CN109765861A - A kind of DCS data collection system and method - Google Patents
A kind of DCS data collection system and method Download PDFInfo
- Publication number
- CN109765861A CN109765861A CN201811589612.3A CN201811589612A CN109765861A CN 109765861 A CN109765861 A CN 109765861A CN 201811589612 A CN201811589612 A CN 201811589612A CN 109765861 A CN109765861 A CN 109765861A
- Authority
- CN
- China
- Prior art keywords
- video stream
- way transmission
- video
- terminal module
- acquisition terminal
- 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.)
- Pending
Links
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the present invention provides a kind of DCS data collection system and method, the system includes video distributor and acquisition terminal module, the video distributor connects the acquisition terminal module, in which: the video distributor is sent to the acquisition terminal module for obtaining one way transmission of video stream；The acquisition terminal module obtains processing result, and the processing result is uploaded for parsing the one way transmission of video stream.A kind of DCS data collection system and method provided in an embodiment of the present invention, the source acquired using one way transmission of video stream as DCS data are analyzed by processing to video flowing, obtain the data of DCS, then by data access to internet.Not only it ensure that the physical isolation of data collection system and DCS system, but also greatly reduced the installation and deployment time of acquisition system.
Description
Technical field
The present invention relates to internet data acquisition applications field more particularly to a kind of DCS data collection systems and method.
Background technique
DCS system since the advent of the world, is widely used in every field, it application improve control precision, dispersed be
System risk.But due to most of DCS systems be it is closed, lack unified, standard open interface, it is difficult to meet enterprise's letter
The demand for development of breathization, it is therefore desirable to which corresponding interface is acquired for DCS data.
The mode of existing DCS data acquisition mainly has: by the OPC mode of OPC agreement, by MODBUS agreement
MODBUS mode, in such a way that programming apparatus specialized protocol drives.Data after acquisition are passed by wired or wireless network
It is defeated to arrive internet.
It is related to hardware modification by way of MODBUS agreement, needs the standard by increasing PLC hardware realization data single
It is limited to transmission, and by MODBUS agreement, the equipment of a main MODBUS mouthfuls of access is extremely limited.Pass through OPC agreement
Mode does not need hardware modification, but since the OPC agreement of connection OPC Server is bidirectional protocol, design of data acquisition system
Mistake or by virus influence when, OPC server can be damaged, generate serious production accident.
Summary of the invention
The embodiment of the present invention is to overcome above-mentioned technological deficiency, provides a kind of DCS data collection system and method.
In a first aspect, the embodiment of the present invention provides a kind of DCS data collection system, including video distributor and acquisition terminal
Module, the video distributor connect the acquisition terminal module, in which:
The video distributor is sent to the acquisition terminal module for obtaining one way transmission of video stream；
The acquisition terminal module obtains processing result for parsing the one way transmission of video stream, and by the processing
As a result it uploads.
Second aspect, the embodiment of the present invention provide a kind of method of DCS data collection system described in first aspect, comprising:
Obtain one way transmission of video stream；
The one way transmission of video stream is parsed, processing result is obtained；
The processing result is uploaded.
A kind of DCS data collection system and method provided in an embodiment of the present invention, using one way transmission of video stream as DCS
The source of data acquisition, is analyzed by processing to video flowing, obtains the data of DCS, then by data access to internet.Both guaranteed
The physical isolation of data collection system and DCS system, and greatly reduce the installation and deployment time of acquisition system.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of DCS data collection system provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the method based on DCS data collection system provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, is clearly and completely described the technical solution in the present invention, it is clear that described embodiment is one of the invention
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Fig. 1 is a kind of structural schematic diagram of DCS data collection system provided in an embodiment of the present invention, as shown in Figure 1, including
Video distributor 11 and acquisition terminal module 12, the video distributor 11 connect the acquisition terminal module 12, in which:
The video distributor 11 is sent to the acquisition terminal module 12 for obtaining one way transmission of video stream；
The acquisition terminal module 12 obtains processing result for parsing the one way transmission of video stream, and by the place
Result is managed to upload.
Dcs (Distributed Control System, hereinafter referred to as DCS), is relative to centralization
A kind of novel computer control system for control system.Existing DCS data acquisition modes include by OPC agreement
OPC mode, by the MODBUS mode of MODBUS agreement, in such a way that programming apparatus specialized protocol drives.Number after acquisition
According to passing through wired or wireless network transmissions to internet.OPC is standardized using C/S model as the Industrial Automation Software of object-oriented
Exploitation establish unified standard, progress automated data real-time exchange is defined between the client computer based on PC in the standard
Method.After OPC standard, driver is no longer developed by software developer, but by hardware development quotient according to hardware
Feature, by each hardware device driver and communication program be packaged into can independent operating or embedded operation data service
Device.But since the OPC agreement of connection OPC Server is bidirectional protocol, design of data acquisition system mistake or by viral shadow
When ringing, OPC server can be damaged, generate serious production accident.And it is related to by way of MODBUS agreement hard
Part transformation, needs the quasi- one-way transmission by increasing PLC hardware realization data, and limited by MODBUS agreement, a master
MODBUS mouthfuls only have access < 128 equipment.
DCS data collection system provided in an embodiment of the present invention, including video distributor 11 and acquisition terminal module 12, depending on
Frequency division orchestration 11 connects acquisition terminal module 12, and video distributor 11 obtains one way transmission of video stream by DCS system, and sends
To acquisition terminal module 12, wherein one way transmission of video stream specifically includes HDMI video stream, VGA video flowing and DVI video flowing.
Acquisition terminal module 12 obtains processing result, and processing result is uploaded for parsing one way transmission of video stream.Tool
Body, acquisition terminal module 12 carries out encoding and decoding to one way transmission of video stream, encoding and decoding image is obtained, by the encoding and decoding image
Storage obtains still image, finally carries out character recognition to still image, obtains processing result, and processing result is uploaded to mutually
Networking, data acquisition terminate.
A kind of DCS data collection system provided in an embodiment of the present invention, is adopted using one way transmission of video stream as DCS data
The source of collection is analyzed by processing to video flowing, obtains the data of DCS, then by data access to internet.Both data be ensure that
The physical isolation of acquisition system and DCS system, and greatly reduce the installation and deployment time of acquisition system.
On the basis of the above embodiments, the one way transmission of video stream specifically includes:
HDMI video stream, VGA video flowing and DVI video flowing.
The system also includes monitoring displays, and the monitoring display connects the video distributor, for showing
State one way transmission of video stream.
The acquisition terminal module is used to parse the one way transmission of video stream, obtains processing result, specifically includes:
The acquisition terminal module carries out encoding and decoding to the one way transmission of video stream, obtains encoding and decoding image；
The acquisition terminal module stores the encoding and decoding image to obtain still image；
The acquisition terminal module carries out character recognition to the still image, obtains processing result.
High-definition media interface (High Definition Multimedia Interface, hereinafter referred to as HDMI) is one
The totally digitilized video of kind and sound transmission interface, can send unpressed audio and vision signal.HDMI can be used for set-top box,
The equipment such as DVD player, personal computer, holder for TV playing, integrated amplifier, digital sound and television set.HDMI can be same
When send audio and video frequency signal, due to audio and video frequency signal use same wire rod, greatly simplify the installation of system line
Difficulty.
Video Graphics Array (Video Graphics Array, hereinafter referred to as VGA) is that is, a kind of video transmission standard, tool
Have the advantages that high resolution, display rate be fast, various colors, is widely used in color monitor field.It does not support
Audio transmission is not supported in hot plug.
Digital visual interface (Digital Visual Interface, hereinafter referred to as DVI) is based on conversion minimum differential
Signal (Transition Minimized Differential Signaling, hereinafter referred to as TMDS) technology transmits number
Signal.TMDS is encoded 8bit data (every roadbed chrominance signal in R, G, B) by minimum transition with advanced encryption algorithm
For 10bit data (including row field synchronization information, clock information, data DE, error correction etc.), after DC is balanced, believed using difference
Number transmission data, it compare preferable Electro Magnetic Compatibility with LVDS, TTL, can with low cost private cable realization grow
Distance, the digital data transmission of high quality.
One way transmission of video stream in the embodiment of the present invention specifically includes HDMI video stream, VGA video flowing and DVI video
Stream, and including monitoring display, monitoring display connects video distributor, for showing one way transmission of video stream.
Acquisition terminal module parses one way transmission of video stream, specifically, acquisition terminal module flows into one way transmission of video
Row encoding and decoding obtain encoding and decoding image, and store the encoding and decoding image to obtain still image.Finally, acquisition terminal module
Character recognition is carried out to still image, obtains processing result, and processing result is uploaded to internet.
A kind of DCS data collection system provided in an embodiment of the present invention, is adopted using one way transmission of video stream as DCS data
The source of collection is analyzed by processing to video flowing, obtains the data of DCS, then by data access to internet.Both data be ensure that
The physical isolation of acquisition system and DCS system, and greatly reduce the installation and deployment time of acquisition system.
Fig. 2 is a kind of flow diagram of the method based on DCS data collection system provided in an embodiment of the present invention, is such as schemed
Shown in 2, comprising:
Step 21, one way transmission of video stream is obtained；
Step 22, the one way transmission of video stream is parsed, processing result is obtained；
Step 23, the processing result is uploaded.
One way transmission of video stream is obtained first, wherein one way transmission of video stream specifically includes HDMI video stream, VGA video
Stream and DVI video flowing.HDMI is a kind of totally digitilized video and sound transmission interface, can send audio and video letter simultaneously
Number, since audio and video frequency signal uses same wire rod, greatly simplify the installation difficulty of system line.VGA is a kind of video
Transmission standard has many advantages, such as that high resolution, display rate be fast, various colors, has obtained widely in color monitor field
Using.It does not support hot plug, does not support audio transmission.DVI is to transmit digital signal based on TMDS technology, can use low cost
Private cable realize over long distances, the digital data transmission of high quality.
On the basis of the above embodiments, the method also includes:
Show the one way transmission of video stream.
The parsing one way transmission of video stream, obtains processing result, specifically includes:
Encoding and decoding are carried out to the one way transmission of video stream, obtain encoding and decoding image；
It stores the encoding and decoding image to obtain still image；
Character recognition is carried out to the still image, obtains processing result.
In data acquisition, real-time display one way transmission of video stream is gone back.Meanwhile one way transmission of video stream is parsed, tool
Body, encoding and decoding are carried out to one way transmission of video stream, obtain encoding and decoding image, and store the encoding and decoding image to obtain static state
Image.Finally, carrying out character recognition to still image, processing result is obtained, and processing result is uploaded to internet.
A kind of method based on DCS data collection system provided in an embodiment of the present invention is made using one way transmission of video stream
It for the source of DCS data acquisition, is analyzed by processing to video flowing, obtains the data of DCS, then by data access to internet.
Not only it ensure that the physical isolation of data collection system and DCS system, but also greatly reduced the installation and deployment time of acquisition system.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments, but without departing from of the invention
Spirit surmounts the range that the appended claims define.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, and those skilled in the art is it is understood that it still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (8)
1. a kind of DCS data collection system, which is characterized in that including video distributor and acquisition terminal module, the video point
Orchestration connects the acquisition terminal module, in which:
The video distributor is sent to the acquisition terminal module for obtaining one way transmission of video stream；
The acquisition terminal module obtains processing result for parsing the one way transmission of video stream, and by the processing result
It uploads.
2. system according to claim 1, which is characterized in that the one way transmission of video stream specifically includes:
HDMI video stream, VGA video flowing and DVI video flowing.
3. system according to claim 2, which is characterized in that the system also includes monitoring display, the monitoring is aobvious
Show that device connects the video distributor, for showing the one way transmission of video stream.
4. system according to claim 3, which is characterized in that the acquisition terminal module is for parsing the one-way transmission
Video flowing obtains processing result, specifically includes:
The acquisition terminal module carries out encoding and decoding to the one way transmission of video stream, obtains encoding and decoding image；
The acquisition terminal module stores the encoding and decoding image to obtain still image；
The acquisition terminal module carries out character recognition to the still image, obtains processing result.
5. a kind of method based on any one of the claim 1-4 DCS data collection system characterized by comprising
Obtain one way transmission of video stream；
The one way transmission of video stream is parsed, processing result is obtained；
The processing result is uploaded.
6. according to the method described in claim 5, it is characterized in that, the one way transmission of video stream specifically includes:
HDMI video stream, VGA video flowing and DVI video flowing.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
Show the one way transmission of video stream.
8. the method according to the description of claim 7 is characterized in that the parsing one way transmission of video stream, is handled
As a result, specifically including:
Encoding and decoding are carried out to the one way transmission of video stream, obtain encoding and decoding image；
It stores the encoding and decoding image to obtain still image；
Character recognition is carried out to the still image, obtains processing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589612.3A CN109765861A (en) | 2018-12-25 | 2018-12-25 | A kind of DCS data collection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589612.3A CN109765861A (en) | 2018-12-25 | 2018-12-25 | A kind of DCS data collection system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109765861A true CN109765861A (en) | 2019-05-17 |
Family
ID=66450454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811589612.3A Pending CN109765861A (en) | 2018-12-25 | 2018-12-25 | A kind of DCS data collection system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109765861A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193529A (en) * | 2010-03-09 | 2011-09-21 | 袁亚军 | Remote terminal unit with function of image capture |
| CN103809483A (en) * | 2012-11-07 | 2014-05-21 | 牛玉琴 | Data acquisition system |
| CN205028123U (en) * | 2015-06-14 | 2016-02-10 | 上海云物信息技术有限公司 | Non -contact intrusion detection system of SCADA system |
| CN105530456A (en) * | 2014-09-28 | 2016-04-27 | 深圳中兴力维技术有限公司 | Method, device and system for substation monitoring |
| CN107168294A (en) * | 2017-06-26 | 2017-09-15 | 西安热工研究院有限公司 | A kind of unmanned inspection monitoring method of thermoelectricity water system equipment |
| CN107786850A (en) * | 2017-11-02 | 2018-03-09 | 上海达实联欣科技发展有限公司 | A kind of master control room intelligent monitor system and method |
| CN108200102A (en) * | 2018-03-15 | 2018-06-22 | 贵州电网有限责任公司 | A kind of data safety based on screen character identification obtains system |
| CN108597052A (en) * | 2018-04-24 | 2018-09-28 | 合肥市艾特米信息技术有限公司 | Instrument automatic inspection device |
| CN108764234A (en) * | 2018-05-10 | 2018-11-06 | 浙江理工大学 | A kind of liquid level instrument Recognition of Reading method based on crusing robot |
| CN208224751U (en) * | 2018-05-28 | 2018-12-11 | 中国电力工程顾问集团华东电力设计院有限公司 | Intelligent substation system based on instrument long-distance reading data |
| CN109002018A (en) * | 2018-07-17 | 2018-12-14 | 许雄轩 | The safe acquisition system of industrial control data and acquisition method based on image recognition |
-
2018
- 2018-12-25 CN CN201811589612.3A patent/CN109765861A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193529A (en) * | 2010-03-09 | 2011-09-21 | 袁亚军 | Remote terminal unit with function of image capture |
| CN103809483A (en) * | 2012-11-07 | 2014-05-21 | 牛玉琴 | Data acquisition system |
| CN105530456A (en) * | 2014-09-28 | 2016-04-27 | 深圳中兴力维技术有限公司 | Method, device and system for substation monitoring |
| CN205028123U (en) * | 2015-06-14 | 2016-02-10 | 上海云物信息技术有限公司 | Non -contact intrusion detection system of SCADA system |
| CN107168294A (en) * | 2017-06-26 | 2017-09-15 | 西安热工研究院有限公司 | A kind of unmanned inspection monitoring method of thermoelectricity water system equipment |
| CN107786850A (en) * | 2017-11-02 | 2018-03-09 | 上海达实联欣科技发展有限公司 | A kind of master control room intelligent monitor system and method |
| CN108200102A (en) * | 2018-03-15 | 2018-06-22 | 贵州电网有限责任公司 | A kind of data safety based on screen character identification obtains system |
| CN108597052A (en) * | 2018-04-24 | 2018-09-28 | 合肥市艾特米信息技术有限公司 | Instrument automatic inspection device |
| CN108764234A (en) * | 2018-05-10 | 2018-11-06 | 浙江理工大学 | A kind of liquid level instrument Recognition of Reading method based on crusing robot |
| CN208224751U (en) * | 2018-05-28 | 2018-12-11 | 中国电力工程顾问集团华东电力设计院有限公司 | Intelligent substation system based on instrument long-distance reading data |
| CN109002018A (en) * | 2018-07-17 | 2018-12-14 | 许雄轩 | The safe acquisition system of industrial control data and acquisition method based on image recognition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101492535B1 (en) | Method, apparatus and system for generating and facilitating mobile high-definition multimedia interface | |
| CN1602001B (en) | Packet based stream transport scheduler and methods of use thereof | |
| CN1905655B (en) | Audio over a standard video cable | |
| CN101295493B (en) | Compact packet based multimedia interface and method for coupling portable source and multimedia display | |
| CN101803381B (en) | Display device, data transmitting method in display device, transmission device, and data receiving method in transmission device | |
| JP4844230B2 (en) | COMMUNICATION SYSTEM, TRANSMISSION DEVICE AND RECEPTION DEVICE, COMMUNICATION METHOD, AND PROGRAM | |
| US8098690B2 (en) | System and method for transferring high-definition multimedia signals over four twisted-pairs | |
| JP4743196B2 (en) | Electronic device and loop determination method in electronic device | |
| US20100185764A1 (en) | Dlna-compliant device, dlna connection setting method, and program | |
| JP2008283561A (en) | Communication system, video signal transmission method, transmitter, transmitting method, receiver, and receiving method | |
| CN101686360A (en) | Interface circuit and video apparatus | |
| CN104125434B (en) | A kind of system of long range high definition transmission | |
| TW201521432A (en) | Transmitting display management metadata over HDMI | |
| CN106464964A (en) | Device and method for transmitting and receiving data using HDMI | |
| JP2011249974A (en) | Transmission device, reception device, transmission method, reception method and transmitting and reception device | |
| CN103763499A (en) | Display apparatus, transmitting apparatus, and transmission method of video signal | |
| CN108476220A (en) | Use the peripheral bus video communication of Internet protocol | |
| JP6008141B2 (en) | Baseband video data transmission device, reception device, and transmission / reception system | |
| CN106327929A (en) | Visualized data control method and system for informatization | |
| CN107205176B (en) | Signal conversion device and method | |
| CN104135643B (en) | A kind of method and apparatus of long range high definition transmission | |
| US11012661B2 (en) | Display device, display method, and program | |
| JP2008160653A (en) | Data receiver | |
| CN105245914A (en) | Cloud desktop high-definition video transmission protocol and cloud desktop high-definition video transmission architecture | |
| CN102387332A (en) | Transmission 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |
|
| RJ01 | Rejection of invention patent application after publication |