CN208369589U - A kind of visible light communication system - Google Patents
A kind of visible light communication system Download PDFInfo
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- CN208369589U CN208369589U CN201821168706.9U CN201821168706U CN208369589U CN 208369589 U CN208369589 U CN 208369589U CN 201821168706 U CN201821168706 U CN 201821168706U CN 208369589 U CN208369589 U CN 208369589U
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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 provides a kind of visible light communication system, comprising: photoelectric conversion module, terminal signaling sensing module, intelligent object and optical signal control module；The photoelectric conversion module, for the electric signal of internet information source to be converted to optical signal；The terminal signaling sensing module perceives the signal strength for the optical signal source signal that the terminal device receives for detecting to the optical signal that terminal device receives；The intelligent object, the signal strength detected for receiving the terminal signaling sensing module, when the signal strength is less than preset value, LED light and LED light irradiating angle needed for the terminal device provides optical signal are calculated as according to the terminal device present position.The control of the direction controlling of optical signal and emissive porwer in visible light communication system may be implemented in visible light communication system provided by the utility model.
Description
Technical field
The utility model relates to optical communication field more particularly to a kind of visible light communication systems.
Background technique
Used during taking train, high-speed rail or subway trip become the selection of most people, but at the train station, high-speed rail station or subway station
Middle network signal and its bad；The operation of one side railway high speed will affect terminal's signal reception, on the other hand wireless WIFI skill
Art is anti-interference weak, too high using cable communication cost.Therefore a kind of novel visible light communication is widely studied, but existing skill
In art the research of visible light communication system be only limited to how transmitting photo-signal, transmitting optical signal on, not to optical signal side
To the control with emissive porwer.
Summary of the invention
The purpose of the utility model is to provide a kind of visible light communication system, light in visible light communication system may be implemented and believe
Number direction controlling and emissive porwer control.
In order to solve the above-mentioned technical problem, visible light communication system provided by the utility model is achieved in that
A kind of visible light communication system, comprising: photoelectric conversion module, terminal signaling sensing module, intelligent object and light letter
Number control module；
The photoelectric conversion module, for the electric signal of internet information source to be converted to optical signal；
The terminal signaling sensing module perceives the end for detecting to the optical signal that terminal device receives
The signal strength for the optical signal source signal that end equipment receives；
The intelligent object, the signal strength detected for receiving the terminal signaling sensing module, in the signal
When intensity is less than preset value, needed for being calculated as the terminal device offer optical signal according to the terminal device present position
LED light and LED light irradiating angle；
The optical signal control module is that the terminal device provides optical signal for receiving the intelligent object transmission
Required LED light and/or LED light irradiating angle adjusts the LED light switch and/or adjusts the LED light irradiating angle.
Optionally, the optical signal control module includes: LED light signal projector and LED light controller；The LED light
The LED light array that transmitter is made of LED illuminator；The LED light controller, for adjusting the switch of the LED illuminator
And irradiating angle.
Optionally, the LED illuminator is mounted on the spherical bracket that can be turned to, and the spherical shape carriage turns direction changes
LED illuminator irradiating angle.
Terminal signaling sensing module and intelligent object is arranged in visible light communication system provided by the utility model, realizes light
The detection and adjustment of signal strength calculate, and optical signal control module controls LED illuminator switch and adjustment irradiating angle, realize
The adjustment of optical signal in optical communication system can be realized the covering of all angles optic communication signal compared with the existing technology.
Detailed description of the invention
Fig. 1 is the utility model visible light communication system structural schematic diagram;
Fig. 2 is the utility model visible light communication system LED light array；
Fig. 3 is that the utility model provides visible light communication spherical shape bracket；
Fig. 4 is terminal to LED light array shortest straight line distance and angle schematic diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of visible light communication system, comprising: photoelectric conversion module 100, terminal signaling sensing module
200, intelligent object 300 and optical signal control module 400；
The photoelectric conversion module 100, for the electric signal of internet information source to be converted to optical signal；
The terminal signaling sensing module 200, for being detected to the optical signal that terminal device receives, described in perception
The signal strength for the optical signal source signal that terminal device receives；
The intelligent object 300, the signal strength detected for receiving the terminal signaling sensing module, in the letter
When number intensity is less than preset value, it is calculated as needed for the terminal device provides optical signal according to the terminal device present position
LED light and LED light irradiating angle；
The optical signal control module 400 is that the terminal device provides light for receiving the intelligent object transmission
LED light needed for signal and/or LED light irradiating angle adjust the LED light switch and/or adjust the LED light illumination angle
Degree.
When the intensity for the optical signal source signal that terminal device receives is less than 500Lx-300Lx, illustrate to need to increase letter
Number intensity, intelligent object just according to terminal present position, calculate required LED light and LED light irradiating angle；These LED light energy
The optical signal of enough effectively transmitting photoelectric conversion module conversions, the optical signal that wherein optical signal source issues are the telecommunications of internet information source
Number it is converted into optical signal.
Under the occasion for requiring light signal strength high, when light signal strength is less than 500Lx, it is necessary to it is strong to increase signal
Degree；Under the occasion for requiring light signal strength requirement low, when light signal strength is less than 300Lx, need to increase signal strength；This hair
Bright without limitation, those skilled in the art can set according to intensity requirement.
For the structure composition for further illustrating optical signal control module, the optical signal control module includes: LED light signal
Transmitter 410 and LED light controller 420；The LED light array that the LED light transmitter is made of LED illuminator；The LED light
Controller, for adjusting the switch and irradiating angle of the LED illuminator.As shown in Fig. 2, LED light array is a rectangular array.
If visible light communication system is on subway, LED light array, which is spaced a distance, is mounted on roof；If it is in market, root
According to the closed situation of markck space, mounted LED lamp array.
The location of terminal is that terminal reaches the shortest linear distance of LED light array and straight line and the LED light array
Between angle.Terminal and intersection point of the shortest straight line of LED light array on LED light array can determine the LED hair on intersection point
LED illuminator provides light signal for terminal around body of light or intersection point；The angle of shortest straight line and LED array can determine friendship
LED illuminator provides the irradiating angle of light signal for terminal around LED illuminator or intersection point on point.Shortest straight line and LED
The angle of array is acute angle.As shown in figure 4, being terminal to LED light array shortest straight line distance and angle schematic diagram.
For the adjustment for realizing the LED illuminator direction of the launch, the LED illuminator is mounted on the spherical bracket that can be turned to,
The spherical shape carriage turns direction changes LED illuminator irradiating angle.It is spherical carrier structure schematic diagram as shown in Figure 3, it is spherical
Bracket can left-right and front-back 180 degree rotation, it is ensured that LED illuminator realize all angles irradiation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (3)
1. a kind of visible light communication system characterized by comprising photoelectric conversion module, terminal signaling sensing module, intelligent mould
Block and optical signal control module；
The photoelectric conversion module, for the electric signal of internet information source to be converted to optical signal；
The terminal signaling sensing module perceives the terminal and sets for detecting to the optical signal that terminal device receives
The signal strength of the standby optical signal source signal received；
The intelligent object, the signal strength detected for receiving the terminal signaling sensing module, in the signal strength
When less than preset value, LED needed for the terminal device provides optical signal is calculated as according to the terminal device present position
Lamp and LED light irradiating angle；
The optical signal control module is that the terminal device is provided needed for optical signal for receiving the intelligent object transmission
LED light and/or LED light irradiating angle, adjust LED light switch and/or adjust the LED light irradiating angle.
2. visible light communication system according to claim 1, which is characterized in that the optical signal control module includes: LED
Modulating signal transmitter and LED light controller；The LED light array that the LED light transmitter is made of LED illuminator；The LED light
Controller, for adjusting the switch and irradiating angle of the LED illuminator.
3. visible light communication system according to claim 2, which is characterized in that the LED illuminator, which is mounted on, to be turned to
Spherical bracket on, it is described spherical shape carriage turns direction change LED illuminator irradiating angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168706.9U CN208369589U (en) | 2018-07-23 | 2018-07-23 | A kind of visible light communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168706.9U CN208369589U (en) | 2018-07-23 | 2018-07-23 | A kind of visible light communication system |
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| CN208369589U true CN208369589U (en) | 2019-01-11 |
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| CN201821168706.9U Active CN208369589U (en) | 2018-07-23 | 2018-07-23 | A kind of visible light communication system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152707A (en) * | 2019-06-28 | 2020-12-29 | Oppo广东移动通信有限公司 | Light fidelity LiFi communication control method and device in mobile terminal, terminal and medium |
| CN112153184A (en) * | 2019-06-28 | 2020-12-29 | Oppo广东移动通信有限公司 | Mobile terminal |
| WO2021017831A1 (en) * | 2019-07-29 | 2021-02-04 | Oppo广东移动通信有限公司 | Lifi communication control method and apparatus, transmission end, and mobile terminal |
| CN112468228A (en) * | 2020-12-10 | 2021-03-09 | Oppo广东移动通信有限公司 | LiFi communication optimization method and related device |
| CN112994793A (en) * | 2019-12-17 | 2021-06-18 | Oppo广东移动通信有限公司 | Communication control method for helmet device, and storage medium |
| CN113783619A (en) * | 2021-09-17 | 2021-12-10 | 深圳大学 | Optimization method based on fusion of visible light communication and visible light positioning |
| WO2023039827A1 (en) * | 2021-09-17 | 2023-03-23 | 深圳大学 | Optimization method based on fusion of visible light communication and visible light positioning |
| WO2024098773A1 (en) * | 2022-11-10 | 2024-05-16 | 华为技术有限公司 | Communication method, apparatus and system, and storage medium |
-
2018
- 2018-07-23 CN CN201821168706.9U patent/CN208369589U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152707A (en) * | 2019-06-28 | 2020-12-29 | Oppo广东移动通信有限公司 | Light fidelity LiFi communication control method and device in mobile terminal, terminal and medium |
| CN112153184A (en) * | 2019-06-28 | 2020-12-29 | Oppo广东移动通信有限公司 | Mobile terminal |
| US11171725B2 (en) | 2019-06-28 | 2021-11-09 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Mobile terminal |
| WO2021017831A1 (en) * | 2019-07-29 | 2021-02-04 | Oppo广东移动通信有限公司 | Lifi communication control method and apparatus, transmission end, and mobile terminal |
| CN112994793A (en) * | 2019-12-17 | 2021-06-18 | Oppo广东移动通信有限公司 | Communication control method for helmet device, and storage medium |
| CN112468228A (en) * | 2020-12-10 | 2021-03-09 | Oppo广东移动通信有限公司 | LiFi communication optimization method and related device |
| CN113783619A (en) * | 2021-09-17 | 2021-12-10 | 深圳大学 | Optimization method based on fusion of visible light communication and visible light positioning |
| CN113783619B (en) * | 2021-09-17 | 2022-11-15 | 深圳大学 | Optimization method based on fusion of visible light communication and visible light positioning |
| WO2023039827A1 (en) * | 2021-09-17 | 2023-03-23 | 深圳大学 | Optimization method based on fusion of visible light communication and visible light positioning |
| WO2024098773A1 (en) * | 2022-11-10 | 2024-05-16 | 华为技术有限公司 | Communication method, apparatus and system, and storage medium |
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