CN203012075U - System for testing ultraviolet visible light coincide deviation of ultraviolet detector - Google Patents
System for testing ultraviolet visible light coincide deviation of ultraviolet detector Download PDFInfo
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- CN203012075U CN203012075U CN201220490920.2U CN201220490920U CN203012075U CN 203012075 U CN203012075 U CN 203012075U CN 201220490920 U CN201220490920 U CN 201220490920U CN 203012075 U CN203012075 U CN 203012075U
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- ultraviolet
- ultraviolet detector
- visible
- detector
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Abstract
The utility model provides a system for testing ultraviolet visible light coincide deviation of an ultraviolet detector. The system comprises a deuterium lamp (1), an LED lamp (2), a cross target (3), an image acquisition card (6), a computer (7) and an ultraviolet detector (8), wherein the deuterium lamp (1) and the LED lamp (2) are located on one side of the cross target (3), and the ultraviolet detector (8) is located on the other side of the cross target (3); the ultraviolet detector (8) obtains ultraviolet images generated by irradiating the cross target (3) with the deuterium lamp (1) in an ultraviolet imaging mode, and obtains visible-light images generated by irradiating the cross target (3) with the LED lamp (2) in a visible-light mode; signals of the ultraviolet images and the visible-light images are acquired by the image acquisition card (6) into the computer (7); and the computer (7) calculates out the coincide deviation of the ultraviolet light and the visible light. The test method provided by the utility model is easy to implement, the debugging is simple and fast, and the testing procedure is digitalized.
Description
Technical field
The utility model relates to high-tension power transmission and transformation equipment discharge fault detection technique field, is specifically related to the system that a kind of ultraviolet-visible of testing Ultraviolet Detector overlaps deviation.
Background technology
Transmission line of electricity and Substation Electric Equipment are worked under atmospheric environment, and in some situation, the appearance along with insulating property reduction or fault of construction can produce corona discharge and surface local electric discharge phenomena.In discharge process, therefore corona and local discharge part position may, can utilize the insulation status of ultraviolet observation being assessed indirectly operational outfit to the external radiation ultraviolet ray, timely discovering device insulation defect.
Ultraviolet Detector has two passages: ultraviolet ray and visible light.The ultraviolet ray passage is used for the corona imaging, and visible channel is used for showing testee shape, shooting environmental picture.Ultraviolet, visual picture can be used for observing simultaneously corona and ambient environmental conditions by overlapping generation one width picture.Generally, Ultraviolet Detector can overlap ultraviolet/viewability channel the deviation adjustment to best when dispatching from the factory, yet due to the impact of the factors such as time, environment and structured material, ultraviolet/viewability channel may produce trickle skew.Although these skews are very faint, generally outside tens meters distances, the at this moment faint angular deflection of ultraviolet/viewability channel will have influence on the location to unit exception due to corona observation.Therefore, the ultraviolet/visible light of corona discharge Ultraviolet Detector being overlapped deviation tests and has important actual directive significance.
The utility model content
The problem that the utility model affects the UV corona detection accuracy for the ultraviolet ray that solves Ultraviolet Detector and the faint angular deflection of visible channel, provide a kind of ultraviolet-visible of testing Ultraviolet Detector to overlap the system of deviation, by detecting respectively ultraviolet ray and visible channel to the imaging pixel deviation of cross drone barycenter, calculate ultraviolet ray and visible light and overlap deviation.A kind of ultraviolet-visible of testing Ultraviolet Detector that the utility model provides overlaps the system of deviation, and described system comprises deuterium lamp (1), LED lamp (2), cross drone (3), image pick-up card (6), computing machine (7) and Ultraviolet Detector (8);
Described deuterium lamp (1) and LED lamp (2) are positioned at a side of described cross drone (3), and described Ultraviolet Detector (8) is positioned at the opposite side of described cross drone (3);
Described Ultraviolet Detector (8) obtains the ultraviolet image that described deuterium lamp (1) shines described cross drone (3) under the ultraviolet imagery pattern, obtain the visible images that described LED lamp (2) shines described cross drone (3) under the visible light pattern;
Described image pick-up card (6) is positioned at the inside of described computing machine (7), be connected with described Ultraviolet Detector (8), with the signals collecting of described ultraviolet image and visible images in described computing machine (7);
Described computing machine (7) calculates the coincidence deviation of described ultraviolet ray and visible light by the center point coordinate of the cross drone (3) on the signal of the described ultraviolet image that obtains and visible images.
In the first preferred embodiment that the utility model provides: described system also comprises parallel fluorescent tube (4);
Described parallel light tube (4) is positioned between described cross drone (3) and described Ultraviolet Detector (8), described cross drone (3) is fixed on the incident port of described parallel fluorescent tube (4), and the light-emitting window of described parallel fluorescent tube (4) is aimed at the camera lens of described Ultraviolet Detector (8).
In the second preferred embodiment that the utility model provides: described system also comprises electronic theodolite (5);
Described Ultraviolet Detector (8) is fixed on described electronic theodolite (5).
In the 3rd preferred embodiment that the utility model provides: " Video Out " port of described Ultraviolet Detector (8) is connected by the BNC video line with " Video In " port of described image pick-up card (6).
In the 4th preferred embodiment that the utility model provides: the model of described deuterium lamp (1) is D-2000.
In the 5th preferred embodiment that the utility model provides: the model of described parallel light tube (4) is HGPG-1000.
In the 6th preferred embodiment that the utility model provides: the model of described electronic theodolite (5) is DT-02.
In the 7th preferred embodiment that the utility model provides: the model of described image pick-up card (6) is PICOLO.
The beneficial effect that a kind of ultraviolet-visible of testing Ultraviolet Detector that the utility model provides overlaps the system of deviation comprises: a kind of ultraviolet-visible of testing Ultraviolet Detector that the utility model provides overlaps the system of deviation, have method of testing and easily realize, debug the advantages such as Simple fast, test process digitizing, be suitable for power industry and carry out the occasions such as routine maintenance, test, correction in the process of using the corona discharge Ultraviolet Detector.
Description of drawings
A kind of ultraviolet-visible of testing Ultraviolet Detector that Fig. 1 provides for the utility model overlaps the system architecture diagram of deviation;
A kind of ultraviolet-visible of testing Ultraviolet Detector that Fig. 2 provides for the utility model overlaps the method flow diagram of deviation;
Fig. 3 overlaps deviation picture element matrix schematic diagram for ultraviolet ray and the visible light that the utility model provides.
1 is deuterium lamp; 2 is the LED lamp; 3 is cross drone; 4 is parallel fluorescent tube; 5 is electronic theodolite; 6 is image pick-up card; 7 is computing machine; 8 is Ultraviolet Detector.
Embodiment
A kind of ultraviolet-visible of testing Ultraviolet Detector that the utility model provides overlaps the system of deviation, the structural drawing of this system as shown in Figure 1, comprise deuterium lamp 1, LED lamp 2, cross drone 3, image pick-up card 6, computing machine 7 and Ultraviolet Detector 8, deuterium lamp 1 and LED lamp 2 are positioned at a side of cross drone 3, Ultraviolet Detector 8 is positioned at the opposite side of cross drone 3, image pick-up card 6 is positioned at the inside of computing machine 7, is connected with Ultraviolet Detector 8.
Image pick-up card 6 is arranged on the inside of computing machine 7, be connected with Ultraviolet Detector 8, with the signals collecting of ultraviolet image and visible images in computing machine 7.
Computing machine 7 calculates the coincidence deviation of ultraviolet ray and visible light by the center point coordinate of the cross drone 3 on the signal of the ultraviolet image that obtains and visible images.
The system that a kind of ultraviolet-visible of testing Ultraviolet Detector that the utility model provides overlaps deviation can also comprise parallel fluorescent tube 4 and electronic theodolite 5, parallel light tube 4 is between cross drone 3 and Ultraviolet Detector 8, wherein cross drone 3 is fixed on the incident port of parallel fluorescent tube 4, the light-emitting window of parallel fluorescent tube 4 is aimed at the camera lens of Ultraviolet Detector 8, Ultraviolet Detector 8 is fixed on electronic theodolite 5, image pick-up card 6 in computing machine 7, is kept at the signals collecting of ultraviolet image and visible images on hard disk with the form of data file.
" Video In " (video input) port of " the Video Out " of Ultraviolet Detector 8 (video output) port and image pick-up card 6 is by BNC(Bayonet Nut Connector, the concentric cable plug) video line is connected.
A kind of ultraviolet-visible of testing Ultraviolet Detector that the utility model provides overlaps the system of deviation, wherein, the model of deuterium lamp 1 can be D-2000, the model of parallel light tube 4 can be HGPG-1000, the model of electronic theodolite 5 can be DT-02, and the model of image pick-up card 6 can be PICOLO.
A kind of ultraviolet-visible of testing Ultraviolet Detector that the utility model provides overlaps the method for deviation, the ultraviolet-visible that the method is based on the test Ultraviolet Detector that the utility model provides overlaps the system of deviation, this system comprises deuterium lamp 1, LED lamp 2, cross drone 3, image pick-up card 6, computing machine 7 and Ultraviolet Detector 8, deuterium lamp 1 and LED lamp 2 are positioned at a side of cross drone 3, Ultraviolet Detector 8 is positioned at the opposite side of cross drone 3, image pick-up card 6 is arranged in computing machine 7, be connected with Ultraviolet Detector 8, the process flow diagram of the method comprises as shown in Figure 2:
Step S1 opens deuterium lamp 1, closes LED lamp 2, opens the ultraviolet imagery pattern of Ultraviolet Detector 8, closes the visible light pattern, and adjusting focal length makes Ultraviolet Detector 8 obtain the ultraviolet image clearly of deuterium lamp 1 irradiation cross drone 3.
Concrete, the zoom lens of Ultraviolet Detector 8 is regulated in the longest burnt position, with the barycenter of the centrally aligned cross drone 3 of ultraviolet image.
In computing machine 7, computing machine 7 obtains the center point coordinate (m of the cross drone 3 on the signal of this ultraviolet image with the signals collecting of ultraviolet image for step S2, image pick-up card 6
1, n
1).
Ultraviolet passage to Ultraviolet Detector 8 is tested.
" Video Out " port of Ultraviolet Detector 8 is connected with " Video in " port of image pick-up card 6 by the BNC video line, with the signals collecting of ultraviolet image in computing machine 7.
Step S3 closes deuterium lamp 1, turns on LED lamp 2, closes the ultraviolet imagery pattern of Ultraviolet Detector 8, opens the visible light pattern, and adjusting focal length makes Ultraviolet Detector 8 obtain the visible images clearly of LED lamp 2 irradiation cross drones 3.
Concrete, with the barycenter of the centrally aligned cross drone 3 of visible images, adjusting focal length makes Ultraviolet Detector 8 obtain visible images clearly.
In computing machine 7, computing machine 7 obtains the center point coordinate (m of the cross drone 3 on the signal of this visible images with the signals collecting of visible images for step S4, image pick-up card 6
2, n
2).
Visible channel to Ultraviolet Detector 8 is tested.
" Video Out " port of Ultraviolet Detector 8 is connected with " Video in " port of image pick-up card 6 by the BNC video line, with the signals collecting of visible images in computing machine 7.
Step S5 is according to center point coordinate (m
1, n
1) and (m
2, n
2) and field angle and the image resolution ratio of Ultraviolet Detector 8, calculate the coincidence deviation of ultraviolet ray and visible channel.
The ultraviolet-visible that the utility model provides overlaps deviation picture element matrix schematic diagram as shown in Figure 3, and as shown in Figure 3, the pixel of the barycenter of ultraviolet image and the barycenter of visible images is poor is (m
1-m
2, n
1-n
2), the field angle of Ultraviolet Detector 8 is H
1* V
1, the pixel H of video output formats
2* V
2, ultraviolet ray and visible light are in the horizontal direction
At H
1* V
1Vertical direction
According to the technical information of the UV corona detection instrument field angle H of Ultraviolet Detector 8 as can be known
1* V
1Be 5 ° * 3.75 °, the pixel H of video output formats
2* V
2Be 640 * 480, so, ultraviolet/visible light in the horizontal direction
In the vertical direction
Preferably, the system that the ultraviolet-visible of the test Ultraviolet Detector that the utility model provides overlaps deviation can comprise parallel fluorescent tube 4 and electronic theodolite 5, parallel light tube 4 is between cross drone 3 and Ultraviolet Detector 8, and Ultraviolet Detector 8 is fixed on electronic theodolite 5.
Also comprise before step S1:
Step S1 ' is fixed on cross drone 3 the incident port of parallel light tube 4, adjusts incident light parallel radiation that deuterium lamp 1 and LED lamp 2 send on cross drone 3 surfaces.
Step S2' regulates the light-emitting window that electronic theodolite 5 makes the alignment lens parallel light tube 4 of Ultraviolet Detector 8.
Can also comprise after step S5:
Step S6 regulates electronic theodolite 5, makes the barycenter of cross drone 3 of Ultraviolet Detector 8 imagings in the image border, and execution in step S1 is to step S5.
Although abovely with reference to the accompanying drawings embodiment of the present utility model is had been described in detail; but be not limited only to this embodiment; those skilled in the art's technical scheme concrete according to this carried out variously is equal to, deformation process, also within protection domain of the present utility model.
Claims (8)
1. a system that tests the ultraviolet-visible coincidence deviation of Ultraviolet Detector, is characterized in that, described system comprises deuterium lamp (1), LED lamp (2), cross drone (3), image pick-up card (6), computing machine (7) and Ultraviolet Detector (8);
Described deuterium lamp (1) and LED lamp (2) are positioned at a side of described cross drone (3), and described Ultraviolet Detector (8) is positioned at the opposite side of described cross drone (3);
Described Ultraviolet Detector (8) obtains the ultraviolet image that described deuterium lamp (1) shines described cross drone (3) under the ultraviolet imagery pattern, obtain the visible images that described LED lamp (2) shines described cross drone (3) under the visible light pattern;
Described image pick-up card (6) is positioned at the inside of described computing machine (7), be connected with described Ultraviolet Detector (8), with the signals collecting of described ultraviolet image and visible images in described computing machine (7);
Described computing machine (7) calculates the coincidence deviation of described ultraviolet ray and visible light by the center point coordinate of the cross drone (3) on the signal of the described ultraviolet image that obtains and visible images.
2. the system as claimed in claim 1, is characterized in that, described system also comprises parallel fluorescent tube (4);
Described parallel light tube (4) is positioned between described cross drone (3) and described Ultraviolet Detector (8), described cross drone (3) is fixed on the incident port of described parallel fluorescent tube (4), and the light-emitting window of described parallel fluorescent tube (4) is aimed at the camera lens of described Ultraviolet Detector (8).
3. the system as claimed in claim 1, is characterized in that, described system also comprises electronic theodolite (5);
Described Ultraviolet Detector (8) is fixed on described electronic theodolite (5).
4. the system as claimed in claim 1, is characterized in that, " Video Out " port of described Ultraviolet Detector (8) is connected by the BNC video line with " Video In " port of described image pick-up card (6).
5. the system as claimed in claim 1, is characterized in that,
The model of described deuterium lamp (1) is D-2000.
6. system as claimed in claim 2, is characterized in that, the model of described parallel light tube (4) is HGPG-1000.
7. system as claimed in claim 3, is characterized in that, the model of described electronic theodolite (5) is DT-02.
8. the system as claimed in claim 1, is characterized in that, the model of described image pick-up card (6) is PICOLO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490920.2U CN203012075U (en) | 2012-09-24 | 2012-09-24 | System for testing ultraviolet visible light coincide deviation of ultraviolet detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490920.2U CN203012075U (en) | 2012-09-24 | 2012-09-24 | System for testing ultraviolet visible light coincide deviation of ultraviolet detector |
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| Publication Number | Publication Date |
|---|---|
| CN203012075U true CN203012075U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220490920.2U Expired - Lifetime CN203012075U (en) | 2012-09-24 | 2012-09-24 | System for testing ultraviolet visible light coincide deviation of ultraviolet detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914727A (en) * | 2012-09-24 | 2013-02-06 | 中国电力科学研究院 | System and method for testing ultraviolet visible light coincidence deviation of ultraviolet detector |
| CN103336011A (en) * | 2013-07-11 | 2013-10-02 | 哈尔滨理工大学 | Observing device for polymer-inorganic filler composite electric branch |
| CN110708462A (en) * | 2019-10-08 | 2020-01-17 | 北京航空航天大学 | Light field camera focusing method and device |
-
2012
- 2012-09-24 CN CN201220490920.2U patent/CN203012075U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914727A (en) * | 2012-09-24 | 2013-02-06 | 中国电力科学研究院 | System and method for testing ultraviolet visible light coincidence deviation of ultraviolet detector |
| CN102914727B (en) * | 2012-09-24 | 2015-07-22 | 中国电力科学研究院 | System and method for testing ultraviolet visible light coincidence deviation of ultraviolet detector |
| CN103336011A (en) * | 2013-07-11 | 2013-10-02 | 哈尔滨理工大学 | Observing device for polymer-inorganic filler composite electric branch |
| CN103336011B (en) * | 2013-07-11 | 2015-02-04 | 哈尔滨理工大学 | Observing device for polymer-inorganic filler composite electric branch |
| CN110708462A (en) * | 2019-10-08 | 2020-01-17 | 北京航空航天大学 | Light field camera focusing method and device |
| CN110708462B (en) * | 2019-10-08 | 2020-10-20 | 北京航空航天大学 | Light field camera focusing method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |