CN215420595U - Communication system for transmitting flue gas dust removal data in RS485 communication mode - Google Patents
Communication system for transmitting flue gas dust removal data in RS485 communication mode Download PDFInfo
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- CN215420595U CN215420595U CN202121672197.5U CN202121672197U CN215420595U CN 215420595 U CN215420595 U CN 215420595U CN 202121672197 U CN202121672197 U CN 202121672197U CN 215420595 U CN215420595 U CN 215420595U
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Abstract
The utility model discloses a communication system for transmitting flue gas dust removal data in an RS485 communication mode, which comprises a monitor and an RS 232-to-485 module, wherein the monitor is communicated with a dust removal environment-friendly data acquisition measuring instrument, and the RS 232-to-485 module is in communication connection with an RS232 serial port end of the monitor; the output end of the RS 232-485 conversion module is connected to the 485 module through a communication cable; the output end of the 485 module is connected to a communication port of a DPU of the DCS; the DPU is in communication connection with an operation station of a central control room through the Ethernet. The communication system transmits the flue gas dust removal data in the RS485 communication mode, transmits signals from the field monitor to the DCS through the RS485 communication, and has the advantages of strong anti-interference capability, stable data, simple operation, easy implementation, quick response and short construction period.
Description
Technical Field
The utility model relates to a communication system, in particular to a communication system for transmitting flue gas dust removal data in an RS485 communication mode, and belongs to the technical field of communication systems.
Background
According to the national environmental protection requirement, a detection instrument for sulfur dioxide and nitrogen oxide is newly installed, and because the dust removal environmental protection data needs to be checked and recorded by an operator at regular intervals in an analysis cabin, the running state and the environmental protection index of the equipment cannot be mastered in real time, so that the data lag is caused; under the new situation that the current environmental protection situation is increasingly severe, higher management requirements are provided for online real-time monitoring data, and the operation data and the equipment operation situation need to be mastered in real time.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a communication system for transmitting flue gas dust removal data in an RS485 communication mode, signals are transmitted to a dcs system from a field monitor through RS485 communication, the anti-interference capability is strong, and the data are stable.
The communication system for transmitting the flue gas dust removal data in the RS485 communication mode comprises a monitor which is communicated with a dust removal environment-friendly data acquisition measuring instrument, the acquired data of a field monitor is based on the data transmitted by the field acquisition instrument or an analysis instrument, the field monitor is provided with a special system, the system can be used for acquiring, processing and transmitting the data to the outside, and the system is the prior art and is not detailed again; the device also comprises an RS 232-485 conversion module which is in communication connection with the 232 serial port end of the monitor and converts the 232 serial port of the monitor into a 485 communication mode; the output end of the RS 232-485 conversion module is connected to the 485 module through a communication cable; the output end of the 485 module is connected to a communication port of a DPU of the DCS; the DPU is in communication connection with an operation station of a central control room through the Ethernet.
Further, the DPU communicates with an industrial personal computer of the operation station through the Ethernet.
Furthermore, the device also comprises a data transmission testing module; and the RS 232-485 conversion module is connected to the data transmission test module before being connected to the 485 module.
Furthermore, the data transmission test module is a programmed computer for displaying channel data in real time.
Compared with the prior art, the communication system for transmitting the flue gas dust removal data in the RS485 communication mode transmits the signals from the field monitor to the DCS through the RS485 communication, and has the advantages of strong anti-interference capability, stable data, simple operation, easy implementation, quick response and short construction period.
Drawings
Fig. 1 is a schematic structural diagram of a communication system according to the present invention.
Fig. 2 is a schematic diagram of a test structure of the communication system of the present invention.
Fig. 3 is a schematic diagram of a test structure of the communication system of the present invention.
Detailed Description
Example 1:
the communication system for transmitting flue gas dust removal data in an RS485 communication manner as shown in fig. 1 includes a monitor communicating with a measurement instrument for collecting dust removal environmental protection data, the collected data of a field monitor is based on the data transmitted by a field collection instrument or an analysis instrument, the field monitor is configured with a special system, and the system can perform the functions of data collection, processing, external transmission and the like, and is the prior art, and is not described in detail herein; the device also comprises an RS 232-485 conversion module which is in communication connection with the 232 serial port end of the monitor and converts the 232 serial port of the monitor into a 485 communication mode; the output end of the RS 232-485 conversion module is connected to the 485 module through a communication cable; the output end of the 485 module is connected to a communication port of a DPU of the DCS; the DPU is in communication connection with an operation station of a central control room through the Ethernet.
The DPU is communicated with an industrial personal computer of an operation station through the Ethernet; the device also comprises a data transmission testing module; the RS 232-485 conversion module is connected to the data transmission test module before being connected to the 485 module; the data transmission testing module is a programming computer for displaying channel data in real time.
The RS485 communication transmission has the core technology mainly for communication problem, as long as the communication is smooth, the data can be normally sent and received, the data acquisition and transmission and the terminal software configuration are all mature modules, the data is uploaded to a monitor through a measuring instrument, the monitor is provided with 6 COM ports, the remote output information can be set through the software of the monitor, as shown in figure 3, the address setting and modification are carried out on a data channel, after the setting is completed, a 232-to-485 module can be connected to a 232-to-485 communication module of a data transmission testing module through the set COM ports, the test can be carried out after the connection is completed, the test is carried out by utilizing a serial port debugging tool to carry out the communication test, the data of a plurality of channels are read, the channel address and data information are tested, the accuracy, the real-time performance and the synchronism of the data are checked, and through the read data, then, according to an MODBUS communication protocol, the vb can be used for carrying out visual processing, online eight-channel data are displayed in real time, and the display on a programming computer is consistent with that of the field monitoring host; the real-time performance and the accuracy of the data can be judged by judging whether the display data are consistent or not; for reading data, the MODBUS communication protocol can be utilized for visualization processing, and the application is mature in the prior art, and is not detailed herein; in the communication test process, all address information cannot be read through MODSCAN software, and the condition of incomplete data occurs, so that in order to solve the problem, the output channel address of the field monitor is modified and configured again, the register address is within 100, and all channel information can be displayed in the MODSCAN software conveniently; after the data test is finished, data transmission application can be carried out, the data transmission application is directly connected to the 485-to-232 conversion module through the COM6, the data are transmitted to the DPU through the 485-to-232 conversion module, the DPU transmits the data to an operation station of a main control room through the Ethernet, the data can be monitored by an operator on duty for 24 hours, meanwhile, a history curve can be established by using the software platform, and information such as alarm is set for daily management and operation and maintenance.
The above-described embodiments are merely preferred embodiments of the present invention, and all equivalent changes or modifications of the structures, features and principles described in the claims of the present invention are included in the scope of the present invention.
Claims (4)
1. The utility model provides a communication system through RS485 communication mode transmission flue gas dust removal data, includes the monitor with gather dust removal environmental protection data measuring instrument communication, its characterized in that: the device also comprises an RS 232-485 conversion module which is in communication connection with the RS232 serial port end of the monitor; the output end of the RS 232-485 conversion module is connected to the 485 module through a communication cable; the output end of the 485 module is connected to a communication port of a DPU of the DCS; the DPU is in communication connection with an operation station of a central control room through the Ethernet.
2. The communication system for transmitting flue gas dedusting data by the RS485 communication mode as claimed in claim 1, wherein: and the DPU is communicated with an industrial personal computer of the operation station through the Ethernet.
3. The communication system for transmitting flue gas dedusting data by the RS485 communication mode as claimed in claim 1, wherein: the device also comprises a data transmission testing module; and the RS 232-485 conversion module is connected to the data transmission test module before being connected to the 485 module.
4. The communication system for transmitting flue gas dedusting data by the RS485 communication mode as claimed in claim 3, wherein: the data transmission testing module is a programming computer for displaying channel data in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672197.5U CN215420595U (en) | 2021-07-22 | 2021-07-22 | Communication system for transmitting flue gas dust removal data in RS485 communication mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672197.5U CN215420595U (en) | 2021-07-22 | 2021-07-22 | Communication system for transmitting flue gas dust removal data in RS485 communication mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215420595U true CN215420595U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202121672197.5U Active CN215420595U (en) | 2021-07-22 | 2021-07-22 | Communication system for transmitting flue gas dust removal data in RS485 communication mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215420595U (en) |
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2021
- 2021-07-22 CN CN202121672197.5U patent/CN215420595U/en active Active
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