CN102930713A - Multichannel synchronous data collecting system and collecting method of optical fiber Ethernet communication - Google Patents

Multichannel synchronous data collecting system and collecting method of optical fiber Ethernet communication Download PDF

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Publication number
CN102930713A
CN102930713A CN2012104286456A CN201210428645A CN102930713A CN 102930713 A CN102930713 A CN 102930713A CN 2012104286456 A CN2012104286456 A CN 2012104286456A CN 201210428645 A CN201210428645 A CN 201210428645A CN 102930713 A CN102930713 A CN 102930713A
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data
transistor
collecting unit
serial ports
logic level
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罗隆福
张晓虎
刘洁
宁志豪
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Hunan University
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Hunan University
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Abstract

The invention discloses a multichannel synchronous data collecting system and a collecting method of optical fiber Ethernet communication, wherein a data collecting unit is installed on each measuring point, the data collecting units receive a synchronous collecting command of an upper computer and synchronously collect and store data of a fixed period, and the collected data are uploaded to a background computer by an optical fiber Ethernet communication module and are generated to a data storage file with a CVS format suffix to be used by other monitoring systems or used as standby files for future analysis. According to the invention, the corresponding data collecting units are installed at the measuring points in the monitoring system, the data collecting units are triggered by optical fiber synchronous collection triggering signals to drive terminals to synchronously collect data, and finally the problems such as long communication distance, high communication speed demand, high anti-interference capability demand and synchronous collection and analysis of data in the monitoring system are solved through an optical fiber Ethernet high speed communication mode.

Description

Multi-channel data synchronous and the acquisition method of fiber optic Ethernet communication
Technical field
The present invention relates to the data acquisition of industry measurement and control system, relate to specifically a kind of multi-channel data synchronous and acquisition method of fiber optic Ethernet communication.
Background technology
Along with developing rapidly of optical fiber technology, the control accuracy of optical fiber improves constantly, and performance is more stable, and cost performance is higher, becomes gradually the first-selected product of high-voltage triggering circuit.Optical fiber communication is compared with electrical communication in the past, and the key distinction is that it has many good qualities: transmission frequency bandwidth, message capacity are large; Loss is low, repeater span is long; Wire diameter is thin, lightweight, and raw material is quartzy, saves metal material, is conducive to resource and rationally uses; Insulation, anti-electromagnetic interference performance is strong; Have also that resistance to corrosion is strong, capability of resistance to radiation is strong, reelability is good, without electric spark, reveal the advantage such as little, strong security.
In traditional safety protection field, the center monitoring field, industrial control field, in the middle of the field of medical, thousands of inductor is arranged, PLC controller, the RS-232/485/422 serial equipments such as monitor, all be to carry out data communication by RS-232 serial communication or RS-485/42 bus communication and PC, exchanges data and data management.The network peripheral hardware that allows the RS-232/485/422 serial equipment change into to have the TCP/IP socket needs research and development and integrates CPU, DSP, and the various software and hardwares such as ICP/IP protocol need to drop into huge human resources and time cost.
Have in the existing industry measurement and control system that the Site Detection environment is abominable, equipment disperses, communication distance is far away, that communication speed requires is high, antijamming capability requires high, data to need the problems such as synchronous acquisition analysis.
Summary of the invention
The Site Detection environment is abominable in the industry measurement and control system, equipment disperses, communication distance is far away in order to solve, communication speed requires technical matters high, that the antijamming capability requirement is high, data need synchronous acquisition to analyze, the present invention proposes a kind of multi-channel data synchronous and acquisition method of fiber optic Ethernet communication.
The technical scheme that the present invention solves technique scheme is: comprise the terminal acquisition module, the fiber optic Ethernet communication module, monitoring center, described terminal acquisition module comprises a main collecting unit, a plurality ofly turn fiber optic circuit from collecting unit and serial ports Transistor-Transistor Logic level, the fiber optic Ethernet communication module comprises that a plurality of optical fiber turn the serial ports Transistor-Transistor Logic level and the serial ports Transistor-Transistor Logic level turns the RS-232 level circuit, a plurality of RS-232 turn the TCP/IP converter, Ethernet switch, monitoring center comprises prepositive communication computer, database server, WEB server and a plurality of supervisory control comuter, described main collecting unit is as the transmitting terminal of synchronous data sampling order, other respectively receive the data synchronizing pulse that main collecting unit sends from collecting unit, each collecting unit turns fiber optic circuit to the signal that collects by the serial ports Transistor-Transistor Logic level successively, optical fiber turns the serial ports Transistor-Transistor Logic level and the serial ports Transistor-Transistor Logic level turns the RS-232 level circuit, RS-232 turns the TCP/IP converter, Ethernet switch uploads to supervisory control comuter, Ethernet switch respectively with prepositive communication computer, database server, the WEB server, a plurality of supervisory control comuters link to each other.
A kind of multi-channel data synchronous collection method of fiber optic Ethernet communication may further comprise the steps:
(1) prepositive communication computer sends the synchronous acquisition order to main collecting unit, turns fiber optic circuit by the serial ports Transistor-Transistor Logic level after main collecting unit receives orders and sends the synchronous acquisition signal to all from collecting unit;
(2) all collecting units are hanging down the rising edge while image data of pulse, and send the collection end signal to prepositive communication computer after the data that gather the fixed cycle;
(3) prepositive communication computer receives that the mode that adopts poll behind the collection end signal of main acquisition terminal sends the data upload order to data acquisition unit one by one, the collecting unit of receiving upload command is uploading data immediately, data at first are converted to fiber-optic signal by serial ports Transistor-Transistor Logic level conversion fiber optic circuit, turn serial ports Transistor-Transistor Logic level and serial ports Transistor-Transistor Logic level by optical fiber again and turn the RS-232 level circuit and be converted to the RS232 level signal, finally turn the TCP/IP converter through RS-232 and utilize Ethernet switch to arrive prepositive communication computer.
(4) prepositive communication computer stores the measurement data that receives in the data file that suffix is the CSV form into, to supply with other supervisory systems uses or to be provided with post analysis as backup file, perhaps directly carry out Algorithm Analysis with the parameter of processing acquisition system needs and deposit database server in;
(5) prepositive communication computer sends acquisition to main collecting unit again, repeats above process.
Technique effect of the present invention is:
(1) master's collecting unit of the present invention is accepted the acquisition that prepositive communication computer sends, send unified optical fiber synchronous acquisition pulse to other from collecting unit, need not to have reduced system cost and acquisition terminal volume for all collecting units arrange special-purpose clock reference source;
(2) be fibre circuit between all collecting units and the background communication front end processor, solved the problems such as system communication distance, communication speed requirement height, antijamming capability requirement height; And the optical fiber in the fiber optic Ethernet communication module turns the serial ports Transistor-Transistor Logic level and the serial ports Transistor-Transistor Logic level turns the RS-232 level circuit, RS-232 turns the TCP/IP converter apparatus and can realize that fibre circuit is converted to ethernet twisted pair circuit access background PC computer network interface card, for the collecting unit use is serial-port communication, what then use for background PC computer is tcp/ip communication, both alleviated the telecommunication circuit complexity of acquisition terminal, improved again and background PC computer between communication stability.
(3) measurement data that uploads to prepositive communication computer both can directly deposit existing database in, can be generated to again in the data file that suffix is the CSV form (the csv file name is named with uplink time) to supply with other supervisory systems and use or be provided with post analysis as backup file, read compatibility for various supervisory system provides good data.
The present invention is described further below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is process flow diagram of the present invention.
Embodiment.
Referring to Fig. 1, the multi-channel data synchronous of fiber optic Ethernet communication is divided into three parts: terminal acquisition module, fiber optic Ethernet communication module and monitoring center, terminal acquisition module, fiber optic Ethernet communication module, monitoring center are connected in series successively.
The terminal acquisition module comprises that the serial ports Transistor-Transistor Logic level turns fiber optic circuit, and settled a number of units according to collecting unit for each measurement point, can set any collecting unit is main collecting unit, the terminal acquisition module comprises that also the serial ports Transistor-Transistor Logic level turns fiber optic circuit, described main collecting unit is as the transmitting terminal of synchronous data sampling order, and other collecting unit is from collecting unit, receive the data synchronizing pulse that main collecting unit sends, each collecting unit turns fiber optic circuit to the signal that collects by the serial ports Transistor-Transistor Logic level and sends to the fiber optic Ethernet communication module.Each collecting unit all adopts high-speed parallel port, multi-channel synchronous sampling A/D data acquisition chip image data, further improves the synchronism of data acquisition.Each collecting unit utilizes the TXD of HFBR-1414 and HFBR-2412 autonomous Design serial port and the Transistor-Transistor Logic level of RXD to turn the fiber-optic signal circuit, and the serial ports that need not to purchase on the market turns fiber plant, has not only improved the collecting unit integrated level but also has reduced the cost of system.
The fiber optic Ethernet communication module comprises that mainly optical fiber turns the serial ports Transistor-Transistor Logic level and the serial ports Transistor-Transistor Logic level turns RS-232 level circuit, RS-232 turns TCP/IP converter, Ethernet switch, optical fiber turns serial ports Transistor-Transistor Logic level and serial ports Transistor-Transistor Logic level and turns that RS-232 level circuit, RS-232 turn the TCP/IP converter, Ethernet switch is connected in series successively, and described fiber optic Ethernet communication module can realize the data interaction between measure field and the monitoring center.
Monitoring center mainly comprises the equipment such as prepositive communication computer, database server, WEB server, supervisory control comuter, and prepositive communication computer, database server, WEB server, supervisory control comuter link to each other with Ethernet switch respectively.Data communication, csv file generation and data that prepositive communication computer is finished terminal acquisition module and monitoring center deposit the functions such as database server in; Database server stores measurement data and correlation parameter; The WEB server is then finished mutual with acquisition terminal, database server and supervisory control comuter.
Referring to Fig. 2, the multi-channel data synchronous collection method of fiber optic Ethernet communication is as follows:
(1) prepositive communication computer sends the synchronous acquisition order to main collecting unit, turns fiber optic circuit by the serial ports Transistor-Transistor Logic level after main collecting unit receives orders and sends synchronous acquisition signal (low pulse) to all from collecting unit;
(2) all collecting units are hanging down the rising edge while image data of pulse, and send the collection end signal by main collecting unit to prepositive communication computer after the data that gather the fixed cycle;
(3) prepositive communication computer receives that the mode that adopts poll behind the collection end signal of main acquisition terminal sends the data upload order to data acquisition unit one by one, the collecting unit of receiving upload command is uploading data immediately, data at first are converted to fiber-optic signal by serial ports Transistor-Transistor Logic level conversion fiber optic circuit, turn serial ports Transistor-Transistor Logic level and serial ports Transistor-Transistor Logic level by optical fiber again and turn the RS-232 level circuit and be converted to the RS232 level signal, finally turn the TCP/IP converter through RS-232 and utilize Ethernet switch to arrive prepositive communication computer.
(4) prepositive communication computer stores the measurement data that receives in the data file that suffix is the CSV form into, to supply with other supervisory systems uses or to be provided with post analysis as backup file, perhaps directly carry out Algorithm Analysis with the parameter of processing acquisition system needs and deposit database server in;
(5) prepositive communication computer sends acquisition to main collecting unit again, repeats above process.
The above embodiment has only expressed testing scheme and the step of the multi-channel data synchronous based on fiber optic Ethernet communication of the present invention, and it describes comparatively concrete and in detail, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (2)

1. the multi-channel data synchronous of fiber optic Ethernet communication, it is characterized in that: comprise the terminal acquisition module, the fiber optic Ethernet communication module, monitoring center, described terminal acquisition module comprises a main collecting unit, a plurality ofly turn fiber optic circuit from collecting unit and serial ports Transistor-Transistor Logic level, the fiber optic Ethernet communication module comprises that a plurality of optical fiber turn the serial ports Transistor-Transistor Logic level and the serial ports Transistor-Transistor Logic level turns the RS-232 level circuit, a plurality of RS-232 turn the TCP/IP converter, Ethernet switch, monitoring center comprises prepositive communication computer, database server, WEB server and a plurality of supervisory control comuter, described main collecting unit is as the transmitting terminal of synchronous data sampling order, other respectively receive the data synchronizing pulse that main collecting unit sends from collecting unit, each collecting unit turns fiber optic circuit to the signal that collects by the serial ports Transistor-Transistor Logic level successively, optical fiber turns the serial ports Transistor-Transistor Logic level and the serial ports Transistor-Transistor Logic level turns the RS-232 level circuit, RS-232 turns the TCP/IP converter, Ethernet switch uploads to supervisory control comuter, Ethernet switch respectively with prepositive communication computer, database server, the WEB server, a plurality of supervisory control comuters link to each other.
2. the multi-channel data synchronous collection method of a fiber optic Ethernet communication is characterized in that
May further comprise the steps:
(1) prepositive communication computer sends the synchronous acquisition order to main collecting unit, turns fiber optic circuit by the serial ports Transistor-Transistor Logic level after main collecting unit receives orders and sends the synchronous acquisition signal to all from collecting unit;
(2) all collecting units are hanging down the rising edge while image data of pulse, and send the collection end signal to prepositive communication computer after the data that gather the fixed cycle;
(3) prepositive communication computer receives that the mode that adopts poll behind the collection end signal of main acquisition terminal sends the data upload order to data acquisition unit one by one, the collecting unit of receiving upload command is uploading data immediately, data at first are converted to fiber-optic signal by serial ports Transistor-Transistor Logic level conversion fiber optic circuit, turn serial ports Transistor-Transistor Logic level and serial ports Transistor-Transistor Logic level by optical fiber again and turn the RS-232 level circuit and be converted to the RS232 level signal, finally turn the TCP/IP converter through RS-232 and utilize Ethernet switch to arrive prepositive communication computer;
(4) prepositive communication computer stores the measurement data that receives in the data file that suffix is the CSV form into, to supply with other supervisory systems uses or to be provided with post analysis as backup file, perhaps directly carry out Algorithm Analysis with the parameter of processing acquisition system needs and deposit database server in.
CN2012104286456A 2012-10-31 2012-10-31 Multichannel synchronous data collecting system and collecting method of optical fiber Ethernet communication Pending CN102930713A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104299407A (en) * 2014-09-05 2015-01-21 西安理工大学 High voltage IGBT module real time data synchronous acquisition system and acquisition method thereof
CN104967482A (en) * 2015-07-15 2015-10-07 成都傅立叶电子科技有限公司 Multichannel IO synchronization control system based on optical fiber communication and method
CN106094743A (en) * 2016-06-02 2016-11-09 山东中烟工业有限责任公司 Throwing device status data acquisition system based on polling communication detection and method
CN106530355A (en) * 2016-10-31 2017-03-22 河海大学 Multi-view camera synchronous data acquisition method based on optic-fiber Ethernet
CN106559298A (en) * 2015-09-30 2017-04-05 中国科学院地质与地球物理研究所 Using Ethernet and the vibration monitor system high-precise synchronization number transmission method and device of RS-232 serial ports collaborative works
CN106990738A (en) * 2017-05-12 2017-07-28 中国科学院合肥物质科学研究院 A kind of distributed data acquisition synchronization system based on Hardware I/O
CN113630177A (en) * 2021-06-29 2021-11-09 岳阳索非特矿山机械有限责任公司 Optical fiber series communication system and communication network system
CN113742268A (en) * 2021-09-14 2021-12-03 北京坤驰科技有限公司 High-speed pulse acquisition system based on Ethernet optical fiber
CN114911201A (en) * 2022-03-04 2022-08-16 华能威海发电有限责任公司 Man-machine interaction coal distribution and taking method

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CN201207142Y (en) * 2008-05-12 2009-03-11 安徽省电力公司合肥供电公司 Electricity collecting system of transforming plant
CN101414763A (en) * 2008-12-04 2009-04-22 河南省电力公司鹤壁供电公司 System for monitoring transforming plant DC
CN101520944A (en) * 2008-02-29 2009-09-02 天津天地伟业数码科技有限公司 Data transmission system and data transmission method for monitoring terminal

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CN101520944A (en) * 2008-02-29 2009-09-02 天津天地伟业数码科技有限公司 Data transmission system and data transmission method for monitoring terminal
CN201207142Y (en) * 2008-05-12 2009-03-11 安徽省电力公司合肥供电公司 Electricity collecting system of transforming plant
CN101414763A (en) * 2008-12-04 2009-04-22 河南省电力公司鹤壁供电公司 System for monitoring transforming plant DC

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104299407A (en) * 2014-09-05 2015-01-21 西安理工大学 High voltage IGBT module real time data synchronous acquisition system and acquisition method thereof
CN104299407B (en) * 2014-09-05 2017-05-31 西安理工大学 A kind of high-voltage IGBT module real-time data synchronization acquisition system and acquisition method
CN104967482A (en) * 2015-07-15 2015-10-07 成都傅立叶电子科技有限公司 Multichannel IO synchronization control system based on optical fiber communication and method
CN104967482B (en) * 2015-07-15 2017-08-08 成都傅立叶电子科技有限公司 Multichannel IO synchronous control systems and method based on fiber optic communication
CN106559298A (en) * 2015-09-30 2017-04-05 中国科学院地质与地球物理研究所 Using Ethernet and the vibration monitor system high-precise synchronization number transmission method and device of RS-232 serial ports collaborative works
CN106559298B (en) * 2015-09-30 2020-06-05 中国科学院地质与地球物理研究所 High-precision synchronous data transmission method and device for Ethernet serial port cooperative vibration monitoring system
CN106094743B (en) * 2016-06-02 2019-06-25 山东中烟工业有限责任公司 Throwing device status data acquisition method based on polling communication detection
CN106094743A (en) * 2016-06-02 2016-11-09 山东中烟工业有限责任公司 Throwing device status data acquisition system based on polling communication detection and method
CN106530355A (en) * 2016-10-31 2017-03-22 河海大学 Multi-view camera synchronous data acquisition method based on optic-fiber Ethernet
CN106530355B (en) * 2016-10-31 2019-01-11 河海大学 A kind of multi-lens camera synchronous data collection method based on fiber optic Ethernet
CN106990738A (en) * 2017-05-12 2017-07-28 中国科学院合肥物质科学研究院 A kind of distributed data acquisition synchronization system based on Hardware I/O
CN113630177A (en) * 2021-06-29 2021-11-09 岳阳索非特矿山机械有限责任公司 Optical fiber series communication system and communication network system
CN113742268A (en) * 2021-09-14 2021-12-03 北京坤驰科技有限公司 High-speed pulse acquisition system based on Ethernet optical fiber
CN113742268B (en) * 2021-09-14 2023-12-08 北京坤驰科技有限公司 High-speed pulse acquisition system based on Ethernet optical fiber
CN114911201A (en) * 2022-03-04 2022-08-16 华能威海发电有限责任公司 Man-machine interaction coal distribution and taking method

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Application publication date: 20130213