CN205280151U - High voltage isolator vibration state monitoring system - Google Patents
High voltage isolator vibration state monitoring system Download PDFInfo
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- CN205280151U CN205280151U CN201620020516.7U CN201620020516U CN205280151U CN 205280151 U CN205280151 U CN 205280151U CN 201620020516 U CN201620020516 U CN 201620020516U CN 205280151 U CN205280151 U CN 205280151U
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- high voltage
- voltage isolator
- monitoring system
- acceleration sensor
- vibration
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- 238000004458 analytical method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 5
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- 238000012423 maintenance Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
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Abstract
The utility model discloses a high voltage isolator vibration state monitoring system, include control detection system, the laser energy supply system who constitutes by temperature sensor, vibrational acceleration sensor, plug -in strip adjusting device and control detection board and set up in the monitoring system of transformer substation's master -control room, temperature sensor connects in high voltage isolator's surface, vibrational acceleration sensor and plug -in strip adjusting device connect high voltage isolator's plug -in strip respectively, the output signal of temperature sensor and vibrational acceleration sensor sends to monitoring system through the control detection board respectively, the control detection buttress is according to the input signal control plug -in strip adjusting device action of vibrational acceleration sensor, laser energy supply system is the power supply of control detection board. The utility model discloses need not to send the staff to go to the scene, reduce manpower, time cost input, put forward the high automation level.
Description
Technical field
The utility model relates to substation and automatically monitors field, is specifically related to a kind of high voltage isolator Vibration Condition Monitoring system.
Background technology
Along with the carrying out of city net, the upgrading of rural power grids and the popularization of substation's automatic technology, unattended substation gets more and more, current unattended substation generally has following automation system: comprehensive automation system of transformer substation, error proof locking system of microcomputer, part substation also have fire-proof and theft-proof system (remote viewing).
Isolator is primary equipments extremely important in substation, that quantity is maximum, due to device fabrication, environmental pollution, ground distortion, long-time running, seriously overload the reasons such as operation, contact oxidation, electric arc impact, isolator exist when closed closed not in place, cross position and contact such as loosens at the problem, also there is the potential safety hazards such as heating, rise in temperature during operation; This phenomenon increases area faster at load and seems particularly general.
Condition monitoring and auto-real-time monitoring to isolator contact are the temperature risings utilizing infrared unit monitoring isolator to close and cause after the increase of load electric current, this state of health etc. closing whether completely success and isolator just cannot be accurately judged in the moment that isolator closes, still need regularly to send someone scene infrared rays or laser temperature-measuring instrument is measured at a distance, or manual observation, paster observation etc., condition monitoring can not be accomplished, Real-Time Monitoring, Realtime Alerts, process in time, especially because isolator is distributed in different places, and be all high voltage component, bring difficulty more to the supervision of heating, separately by manual inspection, this kind of accident potential cannot be stopped, really to be realized the unattended of substation, improve power supply reliability, this problem must solve.
Along with the raising of substation's automatization level, no matter it is the rear unattended substation of newly-built intelligent substation or transformation, isolator remote control operation technology reaches its maturity, but divide by isolator, close a floodgate the impact of reliability of putting in place, most substation still adopts a distant place deciliter (remote control) isolating switch, the mode of (electronic) deciliter isolator on the spot, namely operation maintenance personnel is run on-the-spot observation at substation isolating-switch and is electrically connected conducting situation before and after isolator divide-shut brake, next step operation is carried out after reporting regulation and control center, this kind of operating mode subtracts people with substation and unmanned demand for development pole is not consistent.
The substation that automatization level is higher adopts video monitoring to put in place as detection and isolation switch divide-shut brake the supplementary means of state usually, but video monitoring exist only to part co-bit not in place/cross position effective, also easily by subjective human factor, angle, sharpness, dirt, and the shortcoming of the synoptic climate such as wind, rain, snow, night impact, simultaneously, camera is limited amount not only, shooting has dead angle, and can limit by the network bandwidth, cause image quality deteriorates, monitored picture has distortion phenomenon, it is also possible to cause picture delayed; Therefore, current video monitoring result only for regulation and control center as a reference, can not substitute operation maintenance personnel field observation.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of high voltage isolator Vibration Condition Monitoring system, the isolator Monitoring systems that can solve prior art by video monitoring detection and isolation visible blade close not in place, cross position and contact such as loosens at the problem, reliability is low, still need to send staff to go to, can not really accomplish the problem of full-automaticization.
The utility model is achieved through the following technical solutions:
A kind of high voltage isolator Vibration Condition Monitoring system, comprises the control detection system, the laser power supply system that are made up of temperature sensor, vibration acceleration sensor, lock cutter setting device and control check-out console and is arranged at the Monitoring systems of substation's master control room;
Described temperature sensor is connected to the surface of high voltage isolator, described vibration acceleration sensor and lock cutter setting device connect the lock cutter of high voltage isolator respectively, the output signal of described temperature sensor and vibration acceleration sensor is sent to Monitoring systems through control check-out console respectively, described control check-out console is according to the output signal control lock cutter setting device action of vibration acceleration sensor, and described laser power supply system is powered for controlling check-out console;
Described lock cutter setting device comprises the mount pad being connected on high voltage isolator, the cutter groove that the top of described mount pad is provided with the lock cutter on high voltage isolator coordinates, described cutter groove inwall both sides are relatively set with and regulate roller and backing plate, described adjustment roller and miniature motor transmission, its wheel shaft is horizontally disposed with, wheel rim is towards backing plate, described backing plate is vertically arranged, its push rod being just connected with in level insertion cutter groove inwall facing to adjustment roll wheel, the back side and compression spring; The controller of described miniature motor is connected to control check-out console output terminal.
Further scheme of the present utility model is, the wheel rim of described adjustment roller is provided with rubber adhesive.
Further scheme of the present utility model is, comprises a low-tension side laser transmitter and an opto-electronic conversion module in described laser power supply system, and low-tension side laser transmitter converts luminous energy to electric energy via opto-electronic conversion module and powers for controlling check-out console.
Further scheme of the present utility model is, described control check-out console sends signal by transmission over radio module, described Monitoring systems comprises receiving system, signal detection solution adjusting system and vibration analysis expert systems, the Signal transmissions received is carried out opto-electronic conversion, signal processing to signal detection solution adjusting system by the receiving antenna of described receiving system, then inputted vibration expert system carries out storing, comparative analysis.
Further scheme of the present utility model is, also comprises and is installed on monitoring probe below high voltage isolation switch insulating porcelain vase.
Further scheme of the present utility model is, described monitoring probe on be provided with automatic cleaning system, described automatic cleaning system be one by motor drive, monolithic processor controlled hairbrush.
Further scheme of the present utility model is, described monitoring probe adopts filter infrared lens.
Further scheme of the present utility model is, described temperature sensor is hot resistance.
Further scheme of the present utility model is, described vibration acceleration sensor selects three axle omnirange vibration acceleration sensors.
The utility model advantage compared with prior art is:
One, the temperature of high voltage isolator is detected by temperature sensor, the lock cutter combined floodgate situation of high voltage isolator is detected by vibration acceleration sensor, the position of lock cutter is adjusted in time with lock cutter setting device, and detection data are sent to Monitoring systems, without the need to sending staff to go to scene, reduce manpower, time cost input, it is to increase automatization level;
Two, the adjustment roller being oppositely arranged and backing plate connect lock cutter both sides respectively, and backing plate provides pressure, and when regulating roller to roll, lock cutter moves up and down, and carries out position adjustment, to guarantee closed putting in place;
Three, rubber adhesive insulation is wear-resisting, and can improve frictional force, prevents from regulating incidence to regulate the effect of lock cutter position;
The data stored are analyzed by four, vibration analysis expert systems, and consequence that comprehensive descision may cause, impact, to carry out the prevention of accident, process, it is to increase the security of substation operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the frequency spectrum figure of isolator in the tight state of conjunction of vibration acceleration sensor detection.
The isolator that Fig. 3 is vibration acceleration sensor detection in contact but does not close the frequency spectrum figure of tight state.
Fig. 4 is the frequency spectrum figure of the non-contact condition of isolator of vibration acceleration sensor detection.
Fig. 5 is lock cutter setting device structural representation.
Fig. 6 is the A direction view of Fig. 5.
Embodiment
A kind of high voltage isolator Vibration Condition Monitoring system as shown in Figure 1, comprises the control detection system, the laser power supply system that are made up of hot resistance, three axle omnirange vibration acceleration sensors, lock cutter setting device and control check-out console and is arranged at the Monitoring systems of substation's master control room;
Described hot resistance is connected to the surface of high voltage isolator, described three axle omnirange vibration acceleration sensors and lock cutter setting device connect the lock cutter of high voltage isolator respectively, the output signal of described hot resistance and three axle omnirange vibration acceleration sensors sends signal through control check-out console by transmission over radio module respectively, described Monitoring systems comprises receiving system, signal detection solution adjusting system and vibration analysis expert systems, the Signal transmissions received is carried out opto-electronic conversion to signal detection solution adjusting system by the receiving antenna of described receiving system, signal processing, inputted vibration expert system stores again, comparative analysis, described control check-out console is according to the output signal control lock cutter setting device action of three axle omnirange vibration acceleration sensors, owing to the electric wire of energy supply equipment can cause certain potential safety hazard under work of transformer substation environment, its length has limited to the use range of equipment, thus wireless energy supplying system just seems very important, can be implemented in and within the scope of certain distance, realize the wireless energy supply to electronics and transmission over radio accurately, comprising a low-tension side laser transmitter and an opto-electronic conversion module in described laser power supply system, low-tension side laser transmitter converts luminous energy to electric energy via opto-electronic conversion module and powers for controlling check-out console.
The waveform of each lock cutter action of vibration analysis expert systems record vibration acceleration sensor detection, then compare with the historical data stored, coordinate the lock cutter feature accumulation data of magnanimity and adopt advanced wavelet transformation theory (WaveletTransforms) and the analytical procedure based on hidden Markov model (HiddenMarkovModelsHMM), the fault adopting additive method can not monitor such as electric monitoring method can be caught, and predict the potential faults that may occur.
The detection method of combined floodgate problem: combined floodgate produced problem comprise close not in place, cross position, poor contact of contacts and in operational process gradually loosen etc. Because the tightness degree that contact combines directly affects the whole mode characteristic with part of isolator, for the isolator of each model, its isolator mode characteristic that is whole and part is consistent, the project implementation process can carry out modal analysis in advance for the isolator of a kind of model, obtain its mode characteristic, the database of Erecting and improving. Like this, the tightness degree that contact combines just can real-time monitor by the method for online modal analysis.
Spectrogram data table
Described lock cutter setting device is such as Fig. 5, shown in Fig. 6, comprise both sides and it is provided with connection ear 9, the mount pad 2 being connected on high voltage isolator, the cutter groove 10 that the top of described mount pad 2 is provided with the lock cutter 4 on high voltage isolator coordinates, described cutter groove 10 inwall both sides are relatively set with and regulate roller 5 and backing plate 6, described adjustment roller 5 and miniature motor transmission, its wheel shaft is horizontally disposed with, wheel rim is towards backing plate 6, the wheel rim of described adjustment roller 5 is provided with rubber adhesive, described backing plate 6 is vertically arranged, it just takes turns 5 facing to adjustment roll, the push rod 7 that the back side is connected with in level insertion cutter groove 10 inwall, the end that described push rod 7 inserts cutter groove 10 inwall is provided with compression spring 8, the controller of described miniature motor is connected to control check-out console output terminal.
Not in place when detecting that lock cutter closes, when crossing the problems such as position and contact loosen, automatically lock cutter setting device action is controlled by control check-out console, when lock cutter is crossed, adjustment roller rotates clockwise, lock cutter is up adjusted, otherwise then rotate counterclockwise, by regulating the frictional force of roller to realize the trace adjustment of lock cutter position, and then without the need to sending staff manually to adjust to job site, and when later stage appearance is loosening or because of vibrated position or situation not in place, as long as also trace regulates the position of lock cutter just can automatically realize regulating, without the need to manual operation, more save cost, use convenient.
Also comprising and be installed on monitoring probe below high voltage isolation switch insulating porcelain vase, each contact often organizing high voltage isolator installs a monitoring probe, and installation position is for below insulation porcelain vase, it is achieved take one to one; A frame photo site can be uploaded after isolator divide-shut brake completes, also can check real-time imaging simultaneously; It is take from bottom to top due to camera, so to be considered that many environmental factorss are on the impact of picture quality, as prevented infrared light on gathering the impact of image, how to regulate white balance, how to control having dust or foreign matter etc. above exposure, camera lens.
Described monitoring probe on be provided with automatic cleaning system, described automatic cleaning system be one by motor drive, monolithic processor controlled hairbrush, described monitoring probe adopt filter infrared lens.
In optical singnal processing system, select filter infrared lens to prevent Sensor is gathered image by infrared light impacts, simultaneously in pcb board designs, strictly guarantee lens focus center in the photosensitive matrix of sensor in the heart, make clear picture imaging;
In electric image signal treatment system, it may also be useful to that Sensor exports is Bayerpattern, and these data are converted into rgb signal by isp process. Isp treating processes adds independent research 5A algorithm (automatic white balance, automatically gain, auto-exposure control, automatically fall make an uproar, Adaptive contrast enhancement) to white balance, spectrum assignment improves, and by gamma correction, flicker eliminates and regulates. Separately to image parameter based on different scene of the equipment de-sign of every series, these image parameters comprise open to the contrast gradient of users, brightness, saturation ratio, and acutance, possesses ultra-low illumination image processing system simultaneously, can reach 0.02lux ultra-low illumination imaging;
When video transmits, video flowing is encoded by later stage coding by dsp, it may be achieved 1080P, to 2Mbps, is compressed to 4Mbps by the compression of images of 720P, is applicable to very much network transmission.
Claims (9)
1. a high voltage isolator Vibration Condition Monitoring system, it is characterised in that: comprise the control detection system, the laser power supply system that are made up of temperature sensor, vibration acceleration sensor, lock cutter setting device and control check-out console and it is arranged at the Monitoring systems of substation's master control room;
Described temperature sensor is connected to the surface of high voltage isolator, described vibration acceleration sensor and lock cutter setting device connect the lock cutter of high voltage isolator respectively, the output signal of described temperature sensor and vibration acceleration sensor is sent to Monitoring systems through control check-out console respectively, described control check-out console is according to the output signal control lock cutter setting device action of vibration acceleration sensor, and described laser power supply system is powered for controlling check-out console;
Described lock cutter setting device comprises the mount pad (2) being connected on high voltage isolator, the cutter groove (10) that the top of described mount pad (2) is provided with the lock cutter (4) on high voltage isolator coordinates, described cutter groove (10) inwall both sides are relatively set with and regulate roller (5) and backing plate (6), described adjustment roller (5) and miniature motor transmission, its wheel shaft is horizontally disposed with, wheel rim is towards backing plate (6), described backing plate (6) is vertically arranged, it just takes turns (5) facing to adjustment roll, the push rod (7) that the back side is connected with in level insertion cutter groove (10) inwall and compression spring (8), the controller of described miniature motor is connected to control check-out console output terminal.
2. a kind of high voltage isolator Vibration Condition Monitoring system as claimed in claim 1, it is characterised in that: the wheel rim of described adjustment roller (5) is provided with rubber adhesive.
3. a kind of high voltage isolator Vibration Condition Monitoring system as claimed in claim 1, it is characterized in that: comprise a low-tension side laser transmitter and an opto-electronic conversion module in described laser power supply system, low-tension side laser transmitter converts luminous energy to electric energy via opto-electronic conversion module and powers for controlling check-out console.
4. a kind of high voltage isolator Vibration Condition Monitoring system as claimed in claim 1, it is characterized in that: described control check-out console sends signal by transmission over radio module, described Monitoring systems comprises receiving system, signal detection solution adjusting system and vibration analysis expert systems, the Signal transmissions received is carried out opto-electronic conversion, signal processing to signal detection solution adjusting system by the receiving antenna of described receiving system, then inputted vibration expert system carries out storing, comparative analysis.
5. a kind of high voltage isolator Vibration Condition Monitoring system as claimed in claim 1, it is characterised in that: also comprise and it is installed on monitoring probe below high voltage isolation switch insulating porcelain vase.
6. high voltage isolator Vibration Condition Monitoring system as claimed in claim 5 a kind of, it is characterised in that: being provided with automatic cleaning system on described monitoring probe, described automatic cleaning system is one by motor driving, monolithic processor controlled hairbrush.
7. a kind of high voltage isolator Vibration Condition Monitoring system as claimed in claim 5, it is characterised in that: described monitoring probe adopts filter infrared lens.
8. a kind of high voltage isolator Vibration Condition Monitoring system as claimed in claim 1, it is characterised in that: described temperature sensor is hot resistance.
9. a kind of high voltage isolator Vibration Condition Monitoring system as claimed in claim 1, it is characterised in that: described vibration acceleration sensor selects three axle omnirange vibration acceleration sensors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620020516.7U CN205280151U (en) | 2016-01-11 | 2016-01-11 | High voltage isolator vibration state monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620020516.7U CN205280151U (en) | 2016-01-11 | 2016-01-11 | High voltage isolator vibration state monitoring system |
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| CN205280151U true CN205280151U (en) | 2016-06-01 |
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| CN201620020516.7U Withdrawn - After Issue CN205280151U (en) | 2016-01-11 | 2016-01-11 | High voltage isolator vibration state monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547367A (en) * | 2016-01-11 | 2016-05-04 | 江苏省电力公司淮安供电公司 | High-voltage isolation switch vibration state monitoring system |
| CN106885987A (en) * | 2017-04-13 | 2017-06-23 | 国网宁夏电力公司吴忠供电公司 | A kind of high voltage isolator on-line monitoring system based on modal analysis method |
-
2016
- 2016-01-11 CN CN201620020516.7U patent/CN205280151U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547367A (en) * | 2016-01-11 | 2016-05-04 | 江苏省电力公司淮安供电公司 | High-voltage isolation switch vibration state monitoring system |
| CN105547367B (en) * | 2016-01-11 | 2017-07-21 | 江苏省电力公司淮安供电公司 | A kind of high voltage isolator Vibration Condition Monitoring system |
| CN106885987A (en) * | 2017-04-13 | 2017-06-23 | 国网宁夏电力公司吴忠供电公司 | A kind of high voltage isolator on-line monitoring system based on modal analysis method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20170721 |