CN201853125U - Water treatment bus control system for thermal power plant - Google Patents
Water treatment bus control system for thermal power plant Download PDFInfo
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- CN201853125U CN201853125U CN2010205917457U CN201020591745U CN201853125U CN 201853125 U CN201853125 U CN 201853125U CN 2010205917457 U CN2010205917457 U CN 2010205917457U CN 201020591745 U CN201020591745 U CN 201020591745U CN 201853125 U CN201853125 U CN 201853125U
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- water treatment
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- bus
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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 water treatment bus control system for a thermal power plant, which comprises an upper computer, programmable logic controllers (PLC), intelligent filed equipment, redundancy fiber optic ring networks, a Y-LINK and a DP (Data Processing)/PA (Program Analysis)-LINK, wherein the redundancy fiber optic ring networks are connected with the PLCs and connected with the Y-LINK and the DP/PA-LINK through a redundancy Profibus-DP bus; the intelligent filed equipment comprises DP slave station equipment and a PA instrument; the DP slave station equipment is connected with the Y-LINK through the redundancy Profibus-DP bus; and the PA instrument is connected with the DP/PA-LINK through a Profibus-PA bus. By introducing a Profibus control technology, the utility model has the advantages of scientific management, small occupied area and less investment, and is simple for installation, simple and easy for construction and convenient for maintenance.
Description
Technical field
The utility model relates to a kind of control system, particularly a kind of fuel-burning power plant water treatment bus control system.
Background technology
Traditional PLC, DCS system still are the analog to digital commingled system that digitial controller and analog transmitter are formed on physical arrangement, in face of huge fuel-burning power plant water treatment system, the difficult multiparameter that realizes of conventional P LC is regulated and multifunctional management, and traditional DCS function is disperseed can not fine reduction construction costs.Traditional PLC, DCS system have all considered Long-distance Control in a large number aspect system design, such as Long-distance Control station, remote I/O cabinet, on the spot electrical control cubicles etc. dispersed placement and use remote terminal, long-distance intelligent to gather strategies such as front end, though these measures have reduced the use of mounting material (cable, crane span structure etc.) to a certain extent, but the change of matter does not take place on system's connected mode and communication modes, do not change the connection of signal " point-to-point ", area occupied is big, device design, installation and maintenance cost height, the engineering construction progress is long.
The utility model content
The purpose of this utility model is, a kind of fuel-burning power plant water treatment bus control system is provided, and it introduces Field Bus Control Technology, the advantage that have management science, take up an area of little, small investment, installation is simple, construction is simple and easy, easy to maintenance.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: fuel-burning power plant water treatment bus control system, comprise host computer, PLC and smart devices, and also comprise slack looped network, Y-LINK and DP/PA-LINK;
The slack looped network is connected with PLC;
Y-LINK links to each other with the slack looped network by redundant Profibus-DP bus with DP/PA-LINK;
Smart devices comprises that DP is from station equipment and PA instrument; DP links to each other with Y-LINK by the Profibus-DP bus from station equipment; The PA instrument links to each other with DP/PA-LINK by the Profibus-PA bus.
In the aforesaid fuel-burning power plant water treatment bus control system, host computer comprises operator station and engineer station.
In the aforesaid fuel-burning power plant water treatment bus control system, host computer links to each other with PLC by Industrial Ethernet.
In the aforesaid fuel-burning power plant water treatment bus control system, PLC adopts Siemens S7400 series redundant PLC to constitute two-node cluster hot backup.
In the aforesaid fuel-burning power plant water treatment bus control system, the slack looped network is connected and composed by optical fiber link module OLM and optical fiber.
In the aforesaid fuel-burning power plant water treatment bus control system, DP comprises distributed I/O slave station from station equipment, and the data-signal that is used to import the smart devices collection is to PLC, and PLC is again the output channel output of signal by distributed I/O slave station.
Described DP also comprises ultrasonic level gage, electromagnetic flowmeter, valve island and ET200Pro, analysis meter and intelligent electric machine control and protected location from station equipment; Described DP all has the DP communication interface from station equipment.
Described PA instrument comprises pressure unit, differential pressure transmitter, temperature variator and magnetic turnover panel liquid level gauge; Described PA instrument all has the PA communication interface.
Compared with prior art, the utility model is introduced Field Bus Control Technology, thoroughly changed the connection of signal " point-to-point ", article one, bus (connection) just can be transmitted all online signals, the content of transmission comprises various actual motion process datas, these integrated datas can help computer management system that field apparatus (containing analysis meter, transmitter, topworks, frequency converter etc.) is carried out remote diagnostic, maintenance and configuration better, understand the running status of field instrument in advance, safeguard in advance, reduce maintenance cost.It not only can save a considerable amount of isolators, terminal cabinet and I/O equipment, the space and the floor area of I/O equipment and electric room have been saved, can also reduce the crane span structure that a large amount of cables and cabling are used, save design, installation and maintenance expense, improve the engineering construction progress greatly.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Mark in the accompanying drawing: 1-host computer, 2-PLC, 3-slack looped network, 4-Y-LINK, 5-DP/PA-LINK, the redundant Profibus-DP bus of 6-, 7-DP is from station equipment, 8-PA instrument, 9-Profibus-DP bus, the 10-Profibus-PA bus, 11-operator station, 12-engineer station, the 13-Industrial Ethernet, 14-optical fiber link module OLM, 15-optical fiber, 16-distributed I/O slave station, the 17-smart devices.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Embodiment
Embodiment of the present utility model: fuel-burning power plant water treatment bus control system, as shown in Figure 1, comprise host computer 1, PLC2 and smart devices 17, also comprise slack looped network 3, Y-LINK4 and DP/PA-LINK5;
Slack looped network 3 is connected with PLC2;
Y-LINK4 links to each other with slack looped network 3 by redundant Profibus-DP bus 6 with DP/PA-LINK5;
Smart devices 17 comprises DP from station equipment 7 and PA instrument 8, and DP links to each other with Y-LINK4 by Profibus-DP bus 9 from station equipment 7; PA instrument 8 links to each other with DP/PA-LINK5 by Profibus-PA bus 10.
Host computer 1 comprises operator station 11 and engineer station 12.
Host computer 1 links to each other with PLC2 by Industrial Ethernet 13.
PLC2 adopts Siemens S7400 series redundant PLC to constitute two-node cluster hot backup.
Slack looped network 3 is connected and composed by optical fiber link module OLM14 and optical fiber 15.
DP comprises distributed I/O slave station 16 from station equipment 7, and the data-signal that is used to import the smart devices collection is to PLC2, and PLC2 is again the output channel output of signal by distributed I/O slave station 16; Described distributed I/O slave station 16 adopts the ET200 series of Siemens Company.
DP also comprises ultrasonic level gage, electromagnetic flowmeter, valve island and ET200Pro, analysis meter and intelligent electric machine control and protected location from station equipment 7; Described DP all has the DP communication interface from station equipment 7.
PA instrument 8 comprises pressure unit, differential pressure transmitter, temperature variator and magnetic turnover panel liquid level gauge; Described PA instrument 8 all has the PA communication interface.
Principle of work of the present utility model: Profibus-PA bus 10 is with Department of Automation unify process control and pressure, PA such as temperature and fluid level transmitter instrument 8 couples together, measured value and the procedural information gathered are connected on the Profibus-DP bus network of upper strata by DP/PA-LINK5, the data-signal of gathering from station equipment 7 with DP is sent to the PLC2 by redundant Profibus-DP bus 6, the topworks output of control signal by output channel or other smart devices 17 with DP bus interface of distributed I/O slave station 16, PLC2 carries out communication by data communication interface and host computer 1 to PLC2 again.
Claims (6)
1. water treatment bus control system in fuel-burning power plant comprises host computer (1), PLC(2) and smart devices (17), it is characterized in that: also comprise slack looped network (3), Y-LINK(4) and DP/PA-LINK(5);
Slack looped network (3) and PLC(2) be connected;
Y-LINK(4) with DP/PA-LINK(5) link to each other with slack looped network (3) by redundant Profibus-DP bus (6);
Smart devices (17) comprises that DP is from station equipment (7) and PA instrument (8); DP passes through Profibus-DP bus (9) and Y-LINK(4 from station equipment (7)) link to each other; PA instrument (8) is by Profibus-PA bus (10) and DP/PA-LINK(5) link to each other.
2. water treatment bus control system in fuel-burning power plant according to claim 1 is characterized in that: host computer (1) comprises operator station (11) and engineer station (12).
3. water treatment bus control system in fuel-burning power plant according to claim 1 and 2 is characterized in that: host computer (1) is by Industrial Ethernet (13) and PLC(2) link to each other.
4. water treatment bus control system in fuel-burning power plant according to claim 1 is characterized in that: PLC(2) adopt Siemens S7400 series redundant PLC to constitute two-node cluster hot backup.
5. water treatment bus control system in fuel-burning power plant according to claim 1 is characterized in that: slack looped network (3) is by optical fiber link module OLM(14) and optical fiber (15) connect and compose.
6. water treatment bus control system in fuel-burning power plant according to claim 1, it is characterized in that: DP comprises distributed I/O slave station (16) from station equipment (7), be used to import the data-signal of smart devices collection to PLC(2), PLC(2) again the output channel output of control signal by distributed I/O slave station (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205917457U CN201853125U (en) | 2010-11-04 | 2010-11-04 | Water treatment bus control system for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205917457U CN201853125U (en) | 2010-11-04 | 2010-11-04 | Water treatment bus control system for thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853125U true CN201853125U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205917457U Expired - Lifetime CN201853125U (en) | 2010-11-04 | 2010-11-04 | Water treatment bus control system for thermal power plant |
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| CN (1) | CN201853125U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436190A (en) * | 2011-10-17 | 2012-05-02 | 广东亚仿科技股份有限公司 | Controller |
| CN103412586A (en) * | 2013-06-28 | 2013-11-27 | 蚌埠凯盛工程技术有限公司 | Annealing kiln temperature control system of ultra-thin float glass |
| CN103699094A (en) * | 2013-12-23 | 2014-04-02 | 中国能源建设集团广东省电力设计研究院 | Ash removal control system and ash removal control method |
| CN107315339A (en) * | 2017-03-23 | 2017-11-03 | 杨斌 | A kind of equipment monitoring system based on hardware redundancy |
-
2010
- 2010-11-04 CN CN2010205917457U patent/CN201853125U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436190A (en) * | 2011-10-17 | 2012-05-02 | 广东亚仿科技股份有限公司 | Controller |
| CN103412586A (en) * | 2013-06-28 | 2013-11-27 | 蚌埠凯盛工程技术有限公司 | Annealing kiln temperature control system of ultra-thin float glass |
| CN103412586B (en) * | 2013-06-28 | 2015-08-26 | 蚌埠凯盛工程技术有限公司 | Thin float glass annealing kiln temperature control system |
| CN103699094A (en) * | 2013-12-23 | 2014-04-02 | 中国能源建设集团广东省电力设计研究院 | Ash removal control system and ash removal control method |
| CN107315339A (en) * | 2017-03-23 | 2017-11-03 | 杨斌 | A kind of equipment monitoring system based on hardware redundancy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhou Haiying Document name: Notification that Application Deemed not to be Proposed |
|
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: HUADIAN WATER TREATMENT TECHNOLOGY ENGINEERING CO.,LTD Effective date: 20120119 Owner name: HUADIAN WATER ENGINEERING CO., LTD. Free format text: FORMER OWNER: CHINA HUADIAN ENGINEERING (GROUP) CO., LTD. Effective date: 20120119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120119 Address after: 100035, B building, Huadian building, No. 273, inner main street, Xizhimen, Beijing, Xicheng District Patentee after: Huadian Water Engineering Co., Ltd. Address before: 100035 Beijing City, Xicheng District Xizhimen Avenue 273 Huadian Engineering building B block 503 Co-patentee before: Huadian Water Treatment Technology Engineering Co., Ltd. Patentee before: China Huadian Engineering (Group) Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20190624 Address after: 301799 No. 18 Fuyuan Road, Wuqing Development Zone, Tianjin 518-17 (Centralized Office District) Patentee after: Huadian water membrane separation technology (Tianjin) Co., Ltd. Address before: 100035 block B, Huadian Power Engineering building, 273 Xizhimen inner street, Xicheng District, Beijing. Patentee before: Huadian Water Engineering Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
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| CX01 | Expiry of patent term |