With the development and progress of society, people have put forward higher and higher requests for energy. It is necessary to find the energy that can guarantee long-term enough supply and will not cause environmental contamination. One of the most fantastical new energy sources is solar power.
The solar energy shining on the earth is so great that about 40 minutes of solar energy shining on the earth is enough to supply the global human energy consumption for a year. LED street lamp it is a kind of efficient solid state light source based on semiconductor PN junction formed with weak electric energy can emit light, in a certain forward bias voltage and injection current, injected into the hole in the P region and injected into the N region of electrons in the diffusion to the active region after radiation compound and emit photons, the electric energy directly into light energy. It is a solid cold light source, with environmental protection, no pollution, less power consumption, high light efficiency, long life and other characteristics, therefore, LED street lighting will become the best choice for energy-saving transformation.
The wiring on the back of the solar panel is reverse buckle design, which can be gently pried open with a screwdriver. The wiring of the solar panel (red cap is connected to the positive pole line, black cap is connected to the negative pole line) corresponding to the positive and negative pole line separated from the black cap of the lithium integrated battery, and the wiring should be wrapped with electrical tape. It is possible to say that solar energy is truly inexhaustible and inexhaustible. And absolutely clean, no public hazard. So solar power is known as the most fantastic energy.
To obtain electricity from solar energy, it is necessary to realize photoelectric transformation by solar cells. At present, solar panels are important monocrystalline silicon, polysilicon, amorphous silicon three. Monocrystalline silicon solar cells have the highest conversion rate, which has reached more than 20%. Currently, monocrystalline silicon and polycrystalline silicon are the two important cells used in photovoltaic power generation.
The principle of power generation is completely different from that of other power sources in the past, with the following characteristics:
1, no danger of exhaustion;
2, absolutely clean, pollution-free;
3. Not subject to the limits of resource distribution areas;
4, can be in the use of electricity nearby power generation;
5, high energy quality;
To sum up, the solar street lamp is the most convenient and fantastical new light source. LED street lamp it is a kind of efficient solid state light source based on semiconductor PN junction formed with weak electric energy can emit light, in a certain forward bias voltage and injection current, injected into the hole in the P region and injected into the N region of electrons in the diffusion to the active region after radiation compound and emit photons, the electric energy directly into light energy.
It is a solid cold light source, with environmental protection, no pollution, less power consumption, high light efficiency, long life and other characteristics, therefore, LED street lighting will become the best choice for energy-saving transformation.
