One of the examples of LED lighting energy saving transformation done by Jia Tong electronics in Shanghai:
Q:How to use electric car storage battery and energy saving lamp to produce street lamp
Battery car battery series voltage, battery voltage and battery charge used vary greatly, in order to make the power supply voltage regulator circuit lamp will not be too complicated, so to the battery lighting device power supply voltage should not be too high, with a 12V battery to supply it.
Q:Do you want city lighting?
About city lighting, whether to do this problem, depends on how to understand? City lighting also called night lighting, is referred to as words, he has a lot of classification, such as buildings, squares
Q:In the application of the following electrical appliances, what is said is incorrect
C lighting circuit, the lights and other electrical connection between are parallel, so the option C with B.
Q:How much does LED lighting save more than regular lighting?
. If it is energy-saving effect of lamps and lanterns, the key is to see whether the design is reasonable.
Q:Festival lights are connected by a number of light bulbs connected to the lighting circuit
When the lighting voltage is 220V, 10 "12V" and "10W" series connected to the lighting circuit, the voltage of each bulb is 22V, over the rated voltage of the bulb, the bulb will be burned out. Therefore, A error
Q:How to choose lamps and lanterns? Inventory factors affecting consumer spending
With the improvement of living standards and the maturity of consumer awareness, the consumer demand for lamps is no longer just on the level of lighting, and more decorative factors are desired.
Q:Colorful lighting, okay?
Anyway, I'll look at some of them and compare them. I know the quality is absolutely good. At least my house lamp is not broken
Q:What is the color temperature of a star hotel?
The entrance is the transition space into the hotel, the guests need to clearly guide the entrance position, in addition to creating a comfortable visual environment, but also a friendly atmosphere.
Q:Does common energy-saving lighting have harmful radiation?
certification in Europe which includes electromagnetic radiation and interference, non-compliance is not through certification