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Explain the heat problem of led solar street lights

Explain the heat problem of led solar street lights

2019-03-13

There are many led solar street lights on the road. Every night they will work silently to bring us light, but they will also be tired. After a long time of work, they will heat up. At this time, heat is needed. What is the way of cooling the led solar street light?

As for the technology of LED solar street heat dissipation, the heat conduction board is generally a 5mm thick copper plate. In fact, it is a uniform temperature plate, which heats the heat source. It also has a heat sink to dissipate heat, but the weight is too large. The weight is very important in the street lamp system. Generally, the installation of the lamp head is more than six meters high. If the weight is too high, the danger will be relatively increased. Especially in the case of earthquakes and typhoons, it is very likely to cause accidents. Things. Recently, some domestic manufacturers have begun to adopt the world's first needle-shaped heat dissipation technology. The efficiency of heat dissipation of the needle-shaped heat sink is much better than that of the traditional chip radiator, which can make the junction temperature lower than the ordinary radiator by 15 °C or more. And the waterproof performance is better than the ordinary aluminum profile radiator, and also improved in weight and volume.

In the field of solar power generation, led solar street lights have a very important position. The led solar street light system adopts the form of “photovoltaic + energy storage” and is a typical independent solar power generation system. During the day, the sunshine is sufficient for photovoltaic cells to generate electricity, to charge the battery, to discharge the battery at night, and to provide electrical energy to the street lamps. In actual use, if there is no reasonable control on the battery, the charging method is improper, overcharge and overdischarge will affect the battery life. In order to reduce the protection cost, the battery is charged in a most efficient way. Of course, the discharge is reasonable. of.

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