LED street lamp project is affected by the double global environment and the particularity of the industry LED street lamp is one of the important development of LED lamp Do you know the technical requirements of LED street lamp? Here's how:
1. First of all, why the LED street lamp driver should be constant? The characteristics of LED lighting materials determine that they are affected by the environment, such as temperature change, LED current increase, voltage increase, LED current increase, etc. Long time over rated current operation will greatly shorten the service life of LED street lamp LED constant current is to ensure that the working current value of LED remains constant when the temperature, voltage and other environmental factors change.
2. Secondly, the voltage of LED street lamp is 3.0-3.5v. After testing, most of the working voltage is 3.2V, so the calculation of 3.2V is reasonable. The total voltage of N lamp in series is 3.2 * n.
3. For example, the rated current of LED is 350 Ma, while some factories use it to complete it, which is designed as 350 ma. In fact, in the current high temperature, this work is very serious. After many experiments, the 320 Ma design is an ideal attempt to reduce heat and convert more energy into visible light.
4. It is used to drive the lamp power and voltage within the wide input voltage range of the LED street lamp AC85-265V, so the series parallel LED light plate is very important. The voltage is not applied as wide as possible. It can be divided into AC220V and AC110V, which can ensure the reliability of power supply.