CN204576102U - Based on the intelligent control system of LED visible light communication - Google Patents
Based on the intelligent control system of LED visible light communication Download PDFInfo
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- CN204576102U CN204576102U CN201520331686.2U CN201520331686U CN204576102U CN 204576102 U CN204576102 U CN 204576102U CN 201520331686 U CN201520331686 U CN 201520331686U CN 204576102 U CN204576102 U CN 204576102U
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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 utility model discloses a kind of intelligent control system based on LED visible light communication, adopt and comprise the GMS telecommunication circuit connection GMS mobile phone of MCU module through telecommunications network, MCU module connects multiple LED through light radiating circuit, MCU module connects each LED through PWM light adjusting circuit switching regulator, the light information of LED is incident upon on light receiver module, light receiver module connects multiple electrical appliance, and MCU module connects the technical scheme of alarm sensor; The program overcomes in existing twireless radio-frequency communication system exists in electromagnetic interference (EMI) and existing intelligent domestic system the complicated defect that connects up; Be suitable for using PC or GSM mobile handset and the family of LED lamp, hotel and enterprise have been installed, thus the remote switch achieved household electrical appliance and power adjustment.
Description
Technical field
The utility model relates to a kind of intelligent control system based on LED visible light communication.
Background technology
The research of current visible light communication technology, at each place, world Xing Weiai, is carrying out the research of the indoor wireless communication technology based on White-light LED illumination light source in China's present stage, designed and Implemented point-to-point communication system.
In recent years, the new situations that Institute of Semiconductors,Academia Sinica develops according to short distance visible light communication and field of semiconductor illumination, organize photoelectron research and development centre, electro-optical system laboratory and semiconductor lighting research and development centre to carry out the research of semiconductor lighting information network technique, the optical-wireless of the network insertion and multiple electrical equipment that achieve based semiconductor illumination at home first controls.
In order to overcome the shortcoming that there is electromagnetic interference (EMI) in twireless radio-frequency communication system; solve in existing intelligent domestic system the complicated problem that connects up; we will need the simulating signal of transmission of information through digital signal modulated; convert at a high speed change to but the very little stream of pulses of amplitude of variation; load in LED illumination lamp; become the visible light signal of brightness high speed micro-signal change, transmitted by LED illumination lamp; At receiving end, light signal is converted into electric impulse signal, then through signal receiving, is the simulating signal that we need by digital demodulation signal, thus realize transmission and the reception of information, achieve the dual-use function of green illumination and green communications.
Summary of the invention
For above-mentioned situation, the purpose of this utility model is to provide a kind of without the need to complexity wiring, realizes the intelligent control system based on LED visible light communication adjusted remote switch and the power of household electrical appliance.
To achieve these goals, a kind of intelligent control system based on LED visible light communication, it comprises the GMS telecommunication circuit connection GMS mobile phone of MCU module through telecommunications network, MCU module connects multiple LED through light radiating circuit, MCU module connects each LED through PWM light adjusting circuit switching regulator, the light information of LED is incident upon on light receiver module, and light receiver module connects multiple electrical appliance, and MCU module connects alarm sensor.
In order to realize structure, effect and method optimization, its further step is
.
Described light receiver module connects pre-amplification circuit, voltage comparator circuit, STM32 single-chip microcomputer and electrical equipment expanded circuit successively by photodiode and forms; Pre-amplification circuit adopts OPA380 amplifier, and voltage comparator circuit adopts LM393 voltage comparator.
Described alarm sensor comprises infrared sensor and smoke transducer.
The technical solution of the utility model is: a kind of intelligent control system based on LED visible light communication, it comprises the GMS telecommunication circuit connection GMS mobile phone of MCU module through telecommunications network, MCU module connects multiple LED through light radiating circuit, MCU module connects each LED through PWM light adjusting circuit switching regulator, the light information of LED is incident upon on light receiver module, light receiver module connects multiple electrical appliance, and MCU module connects alarm sensor; The program overcomes in existing twireless radio-frequency communication system exists in electromagnetic interference (EMI) and existing intelligent domestic system the complicated defect that connects up.
The utility model beneficial effect compared to existing technology
.
1, not only the utility model system adopts LED can throw light on but also by using PC or GSM mobile handset as information command transmitting terminal, can carry out Control on Communication, achieve the dual-use function of green illumination and green communications to household electrical appliance.
2, the utility model is without electromagnetic interference (EMI) compared with twireless radio-frequency communication system, makes the usability of household electrical appliance more stable.
3, the utility model structure is simple, and production cost is low, connects up without the need to complexity in indoor, and native system can be installed by the family only need having installed LED lamp, thus the remote switch realized household electrical appliance and power adjustment.
4, the utility model is compared with other illuminators, has lamplight brightness and regulates and Automatic adjusument function, energy-conserving and environment-protective.
The utility model is suitable for using PC or GSM mobile handset and has installed the family of LED lamp, hotel and enterprise and widely uses.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is frame diagram of the present utility model.
Fig. 2 is light radiating circuit figure of the present utility model.
Fig. 3 is light receiver module block diagram of the present utility model.
Fig. 4 is pre-amplification circuit figure of the present utility model.
Fig. 5 is voltage comparator circuit figure of the present utility model.
In figure: 1, MCU module, 2, GMS telecommunication circuit, 3, alarm sensor, 4, GMS mobile phone, 5, light radiating circuit, 6, LED, 7, electrical appliance, 8, light receiver module, 9, PWM light adjusting circuit, 10, photodiode, 11, pre-amplification circuit, 12, voltage comparator circuit, 13, electrical equipment expanded circuit, 14, STM32 single-chip microcomputer, 15, LM393 voltage comparator, 16, OPA380 amplifier.
Embodiment
Shown in the utility model accompanying drawing 1-accompanying drawing 5, a kind of intelligent control system based on LED visible light communication, comprising MCU module 1 through the GMS telecommunication circuit 2 of telecommunications network connects GMS mobile phone 4, MCU module 1 connects multiple LED 6 through light radiating circuit 5, MCU module 1 connects each LED 6 through PWM light adjusting circuit 9 switching regulator, the light information of LED 6 is incident upon on light receiver module 8, and light receiver module 8 connects multiple electrical appliance 7, and MCU module 1 connects alarm sensor 3.Light receiver module 8 connects pre-amplification circuit 11, voltage comparator circuit 12, STM32 single-chip microcomputer 14 and electrical equipment expanded circuit 13 successively by photodiode 10 and forms; Pre-amplification circuit 11 adopts OPA380 amplifier 16, and voltage comparator circuit 12 adopts LM393 voltage comparator 15.Alarm sensor 3 comprises infrared sensor and smoke transducer.
Principle of work of the present utility model is: MCU module 1 receives the information that alarm sensor 3 provides, user uses PC or GSM mobile handset 4 as information command transmitting terminal, the gsm communication module of the embedded GMS telecommunication circuit 2 of system, by the long-range mail message of telecommunications network, transmission source using indoor LED light source as information, the information that GSM mobile handset 4 sends by MCU module 1 is through digital signal modulated process, convert change at a high speed to, but the stream of pulses that amplitude of variation is very little, load in LED 6 by light radiating circuit 5, become the visible light signal of brightness high speed microvariations, transmitted by LED 6, PWM light adjusting circuit 9 connects MCU module 1, the brightness of LED 6 automatically can be regulated to change according to the signal intensity of MCU module 1.At the light receiving end of LED 6, light receiver module 8 receives the wigwag of LED 6 by photoelectric commutator, amplify through light receiver module 8 pairs of wigwags, shaping, filtering, wigwag is converted into electric impulse signal, electric impulse signal is flowed to electrical appliance 7 by light receiver module 8, and electrical appliance 7 receiving end receives strobe signal, is converted to corresponding instruction after treatment, perform corresponding action, as the open and close and regulating power etc. of multiple electrical appliance 7.Such as the electric heater opened in family is heated up water in advance, opens warm-air drier and indoor temperature is raised.PWM light adjusting circuit 9 in system can realize the Intelligent adjustment to ambient brightness.
Night of the present utility model and anti-theft feature are realized by the infrared sensor of human body, within the specific limits, when there being people to walk about, the output level of infrared sensor becomes high level from low level, MCU module 1 collects open system after level skip signal, and MCU module 1 sends warning message by GMS telecommunication circuit 2 to user's GSM mobile handset 4.Smoke transducer is primarily of chip compositions such as LM393, ZYMQ-2 gas sensors.Operating voltage is+5V.The pin of smoke transducer is directly connected with MCU module 1, when smog is higher than setting concentration, the output level of smoke transducer becomes low level from high level, sends smog alarm information after MCU module 1 collects level skip signal by GMS telecommunication circuit 2 to user's GSM mobile handset 4.
The utility model have employed the modulation system that scale-of-two on off keying (OOK) and frequency shift keying (2FSK) combine.Scale-of-two on off keying has another name called scale-of-two amplitude-shift keying (2ASK), and it is to control the open and close of sinusoidal carrier with unipolarity non return-to-zero code sequence.Frequency shift keying utilizes the frequency change of carrier wave to carry out transmitting digital signals, can see the superposition of two different frequency signals as.
See the light radiating circuit figure of accompanying drawing 2, the control signal that MCU module 1 serial ports output terminal TX sends, when serial ports output digit signals " 1 ", TX is set to high level, and protection switch pipe and operating switch pipe are successively opened, the light radiating circuit 5 of LED illumination is connected, and LED 6 is lit; When serial ports output digit signals " 0 ", TX is set to low level, and protection switch pipe and the operating switch pipe of light radiating circuit 5 are all closed, and LED 6 is extinguished.The on and off of LED 6 correspond to " 1 " and " 0 " of digital signal respectively, and LED 6 meeting is switch along with the height of MCU module 1 serial ports output level, sends the visible light signal of high speed stroboscopic.
Have an impact for preventing the core MCU module 1 of heavy current to field effect transistor source electrode produced in LED 6 driving process, level switching circuit is added again before needing the on-off circuit driven in LED 6, LED drive current and MCU module 1 are kept apart, ensures control signal proper communication.We have selected field effect transistor IR7843 as the core component of on-off circuit.
See accompanying drawing 3 and accompanying drawing 4, by photodiode 10(SFH2500), OPA380 amplifier 16, LM393 voltage comparator 15, STM32 single-chip microcomputer 14 and electrical equipment expanded circuit 13 form.Photodiode 10 can produce the photocurrent constantly changed with light intensity after being irradiated by the visible light signal of high speed stroboscopic, carry out enlarge leadingly by OPA380 amplifier 16 and LM393 voltage comparator 15 removes noise, the Transistor-Transistor Logic level digital signal changing standard into sends into the serial ports input end of STM32 single-chip microcomputer 14.Now, STM32 single-chip microcomputer 14 reads in data from serial ports, extracts address code and control signal.Then compare with the address code of electrical appliance 7.As completely the same, then start to perform control command, drive the control apparatus expanded circuit 13(of electrical appliance 7 as electromagnetic relay) perform concrete control mode.
For needing the electrical appliance 7 controlling break-make, add numerically controlled electromagnetic relay control circui break-make at primary power place; For the complicated control circuit of air-conditioning washing machine class, need to accept circuit transformation to air-conditioning inside, in view of circuit need be made a concrete analysis of according to concrete electrical equipment herein, it is alternative for doing 6 by LED in laboratory conditions, and future can further expand.
The photocurrent changed out by photodiode 10 is extremely faint, needs to carry out amplifying with analog amplify circuit just can be for further processing.The design adopts OPA380 amplifier 16 as prime amplifier.OPA380 amplifier 16 is a high speed, high precision, transimpedance amplifier, be the front end Enlargement Design of photodiode 10 amplifying circuit specially, have the transimpedance bandwidth more than 1MHz, the gain bandwidth (GB) of 90MHz, the quiescent current of 7.5MA, minimum temperature drift value, and general+5V power voltage supply can be used, thus become the ideal chose of front-end amplifier in the design.
See accompanying drawing 5, signal is after OPA380 amplifier 16 enlarge leadingly, and the waveform obtained is not ideal, needs the noise in filtered signal, and changes level and smooth continuous wave into precipitous square-wave signal, is reduced to original digital signal form.The design adopts LM393 voltage comparator 15 as voltage comparator, can obtain precipitous square wave, meet system requirements.+ 3.2V after+IN input end input+5V dividing potential drop is as comparative voltage.The irregular digital signal inputted by-IN is after voltage comparator, and the waveform being more than or equal to+3.2V transfers+5V direct current to, and the waveform portion being less than+3.2V transfers 0V to, exports the digital signal level compatible mutually with Transistor-Transistor Logic level.Receiving end STM32 single-chip microcomputer 14 reads in data, extracts control signal, performs control command, drives electrical equipment expanded circuit 13.
Above embodiment is a good solution of the present utility model, and along with enforcement of the present utility model and use, the local variation done according to the utility model and amendment, all belong to protection domain of the present utility model.
Claims (3)
1. the intelligent control system based on LED visible light communication, it is characterized in that it comprises the GMS telecommunication circuit (2) connection GMS mobile phone (4) of MCU module (1) through telecommunications network, MCU module (1) connects multiple LED (6) through light radiating circuit (5), MCU module (1) connects each LED (6) through PWM light adjusting circuit (9) switching regulator, the light information of LED (6) is incident upon on light receiver module (8), light receiver module (8) connects multiple electrical appliance (7), and MCU module (1) connects alarm sensor (3).
2., according to a kind of intelligent control system based on LED visible light communication described in claim 1, it is characterized in that described light receiver module (8) connects pre-amplification circuit (11), voltage comparator circuit (12), STM32 single-chip microcomputer (14) and electrical equipment expanded circuit (13) successively by photodiode (10) and forms; Pre-amplification circuit (11) adopts OPA380 amplifier (16), and voltage comparator circuit (12) adopts LM393 voltage comparator (15).
3., according to a kind of intelligent control system based on LED visible light communication described in claim 1, it is characterized in that described alarm sensor (3) comprises infrared sensor and smoke transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520331686.2U CN204576102U (en) | 2015-05-21 | 2015-05-21 | Based on the intelligent control system of LED visible light communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520331686.2U CN204576102U (en) | 2015-05-21 | 2015-05-21 | Based on the intelligent control system of LED visible light communication |
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| CN204576102U true CN204576102U (en) | 2015-08-19 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182779A (en) * | 2015-09-22 | 2015-12-23 | 波瑞电气有限公司 | Intelligent household electric energy online manager with combination of WIFI communication and visible light communication |
| CN106787351A (en) * | 2016-12-26 | 2017-05-31 | 苏州欣祥本机械科技有限公司 | A kind of portable medical remote control electric machine of quick fixation |
| CN106733090A (en) * | 2016-12-27 | 2017-05-31 | 苏州祥弘源电子科技有限公司 | A kind of efficient straw crusher device people |
| CN106824434A (en) * | 2016-12-28 | 2017-06-13 | 苏州祥弘源电子科技有限公司 | A kind of crushing robot for medicinal material |
| CN106823886A (en) * | 2016-12-26 | 2017-06-13 | 苏州欣祥本机械科技有限公司 | A kind of Medical Devices liquid stirring device capable of washing |
| CN106824893A (en) * | 2016-12-28 | 2017-06-13 | 苏州祥弘源电子科技有限公司 | A kind of medical appliance cleaning robot |
| CN106859879A (en) * | 2016-12-27 | 2017-06-20 | 苏州欣祥本机械科技有限公司 | A kind of medical sickbed of intelligent remote control |
| CN106903546A (en) * | 2016-12-27 | 2017-06-30 | 苏州欣祥本机械科技有限公司 | A kind of mobile interchange artificial intelligence control drilling machine people |
| CN106973452A (en) * | 2016-01-14 | 2017-07-21 | 中国传媒大学 | Wireless Light modulating system, the method and device of a kind of stage lighting |
| WO2018107809A1 (en) * | 2016-12-13 | 2018-06-21 | 广州市浩洋电子股份有限公司 | Stage light control system based on visible light communication, and control method |
| CN108494485A (en) * | 2018-04-09 | 2018-09-04 | 山东大学 | The mapping method of generalized space modulation spectrum efficiency in a kind of raising visible light communication |
| CN109348567A (en) * | 2018-09-21 | 2019-02-15 | 珠海格力电器股份有限公司 | Intelligent lightening device, control method, control device and control system |
| CN110444003A (en) * | 2019-07-25 | 2019-11-12 | Oppo（重庆）智能科技有限公司 | Control method, device, storage medium and electronic equipment |
-
2015
- 2015-05-21 CN CN201520331686.2U patent/CN204576102U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182779A (en) * | 2015-09-22 | 2015-12-23 | 波瑞电气有限公司 | Intelligent household electric energy online manager with combination of WIFI communication and visible light communication |
| CN106973452A (en) * | 2016-01-14 | 2017-07-21 | 中国传媒大学 | Wireless Light modulating system, the method and device of a kind of stage lighting |
| WO2018107809A1 (en) * | 2016-12-13 | 2018-06-21 | 广州市浩洋电子股份有限公司 | Stage light control system based on visible light communication, and control method |
| CN106787351A (en) * | 2016-12-26 | 2017-05-31 | 苏州欣祥本机械科技有限公司 | A kind of portable medical remote control electric machine of quick fixation |
| CN106823886A (en) * | 2016-12-26 | 2017-06-13 | 苏州欣祥本机械科技有限公司 | A kind of Medical Devices liquid stirring device capable of washing |
| CN106859879A (en) * | 2016-12-27 | 2017-06-20 | 苏州欣祥本机械科技有限公司 | A kind of medical sickbed of intelligent remote control |
| CN106903546A (en) * | 2016-12-27 | 2017-06-30 | 苏州欣祥本机械科技有限公司 | A kind of mobile interchange artificial intelligence control drilling machine people |
| CN106733090A (en) * | 2016-12-27 | 2017-05-31 | 苏州祥弘源电子科技有限公司 | A kind of efficient straw crusher device people |
| CN106824893A (en) * | 2016-12-28 | 2017-06-13 | 苏州祥弘源电子科技有限公司 | A kind of medical appliance cleaning robot |
| CN106824434A (en) * | 2016-12-28 | 2017-06-13 | 苏州祥弘源电子科技有限公司 | A kind of crushing robot for medicinal material |
| CN106824893B (en) * | 2016-12-28 | 2020-01-17 | 郑大勇 | Medical instrument cleaning robot |
| CN108494485A (en) * | 2018-04-09 | 2018-09-04 | 山东大学 | The mapping method of generalized space modulation spectrum efficiency in a kind of raising visible light communication |
| CN109348567A (en) * | 2018-09-21 | 2019-02-15 | 珠海格力电器股份有限公司 | Intelligent lightening device, control method, control device and control system |
| CN110444003A (en) * | 2019-07-25 | 2019-11-12 | Oppo（重庆）智能科技有限公司 | Control method, device, storage medium and electronic equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20180521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |