drive the switching power supply, switching power supply method of improving power factor is to increase the power factor correction circuit, power factor correction circuit is more than 50W, can play a role. The LED street light power is generally more than 100W, if the power factor is low, it can only show that its driving power supply, there is no power factor correction, or is not done well. Well done, it should be more than 0.95There is no power correction circuit for the driving power of the first paragraph