CN104637283A - Stm 32-based wireless industrial data acquisition terminal - Google Patents
Stm 32-based wireless industrial data acquisition terminal Download PDFInfo
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- CN104637283A CN104637283A CN201510052339.0A CN201510052339A CN104637283A CN 104637283 A CN104637283 A CN 104637283A CN 201510052339 A CN201510052339 A CN 201510052339A CN 104637283 A CN104637283 A CN 104637283A
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Abstract
The invention relates to a data acquisition terminal and in particular relates to a stm 32-based wireless industrial data acquisition terminal. The data acquisition terminal comprises a central processing unit, a data acquisition module, a local storage module, a wireless transmission module and a power module, wherein the central processing unit refers to a stm 32 single-chip and can control the data acquisition module, the local storage module and the wireless transmission module so as to finish the functions of data acquisition, intermediate processing and remote transmission; the data acquisition module provides a communication interface suitable for an external industrial field; the local storage module provides storage equipment such as SD cards capable of performing local storage; and the wireless transmission module provides multiple wireless transmission modes such as GPRS and 3G. The data acquisition terminal disclosed by the invention has the positive effects that real-time acquisition, local storage and remote transmission of the industrial data can be realized in remote unmanned control industrial fields, the wireless transmission can be performed in relatively complicated industrial fields and external environments, and the data acquisition terminal is compact in structure, small in overall size and convenient to mount.
Description
[technical field]
The present invention relates to a kind of data collection station, particularly a kind of industrial data wireless acquisition terminal based on stm32.
[background technology]
In recent years, along with the extension of industrial process scale and region and complicated, industrial process relates to increasing equipment and changeable industrial fact, contains complex environment and status information.These environment and status information have very large directive significance and researching value for the real-time monitoring of industrial process and follow-up failture evacuation and product renewing.So the collection can carrying out real time data to from far-off regions or that circumstance complication is regional industry spot stores and monitoring becomes more and more important.
Because the problems referred to above, the present inventor enriches ear practical experience and professional knowledge for many years based on being engaged in this type of product design manufacture, and coordinate reasonably application, actively in addition research and innovation, in the hope of designing a kind of industrial data wireless acquisition terminal based on stm32, the limitation of general existing data monitoring can be improved, make it have more practicality.Pass through constantly research, design, and after repeatedly testing and improving, finally draw the present invention having much use value.
[summary of the invention]
The object of the invention is to the limitation overcoming the transmission of existing commercial production Information Collecting & Processing, optimize collection and the process of commercial production information, so that the process of industrial research and fault, for safety in production and product up-gradation provide technical guarantee.
Another object of the present invention is, provides a kind of industrial data wireless acquisition terminal based on stm32, adopts wireless way for transmitting data, can implement, break through the restriction of region, and break through the limitation of wire transmission in the industry spot that complexity is remote.
The object of the invention to solve the technical problems realizes by the following technical solutions.The industrial data wireless acquisition terminal of a kind of stm32 proposed according to the present invention, described data collection station comprises the 5 modules such as central processing unit, data acquisition module, local memory module, wireless transport module and power module; Described central processing unit adopts stm32 single-chip microcomputer, can control the collection of data, intermediate treatment and remote transmission function to data acquisition module, local memory module and wireless transport module; Described data acquisition module provides the on-the-spot suitable communication interface with external industrial; Described local memory module provides can the local memory device stored, as SD card; Described wireless transport module provides multiple wireless transmission method, as GPRS, 3G etc.
System work process is:
(1), central processing unit receives the acquisition that remote server is come by wireless network transmissions.
(2), central processing unit to command analysis, and sends data acquisition request by data acquisition module to industrial field device.
(3), industrial field device is made request and is replied and return institute's request msg.
(4), central processing unit first stores obtained data and pre-service before remote transmission, as by the front and back joining day of data stamp and frame head postamble to reach transmission time data validity and resolvability.
Data packet format during described wireless transmission or host-host protocol are by consulting rear independent research with the application program of server end.
[accompanying drawing explanation]
In conjunction with reference accompanying drawing and ensuing detailed description, the present invention will be easier to understand, and Fig. 1 is the structural representation of the industrial data wireless acquisition terminal that the present invention is based on stm32.
[embodiment]
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, be divided into that hardware is selected, the present invention is further detailed explanation for software function and system works step 3 part below in conjunction with the drawings and specific embodiments.This embodiment is carried out for Siemens S7-200PLC.
Hardware is selected:
Described CPU module selects the single-chip microcomputer of stm32f103c8 model, described data acquisition module selects RS485 interface circuit, described local memory module adopts the MicroSD card of 8G, described wireless transport module selects the GPRS communication module of ZTE Corporation MG2639 model, described power module select 24V input to convert 5V and 3.3V to through mu balanced circuit power supply for system in each module.
Software function:
Software programming uses KEIL programming software, realizes data acquisition, local storage and remote transmission three functions.Described data acquisition function refers to that stm32 single-chip microcomputer sends the reading data command meeting PPI agreement to S7-200PLC by RS485 interface.After described local storage function refers to that stm32 single-chip microcomputer receives the data that S7-200PLC returns, in SD card, write data with crossing the FATFS file system of transplanting.Described remote transmission function refers to that stm32 single-chip microcomputer is sent to remote server by the AT instruction of GPRS module after adding necessary communications protocol format before and after the data received, and it should be noted that communication protocol and server-side application consult rear independent research.
System works step:
(1), stm32 single-chip microcomputer receives the acquisition that remote server is come by wireless network transmissions.
(2), stm32 single-chip microcomputer to command analysis, and sends PPI protocol instructions data acquisition request by RS485 interface module to S7-200PLC.
(3), S7-200PLC makes request and replys and return institute's request msg.
(4), stm32 single-chip microcomputer first stores obtained data and pre-service before remote transmission, as by the front and back joining day of data stamp and frame head postamble to reach transmission time data validity and resolvability.
By above-mentioned instantiation, the present invention is based on the industrial data wireless acquisition terminal of stm32, realization that can be accurately complete to S7-200PLC be controller industry spot industrial data Real-time Collection, locally to store, the function of remote transmission.
It should be noted that: what above-described embodiment provided is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention.
Above-mentioned instantiation fully discloses the specific embodiment of the present invention.It is pointed out that the scope be familiar with person skilled in art and any change that the specific embodiment of the present invention is done all do not departed to claims of the present invention.Correspondingly, the scope of claim of the present invention is also not limited only to described embodiment.
Claims (6)
1., based on an industrial data wireless acquisition terminal of stm32, described data collection station comprises the 5 modules such as central processing unit, data acquisition module, local memory module, wireless transport module and power module; Described central processing unit adopts stm32 single-chip microcomputer, can control the collection of data, intermediate treatment and remote transmission function to data acquisition module, local memory module and wireless transport module; Described data acquisition module provides the on-the-spot suitable communication interface with external industrial; Described local memory module provides can the local memory device stored, as SD card; Described wireless transport module provides multiple wireless transmission method, as GPRS, 3G etc.
System work process is:
(1), central processing unit receives the acquisition that remote server is come by wireless network transmissions.
(2), central processing unit to command analysis, and sends data acquisition request by data acquisition module to industrial field device.
(3), industrial field device is made request and is replied and return institute's request msg.
(4), central processing unit carries out this locality storage and remote transmission to obtained data.
2. a kind of industrial data wireless acquisition terminal based on stm32 according to claim 1, is characterized in that described central processing unit adopts the design of stm32 microcomputer development, kernel software independent research.
3. a kind of industrial data wireless acquisition terminal based on stm32 according to claim 1, is characterized in that using wireless way for transmitting industry image data.
4. a kind of industrial data wireless acquisition terminal based on stm32 according to claim 1, is characterized in that described wireless transmission can use multiple wireless transmission method, as GPRS, 3G etc.
5. a kind of industrial data wireless acquisition terminal based on stm32 according to claim 1, is characterized in that image data can be carried out this locality stores, by real-time data memory, can ensure the integrality of historical data when not needing remote transmission.
6. a kind of industrial data wireless acquisition terminal based on stm32 according to claim 1, is characterized in that remote transfer protocol is by consulting rear independent research with server-side application, ensures the integrality of data and easy analyticity.
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| CN201510052339.0A CN104637283A (en) | 2015-01-30 | 2015-01-30 | Stm 32-based wireless industrial data acquisition terminal |
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| CN201510052339.0A CN104637283A (en) | 2015-01-30 | 2015-01-30 | Stm 32-based wireless industrial data acquisition terminal |
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| CN106210086A (en) * | 2016-07-18 | 2016-12-07 | 南京中节涛创能源科技有限公司 | A kind of Intelligent Data Collection System Terminal system calculated based on mist |
| CN106257874A (en) * | 2016-08-01 | 2016-12-28 | 上海海事大学 | Big data quantity remote collection method and system in a kind of unstable network |
| CN106597932A (en) * | 2016-12-02 | 2017-04-26 | 江苏工程职业技术学院 | Rubber and plastic machine intelligence monitoring system based on cloud calculating platform |
| CN107203200A (en) * | 2017-06-19 | 2017-09-26 | 吉林省利源智能机械制造有限公司 | A kind of method and system of long-range monitoring garage failure |
| CN107370608A (en) * | 2017-09-05 | 2017-11-21 | 哈尔滨理工大学 | A kind of industrial telecommunication platform based on 4G |
| CN107681788A (en) * | 2017-11-14 | 2018-02-09 | 广东电网有限责任公司电力科学研究院 | A kind of larger power user electricity consumption data acquisition method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106210086A (en) * | 2016-07-18 | 2016-12-07 | 南京中节涛创能源科技有限公司 | A kind of Intelligent Data Collection System Terminal system calculated based on mist |
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| CN106597932A (en) * | 2016-12-02 | 2017-04-26 | 江苏工程职业技术学院 | Rubber and plastic machine intelligence monitoring system based on cloud calculating platform |
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Application publication date: 20150520 |