CN105160829A - Automatic check and early warning method and system based on infrared imaging temperature measurement for electric power equipment - Google Patents
Automatic check and early warning method and system based on infrared imaging temperature measurement for electric power equipment Download PDFInfo
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- CN105160829A CN105160829A CN201510401751.9A CN201510401751A CN105160829A CN 105160829 A CN105160829 A CN 105160829A CN 201510401751 A CN201510401751 A CN 201510401751A CN 105160829 A CN105160829 A CN 105160829A
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- early warning
- infrared imaging
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- 238000003331 infrared imaging Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009529 body temperature measurement Methods 0.000 title abstract description 4
- 230000002459 sustained effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000016507 interphase Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses an automatic check and early warning method and a system based on infrared imaging temperature measurement for electric power equipment. According to the method, actual measurement temperature, environment temperature, humidity, wind speed, a present visible light video and infrared heat graphs of each detection area of the electric power equipment are acquired, and then trend analysis and prediction on an operation situation of the electric power equipment are carried out through actual measurement temperature threshold value analysis, conversion temperature threshold value analysis, single-phase or interphase temperature difference analysis and largest continuous load heat spot temperature prediction; sound-light early warning is carried out in combination with a warning threshold value according to the prediction values. The method takes intelligent check temperature measurement as the basis, through monitoring on temperature trend change information of the electric power equipment, the operation situation of the electric power equipment for a time segment in future can be predicted, and the early warning effect is realized.
Description
Technical field
The present invention relates to a kind of electrical equipment fault to patrol and examine and method for early warning and system, especially a kind of power equipment automatic detecting based on infrared imaging temperature measuring and method for early warning and system.
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, needs by means of expert's manual analyzing, cannot Timeliness coverage fault.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of power equipment automatic detecting based on infrared imaging temperature measuring and method for early warning and system, Timeliness coverage electrical equipment fault early warning, avoids accident to occur, reduces loss.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
Based on power equipment automatic detecting and the method for early warning of infrared imaging temperature measuring, comprise the following steps:
1) observed temperature and environment temperature, humidity, the wind speed of each surveyed area of power equipment is obtained; Obtain the current visible light video of each surveyed area of power equipment and infrared chart simultaneously;
2) analyze threshold values analysis, the analysis of reduced temperature threshold values, single-phase or alternate temperature difference analysis, maximum sustained load heat spot temperature prediction by observed temperature, trend analysis and prediction are carried out to the operation conditions of power equipment following a period of time;
3) according to the numerical value of prediction, in conjunction with alarm threshold value, acousto-optic early warning is carried out.
Based on power equipment automatic detecting and the early warning system of infrared imaging temperature measuring, comprise online infrared imaging temperature measuring instrument, A/D converter, temperature sensor, air velocity transducer, humidity sensor, supervisory control comuter and acoustic-optic alarm, online infrared imaging temperature measuring instrument connects A/D converter, and temperature sensor, air velocity transducer, humidity sensor, A/D converter are connected with supervisory control comuter with acoustic-optic alarm.
In the above-mentioned power equipment automatic detecting based on infrared imaging temperature measuring and early warning system, preferably, 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.
Beneficial effect of the present invention: compared with prior art, the present invention, based on intelligent patrol detection thermometric, by the monitoring of the change information that warms up to power equipment temperature, can predict the operation conditions of power equipment following a period of time, thus reach the object of early warning.
Accompanying drawing explanation
Fig. 1 is workflow diagram of the present invention;
Fig. 2 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.Automatic detecting of the present invention and method for early warning, comprise the following steps:
1) observed temperature and environment temperature, humidity, the wind speed of each surveyed area of power equipment is obtained; Obtain the current visible light video of each surveyed area of power equipment and infrared chart simultaneously;
2) analyze threshold values analysis, the analysis of reduced temperature threshold values, single-phase or alternate temperature difference analysis, maximum sustained load heat spot temperature prediction by observed temperature, trend analysis and prediction are carried out to the operation conditions of power equipment following a period of time;
3) according to the numerical value of prediction, in conjunction with alarm threshold value, acousto-optic early warning is carried out.
Power equipment automatic detecting of the present invention and early warning system, as shown in Figure 2, comprise online infrared imaging temperature measuring instrument, A/D converter, temperature sensor, air velocity transducer, humidity sensor, supervisory control comuter and acoustic-optic alarm, wherein 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; Temperature sensor, air velocity transducer and humidity sensor are respectively used to detect climate temperature, wind speed and the humidity near power equipment; Acoustic-optic alarm is used for sending sound and light alarm signal.Online infrared imaging temperature measuring instrument connects A/D converter, and temperature sensor, air velocity transducer, humidity sensor, A/D converter are connected with supervisory control comuter with acoustic-optic alarm.Online infrared imaging temperature measuring instrument adopts pan and tilt head binocular camera, has a visible channel and an infrared channel, can take infrared chart and the visible light video image of power equipment simultaneously.
Claims (3)
1., based on power equipment automatic detecting and the method for early warning of infrared imaging temperature measuring, it is characterized in that, comprise the following steps:
Obtain observed temperature and environment temperature, humidity, the wind speed of each surveyed area of power equipment; Obtain the current visible light video of each surveyed area of power equipment and infrared chart simultaneously;
Analyze threshold values analysis, the analysis of reduced temperature threshold values, single-phase or alternate temperature difference analysis, maximum sustained load heat spot temperature prediction by observed temperature, trend analysis and prediction are carried out to the operation conditions of power equipment following a period of time;
According to the numerical value of prediction, in conjunction with alarm threshold value, carry out acousto-optic early warning.
2. based on power equipment automatic detecting and the early warning system of infrared imaging temperature measuring, it is characterized in that: comprise online infrared imaging temperature measuring instrument, A/D converter, temperature sensor, air velocity transducer, humidity sensor, supervisory control comuter and acoustic-optic alarm, online infrared imaging temperature measuring instrument connects A/D converter, and temperature sensor, air velocity transducer, humidity sensor, A/D converter are connected with supervisory control comuter with acoustic-optic alarm.
3. the power equipment automatic detecting based on infrared imaging temperature measuring according to claim 2 and early warning system, 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 light video image of power equipment can be taken simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401751.9A CN105160829A (en) | 2015-07-10 | 2015-07-10 | Automatic check and early warning method and system based on infrared imaging temperature measurement for electric power equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401751.9A CN105160829A (en) | 2015-07-10 | 2015-07-10 | Automatic check and early warning method and system based on infrared imaging temperature measurement for electric power equipment |
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| CN105160829A true CN105160829A (en) | 2015-12-16 |
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| CN201510401751.9A Pending CN105160829A (en) | 2015-07-10 | 2015-07-10 | Automatic check and early warning method and system based on infrared imaging temperature measurement for electric power equipment |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758526A (en) * | 2016-03-05 | 2016-07-13 | 国网福建省电力有限公司邵武市供电公司 | Unmanned plane device with function of giving alarm against overheating of high-voltage equipment, and application method |
| US20170176313A1 (en) * | 2015-12-18 | 2017-06-22 | Widax Technology Corp | Inspection method for early warning system of industrial security |
| CN108036730A (en) * | 2017-12-22 | 2018-05-15 | 福建和盛高科技产业有限公司 | A kind of fire point distance measuring method based on thermal imaging |
| CN108072449A (en) * | 2017-12-27 | 2018-05-25 | 深圳大成智能电气科技有限公司 | A kind of inspection device |
| CN108168707A (en) * | 2017-12-18 | 2018-06-15 | 山东神戎电子股份有限公司 | A kind of high temperature interference source minimizing technology based on thermal imaging |
| CN108196496A (en) * | 2018-01-15 | 2018-06-22 | 国网江西省电力有限公司 | Infrared measurement of temperature remote management and control system |
| 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 |
| CN108801467A (en) * | 2017-04-27 | 2018-11-13 | 赵文飞 | A kind of infrared panorama imaging inspection control method and device |
| CN109818418A (en) * | 2018-12-06 | 2019-05-28 | 安徽凯川电力保护设备有限公司 | A kind of apparatus and method status of electric power monitoring and shown |
| CN110530432A (en) * | 2019-09-30 | 2019-12-03 | 国网山东省电力公司电力科学研究院 | A kind of grid equipment electrification detection system, thermal infrared imager and method |
| CN112048739A (en) * | 2020-08-31 | 2020-12-08 | 中国铝业股份有限公司 | Safety early warning method and safety early warning system for aluminum electrolysis cell |
| CN112509263A (en) * | 2020-11-08 | 2021-03-16 | 华能通辽风力发电有限公司 | Image analysis tracking, temperature measurement positioning system and method |
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| JPS62245977A (en) * | 1986-04-18 | 1987-10-27 | Mitsubishi Electric Corp | Monitoring device for electric power equipment |
| CN102566621A (en) * | 2010-12-29 | 2012-07-11 | 上海市电力公司 | Wireless temperature monitoring system for electric power device |
| CN102721479A (en) * | 2012-04-16 | 2012-10-10 | 沈阳华岩电力技术有限公司 | Online monitoring method for temperature rise of outdoor electrical device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170176313A1 (en) * | 2015-12-18 | 2017-06-22 | Widax Technology Corp | Inspection method for early warning system of industrial security |
| CN105758526A (en) * | 2016-03-05 | 2016-07-13 | 国网福建省电力有限公司邵武市供电公司 | Unmanned plane device with function of giving alarm against overheating of high-voltage equipment, and application method |
| CN108801467B (en) * | 2017-04-27 | 2020-10-13 | 赵文飞 | Infrared panoramic imaging inspection control method and device |
| CN108801467A (en) * | 2017-04-27 | 2018-11-13 | 赵文飞 | A kind of infrared panorama imaging inspection control method and device |
| CN108168707A (en) * | 2017-12-18 | 2018-06-15 | 山东神戎电子股份有限公司 | A kind of high temperature interference source minimizing technology based on thermal imaging |
| CN108036730B (en) * | 2017-12-22 | 2019-12-10 | 福建和盛高科技产业有限公司 | Fire point distance measuring method based on thermal imaging |
| CN108036730A (en) * | 2017-12-22 | 2018-05-15 | 福建和盛高科技产业有限公司 | A kind of fire point distance measuring method based on thermal imaging |
| CN108072449A (en) * | 2017-12-27 | 2018-05-25 | 深圳大成智能电气科技有限公司 | A kind of inspection device |
| CN108196496A (en) * | 2018-01-15 | 2018-06-22 | 国网江西省电力有限公司 | Infrared measurement of temperature remote management and control system |
| 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 |
| CN109818418A (en) * | 2018-12-06 | 2019-05-28 | 安徽凯川电力保护设备有限公司 | A kind of apparatus and method status of electric power monitoring and shown |
| CN110530432A (en) * | 2019-09-30 | 2019-12-03 | 国网山东省电力公司电力科学研究院 | A kind of grid equipment electrification detection system, thermal infrared imager and method |
| CN112048739A (en) * | 2020-08-31 | 2020-12-08 | 中国铝业股份有限公司 | Safety early warning method and safety early warning system for aluminum electrolysis cell |
| CN112048739B (en) * | 2020-08-31 | 2021-11-02 | 中国铝业股份有限公司 | Safety early warning method and safety early warning system for aluminum electrolysis cell |
| CN112509263A (en) * | 2020-11-08 | 2021-03-16 | 华能通辽风力发电有限公司 | Image analysis tracking, temperature measurement positioning system and method |
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Application publication date: 20151216 |