CN110849486A - Temperature acquisition system implementation method based on RS485 bus communication - Google Patents
Temperature acquisition system implementation method based on RS485 bus communication Download PDFInfo
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- CN110849486A CN110849486A CN201911146567.9A CN201911146567A CN110849486A CN 110849486 A CN110849486 A CN 110849486A CN 201911146567 A CN201911146567 A CN 201911146567A CN 110849486 A CN110849486 A CN 110849486A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
The invention discloses a temperature acquisition system implementation method based on RS485 bus communication. The system comprises a computer host and a field temperature instrument, wherein the computer host is remotely connected with the field instrument through a serial port line and an RS485 bus to perform data transmission. Opening software, automatically detecting an available serial port and selecting a serial port corresponding to the concentrator for connection; the real-time interface comprises a real-time line graph, real-time data and a changeable table number; and a history interface, which selects query conditions, exports reports and prints reports. The temperature acquisition system based on RS485 bus communication is simpler, more convenient, faster and more easily controlled, and the working efficiency is improved. The data transmission device is used for carrying out data transmission based on the RS485 bus, and is time-saving and labor-saving.
Description
Technical Field
The invention relates to a temperature acquisition system, in particular to a temperature acquisition system implementation method based on RS485 bus communication.
Background
With the popularization of the society, the working modes of recording and counting the data of the instruments one by one from special working personnel to each site are gradually eliminated, and the traditional working mode of reading the instruments is not only lack of real-time performance, but also wastes time and manpower. At present, instruments on the market are various in types, and not every instrument is provided with 485 communication, so that the equipment cost during data acquisition is increased, and the acquisition process is complicated.
In order to solve the problem of the existing data acquisition, a temperature acquisition system for carrying out data transmission based on an RS485 bus is needed to be provided, remote communication is realized between a computer host and a field instrument through the RS485 bus, and data acquisition is carried out by staff one by one during realization, so that manpower and material resources are wasted, and the working efficiency is reduced, therefore, the temperature acquisition system capable of processing received data is provided, which is a necessary trend of technical development.
Disclosure of Invention
In view of the problems in the prior art, the invention provides a temperature acquisition system implementation method based on an RS485 bus. And sending the setting instruction to the field temperature instrument according to the RS485 bus communication protocol format, and feeding back the acquired data to an upper computer software interface. The RS485 bus communication is equipped for each instrument, so that the working mode that workers can collect and count the instrument data of each station in real time through an upper computer by sitting in front of a computer is more and more widely popularized and used.
The technical scheme adopted by the invention for realizing the purpose is as follows: a temperature acquisition system implementation method based on RS485 bus communication is characterized in that: the system comprises a computer host and a field temperature instrument, wherein the computer host is remotely connected with the field instrument through a serial port line and an RS485 bus to perform data transmission.
The implementation method of the invention comprises the following steps:
the method comprises the following steps that firstly, a computer host of the installed temperature acquisition system is opened, and a software interface displays a real-time line graph, real-time data, pipeline number selection and historical management data.
And secondly, opening computer host software of the installed temperature acquisition system, automatically detecting an available serial port by the software, and selecting a field instrument corresponding to serial port communication to realize remote communication connection.
Thirdly, after the telecommunication connection is successful, when the number of the table is not selected, displaying the real-time line graph and the real-time data of the number 01 table by default on an interface; after selecting other table numbers, the real-time line graph and the real-time data are changed according to the selected table numbers and displayed.
Fourthly, after clicking the historical management data, displaying a historical data interface; the historical data interface comprises a selection pipeline number, a starting time, an ending time, a export report and a print report.
And fifthly, selecting corresponding pipeline numbers, starting time and ending time as required, and inquiring corresponding obtained data.
And sixthly, clicking a report exporting button to export the searched data to an Excel form.
And seventhly, clicking a report printing button to print the searched data for data checking.
The beneficial effects produced by the invention are as follows: the temperature acquisition system based on RS485 bus communication is simpler, more convenient, faster and more easily controlled, and the working efficiency is improved. The data transmission device is used for carrying out data transmission based on the RS485 bus, and is time-saving and labor-saving.
Drawings
FIG. 1 is a system connection block diagram of the present invention;
FIG. 2 is a software flow diagram of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, a temperature acquisition system based on RS485 bus communication includes a computer host and a field temperature meter, and the computer host is remotely connected with the field meter through a serial port line and a 485 bus to perform data transmission.
The on-site temperature instrument of the system adopts a 4-20mA instrument and a 485 instrument.
As shown in fig. 2, a method for implementing a temperature acquisition system based on RS485 bus communication includes the following steps:
the method comprises the following steps of firstly, opening a computer host of the installed temperature acquisition system, and displaying a real-time line graph, real-time data, pipeline number selection and historical management data on a software interface.
And secondly, opening computer host software of the installed temperature acquisition system, automatically detecting an available serial port by the software, and selecting a field instrument corresponding to serial port communication to realize remote communication connection.
Thirdly, after the telecommunication connection is successful, when the number of the table is not selected, displaying the real-time line graph and the real-time data of the number 01 table by default on an interface; after selecting other table numbers, the real-time line graph and the real-time data are changed according to the selected table numbers and displayed.
Fourthly, after clicking the historical management data, displaying a historical data interface; the historical data interface comprises functions of selecting pipeline numbers, starting time and ending time, exporting reports and printing reports.
And fifthly, selecting corresponding pipeline numbers, starting time and ending time as required, and inquiring corresponding obtained data.
And sixthly, clicking a report exporting button to export the searched data to an Excel form.
And seventhly, clicking a report printing button to print the searched data for data checking.
Opening software, automatically detecting an available serial port and selecting a serial port corresponding to the concentrator for connection; the real-time interface comprises a real-time line graph, real-time data and a changeable table number; and a history interface, which selects query conditions, exports reports and prints reports. The system is simple and easy to understand, and has the advantages of rapidness, easy control and the like.
Claims (1)
1. A temperature acquisition system implementation method based on RS485 bus communication is characterized in that: the system comprises a computer host and a field temperature instrument, wherein the computer host is remotely connected with the field instrument through a serial port line and an RS485 bus to perform data transmission;
the implementation method comprises the following steps:
the method comprises the following steps that firstly, a computer host of an installed temperature acquisition system is opened, and a software interface displays a real-time line graph, real-time data, pipeline number selection and historical management data;
secondly, opening computer host software of the installed temperature acquisition system, automatically detecting an available serial port by the software, and selecting a field instrument corresponding to serial port communication to realize remote communication connection;
thirdly, after the telecommunication connection is successful, when the number of the table is not selected, displaying the real-time line graph and the real-time data of the number 01 table by default on an interface; after selecting other table numbers, the real-time line graph and the real-time data are changed according to the selected table numbers and displayed;
fourthly, after clicking the historical management data, displaying a historical data interface; the historical data interface comprises a selection pipeline number, a starting time, an ending time, a derived report and a printed report;
fifthly, selecting corresponding pipeline numbers, starting time and ending time as required, and inquiring corresponding obtained data;
sixthly, clicking a report exporting button to export the searched data to an Excel form;
and seventhly, clicking a report printing button to print the searched data for data checking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146567.9A CN110849486A (en) | 2019-11-21 | 2019-11-21 | Temperature acquisition system implementation method based on RS485 bus communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146567.9A CN110849486A (en) | 2019-11-21 | 2019-11-21 | Temperature acquisition system implementation method based on RS485 bus communication |
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| Publication Number | Publication Date |
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| CN110849486A true CN110849486A (en) | 2020-02-28 |
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| CN201911146567.9A Withdrawn CN110849486A (en) | 2019-11-21 | 2019-11-21 | Temperature acquisition system implementation method based on RS485 bus communication |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507030A (en) * | 2011-10-19 | 2012-06-20 | 青岛科技大学 | Portable lock-rotor temperature measuring device of motor |
| CN103017921A (en) * | 2012-10-24 | 2013-04-03 | 北京信息科技大学 | Networked multipoint temperature monitoring system and method for performing data communication between upper computer and same |
| US20130138379A1 (en) * | 2011-11-25 | 2013-05-30 | Kamal Singh Mahajan | Device Feedback Sensor Testing Methodology For Humidity And Temperature Probes |
| CN203465023U (en) * | 2013-08-28 | 2014-03-05 | 国家电网公司 | Power cable insulation fault on-line monitoring system based on single-chip microcomputer |
| CN205027464U (en) * | 2015-08-19 | 2016-02-10 | 扬州市金陵电子科技有限公司 | Remote meter reading system of calorimeters |
-
2019
- 2019-11-21 CN CN201911146567.9A patent/CN110849486A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507030A (en) * | 2011-10-19 | 2012-06-20 | 青岛科技大学 | Portable lock-rotor temperature measuring device of motor |
| US20130138379A1 (en) * | 2011-11-25 | 2013-05-30 | Kamal Singh Mahajan | Device Feedback Sensor Testing Methodology For Humidity And Temperature Probes |
| CN103017921A (en) * | 2012-10-24 | 2013-04-03 | 北京信息科技大学 | Networked multipoint temperature monitoring system and method for performing data communication between upper computer and same |
| CN203465023U (en) * | 2013-08-28 | 2014-03-05 | 国家电网公司 | Power cable insulation fault on-line monitoring system based on single-chip microcomputer |
| CN205027464U (en) * | 2015-08-19 | 2016-02-10 | 扬州市金陵电子科技有限公司 | Remote meter reading system of calorimeters |
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Application publication date: 20200228 |