CN104582076A - LED driving device with temperature compensation function - Google Patents
LED driving device with temperature compensation function Download PDFInfo
- Publication number
- CN104582076A CN104582076A CN201310477464.7A CN201310477464A CN104582076A CN 104582076 A CN104582076 A CN 104582076A CN 201310477464 A CN201310477464 A CN 201310477464A CN 104582076 A CN104582076 A CN 104582076A
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- China
- Prior art keywords
- temperature compensation
- compensation function
- driving device
- led
- power amplifier
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Abstract
The invention discloses an LED driving device with a temperature compensation function, and belongs to the technical field of automatic control. The LED driving device is characterized by comprising an LED array (1), a driving circuit (2), a current limiter (3), a power amplifier (4), a reference voltage generator (5) and a forward voltage detector (6). Compared with the prior art, the LED driving device has the advantages of being simple in structure, convenient to control and maintain, high in reliability and the like.
Description
Technical field
The invention belongs to automatic control technology field, in particular, belong to a kind of LED drive device with temperature compensation function.
Background technology
LED illumination technology has the incomparable advantage of conventional lighting technology, has obtained now and has applied extremely widely.LED illumination lamp has the advantage such as high light flux, low-power consumption.The outfit interchange that needs of middle low power LED illumination lamp of the prior art turns the power supply of direct current, and LED illumination lamp all will join a DC power supply usually, and how to control effectively to DC power supply is the difficult problem restricting the art.
Summary of the invention
The present invention, in order to effectively solve above technical problem, gives a kind of LED drive device with temperature compensation function.
A kind of LED drive device with temperature compensation function of the present invention, is characterized in that: described LED drive device comprises LED array, drive circuit, demand limiter, power amplifier, reference voltage generator, forward voltage detector;
Described LED array is connected with described drive circuit, described demand limiter is connected with described drive circuit, described power amplifier is connected with described demand limiter, described reference voltage generator is connected with described power amplifier, and described LED array is connected by described forward voltage detector with described power amplifier.
The present invention is compared with prior art: have structure simple, control the advantages such as convenient, reliability is high, easy to maintenance.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation that the present invention has the LED drive device of temperature compensation function.
Embodiment
Fig. 1 is the structural representation that the present invention has the LED drive device of temperature compensation function, and a kind of LED drive device with temperature compensation function of the present invention comprises LED array 1, drive circuit 2, demand limiter 3, power amplifier 4, reference voltage generator 5, forward voltage detector 6;
Described LED array 1 is connected with described drive circuit 2, described demand limiter 3 is connected with described drive circuit 2, described power amplifier 4 is connected with described demand limiter 3, described reference voltage generator 5 is connected with described power amplifier 4, and described LED array 1 is connected by described forward voltage detector 6 with described power amplifier 4.
Claims (1)
1. there is a LED drive device for temperature compensation function, it is characterized in that: described LED drive device comprises LED array (1), drive circuit (2), demand limiter (3), power amplifier (4), reference voltage generator (5), forward voltage detector (6);
Described LED array (1) is connected with described drive circuit (2), described demand limiter (3) is connected with described drive circuit (2), described power amplifier (4) is connected with described demand limiter (3), described reference voltage generator (5) is connected with described power amplifier (4), and described LED array (1) is connected by described forward voltage detector (6) with described power amplifier (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477464.7A CN104582076A (en) | 2013-10-14 | 2013-10-14 | LED driving device with temperature compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477464.7A CN104582076A (en) | 2013-10-14 | 2013-10-14 | LED driving device with temperature compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104582076A true CN104582076A (en) | 2015-04-29 |
Family
ID=53096995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477464.7A Pending CN104582076A (en) | 2013-10-14 | 2013-10-14 | LED driving device with temperature compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104582076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110892323A (en) * | 2017-07-21 | 2020-03-17 | 亮锐控股有限公司 | Method of controlling a segmented flash lamp system |
-
2013
- 2013-10-14 CN CN201310477464.7A patent/CN104582076A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110892323A (en) * | 2017-07-21 | 2020-03-17 | 亮锐控股有限公司 | Method of controlling a segmented flash lamp system |
| US11454867B2 (en) | 2017-07-21 | 2022-09-27 | Lumileds Llc | Method of controlling a segmented flash system |
| US11809064B2 (en) | 2017-07-21 | 2023-11-07 | Lumileds Llc | Method of controlling a segmented flash system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
|
| WD01 | Invention patent application deemed withdrawn after publication |