CN101854764A - Device for intelligent control of LED indoor illumination - Google Patents
Device for intelligent control of LED indoor illumination Download PDFInfo
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- CN101854764A CN101854764A CN201010202759A CN201010202759A CN101854764A CN 101854764 A CN101854764 A CN 101854764A CN 201010202759 A CN201010202759 A CN 201010202759A CN 201010202759 A CN201010202759 A CN 201010202759A CN 101854764 A CN101854764 A CN 101854764A
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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
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- 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
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Abstract
The invention discloses a device for the intelligent control of LED (light-emitting diode) indoor illumination. The device comprises a sensor, a sampling module, an A/D (analog-to-digital) converter, an intelligent processing chip, an internal memory, an input device, a display screen, a PWM (pulse-width modulation) signal generator, an LED drive circuit, an LED spotlight mode converting switch and an LED lamp system, wherein the LED lamp system comprises LED lamps with various colors and spotlight modules in different directions; the sensor is used for receiving the external signals and converting the signals into analog electrical signals; the sampling module is connected with the sensor and used for sampling the signals received by the sensor; the output terminal of the sampling module is connected with the A/D converter and used for transmitting the sampled optical signals to the A/D converter; the A/D converter is used for converting the received analog signals into digital signals and transmitting the converted signals to the intelligent micro-processor chip connected with the A/D converter; and the intelligent micro-processor chip is further connected with the sampling module and used for providing the clock frequency for the sampling module. Accordingly, the device is capable of automatically adjusting the light intensity, color and direction of the LED.
Description
Technical field
The present invention relates to a kind of room lighting control device, particularly a kind of LED Inteldectualization Indoors illumination control apparatus.
Background technology
At present, illumination has progressed into the LED epoch.Still at the electricity-saving lamp and the incandescent lamp that generally use, LED has that electro-optical efficiency height, light efficiency height, life-span are long, energy-conservation, safety, environmental protection, rich color or the like advantage compared with now.LED can be converted to luminous energy with the electric energy more than 99%, and electricity-saving lamp can only reach 80%, and incandescent lamp is just more much lower; The light efficiency of the highlighted illuminating lamp of LED can reach 80lm/W, and electricity-saving lamp has only 60lm/W; Reach 50,000 hours the useful life of LED in theory, and by contrast, electricity-saving lamp has only 10,000 hours.Along with science and technology development, the light efficiency of LED improves year by year, and the development main flow that the LED illumination will become lighting technology has become common recognition.
But in China, except the pilot in indivedual cities, LED also not large scale investment to the lighting field of indoor and outdoors, and only be used to indicate, limited purposes such as computer display screen.This respect one is because the light decay of homemade LED is bigger, and the lighting angle of LED is little on the other hand, and spectrum is more single, and is not suitable for directly using in room lighting places such as office space, dwelling houses.Scientist's current research shows that glory pollutes not only the physiological function of speaking sarcastically, and also influential to people's psychology." spectral light colourity effect " measured and shown, is 100 as the psychological impact with white light, and then blue light is 152, and purple light is 155, and red light is 158, and black light is the highest, is 187.If people are in the irradiation of Colour lamp for a long time, its psychological build-up effect also can cause the illness of body and mind aspects such as lassitude, dizziness, neurasthenia to some extent.So the trend of room lighting all is based on white light at present, glory is just as use in special occasions complementaryly.Therefore, the intelligentized LED Lighting Control Assembly of design one cover, the brightness, the color that LED are thrown light on by the feedback and the user preset parameter of environment induction signal carry out intellectuality control, help the large-scale development of LED interior lighting system.But, the present relevant report that does not still have LED illumination Based Intelligent Control.
Summary of the invention
Technical problem solved by the invention is to provide a kind of can regulate LED brightness, color and direction LED Inteldectualization Indoors illumination control apparatus automatically.
The technical solution that realizes the object of the invention is: a kind of LED Inteldectualization Indoors illumination control apparatus, comprise transducer, sampling module, A D transducer, Intelligent treatment chip, internal memory, input equipment, display screen, pwm signal generator, led drive circuit, LED shot-light mode conversion switch and LED lamp system, described LED lamp system comprises LED lamp of all kinds and different directions shot-light module; Transducer receives outer signals, and be converted into analog electrical signal, sampling module is connected with transducer, the signal that transducer receives is sampled, the output of sampling module connect A the D transducer, with the optical signal transmission that collects give A the D transducer, A the D transducer be transferred to connected intelligent microprocessor chip after the analog signal conversion that receives is become digital signal, the intelligent microprocessor chip also is connected with sampling module, for it provides clock frequency; The output of intelligent microprocessor chip connects led drive circuit and LED shot-light mode conversion switch respectively by the pwm signal generator, be transferred to led drive circuit and LED shot-light mode conversion switch after the signal process pwm signal generator pulse-width modulation with output, the output of led drive circuit connects LED lamp of all kinds, brightness to LED lamp of all kinds is regulated, the output of LED shot-light mode conversion switch connects different directions shot-light module, and its direction is regulated; The Intelligent treatment chip also connects internal memory, and by I the O interface connect user input device and display screen, receive the signal of outside input by user input device, and information shown on display screen.
The present invention compared with prior art, its remarkable advantage: 1) the present invention can realize controlledization and the intellectuality of LED room lighting.Controlledization of room lighting be meant can manual adjustment LED brightness, towards, color, illuminating effect such as play up, and be not only out and close two states.Intellectuality is meant the use intelligent chip, according to indoor integral body or local illuminating effect, regulates every illumination index automatically, to realize optimal illuminating effect, becomes real efficient, long-life, general room lighting source cheaply.Control device of the present invention can be realized Passive Control, and promptly the user can directly regulate the illumination indexs such as brightness, direction, color of LED light fixture.2) control device of the present invention is on the pattern of Passive Control; utilize intelligent microprocessor; in conjunction with the various environmental parameters transducer; to room lighting condition real-time sampling, and with default lighting parameter relatively, regulate the output of LED accordingly; realize intelligentized ACTIVE CONTROL; realize the optimum efficiency of indoor LED illumination, reach the purpose of energy-conserving and environment-protective simultaneously, help the large-scale development of indoor LED Lighting Industry.3) the present invention can realize " core is controlled more " and " mode switch ".By intelligent microprocessor, native system can switch between Passive Mode and aggressive mode, realizes the brightness to the LED illumination, color and direction etc. the regulating and controlling of many index.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is a LED Inteldectualization Indoors illumination control apparatus ACTIVE CONTROL principle schematic of the present invention.
Fig. 2 is a LED Inteldectualization Indoors illumination control apparatus Passive Control principle schematic of the present invention.
Fig. 3 is the schematic block circuit diagram of LED Inteldectualization Indoors illumination control apparatus of the present invention.
Fig. 4 is the control flow chart of LED Inteldectualization Indoors illumination control apparatus of the present invention.
Embodiment
In conjunction with Fig. 3, a kind of LED Inteldectualization Indoors illumination control apparatus of the present invention, comprise transducer, sampling module, A D transducer, Intelligent treatment chip, internal memory, input equipment, display screen, pwm signal generator, led drive circuit, LED shot-light mode conversion switch and LED lamp system, described LED lamp system comprises LED lamp of all kinds and different directions shot-light module;
Transducer receives outer signals, and be converted into analog electrical signal, sampling module is connected with transducer, the signal that transducer receives is sampled, the output of sampling module connect A the D transducer, with the optical signal transmission that collects give A the D transducer, A the D transducer be transferred to connected intelligent microprocessor chip after the analog signal conversion that receives is become digital signal, the intelligent microprocessor chip also is connected with sampling module, for it provides clock frequency;
The output of intelligent microprocessor chip connects led drive circuit and LED shot-light mode conversion switch respectively by the pwm signal generator, be transferred to led drive circuit and LED shot-light mode conversion switch after the signal process pwm signal generator pulse-width modulation with output, the output of led drive circuit connects LED lamp of all kinds, brightness to LED lamp of all kinds is regulated, the output of LED shot-light mode conversion switch connects different directions shot-light module, and its direction is regulated;
The Intelligent treatment chip also connects internal memory, and by I the O interface connect user input device and display screen, receive the signal of outside input by user input device, and information shown on display screen.
Transducer comprises light sensor, color sensitive sensor and temperature sensor.LED lamp of all kinds comprises white light LEDs, red-light LED, green light LED and blue-ray LED.
The control device of invention can be according to program that pre-sets and parameter, and according to indoor light intensity, the sense temperature feedback is regulated the method and the device of the brightness, color, direction of LED etc. automatically.
Device of the present invention utilizes microprocessor to control, and microprocessor compares sensor feedback environmental parameter of returning and the lighting parameter of presetting, and will utilize the result who contrasts to regulate the illuminating effect of LED, the steps include:
Step 1, user set in advance lighting parameter and corresponding program by external input devices such as keypads, are stored in the internal memory of illumination control apparatus;
Step 2, light sensor, environmental parameter in color sensitive sensor and the temperature sensor sensing chamber, such as light intensity, color, temperature etc., and transducer converts corresponding analog electrical signal to.
Step 3, the signal of telecommunication of the transducer of different channels is sampled and through mould/number conversion, obtained digital signal corresponding, feed back to the intelligent microprocessor chip.The clock frequency of data sampling is provided by microprocessor chip, and can be set in advance by the user.
Step 4, intelligent microprocessor chip obtain after the environmental parameter of different channels, by with the comparison of preset value, produce control signal corresponding, export five road pulse width modulation (PWM)s (pulse widthmodulation) signal.Four road pwm signals output to the led drive circuit module.Wherein one tunnel brightness that is used to control the key lighting white light LEDs of LED lamp system the inside, other three tunnel brightness that are used to control the Red Green Blue color lamp.The five road pwm signal outputs to shot-light mode conversion switch circuit.The environmental parameter that sensor arrives, default lighting parameter and light level are presented on the LCD display by the I/O interface.
Step 5, led drive circuit module produce corresponding electric current, are input to the LED lamp system, reach self-regulating effect.The LED shot-light module of shot-light mode conversion switch circuit output signal control different directions.
The user can set in advance the light level of sightization and the corresponding lighting parameter value of each time period according to the lighting condition in Various Seasonal, time, place.System comprises the transducer of monitoring of environmental parameter, sampling and A/D converter, intelligent microprocessor, internal memory, led drive circuit module etc.Intelligent microprocessor is carried out the light level that the user sets, and realizes different LED illuminating effects in the default time period.The transducer of each channel receives corresponding signal and is converted into analog electrical signal simultaneously, be transformed into digital signal through over-sampling and mould/number conversion module and be input to microprocessor, lighting parameter in the different time sections compares in light level with setting in advance, and output control signal brightness, color conditioning and the direction of in the default time period, removing to regulate LED.
The illumination control of LED can be divided into Passive Control or ACTIVE CONTROL.Passive Control is meant the illumination indexs such as brightness, direction, color of directly being regulated the LED light fixture by the user.ACTIVE CONTROL is meant intelligent chip according to default illumination index, regulates the brightness, direction, color of LED etc. automatically according to indoor illumination present situation, to reach preset value.Obviously, Passive Control is the basis of realizing ACTIVE CONTROL, also realizes than being easier to technically.ACTIVE CONTROL is designed into the information exchange between environment, control chip, the LED three as shown in Figure 1.Optical sensor records light intensity herein by to environment daylighting, and exports a magnitude of voltage and give the intelligent microprocessor chip.Microprocessor chip is compared this magnitude of voltage with preset value, correspondingly regulate the output of LED then, realizes a feedback procedure therefrom.The frequency of optical sensor data sampling can both can be controlled in real time in the preceding setting of dispatching from the factory, also can be by certain interval (such as per 1 minute or daylighting in per 5 minutes once).
In fact preset value in the control chip has determined the final illuminating effect of LED institute field of illumination.But illuminating effect is not merely relevant with LED, also the concrete environment with the place has close relation, so the preset value when dispatching from the factory is the needed illuminating effect of representative of consumer not probably, so the user must have the approach that own needed illuminating effect is write control chip.This is actually the process of a Passive Control, and as shown in Figure 2, the user regulates control chip, and by control chip control LED lamp, if the user is satisfied, then the result that will set preserves and withdraws from Passive Mode, if dissatisfied, then continue to regulate till satisfaction.
The scope of application of the present invention is the intellectuality control of indoor LED illumination, and applicable object is a LED lamp group, wherein should comprise key lighting white light LEDs module, red green blue tricolor glory led module, and different directions penetrate optical module.The objective of the invention is to utilize intelligent chip to realize indoor LED illumination many index as brightness, color and direction, is regulated and control.Characteristics of the present invention are " core is controlled more " and " mode switch ".
In conjunction with Fig. 1 and Fig. 2, the present invention can control with Passive Control pattern or Active Control Mode on the principle, and can switch between two kinds of patterns.At first, with producing in initialization procedure to system, by the Passive Control pattern, utilize the input equipment of system, input meets the parameter preset of self room lighting condition, such as the brightness of key lighting, the different brightness of three primary colors color lamp are provided with and form the different color pattern, and the shot-light pattern of different directions.Intelligent microprocessor is according to the lighting parameter of preset value initialization LED, and the user can reach desirable illuminating effect by regulating preset value.And preset value is stored in the Installed System Memory.In the normal lighting afterwards, the user can arrive Active Control Mode by switched system, carries out the light level that pre-sets.Detect every light index by light sensor and color sensitive sensor, compare by intelligent chip and preset value after changing into digital electric signal, produce the lighting parameter that corresponding adjustment signal removes to regulate LED then, to reach desirable illuminating effect.The user can also pass through intelligent chip, plants different sight needs constantly according to daily work and rest, and the corresponding light level of a cover is set.Corresponding different lighting demand constantly starts corresponding illumination index, and system will regulate for the LED illumination of different periods by Active Control Mode according to the light level of finishing.
In conjunction with Fig. 3, in the system block diagram of the present invention, the intelligent microprocessor chip is the brain of system, its effect is the signal that receives from the environmental parameter inductor, after over-sampling and digital-to-analogue conversion, compare with the territory setting of storing in the Installed System Memory,, reach the purpose of regulating the LED illuminating effect according to comparative result output control signal corresponding deexcitation led drive circuit and reverser circuit.In concrete enforcement, can have only two path channels to be used for the testing environment parameter.One the tunnel is light sensor, is used for light intensity in the sensing chamber; One the tunnel is color sensitive sensor, is used for responding to the light intensity of RGB different-waveband in the indoor environment.When the induced signal of light sensor channel after over-sampling and analog-to-digital conversion, intelligent chip can be the preset value of indoor light intensity signal and system's storage relatively, if be higher than preset value, chip can be exported a control signal Cm to the pwm signal generator, excites a pwm signal Sm.This signal is imported in the led drive circuit, and the input current Im of white light LEDs key lighting module is carried out negative regulation, reduces the power of LED, reduces the brightness of LED, thereby reduces indoor overall light intensity.If the induced signal of light-inductive device is lower than preset value, then microprocessor can produce a control signal and Im is carried out forward regulates, and increases the power of LED, improves the brightness of LED, thereby strengthens indoor overall light intensity.
In like manner, three colour induction signals of look quick inductor channel are after over-sampling and analog-to-digital conversion, intelligent chip can be the preset value of the light intensity signal of redgreenblue and system's storage relatively, when actual signal and preset value are not inconsistent, chip can be exported three control signal Cr, Cg and Cb, each control signal is a kind of in three kinds of colors of corresponding red, green, blue respectively, to the pwm signal generator, excites corresponding three pwm signal Sr, Sg and Sb.This signal is imported in the led drive circuit, the feedback compensation that input current Ir, Ig and the Ib of glory LED lighting module carried out forward or negative sense.By the three primary colors brightness regulation being reached the purpose of LED color conditioning.
Colour temperature in the LED illuminator is regulated, and can control by the program that sets in advance, and sets the different-colour value according to Various Seasonal, time, place according to user's lighting demand, realizes the colour temperature allotment pattern of sightization.Different-colour allotment pattern is set in advance and is stored in the Installed System Memory by the user.Intelligent chip in different time sections, can to the pwm signal generator, excite corresponding three pwm signal Sr, Sg and Sb according to preset value output three control signal Cr, Cg and Cb when carrying out the user preset program.This signal is imported in the led drive circuit, produces corresponding current value I r, the Ig and the Ib that are input to glory LED lighting module, reaches the purpose of LED color conditioning.
Direction in the LED illuminator is regulated, and then is to come Passive Control by the program that sets in advance.Can design the array module of a plurality of directions in the LED illuminator, when the system illumination program is set,, the switch transition sequence of the LED shot-light of different directions is set at the different situations of different periods.Intelligent chip produces control signal Cd according to the program of user preset, excites a pwm signal Sd.This signal is input to LED shot-light mode conversion switch, provides drive current Id according to program to the LED of different directions module.Like this, the illumination direction of LED can be by the user according to self lighting demand and predefined program is regulated.
In conjunction with Fig. 4, intelligent control flow of the present invention is divided into the Passive Control part of system initialization setting and the ACTIVE CONTROL part in the LED light level implementation.At first the user carries out initialization to system, according to indoor lighting demand intelligent light level is set.In each step of this program is provided with, utilize the input equipment of system, input meets the parameter preset of self room lighting condition, and such as the brightness of key lighting, the little setting with brightness of three primary colors color lamp forms the different color pattern, and the shot-light pattern of different directions.Intelligent microprocessor is according to the lighting parameter of preset value initialization LED, and the user can reach desirable illuminating effect by regulating preset value.And preset value is stored in the Installed System Memory.Finish when the light level setting, just can enter into the ACTIVE CONTROL part.After light level begins to carry out, each environmental parameter inductor begins the lighting parameter in the sensing chamber, pass through conversion of signals, transfer to the preset value contrast of intelligent chip and storage, meet preset value, system will wait for that next sampled signal compares, and not meet preset value, then produce the illumination that control signal corresponding removes to regulate LED.Such feedback compensation process is recycled to till the light level end always.
Claims (3)
1. LED Inteldectualization Indoors illumination control apparatus, it is characterized in that, comprise transducer, sampling module, A D transducer, Intelligent treatment chip, internal memory, input equipment, display screen, pwm signal generator, led drive circuit, LED shot-light mode conversion switch and LED lamp system, described LED lamp system comprises LED lamp of all kinds and different directions shot-light module;
Transducer receives outer signals, and be converted into analog electrical signal, sampling module is connected with transducer, the signal that transducer receives is sampled, the output of sampling module connect A the D transducer, with the optical signal transmission that collects give A the D transducer, A the D transducer be transferred to connected intelligent microprocessor chip after the analog signal conversion that receives is become digital signal, the intelligent microprocessor chip also is connected with sampling module, for it provides clock frequency;
The output of intelligent microprocessor chip connects led drive circuit and LED shot-light mode conversion switch respectively by the pwm signal generator, be transferred to led drive circuit and LED shot-light mode conversion switch after the signal process pwm signal generator pulse-width modulation with output, the output of led drive circuit connects LED lamp of all kinds, brightness to LED lamp of all kinds is regulated, the output of LED shot-light mode conversion switch connects different directions shot-light module, and its direction is regulated;
The Intelligent treatment chip also connects internal memory, and by I the O interface connect user input device and display screen, receive the signal of outside input by user input device, and information shown on display screen.
2. LED Inteldectualization Indoors illumination control apparatus according to claim 1 is characterized in that transducer comprises light sensor, color sensitive sensor and temperature sensor.
3. LED Inteldectualization Indoors illumination control apparatus according to claim 1 is characterized in that LED lamp of all kinds comprises white light LEDs, red-light LED, green light LED and blue-ray LED.
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| CN102149242A (en) * | 2011-05-16 | 2011-08-10 | 天津思博科科技发展有限公司 | LED (Light Emitting Device) dynamic intelligent tracking and energy saving illumination control system |
| CN102281680A (en) * | 2011-06-29 | 2011-12-14 | 福州大学 | Automatic adjusting color temperature illumination system based on visual perception of human eyes |
| CN102469673A (en) * | 2010-11-11 | 2012-05-23 | 达能科技股份有限公司 | Constant light control device for gas discharge lamp |
| CN102711336A (en) * | 2012-06-15 | 2012-10-03 | 四川新力光源有限公司 | Daylight lighting simulation device |
| CN103054160A (en) * | 2011-10-18 | 2013-04-24 | 广东中烟工业有限责任公司梅州卷烟厂 | Method for reducing impurity-removing machine cooling system energy consumption |
| CN103298197A (en) * | 2012-12-30 | 2013-09-11 | 青岛中科软件股份有限公司 | Long-distance lamp control system |
| CN103607820A (en) * | 2013-11-18 | 2014-02-26 | 江苏新可耐光电科技股份有限公司 | Constant light control system with intelligent lighting |
| CN103889101A (en) * | 2012-12-24 | 2014-06-25 | 鸿富锦精密工业（深圳）有限公司 | Color temperature adjusting method and lighting device using same |
| CN104411040A (en) * | 2014-10-31 | 2015-03-11 | 无锡鸿声铝业有限公司 | Illuminating lamp with sampling circuit |
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| CN105025638A (en) * | 2015-08-11 | 2015-11-04 | 宁波晶辉光电有限公司 | Uniform-light lamp and control method thereof |
| CN105430841A (en) * | 2015-11-28 | 2016-03-23 | 小米科技有限责任公司 | Method and apparatus for controlling intelligent lighting device |
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| CN102469673A (en) * | 2010-11-11 | 2012-05-23 | 达能科技股份有限公司 | Constant light control device for gas discharge lamp |
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| CN103889101A (en) * | 2012-12-24 | 2014-06-25 | 鸿富锦精密工业（深圳）有限公司 | Color temperature adjusting method and lighting device using same |
| CN103298197A (en) * | 2012-12-30 | 2013-09-11 | 青岛中科软件股份有限公司 | Long-distance lamp control system |
| CN103607820A (en) * | 2013-11-18 | 2014-02-26 | 江苏新可耐光电科技股份有限公司 | Constant light control system with intelligent lighting |
| CN103607820B (en) * | 2013-11-18 | 2017-02-15 | 江苏新可耐光电科技股份有限公司 | Constant light control system with intelligent lighting |
| CN104411040A (en) * | 2014-10-31 | 2015-03-11 | 无锡鸿声铝业有限公司 | Illuminating lamp with sampling circuit |
| CN104470157A (en) * | 2014-12-30 | 2015-03-25 | 深圳市元科摄影器材有限公司 | LED control system based on WIFI |
| CN104869695A (en) * | 2015-03-31 | 2015-08-26 | 繁昌县博通电子商务有限公司 | Indoor intelligent control lamp at public place |
| CN105025638A (en) * | 2015-08-11 | 2015-11-04 | 宁波晶辉光电有限公司 | Uniform-light lamp and control method thereof |
| CN105430841A (en) * | 2015-11-28 | 2016-03-23 | 小米科技有限责任公司 | Method and apparatus for controlling intelligent lighting device |
| CN105764186A (en) * | 2016-03-19 | 2016-07-13 | 上海大学 | LED lamp energy-saving control system |
| CN106211483A (en) * | 2016-08-31 | 2016-12-07 | 上海复展智能科技股份有限公司 | Separate room office intelligent lighting system |
| CN106304494A (en) * | 2016-08-31 | 2017-01-04 | 华南师范大学 | The LED lamp intelligent control system of a kind of scene Recognition and method |
| CN107087326A (en) * | 2017-05-25 | 2017-08-22 | 胡汉 | A kind of Intelligent indoor lamp lighting system |
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Application publication date: 20101006 |