CN104582090A - Drive circuit of LED (light emitting diode) street lamp - Google Patents
Drive circuit of LED (light emitting diode) street lamp Download PDFInfo
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- CN104582090A CN104582090A CN201310479792.0A CN201310479792A CN104582090A CN 104582090 A CN104582090 A CN 104582090A CN 201310479792 A CN201310479792 A CN 201310479792A CN 104582090 A CN104582090 A CN 104582090A
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- Prior art keywords
- street lamp
- led
- drive circuit
- controller
- circuit
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Abstract
The invention discloses a drive circuit of an LED (light emitting diode) street lamp, and belongs to the technical field of automatic control. The drive circuit of the LED street lamp is characterized by comprising an LED array (1), a PWM (pulse-width modulation) controller (2), an on-off controller (3), a feedback loop circuit (4), an oscillator (5) and an interrupting detection circuit (6). Compared with the prior art, the drive circuit of the LED street lamp has the advantages of simple structure, convenience in control and maintenance, high reliability and the like.
Description
Technical field
The invention belongs to automatic control technology field, in particular, belong to a kind of drive circuit of LED street lamp.
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 drive circuit of LED street lamp.
The drive circuit of a kind of LED street lamp of the present invention, is characterized in that: the drive circuit of described LED street lamp comprises LED array, PWM controller, on-off controller, feedback loop circuit, oscillator, cutout testing circuit;
Described PWM controller is connected with described LED array, described on-off controller is connected by described oscillator with described PWM controller, described on-off controller is connected connected by described feedback loop circuit with described LED array, described PWM controller is connected by described cutout testing circuit with described LED array.
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 of the drive circuit of LED street lamp of the present invention.
Embodiment
Fig. 1 is the structural representation of the drive circuit of LED street lamp of the present invention, and the drive circuit of a kind of LED street lamp of the present invention comprises LED array 1, PWM controller 2, on-off controller 3, feedback loop circuit 4, oscillator 5, cutout testing circuit 6;
Described PWM controller 2 is connected with described LED array 1, described on-off controller 3 is connected by described oscillator 5 with described PWM controller 2, described on-off controller 3 is connected connected by described feedback loop circuit 4 with described LED array 1, described PWM controller 2 is connected by described cutout testing circuit 6 with described LED array 1.
Claims (1)
1. a drive circuit for LED street lamp, is characterized in that: the drive circuit of described LED street lamp comprises LED array (1), PWM controller (2), on-off controller (3), feedback loop circuit (4), oscillator (5), cutout testing circuit (6);
Described PWM controller (2) is connected with described LED array (1), described on-off controller (3) is connected by described oscillator (5) with described PWM controller (2), described on-off controller (3) is connected connected by described feedback loop circuit (4) with described LED array (1), described PWM controller (2) is connected by described cutout testing circuit (6) with described LED array (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479792.0A CN104582090A (en) | 2013-10-14 | 2013-10-14 | Drive circuit of LED (light emitting diode) street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310479792.0A CN104582090A (en) | 2013-10-14 | 2013-10-14 | Drive circuit of LED (light emitting diode) street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104582090A true CN104582090A (en) | 2015-04-29 |
Family
ID=53097009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310479792.0A Pending CN104582090A (en) | 2013-10-14 | 2013-10-14 | Drive circuit of LED (light emitting diode) street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104582090A (en) |
-
2013
- 2013-10-14 CN CN201310479792.0A patent/CN104582090A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |