CN106124162A - A kind of portable mirror reflectance test instrument - Google Patents
A kind of portable mirror reflectance test instrument Download PDFInfo
- Publication number
- CN106124162A CN106124162A CN201610416656.0A CN201610416656A CN106124162A CN 106124162 A CN106124162 A CN 106124162A CN 201610416656 A CN201610416656 A CN 201610416656A CN 106124162 A CN106124162 A CN 106124162A
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- Prior art keywords
- light
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- reflecting prism
- transparent semi
- glass plate
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/005—Testing of reflective surfaces, e.g. mirrors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a kind of portable mirror reflectance test instrument, including part of data acquisition, including: light source, collimation lens set, semi-transparent semi-reflecting prism, transparency glass plate, integrating sphere, grating, focus lens group and line array CCD;The light collimation that light source is sent by collimation lens set is directional light;The transparency glass plate that and front and rear surfaces vertical with light path through surface through the directional light after semi-transparent semi-reflecting prism is parallel to each other, arrives minute surface to be measured after becoming exiting parallel light;Light after direct reflection to be measured returns semi-transparent semi-reflecting prism through transparency glass plate;Directional light after semi-transparent semi-reflecting prismatic reflection enters integrating sphere, it is achieved mixed light and even light;Light splitting is carried out by grating according to different wave length from the light of integrating sphere outgoing;Light after light splitting is pressed the wavelength focus diverse location at imaging surface by focus lens group;The light of different wave length is focused battery of lens and images in the diverse location of line array CCD;The light intensity of line array CCD output different wave length.
Description
Technical field
The present invention relates to the measurement of optics parameter, particularly to a kind of portable mirror reflectance test instrument.
Background technology
Reflecting mirror is widely used at numerous areas, particularly at solar light-heat power-generation (English name
Concentrating Solar Power, is called for short CSP) field, sunlight is reflexed on heat collector by reflecting mirror, by heat collector
Solar radiant energy is converted into heat energy, and is generated electricity by thermodynamic cycle process.Therefore, reflectance of reflector is to affect the sun
The key factor of energy photo-thermal power generation.
At present, the most common reflectance test device is the hugest, it is impossible to reach the portability of existing field real-time measurement
Requirement.In solar light-heat power-generation field, the consumption of reflecting mirror is big, it is desirable to high and it needs to often to have installed at reflecting mirror
The working site finished carries out the measurement of reflectance.Traditional reflectance test device is not easy to the measurement at scene, and efficiency very much
Lowly.
Summary of the invention
It is an object of the invention to the defect overcoming traditional reflective rate test device to be not easy to in-site measurement, inefficiency,
Thus a kind of small and exquisite simple, reflectance test instrument that portability is high is provided.
To achieve these goals, the invention provides a kind of portable mirror reflectance test instrument, including data acquisition
Part, described part of data acquisition includes: light source 1, collimation lens set 3, semi-transparent semi-reflecting prism 4, transparency glass plate 5, integrating sphere
9, grating 10, focus lens group 11 and line array CCD 13;Wherein,
The light 2 that described light source 1 sends covers required optical band;Described light source 1 is sent by described collimation lens set 3
Light 2 collimation is directional light;Directional light after collimated battery of lens 3 is collimated by described semi-transparent semi-reflecting prism 4 is through state;Thoroughly
Cross the directional light after described semi-transparent semi-reflecting prism 4 through the transparency glass plate that surface is vertical with light path and front and rear surfaces is parallel to each other
5, arrive minute surface 7 to be measured after becoming exiting parallel light 6;Light 8 after described minute surface 7 to be measured reflects is through described clear glass
Plate 5 returns described semi-transparent semi-reflecting prism 4, and the most described semi-transparent semi-reflecting prism 4 is reflective condition;Through described semi-transparent semi-reflecting prism 4
Directional light after reflection enters described integrating sphere 9, it is achieved mixed light and even light;From the outgoing of described integrating sphere 9 through mixed light with even
The light of light is carried out light splitting by described grating 10 according to different wave length;Light after light splitting is pressed wavelength by described focus lens group 11
Focus on the diverse location of imaging surface;Described line array CCD 13 is installed in focusing system imaging surface position, the light of different wave length
The diverse location of line array CCD 13 is imaged in by described focus lens group 11;Described line array CCD 13 is by the light of output different wave length
Intensity.
In technique scheme, also include that packed part, described packed part include: base plate 14, upper cover 15, side frame
16, shade 17, window aperture seal circle 18, handle 19, light source base 20, dividing plate 21, colimated light system lens barrel 22, semi-transparent semi-reflecting prism prop up
Frame 23, light barrier holder 24, focusing system lens barrel 25 and CCD support 26;Wherein,
Described side frame 16 has a window with the binding site of described shade 17, and this window is completely by described clear glass
Plate 5 is hidden from inside;Described transparency glass plate 5 and the contact portion of described side frame 16 are complete by described window aperture seal circle 18
Seal;Described shade 17 is complete light-proof material, is fixed in outside the window of described side frame 16, and blocks remove completely
Other light beyond light 8 after described exiting parallel light 6 and reflection;Described base plate 14, upper cover 15, side frame 16, shading
Cover 17, window aperture seal circle 18 and transparency glass plate 5 form airtight encapsulating structure;Described shade 17 edge of opening is same flat
On face and parallel with described transparency glass plate 5;Described light source base 20, dividing plate 21, colimated light system lens barrel 22, semi-transparent semi-reflecting prism prop up
Frame 23, light barrier holder 24, focusing system lens barrel 25 and CCD support 26 are all fixed on described base plate 14 according to light channel structure;
Wherein, described light source 1 is fixedly mounted on light source base 20, and described collimation lens set 3 is arranged in described colimated light system lens barrel 22,
Described semi-transparent semi-reflecting prism 4 is fixedly mounted on described semi-transparent semi-reflecting prism bracket 23, and described grating 10 is fixedly mounted on described
On light barrier holder 24, described focus lens group 11 is arranged in described focusing system lens barrel 25, the described fixing peace of line array CCD 13
It is contained on described CCD support 26;Described dividing plate 21 is by the light path of described light source 1 to minute surface 7 to be measured and semi-transparent semi-reflecting prism 4 to line
The light path of battle array CCD13 separates, and fixes described integrating sphere 9 at its tapping;Described handle 19 is fixed on described side frame 16.
In technique scheme, also include that data processing section, described data processing section include data link 27 and number
According to processor 29;Wherein,
The data acquisition unit 28 being made up of part of data acquisition and packed part passes through at data link 27 and described data
Reason device 29 is connected;
The intensity of the different wave length light that described line array CCD 13 exports is transferred at described data by described data link 27
Reason device 29;Described data processor 29 includes the use standard reflection mirror calibration information to line array CCD 13, by described number
Processing according to the data of link 27 transmission, described data processor 29 shows the reflection at required wave band of the tested mirror surface
Rate, and draw reflectance curve.
In technique scheme, described data link 27 uses wire transmission mode;Under wired mode, described Data-Link
Connect 27 can power for data acquisition unit 28 simultaneously.
It is an advantage of the current invention that:
The portable mirror reflectance test instrument volume of the present invention is little, lightweight, it is easy to carries, can meet real-time, on-the-spot
Measurement requirement.
Accompanying drawing explanation
Fig. 1 is the part of data acquisition schematic diagram of the portable mirror reflectance test instrument of the present invention;
Fig. 2 is the packed part schematic diagram of the portable mirror reflectance test instrument of the present invention;
Fig. 3 is the complete diagram of the portable mirror reflectance test instrument of the present invention.
Drawing explanation
Light 3 collimation lens set that 1 light source 2 light source sends
4 semi-transparent semi-reflecting prism 5 transparency glass plate 6 exiting parallel light
Light 9 integrating sphere after 7 mirror surface 8 to be measured reflections
Light after 10 grating 11 focus lens group 12 light splitting
13 line array CCD 14 base plate 15 upper covers
16 side frame 17 shade 18 window aperture seal circles
19 handle 20 light source base 21 dividing plates
22 colimated light system lens barrel 23 semi-transparent semi-reflecting prism bracket 24 refracting prisms supports
25 focusing system lens barrel 26 CCD support 27 data links
28 data acquisition unit 29 data processors
Detailed description of the invention
In conjunction with accompanying drawing, the invention will be further described.
The portable mirror reflectance test instrument of the present invention includes: part of data acquisition, packed part and data processing division
Point.
Fig. 1 is the part of data acquisition schematic diagram of the portable mirror reflectance test instrument of the present invention, as it can be seen, bag
Include: light source 1, collimation lens set 3, semi-transparent semi-reflecting prism 4, transparency glass plate 5, integrating sphere 9, grating 10, focus lens group 11 He
Line array CCD 13;The light 2 that described light source 1 sends covers required optical band, and light intensity is stable;Described collimation lens set 3 will
Light 2 collimation that light source 1 sends is directional light;Directional light after collimated battery of lens 3 is collimated by described semi-transparent semi-reflecting prism 4 is
Through state;The transparency glass plate 5 that surface is vertical with light path is passed through through the directional light after semi-transparent semi-reflecting prism 4, and described
Bright glass plate 5 front and rear surfaces is parallel to each other, and the most described directional light will not be affected by described transparency glass plate 5 and become flat
Minute surface 7 to be measured is arrived after row emergent light 6;Light 8 after minute surface 7 to be measured reflects returns semi-transparent semi-reflecting through transparency glass plate 5
Prism 4;The most described semi-transparent semi-reflecting prism 4 is reflective condition;Directional light after semi-transparent semi-reflecting prism 4 reflects enters integrating sphere
9, it is achieved mixed light and even light;From the light through mixed light and even light of integrating sphere 9 outgoing by described grating 10 according to different wave length
Carry out light splitting;Light after light splitting is pressed the wavelength focus diverse location at imaging surface by described focus lens group 11;Described linear array
CCD13 is installed in focusing system imaging surface position, and therefore the light of different wave length will be imaged in by described focus lens group 11
The diverse location of line array CCD 13;Described line array CCD 13 is by the light intensity of output different wave length.
Fig. 2 is in one embodiment, the packed part schematic diagram of the portable mirror reflectance test instrument of the present invention, as
Shown in figure, including: base plate 14, upper cover 15, side frame 16, shade 17, window aperture seal circle 18, handle 19, light source base 20, dividing plate
21, colimated light system lens barrel 22, semi-transparent semi-reflecting prism bracket 23, light barrier holder 24, focusing system lens barrel 25 and CCD support 26;Institute
The binding site stating side frame 16 and described shade 17 has a window, and is hidden from inside by described transparency glass plate 5 completely
Lid;Described transparency glass plate 5 is fully sealed by described window aperture seal circle 18 with the contact portion of described side frame 16;Described shading
Cover 17 is complete light-proof material, is fixed in outside the window of described side frame 16, and blocks completely except described exiting parallel
Other light beyond light 8 after light 6 and reflection;Described base plate 14, upper cover 15, side frame 16, shade 17, window aperture seal
Circle 18 and transparency glass plate 5 are by encapsulating structure airtight for composition;Shade 17 edge of opening at grade and with transparent glass
Glass plate 5 is parallel;Light source base 20, dividing plate 21, colimated light system lens barrel 22, semi-transparent semi-reflecting prism bracket 23, light barrier holder 24, focusing system
System lens barrel 25 and CCD support 26 is all fixed on base plate 14 according to light channel structure;Wherein, described light source 1 is fixedly mounted on light
On source(-)holder 20, described collimation lens set 3 is arranged in described colimated light system lens barrel 22, and described semi-transparent semi-reflecting prism 4 fixedly mounts
On semi-transparent semi-reflecting prism bracket 23, described grating 10 is fixedly mounted on light barrier holder 24, and described focus lens group 11 is installed
In focusing system lens barrel 25, described line array CCD 13 is fixedly mounted on CCD support 26;Described dividing plate 21 by light source 1 to treating
The light path of the light path and semi-transparent semi-reflecting prism 4 to line array CCD 13 of surveying minute surface 7 separates, and fixes integrating sphere 9 at its tapping;Institute
State handle 19 to be fixed on side frame 16.It is above of packed part of the portable mirror reflectance test instrument of the present invention
Embodiment, this packed part can also have other structure, as long as it can reasonably fabrication data collecting part.
Fig. 3 is the complete diagram of the portable mirror reflectance test instrument of the present invention, as it can be seen, include: by data
Collecting part and data acquisition unit 28, data link 27 and the data processor 29 of packed part composition;Data acquisition unit 28 leads to
Cross data link 27 to be connected with described data processor 29;Described data link 27 includes but not limited to wire transmission mode;?
Under wired mode, described data link 27 can be powered for data acquisition unit 28 simultaneously;Described data link 27 will be line array CCD 13
The intensity of the different wave length light of output is transferred to data processor 29;Data processor 29 includes use standard reflection mirror pair
The calibration information of line array CCD 13;Being processed by the data transmitting data link 27, data processor 29 can show tested
Mirror surface is at the reflectance of required wave band, and draws reflectance curve.
It should be noted last that, above example is only in order to illustrate technical scheme and unrestricted.Although ginseng
According to embodiment, the present invention is described in detail, it will be understood by those within the art that, the technical side to the present invention
Case is modified or equivalent, and without departure from the spirit and scope of technical solution of the present invention, it all should be contained in the present invention
Right in the middle of.
Claims (4)
1. a portable mirror reflectance test instrument, it is characterised in that include part of data acquisition, described part of data acquisition
Including: light source (1), collimation lens set (3), semi-transparent semi-reflecting prism (4), transparency glass plate (5), integrating sphere (9), grating (10),
Focus lens group (11) and line array CCD (13);Wherein,
Optical band needed for light (2) covering that described light source (1) sends;Described light source (1) is sent out by described collimation lens set (3)
Light (2) collimation gone out is directional light;Directional light after collimated battery of lens (3) is collimated by described semi-transparent semi-reflecting prism (4) is
Through state;Through the directional light after described semi-transparent semi-reflecting prism (4) through surface is vertical with light path and front and rear surfaces is the most flat
The transparency glass plate (5) of row, becomes exiting parallel light (6) and arrives minute surface to be measured (7) afterwards;After described minute surface to be measured (7) is reflected
Light (8) return described semi-transparent semi-reflecting prism (4), the most described semi-transparent semi-reflecting prism (4) through described transparency glass plate (5)
For reflective condition;Directional light after described semi-transparent semi-reflecting prism (4) is reflected enters described integrating sphere (9), it is achieved mixed light is with even
Light;Carried out point according to different wave length by described grating (10) from the light through mixed light and even light of described integrating sphere (9) outgoing
Light;Light after light splitting is pressed the wavelength focus diverse location at imaging surface by described focus lens group (11);Described line array CCD
(13) being installed in focusing system imaging surface position, the light of different wave length is imaged in linear array by described focus lens group (11)
The diverse location of CCD (13);Described line array CCD (13) is by the light intensity of output different wave length.
Portable mirror reflectance test instrument the most according to claim 1, it is characterised in that also include packed part, institute
State packed part to include: base plate (14), upper cover (15), side frame (16), shade (17), window aperture seal circle (18), handle
(19), light source base (20), dividing plate (21), colimated light system lens barrel (22), semi-transparent semi-reflecting prism bracket (23), light barrier holder (24),
Focusing system lens barrel (25) and CCD support (26);Wherein,
Described side frame (16) has a window with the binding site of described shade (17), and this window is completely by described clear glass
Plate (5) is hidden from inside;The contact portion of described transparency glass plate (5) and described side frame (16) is by described window aperture seal circle
(18) fully seal;Described shade (17) is complete light-proof material, is fixed in outside the window of described side frame (16),
And block other light in addition to the light (8) after described exiting parallel light (6) and reflection completely;Described base plate (14), on
Lid (15), side frame (16), shade (17), window aperture seal circle (18) and transparency glass plate (5) form airtight encapsulating structure;
Described shade (17) edge of opening is at grade and parallel with described transparency glass plate (5);Described light source base (20), every
Plate (21), colimated light system lens barrel (22), semi-transparent semi-reflecting prism bracket (23), light barrier holder (24), focusing system lens barrel (25) and
CCD support (26) is all fixed on described base plate (14) according to light channel structure;Wherein, described light source (1) is fixedly mounted on light
On source(-)holder (20), described collimation lens set (3) is arranged in described colimated light system lens barrel (22), described semi-transparent semi-reflecting prism (4)
Being fixedly mounted on described semi-transparent semi-reflecting prism bracket (23), described grating (10) is fixedly mounted on described light barrier holder (24)
On, described focus lens group (11) is arranged in described focusing system lens barrel (25), and described line array CCD (13) is fixedly mounted on institute
State on CCD support (26);Described dividing plate (21) is by light path and the semi-transparent semi-reflecting prism (4) of described light source (1) to minute surface to be measured (7)
Light path to line array CCD (13) separates, and fixes described integrating sphere (9) at its tapping;Described handle (19) is fixed on described
On side frame (16).
Portable mirror reflectance test instrument the most according to claim 2, it is characterised in that also include data processing division
Point, described data processing section includes data link (27) and data processor (29);Wherein,
The data acquisition unit (28) being made up of part of data acquisition and packed part passes through at data link (27) and described data
Reason device (29) is connected;
The intensity of the different wave length light that described line array CCD (13) exports is transferred at described data by described data link (27)
Reason device (29);Described data processor (29) includes the use standard reflection mirror calibration information to line array CCD (13), by right
The data that described data link (27) is transmitted process, and described data processor (29) shows that tested mirror surface is at required ripple
The reflectance of section, and draw reflectance curve.
Portable mirror reflectance test instrument the most according to claim 3, it is characterised in that described data link (27) is adopted
Use wire transmission mode;Under wired mode, described data link (27) can be data acquisition unit (28) power supply simultaneously.
Priority Applications (1)
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CN201610416656.0A CN106124162A (en) | 2016-06-13 | 2016-06-13 | A kind of portable mirror reflectance test instrument |
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CN201610416656.0A CN106124162A (en) | 2016-06-13 | 2016-06-13 | A kind of portable mirror reflectance test instrument |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109781681A (en) * | 2019-01-14 | 2019-05-21 | 广州大学 | A kind of fluorescence quantum yield tester and its test method |
CN113418895A (en) * | 2021-06-30 | 2021-09-21 | 中国人民解放军63921部队 | Specular reflectivity measuring method and device for large-caliber telescope |
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