Design of solar automatic chasing light and electronic billboard based on zigbee

As an emerging energy source, solar energy is now widely used in solar power generation, solar photovoltaic power generation, solar water pumps, solar water heaters, solar energy buildings, solar drying, solar cookers, solar refrigeration and air conditioning, as well as can be used to desalinate seawater, using solar photovoltaic treatment Deformation, cultivation of energy plants, in communications, transportation, agriculture, disaster prevention, cathodic protection, consumption, electronic products and many other aspects.

However, as countries seek to develop and bring about a global energy crisis, the world has generally begun to pay attention to the development and utilization of renewable energy. As an emerging clean and pollution-free green energy source, solar energy is rapidly being promoted and applied because of its inexhaustible and pollution-free nature. At present, solar street lamps are widely used, but most of them have problems of low density, intermittent, illumination direction and intensity with time, and constantly changing with the season. On the one hand, traditional solar panels are fixedly installed, that is, the battery board is fixed at some The position does not change with the change of the earth's rotation, which seriously affects the photoelectric conversion efficiency. According to calculations: if the power generation system has a deviation of 25 degrees from the solar ray angle, the radiant energy due to normal incidence will decrease by about 10%; on the other hand, Most of the traditional solar street lamp maintenance is in the state of “no one cares”, which may result in higher maintenance costs, and it is more likely that the concept of new energy and environmental protection will be greatly reduced in people's minds.

To achieve this, in order to achieve innovation and environmental protection, we must make better use of light energy to achieve two aspects. First, the battery board can automatically follow the light to overcome the non-normal incidence of daily sunlight. Second, the panel is north and south. Can automatically follow the light to overcome the seasonal change; data show that the single-axis solar tracking system can increase the power output by 25% compared with the fixed system, while the dual-axis solar tracking system can increase by about 41%;

Also, I think that if you connect every street lamp into a network, it will help better control;

Finally, if you add a billboard design next to the street light, for example, remind residents to be careful about road slips, road name, safe driving, etc. If it is placed on campus, remind students to protect the environment, cherish flowers, pay attention to hygiene, etc., which makes The design of the scheme is more humane;

The schematic is as follows:

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