Solar Street Light 40W

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Q: Can the power supply for the LED street lamp be placed under the lamppost?: You can put appliances under the door, but you must not drive fixed down, otherwise the heavy rain water, may the water inside.

Q: Does the LED street lamp need a starter?: LED light is not a starter, is a constant current source module, is 220V city power rectifier, with constant current circuit to each LED lamp power supply; LED lights can be connected in series, and then parallel. There is also not constant current, but in each series of branch current limiting resistors, to consider the range of voltage fluctuations, select the current resistance resistance value and power.

Q: What are the 6 main disadvantages of LED street lights? What are the 6 major disadvantages?: 1 single LED power low. In order to obtain high power, more than one parallel connection is needed.TwoLow color rendering index.It is a technical problem that the color displayed by LED radiation is not true of incandescent lamp, and it should be analyzed from the spectral distribution.

Q: How much color temperature should be used for a LED street lamp?: The main application of LED street, main roads, secondary roads and branches, factories, schools, gardens, city square, Garden Road, rural road lighting.

Q: Is the price of the street lamp factory in led the same?: LED lights for their respective products factory price countries has not been unified, now rely on market regulation and macro-control and their purchase of LED street customer awareness of the product, the key is led lamps factory enterprise conscience.

Q: LED street lamp, glass lens, mold opening, research and development: The two light distribution design must be carried out on the basis of the primary light distribution design of the LED light emitting device. Once, the light distribution design is to ensure the quality of each LED light emitting device, and consider taking the light emitted from the LED chip as much as possible. And the two light distribution design is to consider how to focus the light emitted by the LED device on the desired lighting area, so that the light energy delivered by the whole system meets the design requirements. In a sense, only the packaging design (that is, once the light distribution design) is reasonable, in order to ensure the smooth realization of the system's two light distribution design, thereby enhancing the lighting and display effects.

Q: 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,

Q: How to distinguish whether the LED lamps glare seriously, whether there is a standard?: There are 4 main reasons for the glare caused by LED lamps.(1) brightness factor of light source: the higher the brightness, the more obvious the glare.(2) the position of light source factor: the closer to the line of sight, the more obvious the glare.(3) the appearance, size and quantity factors of light source: the larger the apparent area, the more the number of light sources, the more obvious the glare. (4) ambient factors: the lower the brightness of the environment, the lower the brightness of the eye adaptation, the more obvious glare.

Q: Does the LED street lamp work well with a single light source or with integrated light sources?: You look at the voltage LED power supply, generally 12V, white light, you can string 4

Q: How many watts does the LED street light have?: The technology is mature day by day, and the high-power LED light source can meet the needs of general street lamps. The general optical efficiency of high pressure sodium lamp is 100LM/W, high power LED is commonly used by foreign 50-60LM/W, the best LED chip can reach 80LM/W, the luminous efficiency is high, means that the energy saving effect is better, which is the choice of one of the most important indicators of LED street lamp. However, the LED standard does not specify this, so the purchase of LED street lamps must be carefully confirmed.

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