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CN205693676U - A kind of LED-based free-space optics access network device - Google Patents

A kind of LED-based free-space optics access network device Download PDF

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Publication number
CN205693676U
CN205693676U CN201620666621.8U CN201620666621U CN205693676U CN 205693676 U CN205693676 U CN 205693676U CN 201620666621 U CN201620666621 U CN 201620666621U CN 205693676 U CN205693676 U CN 205693676U
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CN
China
Prior art keywords
signal
module
led
network device
access network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620666621.8U
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Chinese (zh)
Inventor
刘建才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University
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Nanjing University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University filed Critical Nanjing University
Priority to CN201620666621.8U priority Critical patent/CN205693676U/en
Application granted granted Critical
Publication of CN205693676U publication Critical patent/CN205693676U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of LED-based free-space optics access network device, including: USB port, signal conversion module, sequential control circuit, signal receiving module, signal emission module;Wherein USB port electrically connects with computer network;Signal receiving module is for receiving the optical signal that other LED access device sends;Signal emission module includes energy supply control module and white LED light source;Signal conversion module carries out data transmission with USB port, and the optical signal receiving signal receiving module is changed, and the signal obtained after module processing is transferred to signal output module exports;Signal receiving module includes the silicon cell optical pickup apparatus receiving carrier signal, is connected with signal conversion module.

Description

A kind of LED-based free-space optics access network device
Technical field
This utility model relates to communication technical field, particularly relates to a kind of LED-based free-space optics access network device.
Background technology
Visible ray wireless communication technology is as the wireless light communication skill that the development of White-light LED illumination technology is set up Art, is wireless light communication technology based on white light LED part.And white light LED part has low-power consumption, high service life and green The advantages such as environmental protection, its Output optical power and driving electric current have high response sensitivity, it is possible to realize high-speed data communication.Utilize white The high-speed response characteristic of light LED component, while light source lighting, utilizes data outputting module and auxiliary circuit, can be at a high speed The output electric current of modulation device, carries out information transmission by the change of output intensity.
Visible ray wireless communication technology can realize merging with current wireless communication system.Rise along with LED industry With development rapidly, semiconductor lighting will replace traditional illumination.Visible ray is capable of ubiquitous communication, nothing while illumination The frequency spectrum resource limited can provide jumbo communication service.The development of visible ray wireless communication technology promotes data exchange Convenience, can simultaneously bi-directionally transmit particularly without netting twine add light wireless communication technology application advantage, promote it Advance.But, light wireless communication technology itself also has its limitation, if such as source light is blocked, network signal will Cut-off, greatly limit the application of visible ray wireless communication technology.
Summary of the invention
Technical problem to be solved in the utility model is to provide one can not be by electromagnetic interference, it is achieved Large Copacity, height The one LED-based portable mobile wireless Optical Access Network device of the short-range communication service of speed, to solve existing optical-fiber network The problem that access technology range of application is narrow.
To achieve these goals, the technical solution of the utility model is:
A kind of LED-based free-space optics access network device, including USB port, signal conversion module, sequencing contro electricity Road, signal receiving module, signal emission module.
Described USB port is for carrying out data transmission according to usb protocol, and electrically connects with computer network.
Described signal receiving module is for receiving the optical signal that non-described visible ray wireless LED access device sends.
Described signal emission module includes energy supply control module and white LED light source, for output signal is converted into LED Optical signal, is electrically connected described optical signal receiving module, signal output module and USB port, described signal conversion module with USB port carries out data transmission, and the optical signal receiving signal receiving module is changed, and by described signal conversion module The signal obtained after reason is transferred to signal output module and exports.
Described signal receiving module includes the silicon cell optical pickup apparatus receiving carrier signal, silicon cell light-receiving Connecting on the outfan of device and have second amplifying circuit, this second amplifying circuit is connected with signal conversion module.
Described signal emission module includes that energy supply control module and white LED light source, described energy supply control module are used for pressing The signal obtained after processing according to described signal conversion module controls described white LED light source, it is achieved the direct current control of white LED light source System.
Described white light LEDs signal emission module includes a LED or the lamp array of multiple LED composition.
Prior art compares, and this utility model has the advantage that
This utility model provides a kind of LED-based free-space optics access network device, utilizes white light LEDs to can be used as communication Light source, and be received by visible ray carrier signal, transmit information by free space, it is achieved that the signal of white light LEDs is sent out Penetrate and receive, it is to avoid signal is transmitted the interference brought by environmental change, further, since white light LEDs can provide stable photograph Bright and the most common, therefore, white light LEDs communications can effectively save the energy, and offers convenience for Consumer's Experience, The signal optical source accessed for Broadband high-speed data establishes basis.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model;
Detailed description of the invention
Below in conjunction with the accompanying drawings and example, detailed description of the invention of the present utility model is described in further detail.
As it is shown in figure 1, one of the present utility model LED-based free-space optics access network device, including USB port, letter Number modular converter, sequential control circuit, signal receiving module, signal emission module;Wherein USB port is carried out according to usb protocol Data are transmitted, and electrically connect with computer network;Signal receiving module is used for receiving non-described visible ray wireless LED access device The optical signal sent;Signal emission module includes energy supply control module and white LED light source, for output signal is converted into LED light signal, is electrically connected described optical signal receiving module, signal output module and USB port, described signal conversion module Carrying out data transmission with USB port, the optical signal receiving signal receiving module is changed, and by described signal conversion module The signal obtained after process is transferred to signal output module and exports;Signal receiving module includes the silicon receiving carrier signal Light cell optical pickup apparatus, the outfan of silicon cell optical pickup apparatus connects and has second amplifying circuit, and these two grades are amplified electricity Road is connected with signal conversion module;Signal emission module includes energy supply control module and white LED light source, and described power supply controls The signal that module obtains after processing according to described signal conversion module controls described white LED light source, it is achieved white light LEDs light The DC control in source;White light LEDs signal emission module includes a LED or the lamp array of multiple LED composition.
Concrete implementation process is:
Use general USB port to connect computer network and receive data input, through signal conversion module, sequencing contro Circuit, then sent optical information by LED, photodetection receiver module receive wireless optical information, enter back into sequential control after treatment Circuit processed, signal conversion module, input computer network by USB port data the most again.

Claims (7)

1. a LED-based free-space optics access network device, including: USB port, signal conversion module, sequential control circuit, Signal receiving module, signal emission module.
One the most according to claim 1 LED-based free-space optics access network device, it is characterised in that: described USB end Mouth is for carrying out data transmission according to usb protocol, and electrically connects with computer network.
A kind of LED-based free-space optics access network device the most as claimed in claim 1 or 2, it is characterised in that: described signal Receiver module is for receiving the optical signal that non-described visible ray wireless LED access device sends.
A kind of LED-based free-space optics access network device the most as claimed in claim 1, it is characterised in that: described signal is sent out Penetrate module and include energy supply control module and white LED light source, for output signal is converted into LED light signal, be electrically connected Described optical signal receiving module, signal output module and USB port, described signal conversion module and USB port carry out data biography Defeated, the optical signal receiving signal receiving module is changed, and is passed by the signal obtained after the process of described signal conversion module It is defeated by signal output module to export.
One the most according to claim 1 LED-based free-space optics access network device, it is characterised in that: described signal Receiver module includes the silicon cell optical pickup apparatus receiving carrier signal, and the outfan of silicon cell optical pickup apparatus connects Being connected to second amplifying circuit, this second amplifying circuit is connected with signal conversion module.
One the most according to claim 1 LED-based free-space optics access network device, it is characterised in that: described signal Transmitter module includes energy supply control module and white LED light source, and described energy supply control module is for according to described signal modulus of conversion The signal that block obtains after processing controls described white LED light source, it is achieved the DC control of white LED light source.
7. the one LED-based free-space optics access network device as described in claim 1 or 4, it is characterised in that: described white light LED signal transmitter module includes a LED or the lamp array of multiple LED composition.
CN201620666621.8U 2016-06-24 2016-06-24 A kind of LED-based free-space optics access network device Expired - Fee Related CN205693676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620666621.8U CN205693676U (en) 2016-06-24 2016-06-24 A kind of LED-based free-space optics access network device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620666621.8U CN205693676U (en) 2016-06-24 2016-06-24 A kind of LED-based free-space optics access network device

Publications (1)

Publication Number Publication Date
CN205693676U true CN205693676U (en) 2016-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620666621.8U Expired - Fee Related CN205693676U (en) 2016-06-24 2016-06-24 A kind of LED-based free-space optics access network device

Country Status (1)

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CN (1) CN205693676U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107196702A (en) * 2017-04-19 2017-09-22 安徽大学 A kind of new light wireless communication intelligence system
CN108092722A (en) * 2017-12-14 2018-05-29 武汉电信器件有限公司 A kind of circuit and its control method of C-RAN multiplexing module
CN108199771A (en) * 2018-02-11 2018-06-22 安徽工程大学 A kind of visible light communication device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107196702A (en) * 2017-04-19 2017-09-22 安徽大学 A kind of new light wireless communication intelligence system
CN107196702B (en) * 2017-04-19 2019-08-30 安徽大学 A kind of light wireless communication intelligence system
CN108092722A (en) * 2017-12-14 2018-05-29 武汉电信器件有限公司 A kind of circuit and its control method of C-RAN multiplexing module
CN108199771A (en) * 2018-02-11 2018-06-22 安徽工程大学 A kind of visible light communication device

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161116

Termination date: 20190624