CN207743985U - A kind of video conference protocol converter - Google Patents
A kind of video conference protocol converter Download PDFInfo
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- CN207743985U CN207743985U CN201721562554.6U CN201721562554U CN207743985U CN 207743985 U CN207743985 U CN 207743985U CN 201721562554 U CN201721562554 U CN 201721562554U CN 207743985 U CN207743985 U CN 207743985U
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- protocol converter
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Abstract
The utility model discloses a kind of video conference protocol converters, including shell and controller, the controller is set in the shell, the controller includes converter, the first level translator, microcontroller, second electrical level converter, Communication Gateway, power circuit and condition indication circuit, the microcontroller is connect with first level translator, the second electrical level transducer signal respectively, the converter is connect with first level translator by RS232 buses, and the Communication Gateway is connect with the second electrical level transducer signal；It is bi-directional symmetrical business that the utility model discloses a kind of video conferences with protocol converter, and long transmission distance, strong antijamming capability, good compatibility, rate adaptation ability are strong, it can be ensured that the most economical use bandwidth of service supplier.
Description
Technical field
The utility model is related to protocol converter field more particularly to a kind of video conference protocol converters.
Background technology
Basis of the ethernet technology as current all-network technology, has gradually changed daily life；Nowadays net
Network technology be widely applied to finance, medical treatment, education, intelligent transportation, intelligent grid, burglar alarm, remotely access etc. it is each
A field, network have incorporated in the work and daily life of people, have become indispensable one of human lives
Point.Currently, ethernet technology has started to permeate to the fields such as Metropolitan Area Network (MAN) and wide area network, there is more wide foreground.
In industrial control system, need to communicate between Computers and Communication equipment and communication equipment；Currently, absolutely mostly
Number communication equipment has special communication interface, but due to production firm's difference, communication protocol is not quite similar, therefore leads to sometimes
Letter equipment needs to complete protocol conversion by protocol converter.But protocol converter fluctuation of service in current techniques, it causes
Communicate it is unsmooth, to user cause use undesirable influence.
Utility model content
It is bi-directional symmetrical business that the utility model discloses a kind of video conferences with protocol converter, and long transmission distance resists
Interference performance is strong, good compatibility, rate adaptation ability are strong, it can be ensured that the most economical use bandwidth of service supplier.
The utility model is realized in this way a kind of video conference protocol converter, including shell and controller, it is described
Controller is set in the shell, and the controller includes converter, the first level translator, microcontroller, second electrical level turn
Parallel operation, Communication Gateway, power circuit and condition indication circuit, the microcontroller respectively with first level translator, described
Second electrical level transducer signal connects, and the converter is connect with first level translator by RS232 buses, described logical
News gateway is connect with the second electrical level transducer signal.
The converter includes protocol converter interface control module, protocol converter module, the transmitting-receiving of protocol converter frame
Control module, mac frame transmitting-receiving control module, ethernet interface module, ethernet PHY, SDRAM cachings and device panel, it is described
Protocol converter interface control module respectively with the protocol converter module, the protocol converter frame transmitting-receiving control module,
The device panel signal connection, the protocol converter module are connect with the SDRAM buffered signals, the mac frame transmitting-receiving
Control module is connect with the ethernet interface module, the SDRAM buffered signals respectively, the ethernet interface module and institute
State the connection of ethernet PHY signal.
Further, the design of the mac frame transmitting-receiving control module includes Avalon-ST interface data transmitting-receiving control module
With sdram interface Read-write Catrol module.The mac frame transmitting-receiving control module passes through the Avalon-ST interfaces and the ether
Network interface module connects.
Further, the protocol converter interface includes module interface rate control, master slave mode control, module loopback
Control and clock control, the protocol converter interface control module pass through the module interface rate control and principal and subordinate's mould
Formula control is connect with the protocol converter module by signal, and the protocol converter interface control module passes through the clock control
Control module is received and dispatched for the protocol converter frame, and parallel data send-receive clock is provided.
A kind of the advantages of video conference protocol converter provided by the utility model, is：It is carried in the utility model structure
For a kind of video conference protocol converter be bi-directional symmetrical business, long transmission distance, strong antijamming capability, good compatibility,
Rate adaptation ability is strong, it can be ensured that the most economical use bandwidth of service supplier.Various businesses demand can be met, it is such as long-range
The business such as education, video conference, construction of professional network can also solve the problems, such as the various integrated communicatons such as voice, data, video.Agreement
Converter is not only small, low in energy consumption, easy to operate, but also efficiency of transmission is high, system delay is small, stable and reliable in work.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of video conference protocol converter structural schematic diagram of the utility model；
Fig. 2 is a kind of converter system schematic diagram of video conference protocol converter of the utility model.
Specific implementation mode
It is bi-directional symmetrical business that the utility model discloses a kind of video conferences with protocol converter, and long transmission distance resists
Interference performance is strong, good compatibility, rate adaptation ability are strong, it can be ensured that the most economical use bandwidth of service supplier.
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu and detailed description, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all real
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.It please refers to Fig.1, Fig. 2, the utility model is implemented
A kind of video conference protocol converter that example provides.
As shown in Figure 1, a kind of video conference protocol converter, including shell and controller, the controller are set to
In the shell, the controller includes converter, the first level translator, microcontroller, second electrical level converter, communication network
It closes, power circuit and condition indication circuit, the microcontroller are converted with first level translator, the second electrical level respectively
Device signal connects, and the converter connect with first level translator by RS232 buses, the Communication Gateway with it is described
Second electrical level transducer signal connects.The design of the mac frame transmitting-receiving control module includes the transmitting-receiving control of Avalon-ST interface data
Molding block and sdram interface Read-write Catrol module.The mac frame transmitting-receiving control module passes through the Avalon-ST interfaces and institute
State ethernet interface module connection.
As shown in Fig. 2, the converter includes protocol converter interface control module, protocol converter module, agreement turn
Parallel operation frame receives and dispatches control module, mac frame transmitting-receiving control module, ethernet interface module, ethernet PHY, SDRAM cachings and equipment
Panel, the protocol converter interface control module are received and dispatched with the protocol converter module, the protocol converter frame respectively
Control module, device panel signal connection, the protocol converter module is connect with the SDRAM buffered signals, described
Mac frame transmitting-receiving control module is connect with the ethernet interface module, the SDRAM buffered signals respectively, and the Ethernet connects
Mouth mold block is connect with the ethernet PHY signal.The protocol converter interface includes module interface rate control, master slave mode
Control, the control of module loopback and clock control, the protocol converter interface control module pass through the module interface rate control
System and master slave mode control are connect with the protocol converter module by signal, and the protocol converter interface control module is logical
It crosses the clock control and provides parallel data send-receive clock, the protocol conversion for protocol converter frame transmitting-receiving control module
Device interface control module receives protocol converter module link state instruction simultaneously.
The soft cores of MAC inside Ethernet to protocol converter interface control module direction, ethernet interface module receive
The data that external ethernet PHY is sent, MAC soft core removal ethernet mac frame preamble codes, carry out CRC check at frame delimiter, carry
Ethernet frame is taken out, then passes through mac frame transmitting-receiving control module and the mac frame received is stored in SDRAM cachings.Protocol conversion
After device frame transmitting-receiving control module detects that storage has mac frame in SDRAM, the mac frame in SDRAM is read, then passes through agreement
After converter frame framing, parallel-serial conversion processing, packaged mac frame is sent to protocol converter by synchronous serial interface and is connect
Mouth control module, and then be transferred in protocol converter and store.
In protocol converter interface control module to Ethernet direction, the transmitting-receiving control module reception of protocol converter frame comes from
Then the protocol converter frame that module is sent passes through serioparallel exchange, after the processing of protocol converter frame frame decoding, by remote subscriber
Mac frame data are stored in SDRAM cachings.After mac frame transmitting-receiving control module detects that storage has mac frame in SDRAM, SDRAM is delayed
Mac frame in depositing is read, and is then passed through the soft core processing of MAC inside ethernet interface module, is completed CRC check, addition mac frame
It delimits, lead code, the mac frame of standard is finally sent to ethernet PHY.
Signal connection includes wired connection, is wirelessly connected；Wired connection includes broadband connection, optical fiber connection；It is wirelessly connected
Including WIFI connections, radio connection.
In conclusion a kind of video conference provided in the utility model structure is bi-directional symmetrical industry with protocol converter
Business, long transmission distance, strong antijamming capability, good compatibility, rate adaptation ability are strong, it can be ensured that service supplier is most economical
Use bandwidth.Various businesses demand, such as long-distance education, video conference, construction of professional network business can be met, language can also be solved
The various integrated communicaton problems such as sound, data, video.Protocol converter is not only small, low in energy consumption, easy to operate, but also transmits
It is efficient, system delay is small, stable and reliable in work.
A kind of video conference provided by the utility model is described in detail with protocol converter above, for this
The those skilled in the art in field can in specific embodiments and applications based on the idea of the embodiment of the present invention
There is change place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (4)
1. a kind of video conference protocol converter, which is characterized in that including shell and controller, the controller is set to institute
State in shell, the controller include converter, the first level translator, microcontroller, second electrical level converter, Communication Gateway,
Power circuit and condition indication circuit, the microcontroller respectively with first level translator, the second electrical level converter
Signal connects, and the converter connect with first level translator by RS232 buses, the Communication Gateway and described the
Two level translator signals connect；
The converter includes protocol converter interface control module, protocol converter module, the transmitting-receiving control of protocol converter frame
Module, mac frame transmitting-receiving control module, ethernet interface module, ethernet PHY, SDRAM cachings and device panel, the agreement
Switching device interface control module respectively with the protocol converter module, protocol converter frame transmitting-receiving control module, described
Device panel signal connects, and the protocol converter module is connect with the SDRAM buffered signals, the mac frame transmitting-receiving control
Module is connect with the ethernet interface module, the SDRAM buffered signals respectively, the ethernet interface module with it is described with
Too net PHY signals connection.
2. video conference protocol converter according to claim 1, which is characterized in that the mac frame transmitting-receiving control mould
The design of block includes Avalon-ST interface data transmitting-receiving control module and sdram interface Read-write Catrol module.
3. video conference protocol converter according to claim 2, which is characterized in that the mac frame transmitting-receiving control mould
Block is connect by the Avalon-ST interfaces with the ethernet interface module.
4. video conference protocol converter according to claim 1, which is characterized in that the protocol converter interface packet
Include module interface rate control, master slave mode control, the control of module loopback and clock control, the protocol converter Interface Controller
Module is controlled by the module interface rate control with the master slave mode, the protocol converter module by signal connects, institute
Protocol converter interface control module is stated to provide simultaneously for protocol converter frame transmitting-receiving control module by the clock control
Row data send-receive clock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562554.6U CN207743985U (en) | 2017-11-21 | 2017-11-21 | A kind of video conference protocol converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562554.6U CN207743985U (en) | 2017-11-21 | 2017-11-21 | A kind of video conference protocol converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743985U true CN207743985U (en) | 2018-08-17 |
Family
ID=63115671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721562554.6U Expired - Fee Related CN207743985U (en) | 2017-11-21 | 2017-11-21 | A kind of video conference protocol converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207743985U (en) |
-
2017
- 2017-11-21 CN CN201721562554.6U patent/CN207743985U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20201121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |