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Yangzhou Aladdin Lighting Co.,Ltd

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solar street light price Solar Street Light

General description Solar energy is green environmental source which is unlimited, clean and pollution-free and reproducible. Photovoltaic energy, which generates power from solar energy, is considered as one of the most important new energy in 21st century. It has incomparable cleanliness, high...

    Product Details

    General description
    Solar energy is green environmental source which is unlimited, clean and pollution-free and reproducible. Photovoltaic energy, which generates power from solar energy, is considered as one of the most important new energy in 21st century. It has incomparable cleanliness, high security, relative universality and adequacy of energy, long lifespan, maintenance-free and other advantages which are not owned by conventional energy.  
    Working principle
    Solar energy is unlimited clean energy. Solar street lights make the most use of the unlimited energy. Electricity is gained and stored from sun. It is good for the Earth and there is no pollution. Solar street lights transform natural energy of sun into power and store it in accumulator through solar panel. Accumulator provides electricity automatically to light the light. When the light is lit, timer begins to time. The light will go out after a specific period of time. When sunlight falls on the panel in the daytime, panel transforms light energy into electric energy through special controller and it is stored in accumulator. When accumulator’s voltage rises to fixed voltage, controller will stop charging to prevent overcharge. When it becomes dark in the evening, the light will light automatically because of controller’s light-control function. Controller can set time, so people can set the time of lighting the light according to requirements. When accumulator’s power reduces to certain voltage, controller will stop supplying power to prevent overfall. It can protect accumulator and extent accumulator’s useful life. When the sunlight is sufficient, accumulator can have enough power. Accumulator can also supply power on rainy days so lights can work normally.
    Solar module
    1. Lifespan: 20-25 years
    2. Solar module adopts high-transmittance and low-iron tempered glass. Back side adopts white TPT or PET substrate.
    3. Imported mono-crystalline solar cells are adopted and the average conversion rate is over 16%.
    4. Component’s border: it is made of anodized high-quality aluminum alloy. The thickness of surface alumina film is 25um. 
    5. Tempered glass: component’s surface glass is low-iron tempered glass(iron content is less than 0.02%). Thickness: 3.2mm; transmittance>92%
    6. Sealing material: it is sealed by imported anti-aging and good weather resistant high-quality material. It will not age or crack between -50℃ and 50℃
    7. Dust-proof junction box: high-quality material is used to make junction box’s shell and inner insulating material. Galvanized copper electrode material is used to make terminal. It has good leakproofness, waterproofness, salt resistance and moisture resistance.
    Solar light’s intellectual controller   
    1. SCM and special software are used to realize intellectual control. It makes use of specialty of accumulator’s discharge rate to discharge accurately. Final discharging voltage is that the correctional control point in the discharge rate curve eliminates simple inaccuracy and conforms to inherent characteristic. So different discharging rate has different final discharging voltage.
    2. It can automatically control overcharge, overfall, electronic circuit, overload protection and others. The above protection doesn’t damage any unit or burn fuse. 
    3. The controller can underrun under full-power or half-power mode. According to customers’ requirements, it can realize arbitrary power within limits. Accumulator’s working time is increased to ensure that lights can still work normally under the condition of successive 5-6 rainy days. 
    4. Tandem PWM main charging circuit is adopted. Compared with using diode to charge, it reduces the voltage loss of charge circuit by almost half. Charging efficiency of PMW is 3%-6% higher than others and it increases the time of using electricity. Automatic floating charge control prolong system’s life span.
    5. Combine hardware and software to ensure underrun under steady current and voltage. It prolongs load’s life span and ensures load’s working efficiency.
    6. All controllers adopt industrial chip, so they can work freely in cold and wet conditions. Crystal oscillation timing control is adopted and it can timing control accurately.
    7. Potentiometer’s set-point of adjustment and control is canceled. Flash storage is used to record all kinds of working set-point and makes setting digital. Potentiometer’s vibration offset and drift cause control point to appear error and reduce accuracy and reliability, however, these factors are eliminated.     
    Gel battery 
    Gel battery belongs to a developmental classification of lead-acid accumulator. At first, gel battery is different from conventional lead-acid battery in electrolyte gel, but now they are different in researches of electrolyte infrastructure’s electrochemical characteristics, also in application and promotion of grid and active material. The main feature is that better battery is made following the way of 150-year lead-acid battery industry with lower cost. Its specific energy and specific power is 20% bigger than conventional lead-acid battery. Also, its life span is twice as long as conventional lead-acid battery. It has better high-temperature and low-temperature performance. 
    Pole’s base
    To prevent moisture and access free maintenance, our pole’s base includes accumulator and controller. It can solve the problems caused by conventional buried accumulator. Pole’s base is sealed by hex screw and this can guard against theft.
    Material characteristics
    ◎Light pole: 6-8m high(optional), a full range of steel products are sprayed with outdoor high-quality steel powder after being hot-dip galvanized
    ◎Adaptive light source: low voltage energy-saving lights, ceramic metal halide light, 5-20w LED light source(recommended)
    ◎Solar panel: 30-60w, imported single/ polycrystalline silicon solar modules with high conversion rate are adopted and power is enough.
    ◎Storage battery: high-performance gel battery or fully sealed lead-acid battery
    ◎Controller: solar specific controller, microcomputer chip, digital circuit intellectual control. Light control, timing, overcharge, overfall and lightning-proof protection are included
    ◎Performance: in the case of being fully charged, it can continuously work for 6-8 days in rainy days 
    ◎Applicable scope: time of annual sunshine is more than 2200 hours
    Special instruction 
    ◎Foundation is made according to the drawing we offer additionally.
    ◎Guarantee the light body to be grounded safely when installing
    Product features
    ◎Height of light source from the ground: 6-8m
    ◎Applicable light source: LED
    ◎Solar cell: high conversion rate monocrystalline/ polycrystalline silicon solar module  
    ◎Storage battery: fully sealed and maintenance-free lead-acid battery/ lithium battery
    ◎Control system: microcomputer intellectual control
    ◎Lighting time: 8-10h
    ◎Applicable area: the time of annual sunshine is more than 2200 hours
    ◎Ambient temperature: -20~60 degrees
    Our service:
    1. We just provide good-quality products
    2.We are sure to give you the most favorable price
    3.We have professional engineers to design and develop new LED light  
    according to your requirements
    4.We can use your logo and label on our products
    5.Your inquiry will be replied in 10 hours

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