Method for stabilizing working current of light emitting diode (LED) power-saving lamp
A technology of working current and stabilizing devices, which is applied in the direction of lamp circuit layout, lighting devices, electric light sources, etc., can solve problems such as fluctuations in luminous brightness, dimming of LED energy-saving lamps, etc., and achieve the effect of ensuring stability
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[0017] Such as figure 2 As shown, the LED energy-saving lamp adopting the working current stabilizing device of the present invention includes a single-circuit circuit formed by connecting light-emitting diodes N1-Nn in series, and each light-emitting diode is connected in parallel with voltage-stabilizing diodes W1-Wn. At the end of the series circuit of the LED light-emitting tube (sometimes it can also be connected to the high end) a three-terminal voltage regulator Q is added. The "1" pin of the three-terminal voltage stabilizer Q is the input end, and the "2" pin is the output end. 3" pin is the ground terminal. Because the voltage at the output terminal of the three-terminal regulator Q is stable, the current flowing through the load R3 is also stable, which ensures the stability of the working current of the LED series circuit, thereby also ensuring the stability of the luminance of the LED energy-saving lamp.
[0018] In the device of the present invention, the three...
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