CN102840918A - Method for managing and analyzing infrared spectrogram of electric transmission and transformation equipment - Google Patents
Method for managing and analyzing infrared spectrogram of electric transmission and transformation equipment Download PDFInfo
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- CN102840918A CN102840918A CN2012102955893A CN201210295589A CN102840918A CN 102840918 A CN102840918 A CN 102840918A CN 2012102955893 A CN2012102955893 A CN 2012102955893A CN 201210295589 A CN201210295589 A CN 201210295589A CN 102840918 A CN102840918 A CN 102840918A
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Abstract
The invention provides a method for managing and analyzing an infrared spectrogram of electric transmission and transformation equipment. The method comprises the following steps of: (1) formulating an infrared detection data format of the electric transmission and transformation equipment; (2) establishing an infrared spectrogram library in accordance with a station/a line and an equipment management infrared spectrogram; (3) measuring a temperature of each electric transmission and transformation equipment at any area on an infrared spectrogram image; (4) diagnosing and analyzing the electric transmission and transformation equipment by using a diversity of infrared spectrogram analyzing methods in combination; and (5) uploading the infrared spectrograms and corresponding analysis data to a production management system (PMS). With the adoption of the method for managing and analyzing the infrared spectrogram of the electric transmission and transformation equipment, uniform monitoring, uniform storage, hierarchical control and management at different areas to the infrared spectrogram are realized; and moreover, data generated by different infrared thermal image systems can be connected and communicated mutually; and requirements on overall and integral development of an equipment state monitoring system are met.
Description
Technical field
The invention belongs to infrared thermal imagery monitoring system field, be specifically related to a kind of power transmission and transforming equipment infared spectrum management and analytical approach.
Background technology
The infared spectrum library management is an important component part of intelligent grid production management system with analyzing; Be widely used on the safety inspection of power transmission and transforming equipment; Monitor in real time through its thermal defect, can play very key and effective function for the generation of timely discovery, processing, prevention major accident to electrical equipment and circuit.Because the infrared thermal imagery monitoring system has been selected the product of different techniques and different manufacturers period for use in different construction, caused standard disunity, technology path inconsistent.The construction of intelligent grid at present; The infrared thermal imagery monitoring system has been proposed new requirement; Therefore realize unified monitoring, storage and uniform, step control, the management of branch territory; The data that different infrared thermal imagery systems is generated can interconnect, and satisfy the growth requirement of equipment condition monitoring system globalize, integration, have become problem demanding prompt solution.
Summary of the invention
For overcoming above-mentioned defective; The invention provides a kind of power transmission and transforming equipment infared spectrum management and analytical approach; Unified monitoring, storage and uniform, step control and the management of branch territory of infared spectrum have been realized; And the data of different infrared thermal imagery system generations can be interconnected, satisfy the growth requirement of equipment condition monitoring system globalize, integration.
For realizing above-mentioned purpose, the present invention provides a kind of power transmission and transforming equipment infared spectrum management and analytical approach, and its improvements are that said method comprises the steps:
(1). work out power transmission and transforming equipment infrared detection data layout;
(2). by station/line, equipment control infared spectrum, set up the infared spectrum storehouse;
(3). on the infared spectrum picture, measure the temperature of each power transmission and transforming equipment at arbitrary region;
(4). according to the temperature of measuring, adopt the infared spectrum analytical approach that power transmission and transforming equipment is carried out diagnostic analysis;
(5). infared spectrum is reached the corresponding data upload of analyzing to the PMS production management system.
In the optimal technical scheme provided by the invention, in said step 1, said power transmission and transforming equipment infrared detection data layout comprises: each power transmission and transforming equipment and corresponding infared spectrum information.
In second optimal technical scheme provided by the invention, in said step 2, the step of setting up the infared spectrum storehouse is following:
(2-1). from portable infrared gear and online infrared gear, gather the infrared chart of power transmission and transforming equipment respectively;
(2-2). the infrared chart according to gathering identifies and manages each power transmission and transforming equipment;
(2-3). with the sign facility information store said standard device storehouse into, with corresponding infared spectrum information stores to the infrared picture library of standard.
In the 3rd optimal technical scheme provided by the invention, said infared spectrum storehouse has the inquiry to the infared spectrum data, the maintenance function of browsing, increase newly, revising and delete; Said infared spectrum storehouse shows the historical temperature variation curve of power transmission and transforming equipment and infrared picture data at that time, and generates report.
In the 4th optimal technical scheme provided by the invention, in said step 3, the temperature of measurement comprises: maximum temperature, minimum temperature and medial temperature.
In the 5th optimal technical scheme provided by the invention, in said step 4, the method for the power transmission and transforming equipment infared spectrum being carried out diagnostic analysis comprises: surface temperature determining method, similar relatively determining method, characteristics of image determining method and analysis file determining method.
In the 6th optimal technical scheme provided by the invention, said surface temperature determining method utilizes diagnostic device, according to the equipment surface temperature value that records, provides judged result and handles suggestion.
In the 7th optimal technical scheme provided by the invention, said similar relatively determining method, according on the same group between three-phase equipment the temperature difference of corresponding position compare analysis; If three-phase equipment occurs unusually simultaneously, can compare with the same category of device of going the same way; When three-phase load is asymmetric, the considered effects of load.
In the 8th optimal technical scheme provided by the invention, said characteristics of image determining method judges according to the normal condition of same category of device and the heat picture of ERST whether each equipment is normal.
In the 9th optimal technical scheme provided by the invention, said analysis file determining method is analyzed the detection data of same equipment at different times, finds out the variation of equipment pyrogenicity parameter, and whether judgment device is normal.
In the tenth optimal technical scheme provided by the invention, said detection data comprise: temperature rise, relative temperature difference and Thermogram.
In the more preferably technical scheme provided by the invention, in said step 5,, obtain the power transmission and transforming equipment account data of PMS, to feedback PMS system equipment collection of illustrative plates diagnostic message through mode and the said PMS system interaction of Web service.
Provided by the invention second more preferably in the technical scheme, and said collection of illustrative plates diagnostic message comprises: thermal imagery characteristic, fault signature, defect property and processing suggestion.
With the prior art ratio, a kind of power transmission and transforming equipment infared spectrum management provided by the invention and analytical approach, standard the image data storage form, the unified management that helps view data with share; Utilize surface temperature determining method, similar relatively analytical approach automatic diagnosis power transmission and transforming equipment nature of troubles such as determining method, analysis file determining method, improved the accuracy and the efficient of power transmission and transforming equipment diagnosis; And; Provide infrared image manual analysis tool; Can measure the highest (minimum, average) temperature of arbitrary region, the temperature of arbitrfary point, and select different colour codes, analyse in depth the strong instrument that provides for the expert carries out collection of illustrative plates to change the effect of infrared image; Moreover; On the basis of the domestic and international main flow thermal infrared imager of investigation producer spectrum data storage format; Worked out infrared thermal imagery monitoring collection of illustrative plates management interface standard, standard device node infrared image form, help realizing the infared spectrum data each system with between share; Simultaneously, this method also on the basis of standard diagram data layout, proposes and has designed the diagnostic analysis method of power transmission and transforming equipment infared spectrum data, has greatly promoted infrared detection technology to serve the repair based on condition of component work of grid equipment better.
Description of drawings
Fig. 1 sets up process flow diagram flow chart for the infared spectrum storehouse.
Fig. 2 is the process flow diagram of infared spectrum management and analytical approach.
Embodiment
Power transmission and transforming equipment infared spectrum management and analytical approach, purpose are to work out power transmission and transforming equipment infrared detection data standard, with each device node infrared image storage format standardization (for example jpeg format etc.); Accomplish the conversion of infared spectrum consolidation form; By station/line, equipment control infared spectrum, possess analysis, arbitration functions to infared spectrum; Infared spectrum and the corresponding data upload of analyzing are to the PMS production management system the most at last.The data flow of this method is shown in accompanying drawing 2.
The embodiment of this method is following:
Management of power transmission and transforming equipment infared spectrum and analytical approach comprise the steps:
(1). work out power transmission and transforming equipment infrared detection data layout;
(2). by station/line, equipment control infared spectrum, set up the infared spectrum storehouse;
(3). on the infared spectrum picture, measure the temperature of each power transmission and transforming equipment at arbitrary region;
(4). according to the temperature of measuring, adopt the infared spectrum analytical approach that power transmission and transforming equipment is carried out diagnostic analysis;
(5). infared spectrum is reached the corresponding data upload of analyzing to the PMS production management system.
Wherein, work out infrared thermal imagery monitoring collection of illustrative plates management interface form:
This standard code information remote transmission such as the monitoring spectrum data gathered of infrared thermal imaging equipment, facility information, equipment working state, the interface standard that stores.Infared spectrum storage list form is referring to subordinate list 1.
This standard is applicable to that the data of units at different levels of Utilities Electric Co. infrared thermal imagery monitoring collection of illustrative plates insert, store and management.
The infared spectrum management maintenance:
Insert power transmission and transforming equipment account among the PMS, by station/line, equipment control infared spectrum, process is set up shown in accompanying drawing 1 in the infared spectrum storehouse;
Have inquiry, browse, increase newly the infared spectrum data, maintenance function such as modification, deletion;
The historical temperature variation curve of power transmission and transforming equipment and infrared picture data at that time can be shown, and report can be generated.
The infared spectrum diagnostic analysis:
The manual analytic approach of image: on the infared spectrum picture, measure the highest (minimum, average) temperature of arbitrary region ability, on the infared spectrum picture, measure the temperature of arbitrfary point, can select different colour codes to change the effect of infrared image.
Surface temperature determining method: according to the equipment surface temperature value that records,, provide judged result, handle suggestion etc. according to DUT 664-2008 " charging equipment infrared diagnostics using standard " diagnostic device;
Similar relatively determining method: according on the same group between three-phase equipment the temperature difference of corresponding position compare analysis.If three-phase equipment occurs unusually simultaneously, can compare with the same category of device of going the same way.When three-phase load is asymmetric, the considered effects of load.
The characteristics of image determining method: whether the heat picture judgment device according to the normal condition of same category of device and ERST is normal, when other test findings of electrical equipment is qualified, should remove all kinds of obstacles to the influence of image, just can conclude;
The analysis file determining method: analyze the detection data (for example temperature rise, relative temperature difference and Thermogram) of same equipment at different times, find out the variation of equipment pyrogenicity parameter, whether judgment device is normal.
With the PMS system interface:
Through mode and the PMS system interaction of Web service, obtain the power transmission and transforming equipment account data of PMS, feed back to the collection of illustrative plates diagnostic message such as thermal imagery characteristic, fault signature, defect property, processing suggestion of PMS system equipment.
Table 1 infared spectrum information
Infared spectrum information table explanation of field:
The data of storing in CCD video interception and the infrared video sectional drawing are exactly that the whole file of JPG form is stored with the mode of binary code.
What need statement is that content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the qualification to protection domain of the present invention.Those skilled in the art can do various modifications, be equal to replacement or improvement under spirit of the present invention and principle inspiration.But these changes or modification are all in the protection domain that application is awaited the reply.
Claims (13)
1. a power transmission and transforming equipment infared spectrum is managed and analytical approach, it is characterized in that said method comprises the steps:
(1). work out power transmission and transforming equipment infrared detection data layout;
(2). by station/line, equipment control infared spectrum, set up the infared spectrum storehouse;
(3). on the infared spectrum picture, measure the temperature of each power transmission and transforming equipment at arbitrary region;
(4). according to the temperature of measuring, adopt the infared spectrum analytic approach that power transmission and transforming equipment is carried out diagnostic analysis;
(5). infared spectrum is reached the corresponding data upload of analyzing to the PMS production management system.
2. method according to claim 1 is characterized in that, in said step 1, said power transmission and transforming equipment infrared detection data layout comprises: each power transmission and transforming equipment and corresponding infared spectrum information.
3. method according to claim 1 is characterized in that, in said step 2, the step of setting up the infared spectrum storehouse is following:
(2-1). from portable infrared gear and online infrared gear, gather the infrared chart of power transmission and transforming equipment respectively;
(2-2). the infrared chart according to gathering identifies and manages each power transmission and transforming equipment;
(2-3). with the sign facility information store said standard device storehouse into, with corresponding infared spectrum information stores to the infrared picture library of standard.
4. method according to claim 3 is characterized in that, said infared spectrum storehouse has the inquiry to the infared spectrum data, the maintenance function of browsing, increase newly, revising and delete; Said infared spectrum storehouse shows the historical temperature variation curve of power transmission and transforming equipment and infrared picture data at that time, and generates report.
5. method according to claim 1 is characterized in that, in said step 3, the temperature of measurement comprises: maximum temperature, minimum temperature and medial temperature.
6. method according to claim 1 is characterized in that, in said step 4, the method for the power transmission and transforming equipment infared spectrum being carried out diagnostic analysis comprises: surface temperature determining method, similar relatively determining method, characteristics of image determining method and analysis file determining method.
7. method according to claim 6 is characterized in that, said surface temperature determining method utilizes diagnostic device, according to the equipment surface temperature value that records, provides judged result and handles suggestion.
8. method according to claim 6 is characterized in that, said similar relatively determining method, according on the same group between three-phase equipment the temperature difference of corresponding position compare analysis; If three-phase equipment occurs unusually simultaneously, can compare with the same category of device of going the same way; When three-phase load is asymmetric, the considered effects of load.
9. method according to claim 6 is characterized in that, said characteristics of image determining method judges according to the normal condition of same category of device and the heat picture of ERST whether each equipment is normal.
10. method according to claim 6 is characterized in that, said analysis file determining method is analyzed the detection data of same equipment at different times, finds out the variation of equipment pyrogenicity parameter, and whether judgment device is normal.
11. method according to claim 7 is characterized in that, said detection data comprise: temperature rise, relative temperature difference and Thermogram.
12. method according to claim 1 is characterized in that, in said step 5, through mode and the said PMS system interaction of Webservice, obtains the power transmission and transforming equipment account data of PMS, to feedback PMS system equipment collection of illustrative plates diagnostic message.
13. method according to claim 12 is characterized in that, said collection of illustrative plates diagnostic message comprises: thermal imagery characteristic, fault signature, defect property and processing suggestion.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512664A (en) * | 2013-10-18 | 2014-01-15 | 国网上海市电力公司 | Convertor station high-voltage secondary screen cabinet infrared temperature measurement method |
| CN103901072A (en) * | 2014-04-21 | 2014-07-02 | 国网安徽省电力公司淮南供电公司 | Method for diagnosing equipment overheating defects by utilizing infrared spectrum analysis |
| CN104280643A (en) * | 2014-10-23 | 2015-01-14 | 国家电网公司 | Method for automatically analyzing infrared spectrogram on Android terminal |
| CN104331521A (en) * | 2014-11-27 | 2015-02-04 | 国家电网公司 | Automatic power transformation equipment abnormity identification method based on image processing |
| CN104502768A (en) * | 2014-12-27 | 2015-04-08 | 国家电网公司 | Current-induced-heat-type defect evaluation method used for power equipment connecting part |
| CN106846304A (en) * | 2017-01-03 | 2017-06-13 | 中国特种设备检测研究院 | Electrical equipment detection method and device based on infrared detection |
| CN108731816A (en) * | 2018-05-22 | 2018-11-02 | 国网江西省电力有限公司电力科学研究院 | A kind of power equipments defect analysis method based on infrared detection |
| CN108761290A (en) * | 2018-06-28 | 2018-11-06 | 浙江国自机器人技术有限公司 | Robot and its piping lane electric compartment method for inspecting, system, equipment, storage medium |
| CN110319937A (en) * | 2019-05-21 | 2019-10-11 | 广州供电局有限公司 | Infrared measurement of temperature image processing method, device, computer equipment and storage medium |
| CN110487414A (en) * | 2019-08-16 | 2019-11-22 | 云南电网有限责任公司电力科学研究院 | Breaker temperature monitoring method and system based on infrared image technology |
| CN110832311A (en) * | 2017-07-03 | 2020-02-21 | 沙特阿拉伯石油公司 | Apparatus and method for non-destructive inspection of glass fibers and non-metallic tubes |
| CN110866150A (en) * | 2019-10-31 | 2020-03-06 | 南方电网调峰调频发电有限公司 | Method for rapidly generating ledger data map and overhauling defects of pre-control equipment family |
| CN111060558A (en) * | 2020-01-02 | 2020-04-24 | 青岛国信海天中心建设有限公司 | Steel pipe concrete compactness detection system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07174633A (en) * | 1993-12-20 | 1995-07-14 | Matsushita Electric Ind Co Ltd | Chopper mechanism for thermal image detecting device |
| US20050259849A1 (en) * | 2000-06-08 | 2005-11-24 | Ioannis Pavlidis | Detection sytem and method using thermal image analysis |
| CN102270278A (en) * | 2011-07-21 | 2011-12-07 | 广东电网公司佛山供电局 | Method and device for forecasting equipment failure based on infrared temperature measurement |
-
2012
- 2012-08-17 CN CN201210295589.3A patent/CN102840918B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07174633A (en) * | 1993-12-20 | 1995-07-14 | Matsushita Electric Ind Co Ltd | Chopper mechanism for thermal image detecting device |
| US20050259849A1 (en) * | 2000-06-08 | 2005-11-24 | Ioannis Pavlidis | Detection sytem and method using thermal image analysis |
| CN102270278A (en) * | 2011-07-21 | 2011-12-07 | 广东电网公司佛山供电局 | Method and device for forecasting equipment failure based on infrared temperature measurement |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国国家发展和改革委员会编: "《DL/T664-2008-带电设备红外诊断应用规范》", 1 November 2008, article "《DL/T664-2008-带电设备红外诊断应用规范》" * |
| 李亚峰等: "红外摄像技术及输变电红外图谱数据库系统的建立", 《陕西电力》, vol. 40, no. 01, 31 January 2012 (2012-01-31) * |
Cited By (20)
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| CN103512664A (en) * | 2013-10-18 | 2014-01-15 | 国网上海市电力公司 | Convertor station high-voltage secondary screen cabinet infrared temperature measurement method |
| CN103901072A (en) * | 2014-04-21 | 2014-07-02 | 国网安徽省电力公司淮南供电公司 | Method for diagnosing equipment overheating defects by utilizing infrared spectrum analysis |
| CN103901072B (en) * | 2014-04-21 | 2017-01-11 | 国网安徽省电力公司淮南供电公司 | Method for diagnosing equipment overheating defects by utilizing infrared spectrum analysis |
| CN104280643A (en) * | 2014-10-23 | 2015-01-14 | 国家电网公司 | Method for automatically analyzing infrared spectrogram on Android terminal |
| CN104280643B (en) * | 2014-10-23 | 2017-02-15 | 国家电网公司 | Method for automatically analyzing infrared spectrogram on Android terminal |
| CN104331521A (en) * | 2014-11-27 | 2015-02-04 | 国家电网公司 | Automatic power transformation equipment abnormity identification method based on image processing |
| CN104331521B (en) * | 2014-11-27 | 2017-10-31 | 国家电网公司 | Transformer anomaly identification method based on image procossing |
| CN104502768A (en) * | 2014-12-27 | 2015-04-08 | 国家电网公司 | Current-induced-heat-type defect evaluation method used for power equipment connecting part |
| CN104502768B (en) * | 2014-12-27 | 2017-05-24 | 国家电网公司 | Current-induced-heat-type defect evaluation method used for power equipment connecting part |
| CN106846304A (en) * | 2017-01-03 | 2017-06-13 | 中国特种设备检测研究院 | Electrical equipment detection method and device based on infrared detection |
| CN106846304B (en) * | 2017-01-03 | 2020-08-04 | 中国特种设备检测研究院 | Electrical equipment detection method and device based on infrared detection |
| CN110832311A (en) * | 2017-07-03 | 2020-02-21 | 沙特阿拉伯石油公司 | Apparatus and method for non-destructive inspection of glass fibers and non-metallic tubes |
| CN108731816A (en) * | 2018-05-22 | 2018-11-02 | 国网江西省电力有限公司电力科学研究院 | A kind of power equipments defect analysis method based on infrared detection |
| CN108731816B (en) * | 2018-05-22 | 2020-08-11 | 国网江西省电力有限公司电力科学研究院 | Power equipment defect analysis method based on infrared detection |
| CN108761290A (en) * | 2018-06-28 | 2018-11-06 | 浙江国自机器人技术有限公司 | Robot and its piping lane electric compartment method for inspecting, system, equipment, storage medium |
| CN110319937A (en) * | 2019-05-21 | 2019-10-11 | 广州供电局有限公司 | Infrared measurement of temperature image processing method, device, computer equipment and storage medium |
| CN110487414A (en) * | 2019-08-16 | 2019-11-22 | 云南电网有限责任公司电力科学研究院 | Breaker temperature monitoring method and system based on infrared image technology |
| CN110866150A (en) * | 2019-10-31 | 2020-03-06 | 南方电网调峰调频发电有限公司 | Method for rapidly generating ledger data map and overhauling defects of pre-control equipment family |
| CN110866150B (en) * | 2019-10-31 | 2022-09-30 | 南方电网调峰调频发电有限公司 | Method for rapidly generating ledger data map and overhauling defects of pre-control equipment family |
| CN111060558A (en) * | 2020-01-02 | 2020-04-24 | 青岛国信海天中心建设有限公司 | Steel pipe concrete compactness detection system and method |
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