CN1554929A - Double spectrum image detector - Google Patents
Double spectrum image detector Download PDFInfo
- Publication number
- CN1554929A CN1554929A CNA2003101175838A CN200310117583A CN1554929A CN 1554929 A CN1554929 A CN 1554929A CN A2003101175838 A CNA2003101175838 A CN A2003101175838A CN 200310117583 A CN200310117583 A CN 200310117583A CN 1554929 A CN1554929 A CN 1554929A
- Authority
- CN
- China
- Prior art keywords
- ultraviolet
- image
- background
- imaging
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The double spectrum image detecting instrument includes ultraviolet imaging system, background imaging system, signal acquisition device and signal processing unit. The ultraviolet imaging system includes imaging objective, two-color spectroscope, ultraviolet image enhancer, coupling lens and video camera. The background imaging system include the imaging objective, the two-color spectroscope, reflector, one other coupling lens and one other video camera. The light beam from the imaging objective is divided in the spectroscope into one ultraviolet beam and one background beam; the ultraviolet beam is imaged on the input plane of the enhancer and the spectral converted and brightness enhanced image is imaged in the first video camera; the background light beam is reflected, coupled and imaged in the second video camera; and two path of images are further processed, superposed and restored.
Description
1, technical field:
The present invention is a kind of UV double spectrum picture detector, belongs to the innovative technology of image detection instrument.
2, background technology:
At present, the main infrared detection system that adopts of power transmission and transformation system discharge examination and fire alarm monitoring, the shortcoming of its existence are not only a little less than the antijamming capability, flase drop, rate of false alarm height, and can not under the strong illumination environment, work, be difficult to determine the position of discharge and fire alarm; And time response, frequency was low, complex structure, cost height.For this reason, gradually adopted the ultraviolet alarm in power transmission and transformation system discharge examination and fire alarm monitoring in recent years, but because it does not have imaging function and background image signal, so can't realize locating the differentiation with fault degree, and its complex structure, volume is big, troublesome poeration carries inconvenience.
3, summary of the invention:
The objective of the invention is to overcome above-mentioned shortcoming and provide a kind of response speed fast, the conversion efficiency height of ultraviolet can be understood the width of cloth exactly and penetrate the position of generation and two spectrum picture detectors of intensity.The present invention can grasp the position and the degree of discharge, fire alarm by the situation of UV radiation rapidly, improve speed and accuracy that the system failure is got rid of, effectively increase work efficiency, the present invention designs ingenious, compact conformation, reasonable, in light weight, simple to operate, be easy to carry, be applicable to patrolling and examining, taking photo by plane of the defeated modified line road of high pressure, fire alarm and monitoring, the detection of UV signal and accurate location, discharge research etc.
Structural representation of the present invention as shown in drawings, include ultraviolet imagery system, background imaging system, signal pickup assembly, signal processing apparatus, wherein ultraviolet image, background image are shunted to picture, obtain the ultraviolet image signal by the ultraviolet imagery system, obtain background image signal by the background imaging system, ultraviolet image signal and background image signal are transferred to signal processing apparatus by signal pickup assembly, carry out signal Processing and stack recovery.
Above-mentioned ultraviolet imagery system includes image-forming objective lens (1), dichroic beam splitter (2), ultraviolet image intensifier assemblies A, coupled lens (9), video camera (10), the background imaging system includes image-forming objective lens (1), dichroic beam splitter (2), catoptron (11), coupled lens (12), video camera (13), image-forming objective lens (1) projects dichroic beam splitter (2) and is divided into ultraviolet light beam and background light beam, ultraviolet light beam sees through dichroic beam splitter (2) and is imaged on the input face of ultraviolet image intensifier assemblies A, image after spectrum conversion and brightness strengthen is by the video screen output of image intensifier assembly A, be coupled on the video camera (10) through coupled lens (9), the background light beam reflects through catoptron (11), be imaged on coupled lens (12), be coupled on the video camera (13) through coupled lens (12).
The front end of above-mentioned ultraviolet enhancer assembly A also is equiped with ultraviolet interference filter eyeglass (3).
Above-mentioned ultraviolet image intensifier assemblies A includes booster shell (4), ultraviolet conversion screen (5), image intensifier (6), gasket ring (7), locking volution (8), ultraviolet conversion screen (5) and image intensifier (6) place in the booster shell (4), and fixing by gasket ring (7) and locking volution (8).
Above-mentioned image-forming objective lens (1), dichroic beam splitter (2), ultraviolet interference filter eyeglass (3), ultraviolet image booster A, coupled lens (9), catoptron (11), the installation axis of coupled lens (12) and the dead in line of imaging beam.
Above-mentioned signal pickup assembly is video frequency collection card (15), and signal processing device is changed to computing machine (16), and video frequency collection card (15) is connected by video transmission cable (14) with computing machine (16).
Aforementioned calculation machine (16) also is connected with display screen (17)
The above-mentioned background imaging can be visual light imaging and infrared imaging.
Above-mentioned dichroic beam splitter (2) is made for plating ultraviolet anti-reflection film system on ultraviolet filter or saturating ultraviolet light quartz substrate.
The present invention is owing to adopted the frame mode of double light path imaging, so except can real-time monitoring the UV radiation image, also have following advantage: 1. ultraviolet image, background image are shunted to picture, can eliminate the phase mutual interference of different spectrum; 2. response speed is fast, and the conversion efficiency height of ultraviolet can detect the weak UV signal under the high light; 3. at record or when observing UV radiation, the width of cloth be can understand exactly and the position and the intensity of generation penetrated, grasp the position and the degree of discharge, fire alarm rapidly by the situation of UV radiation, improve speed and accuracy that the system failure is got rid of, effectively increase work efficiency; 4. can adopt different disposal route and program according to the concrete condition of two-way picture signal, receive best image, help aftertreatment.The present invention is that a kind of design is ingenious, compact conformation, reasonable, in light weight, simple to operate, portable pair of spectrum picture detector.Be applicable to patrolling and examining, taking photo by plane of the defeated modified line road of high pressure, fire alarm and monitoring, the detection of UV signal and accurate location, discharge research etc.
4, description of drawings:
Describe concrete structure of the present invention in detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an index path of the present invention;
Fig. 3 is the structural representation of medium ultraviolet image intensifier assembly A of the present invention.
5, embodiment:
Embodiment:
Structural representation of the present invention as shown in Figure 1, 2, include ultraviolet imagery system, background imaging system, signal pickup assembly, signal processing apparatus, wherein ultraviolet image, background image are shunted to picture, obtain the ultraviolet image signal by the ultraviolet imagery system, obtain background image signal by the background imaging system, ultraviolet image signal and background image signal are transferred to signal processing apparatus by signal pickup assembly, carry out signal Processing and stack recovery.
Above-mentioned ultraviolet imagery system includes image-forming objective lens (1), dichroic beam splitter (2), ultraviolet image intensifier assemblies A, coupled lens (9), video camera (10), the background imaging system includes image-forming objective lens (1), dichroic beam splitter (2), catoptron (11), coupled lens (12), video camera (13), image-forming objective lens (1) projects dichroic beam splitter (2) and is divided into ultraviolet light beam and background light beam, ultraviolet light beam sees through dichroic beam splitter (2) and is imaged on the input face of ultraviolet image intensifier assemblies A, image after spectrum conversion and brightness strengthen is by the video screen output of image intensifier assembly A, be coupled on the video camera (10) through coupled lens (9), the background light beam reflects through catoptron (11), be imaged on coupled lens (12), be coupled on the video camera (13) through coupled lens (12).In the present embodiment, image-forming objective lens 1 adopts the common lens or the zoom lens of ultraviolet thoroughly, infrared, visible and near ultraviolet that its transmitted spectrum covers, to guarantee the imaging effect of background image and ultraviolet image, dichroic beam splitter 2 is that plating ultraviolet anti-reflection film system is made on ultraviolet filter or saturating ultraviolet light quartz substrate, is fixed on the base with custom-designed support.The above-mentioned background imaging can be visual light imaging and infrared imaging.
Consider also to contain in the light beam bias light of environment, can form picture noise, the front end of above-mentioned ultraviolet enhancer assembly A also is equiped with ultraviolet interference filter eyeglass (3), with the ultraviolet light quality that guarantees to enter camera lens.
Above-mentioned ultraviolet image intensifier assemblies A includes booster shell (4), ultraviolet conversion screen (5), image intensifier (6), gasket ring (7), locking volution (8), ultraviolet conversion screen (5) and image intensifier (6) place in the booster shell (4), and fixing by gasket ring (7) and locking volution (8), as shown in Figure 3.Ultraviolet image booster of the present invention has dual mode: 1. adopt the image intensifier that the photocathode of ultraviolet sensitivity is made; The interference filter eyeglass see through spectrum segment at non-solar-blind band, to improve the picture element of ultraviolet image, eliminate the interference of daylight; 2. be combined into ultraviolet imaging enhancer with ultraviolet conversion screen and gleam image intensifier, its method is to constitute the ultraviolet image intensifier assemblies with doing directly to be coupled to form the ultraviolet enhancer assembly or directly the Ultraluminescence screen is produced on the input window end face of low-light booster by the fibre faceplate of ultraviolet conversion screen and low-light booster.
For guaranteeing image quality, above-mentioned image-forming objective lens (1), dichroic beam splitter (2), ultraviolet interference filter eyeglass (3), ultraviolet image intensifier assemblies A, coupled lens (9), catoptron (11), the installation axis of coupled lens (12) and the dead in line of imaging beam, coupled lens (9) and video camera (10) are installed in the rear end of booster shell (4) successively, and overall fixed is on instrument base.
Above-mentioned signal pickup assembly is video frequency collection card (15), signal processing device is changed to computing machine (16) and video frequency collection card (15) is connected by video transmission cable (14) with computing machine (16), and the signal that computing machine (16) is gathered video frequency collection card (15) by signal Processing, overlap-add is handled.
Be the composograph or the storer record that can demonstrate background and ultraviolet light, aforementioned calculation machine (16) also is connected with display screen (17).
When the present invention uses, the light that tested object sends is behind image-forming objective lens, be divided into ultraviolet light beam and background light beam by dichroic beam splitter, ultraviolet light beam sees through spectroscope, after filtering, the ultraviolet filtering mirror is imaged on the input face of ultraviolet imaging enhancer again, this ultraviolet image is finished the spectrum conversion by ultraviolet imaging enhancer and is strengthened, and exports visible images on the video screen of image intensifying, is coupled on the video camera through coupled lens; The background image light beam is by dichroic beamsplitter reflects, is coupled to video camera by catoptron, the coupled lens on another road; The two-way vision signal that imaging optical path obtains of same scenery is after image pick-up card (two cards or composite card) is gathered, be transferred to signal processor and carry out in good time denoising, shaping, convergent-divergent processing and image overlay, at last demonstrate the composograph or the storer record of background and ultraviolet light, or show simultaneously and record at display screen.For guaranteeing the accuracy of image overlay, except that in mechanism, having taked necessary adjusting gear (as: light path parallel is regulated, the image planes verticality is regulated, twist adjusting), in Flame Image Process and image overlay software, designed that reference point, benchmark picture frame are calibrated, aligned, image amplifies, dwindles the adjustment program, reached the accurate adjustment and the correction of superimposed image.Also can in display image, point out to take place the relative position and the luminous intensity of ultraviolet radiation as required, to determine the definite position and the degree of discharge or fire alarm in the mode of digital display.
Adopt the double light path imaging mode except that can real-time monitoring the UV radiation image, also have following advantage: 1. ultraviolet image, background image are shunted to picture, can eliminate the phase mutual interference of different spectrum; 2. response speed is fast, and the conversion efficiency height of ultraviolet can detect the weak UV signal (fire alarm of generally discharging all is attended by visible radiation, but is often covered by bias light, is difficult to observe under the high light background) under the high light; 3. at record or when observing UV radiation, the width of cloth be can understand exactly and the position and the intensity of generation penetrated, grasp the position and the degree of discharge, fire alarm rapidly by the situation of UV radiation, improve speed and accuracy that the system failure is got rid of, effectively increase work efficiency; 4. can adopt different disposal route (as amplification, enhancing etc.) and program according to the concrete condition of two-way picture signal, receive best image, help aftertreatment.Object lens of the present invention can manual or electronic focusing, and light intensity is controlled with aperture; There is record to show selection function; Be provided with vision signal and control signal output interface; Can adopt two kinds of power supply mode work of AC and DC, also available powered battery, easy to carry, simple to operate.
Claims (9)
1, a kind of pair of spectrum picture detector, it is characterized in that including ultraviolet imagery system, background imaging system, signal pickup assembly, signal processing apparatus, wherein ultraviolet image, background image are shunted to picture, obtain the ultraviolet image signal by the ultraviolet imagery system, obtain background image signal by the background imaging system, ultraviolet image signal and background image signal are transferred to signal processing apparatus by signal pickup assembly, carry out signal Processing and stack recovery.
2, according to claim 1 pair of spectrum picture detector, it is characterized in that above-mentioned ultraviolet imagery system includes image-forming objective lens (1), dichroic beam splitter (2), ultraviolet image intensifier assemblies A, coupled lens (9), video camera (10), the background imaging system includes image-forming objective lens (1), dichroic beam splitter (2), catoptron (11), coupled lens (12), video camera (13), image-forming objective lens (1) projects dichroic beam splitter (2) and is divided into ultraviolet light beam and background light beam, ultraviolet light beam sees through dichroic beam splitter (2) and is imaged on the input face of ultraviolet image intensifier assemblies A, image after spectrum conversion and brightness strengthen is by the video screen output of image intensifier assembly A, be coupled on the video camera (10) through coupled lens (9), the background light beam reflects through catoptron (11), be imaged on coupled lens (12), be coupled on the video camera (13) through coupled lens (12).
3, according to claim 2 pair of spectrum picture detector is characterized in that the front end of above-mentioned ultraviolet enhancer assembly A also is equiped with ultraviolet interference filter eyeglass (3).
4, according to claim 2 pair of spectrum picture detector, it is characterized in that above-mentioned ultraviolet image intensifier assemblies A includes booster shell (4), ultraviolet conversion screen (5), image intensifier (6), gasket ring (7), locking volution (8), ultraviolet conversion screen (5) and image intensifier (6) place in the booster shell (4), and fixing by gasket ring (7) and locking volution (8).
5, according to claim 2 pair of spectrum picture detector is characterized in that above-mentioned image-forming objective lens (1), dichroic beam splitter (2), ultraviolet interference filter eyeglass (3), ultraviolet image intensifier assemblies A, coupled lens (9), catoptron (11), the installation axis of coupled lens (12) and the dead in line of imaging beam.
6, according to claim 1 pair of spectrum picture detector, it is characterized in that above-mentioned signal pickup assembly is video frequency collection card (15), signal processing device is changed to computing machine (16), and video frequency collection card (15) is connected by video transmission cable (14) with computing machine (16).
7, according to claim 6 pair of spectrum picture detector is characterized in that aforementioned calculation machine (16) also is connected with display screen (17).
8, according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described pairs of spectrum picture detectors, it is characterized in that the above-mentioned background imaging can be visual light imaging and infrared imaging.
9,, it is characterized in that above-mentioned dichroic beam splitter (2) makes for plating ultraviolet anti-reflection film system on ultraviolet filter or saturating ultraviolet light quartz substrate according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described pairs of spectrum picture detectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101175838A CN100516795C (en) | 2003-12-29 | 2003-12-29 | Double spectrum image detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101175838A CN100516795C (en) | 2003-12-29 | 2003-12-29 | Double spectrum image detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1554929A true CN1554929A (en) | 2004-12-15 |
| CN100516795C CN100516795C (en) | 2009-07-22 |
Family
ID=34337877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101175838A Expired - Fee Related CN100516795C (en) | 2003-12-29 | 2003-12-29 | Double spectrum image detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100516795C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100571076C (en) * | 2006-09-20 | 2009-12-16 | 中国科学院上海光学精密机械研究所 | ultraviolet light communication system |
| CN102523389A (en) * | 2011-12-14 | 2012-06-27 | 武汉市兑尔科技有限公司 | Two-path video fusing processing device based on SOPC (system on programmable chip) and fusing method thereof |
| CN102636264A (en) * | 2012-04-27 | 2012-08-15 | 河南科技大学 | Novel hydrogen atom spectrum tester and measuring method |
| CN103868591A (en) * | 2012-12-12 | 2014-06-18 | 西安西光创威光电有限公司 | Rapid non-scan multispectral imaging system and method thereof |
| CN103983430A (en) * | 2014-04-25 | 2014-08-13 | 中国科学院长春光学精密机械与物理研究所 | Device and method for testing out-band relative spectral responsivity of solar blind ultraviolet image intensifier |
| CN105283741A (en) * | 2013-03-13 | 2016-01-27 | Csir公司 | Apparatus, methods and systems for measuring and detecting electrical discharge |
| CN105424178A (en) * | 2015-11-06 | 2016-03-23 | 中国科学院长春光学精密机械与物理研究所 | Reflecting-type double-band low-light imaging instrument |
| CN111965489A (en) * | 2020-08-21 | 2020-11-20 | 江苏立谱征光电科技有限公司 | Visual detection system and method for power transmission and distribution line faults |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311167A (en) * | 1991-08-14 | 1994-05-10 | Armtec Industries Inc. | UV/IR fire detector with dual wavelength sensing IR channel |
-
2003
- 2003-12-29 CN CNB2003101175838A patent/CN100516795C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100571076C (en) * | 2006-09-20 | 2009-12-16 | 中国科学院上海光学精密机械研究所 | ultraviolet light communication system |
| CN102523389A (en) * | 2011-12-14 | 2012-06-27 | 武汉市兑尔科技有限公司 | Two-path video fusing processing device based on SOPC (system on programmable chip) and fusing method thereof |
| CN102636264A (en) * | 2012-04-27 | 2012-08-15 | 河南科技大学 | Novel hydrogen atom spectrum tester and measuring method |
| CN103868591A (en) * | 2012-12-12 | 2014-06-18 | 西安西光创威光电有限公司 | Rapid non-scan multispectral imaging system and method thereof |
| CN105283741A (en) * | 2013-03-13 | 2016-01-27 | Csir公司 | Apparatus, methods and systems for measuring and detecting electrical discharge |
| JP2016521346A (en) * | 2013-03-13 | 2016-07-21 | シーエスアイアール | Apparatus, method and system for measuring and detecting discharges |
| CN105283741B (en) * | 2013-03-13 | 2018-05-29 | Csir公司 | For measuring and detecting the device, method and system of electrical discharge |
| CN103983430A (en) * | 2014-04-25 | 2014-08-13 | 中国科学院长春光学精密机械与物理研究所 | Device and method for testing out-band relative spectral responsivity of solar blind ultraviolet image intensifier |
| CN105424178A (en) * | 2015-11-06 | 2016-03-23 | 中国科学院长春光学精密机械与物理研究所 | Reflecting-type double-band low-light imaging instrument |
| CN111965489A (en) * | 2020-08-21 | 2020-11-20 | 江苏立谱征光电科技有限公司 | Visual detection system and method for power transmission and distribution line faults |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100516795C (en) | 2009-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102230952B (en) | Corona detection method based on ultraviolet photons | |
| TW512286B (en) | Real-time opto-electronic image processor | |
| JP2001349829A (en) | Gas monitoring device | |
| CN100516795C (en) | Double spectrum image detector | |
| JPH09178566A (en) | Method and apparatus for displaying thermal image | |
| CN210222295U (en) | Optical fiber collimator adapter integrating light condensation and light filtering | |
| CN105372564A (en) | Ultraviolet imaging corona detection method and device | |
| CN110018122A (en) | Camouflage painting material testing apparatus and method based on multi-optical spectrum imaging technology | |
| CN110161374A (en) | A kind of day blind ultraviolet imagery background Xanthophyll cycle optical system and method | |
| CN102004308B (en) | Multi-spectral imaging method and device for cassegrain telescope | |
| CN106254796A (en) | A kind of iraser laser spot detection imaging device based on iconoscope and method | |
| CN107518879A (en) | A kind of fluoroscopic imaging device and method | |
| JPH01320441A (en) | Color brightness meter | |
| US6114683A (en) | Plant chlorophyll content imager with reference detection signals | |
| CN107782448B (en) | Novel imaging spectrometer and construction method of data cube thereof | |
| CN104754250B (en) | The method of infrared imaging evidence-obtaining system and its correction image planes drift based on acousto-optic tunable filter | |
| CN102680100A (en) | Portable type trace detection spectral imager | |
| CN104729705B (en) | Backlight detection means | |
| CN112633080A (en) | Automatic detection system and detection method for passenger virus exposure in vehicle for highway access | |
| CN210894572U (en) | Power grid monitoring ultraviolet camera and power grid electric spark discharge point remote detection system | |
| CN106454076A (en) | Collection apparatus for enhancing object image information by using spectral information | |
| CN214374364U (en) | Defect detection device based on optical imaging | |
| CN204598152U (en) | Based on the infrared imaging evidence-obtaining system of acousto-optic tunable filter | |
| JPH08105799A (en) | Color classification device | |
| CN209311704U (en) | A kind of thermal imaging fusion night vision device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20100129 |