CN202049219U - Detecting device based on ultraviolet photon corona detection method - Google Patents
Detecting device based on ultraviolet photon corona detection method Download PDFInfo
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- CN202049219U CN202049219U CN2011201138928U CN201120113892U CN202049219U CN 202049219 U CN202049219 U CN 202049219U CN 2011201138928 U CN2011201138928 U CN 2011201138928U CN 201120113892 U CN201120113892 U CN 201120113892U CN 202049219 U CN202049219 U CN 202049219U
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Abstract
The utility model discloses a detecting device based on an ultraviolet photon corona detection method, comprising a shell and an ocular, wherein the shell is also internally provided with a laser distance measuring module, an ultraviolet optical lens, an ultraviolet optical sensor, a main control circuit, a power module and a display module. The detecting device can be operated simply and conveniently, can carry out tests stably, can obtain reliable data, and leads a user to visually obtain detection results.
Description
Technical field
The utility model belongs to electric system electrical device discharge monitoring technical field, relate in particular to a kind ofly, be applicable to that power transmission and transformation operations pick-up unit is carried out corona to be detected and the fault judgement analysis based on ultraviolet photon high-precision digital corona detection method and device thereof.
Background technology
High-voltage electric power circuit is the lifeblood of national economy, and is along with the construction energetically of high ferro, intelligent grid, just even more important for the maintaining of power circuit electric power pick-up unit.The most of high-voltage electrical apparatus pick-up unit of electric system external insulation structure has the non-uniform electric field feature, in severe non-uniform electric field, after voltage is increased to certain value on the gas gap, can form the very high passage of a conduction in the gap, claims gas gap to puncture.After the puncture, have different discharge types according to power, electrode form, gaseous tension etc., in low pressure, power hour, discharge shows as the aura that is full of whole gap or pulls out the discharge of electricity form; Under high pressure, often show as discharge types such as spark, electric arc even flashover; In severe non-uniform electric field, can begin discharge earlier than the strength in internal field, be called corona discharge.The high-voltage electrical apparatus pick-up unit is under normal operating condition, and a little less than its surface corona, electromagnetic interference (EMI) is little.But because unreasonable, the designing quality problem or affected by environment of design, and pick-up unit in service surface defective occurs and can cause all that electric field is concentrated and corona discharge takes place.For UHV (ultra-high voltage), extra-high voltage electrical device, the corona discharge feature is obvious, and brings correlation effects such as radio interference, energy loss, noise pollution thus.
The main method that corona detects has: visual inspection, the online detection of leakage current, ultrasound examination, infrared thermal imaging and UV detection etc.The at present main method that adopts UV detection utilizes promptly that corona discharge can give off this characteristic of ultraviolet light in the air, uses the ultraviolet light detection technique to observe the situation that discharge takes place.The electromagnetic radiation that the high voltage transmission line corona discharge produces belongs to ultraviolet ray greatly, and most of wavelength also has fraction at 240-280nm at 280-400nm, and the latter be a blind ultraviolet band of day.The target of blind ultraviolet band detects to day, can avoid the interference of sun background, and accuracy rate is very high.Detecting and locating corona discharge is the important application of ultraviolet detection technology at civil area.Utilized the UV corona monitoring in the past, the one, according to what corona discharge intensity is quantized with ultraviolet light subnumber in its shown unit interval, another kind of approach is according between ultraviolet image area and the discharge capacity linear relationship being arranged, to discharge scenario, the insulation situation is carried out classification according to the state of hot spot.
Photon quantizes the ultraviolet photon that means are produced when unit of display time internal object corona takes place in real time, and characterizes the intensity of corona discharge as parameter.The photon number variation range is bigger in the detected corona discharge unit interval of ultraviolet imagery instrument, be difficult to statistical study, test result is relevant with experimenter's on-site experience, cause measuring error easily, be unfavorable for that electrical device discharge process quantizes and predict the fault progression trend of pick-up unit.The photon number that instrument shows is closely related with the gain of instrument self, and relevant with environmental factors such as the distance of detecting instrument and point of discharge, air humiditys, the accurate response strength of discharge, must effectively demarcate the photon number of instrument demonstration.At present,, mainly undertaken,, judge the defective of circuit with human eye or computing machine comparative analysis ultraviolet or the visible images that collects by the mode of artificial line walking to the maintenance of high-voltage electric power circuit.Russia utilizes atmosphere ultraviolet window to detect, and this camera work is not that effect is fine at night at the ultraviolet non-solar-blind band, can not use by day; Israel and South Africa all adopt non-solar-blind band to detect, successfully avoided the interference of sunlight background, but data that can not very direct acquisition corona ultraviolet radiation intensity are not easy corona discharge UV radiation intensity is carried out quantitative test, are difficult to form the identification of objective corona failure strength; The corona of the U.S. detects the high-precision doubling of the image technology that adopts, two optical lens high precision overlap, domestic rich high common CCD and the ultraviolet optics optical filtering of adopting, the glass mirror mode is changed in employing, visual light imaging picture and ultraviolet image are carried out overlay analysis, the both exists the optical system requirement high, and imaging time is long, is not suitable for the detection of dynamic of cruising.The general ultraviolet imager remedies the under-sensitive mode 2 kinds of modes: strengthen signal through chip, advantage is to have increased hot spot, and shortcoming is to form shadow below each corona image, and the corona image has the distortion sense; Increase wavelength coverage, adopt Night, advantage is to have strengthened the ultraviolet waves energy, and shortcoming is to detect at night.At present but UV corona detects pick-up unit and generally image is carried out frame and superpose and strengthen the apparent intensity of UV image, by the software and hardware noise reduction technology of vision signal being reduced the noise of image, need computing machine to carry out analyzing and processing, power supply power consumption is big, volume is big, be inconvenient to carry, and complicated operation, complex structure, manufacturing cost, maintenance cost height, cost an arm and a leg, photon number can't dynamically be exported, and it is short to detect distance, Flame Image Process is required high, need the high-precision optical system, be difficult to satisfy airborne requirement of patrolling and examining.
How to make corona detect the pick-up unit cost and reduce, and further improve accuracy in detection and detect distance, realize automatic identification and warning electric discharge type, need be to the improvement of existing corona detection method and haveing breakthrough property of device.Therefore, how research can quantize real in necessary by sensitivity and the strength of discharge that adopts new detection method and device to increase substantially the corona detection under the situation of the components and parts that use existing maturation.
The utility model content
The purpose of this utility model just is to provide a kind of pick-up unit based on ultraviolet photon corona detection method, and it is easy and simple to handle, stable testing, data reliable and the user can obtain testing result intuitively.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of pick-up unit based on ultraviolet photon corona detection method, comprise: housing, eyepiece also are provided with laser ranging module, ultraviolet optics camera lens, ultraviolet light transducer, governor circuit, power module, display module in housing.
Described eyepiece is installed in the housing top.It in certain observation scope focusing automatically.
Described laser ranging module is placed in the housing, is in the same axis normal of eyepiece below.
Be provided with the module of being made up of generating laser and circuit board, laser pickoff and circuit board thereof, laser ranging data processing integrated circuit plate in housing, this module links to each other with signal processing circuit.Be used for each detection distance is analyzed.
Described described ultraviolet condenser lens, be installed in the housing front end, be placed on the same axis normal of laser ranging module below, corresponding transmission wave band is 180～280nm, have in this wavelength band and to be higher than the purple rate of 80% optical lens, the aperture of lens diameter is 40～200mm, and Ultraviolet sensor is placed on the focus place of lens.
Described ultraviolet light transducer is placed in the housing, and is placed on the focus place of lens; Its response wave band is 180～280nm, sensitive detection unit in the ultraviolet light transducer is placed on the optical lens focus, detect ultraviolet radiation and added the RC pulse driving circuit in the detector detection module in the ultraviolet light transducer, adopt periodically to reduce anode voltage, make it be lower than discharge and keep the self-sustaining that voltage method has prevented discharge current.
As preferably, on shell, also be provided with power-switching circuit, described power-switching circuit carries out input voltage the high pressure that the ultraviolet light transducer condition of work needs that converts to of DC/DC.
Described governor circuit comprises amplifying circuit and signal processing circuit, and amplifying circuit places and is connected with the ultraviolet light transducer pulse output end in the housing, to the electric signal amplification of Ultraviolet sensor output and be converted to voltage signal, and the realization impedance matching; Signal processing circuit places in the housing and links to each other with amplification circuit output end; Signal processing circuit adopts modular design, it comprises pulse receiving circuit, pulse shaping circuit, digital filter circuit, pulsed frequency decision circuitry, pulse width decision circuitry, range finding computing module and ultraviolet discharge mode identification circuit, and pulse signals is carried out shaping, filtering and digital processing and pattern-recognition.
Described power module, this module is positioned at housing, adopts the power supply of 5V or 12V lithium battery module.
The housing side is provided with display module, this display module links to each other with power module with signal processing circuit, as built-in terminal display device of the present utility model, display module mainly is made up of data-carrier store and terminal liquid crystal display, display module is given the user with The results of data processing by the front panel interface display, allows the user can obtain observed range and strength of discharge data intuitively.
As preferably, in housing, also be provided with storage card.Be used for record and preserve detect data, supports onlinely to call data and analysis with off-line.
As preferably, housing is provided with bus interface.Be used to support the USB output of testing result, another function of this interface is an external power interface, for the components and parts in the housing and circuit provide power supply.
As preferably, housing is provided with power light.The power light green light is bright when detector is worked.
As preferably, housing is provided with alarm lamp.The alarm lamp red light is bright when corona is reported to the police.
As preferably, housing is provided with display screen, and on the display screen next door one operation push-button panel is set.The user can be provided with and inquire about by panel.
Described housing is rectangular or long cylindrical outer casing.
Described housing is that plastics or metal material are made.
At the terminal operating of this device by the analysis software of forming by data acquisition module, data analysis module and data management module.This analysis software can be accomplished: the interface that corona testing mode and state are set is provided; Acquisition function to the Ultraviolet sensor output signal is provided; Preservation and read functions to original experimental data are provided; Unloading and read functions to the information off-line that extracts are provided; Presentation Function to original signal and analysis afterpulse counting, amplitude and identification types is provided; Database management function to mass data is provided; Provide report form statistics to generate and printing function.Analysis software can have off-line data analysis and two kinds of running statuses of on-line monitoring.When off-line data is analyzed, after historical data is called in the storage card, Operational Data Analysis and result's graphical demonstration automatically; During on-line monitoring, operations such as the initialization of advanced line correlation and hardware testing, real-time then image data, the analysis and the image conversion that carry out data simultaneously show that interface is supported online dynamic output.
Compared with prior art, advantage of the present utility model is:
1, the utility model adopts ultraviolet light transducer, detect the detected object distance by optical laying eyepiece and optically focused camera lens and laser range finder, according to pulse strength, observed range, temperature, humidity and coefficient correction quantize, qualitative, quantitative ground carries out on-line analysis to the high-tension line pick-up unit, to corona, pull out, spark, the low baking temperature flower waits the high precision that has realized based on ultraviolet photon to sort out digital quantization, the output recognition result, the data that corona is detected are reliable more comprehensively, help the assessment of corona discharge fault level and degree of discharge, have direct processing, simple in structure, it is definite to detect data, response identification is fast, advantages such as online output.
2, pick-up unit of the present utility model obtains pick-up unit running status and failure message by the solar blind UV that receives its corona discharge radiation, can detect by day, in observation process, do not need directly to contact with the operation pick-up unit, can accomplish on-line monitoring, also not need other check and analysis devices to cooperate.Therefore, have operating aspect, quickness and high efficiency, be not subjected to characteristics such as weather effect.
3, pick-up unit of the present utility model is because fast to the response speed of ultraviolet detection, in tested pick-up unit and monitoring instrument during as motion, still can finish the monitoring task, not only improved detection efficiency greatly, and reduced labour intensity, can realize being equipped on patrolling and examining of automobile or helicopter enterprising line road.
4, pick-up unit of the present utility model has been realized carrying out remote non-contact detection by the ultraviolet radiation that tested corona produces, testing process weak point consuming time, and the result is accurate, do not need the computing machine individual processing, can generate report database, total system is simple to operate, and is easy to carry.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the workflow synoptic diagram that utilization the utility model detects;
Fig. 3 is user's operating process synoptic diagram when using the utility model to detect.
Embodiment
The utility model is described in further detail with concrete enforcement below in conjunction with accompanying drawing;
With reference to figure 1, a kind of pick-up unit based on ultraviolet photon corona detection method, its structure comprises: its structure comprises: housing 1, eyepiece 2, laser ranging module 3, ultraviolet optics camera lens 4, ultraviolet light transducer 5, power-switching circuit 6, governor circuit 7, power module 8, display module 9, storage card 10, bus interface 11, power light 12, alarm lamp 13, operation push-button panel 14.Housing 1 is rectangular or long tubular, and it is made for plastics or metal.Aiming eyepiece 2 is installed in housing 1 top, is focusing automatically in certain observation scope; Laser ranging module 3 is placed in the housing 1, is in eyepiece 2 same axis normal belows; In housing 1, be provided with by generating laser and circuit board, laser pickoff and circuit board thereof, laser ranging data processing integrated circuit plate, this module links to each other with signal processing circuit, and each detection distance is analyzed.Ultraviolet optics camera lens 4, be installed in housing 1 front end, be placed on laser ranging module 3 same axis normal belows, corresponding transmission wave band is 180～280nm, have in this wavelength band and to be higher than the purple rate of 80% optical lens, the aperture of lens diameter is 40～200mm, Ultraviolet sensor 5 is placed on the focus place of lens 4, its response wave band is 180～280nm, its sensitive detection unit is placed on the optical lens focus, added the RC pulse driving circuit in the detector detection module and detected ultraviolet radiation, adopted periodically to reduce anode voltage, made it be lower than discharge and keep the self-sustaining that voltage method has prevented discharge current.Power-switching circuit 6 carries out input voltage the high pressure that ultraviolet light transducer 5 conditions of work need that converts to of DC/DC.Governor circuit 7 comprises amplifying circuit and signal processing circuit, and amplifying circuit places in the housing 1 and is connected with ultraviolet light transducer 5 pulse output ends, to the electric signal amplification of Ultraviolet sensor 5 outputs and be converted to voltage signal, and the realization impedance matching; Signal processing circuit wherein, place in the housing 1 and link to each other with amplification circuit output end, it adopts modular design, comprise pulse receiving circuit, pulse shaping circuit, digital filter circuit, pulsed frequency decision circuitry, pulse width decision circuitry, range finding computing module and ultraviolet discharge mode identification circuit, pulse signals is carried out shaping, filtering and digital processing and pattern-recognition.Power module 8 is positioned at housing 1, adopts the power supply of 5V or 12V lithium battery module; Display module 9, being positioned at housing 1 side links to each other with power module 8 with signal processing circuit, pick-up unit of the present utility model, also comprise data-carrier store and terminal liquid crystal display, display module is given the user with The results of data processing by the front panel interface display, allows the user can obtain observed range and strength of discharge data intuitively.Storage card 10 places in the housing 1, is used for record and preserve detects data, supports onlinely to call data and analysis with off-line.Bus interface 11 places housing 1 rear end, supports the USB output of testing result, and another function of this interface is an external power interface, for the components and parts in the housing and circuit provide power supply.Power light 12 is arranged on the housing 1, and power light 12 green lights are bright when detector is worked.Alarm lamp 13 is arranged on the housing 1, and alarm lamp 13 red lights are bright when corona is reported to the police.Operation push-button panel 14, this panel are positioned at housing display screen next door, are provided with and inquire about by panel.
The analysis software that runs on the pick-up unit terminal is formed data acquisition module, data analysis module and data management module by three big modules.The interface that corona testing mode and state are set is provided for testing; Acquisition function to the Ultraviolet sensor output signal is provided; Preservation and read functions to original experimental data are provided; Unloading and read functions to the information off-line that extracts are provided; Presentation Function to original signal and analysis afterpulse counting, amplitude and identification types is provided; Database management function to mass data is provided; Provide report form statistics to generate and printing function.Analysis software can have off-line data analysis and two kinds of running statuses of on-line monitoring.When off-line data is analyzed, after historical data is called in the storage card, Operational Data Analysis and result's graphical demonstration automatically; During on-line monitoring, operations such as the initialization of advanced line correlation and hardware testing, real-time then image data, the analysis and the image conversion that carry out data simultaneously show that interface is supported online dynamic output.
With reference to figure 2, use pick-up unit of the present utility model, employing detects based on ultraviolet photon corona detection method, its step comprises: (1) ultraviolet light transducer detects corona signal: by the eyepiece of aiming pick-up unit, aim at tested corona discharge position, obtain the ultraviolet signal of discharge generation, the electric signal of Ultraviolet sensor output is amplified and be converted to pulse voltage signal by the amplifying circuit in the governor circuit in the pick-up unit, and realize impedance matching.(2) pulse signal is handled: signal processing circuit received pulse signal in the governor circuit, after pulse signals is carried out shaping, Filtering Processing, be connected with the pulsed frequency decision circuitry again, and carry out discriminatory analysis by paired pulses frequency and pulsewidth.(3) detect data scaling: detect the detected object distance by laser range finder, quantizing to ultraviolet decay according to pulse strength, observed range, temperature, humidity and coefficient correction demarcates, qualitative, quantitative ground carries out on-line analysis to the high-tension line pick-up unit, to corona, pull out electricity, spark, low baking temperature flower etc. and sort out and quantize, quantitatively determine corona position and corona discharge severe degree, provide the corona discharge indicator-specific statistics that high accuracy number quantizes, output identification conclusion.(4) detect data storage and analysis: on display screen, show recognition result and detect distance, to detect data is saved in the storage card, the output of supporting bus interface Real-time and Dynamic can be carried out off-line and online detection data analysis and report generation on pick-up unit.Wherein, in quantize the process that decay is demarcated to ultraviolet according to pulse strength, observed range, temperature, humidity and coefficient correction, it is that the ultraviolet photon that is produced when unit interval internal object corona is taken place is measured that photon quantizes, by the pulse strength that produces is the intensity that parameter characterizes corona discharge, pulse number is directly proportional with the photon numbers of incident, measure photoelectron umber of pulse in the unit interval with method of counting, just be equivalent to detect the UV radiation light intensity.These features have not having strict border, having some overlapping region of many obfuscations, adopted fuzzy reasoning and membership function to come the corona identifying is described, because ultraviolet atmospheric attenuation, pulse and target range are inversely proportional to, temperature and humidity is non-linear to the influence of decay, by sample is measured, set the adjustable ultraviolet of the present invention in specific utilization decay of correction factor and demarcated with this.
Use pick-up unit of the present utility model to carry out the workflow that corona detects to be: the start detection device begins initialization apparatus after receiving order; Time period, cache size, threshold threshold value of sampling rate, collection etc. are set, fill in test parameter information, comprise observation place, observation unit, tested object, weather characteristics, temperature humidity, observation people and observed range, press then EOP (end of program) of cancel key, enter next step; After end is set, reading system clock, the store path of the record data that selection generates; By eyepiece aiming detected object, beginning automatic range and focusing; Detect pick-up unit and begin to detect identification, data after the collection are after pulse signal Processing, threshold filtering and peak value keep, in conjunction with detecting distance, classified statistic method according to detected ultraviolet light transducer pulsed frequency and amplitude comes the ultraviolet photon high-precision digital, realize the quantification and the juggling of corona intensity and type, enter data analysis and demarcate; With recognition result with detect data message such as distance grade and show and store; Finish data conversion storage, data analysis is printed, and generates form; The pick-up unit shutdown.Wherein, wherein classified statistic method comprises: the maximum amplitude of discharge in (1) statistics fixed time section; (2) the interior discharge time that surpasses certain threshold value of statistics setting-up time section; (3) calculate and show discharge amplitude in this time period and detect corresponding relation between distance.The pulse amplitude of described pulse voltage signal and discharge time statistics adopt software peak value maintenance method, time period that the need that this method is formulated according to the user are analyzed and the sampled data of this time period, utilize comparing back and forth successively of counting and peak value, the corresponding detection apart from the ultraviolet attenuation law, calculate discharge amplitude and strength of discharge in this time period at last, fault degree and electric discharge type are discerned.
With reference to figure 3, the job step flow process of using pick-up unit of the present utility model to carry out the corona detection has three kinds of running statuses, and off-line data analysis, fixed point detect and line walking detects.When off-line data was analyzed, after historical data called in, the image conversion that carries out data analysis and result automatically showed, finishes data conversion storage, and data analysis is printed, and generates form, the pick-up unit shutdown.When fixed point detected, the start detection device began software initialization, loaded with hardware after receiving order; Time period, cache size, threshold threshold value of sampling rate, collection etc. are set, fill in test parameter information, comprise observation place, observation unit, tested object, weather characteristics, temperature humidity, observation people and observed range, press then EOP (end of program) of cancel key, enter next step; After end is set, reading system clock, the store path of the record data that selection generates; By eyepiece aiming detected object, beginning automatic range and focusing; Detect pick-up unit and begin to detect identification, the data after the collection in conjunction with detecting distance, are carried out data analysis and are demarcated after pulse signal Processing, threshold filtering and peak value keep; With recognition result with detect data message such as distance grade and show and store; Finish data conversion storage, data analysis is printed, and generates form; The pick-up unit shutdown.When line walking detected, the start detection device began software initialization, loaded with hardware after receiving order; Time period, cache size, threshold threshold value of sampling rate, collection etc. are set, fill in test parameter information, comprise observation place, observation unit, tested object, weather characteristics, temperature humidity, observation people and observed range, press then EOP (end of program) of cancel key, enter next step; After end is set, reading system clock, the store path of the record data that selection generates; By eyepiece aiming detected object, beginning automatic range and focusing; Detect pick-up unit and begin to detect identification, the data after the collection are after pulse signal Processing, threshold filtering and peak value keep, and in conjunction with detecting distance, the selected data analysis is demarcated; With recognition result with detect data message such as distance grade and show and store; Finish data conversion storage, data analysis is printed, and generates form; Carry out new detected object aiming once more, the detection and the data processing of a beginning new round, the detection task of setting is finished in data storage and report generation, the pick-up unit shutdown.
Referring to Fig. 1 to Fig. 3, on operation push-button panel 14, set detected parameters, by adopting eyepiece 2 aim detecting objects, corona discharge gives off ultraviolet light, after the system through ultraviolet optics camera lens 4, focuses on the ultraviolet light transducer 5.Power-switching circuit 6 produces a pulse direct current high pressure and is added in and makes its triggering work on the ultraviolet light transducer 5, and ultraviolet light transducer 5 is converted into electric signal with light signal.Ultraviolet light transducer 5 pulse outputs are connected with signal processing circuit with amplifying circuit in the governor circuit 7, after pulse receiving circuit, pulse shaping circuit, digital filter circuit pulse signals are carried out shaping, Filtering Processing, be connected with the pulsed frequency decision circuitry again, carry out discriminatory analysis by paired pulses frequency and pulsewidth.The amplitude of pulse and ultraviolet light intensity are directly proportional, the luminous mode of pulse waveform and UV radiation is relevant, the electric impulse signal of ultraviolet light pulse signal and corona discharge has direct corresponding relation, be that light pulse amplitude, number and electric pulse amplitude, number have direct linear relationship, therefore distribution of the arteries and veins of light pulse and pulse amplitude distribute and can reflect the development trend of discharge, can be used as the index of detection, by processing and analysis, just can detect the harm of the strong and weak and judgement of faint corona discharge to insulation to these indexs.Detect the detected object distance by laser ranging module 3, quantize according to pulse strength, observed range, temperature, humidity and coefficient correction, qualitative, quantitative ground carries out on-line analysis to the high-tension line pick-up unit, to corona, pull out electricity, spark, low baking temperature flower etc. and sort out and quantize, the indication of reporting to the police of output identification signal output signal pilot lamp 13 taking alarm, output signal demonstrates recognition result and detects distance on display module 9 simultaneously, detect data and be kept in the storage card 10, also supporting bus interface 11 Real-time and Dynamic output.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and substitute and improvement etc., all should be included within the protection domain of the present utility model.
Claims (27)
1. pick-up unit based on ultraviolet photon corona detection method, comprising: housing, eyepiece is characterized in that: also be provided with laser ranging module, ultraviolet optics camera lens, ultraviolet light transducer, governor circuit, power module, display module in housing.
2. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described eyepiece is installed in the housing top.
3. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described laser ranging module, be placed in the housing, and be in the same axis normal of eyepiece below.
4. a kind of pick-up unit according to claim 1 based on ultraviolet photon corona detection method, it is characterized in that: be provided with the module of being made up of generating laser and circuit board, laser pickoff and circuit board thereof, laser ranging data processing integrated circuit plate in housing, this module links to each other with signal processing circuit.
5. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1, it is characterized in that: pick-up unit comprises the ultraviolet condenser lens, is installed in the housing front end, is placed on the same axis normal of laser ranging module below.
6. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 5 is characterized in that: the corresponding transmission wave band of described ultraviolet condenser lens is 180～280nm.
7. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 6 is characterized in that: the ultraviolet condenser lens has in the transmitted wave segment limit of 180～280nm and is higher than the purple rate of 80% optical lens.
8. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described ultraviolet condenser lens bore diameter is 40～200mm.
9. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described ultraviolet light transducer is placed in the housing, and is placed on the focus place of lens.
10. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described ultraviolet light transducer response wave band is 180～280nm.
11. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: the sensitive detection unit in the described ultraviolet light transducer is placed on the optical lens focus.
12. a kind of pick-up unit according to claim 1 based on ultraviolet photon corona detection method, it is characterized in that: added the RC pulse driving circuit in the detector detection module in the described ultraviolet light transducer and detected ultraviolet radiation, adopt periodically to reduce anode voltage, make it be lower than discharge and keep the self-sustaining that voltage method has prevented discharge current.
13. a kind of pick-up unit according to claim 1 based on ultraviolet photon corona detection method, it is characterized in that: on shell, also be provided with power-switching circuit, described power-switching circuit carries out input voltage the high pressure that the ultraviolet light transducer condition of work needs that converts to of DC/DC.
14. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described governor circuit comprises amplifying circuit and signal processing circuit.
15. a kind of pick-up unit according to claim 14 based on ultraviolet photon corona detection method, it is characterized in that: described amplifying circuit places in the housing and is connected with the ultraviolet light transducer pulse output end, the electric signal of Ultraviolet sensor output is amplified and is converted to voltage signal, and realize impedance matching.
16. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 14 is characterized in that: described signal processing circuit places in the housing and links to each other with amplification circuit output end.
17. a kind of pick-up unit according to claim 16 based on ultraviolet photon corona detection method, it is characterized in that: described signal processing circuit adopts modular design, and it comprises pulse receiving circuit, pulse shaping circuit, digital filter circuit, pulsed frequency decision circuitry, pulse width decision circuitry, range finding computing module and ultraviolet discharge mode identification circuit.
18. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: also comprise power module, this module is positioned at housing, adopts the power supply of 5V or 12V lithium battery module.
19. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1, it is characterized in that: the housing side is provided with display module, and this display module links to each other with power module with signal processing circuit.
20. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 19 is characterized in that: described display module mainly is made up of data-carrier store and terminal liquid crystal display.
21. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: also be provided with storage card in housing.
22. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1, it is characterized in that: housing is provided with bus interface.
23. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1, it is characterized in that: housing is provided with power light.
24. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1, it is characterized in that: housing is provided with alarm lamp.
25. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1, it is characterized in that: housing is provided with display screen, and on the display screen next door one operation push-button panel is set.
26. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described housing is rectangular or long cylindrical outer casing.
27. a kind of pick-up unit based on ultraviolet photon corona detection method according to claim 1 is characterized in that: described housing is that plastics or metal material are made.
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| CN2011201138928U CN202049219U (en) | 2011-04-18 | 2011-04-18 | Detecting device based on ultraviolet photon corona detection method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928752A (en) * | 2012-11-10 | 2013-02-13 | 四川电力科学研究院 | System and method for monitoring and analyzing insulation states of high-voltage device |
| CN103135044A (en) * | 2013-02-05 | 2013-06-05 | 吴礼刚 | Single-laser positioning corona ultraviolet detecting instrument |
| CN103149509A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Corona ultraviolet detecting device capable of locating and measuring distance |
| CN103149510A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Laser array positioning type corona discharge detector |
| CN103149511A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Light splitter type corona ultraviolet detector |
| CN104111413A (en) * | 2014-07-18 | 2014-10-22 | 深圳供电局有限公司 | Device and method used for assessing corona discharge of electric transmission and transformation equipment |
| CN107015128A (en) * | 2017-05-08 | 2017-08-04 | 上海电力学院 | The device for detecting corona discharge of number of photons is compensated based on supersonic sounding |
| CN112585484A (en) * | 2018-08-22 | 2021-03-30 | 西门子能源环球有限责任两合公司 | Method and assembly for detecting corona discharges in installations having operating devices |
-
2011
- 2011-04-18 CN CN2011201138928U patent/CN202049219U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928752A (en) * | 2012-11-10 | 2013-02-13 | 四川电力科学研究院 | System and method for monitoring and analyzing insulation states of high-voltage device |
| CN102928752B (en) * | 2012-11-10 | 2016-02-10 | 国网四川省电力公司电力科学研究院 | A kind of high voltage installation insulation state monitoring analytic system and method thereof |
| CN103149510A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Laser array positioning type corona discharge detector |
| CN103149509A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Corona ultraviolet detecting device capable of locating and measuring distance |
| CN103149511A (en) * | 2013-02-05 | 2013-06-12 | 吴礼刚 | Light splitter type corona ultraviolet detector |
| CN103135044B (en) * | 2013-02-05 | 2015-08-26 | 宁波光之瞳光电科技有限公司 | single laser positioning corona ultraviolet detector |
| CN103149510B (en) * | 2013-02-05 | 2015-09-30 | 宁波光之瞳光电科技有限公司 | Laser array location type corona discharge detection instrument |
| CN104991175A (en) * | 2013-02-05 | 2015-10-21 | 宁波光之瞳光电科技有限公司 | Single-laser positioning corona UV detector |
| CN103135044A (en) * | 2013-02-05 | 2013-06-05 | 吴礼刚 | Single-laser positioning corona ultraviolet detecting instrument |
| CN103149509B (en) * | 2013-02-05 | 2016-07-06 | 宁波光之瞳光电科技有限公司 | Can positioning distance measuring corona ultraviolet detector |
| CN104111413A (en) * | 2014-07-18 | 2014-10-22 | 深圳供电局有限公司 | Device and method used for assessing corona discharge of electric transmission and transformation equipment |
| CN107015128A (en) * | 2017-05-08 | 2017-08-04 | 上海电力学院 | The device for detecting corona discharge of number of photons is compensated based on supersonic sounding |
| CN112585484A (en) * | 2018-08-22 | 2021-03-30 | 西门子能源环球有限责任两合公司 | Method and assembly for detecting corona discharges in installations having operating devices |
| CN112585484B (en) * | 2018-08-22 | 2023-10-17 | 西门子能源环球有限责任两合公司 | Method and assembly for detecting corona discharge of installation with operating device |
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