Expensive LED Bulb And Cheap LED Bulb

Expensive LED Bulb And Cheap LED Bulb

Led lights charming led bulbs are simply divided into two categories. One is the lamp source, mainly is the role of spotlights, downlights, street lamps and so on. The other is lanterns mysterious led bulb. The main led chandelier, floor lamp and so on play the role of decoration and lighting.

Led power supply, also called drive power supply, the role of a, led lamp charming led bulb beads to provide stable voltage, constant current power supply. If the led operating current exceeds the rated current or the voltage is unstable, the led will quickly appear senescent damage. Led mysterious led bulb is very energy saving, low power consumption products, the general working voltage is only a few volts, a few up to dozens of volts are special purpose lamps, the use of current is relatively low, generally calculated in milliamps. We see daily lamps and lanterns, the wiring is directly connected to the household electricity 220v. All of them are transmitted to the led lamp bead mysterious led bulb after the drive power supply, voltage regulation and rectification.

The non-isolated drive power supply is connected to the led lamp charming led bulb after direct step-down. The isolated power supply is the input and output isolated through the transformer, and there is a process of electric to magnetic to electric again. The safety is relatively higher than the non-isolated power supply, and the cost will be more expensive. In addition, led drive power supply in short circuit protection, surge protection, power protection, leakage protection and other functional protection, there is also the core factor affecting the final lamp price. In general, expensive led lights mysterious led bulbs are safer and more energy efficient than their cheaper counterparts.