CN101282428A - Continuous zooming non-refrigeration infrared thermal imaging instrument - Google Patents
Continuous zooming non-refrigeration infrared thermal imaging instrument Download PDFInfo
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- CN101282428A CN101282428A CNA2008100157106A CN200810015710A CN101282428A CN 101282428 A CN101282428 A CN 101282428A CN A2008100157106 A CNA2008100157106 A CN A2008100157106A CN 200810015710 A CN200810015710 A CN 200810015710A CN 101282428 A CN101282428 A CN 101282428A
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Abstract
The invention belongs to monitoring device field, particularly to a zoom uncooled infrared thermal imaging instrument. The technical solution is: the zoom uncooled infrared thermal imaging instrument includes a casing, an infrared thermal imaging lens and thermal imaging assembly installed inside the casing, the infrared thermal imaging lens is a zoom infrared imaging lens, the thermal imaging assembly is uncooled focal plane array, the imaging waveband is in range of 8 to 14 micrometers. Use of the zoom lens facilitates optical magnification and minification for one object, both large-scale searching and object magnified recognition can be performed by using one lens, which is convenient for monitoring, meanwhile, use of the uncooled imaging assembly reduces cost and volume of the thermal imaging instrument, which also reduces complexity and power consumption.
Description
Technical field
The invention belongs to field of monitoring devices, be specifically related to a kind of uncooled ir thermal imaging system of continuous vari-focus.
Background technology
In complete passive monitoring field, need to use the thermal imaging system in no illumination light source.Two kinds of thermal imaging systems are arranged at present: 1, refrigeration thermal imaging system, the refrigeration thermal imaging system need use huge refrigeration plant, and power consumption is big, complex structure.2, non-refrigeration thermal imaging system, non-refrigeration thermal imaging system need use bigbore camera lens, difficult design.In the world, leading with the non-refrigeration thermal imaging of U.S. France, country such as Britain, Japan, Holland is also in the non-refrigeration thermal imaging of positive development.Compare with world standard, China's gap with external aspect non-refrigeration thermal imaging is still very big.
The tight shot that existing infrared thermography all adopts, novel 02232857.2 as practicality, use is a tight shot.Adopt tight shot not dwindle to the amplification that specific scenery carries out optics.The thermal infrared imager that also has double-view field in addition has only the imaging of two focal lengths energy clear, and cause losing of target easily in the process of switching.
Summary of the invention
The present invention be directed to the existing in prior technology shortcoming, adopt continuous magnification lens and in conjunction with the technical scheme of the infrared thermography of non-refrigeration thermal imaging continuous vari-focus and provide a kind of.
The present invention realizes by following technical measures: it comprises housing, be installed in infrared imaging camera lens and thermal imaging assembly in the housing, described infrared imaging camera lens is a continuous vari-focus infrared imaging camera lens, and described thermal imaging assembly is the non-refrigeration focal surface array, and the imaging wave band is 8～14 microns.The use of zoom lens, be convenient to same object is carried out the amplification of optics and dwindles, use same camera lens to search on a large scale, can carry out target again and amplify identification, be convenient to monitoring, the use of non-refrigeration image-forming assembly has simultaneously reduced the cost and the volume size of thermal imaging system, has reduced its complexity, power consumption.
The F number of above-mentioned continuous vari-focus infrared imaging camera lens is 1.0, it comprises 6 eyeglasses, be followed successively by from front to back: fixing bent moon convex lens sheet, movably recessed meniscus lens sheet and concace mirror lens, movably convex lens sheet, the fixing male bend moon lens and movably the male bend moon lens, wherein zoom cam set mechanism drives recessed meniscus lens sheet and the concace mirror lens same moved further of following cam path in the cam mechanism, drives convex lens sheet simultaneously and moves along the epirelief race in the cam mechanism; Focus on the focal position of cam mechanism driving male bend moon lens change camera lens.The present invention realizes that by a spot of eyeglass the F number reaches 1.0 heavy caliber camera lens, and can realize continuous vari-focus, and it has reduced cost.
Above-mentioned concace mirror lens is the zinc selenide lens, bent moon convex lens sheet, recessed meniscus lens sheet, convex lens sheet, the male bend moon lens and the male bend moon lens be germainium lens.The present invention adopts germanium and zinc selenide eyeglass, can see through long-wave infrared, and wave band reaches 8～14 microns, and the aberration of imaging has been lowered in the employing of zinc selenide material, has improved image quality.
Above-mentioned zoom cam mechanism comprises zoom cam, the zoom transmission component that is connected with the zoom cam, the zoom cam is provided with two cam paths, recessed meniscus lens sheet and concace mirror lens are fixedly mounted on the same mirror holder, mirror holder is slidingly mounted on the guide post, be fixed with sliding bar on the mirror holder, sliding bar slides and is flush-mounted in the epirelief race of zoom cam; Also be slidingly fitted with the mirror holder of fixed installation convex lens sheet on the guide post, be fixed with sliding bar on this mirror holder, sliding bar is slidingly mounted in the following cam path of zoom cam.Focus on cam mechanism and comprise the focusing transmission component that focuses on cam, is connected with the focusing cam, focus on cam and be provided with cam path, the male bend moon, lens was fixedly mounted on the mirror holder, was fixed with sliding bar on the mirror holder, and sliding bar is slidingly mounted in the cam path that focuses on cam.The use of cam mechanism has improved the positioning accuracy of eyeglass, has reduced error, has improved image quality; Control two set of contact lenses by the trend of the cam path on cam and the cam and relatively move, carry out the mechanical compensation of optical imagery, make camera lens in the process of zoom, each focal length imaging is clear.
The focusing of above-mentioned infrared imaging camera lens and focusing are by external signal control, and electronic continuous adjustment is convenient to control the object blur-free imaging different to distance.
Further improvement of the present invention also has, and housing is reinforced sealing, interior inflated with nitrogen, and it has rainproof anticorrosion, is easy to install and use.
Above-mentioned image-forming assembly is connected with control circuit board, and control circuit board is connected with the aviation plug that is arranged on outside.By this mechanism imaging is exported, realize monitoring.
The concrete parameter of 6 eyeglasses can design as follows among the present invention:
Adopt above-mentioned concrete parameter can realize the variation adjustment of focal length in 50～150mm scope, realize 3 Zoom Lens.
The beneficial effect of this programme can be learnt according to the narration to such scheme, and compact integral structure is easy to install and use, and can carry out round the clock passive monitoring fully continuously, can use under complete black night and severe weather conditions.
Description of drawings
Fig. 1 is the structural representation of the continuous vari-focus of the specific embodiment of the invention.
Fig. 2 is the structural representation of zoom cam in the specific embodiment of the invention.
Fig. 3 is the structural representation that focuses on cam in the specific embodiment of the invention.
Among the figure, 1, continuous vari-focus infrared imaging camera lens, 2, the thermal imaging assembly, 3, housing, 4, control circuit board, 5, focus on transmission component, 6, the zoom transmission component, 7, aviation plug, 8, the bent moon convex lens sheet, 9, recessed meniscus lens sheet, 10, concace mirror lens, 11, convex lens sheet, 12, the male bend moon lens 13, the male bend moon lens, 14, the zoom cam mechanism, 15, focus on cam mechanism, 16, the epirelief race, 17, cam path, 19, the zoom cam, 20, focus on cam, 21, following cam path, 22, mirror holder, 23, guide post, 24, sliding bar, 25, sliding bar, 26, sliding bar, 27, mirror holder, 28, mirror holder.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by an embodiment.
The present invention is the infrared thermography of continuous vari-focus, as Fig. 1, Fig. 2, shown in Figure 3, it comprises housing 3, be installed in infrared imaging camera lens and thermal imaging assembly 2 in the housing 3, described infrared imaging camera lens is a continuous vari-focus infrared imaging camera lens 1, described thermal imaging assembly 2 is the non-refrigeration focal surface array, and the imaging wave band is 8～14 microns.The F number of continuous vari-focus infrared imaging camera lens 1 is 1.0, it comprises 6 eyeglasses, be followed successively by from front to back: fixing bent moon convex lens sheet 8, movably recessed meniscus lens sheet 9 and concace mirror lens 10, movably convex lens sheet 11, the fixing male bend moon lens 12 and movably the male bend moon lens 13, wherein zoom cam set mechanism 14 recessed meniscus lens sheets 9 of drive and concace mirror lens 10 drive convex lens sheet 11 simultaneously and move along the epirelief race in the zoom cam 19 along the same moved further of following cam path of zoom cam 19; Focus on cam mechanism 15 and drive 13 focal positions that change camera lens of male bend moon lens.Wherein, concace mirror lens 10 is the zinc selenide lens, bent moon convex lens sheet 8, recessed meniscus lens sheet 9, convex lens sheet 11, the male bend moon lens 12 and the male bend moon lens 13 be germainium lens.Wherein, zoom cam machine 14 comprises zoom cam 19, the zoom transmission component 6 that is connected with zoom cam 19, zoom cam 19 is provided with two cam paths 21, recessed meniscus lens sheet 8 and concace mirror lens 10 are fixedly mounted on the same mirror holder 27, mirror holder 27 is slidingly mounted on the guide post 23, be fixed with sliding bar 24 on the mirror holder 27, sliding bar 24 slides and is flush-mounted in the epirelief race 16 of zoom cam 19; Also be slidingly fitted with the mirror holder 27 of fixed installation convex lens sheet 11 on the guide post 23, be fixed with sliding bar 25 on this mirror holder 27, sliding bar 25 is slidingly mounted in the following cam path 21 of zoom cam 19.Focus on cam mechanism 15 and comprise the focusing transmission component 5 that focuses on cam 20, is connected with focusing cam 20, focus on cam 20 and be provided with cam path 17, the male bend moon, lens 13 was fixedly mounted on the mirror holder 28, be fixed with sliding bar 26 on the mirror holder 28, sliding bar 26 is slidingly mounted in the cam path 17 that focuses on cam 20.The focusing of continuous vari-focus infrared imaging camera lens 1 and focusing are by external signal control, and electronic continuous adjustment specifically can be designed as and can receive 485 or 232 signals.
Above-mentioned housing 3 is reinforced sealing, interior inflated with nitrogen; Image-forming assembly 2 is connected with control circuit board 4, and control circuit board 4 is connected with the aviation plug 7 that is arranged on housing 3 outsides.
Wherein, the design parameter of 6 of continuous vari-focus infrared imaging camera lens eyeglasses is as follows:
The present invention can pass through existing techniques in realizing without the technical characterictic of describing; certainly; above-mentioned explanation is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (9)
1, a kind of uncooled ir thermal imaging system of continuous vari-focus, it comprises housing [3], be installed in infrared imaging camera lens and thermal imaging assembly in the housing [3], it is characterized in that, described infrared imaging camera lens is a continuous vari-focus infrared imaging camera lens [1], described thermal imaging assembly [2] is the non-refrigeration focal surface array, and the imaging wave band is 8～14 microns.
2, the uncooled ir thermal imaging system of continuous vari-focus according to claim 1, it is characterized in that, the F number of described continuous vari-focus infrared imaging camera lens [1] is 1.0, it comprises 6 eyeglasses, be followed successively by from front to back: fixing bent moon convex lens sheet [8], movably recessed meniscus lens sheet [9] and concace mirror lens [10], convex lens sheet [11] movably, fixing male bend moon lens [12] and male bend moon lens [13] movably, wherein zoom cam set mechanism [14] drives recessed meniscus lens sheet [9] and the same moved further of concace mirror lens [10], drives convex lens sheet [11] simultaneously and moves; Focus on cam mechanism [15] and drive the focal position that male bend moon lens [13] changes camera lens.
3, the uncooled ir thermal imaging system of continuous vari-focus according to claim 2, it is characterized in that, described concace mirror lens [10] is the zinc selenide lens, and bent moon convex lens sheet [8], recessed meniscus lens sheet [9], convex lens sheet [11], male bend moon lens [12] and male bend moon lens [13] are germainium lens.
4, the uncooled ir thermal imaging system of continuous vari-focus according to claim 2, it is characterized in that, described zoom cam mechanism [14] comprises zoom cam [19], the zoom transmission component [6] that is connected with zoom cam [19], zoom cam [19] is provided with two cam paths [21], recessed meniscus lens sheet [8] and concace mirror lens [10] are fixedly mounted on the same mirror holder [27], mirror holder [27] is slidingly mounted on the guide post [23], be fixed with sliding bar [24] on the mirror holder [27], sliding bar [24] slides and is flush-mounted in the epirelief race [16] of zoom cam [19]; Also be slidingly fitted with the mirror holder [27] of fixed installation convex lens sheet [11] on the guide post [23], be fixed with sliding bar [25] on this mirror holder [27], sliding bar [25] is slidingly mounted in the following cam path [21] of zoom cam [19].
5, the uncooled ir thermal imaging system of continuous vari-focus according to claim 2, it is characterized in that, described focusing cam mechanism [15] comprises the focusing transmission component [5] that focuses on cam [20], is connected with focusing cam [20], focus on cam [20] and be provided with cam path [17], male bend moon lens [13] is fixedly mounted on the mirror holder [28], be fixed with sliding bar [26] on the mirror holder [28], sliding bar [26] is slidingly mounted in the cam path [17] that focuses on cam [20].
6, the uncooled ir thermal imaging system of continuous vari-focus according to claim 1 is characterized in that, the focusing of described continuous vari-focus infrared imaging camera lens [1] and focusing are by external signal control, electronic continuous adjustment.
7, the uncooled ir thermal imaging system of continuous vari-focus according to claim 1 is characterized in that, described housing [3] is reinforced sealing, interior inflated with nitrogen.
8, the uncooled ir thermal imaging system of continuous vari-focus according to claim 1 is characterized in that, described thermal imaging assembly [2] is connected with control circuit board [4], and control circuit board [4] aviation plug [7] outside with being arranged on housing [3] is connected.
9, the uncooled ir thermal imaging system of continuous vari-focus according to claim 2 is characterized in that, the design parameter of 6 eyeglasses of described continuous vari-focus infrared imaging camera lens is as follows:
Preceding curvature of face back curvature solid material and intermediate air layer
Thickness (mm) thickness (mm)
Bent moon convex lens sheet 183.75 287.85 germanium 11 100.86
Recessed meniscus lens sheet 67.81 52.62 germanium 45
Concace mirror lens-145.75 509.81 zinc selenide 45
Convex lens sheet 225.74 1282.9 germanium 6 21.83
The male bend moon lens 52.94 57.7 germanium 8 35.14
The male bend moon lens 50.7 74.38 germanium 6 23.5
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100157106A CN100562075C (en) | 2008-04-24 | 2008-04-24 | The uncooled ir thermal imaging system of continuous vari-focus |
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| CNB2008100157106A CN100562075C (en) | 2008-04-24 | 2008-04-24 | The uncooled ir thermal imaging system of continuous vari-focus |
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| CN101282428A true CN101282428A (en) | 2008-10-08 |
| CN100562075C CN100562075C (en) | 2009-11-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620312B (en) * | 2009-05-21 | 2010-09-29 | 北京波谱华光科技有限公司 | Long-wave infrared continuous zoom lens |
| CN104267484A (en) * | 2014-02-20 | 2015-01-07 | 山东神戎电子股份有限公司 | Small size uncooled dual-field-of-view infrared optical system |
| CN104656252A (en) * | 2015-02-13 | 2015-05-27 | 西安建筑科技大学 | Large-aperture infrared imaging device provided with oblique elements |
| CN108063885A (en) * | 2017-12-14 | 2018-05-22 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of airborne camera structure |
-
2008
- 2008-04-24 CN CNB2008100157106A patent/CN100562075C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620312B (en) * | 2009-05-21 | 2010-09-29 | 北京波谱华光科技有限公司 | Long-wave infrared continuous zoom lens |
| CN104267484A (en) * | 2014-02-20 | 2015-01-07 | 山东神戎电子股份有限公司 | Small size uncooled dual-field-of-view infrared optical system |
| CN104267484B (en) * | 2014-02-20 | 2017-01-25 | 山东神戎电子股份有限公司 | Small size uncooled dual-field-of-view infrared optical system |
| CN104656252A (en) * | 2015-02-13 | 2015-05-27 | 西安建筑科技大学 | Large-aperture infrared imaging device provided with oblique elements |
| CN108063885A (en) * | 2017-12-14 | 2018-05-22 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of airborne camera structure |
| CN108063885B (en) * | 2017-12-14 | 2020-04-28 | 中国航空工业集团公司上海航空测控技术研究所 | Airborne camera structure |
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|---|---|
| CN100562075C (en) | 2009-11-18 |
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Denomination of invention: Continuous zoom uncooled infrared thermal imager Effective date of registration: 20230911 Granted publication date: 20091118 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: SHANDONG SHEENRUN OPTICS & ELECTRONICS Co.,Ltd. Registration number: Y2023980056126 |