CN106657942A - Dual-core optical fiber transmitter for DVI signals - Google Patents

Abstract

The invention discloses a dual-core optical fiber transmitter for DVI signals. The transmitter comprises a transmitting end and a receiving end, wherein a blue fastening screw is arranged on the transmitting end, and a first power interface, a first power indicator, a first LC optical fiber interface, a working state indicator, an EDID indicator and an EDID learning button are arranged on the other side of the transmitting end; a black fastening screw is arranged on the receiving end, and a second power interface, a second power indicator, a second LC optical fiber interface, an HPD indicator, a connection state indicator and an N/A are arranged on the other side of the receiving end. According to the dual-core optical fiber transmitter for the DVI signals provided by the invention, smooth transmission of high-definition DVI or HDMI videos is achieved; when the connection state indicator of the receiving end is abnormal, the location of a fault point can be rapidly determined by checking the indicator state of the transmitting end, so that maintenance efficiency is greatly improved and maintenance difficulty is reduced, the shells are made of aluminum alloy, and thus good heat dissipation and good EMI/EMC shielding property are provided.

Description

A kind of core fibre transmitter of DVI signals two

Technical field

The present invention relates to the prolongation technical field of HD video, the especially a kind of core fibre transmitter of DVI signals two.

Background technology

DVI（Digital Visual Interface, digital visual interface）It is current modal high-definition digital video One of interface, DVI and HDMI are the high-definition video signals without compression due to transmission, and its bandwidth is very high, high bandwidth energy Enough perfect high definition display effects, but while and greatly limit the transmission range of signal, the existing core of DVI signals two at present Optical fiber transmission device, has connected state indicator lamp due to there was only receiving terminal, once the indicator lamp shows abnormal, then installation personnel still without Method judges which link error front end is, this undoubtedly increased difficulty of construction, and the core fibre transmitter of existing DVI signals two is sent out Penetrating end has power lights, EDID indicator lamps and EDID study button, and receiving terminal has power lights and connection status indicator lamp, these instructions Lamp and EDID study button be disposed on the not ipsilateral of the transmitting terminal and receiving terminal, therefore, when have multiple transmitting terminals or When receiving terminal is mounted side by side, part indicator lamp and EDID study buttons are easily covered by other adjacent transmission ends or receiving terminal, User is caused to be difficult to observe or operate, the core fibre transmitter of existing DVI signals two, transmitting terminal relearns display device After EDID information, the EDID data of original storage can be substituted, once there is maloperation, it is impossible to Default Value is replied, this equally gives Installation and debugging make troubles, and transmitting terminal is as receiving terminal appearance color, unless carefully seen model, are otherwise difficult to distinguish and send out End and receiving terminal are penetrated, is made troubles to in-site installation.

The content of the invention

It is an object of the invention to provide a kind of core fibre transmitter of DVI signals two, with Lossless transport, maintenance difficulties The advantage of low, easy to operate and convenient installation, to solve the problems, such as above-mentioned background technology in propose.

For achieving the above object, the present invention provides following technical scheme：A kind of core fibre transmitter of DVI signals two, transmitting End connects receiving terminal, including transmitting terminal and receiving terminal by optical fiber, and the transmitting terminal is provided with blue fastening screw, in transmitting terminal Side be provided with the first DVI-Digital, the opposite side of transmitting terminal be provided with the first power interface, the first power supply indicator, First LC optical fiber interfaces, working station indicator, EDID indicator lamps and EDID study button, it is tight that the receiving terminal is provided with black Gu screw, in the side of receiving terminal the second DVI-Digital is provided with, the opposite side of receiving terminal be provided with second source interface, Second source indicator lamp, the 2nd LC optical fiber interfaces, HPD indicator lamps, connected state indicator lamp and N/A, the transmitting terminal is provided with It is DVI/HDMI input modules, EDID management modules, electrooptic conversion module, laser emitting module, the first indicating lamp module, first electric Source control module and central control module, DVI/HDMI input modules are electrically connected with EDID management modules by DDC signals, electric light Modular converter is electrically connected respectively with DVI/HDMI input modules, laser emitting module, the receiving terminal be provided with laser pick-off module, Second indicating lamp module, photoelectric conversion module, DVI/HDMI output modules and second source management module, photoelectric conversion module point Do not electrically connect with laser pick-off module, DVI/HDMI output modules.

As further scheme of the invention：First indicating lamp module is managed respectively with electrooptic conversion module, EDID Module is electrically connected, and central control module is electrically connected with EDID management modules, and the first power management module is input into DVI/HDMI Module, EDID management modules, electrooptic conversion module, laser emitting module, the first indicating lamp module, central control module are electrically connected Connect.

As further scheme of the invention：Second indicating lamp module respectively with photoelectric conversion module, laser pick-off Module is electrically connected, and second source management module is and laser pick-off module, the second indicating lamp module, photoelectric conversion module, DVI/ HDMI output modules are electrically connected.

As further scheme of the invention：First power interface, the first power supply indicator, working condition are indicated Lamp, EDID indicator lamps and EDID study button is fully integrated into front console.

As further scheme of the invention：The material of the optical fiber that the transmitting terminal is connected with receiving terminal be 2 core LC single modes/ Multimode fibre.

Compared with prior art, beneficial effect of the present invention：

The core fibre transmitter of DVI signals of the present invention two, realizes the smooth transmission of high definition DVI or HDMI video, using advanced light Power conversion technology, can be by high definition DVI or HDMI audio-video signal Lossless transports, using advanced single mode optical device, can be with root Need according to system, can both use multimode fibre, single-mode fiber can be used again, by farthest 500 meters of the transmission of 2 core LC multimode fibres, By farthest 2000 meters of the transmission of 2 core LC single-mode fibers, transmitter transmitting terminal has three indicator lamps, is respectively the first power supply instruction Lamp, working station indicator and EDID indicator lamps, also one EDID learns button, and receiving terminal also has three indicator lamps, respectively It is second source indicator lamp, HPD indicator lamps, connected state indicator lamp, when receiving terminal connected state indicator lamp is abnormal, as long as looking into See the LED status of transmitting terminal, you can quick failure judgement point is located, and increases substantially overhaul efficiency and reduces maintenance difficulties, Transmitter of the present invention is by all first power interfaces, the first power supply indicator, working station indicator, EDID indicator lamps and EDID Study button is fully integrated into front console, this cause the present invention show linking status and module operating aspect it is more aobvious easily and Convenient, transmitter transmitting terminal of the present invention not only has the manual learning functionalities of EDID, also add initial EDID genuine EDID and replys Function, facilitates client preferably to carry out equipment EDID management, Al-alloy metal shell, good thermal diffusivity, good EMI/EMC Shielding, and transmitter transmitting terminal fastening screw is using blueness, and receiving terminal fastening screw adopts black, convenient to distinguish, convenient Install.

Description of the drawings

Fig. 1 is the transmitting terminal schematic diagram of the present invention；

Fig. 2 is the receiving terminal schematic diagram of the present invention；

Fig. 3 is the transmitting terminal mode of operation schematic diagram of the present invention；

Fig. 4 is the receiving terminal mode of operation schematic diagram of the present invention；

Fig. 5 is the overall structure operating diagram of the present invention.

In figure：The DVI-Digital of 1- first；2- transmitting terminals；3- blueness fastening screws；The power interfaces of 4- first；5- first is electric Source indicator lamp；The LC optical fiber interfaces of 6- the；7- working station indicators；8-EDID indicator lamps；9-EDID learns button；10- DVI/HDMI input modules；The DVI-Digital of 11- second；12- receiving terminals；13- black fastening screws；14- second source interfaces； 15- second source indicator lamps；The LC optical fiber interfaces of 16- the 2nd；17-HPD indicator lamps；18- connected state indicator lamps；19-N/A；20- EDID management modules；21- electrooptic conversion modules；22- laser emitting modules；The indicating lamp modules of 23- first；24- the first power supply pipes Reason module；25- central control modules；26- laser pick-off modules；The indicating lamp modules of 27- second；28- photoelectric conversion modules；29- DVI/HDMI output modules；30- second source management modules.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

Fig. 1-5 are referred to, in the embodiment of the present invention, a kind of core fibre transmitter of DVI signals two, including transmitting terminal 2 and connect Receiving end 12, transmitting terminal 2 connects receiving terminal 12 by optical fiber, and transmitting terminal 2 is provided with blue fastening screw 3, in the side of transmitting terminal 2 Be provided with the first DVI-Digital 1, the opposite side of transmitting terminal 2 be provided with the first power interface 4, the first power supply indicator 5, One LC optical fiber interfaces 6, working station indicator 7, EDID indicator lamps 8 and EDID study button 9, the first power interface 4, first is electric Source indicator lamp 5, working station indicator 7, EDID indicator lamps 8 and EDID study button 9 is fully integrated into front console, is showing Linking status and module operating aspect are more aobvious easily and convenient, and receiving terminal 12 is provided with black fastening screw 13, transmitting terminal fastening Using blueness, receiving terminal fastening screw adopts black to screw, convenient to distinguish, convenient to install, and is provided with the side of receiving terminal 12 Second DVI-Digital 11, in the opposite side of receiving terminal 12 second source interface 14, second source indicator lamp 15, second are provided with LC optical fiber interfaces 16, HPD indicator lamps 17, connected state indicator lamp 18 and N/A19, the optical fiber that transmitting terminal 2 is connected with receiving terminal 12 Material be 2 core LC single modes/multimode fibre, according to system needs, can both use multimode fibre, single-mode fiber can be used again, adopt With 2 50/125 μm of core LC multimodes OM3 optical fiber, farthest 500 meters of transmission；Using 2 core LC single modes G.652D optical fiber (9/125 μm), most Teletransmission is defeated 2000 meters, and transmitting terminal 2 is provided with DVI/HDMI input modules 10, EDID management modules 20, electrooptic conversion module 21, laser Transmitter module 22, the first indicating lamp module 23, the first power management module 24 and central control module 25, DVI/HDMI input moulds Block 10 is connected with EDID management modules 20 by DDC signals, electrooptic conversion module 21 respectively with DVI/HDMI input modules 10, swash Light emission module 22 is electrically connected, and the first indicating lamp module 23 is electrically connected respectively with electrooptic conversion module 21, EDID management modules 20, Central control module 25 is electrically connected with EDID management modules 20, the equal and DVI/HDMI input modules of the first power management module 24 10th, EDID management modules 20, electrooptic conversion module 21, laser emitting module 22, the first indicating lamp module 23, central control module 25 electrical connections, receiving terminal 12 is provided with laser pick-off module 26, the second indicating lamp module 27, photoelectric conversion module 28, DVI/HDMI Output module 29 and second source management module 30, photoelectric conversion module 28 is defeated with laser pick-off module 26, DVI/HDMI respectively Go out module 29 to electrically connect, the second indicating lamp module 27 is electrically connected respectively with photoelectric conversion module 28, laser pick-off module 26, second Power management module 30 is exported with laser pick-off module 26, the second indicating lamp module 27, photoelectric conversion module 28, DVI/HDMI Module 29 is electrically connected, the core fibre transmitter of DVI signals two, the smooth transmission of high definition DVI or HDMI video is realized, using advanced Photoelectric conversion technique, can be by high definition DVI or HDMI audio-video signal Lossless transports, using advanced single mode optical device, can be with According to system needs, multimode fibre can be both used, single-mode fiber can have been used again, by the farthest transmission 500 of 2 core LC multimode fibres Rice, by farthest 2000 meters of the transmission of 2 core LC single-mode fibers, transmitter transmitting terminal 2 has three indicator lamps, is respectively that the first power supply refers to Show lamp 5, working station indicator 7 and EDID indicator lamps 8, also one EDID learns button 9, and receiving terminal 12 also there are three instructions Lamp, is respectively second source indicator lamp 15, HPD indicator lamps 17, connected state indicator lamp 18, when the connected state of receiving terminal 12 is indicated When lamp 18 is abnormal, as long as checking the LED status of transmitting terminal 2, you can quick failure judgement point is located, and increases substantially maintenance Efficiency simultaneously reduces maintenance difficulties, and transmitter of the present invention refers to all first power interfaces 4, the first power supply indicator 5, working condition Show that lamp 7, EDID indicator lamps 8 and EDID study button 9 is fully integrated into front console, this causes the present invention showing linking status More aobvious with module operating aspect easily and convenient, transmitter transmitting terminal of the present invention not only has the manual learning functionalities of EDID, also increases Initial EDID genuine EDID recovery function is added, has facilitated client preferably to carry out equipment EDID management, Al-alloy metal shell is good Good thermal diffusivity, good EMI/EMC shieldings, and the fastening screw of transmitter transmitting terminal 2 are fastened using blueness, receiving terminal 12 Screw adopts black, convenient to distinguish, convenient to install.

In sum：The core fibre transmitter of DVI signals of the present invention two, realizes the smooth transmission of high definition DVI or HDMI video, adopts Advanced photoelectric conversion technique, can be by high definition DVI or HDMI audio-video signal Lossless transports, using advanced single-mode optics device Part, both can use multimode fibre according to system needs, single-mode fiber can be used again, by 2 core LC multimode fibre most teletransmissions Defeated 500 meters, by farthest 2000 meters of the transmission of 2 core LC single-mode fibers, transmitter transmitting terminal 2 has three indicator lamps, is respectively first Power supply indicator 5, working station indicator 7 and EDID indicator lamps 8, also one EDID learns button 9, and receiving terminal 12 also has three Individual indicator lamp, is respectively second source indicator lamp 15, HPD indicator lamps 17, connected state indicator lamp 18, when the connected state of receiving terminal 12 When state indicator lamp 18 is abnormal, as long as checking the LED status of transmitting terminal 2, you can quick failure judgement point is located, and significantly carries High overhaul efficiency simultaneously reduces maintenance difficulties, transmitter of the present invention by all first power interfaces 4, the first power supply indicator 5, work Status indicator lamp 7, EDID indicator lamps 8 and EDID study button 9 is fully integrated into front console, and this causes the present invention showing chain Connect state and module operating aspect is more aobvious easily and convenient, not only there is transmitter transmitting terminal of the present invention EDID to learn work(manually Can, initial EDID genuine EDID recovery function is also add, facilitate client preferably to carry out equipment EDID management, Al-alloy metal Shell, good thermal diffusivity, good EMI/EMC shieldings, and the fastening screw of transmitter transmitting terminal 2 are received using blue 12 fastening screws are held to adopt black, it is convenient to distinguish, it is convenient to install.

It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.

Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art Understandable other embodiment.

Claims (5)

1. a kind of core fibre transmitter of DVI signals two, including transmitting terminal（2）And receiving terminal（12）, transmitting terminal（2）Connected by optical fiber Connect receiving terminal（12）, it is characterised in that：The transmitting terminal（2）It is provided with blue fastening screw（3）, in transmitting terminal（2）Side It is provided with the first DVI-Digital（1）, in transmitting terminal（2）Opposite side be provided with the first power interface（4）, the first power supply instruction Lamp（5）, a LC optical fiber interfaces（6）, working station indicator（7）, EDID indicator lamps（8）Learn button with EDID（9）, it is described Receiving terminal（12）It is provided with black fastening screw（13）, in receiving terminal（12）Side be provided with the second DVI-Digital（11）, Receiving terminal（12）Opposite side be provided with second source interface（14）, second source indicator lamp（15）, the 2nd LC optical fiber interfaces （16）, HPD indicator lamps（17）, connected state indicator lamp（18）And N/A（19）, the transmitting terminal（2）It is provided with DVI/HDMI inputs Module（10）, EDID management modules（20）, electrooptic conversion module（21）, laser emitting module（22）, the first indicating lamp module （23）, the first power management module（24）And central control module（25）, DVI/HDMI input modules（10）Mould is managed with EDID Block（20）Connected by DDC signals, electrooptic conversion module（21）Respectively with DVI/HDMI input modules（10）, laser emitting module （22）Electrical connection, the receiving terminal（12）It is provided with laser pick-off module（26）, the second indicating lamp module（27）, photoelectric conversion module （28）, DVI/HDMI output modules（29）Respectively with second source management module（30）, photoelectric conversion module（28）Connect with laser Receive module（26）, DVI/HDMI output modules（29）Electrical connection.

2. the core fibre transmitter of a kind of DVI signals two according to claim 1, it is characterised in that：First indicator lamp Module（23）Respectively with electrooptic conversion module（21）, EDID management modules（20）Electrical connection, central control module（25）With EDID Management module（20）Electrical connection, the first power management module（24）Equal and DVI/HDMI input modules（10）, EDID management modules （20）, electrooptic conversion module（21）, laser emitting module（22）, the first indicating lamp module（23）, central control module（25）Electricity Connection.

3. the core fibre transmitter of a kind of DVI signals two according to claim 1, it is characterised in that：Second indicator lamp Module（27）Respectively with photoelectric conversion module（28）, laser pick-off module（26）Electrical connection, second source management module（30） With laser pick-off module（26）, the second indicating lamp module（27）, photoelectric conversion module（28）, DVI/HDMI output modules（29）Electricity Connection.

4. the core fibre transmitter of a kind of DVI signals two according to claim 1, it is characterised in that：First power supply connects Mouthful（4）, the first power supply indicator（5）, working station indicator（7）, EDID indicator lamps（8）Learn button with EDID（9）All It is integrated in front console.

5. the core fibre transmitter of a kind of DVI signals two according to claim 1, it is characterised in that：The transmitting terminal（2）With Receiving terminal（12）The material of the optical fiber of connection is 2 core LC single modes/multimode fibre.