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Why are you buying solar led street light fittings more expensive than others?


Published by Mars August 12,2019

  The solar led street light fittings consists of five major components, solar panels (stands), batteries, controllers, LED light sources and light poles. Depending on the local conditions, the configuration of these solar led street light fittings components is different. Only when combined with the actual situation, the solar led street light fittings can be guaranteed. Its lighting effect. In addition, the specific parameters of each component configuration also directly determine the price of solar led street light fittings, so in reality, there are often differences in the price of the same street lamp.

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1. Solar based led street lights controller selection:

  The solar based led street lights controller is generally made of stainless steel, which has the characteristics of good performance and durable. The charge and discharge controller is designed with light control, time control, over charge and over discharge protection as well as secondary energy saving control, and half power illumination in the specified period. If the controller is not qualified, the battery board may be burnt.

2.Solar based led street lights system configuration calculation:

  The formula for calculating the peak sunshine hours is that the peak sunshine hours = A / (3.6X365)

3. Determination of series voltage for solar based led street lights:

  The DC input voltage of the solar based led street lights source is used as the system voltage, generally 12V or 24V. When the solar module voltage is 36V, the battery voltage requirement is not less than 2/3 of the component voltage, so the voltage of the battery, controller and light source must be selected. 24V.

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4. Selection of lamps:

  The choice of luminaires mainly depends on the reflectivity, illuminance and maintenance factor. The quality of solar panel street lamps can be measured by the three indicators of road surface brightness, uniformity and glare. Road lighting quality is reflected in:

1. Brightness level: The average brightness of the road has different brightness requirements according to the road grade. Generally, the expressway and the main road require a brightness requirement of 2 cd/m2 or more, and the secondary trunk road and the auxiliary road or the residential road are relatively low.

2. Average illuminance: The average illuminance refers to the average value of all illuminances on the road surface, which is the unit of illumination intensity, generally expressed by LM.

3, glare: road lighting should strive to limit the uncomfortable glare within a certain range, generally expressed by G value, under normal circumstances, G = 7

5. Solar panel street lamps source selection:

The selection principle of the solar panel street lamps source is a light source suitable for environmental requirements, high luminous efficiency and long life. Commonly used light source types are: three primary color energy-saving lamps, traditional nano lamps, induction lamps, LEDs, etc. For the global environmental status, the most widely used solar panel street lamps source is the induction lamp light source and LED light source.

6. Battery capacity calculation for solar led street light fixture:

It is preferred to determine the storage type of battery type and battery according to the local rainy weather conditions. There are more rainy weather in the south, and the storage weather is generally 5-7 rainy days.

Battery capacity calculation formula: battery capacity = load power X day working time X storage days ÷ discharge depth ÷ system voltage, where: battery capacity unit is AH; load power unit is W; daily working time unit is H; storage days unit is D The depth of discharge is generally about 0.8, and the system voltage is V.

7. Solar panel capacity calculation for solar led street light fixture:

For solar led street light fixture, the overall system configuration formula: P = light source power X light source working time / peak sunshine hours; where P is the power of the battery component, the unit is W; the light source working time unit is H.

  The above is the relevant content of the solar led street light fixture configuration, the different configuration is not the same price.

  In this regard, solar led street light suppliers can provide you with the best configuration solution to meet your lighting requirements while ensuring you don't spend a penny.


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