CN106154978A - A kind of dynamic equipment condition monitoring and fault diagnosis security system - Google Patents
A kind of dynamic equipment condition monitoring and fault diagnosis security system Download PDFInfo
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- CN106154978A CN106154978A CN201610502764.XA CN201610502764A CN106154978A CN 106154978 A CN106154978 A CN 106154978A CN 201610502764 A CN201610502764 A CN 201610502764A CN 106154978 A CN106154978 A CN 106154978A
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- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
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- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
A kind of dynamic equipment condition monitoring and fault diagnosis security system, including data transmission device and data acquisition unit, its characteristic is: arrange data acquisition unit on vibratory equipment, the outfan of data acquisition unit connects database server by data transmission device, and database server connects monitoring computer by telecommunication network；Data acquisition unit is arranged on vibratory equipment, gathers vibratory equipment parameter, then carries out storing, analyze and processing by data transmission device input database server；Database analysis and process are vibratory equipment parameter carries out data analysis, computing, to judge and report to the police, and carrying out early warning before fault occurs, its data pass through Web Publishing, are remotely monitored by monitoring computer.
Description
Technical field
The present invention relates to a kind of dynamic equipment condition monitoring and fault diagnosis security system, belong to vibratory equipment technical field.
Background technology
The asset intensive enterprise such as oil, chemical industry, electric power, coal have equipment dependency degree height, equipment maintenance cost
High and that shutdown loss is big feature.The running status of equipment can not obtain from Daily Round Check and maintenance completely, the most large-scale
Even if it is the most abnormal that unit also can only understand operation by its operating state monitoring system carried, can not judge and prediction machine
Group unit failure, relies primarily on producer's periodic maintenance and safeguards, unrealized aggressive preventative maintenance.
Summary of the invention
According to above deficiency of the prior art, the problem to be solved in the present invention is: the invention provides a kind of dynamic equipment
Status monitoring and fault diagnosis security system, observe frequency structure and the amplitude of each harmonic signal by frequency-region signal, thus can
Foreseeability discloses the failure cause of equipment.It is based on the advanced virtual instrument technique applied at present widely, simultaneously
Incorporating signal processing techniques and sensor technology, extract the vibration signal produced in Large-scale machine set running and divide
Analysis, completes on-line fault diagnosis.
The technical solution adopted for the present invention to solve the technical problems is: a kind of dynamic equipment condition monitoring and fault diagnosis peace
Total system, including data transmission device and data acquisition unit, arranges data acquisition unit, data acquisition packaging on vibratory equipment
The outfan put connects database server by data transmission device, and database server connects monitoring by telecommunication network
Computer；Data acquisition unit includes two acceleration transducers and a velocity sensor, is used for obtaining Digit Control Machine Tool and produces
Vibration signal；Two the first signal conditioners, the outfan with a described acceleration transducer is connected respectively, for right
The signal of described acceleration transducer output is nursed one's health and is exported；Secondary signal conditioner, defeated with described velocity sensor
Go out end to be connected, nurse one's health for the signal that described velocity sensor is exported and export；Data collecting card, with described first
Signal conditioner is connected with secondary signal conditioner, is used for gathering and export the first signal conditioner and secondary signal conditioner
The signal of output after conditioning；Data acquisition unit is separately positioned on vibratory equipment, gathers vibratory equipment parameter, then by number
Carry out storing, analyze and processing according to transmitting device input database server；Database analysis and process are to be joined by vibratory equipment
Number carries out data analysis, computing, judges and report to the police, and carrying out early warning before fault occurs, its data pass through Web Publishing, by prison
Control computer remotely monitors.
Described database analysis refers to the vibratory equipment parameter of vibratory equipment collection in worksite through data base with processing
Process and analysis, according to data base, the situation of whole dynamic equipment is changed trend analysis and the prior early warning of fault, data
The Monitoring Data in storehouse be a periodically continued monitoring and can the service data that gathered of persistence, by network utilisation standard
Instrument show and analysis computer configuration on procedural information and historical data, after treatment, Web server provide current history
Process data and warning message, send Email when there being alert event by network.
Monitoring point existing for equipment, data acquisition unit controls system by database server with having monitored PLC
The configuration of system is connected, and PLC control system is monitored and controlled the data of data acquisition unit in real time and is uploaded to database server
Carry out data input.
Described data transmission device can use wirelessly or non-wirelessly mode comprehensive transmission.When employing is wirelessly transferred, by wireless
Transmission equipment is converted into wireless signal vibratory equipment in-site measurement signal, and then wireless signal is changed defeated by radio receiver
Enter into digital data transmission to database server.
The invention has the beneficial effects as follows, equipment condition monitoring and fault diagnosis system are the special rule run according to equipment
Rule, after carrying out signals collecting, data process, carries out equipment fault analysis according to amplitude, frequency, phase place and relevant collection of illustrative plates, will set
Standby fault or equipment fault trend feed back to regulatory authorities timely and effectively, it is ensured that the reliable and safety that equipment runs.
By vibration frequency specturm analysis, real-time watch device state, and judge equipment fault trend；Realized by autonomous algorithm
Automatization and informationalized depth integration and data analysis；Equipment fault or damage judgement can be accurate to component-level；Realize with
The linkage of the work such as business risk management and control, hidden troubles removing, major hazard source；Long-term equipment state Mishap Database accumulation；Right
Typical fault carries out Three Dimensional Dynamic Simulation.
Detailed description of the invention
The present invention is described in further detail below.
Embodiment 1
A kind of NC machine tool state monitoring and fault diagnosis security system, including data transmission device and data acquisition unit, its
Characteristic is: arrange data acquisition unit on vibratory equipment, and the outfan of data acquisition unit is by data transmission device even
Connecing database server, database server connects monitoring computer by telecommunication network；Data acquisition unit includes that two add
Velocity sensor and a velocity sensor, for obtaining the vibration signal that Digit Control Machine Tool produces；Two the first signal conditioners,
Outfan with a described acceleration transducer is connected respectively, carries out for the signal exporting described acceleration transducer
Nurse one's health and export；Secondary signal conditioner, is connected with the outfan of described velocity sensor, for described velocity sensor
The signal of output is nursed one's health and is exported；Data collecting card, is connected with described first signal conditioner and secondary signal conditioner
Connect, the signal of output after gathering and export the first signal conditioner and the conditioning of secondary signal conditioner；Data acquisition unit
It is separately positioned on vibratory equipment, gathers vibratory equipment parameter, then entered by data transmission device input database server
Row stores, analyzes and process；Database analysis and process are vibratory equipment parameter carries out data analysis, computing, to judge and report
Alert, before fault occurs, carry out early warning, its data pass through Web Publishing, are remotely monitored by monitoring computer.
Described acceleration transducer is YD-12 type piezoelectric acceleration sensor, and the model of described first signal conditioner is
DHF-7 type signal conditioner, the model of secondary signal conditioner is YSD-2A type signal conditioner, and described velocity sensor is
YSD-2A type velocity sensor, the model of described data collecting card be USB-4711 grind China data collecting card.
Specifically, it is applied to the embodiment of the present invention CK6140 type numerically controlled lathe is carried out fault detection and diagnosis analysis.
Two YD-12 type piezoelectric acceleration sensors are arranged on main spindle box and workbench by magnetic support respectively, by a YSD-2A
Type velocity sensor is arranged on gearbox position, the most correspondingly connected signal conditioner DHF-7 and signal conditioner YSD-2A.
Owing to signal conditioner needs 24V direct current supply, so must external 24V DC source one.Then signal conditioner exports
For the current signal of 4-20mA, and grind China data collecting card USB-4711 and need the signal of input to be 0-10V voltage signal, therefore
This, seal in 500 Ω terminal resistances by terminal, be converted to voltage signal export grind China data collecting card USB-4711,
Being connected with monitoring computer finally by USB mode, the LabView software that computer is developed by National Instruments is put down
Platform, obtains the vibration signal of lathe generation and analyzes and processes, and once abrasion or ineffectiveness fault, vibration signal occurs in lathe
In must carry correspondence information, user by observation spectrogram can find in time to predict the most in advance, in order to enter in time
Row maintenance.
Described database analysis refers to the vibratory equipment parameter of vibratory equipment collection in worksite through data base with processing
Process and analysis, according to data base, the situation of whole dynamic equipment is changed trend analysis and the prior early warning of fault, data
The Monitoring Data in storehouse be a periodically continued monitoring and can the service data that gathered of persistence, by network utilisation standard
Instrument show and analysis computer configuration on procedural information and historical data, after treatment, Web server provide current history
Process data and warning message, send Email when there being alert event by network.
Monitoring point existing for equipment, data acquisition unit controls system by database server with having monitored PLC
The configuration of system is connected, and PLC control system is monitored and controlled the data of data acquisition unit in real time and is uploaded to database server
Carry out data input.
Described data transmission device can use wirelessly or non-wirelessly mode comprehensive transmission.When employing is wirelessly transferred, by wireless
Transmission equipment is converted into wireless signal vibratory equipment in-site measurement signal, and then wireless signal is changed defeated by radio receiver
Enter into digital data transmission to database server.
Embodiment described above is merely to illustrate technological thought and the feature of the present invention, in its object is to make this area
Technical staff will appreciate that present disclosure and implement according to this, it is impossible to only limit the patent model of the present invention with the present embodiment
Enclose, the most all equal changes made according to disclosed spirit or modification, still fall in the scope of the claims of the present invention.
Claims (4)
1. dynamic equipment condition monitoring and a fault diagnosis security system, including data transmission device and data acquisition unit, its
Characteristic is: arrange data acquisition unit on vibratory equipment, and the outfan of data acquisition unit is by data transmission device even
Connecing database server, database server connects monitoring computer by telecommunication network；Data acquisition unit includes that two add
Velocity sensor and a velocity sensor, for obtaining the vibration signal that Digit Control Machine Tool produces；Two the first signal conditioners,
Outfan with a described acceleration transducer is connected respectively, carries out for the signal exporting described acceleration transducer
Nurse one's health and export；Secondary signal conditioner, is connected with the outfan of described velocity sensor, for described velocity sensor
The signal of output is nursed one's health and is exported；Data collecting card, is connected with described first signal conditioner and secondary signal conditioner
Connect, the signal of output after gathering and export the first signal conditioner and the conditioning of secondary signal conditioner；Data acquisition unit
It is separately positioned on vibratory equipment, gathers vibratory equipment parameter, then entered by data transmission device input database server
Row stores, analyzes and process；Database analysis and process are vibratory equipment parameter carries out data analysis, computing, to judge and report
Alert, before fault occurs, carry out early warning, its data pass through Web Publishing, are remotely monitored by monitoring computer.
Dynamic equipment condition monitoring the most according to claim 1 and fault diagnosis security system, it is characterised in that described number
Analyze according to storehouse and refer to the vibratory equipment parameter of vibratory equipment collection in worksite through the process of data base and analysis with processing, according to
Data base is changed trend analysis and the prior early warning of fault to the situation of whole dynamic equipment, and the Monitoring Data of data base is one
The service data that periodically continued monitoring energy persistence are gathered, is shown and analysis computer by network utilisation conventional tool
Procedural information in configuration and historical data, after treatment, Web server provides process data and the alarm signal of current history
Breath, sends Email when there being alert event by network.
Dynamic equipment condition monitoring the most according to claim 1 and fault diagnosis security system, it is characterised in that for equipment
Existing monitoring point, data acquisition unit is connected with the configuration having monitored PLC control system by database server,
PLC control system is monitored and controlled the data of data acquisition unit in real time and is uploaded to database server and carries out data input.
Dynamic equipment condition monitoring the most according to claim 1 and fault diagnosis security system, it is characterised in that described data
Transmitting device can use wirelessly or non-wirelessly mode comprehensive transmission, when employing is wirelessly transferred, by wireless transmission device, vibration is set
Standby in-site measurement signal is converted into wireless signal, and then wireless signal conversion is entered as digital data transmission by radio receiver
To database server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610502764.XA CN106154978A (en) | 2016-07-01 | 2016-07-01 | A kind of dynamic equipment condition monitoring and fault diagnosis security system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610502764.XA CN106154978A (en) | 2016-07-01 | 2016-07-01 | A kind of dynamic equipment condition monitoring and fault diagnosis security system |
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| CN106154978A true CN106154978A (en) | 2016-11-23 |
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| CN201610502764.XA Pending CN106154978A (en) | 2016-07-01 | 2016-07-01 | A kind of dynamic equipment condition monitoring and fault diagnosis security system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644381A (en) * | 2016-12-23 | 2017-05-10 | 中国水利水电科学研究院 | Monitoring system for water current induced ground vibration |
| CN107345857A (en) * | 2017-06-09 | 2017-11-14 | 昆明理工大学 | A kind of electro spindle condition monitoring and failure diagnosis system and its monitoring, diagnosing method |
| CN107608322A (en) * | 2017-09-21 | 2018-01-19 | 河南中烟工业有限责任公司 | A kind of cigar mill's dedusting room monitoring system of operation state of motors |
| CN108038553A (en) * | 2017-12-13 | 2018-05-15 | 科大集智数据科技（武汉）有限公司 | Milling equipment state on_line monitoring and diagnostic system and monitoring, diagnosing method |
| CN108105081A (en) * | 2018-02-05 | 2018-06-01 | 中国石油化工股份有限公司 | Water filling pump assembly method for diagnosing faults and device |
| CN109933500A (en) * | 2019-03-27 | 2019-06-25 | 新奥数能科技有限公司 | Equipment fault alarm method, device, readable medium and electronic equipment |
| CN113280910A (en) * | 2021-04-27 | 2021-08-20 | 圣名科技(广州)有限责任公司 | Real-time monitoring method and system for long product production line equipment |
| CN114466049A (en) * | 2022-03-11 | 2022-05-10 | 深圳高度创新技术有限公司 | Remote equipment working state monitoring system and method |
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| CN101697072A (en) * | 2009-10-29 | 2010-04-21 | 上海第二工业大学 | System and method for diagnosing faults of numerical control machine |
| CN103488139A (en) * | 2013-09-05 | 2014-01-01 | 山东博润工业技术股份有限公司 | Intelligent monitoring system for vibrating device |
| EP2685334A2 (en) * | 2012-07-11 | 2014-01-15 | Omron Corporation | Safety system and control device |
| CN105651376A (en) * | 2014-11-10 | 2016-06-08 | 上海宝钢工业技术服务有限公司 | Mechanical equipment offline detection system vibration signal spectrum analysis and alarm method |
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| CN101697072A (en) * | 2009-10-29 | 2010-04-21 | 上海第二工业大学 | System and method for diagnosing faults of numerical control machine |
| EP2685334A2 (en) * | 2012-07-11 | 2014-01-15 | Omron Corporation | Safety system and control device |
| CN103488139A (en) * | 2013-09-05 | 2014-01-01 | 山东博润工业技术股份有限公司 | Intelligent monitoring system for vibrating device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644381A (en) * | 2016-12-23 | 2017-05-10 | 中国水利水电科学研究院 | Monitoring system for water current induced ground vibration |
| CN107345857A (en) * | 2017-06-09 | 2017-11-14 | 昆明理工大学 | A kind of electro spindle condition monitoring and failure diagnosis system and its monitoring, diagnosing method |
| CN107608322A (en) * | 2017-09-21 | 2018-01-19 | 河南中烟工业有限责任公司 | A kind of cigar mill's dedusting room monitoring system of operation state of motors |
| CN108038553A (en) * | 2017-12-13 | 2018-05-15 | 科大集智数据科技（武汉）有限公司 | Milling equipment state on_line monitoring and diagnostic system and monitoring, diagnosing method |
| CN108038553B (en) * | 2017-12-13 | 2021-08-17 | 科大集智数据科技（武汉）有限公司 | Rolling mill equipment state on-line monitoring and diagnosing system and monitoring and diagnosing method |
| CN108105081A (en) * | 2018-02-05 | 2018-06-01 | 中国石油化工股份有限公司 | Water filling pump assembly method for diagnosing faults and device |
| CN108105081B (en) * | 2018-02-05 | 2023-10-27 | 中国石油化工股份有限公司 | Water injection pump unit fault diagnosis method and device |
| CN109933500A (en) * | 2019-03-27 | 2019-06-25 | 新奥数能科技有限公司 | Equipment fault alarm method, device, readable medium and electronic equipment |
| CN113280910A (en) * | 2021-04-27 | 2021-08-20 | 圣名科技(广州)有限责任公司 | Real-time monitoring method and system for long product production line equipment |
| CN114466049A (en) * | 2022-03-11 | 2022-05-10 | 深圳高度创新技术有限公司 | Remote equipment working state monitoring system and method |
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Application publication date: 20161123 |