CN102914369A - Online infrared imaging device of transformer substation - Google Patents
Online infrared imaging device of transformer substation Download PDFInfo
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- CN102914369A CN102914369A CN2011102320867A CN201110232086A CN102914369A CN 102914369 A CN102914369 A CN 102914369A CN 2011102320867 A CN2011102320867 A CN 2011102320867A CN 201110232086 A CN201110232086 A CN 201110232086A CN 102914369 A CN102914369 A CN 102914369A
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Abstract
The invention discloses an online infrared imaging device of a transformer substation. The device comprises a scene infrared imager 1, a power circuit 2, a holder device 3, an imager image network output unit 4, an alternating current transformer 5, a current signal processing unit 6, and a scene data storage and management unit 7. The online infrared imaging device of the transformer substation is characterized in that the scene data storage and management unit 7 comprises a scene high-voltage device management information module 8, a current signal management information module 9, an infrared imaging image information module 10, an infrared temperature limit information module 11, an environment temperature measurement information module 12, a device operation state information module 13, an infrared image extraction information module 14, and a communication unit module 15. The device can carry out online infrared temperature imaging measurement on high-voltage electric equipment running on the transformer substation, and the device analyzes and synthetizes device current in the infrared imaging map. Therefore, online remote infrared imaging measurement is achieved.
Description
Application of the present invention
The present invention relates to a kind of infreared imaging device for the substation field test.
Technical background of the present invention
High-voltage electrical equipment utilizes the infrared imagery technique principle as one of important means of measuring the power system transformer substation equipment safety operation, and the non-destructive monitoring of the equipment infrared imaging picture in power transmission and transformation field is provided.Online High-Voltage Electrical Appliances are comprised of with infreared imaging device and infrared image delivery network two major parts the scene.Infrared imagery technique has obtained effective application in recent years in electric system, Utilities Electric Co. in all parts of the country utilizes portable infrared thermoviewer to operating High-Voltage Electrical Appliances: high-voltage switch gear (isolating switch), current transformer, voltage transformer (VT), transformer, the equipment such as high-tension line carry out temperature survey, find potential faults, the various faults of electrical equipment have been greatly reduced, make the operation troubles of high-voltage electrical equipment do faster alarm function, utilize its portable equipment to measure arbitrary position of equipment, the various data analysis that measure, determine the reason of fault, relevant Utilities Electric Co. has also formulated relevant technical manual, improves the validity of measuring.Its performance and convenience are the topics that people are concerned about always, and measurement performance and measurement point, the people of measurement, direction and temperature, the weather etc. of measurement of Portable infrared imaging instrument are had very large relation.In order to improve the safe operation of electrical network, State Power Corporation's Portable infrared imaging instrument is measured and is proposed to explicitly call for and strict regulation, and People's Republic of China's power industry standard (DLT907-2004 heat power equipment infrared detection guide rule) of formulating and (DLT 664-1999 charging equipment infrared diagnosis technology is used guide rule).Before nineteen ninety, electric system does not all have too large attention to its requirement to power equipment, and the method have fault just to repair is adopted in the less test of doing this respect, to the reliability of grid equipment relevant requirements height of today all.Mainly contain the reason of three aspects:: 1 its technical merit was low in the past, did not have infrared imagery technique and infrared measurement of temperature correlation technique, and this respect does not have testing tool and requirement.The utilization of 2 computing machines is also popularized, and power industry is inadequate to the attention of infrared imagery technique.The management of 3 power industries is ineffective, and the departments such as production, power transformation do not set up infrared imaging expert engineer management, does not all obtain paying attention in technology and management.
The requirement to infrared imagery technique of using at present mainly is to adopt portable infrared imaging device that High-Voltage Electrical Appliances are carried out on-line testing, this proving installation mainly is that work about electric power person utilizes portable infrared thermoviewer to measure to the scene, and there is following problem in this method of testing:
1, measuring accuracy is poor, and extensive work needs manual intervention; Different test person often has different test results;
2, relevant device is more, needs the manpower transport to arrive substation field and uses, and can not accomplish to fix a point, fix time, decide direction, take the altitude;
3, the data of test can't be carried out in real time, do not have comparability;
4, now a lot of transformer stations have all adopted unmanned, and difficulty of test strengthens.
The useful result of the present invention
1, measuring accuracy is high, and function is complete, and need not too many manual intervention, just can automatically finish.
2, utilize network technology can not need to arrive substation field, and a people just can once finish.
3, the real time data of all measurements can preserve and measure in real time.
4, the quantity of information that measures is not only a complete infrared imaging figure, also comprises the correlationship figure of temperature and electric current etc.
Summary of the invention of the present invention
The object of the invention
The object of the present invention is to provide a kind of proving installation that is applied to the online Real-time Measuring quantitative change power station high-voltage electrical equipment infrared imaging temperature measuring of power system transformer substation.
Embodiment of the present invention
Fig. 1, the present invention are achieved in that online infreared imaging device comprises: 1, site infrare imager, 2, power circuit, 3, cradle head device, 4, imager image network output unit, 5, AC current transformer, 6, current signal processing unit, 7 field datas are preserved and administrative unit.Its circuit is connected to: electric main 220V, 50HZ power supply or DC220V power supply are received the input end of power circuit (2); The output terminal of power circuit (2) and site infrare imager power input join; Site infrare imager (1) and cradle head device (3) join; Power circuit (2) output terminal and cradle head device (3), current signal processing unit (6), field data preserve with administrative unit (7) power input mutually and connect; Site infrare imager (1) output terminal and imager image network output unit (4) input end join, and imager image network output unit (4) and field data are preserved and administrative unit is joined (7); AC current transformer (5) and current signal processing unit (6) join; Current signal processing unit (6) output and field data are preserved with administrative unit (7) and are joined.
Embodiment illustrated in fig. 2, for field data preservation and administrative unit (7) is characterized in that field data is preserved and administrative unit (7) comprising: 8, on-the-spot high-tension apparatus management information module, 9 current signal management information modules, 10 infrared imaging figure information modules, 11 infrared temperature limit information modules, 12 ambient temperature measurement information modules, 13 equipment running status information modules, 14 infrared images deduction information module, 15 communication unit modules.It is connected to on-the-spot high-tension apparatus management information module (8) and current signal management information module (9) is joined; On-the-spot high-tension apparatus administration module (8) and current signal management information module (9) and equipment running status information module (13) are mutually and connect; Infrared imaging figure information module (10) and infrared temperature limit information module (11) join; Infrared imaging figure information module (10), infrared temperature limit information module (11), ambient temperature measurement information module (12) and infrared image are deducted a percentage information module (14) mutually and are connect; Equipment running status information module (13) and infrared image deduction information module (14) and communication unit module phase also connects.
The present invention is further described below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is that system of the present invention forms structural drawing.
Accompanying drawing 2 is that field data is preserved and the administrative unit structural drawing.
Embodiment
Fig. 1, the present invention are achieved in that online infreared imaging device comprises: 1, site infrare imager, 2, power circuit, 3, cradle head device, 4, imager image network output unit, 5, AC current transformer, 6, current signal processing unit, 7 field datas are preserved and administrative unit.Its circuit is connected to: electric main 220V, 50HZ power supply or DC220V power supply are received the input end of power circuit (2); The output terminal of power circuit (2) and site infrare imager power input join; Site infrare imager (1) and cradle head device (3) join; Power circuit (2) output terminal and cradle head device (3), current signal processing unit (6), field data preserve with administrative unit (7) power input mutually and connect; Site infrare imager (1) output terminal and imager image network output unit (4) input end join, and imager image network output unit (4) and field data are preserved and administrative unit is joined (7); AC current transformer (5) and current signal processing unit (6) join; Current signal processing unit (6) output and field data are preserved with administrative unit (7) and are joined.The power taking from the used electric screen of transformer station of electric main 220V, 50HZ power supply or DC220 power supply, preferably utilize uninterrupted power source, power circuit (2) is that civil power 220V, 50HZ power supply or DC220 power supply are converted to the 24V direct supply, supplies with cradle head device (3), imager image network output unit (4), current signal processing unit (6), field data preservation and administrative unit (7) as each component working power supply.Site infrare imager (1) employing resolution is the infrared thermography more than 320 * 240, can automatically generate infrared figure, main requirement is can be fixed on the The Cloud Terrace just can for site infrare imager (1), in addition can automatic focusing just passable, there is not other technical requirement, have at present multiple relevant infrared thermoviewer both domestic and external to use in the present invention, vertical greatly Electric Applicance Co., Ltd produces and can use such as Wuhan Gao De Electronics Co., Ltd., Zhejiang.The infrared figure that site infrare imager (10) is measured delivers to imager image network output unit (4), imager image network output unit (4) carries out the picture preservation with the infrared imaging picture and processes and be transferred to field data by network interface and preserve and administrative unit (7), cradle head device (3) joins with the site infrare imager, go to control the picture direction of site infrare imager (1) with cradle head device (3), make infrared thermoviewer go imaging in different angles, infrared thermoviewer can need to be set up separately picture position by the scene.AC current transformer (5) is installed in each current supply circuit of substation field, each loop current is decided according to the different scene of transformer station, be installed on different desired locations, also according to different loops needs different quantity be installed, purpose only has one: be exactly the current value of this loop equipment of flowing through on the loop taken the photograph of infrared picture.The signal that AC current transformer (5) measures is delivered to current signal processing unit (6) and is processed, and the current value that current signal processing unit (6) measures AC current transformer (5) positions numbering and makes a network interface according to the needs of pictorial information and send field data to preserve and administrative unit (7).Field data is preserved with administrative unit (7) on-the-spot current measurement value and infrared imaging picture is gathered the location, numbers and be transferred to computer background according to on-the-spot needs, accomplish Real-Time Monitoring, back-stage management person or operations staff look into when office just can check and verify in the distance and patrol, and have realized online Long-distance Control.
Embodiment illustrated in fig. 2, for field data preservation and administrative unit (7) is characterized in that field data is preserved and administrative unit (7) comprising: on-the-spot high-tension apparatus management information module (8), current signal management information module (9), infrared imaging figure information module (10), infrared temperature limit information module (11), ambient temperature measurement information module (12), equipment running status information module (13), infrared image deduction information module (14), communication unit module (15).It is connected to on-the-spot high-tension apparatus management information module (8) and current signal management information module (9) is joined; On-the-spot high-tension apparatus administration module (8) and current signal management information module (9) and equipment running status information module (13) are mutually and connect; Infrared imaging figure information module (10) and infrared temperature limit information module (11) join; Infrared imaging figure information module (10), infrared temperature limit information module (11), ambient temperature measurement information module (12) and infrared image are deducted a percentage information module (14) mutually and are connect; Equipment running status information module (13), infrared image deduction information module (14) and communication unit module are mutually and connect.Field data is preserved with administrative unit (7) by on-the-spot high-tension apparatus management information module (8), current signal management information module (9), infrared imaging figure information module (10), infrared temperature limit information module (11), ambient temperature measurement information module (12), equipment running status information module (13), infrared image deduction information module (14), communication unit module (15) forms, and field data is preserved with administrative unit (7) internal main will be divided into two large functions: the one, and current measurement and equipment control part, the 2nd, infrared imaging and temperature part.On-the-spot high-tension apparatus management information module (8) mainly is according to the name of field apparatus and in conjunction with the picture of infrared thermoviewer generation, each parameter and the on-the-spot service data that current signal management information module (9) is formulated on-the-spot high-tension apparatus electrical equipment, set up the equipment and the electric current respective value that occur in each picture, the device current on each picture is become the network information.Infrared imaging figure information module (10) has obtained maximum temperature value and minimum temperature value in the infrared picture by infrared picture analyzing, analyzes relevant device maximum temperature and minimum temperature point in the infrared picture; Shown by infrared temperature limit information module (11).Ambient temperature measurement information module (12) mainly is the environment temperature of measuring equipment, is heating and the environment temperature relation of analytical equipment.Infrared imaging figure information module (10), infrared temperature limit information module (11), all pictures that measure of ambient temperature measurement information module (12) and information are aggregated into infrared image deduction information module (14), infrared image deduction information module (14) gathers and sorts and deliver to communication unit module (15), the information that communication unit module (15) is sent equipment running status information module (13) and infrared image deduction information module (14) here passes on the network, realized the site infrare picture of the population parameter of all high-voltage electrical equipments of transformer station, analyze the high-tension apparatus febrile state, the real-time analysis that has solved equipment heating and electric current Relations Among also can remote monitoring on network.
Claims (2)
1. an online infreared imaging device comprises: site infrare imager (1), power circuit (2), cradle head device (3), imager image network output unit (4), AC current transformer (5), current signal processing unit (6), field data is preserved and administrative unit (7).Its circuit is connected to: electric main 220V, 50HZ power supply or DC220V power supply are received the input end of power circuit (2); The output terminal of power circuit (2) and site infrare imager power input join; Site infrare imager (1) and cradle head device (3) join; Power circuit (2) output terminal and cradle head device (3), current signal processing unit (6), field data preserve with administrative unit (7) power input mutually and connect; Site infrare imager (1) output terminal and imager image network output unit (4) input end join, and imager image network output unit (4) and field data are preserved and administrative unit is joined (7); AC current transformer (5) and current signal processing unit (6) join; Current signal processing unit (6) output and field data are preserved with administrative unit (7) and are joined.
2. it is characterized in that field data is preserved and administrative unit (7) comprising: on-the-spot high-tension apparatus management information module (8), current signal management information module (9), infrared imaging figure information module (10), infrared temperature limit information module (11), ambient temperature measurement information module (12), equipment running status information module (13), infrared image deduction information module (14), communication unit module (15).It is connected to on-the-spot high-tension apparatus management information module (8) and current signal management information module (9) is joined; On-the-spot high-tension apparatus administration module (8) and current signal management information module (9) and equipment running status information module (13) are mutually and connect; Infrared imaging figure information module (10) and infrared temperature limit information module (11) join; Infrared imaging figure information module (10), infrared temperature limit information module (11), ambient temperature measurement information module (12) and infrared image are deducted a percentage information module (14) mutually and are connect; Equipment running status information module (13) and infrared image deduction information module (14) and communication unit module (15) phase also connect.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103278244A (en) * | 2013-05-15 | 2013-09-04 | 杭州盈电科技有限公司 | Monitoring method and monitoring system for overheat fault of transformer |
| WO2014180337A1 (en) * | 2013-05-09 | 2014-11-13 | 王浩 | Thermal image monitoring control device, monitoring system and thermal image monitoring control method |
| WO2014180335A1 (en) * | 2013-05-09 | 2014-11-13 | Wang Hao | Thermal image analysis monitoring device and monitoring system, and thermal image analysis monitoring method |
| CN104165698A (en) * | 2014-08-21 | 2014-11-26 | 国家电网公司 | Substation power transformer overheating fault monitoring system based on thermal infrared imager |
| CN104569666A (en) * | 2014-12-25 | 2015-04-29 | 重庆大学 | Power transformer fault prediction method based on electricity-graph model |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180337A1 (en) * | 2013-05-09 | 2014-11-13 | 王浩 | Thermal image monitoring control device, monitoring system and thermal image monitoring control method |
| WO2014180335A1 (en) * | 2013-05-09 | 2014-11-13 | Wang Hao | Thermal image analysis monitoring device and monitoring system, and thermal image analysis monitoring method |
| CN103278244A (en) * | 2013-05-15 | 2013-09-04 | 杭州盈电科技有限公司 | Monitoring method and monitoring system for overheat fault of transformer |
| CN103278244B (en) * | 2013-05-15 | 2016-04-20 | 杭州盈电科技有限公司 | The monitoring method of overheat fault of transformer and monitoring system thereof |
| CN104165698A (en) * | 2014-08-21 | 2014-11-26 | 国家电网公司 | Substation power transformer overheating fault monitoring system based on thermal infrared imager |
| CN104569666A (en) * | 2014-12-25 | 2015-04-29 | 重庆大学 | Power transformer fault prediction method based on electricity-graph model |
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