CN204882362U - Accurate diffused reflection light measuring device who adjusts zenith angle - Google Patents
Accurate diffused reflection light measuring device who adjusts zenith angle Download PDFInfo
- Publication number
- CN204882362U CN204882362U CN201520317417.0U CN201520317417U CN204882362U CN 204882362 U CN204882362 U CN 204882362U CN 201520317417 U CN201520317417 U CN 201520317417U CN 204882362 U CN204882362 U CN 204882362U
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- arc
- guide rail
- slide block
- shaped guide
- angle
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Abstract
The utility model discloses an accurate diffused reflection light measuring device who adjusts zenith angle, including the reverberation receiving transducer of movable mounting on the arc frame, arc frame including the sliding seat with install the arc guide rail on the sliding seat, sliding fit has the installation slider of fixed reverberation receiving transducer on the arc guide rail, follow the arc guide rail is equipped with the angle adjust the slider of a plurality of independent assortment, the installation slider passes through angle adjust the slider support fixedly. The utility model discloses a standard angle adjust the slider makes up the receipt sky vertex angle of fine definite reverberation receiving transducer, reduces measurement process experimental error.
Description
Technical field
The utility model relates to planar sample reflectivity monitoring technical field, particularly relates to a kind of measurement mechanism that diffuses of fine adjustment zenith angle.
Background technology
Rough surface bidirectional reflectance distribution function (BRDF) can not only describe the light radiation characteristic on its surface, and direction scattering properties can be described, be widely used in target light radiation and scattering properties, material diagnosis, atural object ocean remote sensing, image procossing, military target detection and the civil and military such as Tracking Recognition, steal th and anti-stealth field.
The radiation research of the reflection that sample irradiates specific light source, scattering and sample self reflects the physical phenomenon that light wave produces with sample and environmental interaction, discloses the intrinsic person's character of sample and environment.
Existing sample reflection optical measurement instrument is the uniform scale that is interval with 5 ° on arc fixed mount just, and receiving transducer is fixed on 1/4 arc fixed mount by locating sleeve, changes reflected light receiving transducer receive zenith angle by this locating sleeve that slides.
Wherein number of patent application be 201210052209.3 Chinese invention patent disclose a kind of indoor EO-1 hyperion BRDF Analytical system, the scale that it is interval that this system is evenly equipped with 5 ° in 1/4 circular arc, by the zenith angle of the bright meter detection of the slidable adjustment spoke of locating sleeve in 1/4 circular arc of the bright meter of fixing spoke.This system can only measure the reflected light at each zenith angle place in whole 5 ° of multiples, and during whole 5 ° of placement positioning cover, site error is larger.
Utility model content
For the systematic error that minimizing measuring process reception zenith angle angle position error and optical fiber disturbance bring, the utility model provides a kind of measurement mechanism that diffuses of fine adjustment zenith angle, utilize the angular adjustment slide block of own combination, realize the collection that any integer receives sample reflection light under zenith angle, coordinate the receiving spectrum instrument with annular bearing seat synchronous axial system, reduce the disturbance of optical fiber to a great extent.
Concrete technical scheme of the present utility model is as follows:
The measurement mechanism that diffuses of fine adjustment zenith angle, comprises the reflected light receiving transducer be movably arranged on arc frame; Described arc frame comprises sliding seat and is arranged on the arc-shaped guide rail on sliding seat;
Described arc-shaped guide rail is sliding combined with the installation slide block of fixation reflex light-receiving probe;
Be provided with the angular adjustment slide block of several independent assortments along described arc-shaped guide rail, described installation slide block is fixed by described angular adjustment slider support.
In the utility model, angular adjustment slide block after combination reclines mutually, and arcuately guide rail extends, support the installation slide block on arc-shaped guide rail, each angular adjustment slide block has corresponding standard angle, any increase, reduction or change corresponding angular adjustment slide block, all can change and install the position of slide block on arc-shaped guide rail, reaches the object regulating arbitrarily and receive zenith angle.
Preferably, the relative end face of described angular adjustment slide block two is perpendicular to arc-shaped guide rail, and the angle between both ends of the surface is 10 degree, 5 degree, 2 degree or 1 degree.
Because the end face of angular adjustment slide block each on arc-shaped guide rail is bonded to each other, for realizing the zenith angle changing arbitrarily reflected light receiving transducer, the angle arranging angular adjustment slide block both ends of the surface is 10 degree, 5 degree, 2 degree or 1 degree, may be defined as 10 degree, 5 degree, the standard angle adjusting slider of 2 degree and 1 degree, consider that generally receiving sample reflection light within the scope of zenith angle at 0 ~ 70 ° measures, so the number of above four kinds of standard angle adjusting sliders is respectively 8, 1, 2, 1, the measurement carrying out sample reflection light under arbitrary integer angle can be received within the scope of zenith angle like this at 0 ~ 65 °.
Preferably, described angular adjustment slide block set is provided with on arc-shaped guide rail, and middle part is provided with the through hole passed for arc-shaped guide rail.
Angular adjustment slide block is shaped as frame, can directly be sheathed on arc-shaped guide rail, is convenient to placement and the replacing of angular adjustment slide block, makes it under self gravitation effect, keeps fitting tightly of each angular adjustment slide block.
Preferably, in described arc-shaped guide rail, be provided with the arcuate socket prolonging himself camber line, provide activity-oriented for reflected light receiving transducer and dodge.
Preferably, described installation slide block is provided with the stationary magazine creel for grafting reflected light receiving transducer.
Preferably, described installation slide block is provided with the pilot hole for sheathed arc-shaped guide rail, and the threaded shaft be connected with stationary magazine creel is passed described pilot hole and is slidably fitted in described arcuate socket.
Install slide block similar to the structure of angular adjustment slide block, be also directly enclosed within arc-shaped guide rail, threaded shaft is slidably matched in pilot hole, is beneficial to installation and the angular adjustment of reflected light receiving transducer.
Preferably, the angle between the end face that described installation slide block and angular adjustment slide block fit and the center line of stationary magazine creel is 3 degree, when actual computation zenith angle, is counted by this setting angle of 3 degree.
The beneficial effects of the utility model: the reception zenith angle angle well being determined reflected light receiving transducer by the combination of standard angle adjusting slider, reduces measuring process experimental error; Receiving spectrum instrument rotates the impact that can reduce optical fiber disturbance and cause experiment simultaneously along annular bearing seat with arc fixed mount, improve experimental precision further.
Accompanying drawing explanation
Fig. 1 is the structural representation of measurement mechanism of diffusing in the utility model;
Fig. 2 is another viewing angle constructions schematic diagram of measurement mechanism that diffuses in the utility model;
Fig. 3 is the structural representation of standard angle adjusting slider;
Figure (a) is the standard angle adjusting slider of 10 °;
Figure (b) is the standard angle adjusting slider of 5 °;
Figure (c) is the standard angle adjusting slider of 2 °;
Figure (d) is the standard angle adjusting slider of 1 °;
Fig. 4 (a) is reflected light receiving transducer schematic diagram;
Fig. 4 (b) is reflected light receiving transducer axis side view;
Fig. 5 is the schematic diagram being combined into each reception zenith angle with standard angle adjusting slider;
Figure (a) is combined into the reception zenith angle of 30 ° with standard angle adjusting slider;
Figure (b) is combined into the reception zenith angle of 37 ° with standard angle adjusting slider;
Figure (c) is combined into the reception zenith angle of 38 ° with standard angle adjusting slider;
Figure (d) combines reception zenith angle at 45 ° with standard angle adjusting slider.
Embodiment
As Figure 1-5, a kind of measurement mechanism that diffuses of fine adjustment zenith angle, comprises sample bench, light-source system, and specimen holder and reflected light receive detection system etc.
As shown in Figure 1, light-source system comprises: light source 19, light source reel cage bar 18, semicircle light source fixed guide groove 17, incident light collimation lens 16, rocking bar fixture 15.Incidence zenith angle and the position angle of light source can be changed by changing the position of light source reel cage bar 18 in semicircle fixed guide groove 17.
As depicted in figs. 1 and 2, sample bench comprises castor 1, lower supporting plate 2, XYZ three-dimensional guide frame 3, column 4, upper backup pad 5, annular bearing seat 7, specimen holder 21.Upper backup pad 5 is connected by 4 root posts 4 with lower supporting plate 2, annular bearing seat 7 can be used to place bearing fixed mount 20, arc frame 14 is connected with bearing fixed mount 20 by bolt, can realize arc frame 14 along with annular bearing seat 7 to rotate, and then changes receiving transducer take over party parallactic angle.Arc frame 14 is made up of the sliding seat be fixed on bearing fixed mount 20 and arc-shaped guide rail, is provided with the arcuate socket prolonging himself camber line in this arc-shaped guide rail.
Reflected light receives detection system and is made up of receiving spectrum instrument 6, arc frame 14, reflected light receiving transducer 13, receiving transducer stationary magazine creel 12, standard angle adjusting slider etc.Reflected light receiving transducer 13 is by Fiber connection receiving spectrum instrument 6, and receiving spectrum instrument 6 and arc frame 14 all rotate with annular bearing seat 7.Different reception zenith angle angle can be combined into by the kind and number changing standard angle adjusting slider.
As shown in Figures 2 and 3,10 ° of standard angle adjusting sliders, 8,5 ° of standard angle adjusting sliders, 9,2 ° of standard angle adjusting sliders 10 and 1 ° of standard angle adjusting slider 11 is from left to right followed successively by.The middle part of each standard angle adjusting slider is through hole, and is directly set on arc-shaped guide rail.Consider that reflected light receives zenith angle generally at 0 ~ 70 °, four kinds of standard angle adjusting slider numbers have 8,1,2,1 respectively, and therefore the combination of these four kinds of standard angle adjusting sliders realizes the measurement that any integer receives reflected light under zenith angle angle.
As shown in Fig. 4 (a) and figure (b), reflected light receiving transducer erecting device comprises installs slide block 22, receiving transducer stationary magazine creel 12 and threaded shaft 23.Install slide block 22 inner hollow, be directly inserted in arc-shaped guide rail, threaded shaft 23 is passed by installation slide block 22 inside, and is located in the arcuate socket of arc-shaped guide rail.Reflected light receiving transducer 13 is placed on the center of receiving transducer stationary magazine creel 12, and reflected light receives the center that 13 are placed on receiving transducer stationary magazine creel 12, and the center line of reflected light receiving transducer 13 is 3 ° with the angle on the border of installing slide block 22.
As shown in Figure 5, scheme (a), figure (b), figure (c) and figure (d) be respectively with above-mentioned four kinds of standard angle adjusting sliders be combined into 30 ° receive zenith angles, 37 ° receive zenith angles, 38 ° receive zenith angle, 45 ° receive zenith angle time schematic diagram.As shown in Fig. 5 (a), with 5 10 ° of standard angle adjusting sliders, 8,15 ° of standard angle adjusting slider, 9,12 ° of standard angle adjusting slider 10, add the angle 3 ° that the reflected light receiving transducer 13 shown in Fig. 4 (a) has of one's own with probe stationary magazine creel 12, namely receive zenith angle angle 30 °=90 °-5*10 °-1*5 ° of-1*2 °-3 °.Reception zenith angle angle combinations under all the other angles is similar, and this is no longer going to repeat them.
The foregoing is only better implementation example of the present utility model, be not limited to the utility model, all within the utility model spirit and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. the measurement mechanism that diffuses of fine adjustment zenith angle, comprises the reflected light receiving transducer be movably arranged on arc frame; It is characterized in that, described arc frame comprises sliding seat and is arranged on the arc-shaped guide rail on sliding seat;
Described arc-shaped guide rail is sliding combined with the installation slide block of fixation reflex light-receiving probe;
Be provided with the angular adjustment slide block of several independent assortments along described arc-shaped guide rail, described installation slide block is fixed by described angular adjustment slider support.
2. diffuse measurement mechanism as claimed in claim 1, it is characterized in that, the relative end face of described angular adjustment slide block two is perpendicular to arc-shaped guide rail, and the angle between both ends of the surface is 10 degree, 5 degree, 2 degree or 1 degree.
3. diffuse measurement mechanism as claimed in claim 1, it is characterized in that, described angular adjustment slide block set is provided with on arc-shaped guide rail, and middle part is provided with the through hole passed for arc-shaped guide rail.
4. diffuse measurement mechanism as claimed in claim 1, it is characterized in that, be provided with the arcuate socket prolonging himself camber line in described arc-shaped guide rail.
5. diffuse measurement mechanism as claimed in claim 4, it is characterized in that, described installation slide block is provided with the stationary magazine creel for grafting reflected light receiving transducer.
6. diffuse measurement mechanism as claimed in claim 5, it is characterized in that, described installation slide block is provided with the pilot hole for sheathed arc-shaped guide rail, and the threaded shaft be connected with stationary magazine creel is passed described pilot hole and is slidably fitted in described arcuate socket.
7. diffuse measurement mechanism as claimed in claim 6, it is characterized in that, the angle between the end face that described installation slide block and angular adjustment slide block fit and the center line of stationary magazine creel is 3 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317417.0U CN204882362U (en) | 2015-05-15 | 2015-05-15 | Accurate diffused reflection light measuring device who adjusts zenith angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317417.0U CN204882362U (en) | 2015-05-15 | 2015-05-15 | Accurate diffused reflection light measuring device who adjusts zenith angle |
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| Publication Number | Publication Date |
|---|---|
| CN204882362U true CN204882362U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520317417.0U Expired - Fee Related CN204882362U (en) | 2015-05-15 | 2015-05-15 | Accurate diffused reflection light measuring device who adjusts zenith angle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345908A (en) * | 2017-06-26 | 2017-11-14 | 浙江大学 | A kind of scattering system for obtaining fruit multiaspect diffusing reflection information |
| CN110823836A (en) * | 2019-08-14 | 2020-02-21 | 长春欧明科技有限公司 | Multi-angle test system for surface feature spectrum |
-
2015
- 2015-05-15 CN CN201520317417.0U patent/CN204882362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345908A (en) * | 2017-06-26 | 2017-11-14 | 浙江大学 | A kind of scattering system for obtaining fruit multiaspect diffusing reflection information |
| CN110823836A (en) * | 2019-08-14 | 2020-02-21 | 长春欧明科技有限公司 | Multi-angle test system for surface feature spectrum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20200515 |