CN206818831U - The detection means of infrared and ultraviolet integration - Google Patents
The detection means of infrared and ultraviolet integration Download PDFInfo
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- CN206818831U CN206818831U CN201720217995.6U CN201720217995U CN206818831U CN 206818831 U CN206818831 U CN 206818831U CN 201720217995 U CN201720217995 U CN 201720217995U CN 206818831 U CN206818831 U CN 206818831U
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Abstract
The utility model discloses a kind of detection means of infrared and ultraviolet integration, described device includes：Shoot and export the infrared thermoviewer of infrared image；Shooting and export can be by the visual light imaging instrument of light image；Shoot and export the ultraviolet imager of ultraviolet image；The image co-registration device being connected with each imager, to merge it is infrared, ultraviolet, can be by light image.The failure of power equipment can be more comprehensively detected using the utility model, and the testing staff that is more convenient for identifies the failure of equipment.
Description
Technical field
Field of image detection is the utility model is related to, particularly relates to a kind of detection means of infrared and ultraviolet integration.
Background technology
After high-tension apparatus puts into operation, due to reasons such as rough surface inequality, filth, fault of construction, conductor loose contacts,
Equipment field strength distribution can be caused uneven, cause the electric discharge phenomena such as corona, electric arc.When corona, arc discharge can be accompanied by electricity, light,
Heat, sound wave, compound etc. produce.At present, the technology for carrying out Partial Discharge Detection to electrical equipment using these characteristic signals has
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, and at present, infrared thermal imaging technique is in China's electric power
Using increasingly extensive in system, it is into the indispensable means for carrying out electrical device status inspection.Ultraviolet image method is a kind of new
It is emerging by detecting corona, arc discharge identifies the technology of Electric Power Equipment Insulation state.
In practical application, inventor of the present utility model has found, although infrared thermal imaging technique can detect various pyrogenicity
The temperature of type equipment, or naked light phenomenon, but influenceed by solar radiation very big, easily there is false alarm；Although ultraviolet imagery technology
The electric discharge phenomena such as corona, electric arc can be detected, but the fault verification based on equipment can not be made, there is also certain defect.
Therefore, it is necessary to provide it is a kind of more comprehensively, be easier to judge equipment fault detection means and detection method.
Utility model content
In view of this, the purpose of this utility model is to propose a kind of detection means of infrared and ultraviolet integration, Ke Yigeng
The failure of complete detection power equipment, and the testing staff that is more convenient for identifies the failure of equipment.
A kind of detection means of infrared and ultraviolet integration is provided based on above-mentioned purpose the utility model, including：
Shoot and export the infrared thermoviewer of infrared image；
Shooting and export can be by the visual light imaging instrument of light image；
Shoot and export the ultraviolet imager of ultraviolet image；
The image co-registration device being connected with each imager, to merge it is infrared, ultraviolet, can be by light image.
Wherein, the ultraviolet imager includes：
The ultraviolet photon received signal to be converted to the ultraviolet CCD of analog electrical signal；
The horizontal drive signals generation unit being connected with the ultraviolet CCD, to provide horizontal drive for the ultraviolet CCD
Dynamic voltage；
The vertical driving signal generation unit being connected with the ultraviolet CCD, to provide vertical drive for the ultraviolet CCD
Dynamic voltage；
The bias-voltage generating circuit being connected with horizontal, the vertical driving signal generation unit, to for the water
Flat, the output of vertical driving signal generation unit voltage provides bias voltage.
Further, the ultraviolet imager also includes：
The analog video signal processing unit being connected with the ultraviolet CCD, to the simulation to the ultraviolet CCD outputs
Electric signal carries out CDS, Gain tuning, and is converted to data signal output；
The video data processing element being connected with the analog video signal processing unit, to by the analog video
The data signal of signal processing unit output enters row format conversion.
Wherein, described image fusion device is built by logic circuit, and the logic circuit includes FPGA, PLC or logic
Gate circuit.
Further, described device also includes：
The Infrared images pre-processing unit being connected between the infrared thermoviewer and image co-registration device, to described red
The image of outer imager output is pre-processed.
Further, described device also includes：
The ultraviolet image pretreatment unit being connected between the ultraviolet imager and image co-registration device, to the purple
The image of outer imager output is pre-processed.
Further, described device also includes：
The visible images pretreatment unit being connected between the visual light imaging instrument and image co-registration device, to institute
The image for stating the output of visual light imaging instrument is pre-processed.
In the technical scheme of the utility model embodiment, infrared, ultraviolet, visible ray is carried out simultaneously for detected equipment
Shooting, infrared, ultraviolet, visible images that shooting obtains are merged and exported, to detect the failure of the equipment.This
Sample, can embody the equipment drawing picture of visible light shooting in the image of fusion, infrared phenomena such as the halation or electric arc of ultraviolet light shooting
Temperature anomaly phenomenon that photo-beat is taken the photograph etc., these comprehensive information can more fully reflect the current situation of equipment, can be more comprehensively
Ground detects the failure of power equipment, and the testing staff that is more convenient for carries out the detection of equipment fault.
Brief description of the drawings
Fig. 1 is the detection means internal structure schematic diagram for the infrared and ultraviolet integration that the utility model embodiment provides；
Fig. 2 is the signal of the detection means internal structure with image pre-processing unit that the utility model embodiment provides
Figure；
Fig. 3 is the internal structure schematic diagram for the ultraviolet imager that the utility model embodiment provides.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, the utility model is further described.
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that when we claim element to be " connected " or " coupling
Connect " when arriving another element, it can be directly connected or coupled to other elements, or there may also be intermediary element.In addition, this
In " connection " or " coupling " that uses wireless connection or wireless coupling can be included.Wording "and/or" used herein includes one
The whole or any cell of individual or more individual associated list items and all combinations.
It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment
Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience,
The restriction to the utility model embodiment is should not be construed as, subsequent embodiment no longer illustrates one by one to this.
In the technical solution of the utility model, infrared, ultraviolet, visible light shooting is carried out simultaneously for detected equipment,
Infrared, ultraviolet, visible images that shooting obtains are merged and exported, to detect the failure of the equipment.So, melt
It can embody the equipment drawing picture of visible light shooting in the image of conjunction, phenomena such as the halation or electric arc of ultraviolet light shooting, infrared photo-beat
Temperature anomaly phenomenon taken the photograph etc., these comprehensive information can more fully reflect the current situation of equipment, can more fully examine
The failure of power equipment is surveyed, the testing staff that is more convenient for carries out the detection of equipment fault.
Describe the technical scheme of the utility model embodiment in detail below in conjunction with the accompanying drawings.
The detection means for the infrared and ultraviolet integration that the utility model embodiment provides, internal structure is as shown in figure 1, bag
Include：Infrared thermoviewer 201, visual light imaging instrument 202, ultraviolet imager 203, image co-registration device 204.
Wherein, infrared thermoviewer 201 is used to carry out infrared shooting for detected equipment, and by the infrared image of shooting
Output.
Visual light imaging instrument 202 is used for for equipment shooting visible images, and exports the visible images of shooting.
Ultraviolet imager 203 is used for the ultraviolet image for equipment shooting, and exports the ultraviolet image of shooting.
Image co-registration device 204, it is connected with infrared thermoviewer 201, visual light imaging instrument 202 and ultraviolet imager 203,
Image for each imager to be exported is merged and exported, to detect the failure of the equipment.That is, image melts
Ultraviolet image, the visual light imaging instrument that infrared image that clutch 204 exports infrared thermoviewer 201, ultraviolet imager 203 export
The visible images of 202 outputs are merged, and the fused images for including infrared, ultraviolet, visible optical information are obtained, in order to examine
Survey personnel can obtain more fully facility information from image, and the testing staff that is more convenient for carries out the detection of equipment fault.
Image co-registration device 204 can be built by logic circuit；Wherein, logic circuit can include：FPGA(Field
Programmable Gate Array, field programmable gate array), PLC (Programmable Logic Controller,
Programmable logic controller (PLC)) or logic gates etc..
More preferably, as shown in Fig. 2 the inspection based on infrared and ultraviolet visual image fusion that the utility model embodiment provides
Surveying in device to include：The visible images pretreatment being connected between visual light imaging instrument 202 and image co-registration device 204
Unit 205.
Visible images pretreatment unit 205 is used to locate the visible images that visual light imaging instrument 202 exports in advance
Reason：Visible images pretreatment unit 205 is using the equipment drawing picture to be prestored in equipment ATL or the characteristic point of equipment, from described
Identified in the visible images of visual light imaging instrument output and extract equipment drawing picture, using the equipment drawing picture of extraction as pretreatment
Visible images afterwards are output to image co-registration device 204.
So, image co-registration device 204 can use during fused images passes through pretreated visible images.
For example, after image co-registration device 204 is merged pretreated visible images with infrared, ultraviolet image, resulting melts
Close image can more clearly visible presentation device image, and filter out the other things in equipment periphery, avoid the later stage from being schemed according to fusion
As being interfered when doing breakdown judge.
More preferably, as shown in Fig. 2 the inspection based on infrared and ultraviolet visual image fusion that the utility model embodiment provides
Surveying in device to include：The Infrared images pre-processing unit being connected between infrared thermoviewer 201 and image co-registration device 204
206。
Infrared images pre-processing unit 206 is used to pre-process the infrared image that infrared thermoviewer 201 exports：It is infrared
Temperature differential information is obtained in the infrared image that image pre-processing unit 206 exports from the infrared thermoviewer, and it is each using prestoring
The characteristic point of the failure of kind infrared acquisition, the image of the phenomenon of the failure of infrared acquisition is identified according to the temperature differential information of acquisition, will
The image of the phenomenon of the failure identified is output to image co-registration device 204 as pretreated infrared image.
So, image co-registration device 204 can use during fused images passes through pretreated infrared image.Example
Such as, after image co-registration device 204 is merged pretreated visible ray, infrared image with ultraviolet image, resulting fusion
Image can more clearly visible presentation device image, the phenomenon of the failure of infrared acquisition, and filter out the other things in equipment periphery, with
And useless infrared information, interfered when avoiding the later stage from doing breakdown judge according to fused images.
More preferably, as shown in Fig. 2 the inspection based on infrared and ultraviolet visual image fusion that the utility model embodiment provides
Surveying in device to include：Laser range finder 208, temperature and humidity tester 209, and it is connected to ultraviolet imager 203 and figure
As the ultraviolet image pretreatment unit 207 between fusion device 204.
Ultraviolet image pretreatment unit 207 is used to pre-process the ultraviolet image that ultraviolet imager 203 exports：It is ultraviolet
Distance, the temperature and humidity tester 209 for the equipment that image pre-processing unit 207 measures according to laser range finder 208 detect
The humiture of current environment, quantitative analysis is carried out to the ultraviolet hot spot in the ultraviolet image, determined whether according to analysis result
Break down；And it is output to image co-registration device using the image for the ultraviolet hot spot for being determined as failure as pretreated ultraviolet image
204。
So, image co-registration device 204 can use during fused images passes through pretreated ultraviolet image.Example
Such as, after image co-registration device 204 is merged pretreated visible ray, infrared, ultraviolet image, resulting fused images can
With the phenomenon of the failure of more clearly visible presentation device image, infrared acquisition, and it is determined as the ultraviolet hot spot of failure, and filters out
The other things in equipment periphery, and useless infrared, UV information, are caused when avoiding the later stage from doing breakdown judge according to fused images
Interference.
Above-mentioned visible images pretreatment unit 205, Infrared images pre-processing unit 206, or ultraviolet image pretreatment
Unit 207 can be realized in logical device chip, such as (Field Programmable Gate Array, scene can compile FPGA
Journey gate array) in chip.
Further, in the detection means based on infrared and ultraviolet visual image fusion that the utility model embodiment provides also
It can include：It is arranged at the spectral module 210 before visual light imaging instrument, and ultraviolet imager camera lens.
Spectral module 210 be used for the visible ray being injected into the light of described device is separated be sent to it is described visible
Photoimaging instrument, the ultraviolet light being injected into the light of described device is separated and is sent to the ultraviolet imager.
Specifically, the structure of spectral module 210 includes spectroscope 211 and reflective mirror 212.Wherein, spectroscope 211 will enter
Penetrate light and be separated into visible ray and ultraviolet light.Wherein, it is seen that direct projection is continued in direction of the light along incident light, injects visual light imaging instrument
202 optical lens；Vertical direction of the ultraviolet light along incident light continues to propagate, and enters purple running into the back reflection of reflective mirror 212
In the ultraviolet optics camera lens of outer imager 203.
More preferably, in the detection means of the utility model embodiment, a kind of small-sized ultraviolet imager can be used, is realized whole
The miniaturization of individual detection means, so as to realize the detection for carrying out equipment fault at the scene.In fact, in the prior art,
Typically using infrared thermal imaging technique shooting infrared image, after shooting ultraviolet image using ultraviolet image method, by what is photographed
Image is brought back after laboratory or base carry out Treatment Analysis, can just determine whether it is faulty, it is very cumbersome.And the utility model is small
Detection means after type, then can be that bat is display device fault message so that can detects to set testing staff at the scene
Standby failure, service work is carried out in time.
A kind of internal structure of above-mentioned ultraviolet imager 203 can with as shown in figure 3, including：Ultraviolet CCD (Charge
Coupled Device, charge coupling device imaging sensor) 301, horizontal drive signals generation unit 302, vertical drive letter
Number generation unit 303, bias-voltage generating circuit 304, analog video signal processing unit 305.Further, ultraviolet imager
203 can also include video data processing element 306, and be arranged at the ultraviolet optics camera lens before ultraviolet CCD301, set
Optical filter between ultraviolet optics camera lens and ultraviolet CCD301.
Wherein, ultraviolet CCD301 is used to the ultraviolet photon signal received being converted to analog electrical signal output；
Horizontal drive signals generation unit 302 is connected with ultraviolet CCD301, for providing water for the ultraviolet CCD301
Flat drive signal；
Vertical driving signal generation unit 303 is connected with ultraviolet CCD301, is hung down for being provided for the ultraviolet CCD301
Straight drive signal；
Bias-voltage generating circuit 304 and horizontal drive signals generation unit 302, and vertical driving signal generation unit
303 are connected, for being carried for the horizontal drive signals generation unit, and the voltage of vertical driving signal generation unit output
For bias voltage；
Analog video signal processing unit 305 is connected with ultraviolet CCD301, for the ultraviolet CCD301 outputs
After analog electrical signal carries out CDS (Correlated Double Sampling, correlated-double-sampling), Gain tuning, number is converted to
Word signal output；
Video data processing element 306 is connected with analog video signal processing unit 305, for by the analog video
The data signal of signal processing unit output enters row format conversion, in order to transmit or show.
Wherein, the horizontal drive signals generation unit 302 specifically includes：The water of subelement 311 occurs for horizontal drive sequential
Flat Voltag driving circuit 312.
Wherein, the output level clock signal of subelement 311 occurs for horizontal drive sequential.Horizontal voltage drive circuit 312 with
Horizontal drive sequential occurs subelement 311 and is connected, and meets ultraviolet CCD301 drivings electricity horizontal clock signal to be converted to
The horizontal drive signals of pressure request.
The vertical driving signal generation unit 303 specifically includes：Subelement 321, vertical electricity occur for vertical drive sequential
Press drive circuit 322.
Vertical drive sequential occurs subelement 321 and exports vertical clock signal.Vertical voltage drive circuit 322 drives with vertical
Dynamic sequential occurs subelement 321 and is connected, and meets ultraviolet CCD301 driving voltages requirement vertical clock signal to be converted to
Vertical driving signal.
Horizontal drive signals and vertical driving signal drive ultraviolet CCD301 to carry out conversion of the ultraviolet light to electronics, produce mould
Intend vision signal.And then CDS, Gain tuning and AD are carried out to analog video signal by analog video signal processing unit 305 and become
The analog signal processing such as change and produce data image signal.
In fact, the ultraviolet imagery device of prior art usually requires to set image intensifier, its major function is will be faint
Ultraviolet light under scenery, by opto-electronic conversion, electron multiplication and electro-optic conversion, complete the enhancing of ultraviolet radioactive image,
A common CCD is set to realize the detection of ultraviolet after image intensifier afterwards.However, purple can be caused there is provided image intensifier
Outer imaging device is sufficiently bulky, not portable.
And conversion of the ultraviolet light to electronics is carried out using the ultraviolet CCD of high sensitivity in the utility model, without using picture
Booster, the miniaturization of ultraviolet imager is realized, while also allow for whole detection means miniaturization, there is portability.
More preferably, minimized further to realize, when subelement 311, vertical drive occur for above-mentioned horizontal drive sequential
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 occurs for above-mentioned vertical drive sequential, and video data processing element 306 can also integrate
In a logical device chip, such as FPGA (Field Programmable Gate Array, field programmable gate array)
In chip.
Although it is to illustrate technical scheme by taking the detection of the power equipment of power industry as an example herein, it is clear that the utility model
Technical scheme can also be used for other industries equipment detection in.
In the technical scheme of the utility model embodiment, infrared, ultraviolet, visible ray is carried out simultaneously for detected equipment
Shooting, infrared, ultraviolet, visible images that shooting obtains are merged and exported, to detect the failure of the equipment.This
Sample, can embody the equipment drawing picture of visible light shooting in the image of fusion, infrared phenomena such as the halation or electric arc of ultraviolet light shooting
Temperature anomaly phenomenon that photo-beat is taken the photograph etc., these comprehensive information can more fully reflect the current situation of equipment, can be more comprehensively
Ground detects the failure of power equipment, and the testing staff that is more convenient for carries out the detection of equipment fault.
Those skilled in the art of the present technique are appreciated that the utility model includes being related to for performing operation described herein
In one or more equipment.These equipment can specially be designed and manufactured for required purpose, or can also be included
Known device in all-purpose computer.These equipment have the computer program being stored in it, the selection of these computer programs
Activate or reconstruct to property.Such computer program can be stored in equipment (for example, computer) computer-readable recording medium or deposit
Suitable for storing e-command and being coupled to respectively in any kind of medium of bus, the computer-readable medium includes for storage
But it is not limited to any kind of disk (including floppy disk, hard disk, CD, CD-ROM and magneto-optic disk), ROM (Read-Only
Memory, read-only storage), RAM (Random Access Memory, random access memory), EPROM (Erasable
Programmable Read-Only Memory, Erarable Programmable Read only Memory), EEPROM (Electrically
Erasable Programmable Read-Only Memory, EEPROM), flash memory, magnetic card
Or light card.It is, computer-readable recording medium includes storing or transmitting information in the form of it can read by equipment (for example, computer)
Any medium.
Those skilled in the art of the present technique be appreciated that can with computer program instructions come realize these structure charts and/or
The combination of each frame and these structure charts and/or the frame in block diagram and/or flow graph in block diagram and/or flow graph.This technology is led
Field technique personnel be appreciated that these computer program instructions can be supplied to all-purpose computer, special purpose computer or other
The processor of programmable data processing method is realized, so as to pass through the processing of computer or other programmable data processing methods
Device performs the scheme specified in the frame of structure chart disclosed in the utility model and/or block diagram and/or flow graph or multiple frames.
Those skilled in the art of the present technique are appreciated that the various operations discussed in the utility model, method, flow
In step, measure, scheme can be replaced, changed, combined or deleted.Further, have in the utility model and begged for
It can also be replaced by the various operations crossed, method, other steps in flow, measure, scheme, changed, reset, decomposed, group
Close or delete.Further, it is of the prior art have with the various operations disclosed in the utility model, method, flow
Step, measure, scheme can also be replaced, changed, reset, decomposed, combined or deleted.
Those of ordinary skills in the art should understand 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 present utility model, the above is real
Applying can also be combined between the technical characteristic in example or different embodiments, and step can be realized with random order, and deposit
In many other changes of different aspect of the present utility model as described above, for simplicity, they are not provided in details.
Therefore, all within the spirit and principles of the utility model, any omission for being made, modification, equivalent substitution, improvement etc. all should
Within the scope of protection of the utility model.
Claims (10)
1. a kind of detection means of infrared and ultraviolet integration, including：
Shoot and export the infrared thermoviewer of infrared image；
Shooting and export can be by the visual light imaging instrument of light image；
Shoot and export the ultraviolet imager of ultraviolet image；
The image co-registration device being connected with each imager, to merge it is infrared, ultraviolet, can be by light image.
2. device according to claim 1, it is characterised in that the ultraviolet imager includes：
The ultraviolet photon received signal to be converted to the ultraviolet charge coupling device imaging sensor of analog electrical signal
CCD；
The horizontal drive signals generation unit being connected with the ultraviolet CCD, to provide horizontal drive electricity for the ultraviolet CCD
Pressure；
The vertical driving signal generation unit being connected with the ultraviolet CCD, to provide vertical drive electricity for the ultraviolet CCD
Pressure；
The bias-voltage generating circuit being connected with horizontal, the vertical driving signal generation unit, to be described horizontal, vertical
The voltage of straight drive signal generation unit output provides bias voltage.
3. device according to claim 2, it is characterised in that the ultraviolet imager also includes：
The analog video signal processing unit being connected with the ultraviolet CCD, to the analog telecommunications to the ultraviolet CCD outputs
Number carry out correlated-double-sampling, Gain tuning, and be converted to data signal output；
The video data processing element being connected with the analog video signal processing unit, to by the analog video signal
The data signal of processing unit output enters row format conversion.
4. the device according to Claims 2 or 3, it is characterised in that the horizontal drive signals generation unit includes：
Subelement occurs to the horizontal drive sequential of output level clock signal；
The horizontal voltage drive circuit being connected with horizontal drive sequential generation subelement, horizontal clock signal to be turned
It is changed to the horizontal drive signals for meeting ultraviolet CCD driving voltages requirement.
5. device according to claim 4, it is characterised in that the vertical driving signal generation unit includes：
Subelement occurs to export the vertical drive sequential of vertical clock signal；
The vertical voltage drive circuit being connected with vertical drive sequential generation subelement, vertical clock signal to be turned
It is changed to the vertical driving signal for meeting ultraviolet CCD driving voltages requirement.
6. device according to claim 5, it is characterised in that
Subelement occurs for the horizontal drive sequential, vertical drive sequential occurs at subelement, and the analog video signal
Reason unit is integrated in a chip；And
Subelement occurs for the vertical drive sequential, and the video data processing element is integrated in fpga chip.
7. according to any described devices of claim 1-3, it is characterised in that described image fusion device built by logic circuit and
Into the logic circuit includes FPGA, PLC or logic gates.
8. according to any described devices of claim 1-3, it is characterised in that also include：
The Infrared images pre-processing unit being connected between the infrared thermoviewer and image co-registration device, to it is described it is infrared into
As the image that instrument exports is pre-processed.
9. according to any described devices of claim 1-3, it is characterised in that also include：
The ultraviolet image pretreatment unit being connected between the ultraviolet imager and image co-registration device, to it is described it is ultraviolet into
As the image that instrument exports is pre-processed.
10. according to any described devices of claim 1-3, it is characterised in that also include：
The visible images pretreatment unit being connected between the visual light imaging instrument and image co-registration device, to it is described can
See that the image of photoimaging instrument output is pre-processed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720217995.6U CN206818831U (en) | 2017-03-07 | 2017-03-07 | The detection means of infrared and ultraviolet integration |
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|---|---|---|---|
| CN201720217995.6U CN206818831U (en) | 2017-03-07 | 2017-03-07 | The detection means of infrared and ultraviolet integration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988773A (en) * | 2019-12-19 | 2020-04-10 | 国网山西省电力公司电力科学研究院 | Verification comparison method of ultraviolet imager |
| CN110988772A (en) * | 2019-12-19 | 2020-04-10 | 国网山西省电力公司电力科学研究院 | Check-up comparison circuit of ultraviolet imager |
-
2017
- 2017-03-07 CN CN201720217995.6U patent/CN206818831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988773A (en) * | 2019-12-19 | 2020-04-10 | 国网山西省电力公司电力科学研究院 | Verification comparison method of ultraviolet imager |
| CN110988772A (en) * | 2019-12-19 | 2020-04-10 | 国网山西省电力公司电力科学研究院 | Check-up comparison circuit of ultraviolet imager |
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