CN109490486A - A kind of box gas Gas Generator Set multicomputer remote control monitoring system - Google Patents
A kind of box gas Gas Generator Set multicomputer remote control monitoring system Download PDFInfo
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- CN109490486A CN109490486A CN201811615205.5A CN201811615205A CN109490486A CN 109490486 A CN109490486 A CN 109490486A CN 201811615205 A CN201811615205 A CN 201811615205A CN 109490486 A CN109490486 A CN 109490486A
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- gas
- personal computer
- industrial personal
- monitoring
- generator set
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 abstract description 54
- 230000006870 function Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
- G01N33/0065—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means using more than one threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- 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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Immunology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Alarm Systems (AREA)
Abstract
The invention belongs to environmental monitoring technology fields, disclose a kind of gas jet dynamic control monitor control system.The system includes programmable controller, industrial personal computer, communication conversion module, the communications protocol of the system uses general MODBUS-RTU agreement, communication conversion module is used for RS232 protocol conversion into RS485 agreement, programmable controller is for accessing gas concentration sensor and smoke intensity sensor, and acquisition data are uploaded to industrial personal computer, industrial personal computer will acquire data and be compared with built-in data alarm limits, and when beyond highest alarm limits or lower than minimum alarm, industrial personal computer exports alarm command；User accesses industry control generator terminal by network ip address and obtains the box gas Gas Generator Set state of real time monitoring.The present invention realizes the monitoring, alarming to box type gas Site for Unit gas density, flue gas concentration, has the WEB issuing function based on Ethernet, realizes the monitoring of very-long-range unit, and system uses MODBUS bus structures, has extendable functions.
Description
Technical field
The invention belongs to environmental monitoring technology fields, are related to a kind of gas jet dynamic control monitor control system.
Background technique
Existing jet dynamic control remote monitoring system technology is that jet dynamic control is run to monitoring parameter from unit factory
On-site control cabinet in room accesses Control of Power Plant room by RS485 or RS232 communication, the system terminal computer in Control of Power Plant room
On can by industrial control software observe unit parameter, electrical parameter, and send the operational orders such as starting, shutdown, combined floodgate separating brake to
Generator set controller realizes corresponding function.
There is following in the application of box gas jet dynamic control for existing gas power station set remote monitoring system
It is insufficient:
1, for the detection Shortcomings of gas Gas Generator Set running environment.The fuel of gas Gas Generator Set is coal-bed gas
Gas, main component are methane, and it is a kind of dangerously explosive fuel gas that lower explosion limit, which is 5% concentration,.And jet dynamic control
All easily occurs the leakage of fuel gas in supply air line, pressure regulation butterfly valve, air inlet pre-compounding process etc. link, this requires unit
Safety measure has to handle properly.The sensing methane concentration device and smoke detectors in gas power station are installed in capital construction workshop before
It is interior, and the working environment of box gas Gas Generator Set, apart from the farther away outside of workshop, corresponding sensor is mounted in cabinet
Portion in order to facilitate cabling and reduces the loss of signal, needs for sensor signal to be integrated into remote monitoring system and transmit into monitoring room
Carry out the monitoring, alarming of methane leakage and fire alarm flue gas.
2, the parameter of general long-range unit monitoring system monitoring has engine thermal parameter, unit electrical parameter, gas to supply
The quantity of states such as atmospheric pressure, divide-shut brake feedback etc., but the gas density in gas power station is influenced by coal mine pumping quality, frequent occurrence
Concentration variation.And it is directed to the variation of coal seam gas concentration, unit air inflow is adjusted without corresponding control valve,
Unit itself can only be leaned on to carry out adaptation adjustment, often because the suddenly change of gas density causes the operation event of coal bed gas unit
Barrier.
3, with the development of network technology, user has higher requirement to the real-time convenience of system, to power station
Monitoring not only requires field maintenance person, and power station higher level department, jet dynamic control manufacturer, large-scale Electricity customers etc.
Personnel are intended to being capable of real-time monitoring unit operation conditions.And pervious system can only be that monitoring is realized in the local area network of power station, electricity
Situation report-back can only lean on the means such as phone report other than standing.
Summary of the invention
In view of the above technical problems, the invention proposes a kind of long-range monitoring of high-speed chamber gas jet dynamic control
System, flammable methane concentration monitoring, alarming is integrated in system, and smoke alarm detection has the control and regulation setting of concentration regulating valve
Function is supported the web issuing function based on Ethernet, easily can remotely be monitored in a browser.
In order to solve the above-mentioned technical problem, technical scheme is as follows:
A kind of box gas Gas Generator Set multicomputer remote control monitoring system, including programmable controller, industrial personal computer, communication turn
Block is changed the mold, the communications protocol of the system uses general MODBUS-RTU agreement, and communication conversion module is used for RS232 protocol conversion
At RS485 agreement, programmable controller is uploaded to for accessing gas concentration sensor and smoke intensity sensor, and by acquisition data
Industrial personal computer, industrial personal computer are compared data are acquired with built-in data alarm limits, when exceeding highest alarm limits or be lower than
When minimum alarm, industrial personal computer exports alarm command；User is box by network I P address access industry control generator terminal acquisition real time monitoring
Gas Gas Generator Set state.
Further, the industrial personal computer is also equipped with gas concentration monitoring adjustment function, by gas concentration and gas generator
Inlet air dish valve opening parameter is monitored control.
Advantageous effects of the invention:
The present invention is realized to the monitoring, alarming of box type gas Site for Unit gas density, flue gas concentration, is had based on ether
The WEB issuing function of net realizes the monitoring of very-long-range unit, and system uses MODBUS bus structures, has extendable functions, can
At most 8 parallel machine operation monitoring of addition.
Detailed description of the invention
Fig. 1 is composition schematic diagram of the invention；
Fig. 2 is to be configured in industry control generator terminal to network environment.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, gas power station set remote monitoring system includes including programmable controller, industrial personal computer, communication
Conversion module, the communications protocol of the system use general MODBUS-RTU agreement, and communication conversion module is used to turn RS232 agreement
Change RS485 agreement into, programmable controller is uploaded for accessing gas concentration sensor and smoke intensity sensor, and by acquisition data
To industrial personal computer, industrial personal computer is compared data are acquired with built-in data alarm limits, when exceeding highest alarm limits or low
When minimum alarm, industrial personal computer exports alarm command；User accesses industry control generator terminal by network I P address and obtains real time monitoring case
Formula gas Gas Generator Set state.
1, system structure forms
Determine that universe network is laid out, communications protocol uses general MODBUS-RTU agreement, and slave station is added after ensure that
Scalability.It is designed as more units being monitored and being operated, it is contemplated that RS485 is mode bus, if only with one
Communication line, is easy that whole network is made to break down in device fails, and design uses two communication lines, can reduce
Because of the risk that a unit communication failure causes whole network system can not work normally, the reliability of system is improved.It adopts simultaneously
Upper layer monitoring data and to the response of lower level operations can be refreshed as early as possible with the design of two communication lines, since RS485 bus is
Polling type reports, and bus slave station is more, and communication cycle is longer, and Refresh Data and corresponding time are longer.
Measurement and alarm for gas density and smoke intensity pass through sensor detection signal and alarm stopping signal, concentration
Signal output changes into master die analog quantity signal by conversion circuit, alarms and exports for on-off model, selects at suitable signal
Manage module and carry out signal acquisition and output, data/address bus is accessed by RS485 interface, communication be uploaded to upper layer active station show with
Alarm.Fig. 1 is the network structure of two unit application examples.
2, gas concentration is adjusted
Device in Gas main component be methane, but in jet dynamic control working concentration needs guarantee within the scope of, because
This installs air butterfly valve additional at air inlet pipe to guarantee mixed gas concentration range, if concentration variation is less, Gas Generator Set itself combustion control
System will do it fine tuning and guarantee that unit operates normally, if concentration changes greatly, unit remote control monitoring system is fired
Gas concentration setting and the adjustment of air dish valve opening are to be adapted to.In response to this, increase gas concentration prison on industrial personal computer
Adjustment function is surveyed, gas concentration and gas generator inlet air dish valve opening parameter are monitored control.Basic principle is
As gas concentration variation range carries out the adjustment of air valve opening limitation, guarantee that methane concentration exists in gas gaseous mixture when work
It is required that 10% to 20% range in.When gas density is low, reduces air valve opening and limit range, air inlet amount is allowed to subtract
It is small, mixer methane concentration is increased, otherwise increases air valve open range.It realizes and allows Field Force in control room according to concentration
Situation of change adjusts air valve opening stroke, reduces adjustment time, guarantees the reliability service of gas engine.
3, web Web Publishing function
Optimized for telecommunication network web issuing function, in software by designed system program recompilate at
Based on the web page of htm l language, raw process parameter data library is redefined and is linked as web site database, to wi ndows
Operating system carries out the configuration of i nternet information service (I I S), configures the station to be issued for the program page finished
Point finally carries out the setting of I P address and port, runs web release process in program end after configuration is good, be achieved that public
Real-time web issuing function under network condition.At this moment browser is opened on far-end computer, address field inputs server publication
Network I P address and port can monitor set state in real time.Fig. 2 is to be configured in industry control generator terminal to network environment.
The above is only preferred embodimentsa of the invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement and deformations can also be made, these improvement and deformations are also answered
This is considered as protection scope of the present invention.
Claims (2)
1. a kind of box gas Gas Generator Set multicomputer remote control monitoring system, which is characterized in that including programmable controller, industry control
Machine, communication conversion module, the communications protocol of the system use general MODBUS-RTU agreement, and communication conversion module is used for will
At RS485 agreement, programmable controller is used to access gas concentration sensor and smoke intensity sensor, and will for RS232 protocol conversion
Acquisition data are uploaded to industrial personal computer, and industrial personal computer will acquire data and be compared with built-in data alarm limits, when beyond highest
Alarm limits or be lower than minimum alarm when, industrial personal computer export alarm command；User accesses industry control generator terminal by network I P address and obtains
Take the box gas Gas Generator Set state of real time monitoring.
2. box gas Gas Generator Set multicomputer remote control monitoring system as described in claim 1, which is characterized in that the industry control
Machine is also equipped with gas concentration monitoring adjustment function, and gas concentration and gas generator inlet air dish valve opening parameter are supervised
Observing and controlling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615205.5A CN109490486A (en) | 2018-12-27 | 2018-12-27 | A kind of box gas Gas Generator Set multicomputer remote control monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615205.5A CN109490486A (en) | 2018-12-27 | 2018-12-27 | A kind of box gas Gas Generator Set multicomputer remote control monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109490486A true CN109490486A (en) | 2019-03-19 |
Family
ID=65712667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811615205.5A Pending CN109490486A (en) | 2018-12-27 | 2018-12-27 | A kind of box gas Gas Generator Set multicomputer remote control monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109490486A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955273A (en) * | 2019-12-13 | 2020-04-03 | 普创新能源动力科技有限公司 | Gas concentration self-adaptive control method for gas generator set |
| CN112087529A (en) * | 2020-09-30 | 2020-12-15 | 山西凯嘉煤层气发电有限公司 | Remote data monitoring system for gas turbine generator set |
-
2018
- 2018-12-27 CN CN201811615205.5A patent/CN109490486A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955273A (en) * | 2019-12-13 | 2020-04-03 | 普创新能源动力科技有限公司 | Gas concentration self-adaptive control method for gas generator set |
| CN112087529A (en) * | 2020-09-30 | 2020-12-15 | 山西凯嘉煤层气发电有限公司 | Remote data monitoring system for gas turbine generator set |
| CN112087529B (en) * | 2020-09-30 | 2024-05-28 | 山西凯嘉煤层气发电有限公司 | Remote data monitoring system for gas turbine generator set |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190319 |