CN208313999U - A kind of silica analyzer monitoring system - Google Patents
A kind of silica analyzer monitoring system Download PDFInfo
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- CN208313999U CN208313999U CN201820348362.3U CN201820348362U CN208313999U CN 208313999 U CN208313999 U CN 208313999U CN 201820348362 U CN201820348362 U CN 201820348362U CN 208313999 U CN208313999 U CN 208313999U
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- China
- Prior art keywords
- conversion module
- silica
- analyzer
- data acquisition
- dcs system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a kind of silica analyzer monitoring systems, the system includes: the silica analyzer equipment installed at the scene, three parts of data acquisition A/D conversion module and DCS system, the data acquisition A/D conversion module 2 is mounted on silica analyzer device context (8), several silica analyzers (1) are connected on data acquisition A/D conversion module (2) by A/D conversion module and analyzer signal cable (5), use MODBUS communication cable (6) connection data acquisition A/D conversion module (2) and DCS system (3)；It is connect between middle control operation computer (4) and DCS system (3) using ethernet communication.The utility model allows producers being remotely monitored analyzer using the method for relative moderate, and reduced equipment investment cost has saved the human cost of use process.
Description
Technical field
The present invention relates to measurement, test, specifically a kind of silica analyzer monitoring systems.
Background technique
At present on the market to the long-range monitoring of silica analyzer, be all using the one-to-one mode of signal, that is,
Several analyzers just need several groups of signal cable signal to be transferred to long-range DCS system or digital indicator.It is such
Design just will increase the cost of signal cable and the cost of construction, and daily signal fault rate is also increased because route is more.
The control system for the integral type that traditional design is generally formed using field instrument, PLC, operation panel.PLC's
It controls lower site analysis device analyze the various composition in flue gas, and forms data and be presented on local operation panel
On, operations staff carries out observation data, the work such as calibration analyzer by operation panel.
Data acquisition A/D conversion module may be implemented the analog signal of multichannel silica to put together, isolation conversion
It is exported at RS-485 interface, with MODBUS agreement, multiple groups signal concentration of transmissions to long-range DCS system or digital indicator
Do display monitoring.
Modbus agreement is applied to a kind of all-purpose language on electronic controller.By this agreement, controller mutually it
Between, controller can communicate via between network (such as Ethernet) and other equipment.It has become a current industry standard.
There is it, the control equipment of different vendor's production can be linked to be industrial network, carry out Centralized Monitoring.This protocol defines a controls
Device processed can recognize the message structure used, but regardless of them be communicated by which kind of network.It describes a controller
The process of other equipment is requested access to, if responding the request from other equipment, and mistake how is detected and records.It makes
The common format of message field layout and content is determined.When communicating on a Modbus network, this agreement determines each control
Device need know their device address, identify the message sent by address, which kind of action decision will generate.If necessary to return
It answers, controller will generate feedback information and be issued with Modbus agreement.On other networks, the message of Modbus agreement is contained
Be converted to the frame or pack arrangement used over the network.This conversion is also extended according to specific network solution location, road
By path and the method for error detection.
Summary of the invention
The purpose of this utility model is to provide a kind of silica analyzer monitoring system for existing system complex circuit.
Realize the technical solution of the utility model aim: a kind of silica analyzer monitoring system includes: pacifying at the scene
Tri- the silica analyzer equipment of dress, data acquisition A/D conversion module and DCS parts, the data acquisition A/D modulus of conversion
Block is mounted on the scene of silica analyzer equipment, and several silica analyzers are passed through A/D conversion module and analysis
Instrument signal cable is connected on data acquisition A/D conversion module, uses a shielded cable (MODBUS communication cable) connection number
According to acquisition A/D conversion module and DCS system, connected between middle control operation computer and DCS system using ethernet communication.
The utility model makes corresponding operation picture in DCS system, sets system and data acquisition A/D modulus of conversion
The parameter of block realizes the information exchange of two systems by MODBUS communications protocol.Between middle control operation computer and DCS system
Signal transmission is carried out using TC/IP agreement, middle control personnel can observe that silica is analyzed in real time on middle control operation screen
The detection data of instrument, so that middle control operator be allowed to instruct technological operation.
Using the utility model complex circuit of solving the problems, such as over, daily trouble shooting judgement is also easier.
Meanwhile A/D conversion module only needs a two core shielded cable costs of investment very low to DCS system, reduces equipment investment cost,
The human cost of use process is also saved simultaneously.In addition, this design can be used in other instrument fields, can not only solve
The cost of investment of the cable certainly transmitted at a distance, also reduce because complex circuit and caused by signal fault rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- silica analyzer；2-A/D conversion module；3-DCS system；Control operation computer in 4-；5-A/D turns
Change the mold block and analyzer signal cable；6-MODBUS communication cable；7- ethernet netting twine；8- device context；Operating room is controlled in 9-.
Specific embodiment
Certain company's water treatment facilities has used more set silica analyzers to go out the dioxy in saliva to anion exchanger
SiClx carries out on-line analysis.
According to initial design, the instrument of every analyzer is independently arranged signal cable and is transferred to DCS system, daily
Find that route breakage is more in maintenance process, failure rate is higher, therefore transmits to the signal of this few set silica analyzer and be
System is transformed, and the embodiment of the utility model is used.
Silica analyzer 1 is connected to data acquisition A/D by A/D conversion module and analyzer signal cable 5 to turn
It changes the mold on block 2, the current signal of the analog quantity of the 4-20mA of every silica analyzer 1 at scene is concentrated in order and is connected to
A/D conversion module 2, and set every matched measuring range parameters 0-100 microgram of analysis；Use a MODBUS communication cable 6
Data acquisition A/D conversion module 2 and DCS system 3 are connected, MODBUS communication needs A/D conversion module parameter is opposite with DCS
It answers, it is consistent to set both sides' communication format are as follows: RTU, mode RS-485, baud rate: 19200bit/s stop position: 1 bit check
Mode: odd.7 communication connection of ethernet netting twine is used between middle control operation computer 4 and DCS system 3.In DCS system 3
Silica analyzer display box is devised on control operation screen, the operation screen that operator just passes through DCS system can be right
Analyzer remotely monitors, timely adjusting process operation.
Claims (1)
1. a kind of silica analyzer monitoring system, it is characterized in that the system includes: the silica analysis installed at the scene
Three parts of instrument equipment, data acquisition A/D conversion module and DCS system, the data acquisition A/D conversion module (2) are mounted on
Silica analyzer device context (8) believes several silica analyzers (1) by A/D conversion module and analyzer
Number cable (5) is connected on data acquisition A/D conversion module (2), uses MODBUS communication cable (6) connection data acquisition
A/D conversion module (2) and DCS system (3)；It is connect between middle control operation computer (4) and DCS system (3) using ethernet communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348362.3U CN208313999U (en) | 2018-03-14 | 2018-03-14 | A kind of silica analyzer monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348362.3U CN208313999U (en) | 2018-03-14 | 2018-03-14 | A kind of silica analyzer monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313999U true CN208313999U (en) | 2019-01-01 |
Family
ID=64720151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820348362.3U Active CN208313999U (en) | 2018-03-14 | 2018-03-14 | A kind of silica analyzer monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313999U (en) |
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2018
- 2018-03-14 CN CN201820348362.3U patent/CN208313999U/en active Active
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