CN102098846A - Intelligent energy-saving LED (light emitting diode) lamp control system - Google Patents
Intelligent energy-saving LED (light emitting diode) lamp control system Download PDFInfo
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- CN102098846A CN102098846A CN2011100230832A CN201110023083A CN102098846A CN 102098846 A CN102098846 A CN 102098846A CN 2011100230832 A CN2011100230832 A CN 2011100230832A CN 201110023083 A CN201110023083 A CN 201110023083A CN 102098846 A CN102098846 A CN 102098846A
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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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Abstract
The invention discloses an intelligent energy-saving LED (light emitting diode) lamp control system, comprising a transformer power supply module, an infrared detecting module of a human body, a photosensitive sensor, two paths of signal isolating circuits, an A/D (analog-to-digital) conversion module, a singlechip control module and an LED brightness adjusting module, wherein the infrared detecting module of a human body adopts a pyroelectric sensor to convert the detected infrared signals into electronic signals; the photosensitive sensor is used for converting the detected environment brightness signals into the electronic signals; the LED brightness adjusting module adopts PWM (pulse width modulation) modulation to adjust the output power of the LED by adjusting the duty ratio of a forward current flowing through the LED; the signal isolating circuits are used for isolating interference of other signals in detecting weak signals; the infrared detecting module of a human body and the photosensitive sensor are respectively connected with the two paths of signal isolating circuits; the isolating circuits are respectively connected with the A/D conversion module; the A/D conversion circuit is connected with the I port of a singlechip; and the O port of the singlechip is connected with the LED brightness adjusting module.
Description
Technical field
The present invention a kind ofly relates generally to optics, LED field about the LED lamp being carried out the system of intelligent power saving control, mainly is applicable to the intelligent power saving control of indoor LED lamp.
Background technology
Present LED lamp intelligent power saving control technology is just simply utilized transducer, and whether according to the someone controls the switch of lamp, does not consider that in the case lamp is being opened the situation that continues power consumption and influence the LED lamp life-span itself under the enough prerequisite of indoor and exterior ambient environment brightness, luminous intensity.
Simultaneously, because eye is responsive especially to light, brightness threshold range of suitable its work is arranged.If the little scope therewith of brightness, then eyes see that thing is more painstaking, and it is also unhealthful to go down to cause eyesight to descend for a long time; If the surrounding environment brightness is too strong, has not only wasted the energy, and influenced the health of eyes and the life-span of lamp itself too by force owing to brightness stimulates.Present existing technology also only is the luminous power of how to remove to regulate LED from energy-conservation angle consideration, the optical property parameter requirement when not considering eye work, and independent consideration uses a certain technology multiple function not to be combined application.
The low-carbon (LC) epoch arrive, because the problems referred to above also being contrary to " low-carbon (LC) " these themes of the times, waste energy, and the working healthily of eye is caused certain influence.
Therefore, can design a kind of the existence with the brightness situation of indoor environment and control the automatic switch of LED lamp and the brightness parameter of its output optimum human eye work of control, just become the technical problem of needing solution badly according to indoor whether someone.
Summary of the invention
At the defective of above-mentioned prior art, the invention provides a kind of intelligent power saving LED lighting control system, can be according to whether the someone exists the switch of regulating the LED lamp to reach the purpose of automatic control in the certain space zone; Another object of the present invention has been to provide a kind of device that helps the intelligent brightness output of LED lamp of eyes work, reaches purpose intelligent, energy-conservation, healthy, that accurately control.
The object of the present invention is achieved like this:
The invention discloses a kind of intelligent power saving LED lighting control system, comprise transformation supply module, human body infrared detection module, light sensor, two paths of signals buffer circuit, A/D modular converter, single chip control module, LED brightness regulation module.Human body infrared detection module adopts pyroelectric sensor, is used for the human body infrared signal that detects is converted into the signal of telecommunication and carries out processing and amplifying; Light sensor is used for detected interior space environmental light brightness signal is converted into the signal of telecommunication; LED brightness regulation module adopts PWM pulse-width regulated mode, and the forward current duty that flows through LED according to adjusting recently reaches adjusting LED brightness output power purpose; The order of signal isolation circuit is in order to remove the interference of other signal to the sensor small-signal; Human body infrared detection module is connected with the two paths of signals buffer circuit respectively with light sensor, and buffer circuit is connected with the A/D modular converter respectively, and the A/D change-over circuit connects single-chip microcomputer I mouth, and single-chip microcomputer O mouth is connected with LED brightness regulation module.
When described LED lighting control system is worked, in a single day when having the people to enter the working range (zone radius is scalable according to the actual requirements) of described lighting control system, pyroelectric sensor receives human body infrared signal (8～10 microns), infrared signal is converted to voltage signal is input to signal isolation circuit and goes to disturb; Simultaneously, light sensor detects the brightness of surrounding environment, light signal is converted into voltage signal and is input to signal isolation circuit to go to disturb; Infrared signal through going to disturb and light signal are changed through A/D again; become digital signal and be input to control chip; control chip carries out corresponding calculated, processing with input signal; export control signal then by changing the duty ratio of LED forward current; and then the brightness power output of control LED; reach the brightness of the most suitable eye work scope that provides, the purpose of protection eye health and energy-conservation Based Intelligent Control.If this control system working region nobody occurs, then lamp is not worked, and guarantees not waste electric energy.
Specifically, the invention discloses a kind of intelligent power saving LED lighting control system, be mainly used in indoor LED Lantern Festival energy, Based Intelligent Control, this device comprises: the transformation module, human body infrared detection module, light sensor, two signal isolation circuit, the A/D modular converter, single chip control module, LED brightness regulation module, human body infrared detection module is connected with the two paths of signals buffer circuit respectively with light sensor, buffer circuit is connected with the A/D modular converter respectively, the A/D change-over circuit connects single-chip microcomputer I mouth, and single-chip microcomputer O mouth is connected with switch and LED brightness regulation module.
In some indoor scenarios, when needing room light brightness strong, described intelligent lighting control system also can be realized manually operated purpose.
Description of drawings
Fig. 1 is a block diagram of the present invention;
Fig. 2 is a control system program flow diagram of the present invention.
Embodiment
Embodiment: as Fig. 1 is a kind of intelligent power saving LED lighting control system, and this device comprises that transformation module, human body infrared detection module, light sensor, two signal isolation circuit, A/D modular converter, single chip control module, LED brightness regulation modules form.
In the present embodiment, what the transformation supply module adopted is common power supply; Human body infrared detection module adopts common pyroelectric sensor on the market, mainly comprises infra-red detection unit, fresnel prism and peripheral circuit; What light sensor adopted is common photo resistance; What LED brightness regulation module adopted is PWM pulse-width regulated mode.
In the present embodiment, the connected mode of main devices is: the input port of transformation supply module is electrically connected with the city, and the copper cash that output port lays on circuit board is connected with the signal input part of pyroelectric sensor, light sensor and single-chip microcomputer; Light sensor is installed in the lamp housing outside, avoids the luminosity influence of fluorescent tube itself, is connected by the input of lead with buffer circuit 1, and the purpose of buffer circuit is to eliminate the influence of other signal to the sensor acquisition signal; Described human body infrared detection module, employing be pyroelectric sensor, pyroelectric sensor is used to survey human body infrared signal, its output is connected with buffer circuit 2 through copper cash; The output of buffer circuit 1, buffer circuit 2 is connected through copper cash with A/D modular converter 1, A/D modular converter 2 respectively, the function of A/D conversion be respectively with sensor acquisition to analog signal carry out analog-to-digital conversion, the output digital signal; The output of A/D1, A/D2 is connected with the signal input of single-chip microcomputer respectively, and described single-chip microcomputer is a programmable logic device, and two or more signal inputs, output (I/O) port are arranged; One road output port of single-chip microcomputer is connected with PWM pulse-width regulated module through copper conductor, carries out computing according to data input signal, the output signal of control PWM module; PWM pulse-width regulated module reaches the purpose of the power output of control LED through the electric current of LED by control flows.
Fig. 2 is the program flow diagram of present embodiment single-chip microcomputer inside: this flow chart is that the explanation single-chip microcomputer is judged, controlled according to the input condition of outer signals, and exports the purpose of different signals with control PWM module input signal.
In the present embodiment, the concrete workflow of this lighting control system is as follows: when described intelligent power saving LED lamp working region nobody occurs, then force to turn off the light; When the people enters the monitoring range of described control system pyroelectric sensor, pyroelectric sensor is sent into the single-chip microcomputer signal input port with this signal through conversion process, simultaneously, light sensor is sent into the treated change-over circuit module of detected environmental light brightness signal the signal input port of single-chip microcomputer, as the brightness Lx of environment during (Lm be the upper limit of suitable scope) more than or equal to Lm, the single-chip microcomputer output signal is closed the LED lamp by the PWM module controls, and the brightness requirement when illuminance in the environment satisfies the eyes operate as normal fully is described; When the illuminance of environment during smaller or equal to L0, atomic weak can the ignoring of illuminance in the environment is described, the single-chip microcomputer output signal is given PWM module, and PWM output signal control LED brightness output power Lz makes eyes work under the brightness environment of optimum; When the illuminance Lx of environment was between L0 and Lm, single-chip microcomputer deducted Lx according to formula Lz, can draw the power output of LED, single-chip microcomputer output control signal corresponding control PWM pulse-width regulated duty ratio, the brightness power output of regulating LED indirectly.
Claims (5)
1. intelligent power saving LED lighting control system, this device is by the transformation supply module, the human body infrared detection module, light sensor, signal isolation circuit, the A/D converting unit, single chip control module, LED brightness adjustment module is formed, human body infrared detection module is connected with the two paths of signals buffer circuit respectively with light sensor, buffer circuit is connected with A/D modular converter input port respectively, A/D conversion delivery outlet connects single-chip microcomputer I mouth, single-chip microcomputer O mouth is connected with LED brightness adjustment module, it is characterized in that: described Single-chip Controlling program is embedded with brightness and calculates processing and control output module, is used for judging and controlling according to the luminous efficacy function input signal of environmental light brightness and eye the brightness of LED lamp output optimum eye operate as normal.
2. intelligent power saving LED lighting control system according to claim 1 is characterized in that: described human body infrared detection module comprises infrared detecting unit, fresnel prism and signal processing circuit unit.
3. intelligent power saving LED lighting control system according to claim 2 is characterized in that: what described light sensor adopted is photo resistance, and the brightness signal that is used for collecting converts the signal of telecommunication that is directly proportional with light intensity to through opto-electronic conversion.
4. intelligent power saving LED lighting control system according to claim 3 is characterized in that: described LED brightness regulation module is to adopt the PWM pulse modulation technology or adopt SET resistance adjustment mode or linear regulation mode.
5. intelligent power saving LED lighting control system according to claim 1 is characterized in that: described lighting control system also can carry out Artificial Control.
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| CN2011100230832A CN102098846A (en) | 2011-01-20 | 2011-01-20 | Intelligent energy-saving LED (light emitting diode) lamp control system |
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| CN2011100230832A CN102098846A (en) | 2011-01-20 | 2011-01-20 | Intelligent energy-saving LED (light emitting diode) lamp control system |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355775A (en) * | 2011-08-26 | 2012-02-15 | 江苏同辉照明科技有限公司 | Energy-saving type LED street lamp and energy-saving control method thereof |
| CN102612221A (en) * | 2012-03-02 | 2012-07-25 | 苏州奥赛医疗科技有限公司 | LED reflection operating-lamp control system for dentistry department |
| CN102883496A (en) * | 2011-07-14 | 2013-01-16 | 陈家德 | Safety monitoring and lighting device for two-order type light emitting diode |
| CN103561518A (en) * | 2013-11-08 | 2014-02-05 | 桂林机床电器有限公司 | Household intelligent dimming system |
| CN103716947A (en) * | 2012-10-09 | 2014-04-09 | 鲍方云 | Intelligent healthy LED cloud illumination fluorescent lamp capable of comprehensive perception |
| CN104302061A (en) * | 2014-10-28 | 2015-01-21 | 无锡港湾网络科技有限公司 | Intelligent corridor lighting system |
| CN104766220A (en) * | 2015-03-19 | 2015-07-08 | 深圳市振元数码有限公司 | Internet of things cloud identification system and control method thereof |
| CN104879708A (en) * | 2014-05-28 | 2015-09-02 | 九牧厨卫股份有限公司 | Discolored bathroom mirror |
| CN105276518A (en) * | 2015-10-27 | 2016-01-27 | 刘红 | Development of healthy and nutritional LED (Light Emitting Diode) light source apparatus |
| CN105357817A (en) * | 2015-11-02 | 2016-02-24 | 苏州美达瑞电子有限公司 | Adaptive cloakroom lighting method based on pyroelectric infrared sensor |
| CN105392237A (en) * | 2015-12-23 | 2016-03-09 | 成都雷纳斯科技有限公司 | Multifunctional control system for hybrid LED lamp |
| CN105517234A (en) * | 2015-12-23 | 2016-04-20 | 成都雷纳斯科技有限公司 | Hybrid type multi-circuit multifunctional control system for LED lamp |
| CN105611705A (en) * | 2016-03-31 | 2016-05-25 | 苏州长玖节能科技服务有限公司 | Control system of energy-saving fluorescent lamp |
| CN105722267A (en) * | 2014-12-22 | 2016-06-29 | 陈家德 | Active Infrared Sensing Electric Switch And Lighting Appliance |
| CN105813349A (en) * | 2016-03-31 | 2016-07-27 | 苏州长玖节能科技服务有限公司 | Control system for energy-saving table lamp |
| CN105828473A (en) * | 2011-07-14 | 2016-08-03 | 陈家德 | Two-stage light emitting diode safety monitoring lighting device |
| CN106793272A (en) * | 2016-12-09 | 2017-05-31 | 黄石德龙自动化科技有限公司 | A kind of wisdom lamp and its implementation based on mobile phone control |
| CN109362160A (en) * | 2018-09-06 | 2019-02-19 | 徐州唐荣机械科技有限公司 | A kind of mining flame-proofing lamp automatic brightness regulating device based on PWM |
| CN109618454A (en) * | 2018-12-25 | 2019-04-12 | 苏州纽克斯电源技术股份有限公司 | A kind of LED dimming control system |
| CN110432134A (en) * | 2019-07-16 | 2019-11-12 | 四维生态科技（杭州）有限公司 | A kind of anti-glare planting machine and anti-dazzle method |
| CN114321753A (en) * | 2022-01-14 | 2022-04-12 | 厦门雅而坦照明有限公司 | LED lamp with illumination intensity capable of being automatically adjusted |
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| CN201585184U (en) * | 2010-01-15 | 2010-09-15 | 北京电子科技职业学院 | Intelligent living district street lamp control device |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883496A (en) * | 2011-07-14 | 2013-01-16 | 陈家德 | Safety monitoring and lighting device for two-order type light emitting diode |
| CN105828473B (en) * | 2011-07-14 | 2018-02-09 | 陈家德 | Two stepwise light emitting diode security monitoring lighting devices |
| CN105828473A (en) * | 2011-07-14 | 2016-08-03 | 陈家德 | Two-stage light emitting diode safety monitoring lighting device |
| CN102355775A (en) * | 2011-08-26 | 2012-02-15 | 江苏同辉照明科技有限公司 | Energy-saving type LED street lamp and energy-saving control method thereof |
| CN102612221A (en) * | 2012-03-02 | 2012-07-25 | 苏州奥赛医疗科技有限公司 | LED reflection operating-lamp control system for dentistry department |
| CN103716947A (en) * | 2012-10-09 | 2014-04-09 | 鲍方云 | Intelligent healthy LED cloud illumination fluorescent lamp capable of comprehensive perception |
| CN103561518A (en) * | 2013-11-08 | 2014-02-05 | 桂林机床电器有限公司 | Household intelligent dimming system |
| CN104879708A (en) * | 2014-05-28 | 2015-09-02 | 九牧厨卫股份有限公司 | Discolored bathroom mirror |
| CN104302061A (en) * | 2014-10-28 | 2015-01-21 | 无锡港湾网络科技有限公司 | Intelligent corridor lighting system |
| CN105722267A (en) * | 2014-12-22 | 2016-06-29 | 陈家德 | Active Infrared Sensing Electric Switch And Lighting Appliance |
| CN104766220A (en) * | 2015-03-19 | 2015-07-08 | 深圳市振元数码有限公司 | Internet of things cloud identification system and control method thereof |
| CN105276518B (en) * | 2015-10-27 | 2018-04-17 | 刘红 | A kind of health-nutrition LED light source device |
| CN105276518A (en) * | 2015-10-27 | 2016-01-27 | 刘红 | Development of healthy and nutritional LED (Light Emitting Diode) light source apparatus |
| CN105357817A (en) * | 2015-11-02 | 2016-02-24 | 苏州美达瑞电子有限公司 | Adaptive cloakroom lighting method based on pyroelectric infrared sensor |
| CN105517234A (en) * | 2015-12-23 | 2016-04-20 | 成都雷纳斯科技有限公司 | Hybrid type multi-circuit multifunctional control system for LED lamp |
| CN105392237A (en) * | 2015-12-23 | 2016-03-09 | 成都雷纳斯科技有限公司 | Multifunctional control system for hybrid LED lamp |
| CN105611705A (en) * | 2016-03-31 | 2016-05-25 | 苏州长玖节能科技服务有限公司 | Control system of energy-saving fluorescent lamp |
| CN105813349A (en) * | 2016-03-31 | 2016-07-27 | 苏州长玖节能科技服务有限公司 | Control system for energy-saving table lamp |
| CN106793272A (en) * | 2016-12-09 | 2017-05-31 | 黄石德龙自动化科技有限公司 | A kind of wisdom lamp and its implementation based on mobile phone control |
| CN109362160A (en) * | 2018-09-06 | 2019-02-19 | 徐州唐荣机械科技有限公司 | A kind of mining flame-proofing lamp automatic brightness regulating device based on PWM |
| CN109618454A (en) * | 2018-12-25 | 2019-04-12 | 苏州纽克斯电源技术股份有限公司 | A kind of LED dimming control system |
| CN109618454B (en) * | 2018-12-25 | 2021-01-29 | 苏州纽克斯电源技术股份有限公司 | LED dimming control system |
| CN110432134A (en) * | 2019-07-16 | 2019-11-12 | 四维生态科技（杭州）有限公司 | A kind of anti-glare planting machine and anti-dazzle method |
| CN114321753A (en) * | 2022-01-14 | 2022-04-12 | 厦门雅而坦照明有限公司 | LED lamp with illumination intensity capable of being automatically adjusted |
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Application publication date: 20110615 |