Solar Powered Outdoor Lighting Fixtures

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When not biased, the solar cell is irradiated with white light. Measured at different load resistor R flowing through the solar battery current I and the output voltage of the solar cell U, analyze the resulting data available current I and the voltage U changes the relationship summed ISC = 0.722mA; UOC = 3.78V. Similarly, the relationship between the solar cell output power P and the load resistor R summed Pmax = 1.887mW; this time R = 5400Ω. Final calculated fill
Filling factor: FF = Pm / UocIsc = 1.887 / 3.78 * 0722 = 0.692
5.1.2 Light Effects
In the dark box, take J0 as a standard set of light intensity, in this experiment, the horizontal distance from the light source 20 cm of the light intensity as a standard light intensity, measured with a photometer where the light intensity J0. By changing the distance between the light source of the solar cell to d, to change the light intensity J. The J / J0 is a solar cell to accept the relative light intensity. By measuring Isc, Uoc and J / J0, can be drawn Isc, Uoc respectively approximate function J / J0 were presented between lines, curves single increase distribution. Seen Isc, Uoc and the relative light intensity J / J0 of
Function formula is:
5.1.3 Output power and the relationship between light intensity
By changing the light intensity, which is the change in the distance d single crystal silicon solar cell and the light source, the measurement of several different sets of output voltage and output current value, the output power can be obtained under different illumination
Rate, then get relationship between the output power and light intensity, as shown in Figure 17:
[10] 13 Output power and relative light intensity J / J0 relationship
 Figure 4-1 Scenario 2. Option 2 also uses a bionic design, developed by the martyr's mosaic and its abstract design, the flowers are white, the stems are green, which represents purity and love, gives a quiet soothing. The leaves made of hollow form, the middle is the lamp column core, so that the overall easy and simple, at night to walk on the road people a comfortable and relaxed.
Solar street lights have begun to be applied to our lives, but China's solar street lighting design research has just started. Today 's street lamp is not only a tool to provide lighting source, it also bear the city to create a night light environment; to protect people' s life and property and other important responsibility; it has a direct impact on people 's physical and mental health, quality of life. Therefore, the design of solar street lights has a very important practical significance.

Solar Light Sets Sale

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Product strong fashion sense, texture and beautiful, fine, with a modern, mainly used in decorative lighting residential green belt, green belt of industrial parks, scenic spots, parks, gardens, squares and green spaces and other places. Categories

(1) solar home lighting compared with ordinary LED lights, solar lights built-in lithium or lead-acid batteries, external

3

One or more solar panels to its charge, the charging time is generally about 8 child, up to 8-24 hours of use. Usually with charging or remote control, according to user needs of different shape.

(2) solar lights marine, aviation and land traffic lights vital role in many parts of the grid can not supply power, and solar-powered lights to resolve the problem, directional light source with small particles of LED-based. And achieved good economic and social benefits.

(3) Solar lawn light power 0.1 ~ 1W, the general use of small particle-emitting diode (LED) as the primary source. Solar panels power of 0.5 ~ 3W, can be 1.2V nickel batteries and other two batteries.

(4) Solar Landscape applied to squares, parks, green spaces and other places, the use of various forms of low-power LED light source, line source, but also the shape of the cold cathode lamps to beautify the environment. Solar landscape lights can not destroy the landscape green and get better lighting effects.
But LED street lamp metal pole should do lightning protection grounding resistance is not greater than 10Ω. 7. Battery selection according to the capacity calculation: battery capacity = light source power consumption × daily use of time / electricity voltage × continuous rainy days × 1.5 (loss factor). 8. Power calculation of the panel Wp = lamp load power × time of the lamp / local sunshine factor × 2.3.
Wuwei Vocational College Graduation Design
4 product design to achieve 4.1 design sketch 1. According to a gentleman's leaves to start the association, the gentleman's flower language is noble, elegant, gentleman of the wind Lampholders designed for the hollow to reduce the intensity of the wind to ensure that the lamp post wind resistance, the integration of the panel and the lamp design. The appearance of natural green feelings, so that people walking on both sides of the road can feel the natural atmosphere, simple structure, clear and smooth appearance, see Figure 4-1.

Solar Powered Garden Lamp

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Third, the technical performance
1. Input voltage: three-phase four-wire AC380V ± 10% 50Hz
2. Work environment: temperature -10 ℃ ~ + 40 ℃, relative humidity <85% (25 ℃), altitude <4000m
3. Installed capacity: <1.5kVA
Fourth, the basic configuration
(A) multifunction lighting motion platform
1. Stainless steel frame (metal processing electroplating process): Structure beautiful, no dust does not stick ash, clean and hygienic
2. radiation angle adjustment mechanism: Analog sunlight at different times of the radiation angle adjustment range: -30 ° ~ 225 °
3. The radiation intensity adjustment mechanism: Feasts simulate different solar radiation intensity
4. illumination detector: Real-time detection of illumination change under different circumstances
(B) The system bench
1. Intelligent solar controller. Intelligent control battery charging and discharging; effectively improve system stability prolong battery life
2. High-performance maintenance-free lead-acid batteries
3. Smart AC and DC digital voltmeter; measuring range, 0 ~ 500V
4. Smart AC and DC digital ammeter; measuring range, 0 ~ 5A
5. Equipped with two kinds of fixed and adjustable load
(C) the system control cabinet
1. Intelligent power collection module: real-time collection and analysis of each power line running and harmonic parameters
2. The single-phase meter: measuring the actual output power of solar stand-alone systems
3. The off-grid inverter: a number of protection, running more secure and stable
4. Grid Inverter: automatically track the maximum power
5. The use of advanced industrial control machine as a miniature tablet PC
Five pilot projects
Wuwei Vocational College Graduation Design
The battery pack is only 365Pa wind pressure. Therefore, the component itself is fully able to withstand 27m / s wind speed without damage. Therefore, the design of the key to consider is the battery module bracket and pole connection. 5.LED lamp matrix size according to the required lighting time LED lights daily working hours should be the same as the general requirements of the work of the street, the design should consider the winter sunshine time is short, its working hours should be able to 12 hours. As the LED lights affected by the weather larger, in case of continuous rainy days to make LED lights lack of electricity and can not be used. In the design should take full account of the capacity of solar panels and batteries. 6. Lightning protection LED street lamp operating voltage is generally 12V or 24V, is a safe voltage, do not do electrical protection grounding.

Deck Solar Lighting

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5. Provide a variety of applications experiment: solar lights, solar warning lights and solar wireless weather stations.

Third, the technical performance

1. Input power: three-phase four-wire AC380V ± 10% 50Hz

2. Capacity: <1000VA

3. Working environment: temperature -10 ℃ ~ + 40 ℃ Relative humidity <85% (25 ℃) Altitude <4000m

Fourth, the pilot project

1. Solar photovoltaic panels energy conversion

2. Solar panels load characteristic test

3. Environmental impact of photovoltaic conversion

The solar photovoltaic system directly load test

5. The solar controller works

6. The controller of the battery overcharge protection

7. The controller of the battery over-discharge protection

8. A solar photovoltaic system electrical load test

9. The principle of solar street junction solar lights

10. Solar street light

11. The principle of solar warning lights

12. Solar warning light wiring

13. Solar Wireless Weather Station works

14. Solar Wireless Weather Station Terminal

15. Solar Wireless Weather Station radiocommunications

Solar Light Tree

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On the application of solar energy in the field of agriculture
Solar applications in the field of agriculture and has broad prospects for industrialization. Currently, many solar products has played an integral role in agricultural production. From the current market situation, mainly the following categories: a solar insecticidal lamps
Compared to traditional pesticides, the biggest advantage of solar insecticidal lamps to replace pesticide use less pesticide, to ensure food safety. At the same time, such products on the market already has time and space, rain control, light control, all-weather intelligent management and other functions, which greatly facilitates the farmers pest control. Second, the new solar ecological agriculture greenhouses
This technology solar photovoltaic systems, solar thermal systems and new nano bionic conversion film technology combines a traditional greenhouse grafted to achieve incredible results. For example, technology transfer film according to the different plants absorb different wavelengths of light on the growth of demand for wavelength conversion of sunlight through the transfer film for crops more easily absorbed, improves the efficiency of photosynthesis. The new agricultural greenhouses fully achieve energy self-sufficiency, both energy-saving and environmental protection, and easy to maintain, compared to traditional large
Shed, there are low-cost, quantity and quality of agricultural products are high advantages.
Third, solar photovoltaic farms
This is a modern clean energy projects combined with traditional breeding career in farm roof construction of photovoltaic power plants, to transform and upgrade traditional livestock breeding industry and to provide a new attempt of green energy, while its promotion and popularization can also upgrade The new level of energy utilization play an active role.

Portable Solar Panel

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Battery board assembly: before assembling the battery plate bracket and transported to the nearby light pole base, the battery plates with screws on the shelf, according to the requirements of the line and tandem junction solar panels, wiring test after the close finish, ensure that the voltage Annexed installation requirements.
Normal weather conditions: 12V battery system board system test voltage can not be lower than 18V, 24V battery system board test voltage can not be lower than 36V. If less than the voltage required to check whether the board meets the requirement.
Also, pay attention to the following points during the installation process:
1, LED lights should be installed on a sunny day, rainy day installation if, after lighting not only consumes the charge, will not meet the design requirements.
2, installing the day should not be lit. Many engineering companies rush to see the lighting effects, the installation will finish the night lights. Because the new battery is not fully charged at the factory time, if installed on the lights, it is less than the design of the rainy day.
The correct approach is, after the installation is complete, connect the controller, but does not take the load, the next day after day electric charge, the evening followed by a load, so that the battery capacity can reach a higher level. Of course, doing so will increase the part of the labor costs.