Although solar street lights are not a new thing, but some friends do not know much about solar street lights, then for the newly established solar street light trading company, they do not produce solar street lights, only responsible for sales to make the difference, can you know clearly? What kind of solar street light is a good thing, how to judge the quality of solar street lights is important. For municipal engineering purchasers and contractors, it is also necessary to know clearly what the solar street lights are, and what are the advantages and benefits, because only then can we clearly know which solar street lamps are worth comparing with traditional outdoor lighting.
Solar streetlights are actually an independent power generation lighting system. It is not complicated to say that the complexity is complicated, but it is simpler and more complicated than LED street lights . The main components of solar street lamps are: solar panels (solar panels), solar panels are divided into monocrystalline silicon polysilicon, single crystal silicon is better in performance, mainly reflected in charging efficiency, the price is relatively expensive; Including light source), there are many styles of solar street lamp heads, mainly aluminum material, the core is the light source, the light source is currently using LED light source, which is divided into two kinds of high-power light source and lamp bead light source, and the brand of light source is also worthy of attention. Commonly used are Taiwan Jingyuan, American Puri, etc. Different brands symbolize different qualities and prices are different; solar street lamp batteries, batteries are also divided into several types, common are colloidal batteries, lead-acid batteries, currently used most The high-end is the lithium battery, this is mainly to see the demand, look at the region. In addition, it is the solar street light controller. The core of the system is on the controller. The good solar street light controller plays an important role in energy saving and the service life of the light source. Nowadays, the intelligent constant current controller is generally used. On the one hand, instead of the power supply function of the LED street light, on the one hand, it effectively performs multiple working modes, lighting switches, and the like. The other is the light pole. The price of the light pole depends on the material. In addition, the treatment method of the light pole is also worthy of attention. Generally, the whole hot-dip galvanizing and anti-corrosion surface treatment are used, and the pole has a service life of 20 years or more.
The above is the basic component of solar street lights, so how is a solar street light operating mode? I think everyone wants to know. Solar streetlights When there is sun in the daytime, when the sun shines on the solar panels, the solar panels will be charged, and the charging is naturally stored in the battery. When it is necessary to light up at night, the battery will release power through the inverter to supply power to the light source for normal operation. The whole process is completed by the solar street light controller. The solar controller can set the lighting time and the lighting power distribution. For example, 100% brightness in the first 4 hours of the night and 50% brightness in the last 4 hours, which is more energy-saving.
In addition, the configuration of the solar street light is also very important, and the proper configuration is important. The so-called reasonable configuration is the wattage of the light source, the power of the solar panel, and the capacity of the battery are all configured according to the demand, not to say that the bigger the better. For example, 50W solar panels, conventional charging is not enough to fill the battery of 200AH, then if the solar energy and the battery are just right, it will not cause waste of resources, in addition, 50W light source, 40AH battery is not enough to make solar street light Resist the rainy days above 2 days. All in all, solar street lights as a stand-alone system, configuration configuration is still very necessary, how to configure it?
Walking under the solar street light, we can easily find that there are some problems in the installation of solar street lights. That is, we have a very large brightness under the solar street light, and then there will be a dark area when the next solar street light is turned on; in another case, the illumination area overlaps between the two lights.
In fact, this situation is caused by the excessive light distance of the solar street light, because the illumination angle of the solar street light is related to the height of the light pole and the illumination angle of the light source. The general angle is between 60-130 degrees, so that it can be covered. If the area of ​​the dark spot is large, the distance between the two lights is slightly larger. If the area is too small and the distance is too small, you need to increase the distance between the two lights. The meaning of the distance lamp is not reflected. The distance is a waste of resources and energy, so it needs reasonable configuration.
We use solar street lights in the new countryside. The rural roads are 5-6 meters wide. We need to keep lighting for more than 4 hours as an example to make reasonable arrangements and settings for solar street lights. Generally, roads like this are either single-sided or double-sided, and the poles are 4-6 meters. This way, the entire road can be covered. If the LED30W is used, the angle can be calculated. Covering the range of illumination, the scientific calculation can be concluded that the illumination area of ​​the street lamp is about 35 meters, so the following conclusion can be drawn: the road of 5 meters wide, using solar street lights, the height of the pole is 5-6 meters, about 30W The light source, as well as the 90W solar panel and the 90AH battery (the configuration can be changed as required), is preferably spaced about 35 meters between the lamp distances.
A reasonable configuration of a solar street light can not overlap between the two lights that are not illuminated or the illumination area.
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