CN201251708Y - An online diagnosis and management system of HART instrument - Google Patents
An online diagnosis and management system of HART instrument Download PDFInfo
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- CN201251708Y CN201251708Y CNU2008200352250U CN200820035225U CN201251708Y CN 201251708 Y CN201251708 Y CN 201251708Y CN U2008200352250 U CNU2008200352250 U CN U2008200352250U CN 200820035225 U CN200820035225 U CN 200820035225U CN 201251708 Y CN201251708 Y CN 201251708Y
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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 an online diagnosis and management system of HART instrument; wherein, the outputs of a plurality of intelligent instruments are respectively connected with the corresponding inputs of a plurality of HART protocol communication devices; and the outputs of a plurality of HART protocol communication devices are connected in parallel with servers by connecting with the corresponding inputs of a plurality of the communication servers. A plurality of communication servers are connected in parallel in a data server, the output of which is respectively connected with a plurality of clients; and a plurality of clients are connected with a general server. The system can be assembled on field and can resolve the Hart protocol read/write command numbers and return data of related instruments, realize the online acquisition, transmission and storage of the information of filed Hart intelligent instruments, and also can diagnose, monitor, account, manage and adjust and correct the Hart intelligent instruments, thereby lowering the work-out probability caused by false alarm, reducing the maintenance load of field instruments and lessening the maintenance cost.
Description
Technical field
The utility model is the inline diagnosis and the management system of a kind of Hart (the open communication agreement of Highway Addressable Remote Transducer highway addressable remote transducer) instrument, by gathering, analyze and manage the digital signal of Hart instrument, realization is to the inline diagnosis of intelligence instrument operation conditions, online setting and online management, and, be mainly used in fields such as metallurgy with intelligence instrument, light industry, chemical industry to LAN (Local Area Network) issue intelligence instrument information.
Background technology
At present, increasing field intelligent instrument is used for Process Control System, wherein the most widely used is the intelligence instrument that adopts the Hart agreement, comprises the instrument of nearly all types such as temperature transmitter, pressure unit, liquid level gauge, flowmeter, variable valve, analysis meter.The Hart agreement is the frequency shift keying technology that adopts based on the Bell202 communication standard, finishes digital communication by superposition frequency signal on 4～20mA standard analog signal.Analog signal transmission process signal, digital signal then provide calibration, configuration, diagnosis, maintenance and other to comprise a lot of information of meter status.
Present widely used DCS (Distributed Control System scattered control system) can diagnose system itself, comprises input, output fastener, controller, communication bus etc. are diagnosed; And can be to warnings such as disconnected idol, output open circuits.But its defective is: 1, diagnostic area is very little.The content of DCS decentralised control, centralized management only limits to production process information, and quantity of information is quite limited.Adopt DCS can only improve fiduciary level to a certain extent, just a link of The whole control system does not improve the fiduciary level of field instrument and variable valve, so can not tackle the problem at its root.2, DCS also is not digital display circuit mostly, therefore in fact can only use the conventional simulation signal, promptly intelligence instrument is used as general instrument and uses.In most of factory scene, digital communication is only used by a manual operator when calibration, and the digital function of intelligence instrument is not fully utilized like this, is a very big waste on function.Meanwhile, the scene not only more and more needs to carry out good process control, also needs to understand more information, comprises instrument function, valve, measurement instrument, fail-safe control and field management information; Require higher detection control loop fiduciary level and lower false alarm, parking rate; Require the work efficiency of instrument personnel Geng Gao.
Summary of the invention
The utility model is to overcome the deficiency that prior art exists, a kind of inline diagnosis and management system of HART instrument are provided, do not influence the Hart instrument digital signal acquiring method and the corresponding apparatus device of the operation of existing DCS system of factory, utilize the numerical information of intelligence instrument, expand the quantity of information of factory, improve the control system reliability.
The technical solution adopted in the utility model is: the output of a plurality of intelligence instruments is connected the output of the input of its corresponding a plurality of HART agreement communication devices, a plurality of HART agreement communication devices respectively and receives server, the output of a plurality of HART agreement communication devices connects the input of its corresponding a plurality of communication servers, with data server of a plurality of communication servers access in parallel, the output of this data server is connected respectively to a plurality of clients, and a plurality of clients are connected with a director server.
The utility model can be implemented on-the-spot the installation, can resolve the Hart agreement read write command number and the return data of correlate meter, realization is to online acquisition, transmission and the storage of on-the-spot Hart intelligence instrument information, and to the Hart intelligence instrument diagnose, monitor, add up, management and adjustment, existing DCS system is had no effect, reduce false alarm mistakenly stop car probability, reduce the maintenance of field instrument to the full extent and reduce maintenance cost.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is that structure of the present utility model connects sketch;
Fig. 2 is the catenation principle synoptic diagram of HART protocol communication device 5 among Fig. 1;
Fig. 3 is the catenation principle synoptic diagram of HART protocol bridge 10 among Fig. 2;
Fig. 4 is a software architecture diagram of the present utility model;
Fig. 5 is software function module figure of the present utility model.
Among the figure: 1. client, 2. director server, 3. data server, 4. communication server, 5.HART agreement communication device, 6. intelligence instrument, 7. ipc monitor equipment, 8.RS85/RS232 converter, 9.RS485 network, 10.HART protocol bridge, 11. timer circuits, 12.CPU, 13.RS485 interface circuit, 14.HART modulator-demodular unit, 15. channel selection circuits, 16. coupled circuits.
Embodiment
As shown in Figure 1, the utility model mainly is made up of intelligence instrument 6, HART agreement communication device 5, HART communication server 4, data server 3, director server 2 and client 1.The output of a plurality of intelligence instruments 6 is connected the output of the input of its corresponding a plurality of HART agreement communication devices 5, a plurality of HART agreement communication devices 5 respectively and receives server.The output of wherein a plurality of HART agreement communication devices 5 connects the input of its corresponding a plurality of communication servers 4, with data server 3 of a plurality of communication server 4 accesses in parallel, the output of this data server 3 is connected respectively to a plurality of clients 1, and a plurality of clients 1 are connected with a director server 2.Intelligence instrument 6 mainly is meant the instrument based on the HART agreement, and common type has differential pressure transmitter, pressure unit, valve positioner, flowmeter etc.HART agreement communication device 5 is responsible for gathering and transmitting the digital signal of intelligence instrument 6, send the RS-232 serial ports of host computer to by Adam's module, by com server software these data are resolved, and image data is carried out real-time storage by SQL SERVER database, other automated systems can be carried out remote access to the data of field instrument by OPC communication server software.Using director server 2 major functions is that field intelligent instrument 6 is carried out configuration and monitoring, and visible user interface is provided, aspect user's operation.Client 1 is responsible for the monitor message of issue field intelligent instrument 6 on network, connection situation etc.
As shown in Figure 2, the main part of HART protocol communication device 5 is some HART protocol bridge 10 that are installed on the terminal strip support.The output digital signal of a plurality of HART agreement communication devices 5 is compiled the corresponding a plurality of HART protocol bridge 10 of composition, and a plurality of HART protocol bridge 10 are connected to the input of the output connection ipc monitor equipment 7 of a RS85/RS232 converter 8, RS85/RS232 converter 8 by a plurality of RS485 grid lines 9 of corresponding connection.Carry out communication by the connection of RS485 grid line 9 buses and with ipc monitor equipment 7,0～30 arbitrary value can be selected in the bridge address, but not reproducible.20 bridge default addresss are for pressing installation site order 1～20.Every HART protocol bridge 10 can be gathered 12 road HART signals, so HART protocol communication device 5 can be realized the independent communication with 240 HART intelligence instruments 6.The signal that meets the HART agreement is after HART protocol bridge 10 is handled, and RS485 grid line 9 connections also are converted to RS-232 signal through RS485/RS232 converter 8 and enter computing machine.20 HART protocol bridge 10 adopt the unified power supply of 24V/1A power supply, and RS485/RS232 converter 8 adopts the 24V/0.5A power supply independently-powered.
As shown in Figure 3, HART protocol bridge 10 hardware circuits mainly comprise: central processor CPU 12, HART modulator-demodular unit 14 and coupled circuit 16, with several sections such as channel selection circuit 15, RS485 interface circuit 13, timer circuit 11.HART protocol bridge 10 customization according to the user on former bridge basis requires to improve, and realizes the some point isolation input of 12 HART signals and the isolation of on-the-spot side and system side.HART protocol bridge 10 comprises that the output of CPU 12 connects the selection of input difference interface channel circuit 15, HART modulator-demodular unit 14 and the RS485 interface circuit 13 of timer circuit 11, CPU 12; Coupled circuit 16 links to each other with HART modulator-demodular unit 14; The other end of RS485 interface circuit 13 connects RS85/RS232 converter 8, and the input end of coupled circuit 16 connects intelligence instrument 6.HART protocol bridge 10 is carried out data acquisition, configuration, network device management as first main equipment to the fieldbus intelligence instrument 6 that meets the HART agreement, and allows HART agreement second main equipment such as hand-held device to insert the HART network simultaneously.HART protocol bridge 10 can be gathered 12 road HART signals, takies groove position of machine cage during use, can not be redundant.When the signal that meets the HART agreement after treatment, enter computing machine by RS485 grid line 9 order wires independently.
As shown in Figure 4, intelligence instrument 6 inlinees diagnosis and online management system adopt comparatively popular server/client (Server/Client) pattern at present, a plurality of clients 1 can share service device 2 real-time information, the user can detect intelligence instrument 6 away from the scene and safeguards by server 2.The characteristics of this pattern are strongly professional, and security is good, and interaction capabilities is strong.After the COM communication server image data, deposit in the data designated storehouse, from database, read real-time information, carry out Web publishing by client 1 then by using director server 2.In order to guarantee that client 1 and the instrument view of using director server 2 keep consistency, directly carry out view update by client 1 by the network download viewdata, thereby avoided that client 1 software upgrading brought loaded down with trivial details,
As shown in Figure 5, system mainly contains 23 functional modules of six subsystems and forms: device access module, equipment organize views module, device description file module, record examination module, user management module, data management module.The field apparatus views module, can be according to production firm, device type and the equipment item number organize views of intelligence instrument, also can organize equipment by control loop, be convenient to the particular location that the user understands every equipment, can also connect the situation organize views by the network of equipment, be convenient to the user and understand equipment on which interface of which converter; The device access functional module is mainly finished the communication with intelligence instrument, obtains the parameter of intelligence instrument, and intelligence instrument is carried out configuration, the real-time status information of checkout equipment; Record examination module: the retouching operation that the recording operation personnel do field apparatus, the old value and the new value that comprise content of operation, the time of operation and the reason of operation, the alarm condition of record field apparatus, comprise the equipment of warning, the time of warning and the content of warning, be convenient to managerial personnel and in time make decision-making accurately.
Claims (3)
1. the inline diagnosis of a HART instrument and management system, the output of a plurality of intelligence instruments (6) is connected the input of its corresponding a plurality of HART agreement communication devices (5) respectively, the output of a plurality of HART agreement communication devices (5) is also received server, it is characterized in that: the output of a plurality of HART agreement communication devices (5) connects the input of its corresponding a plurality of communication servers (4), with a plurality of communication servers (4) data server (3) that inserts in parallel, the output of this data server (3) is connected respectively to a plurality of clients (1), and a plurality of clients (1) are connected with a director server (2).
2. the inline diagnosis of a kind of HART instrument according to claim 1 and management system, it is characterized in that: the output digital signal of a plurality of HART agreement communication devices (5) is compiled and is formed corresponding a plurality of HART protocol bridge (10), and a plurality of HART protocol bridge (10) are connected to the input of the output connection ipc monitor equipment (7) of a RS85/RS232 converter (8), RS85/RS232 converter (8) by RS485 grid line (9).
3. the inline diagnosis of a kind of HART instrument according to claim 2 and management system is characterized in that: HART protocol bridge (10) comprises that the output of CPU (12) connects the selection of input difference interface channel circuit (15), HART modulator-demodular unit (14) and the RS485 interface circuit (13) of timer circuit (11), CPU (12); Coupled circuit (16) links to each other with HART modulator-demodular unit (14); The other end of RS485 interface circuit (13) connects RS85/RS232 converter (8), and the input end of coupled circuit (16) connects intelligence instrument (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200352250U CN201251708Y (en) | 2008-04-29 | 2008-04-29 | An online diagnosis and management system of HART instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200352250U CN201251708Y (en) | 2008-04-29 | 2008-04-29 | An online diagnosis and management system of HART instrument |
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| CN201251708Y true CN201251708Y (en) | 2009-06-03 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223403A (en) * | 2011-06-03 | 2011-10-19 | 常州大学 | Intelligent instrument online-diagnosis and management system based on wireless HART (Highway Addressable Remote Transducer) protocol |
| CN102331731A (en) * | 2010-06-30 | 2012-01-25 | 株式会社山武 | Process control system having equipment monitoring function |
| CN102368152A (en) * | 2010-06-30 | 2012-03-07 | 株式会社山武 | Input/output device having HART communications functions |
| CN103955181A (en) * | 2014-04-11 | 2014-07-30 | 中国石油化工股份有限公司 | Safety interlocking method reducing spurious trip of compressor |
| CN106056888A (en) * | 2015-04-14 | 2016-10-26 | 德尔格安全股份两合公司 | Method for data transmission between measuring apparatuses and data processing device in measured data recording system |
| CN110719339A (en) * | 2019-11-08 | 2020-01-21 | 宁夏锐波网络有限公司 | HART instrument data wireless acquisition system |
| CN112000031A (en) * | 2020-08-26 | 2020-11-27 | 安徽华创环保设备科技有限公司 | Equipment remote maintenance pipe system based on regenerated metal smelting |
| CN112414519A (en) * | 2020-10-23 | 2021-02-26 | 哈尔滨鹏信科技有限责任公司 | Anti-cheating monitoring system of trade handover flow metering instrument and application thereof |
| CN113778003A (en) * | 2021-10-08 | 2021-12-10 | 沈阳仪表科学研究院有限公司 | Debugging method of intelligent operation and maintenance platform data acquisition unit |
-
2008
- 2008-04-29 CN CNU2008200352250U patent/CN201251708Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331731A (en) * | 2010-06-30 | 2012-01-25 | 株式会社山武 | Process control system having equipment monitoring function |
| CN102368152A (en) * | 2010-06-30 | 2012-03-07 | 株式会社山武 | Input/output device having HART communications functions |
| CN102223403A (en) * | 2011-06-03 | 2011-10-19 | 常州大学 | Intelligent instrument online-diagnosis and management system based on wireless HART (Highway Addressable Remote Transducer) protocol |
| CN103955181A (en) * | 2014-04-11 | 2014-07-30 | 中国石油化工股份有限公司 | Safety interlocking method reducing spurious trip of compressor |
| CN106056888A (en) * | 2015-04-14 | 2016-10-26 | 德尔格安全股份两合公司 | Method for data transmission between measuring apparatuses and data processing device in measured data recording system |
| CN106056888B (en) * | 2015-04-14 | 2019-05-03 | 德尔格安全股份两合公司 | Method for carrying out data transmission between measuring device and data processing equipment |
| CN110719339A (en) * | 2019-11-08 | 2020-01-21 | 宁夏锐波网络有限公司 | HART instrument data wireless acquisition system |
| CN112000031A (en) * | 2020-08-26 | 2020-11-27 | 安徽华创环保设备科技有限公司 | Equipment remote maintenance pipe system based on regenerated metal smelting |
| CN112414519A (en) * | 2020-10-23 | 2021-02-26 | 哈尔滨鹏信科技有限责任公司 | Anti-cheating monitoring system of trade handover flow metering instrument and application thereof |
| CN113778003A (en) * | 2021-10-08 | 2021-12-10 | 沈阳仪表科学研究院有限公司 | Debugging method of intelligent operation and maintenance platform data acquisition unit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20120429 |