CN206490766U - A kind of passive DVI network cable transmissions device - Google Patents
A kind of passive DVI network cable transmissions device Download PDFInfo
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- CN206490766U CN206490766U CN201720150047.5U CN201720150047U CN206490766U CN 206490766 U CN206490766 U CN 206490766U CN 201720150047 U CN201720150047 U CN 201720150047U CN 206490766 U CN206490766 U CN 206490766U
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- netting twine
- indicating lamp
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Abstract
The utility model discloses a kind of passive DVI network cable transmissions device, including transmitting terminal and receiving terminal, DVI input/output modules are electrically connected with EDID modules, the first netting twine RJ45 modules and the first indicating lamp module, and power management module and the first netting twine RJ45 modules are electrically connected with；Second netting twine RJ45 modules are electrically connected with the second indicating lamp module and balance processing module.This passive DVI network cable transmissions device, realizes the long range transmission of DVI or HDMI signals；Compact appearance is compact, easy to use, using DVI D（24+1）Standard socket, plug and play；Transmitting terminal by signal source can provide+5V power supplys by 14 pins of DVI input interfaces, and receiving terminal is powered by transmitting terminal, support video resolution to be up to 1920x1200/60Hz or 1080p HDTV；Transmitting terminal can do receiving terminal and use, two transmitting terminal pairings, can transmit farthest 10 meters of 1920x1200/60Hz resolution ratio, convenient cost-effective apart from closer and inconvenient cloth DVI lines again client's maximization.
Description
Technical field
The utility model is related to the extension technical field of HD video, especially a kind of passive DVI network cable transmissions device.
Background technology
DVI（Digital Visual Interface, digital visual interface）It is current most common high-definition digital video
One of interface, is mainly made up of four groups of TMDS data channel and one group of DDC passage.TMDS passages are four groups of high-speed differential signals,
Prevailing transmission vision signal（If HDMI, also comprising audio signal）.DDC passages are DDC, aobvious for reading
Show the EDID of equipment（Extended Display Identification Data, extending display identification data）, EDID includes
Show the important informations such as resolution ratio, the audio of display.When source equipment reads the EDID of display device by DDC passages,
Just use TMDS passages by audio video transmission to display end.DVI and HDMI due to transmission be all no compression high-definition video signal,
Its bandwidth is very high, high bandwidth can perfect high definition display effect, but greatly limit the transmission distance of signal again simultaneously
From, it is however generally that, it can only transmit 7 meters or so using common cable.In order to realize the long-distance transmissions of DVI signals, save again
About cost, mostly extends scheme using TMDS currently on the market and DVI signals is realized into long-distance transmissions by netting twine.
Utility model content
The purpose of this utility model is to provide a kind of passive DVI network cable transmissions device, with small volume, can be directly connected to
DVI signal sources or display device, transmitting terminal by signal source can provide+5V power supplys, receiving terminal by 14 pins of DVI input interfaces
It can be powered, be used in addition, transmitting terminal can do receiving terminal by transmitting terminal, maximized cost-effective to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：A kind of passive DVI network cable transmissions device, including
Transmitting terminal and receiving terminal, the transmitting terminal and receiving terminal are electrically connected with by eight core netting twines, and transmitting terminal is by DVI input/output moulds
Block, EDID modules, the first netting twine RJ45 modules, the first indicating lamp module and power management module composition；The receiving terminal is by
Two netting twine RJ45 modules, balance processing module, DVI output modules and the second indicating lamp module composition；The DVI input/output
Module uses DVI-D24+1 standard sockets, and EDID modules use 24LC02BI chips, and the first netting twine RJ45 modules are by TMDS passages
Data, signal source and external power adapter composition, the first indicating lamp module use circuit for detecting；The DVI input/output mould
Block is electrically connected with EDID modules, the first netting twine RJ45 modules and the first indicating lamp module, power management module and the first netting twine
RJ45 modules are electrically connected with；The DVI output modules use DVI-D24+1 standard sockets, and balance processing module is used
MAX3815A chips, the second indicating lamp module uses circuit for detecting；The second netting twine RJ45 modules and the second indicating lamp module
It is electrically connected with balance processing module.
It is used as further program of the utility model：The TMDS channel datas include TMDS data 0 ±, TMDS data 1
±, ± and TMDS the clocks of TMDS data 2 ±.
It is used as further program of the utility model：The receiving terminal is powered by the 5V power supplys of transmitting terminal.
It is used as further program of the utility model：The transmitting terminal is by 14 pins of DVI input interfaces by signal source
Offer+5V power supplys.
Compared with prior art, the utility model beneficial effect：
This passive DVI network cable transmissions device, realizes the long range transmission of DVI or HDMI signals, farthest 40 meters of transmission；Profile is tight
Gather compact, easy to use, the DVI connectors of transmitting terminal and receiving terminal use DVI-D（24+1）Standard socket, plug and play；
Powered without external adapter, transmitting terminal by signal source can provide+5V power supplys, receiving terminal by 14 pins of DVI input interfaces
Powered by transmitting terminal, support video resolution to be up to 1920x1200/60Hz or 1080p HDTV；Transmitting terminal can connect
Receiving end is used, because transmitting terminal does not have balancing chip cost relatively low, two transmitting terminal pairings, can transmit 1920x1200/60Hz points
Farthest 10 meters of resolution, it is convenient cost-effective apart from closer and inconvenient cloth DVI lines again client's maximization.
Brief description of the drawings
Fig. 1 is integrated circuit connection figure of the present utility model；
Fig. 2 is the mode of operation of transmitting terminal of the present utility model；
Fig. 3 is the mode of operation of receiving terminal of the present utility model.
In figure：1- transmitting terminals；11-DVI input/output modules；12-EDID modules；13- the first netting twine RJ45 modules；
131-TMDS channel datas；132- signal sources；133- external power adapters；The indicating lamp modules of 14- first；15- power managements
Module；2- receiving terminals；21- the second netting twine RJ45 modules；22- balance processing modules；23-DVI output modules；24- second is indicated
Lamp module.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1-3, the utility model embodiment, a kind of passive DVI network cable transmissions device, including transmitting terminal 1 and connect
Receiving end 2, transmitting terminal 1 and receiving terminal 2 are electrically connected with by eight core netting twines, and transmitting terminal 1 is by DVI input/output modules 11, EDID moulds
Block 12, the first netting twine RJ45 modules 13, the first indicating lamp module 14 and power management module 15 are constituted；Receiving terminal 2 is by the second net
Line RJ45 modules 21, balance processing module 22, the indicating lamp module 24 of DVI output modules 23 and second are constituted；DVI input/output
Module 11 uses DVI-D24+1 standard sockets, can be directly connected to the source equipment of DVI interface, or revolve round the sun DVI mothers' by HDMI
Patchcord, connects the source equipment of HDMI, and EDID modules 12 use 24LC02BI chips, and the EDID data of storage are supported
800X600 to 1920X1200 various resolution ratio, and EDID data of the HDMI containing audio can be stored for client to transmit HDMI letters
Number, the first netting twine RJ45 modules 13 are made up of TMDS channel datas 131, signal source 132 and external power adapter 133, transmitting
End 1 by signal source 132 can provide+5V power supplys by 14 pins of DVI input interfaces, when signal source 132 does not have the output of+5V power supplys
When, transmitting terminal 1 can be powered by outside 5V power supply adaptors 133, TMDS channel datas 131 include TMDS data 0 ±, TMDS
Data 1 ±, ± and TMDS clocks of TMDS data 2 ±, the 5V power supplys of signal source 132 or external power adapter 133 are divided into 4 groups,
Wherein 5V power supplys and TMDS clocks ± shared 2 core netting twines, can thus pass through a 8 core netting twines and extend DVI signals, first refers to
Show that lamp module 14 uses circuit for detecting, the first indicating lamp module 14 is working station indicator, and power supply or signal can be indicated in real time
The working condition of source 132；DVI input/output modules 11 and EDID modules 12, the first netting twine RJ45 modules 13 and the first indicator lamp mould
Block 14 is electrically connected with, and the netting twine RJ45 modules 13 of power management module 15 and first are electrically connected with, in addition, transmitting terminal 1 can be received
End 2 is used, and because transmitting terminal 1 is relatively low without balancing chip cost, two transmitting terminals 1 are matched, and can transmit 1920x1200/60Hz
Farthest 10 meters of resolution ratio, it is convenient cost-effective apart from closer and inconvenient cloth DVI lines again client's maximization；Receiving terminal 2 leads to
The 5V power supplys for crossing transmitting terminal 1 are powered, and DVI output modules 23 use DVI-D24+1 standard sockets, can be directly connected to DVI interface
Display device, or by patchcord female HDMI revolution DVI, the display device of HDMI is connected, balance processing module 22 is adopted
MAX3815A chips are used, the second indicating lamp module 24 uses circuit for detecting, and the second 24 pieces of indicator lamp mould has power supply indicator and company
Logical status indicator lamp, can live signal source 132 and netting twine connection status；Second netting twine RJ45 modules 21 and the second indicating lamp module
24 and balance processing module 22 be electrically connected with, normal work after the 5V power supplys that receiving terminal 2 is transmitted by transmitting terminal 1 are powered will connect
The four groups of TMDS channel datas 131 received, are handled by MAX3815A chip equalizations, so that it may recovered original signal, and caused
The DVI signals of 1920x1200/60Hz resolution ratio can farthest transmit 40 meters by single netting twine.
In summary；This passive DVI network cable transmissions device, realizes the long range transmission of DVI or HDMI signals, farthest transmits 40
Rice；Compact appearance is compact, easy to use, and the DVI connectors of transmitting terminal 1 and receiving terminal 2 use DVI-D（24+1）Standard is inserted
Mouthful, plug and play；133 are powered without external adapter, and transmitting terminal 1 can be by 14 pins of DVI input interfaces by signal source 132
Offer+5V power supplys, receiving terminal 2 is powered by transmitting terminal 1, supports video resolution to be up to 1920x1200/60Hz's or 1080p
HDTV；Transmitting terminal 1 can do receiving terminal 2 and use, and because transmitting terminal 1 is relatively low without balancing chip cost, two transmitting terminals 1 are matched somebody with somebody
It is right, farthest 10 meters of 1920x1200/60Hz resolution ratio can be transmitted, conveniently apart from closer and inconvenient cloth DVI lines again client most
Change greatly cost-effective.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, 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 solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of passive DVI network cable transmissions device, including transmitting terminal（1）And receiving terminal（2）, it is characterised in that：The transmitting terminal（1）
And receiving terminal（2）It is electrically connected with by eight core netting twines, transmitting terminal（1）By DVI input/output modules（11）, EDID modules（12）、
First netting twine RJ45 modules（13）, the first indicating lamp module（14）And power management module（15）Composition；The receiving terminal（2）By
Second netting twine RJ45 modules（21）, balance processing module（22）, DVI output modules（23）With the second indicating lamp module（24）Group
Into；The DVI input/output modules（11）Using DVI-D（24+1）Standard socket, EDID modules（12）Using 24LC02BI cores
Piece, the first netting twine RJ45 modules（13）By TMDS channel datas（131）, signal source（132）And external power adapter（133）Group
Into the first indicating lamp module（14）Using circuit for detecting；The DVI input/output modules（11）With EDID modules（12）, first
Netting twine RJ45 modules（13）With the first indicating lamp module（14）It is electrically connected with, power management module（15）With the first netting twine RJ45 moulds
Block（13）It is electrically connected with；The DVI output modules（23）Using DVI-D（24+1）Standard socket, balance processing module（22）Adopt
Use MAX3815A chips, the second indicating lamp module（24）Using circuit for detecting；The second netting twine RJ45 modules（21）With second
Indicating lamp module（24）And balance processing module（22）It is electrically connected with.
2. a kind of passive DVI network cable transmissions device according to claim 1, it is characterised in that：The TMDS channel datas
（131）Including TMDS data 0 ±, TMDS data 1 ±, ± and TMDS clocks of TMDS data 2 ±.
3. a kind of passive DVI network cable transmissions device according to claim 1, it is characterised in that：The receiving terminal（2）Pass through hair
Penetrate end（1）5V power supplys power.
4. a kind of passive DVI network cable transmissions device according to claim 1, it is characterised in that：The transmitting terminal（1）Pass through
14 pins of DVI input interfaces are by signal source（132）Offer+5V power supplys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150047.5U CN206490766U (en) | 2017-02-20 | 2017-02-20 | A kind of passive DVI network cable transmissions device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150047.5U CN206490766U (en) | 2017-02-20 | 2017-02-20 | A kind of passive DVI network cable transmissions device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206490766U true CN206490766U (en) | 2017-09-12 |
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ID=59764693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720150047.5U Active CN206490766U (en) | 2017-02-20 | 2017-02-20 | A kind of passive DVI network cable transmissions device |
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| CN (1) | CN206490766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218812A (en) * | 2018-08-30 | 2019-01-15 | 广州帝特电子科技有限公司 | One kind extending equipment based on HDMI high-definition signal IP network |
-
2017
- 2017-02-20 CN CN201720150047.5U patent/CN206490766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218812A (en) * | 2018-08-30 | 2019-01-15 | 广州帝特电子科技有限公司 | One kind extending equipment based on HDMI high-definition signal IP network |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 201501 Shanghai City, Wang Wei Dong Lu Jinshan District Fengjing town No. 1528 Building 1 room 056 Patentee after: Shanghai Rui Rui Bo Photoelectric Technology Co., Ltd. Address before: Room 301, room No. 4, No. 685, No. 37, Hongkou District Field Road, Shanghai City, Shanghai Patentee before: Shanghai Rui Rui Bo Photoelectric Technology Co., Ltd. |
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| CP02 | Change in the address of a patent holder |