Converting station electric power transformer overheating fault monitoring system based on thermal infrared imager
Technical field
The present invention relates to the field of power technology, especially the converting station electric power transformer overheating fault monitoring system based on thermal infrared imager.
Background technology
Converting station electric power transformer overheating fault on-line monitoring system based on thermal infrared imager is realized converting station electric power transformer is carried out to overheating fault on-line monitoring and auto-alarm function.Converting station electric power transformer, as the visual plant of Operation of Electric Systems, causes occurring various faults because long-time running adds the impact of environmental factor, thereby affects the operation of whole electric power system, and cause economic loss.Along with the fast development of modern electric industry, electric power system is more and more higher to the dispensing quality requirements of electric energy, and in electric system, any one link generation problem of electrical energy production, conveying, distribution all can have influence on the normal operation of whole system.Transformer station, as the key link of Operation of Electric Systems, ensures its safe operation and ensures that the power equipment moment, in stablizing good running status, is the important process of managing in shop.Therefore, the power equipment of transformer station is carried out to real time on-line monitoring, be conducive to ensure power system safety and stability operation, reduce electric equipment maintenance cost, ensure the quality of power supply and power supply reliability, be also extremely important for the aspect such as sustainable growth and the normal electricity consumption of people's lives that ensures national economy.
The trouble location of converting station electric power transformer and reason have varied, can be divided into substantially internal fault and external fault.The long-term experiment data that provide according to kiowatt and a large amount of comprehensive statistics of observing, most transformer faults position is all with fever phenomenon, by experimental data, break down Shi Douyou obvious thermal source position with thermal phenomenon of more than 90% power equipment, therefore, whether monitoring transformer generates heat can be judged most transformer fault types extremely, for further equipment inspection provides important evidence, as can be seen here, temperature to power equipment is monitored closely, is the indispensable means that ensure power equipment reliability service.Electric system at present all adopts Handheld infrared thermal imager to detect to the fault detect of power transformer conventionally, and Handheld infrared thermal imager has certain limitation: need manual operation; Can not monitor power transformer continuously; Cannot initiative alarming etc.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the problem of above-mentioned middle existence, provide a kind of converting station electric power transformer overheating fault monitoring system based on thermal infrared imager.
The technical solution adopted for the present invention to solve the technical problems is: a kind of converting station electric power transformer overheating fault monitoring system based on thermal infrared imager, comprise the thermal infrared imager for monitoring power electric transformer, industrial computer and control computing machine, described thermal infrared imager sends to industrial computer by the transmission medium carrying by temperature data, industrial computer is transferred to control computing machine by power private network by signal, described industrial computer comprises data acquisition module, infrared image processing module, the temperature survey display module joining with infrared image processing module and the remote monitoring module being connected with temperature survey display module, described data acquisition module receives the data of thermal infrared imager output, data acquisition module by the infrared image acquisition of thermal infrared imager picked-up to the temperature data communication of processing and absorbing for infrared image processing module in computer monitoring software systems to temperature survey display module, the infrared image that infrared image processing module is collected carries out being transferred to image display after picture format conversion, the output terminal of temperature survey display module is connected with temperature display alarm.
Described thermal infrared imager comprises optical system, infrared eye and signal conditioning equipment and signal stage process handling equipment, optical system receives the infrared radiation of testee, convert by infrared eye the infrared radiation receiving to electric signal, electric signal after conversion utilizes signal preprocessor equipment to carry out pre-service, pretreated signal is transferred to signal stage process handling equipment, on signal stage process handling equipment, is connected with input equipment, output device, the network port and memory device.
Described industrial computer also comprises the storage server for storing transformer thermograph, and storage server is connected with image display.
Carry in order to realize far-end, described temperature display alarm output terminal is connected with SMS (Short Messaging Service) receiving terminal.
Described industrial computer also comprise for detection of the load detection device of transformer load, for detection of the temperature-detecting device of environment temperature, for detection of in the humidity detector of ambient humidity any one or multiple, load detection device, temperature-detecting device or humidity detector are connected with infrared image processing module respectively.
The invention has the beneficial effects as follows that the converting station electric power transformer overheating fault monitoring system based on thermal infrared imager of the present invention utilizes thermal infrared imager to gather infrared picture data and temperature data that thermal infrared imager generates; Utilize on-line monitoring software systems can realize the online timing Full-automatic temperature monitoring of transformer, intelligent overtemperature fault alarm, accomplish the remote temperature monitoring of unattended operation transformer station power transformer, save a large amount of manpower and materials, finally realized the transformation of power equipment from traditional scheduled overhaul to precognition repair based on condition of component.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structured flowchart of thermal infrared imager in Fig. 1;
Fig. 3 is the structured flowchart of industrial computer in Fig. 1;
Fig. 4 is the process flow diagram of thermal infrared imager operation.
1. thermal infrared imagers in figure, 11. optical systems, 12. infrared eyes, 13. signal conditioning equipments, 14. signal stage process handling equipments, 15. input equipments, 16. output devices, 17. network ports, 18. memory device 2. industrial computers, 21. data acquisition modules, 22. infrared image processing modules, 23. temperature survey display modules, 24. remote monitoring modules, 25. image displays, 26. temperature display alarms, 27. storage servers, 28. SMS (Short Messaging Service) receiving terminals, 29. load detection devices, 210. temperature-detecting device, 211. humidity detector, 3. control computing machine.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
The converting station electric power transformer overheating fault monitoring system based on thermal infrared imager as shown in Figure 1, comprise thermal infrared imager 1, industrial computer 2 and control computing machine 3 for monitoring power electric transformer, thermal infrared imager 1 sends to industrial computer 2 by the transmission medium carrying by temperature data, and industrial computer 2 is transferred to signal to control computing machine 3 by power private network.
The converting station electric power transformer overheating fault monitoring system based on thermal infrared imager as shown in Figure 2, thermal infrared imager 1 comprises optical system 11, infrared eye 12 and signal conditioning equipment 13 and signal stage process handling equipment 14, optical system 11 receives the infrared radiation of testee, convert by infrared eye 12 infrared radiation receiving to electric signal, electric signal after conversion utilizes signal preprocessor equipment 13 to carry out pre-service, pretreated signal is transferred to signal stage process handling equipment 14, on signal stage process handling equipment 14, be connected with input equipment 15, output device 16, the network port 17 and memory device 18.
The converting station electric power transformer overheating fault monitoring system based on thermal infrared imager as shown in Figure 3, industrial computer 2 comprises data acquisition module 21, infrared image processing module 22, the temperature survey display module 23 joining with infrared image processing module 22, the remote monitoring module 24 being connected with temperature survey display module 23, for storing the storage server 27 of transformer thermograph, for detection of the load detection device 29 of transformer load, for detection of the temperature-detecting device 210 of environment temperature, for detection of in the humidity detector 211 of ambient humidity any one or multiple, data acquisition module 21 receives the data that thermal infrared imager 1 is exported, the infrared image acquisition that data acquisition module 21 absorbs thermal infrared imager 1 to the temperature data communication of processing and absorbing for infrared image processing module 22 in computer monitoring software systems to temperature survey display module 23, load detection device 29, temperature-detecting device 210 or humidity detector 211 are connected with infrared image processing module 22 respectively, the infrared image that infrared image processing module 22 is collected carries out being transferred to image display 25 after picture format conversion, image display 25 is connected with storage server 27, the output terminal of temperature survey display module 23 is connected with temperature display alarm 26, temperature display alarm 26 output terminals are connected with SMS (Short Messaging Service) receiving terminal 28.
Converting station electric power transformer overheating fault monitoring system based on thermal infrared imager of the present invention, utilize optical system 11 in thermal infrared imager 1 to receive the infrared radiation of testee, formed by the outer optical lens of Different Red according to the requirement of visual field size and picture element, play the infrared radiation of testee is converged, the effect of filtering and focusing, infrared eye 12 is converting electric signal to by the infrared radiation of optical system 11, infrared eye adopts non-refrigeration type focal plane thermal imaging system, successively by signal conditioning equipment 13 and signal stage process handling equipment 14, finally utilize output device 16 that image is exported, in operation monitoring system software, thermal infrared imager 1 gathers after infrared image, by data communication module by image data transmission after main frame, transformer overheating fault on-line monitoring software systems receive view data, image and temperature information are processed, realize the repertoire of this on-line monitoring system, by software initialization setting, check the connection status state connected to the network of thermal infrared imager, in the time that thermal infrared imager malunion is normal, determined to ignore or retry or interrupt run software by user, in the time that network malunion is normal, on software interface, pilot lamp prompting malunion is normal, then normally start, if every inspection is all normal, show interface as shown in Figure 4, wherein the timing cycle of timer 1 is 2s, Main Function is the infrared image that shows that in real time thermal infrared imager is taken, in timer 1, the partial function of image processing mode will be called.
Taking above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to claim scope.