CN205584401U - Optic fibre extender - Google Patents
Optic fibre extender Download PDFInfo
- Publication number
- CN205584401U CN205584401U CN201620288611.5U CN201620288611U CN205584401U CN 205584401 U CN205584401 U CN 205584401U CN 201620288611 U CN201620288611 U CN 201620288611U CN 205584401 U CN205584401 U CN 205584401U
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- China
- Prior art keywords
- signal
- optical fiber
- group
- optic fibre
- video signal
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Abstract
The utility model provides an optic fibre extender, includes transmitter, receiver, and connect in optic fibre between transmitter and the receiver, optic fibre is one and independent is used for transmitting video signal promptly, is used for simultaneous transmission data signal's optic fibre again, perhaps optic fibre is two sets of mutually independent optic fibre groups, a set ofly is used for transmitting video signal, a set of transmitting data signal that is used for, and optic fibre group of every group is at least including an optic fibre. The utility model discloses an optical fiber transmission video signal and data signal have the advantage that transmission distance can reach 3 kilometers, transmission rate height and no electromagnetic radiation.
Description
Technical field
This utility model relates to a kind of network extender, especially relates to a kind of optical fiber extender.
Background technology
In Internet bar, school, enterprise a kind of network extender is widely used, for host computer being focused on the unified pipe of machine room
Reason, can the heating of settlement computer main frame well, noise, laying dust, the problem such as antitheft, significantly improve the spatial environments of user
With the life-span improving host computer.Network extender comprises an emitter and a receptor.Emitter and host computer
Display output, USB interface are connected with the start/reseting signal line of main frame, receptor and display, mouse, keyboard, earphone,
Switching on and shutting down/reset key that mike switchs with desktop is connected.Connect with extended line between emitter and receptor, typically prolong
Long line can be up to 50～70 meters, it is achieved host computer focuses on the purpose that machine room is placed.The computer master of prior art
Mostly the extended line that machine extension fixture uses is multicore copper twisted pairs, and in extended line, transmission is the signal of telecommunication, owing to the signal of telecommunication exists
Having Kelvin effect during transmission in copper cash, along with transmission signal rate is the highest, the distance of multicore copper twisted pairs is the longest and Kelvin effect
The most obvious, cause signal fading badly correctly to recover, cause bust this, therefore cable transmission cannot transmit 2K and 4K
Signal.
Therefore, technical staff is made that to this some improve, and carry out transmission video signal by optical fiber, is passed by copper cabling
Defeated usb signal, booting computer and reset signal etc..Owing to the transfer rate of optical fiber is little affected by the restriction of transmission range, therefore
The stability of transmission video signal can be kept, it is possible to the video signal of transmission two-forty.
But yet suffer from some problems.Such scheme uses copper cabling transmission usb signal, booting computer and reset letter
Number wait signal, there will be electromagnetic radiation during cable transmission signal, extraradial signal be easily stolen, cause information dropout,
And transfer rate also strengthens along with the increase of transmission range, Kelvin effect, affect this kind of data letter the most to a certain extent
Number transmission.
Utility model content
In order to overcome the problems referred to above, this utility model provides a kind of optical fiber extender to society, it is possible to increase transfer rate
Safety with transmitting procedure.
The technical solution of the utility model is: provide a kind of optical fiber extender, including emitter, receptor, and connects
Optical fiber between described emitter and receptor, it is characterised in that described optical fiber be one independent both for transmitting video
Signal, is used for again transmitting the optical fiber of data signal simultaneously；Or described optical fiber is two groups of separate optical fiber groups, and one group is used for
Transmission video signal, one group is used for transmitting data signal, and often group optical fiber group at least includes an optical fiber.
As to improvement of the present utility model, when described optical fiber is two groups of separate optical fiber groups, described emitter
Transmitting terminal module include more than one electrooptic switching element, the first video signal interface and the first data signal interfaces, often
Individual described electrooptic switching element is all corresponding with one group of optical fiber to be connected；The receiving terminal module of described receptor includes more than one photoelectricity
Converting unit, the second video interface and the second auxiliary data signal interfaces, each described photoelectric conversion unit all with one group of optical fiber pair
Should connect.
As improvement of the present utility model, described video signal at least includes following one, DVI signal, HDMI signal and
DP signal.
As improvement of the present utility model, described data signal at least includes following one: audio signal, switching on and shutting down are believed
Number, reset signal, usb signal and display lamp signal.
This utility model uses fiber-optic transfer video signal and data signal, has the advantage that
1 be limited in 50 meters from cable transmission within different, fiber-optic transfer is up to 3 kms；
2, fiber-optic transfer electromagnetic-radiation-free, the signal avoiding transmission is stolen and the problem that causes information dropout；
3, fiber-optic transfer can transmit the signal of the two-forties such as 2K and 4K.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
Refer to Fig. 1, Fig. 1 announcement is a kind of optical fiber 300 extender, including emitter 200, receptor 400, Yi Jilian
It is connected to the optical fiber 300 between described emitter 200 and receptor 400.Described optical fiber 300 is two groups of separate optical fiber 300,
One group is used for transmission video signal 330, and one group is used for transmitting usb signal, audio signal, machine open/close signal, reset signal or referring to
Show the miscellaneous function signals 340 such as modulating signal.Often group optical fiber 300 is connected with an emitter 200 and a receptor 400 respectively, or
Two groups of optical fiber 300 are all connected with same emitter 200 and receptor 400.Often group is at least provided with an optical fiber 300.Described optical fiber
The transmitting terminal of 300 is provided with transmitting terminal module 310, and the receiving terminal of described optical fiber 300 is provided with receiving terminal module 320.
Certainly, can also be set to optical fiber 300 as required i.e. can transmit again data letter with transmission video signal
Number an independent optical fiber structure.
Described transmitting terminal module 310 includes several electrooptic switching element 311, first video interfaces and the first auxiliary data letter
Number interface.Each described electrooptic switching element 311 is all corresponding with one group of optical fiber 300 to be connected.
The power supply of described emitter 200 is provided by the power supply of host computer 100.Emitter 200 is provided with transmitter function electricity
Road the 210, the 3rd miscellaneous function interface, the 3rd video interface, the 4th miscellaneous function interface and the 4th video interface.Described 3rd auxiliary
Functional interface and the first miscellaneous function interface is helped to connect through wire.Described 3rd video interface and the first video interface connect.Institute
State the 4th video interface to be connected with the video card interface on host computer 100, described 4th miscellaneous function interface and host computer 100
On miscellaneous function interface through wire connect.Described emitter 200 be additionally provided with audio signal, machine open/close signal, reset signal or
Sound card interface, switching on and shutting down interface, reseting interface and display lamp interface one on the interfaces, with host computer 100 such as display lamp signal
One corresponding connection.Video signal 330 and data signal that host computer 100 is transmitted by described transmitter function circuit 210 process
Rear transmission is to the transmitting terminal module 310 of optical fiber 300.
Described transmitter function circuit 210 includes the first video signal 330 adapter, for receiving from host computer 100
Video signal 330 and Visual Display Data signal, and it is micro-that described video signal 330 and Visual Display Data signal are issued first
Processor carries out package；And the first frequency division multiplexing network, for by described video signal 330 with from described first microprocessor
After data signal frequency division multiplexing after package, sent to receptor 400 by optical fiber 300.Described video signal 330 can be
In DVI/HDMI/DP signal, described Visual Display Data signal is display identification data EDID signal.
Described receiving terminal module 320 includes several photoelectric conversion unit the 321, second video interface and the second miscellaneous functions
Interface, each described photoelectric conversion unit 321 is all corresponding with one group of optical fiber 300 to be connected.Described receptor 400 is provided with receptor merit
Can circuit the 410, the 5th miscellaneous function interface, the 5th video interface and with the 6th miscellaneous function interface and the 6th video interface.The
Five miscellaneous function interfaces and the second miscellaneous function interface connect.5th video interface and the second video interface connect.6th auxiliary
Functional interface and the 6th video interface are connected with display 500 respectively.Optical fiber 300 is received by described receptor functional circuit 410
The video signal 330 of end and data signal send to display 500 after processing.The power supply of described receptor 400 is by external electricity
Source adapter provides.
Described receptor functional circuit 410 includes the second frequency division multiplexing network, the letter after the frequency division multiplexing that will receive
Number it is separated into the data signal after video signal 330 and package；Described video signal 330 is sent to the second video signal 330
Adapter, issues the data signal after described package the second microprocessor and carries out process of unpacking, described second video signal 330
Adapter receive separate after video signal 330 and described second microprocessor unpack after data signal after be sent to display
500。
The first video interface on transmitting terminal module 310 emitter 200 of described optical fiber 300 is aobvious with host computer 100
After card interface is connected, obtain the TMDS signal in the video signal 330 DVI/HDMI/DP signal of host computer 100 and display
Mark data EDID signal, emitted device functional circuit 210 sends to transmitting terminal module 310, by transmitting terminal module after processing
The digital video signal 330 of host computer 100 is converted to optical signal by 310, passes through fiber-optic transfer.The receiving terminal mould of optical fiber 300
After photoelectric conversion unit 321 on block 320 converts optical signals to the signal of telecommunication, by receiving terminal module 320, the signal of telecommunication is exported
To receptor 400, in receptor 400, receptor functional circuit 410 merges digital video signal 330 DVI/HDMI/DP letter
TMDS signal in number and display identification data EDID signal, display identification data EDID signal include clock line SCL,
Bidirectional data line SDA, hot plug HOTPLUG holding wire, form standard compliant digital video signal 330.By receiving
The 5th video interface on device 400 connects the 6th video interface of display 500, it is achieved by the digital video of host computer 100
The prolongation of signal 330DVI/HDMI/DP signal is transferred to display 500.
Described transmitter function circuit 210 includes host computer control terminal, for receiving the duty number of host computer 100
The number of it is believed that also is sent to first microprocessor and carries out package, and the data signal after described first microprocessor package also includes described
Data signal.Described data signal includes in usb signal, audio signal, machine open/close signal, reset signal and display lamp signal
At least one.
The signal received in host computer 100 is integrated into two path signal by built-in circuit by this utility model, a road
For display signal, another road is miscellaneous function signal 340, and miscellaneous function signal 340 includes usb signal, audio signal, ON/OFF
At least one in machine signal, display lamp signal and reset signal, two paths of signals is two groups of light by two groups of opto-electronic conversion respectively
Signal, in incoming two groups of optical fiber 300, one group of transmission video signal 330, another group transmission miscellaneous function signal 340, optical fiber 300
After two groups of signals of transmission convert optical signals to the signal of telecommunication by receiving terminal module 320 respectively, through receptor 400, described
Video signal 330 is converted to the signals such as DVI/HDMI/DP by receptor 400, and is connected to display 500；Another group data letter
Number it is decoded as usb signal, audio signal, machine open/close signal, reset signal and display lamp signal by receptor 400, straight by user
Connect operation.
This utility model uses fiber-optic transfer video signal and miscellaneous function signal, has without distance limit, without electromagnetism spoke
The advantage penetrating and can transmitting the signal of the two-forties such as 2K and 4K.
Those skilled in that art can carry out various change and modification without deviating from this utility model to this utility model
Spirit and scope.So, if of the present utility model these amendment and modification belong to this utility model claim and etc.
Within the scope of technology, then this utility model is also intended to change and including modification include these.
Claims (4)
1. an optical fiber extender, including emitter, receptor, and is connected to the light between described emitter and receptor
Fine, it is characterised in that described optical fiber be one independent both for transmission video signal, again for transmission data signal simultaneously
Optical fiber；Or described optical fiber is two groups of separate optical fiber groups, one group is used for transmission video signal, and one group is used for transmitting data
Signal, often group optical fiber group at least includes an optical fiber.
Optical fiber extender the most according to claim 1, it is characterised in that when described optical fiber is two groups of separate optical fiber
During group, the transmitting terminal module of described emitter includes more than one electrooptic switching element, the first video signal interface and first
Data signal interfaces, each described electrooptic switching element is all corresponding with one group of optical fiber to be connected；The receiving terminal module of described receptor
Including more than one photoelectric conversion unit, the second video interface and the second data signal interfaces, each described photoelectric conversion unit
All with one group of corresponding connection of optical fiber.
Optical fiber extender the most according to claim 1 and 2, it is characterised in that described video signal at least includes with next
Kind, DVI signal, HDMI signal and DP signal.
Optical fiber extender the most according to claim 1, it is characterised in that described data signal at least includes following one:
Audio signal, switching on and shutting down signal, reset signal, usb signal and display lamp signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620288611.5U CN205584401U (en) | 2016-04-09 | 2016-04-09 | Optic fibre extender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620288611.5U CN205584401U (en) | 2016-04-09 | 2016-04-09 | Optic fibre extender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205584401U true CN205584401U (en) | 2016-09-14 |
Family
ID=56864496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620288611.5U Expired - Fee Related CN205584401U (en) | 2016-04-09 | 2016-04-09 | Optic fibre extender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205584401U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707992A (en) * | 2016-12-28 | 2017-05-24 | Tcl数码科技（深圳）有限责任公司 | Computer host centralized control system and method |
| CN106768275A (en) * | 2016-12-16 | 2017-05-31 | 善测（天津）科技有限公司 | A kind of optical fiber Tip timing sensor extended line |
| CN108964767A (en) * | 2018-09-05 | 2018-12-07 | 深圳智尚视讯科技有限公司 | A kind of HDMI wire transmitted using optical fiber |
-
2016
- 2016-04-09 CN CN201620288611.5U patent/CN205584401U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768275A (en) * | 2016-12-16 | 2017-05-31 | 善测（天津）科技有限公司 | A kind of optical fiber Tip timing sensor extended line |
| CN106707992A (en) * | 2016-12-28 | 2017-05-24 | Tcl数码科技（深圳）有限责任公司 | Computer host centralized control system and method |
| CN108964767A (en) * | 2018-09-05 | 2018-12-07 | 深圳智尚视讯科技有限公司 | A kind of HDMI wire transmitted using optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160914 Termination date: 20200409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |