CN105157845A - Electric equipment fault analysis and diagnosis method and system based on infrared imaging temperature measurement - Google Patents
Electric equipment fault analysis and diagnosis method and system based on infrared imaging temperature measurement Download PDFInfo
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- CN105157845A CN105157845A CN201510401341.4A CN201510401341A CN105157845A CN 105157845 A CN105157845 A CN 105157845A CN 201510401341 A CN201510401341 A CN 201510401341A CN 105157845 A CN105157845 A CN 105157845A
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Abstract
The invention discloses an electric equipment fault analysis and diagnosis method and a system based on infrared imaging temperature measurement. According to the method, an online infrared imaging temperature measurer is employed to carry out temperature measurement and video shooting for a detection part of electric equipment to acquire temperature measurement data and video data which are together transmitted to a monitoring computer in real time, fault analysis and diagnosis on the electric equipment are realized through line temperature analysis, equivalent temperature analysis, gradient temperature field distribution analysis and largest continuous load overheat spot temperature analysis on the monitoring computer. Through the method, all-day-round monitoring can be realized, a problem of a fault of the electric equipment can not be timely discovered through hand-operated temperature measurement is effectively solved, the present basic picture analysis situation is effectively expanded, and temperature measurement analysis and present equipment state timeliness are improved.
Description
Technical field
The present invention relates to a kind of electrical equipment fault analysis and diagnosis method and system, especially a kind of electrical equipment fault analysis and diagnosis method and system based on infrared imaging temperature measuring.
Background technology
Existing power equipment infrared measurement of temperature mainly contains as under type: 1, adopt handheld thermometer; 2, intelligent robot is adopted; 3, online monitoring.Handheld thermometer, personnel specialty of being taken pictures quality, environmental influence are serious and can not monitoring electrical equipment running status in real time, and temperature measurement data truly cannot reflect the state of equipment under certain environmental conditions; Intelligent robot thermometric not only affects by amblent air temperature, wants accurate positioning equipment to detect position simultaneously and also has problems; In addition, the mode of handheld thermometer and robot does not all reach the object of electrical equipment fault automatic analysis and diagnosis, need by means of expert's manual analyzing, the promptness of fault discovery also can not be guaranteed, more importantly can only reach and review afterwards, and real-time diagnosis can not analyze power equipment current operating conditions.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of electrical equipment fault analysis and diagnosis method and system based on infrared imaging temperature measuring, improves the validity of thermometric analysis, and solving cannot the problem of Timeliness coverage electrical equipment fault.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
Based on the electrical equipment fault analysis and diagnosis method of infrared imaging temperature measuring, it adopts online infrared imaging temperature measuring instrument to carry out thermometric and video capture to electric device maintenance position, the temperature measurement data obtained together with video data real-time Transmission to supervisory control comuter, by the analysis of line temperature, isothermal analysis, temperature gradient distributional analysis, maximum sustained load heat spot temperature analysis on supervisory control comuter, fault analysis and diagnosis are carried out to power equipment.
The above-mentioned electrical equipment fault analysis and diagnosis method based on infrared imaging temperature measuring, temperature measurement data can also be carried out together with video data video recording to store, the line temperature analysis carrying out electric device maintenance position by recording a video, isothermal analysis, temperature gradient distributional analysis, maximum sustained load heat spot temperature analysis.
Based on the electrical equipment fault analysis and diagnosis system of infrared imaging temperature measuring, it comprises online infrared imaging temperature measuring instrument, A/D converter, data sending device, supervisory control comuter, data storage device and Data Analysis Services module, online infrared imaging temperature measuring instrument for take power equipment infrared chart with visible images and output packet contains the relevant infrared chart simulating signal of the infrared chart of measured temperature; A/D converter is used for the infrared chart simulating signal of online infrared imaging temperature measuring instrument shooting to be transformed to digital signal; Data sending device is used for infrared chart and visible images data to send to supervisory control comuter; Data storage device is for storing infrared chart and visible images data; Data Analysis Services module is used for infrared chart and the process of visible images data analysis; Online infrared imaging temperature measuring instrument connection data dispensing device, A/D converter, data storage device are connected with supervisory control comuter with Data Analysis Services module.
Above-mentioned based in the electrical equipment fault analysis and diagnosis system of infrared imaging temperature measuring, online infrared imaging temperature measuring instrument is pan and tilt head binocular camera, there are a visible channel and an infrared channel, infrared chart and the visible images of power equipment can be taken simultaneously.
Beneficial effect of the present invention: compared with prior art, the present invention proposes a kind of based on video thermometric real-time diagnosis analytical approach first: in bit stream process, carry full video temperature measurement data, realize to carry out the analysis of line temperature, isothermal analysis, temperature gradient distributional analysis, maximum sustained load heat spot temperature analysis to electric device maintenance position on real-time video; Temperature measurement data is carried out video recording and is stored by the present invention together with video data, realizes also can carrying out the line temperature analysis at electric device maintenance position, isothermal analysis, temperature gradient distributional analysis, maximum sustained load heat spot temperature analysis by video recording; The present invention can realize whole day monitoring, efficiently solving Handheld temperature cannot the problem of Timeliness coverage electrical equipment fault, effectively expand the current situation substantially can only carrying out picture analyzing, improve the validity of thermometric analysis and the real-time of reaction current device state; The present invention stores temperature measurement data in history video, reviews provide effective approach for trend analysis and problem; The present invention, by analytical approach comprehensive integrations such as the analysis of line temperature, isothermal analysis, temperature gradient distributional analysis, maximum sustained load heat spot temperature analysis, provides effective method to the Integrated design of power equipment infrared measurement of temperature fault diagnosis system.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Embodiment
Embodiment 1.As shown in Figure 1, comprise online infrared imaging temperature measuring instrument, A/D converter, data sending device, supervisory control comuter, data storage device and Data Analysis Services module, online infrared imaging temperature measuring instrument is for taking infrared chart and the visible images of power equipment, and the infrared chart simulating signal that the infrared chart that output packet contains measured temperature is correlated with; A/D converter is used for the infrared chart simulating signal of online infrared imaging temperature measuring instrument shooting to be transformed to digital signal; Data sending device is used for infrared chart and visible images data to send to supervisory control comuter; Data storage device is for storing infrared chart and visible images data; Data Analysis Services module is used for infrared chart and the process of visible images data analysis; Online infrared imaging temperature measuring instrument connection data dispensing device, A/D converter, data storage device are connected with supervisory control comuter with Data Analysis Services module.Online infrared imaging temperature measuring instrument is pan and tilt head binocular camera, has a visible channel and an infrared channel, can take infrared chart and the visible images of power equipment simultaneously.
Claims (4)
1. based on the electrical equipment fault analysis and diagnosis method of infrared imaging temperature measuring, it is characterized in that: it adopts online infrared imaging temperature measuring instrument to carry out thermometric and video capture to electric device maintenance position, the temperature measurement data obtained together with video data real-time Transmission to supervisory control comuter, by the analysis of line temperature, isothermal analysis, temperature gradient distributional analysis, maximum sustained load heat spot temperature analysis on supervisory control comuter, fault analysis and diagnosis are carried out to power equipment.
2. the electrical equipment fault analysis and diagnosis method based on infrared imaging temperature measuring according to claim 1, it is characterized in that: temperature measurement data is carried out together with video data video recording and store, the line temperature analysis carrying out electric device maintenance position by recording a video, isothermal analysis, temperature gradient distributional analysis, maximum sustained load heat spot temperature analysis.
3. based on the electrical equipment fault analysis and diagnosis system of infrared imaging temperature measuring, it is characterized in that: comprise online infrared imaging temperature measuring instrument, A/D converter, data sending device, supervisory control comuter, data storage device and Data Analysis Services module, online infrared imaging temperature measuring instrument is for taking infrared chart and the visible images of power equipment, and the infrared chart simulating signal that the infrared chart that output packet contains measured temperature is correlated with; A/D converter is used for the infrared chart simulating signal of online infrared imaging temperature measuring instrument shooting to be transformed to digital signal; Data sending device is used for infrared chart and visible images data to send to supervisory control comuter; Data storage device is for storing infrared chart and visible images data; Data Analysis Services module is used for infrared chart and the process of visible images data analysis; Online infrared imaging temperature measuring instrument connection data dispensing device, A/D converter, data storage device are connected with supervisory control comuter with Data Analysis Services module.
4. the electrical equipment fault analysis and diagnosis system based on infrared imaging temperature measuring according to claim 3, it is characterized in that: described online infrared imaging temperature measuring instrument is pan and tilt head binocular camera, there are a visible channel and an infrared channel, infrared chart and the visible images of power equipment can be taken simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510401341.4A CN105157845A (en) | 2015-07-10 | 2015-07-10 | Electric equipment fault analysis and diagnosis method and system based on infrared imaging temperature measurement |
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| CN201510401341.4A CN105157845A (en) | 2015-07-10 | 2015-07-10 | Electric equipment fault analysis and diagnosis method and system based on infrared imaging temperature measurement |
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| CN105467253A (en) * | 2015-12-30 | 2016-04-06 | 普天新能源有限责任公司 | Method and system for detecting electrical equipment online |
| CN106679821A (en) * | 2017-02-13 | 2017-05-17 | 浙江中新电力发展集团有限公司 | Portable power equipment fault recognition detector based on infrared image, and operating method for portable power equipment fault recognition detector |
| CN106979822A (en) * | 2017-03-25 | 2017-07-25 | 聊城大学 | A kind of infrared imaging crosses consumption malfunction detector |
| CN107271808A (en) * | 2017-05-17 | 2017-10-20 | 浙江万里学院 | Multi-electrical level inverter method for diagnosing faults based on infrared thermal imaging technique |
| CN108063917A (en) * | 2017-12-12 | 2018-05-22 | 太仓鼎诚电子科技有限公司 | A kind of thermal infrared imager intelligent digital monitoring system |
| CN109580005A (en) * | 2018-12-24 | 2019-04-05 | 国网山西省电力公司检修分公司 | A kind of failure analysis methods, device, equipment and the storage medium of wire-connection point |
| CN110243864A (en) * | 2019-07-30 | 2019-09-17 | 广东电网有限责任公司 | A kind of power equipment overheating fault detection mobile phone |
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| CN107271808A (en) * | 2017-05-17 | 2017-10-20 | 浙江万里学院 | Multi-electrical level inverter method for diagnosing faults based on infrared thermal imaging technique |
| CN107271808B (en) * | 2017-05-17 | 2019-06-11 | 浙江万里学院 | Multi-electrical level inverter method for diagnosing faults based on infrared thermal imaging technique |
| CN108063917A (en) * | 2017-12-12 | 2018-05-22 | 太仓鼎诚电子科技有限公司 | A kind of thermal infrared imager intelligent digital monitoring system |
| CN109580005A (en) * | 2018-12-24 | 2019-04-05 | 国网山西省电力公司检修分公司 | A kind of failure analysis methods, device, equipment and the storage medium of wire-connection point |
| CN110243864A (en) * | 2019-07-30 | 2019-09-17 | 广东电网有限责任公司 | A kind of power equipment overheating fault detection mobile phone |
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