CN103439256A - Ground object spectrometry expansion bracket with video system and laser positioning system - Google Patents
Ground object spectrometry expansion bracket with video system and laser positioning system Download PDFInfo
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- CN103439256A CN103439256A CN201310351011XA CN201310351011A CN103439256A CN 103439256 A CN103439256 A CN 103439256A CN 201310351011X A CN201310351011X A CN 201310351011XA CN 201310351011 A CN201310351011 A CN 201310351011A CN 103439256 A CN103439256 A CN 103439256A
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- expansion bracket
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Abstract
The invention relates to a ground object spectrometry expansion bracket with a video system and a laser positioning system. The expansion bracket comprises the video system, the laser positioning system, a spectrometry system and an expansion bracket, wherein the expansion bracket is composed of a vertical rod and a horizon bar; when used, the expansion bracket is T-shaped and stands on the ground; a camera in the video system, a laser pen of the laser positioning system and a spectrometry probe in the spectrometry system are all mounted at the same end of the horizon bar of the expansion bracket; the camera, the laser pen and the spectrometry probe are vertically downward and arranged in parallel. The expansion bracket is convenient to carry, can be used for accurately positioning the ground object when performing field spectrometry, is connected with a computer through a USB (universal serial bus), and performs video recording when carrying out spectrometry. The obtained data is accurate, reliable and high in confidence level.
Description
Technical field
While the present invention relates to spectroscopic assay, use support equipment, relate to specifically a kind of object spectrum with video system and laser orientation system and measure expansion bracket, when this expansion bracket coordinates concerning of the biochemical parameters that is particularly suitable for vegetation and Remote Spectra with spectrometer, spectroscopic assay and vegetation are sampled and locate.
Background technology
While plant leaf surface etc. being carried out to spectroscopic assay in the wild, the location of measuring target has a strong impact on accuracy and the accuracy of measurement result.Most object spectrum is measured just and is estimated measured atural object scope according to angle (as: U.S.'s ASD spectrometer provides 10 degree, two kinds of detecting heads of 25 degree) and the distance of detecting head and atural object of detecting head, only have when the atural object scope enough greatly, the result ability measured when also pure of type is true and reliable; When Target scalar be not very greatly, particularly two kinds or two or more atural object boundary, in the time will carrying out spectroscopic assay to certain atural object, the subtle change of angle measurement can badly influence measurement result (target of actual measurement comprises the spectrum of other atural object).Field spectrum sensing equipment manufacturer also provides relevant aligning equipment, and the REDDOT provided as U.S. ASD company is to a camera lens (being carried in hand-held mensuration rifle top), but it can only be for aiming at atural object in test person is stood the macroscopic altitude range in ground.
Summary of the invention
For overcoming above-mentioned defect, purpose of the present invention is exactly to have designed a kind of expansion bracket of the spectroscopic assay with video system and laser orientation system.Utilize this expansion bracket, laser orientation system can accurately be located measuring target, realizes that 10 meters elevation measurement errors are within 1 centimetre, and measurement result is true and reliable.Video system not only can the auxiliary laser positioning system be found the laser positioning point when spectroscopic assay simultaneously, and can carry out the whole process video recording to Target scalar to be determined, and measurement result is with a high credibility.The stretching structure of expansion bracket, can be used on the height that air line distance is greater than 30 meters and measured, and is convenient for carrying with field simultaneously and uses.
The technical scheme adopted for the purpose that realizes the invention described above is: a kind of object spectrum with video system and laser orientation system is measured expansion bracket, by video system, laser orientation system, spectrometric system and expansion bracket form, wherein expansion bracket vertical rod and horizon bar form, be " T " font during use and stand on ground, camera in video system, the generating laser of laser orientation system, spectrographic detection head in spectrometric system is installed on the same end of expansion bracket horizon bar jointly, parallel arranged, camera, transmitter, spectrographic detection head three's direction all vertically downward.
Described video system, consist of camera and picture receiver, the video image of picked-up can be with wired or wireless transmission mode by image transmitting to picture receiver.
Described laser orientation system, consist of the generating laser that can send the low energy laser bundle and generating laser on-off control system, and the generating laser on-off control system is distance type, can control the Push And Release of generating laser by pressing telepilot.
Described spectrometric system, consist of the spectrometer that is placed in ground and spectrographic detection head, by optical fiber, connected between the two.
Described expansion bracket vertical rod, by caliber do not wait can nested one-level draw-tube, secondary draw-tube, three grades of draw-tubes form, be provided with the jackscrew nut on one-level draw-tube, secondary draw-tube upper end tube wall, locking jackscrew nut can lock respectively the secondary draw-tube, three grades of draw-tubes make it not flexible.
Described three grades of draw-tubes, its upper port is 90 degree shapes and is connected with the concave shape horizon bar pickup groove that recess makes progress, be provided with two jackscrew nuts on one sidewall of horizon bar pickup groove, the embedding of expansion bracket horizon bar is wherein locked afterwards the jackscrew nut and can be fixed the expansion bracket horizon bar.
Described expansion bracket horizon bar, be a square hollow pipe, and its pipe diameter size just in time can embed in concave shape horizon bar pickup groove, and after unclamping two jackscrew nuts on a sidewall of horizon bar pickup groove, the expansion bracket horizon bar can be free to slide at pickup groove.
Described expansion bracket horizon bar, the surface made progress at it, take the spectrographic detection head as starting point, to another termination, is carved with length scales.
Described expansion bracket vertical rod secondary draw-tube and three grades of draw-tubes, be carved with altitude scale downwards from upper port respectively.When this altitude scale is the indentation state at expansion bracket, the expansion bracket height is starting point, and as 1.9 meters, the scale of three grades of draw-tubes, since 1.9 meters, is carved to 3.4 meters always so, draws high the overall height of three grades of draw-tube adjustable retractable framves between 1.9～3.4 meters.In like manner, the scale of secondary draw-tube, since 3.4 meters, is carved to 4.9 meters always, draws high the overall height of whole three grades of draw-tubes, secondary draw-tube adjustable retractable frame between 1.9～3.4 meters, 3.4 meters～4.9 meters.
According to structure described above, during use, the other end of the special optic fibre that is equipped with on spectrometer and connects is inserted in the spectrographic detection head, open video system and laser orientation system, adjust the expansion bracket height, expansion bracket is erected, short Target scalar passes through naked eyes, the central point of the spot alignment atural object shadow surface to be determined that the atural object that naked eyes are difficult to observe can penetrate the generating laser in laser orientation system by video system, can obtain the relevant test data on spectrometer.Whole mensuration process, can carry out complete video recording by video system, with the confidence level of evidence mensuration work.
The accompanying drawing explanation
1, Fig. 1 is that a kind of object spectrum with video system and laser orientation system of the present invention is measured expansion bracket front longitudinal sectional drawing.
2, Fig. 2 is that a kind of object spectrum with video system and laser orientation system of the present invention is measured expansion bracket side longitudinal sectional drawing.
3, Fig. 3 is the partial enlarged drawing of (4) in Fig. 1.
4, Fig. 4 is that a kind of object spectrum with video system and laser orientation system of the present invention is measured the schematic diagram that expansion bracket is applied to object spectrum mensuration.
5, Fig. 5 is the expansion bracket vertical rod secondary draw-tube view be carved with altitude scale downwards from upper port of the present invention.
Embodiment
For strengthening the understanding of the present invention, existing in the mode of embodiment, the present invention is described further by reference to the accompanying drawings.
In Fig. 1, the 1st, the laser orientation system control enclosure; The 2nd, the expansion bracket horizon bar; 3 is concave shape horizon bar pickup grooves that three grades of draw-tube upper port connect; 5 is three grades of draw-tubes; The 6th, the jackscrew nut arranged on the tube wall of secondary draw-tube upper end; The 7th, the secondary draw-tube; The 8th, be provided with the jackscrew nut on the tube wall of one-level draw-tube upper end; The 9th, the one-level draw-tube; The 10th, spectroscopic assay expansion bracket base.
In Fig. 2, the 2nd, the expansion bracket horizon bar; 3 is concave shape horizon bar pickup grooves that three grades of draw-tube upper port connect; 5 is three grades of draw-tubes; The 7th, the secondary draw-tube; The 9th, the one-level draw-tube; The 10th, spectroscopic assay expansion bracket base.
In Fig. 3, the 2nd, the expansion bracket horizon bar; The 11st, the control line in laser orientation system between control enclosure and generating laser; The 12nd, the special optic fibre between spectrometric system spectrometer and spectrographic detection head; The 13rd, the camera video line in video system, it can be connected with notebook computer; The 15th, the spectrographic detection head; The 16th, generating laser.
In Fig. 4, the cone that dotted line is sketched the contours of is the spectrum covering space that spectrometer is launched, the height of cone is spectroscopic assay expansion bracket height of the present invention, is also the height distance of spectrographic detection head and atural object, and this height distance can obtain from spectroscopic assay expansion bracket height value.Because the spectrographic detection head mirror head subtended angle that spectrometer is equipped with is fixed, as 10 degree, or 25 degree etc., by subtended angle and height, can calculate the floorage of cone.Otherwise, in the situation that spectrographic detection head mirror head subtended angle is fixing, when a certain area of a certain specific atural object that the user need to measure, just can go out spectroscopic assay expansion bracket height value according to the subtended angle number of degrees and a certain area backwards calculation of specific atural object.
Embodiment 1
Place: tea place, hillside, long queue tea plantation, Lianjiang County, Fujian Province;
Atural object: 15 years living tea clumps, the tree crown top is apart from floor level 920mm;
Time: the morning on July 9th, 2013 11:10;
Spectrometer: ASD Field Spec3 fieldspec radiometer, originate from the U.S.;
Detecting head camera lens subtended angle is 10 degree observation angles;
The generating laser and the spacing distance between the spectrographic detection head that are installed on flexible horizon bar one end of " T " font spectroscopic assay are 20mm, and the laser beam axis that generating laser is launched is parallel with spectrographic detection head axis direction.According to method of the present invention and the described structure of accompanying drawing, measured.During mensuration, by adjusting secondary draw-tube and three grades of draw-tube scale values, revise luminous point that generating laser launches and the spacing distance (20mm) between spectrographic detection head axis, can obtain the tea clump shadow surface spectral value of required mensuration.The omnidistance video recording of whole experiment is conducive to check afterwards, increases reliability and the credibility of experimental data.Its result is as follows: object height is that 114 centimetres, measuring staff height are 206 centimetres and are, the shadow surface diameter is 20 centimetres; Object height is that 229 centimetres, measuring staff height are 321 centimetres and are, the shadow surface diameter is 40 centimetres: object height is that 342 centimetres, measuring staff height are 434 centimetres and are, the shadow surface diameter is 60 centimetres: object height is that 457 centimetres, measuring staff height are 549 centimetres and are, the shadow surface diameter is 80 centimetres.
Place: with 1
Atural object: 15 years living tea clumps, the plantation of ridge shape, not obvious between clump in the same ridge, 150 centimetres of the tea ridge width of locating, clump is high 92 centimetres; Tea ditch (being earth's surface) is wide 54 centimetres; 153 centimetres of rear ridge width, clump is high 90 centimetres, and the ridge, front and back is close to parallel plantation.
Time: morning July 10 10:10-10:30;
Spectrometer: with 1;
Detecting head camera lens subtended angle is 25 degree probes;
Purpose: the Spectral beam combining of inquiring into different atural object components
First measure respectively spectral signature curve (10 repetitions on canopy, tea ridge front end, Cha Geng rear end, illumination earth's surface, shade earth's surface, average), vertical rod is in ditch, mixed land cover (tea clump, illumination earth's surface/shade earth's surface) spectroscopic data, measuring limit, the ridge 20 centimeters, is measured in the central point position at high 4 meters of bar.This some institute's geodetic thing component.
| The atural object component | Each component summation | Front ridge tea clump | Ditch (earth's surface) | Rear ridge tea clump |
| Area (cm 2） | 24693 | 15863 | 7858 | 972 |
| Number percent | 100% | 62.2% | 31.8% | 4% |
Atural object in each component summation: respective radius r=88.68cm.
Place: the ecological testing field of Sanming City, Fujian Province Sanyuan District Xin Kou town geographical science institute of Fujian Normal University, hillside fields;
Atural object: the 13 kinds of Main trees in south, the different tree species height differs, the interval 2-4 rice of the height of tree;
Time: 2-5 day in August, 2013;
Spectrometer: ASD Field SPC 3, used the naked fibre of 25 degree;
During mensuration, chosen distance is set 1 meter, trunk and is convenient to the vertical rod position, regulate cross bar to 1 meter and fix it, the rising expansion link also rotates to the spectrum head just above tree crown, write down the expansion link height and and by the position of video-see tree crown, then 1.5 meters of expansion links of raising, open the switch of generating laser, watch video, determine after errorless and close laser, start to carry out spectroscopic assay.
Claims (9)
1. the object spectrum with video system and laser orientation system is measured expansion bracket, it is characterized in that described expansion bracket, by video system, laser orientation system, spectrometric system and expansion bracket form, wherein expansion bracket consists of vertical rod and horizon bar, be " T " font during use and stand on ground, camera in video system, the generating laser of laser orientation system, spectrographic detection head in spectrometric system is installed on the same end of expansion bracket horizon bar jointly, vertically downward, parallel arranged, camera, transmitter, spectrographic detection head three's direction all vertically downward.
2. described a kind of object spectrum with video system and laser orientation system according to claim 1 is measured expansion bracket, it is characterized in that described video system, by camera and picture receiver, formed, the video image of camera picked-up can be with wired or wireless transmission mode by image transmitting to picture receiver.
3. described a kind of object spectrum with video system and laser orientation system according to claim 1 is measured expansion bracket, it is characterized in that described laser orientation system, by the generating laser that can send the low energy laser bundle and generating laser on-off control system, formed, the transmitter switch control system is distance type, can control the Push And Release of generating laser by pressing telepilot.
4. described a kind of object spectrum with video system and laser orientation system according to claim 1 is measured expansion bracket, it is characterized in that described spectrometric system, spectrometer and spectrographic detection head, consists of, and by light optical fiber, is connected between the two.
5. described a kind of object spectrum with video system and laser orientation system according to claim 1 is measured expansion bracket, it is characterized in that described expansion bracket vertical rod, by caliber do not wait can nested one-level draw-tube, secondary draw-tube, three grades of draw-tubes form, and on one-level draw-tube, secondary draw-tube upper end tube wall, is provided with the jackscrew nut.
6. described a kind of object spectrum with video system and laser orientation system according to claim 5 is measured expansion bracket, it is characterized in that described three grades of draw-tubes, its upper port is 90 degree shapes and is connected with the concave shape horizon bar pickup groove that recess makes progress, and is provided with two jackscrew nuts on a sidewall of horizon bar pickup groove.
7. described a kind of object spectrum with video system and laser orientation system according to claim 1 is measured expansion bracket, it is characterized in that described expansion bracket horizon bar, it is a square hollow pipe, its pipe diameter size just in time can embed in concave shape horizon bar pickup groove, after unclamping two jackscrew nuts on a sidewall of horizon bar pickup groove.
8. described a kind of object spectrum with video system and laser orientation system according to claim 1 is measured expansion bracket, it is characterized in that described expansion bracket horizon bar, the surface made progress at it, take the spectrographic detection head as starting point, to another termination, is carved with length scales.
9. described a kind of object spectrum with video system and laser orientation system according to claim 5 is measured expansion bracket, it is characterized in that described expansion bracket vertical rod secondary draw-tube and three grades of draw-tubes, is carved with altitude scale downwards from upper port respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310351011XA CN103439256A (en) | 2013-08-13 | 2013-08-13 | Ground object spectrometry expansion bracket with video system and laser positioning system |
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| CN201310351011XA CN103439256A (en) | 2013-08-13 | 2013-08-13 | Ground object spectrometry expansion bracket with video system and laser positioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748140A (en) * | 2017-10-19 | 2018-03-02 | 中国矿业大学(北京) | A kind of field EO-1 hyperion Fast measurement system |
| CN113466144A (en) * | 2021-07-02 | 2021-10-01 | 中国科学院空天信息创新研究院 | Spectral measurement auxiliary device |
-
2013
- 2013-08-13 CN CN201310351011XA patent/CN103439256A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748140A (en) * | 2017-10-19 | 2018-03-02 | 中国矿业大学(北京) | A kind of field EO-1 hyperion Fast measurement system |
| CN113466144A (en) * | 2021-07-02 | 2021-10-01 | 中国科学院空天信息创新研究院 | Spectral measurement auxiliary device |
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Application publication date: 20131211 |