CN109342371A - A kind of light path system of retro-reflecting coefficient test device - Google Patents
A kind of light path system of retro-reflecting coefficient test device Download PDFInfo
- Publication number
- CN109342371A CN109342371A CN201811174334.5A CN201811174334A CN109342371A CN 109342371 A CN109342371 A CN 109342371A CN 201811174334 A CN201811174334 A CN 201811174334A CN 109342371 A CN109342371 A CN 109342371A
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- lower cover
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- plate portion
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- 230000003287 optical effect Effects 0.000 claims abstract description 86
- 238000001914 filtration Methods 0.000 claims abstract description 39
- 230000007935 neutral effect Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 210000000078 claw Anatomy 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/006—Filter holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
- G01N2021/551—Retroreflectance
Abstract
This application provides a kind of light path systems of retro-reflecting coefficient test device, comprising: rack；Sample table, one side surface of sample table are equipped with benchmark photosensitive sensor；Light collecting barrel is equipped with point light source, the first optical filter and convex lens inside light collecting barrel；Viewing angle shifting axle is provided with moveable slide on viewing angle shifting axle；Photosensitive sensor, photosensitive sensor are arranged on slide, and the side of photosensitive sensor is equipped with motor；Neutral filtering apparatus, neutral filtering apparatus are connected in the rotary shaft of motor, and neutral filtering apparatus has several neutral filtering assemblies；Wherein, neutral filtering assembly includes a lower cover；One upper cover；One special optical filter；At least three outer fasteners, outer fastener is for special optical filter to be axially held in installation cavity；At least three radial positioning components, radial positioning component is used to for special optical filter radial positioning and radial direction being clamped in installation cavity, so that special optical filter is mounted between upper cover and lower cover solid and reliablely.
Description
Technical field
The present invention relates to a kind of light path systems of retro-reflecting coefficient test device, survey more particularly to a kind of retro-reflecting coefficient
The light path system that trial assembly is set.
Background technique
Reflex reflection is also referred to as retroreflecting, is a kind of reflection that reflection light is returned from the opposite direction close to incident ray,
Reflectorized material with retroreflectivity has reflective membrane, reflector, reflector marking, reflective clothing etc., is widely used in road friendship
The fields such as logical mark, graticule, vehicles reflecting marking, special operation clothes, fire symbol, railway signs, mining area mark,
Guarantee that the fields such as traffic safety play significant role, but the system of the retro-reflecting coefficient of existing detection reflecting marking is remote
Actual demand far is lagged behind, it is cumbersome low with detection accuracy etc. insufficient that there are test process.
It is ability in conclusion how to provide a kind of convenient test and the high retro-reflecting coefficient test device of measuring accuracy
Field technique personnel's urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of light path systems of retro-reflecting coefficient test device, solve existing test dress
It sets, the cumbersome problem low with detection accuracy of test process.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of light of retro-reflecting coefficient test device
Road system, comprising: rack；The side of the rack, one side surface of the sample table installation is arranged in sample table, the sample table
There are benchmark photosensitive sensor or sample, the benchmark photosensitive sensor is used to measure the power of incident light；Light collecting barrel, the optically focused
The other side of the rack is arranged in cylinder, is equipped with point light source, the first optical filter and convex lens inside the light collecting barrel；Viewing angle is moved
Moving axis is provided with moveable slide on the viewing angle shifting axle；Photosensitive sensor, the photosensitive sensor are arranged described
On slide, the side of the photosensitive sensor is equipped with motor；Neutral filtering apparatus, the neutrality filtering apparatus are connected to described
In the rotary shaft of motor, the neutrality filtering apparatus has several neutral filtering assemblies, passes through institute by the light beam of sample reflection
Neutral filtering assembly is stated to be transmitted on the photosensitive sensor；Wherein, the neutral filtering assembly includes a lower cover；One upper cover,
The upper cover is threaded on the lower lid；One special optical filter, the special optical filter are mounted on the upper cover and described
Between lower cover, one end of the special optical filter is kept out on the inner bottom surface of the installation cavity of the lower cover；At least three outer fasteners,
The outer fastener is for the special optical filter to be axially held in the installation cavity；At least three radial positioning components, institute
Radial positioning component is stated for the special optical filter radial positioning and radial direction to be clamped in the installation cavity.
Further, the neutral filtering apparatus also includes an annulus, and the annulus is connected to the rotary shaft of the motor
On；Several connecting rods, one end of the connecting rod is by being welded to connect on the annulus periphery；Wherein, the lower cover is logical
The other end being welded to connect in corresponding connecting rod is crossed, the bottom of the lower cover offers the second circular hole；The screw thread of the upper cover
Portion is threaded in corresponding lower cover, and the first circular hole is offered at the top of the upper cover.
Further, the neutral filtering assembly also has at least three card hook parts, and the card hook part is for axial fixed
The position special optical filter, and can prevent the special optical filter from rotating around the axis of the special optical filter.
Further, the outer fastener has sequentially connected first fixed plate portion, arc panel portion and support slide plate portion, institute
The first fixed plate portion is stated to perforate and be fixed in first perforation, the arc across the first of the lower cover out of described lower cover
The side in shape plate portion is pressed on the special optical filter, and the other side in the arc panel portion is pressed on the end face of the threaded portion
On, the support slide plate portion supports on the inner sidewall of the lower cover, axis of the free end for supportting slide plate portion along the lower cover
Extend to the inner bottom surface direction of the installation cavity.
Further, there is plate portion on the free end in the support slide plate portion, it is solid that the plate portion passes through described first
The jack in fixed board portion extends to the inner bottom surface of the installation cavity, and the plate portion is slidably matched with the jack.
Further, the radial positioning component includes: position-limiting drum, and the front end of the position-limiting drum sequentially passes through the lower cover
The internal stretch that threaded hole and second on side wall are perforated to the lower cover；The decorative pearl on top of an official cap, the decorative pearl on top of an official cap are movably arranged on the limit
In cylinder, and the front end of the extended position-limiting drum in top of the decorative pearl on top of an official cap and it is pressed on the peripheral wall of the special optical filter；Envelope
Blocking piece, the closeouts are fixed in the threaded hole, and the base ring portion of the position-limiting drum is pressed on institute by the closeouts
It states on the bottom wall of threaded hole；Spring is squeezed, the extruding spring is arranged in the position-limiting drum, and is located at the decorative pearl on top of an official cap and institute
It states between closeouts.
Further, the position-limiting drum has several limit claws, several limit claws are arranged at intervals on described
In base ring portion, and several limit claws pass through the described second internal stretch perforated to the lower cover, the limit claw
Front end there is interior curved curved portion, the aperture in the hole that curved curved portions surround in several is less than the diameter of the decorative pearl on top of an official cap.
Further, the card hook part has sequentially connected second fixed plate portion, seat board portion, straight plate part and arc bent plate
Portion, third of second fixed plate portion out of described lower cover on the bottom of the lower cover are perforated and are fixedly connected on described
In third perforation, in the intrusion slot for the inner bottom surface that the seat board portion is embedded in the installation cavity, the straight plate part is from described special
The side of optical filter passes through the card slot on the special optical filter periphery to the other side of the special optical filter, and the straight panel
The part in portion is pressed on the bottom surface of the card slot, and arc bent plate portion is contradicted in the other side of the special optical filter.
Further, the card slot has arc guide face, is fastened in order to which arc bent plate portion passes through the card slot
The other side of the special optical filter.
Further, the central point of the benchmark photosensitive sensor, the first optical filter, convex lens and point light source is in same level
On line.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
The light path system of retro-reflecting coefficient test device provided by the invention can be used for measuring reflectorized material and be greater than 15 meters
Apart from when retro-reflecting coefficient, can really react the reflective situation of reflecting material in actual use, improve existing
The method of relative measurement, improves measuring accuracy；
In the present invention, it can be rotated by motor control neutrality filtering apparatus, it is a variety of on neutral filtering apparatus to switch
The special optical filter of different percent of pass, achievees the purpose that the light intensity for being adjusted into photosensitive sensor, substantially increases measurement range；
In the present invention, photosensitive sensor can be moved up and down along viewing angle shifting axle, change viewing angle, be measured in different sights
The retro-reflecting coefficient of sample under Cha Jiao；
In the present invention, special optical filter is reliably axially held in installation cavity by outer fastener, and radial positioning component is reliable
Special optical filter radial positioning and radial direction are clamped in installation cavity by ground, and special optical filter is reliably axially positioned on by card hook part
In installation cavity, and it can prevent special optical filter from rotating in installation cavity around the axis of special optical filter, outer fastener, radial positioning group
Part and card hook part collective effect, so that special optical filter is mounted between upper cover and lower cover solid and reliablely, meanwhile, special filter
The detachable setting of mating plate, convenient for the special optical filter of dismounting and change in test.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of neutral filtering apparatus of the invention.
Fig. 3 be Fig. 2 in A-A to structural schematic diagram.
Fig. 4 is the enlarged structure schematic diagram at the D in Fig. 3.
Fig. 5 is the structural schematic diagram of the B-B direction in Fig. 2.
Fig. 6 is the enlarged structure schematic diagram at the E in Fig. 5.
Fig. 7 be Fig. 2 in C-C to structural schematic diagram.
Fig. 8 is the enlarged structure schematic diagram at the F in Fig. 7.
Fig. 9 is the schematic view of the front view of outer fastener of the invention.
Figure 10 is the left view structural representation of outer fastener of the invention.
Figure 11 is the structural schematic diagram of position-limiting drum of the invention.
Description of symbols: rack 1, sample table 2, benchmark photosensitive sensor 3, light collecting barrel 4, the first optical filter 5, convex lens 6,
Point light source 7, neutral filtering apparatus 8, neutral filtering assembly 8A, annulus 81, connecting rod 82, upper cover 83, the first circular hole 831, screw thread
Portion 832, lower cover 84, the 842, second perforation 843 of the second circular hole 841, first perforation, threaded hole 844, third perforation 845, intrusion slot
846, installation cavity 847, special optical filter 85, card slot 851, arc guide face 852, outer fastener 86, the first fixed plate portion 861, jack
8611, the first bending part 8612, arc panel portion 862, support slide plate portion 863, plate portion 8631, radial positioning component 87, position-limiting drum
871, base ring portion 8711, limit claw 8712, interior curved curved portion 87121, the decorative pearl on top of an official cap 872, extruding spring 873, closeouts 874, card
Hook 88, the second fixed plate portion 881, the second bending part 8811, seat board portion 882, straight plate part 883, arc bent plate portion 884, motor 9,
Photosensitive sensor 10, viewing angle shifting axle 11, slide 12.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Below with reference to Fig. 1 to Figure 11, the invention will be further described, and a kind of retro-reflecting coefficient as shown in Figure 1 tests dress
The light path system set, comprising: rack 1, sample table 2, light collecting barrel 4, viewing angle shifting axle 11, photosensitive sensor 10 and neutral optical filtering
The side of rack 1 is arranged in device 8, sample table 2, and 2 one side surface of sample table is equipped with benchmark photosensitive sensor 3 or sample, gathers
The other side of rack 1 is arranged in light cylinder 4, and point light source 7, the first optical filter 5 and convex lens 6 are equipped with inside light collecting barrel 4, and first filters
Piece 5 is arranged in the side of the close benchmark photosensitive sensor 3 of light collecting barrel 4, convex lens 6 be located at point light source 7 and the first optical filter 5 it
Between, benchmark photosensitive sensor 3, the first optical filter 5, convex lens 6 and point light source 7 central point in the same horizontal line, and put light
Source 7 is in the focus of convex lens 6, and point light source 7 distributes light beam and is gathered on convex lens 6 by light collecting barrel 4, and convex lens 6 can will distribute light
Beam formed collimated light beam, the first optical filter 5 can make across collimated light beam distribution it is more uniform, viewing angle shifting axle 11 be arranged
In the top of the light collecting barrel 4, slide 12 moving up and down is provided on viewing angle shifting axle 11, photosensitive sensor 10 is arranged
On slide 12, the side of photosensitive sensor 10 is equipped with motor 9, and neutral filtering apparatus 8 is connected in the rotary shaft of motor 9,
There are four neutral filtering assembly 8A for the neutral tool of filtering apparatus 8, are transmitted to by the light beam of sample reflection by neutrality filtering assembly 8A
On photosensitive sensor 10, motor 9 controls neutral filtering apparatus 8 and rotates, and to be adjusted into the light intensity of photosensitive sensor 10, mentions significantly
High measurement range.
In the present embodiment, as shown in Figure 1 and Figure 2, neutral filtering apparatus 8 also has an annulus 81 and four connecting rods 82, circle
Ring 81 is connected in the rotary shaft of motor 9, and four connecting rods 82 are uniformly arranged on 81 periphery of annulus, and one end of connecting rod 82 is logical
Welded connecting is crossed on 81 periphery of annulus, four neutrality filtering assembly 8A are by being welded to connect in the another of corresponding connecting rod 82
On end, in addition, the number of neutral filtering assembly 8A can also be three or five.
In the present embodiment, as shown in Fig. 2, Fig. 3, Fig. 5, Fig. 7, neutral filtering assembly 8A includes a lower cover 84, a upper cover
83, outer 86, the three radial positioning components 87 of fastener of a special optical filter 85, three and three card hook parts 88, lower cover 84 pass through weldering
It connects and is connected in corresponding connecting rod 82, the bottom of lower cover 84 offers the second circular hole 841, and upper cover 83 is threaded in lower cover 84
On, the threaded portion 832 of upper cover 83 is threaded in corresponding lower cover 84, and the top of upper cover 83 offers the first circular hole 831, special
Optical filter 85 processed is removably mounted between upper cover 83 and lower cover 84, and the peace in lower cover 84 is kept out in one end of special optical filter 85
It behave affectedly on 847 inner bottom surface, the first circular hole 831 and the second circular hole 841 can keep light beam to shine on special optical filter 85, when need
When removing special optical filter 85, first upper cover 83 is removed from lower cover 84, then special from 841 pushing tow of the second circular hole of lower cover 84
Optical filter 85.
In the present embodiment, as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 9, Figure 10, outer fastener 86 has sequentially connected first to fix
Plate portion 861, arc panel portion 862 and support slide plate portion 863, the first fixed plate portion 861 are worn out of lower cover 84 across the first of lower cover 84
Hole 842, the part that the first perforation 842 is stretched out in the first fixed plate portion 861 are bent on the outer wall for sticking on lower cover 84, form one the
One bending part 8612, the one end in arc panel portion 862 are connected in the first fixed plate portion 861, and arc panel portion 862 is backwards to lower cover 84
Inner wall arches upward, and support slide plate portion 863 is connected on the other end in arc panel portion 862, and support slide plate portion 863 supports in lower cover 84
On side wall, the free end for supportting slide plate portion 863 extends along the axis of lower cover 84 to the inner bottom surface direction of installation cavity 847, supports slide plate portion
There is plate portion 8631, plate portion 8631 passes through the jack 8611 in the first fixed plate portion 861 to installation cavity on 863 free end
847 inner bottom surface extends, and plate portion 8631 is slidably matched with jack 8611, when installing special optical filter 85, special optical filtering
The edge of piece 85 compresses arc panel portion 862, so that arc panel portion 862 generates deformation, so that support slide plate portion 863 is in lower cover 84
It is slid on side wall to the opening direction of lower cover 84, until the installation cavity 847 in lower cover 84 is kept out in one end of special optical filter 85
On inner bottom surface, then upper cover 83 is installed, the threaded portion 832 of upper cover 83 can squeeze the side in arc panel portion 862, make arc panel portion
862 generate deformation, and make to support slide plate portion 863 in the inside slip at wall of lower cover 84, and make plate portion 8631 in jack 8611
Inner bottom surface towards installation cavity 847 slides, so that the other side in the arc panel portion 862 of deformation tightly compresses special optical filtering
Piece 85 is axially held special optical filter 85 reliably in installation cavity 847, and three outer fasteners 86 are along the circumferential equal of lower cover 84
Even interval setting, three outer 86 collective effects of fastener can make outer fastener 86 relatively reliable to the clamping of special optical filter, in addition, outside
The number of fastener 86 can also be four or five.
In the present embodiment, as shown in Fig. 2, Fig. 5, Fig. 6, Figure 11, radial positioning component 87 includes: position-limiting drum 871, the decorative pearl on top of an official cap
872, closeouts 874 and extruding spring 873, position-limiting drum 871 have base ring portion 8711 and several limit claws 8712, several
Limit claw 8712 is arranged at intervals in base ring portion 8711, and several limit claws 8712 pass through the on 84 side wall of lower cover
Two 843 internal stretches to lower cover 84 of perforation, the front end of limit claw 8712 have interior curved curved portion 87121,872 activity of the decorative pearl on top of an official cap
It is arranged in position-limiting drum 871, and the front end of the extended position-limiting drum 871 in top of the decorative pearl on top of an official cap 872 and is pressed on special optical filter 85
On peripheral wall, the aperture in the hole that curved curved portion 87121 surrounds in several is less than the diameter of the decorative pearl on top of an official cap 872, can effectively prevent the decorative pearl on top of an official cap 872
It is fallen from the front end of position-limiting drum 871, closeouts 874 are fixed in threaded hole 844, and closeouts 874 are by the bottom of position-limiting drum 871
Ring portion 8711 is pressed on the bottom wall of threaded hole 844, is squeezed spring 873 and is arranged in position-limiting drum 871, and is located at the decorative pearl on top of an official cap 872
Between closeouts 874, when installing special optical filter 85, the edge of special optical filter 85 can compress the decorative pearl on top of an official cap 872, so that the decorative pearl on top of an official cap
872 are pressed into position-limiting drum 871, squeeze spring 873 and are compressed, the installation in lower cover 84 is kept out in one end to special optical filter 85
When on the inner bottom surface of chamber 847, the extruding spring 873 of deformation can push the decorative pearl on top of an official cap 872, be pressed on the top of the decorative pearl on top of an official cap 872 tightly
On the peripheral wall of special optical filter 85, three radial positioning components 87 are arranged along the circumferential uniform intervals of lower cover 84, and three radial directions are fixed
Special 85 radial positioning of optical filter and radial direction are clamped in installation cavity 847 by hyte part 87 jointly, in addition, radial positioning component 87
Number can also be four or five.
In the present embodiment, as shown in Fig. 2, Fig. 7, Fig. 8, card hook part 88 has sequentially connected second fixed plate portion 881, seat
Plate portion 882, straight plate part 883 and arc bent plate portion 884, the second fixed plate portion 881 is out of lower cover 84 on the bottom of lower cover 84
Third perforation 845, the part that third perforation 845 is stretched out in the second fixed plate portion 881 are bent on the outer wall for sticking on lower cover 84, shape
At one second bending part 8811, seat board portion 882 is embedded in the intrusion slot 846 of the inner bottom surface of installation cavity 847, and straight plate part 883 inclines
Tiltedly setting, and straight plate part 883 connects the one end in arc bent plate portion 884 towards the center position extension of lower cover 84, arc bent plate portion 884
One end be connected on straight plate part 883, the other end in arc bent plate portion 884 contradicts on straight plate part 883, when being packed into special optical filter
After 85, straight plate part 883 passes through the card slot 851 on special 85 periphery of optical filter to special optical filter from the side of special optical filter 85
85 other side, and the part of straight plate part 883 is pressed on the bottom surface of card slot 851, arc bent plate portion 884 is contradicted in special optical filter
Special optical filter 85 is axially positioned in installation cavity 847 by 85 other side, card hook part 88, and can prevent special optical filter 85 from existing
It is rotated around the axis of special optical filter 85 in installation cavity 847, three card hook parts 88 can make special optical filter 85 by more reliably
It is axially positioned in installation cavity 847, in addition, the number of card hook part 88 can also be four or five, card slot 851 is led with arc
Face 852, in order to which arc bent plate portion 884 passes through the other side that card slot 851 is fastened on special optical filter 85.
In the present embodiment, as shown in Figure 1, working principle: the light beam that point light source 7 emits forms approximate flat after convex lens 6
Row light, directional light are irradiated on the benchmark photosensitive sensor 3 on sample table 2 by the first optical filter 5, benchmark photosensitive sensor 3
The power of incident light is measured, incident intensity removes benchmark photosensitive sensor 3 after being measured, sample is placed on benchmark
On the position of photosensitive sensor 3, incident light is radiated on sample, and the light beam of sample reflection is by declining on neutral filtering apparatus 8
The different neutral filtering assembly 8A of lapse rate, then be transmitted on photosensitive sensor 10, when reflective light intensity, it is big attenuation rate can be switched
Special optical filter 85 so that the light into photosensitive sensor 10 is died down, measurement range and precision, photosensitive sensor are improved with this
10 can move up and down along viewing angle shifting axle 11, change viewing angle, to measure the retro-reflecting coefficient of the sample under different viewing angles.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of light path system of retro-reflecting coefficient test device characterized by comprising
Rack (1)；
Sample table (2), sample table (2) setting is in the side of the rack (1), (2) one side surface of the sample table installation
There are benchmark photosensitive sensor (3) or sample, the benchmark photosensitive sensor (3) is used to measure the power of incident light；
Light collecting barrel (4), light collecting barrel (4) setting are equipped with inside the other side of the rack (1), the light collecting barrel (4)
Point light source (7), the first optical filter (5) and convex lens (6)；
Viewing angle shifting axle (11) is provided with moveable slide (12) on the viewing angle shifting axle (11)；
Photosensitive sensor (10), the photosensitive sensor (10) are arranged on the slide (12), the photosensitive sensor (10)
Side motor (9) are installed；
Neutral filtering apparatus (8), the neutrality filtering apparatus (8) are connected in the rotary shaft of the motor (9), the neutral filter
Electro-optical device (8) has several neutral filtering assemblies (8A), by the light beam of sample reflection by the neutral filtering assembly (8A)
It is transmitted on the photosensitive sensor (10)；
Wherein, the neutral filtering assembly (8A) includes
One lower cover (84)；
One upper cover (83), the upper cover (83) are threaded on the lower cover (84)；
One special optical filter (85), the special optical filter (85) are mounted between the upper cover (83) and the lower cover (84),
It keeps out on the inner bottom surface of the installation cavity (847) of the lower cover (84) one end of the special optical filter (85)；
At least three outer fasteners (86), the outer fastener (86) are used to the special optical filter (85) being axially held the peace
It behave affectedly in (847)；
At least three radial positioning components (87), the radial positioning component (87) are used for the special optical filter (85) is radial
Positioning and radial direction are clamped in the installation cavity (847).
2. the light path system of retro-reflecting coefficient test device according to claim 1, which is characterized in that the neutral optical filtering
Device (8) also includes
One annulus (81), the annulus (81) are connected in the rotary shaft of the motor (9)；
Several connecting rods (82), one end of the connecting rod (82) is by being welded to connect on the annulus (81) periphery；
Wherein, the lower cover (84) is by being welded to connect the other end in corresponding connecting rod (82), the bottom of the lower cover (84)
Portion offers the second circular hole (841)；The threaded portion (832) of the upper cover (83) is threaded in corresponding lower cover (84), institute
It states and offers the first circular hole (831) at the top of upper cover (83).
3. the light path system of retro-reflecting coefficient test device according to claim 2, which is characterized in that the neutral optical filtering
Component (8A) also has at least three card hook parts (88), and the card hook part (88) is for special optical filter described in axially position
(85), and it can prevent the special optical filter (85) from rotating around the axis of the special optical filter (85).
4. the light path system of retro-reflecting coefficient test device according to claim 3, which is characterized in that the outer fastener
(86) there is sequentially connected first fixed plate portion (861), arc panel portion (862) and support slide plate portion (863), described first is fixed
It perforates (842) out of the lower cover (84) across the first of the lower cover (84) and is fixed on first perforation in plate portion (861)
(842) in, the side of the arc panel portion (862) is pressed on the special optical filter (85), the arc panel portion (862)
The other side is pressed on the end face of the threaded portion (832), and support slide plate portion (863) supports in the inside of the lower cover (84)
On wall, it is described support slide plate portion (863) free end along the lower cover (84) inner bottom surface side from axis to the installation cavity (847)
To extension.
5. the light path system of retro-reflecting coefficient test device according to claim 4, which is characterized in that the support slide plate portion
(863) there are plate portion (8631) on free end, the plate portion (8631) passes through inserting for first fixed plate portion (861)
Hole (8611) extends to the inner bottom surface of the installation cavity (847), and the plate portion (8631) and the jack (8611) are slided
Cooperation.
6. the light path system of retro-reflecting coefficient test device according to claim 1, which is characterized in that the radial positioning
Component (87) includes:
Position-limiting drum (871), the front end of the position-limiting drum (871) sequentially pass through the threaded hole (844) on the lower cover (84) side wall
With the second perforation internal stretch of (843) to the lower cover (84)；
The decorative pearl on top of an official cap (872), the decorative pearl on top of an official cap (872) is movably arranged in the position-limiting drum (871), and the top of the decorative pearl on top of an official cap (872)
The front end of the extended position-limiting drum (871) is simultaneously pressed on the peripheral wall of the special optical filter (85)；
Closeouts (874), the closeouts (874) are fixed in the threaded hole (844), and the closeouts (874) will
The base ring portion (8711) of the position-limiting drum (871) is pressed on the bottom wall of the threaded hole (844)；
It squeezes spring (873), extruding spring (873) setting is located at the decorative pearl on top of an official cap in the position-limiting drum (871)
(872) between the closeouts (874).
7. the light path system of retro-reflecting coefficient test device according to claim 6, which is characterized in that the position-limiting drum
(871) there are several limits claw (8712), several limits claw (8712) are arranged at intervals on the base ring portion (8711)
On, and several limits claw (8712) pass through the described second perforation internal stretch of (843) to the lower cover (84), and it is described
The front end for limiting claw (8712) has interior curved curved portion (87121), the hole in the hole that curved curved portion (87121) surrounds in several
Diameter is less than the diameter of the decorative pearl on top of an official cap (872).
8. the light path system of retro-reflecting coefficient test device according to claim 3, which is characterized in that the card hook part
(88) there is sequentially connected second fixed plate portion (881), seat board portion (882), straight plate part (883) and arc bent plate portion (884), institute
State third perforation (845) of the second fixed plate portion (881) out of the lower cover (84) on the bottom of the lower cover (84) simultaneously
It is fixedly connected on the third perforation (845), the seat board portion (882) is embedded in the inner bottom surface of the installation cavity (847)
In intrusion slot (846), the straight plate part (883) passes through the special optical filter (85) from the side of the special optical filter (85)
The other side of card slot (851) the extremely special optical filter (85) on periphery, and the part of the straight plate part (883) is pressed on institute
On the bottom surface for stating card slot (851), arc bent plate portion (884) is contradicted in the other side of the special optical filter (85).
9. the light path system of retro-reflecting coefficient test device according to claim 8, which is characterized in that the card slot
(851) have arc guide face (852), in order to arc bent plate portion (884) pass through the card slot (851) be fastened on it is described special
The other side of optical filter (85).
10. the light path system of retro-reflecting coefficient test device according to claim 1, which is characterized in that the reference light
Dependent sensor (3), the first optical filter (5), convex lens (6) and point light source (7) central point in the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174334.5A CN109342371B (en) | 2018-10-09 | Light path system of retroreflection coefficient testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174334.5A CN109342371B (en) | 2018-10-09 | Light path system of retroreflection coefficient testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109342371A true CN109342371A (en) | 2019-02-15 |
| CN109342371B CN109342371B (en) | 2024-05-14 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557348A (en) * | 2021-01-04 | 2021-03-26 | 中交国通公路工程技术有限公司 | Contrary reflectance tester convenient to use |
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| US4917490A (en) * | 1988-02-04 | 1990-04-17 | The Boeing Company | Boresight alignment measuring apparatus and method for electro-optic systems |
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Address after: 330000 No. 1899, Jinsha Second Road, Xiaolan Economic Development Zone, Nanchang County, Nanchang City, Jiangxi Province Applicant after: Textile Inspection and Testing Institute of Jiangxi Provincial Inspection, Testing and Certification General Institute Applicant after: WENZHOU FANGYUAN INSTRUMENT Co.,Ltd. Address before: No. 2 Torch 2nd Road, Gongqing City Youth Entrepreneurship Base, Jiujiang City, Jiangxi Province, 2020 Applicant before: JIANGXI PROVINCIAL CENTER FOR QUALITY INSPECTION AND SUPERVISION ON DOWN PRODUCTS Applicant before: WENZHOU FANGYUAN INSTRUMENT Co.,Ltd. |
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