CN207730879U - A kind of failure detector based on infrared and ultraviolet image information - Google Patents
A kind of failure detector based on infrared and ultraviolet image information Download PDFInfo
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- CN207730879U CN207730879U CN201721517652.8U CN201721517652U CN207730879U CN 207730879 U CN207730879 U CN 207730879U CN 201721517652 U CN201721517652 U CN 201721517652U CN 207730879 U CN207730879 U CN 207730879U
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Abstract
The utility model provides a kind of failure detector based on infrared and ultraviolet image information, including：Infrared thermoviewer, ultraviolet imager, the ultraviolet hot spot analyzer being connect with ultraviolet imager, the image co-registration device being connected with infrared thermoviewer, ultraviolet hot spot analyzer；Ultraviolet imager includes ultraviolet CCD, it is set to the ultraviolet optics camera lens before ultraviolet CCD, the horizontal drive signals being connected with ultraviolet CCD generate unit, the vertical driving signal being connected with ultraviolet CCD generates unit, and the bias-voltage generating circuit that unit is connected is generated with horizontal, vertical driving signal.Infrared, the ultraviolet image that shooting obtains are merged and are exported by the utility model, failure for detecting the equipment, phenomena such as halation or electric arc of ultraviolet light shooting can be embodied in the image of fusion, the temperature anomaly phenomenon etc. of infrared light shooting, the failure of power equipment can more fully be detected, simultaneously using highly sensitive ultraviolet CCD, the volume of ultraviolet imagery module is greatly reduced.
Description
Technical field
The utility model belongs to field of image detection, and in particular to a kind of fault detect based on infrared and ultraviolet image information
Device.
Background technology
Currently, the technology for carrying out Partial Discharge Detection to electrical equipment has observation, hyperfrequency method, supercritical ultrasonics technology, infrared
Imaging method, flash spotting, dielectric oil chromatographic analysis method, ultraviolet image method etc..Infrared thermal imaging technique is answered in China's electric system
With increasingly extensive, it has become the indispensable means for carrying out electrical device status inspection.Ultraviolet image method is a kind of emerging passes through
Corona, arc discharge are detected to identify the technology of Electric Power Equipment Insulation state.
In practical application, although infrared thermal imaging technique can detect the temperature of various pyrogenicity type equipment or open fire shows
As being influenced very greatly, false alarm to be susceptible to, although ultraviolet imagery technology can detect that corona, electric arc etc. are put by solar radiation
Electrical phenomena, but fault verification based on equipment cannot be made, there is also certain defects.Moreover, being set using existing method detection
Standby failure is very inconvenient, on the one hand, testing staff needs to send the image informations such as infrared or ultraviolet of shooting back to inspection center
Row analysis rear can determine that equipment whether failure.On the other hand, the device for being used for ultraviolet imagery is very big, is not easy to testing staff and exists
Carry carry out fault detect in scene.
Utility model content
In view of the drawbacks of the prior art, the technical problem to be solved by the present invention is to provide one kind being based on infrared and ultraviolet figure
As the failure detector of information, there is portability, and can more comprehensively, be easier to judgement equipment fault.
In order to solve the above technical problems, the utility model uses following technical solution：One kind being based on infrared and ultraviolet image
The failure detector of information, including：
Infrared thermoviewer, for shooting and exporting infrared image；
Ultraviolet imager, for shooting and exporting ultraviolet image；
The ultraviolet hot spot analyzer being connect with the ultraviolet imager, for analyzing the purple captured by the ultraviolet imager
Outer image and the ultraviolet hot spot image for exporting potential faults wherein included；
The image co-registration device being connected with the infrared thermoviewer, ultraviolet hot spot analyzer, for merge it is described it is infrared at
The ultraviolet hot spot image for the potential faults that the infrared image and ultraviolet hot spot analyzer exported as instrument exports；
Wherein, the ultraviolet imager includes：
Ultraviolet photon signal for will receive is converted to the ultraviolet CCD of analog electrical signal；
The ultraviolet optics camera lens being set to before the ultraviolet CCD；The horizontal drive signals production being connected with the ultraviolet CCD
Raw unit, for providing horizontal drive voltage for the ultraviolet CCD；
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.
Preferably, the ultraviolet imager further includes：
The analog video signal processing unit being connected with the ultraviolet CCD, for the simulation to the ultraviolet CCD outputs
Electric signal carries out correlated-double-sampling, Gain tuning, and is converted to digital signal output.
Preferably, the ultraviolet imager further includes：
The video data processing element being connected with the analog video signal processing unit is used for the analog video
The digital signal of signal processing unit output carries out format conversion.
Preferably, the horizontal drive signals generation unit includes：
Subelement occurs for the horizontal drive sequential for output level clock signal；
The horizontal voltage driving circuit that subelement is connected occurs with the horizontal drive sequential, for believing horizontal sequential
Number be converted to the horizontal drive signals for meeting ultraviolet CCD driving voltages requirement.
Preferably, the vertical driving signal generation unit includes：
Subelement occurs for the perpendicular drive sequential for exporting vertical clock signal；
The vertical voltage driving circuit that subelement is connected occurs with the perpendicular drive sequential, for believing vertical sequential
Number be converted to the vertical driving signal for meeting ultraviolet CCD driving voltages requirement.
Preferably, the analog video signal processing unit is integrated in one with horizontal drive sequential generation subelement
In chip.
Preferably, the video data processing element is integrated in fpga chip with perpendicular drive sequential generation subelement
In.
Preferably, described image fusion device is built by logic circuit, and the logic circuit includes FPGA, PLC or patrols
Collect gate circuit.
The utility model is carried out at the same time infrared, ultraviolet light shooting for detected equipment, shooting is obtained infrared, purple
Outer image is merged and is exported, the failure for detecting the equipment.In this way, ultraviolet photo-beat can be embodied in the image of fusion
Phenomena such as halation or electric arc for taking the photograph, the temperature anomaly phenomenon etc. of infrared light shooting, these comprehensive information can more fully reflect
The current situation of equipment can more fully detect the failure of power equipment, and the testing staff that is more convenient for carries out the inspection of equipment fault
It surveys.
Meanwhile using highly sensitive ultraviolet CCD in the ultraviolet imager of the detection device of the utility model, and eliminate picture
Booster greatly reduces the volume of ultraviolet imagery module, makes it possible to be integrated in visual light imaging instrument same portable
It in detection device, is carried at the scene convenient for testing staff, carries out fault detect in time.
Description of the drawings
Fig. 1 is that a kind of internal structure of failure detector based on infrared and ultraviolet image information of the utility model is illustrated
Figure.
Fig. 2 is in ultraviolet imager in a kind of failure detector based on infrared and ultraviolet image information of the utility model
Portion's structural schematic diagram.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.The art
Technical staff is appreciated that unless expressly stated, singulative " one " used herein, "one", " described " and "the" also may be used
Including plural form.It is to be further understood that when we say that an element is " connected " or " coupled " to another element, it can
To be directly connected or coupled to other elements, or there may also be intermediary elements.In addition, " connection " used herein or " coupling
Connect " may include being wirelessly connected or wirelessly coupling.Wording "and/or" used herein includes one or more associated row
The whole or any cell for going out item are combined with whole.
In the technical solution of the utility model, it is carried out at the same time infrared, ultraviolet light for detected equipment and shoots, will shoot
Obtained infrared, ultraviolet image is merged and is exported, the failure for detecting the equipment.In this way, can in the image of fusion
Phenomena such as halation or electric arc to embody ultraviolet light shooting, the temperature anomaly phenomenon etc. of infrared light shooting, these comprehensive information can
More fully to reflect the current situation of equipment, can more fully detect the failure of power equipment, be more convenient for testing staff into
The detection of row equipment fault.
The technical solution for embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
The failure detector based on infrared and ultraviolet image information that the utility model embodiment provides, internal structure is as schemed
Shown in 1, including：Infrared thermoviewer 201, ultraviolet imager 203, ultraviolet hot spot analyzer 202 and 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.
Ultraviolet imager 203 is used for the ultraviolet image for equipment shooting, and exports the ultraviolet image of shooting.
Ultraviolet hot spot analyzer 202 is connect with the ultraviolet imager, for analyzing captured by the ultraviolet imager
Ultraviolet image and the ultraviolet hot spot image for exporting potential faults wherein included.
Image co-registration device 204 is connected with infrared thermoviewer 201 and ultraviolet hot spot analyzer 202, is used for each imaging
The image of instrument output is merged and is exported, the failure for detecting the equipment.That is, image co-registration device 204 will be red
The ultraviolet image for the potential faults that the infrared image of the output of outer imager 201, the output of ultraviolet hot spot analyzer 202 include is melted
It closes, obtains including infrared, UV Information blending image, in order to which testing staff can obtain more fully from image
Facility information, the testing staff that is more convenient for carry out the detection of equipment fault.
Image co-registration device 204 can be built by logic circuit；Wherein, logic circuit may include：FPGA(Field
Programmable Gate Array, field programmable gate array), PLC (Programmable Logic Controller,
Programmable logic controller (PLC)) or logic gates etc..
A kind of small-sized ultraviolet imager is used in the detection device of the utility model embodiment, realizes entire detection device
Miniaturization, so as to realize at the scene carry out equipment fault detection.In fact, in the prior art, using it is ultraviolet at
After method shooting ultraviolet image, the image taken is brought back into laboratory or after base carries out processing analysis, is just capable of determining whether
It is faulty, it is very cumbersome.And the detection device after the utility model miniaturization, then i.e. display device fault information can be clapped, is made
The failure of equipment can be detected at the scene by obtaining testing staff, carry out service work in time.
A kind of internal structure of above-mentioned ultraviolet imager 203 can be with as shown in Fig. 2, include：Ultraviolet CCD (Charge
Coupled Device, charge coupling device imaging sensor) 301, horizontal drive signals generate unit 302, perpendicular drive letter
Number generate 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 set to the ultraviolet optics camera lens before ultraviolet CCD301, be arranged
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 generate unit 302 and are connected with ultraviolet CCD301, for providing water for the ultraviolet CCD301
Flat drive signal；
Vertical driving signal generates unit 303 and is connected with ultraviolet CCD301, vertical for being provided for the ultraviolet CCD301
Straight drive signal；
Bias-voltage generating circuit 304 generates unit 302 with horizontal drive signals 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 carries
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 exports；
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 carries out format conversion, 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 sequential
Flat Voltag driving circuit 312.
Wherein, 311 output level clock signal of subelement occurs for horizontal drive sequential.Horizontal voltage driving circuit 312 with
Horizontal drive sequential occurs subelement 311 and is connected, and meets ultraviolet CCD301 drivings 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：Sequential is vertically driven, subelement 321, vertical electricity occurs
Press driving circuit 322.
Perpendicular drive sequential occurs subelement 321 and exports vertical clock signal.Vertical voltage driving circuit 322 drives with vertical
Dynamic sequential occurs subelement 321 and is connected, and meets ultraviolet CCD301 driving voltages requirement for being converted to vertical clock signal
Vertical driving signal.
Horizontal drive signals and vertical driving signal drive ultraviolet CCD301 to carry out conversion of the ultraviolet light to electronics, generate mould
Quasi- 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
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 opto-electronic conversion, electron multiplication and electro-optic conversion,
The detection that one common CCD realizes ultraviolet light is set after image intensifier later.However, can make purple provided with image intensifier
Outer imaging device is sufficiently bulky, not portable.
And conversion of the ultraviolet light to electronics is carried out using highly sensitive ultraviolet CCD in the utility model, without using picture
Booster 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 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 and video data processing element 306, which occur, for above-mentioned perpendicular drive sequential can also integrate
In a logical device chip, such as FPGA (Field Programmable Gate Array, field programmable gate array)
In chip.
The ultraviolet imager includes ultraviolet lens, the structure designs of ultraviolet lens include two lens groups, one it is adjustable
Diaphragm and a day blind optical filter.Design adjustable diaphragm is to control the luminous flux for entering ultraviolet detector, prevent from measuring
Cause signal supersaturated when intense radiation target.
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 the utility model
Technical solution can also be used for other industries equipment detection in.
In the technical solution of the utility model embodiment, it is carried out at the same time infrared, ultraviolet light for detected equipment and shoots,
Infrared, ultraviolet image that shooting obtains are merged and exported, the failure for detecting the equipment.In this way, the figure of fusion
Phenomena such as halation or electric arc of ultraviolet light shooting can be embodied as in, the temperature anomaly phenomenon etc. of infrared light shooting integrate these
Information can more fully reflect the current situation of equipment, can more fully detect the failure of power equipment, be more convenient for detecting
Personnel carry out the detection of equipment fault.
Meanwhile using highly sensitive ultraviolet CCD in the ultraviolet imager of the detection device of the utility model, and eliminate picture
Booster greatly reduces the volume of ultraviolet imagery module, makes it possible to be integrated in visual light imaging instrument same portable
It in detection device, is carried at the scene convenient for testing staff, carries out fault detect in time.
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 the thinking of the utility model, the above reality
Applying can also be combined between the technical characteristic in example or different embodiment, and step can be realized with random order, and be deposited
In many other variations of the different aspect of the utility model as described above, for simplicity, they are not provided in details.
Therefore, within the spirit and principle of the utility model, any omission, modification, equivalent replacement, improvement for being made etc., should all
It is included within the scope of protection of this utility model, therefore, the protection domain of the utility model patent should be with appended claims
Subject to.
Claims (6)
1. a kind of failure detector based on infrared and ultraviolet image information, which is characterized in that including：Infrared thermoviewer, it is ultraviolet
Imager, the ultraviolet hot spot analyzer being connect with the ultraviolet imager, with the infrared thermoviewer, ultraviolet hot spot analyzer phase
The image co-registration device of connection；The ultraviolet imager includes ultraviolet CCD, the ultraviolet optics camera lens being set to before the ultraviolet CCD,
The horizontal drive signals being connected with the ultraviolet CCD generate unit, the vertical driving signal production being connected with the ultraviolet CCD
Raw unit generates the bias-voltage generating circuit that unit is connected with the horizontal, vertical driving signal.
2. a kind of failure detector based on infrared and ultraviolet image information according to claim 1, which is characterized in that institute
Stating ultraviolet imager further includes：The analog video signal processing unit being connected with the ultraviolet CCD.
3. a kind of failure detector based on infrared and ultraviolet image information according to claim 2, which is characterized in that institute
Stating ultraviolet imager further includes：The video data processing element being connected with the analog video signal processing unit.
4. a kind of failure detector based on infrared and ultraviolet image information according to claim 2, which is characterized in that institute
Stating horizontal drive signals generation unit includes：Subelement occurs for horizontal drive sequential, and it is single that son occurs with the horizontal drive sequential
With the horizontal drive sequential son list occurs for the horizontal voltage driving circuit that member is connected, the analog video signal processing unit
Member is integrated in a chip.
5. a kind of failure detector based on infrared and ultraviolet image information according to claim 3, which is characterized in that institute
Stating vertical driving signal generation unit includes：Sequential is vertically driven, subelement occurs, it is single that son occurs with the perpendicular drive sequential
With the perpendicular drive sequential subelement collection occurs for the vertical voltage driving circuit that member is connected, the video data processing element
At in fpga chip.
6. a kind of failure detector based on infrared and ultraviolet image information according to claim 1, which is characterized in that institute
It states image co-registration device to be built by logic circuit, the logic circuit includes FPGA, PLC or logic gates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721517652.8U CN207730879U (en) | 2017-11-14 | 2017-11-14 | A kind of failure detector based on infrared and ultraviolet image information |
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| CN201721517652.8U CN207730879U (en) | 2017-11-14 | 2017-11-14 | A kind of failure detector based on infrared and ultraviolet image information |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834879A (en) * | 2021-01-05 | 2021-05-25 | 株洲中车时代电气股份有限公司 | Detection device and detection method for bow net arcing |
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2017
- 2017-11-14 CN CN201721517652.8U patent/CN207730879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834879A (en) * | 2021-01-05 | 2021-05-25 | 株洲中车时代电气股份有限公司 | Detection device and detection method for bow net arcing |
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