CN103454114B - The diagnosis of mesolow gas pressure regulator, governor operation troubles and safety early warning device and method - Google Patents
The diagnosis of mesolow gas pressure regulator, governor operation troubles and safety early warning device and method Download PDFInfo
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- CN103454114B CN103454114B CN201310440130.2A CN201310440130A CN103454114B CN 103454114 B CN103454114 B CN 103454114B CN 201310440130 A CN201310440130 A CN 201310440130A CN 103454114 B CN103454114 B CN 103454114B
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Abstract
The invention discloses a kind of mesolow gas pressure regulator, governor operation troubles diagnosis and safety early warning device and method, process and fault diagnosis main frame including two pressure measurement transmitter, data recording field instrument, data.Said two pressure measurement transmitter is separately mounted on the pipeline of medium pressure gas pipeline side and low-pressure fuel gas pipeline side, and its data output end is connected with data recording field instrument.By working method, Off-line faults diagnosis is that described data recording field instrument is connected transmission field data with the timing of movable data unit, then processes and fault diagnosis host duplication field data to data.On-line fault diagnosis is that data recording field instrument sends the data to connected data communication unit, and data communication unit sends data to data in the way of wired or wireless communication and processes and fault diagnosis main frame.The present invention can solve the secure data of centering low-pressure fuel gas pressure regulator and carries out Real-time Collection and process, the technical problem of automatic tracing trouble.
Description
Technical field
The present invention relates to a kind of gas safety detection technology.
Background technology
Mesolow gas pressure regulator, governor is in actual use, it may appear that fault, and generally can be embodied in the pressure values of its import and export, in order to ensure the operation safety of mesolow gas pressure regulator, governor, it is necessary to above-mentioned real time data acquisition, regularly process.
Summary of the invention
It is an object of the invention to provide a kind of mesolow gas pressure regulator, governor operation troubles diagnosis and safety early warning device and method, the secure data to solve centering low-pressure fuel gas pressure regulator carries out Real-time Collection and processes, the technical problem of automatic tracing trouble.
In order to realize foregoing invention purpose, the technical scheme at place of the present invention is as follows:
A kind of mesolow gas pressure regulator, governor operation troubles diagnosis and safety early warning device, process and fault diagnosis main frame including two pressure measurement transmitter, data recording field instrument, data；Said two pressure measurement transmitter is separately mounted on the medium pressure gas pipeline side of mesolow gas pressure regulator, governor and the pipeline of low-pressure fuel gas pipeline side, gather and import and export pressure values, its data output end is connected with the data recording field instrument that measured value carries out digital-to-analogue conversion and correction, and data recording field instrument has internal storage；By working method, Off-line faults diagnosis is that described data recording field instrument is connected transmission field data with the timing of movable data memorizer, and this movable data memorizer is processed and fault diagnosis host duplication field data to data by data-interface；On-line fault diagnosis is after analog-to-digital conversion and the correction that measured value is carried out necessity by data recording field instrument, according to the data acquiring frequency set, inlet pressure and discharge pressure measurement being sent to connected data communication unit, inlet pressure and discharge pressure measurement are sent in the way of wired or wireless communication and process and fault diagnosis main frame to data by data communication unit in real time.
A kind of mesolow gas pressure regulator, governor operation troubles diagnosis and safe early warning method, its step is as follows:
1), the operational factors such as measuring transducer automatic monitor for continuously mesolow gas pressure regulator, governor import pressure, back pressure value and ambient temperature are set at the scene, and utilize data acquisition unit and information transfer channel to be sent to data process and fault diagnosis main frame in real time, it is possible to utilize data recording field instrument to record service data at the scene；
2), the service data that data process and fault diagnosis main frame are obtained online by information transfer channel or obtained by data recording field instrument off-line by regular time step-length and carries out Spectrum Analysis according to time series in units of the time cycle, the typical fault Spectral Characteristic that aforementioned waves analysis of spectrum result and pre research obtain is compared and identifies by intelligent trouble diagnosis main frame, makes fault diagnosis conclusion according to the result compared and identify；
3), intelligent trouble diagnosis main frame sends the warning of pressure regulator operation troubles automatically after making fault diagnosis conclusion and finding fault, warning is checked confirmation or elimination according to service data record and personal experience by operator, and intelligent trouble diagnosis main frame will be checked situation according to operator and automatically revise typical case's wave spectrum knowledge base；
4), the intelligent trouble diagnosis main frame result that compares according to aforementioned waves analysis of spectrum and typical fault Spectral Characteristic, identify, and the historical data variation tendency for the previous period of reference, pressure regulator is run and safe carries out early warning.
The present invention has real-time storage field data, timing transmits and online or off-line automatically analyzes the effect of fault.
Accompanying drawing explanation
Fig. 1 is the Off-line faults diagnosis information transfer principle figure of the present invention.
Fig. 2 is the on-line fault diagnosis information transfer principle figure of the present invention.
Fig. 3 is the workflow diagram of the present invention.
Accompanying drawing number: 1, medium pressure gas pipeline, 2, inlet pressure measuring transducer, 3, gas regulator, 4, outlet pressure measuring transducer, 5, low-pressure fuel gas pipeline, 6, data recording field instrument, 7, movable data bin, 8, data process and fault diagnosis main frame, 9, read data wire, 10, unloading data wire, 11, data communication unit.
Detailed description of the invention
The Off-line faults diagnosis information transfer principle of the present invention is referring to Fig. 1.This device includes: two pressure measurement transmitter 2,4, data recording field instrument 6, movable data memorizer 7, and data process and fault diagnosis main frame 8.
Two pressure measurement transmitter 2,4 detect mesolow gas pressure regulator, governor import pressure and back pressure value respectively and it are sent to data recording field instrument 6 in real time；Measured value is carried out after the modulus (A/D) of necessity converts and revise, according to the data acquiring frequency set, inlet pressure and discharge pressure measurement and measurement time being stored in internal storage by data recording field instrument 6；Record data, to movable data memorizer 7, are then copied to data and process and fault diagnosis main frame 8 by the data conversion storage regularly stored by data recording field instrument 6；Data process and fault diagnosis main frame 8 carries out off-line data process and analysis according to the specific data processing algorithm mesolow gas pressure regulator, governor inlet pressure to obtaining and discharge pressure measurement, and automatically diagnose pressure regulator fault according to analyzing result.
On-line fault diagnosis circuit structure is referring to Fig. 2.This device includes: two pressure measurement transmitter 2,4, data recording field instrument 6, data communication unit 11, and data process and fault diagnosis main frame 8.
Two pressure measurement transmitter 2,4 detect mesolow gas pressure regulator, governor import pressure and back pressure value respectively and it are sent to data recording field instrument 6 in real time；Measured value is carried out the modulus (A/D) of necessity and converts and after correction by data recording field instrument 6, according to the data acquiring frequency set, inlet pressure and discharge pressure measurement is sent to data communication unit 11；Inlet pressure and discharge pressure measurement are sent in the way of wired or wireless communication and process and fault diagnosis main frame 8 to data by data communication unit 11 in real time；Data process and fault diagnosis main frame 8 according to specific data processing algorithm with specific data processing cycle to obtain mesolow gas pressure regulator, governor inlet pressure and discharge pressure measurement carry out data process and analysis and according to analyze result automatically send pressure regulator run safe early warning；Data process and the safe early warning that finally sends of fault diagnosis main frame 8 can point out by host display, sound and light alarm, dial the mode such as designated telephone, transmission text prompt note realize to host computer transmission alarm signal, automatic speech.
The method of work of the diagnosis of above-mentioned mesolow gas pressure regulator, governor operation troubles and safety early warning device is referring to Fig. 3, and its step is as follows:
1), the operational factors such as measuring transducer automatic monitor for continuously mesolow gas pressure regulator, governor import pressure, back pressure value and ambient temperature are set at the scene, and utilize data acquisition unit and information transfer channel to be sent to data process and fault diagnosis main frame in real time, it is possible to utilize data recording field instrument to record service data at the scene；
2), the service data that data process and fault diagnosis main frame are obtained online by information transfer channel or obtained by data recording field instrument off-line by regular time step-length and carries out Spectrum Analysis according to time series in units of the time cycle, the typical fault Spectral Characteristic that aforementioned waves analysis of spectrum result and pre research obtain is compared and identifies by intelligent trouble diagnosis main frame, makes fault diagnosis conclusion according to the result compared and identify；
3), intelligent trouble diagnosis main frame sends the warning of pressure regulator operation troubles automatically after making fault diagnosis conclusion and finding fault, warning is checked confirmation or elimination according to service data record and personal experience by operator, and intelligent trouble diagnosis main frame will be checked situation according to operator and automatically revise typical case's wave spectrum knowledge base；
4), the intelligent trouble diagnosis main frame result that compares according to aforementioned waves analysis of spectrum and typical fault Spectral Characteristic, identify, and the historical data variation tendency for the previous period of reference, pressure regulator is run and safe carries out early warning.
Claims (2)
1. a mesolow gas pressure regulator, governor operation troubles diagnosis and safety early warning device, it is characterised in that include inlet pressure measuring transducer, outlet pressure measuring transducer, data recording field instrument, data process and fault diagnosis main frame；Described inlet pressure measuring transducer is arranged on the pipeline of medium pressure gas pipeline side of mesolow gas pressure regulator, governor, described outlet pressure measuring transducer is arranged on the pipeline of low-pressure fuel gas pipeline side of mesolow gas pressure regulator, governor, gather and import and export pressure values, its data output end is connected with the data recording field instrument that measured value carries out digital-to-analogue conversion and correction, and data recording field instrument has internal storage；By working method, Off-line faults diagnosis is that described data recording field instrument is connected transmission field data with the timing of movable data memorizer, and this movable data memorizer is processed and fault diagnosis host duplication field data to data by data-interface；On-line fault diagnosis is after analog-to-digital conversion and the correction that measured value is carried out necessity by data recording field instrument, according to the data acquiring frequency set, inlet pressure and discharge pressure measurement being sent to connected data communication unit, inlet pressure and discharge pressure measurement are sent in the way of wired or wireless communication and process and fault diagnosis main frame to data by data communication unit in real time.
2. the diagnosis of mesolow gas pressure regulator, governor operation troubles and a safe early warning method, its step is as follows:
1), measuring transducer automatic monitor for continuously mesolow gas pressure regulator, governor inlet-pressure intensity values, back pressure value and ambient temperature are set at the scene, and utilize data acquisition unit and information transfer channel to be sent to data process and fault diagnosis main frame in real time, it is possible to utilize data recording field instrument to record service data at the scene；
2), the service data that data process and fault diagnosis main frame are obtained online by information transfer channel or obtained by data recording field instrument off-line by regular time step-length and carries out Spectrum Analysis according to time series in units of the time cycle, the typical fault Spectral Characteristic that aforementioned waves analysis of spectrum result and pre research obtain is compared and identifies by intelligent trouble diagnosis main frame, makes fault diagnosis conclusion according to the result compared and identify；
3), intelligent trouble diagnosis main frame sends the warning of pressure regulator operation troubles automatically after making fault diagnosis conclusion and finding fault, warning is checked confirmation or elimination according to service data record and personal experience by operator, and intelligent trouble diagnosis main frame will be checked situation according to operator and automatically revise typical case's wave spectrum knowledge base；
4), the intelligent trouble diagnosis main frame result that compares according to aforementioned waves analysis of spectrum and typical fault Spectral Characteristic, identify, and the historical data variation tendency for the previous period of reference, pressure regulator is run and safe carries out early warning.
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| CN104407601A (en) * | 2014-10-09 | 2015-03-11 | 讯腾数码科技（北京）有限公司 | Urban gas pipeline network pressure regulating equipment operation fault diagnosis method |
| CN105823943B (en) * | 2016-03-29 | 2018-05-25 | 烟台东方英达康自动化技术有限公司 | A kind of pressure regulator panting detection device and its detection method |
| CN110185929A (en) * | 2019-06-12 | 2019-08-30 | 青岛荣轩达检测服务有限公司 | The early warning system and its method of Gas Pressure Regulating Equipment |
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| US7677085B1 (en) * | 2006-10-02 | 2010-03-16 | Jin Bor Shyh Industrial Co., Ltd. | Gas leak detection apparatus |
| CN202049012U (en) * | 2011-05-11 | 2011-11-23 | 大丰市丰泰机电有限公司 | Combustion gas intelligent overpressure safety alarm pressure gauge |
| CN102564791A (en) * | 2011-12-29 | 2012-07-11 | 姚克农 | Pressure regulating property testing system of gas pressure regulator |
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| US4766762A (en) * | 1986-11-14 | 1988-08-30 | Tsan Su Li | Gas regulator with leakage-detecting device |
| US7677085B1 (en) * | 2006-10-02 | 2010-03-16 | Jin Bor Shyh Industrial Co., Ltd. | Gas leak detection apparatus |
| CN101251441A (en) * | 2008-03-20 | 2008-08-27 | 桂林电子科技大学 | Method and system for on-line monitoring car engine state |
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