CN105115602B - A kind of focusing component of sweeping type spectrometer - Google Patents
A kind of focusing component of sweeping type spectrometer Download PDFInfo
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- CN105115602B CN105115602B CN201510565012.3A CN201510565012A CN105115602B CN 105115602 B CN105115602 B CN 105115602B CN 201510565012 A CN201510565012 A CN 201510565012A CN 105115602 B CN105115602 B CN 105115602B
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Abstract
The invention discloses a kind of focusing component of sweeping type spectrometer, it includes imaging lens, fixed lens support, manual focusing handwheel, translation mechanism and focusing motor；Imaging lens are connected by fixed lens support with translation mechanism；The bearing of focusing motor is connected by first shaft coupling with automatic focusing push rod；The rotary shaft of manual focusing handwheel is connected by second shaft coupling with manual focusing push rod；First shaft coupling and second shaft coupling are connected by fixture with fixed camera base；Beneficial effects of the present invention are：It is simple in construction, it is light, the stabilization after focal position adjustment is ensure that, the spatial resolution and spectral resolution of imaging system is improved, scanning field of view scope can also be accordingly increased；The functions such as automatic focusing and automatic exposure can not only be quickly finished, moreover it is possible to be adjusted from row by manual mode, it is easy to use, a variety of be actually needed can be met.
Description
Technical field
The present invention relates to a kind of focusing component, more particularly to a kind of focusing component of sweeping type spectrometer.
Background technology
The development experience of remote sensing technology is panchromatic（Black and white）, colored shooting, after multispectral scanner imaging session, in previous generation
The imaging spectral technology of discipline appearance at the initial stage eighties, makes optical remote sensing enter a brand-new stage --- high-spectrum remote-sensing rank
Section.So-called high-spectrum remote-sensing refers to remote sensing science and technology with high spectral resolution, and imaging spectral technology is used
Imaging spectrometer can in the ultraviolet of electromagnetic spectrum, visible ray, near-infrared and short-wave infrared region, obtain it is many very narrow and
The continuous view data of spectrum.Imaging spectrometer provides the spectral information of tens of to hundreds of narrow-bands for each pixel, by
This and constitute a complete and continuous curve of spectrum.Imaging spectrometer is by the various atural objects observed in field range with complete
The curve of spectrum record, and it is the multidisciplinary work to be carried out that recorded data, which is analyzed and processed, and studied.
Hyperspectral technique is an emerging cross discipline, sets up on the basis of the technologies such as sensor, computer, is related to
To EM theory, spectroscopy and colorimetry, physics/geometric optics, electronic engineering, informatics, geography, agronomy, air section
The multi-door subject such as, oceanography.EM theory is then the physical basis of remote sensing technology, the phase interaction of electromagnetic wave and terrestrial materials
Received, analyzed with mode in different medium of mechanism, electromagnetic wave and to it is comprehensive each door subject and technology
Where core.For the different spectral signatures of different atural objects, atural object can be efficiently differentiated and recognized using high spectrum image, because
And be widely used in Atmospheric Survey, medical diagnosis, material classification and target identification, land resources, ecology, environmental monitoring and
In urban remote sensing.
The image-forming principle of optical spectrum imagers is:Captured after testee is by camera lens by spectrum camera, obtain one one
The image of dimension and corresponding spectral information, and when automatically controlled mobile platform（Or conveyer belt）When drive sample is continuously run, then can
Access the continuous one-dimensional image and real-time spectral information of sample object thing, and all data are counted in the process
Calculation machine software is recorded, final to obtain a three-dimensional data cube for containing image information and spectral information.
The scan mode of optical spectrum imagers is divided into two kinds, and one kind is slit scan mode, and one kind is rotating mirror scanning mode.
Push away the type imaging spectrometer of sweeping and use slit scan mode, sweeping type imaging spectrometer uses rotating mirror scanning
Mode；Sweeping type imaging spectrometer is travelled forward by ray machine or so sweeping and flying platform completes two-dimensional space imaging, sweeping type
Imaging spectrometer with pushing away compared to type imaging spectrometer is swept, and its visual field is big, and pixel registration is good, and calibration is convenient, and data stability is good,
Spectral band scope can be made wide.
Due to imaging spectral between the focusing component of existing sweeping type imaging spectrometer, structure bulky, complexity, each part
Certain offset deviation can occur for the vibrations in instrument running, the stabilization after focal position adjustment be have impact on, so as to reduce
The spatial resolution and spectral resolution of sweeping type imaging spectrometer, and manufacturing process bothers very much, and cost and its high resists
Hit that power is weaker to be easily damaged.
The content of the invention
Instant invention overcomes the deficiencies in the prior art there is provided a kind of focusing component of sweeping type spectrometer, it is simple in construction,
It is light, the stabilization after focal position adjustment is ensure that, the spatial resolution and spectral resolution of imaging system is improved；Can not only
Quickly finish the functions such as automatic focusing and automatic exposure, moreover it is possible to be adjusted from row by manual mode, it is easy to use,
A variety of be actually needed can be met.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of focusing component of sweeping type spectrometer, it not only includes imaging lens, also including fixed lens support, manually
Focusing handwheel, translation mechanism and focusing motor；The imaging lens are connected by fixed lens support with translation mechanism；It is described to adjust
The bearing of burnt motor is connected by first shaft coupling with automatic focusing push rod；The rotary shaft of the manual focusing handwheel passes through second
Shaft coupling is connected with manual focusing push rod；First shaft coupling and second shaft coupling pass through fixture and fixed camera base phase
Even.
Further, described translation mechanism includes being provided with slip on sliding block and guiderail base, the guiderail base
Guide rail, the fixed lens support is connected with the sliding block, and the guiderail base is connected with fixed camera base；The fixture
Spring is provided between the fixed lens support.
Further, the side of the fixed lens support 5 is provided with mechanical position limitation, and the mechanical position limitation is provided with
One stopper slot and the second stopper slot, first stopper slot are connected with fixed lens support 5, second stopper slot and stationary phase
Machine base is connected.
Further, the fixed lens support, first shaft coupling, second shaft coupling, fixed camera base, translation machine
Structure and fixture are metal structure.
Further, be provided with sweep mechanism in front of described imaging lens, the sweep mechanism include scanning mirror,
Plane mirror and scan module.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention is simple in construction, light, resists power by force, spring is mutual with manual focusing push rod/manual focusing push rod
Effect ensure that the stabilization after focal position adjustment, improve the spatial resolution and spectral resolution of imaging system.
What 2. focus adjusting mechanism was completed separately through a focusing motor, and rotating mirror scanning mechanism is by other one
Individual scan module according to the actual requirements, can like this carry out the operation selection of Suresh Kumar come what is realized.
3. the functions such as automatic focusing and automatic exposure can not only be quickly finished, moreover it is possible to by manual mode from traveling
Row adjustment, it is easy to use, a variety of be actually needed can be met.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is schematic structural view of the invention.
Fig. 2 is focusing component of the present invention and sweep mechanism structural representation.
In figure marked as：1st, scanning mirror；2nd, plane mirror；3rd, scan module；4th, imaging lens；5th, fixed lens
Support；6th, manual focusing handwheel；61st, rotary shaft；62nd, second shaft coupling；63rd, manual focusing push rod；7th, translation mechanism；71st, it is sliding
Block；72nd, guiderail base；73rd, rail plate；8th, focusing motor；81st, first shaft coupling；82nd, automatic focusing push rod；9th, spring；
10th, fixture；11st, fixed camera base；12nd, mechanical position limitation；121st, the first stopper slot；122nd, the second stopper slot.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.Embodiments of the present invention include but is not limited to following reality
Apply example.
[embodiment 1]
A kind of focusing component of sweeping type spectrometer as shown in Figure 1 and Figure 2, it includes imaging lens 4, also including fixation
Lens bracket 5, manual focusing handwheel 6, translation mechanism 7 and focusing motor 8；The imaging lens 4 by fixed lens support 5 with
Translation mechanism 7 is connected；The bearing of the focusing motor 8 is connected by first shaft coupling 81 with automatic focusing push rod 82；The hand
The rotary shaft 61 of dynamic focusing handwheel 6 is connected by second shaft coupling 62 with manual focusing push rod 63；First shaft coupling 81 and second
Shaft coupling 62 is connected by fixture 10 with fixed camera base 11；Described translation mechanism 7 includes sliding block 71 and guide rail bottom
Rail plate 73 is provided with seat 72, the guiderail base 72, the fixed lens support 5 is connected with the sliding block 71, described
Guiderail base 72 is connected with fixed camera base 11；Spring is provided between the fixture 10 and the fixed lens support 5
9。
Run in focusing motor 8, the rotary motion of the bearing for motor 8 of focusing is changed into automatic focusing and pushed away by first shaft coupling 81
The linear motion of bar 82, automatic focusing push rod 82 promotes fixed lens support 5 to be run by sliding block 71 on rail plate 73；Bullet
Spring 9 enables fixed lens support 5 all the time towards original state, i.e., opposite with its traffic direction to 5 one, fixed lens support
Active force, so under the promotion of spring 9 and automatic focusing push rod 82, fixed lens support 5 can drive imaging lens 4 in cunning
Moved reciprocatingly on dynamic guide rail 73；Similarly, manual actuation manual focusing handwheel 6, second shaft coupling 81 is by manual focusing handwheel 6
The rotary motion of rotary shaft 61 is changed into the linear motion of manual focusing push rod 63, and manual focusing push rod 63 makes fixed mirror with spring 9
Head bracket 5 can drive imaging lens 4 to be moved reciprocatingly on rail plate 73.
The present embodiment is simple in construction, light, the interaction of spring 9 and the manual focusing push rod 63 of automatic focusing push rod 82/
The stabilization after focal position adjustment is ensure that, the spatial resolution and spectral resolution of imaging system is improved；The present embodiment is not
It is only capable of quickly finishing the functions such as automatic focusing and automatic exposure, moreover it is possible to be adjusted, use from row by manual mode
It is convenient, a variety of be actually needed can be met.
[embodiment 2]
The present embodiment has done further improvement on the basis of embodiment 1, a kind of sweeping type light as shown in Figure 1 and Figure 2
The focusing component of spectrometer, the side of the fixed lens support 5 is provided with mechanical position limitation 12, and the mechanical position limitation 12 is provided with
One stopper slot 121 and the second stopper slot 122, first stopper slot 121 are connected with fixed lens support 5, and described second is spacing
Groove 122 and fixed camera base 11 are connected, and limit switches are set on fixed lens support 5, when fixed lens support 5 run to
During the end points of the first stopper slot 121, lens bracket 5 will not rerun, and this kind improvement can be such that imaging lens 4 operate in all the time can
Within the stroke range of control, it is ensured that the normal operation of focusing component.
[embodiment 3]
The present embodiment has done further improvement on the basis of embodiment 1, a kind of sweeping type light as shown in Figure 1 and Figure 2
The focusing component of spectrometer is the fixed lens support 5, first shaft coupling 81, second shaft coupling 62, fixed camera base 11, flat
Telephone-moving structure 7 and fixture 10 are metal structure, add the fastness and resistance property of the present embodiment.
[embodiment 4]
The present embodiment has done further improvement on the basis of embodiment 1, a kind of sweeping type light as shown in Figure 1 and Figure 2
The focusing component of spectrometer, the described front of imaging lens 4 is provided with sweep mechanism, and the sweep mechanism includes scanning mirror 1, put down
Face speculum 2 and scan module 3；What the present embodiment focus adjusting mechanism was completed separately through a focusing motor, and rotating mirror scanning
Mechanism is realized by another scan module again, according to the actual requirements, can like this carry out the behaviour of Suresh Kumar
Elect.
It is embodiments of the invention as described above.The present invention is not limited to the above-described embodiments, and anyone should learn
The structure change made under the enlightenment of the present invention, it is every that there is same or like technical scheme with of the invention, each fall within this
Within the protection domain of invention.
Claims (3)
1. a kind of focusing component of sweeping type spectrometer, it includes imaging lens（4）, it is characterised in that：It also includes fixed mirror
Head bracket（5）, manual focusing handwheel（6）, translation mechanism（7）And focusing motor（8）；The imaging lens（4）Pass through fixed mirror
Head bracket（5）With translation mechanism（7）Connection；The focusing motor（8）Bearing pass through first shaft coupling（81）With automatic focusing
Push rod（82）It is connected；The manual focusing handwheel（6）Rotary shaft (61) pass through second shaft coupling（62）With manual focusing push rod
（63）It is connected；First shaft coupling（81）And second shaft coupling（62）Pass through fixture (10) and fixed camera base（11）Phase
Even；Described translation mechanism（7）Including sliding block（71）And guiderail base（72）, the guiderail base（72）On be provided with slip and lead
Rail（73）, the fixed lens support（5）With the sliding block（71）It is connected, the guiderail base（72）With fixed camera base
（11）It is connected；The fixture（10）With the fixed lens support（5）Between be provided with spring（9）；The fixed lens branch
Frame（5）Side be provided with mechanical position limitation（12）, the mechanical position limitation（12）It is provided with the first stopper slot（121）It is spacing with second
Groove（122）, first stopper slot（121）With fixed lens support（5）It is connected, second stopper slot（122）With stationary phase
Machine base（11）It is connected.
2. a kind of focusing component of sweeping type spectrometer according to claim 1, it is characterised in that：The fixed lens branch
Frame（5）, first shaft coupling（81）, second shaft coupling（62）, fixed camera base（11）, translation mechanism（7）And fixture（10）
It is metal structure.
3. a kind of focusing component of sweeping type spectrometer according to claim 1, it is characterised in that：Described imaging lens
（4）Front is provided with sweep mechanism, and the sweep mechanism includes scanning mirror（1）, plane mirror（2）And scan module（3）.
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| CN201510565012.3A CN105115602B (en) | 2015-09-08 | 2015-09-08 | A kind of focusing component of sweeping type spectrometer |
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| CN201510565012.3A CN105115602B (en) | 2015-09-08 | 2015-09-08 | A kind of focusing component of sweeping type spectrometer |
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| CN105115602B true CN105115602B (en) | 2017-07-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486405A (en) * | 2016-01-12 | 2016-04-13 | 天津纳正科技有限公司 | Focus-adjustable spectrometer |
| CN107238437A (en) * | 2017-06-12 | 2017-10-10 | 中国科学院西安光学精密机械研究所 | A kind of auto-focusing hyperspectral imager |
| CN107931861A (en) * | 2017-11-30 | 2018-04-20 | 大族激光科技产业集团股份有限公司 | Laser cutting machine |
| CN108332852B (en) * | 2018-05-09 | 2024-02-13 | 北京证鸿科技有限公司 | Working method of centering adjusting device of OCT spectrometer camera |
| CN108871574A (en) * | 2018-06-25 | 2018-11-23 | 首都师范大学 | high spectrum imaging method, device and system |
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| CN201203694Y (en) * | 2008-06-05 | 2009-03-04 | 济宁鲁科检测器材有限公司 | Ganged focusing device for spectrometer |
| CN101685190A (en) * | 2005-01-12 | 2010-03-31 | 特里伯耶拿有限公司 | Positioning device |
| CN102436055A (en) * | 2011-11-08 | 2012-05-02 | 中国科学院长春光学精密机械与物理研究所 | High-precision light focusing mechanism applied to space optical remote sensor |
| CN103235392A (en) * | 2013-04-28 | 2013-08-07 | 哈尔滨工业大学 | High-throughput large-aperture high-precision lens four-dimensional on-line focus controlling device |
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| CN101685190A (en) * | 2005-01-12 | 2010-03-31 | 特里伯耶拿有限公司 | Positioning device |
| CN201203694Y (en) * | 2008-06-05 | 2009-03-04 | 济宁鲁科检测器材有限公司 | Ganged focusing device for spectrometer |
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Address after: 58-1-108, Feihong Road, Nanhu Avenue, Liangxi District, Wuxi City, Jiangsu Province, 214000 Patentee after: Jiangsu Shuangli Hepu Technology Co.,Ltd. Address before: No.18 Xingguang Middle Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan 610199 Patentee before: SICHUAN DUALIX SPECTRAL IMAGING TECHNOLOGY Co.,Ltd. |