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A low-voltage fluorescent lamp and its driving circuit

A technology for driving circuits and fluorescent lamps, applied in the electronic field, can solve problems such as power consumption, personal safety injury, lamp breakdown and ignition, etc., and achieve the effects of reducing power consumption, protecting personal safety, and improving use safety.

Active Publication Date: 2017-06-23
OCEANKING DONGGUAN LIGHTING TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the circuit is: when the lamp tube is damaged, the circuit can still be in working condition, which not only consumes electric energy, but also generates high voltage in the secondary coil of the transformer, which leads to breakdown and ignition easily inside the lamp, and even harms personal safety.

Method used

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  • A low-voltage fluorescent lamp and its driving circuit
  • A low-voltage fluorescent lamp and its driving circuit

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] Please refer to figure 1 , is a connection schematic diagram of the first embodiment of the low-voltage fluorescent lamp drive circuit of the present invention. In this embodiment, the circuit includes: a drive module 1 , a switch module 2 , and a feedback module 3 .

[0025] The driving module 1 is connected to a lamp tube of a low-voltage fluorescent lamp, and is used to drive the lamp tube to work;

[0026] The switch module 2 is connected to the power s...

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PUM

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Abstract

An embodiment of the present invention discloses a driving circuit for a low-voltage fluorescent lamp, comprising: a driving module, connected with a lamp tube, for driving the lamp tube to work; a switch module, connected with a power supply and the driving module, and used for controlling the driving the working state of the module; a feedback module, connected to the lamp tube and the switch module, for feeding back a control signal to the switch module when the lamp tube is damaged, so that the switch module controls the drive module to stop Work. The embodiment of the present invention also discloses a low-voltage fluorescent lamp. By adopting the present invention, when the lamp tube is damaged, the driving of the lamp tube can be stopped, thereby improving the safety of using the lamp.

Description

technical field [0001] The invention relates to the field of electronics, in particular to a low-voltage fluorescent lamp and a driving circuit thereof. Background technique [0002] At present, fluorescent lamps have become one of the lighting sources widely used in daily life. They are high-efficiency lighting sources, and generally use inductive ballasts or electronic ballasts. Inductive ballasts work at the mains frequency and are large in size. , is relatively bulky and consumes a lot of power, is prone to low-frequency flicker and low-frequency noise, and has a high cost. The electronic ballast has the advantages of small size, light weight, no noise, no flicker, etc. Therefore, magnetic ballasts are gradually replaced by electronic ballasts. [0003] In the prior art, electronic ballasts mostly use a self-oscillating boost method to drive fluorescent lamps. The disadvantage of the circuit is that when the lamp tube is damaged, the circuit can still be in working co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B41/36
Inventor 周明杰黄晓东
Owner OCEANKING DONGGUAN LIGHTING TECH