How to Purchase Solar Garden Lights
Solar garden lights can satisfy people's ideas of saving electricity and safe use of garden lights. It has many advantages. Consumers can have their own choices when buying solar garden lights. So how to choose solar garden lights?
1. Solar panels for solar garden lights
The main function of solar panels of solar power yard lights is to convert light energy into electrical energy. This phenomenon is called photovoltaic effect. In areas with sufficient sunlight, it is better to use polycrystalline silicon solar cells. In areas where there is a lot of sunshine and less sunlight, it is better to use monocrystalline silicon solar cells because the electrical performance parameters of monocrystalline silicon solar cells are relatively stable. Amorphous silicon solar cells are better when indoor sunlight is very weak, because amorphous silicon solar cells have relatively low requirements for sunlight conditions.
2. Solar charge and discharge controller for solar garden lights
Regardless of the size of the solar power light for garden, a good performance charging and discharging control circuit is indispensable. In order to prolong the service life of the battery, its charging and discharging conditions must be restricted to prevent the battery from overcharging and deep discharge. In addition, because the input energy of the solar photovoltaic power generation system is extremely unstable, the control of battery charging in the photovoltaic power generation system is more complicated than the control of ordinary battery charging. For the design of solar power yard lights, success and failure often depend on the success and failure of the charge and discharge control circuit. Without a good charge and discharge control circuit, solar power yard lights will not work well.
3. Solar energy storage battery for solar garden lights
Because the input energy of the solar photovoltaic power generation system is not stable enough, it generally needs to be equipped with a battery system to work, and solar lights are no exception, and a battery must be configured to work.
The selection of battery capacity of solar power yard lights generally follows the following principles: 1. First of all, on the premise of achieving night lighting, store the energy of solar battery components during the day as much as possible. 2. At the same time, it must be able to store the electrical energy required for continuous rainy days and night lighting. If the battery capacity is too small, it cannot meet the needs of night lighting or continuous use; if the battery capacity is too large, the battery panel cannot provide sufficient charging current, and the battery is often in a state of power loss, which affects the battery life and is easy to cause waste. 4. Load solar lamp products have the advantages of energy saving and environmental protection. Of course, the load should be energy saving and have a long life. We generally use LED lamps, 12V DC energy-saving lamps and low-pressure sodium lamps.
Most lawn lights use LED as the light source. The LED has a long life span, which can reach more than 100,000 hours, and the working voltage is low. It is very suitable for solar lawn lights. Solar garden lights generally use LED lights or 12V DC energy-saving lights. The voltage of the DC energy-saving lights is DC, without inverter, which is convenient and safe.
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