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Matters needing attention in the design of LED solar street lights

by:SRS     2021-05-18
With the increasing use of LED solar solar street light, the requirements for its design are getting higher and higher, so here are the things that need to be paid attention to in its design, and I hope to provide certain things to those who want to design this reference. 1. The LED itself has the performance of directional illumination, and the relevant reflector device is also installed in those power-type LEDs, and the reflectance of this device is higher than that of the lamp itself. When designing, we need to pay attention to making full use of these reflective properties to ensure that the lighting of the solar street lamp can make the light reach each area directly, and then cooperate with the auxiliary design to achieve the goal of uniform illumination of the solar street lamp. In the design, you can set each projection surface of the LED, fix it with a spherical universal joint, and then adjust the height and width of the different illumination by adjusting the universal joint to obtain the best illumination result , Determine the power required for each illumination angle by calculation, so that the power required for the best light efficiency of each LED can be met, so that the designed solar street lamp can achieve the goal of uniform illumination but energy saving. 2. Different from traditional street lights, LED needs constant current power supply. Pay great attention to the design of its power supply. If it is a relatively simple solution, it may cause damage to the LED components, which needs to be considered when designing. The working safety of a group of LEDs. To ensure a constant current power supply usually requires a relatively high internal impedance at the output end. To ensure a constant current power supply, the best design is to use active or high-frequency current to drive the LED. 3. A major security threat to street lights working outdoors is the lightning environment. Usually the wires used by street lights can receive wireless waves well, and this kind of wireless waves are emitted during lightning, which is very easy to make The circuit of the solar street light received an electric shock, causing damage. Therefore, when designing, we must pay attention to the design of related lightning protection systems to prevent street lights from being damaged due to the lightning environment.   The above are some of the matters that need to be paid attention to when designing LED solar street light. If you want to design this kind of solar street light, you may wish to take these matters into consideration and design the best street light lighting system.
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