CN110750903A - Fault analysis and diagnosis system and method for marine oil bearing - Google Patents
Fault analysis and diagnosis system and method for marine oil bearing Download PDFInfo
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Abstract
The invention provides a fault analysis and diagnosis system for an offshore oil bearing, which comprises a bearing data query module, a bearing fault analysis and diagnosis module and a bearing data update module; the bearing data query module, the bearing fault analysis module and the bearing data update module are connected with the database through operation on operation flows; wherein: the bearing data query module obtains the required bearing technical parameters through reading the operation flow; the bearing fault analysis module reads technical parameters of the operation flow, inputs data to be analyzed, diagnoses bearing faults and outputs a maintenance conclusion; the bearing data updating module is a process for writing operation flow after data calculation and processing in real time, and the invention provides help for monitoring and diagnosis, integrity construction and digital transformation of the marine oil state.
Description
Technical Field
The invention belongs to tools for maintenance, monitoring, analysis and diagnosis of marine oil production equipment, and particularly relates to a fault analysis and diagnosis system for a marine oil bearing.
Background
The movable equipment is a key component of the offshore oil platform, and the intrinsic safety of the movable equipment plays a crucial role in the safe production and operation of offshore oil. At present, the offshore oil carries out work in the aspects of mobile equipment integrity management construction, digital oil field construction and the like, and an equipment state monitoring technology is an important support for the work. The rolling bearing is a common component of the marine petroleum power equipment, and the failure of the rolling bearing is a common failure form of the marine petroleum power equipment. The rolling bearing is in failure, which may cause a serious accident that other components and equipment are damaged integrally, so how to calculate and analyze the failure of the rolling bearing of the marine oil is one of the key technologies for monitoring the development state of the marine oil.
At present, other brands have bearing fault frequency calculation software, but have the following problems: (1) the system is unstable and cannot stably and reliably operate in the current mainstream operating system; (2) the software tool is blocked, and the core intellectual property is not available, so that the software tool cannot be upgraded and updated; (3) the device does not have the function of analysis and diagnosis, and does not consider the characteristics of the marine oil.
In view of the above current situation, a marine oil rolling bearing fault calculation and analysis tool has been developed.
Disclosure of Invention
The system is combined with the characteristics and requirements of the state monitoring technology of the current marine oil, develops a marine oil rolling bearing fault calculation and analysis tool which is adapted to a mainstream operation system, is simple and convenient to install and stable in operation, considers the vibration standard and the diagnosis technology of marine oil dynamic equipment and has independent intellectual property rights, and provides assistance for marine oil state monitoring and diagnosis, integrity construction and digital transformation.
A fault analysis and diagnosis system for an offshore oil bearing comprises a bearing data query module, a bearing fault analysis module and a bearing data update module; the bearing data query module, the bearing fault analysis module and the bearing data update module are connected with the database through operation on operation flows; wherein:
the bearing data query module obtains the required bearing technical parameters through reading the operation flow;
the bearing fault analysis module reads technical parameters of the operation flow, inputs data to be analyzed, diagnoses bearing faults and outputs a maintenance conclusion;
the bearing data updating module is a writing operation flow process after data calculation processing is carried out in real time.
The bearing fault analysis module diagnoses and analyzes the bearing fault, and comprises the following steps:
the data acquisition unit extracts bearing technical parameters from the bearing data query module through the operation flow;
the fault judging unit compares the input bearing fault frequency with the bearing fault frequency parameter provided by the data acquisition unit to determine whether a fault exists; if bearing faults exist, the next step is carried out, otherwise, a prompt for maintaining the bearing and continuing to operate is output;
the fault frequency judging unit compares the input speed spectrum value and the acceleration spectrum value with the bearing speed spectrum value provided by the data acquisition unit; if velocity values in the velocity spectrum values are input<16mm/s and acceleration value<150mm/s2Outputting a bearing replacement early warning prompt when the machine is stopped; otherwise, outputting a bearing maintenance early warning prompt.
The method comprises the following steps:
the invention also adopts the following technical scheme:
the bearing data query module obtains the required bearing technical parameters through reading the operation flow;
the bearing fault analysis module reads technical parameters of the operation flow, inputs data to be analyzed, diagnoses bearing faults and outputs a maintenance conclusion;
the bearing data updating module is used for writing the data into an operation flow process after the data is calculated and processed in real time;
the bearing fault analysis module diagnoses and analyzes the bearing fault, and comprises the following steps:
the data acquisition unit extracts bearing technical parameters from the bearing data query module through the operation flow;
the fault judging unit compares the input bearing fault frequency with the bearing fault frequency parameter provided by the data acquisition unit to determine whether a fault exists;
the fault frequency judging unit compares the input speed spectrum value and the acceleration spectrum value with the bearing speed spectrum value provided by the data acquisition unit; if velocity values in the velocity spectrum values are input<16mm/s and acceleration value<150mm/s2Outputting a bearing replacement early warning prompt when the machine is stopped; otherwise, outputting a bearing maintenance early warning prompt.
Advantageous effects
1. The invention adopts advanced operation flow technology to realize the processing of data, simplifies the algorithm and improves the reliability of the software tool operation; the TXT text is adopted as the database of the software tool, so that the situation of whether or not the office of different versions exists can be adapted, the model of the marine oil common bearing can be met, and the lightweight of the software tool is improved; according to the marine oil vibration evaluation standard and the state monitoring and analyzing technology, a rolling bearing analysis model is designed, the rolling bearing fault analysis is realized, the reasonable maintenance suggestion is provided, and the functions of the existing tool are enriched.
2. According to the invention, the safe operation of the equipment is ensured through state monitoring, the equipment failure rate is reduced, the guarantee is provided for the production of the offshore platform, and the maintenance cost is reduced; and (4) getting through the equipment operation and maintenance data island and mining the data value. The intelligent analysis, diagnosis, decision making and optimization are realized, the management level is improved, and the digital transformation of a company is promoted.
3. The invention overcomes the defect that the prior art can not reliably operate in a windows 7/10 mainstream operating system, and simultaneously adds program modules with analysis and diagnosis functions and data updating functions, thereby realizing intelligent analysis, diagnosis, decision and optimization, improving management level and boosting digital transformation.
Drawings
FIG. 1 is a schematic structural diagram of a fault analysis and diagnosis system for an offshore oil bearing according to the present invention;
FIG. 2 is a flow chart of a bearing fault analysis module of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in FIG. 1, the invention provides a fault analysis and diagnosis system for a marine oil bearing, which comprises a bearing data query module, a bearing fault analysis module and a bearing data update module; the bearing data query module, the bearing fault analysis module and the bearing data update module are connected with the database through operation on operation flows; wherein, the query calculation and the analysis diagnosis are core functions; the database adopts TXT text to store relevant data of the marine oil rolling bearing (including 7333 bearing models and two brands); the functional processing of the software tool and the underlying database are realized by operation flow operations (reading and writing):
the bearing data query module obtains the required bearing technical parameters through reading the operation flow; the module can obtain the technical parameters of the rolling bearing through operation flow operation (reading) by selecting the brand and the type of the bearing and inputting the rotating speed of a unit (the rolling bearing), and carries out calculation processing to display the fault frequency of each part of the bearing, including the fault frequency of the parts such as the inner ring, the outer ring, the rolling body and the retainer. The system comprises a bearing data query module, a bearing fault analysis module and a bearing data update module; the bearing data query module, the bearing fault analysis module and the bearing data update module are connected with the database through operation on operation flows; wherein:
the bearing data query module obtains the required bearing technical parameters through reading the operation flow;
the bearing fault analysis module diagnoses the bearing fault by reading the operation flow and outputs a maintenance conclusion;
the bearing data updating module is a writing operation flow process after data calculation processing is carried out in real time.
The bearing fault analysis module diagnoses and analyzes the bearing fault, and comprises the following steps:
the data acquisition unit extracts bearing technical parameters from the bearing data query module through the operation flow;
the fault judging unit compares the input bearing fault frequency with the bearing fault frequency parameter provided by the data acquisition unit to determine whether a fault exists; if bearing faults exist, the next step is carried out, otherwise, a prompt for maintaining the bearing and continuing to operate is output;
the fault frequency judging unit compares the input speed spectrum value and the acceleration spectrum value with the bearing speed spectrum value provided by the data acquisition unit;
if velocity values in the velocity spectrum values are input<16mm/s and acceleration value<150mm/s2Outputting a bearing replacement early warning prompt when the machine is stopped; otherwise, outputting a bearing maintenance early warning prompt. The following contents are the core code of the query module in the invention:
as shown in fig. 2: the bearing fault analysis module diagnoses the bearing fault by reading the operation flow and outputs a maintenance conclusion;
the bearing fault analysis module diagnoses and analyzes the bearing fault, and comprises the following steps:
the data acquisition unit extracts bearing technical parameters from the bearing data query module through the operation flow;
the fault judging unit compares the input bearing fault frequency with the bearing fault frequency parameter provided by the data acquisition unit to determine whether a fault exists;
the fault frequency judging unit compares the input speed spectrum value with the bearing speed spectrum value provided by the data acquisition unit; if velocity values in the velocity spectrum values are input<16mm/s and acceleration value<150mm/s2Outputting a bearing replacement early warning prompt when the machine is stopped; otherwise, outputting a bearing maintenance early warning prompt. The following contents are the core code of the query module in the invention: the following contents are the core codes of the bearing fault analysis module program
The bearing data updating module is a writing operation flow process after data calculation processing is carried out in real time. In order to keep the tool capable of realizing subsequent upgrading and data perfection, the module develops the data updating function of the tool when developing the tool. The method comprises the steps of performing certain calculation processing through a code program according to the brand, the model and the technical parameter information of the data rolling bearing, writing the information into a database through operation flow operation, and keeping the database data format standardized.
Claims (4)
1. A fault analysis and diagnosis system for an offshore oil bearing comprises a bearing data query module, a bearing fault analysis module and a bearing data update module; the system is characterized in that the bearing data query module, the bearing fault analysis module and the bearing data update module are connected with a database through operation on operation flows; wherein:
the bearing data query module obtains the required bearing technical parameters through reading the operation flow;
the bearing fault analysis module reads technical parameters of the operation flow, inputs data to be analyzed, diagnoses bearing faults and outputs a maintenance conclusion;
the bearing data updating module is a writing operation flow process after data calculation processing is carried out in real time.
2. The system for marine bearing fault analysis and diagnosis of claim 1, wherein the bearing fault analysis module performs a bearing fault diagnosis and analysis step, comprising:
the data acquisition unit extracts bearing technical parameters from the bearing data query module through the operation flow;
the fault judging unit compares the input bearing fault frequency with the bearing fault frequency parameter provided by the data acquisition unit to determine whether a fault exists; if bearing faults exist, the next step is carried out, otherwise, a prompt for maintaining the bearing and continuing to operate is output;
the fault frequency judging unit compares the input speed spectrum value and the acceleration spectrum value with the bearing speed spectrum value provided by the data acquisition unit; if velocity values in the velocity spectrum values are input<16mm/s and acceleration value<150mm/s2Outputting a bearing replacement early warning prompt when the machine is stopped; otherwise, outputting a bearing maintenance early warning prompt.
3. A fault analysis and diagnosis method for an offshore oil bearing is characterized by comprising the following steps:
the bearing data query module obtains the required bearing technical parameters through reading the operation flow;
the bearing fault analysis module diagnoses the bearing fault by reading the operation flow and outputs a maintenance conclusion;
the bearing data updating module is used for writing the data into an operation flow process after the data is calculated and processed in real time;
the bearing fault analysis module diagnoses and analyzes the bearing fault, and comprises the following steps:
the data acquisition unit extracts bearing technical parameters from the bearing data query module through the operation flow;
the fault judging unit compares the input bearing fault frequency with the bearing fault frequency parameter provided by the data acquisition unit to determine whether a fault exists; if bearing faults exist, the next step is carried out, otherwise, a prompt for maintaining the bearing and continuing to operate is output;
the fault frequency judging unit compares the input speed spectrum value and the acceleration spectrum value with the bearing speed spectrum value provided by the data acquisition unit; if velocity values in the velocity spectrum values are input<16mm/s and acceleration value<150mm/s2Outputting a bearing replacement early warning prompt when the machine is stopped; otherwise, outputting a bearing maintenance early warning prompt.
Computer readable
4. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method steps of claim 3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911004669.7A CN110750903A (en) | 2019-10-22 | 2019-10-22 | Fault analysis and diagnosis system and method for marine oil bearing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911004669.7A CN110750903A (en) | 2019-10-22 | 2019-10-22 | Fault analysis and diagnosis system and method for marine oil bearing |
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| CN110750903A true CN110750903A (en) | 2020-02-04 |
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| US20170060574A1 (en) * | 2015-08-27 | 2017-03-02 | FogHorn Systems, Inc. | Edge Intelligence Platform, and Internet of Things Sensor Streams System |
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| US20190096223A1 (en) * | 2017-09-28 | 2019-03-28 | Rockwell Automation Technologies, Inc. | System and Method for Personalized Alarm Notifications in an Industrial Automation Environment |
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2019
- 2019-10-22 CN CN201911004669.7A patent/CN110750903A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| US20030004656A1 (en) * | 1999-02-22 | 2003-01-02 | Bjornson Carl C. | Apparatus and method for monitoring and maintaining plant equipment |
| CN101225532A (en) * | 2007-10-31 | 2008-07-23 | 北京华深中色科技发展有限公司 | Power supply safety on-line monitoring system for electrolytic aluminum production |
| US20170060574A1 (en) * | 2015-08-27 | 2017-03-02 | FogHorn Systems, Inc. | Edge Intelligence Platform, and Internet of Things Sensor Streams System |
| US20190096223A1 (en) * | 2017-09-28 | 2019-03-28 | Rockwell Automation Technologies, Inc. | System and Method for Personalized Alarm Notifications in an Industrial Automation Environment |
| CN109491341A (en) * | 2018-11-28 | 2019-03-19 | 北京迈斯康特测控技术有限公司 | Monitoring and data analysis system for oil field operation equipment |
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Application publication date: 20200204 |