Introduction of solar garden lights

Solar garden lights use solar radiant energy as energy. Solar panels are used to charge the battery during the day, and the battery powers the courtyard light source at night. There is no need for complicated and expensive pipeline laying. The layout of the lights can be adjusted arbitrarily, which is safe, energy-saving and pollution-free, charging and opening. The /off process adopts intelligent control, light-controlled automatic switch, no manual operation, stable and reliable work, saving electricity bills, and maintenance-free.

Garden lights generally have low power, and typical lamp holders are 6w and 9w. By increasing the current, it can achieve 12w power.

It is composed of solar cell modules, brackets, light poles, lamp holders, special bulbs, batteries, battery boxes, ground cages, etc. made of monocrystalline silicon or polycrystalline silicon. The lamp holder is colorful, colorful, chic and elegant, and the solar garden lamp can make courtyards, parks, playgrounds, etc. picturesque. The product can continuously illuminate for about 4-5 days every time it is fully charged, and it can work for 8 to 10 hours a day. It can also be designed according to the special requirements of users.

*Main material: The light pole is of all-steel structure, and the overall hot-dip galvanizing/plastic spraying treatment

*Solar cell module: crystalline silicon 15-80WP (configured according to load)

*System working voltage: DC 12V-24V

*Controller: special controller for solar lamps, light control + time control

*Energy storage battery: fully enclosed maintenance-free lead-acid battery 15V20Ah-80Ah

*Light source type: energy-saving high-power integrated LED, rare earth high-efficiency energy-saving lamps

*Protection level: IP65

*Using temperature: -30 degrees to 70 degrees, wind resistance ≥150Km/h

*Lighting time: adjust as needed

*Light pole height: made according to needs

*Guaranteed rainy days: can work continuously for more than 15 rainy days (different regions/seasons) (can be made as required)

No need to lay underground cables, no need to pay for lighting electricity. The key components used in solar garden lights, solar panels, solar DC street light intelligent controllers, maintenance-free batteries, and lighting fixtures are all certified by the National Development and Reform Commission/GEF/World Bank for photovoltaic products. It is mainly suitable for the lighting of urban roads, residential squares, industrial parks, tourist attractions, park green belts and other places.

The solar panel receives light to realize photoelectric conversion and generate direct current, and then through the controller to charge the battery, the battery stores electric energy. At night, the battery is automatically discharged through the controller and starts to work without manual management.

Lighting and decoration of urban roads, commercial and residential communities, parks, tourist attractions, squares, etc. The commercial lighting system in the above-mentioned places can also be transformed into a solar lighting system according to user needs.

Solar garden lights mainly rely on solar panels to generate electricity. The electrical energy is stored in the battery through the solar controller. There is no need for manual control. It can automatically turn on and off according to the light level regardless of spring, summer, autumn and winter. All charging, discharging, opening and closing are complete. Complete intelligent and automated control. The photoelectric conversion rate of the solar panel under good light conditions can reach 16%, and the service life can reach 30 years; the solar street light controller adopts the integrated design of light control + time control, waterproof and cold protection, which greatly reduces the failure rate; the light source adopts solar courtyard Special LED light source for lamp, high luminous efficiency, actual service life is more than 50,000 hours; lamp body is welded with Q235 high-quality steel, the surface is galvanized and sprayed, anti-corrosion treatment, no rust, aging resistance, smooth surface, wind resistance greater than 9 .

Garden lights are decorative products. The design style is simple and fashionable, or classical and romantic, or luxurious and luxurious, or exquisite and elegant. The structure is simple and generous. It can not only show the characteristics of classical architectural culture, but also show the popular and fashionable city style in many aspects. Whether it is modern or classic architectural environment, there is a reason for him. Classical but not old-fashioned, heavy but not lacking in vitality, fashionable but not floating, elegant and yet stable and important, it is of great value for viewing and use.

Garden light series lighting is a commonly used form of decoration and lighting source configuration in garden scenic spots, cultural and recreational squares, pedestrian streets, commercial streets, residential quarters, and both sides of the carriageway. It is a decorative lighting product. The pole material is diverse, the light source is used flexibly, and the structure is in various forms. It is an organic combination of beautification, lighting, and greening, and the perfect crystallization of light and shadow, light and art.


advantage

Long life
The semiconductor chip emits light, no filament, no glass bubble, not afraid of vibration, not easy to break, and the service life can reach 50,000 hours (the service life of ordinary incandescent lamps is only 1,000 hours, and the service life of ordinary energy-saving lamps is only 8,000 hours)

Healthy light
The light does not contain ultraviolet rays and infrared rays, and does not produce radiation (normal light rays contain ultraviolet rays and infrared rays)

Green
It does not contain harmful elements such as mercury and xenon, which is conducive to recycling and utilization, and does not produce electromagnetic interference (ordinary lamps contain elements such as mercury and lead, and electronic ballasts in energy-saving lamps will cause electromagnetic interference)

Protect eyesight
DC drive, no stroboscopic (ordinary lights are driven by AC, so stroboscopic will inevitably occur)

High light efficiency
90% of the electric energy is converted into visible light (80% of the electric energy of ordinary incandescent lamps is converted into heat energy, and only 20% of the electric energy is converted into light energy)

Safety factor
The required voltage and current are small, the heat is small, and there is no safety hazard. It can be used in dangerous places such as mine

Low-voltage, DC power supply, battery or solar power supply is sufficient, and can be used in remote mountainous areas and outdoor lighting and other places with lack of electricity. The unique LED lampshade enables solar lamps to achieve a perfect combination of functionality and decoration. The patented battery protects the electrical compartment, which is not only beautiful and generous, but also protects the various devices in the electrical compartment from human damage. It has a unique anti-theft function and strengthens the safety of the lamp itself.


In the design of solar garden lights, many factors are involved in the light source, solar battery system, and battery charge and discharge control. Any problem in any of these links will cause product defects.

The solar garden light is composed of solar panels, solar charge and discharge controllers, solar energy storage batteries, loads, and lamp housings.

Folding solar panels
The main function of solar panels is to convert light energy into electrical energy. This phenomenon is called the photovoltaic effect. Among many solar cells, the most common and practical ones are mainly monocrystalline silicon solar cells, polycrystalline silicon solar cells and amorphous silicon solar cells. In the eastern and western regions with sufficient sunlight, it is better to use polycrystalline silicon solar cells. Because the production process of polycrystalline silicon solar cells is relatively simple, the price is lower than that of monocrystalline silicon cells, and the conversion efficiency has been continuously improved in recent years. In southern regions where there is a lot of sunlight on cloudy and rainy days, it is better to use monocrystalline silicon solar cells, because the electrical performance parameters of monocrystalline silicon solar cells are relatively stable. Amorphous silicon solar cells are better when indoor sunlight is very weak, because amorphous silicon solar cells have relatively low requirements for sunlight conditions.

Solar cells have five major electrical performance parameters:

1. Isc is the short-circuit current

2. Im is the peak current

3. Voc is the open circuit voltage

4. Vm is the peak voltage

5. Pm is the peak power

Note: Pm is the peak power = Im is the peak current × Vm is the peak voltage.

For a monolithic solar cell, it is a PN junction. In addition to generating electricity when sunlight shines on it, it also has all the characteristics of a PN junction. Under standard light conditions, its rated output voltage is 0.48V. The solar cell components used in solar lighting fixtures are composed of multiple solar cells connected together.

Folding solar charge and discharge controller
Regardless of the size of the solar lamp, a good performance charging and discharging control circuit is indispensable. In order to prolong the service life of the battery, its charging and discharging conditions must be restricted to prevent the battery from overcharging and deep discharge. In addition, because the input energy of the solar photovoltaic power generation system is extremely unstable, the control of battery charging in the photovoltaic power generation system is more complicated than the control of ordinary battery charging. For the design of solar lamps, success and failure often depend on the success and failure of the charge and discharge control circuit. Without a good performance charge and discharge control circuit, it is impossible to have a good performance solar lamp. The charge and discharge controller must have the following characteristics:

1. Anti-recharge control

2. Anti-overcharge control

3. Anti-over-discharge control

4. Temperature compensation

Solar energy storage battery
Because the input energy of the solar photovoltaic power generation system is not stable enough, it generally needs to be equipped with a battery system to work, and solar lamps are no exception, and a battery must be configured to work. Generally, there are lead-acid batteries, Ni-Cd batteries, and Ni-H batteries. The choice of their capacity directly affects the reliability and price of the system. The selection of battery capacity generally follows the following principles: First, on the premise of meeting night lighting, store the energy of solar cell components during the day as much as possible, and at the same time, it must be able to store the electrical energy that can meet the lighting needs of continuous rainy days at night. The battery capacity is too small to meet the needs of night lighting or continuous use; the battery capacity is too large, and the battery panel cannot provide sufficient charging current, the battery is often in a state of power loss, which affects the battery life and causes waste at the same time.

load
Solar lighting products have the advantages of energy saving and environmental protection, of course, the load should be energy saving and long life. We generally use LED lamps, 12V DC energy-saving lamps and low-pressure sodium lamps.

Most lawn lights use LED as the light source. The LED has a long life span, which can reach more than 100,000 hours, and the working voltage is low. It is very suitable for solar lawn lights.

Garden lights generally use LED lights or 12V DC energy-saving lamps. The voltage of the DC energy-saving lamps is DC, without inverter, which is convenient and safe.

Street lamps generally use 12V DC energy-saving lamps and low-pressure sodium lamps. Low-pressure sodium lamps have high efficiency but are relatively expensive, and are less used.

LED lamp housing
Between aesthetics and energy saving, most of them choose energy saving. The appearance of the lamp should not be very demanding, and it should be relatively practical.

In summary, when choosing a solar garden lamp that suits you, in addition to the energy-saving and environmentally friendly features of the product itself, the stability of the product and the economics of the product should also be considered.