CN109342891A - A kind of fault detection method and device based on infrared and ultraviolet visual image fusion - Google Patents
A kind of fault detection method and device based on infrared and ultraviolet visual image fusion Download PDFInfo
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- CN109342891A CN109342891A CN201810929291.0A CN201810929291A CN109342891A CN 109342891 A CN109342891 A CN 109342891A CN 201810929291 A CN201810929291 A CN 201810929291A CN 109342891 A CN109342891 A CN 109342891A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
Abstract
The invention discloses a kind of fault detection method and device based on infrared and ultraviolet visual image fusion, comprising: carry out infrared, ultraviolet, visible light shooting simultaneously for detected equipment, obtain infrared image, ultraviolet image and visible images；Infrared, the ultraviolet, visible images are merged and exported, to detect the failure of the equipment.The present invention carries out infrared, ultraviolet, visible light shooting simultaneously for detected equipment, and infrared, ultraviolet, visible images that shooting obtains are merged and exported, to detect the failure of the equipment.
Description
Technical field
The present invention relates to technical field of image detection, particularly relate to a kind of event based on infrared and ultraviolet visual image fusion
Hinder detection method and device.
Background technique
After high-tension apparatus puts into operation, due to rough surface unevenness, filth, fault of construction, conductor poor contact etc.,
Equipment field strength distribution can be caused uneven, cause the electric discharge phenomena such as corona, electric arc.When corona, arc discharge can with electricity, light,
Heat, sound wave, compound etc. generate.Currently, having using the technology that these characteristic signals carry out Partial Discharge Detection to electrical equipment
Observation, hyperfrequency method, supercritical ultrasonics technology, infrared imaging method, flash spotting, dielectric oil chromatographic analysis method, ultraviolet image method etc..Its
In, Infrared Thermography Technology starts to be applied to China's power industry in the eighties, currently, infrared thermal imaging technique is in China's electric power
Using increasingly extensive in system, it has become the indispensable means for carrying out electrical device status inspection.Ultraviolet image method is a kind of new
The emerging technology that Electric Power Equipment Insulation state is identified by detection corona, arc discharge.
In practical application, set it was found by the inventors of the present invention that although infrared thermal imaging technique can detecte various pyrogenicity types
Standby temperature or open fire phenomenon, but influenced very greatly, to be easy to appear false alarm by solar radiation；Although ultraviolet imagery technology can be with
It detects the electric discharge phenomena such as corona, electric arc, but fault verification based on equipment cannot be made, there is also certain defects.Therefore,
It is necessary to provide one kind more comprehensively, is easier to determine the detection method and detection device of equipment fault.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention is to propose a kind of event based on infrared and ultraviolet visual image fusion
Hinder detection method and device, can more comprehensively detect the failure of power equipment, and the testing staff that is more convenient for identifies the event of equipment
Barrier.
Based on a kind of above-mentioned purpose failure inspection based on infrared and ultraviolet visual image fusion provided in an embodiment of the present invention
Survey method, comprising:
For detected equipment simultaneously carry out infrared, ultraviolet, visible light shooting, obtain infrared image, ultraviolet image with
And visible images；
Infrared, the ultraviolet, visible images are merged and exported, to detect the failure of the equipment.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, comprising:
The visible images are pre-processed: using the template image prestored in equipment template library, from described
Equipment image is identified and extracted in light image, using the equipment image of extraction as pretreated visible images.
Optionally, further includes:
The visible images and the template image are subjected to gray processing processing, and enhance picture contrast；
The key point for extracting the visible images and the template image respectively, obtain the features of feature key points to
Amount generates crucial description；
To the visible images and the template image using the Euclidean distance of key point feature vector as two width figures
The decision metric of key point similitude is matched as in；
Dividing the template image is bianry image and the edge for extracting the bianry image, according between affine transformation pair
The parallel invariance of straight line realizes the affine transformation to the template image, to the equipment drawing in the visible images
As carrying out location position.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, further includes:
It the infrared image is pre-processed: obtaining temperature differential information from the red infrared image, and using prestoring
The characteristic point of the failure of various infrared acquisitions identifies the image of the phenomenon of the failure of infrared acquisition according to the temperature differential information of acquisition,
The image for the phenomenon of the failure that will identify that is as pretreated infrared image.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, further includes:
The ultraviolet image is pre-processed: according to the warm and humid of the distance of the equipment of measurement and current environment
Degree carries out quantitative analysis to the ultraviolet hot spot in the ultraviolet image, determines whether to break down based on the analysis results；And it will sentence
It is set to the image of the ultraviolet hot spot of failure as pretreated ultraviolet image.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, further includes:
Distortion correction, pressure are carried out to the pretreated ultraviolet image, the infrared image and the visible images
Contracting decoding, image recognition.
It is optionally, described that infrared, the ultraviolet, visible images are carried out fusion includes: using based on BRISK feature
It is registrated fusion method, is overlapped the infrared image, the ultraviolet image and the visible images in space coordinate.
The present invention also provides a kind of fault detection means based on infrared and ultraviolet visual image fusion, comprising:
Infrared thermoviewer, for shooting and exporting infrared image；
Ultraviolet imager, for shooting and exporting ultraviolet image；
Visual light imaging instrument, for shooting and exporting visible images；
The image co-registration being connected with the infrared thermoviewer, the ultraviolet imager and the visual light imaging instrument
Device is used for:
For detected equipment simultaneously carry out infrared, ultraviolet, visible light shooting, obtain infrared image, ultraviolet image with
And visible images；
Infrared, the ultraviolet, visible images are merged and exported, to detect the failure of the equipment.
Optionally, the ultraviolet imager includes:
Ultraviolet photon signal for will receive is converted to the ultraviolet CCD of analog electrical signal；
The horizontal drive signals being connected with the ultraviolet CCD generate unit, for providing horizontal drive for the ultraviolet CCD
Dynamic voltage；
The vertical driving signal being connected with the ultraviolet CCD generates unit, for providing vertical drive for the ultraviolet CCD
Dynamic voltage；
The bias-voltage generating circuit that unit is connected is generated with the horizontal, vertical driving signal, for being the water
The voltage that flat, vertical driving signal generates unit output provides bias voltage.
Optionally, the ultraviolet imager further include: the analog video signal processing being connected with the ultraviolet CCD is single
Member, for carrying out related gain adjustment to the analog electrical signal of the ultraviolet CCD output.
From the above it can be seen that the failure provided in an embodiment of the present invention based on infrared and ultraviolet visual image fusion
Detection method and device, for detected equipment simultaneously carry out infrared, ultraviolet, visible light shooting, by shooting obtain it is infrared,
Ultraviolet, visible images are merged and are exported, to detect the failure of the equipment.In this way, can be with body in the image of fusion
Phenomena such as equipment image of existing visible light shooting, the halation or electric arc of ultraviolet light shooting, the temperature anomaly phenomenon of infrared light shooting
Deng, these comprehensive information can more fully reflect the current situation of equipment, the failure of power equipment can be more fully detected,
Be more convenient for testing staff carry out equipment fault detection.
Detailed description of the invention
Fig. 1 is the flow chart of fault detection method of the embodiment of the present invention based on infrared and ultraviolet visual image fusion；
Fig. 2 is fault detection means structure chart of the embodiment of the present invention based on infrared and ultraviolet visual image fusion；
Fig. 3 is the schematic diagram of internal structure of ultraviolet imager provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
A kind of fault detection method based on infrared and ultraviolet visual image fusion provided in an embodiment of the present invention, referring to figure
Shown in 1, comprising:
Step 101, infrared, ultraviolet, visible light shooting is carried out simultaneously for detected equipment, obtains infrared image, purple
Outer image and visible images；
Step 102, infrared, the ultraviolet, visible images are merged and is exported, to detect the event of the equipment
Barrier.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, comprising:
The visible images are pre-processed: using the template image prestored in equipment template library, from described
Equipment image is identified and extracted in light image, using the equipment image of extraction as pretreated visible images.
Optionally, further includes:
The visible images and the template image are subjected to gray processing processing, and enhance picture contrast；
The key point for extracting the visible images and the template image respectively, obtain the features of feature key points to
Amount generates crucial description；
To the visible images and the template image using the Euclidean distance of key point feature vector as two width figures
The decision metric of key point similitude is matched as in；
Dividing the template image is bianry image and the edge for extracting the bianry image, according between affine transformation pair
The parallel invariance of straight line realizes the affine transformation to the template image, to the equipment drawing in the visible images
As carrying out location position.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, further includes:
It the infrared image is pre-processed: obtaining temperature differential information from the red infrared image, and using prestoring
The characteristic point of the failure of various infrared acquisitions identifies the image of the phenomenon of the failure of infrared acquisition according to the temperature differential information of acquisition,
The image for the phenomenon of the failure that will identify that is as pretreated infrared image.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, further includes:
The ultraviolet image is pre-processed: according to the warm and humid of the distance of the equipment of measurement and current environment
Degree carries out quantitative analysis to the ultraviolet hot spot in the ultraviolet image, determines whether to break down based on the analysis results；And it will sentence
It is set to the image of the ultraviolet hot spot of failure as pretreated ultraviolet image.
Optionally, described that infrared, the ultraviolet, visible images are merged and exported, to detect the equipment
Failure before, further includes:
Distortion correction, pressure are carried out to the pretreated ultraviolet image, the infrared image and the visible images
Contracting decoding, image recognition.
It is optionally, described that infrared, the ultraviolet, visible images are carried out fusion includes: using based on BRISK feature
It is registrated fusion method, is overlapped the infrared image, the ultraviolet image and the visible images in space coordinate.
The embodiment of the present invention also provides a kind of fault detection means based on infrared and ultraviolet visual image fusion, referring to figure
Shown in 2, comprising:
Infrared thermoviewer 201, for shooting and exporting infrared image；
Ultraviolet imager 203, for shooting and exporting ultraviolet image；
Visual light imaging instrument 205, for shooting and exporting visible images；
It is connected with the infrared thermoviewer 201, the ultraviolet imager 203 and the visual light imaging instrument 205
Image co-registration device 204, is used for:
For detected equipment simultaneously carry out infrared, ultraviolet, visible light shooting, obtain infrared image, ultraviolet image with
And visible images；
Infrared, the ultraviolet, visible images are merged and exported, to detect the failure of the equipment.
Optionally, referring to shown in Fig. 3, the ultraviolet imager include: ultraviolet CCD (Charge Coupled Device,
Charge coupling device imaging sensor) 301, horizontal drive signals generate unit 302, vertical driving signal generate unit 303, partially
Set voltage generation circuit 304, analog video signal processing unit 305 and the ultraviolet optics mirror being set to before the ultraviolet CCD
Head.Further, ultraviolet imager 203 can also include video data processing element 306, and be set to before ultraviolet CCD301
Ultraviolet optics camera lens, the optical filter being set between ultraviolet optics camera lens and ultraviolet CCD301.
Wherein, ultraviolet CCD301 is used to being converted to the ultraviolet photon signal received into analog electrical signal output；
Horizontal drive signals generate unit 302 and are connected with ultraviolet CCD301, for providing water for the ultraviolet CCD301
Flat driving signal；
Vertical driving signal generates unit 303 and is connected with ultraviolet CCD301, vertical for providing for the ultraviolet CCD301
Straight driving signal；
Bias-voltage generating circuit 304 and horizontal drive signals generate unit 302 and vertical driving signal generates unit
303 are connected, and the voltage for generating unit and vertical driving signal generation unit output for the horizontal drive signals mentions
For bias voltage；
Analog video signal processing unit 305 is connected with ultraviolet CCD301, for the ultraviolet CCD301 output
After analog electrical signal carries out CDS (Correlated Double Sampling, correlated-double-sampling), gain adjustment, number is converted to
The output of word signal；
Video data processing element 306 is connected with analog video signal processing unit 305, is used for the analog video
The digital signal of signal processing unit output formats, in order to transmit or show.
Wherein, the horizontal drive signals generate unit 302 and specifically include: 311 water of subelement occurs for horizontal drive timing
Flat Voltag driving circuit 312.
Wherein, 311 output level clock signal of subelement occurs for horizontal drive timing.Horizontal voltage driving circuit 312 with
Horizontal drive timing occurs subelement 311 and is connected, and meets ultraviolet CCD301 driving electricity for being converted to horizontal clock signal
The horizontal drive signals of pressure request.
The vertical driving signal generates unit 303 and specifically includes: subelement 321, vertical electricity occur for perpendicular drive timing
Press driving circuit 322.
Perpendicular drive timing occurs subelement 321 and exports vertical clock signal.Vertical voltage driving circuit 322 drives with vertical
Dynamic timing occurs subelement 321 and is connected, and meets ultraviolet CCD301 driving voltage requirement for being converted to vertical clock signal
Vertical driving signal.
Horizontal drive signals and vertical driving signal drive ultraviolet CCD301 to carry out the conversion of ultraviolet light to electronics, generate mould
Quasi- vision signal.And then CDS, gain adjustment and AD are carried out to analog video signal by analog video signal processing unit 305 and become
It the analog signal processings such as changes and generates data image signal.
In fact, the ultraviolet imagery device of the prior art usually requires setting image intensifier, major function is will be faint
Ultraviolet light under scenery the enhancing of ultraviolet radioactive image is completed by photoelectric conversion, electron multiplication and electro-optic conversion,
The detection that one common CCD realizes ultraviolet light is set after image intensifier later.However, purple can be made by being provided with image intensifier
Outer imaging device is sufficiently bulky, not portable.
And the conversion of ultraviolet light to electronics is carried out using highly sensitive ultraviolet CCD in the present invention, without using image intensifying
Device realizes the miniaturization of ultraviolet imager, while also allowing for entire detection device miniaturization, has portability.
More preferably, to further realize miniaturization, when subelement 311, perpendicular drive occur for above-mentioned horizontal drive timing
Subelement 321 occurs for sequence and the analog video signal processing unit 305 is integrated in a chip, for example, fully integrated
In AFE (Analog Front End, AFE(analog front end)) chip.
More preferably, subelement 321 and video data processing element 306, which occur, for above-mentioned perpendicular drive timing to integrate
In a logical device chip, such as FPGA (Field Programmable Gate Array, field programmable gate array)
In chip.
Although being to illustrate technical solution by taking the detection of the power equipment of power industry as an example herein, it is clear that skill of the invention
Art scheme can also be used in the equipment detection of other industries.
Fault detection means based on infrared and ultraviolet visual image fusion described in the embodiment of the present invention can provide seven kinds
Display pattern allows user that any one mode is selected to work according to demand, comprising: three optical modes --- visible picture
Face and ultraviolet picture, infrared picture are superimposed；Visible mode --- only display visible picture；UV mode --- it only shows ultraviolet
Picture；Infrared mode --- only show infrared picture；It can be seen that UV mode --- only display visible picture and ultraviolet picture；It can be seen that
Infrared mode --- only display visible picture and infrared picture；Ultraviolet infrared mode --- only show ultraviolet picture and infrared picture
Face.In addition, the device further include:
Battery compartment: the device uses battery power supply mode, and battery is 15V rechargeable type lithium ion battery, can pass through device
Left side battery compartment carries out battery altering, can also be charged the battery by data connection mouth.
The ultraviolet gain of light: in the normal mode of operation, the yield value in ultraviolet channel can be adjusted according to different needs.
Focusing: focusing while device can be realized visible light and ultraviolet light two-way, infrared light are individually focused.Device is current
Two kinds of focusing modes are provided --- auto-focusing, manual focus.You can select suitable work according to different application scenarios
Mode.
Visible light zoom: Visible Light Camera can carry out the Digital Zoom of 01x-44x, meet user during use
The observation of different field ranges is needed.
The switching of visual field multiple: device provides the option of operation of 1x and two kinds of visual field enlargement ratios of 0.5x, and user can be according to need
It voluntarily to select.When changing visual field enlargement ratio, ultraviolet, the infrared visual field synchronous change with viewability channel.
Photon counting mode: device ultraviolet photon quantity that ultraviolet detector receives can be carried out in real time statistics with
And display, the corona intensity that this function can assist you to generate insulation of electrical installation damage judge.
Picture saves and video record: the vision signal that device can will acquire in real time is saved with graphic form, or
Person records the video and audio signal of acquisition simultaneously becomes a video file.The picture or video file of generation will be protected
There are in the SD card built in device, will be played back or exported in a device into external storage medium for future.
Remove ultraviolet noise: ultraviolet denoising function is filtered out in current field by exclusive algorithm and device itself generates
Image noise facilitates user to detect corona target under stronger noise jamming.Denoising function only for ultraviolet image at
Reason, therefore device work is only applicable to ultraviolet channel.Denoising function does not influence visible images.
Ultraviolet accumulation: ultraviolet accumulation mode is a kind of means of ultraviolet target enhancing.By by a certain number of ultraviolet figures
Accumulation as carrying out a period of time, can be enhanced in the corona signal that same position repeats, thus more for user's detection
Adding faint corona signal to provide may.The optimal use mode of accumulation function is that tripod subsidiary at random is cooperated to be seen
It surveys, to the full extent the shaking bring streaking phenomenon of avoiding device.Denoising function only for ultraviolet channel image into
Row processing, does not influence visible images.Due to accumulating not only for ultraviolet target signal, ultraviolet noise can also tire out therewith
Product, therefore accumulation function is used alone and may result in the appearance of the irregular bright spot of large area on screen.It will accumulation and denoising function
It is able to cooperate use, tends to realize optimal effect.
Fault detection method and device of the present invention based on infrared and ultraviolet visual image fusion, for detected
Equipment carries out infrared, ultraviolet, visible light shooting simultaneously, and shooting obtained infrared, ultraviolet, visible images are carried out fusion and defeated
Out, to detect the failure of the equipment.In this way, the equipment image of visible light shooting can be embodied in the image of fusion, it is ultraviolet
Phenomena such as halation or electric arc that photo-beat is taken the photograph, the temperature anomaly phenomenon etc. of infrared light shooting, these comprehensive information can be more fully
Reflect the current situation of equipment, can more fully detect the failure of power equipment, the testing staff that is more convenient for carries out equipment fault
Detection.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
In addition, to simplify explanation and discussing, and in order not to obscure the invention, it can in provided attached drawing
It is connect with showing or can not show with the well known power ground of integrated circuit (IC) chip and other components.Furthermore, it is possible to
Device is shown in block diagram form, to avoid obscuring the invention, and this has also contemplated following facts, i.e., about this
The details of the embodiment of a little block diagram arrangements be height depend on will implementing platform of the invention (that is, these details should
It is completely within the scope of the understanding of those skilled in the art).Elaborating that detail (for example, circuit) is of the invention to describe
In the case where exemplary embodiment, it will be apparent to those skilled in the art that can be in these no details
In the case where or implement the present invention in the case that these details change.Therefore, these descriptions should be considered as explanation
Property rather than it is restrictive.
Although having been incorporated with specific embodiments of the present invention, invention has been described, according to retouching for front
It states, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills.Example
Such as, discussed embodiment can be used in other memory architectures (for example, dynamic ram (DRAM)).
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fault detection method based on infrared and ultraviolet visual image fusion characterized by comprising
Infrared, ultraviolet, visible light shooting is carried out simultaneously for detected equipment, obtains infrared image, ultraviolet image and can
Light-exposed image；
Infrared, the ultraviolet, visible images are merged and exported, to detect the failure of the equipment.
2. the method according to claim 1, wherein described melt infrared, the ultraviolet, visible images
Merge and export, before the failure to detect the equipment, comprising:
The visible images are pre-processed: using the template image prestored in equipment template library, from the visible light figure
Equipment image is identified and extracts as in, using the equipment image of extraction as pretreated visible images.
3. according to the method described in claim 2, it is characterized by further comprising:
The visible images and the template image are subjected to gray processing processing, and enhance picture contrast；
The key point for extracting the visible images and the template image respectively obtains the feature vector of feature key points, raw
At key description；
To the visible images and the template image using the Euclidean distance of key point feature vector as in two images
The decision metric of key point similitude is matched；
Dividing the template image is bianry image and the edge for extracting the bianry image, according to the straight line between affine transformation pair
Parallel invariance, realize to the affine transformation of the template image, in the visible images to the equipment image into
Row location position.
4. according to the method described in claim 2, it is characterized in that, described melt infrared, the ultraviolet, visible images
Merge and export, before the failure to detect the equipment, further includes:
The infrared image is pre-processed: obtaining temperature differential information from the red infrared image, and various using prestoring
The characteristic point of the failure of infrared acquisition identifies the image of the phenomenon of the failure of infrared acquisition according to the temperature differential information of acquisition, will know
Not Chu phenomenon of the failure image as pretreated infrared image.
5. according to the method described in claim 3, it is characterized in that, described melt infrared, the ultraviolet, visible images
Merge and export, before the failure to detect the equipment, further includes:
The ultraviolet image is pre-processed: right according to the distance of the equipment of measurement and the temperature and humidity of current environment
Ultraviolet hot spot in the ultraviolet image carries out quantitative analysis, determines whether to break down based on the analysis results；And it will be determined as
The image of the ultraviolet hot spot of failure is as pretreated ultraviolet image.
6. according to the method described in claim 5, it is characterized in that, described melt infrared, the ultraviolet, visible images
Merge and export, before the failure to detect the equipment, further includes:
Distortion correction, compression solution are carried out to the pretreated ultraviolet image, the infrared image and the visible images
Code, image recognition.
7. according to the method described in claim 6, it is characterized in that, described melt infrared, the ultraviolet, visible images
Conjunction include: using the registration fusion method based on BRISK feature, make the infrared image, the ultraviolet image and it is described can
Light-exposed image is overlapped in space coordinate.
8. a kind of failure based on infrared and ultraviolet visual image fusion based on such as claim 1-8 any one the method
Detection device characterized by comprising
Infrared thermoviewer, for shooting and exporting infrared image；
Ultraviolet imager, for shooting and exporting ultraviolet image；
Visual light imaging instrument, for shooting and exporting visible images；
The image co-registration device being connected with the infrared thermoviewer, the ultraviolet imager and the visual light imaging instrument is used
In:
Infrared, ultraviolet, visible light shooting is carried out simultaneously for detected equipment, obtains infrared image, ultraviolet image and can
Light-exposed image；
Infrared, the ultraviolet, visible images are merged and exported, to detect the failure of the equipment.
9. device according to claim 8, which is characterized in that the ultraviolet imager includes:
Ultraviolet photon signal for will receive is converted to the ultraviolet CCD of analog electrical signal；
The horizontal drive signals being connected with the ultraviolet CCD generate unit, for providing horizontal drive electricity for the ultraviolet CCD
Pressure；
The vertical driving signal being connected with the ultraviolet CCD generates unit, for providing perpendicular drive electricity for the ultraviolet CCD
Pressure；
The bias-voltage generating circuit that unit is connected is generated with the horizontal, vertical driving signal, for being described horizontal, vertical
The voltage of straight drive signal generation unit output provides bias voltage.
10. device according to claim 9, which is characterized in that the ultraviolet imager further include: with the ultraviolet CCD
The analog video signal processing unit being connected, for carrying out related gain tune to the analog electrical signal of the ultraviolet CCD output
It is whole.
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| CN111413597A (en) * | 2020-03-31 | 2020-07-14 | 北方夜视技术股份有限公司 | Ultraviolet, infrared and visible light integrated high-voltage power transformation equipment detection method |
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| CN116402723A (en) * | 2023-06-06 | 2023-07-07 | 国网山东省电力公司电力科学研究院 | Ultraviolet imaging detection system of integrated robot platform |
| CN116402723B (en) * | 2023-06-06 | 2023-08-22 | 国网山东省电力公司电力科学研究院 | Ultraviolet imaging detection system of integrated robot platform |
| CN117129809A (en) * | 2023-08-30 | 2023-11-28 | 上海紫红光电技术有限公司 | Power fault diagnosis method based on unmanned aerial vehicle-mounted multi-light imaging technology |
| CN117129809B (en) * | 2023-08-30 | 2024-04-19 | 上海紫红光电技术有限公司 | Power fault diagnosis method based on unmanned aerial vehicle-mounted multi-light imaging technology |
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