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Hot swap module and driver for lighting device, and lighting device

A lighting device, hot-swappable technology, applied in the direction of lighting device, lamp circuit layout, light source, etc., can solve the problems of increasing cost, the inrush current cannot be completely attenuated, and the light-emitting unit connected to the driving circuit is damaged, so as to ensure stability Effects of Sex and Compatibility

Active Publication Date: 2015-03-18
OPTOTRONIC GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although such a solution can be applied to hot-swap technology, it increases the cost due to the use of a buck converter, and cannot have a more compact structure
At the same time, although the designed circuit can greatly reduce the inrush current during hot swapping, the inrush current cannot be completely attenuated, causing the light-emitting unit connected to the drive circuit to be damaged
In addition, the driving circuit has a hot-plug detection delay and a shutdown delay due to the buck converter, so that the light-emitting unit may still be damaged by the inrush current

Method used

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  • Hot swap module and driver for lighting device, and lighting device
  • Hot swap module and driver for lighting device, and lighting device

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Embodiment Construction

[0025] figure 1 A schematic diagram of functional modules of the hot-swappable module 100 according to the present invention is shown. like figure 1 As shown, the hot plug module 100 includes a detection unit 1 and an impedance adjustment unit 2, wherein the impedance adjustment unit 2 will detect the hot plug state S detected by the detection unit 1, such as hot plug S2, hot plug S3 Or in the state of no load S1, the impedance of the driving circuit is adjusted, for example, the impedance can be increased or decreased. According to the hot-swappable module 100 designed in this way, it can be connected and compatible with other existing constant current driving circuits and light-emitting units designed as LEDs, effectively providing the hot-swappable function.

[0026] Specifically, the detection unit 1 is designed to include a buffer unit 11 and a hot-plug detection unit 12, the buffer unit 11 can be directly connected to, for example, the light-emitting unit, and provides...

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Abstract

The present invention relates to a hot plug module for an illuminating device comprising: a detection unit for detecting a hot plug state to obtain a detecting state; and an impedance adjusting unit for adjusting an impedance state of the hot plug module in accordance with the detecting state, and wherein the impedance adjusting unit comprises an impedance conversion unit whose impedance can be converted; and a conversion drive unit converting the impedance of the impedance conversion unit in accordance with the detecting state to adjust the impedance state. Further, the present invention relates to a driver for an illuminating device and an illuminating device.

Description

technical field [0001] The invention relates to a hot-swappable module and a driver for a lighting device and the lighting device. Background technique [0002] LED lighting technology has the advantages of high lighting intensity, long service life and high efficiency and energy saving. lighting fixtures. In the existing LED lighting devices, the constant current LED module is generally driven by a constant current LED driver using direct current, but often because the driver circuit has a larger output when the circuit is open than when the circuit is connected to a load Voltage, so when implementing a hot-swappable light-emitting unit, such as an LED lamp, the light-emitting unit will be damaged due to the excessive output voltage, and the scope of use of the circuit is greatly limited because it cannot support hot-swap . [0003] A solution in the prior art proposes to design a two-stage conversion circuit in the constant current drive circuit, wherein the first stage...

Claims

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Application Information

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IPC IPC(8): H05B37/02H05B44/00
CPCH05B33/089H05B45/50H05B45/3725H05B47/25
Inventor 张泉
Owner OPTOTRONIC GMBH
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