I. Introduction
As a kind of environmentally friendly and energy-saving lighting equipment, solar street lights are getting more and more attention and application. customized solar powered led street lights are not only able to use solar energy for charging, but also can provide light at night. However, whether the solar street light can light up normally when the solar cell fails has become a problem worth exploring. Understanding the causes and solutions of solar cell failure is of great significance to ensure the normal operation of street lights.
II.Working principle of solar street light
2.1 Basic Composition
The basic components of solar street light include solar battery, energy storage battery, LED light source, controller and bracket.
2.2 Analysis of photoelectric conversion process
The solar cell is a device that converts solar energy into electricity through the photoelectric conversion principle. The process can be divided into three steps:
① Absorption of sunlight: the silicon material on the surface of the solar panel can absorb photons from sunlight. When the photons interact with the silicon material, the energy of the photons excites the electrons in the silicon material to a higher energy level.
② Charge Separation: In silicon materials, the excited electrons separate from the nucleus to form negatively charged free electrons, while the nucleus forms positively charged holes. This separated state generates an electric field.
③Current generation: when the electrodes at the ends of the solar panel are connected to an external circuit, the electrons and holes will start flowing, forming an electric current.
2.3 Role and function of solar cell
① Charging function: solar cells are able to convert solar energy into electricity and store it in the energy storage battery by charging.
② Environmental protection and energy saving: The working process of solar cells does not produce any pollutants, which is a green and environmentally friendly energy device.
③Economic benefits: Although the initial investment of solar cells is high, the cost of solar cells gradually decreases with the continuous development of technology.
④Independent power supply: Solar cells can work independently and do not depend on external power supply. This allows solar street lights to be used in areas or places where there is no traditional power supply, greatly improving their applicability and flexibility.
After understanding the basic structure of solar street lights, we can know that in the event of a solar cell failure, street lights cannot function properly. Therefore, as professional decorative solar street lights manufacturers, we provide you with professional knowledge for your reference.
Resources | Quick Screen Your Solar Street Lights Needs
III. Possible Causes of Solar Cell Failure
3.1 Battery aging and damage
The longer a solar panel is used, the shorter its lifespan will be. Prolonged exposure to sun, wind and rain, as well as temperature changes can lead to battery aging and damage.
3.2 Dust and Pollutant Accumulation
Solar panels exposed to the outdoor environment for a long period of time can reduce the efficiency of light transmission and absorption due to the accumulation of dust, sand, leaves and other debris. The accumulation of dust and pollutants can also affect the heat dissipation of the panels, leading to an increase in temperature, which in turn affects the performance of the battery.
3.3 Influence of temperature and environmental factors
Solar panels are sensitive to temperature and environmental factors. When the ambient temperature is too high or too low, the performance and efficiency of the battery will be affected. In extreme cold environments, the panels may freeze and crack; in high temperature environments, the photoelectric conversion efficiency of the panels will be reduced.
IV.Impact of Solar Cell Failure on Streetlight Brightness
4.1 Influence on brightness change
① The photoelectric conversion efficiency of the solar panel is reduced
When the solar panel failure, its photoelectric conversion efficiency will decline, can not effectively convert solar energy into electricity, which in turn affects the brightness of the street lamp.
At the same time, due to the decline in battery storage capacity, the power supply is insufficient, which in turn affects the brightness of the street light.
4.2 Light control system adjustment and compensation
① Light control system adjustment
The light control system can be adjusted according to the energy collected by the solar panel in real time. If battery failure or insufficient energy is detected, the brightness of the street light can be adjusted by the light control system to maintain proper lighting effect.
②Compensation Measures
For example, insufficient power supply can be supplemented by increasing the capacity of the battery to which the light control system is connected, or normal energy generation can be restored by replacing the damaged solar panel.
Resources | Quick Screen Your Solar Street Lights Needs
V.Tips for solving solar cell failures
5.1Regular Inspection and Maintenance
Check if the battery casing is damaged or corroded, and if there are signs of oxidation. Check the battery connection to ensure that the positive and negative terminals of the battery are securely connected and not loose or detached. Clean the battery, gently clean the surface of the battery with water and a soft cloth or brush to remove dust or dirt. Protective measures can be added to the battery as needed, such as waterproof covers, sun shields, etc., to improve the battery's service life and stability.
5.2 Replacement of faulty batteries
When a solar cell malfunction is found, it is necessary to replace the faulty battery in a timely manner. The following steps can be followed:
① Turn off power: Before replacing the battery, make sure to turn off the power to avoid the risk of electric shock.
② Dismantle old batteries: According to the specific structure of the solar cell system, remove the old batteries and mark the positive and negative poles carefully.
③ Install a new battery: Connect the new battery correctly to the system, ensuring that the positive and negative poles are connected correctly.
④ Turn on power: After installation is completed, turn on the power to charge and power the battery.
In conclusion, to prolong the life of outdoor solar street lights, constant maintenance is needed to ensure that the solar panels are not damaged. Customized solar powered street lights for commercial use can consult Huajun Lighting Lighting Factory, a professional decorative solar street lights manufacturer.
Related Reading
Illuminate your beautiful outdoor space with our premium quality garden lights!
Post time: Sep-19-2023