How much does a solar street light cost?What battery to use?

Dec 2021

How much does a solar street light cost?What battery to use?

The China solar led street light system refers to a set of independent distributed power supply system that constitutes the led solar street light. It is not restricted by geographical area, not affected by the power installation location, and does not need to excavate the road for wiring and pipe buried construction. It is very convenient for on-site construction and installation, does not require power transmission and transformation systems, does not consume city power, and is environmentally friendly and energy-saving , The comprehensive economic benefits are good, especially for the added solar street lights on the built roads is very convenient.

1. Overview of led solar street lights:
Solar street lights are powered by crystalline silicon solar cells, maintenance-free valve-regulated sealed batteries (gel batteries) store electrical energy, ultra-bright LED lamps are used as light sources, and are controlled by intelligent charge and discharge controllers, which are used to replace traditional public power lighting. Street lights, no need to lay cables, no AC power supply, no electricity bills; use DC power supply, control; have the advantages of good stability, long life, high luminous efficiency, easy installation and maintenance, high safety performance, energy saving and environmental protection, economical and practical, etc. It is widely used in urban main and secondary arterial roads, communities, factories, tourist attractions, parking lots and other places. The following editor will introduce to you the general cost, working principle, components, advantages, parameters, installation steps, and selection methods of solar street lights.

The China Led solar street light system is composed of eight elements. That is, solar panels, solar batteries, solar controllers, main light sources, battery boxes, main lamp holders, light poles and cables.

2. How much does solar street light cost?
How much is the price of a solar street lamp? A solar street lamp is composed of battery panels, lamp holders, light poles, batteries, controllers and other main parts. The quality of components, the size of the battery panels, and the size of the battery are the main factors affecting the price of solar street lights. Therefore, the price is not fixed, it needs to be determined according to the specific configuration, and the commonly used ones are generally around 1000-6000.

3.the working principle of solar street lights
Description of the working principle of solar street lights: solar street lights during the day are under the control of the intelligent controller, the solar panels absorb solar light and convert it into electrical energy through the sunlight The light source is powered to realize the lighting function. The DC controller can ensure that the battery pack is not damaged due to overcharging or overdischarging. At the same time, it has functions such as light control, time control, temperature compensation, lightning protection, and reverse polarity protection.

4. the components of solar street lights
1. Solar panels

The solar panel is the component that supplies energy to the solar street lamp. Its function is to convert the sun’s light energy into electric energy and transmit it to the storage battery for storage. It is the most valuable part of the solar street lamp. The solar cell mainly uses monocrystalline silicon as the material. Solar photons and light radiant heat are what drive and affect the movement of PN junction holes and electrons in solar cells, which is also known as the principle of photovoltaic effect. Nowadays, the power of photoelectric conversion is about the power of photovoltaic cells is about monocrystalline silicon 13 %-15%, polysilicon 11%-13%. Now the latest technology also includes photovoltaic thin film batteries.

china solar led street light

2. Battery

The battery is the power storage of the solar street lamp, and the collected power is supplied to the street lamp to complete the lighting. Because the input energy of the solar photovoltaic power generation system is extremely unstable, it is usually required to be equipped with a battery system to work, usually lead-acid batteries, Ni-Cd batteries, Ni-H batteries, the selection of battery capacity usually follow the following guidelines: First, on the premise of satisfying the night lighting, store the energy of the solar cell components during the day as much as possible, and at the same time, it must be able to store the energy that meets the lighting needs of consecutive rainy days at night. Electrical energy.

100 watt led solar street light

3. Control the inverter
The existence of the solar manipulator directly affects the life of the system, especially the life of the battery. The manipulator uses an industrial-grade MCU as the main controller. After measuring the ambient temperature, the voltage and current of the battery and solar cell components are measured. Check and judge, control the registration and shutdown of MOSFET equipment, to achieve various control and protection functions.
4. LED light source
What kind of light source the solar street lamp chooses is the main goal of whether the solar lamp can be used normally, usually low-voltage energy-saving lamps, low-pressure sodium lamps, induction lamps, LED light sources are used for solar lamps, and some use high-power LED light sources.
5. Light pole and light stand
The street light pole device supports LED street lights.

5. the advantages of solar street lights
1. Energy saving:
Solar street lights use natural light sources in nature to reduce electrical energy consumption;
2. Security:
Mains lighting street lights may have safety hazards due to various reasons such as construction quality, material aging, power supply failure, etc. However, solar street lights do not use AC power, but use batteries to absorb solar energy and convert low-voltage DC into light energy, which does not exist. Security risks;
3. Environmental protection:
Solar street lights are pollution-free and non-radiation, and conform to modern green environmental protection concepts;
4. High-tech content:
Solar street lights are controlled by intelligent controllers, which can automatically adjust the brightness of the lights according to the natural brightness of the sky within 1d and the brightness that people need in various environments;
5. Durable:
At present, most of the production technologies of solar cell modules are sufficient to ensure that the performance does not decline for more than 10 years, and solar cell modules can generate electricity for 25 years or longer;
6. Low maintenance cost:
In remote areas far away from towns, in order to maintain or repair conventional power generation, power transmission, street lights and other equipment, the cost is very high. Solar street lights only require periodic inspections and very little maintenance workload, and their maintenance costs are less than conventional power generation systems;
7. Building blocks of installation components:
The installation is flexible and convenient, which is convenient for users to choose and adjust the capacity of solar street lights according to their own needs;
8. Independent power supply:
The off-grid solar street lights have the autonomy and flexibility of power supply.

6. The parameters of KITOZER solar street lights
1. Main material: the light pole is of all-steel structure, and the overall hot-dip galvanizing/plastic spraying treatment;
2. Solar cell components: crystalline silicon 15-80WP (configured according to load);
3. System working voltage: DC 12V-24V;
4. Controller: special controller for solar lamps, light control + time control, intelligent control (the light is turned on at dark, and the light is turned off at daybreak);
5. Energy storage battery: fully enclosed maintenance-free lead-acid battery 12V20Ah-100Ah (according to load configuration);
6. Type of light source: energy-saving high-power integrated LED, rare earth high-efficiency energy-saving lamps (can be configured according to customer requirements);
7. Protection level: IP65;
8. Operating temperature: -30 degrees to 70 degrees, wind resistance ≥150Km/h;
9. Lighting time: 4 to 14 hours (adjustable according to needs);
10. Light pole height: 2 meters to 4 meters (can be made according to customer requirements).

7. the installation steps of solar street lights
(1) Foundation pouring
1. Determine the position of the standing lamp; survey the geological conditions. If the surface of the ground is soft soil at 1 m2, the excavation depth should be deepened; at the same time, confirm that there are no other facilities (such as cables, pipes, etc.) below the excavation position and that the top of the street lamp is not long Time to shade the object, otherwise the position should be changed appropriately;

2. Reserve (excavate) a 1m3 pit that meets the standard at the position of the vertical lamp; carry out positioning and pouring of the embedded parts, the embedded parts are placed in the center of the square pit, one end of the PVC threading pipe is placed in the middle of the embedded parts, Put the end in the storage place of the battery, pay attention to keep the embedded parts, the foundation and the original ground on the same level (or the top of the screw is on the same level as the original ground, depending on the site needs), and one side must be parallel to the road. Ensure that the rear end of the light pole is upright and not skewed, and then cast and fix it with C20 concrete. During the pouring process, the vibrator should not be stopped to vibrate to ensure the overall compactness and firmness;

100 watt led solar street light

3. After the construction is completed, clean up the remaining mud on the positioning plate in time, and clean the impurities on the bolts with waste oil;

4. During the concrete solidification process, watering and curing should be done regularly; the chandelier can only be installed after the concrete is completely solidified (generally more than 72 hours).
(Two), battery assembly installation
1. Before connecting the output positive and negative poles of the solar panel to the controller, measures must be taken to avoid short-circuiting;
2. When connecting the solar cell module and the bracket, it must be firm and reliable;
3. The output wires of the components should be avoided exposed and fastened with cable ties;
4. The orientation of the battery assembly should face due south, whichever is the direction of the compass.
(Three), battery installation
1. When the battery is placed in the control box, it must be handled gently to prevent damage to the control box;
2. The connecting wires between the batteries must be bolted on the terminals of the batteries and copper gaskets should be used to enhance conductivity;
3. After the output line is connected to the battery, it is forbidden to short-circuit under any circumstances to avoid damage to the battery;
4. When connecting the output wire of the battery to the controller in the telegraph pole, it must pass through a PVC threading pipe;
5. After the above is completed, check the wiring of the controller to prevent short circuits. Close the door of the control box when it is normal.
(4) Lamp installation
1. Fix the components of each part: fix the solar panel on the solar panel bracket, fix the lamp head to the arm, then fix the bracket and the arm to the main pole, and pass the connecting wire to the control box (battery box);
2. Before lifting the lamp pole, first check whether the fasteners of each part are firm, whether the lamp holder is installed correctly, whether the light source is working normally, and then whether the simple debugging system is working normally, loosen the solar panel connection line on the controller, and the light source works;
3. When lifting the main light pole, pay attention to safety precautions, and the screws are absolutely fastened. If the component's sun-facing angle is deviated, you need to go up and adjust its sun-facing direction to completely face south;
4. Put the battery into the battery box, and connect the connecting wire to the controller according to the technical requirements; first connect the battery, then the load, and then the solar panel; pay attention to the wiring and the terminal marked on the controller during the wiring operation It cannot be connected wrongly, the positive and negative polarities cannot collide, and cannot be connected reversely; otherwise the controller will be damaged;
5. Check whether the system is working properly; loosen the solar panel connection line on the controller, the light is on, connect the solar panel connection line, and the light is off. At the same time, carefully observe the changes of the indicators on the controller. Everything is normal before it can be sealed. control box.
8. How to choose solar street lights:
1. LED light source: Solar street lights generally use LED light sources, and often use 1W high-power lamp beads. Generally, the power of one lamp bead is 1W, and how many lamp beads are how many watts;
2. Solar panels: solar street light panels generally use monocrystalline and polycrystalline, and the price of monocrystalline is higher than that of polycrystalline. Generally, customers do not have professional measuring instruments to purchase. It is recommended to use the size and area to measure and measure, the larger the size and area , The larger the panel size is proportional to the power of the panel;
3. Batteries: Solar street lamp batteries are generally divided into three types: lead-acid batteries, gel batteries and lithium batteries. Currently, colloidal and lithium batteries are commonly used. The cost of lithium batteries is higher than that of colloids, and the cost of colloids is higher than that of lead-acid batteries;
4. Light pole: The height, shape and parameters of the light pole are mainly considered. The higher the height of the light pole, the higher the corresponding parameters and the higher the price. The more complicated the shape of the light pole, the higher the price.
Nine, general lighting street lights have safety hazards:
General lighting street lamps bring many hidden safety hazards due to the construction quality, the transformation of landscape engineering, the aging of materials, the abnormal power supply, and the conflict between water and electricity pipelines.
10. Summary
It is important to know that solar street lights have no hidden safety hazards. They are ultra-low voltage products and are safe and reliable in operation. Other advantages of solar street lights are green and environmental protection. They can add new selling points to the development and promotion of noble ecological communities, continuously reduce property management costs, and reduce public ownership by owners. Share part of the cost. As the society develops faster and faster, the use of solar street lights is becoming more and more widespread.

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