CN103025030B - LED tunnel illumination light adjusting system - Google Patents
LED tunnel illumination light adjusting system Download PDFInfo
- Publication number
- CN103025030B CN103025030B CN201210583971.4A CN201210583971A CN103025030B CN 103025030 B CN103025030 B CN 103025030B CN 201210583971 A CN201210583971 A CN 201210583971A CN 103025030 B CN103025030 B CN 103025030B
- Authority
- CN
- China
- Prior art keywords
- type
- light
- led
- led module
- tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of LED tunnel illumination light adjusting system of the present invention comprises: OPTICAL SENSORS, LED positional information input unit and multiple LED illumination unit; Wherein, OPTICAL SENSORS for sensing the light of the position of LED illumination unit residing for tunnel, and produces the optical information relevant with the light sensed; LED positional information input unit is for inputting the positional information of LED illumination unit residing for tunnel; Wherein, each multiple LED illumination unit comprises: R type LED module, G type LED module, Type B LED module, R type pwm driver, G type pwm driver, Type B pwm driver, controller, light synthesizer, feedback processor and original synthesis light analytic unit; Controller, according to the optical information of the corresponding LED illumination unit received from OPTICAL SENSORS and the positional information of corresponding LED illumination unit that receives from LED positional information input unit, produces the datum ray information that the light intensity of the light produced with expectation is relevant with light wave length.
Description
Technical field
The present invention relates to lighting field, more particularly, the present invention relates to a kind of LED tunnel illumination light adjusting system.
Background technology
LED (LightEmittingDiode) is a kind of solid-state semiconductor device, and it can be directly luminous energy electric energy conversion.The heart of LED is a semiconductor wafer, and one end of semiconductor wafer is attached on a support (as negative pole), and the other end of semiconductor wafer connects the positive pole of power supply, and whole wafer is got up by epoxy encapsulation.
Semiconductor wafer is made up of two parts, and a part is P type semiconductor, and inside it, occupy an leading position in hole, and the other end of semiconductor wafer is N type semiconductor, at this side mainly electronics.Time these two kinds of semiconductors couple together, between them, just form one " P-N junction ".
When electric current acts on this wafer by wire time, electronics will be pushed to P district, and in P district, electronics is with hole-recombination, then will send energy with the form of photon, the principle of LED luminescence that Here it is.And the wavelength of light determines the color of light, determine by forming P-N junction material.
Correspondingly, LED illumination utilizes solid semiconductor chip as luminescent material, release superfluous energy by charge carrier generation compound in the semiconductors and cause photo emissions, directly send red, yellow, blue, green light, on this basis, utilize the principle of three primary colours, add fluorescent material, the light of the random color such as red, yellow, blue, green, blue or green, orange, purple, white can be sent.LED illumination product utilizes LED as the produced ligthing paraphernalia of light source exactly.Three primary colors multi-chip illuminated in combination by LED RGB is synthesized to the situation of the light of other color, also there are the problems referred to above.
LED tunnel lamp is the one of Tunnel Lamp, and it is applied to the high power LED tunnel lamp illumination place area floodlightings such as tunnel, workshop, bulk storage plant, venue, metallurgy and all kinds of plant area, engineering construction.And, along with the day by day maturation of LED light source technology, illuminating industry has also carried out the investigation and application practice that LED applies in highway tunnel illumination, therefore, in tunnel illumination, combine advanced control mode, the light source of new generation of employing specular removal, good stability, life-span length will become a kind of demand and trend.By the three primary colors multi-chip illuminated in combination synthesize white light of LED RGB.The advantage of the method for this synthesize white light is that efficiency is high, colour temperature is controlled, color rendering is better.But the shortcoming of the method for this synthesize white light is that three primary colors light decay difference causes colour temperature unstable, and control circuit is more complicated, and cost is higher.
When designing LED tunnel illumination, consider that the bright of people is complied with and secretly comply with key element, focusing on the Lighting Design of changeover portion and changeover portion.In order to meet the request of human pilot eyes compliance, one section of light and shade transition lighting need be made at tunnel portal, to ensure certain eyesight request.Tunnel exit place because of the time of complying with very short.And, before entering tunnel (daytime): because the luminance difference inside and outside tunnel is very big, thus go from tunnel outer, the very not abundant tunnel portal that throws light on can see " black hole " phenomenon.After entering tunnel (daytime): even if after automobile enters not too dark tunnel by bright outside, the situation of tunnel internal will be seen clearly through certain hour ability, be called as " complying with delayed " phenomenon.Tunnel exit place: in the daytime, automobile is through longer tunnel close to when exporting, and due to high through exporting the outside illumination seen, outlet looks it is " white hole ", and can present extremely strong dazzle, driver can feel not comply with; Night and daytime are just in time contrary, and what tunnel exit was seen is not bright hole but black hole, and such driver does not just see the barrier on the line style of outside road and road.
Several special visual problem proposes higher request to LED tunnel illumination design above.
Summary of the invention
Technical problem to be solved by this invention is for there is above-mentioned defect in prior art, provides a kind of and considers the black hole phenomenon in tunnel, complies with the LED tunnel illumination light adjusting system of the problem such as hysteresis and white hole phenomenon.
According to the present invention, provide a kind of LED tunnel illumination light adjusting system, it comprises: R type LED module, G type LED module, Type B LED module, R type pwm driver, G type pwm driver, Type B pwm driver, controller, light synthesizer, feedback processor and original synthesis light analytic unit; Wherein, R type LED module transmits ruddiness to light synthesizer; G type LED module transmits green glow to light synthesizer; Type B LED module transmits blue light to light synthesizer; And wherein, R type pwm driver according to the R type PWM drive control signal of controller transmission for R type LED module provides R type PWM drive current, G type pwm driver according to the G type PWM drive control signal of controller transmission for G type LED module provides G type PWM drive current, Type B pwm driver according to the Type B PWM drive control signal of controller transmission for Type B LED module provides Type B PWM drive current; Wherein, original synthesis light analytic unit receives light compositing signal from light synthesizer; Wherein, feedback processor receives wavelength information signal from original synthesis light analytic unit; Wherein, light synthesizer synthesizes to obtain to synthesize light to the blue light that the ruddiness transmitted from R type LED module, the green glow come from the transmission of G type LED module and the transmission of Type B LED module come, and sends light compositing signal according to synthesis light to original synthesis light analytic unit; Wherein, original synthesis light analytic unit goes out to represent the synthesis wavelength of light and the wavelength of Intensity Analysis result and Intensity Analysis signal according to the light compositing calculated signals received from light synthesizer, and sends wavelength and Intensity Analysis signal to feedback processor; Wherein, feedback processor FB receives wavelength and Intensity Analysis signal from original synthesis light analytic unit, and receive datum ray information from controller, and compare wavelength and Intensity Analysis signal and datum ray information, the difference according to wavelength and Intensity Analysis signal and datum ray information obtains feedback signal; Controller is from feedback processor receiving feedback signals, and controller adjusts to the R type PWM drive control signal of R type pwm driver transmission, to the G type PWM drive control signal of G type pwm driver transmission and the Type B PWM drive control signal to the transmission of Type B pwm driver according to feedback signal, thus after the adjustment, the light synthesized by light that R type LED module, G type LED module and Type B LED module are launched become or more level off to expect synthesis light.
Preferably, R type LED module, G type LED module, Type B LED module are a LED string respectively.
Preferably, R type LED module, G type LED module, Type B LED module are a LED array module respectively.
According to the present invention, OPTICAL SENSORS and LED positional information input unit is utilized to obtain the light conditions at the tunnel location place residing for LED lamp and the tunnel location information residing for LED lamp, the information being suitable for the light of driver's human eye vision that this LED lamp sends is expected thus according to these acquisition of informations, and can to R type LED module, the wavelength of the light synthesized by light that G type LED module and Type B LED module send and intensity are analyzed, and compare with the wavelength of synthesis light expected and strength information, thus produce feedback information according to the difference between the wavelength of the wavelength of synthesized light and the synthesis light of expectation and intensity, and adjust to R type LED module according to feedback information, the drive current that G type LED module and Type B LED module provide, thus make the R type LED module after adjusting, the light synthesized by light that G type LED module and Type B LED module are launched become or more level off to expect synthesis light.Thus, the invention provides and a kind ofly consider the black hole phenomenon in tunnel, comply with the LED tunnel illumination light adjusting system of the problem such as hysteresis and white hole phenomenon.
Accompanying drawing explanation
By reference to the accompanying drawings, and by reference to detailed description below, will more easily there is more complete understanding to the present invention and more easily understand its adjoint advantage and feature, wherein:
Fig. 1 schematically shows the block diagram according to LED tunnel illumination light adjusting system of the present invention.
It should be noted that, accompanying drawing is for illustration of the present invention, and unrestricted the present invention.Note, represent that the accompanying drawing of structure may not be draw in proportion.Further, in accompanying drawing, identical or similar element indicates identical or similar label.
Embodiment
In order to make content of the present invention clearly with understandable, below in conjunction with specific embodiments and the drawings, content of the present invention is described in detail.
Fig. 1 schematically shows the block diagram according to LED tunnel illumination light adjusting system of the present invention.
As shown in Figure 1, LED tunnel illumination light adjusting system according to the present invention comprises: OPTICAL SENSORS M1, LED positional information input unit M2 and multiple LED illumination unit.
Tunnel comprises multiple LED illumination unit to throw light on to whole tunnel.
OPTICAL SENSORS M1 for sensing the light of the position of LED illumination unit residing for tunnel, and produces the optical information relevant with the light sensed, such as light intensity, optical wavelength etc.
LED positional information input unit M2 is for inputting the positional information of LED illumination unit residing for tunnel.Such as, the entrance in tunnel, outlet section or tunnel inner segment is positioned at.
Wherein each LED illumination unit comprises R type LED module LR, G type LED module LG, Type B LED module LB, R type pwm driver DR, G type pwm driver DG, Type B pwm driver DB, controller CR, light synthesizer LL, feedback processor FB and original synthesis light analytic unit WD.
Controller CR is according to the optical information of the corresponding LED illumination unit received from OPTICAL SENSORS M1 and the positional information of corresponding LED illumination unit that receives from LED positional information input unit M2, produce and expect the datum ray information SL that the light intensity of the light produced is relevant with light wave length, more particularly, the datum ray information SL that the light intensity of the light produced with expectation being suitable for residing tunnel location (whether tunnel portal or tunnel exit near) and light conditions is at that time relevant with light wave length is produced.
Such as, R type LED module LR, G type LED module LG, Type B LED module LB are a LED string respectively.Alternatively, R type LED module LR, G type LED module LG, Type B LED module LB are a LED array module respectively.
Wherein, R type LED module LR transmits ruddiness to light synthesizer LL; G type LED module LG transmits green glow to light synthesizer LL; Type B LED module LB transmits blue light to light synthesizer LL.
And wherein, the R type PWM drive control signal SR that transmits according to controller CR of R type pwm driver DR provides R type PWM drive current for R type LED module LR.
And wherein, the G type PWM drive control signal SG that transmits according to controller CR of G type pwm driver DG provides G type PWM drive current for G type LED module LG.
And wherein, the Type B PWM drive control signal SB that transmits according to controller CR of Type B pwm driver DB provides Type B PWM drive current for Type B LED module LB.
Wherein, original synthesis light analytic unit WD receives light compositing signal from light synthesizer LL.
Wherein, feedback processor FB receives wavelength information signal SW from original synthesis light analytic unit WD.
Wherein, light synthesizer LL to the ruddiness transmitted from R type LED module LR, to transmit the green glow that comes and Type B LED module LB from G type LED module LG and transmit the blue light come and synthesize to obtain to synthesize light, send light compositing signal according to synthesis light to original synthesis light analytic unit WD.
In addition, wherein, original synthesis light analytic unit WD goes out to represent the synthesis wavelength of light and the wavelength of Intensity Analysis result and Intensity Analysis signal SW according to the light compositing calculated signals received from light synthesizer LL, and sends wavelength and Intensity Analysis signal SW to feedback processor FB.
Wherein, feedback processor FB receives wavelength and Intensity Analysis signal SW from original synthesis light analytic unit WD, and receive datum ray information SL from controller CR, and compare wavelength and Intensity Analysis signal SW and datum ray information SL, the difference according to wavelength and Intensity Analysis signal SW and datum ray information SL obtains feedback signal SFB.
Wherein, datum ray information SL represents the wavelength information being superposed the synthesis light obtained by RGB of expection.Such as, datum ray information SL represents the wavelength information of the white light being superposed the synthesis light obtained by RGB.
Controller CR is from feedback processor FB receiving feedback signals SFB, because feedback signal SFB represents the difference of wavelength and Intensity Analysis signal SW and datum ray information SL, so the R type PWM drive control signal SR that controller CR can transmit to R type pwm driver DR according to feedback signal SFB adjustment, to the G type PWM drive control signal SG that G type pwm driver DG transmits, and to the Type B PWM drive control signal SB that Type B pwm driver DB transmits, thus after the adjustment, make R type LED module LR, the light synthesized by light that G type LED module LG and Type B LED module LB launches become or more level off to expect synthesis light.
Thus, according to the embodiment of the present invention, utilize OPTICAL SENSORS and LED positional information input unit to obtain the light conditions at the tunnel location place residing for LED lamp and the tunnel location information residing for LED lamp, expect according to these acquisition of informations the information being suitable for the light of driver's human eye vision that this LED lamp sends thus, and can to R type LED module LR, the wavelength of the light synthesized by light that G type LED module LG and Type B LED module LB sends and intensity are analyzed, and compare with the wavelength of synthesis light expected and strength information, thus produce feedback information according to the difference between the wavelength of the wavelength of synthesized light and the synthesis light of expectation and intensity, and adjust to R type LED module LR according to feedback information, the drive current that G type LED module LG and Type B LED module LB provides, thus make the R type LED module LR after adjusting, the light synthesized by light that G type LED module LG and Type B LED module LB launches become or more level off to expect synthesis light.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (3)
1. a LED tunnel illumination light adjusting system, is characterized in that comprising: OPTICAL SENSORS, LED positional information input unit and multiple LED illumination unit;
Wherein, OPTICAL SENSORS for sensing the light of the position of LED illumination unit residing for tunnel, and produces the optical information relevant with the light sensed;
LED positional information input unit is for inputting the positional information of LED illumination unit residing for tunnel;
Wherein, each multiple LED illumination unit comprises: R type LED module, G type LED module, Type B LED module, R type pwm driver, G type pwm driver, Type B pwm driver, controller, light synthesizer, feedback processor and original synthesis light analytic unit;
Controller, according to the optical information of the corresponding LED illumination unit received from OPTICAL SENSORS and the positional information of corresponding LED illumination unit that receives from LED positional information input unit, produces the datum ray information that the light intensity of the light produced with expectation is relevant with light wave length;
Wherein, R type LED module transmits ruddiness to light synthesizer; G type LED module transmits green glow to light synthesizer; Type B LED module transmits blue light to light synthesizer;
And wherein, R type pwm driver according to the R type PWM drive control signal of controller transmission for R type LED module provides R type PWM drive current, G type pwm driver according to the G type PWM drive control signal of controller transmission for G type LED module provides G type PWM drive current, Type B pwm driver according to the Type B PWM drive control signal of controller transmission for Type B LED module provides Type B PWM drive current;
Wherein, original synthesis light analytic unit receives light compositing signal from light synthesizer;
Wherein, feedback processor receives wavelength information signal from original synthesis light analytic unit;
Wherein, light synthesizer synthesizes to obtain to synthesize light to the blue light that the ruddiness transmitted from R type LED module, the green glow come from the transmission of G type LED module and the transmission of Type B LED module come, and sends light compositing signal according to synthesis light to original synthesis light analytic unit;
Wherein, original synthesis light analytic unit goes out to represent the synthesis wavelength of light and the wavelength of Intensity Analysis result and Intensity Analysis signal according to the light compositing calculated signals received from light synthesizer, and sends wavelength and Intensity Analysis signal to feedback processor;
Wherein, feedback processor receives wavelength and Intensity Analysis signal from original synthesis light analytic unit, and receive datum ray information from controller, and compare wavelength and Intensity Analysis signal and datum ray information, the difference according to wavelength and Intensity Analysis signal and datum ray information obtains feedback signal;
Controller is from feedback processor receiving feedback signals, and controller adjusts to the R type PWM drive control signal of R type pwm driver transmission, to the G type PWM drive control signal of G type pwm driver transmission and the Type B PWM drive control signal to the transmission of Type B pwm driver according to feedback signal, thus after the adjustment, the light synthesized by light that R type LED module, G type LED module and Type B LED module are launched become or more level off to expect synthesis light.
2. LED tunnel illumination light adjusting system according to claim 1, is characterized in that, R type LED module, G type LED module, Type B LED module are a LED string respectively.
3. LED tunnel illumination light adjusting system according to claim 1 and 2, is characterized in that, R type LED module, G type LED module, Type B LED module are a LED array module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583971.4A CN103025030B (en) | 2012-12-27 | 2012-12-27 | LED tunnel illumination light adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583971.4A CN103025030B (en) | 2012-12-27 | 2012-12-27 | LED tunnel illumination light adjusting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103025030A CN103025030A (en) | 2013-04-03 |
| CN103025030B true CN103025030B (en) | 2016-03-23 |
Family
ID=47973005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210583971.4A Active CN103025030B (en) | 2012-12-27 | 2012-12-27 | LED tunnel illumination light adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103025030B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179765A (en) * | 2013-04-22 | 2013-06-26 | 浙江大丰实业有限公司 | Stage light effect control system |
| CN103415113A (en) * | 2013-08-13 | 2013-11-27 | 厦门格绿能光电股份有限公司 | LED tunnel lamp system and brightness control method for LED tunnel lamps |
| DE102019208347A1 (en) * | 2019-06-07 | 2020-12-10 | Volkswagen Aktiengesellschaft | Method for operating a light-emitting diode module and light-emitting diode module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786903Y (en) * | 2004-02-23 | 2006-06-07 | 张晓云 | Energy-saving wireless control tunnel indicating lamp strip system |
| CN101222799A (en) * | 2007-01-12 | 2008-07-16 | 中强光电股份有限公司 | Method and control system for amending multiple light emitting diodes to output multiple monochromatic light |
| CN102176799A (en) * | 2011-01-17 | 2011-09-07 | 贵州大学 | Intelligent illuminating method and device for road tunnel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7348949B2 (en) * | 2004-03-11 | 2008-03-25 | Avago Technologies Ecbu Ip Pte Ltd | Method and apparatus for controlling an LED based light system |
-
2012
- 2012-12-27 CN CN201210583971.4A patent/CN103025030B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786903Y (en) * | 2004-02-23 | 2006-06-07 | 张晓云 | Energy-saving wireless control tunnel indicating lamp strip system |
| CN101222799A (en) * | 2007-01-12 | 2008-07-16 | 中强光电股份有限公司 | Method and control system for amending multiple light emitting diodes to output multiple monochromatic light |
| CN102176799A (en) * | 2011-01-17 | 2011-09-07 | 贵州大学 | Intelligent illuminating method and device for road tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103025030A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2984392B1 (en) | Ambient light monitoring in a lighting fixture | |
| CN104991406B (en) | Light source system, lighting device and projection device | |
| CN101449097B (en) | Lighting device and lighting method | |
| US9255677B2 (en) | Multi-tiered lighting system | |
| CN103682040A (en) | Lighting device, illuminating method, and application method for lighting device | |
| CN1967048B (en) | System, display apparatus and method for providing controlled illumination using internal reflection | |
| US20080055896A1 (en) | Systems, devices, components and methods for controllably configuring the color of light emitted by an automotive LED illumination system | |
| CN105121941B (en) | The luminous arrangement being distributed with controlled spectral properties and angle | |
| US10400970B2 (en) | Vehicle front lamp | |
| CN101688644A (en) | Lighting device and lighting method | |
| CN103037592B (en) | Light-emitting diode (LED) street lamp automatic control system and LED street lamp automatic control method | |
| CN101790264A (en) | Method for light-adjusting solar spectrum-like LED | |
| CN102141210A (en) | High color rendering index and high-brightness light lighting equipment and method for realizing multi color temperature regulation | |
| CN103101474A (en) | Lighting device of a vehicle | |
| CN103025030B (en) | LED tunnel illumination light adjusting system | |
| US20090225564A1 (en) | Vehicle light and led package | |
| CN105449081A (en) | Light emission module | |
| EP2123972A1 (en) | Light emitting diode street lamp having auxiliary lamp | |
| CN105914204A (en) | LED illumination module and LED lights | |
| CN106105393A (en) | For method and apparatus based on reflection optical alignment light output | |
| CN202127017U (en) | Light-emitting diode (LED) unit and LED lighting and displaying device | |
| CN105492822A (en) | Luminaire with selectable emission pattern | |
| US20030147242A1 (en) | White LED array | |
| CN202756978U (en) | White light-emitting diode (LED) lighting device adjustable in color temperature | |
| CN203297975U (en) | Light-emitting diode illuminating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160302 Address after: 315400 Zhejiang city of Ningbo province low Tong Street West of Yuyao City Village Applicant after: YUYAO JIJIA ELECTRICAL APPLIANCES CO., LTD. Address before: 315408 Zhejiang city of Ningbo province Yuyao City, Lan Jiang Jie Dao Feng Yang He Cun Applicant before: Zhu Peifen |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200622 Address after: 225651, Jiangsu City, Yangzhou province Gaoyou town industrial concentration zone Patentee after: JIANGSU HAOWEI TRAFFIC GROUP Co.,Ltd. Address before: 315400 Zhejiang city of Ningbo province low Tong Street West of Yuyao City Village Patentee before: YUYAO JIJIA ELECTRICAL APPLIANCES Co.,Ltd. |