CN212850766U - System message management device based on combination of serial port and Ethernet - Google Patents
System message management device based on combination of serial port and Ethernet Download PDFInfo
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- CN212850766U CN212850766U CN202021809390.4U CN202021809390U CN212850766U CN 212850766 U CN212850766 U CN 212850766U CN 202021809390 U CN202021809390 U CN 202021809390U CN 212850766 U CN212850766 U CN 212850766U
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Abstract
The utility model discloses a system message management device based on combination of serial ports and Ethernet, which comprises a control host and at least one node device, wherein the control host is provided with at least one first HDBaseT port module, and each node device is provided with a second HDBaseT port module; the second HDBaseT port modules on the respective node devices are connected to the respective first HDBaseT port modules on the control host in a one-to-one correspondence via network cables. The system message management device uploads and downloads the system message based on a mode of combining a serial port and the Ethernet.
Description
Technical Field
The utility model relates to a system message management technique especially relates to a system message management device based on serial ports and ethernet combine together.
Background
In the audio and video demonstration switching system, system information is transmitted between a control host and each node device through a serial port bus. In recent years, with the increase of product functions, the information amount of system messages is larger and larger, because the communication mode of a serial bus is single thread, node round robin and system data queuing waiting, the access mode of data is passive query, when node equipment is excessive, the problems of long round robin time, low speed, poor real-time performance of data acquisition and the like can occur, the system message management scheme based on the serial bus is greatly restricted by the size, the communication rate, the distance and the like of a data packet, and the larger the data packet is, the longer the distance is, the lower the communication rate is, and the larger the limitation is.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a system message management device carries out uploading and downloading of system messages based on the mode that serial ports and Ethernet combined together.
The utility model discloses the technical problem that will solve realizes through following technical scheme:
a system message management device based on combination of serial ports and Ethernet comprises a control host and at least one node device, wherein the control host is provided with at least one first HDBaseT port module, and each node device is provided with a second HDBaseT port module; the second HDBaseT port modules on the respective node devices are connected to the respective first HDBaseT port modules on the control host in a one-to-one correspondence via network cables.
Further, the control host further includes a first main control chip that controls and connects each of the first HDBaseT port modules.
Further, each node device further includes a second main control chip that controls and connects the second HDBaseT port module.
Furthermore, at least one node device is a transmitting device, at least one node device is a receiving device, and each transmitting device is in communication connection with each receiving device.
Further, on the control host, at least one first HDBaseT port module is an HDBaseT IN port module for connecting with a second HDBaseT port module on a corresponding transmitting device, and at least one first HDBaseT port module is an HDBaseT OUT port module for connecting with a second HDBaseT port module on a corresponding receiving device.
Further, each transmitting device further includes a third HDBaseT port module, and each receiving device further includes a fourth HDBaseT port module.
Further, the third HDBaseT port module of each transmitting device and the fourth HDBaseT port module of each receiving device are connected to the switch through network lines.
Further, when the number of the transmitting device and the receiving device is one, the third HDBaseT port module of the transmitting device and the fourth HDBaseT port module of the receiving device are directly connected through a network cable.
Furthermore, the transmitting device is an audio and video transmitting device and comprises an audio and video input port module; the receiving device is an audio and video receiving device and comprises an audio and video output port module.
Further, the audio and video transmitting device further comprises an audio and video coding chip, and the audio and video coding chip is connected between the third HDBaseT port module and the audio and video input port module; the audio and video receiving device further comprises an audio and video decoding chip connected between the fourth HDBaseT port module and the audio and video output port module.
The utility model discloses following beneficial effect has: the system message management device transmits system messages by adopting an HDBaseT technology, serial port signals and Ethernet signals can be simultaneously transmitted between the control host and each node device through a network cable respectively, uploading and downloading of the system messages are carried out based on a mode of combining the serial port with the Ethernet, and the system message management device is larger in data transmission quantity, farther in transmission distance and higher in transmission speed.
Drawings
Fig. 1 is a schematic diagram of a system message management apparatus provided by the present invention;
fig. 2 is another schematic diagram of the system message management apparatus provided by the present invention;
fig. 3 is a schematic diagram of the audio and video transmitting device provided by the present invention;
fig. 4 is a schematic diagram of the audio and video receiving device provided by the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a system message management apparatus based on a combination of a serial port and an ethernet network includes a control host and at least one node device, where the control host has at least one first HDBaseT port module, and each node device has a second HDBaseT port module; the second HDBaseT port modules on the respective node devices are connected to the respective first HDBaseT port modules on the control host in a one-to-one correspondence via network cables.
The system message management device transmits system messages by adopting an HDBaseT technology, serial port signals and Ethernet signals can be simultaneously transmitted between the control host and each node device through a network cable respectively, uploading and downloading of the system messages are carried out based on a mode of combining the serial port with the Ethernet, and the system message management device is larger in data transmission quantity, farther in transmission distance and higher in transmission speed.
When the control host and each node device are started or hot-plugged in use, serial port signals are transmitted between the control host and each node device through a network cable for verification so as to determine the information of each node device in the same system, and the process includes but is not limited to the steps that the control host acquires the software version, the device attribute and the like of each node device, and the control host box configures an IP address to each node device; after the control host and each node device are verified through serial port signals and defined as the same system, a local area network is automatically established between the control host and each node device to transmit Ethernet signals through a network cable to upload and download system messages, the local area network adopts an L2 protocol under an IEEE 802.3 framework, all the system messages use an 802.1Q VLAN standard and should contain VID values of 0x 03.
When the system message management device is applied to an audio/video transmission system, the system messages transmitted between the control host and each node device through the ethernet signals include, but are not limited to, system configuration information, and real-time audio/video status messages and audio/video configuration messages of the system, such as hash, active, fieldrate, colorprofile, colorspace, Colorimetry, ext _ Colorimetry, vic, pixellock, hfreq and the like of input/output videos, audio type, sampleFreq, wordLength, channelCount and the like of input/output videos, TestPattern of output Scaler, manualscalermaMODEType, Osd, horizontalShift, Verticalshift, Zoom, jeze and the like.
Of course, when the system message management apparatus is applied to different systems, the system messages transmitted by ethernet signals between the control host and each node device are different, which is not an example here.
The control host further comprises a first main control chip, wherein the first main control chip is connected with each first HDBaseT port module in a control mode; each node device further includes a second main control chip that controls connection with the second HDBaseT port module.
As shown in fig. 2, when the system message management apparatus is applied to a transmission system, at least one node device is a transmitting device, at least one node device is a receiving device, and each transmitting device is in communication connection with each receiving device; on the control host, at least one first HDBaseT port module is an HDBaseT IN port module for connecting with a second HDBaseT port module on a corresponding transmitting device, and at least one first HDBaseT port module is an HDBaseT OUT port module for connecting with a second HDBaseT port module on a corresponding receiving device.
In the transmission system, each transmitting device transmits a received source signal to a corresponding receiving device, and the source signal is preferably transmitted between each transmitting device and each receiving device also using the HDBaseT technology.
At this time, as shown in fig. 3 and 4, each transmitting device further includes a third HDBaseT port module, and each receiving device further includes a fourth HDBaseT port module; the third HDBaseT port module of each transmitting device and the fourth HDBaseT port module of each receiving device are both connected to the switch through a network cable; and when the number of the transmitting device and the receiving device is one, the third HDBaseT port module of the transmitting device and the fourth HDBaseT port module of the receiving device are preferably directly connected through a network cable.
When the system message management device is applied to an audio and video transmission system, the source signal is an audio and video signal, the transmitting equipment is audio and video transmitting equipment and comprises an audio and video coding chip and an audio and video input port module, and the audio and video coding chip is connected between the third HDBaseT port module and the audio and video input port module; the receiving device is an audio/video receiving device and comprises an audio/video decoding chip and an audio/video output port module, wherein the audio/video decoding chip is connected between the fourth HDBaseT port module and the audio/video output port module.
Each audio and video transmitting device receives audio and video signals from the corresponding source device through an audio and video input port module of the audio and video transmitting device, encodes the received audio and video signals and then transmits the encoded audio and video signals to the corresponding audio and video receiving device; each audio and video receiving device receives audio and video signals from the corresponding audio and video transmitting device, and then decodes the received audio and video signals and outputs the decoded audio and video signals to the corresponding playing device through the audio and video output port module of the audio and video receiving device for playing.
In this embodiment, the audio/video input port module includes an HDMI input port, and the audio/video output port module includes an HDMI output port.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but the invention can not be understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by adopting the equivalent substitution or equivalent transformation should fall within the protection scope of the present invention.
Claims (10)
1. A system message management device based on the combination of serial port and Ethernet, including control host and at least a node equipment, wherein, the said control host has at least a first HDBaseT port module, every node equipment has second HDBaseT port module; the second HDBaseT port modules on the respective node devices are connected to the respective first HDBaseT port modules on the control host in a one-to-one correspondence via network cables.
2. The combined serial and ethernet-based system message management device according to claim 1, wherein the control host further comprises a first main control chip, and the first main control chip controls and connects each first HDBaseT port module.
3. The system message management device based on the combination of the serial port and the ethernet according to claim 1 or 2, wherein each node device further includes a second main control chip, and the second main control chip controls and connects to the second HDBaseT port module.
4. The system message management device based on the combination of the serial port and the ethernet according to claim 1, wherein at least one node device is a transmitting device, at least one node device is a receiving device, and each transmitting device is in communication connection with each receiving device.
5. The serial port and ethernet combined system message management device of claim 4, wherein, on the control host, at least one first HDBaseT port module is an HDBaseT IN port module for connecting with a second HDBaseT port module on a corresponding transmitting device, and at least one first HDBaseT port module is an HDBaseT OUT port module for connecting with a second HDBaseT port module on a corresponding receiving device.
6. The serial-port and ethernet combined system message management apparatus as claimed in claim 4, wherein each transmitting device further includes a third HDBaseT port module, and each receiving device further includes a fourth HDBaseT port module.
7. The serial port and ethernet combined system message management apparatus of claim 6, wherein the third HDBaseT port module of each transmitting device and the fourth HDBaseT port module of each receiving device are connected to the switch through a network cable.
8. The serial port and ethernet combined system message management apparatus of claim 6, wherein when the number of the transmitting device and the receiving device is one, the third HDBaseT port module of the transmitting device and the fourth HDBaseT port module of the receiving device are directly connected through a network cable.
9. The system message management device based on the combination of the serial port and the Ethernet according to claim 4, wherein the transmitting device is an audio/video transmitting device, and comprises an audio/video input port module; the receiving device is an audio and video receiving device and comprises an audio and video output port module.
10. The serial port and ethernet combined system message management apparatus of claim 9, wherein each transmitting device further comprises a third HDBaseT port module, and each receiving device further comprises a fourth HDBaseT port module; the audio and video transmitting equipment also comprises an audio and video coding chip which is connected between the third HDBaseT port module and the audio and video input port module; the audio and video receiving device further comprises an audio and video decoding chip connected between the fourth HDBaseT port module and the audio and video output port module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021809390.4U CN212850766U (en) | 2020-08-26 | 2020-08-26 | System message management device based on combination of serial port and Ethernet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021809390.4U CN212850766U (en) | 2020-08-26 | 2020-08-26 | System message management device based on combination of serial port and Ethernet |
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| CN212850766U true CN212850766U (en) | 2021-03-30 |
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Address after: 3-4 / F, building 16, Hejing Industrial Zone, No.87 Hexiu West Road, Heping community, Fuhai street, Bao'an District, Shenzhen, Guangdong 518100 Patentee after: Shenzhen Bachao Technology Co.,Ltd. Address before: 3-4 / F, building 16, Hejing Industrial Zone, No.87 Hexiu West Road, Heping community, Fuhai street, Bao'an District, Shenzhen, Guangdong 518100 Patentee before: SHENZHEN BACHAO TECHNOLOGY Co.,Ltd. |
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Address after: 518103 301-401, building 16, Hejing Industrial Zone, No. 87, Hexiu West Road, Zhancheng community, Fuhai street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Shenzhen Bachao Technology Co.,Ltd. Address before: 3-4 / F, building 16, Hejing Industrial Zone, No.87 Hexiu West Road, Heping community, Fuhai street, Bao'an District, Shenzhen, Guangdong 518100 Patentee before: Shenzhen Bachao Technology Co.,Ltd. |