CN104349513A - Distributed type wireless hart compatible type process control system - Google Patents
Distributed type wireless hart compatible type process control system Download PDFInfo
- Publication number
- CN104349513A CN104349513A CN201410588092.XA CN201410588092A CN104349513A CN 104349513 A CN104349513 A CN 104349513A CN 201410588092 A CN201410588092 A CN 201410588092A CN 104349513 A CN104349513 A CN 104349513A
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- China
- Prior art keywords
- wireless hart
- backbone network
- bunch
- control system
- mesh backbone
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- 238000004886 process control Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000004801 process automation Methods 0.000 claims abstract description 9
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 3
- 241000854291 Dianthus carthusianorum Species 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/20—Arrangements in telecontrol or telemetry systems using a distributed architecture
- H04Q2209/25—Arrangements in telecontrol or telemetry systems using a distributed architecture using a mesh network, e.g. a public urban network such as public lighting, bus stops or traffic lights
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a distributed type wireless hart compatible type process control system. The distributed type wireless hart compatible type process control system comprises mesh backbone network equipment and in-cluster nodes, wherein the communication period of the system comprises a communication period of the mesh backbone network and an in-cluster communication period; the mesh backbone network equipment and the in-cluster nodes form a mesh backbone network and a clustered network respectively; the cluster head in each clustered network manages the in-cluster nodes directly; and the mesh backbone network and the clustered network form a local network. The distributed type wireless hart compatible type process control system disclosed by the invention has the advantages that protocols and instruments of wireless hart can be applied, so that the technology and accumulation of the wireless hart are inherited; meanwhile, due to the distributed type architecture, single-point failure and the like are avoided; the reliability, the flexibility and the expansibility of the system are further improved and the space is expanded for wireless application in process automation.
Description
Technical field
The present invention relates to field, particularly relate to a kind of distributed wireless hart Campatible Process Control System.
Background technology
As one of process control system specifications that international IEC announces, wireless hart has started application in process automation system, and wireless HART is a kind of is the network communication protocol of the wireless mesh topological structure of process automation application design specially.System that employs the technology such as mesh networking, multichannel frequency hopping that center controls, improve wireless industrial system with the reliability of communication and predictability; Mesh is a kind of wireless mesh network, is a kind of multi-hop (multi-hop) network.
But the system risk that center control framework brings is concentrated, is easily caused the problems such as single point failure, remains the potential risk of wireless industrial system.
Existing DCS system (scattered control system) have employed decentralized control structure, but belongs to cable control system, and comparatively wireless system inferior position in deployment, maintenance, expansion etc. is obvious.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of distributed wireless hart Campatible Process Control System, can on the one hand and wireless hart system compatible, there is distributed structure/architecture simultaneously, avoid the problem such as concentration of risk and single point failure in industrial wireless communication, thus provide new wireless system for high reliability process automation.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of distributed wireless hart Campatible Process Control System, comprise: mesh backbone network equipment and bunch interior nodes, the system communication cycle be divided into the mesh backbone network communication cycle and bunch in communication cycle; Described mesh backbone network equipment and bunch interior nodes form mesh backbone network and clustered network respectively; In each described clustered network, bunch head directly manages described bunch interior nodes; Described mesh backbone network and clustered network form local network.
Preferably, described mesh backbone network equipment comprises wireless hart instrument and has the local controller of serial communication, and described wireless hart instrument is provided with a serial line interface; During described mesh backbone network communication, described local controller is in suspended state, hart communication that described mesh Web-compatible is wireless; During described clustered network communication, local controller controls described wireless hart instrument by serial ports and communicates with described bunch of interior nodes.
Preferably, described bunch of interior nodes comprises MC13213 minimum system, signal conditioning circuit, power circuit and antenna circuit; Described signal conditioning circuit becomes digital quantity or the analog quantity of standard the site physical quantitative change that transducer collects, and delivers to described MC13213 minimum system, then is sent to described mesh backbone network equipment through described antenna circuit.
Preferably, wireless hart global function protocol stack is run in described local controller; Described bunch of interior nodes can run hart agreement, and bunch interior nodes also can run MODBUS-RTU process automation puppy parc.
The invention has the beneficial effects as follows: the present invention can the agreement of employing wireless hart and instrument, thus inherit technology and the accumulation of wireless hart, there is distributed structure/architecture simultaneously, avoid single point failure etc., further raising system reliability, flexibility, expansibility, in process automation, wireless application is expanded space.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of distributed wireless hart of the present invention Campatible Process Control System;
Fig. 2 is the structural representation of the mesh backbone network equipment of shown a kind of distributed wireless hart Campatible Process Control System;
Fig. 3 is the structural representation of bunch interior nodes of shown a kind of distributed wireless hart Campatible Process Control System;
In accompanying drawing, the mark of each parts is as follows: 1, mesh backbone network equipment; 2, bunch interior nodes.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1 to Fig. 3, the embodiment of the present invention comprises:
A kind of distributed wireless hart Campatible Process Control System, comprising: mesh backbone network equipment 1 and bunch interior nodes 2, the system communication cycle be divided into the mesh backbone network communication cycle and bunch in communication cycle; Described mesh backbone network equipment 1 and bunch interior nodes 2 form mesh backbone network and clustered network respectively; In each described clustered network, bunch head directly manages described bunch interior nodes; Described mesh backbone network and clustered network form local network.
Described mesh backbone network equipment 1 comprises wireless hart instrument and has the local controller of serial communication, and described wireless hart instrument is provided with a serial line interface; During described mesh backbone network communication, described local controller is in suspended state, hart communication that described mesh Web-compatible is wireless; During described clustered network communication, local controller controls described wireless hart instrument by serial ports and communicates with described bunch of interior nodes; Wireless hart global function protocol stack is run in described local controller; Described bunch of interior nodes can run hart agreement, and bunch interior nodes also can run MODBUS-RTU process automation puppy parc.
Described bunch of interior nodes 2 comprises MC13213 minimum system, signal conditioning circuit, power circuit and antenna circuit; Described signal conditioning circuit becomes digital quantity or the analog quantity of standard the site physical quantitative change that transducer collects, and delivers to described MC13213 minimum system, then is sent to described mesh backbone network equipment through described antenna circuit; MC13213 is a kind of communicating circuit of embedded single-chip microcomputer.
Can the agreement of employing wireless hart in mesh backbone network in the present invention, thus inherit technology and the accumulation of wireless hart; In bunch, instrument can run the agreement of wireless hart under local controller controls, and also can run MODBUS-RTU agreement, improve system reliability, flexibility, expansibility further, in process automation, wireless application is expanded space.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a distributed wireless hart Campatible Process Control System, is characterized in that, comprising: mesh backbone network equipment and bunch interior nodes, the system communication cycle be divided into the mesh backbone network communication cycle and bunch in communication cycle; Described mesh backbone network equipment and bunch interior nodes form mesh backbone network and clustered network respectively; In each described clustered network, bunch head directly manages described bunch interior nodes; Described mesh backbone network and clustered network form local network.
2. a kind of distributed wireless hart Campatible Process Control System according to claim 1, it is characterized in that: described mesh backbone network equipment comprises wireless hart instrument and has the local controller of serial communication, and described wireless hart instrument is provided with a serial line interface; During described mesh backbone network communication, described local controller is in suspended state, hart communication that described mesh Web-compatible is wireless; During described clustered network communication, local controller controls described wireless hart instrument by serial ports and communicates with described bunch of interior nodes.
3. a kind of distributed wireless hart Campatible Process Control System according to claim 1, is characterized in that: described bunch of interior nodes comprises MC13213 minimum system, signal conditioning circuit, power circuit and antenna circuit; Described signal conditioning circuit becomes digital quantity or the analog quantity of standard the site physical quantitative change that transducer collects, and delivers to described MC13213 minimum system, then is sent to described mesh backbone network equipment through described antenna circuit.
4. a kind of distributed wireless hart Campatible Process Control System according to claim 2, is characterized in that: run wireless hart global function protocol stack in described local controller; Described bunch of interior nodes can run hart agreement, and bunch interior nodes also can run MODBUS-RTU process automation puppy parc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588092.XA CN104349513A (en) | 2014-10-29 | 2014-10-29 | Distributed type wireless hart compatible type process control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588092.XA CN104349513A (en) | 2014-10-29 | 2014-10-29 | Distributed type wireless hart compatible type process control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104349513A true CN104349513A (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410588092.XA Pending CN104349513A (en) | 2014-10-29 | 2014-10-29 | Distributed type wireless hart compatible type process control system |
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| Country | Link |
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| CN (1) | CN104349513A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047638A (en) * | 2006-06-28 | 2007-10-03 | 华为技术有限公司 | Mesh network route method and device |
| CN101286911A (en) * | 2008-03-05 | 2008-10-15 | 中科院嘉兴中心微系统所分中心 | Networking method of wireless sensor network based on combination of cluster and Mesh |
| US20130060351A1 (en) * | 2011-09-02 | 2013-03-07 | Fisher-Rosemount Systems, Inc. | Asset tracking in process control environments |
| CN104080142A (en) * | 2014-06-19 | 2014-10-01 | 苏州科技学院 | Multi-hop cluster type wireless sensor network system based on millimeter waves |
-
2014
- 2014-10-29 CN CN201410588092.XA patent/CN104349513A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047638A (en) * | 2006-06-28 | 2007-10-03 | 华为技术有限公司 | Mesh network route method and device |
| CN101286911A (en) * | 2008-03-05 | 2008-10-15 | 中科院嘉兴中心微系统所分中心 | Networking method of wireless sensor network based on combination of cluster and Mesh |
| US20130060351A1 (en) * | 2011-09-02 | 2013-03-07 | Fisher-Rosemount Systems, Inc. | Asset tracking in process control environments |
| CN104080142A (en) * | 2014-06-19 | 2014-10-01 | 苏州科技学院 | Multi-hop cluster type wireless sensor network system based on millimeter waves |
Non-Patent Citations (1)
| Title |
|---|
| 康晓丽: "基于WIA-PA标准规范的工业无线网络", 《山西科技》 * |
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Application publication date: 20150211 |
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