CN103068112A - Method of light-emitting diode (LED) lamp smart lighting adjustment and system thereof - Google Patents

Method of light-emitting diode (LED) lamp smart lighting adjustment and system thereof Download PDF

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Publication number
CN103068112A
CN103068112A CN2012105629557A CN201210562955A CN103068112A CN 103068112 A CN103068112 A CN 103068112A CN 2012105629557 A CN2012105629557 A CN 2012105629557A CN 201210562955 A CN201210562955 A CN 201210562955A CN 103068112 A CN103068112 A CN 103068112A
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Prior art keywords
color
led
network node
rgb
mobile terminal
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CN2012105629557A
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CN103068112B (en
Inventor
李斌
林少宏
郑炜乔
马里千
杨锋超
龙有焕
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

A method of light-emitting diode (LED) lamp smart lighting adjustment comprises the following steps: users use a client application programme developed on a smart mobile terminal, and choose an arbitrary way of four lighting adjustment ways which are red green blue (RGB) lighting adjustment, color selective lighting adjustment, picture color picking, and color matching with music, the client application programme executes corresponding algorithm to transmit the got control parameters to a network node through wireless fidelity (wifi), the network node processes data and transmits the data to a control node through wireless radio frequency communication, an LED driving circuit is controlled by pulse width modulation (PWM) signals which are output by a micro controller unit (MCU) of the control node to adjust the light color and brightness of an LED scene light. A lighting adjustment system for achieving the method of LED lamp smart lighting adjustment comprises the smart mobile terminal, the network node, the control node, a low-power direct current (DC)/DC constant current output control circuit and an LED lamp. The method of LED lamp smart lighting adjustment and system for the method have the advantages of more humanization, novel lighting adjustment ways, and intelligence which enhances the visual effect of the LED sense lamp, meets the requirements of application intellectualization and the like.

Description

A kind of LED lamp intelligent dimming method and system thereof
Technical field
The present invention relates to a kind of LED dimming control technique, particularly a kind of LED lamp intelligent dimming method and system thereof.
Background technology
Along with socioeconomic development, the demand of low energy makes the LED lamp obtain very wide popularizing and using, and the application based on led light source is also increased thereupon, and the intelligent lighting of LED also increases gradually in the application of Smart Home and other field.The LED scene lamp light adjusting system that provides on the current market is the constant color according to prior setting mostly, or throw light on by the color that a certain rule changes, have a cover control appliance of one's own, yet can not demonstrate fully intelligent lighting, very hommization reach the sight rendering effect.
Summary of the invention
For the shortcoming and deficiency that overcome prior art, primary and foremost purpose of the present invention is to provide a kind of LED lamp intelligent dimming method, and the method gives comfortable perfect visual enjoyment so that dimming mode has more hommization, variation.
Shortcoming and deficiency in order to overcome prior art another object of the present invention is to provide the light adjusting system of realizing LED lamp intelligent dimming method.
Primary and foremost purpose of the present invention is achieved through the following technical solutions: a kind of LED lamp intelligent dimming method and system thereof may further comprise the steps:
S1 user uses intelligent mobile terminal, in client application, select a picture that is used for picking up look, client application will sample, calculate picture, draws the rgb value (wherein: R representative is red, the G representative is green, B represent indigo plant) of several main color in the picture;
The user can the choice for use picture picks up look or music is followed color matching, then carries out step S2 if select picture to pick up look; Then carry out step S3 if select music to follow color matching;
The S2 client application sends to network node with the rgb value of the several color that obtains among the step S1; Then carry out step S4;
S3 utilizes HSV model (wherein: H represent tone, S represent saturation, V represents lightness) to the mapping relations of RGB model the rgb value of the several color that obtains among the step S1 to be mapped as the HSV value.
The user selects one for the song of following color matching in client application, client application will carry out real-time sampling to song in playback of songs, obtain the real-time volume of song, frequency spectrum data, and in conjunction with the HSV value of shining upon before this several color that obtains, calculate in real time the new HSV value that merges after the music, recycling RGB model is mapped as new rgb value to the mapping relations of HSV model with new HSV value, and sends to network node;
After the RGB control parameter that the S4 network node is received, through being packaged into packet, by the wireless radio frequency transmission agreement, can carry out data communication with a plurality of control nodes;
After S5 control node was received packet, the duty ratio of regulating the pwm signal of processor output realized pulse width modulating technology, and color and brightness that the DC/DC constant flow output drive circuit of Computer Aided Design is controlled the LED light fixture change.
Step S1 is described to be sampled, calculates picture, specifically may further comprise the steps:
Consider the computing capability that intelligent mobile terminal is limited, for the image of m*n size, get k*k sampling point (k<=m, n).
Simultaneously for 256 cube kind color of RGB model count, amount of calculation and memory space required when sorting be excessive, and the human eye resolution capability is limited, therefore need color is carried out clustering processing, be clustered into 512 kinds of colors, these 512 kinds of colors can represent and more intactly embody the color of a secondary picture.
Behind the color cluster to square point of the k of picture, after calculating, sorting, obtain the maximum several colors of quantity.
Step S3 is described to calculate the new HSV value that merges after the music, specifically may further comprise the steps:
Consider that throw light on employed RGB model and people of LED hardware do not have good corresponding relation to the sensation of color, used relatively to meet the people HSV model of color intuitivism apprehension is carried out the adjusting of parameter for this reason.Too lofty in order to prevent color change, do not change the H parameter among the HSV here, and with Real-time Collection to song volume data, S, the V parameter that frequency data are mapped as respectively new HSV value.The numerical value of considering volume and frequency all is to change near median the scope, with the variation of color performance music, has adopted piecewise linear mapping function to carry out the parameter value calculation of new HSV value for more significantly.
Color and the brightness of the described control of step S5 LED light fixture change, and specifically may further comprise the steps:
The control node side can be according to different design capacities, the many groups of access LED light fixture, and the LED light fixture utilizes the principle of three primary colours that three kinds of ultra-high brightness LEDs of red, green, blue are mixed into white light and multiple colourama.Red, green, blue three looks of each LED light fixture are lighted by the DC/DC constant-current drive circuit of three groups of identical PWM patterns respectively, regulate preprocessor through parameter and produce the pwm signal of three tunnel different duty as the parameter of small-power DC/DC constant-current drive circuit, and then reaching the purpose of LED light modulation, color and the brightness of controlling intelligently the LED light fixture change.
Another object of the present invention is achieved through the following technical solutions: realize the light adjusting system of LED lamp intelligent dimming method, comprise intelligent mobile terminal, network node, control node, small-power DC/DC constant current output control circuit, LED light fixture;
Described intelligent mobile terminal is user's portable mobile terminal platform; Described network node carries out the network interconnection with intelligent mobile terminal communicates by letter, and as the bridge of man-machine interaction, carries out twireless radio-frequency communication with a plurality of control nodes; Described control node and network node carry out twireless radio-frequency communication, and small-power DC/DC constant current output control circuit is controlled; Described small-power DC/DC constant current output control circuit is connected with the LED light fixture, and it is driven.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) the invention provides a kind of LED lamp intelligent dimming method and system thereof, utilize portable portable terminal to control, the control of realization remote intelligent utilizes picture to pick up look and tone color is followed the intelligent sight illumination that has realized LED, has certain technological development value and market application potential.
(2) the present invention realizes the visual rendition effect of picture and music by proposing new light-dimming method and system thereof, makes the LED illumination have more hommization, will widen to a certain extent the application of LED.
Description of drawings
Fig. 1 is the composition frame chart of LED lamp Intelligent Light-control System of the present invention.
Fig. 2 is the flow chart of light-dimming method of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, the intelligent LED scene lamp light adjusting system of the present embodiment comprises intelligent mobile terminal, network node, control node, small-power DC/DC constant current output control circuit, LED light fixture.
Described intelligent mobile terminal is user's portable mobile terminal platform; Described network node carries out the transmission intermediary of information interaction as intelligent mobile terminal and control node; Described control node is used for producing simultaneously the multi-channel PWM control signal, and described small-power DC/DC constant current output control circuit realizes that pulse modulation technology is to the control of LED light fixture.
The intelligent mobile terminal of this example need be installed client application, and client application calculates the rgb value of color according to user's selection, and sends to network node by intelligent mobile terminal by wifi
The network node of the present embodiment mainly is made of MCU and network chip and radio frequency chip, has stronger its communication ability.It is as the bridge of human-machine interactive information, will carry out preliminary treatment from the control parameter that intelligent terminal obtains after, by less radio-frequency, carry out the radio communication of real time data with a plurality of control nodes.
The control node of the present embodiment mainly is made of MCU and radio frequency chip, by radio communication, obtains the control parameter from network node, utilizes the powerful disposal ability of MCU, how has exported simultaneously pwm signal.
The small-power DC/DC constant current output control circuit of the present embodiment mainly is made of power switch pipe and driving chip, the different pwm signal of duty ratio that utilization strengthens through the chip drives of overdriving, come the turn-on and turn-off time of power ratio control switching tube, and then change the voltage of exporting to the LED lamp, realize the Switching Power Supply control of constant current output.
Above-mentioned LED lamp intelligent dimming method may further comprise the steps:
The client application of installing on the S1 intelligent mobile terminal has four kinds of dimming modes to user selection, is respectively the RGB light modulation, selects that tone light, picture pick up look, music is followed color matching.If step S2 is then carried out in user selection RGB light modulation, if user selection selects tone light then to carry out step S3, follow color matching and then carry out step S4 if the user selection picture picks up look or music;
S2 user directly inputs the rgb value of color, and client application will send to network node to rgb value, then carries out step S6;
The S3 client application will offer the chromaticity diagram of a standard of user, the color that the user can select oneself and want at the chromaticity diagram mid point, and the rgb value of the pixel that client application will click the user sends to network node, then carries out step S6;
S4 user is a free picture that is used for picking up look in client application, and client application will sample, calculate picture, draws the rgb value (wherein: the R representative is red, the G representative is green, B represent indigo plant) of several main color in the picture.Be specially: for the image of m*n size, get k*k sampling point (k<=m, n), and the color of sampling point carried out clustering processing, 256 cube kind color cluster is become 512 kinds of colors, by 512 kinds of colors sampling point is counted, sorted, obtain 4 kinds of maximum colors of quantity.
If the user selects picture to pick up look in step S1, then the rgb value of client application 4 kinds of colors that will obtain sends to network node, then carries out step S6; If the user selects music to follow color matching, then carry out step S5 in step S1;
S5 utilizes HSV model (wherein: H represent tone, S represent saturation, V represents lightness) to the mapping relations of RGB model the rgb value of 4 kinds of colors obtaining among the step S4 to be mapped as the HSV value.
The user selects one for the song of following color matching in client application, client application will carry out real-time sampling to song in playback of songs, obtain the real-time volume of song, frequency spectrum data.
With the H parameter of the HSV value of the 4 kinds of colors H parameter as new HSV value, with Real-time Collection to song volume data, frequency data are mapped as respectively new HSV value with piecewise linear mapping function S, V parameter:
y = 0 , x &le; a 1 b - a ( x - a ) , a < x < b 1 , x &GreaterEqual; b
Wherein, x is volume data, frequency data, and a, b are the boundary of function segmentation, and y adopts normalized parameter herein for the S of the rear new HSV value of mapping, the value of V parameter, and scope is in [0,1].
The user can adjust the value of parameter a, the b of mapping function and adjust the mapping effect.
Utilize the RGB model to the mapping relations of HSV model new HSV value to be mapped as new rgb value, and send to network node;
After the S6 network node utilizes the Internet to receive the control parameter of a plurality of RGB, according to the requirement of twireless radio-frequency communication host-host protocol, encapsulate data into bag after, carry out real-time Data Transmission with a plurality of control nodes;
S7 control node is according to the request of data of receiving, the duty ratio of the pwm signal of regulation output, the pwm signal of different duty is behind overdrive circuit, the turn-on and turn-off time to power switch pipe is controlled, constant current output is lighted three primary colors red, green, blue LED, and the mixing of the different brightness of three-primary color LED can realize colored gorgeous display effect.
Above-described embodiment is the better execution mode of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims (5)

1. a LED lamp intelligent dimming method is characterized in that, may further comprise the steps:
S1, user use intelligent mobile terminal, in client application, select a picture that is used for picking up look, client application will sample, calculate picture, draws the rgb value of several main color in the picture, and wherein: the R representative is red, the G representative is green, B represents blue;
The user can the choice for use picture picks up look or music is followed color matching, then carries out step S2 if select picture to pick up look; Then carry out step S3 if select music to follow color matching;
S2, client application send to network node with the rgb value of the several color that obtains among the step S1; Then carry out step S4;
S3, utilize the HSV model, wherein: H represents that tone, S represent saturation, V represents lightness, to the mapping relations of RGB model the rgb value of the several color that obtains among the step S1 is mapped as the HSV value;
The user selects one for the song of following color matching in client application, client application will carry out real-time sampling to song in playback of songs, obtain the real-time volume of song, frequency spectrum data, and in conjunction with the HSV value of shining upon before this several color that obtains, calculate in real time the new HSV value that merges after the music, recycling RGB model is mapped as new rgb value to the mapping relations of HSV model with new HSV value, and sends to network node;
After the RGB control parameter that S4, network node are received, through being packaged into packet, by the wireless radio frequency transmission agreement, can carry out data communication with a plurality of control nodes;
After S5, control node were received packet, the duty ratio of regulating the pwm signal of processor output realized pulse width modulating technology, and color and brightness that the DC/DC constant flow output drive circuit of Computer Aided Design is controlled the LED light fixture change.
2. LED lamp intelligent dimming method according to claim 1 is characterized in that, picture is sampled and calculated among the step S1 may further comprise the steps:
Consider the computing capability that intelligent mobile terminal is limited, be the image that m multiply by n for size, get square sampling point of k, the line number of described m presentation video pixel, the columns of n presentation video pixel, k represent line number and the columns of sampled point, count for 256 cube kind color of RGB model simultaneously and sort, and color carried out clustering processing, be clustered into 512 kinds of colors;
Behind the color cluster to square point of the k of picture, carry out color counting and the ordering of sampling point, by the ranking results that sampling point is counted, obtain sampling point maximum color of counting.
3. LED lamp intelligent dimming method according to claim 1, it is characterized in that, step S3 is described to calculate the new HSV value that merges after the music, comprise: do not change the H parameter among the HSV, and with Real-time Collection to song volume data, S, the V parameter that frequency data are mapped as respectively new HSV value, and adopt piecewise linear mapping function to carry out the parameter value calculation of new HSV value.
4. LED lamp intelligent dimming method according to claim 1 is characterized in that, the color of the control LED light fixture among the step S5 and brightness change, and may further comprise the steps:
S1, control node can be according to different design capacities, the many groups of access LED light fixture, and the LED light fixture utilizes the principle of three primary colours that three kinds of ultra-high brightness LEDs of red, green, blue are mixed into white light and multiple colourama;
Red, green, blue three looks of S2, each LED light fixture are lighted by the DC/DC constant-current drive circuit of three groups of identical PWM patterns respectively, regulate three road pwm signals of preprocessor generation as the parameter of small-power DC/DC constant-current drive circuit through parameter.
5. realize the light adjusting system of LED lamp intelligent dimming method claimed in claim 1, it is characterized in that, comprising: intelligent mobile terminal, network node, control node, small-power DC/DC constant current output control circuit and LED light fixture;
Described intelligent mobile terminal is user's portable mobile terminal platform; Described network node and intelligent mobile terminal communicate by local area network (LAN), and carry out twireless radio-frequency communication with a plurality of control nodes; Described control node and network node carry out twireless radio-frequency communication, and small-power DC/DC constant current output control circuit is controlled; Described small-power DC/DC constant current output control circuit driving LED light fixture.
CN201210562955.7A 2012-12-20 2012-12-20 Method of light-emitting diode (LED) lamp smart lighting adjustment and system thereof Expired - Fee Related CN103068112B (en)

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CN103228092A (en) * 2013-05-08 2013-07-31 上海宏源照明电器有限公司 Independent frequency output circuit capable of inhibiting electromagnetic wave interference of electrodeless lamp and modulation method
CN103987166A (en) * 2014-05-09 2014-08-13 苏州乐聚一堂电子科技有限公司 Automatic identification system for karaoke lighting effects
CN104994618A (en) * 2015-06-04 2015-10-21 青岛优美加智能科技有限公司 Intelligent LED integrated lighting system
CN105517222A (en) * 2015-12-01 2016-04-20 小米科技有限责任公司 Light adjustment method and device
CN105611693A (en) * 2015-12-29 2016-05-25 北京爱情说科技有限公司 Control method and apparatus for audio device and dimming lamp
CN106793329A (en) * 2017-01-06 2017-05-31 广东德洛斯照明工业有限公司 A kind of automatic light-supplementing method based on RGBW
CN106912155A (en) * 2017-05-09 2017-06-30 杨廉 Lamp light control method
WO2017120845A1 (en) * 2016-01-14 2017-07-20 邓娟 Method and lamp for lighting control
WO2017120843A1 (en) * 2016-01-14 2017-07-20 邓娟 Data collection method and lamp for lighting-control technology
WO2017120844A1 (en) * 2016-01-14 2017-07-20 邓娟 Method for pushing information when controlling lighting and light
CN107018608A (en) * 2017-03-16 2017-08-04 深圳创维-Rgb电子有限公司 A kind of method and system of control device appearance color change
CN107172792A (en) * 2017-07-10 2017-09-15 东莞市三恩照明实业有限公司 A kind of APP music intelligent lamps of tunable optical toning
WO2017186153A1 (en) * 2016-04-29 2017-11-02 深圳佳比泰智能照明股份有限公司 Method and apparatus for synchronously controlling lamps by using mobile terminal
CN107835544A (en) * 2017-11-15 2018-03-23 惠州市物联微电子有限公司 A kind of RGB three-color LED music lamp systems based on network control
CN108135050A (en) * 2017-12-19 2018-06-08 惠州市物联微电子有限公司 A kind of pickup LED toning lamps
CN105611694B (en) * 2015-12-30 2018-10-16 北京经纬恒润科技有限公司 A kind of color configuration method and apparatus of atmosphere lamp
WO2018214752A1 (en) * 2017-05-22 2018-11-29 北京广安睡眠科学研究院 Method, device, and system for controlling integrated lighting and audio apparatus
CN111246621A (en) * 2020-01-10 2020-06-05 江门市征极光兆科技有限公司 WiFi technology-based neon light strip control system

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CN103987166A (en) * 2014-05-09 2014-08-13 苏州乐聚一堂电子科技有限公司 Automatic identification system for karaoke lighting effects
CN104994618B (en) * 2015-06-04 2018-07-06 深圳市博普森机电顾问有限公司 Intelligent LED integrates illumination system
CN104994618A (en) * 2015-06-04 2015-10-21 青岛优美加智能科技有限公司 Intelligent LED integrated lighting system
CN105517222A (en) * 2015-12-01 2016-04-20 小米科技有限责任公司 Light adjustment method and device
CN105611693A (en) * 2015-12-29 2016-05-25 北京爱情说科技有限公司 Control method and apparatus for audio device and dimming lamp
CN105611694B (en) * 2015-12-30 2018-10-16 北京经纬恒润科技有限公司 A kind of color configuration method and apparatus of atmosphere lamp
WO2017120845A1 (en) * 2016-01-14 2017-07-20 邓娟 Method and lamp for lighting control
WO2017120843A1 (en) * 2016-01-14 2017-07-20 邓娟 Data collection method and lamp for lighting-control technology
WO2017120844A1 (en) * 2016-01-14 2017-07-20 邓娟 Method for pushing information when controlling lighting and light
WO2017186153A1 (en) * 2016-04-29 2017-11-02 深圳佳比泰智能照明股份有限公司 Method and apparatus for synchronously controlling lamps by using mobile terminal
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CN106793329A (en) * 2017-01-06 2017-05-31 广东德洛斯照明工业有限公司 A kind of automatic light-supplementing method based on RGBW
CN106793329B (en) * 2017-01-06 2018-11-30 广东德洛斯照明工业有限公司 A kind of automatic light-supplementing method based on RGBW
CN107018608A (en) * 2017-03-16 2017-08-04 深圳创维-Rgb电子有限公司 A kind of method and system of control device appearance color change
CN106912155A (en) * 2017-05-09 2017-06-30 杨廉 Lamp light control method
WO2018214752A1 (en) * 2017-05-22 2018-11-29 北京广安睡眠科学研究院 Method, device, and system for controlling integrated lighting and audio apparatus
CN107172792A (en) * 2017-07-10 2017-09-15 东莞市三恩照明实业有限公司 A kind of APP music intelligent lamps of tunable optical toning
CN107835544A (en) * 2017-11-15 2018-03-23 惠州市物联微电子有限公司 A kind of RGB three-color LED music lamp systems based on network control
CN108135050A (en) * 2017-12-19 2018-06-08 惠州市物联微电子有限公司 A kind of pickup LED toning lamps
CN111246621A (en) * 2020-01-10 2020-06-05 江门市征极光兆科技有限公司 WiFi technology-based neon light strip control system

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