Voltage buffer type voltage bistable starting system used for electronic energy-saving lamps

An electronic energy-saving lamp and voltage buffering technology, which is applied in the field of starting circuit, can solve problems such as poor harmonic suppression ability and unstable output power, and achieve the effects of low production cost, prolonging service life and improving stability

Inactive Publication Date: 2018-01-26
CHENGDU JIESHENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the disadvantages of the existing LED lamp starting circuit, such as poor ability to suppress harmonics in the input voltage and unstable output power, and provide a voltage buffering voltage bistable starting system for electronic energy-saving lamps

Method used

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  • Voltage buffer type voltage bistable starting system used for electronic energy-saving lamps
  • Voltage buffer type voltage bistable starting system used for electronic energy-saving lamps

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the embodiments and the drawings, but the implementation of the present invention is not limited thereto.

[0018] Such as figure 1 As shown, the present invention mainly consists of transformer T, diode rectifier U, triode VT1, triode VT2, triode VT3, triode VT4, triode VT5, overvoltage protection circuit, resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, resistor R8, resistor R9, resistor R10, adjustable resistor R11, resistor R12, resistor R13, resistor R14, resistor R15, resistor R16, resistor R17, adjustable resistor R18, polar capacitor C1, polar capacitor C2, polar capacitor C3, polar capacitor C4, polar capacitor C5, polar capacitor C6, polar capacitor C7, polar capacitor C8, polar capacitor C9, polar capacitor C10, polar capacitor C11, diode D1, Diode D2, diode D3, diode D4, diode D5, diode D6, and inductor L are composed.

[0019] To ensure ...

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Abstract

The present invention discloses a voltage buffer type voltage bistable starting system used for electronic energy-saving lamps. The voltage buffer type voltage bistable starting system is mainly composed of a transformer T, a diode rectifier U, a triode VT1, a triode VT2, an overvoltage protection circuit triode VT3, a triode VT4, a triode VT5, a polar capacitor C6, an inductor L2, a polar capacitor C7 of which the negative pole passes an inductor L5 and then is connected with the different name end of a secondary inductance coil L4 of the transformer T, and the positive pole is connected withthe emitter of the triode VT1, and the like. The voltage buffer type voltage bistable starting system of the present invention can filter an input voltage twice, can suppress the harmonic waves in the voltage effectively and very well, and can adjust the outputted voltages and currents to enable the outputted voltages and currents to be more stable and steadier, thereby being able to effectivelyguarantee the brightness stability when the LED lamps are turned on, satisfying the requirements of the people very well, and prolonging the service lives of the LED lamps very well.

Description

Technical field [0001] The invention relates to a starting circuit, in particular to a voltage buffer type voltage bistable starting system for electronic energy-saving lamps. Background technique [0002] As a new type of energy-saving light source, electronic energy-saving lamps have been widely accepted and adopted by people due to their environmental protection, energy-saving, long life, and small size. LED lamps are a kind of energy-saving lamps favored by people among electronic energy-saving lamps. The LED lamp is a characteristic sensitive semiconductor device and has negative temperature characteristics. Therefore, in the application process, the LED lamp starting circuit plays a very important role in promoting the LED lamp to be in a stable working state and service life. However, the existing LED lamp starting circuit has a poor ability to suppress harmonics in the input voltage, and the existing LED lamp starting circuit also has the problem of unstable output power,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08H05B44/00
Inventor 王丹
Owner CHENGDU JIESHENG TECH CO LTD
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