CN105759786B - Valve remote failure diagnosis system based on technology of Internet of things - Google Patents
Valve remote failure diagnosis system based on technology of Internet of things Download PDFInfo
- Publication number
- CN105759786B CN105759786B CN201610116308.1A CN201610116308A CN105759786B CN 105759786 B CN105759786 B CN 105759786B CN 201610116308 A CN201610116308 A CN 201610116308A CN 105759786 B CN105759786 B CN 105759786B
- Authority
- CN
- China
- Prior art keywords
- valve
- data
- mrow
- module
- main control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses a kind of valve remote failure diagnosis system based on technology of Internet of things, intelligent valve terminal is communicated by zigbee network and main control device, and main control device is communicated by internet and remote monitoring platform；The intelligent valve terminal includes sensor assembly, the data acquisition module for gathering sensor signal and the zigbee modules for sending signal；The main control device includes the GPRS module for receiving the zigbee modules of Zigbee network signal and sending signal；The remote monitoring platform includes database module, data is carried out with the real-time display module and alarm module of real-time display；The sensor assembly includes pressure transmitter, stem position sensor, temperature transmitter, VOCs sensors and valve rod torque sensor.Cost of the present invention is low, real-time, efficiency high.
Description
Technical field
The present invention relates to a kind of valve remote failure diagnosis system based on technology of Internet of things.
Background technology
Industrial valve plays control fluid on-off, regulation Fluid pressure in pipe-line system and changes fluid flow direction
Etc. function.Under some harsh operating modes, the medium that flows through valve is typically high temperature, high pressure, high radiation and poisonous inflammable, by this
The Safety production questions that the failure of class valve triggers become increasingly conspicuous.Therefore it is necessary that high crucial valve state in pipeline is entered
Row monitoring and diagnosis, to understand the health and fitness information of valve in time, avoid producing because of failsafe valve so as to take effective measures
Raw security incident.
Existing failsafe valve diagnoses the operational factor for needing operating personnel to measure valve by equipment in operation field.
Due to needing that valve is tested by platform, operating efficiency is than relatively low；On the other hand because operating personnel operate at the scene, face
The risk of all kinds of medium external leakages in scene, the security of operation cannot ensure.Using monitoring of the fieldbus to valve and examine
When disconnected, field wiring is difficult, and fault rate is high, stability is poor.
The content of the invention
It is an object of the invention to provide a kind of low, real-time, efficiency high the valve based on technology of Internet of things of cost
Remote failure diagnosis system.
The present invention technical solution be：
A kind of valve remote failure diagnosis system based on technology of Internet of things, it is characterized in that：It is whole including multiple intelligent valves
End, intelligent valve terminal are communicated by zigbee network and main control device, and main control device passes through internet and remote monitoring platform
Communication；The intelligent valve terminal includes sensor assembly, the data acquisition module for gathering sensor signal and sends signal
Zigbee modules；The main control device includes the GPRS for receiving the zigbee modules of Zigbee network signal and sending signal
Module；The remote monitoring platform includes database module, the real-time display module that data are carried out with real-time display and alarm mould
Block；The sensor assembly includes pressure transmitter, stem position sensor, temperature transmitter, VOCs sensors and valve rod and turned round
Square sensor；
Stem position sensor is contactless Hall sensor, is two road analog outputs, signal Vx, Vy, valve
Following relation between the rotational angle of bar and the output signal of sensor be present：
Valve rod torque sensor is bridge-type resistance strain gage, the output voltage U of electric bridgeoutThe moment of torsion M born with valve rod it
Between following relation be present:
M=λ Uout
Wherein
E is the Young's modulus of stem material in formula；D is stem diameter；μ is the Poisson's ratio of stem material；K is strain sheet material
The sensitivity coefficient of material；UinFor the input voltage of electric bridge.
Data transfer：
(1) system electrification, each valve intelligent terminal is according to sign number and channel number the composition Zigbee network set；
(2) valve rod setting in motion, trigger data acquisition program；After valve rod stop motion, data acquisition terminates；Sensing
Device data are stored in valve intelligent terminal；
(3) Zigbee module of valve intelligent terminal sends request to main control device Zigbee module, obtains allowing to send
The data of preservation are sent to main control module by Zigbee module after the order of data；
(4) main control device receives data and preserved；
(5) main control device sends data transfer request in a manner of TCP/IP by GPRS module to remote monitoring platform, obtains
Data are transmitted to remote monitoring platform after to permission；
(6) monitor supervision platform preserves data after receiving data.
The advantage of the invention is that：
1. the present invention is real-time, can analyte sensors data in time, after discovery valve failure sign can first when
Between send alarm, effective guarantee pipe-line system it is safe for operation.
2. the present invention can realize the remote fault diagnosis to valve, operating personnel is set to avoid being directly exposed to radiation or poisonous
In the environment of dielectric leakage, the personal safety of operating personnel is effectively ensured.
3. the present invention can realize that diagnosis is concentrated in the networking of critical valves in pipe-line system, failsafe valve diagnosis is substantially increased
Efficiency.
4. the present invention can effectively assess the operation health status of valve, the plan of major repair establishment for valve in pipeline provides section
Foundation is learned, avoids blindly maintenance and transition maintenance, reduces the expense of valve maintenance.
5. the scope that the present invention applies is wider, the valve types being diagnosed can be the ball valve of angle stroke, butterfly valve, can also
It is gate valve, the stop valve of Direct Travel, and be diagnosed the caliber size of valve and pressure rating not influenceing the application of the technology.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of sensor assembly.
Fig. 3 is the reference data and measurement data schematic diagram when bite situation occurs in valve.
Fig. 4 is valve by reference data during foreign body from blocking situation and measurement data schematic diagram.
Embodiment
A kind of valve remote failure diagnosis system based on technology of Internet of things, including multiple intelligent valve terminals 1, smart valve
Door terminal is communicated by zigbee network and main control device 2, and main control device is communicated by internet and remote monitoring platform 3；Institute
State intelligent valve terminal include sensor assembly 101, gather sensor signal data acquisition module 102 and by signal send
Zigbee modules 103；The main control device includes what is received the zigbee modules 201 of Zigbee network signal and send signal
GPRS module 202；The remote monitoring platform includes database module 302, data is carried out with the real-time display mould of real-time display
Block 301 and alarm module 303；The sensor assembly includes pressure transmitter 1-1, stem position sensor 1-2, temperature pick-up
Device 1-3, VOCs sensor 1-4 and valve rod torque sensor 1-5；Sensor assembly 101 also can only make according to actual needs
With above-mentioned operative sensor.Sensor assembly 101 reserves 4 tunnel 4~20mA signaling interfaces, expansible increase other sensors.Remove
Outside stem position sensor and valve rod torque sensor, sensor outputting standard 4~20mA signals.
Stem position sensor is contactless Hall sensor, is two road analog outputs, signal Vx, Vy, valve
Following relation between the rotational angle of bar and the output signal of sensor be present：
Valve rod torque sensor is bridge-type resistance strain gage, the output voltage U of electric bridgeoutThe moment of torsion M born with valve rod it
Between following relation be present:
M=λ Uout
Wherein
E is the Young's modulus of stem material in formula；D is stem diameter；μ is the Poisson's ratio of stem material；K is strain sheet material
The sensitivity coefficient of material；UinFor the input voltage of electric bridge, generally 12V.
Data transfer：
(1) system electrification, each valve intelligent terminal is according to sign number and channel number the composition Zigbee network set；
(2) valve rod setting in motion, trigger data acquisition program；After valve rod stop motion, data acquisition terminates；Sensing
Device data are stored in valve intelligent terminal；
(3) Zigbee module of valve intelligent terminal sends request to main control device Zigbee module, obtains allowing to send
The data of preservation are sent to main control module by Zigbee module after the order of data；
(4) main control device receives data and preserved；
(5) main control device sends data transfer request in a manner of TCP/IP by GPRS module to remote monitoring platform, obtains
Data are transmitted to remote monitoring platform after to permission；
(6) monitor supervision platform preserves data after receiving data.
It is that the valve working under health status is preset on remote monitoring platform that the system, which implements fault diagnosis,
When each parameter variation tendency, the trend be valve working standard curve, as the normative reference of follow-up diagnosis.Subsequently
For each supplemental characteristic caused by valve operation compared with it, the threshold value more than setting is to judge the generation of failure.
To rotate the example of the valve rod rotation angle of class valve change to illustrate the data diagnosis process of this patent：
Service data in database is taken out and is compared with reference data, reference data is that valve rod is uniform from 90 degree
It is changed to 0 degree.As shown in figure 3, when valve rod change in location in motion process is shaken, it is impossible to even variation, can determine that for
There are jam faults in valve.As shown in figure 4, work as stem position energy even variation, but after stop motion valve rod final position
It is not 0 degree, has can determine that foreign matter falls into valve sealing face, valve can not close in place.
Claims (2)
1. a kind of valve remote failure diagnosis system based on technology of Internet of things, it is characterized in that：Including multiple intelligent valve terminals,
Intelligent valve terminal is communicated by zigbee network and main control device, and main control device is led to by internet and remote monitoring platform
News；The intelligent valve terminal include sensor assembly, gather sensor signal data acquisition module and by signal send
Zigbee modules；The main control device includes the GPRS moulds for receiving the zigbee modules of Zigbee network signal and sending signal
Block；The remote monitoring platform includes database module, data is carried out with the real-time display module and alarm module of real-time display；
The sensor assembly includes pressure transmitter, stem position sensor, temperature transmitter, VOCs sensors and valve rod moment of torsion and passed
Sensor；
Stem position sensor is contactless Hall sensor, is two road analog outputs, signal Vx, Vy, valve rod
Following relation between rotational angle and the output signal of sensor be present：
Valve rod torque sensor is bridge-type resistance strain gage, the output voltage U of electric bridgeoutDeposited between the moment of torsion M that bears of valve rod
In following relation:
M=λ Uout
Wherein
<mrow>
<mi>&lambda;</mi>
<mo>=</mo>
<mfrac>
<mrow>
<msup>
<mi>&pi;Ed</mi>
<mn>3</mn>
</msup>
</mrow>
<mrow>
<mn>2</mn>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>+</mo>
<mi>&mu;</mi>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
<mo>&CenterDot;</mo>
<mfrac>
<mn>1</mn>
<mrow>
<msub>
<mi>kU</mi>
<mrow>
<mi>i</mi>
<mi>n</mi>
</mrow>
</msub>
</mrow>
</mfrac>
</mrow>
E is the Young's modulus of stem material in formula；D is stem diameter；μ is the Poisson's ratio of stem material；K is strain sheet material
Sensitivity coefficient；UinFor the input voltage of electric bridge.
2. the valve remote failure diagnosis system according to claim 1 based on technology of Internet of things, it is characterized in that：Data pass
Pass process：
(1) system electrification, each valve intelligent terminal is according to sign number and channel number the composition Zigbee network set；
(2) valve rod setting in motion, trigger data acquisition program；After valve rod stop motion, data acquisition terminates；Sensor number
According to being stored in valve intelligent terminal；
(3) Zigbee module of valve intelligent terminal sends request to main control device Zigbee module, obtains allowing to send data
Order after the data of preservation are sent to main control module by Zigbee module；
(4) main control device receives data and preserved；
(5) main control device sends data transfer request in a manner of TCP/IP by GPRS module to remote monitoring platform, is permitted
Perhaps data are transmitted to remote monitoring platform after；
(6) monitor supervision platform preserves data after receiving data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116308.1A CN105759786B (en) | 2016-03-01 | 2016-03-01 | Valve remote failure diagnosis system based on technology of Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116308.1A CN105759786B (en) | 2016-03-01 | 2016-03-01 | Valve remote failure diagnosis system based on technology of Internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105759786A CN105759786A (en) | 2016-07-13 |
| CN105759786B true CN105759786B (en) | 2018-01-30 |
Family
ID=56332285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610116308.1A Active CN105759786B (en) | 2016-03-01 | 2016-03-01 | Valve remote failure diagnosis system based on technology of Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105759786B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154935A (en) * | 2016-08-31 | 2016-11-23 | 江苏亿阀集团有限公司 | A kind of regulation valve Intelligent Measurement monitoring system |
| CN106647546A (en) * | 2017-03-03 | 2017-05-10 | 河南威盛电气有限公司 | Intelligent terminal for gate and valve monitoring information based on Internet of Things |
| CN109826991B (en) * | 2017-11-23 | 2020-12-04 | 西门子瑞士有限公司 | Actuating mechanism, control valve and valve control system |
| CN109974770A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of motor-driven valve condition detecting system and method |
| WO2020008247A1 (en) * | 2018-07-04 | 2020-01-09 | L&T Valves Limited | System and method for health diagnosis and maintenance of industrial units |
| CN109027375A (en) * | 2018-08-10 | 2018-12-18 | 黄云鹏 | A kind of valve observing and controlling information intelligent terminal based on Internet of Things |
| CN110261050B (en) * | 2019-07-31 | 2021-07-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Butterfly valve sealing performance monitoring device and monitoring method based on valve rod torque change |
| CN113758704B (en) * | 2020-06-05 | 2024-02-27 | 国核电站运行服务技术有限公司 | Intelligent diagnosis and monitoring system and method for valve, terminal and intelligent terminal |
| CN113341795A (en) * | 2021-05-21 | 2021-09-03 | 超达阀门集团股份有限公司 | Remote monitoring and early warning system for chemical valve faults |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247885A (en) * | 1995-03-09 | 1996-09-27 | Okano Valve Seizo Kk | Abnormality detection device for valve device |
| KR20010064509A (en) * | 1999-12-29 | 2001-07-09 | 김형국 | Diagnostic circuit for power plant valves in operating |
| CN101739800A (en) * | 2009-12-29 | 2010-06-16 | 上海交通大学 | Wireless sensor technology-based valve data acquisition system |
| CN201902674U (en) * | 2010-12-15 | 2011-07-20 | 上海宝钢设备检修有限公司 | Online valve status monitoring system based on ZigBee technology |
| CN102193542A (en) * | 2011-03-18 | 2011-09-21 | 徐州凌特自动化工程有限公司 | Intelligent sensing and control node of gate |
-
2016
- 2016-03-01 CN CN201610116308.1A patent/CN105759786B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08247885A (en) * | 1995-03-09 | 1996-09-27 | Okano Valve Seizo Kk | Abnormality detection device for valve device |
| KR20010064509A (en) * | 1999-12-29 | 2001-07-09 | 김형국 | Diagnostic circuit for power plant valves in operating |
| CN101739800A (en) * | 2009-12-29 | 2010-06-16 | 上海交通大学 | Wireless sensor technology-based valve data acquisition system |
| CN201902674U (en) * | 2010-12-15 | 2011-07-20 | 上海宝钢设备检修有限公司 | Online valve status monitoring system based on ZigBee technology |
| CN102193542A (en) * | 2011-03-18 | 2011-09-21 | 徐州凌特自动化工程有限公司 | Intelligent sensing and control node of gate |
Non-Patent Citations (2)
| Title |
|---|
| 阀门故障诊断技术综述;陈林等;《流体机械》;20150930;第43卷(第9期);36-40页 * |
| 阀门诊断技术在核电厂设备采购中的应用;柏冰等;《化工自动化及仪表》;20130310;第40卷(第3期);387-389页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105759786A (en) | 2016-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105759786B (en) | Valve remote failure diagnosis system based on technology of Internet of things | |
| CN101960193B (en) | For detecting the diagnostic method of control valve component failure | |
| EP2020001B1 (en) | Dedicated process diagnostic device | |
| CN205506374U (en) | Long -range fault diagnostic of valve based on internet of things | |
| US20090088906A1 (en) | Knowledge based valve control method | |
| CN101878415B (en) | Process fluid pressure transmitter with pressure transient detection | |
| CN101726408A (en) | Pressure relief valve monitoring system and method | |
| WO2008040018A3 (en) | Abnormal situation prevention in a heat exchanger | |
| EP1920302A1 (en) | Sensor simulator | |
| KR20190012325A (en) | Intelligent control valve with safety function based on self-diagnosis function and control valve management system using it | |
| CN100533109C (en) | Actuator fault diagnosis method | |
| CN107883056B (en) | Real-time online safety valve monitoring system and safety valve leakage monitoring method | |
| WO2007137988A2 (en) | Measuring transducer | |
| WO2018050439A1 (en) | Fitting for a fluid-conducting system | |
| CN114200981B (en) | System and method for controlling temperature of top of distillation column | |
| CN205247554U (en) | Air tubular line type heat fire detector that can real -time supervision pipeline trouble | |
| CN205619961U (en) | Intelligence parameter measurement device | |
| CN211318086U (en) | On-site detection device and system for realizing maintenance-free gas density relay | |
| CN107269627A (en) | A kind of remote status show and accident analysis application system | |
| CN103456120B (en) | Two gas circuit line-type heat detector and detection method thereof | |
| CN105438990B (en) | Hydraulic grab Autonomous test and security system and method | |
| CN203258170U (en) | Inflation and deflation control valve fault early warning system | |
| CN102692877A (en) | ZIGBEE-based major hazard source monitoring and simulating experimental system | |
| CN218326490U (en) | Intelligent valve detection system based on time series anomaly detection | |
| CN207395860U (en) | Water flow indicator test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |