CN102223403A - Intelligent instrument online-diagnosis and management system based on wireless HART (Highway Addressable Remote Transducer) protocol - Google Patents
Intelligent instrument online-diagnosis and management system based on wireless HART (Highway Addressable Remote Transducer) protocol Download PDFInfo
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- CN102223403A CN102223403A CN201110149017XA CN201110149017A CN102223403A CN 102223403 A CN102223403 A CN 102223403A CN 201110149017X A CN201110149017X A CN 201110149017XA CN 201110149017 A CN201110149017 A CN 201110149017A CN 102223403 A CN102223403 A CN 102223403A
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Abstract
The invention relates to an intelligent instrument online-diagnosis and management system based on a wireless HART (Highway Addressable Remote Transducer) protocol, which comprises a wireless HART filed equipment instrument, a wireless network module, a network manager and an application service module, wherein the wireless HART field equipment instrument is communicated with the application service module through the wireless network module, and the network manager realizes the configuring, scheduling and managing on a wireless network, or realizes the on-line diagnosing, setting and managing to an intelligent instrument. By the invention, the quality is improved, and the reliability and the safety of a control system can be improved.
Description
Technical field
The present invention relates to a kind of inline diagnosis and management system of intelligence instrument, specifically is a kind of open communication agreement based on wireless Hart(Highway Addressable Remote Transducer highway addressable remote transducer) the intelligence instrument inline diagnosis and the management system of agreement.
Background technology
All the time, existing equipment instrument connects in wired mode mostly and is of the remote past, and the wired connection mode exists following problem: 1, difficult in maintenance, cost is high.When cable line breaks down or will change circuit, the cable laying again that is bound to, this one side site operation has certain difficulty, and original on the other hand circuit is abandoned and can't be utilized, and obviously can cause waste and the increase cost.2, very flexible.After network set up, change was suitable difficulty, and increase equipment is laid more cable again, along with the growth in age, even can occur that cable line is saturated can't lay the such problem of more cable more again.3, narrow application range.Wired mode is wide for the region, and the application scenario that equipment disperses is also inapplicable, because the cable laying difficulty greatly and not too convenient.Obviously, adopt the demand of wireless mode more and more urgent, the fact proves that also radio network technique more helps the control and the management of field data simultaneously.
At present, radio network technique has had significant progress, has all had widely in a lot of occasions and has used.Along with the further investigation of radio network technique with constantly promote, industry wireless network is becoming the application focus of industrial control field with advantages such as its networking flexibility, small investment, maintenance are simple.The radio network technique of using in the industrial control field has several, and wireless Hart agreement wherein is owing to its favorable compatibility to existing Hart equipment instrument has application prospect widely.
Wireless Hart is a kind of wireless mesh type network communication protocol of industrial process automation Application Design that is specially, wireless Hart standard is formal issue in 2007, it is based on the Hart agreement, employing works in 2.4GHz ISM(Industrial Scientific Medical industry, science, medical science) radio frequency band, have safe, sane network topology networking technology.Wireless Hart back compatible is in existing Hart equipment instrument, and carried out function and replenished and application extension, and existing Hart uses and need not to carry out any software upgrading, can utilize wireless Hart agreement.
Summary of the invention
The present invention is directed to the deficiency that existing wired industrial automation field apparatus instrument exists, a kind of intelligence instrument inline diagnosis and management system based on wireless Hart agreement is provided, do not influence the Hart instrument digital signal acquiring method and the corresponding apparatus device of the existing operation of factory, utilize wireless Hart network technology to gather the digital information of intelligence instrument, and information analyzed, thereby realize inline diagnosis, setting and management to intelligence instrument, improve quality, improve the reliability and the fail safe of control system.
The present invention includes wireless Hart field apparatus instrument, wireless network module, network manager, application service module, described wireless Hart field apparatus instrument is communicated by letter with application service module by wireless network module, and network manager is realized configuration, scheduling and the management to wireless network.
Described wireless Hart field apparatus instrument comprises wireless Hart equipment instrument and has traditional Hart equipment instrument of wireless Hart adapter.
Described wireless network module comprises a wireless Hart gateway, also comprises the several A P access point that is connected respectively with described wireless Hart gateway, and the wireless Hart handheld device that is connected with the communication of described AP access point respectively.Whole wireless Hart network using Mesh network configuration, every wireless Hart equipment instrument in the network can insert wireless Hart gateway by AP and communicate by letter with the application service module of factory communication network, in addition, a wireless Hart equipment instrument can also directly be communicated by letter with next other nearest equipment instrument, and needn't pass through gateway, simultaneously, wireless Hart handheld device is supported from contiguous wireless Hart field apparatus instrument direct access information.
Described application service module comprises data server, uses director server and plurality of client end, and described each client is connected with described data server by described application director server respectively.
Hart equipment instrument that the present invention is wireless inserts wireless Hart gateway by the AP access point and communicates by letter with data server, and the output of data server is connected to a director server, and a director server is connected with each client; Hart equipment instrument that each is wireless each other can direct communication, and traditional Hart equipment instrument must realize radio communication by wireless Hart adapter; Wireless Hart handheld device can or have traditional Hart equipment instrument direct access information of wireless Hart adapter from contiguous wireless Hart field apparatus instrument.
The present invention can implement on-the-spot the installation, can resolve the Hart agreement read write command number and the return data of relevant device instrument, 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 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.The present invention is applicable to industrial circles such as electric power with intelligence instrument, oil, chemical industry.
Description of drawings
Fig. 1 is a network configuration connection layout of the present invention.
Fig. 2 is the structured flowchart of wireless Hart adapter among Fig. 1.
Fig. 3 is a software architecture diagram of the present invention.
Fig. 4 is software function module figure of the present invention.
Embodiment
As shown in Figure 1,1 is client, and 2 is data server, and 3 for using director server, 4 is network manager, and 5 is wireless Hart gateway, and 6 is the AP access point, and 7 is wireless Hart equipment instrument, 8 is traditional Hart equipment instrument, and 9 is wireless Hart adapter, and 10 is wireless Hart handheld device.
The present invention mainly is made up of wireless Hart field apparatus instrument, wireless network module, network manager 4 and application service module.
Wherein wireless Hart field apparatus instrument comprises wireless Hart equipment instrument 7 and has traditional Hart equipment instrument 8 of wireless Hart adapter 9; Wireless network module comprises wireless Hart gateway 5, AP access point 6 and wireless Hart handheld device 10; Application service module comprises uses director server 3, data server 2 and client 1.
Wireless Hart equipment instrument 7 in the wireless network can be communicated by letter by the data server 2 that AP access point 6 inserts wireless Hart gateway 5 and factory communication network, in addition, wireless Hart equipment instrument 7 each other also can direct communication, and needn't pass through wireless Hart gateway 5.Can realize radio communication by loading wireless Hart adapter 9 for 8 of traditional Hart equipment instrument.Simultaneously, wireless Hart handheld device 10 is supported from contiguous wireless Hart field apparatus instrument 7 or is had traditional Hart equipment instrument 8 direct access information of wireless Hart adapter 9.
Wireless Hart gateway 5 is responsible for collection and is transmitted wireless Hart equipment instrument 7 and the digital signal that has traditional Hart equipment instrument 8 of wireless Hart adapter 9, send data server 2 to by plant network, by communication 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 communication server software.Using director server 3 major functions is that the field intelligent device instrument 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 device instrument on network, connection situation etc.
As shown in Figure 2, the hardware circuit of wireless Hart adapter 9 comprises current detecting and Hart communication line, loop power-supply circuit, microcontroller and radio frequency part.Current detecting has been used to have and has been carried out AD after high-side current amplifier that good common-mode voltage suppresses effect amplifies the voltage of loop sampling resistor and gather, and the HART communication line then uses the Hart modem chip to realize exchanges data with Hart equipment instrument cubicle; The loop power-supply circuit adopts integrated parallel voltage-stabilizing power supply chip, and its current margin is 10 μ A to 20mA, and output voltage can be 1.24V to 5.3V by the resistance adjustment; Microcontroller and radio frequency part are the hardware cores of adapter, the integrated wireless communication module WIAPA-M1800 of a maturation, WIAPA-M1800 is a kind of low energy consumption, short-distance wireless communication equipment, is operated in the free 2.4GHz frequency range based on industrial standard 802.15.4 in the whole world.WIAPA-M1800 is integrated SIA2420 wireless module and WIA-PA core protocol can connect field instrument equipment, make its can access of radio network in, and possess network routing function.
As shown in Figure 3, intelligence instrument inline diagnosis and online management system adopt modularization programming thought, comprise user application, task scheduling, database and wireless Hart protocol stack.Wireless Hart protocol stack module comprises to be used and the two parts of communicating by letter, applying portion is responsible for the configuration and the establishment of network, and communication resource management, communications portion comprises physical layer, data link layer and network layer, realizes functions such as radio communication, controlling links, routing and end-to-end communication respectively; Task scheduling modules is finished functions such as the task scheduling of whole software module and management; Database section is used for depositing the data of collection; User application then according to the actual requirements, the correlation function that calls underlying protocol stack by task scheduling modules is realized monitoring, detection, diagnosis, setting and the management to the smart machine instrument.
Whole system adopts comparatively popular server/client (Server/Client) pattern at present, the real time information that a plurality of clients 1 can share service device 3, and the user can detect intelligence instrument away from the scene and safeguards by server 3.The characteristics of this pattern are strongly professional, and fail safe is good, and interaction capabilities is strong.The data that wireless Hart gateway 5 is gathered deposit in the data designated storehouse, read real time information by using director server 3 from database, carry out the network issue by client 1 then.
As shown in Figure 4, system mainly contains 23 functional modules compositions of nine subsystems: configuration module, calibration module, initialization module, record tracking module, the instrument module is checked module, curve chart/excellent module, fault diagnosis module, user management module.The configuration module selects corresponding configuration item to make amendment, as item, description etc.; Calibration module, revising the range bound is current PV value; Initialization module carries out initialization to instrument, gateway and server; The record tracking module, record is carried out in operation and warning respectively, operation note comprised the operating time, the operation item, the record of operator and concrete operations, be convenient to administrative staff and in time check, alarm logging comprises the equipment of warning, the time of warning and the content of warning, is convenient to administrative staff and in time makes decision-making accurately; The instrument module can be observed the current percentage amounts of instrument, range bound etc.; Check module, all online equipment are checked, check corresponding meter information by production firm, and instrument is carried out deletion action, be convenient to the operator authorized manufacturer is checked, convenient effective; Curve chart/excellent module is carried out record to the PV value of instrument; Fault diagnosis module is diagnosed valve positioner, and crucial effects is played in the maintenance of valve site locator; User management module is convenient to user's login and the operation that responsibility arrives the individual.
Claims (4)
1. based on the intelligence instrument inline diagnosis and the management system of wireless HART protocol, it is characterized in that: comprise wireless Hart field apparatus instrument, wireless network module, network manager, application service module, described wireless Hart field apparatus instrument is communicated by letter with application service module by wireless network module, and network manager is realized configuration, scheduling and the management to wireless network.
2. a kind of intelligence instrument inline diagnosis and management system based on wireless HART protocol according to claim 1 is characterized in that: described wireless Hart field apparatus instrument comprises wireless Hart equipment instrument and has traditional Hart equipment instrument of wireless Hart adapter.
3. a kind of intelligence instrument inline diagnosis and management system according to claim 1 based on wireless HART protocol, it is characterized in that: described wireless network module comprises a wireless Hart gateway, also comprise the several A P access point that is connected respectively with described wireless Hart gateway, and the wireless Hart handheld device that is connected with the communication of described AP access point respectively.
4. a kind of intelligence instrument inline diagnosis and management system according to claim 1 based on wireless HART protocol, it is characterized in that: described application service module comprises data server, uses director server and plurality of client end, and described each client is connected with described application director server by described data server respectively.
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| CN201110149017XA CN102223403A (en) | 2011-06-03 | 2011-06-03 | Intelligent instrument online-diagnosis and management system based on wireless HART (Highway Addressable Remote Transducer) protocol |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049984A (en) * | 2012-12-31 | 2013-04-17 | 常州大学 | Combustible gas alarm instrument based on Wireless HART communication technology |
| CN103528751A (en) * | 2013-10-18 | 2014-01-22 | 常州大学 | Pressure sensor based on wireless HART (Highway Addressable Remote Transducer) communication technology |
| CN103888328A (en) * | 2012-12-19 | 2014-06-25 | 中国科学院沈阳自动化研究所 | Universal HART gateway data communication method based on industrial wireless network |
| CN105491005A (en) * | 2014-10-02 | 2016-04-13 | 费希尔-罗斯蒙特***公司 | Multi-protocol device supporting wireless plant protocols |
| CN105978731A (en) * | 2016-06-23 | 2016-09-28 | 中国电子科技网络信息安全有限公司 | Method and device suitable for information security protection for industrial intelligent instruments |
| CN110719339A (en) * | 2019-11-08 | 2020-01-21 | 宁夏锐波网络有限公司 | HART instrument data wireless acquisition system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201251708Y (en) * | 2008-04-29 | 2009-06-03 | 江苏工业学院 | An online diagnosis and management system of HART instrument |
| CN101866540A (en) * | 2010-06-13 | 2010-10-20 | 苏州阊亦宏环保科技有限公司 | Data acquisition unit based on wireless HART network |
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2011
- 2011-06-03 CN CN201110149017XA patent/CN102223403A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201251708Y (en) * | 2008-04-29 | 2009-06-03 | 江苏工业学院 | An online diagnosis and management system of HART instrument |
| CN101866540A (en) * | 2010-06-13 | 2010-10-20 | 苏州阊亦宏环保科技有限公司 | Data acquisition unit based on wireless HART network |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888328A (en) * | 2012-12-19 | 2014-06-25 | 中国科学院沈阳自动化研究所 | Universal HART gateway data communication method based on industrial wireless network |
| CN103049984A (en) * | 2012-12-31 | 2013-04-17 | 常州大学 | Combustible gas alarm instrument based on Wireless HART communication technology |
| CN103528751A (en) * | 2013-10-18 | 2014-01-22 | 常州大学 | Pressure sensor based on wireless HART (Highway Addressable Remote Transducer) communication technology |
| CN103528751B (en) * | 2013-10-18 | 2015-08-26 | 常州大学 | Based on the pressure transducer of wireless HART mechanics of communication |
| CN105491005A (en) * | 2014-10-02 | 2016-04-13 | 费希尔-罗斯蒙特***公司 | Multi-protocol device supporting wireless plant protocols |
| CN105491005B (en) * | 2014-10-02 | 2021-08-31 | 费希尔-罗斯蒙特***公司 | Multi-protocol device supporting wireless factory protocol |
| CN105978731A (en) * | 2016-06-23 | 2016-09-28 | 中国电子科技网络信息安全有限公司 | Method and device suitable for information security protection for industrial intelligent instruments |
| CN105978731B (en) * | 2016-06-23 | 2018-12-21 | 中国电子科技网络信息安全有限公司 | A kind of method and device suitable for industrial intelligent meter information security protection |
| CN110719339A (en) * | 2019-11-08 | 2020-01-21 | 宁夏锐波网络有限公司 | HART instrument data wireless acquisition system |
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