Dual-power amplification type filtering drain electrode drive system for blue-light LED lamp

Abstract

The invention discloses a double-power amplification type drain electrode driving system for an LED lamp with blue rays. The system mainly consists of a partial pressure switch circuit, a control switch circuit connected with the output end of the partial pressure switch circuit, a nonlinear trigger circuit arranged at the output end of the control switch circuit, and a power amplifying circuit arranged at the output end of the nonlinear trigger circuit. The system is characterized in that a light beam excitation type logic amplifying circuit and a logic protection emitter coupling type amplifying circuit are also connected between the partial pressure switch circuit and the power amplifying circuit in series. According to the system, the nonlinear trigger circuit, the power amplifying circuit and the light beam excitation type logic amplifying circuit are combined for use creatively, so that the nonlinear characteristic of the nonlinear trigger circuit can be ensured, the safe and reliable trigger voltage can also be supplied to the power amplifying circuit, the interference of electromagnetic pulses can be obviously reduced, and the stable performance of the power amplifying circuit can be ensured.

Description

technical field [0001] The invention relates to an LED drive circuit, in particular to a double power amplification filter type drain drive system for a blue LED lamp. Background technique [0002] At present, due to the characteristics of low energy consumption, long service life, safety and environmental protection, LED lamps have become one of the mainstream products for people's living lighting. Since the LED lamp is different from the traditional incandescent lamp, it needs to be driven by a dedicated driving circuit. However, due to the unreasonable design structure of the drain driving circuit widely used by people at present, the current drain driving circuit has defects such as high energy consumption, large current noise, and long start-up time. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of high energy consumption, large current noise and long start-up time in the current drain drive circuit, and provide a ...

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of high energy consumption, large current noise and long start-up time in the current drain drive circuit, and provide a reasonable structural design, which can effectively reduce power consumption and current noise, and significantly shorten the start-up time Dual Power Amplified Filtered Drain Drive System for Blue LED Lamps

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