CN114143630A - Remote acquisition big data acquisition terminal and method thereof - Google Patents
Remote acquisition big data acquisition terminal and method thereof Download PDFInfo
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- CN114143630A CN114143630A CN202111272008.XA CN202111272008A CN114143630A CN 114143630 A CN114143630 A CN 114143630A CN 202111272008 A CN202111272008 A CN 202111272008A CN 114143630 A CN114143630 A CN 114143630A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/02—Automatically-operated arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y20/00—Information sensed or collected by the things
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y30/00—IoT infrastructure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3852—Converter between protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/20—Arrangements in telecontrol or telemetry systems using a distributed architecture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
Abstract
The invention discloses a remote acquisition big data acquisition terminal and a method thereof, wherein the remote acquisition big data acquisition terminal comprises a remote data acquisition terminal, the remote data acquisition terminal comprises a sensor group, a lower computer and a measurement and control center data analysis and control part, and the acquisition method of the remote acquisition big data acquisition terminal comprises the following steps of S1: only contains single acquisition sensor, and the signal of gathering is transmitted by RS485 interface through transmission medium remote. According to the invention, different types of sensors are adopted at a signal end acquisition end according to requirements, various state signals generated by a sensor group are connected with a signal converter at an input end, a signal source is converted and compressed, transmission flow is reduced through compression transmission, simultaneously, the safety of contents is ensured, and the same RS485 is adopted as a converted signal interface, so that the adaptability is better.
Description
Technical Field
The invention relates to the technical field of data acquisition, in particular to a large data acquisition terminal for remote acquisition and a method thereof.
Background
Data Acquisition (DAQ), also known as data acquisition, refers to the automatic collection of non-electrical or electrical signals from sensors and other devices under test, etc. analog and digital units under test, and the analysis and processing of the signals in an upper computer. The data acquisition system is a flexible and user-defined measurement system implemented in conjunction with computer-based or other specialized test platform-based measurement software and hardware products.
Support loRa remote data acquisition terminal of multiple interface like patent number CN213126081U, including the data acquisition terminal body, the top fixedly connected with fixed block of data acquisition terminal body, and seted up the equipment fixed orifices on the fixed block, the antenna hole has been seted up on the top of data acquisition terminal body, the hanging equipment wiring hole has been seted up to the bottom of data acquisition terminal body.
Above acquisition terminal still has following problem, realizes connecting through acquisition terminal's multiple interface, and present equipment adopts RS485 agreement interface more, and many times long-range data collection has multiple type to distinguish moreover, if adopt multiple interface, when a plurality of data terminals of single interface, can't realize data acquisition.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a remote acquisition big data acquisition terminal and a method thereof.
The invention provides a remote acquisition big data acquisition terminal, which comprises a remote data acquisition terminal, wherein the remote data acquisition terminal comprises a sensor group, a lower computer and a data analysis and control part of a measurement and control center, the sensor group of the remote data acquisition part is assembled with the lower computer on an acquisition site, the sensor in the remote data acquisition part acquires various state information on the acquisition site, and the lower computer outputs the acquisition state signals of the sensor; the data analysis and control part of the measurement and control center comprises a monitoring center computer and a singlechip of which the communication network can respond to a control command, and the data analysis and control part of the measurement and control center enables relevant parameters on site to be transmitted to the monitoring center computer in time through the communication network; the control command sent by the monitoring center can be responded in time in the remote monitoring device, wherein the monitoring center mainly realizes the communication with the communication module to complete the receiving, displaying and storing of data and the sending of the control command;
the GPRS data transmission part comprises a wireless communication module, and is a data transmission medium among the remote data acquisition part, the substation and the monitoring center; the wireless communication module comprises an RS485 extension chip and an RS485 interface, and the RS485 interface is arranged on the RS485 extension chip and the signal end of the single chip microcomputer.
The further scheme of the invention is that the single chip microcomputer and the lower computer both adopt AT89C52, and the types of the data acquisition end and the RS485 extension chip in the lower computer correspond to different sensor group types.
A method for remotely acquiring a big data acquisition terminal is carried out according to the following steps:
s1: in the system only comprising one path of collector, the sensor group is a single collecting sensor, collecting state information of the sensor, after the collected signal is transmitted by an RS485 interface through a transmission medium (such as a twisted pair) in a long distance (up to 1200M), the collected signal is received by the RS485 interface and is sent to the singlechip, the singlechip completes the conversion of the RS485 and a USB interface, and finally, the data exchange is carried out with the PC through the USB interface of the PC to complete the data collection;
s2: in the system comprising the multi-path collector, a sensor group comprises a plurality of collecting sensors of the same type, the collecting states of the plurality of collecting sensors are collected to a lower computer end through a plurality of ports and then are integrated and compressed into a signal packet through the lower computer, the signal packet is remotely transmitted through a transmission medium by an RS485 interface, then is received and sent into a single chip microcomputer by the RS485 interface, the conversion of the RS485 interface and a USB interface is completed by the single chip microcomputer, finally, data exchange is performed with a PC through the USB interface of the PC, and the PC end decompresses after receiving the data to complete the collection of the data;
s3: in the system that contains multichannel collector, the sensor group is the acquisition sensor of a plurality of different grade types, a plurality of acquisition sensors are according to the signal source, wherein the signal source is including RS485, Lora, GPRS, 4G, types such as NB-iot, the tip of acquisition sensor all is connected with signal converter, convert all signal sources into the compression of RS485 integration back and be the signal package, the signal package is by RS485 interface after through transmission medium remote transmission, receive by the RS485 interface again and send into the singlechip, and accomplish the conversion of RS485 and USB interface by the singlechip, at last carry out data interchange with the PC through the USB interface of PC, decompress after receiving data in the PC end, decompress and accomplish the type of different signal sources simultaneously and restore, accomplish the collection of data.
The beneficial effects of the invention are as follows:
1. the acquisition terminal adopts different types of sensors at an acquisition end of a signal end according to requirements, various state signals generated by a sensor group are connected with a signal converter at an input end, a signal source is converted and compressed, transmission flow is reduced through compression transmission, meanwhile, the safety of contents is ensured, and the same RS485 is adopted as a converted signal interface, so that the adaptability is better;
2. the acquisition terminal of the sensor group in the acquisition terminal has three working conditions, different information source processing modes are realized through three different working conditions, the acquisition terminal realizes acquisition and transmission through high efficiency and a corresponding method, and the adaptability of data acquisition is ensured.
Drawings
FIG. 1 is a flow chart of a first working condition of a remote acquisition big data acquisition terminal and a method thereof according to the present invention;
FIG. 2 is a second flowchart of a remote big data acquisition terminal and method thereof according to the present invention;
fig. 3 is a third working condition flowchart of a remote acquisition big data acquisition terminal and a method thereof according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A remote acquisition big data acquisition terminal comprises a remote data acquisition terminal, wherein the remote data acquisition terminal comprises a sensor group, a lower computer and a measurement and control center data analysis and control part, the remote data acquisition part is provided with a key sensor group and the lower computer which are assembled on an acquisition site, the sensor in the remote data acquisition part acquires various state information on the acquisition site, and the lower computer outputs the acquisition state signals of the sensor; the data analysis and control part of the measurement and control center comprises a monitoring center computer and a singlechip of which the communication network can respond to a control command, and the data analysis and control part of the measurement and control center enables relevant parameters on site to be transmitted to the monitoring center computer in time through the communication network; the control command sent by the monitoring center can be responded in time in the remote monitoring device, wherein the monitoring center mainly realizes the communication with the communication module to complete the receiving, displaying and storing of data and the sending of the control command;
the GPRS data transmission part comprises a wireless communication module, and is a data transmission medium among the remote data acquisition part, the substation and the monitoring center; the wireless communication module comprises an RS485 extension chip and an RS485 interface, and the RS485 interface is arranged on the RS485 extension chip and the signal end of the single chip microcomputer. The single chip microcomputer and the lower computer adopt AT89C52, and the types of a data acquisition end and an RS485 extension chip in the lower computer correspond to different sensor group types;
the data acquisition system consists of a remote data acquisition terminal, a CPRS data transmission part and a measurement and control center data analysis and control part;
the remote terminal comprises a distributed data acquisition system and a wireless communication module, wherein the distributed data acquisition system consists of a sensor group, a single chip microcomputer and a peripheral circuit.
The data acquisition terminal is installed on site and acquires various state information through various sensors;
the GPRS communication network is a data transmission bridge among the data acquisition terminals, the substations and the monitoring center substations, the remote data transmission part transmits data collected by the terminals to the GPRS network according to a network protocol, and then the data can be transmitted to the monitoring center computer through the Internet network, and the inquiry or control command of the monitoring center can also be transmitted to the acquisition terminals through the GPRS network.
Referring to fig. 1-3, an acquisition method for remotely acquiring a big data acquisition terminal includes the following three conditions:
s1: in the system only comprising one path of collector, the sensor group is a single collecting sensor, collecting state information of the sensor, after the collected signal is transmitted by an RS485 interface through a transmission medium (such as a twisted pair) in a long distance (up to 1200M), the collected signal is received by the RS485 interface and is sent to the singlechip, the singlechip completes the conversion of the RS485 and a USB interface, and finally, the data exchange is carried out with the PC through the USB interface of the PC to complete the data collection;
s2: in the system comprising the multi-path collector, a sensor group comprises a plurality of collecting sensors of the same type, the collecting states of the plurality of collecting sensors are collected to a lower computer end through a plurality of ports and then are integrated and compressed into a signal packet through the lower computer, the signal packet is remotely transmitted through a transmission medium by an RS485 interface, then is received and sent into a single chip microcomputer by the RS485 interface, the conversion of the RS485 interface and a USB interface is completed by the single chip microcomputer, finally, data exchange is performed with a PC through the USB interface of the PC, and the PC end decompresses after receiving the data to complete the collection of the data;
s3: in the system that contains multichannel collector, the sensor group is the acquisition sensor of a plurality of different grade types, a plurality of acquisition sensors are according to the signal source, wherein the signal source is including RS485, Lora, GPRS, 4G, types such as NB-iot, the tip of acquisition sensor all is connected with signal converter, convert all signal sources into the compression of RS485 integration back and be the signal package, the signal package is by RS485 interface after through transmission medium remote transmission, receive by the RS485 interface again and send into the singlechip, and accomplish the conversion of RS485 and USB interface by the singlechip, at last carry out data interchange with the PC through the USB interface of PC, decompress after receiving data in the PC end, decompress and accomplish the type of different signal sources simultaneously and restore, accomplish the collection of data.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A remote acquisition big data acquisition terminal is characterized by comprising
The remote data acquisition terminal comprises a sensor group, a lower computer and a data analysis and control part of a measurement and control center, wherein the sensor group, the lower computer and the data analysis and control part of the measurement and control center are combined and installed on an acquisition site, the sensors in the remote data acquisition part acquire various state information of the acquisition site, and the lower computer outputs the acquisition state signals of the sensors;
the data analysis and control part of the measurement and control center comprises a monitoring center computer and a singlechip of which the communication network can respond to a control command, and the data analysis and control part of the measurement and control center enables relevant parameters on site to be transmitted to the monitoring center computer in time through the communication network;
the control command sent by the monitoring center can be responded in time in the remote monitoring device, wherein the monitoring center mainly realizes the communication with the communication module to complete the receiving, displaying and storing of data and the sending of the control command;
the GPRS data transmission part comprises a wireless communication module, and is a data transmission medium among the remote data acquisition part, the substation and the monitoring center;
the wireless communication module comprises an RS485 extension chip and an RS485 interface, and the RS485 interface is arranged on the RS485 extension chip and the signal end of the single chip microcomputer.
2. The terminal of claim 1, wherein the single chip microcomputer and the lower computer are both AT89C52, and the types of the data acquisition end and the RS485 expansion chip in the lower computer correspond to different sensor group types.
3. The acquisition method of the remote acquisition big data acquisition terminal as claimed in claim 1, wherein the acquisition method of the remote acquisition big data acquisition terminal is performed according to the following steps:
s1: in the system only comprising one path of collector, the sensor group is a single collecting sensor, the state information of the collecting site of the sensor is collected, the collected signal is transmitted by an RS485 interface through a transmission medium (such as a twisted pair) in a long distance (up to 1200M), then is received by the RS485 interface and is sent to the singlechip, the singlechip completes the conversion of the RS485 and a USB interface, and finally, the data exchange is carried out with the PC through the USB interface of the PC to complete the data collection;
s2: in the system comprising the multi-path collector, a sensor group comprises a plurality of collecting sensors of the same type, the collecting states of the plurality of collecting sensors are collected to a lower computer end through a plurality of ports and then are integrated and compressed into a signal packet through the lower computer, the signal packet is remotely transmitted through a transmission medium by an RS485 interface, then is received and sent into a single chip microcomputer by the RS485 interface, the conversion of the RS485 interface and a USB interface is completed by the single chip microcomputer, finally, data exchange is performed with a PC through the USB interface of the PC, and the PC end decompresses after receiving the data to complete the collection of the data;
s3: in the system that contains multichannel collector, the sensor group is the acquisition sensor of a plurality of different grade types, a plurality of acquisition sensors are according to the signal source, wherein the signal source is including RS485, Lora, GPRS, 4G, types such as NB-iot, the tip of acquisition sensor all is connected with signal converter, convert all signal sources into the compression of RS485 integration back and be the signal package, the signal package is by RS485 interface after through transmission medium remote transmission, receive by the RS485 interface again and send into the singlechip, and accomplish the conversion of RS485 and USB interface by the singlechip, at last carry out data interchange with the PC through the USB interface of PC, decompress after receiving data in the PC end, decompress and accomplish the type of different signal sources simultaneously and restore, accomplish the collection of data.
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Cited By (1)
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