Solar street light purchase details
With the growing proximity of environmental protection and low-carbon life, the inherent characteristics of solar lighting, such as safety, energy saving, no consumption, green, simple equipment, automatic control, and protection-free, will bring significant advantages for the sale of properties, municipal projects directly to the construction. Today, Topsolar will bring you solar street lights related content, namely the principle of solar street lights, structural composition, advantages and disadvantages, price, and purchase details. I hope it will be helpful to you.
The principle of solar street light
With the control of the intelligent controller, solar panels absorb and convert solar power into electricity. Solar cells charge the battery pack during the day, and the battery pack supplies power to the LED light source at night to complete the lighting function. The DC controller can ensure that the battery is not damaged by overcharging or over-discharging and has light control, time control, temperature compensation and lightning protection, reverse polarity protection, and other functions.
Structure composition of solar street light
Solar street light is composed of LED light source (including driver), solar panel, battery (including battery holding tank), solar street light controller, street light pole (including foundation), and auxiliary material wire and other parts. The role of the primary components.
1, solar panels
The solar panel is the core part of the solar power system and is also the highest-value part of the solar power system. Its role is to convert the sun’s radiation talent into electricity or send it to the battery to store or promote the load’s operation. The quality and cost of the solar panel will directly determine the quality and price of the whole system.
2, solar controller
The role of the solar controller is to control the operation of the entire system, and the battery plays a role in over-charge protection and over-discharge protection. Qualified controllers should also have a temperature compensation function in places with significant temperature differences. Additional functions such as a light control switch and time control switch should be an option for the controller.
General lead-acid colloidal batteries and small miniature systems are also available nickel-hydrogen batteries, nickel-cadmium batteries, or lithium batteries. Its role is to store the electrical energy declared by the solar panel when there is light and then release it to power the street light when needed.
Benefits of solar street lights
1, convenient equipment
Solar street light equipment, no messy auxiliary lines, only a cement base, and a battery pit with galvanized bolts can be fixed, eliminating the need for utility street light construction in the messy operation procedures. Together, there are no power outages or power limitation concerns.
2, low cost
Solar street lights a capital, and long-term benefits, because the line is simple, there are no protection costs and no valuable electricity costs. 6-7 years to recover the capital, after 3-4 years to save more than 1 million in electricity and protection costs.
3, safe and reliable
As the solar street light uses 12-24V low voltage, the voltage is stable and reliable, so there is no safety danger, which is the ideal product for ecological communities and road administration departments.
4, energy saving and environmental protection
Solar street lights use the natural light source of sunlight in nature, reducing electricity consumption. And adds new selling points for the development and implementation of noble ecological communities, which can continuously lower the cost of property management and cut the price of the owners’ public share. Solar street lights are pollution-free and radiation-free, green lighting products advocated by the state.
5, long life span
Solar street light products with high technological content, the battery components are used life span of more than ten years, much higher than the life span of available electric lamps and lanterns. Such as the primary components of solar lamps and lanterns - solar cell module life expectancy of 25 years, while the uniform life expectancy of low-pressure sodium lamps is 18,000 hours, low-voltage high-efficiency trichromatic energy-saving lamps even life expectancy of 6,000 hours.
Disadvantages of solar street lights
1, low power and high cost
In the development of solar energy use, some aspects are theoretically feasible and technically sophisticated. However, there is solar energy use equipment because the power is low, the cost is high, and the economy generally can not compete with conventional power.
The total amount of solar radiation reaching the earth’s surface is large, but energy flow density is very low. Therefore, in using solar energy, getting a specific conversion power often requires a large area of collection and conversion equipment, and the cost is high.
Solar irradiance reaching a particular ground is both intermittent and extremely unstable. To make solar energy continuous, stable, and can compete with conventional power, it is necessary to solve the energy storage problem. Still, energy storage is also one of the thinner aspects of solar energy use.
The price of solar street lights
The price of solar street light and its equipment have a connection; solar street light price is mainly concentrated on the light pole, solar panel, led light source, and battery, these four parts.
1, depending on how high the customer wants the solar street light pole specifically, for example, the pole 4 meters, 8 meters, or 12 meters, this need to choose. According to the share of accounting, different light pole heights get different prices of light poles.
2, look at the price of the solar kit series. For example, the daily operation of solar kits is divided into solar street light panels, solar street light batteries, solar street light controllers, and solar battery boxes.
3, double-arm solar street light and single-arm solar street light prices are also different. Double-arm street light needs two solar panels, so that the cost will be higher. These differences are not large for some of the others, such as cable lines and foundation pre-buried ground cages. For specific prices, please refer to the following table.
Solar street light purchase details
1, LED light source
Most of the solar street lights on the market use LED light sources, and lamp beads are mainly 1W. In General, the power of a lamp bead is 1W, so we can choose the appropriate lamp beads according to the size of the space to give full play to the role of lighting.
2, Solar Panel
The solar panels of solar street lights generally have two kinds, monocrystalline and polycrystalline, and the price of monocrystalline is higher than that of polycrystalline. Many unscrupulous manufacturers will be 50w shrink into 40w assembly. The layman is very ugly. The industry without professional instruments to measure the problem is difficult to find.
Therefore, we advocate that we can measure the specification according to the scale area. The scale area of the battery plate is more significant, then the greater the power of the solar panel is bigger, and vice versa, the smaller space, you can choose a small solar panel. We can choose the right solar panel for ourselves according to this law.
The battery is an essential part of the structure of solar street lights, there are generally, lead-acid batteries, lithium batteries, and colloidal batteries can only be classified as three different varieties of use of the role of different. Now the use of more colloidal and lithium batteries, lithium battery cost is higher than the other two, so we can make a reasonable choice according to their own needs and economic capacity when choosing.
4, light pole
Solar street light poles generally consider the height and shape of two aspects. The higher the height, the higher the price will be. If the form of the pole is more complex, then the price will also be relatively increased, so we try to consider inclusively when buying, according to different places and needs to choose the appropriate height and shape.
5, the controller
Poor quality of the controller will lead to excessive discharge, and excessive discharge is the result of the lighting time can not meet the requirements. Together with the battery, it will form enormous damage.
The above is the principle of solar street lights, structural composition, advantages and disadvantages, price, and purchase details; I believe you have an understanding of solar street lights. Nowadays, energy saving and environmental protection are being promoted worldwide. Solar street lights, with their benefits of superior energy-saving effect, and no pollution of low-carbon, will be multiply chosen by people and will be the mainstream trend of future lighting projects.
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