CN202160310U - Intelligent light modulation device for light modulation by LED street lamp according to ambient light - Google Patents
Intelligent light modulation device for light modulation by LED street lamp according to ambient light Download PDFInfo
- Publication number
- CN202160310U CN202160310U CN2011202626026U CN201120262602U CN202160310U CN 202160310 U CN202160310 U CN 202160310U CN 2011202626026 U CN2011202626026 U CN 2011202626026U CN 201120262602 U CN201120262602 U CN 201120262602U CN 202160310 U CN202160310 U CN 202160310U
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- China
- Prior art keywords
- led
- street lamp
- light modulation
- mcu controller
- ambient light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to an intelligent light modulation device for light modulation by LED street lamps according to ambient light. The intelligent light modulation device comprises a power supply circuit, an LED driving circuit connected therewith, and an MCU controller. The LED driving circuit is connected with multi-path LED lamps. The MCU controller is connected with a photosensitive inductor which is used for detecting brightness changes of ambient light and sending signals to the MCU controller to adjust the brightness of the multi-path LED lamps. The utility model aims to overcome defects of the prior art and provides the intelligent LED street lamp light modulation device which helps to timely adjust brightness of the lamps based on an environment, the weather and brightness of the ambient light.
Description
[technical field]
The utility model relates to the intelligent dimming device of a kind of LED street lamp according to the light modulation of ambient light intensity.
[background technology]
Street lamp is the chief component of city illumination engineering, though street lamp is changed to the LED illumination by traditional bulb gradually, the common LED street lamp has just improved the conversion efficiency of electric energy to luminous energy; The common LED street lamp is the same with the conventional high-tension sodium vapor lamp; Remain according to the traditional mode illumination, can not be along with the environment climate, the strong and weak lamplight brightness of in time regulating of the brightness of surround lighting; Cause certain energy waste; Because traditional LED street lamp is to open in wink to close in wink, and transitional street lamps all need be equipped with the brightness that the photoelectricity electrical control cubicles is regulated street lamp, and cost is bigger.
The utility model is exactly to make in view of the situation.
[utility model content]
The utility model has overcome the deficiency of prior art, and a kind of LED street lamp intelligent dimming device that can in time in time regulate lamplight brightness according to the brightness power of environment climate and surround lighting is provided.
The utility model adopts following technical scheme for solving the problems of the technologies described above:
A kind of LED street lamp is according to the intelligent dimming device of ambient light intensity light modulation; Include power circuit and led drive circuit that is connected with power circuit and MCU controller; On led drive circuit, be connected with the LED multi-path lamp, it is characterized in that on described MCU controller, also being connected with that the brightness that can detect surround lighting changes and send signal to the MCU controller to regulate the light-inductive device of LED multi-path lamp brightness.
Aforesaid a kind of LED street lamp is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described light-inductive device is two.
Aforesaid a kind of LED street lamp is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described light-inductive device includes photodiode.
Aforesaid a kind of LED street lamp is according to the intelligent dimming device of ambient light intensity light modulation; It is characterized in that described led drive circuit includes PWM pulse-width modulation circuit group and constant-current control circuit group; The input of described PWM pulse-width modulation circuit group links to each other with the output of MCU controller, and the output of described constant-current control circuit group links to each other with the input of LED multi-path lamp.
Aforesaid a kind of LED street lamp is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described PWM pulse-width modulation circuit includes the octuple anti-phase buffer module that can the signal that the MCU controller sends be transferred to ternary output.
Aforesaid a kind of LED street lamp is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described constant-current control circuit group includes constant flow module.
Aforesaid a kind of LED street lamp is characterized in that on described MCU controller, being connected with the fan circuit of its heat that can leave fast according to the intelligent dimming device of ambient light intensity light modulation.
Aforesaid a kind of LED street lamp is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described MCU controller is a MCU control chip.
The utility model compared with prior art has following advantage:
The utility model is employed in and is connected with the light-inductive device on the MCU controller; The light-inductive device sends the MCU controller to after leading to the brightness that detects surround lighting, and the MCU controller is through producing the brightness of pwm signal adjustment LED multi-path lamp after the analysis and judgement, when the brightness of surround lighting is more weak; Strengthen the brightness of LED multi-path lamp; When the brightness of surround lighting is strong, weaken the brightness of LED multi-path lamp, to reach the purpose of energy savings.
Induction through the light-inductive device; The time-delay that the MCU controller can be regulated the LED multi-path lamp is automatically opened or is delayed time and closes and intensity of light; This switch is the electric current that increases the electric current of LED gradually and reduce LED gradually; This just no longer need regulate the brightness of LED light through the photoelectricity electrical control cubicles, has practiced thrift cost.
[description of drawings]
Fig. 1 is the utility model circuit frame figure;
Fig. 2 is the utility model circuit diagram;
Fig. 3 is the utility model circuit diagram.
[embodiment]
Below in conjunction with accompanying drawing the utility model is elaborated:
A kind of intelligent electric-saving device of LED street lamp; Include power circuit 1 and led drive circuit 2 that is connected with power circuit 1 and MCU controller 3; On led drive circuit 2, be connected with LED multi-path lamp 4, be connected with also on described MCU controller 3 that the brightness that can detect surround lighting changes and send signal to MCU controller 3 to regulate the light-inductive device 5 of LED multi-path lamp 4 brightness.
Use LED as street lighting, because of itself photoelectric characteristic has than traditional high-pressure sodium lamp or high-pressure mercury-vapor lamp higher efficient is arranged, significantly energy savings.Because LED is to use and supplies power after the AC/DC voltage stabilizing, allow the power supply input range of broad, illumination efficiency does not receive the influence of voltage ripple of power network, and this also can improve the efficient of illumination.
Described light-inductive device 5 is two.
Described light-inductive device 5 comprises photodiode Q6, Q7, photodiode Q6, the Q7 resistor that to be a kind of resistance value change with the power of incident light, and incident intensity, resistance reduces, and a little less than the incident light, resistance increases.When the brightness of surround lighting was strong, light-inductive device 5 sent signal to MCU controller 3, through the adjusting of MCU controller 3, and the brightness deterioration of LED multi-path lamp 4; When a little less than the brightness of surround lighting, light-inductive device 5 sends signal to MCU controller 3, and through the adjusting of MCU controller 3, the brightness of LED multi-path lamp 4 strengthens, and reaches the purpose of energy savings.
Described led drive circuit 2 includes PWM pulse-width modulation circuit group 21 and constant-current control circuit group 22; The input of described PWM pulse-width modulation circuit group 21 links to each other with the output of MCU controller 3, and the output of described constant-current control circuit group 22 links to each other with the input of LED multi-path lamp 4.After light-inductive device 5 sends signal to MCU controller 3,, produce pwm signal,, reach the purpose of regulating LED multi-path lamp 4 lamplight brightness through regulating the duty ratio of pwm signal through intellectual analysis.
Described PWM pulse-width modulation circuit 21 includes octuple anti-phase buffer module U3, the U4 that can the signal that MCU controller 3 sends be transferred to ternary output.
Described constant-current control circuit group 22 includes constant flow module U7～U18.Constant-current control circuit can avoid the electric current of PWM pulse-width modulation circuit 21 to exceed maximum rating, influences the reliability of LED multi-path lamp 4.
Led drive circuit 2 utilizes single-chip microcomputer to produce pwm signal, drives LED multi-path lamp 4 and throws light on, through regulating the duty ratio of pwm signal, the brightness that just can transfer LED.
On described MCU controller 3, be connected with the fan circuit 7 of its heat that can leave fast.
Described MCU controller 3 is a MCU control chip.
Control the brightness of LED multi-path lamp 4 through the detection of light-inductive device 5, the intelligence computation of MCU controller; In a little less than the brightness of surround lighting, the brightness of LED multi-path lamp is turned up full blast, when the brightness of surround lighting is strong; The brightness of LED lamp is dimmed, thereby reach energy-conservation effect.
Claims (8)
1. a LED street lamp is according to the intelligent dimming device of ambient light intensity light modulation; Include power circuit (1) and led drive circuit (2) that is connected with power circuit (1) and MCU controller (3); On led drive circuit (2), be connected with LED multi-path lamp (4), it is characterized in that on described MCU controller (3), also being connected with that the brightness that can detect surround lighting changes and send signal to MCU controller (3) to regulate the light-inductive device (5) of LED multi-path lamp (4) brightness.
2. a kind of LED street lamp according to claim 1 is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described light-inductive device (5) is two.
3. a kind of LED street lamp according to claim 1 and 2 is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described light-inductive device (5) includes photodiode (Q6, Q7).
4. a kind of LED street lamp according to claim 1 is according to the intelligent dimming device of ambient light intensity light modulation; It is characterized in that described led drive circuit (2) includes PWM pulse-width modulation circuit group (21) and constant-current control circuit group (22); The input of described PWM pulse-width modulation circuit group (21) links to each other with the output of MCU controller (3), and the output of described constant-current control circuit group (22) links to each other with the input of LED multi-path lamp (4).
5. a kind of LED street lamp according to claim 4 is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described PWM pulse-width modulation circuit (21) includes the octuple anti-phase buffer module (U3, U4) that can the signal that send MCU controller (3) be transferred to ternary output.
6. a kind of LED street lamp according to claim 4 is according to the intelligent dimming device of ambient light intensity light modulation, it is characterized in that described constant-current control circuit group (22) includes constant flow module (U7～U18).
7. a kind of LED street lamp according to claim 1 is characterized in that on described MCU controller (3), being connected with the fan circuit (7) of its heat that can leave fast according to the intelligent dimming device of ambient light intensity light modulation.
8. a kind of LED street lamp according to claim 1 is characterized in that according to the intelligent dimming device of ambient light intensity light modulation described MCU controller (3) is a MCU control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202626026U CN202160310U (en) | 2011-07-23 | 2011-07-23 | Intelligent light modulation device for light modulation by LED street lamp according to ambient light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202626026U CN202160310U (en) | 2011-07-23 | 2011-07-23 | Intelligent light modulation device for light modulation by LED street lamp according to ambient light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202160310U true CN202160310U (en) | 2012-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202626026U Expired - Fee Related CN202160310U (en) | 2011-07-23 | 2011-07-23 | Intelligent light modulation device for light modulation by LED street lamp according to ambient light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202160310U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256420A (en) * | 2011-07-23 | 2011-11-23 | 李鸿 | Intelligent dimming device for LED (light-emitting diode) streetlamp |
| CN102843819A (en) * | 2012-06-08 | 2012-12-26 | 上海大学 | Intelligent dimming device and method of LED (light-emitting diode) |
| CN106973474A (en) * | 2017-04-10 | 2017-07-21 | 安徽卓越电气有限公司 | A kind of street lighting electric power system based on PWM light-adjusting modules |
| CN109479352A (en) * | 2016-06-30 | 2019-03-15 | 飞利浦照明控股有限公司 | Intelligent light light modulation |
-
2011
- 2011-07-23 CN CN2011202626026U patent/CN202160310U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256420A (en) * | 2011-07-23 | 2011-11-23 | 李鸿 | Intelligent dimming device for LED (light-emitting diode) streetlamp |
| CN102843819A (en) * | 2012-06-08 | 2012-12-26 | 上海大学 | Intelligent dimming device and method of LED (light-emitting diode) |
| CN109479352A (en) * | 2016-06-30 | 2019-03-15 | 飞利浦照明控股有限公司 | Intelligent light light modulation |
| CN109479352B (en) * | 2016-06-30 | 2021-06-29 | 昕诺飞控股有限公司 | Intelligent light dimming |
| CN106973474A (en) * | 2017-04-10 | 2017-07-21 | 安徽卓越电气有限公司 | A kind of street lighting electric power system based on PWM light-adjusting modules |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20130723 |