CN106060994A - Lighting control system for visible light communication - Google Patents
Lighting control system for visible light communication Download PDFInfo
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- CN106060994A CN106060994A CN201610136009.4A CN201610136009A CN106060994A CN 106060994 A CN106060994 A CN 106060994A CN 201610136009 A CN201610136009 A CN 201610136009A CN 106060994 A CN106060994 A CN 106060994A
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- Prior art keywords
- control
- lighting
- module
- signal
- visible light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a lighting control system for visible light communication. The lighting control system comprises a lighting terminal and a wireless controller, and is characterized in that wireless control for lighting lamplight is realized by adopting visible light communication; the lighting terminal comprises a light receiving module, a micro-control module, a relay set, a communication interface and a judgment demodulation module; and the wireless controller controls the lighting terminal through the communication interface, and the lighting terminal accomplishes visible light brightness control through signal acquisition. The lighting control system disclosed by the invention can prolong the service life of lighting equipment, reduce energy consumption of a lighting system and improve the lighting quality of the lighting system.
Description
Technical field
The present invention relates to Lighting control field, the Lighting Control Assembly of a kind of visible light communication.
Background technology
LED has the advantages such as brightness height, life-span length, stable performance, the saving energy, and it will become follow-on gaffer
Tool.Due to high sensitivity and linear modulation characteristic, use LED lamplight signal to realize, to illuminator control, having very
Big advantage.Compared with traditional infrared and radio communication, it is seen that it is high, excellent without electromagnetic interference etc. that optic communication has transmitting power
Point.It addition, use illumination control method complex circuit widely at present, install loaded down with trivial details, and be not easy to safeguard, waste a large amount of former material
Material, cost is high.Thus, it can be seen that optic communication Lighting Control Assembly has significant Research Significance and bigger development prospect, it is one
Plant emerging Lighting Control Assembly energy-conservation, convenient.
Summary of the invention
The goal of the invention of the present invention is the controlled in wireless to visible light communication, overcomes the deficiency of art methods, it is provided that
It is simple that one can reach circuit, easy for installation, it is easy to safeguards, saves a large amount of raw material, reduces a kind of visible ray of energy consumption
The Lighting Control Assembly of communication.
For achieving the above object, it is proposed that following technical scheme:
The Lighting Control Assembly of a kind of visible light communication, including wireless controller, illumination end two parts；Wireless controller bag
Include light emission module, micro-control module, modulation driving module, communication interface.Illumination end includes Optical Receivers, micro-control molding
Block, relay group, communication interface, judgement demodulation module.Button is set to light illumination mode by wireless controller, it is possible to open
LED, it is achieved common illumination；Wireless controller switches to the closing control state of Lighting control pattern, controls LED and sends closedown
The control optical signal of light, and by the illumination region Optical Receivers towards illumination end, Optical Receivers senses optical signal, and
After judgement demodulation process, micro-control module process the effectiveness of checking shutdown signal, and by controlling relay group, close
Close lighting installation.
Further, it is seen that in the wireless controller end of the Lighting Control Assembly of the optic communication Cortex-M3 by ST company
Core 32 8-digit microcontroller STM32F107 completes the coding of data, and controls audion driving mould with the data encoding output signal of telecommunication
Block, to control light emission module.
Further, it is seen that the illumination end Optical Receivers BPX21 photodiode of the Lighting Control Assembly of optic communication
Complete reception and the photoelectric signal transformation of optical signal.Circuit uses the 12 parallel-by-bit high-speed a/d conversion chips able to programme of TI company
THS1206, it is achieved the 4 Channel Synchronous samplings of sampling rate 6 MSample/s (million samplings/s), is realized differential mode by internal control
Intend signal input.Micro controller module STM32F107 completes the merits such as receiving signal demodulation, Frame reading and Lighting control
Energy.12 A/D conversion outputs of PB12～PB15 and PD8～PD15 of STM32F107 microcontroller and TH1206 are connected, PA0
～PA4 connects the control signals such as the clock of TH1206, interruption；Pin PB6～PB7 connects serial ports；PB10～PB13 connects ether
Network interface；PD0～PD7 and PE7～PE15 connects relay group.The simulation input pin of TH1206 connects BPX21 pipe.
This beneficial effect of the invention:
A kind of Lighting Control Assembly of the visible light communication of the present invention, the control of illumination end light, wireless controller adopt
Realize by wireless visible light communication technology.Button is set to light illumination mode by wireless controller, it is possible to open LED, it is achieved general
Logical illumination；Wireless controller switches to the closing control state of Lighting control pattern, controls LED and sends the control closing light
Optical signal, and by the illumination region Optical Receivers towards illumination end, Optical Receivers senses optical signal, and solves through judgement
After mediating reason, micro-control module process the effectiveness of checking shutdown signal, and by controlling relay group, close illumination and set
Execute.Based on above-mentioned hardware configuration, in conjunction with software control flow and the modulation coding method of employing, can verify and learn controlled in wireless
Device is sending 10kHz, during 50kHz, 100kHz, 500kHz equifrequent signal, the reception of illumination end.This system can reach
Circuit is simple, easy for installation, it is easy to safeguard, saves a large amount of raw material, reduces the Lighting control of a kind of visible light communication of energy consumption
System.Visible light communication Lighting control, has promoted development and the application of visible light communication, has had huge market prospect.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of the present invention；
Fig. 2 is the fundamental diagram of the Lighting Control Assembly of visible light communication.
Detailed description of the invention
Below in conjunction with the accompanying drawings the Lighting Control Assembly of a kind of visible light communication of the present invention is further described in detail:
As it is shown in figure 1, the Lighting Control Assembly of a kind of visible light communication, including wireless controller and illumination end；Wireless controlled
Device end processed is driven module, communication interface to form by light emission module, micro-control module, modulation.Light emission module uses high-power
White light LEDs sends high frequency flicker light；Modulation drives the signal of telecommunication that module will send, and is modulated into the optical signal of high speed scintillation, and
LED is driven to light；Communication interface is used for connecting external equipment more new data.Button is used for selecting to switch light illumination mode and illumination control
Molding formula, Lighting control pattern can provide illumination to open and close two states.Illumination end is by Optical Receivers, micro-control molding
Block, relay group, communication interface, judgement demodulation module form.Optical Receivers uses photodiode sensing to receive optical signal；
The optical signal received is amplified by judgement demodulation module, shaping, filter, demodulate.The opening and closing of luminaire are by continuing
Electrical equipment group controls.Communication interface is for connecting other outside plants by the mode such as wired, wireless.
Further, it is seen that in the wireless controller end of the Lighting Control Assembly of the optic communication Cortex-M3 by ST company
Core 32 8-digit microcontroller STM32F107 completes the coding of data, and controls audion driving mould with the data encoding output signal of telecommunication
Block, to control light emission module.
Further, it is seen that the illumination end Optical Receivers BPX21 photodiode of the Lighting Control Assembly of optic communication
Complete reception and the photoelectric signal transformation of optical signal.Circuit uses the 12 parallel-by-bit high-speed a/d conversion chips able to programme of TI company
THS1206, it is achieved 4 Channel Synchronous samplings of sampling rate 6MSample/s (million samplings/s), is realized differential mode by internal control
Intend signal input.Micro controller module STM32F107 completes the merits such as receiving signal demodulation, Frame reading and Lighting control
Energy.12 A/D conversion outputs of PB12～PB15 and PD8～PD15 of STM32F107 microcontroller and TH1206 are connected, PA0
～PA4 connects the control signals such as the clock of TH1206, interruption；Pin PB6～PB7 connects serial ports；PB10～PB13 connects ether
Network interface；PD0～PD7 and PE7～PE15 connects relay group.The simulation input pin of TH1206 connects BPX21 pipe.
As in figure 2 it is shown, the Lighting Control Assembly of described visible light communication, its operation principle is that button is set by wireless controller
It is set to light illumination mode, it is possible to open LED, it is achieved common illumination.When user is by way of luminaire, wireless controller is cut
Shifting to the unlatching controlled state of Lighting control pattern, wireless controller just controls LED and sends the blinking light of high frequency modulated.This
Time, by the illumination region Optical Receivers towards illumination end of controller, Optical Receivers can sense passage of scintillation light, and by it
It is converted into the signal of telecommunication of correspondence.After judgement demodulation process, micro-control module process checking and open the effectiveness of signal, and
By controlling relay group, the lighting installation lighted.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned detailed description of the invention is only schematic rather than restrictive, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, it may also be made that a lot
Form, within these belong to the protection of the present invention.
Claims (4)
1. the Lighting Control Assembly of a visible light communication, it is characterised in that include wireless controller, illumination end；Described wireless
Controller includes that light emission module, micro-control module, modulation drive module, communication interface；Described illumination end includes light-receiving mould
Block, micro-control module, relay group, communication interface, judgement demodulation module；Button is set to illuminate mould by described wireless controller
Formula, it is possible to open LED, it is achieved common illumination；Described wireless controller switches to the closing control shape of Lighting control pattern
State, controls LED and sends the control optical signal closing light, and by the illumination region Optical Receivers towards illumination end, light-receiving
Module senses optical signal, and after judgement demodulation process, micro-control module processes the effectiveness of checking shutdown signal, and
By controlling relay group, close lighting installation.
The control system of a kind of visible light communication the most according to claim 1, it is characterised in that described wireless controller is complete
The coding of data, the output signal of telecommunication is become to control to drive module, to control light emission module.
A kind of visible light communication control system the most according to claim 1, it is characterised in that light-receiving in described illumination end
Module completes reception and the photoelectric signal transformation of optical signal；Described micro controller module completes receiving signal demodulation, Frame is read
Take and the function such as Lighting control.
The Lighting Control Assembly of a kind of visible ray communication the most according to claim 3, it is characterised in that described controlled in wireless
Device end is completed the coding of data by 32 8-digit microcontroller STM32F107, and drives with data encoding output signal of telecommunication control audion
Dynamic model block, to control light emission module；
Described illumination end Optical Receivers BPX21 photodiode completes reception and the photoelectric signal transformation of optical signal；Use
12 parallel-by-bit high-speed a/d conversion chip THS1206 able to programme, it is achieved 4 passages of sampling rate 6MSample/s (million samplings/s)
Synchronized sampling, is realized differential analog signal input by internal control；Micro controller module STM32F107 completes to receive signal solution
The functions such as the reading of tune, Frame and Lighting control；PB12～PB15 and PD8～PD15 of described STM32F107 microcontroller
Being connected with 12 A/D conversion outputs of TH1206, PA0～PA4 connects the control signals such as the clock of TH1206, interruption；Pin PB6
～PB7 connects serial ports；PB10～PB13 connects Ethernet interface；PD0～PD7 and PE7～PE15 connects relay group.TH1206's
Simulation input pin connects BPX21 pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136009.4A CN106060994A (en) | 2016-03-10 | 2016-03-10 | Lighting control system for visible light communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136009.4A CN106060994A (en) | 2016-03-10 | 2016-03-10 | Lighting control system for visible light communication |
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| Publication Number | Publication Date |
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| CN106060994A true CN106060994A (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610136009.4A Pending CN106060994A (en) | 2016-03-10 | 2016-03-10 | Lighting control system for visible light communication |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753222A (en) * | 2008-11-28 | 2010-06-23 | 韩国电子通信研究院 | Visible light communication apparatus and visible light communciation method |
| CN102780528A (en) * | 2012-07-17 | 2012-11-14 | 北京佰能光电技术有限公司 | System for identifying ID (identity) information of lamp by white light of LED (light-emitting diode) |
| CN204586650U (en) * | 2015-04-15 | 2015-08-26 | 周午贤 | The anti-system that knocks into the back of a kind of prompting of the fore-aft vehicle based on visible light communication technology |
| CN205546071U (en) * | 2016-03-10 | 2016-08-31 | 文成县刀锋科技有限公司 | Visible light communication's lighting control system |
-
2016
- 2016-03-10 CN CN201610136009.4A patent/CN106060994A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753222A (en) * | 2008-11-28 | 2010-06-23 | 韩国电子通信研究院 | Visible light communication apparatus and visible light communciation method |
| CN102780528A (en) * | 2012-07-17 | 2012-11-14 | 北京佰能光电技术有限公司 | System for identifying ID (identity) information of lamp by white light of LED (light-emitting diode) |
| CN204586650U (en) * | 2015-04-15 | 2015-08-26 | 周午贤 | The anti-system that knocks into the back of a kind of prompting of the fore-aft vehicle based on visible light communication technology |
| CN205546071U (en) * | 2016-03-10 | 2016-08-31 | 文成县刀锋科技有限公司 | Visible light communication's lighting control system |
Non-Patent Citations (1)
| Title |
|---|
| 邓健志、程小辉: "基于可见光通信的溶洞景区照明控制方法研究", 《电视技术》 * |
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Application publication date: 20161026 |