CN104582081A - Power control device of LED traffic lamp - Google Patents
Power control device of LED traffic lamp Download PDFInfo
- Publication number
- CN104582081A CN104582081A CN201310477550.8A CN201310477550A CN104582081A CN 104582081 A CN104582081 A CN 104582081A CN 201310477550 A CN201310477550 A CN 201310477550A CN 104582081 A CN104582081 A CN 104582081A
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- China
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- module
- power control
- control device
- led traffic
- control switch
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Abstract
The invention discloses a power control device of an LED traffic lamp, and belongs to the technical field of automatic control. The power control device is characterized by comprising an LED array (1), an electromagnetic interference filter module (2), a rectifying module (3), a voltage converting module (4), a pulse width modulation module (5) and a control switch (6). Compared with the prior art, the power control device has the advantages of simple structure, high convenience in control, high reliability, high convenience in maintenance and the like.
Description
Technical field
The invention belongs to automatic control technology field, in particular, belong to a kind of power control of LED traffic lights.
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 power control of LED traffic lights.
The power control of a kind of LED traffic lights of the present invention, is characterized in that: the power control of described LED traffic lights comprises LED array, emi-filter module, rectification module, voltage transformation module, pulse width modulation module, control switch; Wherein:
Described emi-filter module is connected with described control switch, described control switch is connected with described LED array, described emi-filter module is connected with described rectification module, described rectification module is connected with described voltage transformation module, described voltage transformation module is connected with described pulse width modulation module, and described pulse width modulation module is connected with described control switch.
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 power control of LED traffic lights of the present invention.
Embodiment
Fig. 1 is the structural representation of the power control of LED traffic lights of the present invention, and the power control of a kind of LED traffic lights of the present invention comprises LED array 1, emi-filter module 2, rectification module 3, voltage transformation module 4, pulse width modulation module 5, control switch 6; Wherein:
Described emi-filter module 2 is connected with described control switch 6, described control switch 6 is connected with described LED array 1, described emi-filter module 2 is connected with described rectification module 3, described rectification module 3 is connected with described voltage transformation module 4, described voltage transformation module 4 is connected with described pulse width modulation module 5, and described pulse width modulation module 5 is connected with described control switch 6.
Claims (1)
1. a power control for LED traffic lights, is characterized in that: the power control of described LED traffic lights comprises LED array (1), emi-filter module (2), rectification module (3), voltage transformation module (4), pulse width modulation module (5), control switch (6); Wherein:
Described emi-filter module (2) is connected with described control switch (6), described control switch (6) is connected with described LED array (1), described emi-filter module (2) is connected with described rectification module (3), described rectification module (3) is connected with described voltage transformation module (4), described voltage transformation module (4) is connected with described pulse width modulation module (5), and described pulse width modulation module (5) is connected with described control switch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477550.8A CN104582081A (en) | 2013-10-14 | 2013-10-14 | Power control device of LED traffic lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477550.8A CN104582081A (en) | 2013-10-14 | 2013-10-14 | Power control device of LED traffic lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104582081A true CN104582081A (en) | 2015-04-29 |
Family
ID=53097000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477550.8A Pending CN104582081A (en) | 2013-10-14 | 2013-10-14 | Power control device of LED traffic lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104582081A (en) |
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2013
- 2013-10-14 CN CN201310477550.8A patent/CN104582081A/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 |