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Low-voltage energy-saving lamp

An energy-saving lamp, low-voltage technology, applied in lighting devices, light sources, electrical components, etc., can solve problems such as failure to start, automatic lamp extinguishing, voltage and current changes, and achieve the effect of reducing power loss

Inactive Publication Date: 2006-07-12
樊霖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of energy-saving lamp has the following disadvantages: when the lamp tube is powered by a cycle, its voltage and current will change, which will easily cause the lamp tube to automatically extinguish and fail to start.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] see figure figure 2 The low-voltage energy-saving lamp of the present invention includes a ballast filter circuit connected to a power supply, a switch circuit, a resonant circuit and a lamp tube, the output end of the ballast filter circuit is connected to the input end of the switch circuit, and the resonant circuit includes a first capacitor, The first coil of the transformer, the choke inductance and the second capacitor, the first capacitor, the first coil of the transformer and the choke inductance are serially connected between the first and second output terminals of the switch circuit, and the first capacitor Connected in parallel with the lamp tube, one end of the second capacitor is connected to the connecting end of the first coil of the transformer and the choke inductance, and the other end is grounded. The ballast filter circuit is used to ballast and filter the power input. The switch circuit is used to select different current channels in the upper and...

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PUM

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Abstract

Said invented low voltage energy-saving lamp includes ballasting filter circuit connected with power supply, switching circuit, resonance circuit and lamp tube, said ballasting filter circuit output port connected with switching circuit input end, said resonance circuit including first capacitor, transformer first loop, induction second and second capacitor they are serial connected between first and second output port of switching circuit, said first capacitor parallel connection with lamp tube, one end of second capacitor connected to attachment end of transformer first loop and throttle inductive, another end earthing. Through setting throttle induction in transformer first loop front end and second capacitor setting, second capacitor discharge to make lamp tube potential kept in certain of certain of level and worked in low impedance, thereby reducing lamp tube power loss and obtaining power compensation.

Description

【Technical field】 [0001] The invention relates to a low-voltage energy-saving lamp. 【Background technique】 [0002] see figure 1 , the existing low-voltage energy-saving lamps include a ballast filter circuit, a switch circuit, a resonant circuit and a lamp tube. The ballast filter circuit is used for ballast filtering the input voltage. Each cycle selects different current channels respectively. The resonant circuit is used to start the oscillation and make the lamp tube preheat and breakdown conduction in the upper and lower half cycles of resonance respectively. The input terminal of the ballast filter circuit is connected to the power supply. Its output end is connected to the input end of the switch circuit, and the resonant circuit includes a DC blocking capacitor C6, a first capacitor C8, a choke inductance L3 and a first transformer connected in sequence between the first and second output ends of the switch circuit. Coil L2-1. However, this kind of energy-saving ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B41/295
Inventor 樊霖
Owner 樊霖