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Jiangsu Bosiwei Optoelectronics Group Co.,ltd

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1.Principles of solar street lamp construction and installation

The installation site of solar street lamps should be set in a place with smooth drainage. If there is a river and a puddle within a radius of 10 meters, the water surface of the river and a puddle must be 2m below the foundation surface. No shielding around (according to the height of the installation lamps) and high-voltage lines and other dangerous goods; There are no public facilities such as cables, optical cables, drainage pipes and so on underground in the installation site.
According to the situation of the construction site, the construction personnel have the responsibility to question the unreasonableness of the installation site selection and stop the construction, and report the situation to the relevant person in charge in the first time.
Before the construction, prepare the tools needed to make the foundation of solar street lamps and select the construction personnel with construction experience; Strictly according to the solar street lamp foundation drawing to choose the appropriate cement, the soil ph high must choose the acid alkali resistance of the special cement; The fine sand and gravel shall not contain impurities such as soil which affect the strength of concrete; Excavate the pit along the road in strict accordance with the solar street lamp foundation drawing size (the construction size shall be determined by the construction personnel); After the excavation of the pit, let it sit for 1 to 2 days to see if any groundwater is leaking out.
If there is groundwater seepage, immediately stop construction; Foundation of placing drain battery compartment must add 5 x Ф 80 drain or according to your drawings. In the foundation, the upper surface of the buried cage must be horizontal (measuring and detecting by means of the level instrument), and the anchor bolts in the cage must be perpendicular to the upper surface of the foundation. The installation of solar street lamps can be carried out after the foundation of solar street lamps is qualified.


2.How does the solar lamp controller control time?

The solar street lamp controller is an important part of the solar street lamp. It has serial communication data transmission function, manages the charge and discharge of solar street lamp and remote intelligent control, and can control the time of the solar street lamp turning on and off. But a lot of people don't know how to control the time of solar street lamps when they use solar controllers. Here's how the solar street lamp manufacturers tell us.

The solar street lamp controller can control the lighting time and the lighting duration. Typically, solar street lamp controllers don't have a built-in clock, and it doesn't have a built-in clock. The lighting time is usually triggered by monitoring the current generated by solar panels. The current value is usually set to 5mA. This value can be adjusted accordingly with the use of solar panels. The new solar street lamp controller supports multi-time adjustment and control. The lighting power of LED lamps can be set in different time periods and should be adjusted according to actual needs.
The adjustment time for each solar street lamp controller is different. It has infrared interface, special data line, can adjust the network through the network. The best solution is to ask the vendor to help you before you leave the factory. Complete the operation. Solar street lamp controllers usually do not have a built-in clock, and they usually do not operate according to the clock. The lighting time is usually triggered by monitoring the current generated by solar panels. The current value is usually set to 5mA. This value can be adjusted accordingly with the use of solar panels. The new solar street lamp controller supports multi-time control. The lighting power of LED lamps can be set in different time periods and should be adjusted according to actual needs.

3.Calculation method of solar street lamp cell capacity

Today we are going to comb through the methods of calculation!

1. Premise :(1) the cycle of a single cell is the most important parameter, its life ≥ 400 times. At present, only pure ternary materials can achieve more than 300 times;
(2) Select the qualified protection plate: over-pressure (≦4.25V×3), over-current (according to the working current), short circuit, under-voltage (2.85V×3), balanced and temperature protected protection plate;
(3) The waterproof performance of the overall scheme is very important;
(4) The use of ambient temperature ≤ -20℃, lower than -20℃ to consider the use of low-temperature cell, the current ternary materials can achieve resistance to -40℃.

2. Estimated work type:
For example: 6-meter rod, 30W(watt) LED, working 6H(hour) per day, 2H/25W, 2H/20W, 2H/12W; Design life ≥ 3 years.
Estimation formula: 2H×(25W/10V= 2.5a)=5AH
2 h x (20 w / 10 v = 2.0 A) = 4 ah
+ 2 h x (12 w / 10 v = 1.2 A) = 2.4 AH
AH = 11.4 x 3 (years) = 34.2 AH
(1), W = V (U) * A (I);
(2) Rated voltage of 10V -- ternary lithium battery pack: 3.7V×3=11.1V. It is estimated to be 10V with comprehensive consideration of loss, voltage drop and other factors, as well as memory.
(3) 11.4AH×3 years: 11.4AH is the power consumption of the lamp every day. If only 11.4AH is matched, the cycle number of the cell is the life (day); Three years is the design life, but the standard cycle life of the cell and battery pack is to decay to 80% of the original battery capacity, in fact, can be used for a period of time; In practical application, the influence of environmental factors on battery life should also be taken into account, with a comprehensive compromise ×3.

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