CN107124584B - Method and system for transmitting data based on video transmission network - Google Patents
Method and system for transmitting data based on video transmission network Download PDFInfo
- Publication number
- CN107124584B CN107124584B CN201710278394.0A CN201710278394A CN107124584B CN 107124584 B CN107124584 B CN 107124584B CN 201710278394 A CN201710278394 A CN 201710278394A CN 107124584 B CN107124584 B CN 107124584B
- Authority
- CN
- China
- Prior art keywords
- server
- video
- matrix
- monitoring equipment
- network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a system and a method for transmitting data based on a video transmission network, which connect video equipment in the existing video transmission network with optical fibers through an RS-485 interface, collect optical transceivers in a group mode, simultaneously connect monitoring equipment into the optical transceivers, transmit data to a matrix server by the optical transceivers, and interact with the video equipment or the monitoring equipment through the matrix server by a control center. The invention fully utilizes the existing video monitoring network infrastructure to realize the transmission of the data acquired by the special monitoring equipment based on the video transmission network, thereby reducing the construction cost of the network infrastructure.
Description
Technical Field
The invention relates to a method and a system for transmitting data based on a video transmission network.
Background
With the rapid development of the informatization construction process of China, the network connection is transited from machine interconnection to object interconnection and then to an intelligent society. The internet of things derived in the process is an important component of a new-generation information technology and is also an important development stage of the 'informatization' era.
One important link for realizing the intelligent society is the mass arrangement of monitoring and sensing equipment, and the ambitious blueprint of the intelligent society can be realized only by arranging the equipment for data acquisition, summarization and analysis and adding an intelligent learning algorithm. However, a large number of device deployments require a sophisticated network infrastructure to afford the responsibility of data transmission. However, the cost of network infrastructure construction is high, the construction period is long, and the progress of the Internet of things is greatly delayed.
Meanwhile, the data transmission of the existing monitoring equipment has the following problems:
(1) the current data transmission mode is based on INTERNET network transmission, and the data transmission protocol is carried in a standard TCP/IP network protocol. And the cost for building the TCP/IP network is high, and the construction period is long.
(2) The standard TCP/IP network transmission adopts five or six standard network cables for wiring, the transmission distance and the transmission speed are limited, and the borne data volume is also limited.
Disclosure of Invention
The invention provides a method and a system for transmitting data based on a video transmission network, which aim to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a system based on video transmission network data transmission is characterized in that video equipment in the existing video transmission network is connected with optical fibers through RS-485 interfaces, optical transceivers are gathered in a group mode, monitoring equipment is connected into the optical transceivers at the same time, the optical transceivers transmit data to a matrix server, and a control center interacts with the video equipment or the monitoring equipment through the matrix server.
Furthermore, an RS-485 interface is added to the monitoring equipment to realize video network infrastructure sharing.
Furthermore, the request instruction and the response instruction are redefined, so that the interactive protocol format of the matrix server and the video equipment is adaptive.
Further, a protocol analysis program is arranged in the monitoring equipment to communicate with the matrix server for instruction interaction and data transmission.
Further, the control center is provided with a video server, a control machine and a video display machine.
Furthermore, the control center is also provided with a receiving server, and the receiving server is connected to the matrix server through an internet network, interacts with the matrix server and transmits data.
Further, the receiving server is configured to communicate directly with the matrix service using the TCP/IP protocol.
Further, the receiving server is configured to package an RS-485 protocol into a TCP/IP protocol to perform request and response with the matrix server, and a timing mechanism is adopted to transmit the request at regular time to request the data acquired by the monitoring device, and meanwhile, the receiving server is used as a time server to provide time synchronization service for all the monitoring devices and temporarily store the data transmitted by the monitoring devices.
A method based on video transmission network transmission data, the video equipment connects the optic fibre through RS-485 interface, then collect the optical transmitter and receiver in a way of group, transmit the data to the matrix server by the optical transmitter and receiver, the receiving server realizes the interaction of the information with the video equipment through the matrix server; adding an RS-485 interface to the monitoring equipment, and connecting the monitoring equipment to a video network formed by all video equipment;
according to the requirement of the video matrix, a corresponding interactive protocol is formulated, an adaptive protocol analysis program is arranged in the monitoring equipment, and the matrix server is used as a transfer station for communication between the receiving server and the monitoring equipment, so that the shared video network facility is used for transmitting data.
The interactive protocol comprises a request instruction and a response instruction, wherein the request instruction is provided with a parity check bit, a stop bit, a priority, 85 data receiving timeout time and an extension bit, and the response instruction is matched with the request instruction.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a scheme for transmitting data by sharing video network facilities for a large amount of monitoring equipment, acquisition equipment, sensing equipment and the like, thereby greatly reducing the construction cost of an infrastructure network; a convenient channel is provided for the rapid development of the Internet of things;
(2) the video network constructed by the invention adopts the optical fiber to construct the network, and the main efficiency is also improved for links such as data transmission distance, transmission speed, transmission quantity and the like by sharing the optical fiber network.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a video transmission network topology of the present invention;
fig. 2 is a data flow diagram of the present invention.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Interpretation of professional terms:
RS-485 interface: the RS-485 bus is widely adopted in the RS-485 serial bus standard when the communication distance is required to be dozens of meters to thousands of meters. RS-485 adopts balanced transmission and differential reception, so that the capability of suppressing common mode interference is realized.
TCP/IP (Transmission Control Protocol/Internet Protocol): the transmission control protocol/Internet protocol is a standard network protocol used by the Internet.
As described in the background art, there is a current data transmission method in the prior art based on INTERNET network transmission, and the data transmission protocol is carried by a standard TCP/IP network protocol. The method and the system for transmitting data based on the video transmission network are provided to solve the technical problems that the cost for building the TCP/IP network is high, the building period is long, the standard TCP/IP network transmission adopts five or six standard network cables for wiring, the transmission distance and the transmission speed are limited, and the borne data volume is limited.
The invention aims to fully utilize the existing video monitoring network infrastructure to realize the transmission of data acquired by special monitoring equipment based on a video transmission network, thereby reducing the construction cost of the network infrastructure.
In a typical embodiment of the present application, as shown in fig. 1, a video transmission network topology is that video devices are connected to optical fibers through RS-485 interfaces, optical transceivers are collected in groups, and then the optical transceivers transmit data to a matrix server, and a background video server, a control machine, and a video display all interact with the video devices through the matrix server.
In order to meet the requirement of sharing a video transmission network for transmission, the specific scheme of the invention is as follows:
firstly, an RS-485 interface is added to the monitoring equipment.
Because the video network adopts optical fiber transmission and the optical fiber connection interface adopts RS-485 interface for connection, the video network needs to be consistent with the video network facility interface in order to share the video network infrastructure.
And secondly, establishing an interaction protocol according to the requirement of the video matrix.
And formulating a private data transmission interaction protocol according to the protocol format of the interaction between the matrix and the camera, so as to realize the interaction between the monitoring equipment and the matrix and data transmission. The protocol is divided into: request instruction and response instruction. The details are shown in the following table:
a request instruction:
and responding to the instruction:
and thirdly, a protocol analysis program is arranged in the monitoring equipment.
An RS-485 serial port analysis program is embedded in the equipment, network connection is realized by using a C language SOCKET interface, and the program is mainly communicated with the matrix server to perform instruction interaction and data transmission. And analyzing the transmission instruction according to the protocol content of the second step to realize the functions of time synchronization and data transmission.
And fourthly, deploying the instruction request and data receiving server.
In the scheme, a receiving server is also required to be provided, and the server is connected to the matrix server through an internet network and interacts with the matrix server and transmits data.
The receiving server is a network program written by JAVA, and directly communicates with the matrix service by adopting a TCP/IP protocol. The server functions mainly include:
1. packaging the RS-485 protocol into a TCP/IP protocol to request and respond to the matrix server;
2. a timing mechanism is adopted, and a request is sent at regular time and is used for requesting data collected by monitoring equipment;
3. the system is used as a time server and provides time synchronization service for all monitoring devices;
4. and temporarily storing the data sent by the monitoring equipment.
Fifth, the main flow of protocol interaction is shown in fig. 2.
1. A receiving server sends a data request instruction to a matrix server;
2. the matrix server transfers the instruction to the monitoring equipment;
3. the monitoring equipment processes a data transmission (time synchronization) task according to the instruction content;
4. the monitoring equipment transmits the data to the matrix server;
5. the matrix server forwards the instruction and the data sent by the monitoring equipment to a receiving server;
6. the receiving server receives the data and temporarily stores the data.
In conclusion, the invention provides a scheme for transmitting data by sharing video network facilities for a large amount of monitoring equipment, acquisition equipment, sensing equipment and the like, and greatly reduces the construction cost of an infrastructure network; a convenient channel is provided for the rapid development of the Internet of things.
The video network adopts an optical fiber construction network, and the optical fiber network is shared, so that the main efficiency of links such as data transmission distance, transmission speed, transmission quantity and the like is improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (9)
1. A system for transmitting data based on a video transmission network is characterized in that: connecting video equipment in an existing video transmission network with optical fibers through an RS-485 interface, summarizing optical terminals in a group mode, adding the RS-485 interface to monitoring equipment, simultaneously connecting the monitoring equipment to the optical terminals, transmitting data to a matrix server by the optical terminals, formulating an interaction protocol according to the requirement of a video matrix, and setting a protocol analysis program in the monitoring equipment to be communicated with the matrix server for instruction interaction and data transmission; the control center interacts with the video equipment or the monitoring equipment through the matrix server;
and arranging a receiving server, wherein the receiving server is connected to the matrix server through an Internet network, and interacts with the matrix server and transmits data.
2. A system for transmitting data over a video transmission network as claimed in claim 1, wherein: and an RS-485 interface is added to the monitoring equipment to realize video network infrastructure sharing.
3. A system for transmitting data over a video transmission network as claimed in claim 1, wherein: redefining the request command and the response command to enable the matrix server to be matched with the interactive protocol format of the video equipment.
4. A system for transmitting data over a video transmission network as claimed in claim 1, wherein: the control center is provided with a video server, a control machine and a video display machine.
5. A system for transmitting data over a video transmission network as claimed in claim 1, wherein: the control center is also provided with a receiving server which is connected to the matrix server through an Internet network and interacts with the matrix server and transmits data.
6. A system for transmitting data over a video transmission network as claimed in claim 1, wherein: the receiving server is configured to communicate directly with the matrix service using the TCP/IP protocol.
7. A system for transmitting data over a video transmission network as claimed in claim 1, wherein: the receiving server is configured to package an RS-485 protocol into a TCP/IP protocol to perform request and response with the matrix server, a timing mechanism is adopted to transmit the request in a timing mode to request the data collected by the monitoring equipment, and meanwhile the receiving server is used as a time server to provide time synchronization service for all the monitoring equipment and temporarily store the data transmitted by the monitoring equipment.
8. A method for transmitting data based on a video transmission network is characterized in that: a receiving server is arranged, the receiving server is connected to the matrix server through an internet network, interacts with the matrix server and transmits data, the video equipment is connected with the optical fiber through an RS-485 interface, then the optical transceiver is gathered in a group mode, the data is transmitted to the matrix server by the optical transceiver, and the receiving server realizes information interaction with the video equipment through the matrix server; adding an RS-485 interface to the monitoring equipment, and connecting the monitoring equipment to a video network formed by all video equipment; according to the requirements of a video matrix, a corresponding interaction protocol is formulated, an adaptive protocol analysis program is arranged in the monitoring equipment, the program is mainly communicated with a matrix server to perform instruction interaction and data transmission, and the matrix server is used as a transfer station for communication between a receiving server and the monitoring equipment to realize transmission of data collected by special detection equipment based on a video transmission network.
9. A method for transmitting data over a video transmission network as claimed in claim 8, characterized in that: the interactive protocol comprises a request instruction and a response instruction, wherein the request instruction is provided with a parity check bit, a stop bit, a priority, 485 data receiving timeout time and an extension bit, and the response instruction is matched with the request instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278394.0A CN107124584B (en) | 2017-04-25 | 2017-04-25 | Method and system for transmitting data based on video transmission network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278394.0A CN107124584B (en) | 2017-04-25 | 2017-04-25 | Method and system for transmitting data based on video transmission network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107124584A CN107124584A (en) | 2017-09-01 |
| CN107124584B true CN107124584B (en) | 2020-03-13 |
Family
ID=59725499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710278394.0A Active CN107124584B (en) | 2017-04-25 | 2017-04-25 | Method and system for transmitting data based on video transmission network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107124584B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261760A (en) * | 2008-04-28 | 2008-09-10 | 沈阳汇通智联电子工程设计安装有限公司 | Safety guarding information system for airport aviation area |
| CN102509428A (en) * | 2011-11-08 | 2012-06-20 | 天津长城科安电子科技有限公司 | Construction site remote real-time monitoring system |
| CN102891990A (en) * | 2012-10-18 | 2013-01-23 | 刘明学 | System and method for large-scale HD-SDI (High Definition-Serial Digital Interface) video image monitoring based on decentralized exchange method |
| CN202949512U (en) * | 2012-12-07 | 2013-05-22 | 江苏唯实信息科技股份有限公司 | A networking control system of analog video matrixes |
| CN104410835A (en) * | 2014-12-09 | 2015-03-11 | 国家电网公司 | State recognition system for transformer substation disconnecting switch device based on visual analysis |
| CN204465576U (en) * | 2015-04-01 | 2015-07-08 | 上海源和系统集成有限公司 | The on-the-spot integrated network system of YHOT |
-
2017
- 2017-04-25 CN CN201710278394.0A patent/CN107124584B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261760A (en) * | 2008-04-28 | 2008-09-10 | 沈阳汇通智联电子工程设计安装有限公司 | Safety guarding information system for airport aviation area |
| CN102509428A (en) * | 2011-11-08 | 2012-06-20 | 天津长城科安电子科技有限公司 | Construction site remote real-time monitoring system |
| CN102891990A (en) * | 2012-10-18 | 2013-01-23 | 刘明学 | System and method for large-scale HD-SDI (High Definition-Serial Digital Interface) video image monitoring based on decentralized exchange method |
| CN202949512U (en) * | 2012-12-07 | 2013-05-22 | 江苏唯实信息科技股份有限公司 | A networking control system of analog video matrixes |
| CN104410835A (en) * | 2014-12-09 | 2015-03-11 | 国家电网公司 | State recognition system for transformer substation disconnecting switch device based on visual analysis |
| CN204465576U (en) * | 2015-04-01 | 2015-07-08 | 上海源和系统集成有限公司 | The on-the-spot integrated network system of YHOT |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107124584A (en) | 2017-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10101955B2 (en) | Binding for audio/video streaming in a topology of devices | |
| CN105959288A (en) | Network protocol conversion method for power grid system and intercommunication method of power grid system | |
| CN204598011U (en) | A kind of OPC data acquisition and monitoring intelligent terminal based on TD-LTE | |
| US10609125B2 (en) | Method and system for transmitting communication data | |
| CN101719791A (en) | Optic fiber transceiver having remote monitoring function and data transmission method | |
| CN103051716A (en) | Method and system for redirecting network-oriented serial device | |
| CN113115346A (en) | Gateway multi-protocol conversion device based on 5G and method thereof | |
| CN103595598A (en) | Remote transparent transmission serial server based on fiber and control mode thereof | |
| CN111224868B (en) | Control system and control method of gateway of Internet of things | |
| CN115114202B (en) | Embedded WEB Server Based on Optical Fiber Communication Interface Expansion | |
| CN107547475A (en) | A kind of data processing equipment and its system for supporting more communication protocol conversions | |
| CN108614789A (en) | A kind of communication system and method for the serial bus with handshake mechanism | |
| CN103428050A (en) | Multipath CAN (controller area network) simulation system based on CAN bus | |
| CN104378372B (en) | The method of electronic equipment and operation electronic equipment for communicating in a network | |
| CN109328449A (en) | RTEX-EtherCAT protocol conversion apparatus and industrial control system | |
| CN107124584B (en) | Method and system for transmitting data based on video transmission network | |
| CN113328926B (en) | FC-AE-1553 and FC-AE-ASM hybrid network system | |
| CN107580042A (en) | A kind of transmission method and system of distribution network data | |
| CN102291292B (en) | Method for EPA to FFH1 protocol conversion and scheduling | |
| CN203027289U (en) | System for realizing serial communication among computer, host computer and slave computer | |
| CN106814717A (en) | A kind of method and system for simplifying engineering control system communication based on EPA | |
| CN102336355A (en) | Elevator monitoring system | |
| CN202818300U (en) | Structure for data transmission between modules inside electronic equipment and electronic equipment | |
| CN109600420A (en) | It is a kind of to realize the method and system remotely controlled online based on raspberry pie technology | |
| CN107371039A (en) | Video synthesis device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |