CN111464968A - Multifunctional data acquisition controller based on 4G-DTU wireless network transmission - Google Patents
Multifunctional data acquisition controller based on 4G-DTU wireless network transmission Download PDFInfo
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- CN111464968A CN111464968A CN202010286666.3A CN202010286666A CN111464968A CN 111464968 A CN111464968 A CN 111464968A CN 202010286666 A CN202010286666 A CN 202010286666A CN 111464968 A CN111464968 A CN 111464968A
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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
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The invention discloses a multifunctional data acquisition controller based on 4G-DTU wireless network transmission, and relates to the technical field of big data processing. The system comprises an AI/AO acquisition module, a DI/DO acquisition module, an RS-485/232 bus, a 4G-DTU data wireless network transmission module, a cloud server and a controller, wherein the AI/AO acquisition module acquires external sensor data, the DI/DO acquisition module acquires field digital quantity signal data, the data acquisition and control of the AI/AO acquisition module, the DI/DO acquisition module and various field bus instruments are performed by the RS-485/232 bus, all acquired data are uploaded to the cloud server through a 4G wireless network, and the cloud server receives the data uploaded by the 4G-DTU, issues control commands, and performs classified management and storage on the data. The invention adopts the 4G wireless network and the cloud server to transmit, store and control data, can simultaneously acquire and control data of analog quantity, digital quantity and RS-485/232 bus type instruments and meters, and has high safety, wide applicability and wide application prospect.
Description
Technical Field
The invention relates to the technical field of big data processing, in particular to a multifunctional data acquisition controller based on 4G-DTU wireless network transmission.
Background
The modern society has entered into big data and thing networking era, and every industry is drawing close to big data and thing networking, hopes to build own data center, relies on big data and thing networking to promote the modernization management level of enterprise, improves the work efficiency and the soft strength of science and technology of enterprise, promotes the external image of enterprise. However, the production equipment and management modes used in the conventional industries such as agriculture and chemical industry are still relatively backward, and the collection of production data, the regular meter reading, the summary analysis of data and the report still depend on human participation.
At present, when most enterprises are subjected to automation and modernization transformation, a wired mode of an analog instrument + P L C (programmable controller) + HMI (human-machine interface), namely a local centralized mode, is generally used, the construction quantity of the mode is large, a large number of signal cables need to be laid, signals are easy to interfere, the installation positions of the HMI are fixed, the number of the HMI is limited, and the requirements of accessing data and equipment states at any time and any place cannot be met.
In order to solve the problems, a novel multifunctional data acquisition and controller based on 4G-DTU wireless network transmission is particularly necessary to design.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the multifunctional data acquisition controller based on 4G-DTU wireless network transmission, which has the advantages of simple structure, reasonable design, comprehensive functions, wide applicability, strong universality and easiness in popularization and use, and the 4G wireless network and the cloud server are adopted for data transmission, storage and control.
In order to achieve the purpose, the invention is realized by the following technical scheme: a multifunctional data acquisition controller based on 4G-DTU wireless network transmission comprises a 4G-DTU data wireless network transmission module, an AI/AO acquisition module, a DI/DO acquisition module, an RS-485/232 bus, a cloud server, a miniature circuit breaker, a DC 24V power supply and a wiring terminal, wherein the AI/AO acquisition module acquires data of an external sensor, the DI/DO acquisition module acquires field digital quantity signal data, the RS-485/232 bus acquires and controls the AI/AO acquisition module, the DI/DO acquisition module and various field bus instruments, and the 4G-DTU data wireless network transmission module uploads all acquired data to the cloud server through a 4G wireless network and issues a received control instruction; the cloud server receives data uploaded by the 4G-DTU, issues a control command, and performs classified management and storage on the data; the PC client and the mobile phone APP access a cloud database of the cloud server in real time through a wired or wireless network; signals and buses of all field instruments are connected through wiring terminals, the miniature circuit breaker controls power supply of equipment, and power supply is supplied to all electrical elements and the field instruments through a DC 24V power supply.
Preferably, the 4G-DTU data wireless network transmission module communicates with the AI/AO acquisition module, the DI/DO acquisition module and the RS-485/232 bus by adopting a standard Modbus protocol, the 4G-DTU data wireless network transmission module uploads all acquired data to a cloud database of a cloud server by an RS-485/232 bus, Modbus-ASCII or Modbus-RTU protocol, and the 4G-DTU data wireless network transmission module issues a control command to the AI/AO acquisition module and the DI/DO acquisition module by an RS-485/232 bus, Modbus-ASCII or Modbus-RTU protocol, so that remote control of field equipment is realized.
Preferably, the AI/AO acquisition module acquires and controls analog quantity data of various instruments on site, and the AI/AO acquisition module includes but is not limited to 8 paths of AI channels and 4 paths of AO channels, acquires analog quantity sensor data of a temperature sensor, a pressure sensor, a liquid level sensor, a frequency converter and a proportional valve, and converts the analog quantity sensor data into a standard digital signal.
Preferably, the DI/DO acquisition module acquires and controls switching value data of various field devices, and the DI/DO acquisition module includes but is not limited to 16 paths of DI channels and 16 paths of DO channels, acquires device running states and control commands of a fan, a water pump and a unit, and converts digital value state signals into standard digital signals.
Preferably, the meters for collecting and controlling data by the RS-485/232 bus comprise a flowmeter, a heat meter, a multifunctional electric meter, a remote water meter, a remote gas meter, an integrating instrument, a water quality monitoring meter, an environment monitoring meter, a hydrological meteorological monitoring meter and an agricultural monitoring meter.
The invention has the beneficial effects that: the device has comprehensive functions, adopts the 4G wireless network and the cloud server to transmit, store and control data, can simultaneously acquire and control data of analog quantity, digital quantity and RS-485/232 bus type instruments and meters, has strong practicability, high safety, wide applicability and strong universality, is suitable for various fields and industries such as industry, agriculture, environmental protection, meteorology, energy and the like, and has wide application prospect.
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The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic diagram of the principles of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a multifunctional data acquisition controller based on 4G-DTU wireless network transmission comprises a 4G-DTU data wireless network transmission module 1, an AI/AO acquisition module 2, a DI/DO acquisition module 3, an RS-485/232 bus 4, a cloud server 5, a miniature circuit breaker 6, a DC 24V power supply 7 and a wiring terminal 8, wherein the AI/AO acquisition module 2 is responsible for acquiring and controlling analog quantity data of various field instruments and meters, and comprises but is not limited to 8 paths of AI channels and 4 paths of AO channels, the DI/DO acquisition module 3 is responsible for acquiring and controlling on-off quantity data of various field devices and comprises but is not limited to 16 paths of DI channels and 16 paths of DO channels, and the RS-485/232 bus 4 is responsible for acquiring and controlling data of the AI/AO acquisition module 2, the DI/DO acquisition module 3 and various field bus meters, the system supports a Modbus-ASCII protocol and a Modbus-RTU protocol, the 4G-DTU data wireless network transmission module 1 uploads all acquired data to the cloud server 5 through a 4G wireless network, and the received control instruction is issued; the cloud server 5 receives the data uploaded by the 4G-DTU, issues a control command, and performs classified management and storage on the data; signals and buses of the field instruments are connected through a wiring terminal 8, the miniature circuit breaker 6 controls power supply of the equipment, and power supply is performed on the electric elements and the field instruments through a DC 24V power supply 7.
It is worth noting that the PC client 9 and the mobile phone APP 10 can access the cloud database 11 of the cloud server 5 in real time through a wired or wireless network, check all required real-time and historical data reports and states in an authorized range, and control corresponding devices; the cloud server 5 continuously compares and analyzes the collected data, once abnormal conditions occur in the data and the equipment state, abnormal alarm prompt is immediately carried out, alarm information is pushed to relevant maintenance and management personnel, meanwhile, the cloud server 5 is provided with relevant safety protection modules, and the database is periodically subjected to local backup, so that illegal network attack and malicious attack are effectively resisted, and data safety is ensured.
It should be noted that the 4G-DTU data wireless network transmission module 1 and the AI/AO acquisition module 2, the DI/DO acquisition module 3, and the RS-485/232 bus 4 communicate with each other by using a standard Modbus protocol, and the 4G-DTU data wireless network transmission module 1 and the cloud server 5 use a 4G wireless network transmission method before.
In addition, the AI/AO acquisition module 2 acquires analog sensor data of a temperature sensor, a pressure sensor, a liquid level sensor, a frequency converter and a proportional valve and converts the analog sensor data into a standard digital signal; the DI/DO acquisition module 3 acquires equipment running states and control commands of a fan, a water pump and a unit, and converts digital quantity state signals into standard digital signals; the meters for collecting and controlling data by the RS-485/232 bus 4 comprise a flowmeter, a heat meter, a multifunctional electric meter, a remote water meter, a remote gas meter, an integrating instrument, a water quality monitoring instrument, an environment monitoring instrument, a hydrological meteorological monitoring instrument and an agricultural monitoring instrument.
The implementation steps of the specific implementation mode are as follows: (1) connecting various sensors, equipment running state signals, instruments and meters and the like in the field according to corresponding functional channel connecting terminals;
(2) the data of the analog sensor is converted into standard digital signals by an AI/AO acquisition module 2, and the digital quantity state signals are converted into standard digital signals by a DI/DO acquisition module 3;
(3) the 4G-DTU data wireless network transmission module 1 uploads all acquired data to a cloud database 11 of the cloud server 5 through an RS-485/232 bus 4, a Modbus-ASCII or a Modbus-RTU protocol;
(4) the 4G-DTU data wireless network transmission module 1 issues the control command to the AI/AO acquisition module 2 and the DI/DO acquisition module 3 through an RS-485/232 bus 4, a Modbus-ASCII or a Modbus-RTU protocol, so as to realize the remote control of the field device.
The technical advantages of this embodiment are: (1) the analog quantity, the digital quantity and the RS-485/232 bus type instrument data acquisition and control can be simultaneously carried out;
(2) data transmission is carried out through a 4G wireless network;
(3) the data acquisition is not limited by time and regions, and is automatically carried out without manual intervention;
(4) the heartbeat package mechanism is started, the safety and stability of data acquisition are guaranteed, data are stored in a cloud mode and processed in a cloud mode, a client can access the database anytime and anywhere, and the device is standardized and modularized.
The data transmission, storage and control are carried out in a 4G wireless network transmission and cloud server mode, so that the data of various devices and instruments in relatively centralized field installation positions can be acquired and controlled in real time, and the problems of unified centralized acquisition and control of various instrument and instrument data and the problems of field wiring construction of data acquisition are solved; the system can adapt to various different industries, different fields and different requirements, can carry out centralized and unified management on equipment and data, and solves the problems of centralized management and control on related instrument data and equipment in different workshops, different branch factories, different provinces and cities, and even different countries; the system can remotely access and acquire a required data report, check the equipment state and issue a control command at any time and any place, solves the problems of regular manual meter reading of enterprises, huge production data summarization and report and large data centralized storage, and has comprehensive functions.
The specific implementation mode can simultaneously carry out data acquisition and control on analog quantity, digital quantity and RS-485/232 bus type instruments and meters, is simple to install and use, greatly reduces the workload of field wiring construction through 4G wireless network transmission, and has practicability; the data are stored in the cloud server and are periodically subjected to local backup, the safety is high, the real-time performance is realized, the heartbeat package mechanism is started, the all-weather online of the 4G-DTU is ensured, the universality is strong, the compatibility with other related platforms is realized, the secondary development is supported, the adaptability is wide, the method is suitable for various fields and industries such as industry, agriculture, environmental protection, meteorology, energy and the like, and the market application prospect is wide.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A multifunctional data acquisition controller based on 4G-DTU wireless network transmission is characterized by comprising a 4G-DTU data wireless network transmission module (1), an AI/AO acquisition module (2), a DI/DO acquisition module (3), an RS-485/232 bus (4), a cloud server (5), a miniature circuit breaker (6), a DC 24V power supply (7) and a wiring terminal (8), wherein the AI/AO acquisition module (2) acquires data of an external sensor, the DI/DO acquisition module (3) acquires field digital quantity signal data, the RS-485/232 bus (4) acquires and controls the AI/AO acquisition module (2), the DI/DO acquisition module (3) and various field bus instruments, the 4G-DTU data wireless network transmission module (1) uploads all acquired data to the cloud server (5) through a 4G wireless network, and issuing the received control instruction; the cloud server (5) receives the data uploaded by the 4G-DTU, issues a control command, and performs classified management and storage on the data; the PC client (9) and the mobile phone APP (10) access a cloud database (11) of the cloud server (5) in real time through a wired or wireless network; signals and buses of the field instruments are connected through a wiring terminal (8), the miniature circuit breaker (6) controls power supply of equipment, and power supply is performed on the electrical elements and the field instruments through a DC 24V power supply (7).
2. The multifunctional data acquisition controller based on 4G-DTU wireless network transmission according to claim 1, wherein the 4G-DTU data wireless network transmission module (1) and the AI/AO acquisition module (2) as well as the DI/DO acquisition module (3) and the RS-485/232 bus (4) adopt standard Modbus protocol for communication, the 4G-DTU data wireless network transmission module (1) uploads all acquired data to the cloud database (11) of the cloud server (5) through the RS-485/232 bus (4), Modbus-ASCII or Modbus-RTU protocol, and the 4G-DTU data wireless network transmission module (1) issues control commands to the AI/AO acquisition module (2) through the RS-485/232 bus (4), Modbus-ASCII or Modbus-RTU protocol, And the DI/DO acquisition module (3) is used for realizing remote control on the field equipment.
3. The multifunctional data acquisition controller based on 4G-DTU wireless network transmission as claimed in claim 1, wherein said AI/AO collection module (2) collects and controls analog quantity data of various instruments on site, including but not limited to 8 AI channels and 4 AO channels, and the AI/AO collection module (2) collects analog quantity sensor data of temperature sensor, pressure sensor, liquid level sensor, frequency converter and proportional valve, and converts the data into standard digital signal.
4. The multifunctional data acquisition controller based on 4G-DTU wireless network transmission as claimed in claim 1, wherein the DI/DO acquisition module (3) is used for acquiring and controlling the on-off data of various field devices, and the DI/DO acquisition module (3) is used for acquiring the device operation states and control commands of a fan, a water pump and a unit, and converting the digital quantity state signals into standard digital signals, wherein the device operation states and control commands include but are not limited to 16 DI channels and 16 DO channels.
5. The multifunctional data acquisition controller based on 4G-DTU wireless network transmission as claimed in claim 1, wherein the meters for acquiring and controlling data by the RS-485/232 bus (4) comprise a flow meter, a heat meter, a multifunctional electric meter, a remote water meter, a remote gas meter, an integrating meter, a water quality monitoring meter, an environment monitoring meter, a hydrological meteorological monitoring meter and an agricultural monitoring meter.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112565682A (en) * | 2020-11-18 | 2021-03-26 | 江苏电子信息职业学院 | Teaching data collection system based on big data processing |
| CN113759803A (en) * | 2021-09-23 | 2021-12-07 | 西安铭创源机电科技有限公司 | Intelligent monitoring protection control electrical apparatus |
| CN113965828A (en) * | 2021-10-20 | 2022-01-21 | 山西三合企业管理有限公司 | Intelligent Internet of things gateway based on 4G communication |
| CN114726900A (en) * | 2022-03-11 | 2022-07-08 | 福州华纳信息科技有限公司 | Data management system and method |
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