CN105928882B - A kind of hand-held retroreflective marking measuring instrument - Google Patents
A kind of hand-held retroreflective marking measuring instrument Download PDFInfo
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- CN105928882B CN105928882B CN201610251301.0A CN201610251301A CN105928882B CN 105928882 B CN105928882 B CN 105928882B CN 201610251301 A CN201610251301 A CN 201610251301A CN 105928882 B CN105928882 B CN 105928882B
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- opening
- light source
- camera bellows
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- reflective mirror
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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
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of hand-held retroreflective marking measuring instruments, its key points of the technical solution are that including optics camera bellows and light source, light source is arranged in optics camera bellows, the surface of optics camera bellows is provided with opening, light source is located on the opposite two end plates of optics camera bellows with opening, opening is provided with the sample for blocking opening, the optical detector detected to the light of sample reflection is provided on optics camera bellows, reflective mirror arranged in parallel is respectively and fixedly connected on two end plates, reflective mirror is formed with an acute angle between the end plate at place, wherein two pieces of reflective mirrors are located at the opposite place of light source and opening, the semi-transparent semi-reflecting lens being obliquely installed are provided between the reflective mirror of light source corresponding thereto, achieve the purpose that easy to operate.
Description
Technical field
The present invention relates to a kind of highway traffic sign security measurement technical field, in particular to a kind of hand-held reflex reflection mark
Will measuring instrument.
Background technique
Retroreflective marking measuring instrument is the special instrument that coefficient is penetrated for measuring traffic sign material back, is suitable for material
The quality control and inspection to retroreflective marking material such as production unit, quality supervised department, engineering construction and supervisor.
Application No. is a kind of reflex reflection measuring device, technology are disclosed in 201420234977.5 Chinese invention patent
Main points be include optics camera bellows, light source and optical detector, light source and optical detector are arranged in optics camera bellows, optics camera bellows
Surface is provided with opening, and sample is placed on opening, blocks opening by sample, the light that optical detector is used to reflect sample into
Row detection.Reflecting material is placed on optics camera bellows by the way that optical detector and light source to be put into optics camera bellows by the invention
Opening so that optical detector is only able to detect the light that reflecting material reflects light source in optics camera bellows, and passes through
Positional relationship between fixed light source, reflecting material and optical detector three makes it possible to as the production of support reflex reflection in practice
Product provide reliable theoretical foundation and data are supported.
Requirement when due to measurement to light distance in cabinet, the volume of the retroreflective marking measuring device are in long tubular,
The length of its length substantially optical path, such retroreflective marking measuring device cause to operate not just because its volume is excessive
Just, while being also inconvenient to hold.
In consideration of it, inventor feels the need to provide a kind of new retroreflective marking measuring instrument, can be measured reducing
When instrument volume, the length of optical path still can guarantee, it is ensured that the accuracy of measurement.
Summary of the invention
The object of the present invention is to provide a kind of hand-held retroreflective marking measuring instruments, by cabinet inside reflecting mirror to light source
The reflection of light shortens the length of cabinet, to solve device operation on the basis of reaching measurement optical link range request
Be inconvenient to the problem held.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of hand-held retroreflective marking
Measuring instrument, including optics camera bellows and light source, light source are arranged in optics camera bellows, and the surface of optics camera bellows is provided with opening, light source
It is located on the opposite two end plates of optics camera bellows with opening, opening is provided with the sample for blocking opening, on optics camera bellows
It is provided with the optical detector that is detected of light to sample reflection, is respectively and fixedly connected on two end plates arranged in parallel reflective
Mirror, reflective mirror are formed with an acute angle between the end plate at place, wherein two pieces of reflective mirrors are located at light source and opening
It is opposite to locate, the semi-transparent semi-reflecting lens being obliquely installed are provided between the reflective mirror of light source corresponding thereto.
By above technical scheme, when detecting to sample, incident light issues from light source, and a part of light passes through
Semi-transparent semi-reflecting lens reach the opposite reflective mirror of light source, then reflex to light on opposite reflective mirror, final direct projection to opening
Sample on；Sample directly reflects light, arrives again at semi-transparent semi-reflecting lens, has by the light backtracking that sample reflects
The light of a part is reflexed at optical detector by semi-transparent semi-reflecting lens, is then detected by optical detector；By the reflection of light,
While ensure that optical path length, the length of optics camera bellows is shortened, while suitably expanding the width of optics camera bellows, optics
Camera bellows is integrally in cuboid, to solve the problems, such as that device is inconvenient for operation hand-held.
Preferably, being connected with light conducting cylinder on end plate, light source is located in light conducting cylinder, and semi-transparent semi-reflecting lens are fixed in light conducting cylinder and end
The affixed other end of plate.
By above technical scheme, light conducting cylinder plays certain focusing light effect, and the light that light source issues is gathered together, so that
Light is more concentrated and is projected along straight line, ensure that the effect of light source；Also the setting of convenient semi-transparent semi-reflecting lens simultaneously, conveniently enters
Light is penetrated to pass through.
Preferably, reflective mirror is two pieces and shape is identical, the area of the reflective mirror opposite with light source is less than opposite with opening
Reflective mirror area.
By above technical scheme, the light of light source first when be irradiated on the lesser reflective mirror of area, can be by smaller
Reflective mirror carries out primary filtration to the light of injection, only reflects the light in centre, guarantees that the collection of light neutralizes intensity.
Preferably, the opening on same end plate and setting between light source and reflective mirror on same end plate and between reflective mirror
It is equipped with block piece, block piece is detachably fixed with optics camera bellows and connect.
Through the above technical solutions, determining the length and size of block piece by the calculating to related angle and size, making
Optics camera bellows interior lights road is propagated while do not stopped by block piece, prevent the diffusing reflection light occurred in light communication process
Or the light not by sample reflection is reached directly at semi-transparent semi-reflecting lens since the angle of divergence of light is excessive, guarantee these
Light can block, and solve the interference of adjacent optical path, concentrate light source to issue the light with sample reflex reflection, to solve
Testing result precision relatively low problem.
Preferably, block piece is baffle, slot, baffle side and slot grafting are offered on end plate.
Through the above technical solutions, baffle is more light, while with the cooperation of slot so that the stabilization of installation more, convenient
It is hand-held.
Preferably, baffle outwardly protrudes to form fixed part close to slot-side, the thickness of fixed part is greater than the thickness of baffle
And step is formed between baffle.
It is on the one hand the installation for facilitating baffle through the above technical solutions, only having thickeied the thickness of fixed part, so that
Baffle fixation is more secured；On the other hand, can it is appropriate reduce baffle itself weight, do not allow yet it is easier that baffle occur
Damage, avoids baffle thickness same as fixed part.
Preferably, be formed with fixation hole at step, be provided with fixing bolt at fixation hole, fixing bolt pass through fixation hole with
End plate is threadedly coupled.
Through the above technical solutions, further ensure the fixed fastness of baffle, while fixation is more convenient, cost compared with
It is low.
Preferably, the block piece of opening side is to block cylinder, opening is located on the center line for blocking cylinder.
Through the above technical solutions, cone can play certain focusing light effect, guarantee the intensity of the light of sample reflection,
Also avoid some surroundings how illumination is mapped on sample.
Formation optically focused section outside optics camera bellows, the sloped-end setting of optically focused section are extended to preferably, blocking cylinder and passing through opening
Bearing surface is formed, cone is detachably fixed with optics camera bellows and connect.
Through the above technical solutions, being connected on bearing surface when sample, also there are certain gradient, state's daily life of a family
It is usually -4 degree, also will do it replacement sometimes certainly, such setting facilitates its replacement, while fixation is also comparatively
Stablize.
Preferably, being formed at least two weight loss grooves on optics camera bellows, reinforcing rib is formed between adjacent weight loss groove.
Through the above technical solutions, the weight of retroreflective marking measuring instrument entirety is alleviated, to facilitate retroreflective marking
The holding of measuring instrument, by the support of reinforcing rib, ensure that light while ensure that mitigation retroreflective marking measuring instrument weight
The overall structural strength of camera bellows is learned, guarantees that optics camera bellows is less likely to occur to damage.
In conclusion the invention has the following advantages: can be while cone is arranged, in other side setting
Baffle guarantees whole lighter in weight in this way, also can guarantee that there are good shaded effect in two sides, in the light reflection on sample
Also there is certain spotlight effect.The length of optics camera bellows is shorter on the whole simultaneously, there is certain width, cone and light conducting cylinder point
Not Wei Yu diagonal angle, play certain balanced action, further facilitate hand-held.
Detailed description of the invention
Fig. 1 is hand-held retroreflective marking measuring instrument external structure schematic diagram；
Fig. 2 is the hand-held retroreflective marking measuring instrument schematic diagram of internal structure of prominent light conducting cylinder side；
Fig. 3 is the hand-held retroreflective marking measuring instrument schematic diagram of internal structure of prominent cone side；
Fig. 4 is the schematic diagram of internal structure of the hand-held retroreflective marking measuring instrument of prominent semi-transparent semi-reflecting lens.
In figure, 1, optics camera bellows；11, end plate；111, slot；112, it is open；12, side plate；121, weight loss groove；122, reinforce
Muscle；2, stepped hole；3, reflective mirror；31, supporting table；4, light conducting cylinder；5, baffle；51, fixed part；52, step；6, cone；61,
Optically focused section；7, semi-transparent semi-reflecting lens.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.The wherein identical appended drawing reference of identical components
It indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to it is attached
Direction in figure, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from geometric center of specific component
Direction.
Embodiment 1: as shown in Figure 1, a kind of hand-held retroreflective marking measuring instrument, including optics camera bellows 1, optics camera bellows 1
Whole the both ends of optics camera bellows 1 are end plate 11 in a rectangular parallelepiped shape, are side plate 12 between two end plates 11.Wherein opened on block end plate 11
Equipped with 52 hole 2 of step, step is provided with light source in 52 hole 2, and light source extends in optics camera bellows 1, and setting in this way facilitates light source
Replacement.
As shown in Fig. 2, offering opening 112 on one piece of end plate 11 opposite with the setting end plate 11 of light source, sample is set
It sets at opening 112.In combination with Fig. 2 and Fig. 3, the inner surface of two end plates 11 is connected with reflective mirror 3, can be and passes through spiral shell
Reflective mirror 3 is fixed in a supporting table 31 by bolt, so that reflective mirror 3 is inclined to set, is formed between reflective mirror 3 and end plate 11
There is an acute angle.
Meanwhile at light source, be connected with light conducting cylinder 4 on the inner wall of end plate 11, light conducting cylinder 4 protrude end plate 11 it is certain away from
From, and light source can extend in light conducting cylinder 4.Being connected with the semi-transparent semi-reflecting lens 7(being obliquely installed in the end of light conducting cylinder 4 can join
Examine Fig. 4), light a part that light source is projected from light conducting cylinder 4 is reflected through semi-transparent semi-reflecting lens 7, and another part penetrates semi-transparent semi-reflecting lens 7
In direct projection to opposite reflective mirror 3, then light is reflexed on another reflective mirror 3 by this reflective mirror 3.
And the shape of two reflective mirrors 3 is identical, can be rectangle, square or circle, it is opposite with light source
Reflective mirror 3 size be less than another piece of reflective mirror 3.
It is provided with baffle 5 before reflective mirror 3 and light conducting cylinder 4 on same end plate 11, the side of baffle 5 is provided with fixed part
51, the thickness of fixed part 51 is greater than the thickness of baffle 5 itself, and step 52 is formed between fixed part 51 and baffle 5.End plate
Slot 111 is provided on 11, bearing is plugged in slot 111, is provided with fixation hole at the step 52 of fixed part 51, fixed
Hole can be three, and the fixing bolt being arranged at fixation hole passes through fixation hole and fixed part 51 is fixed on end plate 11.Baffle 5 with
The adjacent two side walls of fixed part 51 are contacted with the inner wall of 1 side plate 12 of optics camera bellows respectively.
Cone 6 is provided between the 11 inside reflective mirror 3 of end plate and opening 112 of the other end, cone 6 and baffle 5 are equal
Belong to shading piece, plays certain effect for blocking veiling glare.Cone 6 can extend to 1 outside shape of optics camera bellows from the place of outputing
At optically focused section 61, and the bearing surface to be formed and be contacted with sample is obliquely installed when the end of optically focused section 61.The outer circle of cone 6
Fixed plate is extended outward to form on circumferential surface, fixed plate is detachably fixed with end plate 11 by bolt and is connect.
Offer weight loss groove 121 on the side plate 12 of optics camera bellows 1, weight loss groove 121 can square or regular hexagon,
Reinforcing rib 122 is formed between adjacent weight loss groove 121.
When detecting to sample, incident light issues from light source, and a part of light passes through semi-transparent semi-reflecting lens 7 and reaches light
The opposite reflective mirror 3 in source, then reflexes to light on opposite reflective mirror 3, and final direct projection is on the sample at opening 112；Examination
Sample directly reflects light, arrives again at semi-transparent semi-reflecting lens 7 by the light backtracking that sample reflects, the light of some
It is reflexed at optical detector by semi-transparent semi-reflecting lens 7, is then detected by optical detector；By the reflection of light, ensure that
While optical path length, the length of optics camera bellows 1 is shortened, while suitably expanding the width of optics camera bellows 1, optics camera bellows 1
Whole is in cuboid, to solve the problems, such as that device is inconvenient for operation hand-held.
Embodiment 2: unlike the first embodiment, similarly cone 6 has been changed into baffle 5 being arranged, at this time two gears
The mounting means of plate 5 is identical.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (6)
1. a kind of hand-held retroreflective marking measuring instrument, including optics camera bellows (1) and light source, light source is arranged in optics camera bellows (1)
Interior, the surface of optics camera bellows (1) is provided with opening (112), and it is opposite that light source and opening (112) are located at optics camera bellows (1)
On two end plates (11), it is provided with the sample for blocking opening (112) at opening (112), optics camera bellows is provided on (1) to sample
The optical detector that the light of reflection is detected, it is characterised in that: be respectively and fixedly connected on two end plates (11) arranged in parallel
Reflective mirror (3), reflective mirror (3) are formed with an acute angle between the end plate at place (11), wherein two pieces of reflective mirrors (3) are respectively
Positioned at the opposite place of light source and opening (112), semi-transparent half be obliquely installed is provided between the reflective mirror (3) of light source corresponding thereto
Anti- mirror (7)；It is connected on end plate (11) light conducting cylinder (4), light source is located in light conducting cylinder (4), and semi-transparent semi-reflecting lens (7) are fixed in leaded light
Cylinder (4) and end plate (11) affixed other end；Reflective mirror (3) is two pieces and shape is identical, the reflective mirror (3) opposite with light source
Area is less than the area of the reflective mirror (3) opposite with opening (112)；Between light source and reflective mirror (3) on same end plate (11)
And the opening (112) on same end plate (11) and block piece is provided between reflective mirror (3), block piece and optics camera bellows (1)
It is detachably fixed connection；The block piece of opening (112) side is to block cylinder, and opening (112) is located on the center line for blocking cylinder.
2. hand-held retroreflective marking measuring instrument according to claim 1, it is characterised in that: the light on same end plate (11)
The block piece between source and reflective mirror (3) is baffle (5), is offered slot (111) on end plate (11), baffle (5) side
With slot (111) grafting.
3. hand-held retroreflective marking measuring instrument according to claim 2, it is characterised in that: baffle (5) is close to slot
(111) side outwardly protrudes to be formed fixed part (51), the thickness of fixed part (51) be greater than the thickness of baffle (5) and with baffle (5)
Between formed step (52).
4. hand-held retroreflective marking measuring instrument according to claim 3, it is characterised in that: be formed at step (52) solid
Determine hole, fixing bolt is provided at fixation hole, fixing bolt passes through fixation hole and is threadedly coupled with end plate (11).
5. hand-held retroreflective marking measuring instrument according to claim 1, it is characterised in that: block cylinder and pass through opening
(112) it extends to optics camera bellows (1) and forms optically focused section (61) outside, the sloped-end of optically focused section (61) is arranged to form bearing surface, hides
Light cylinder (6) is detachably fixed with optics camera bellows (1) and connect.
6. according to claim 1 to hand-held retroreflective marking measuring instrument described in 5 any one, it is characterised in that: Optical Dark Solitary Pulse
It is formed on case (1) at least two weight loss grooves (121), forms reinforcing rib (122) between adjacent weight loss groove (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251301.0A CN105928882B (en) | 2016-04-21 | 2016-04-21 | A kind of hand-held retroreflective marking measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251301.0A CN105928882B (en) | 2016-04-21 | 2016-04-21 | A kind of hand-held retroreflective marking measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105928882A CN105928882A (en) | 2016-09-07 |
| CN105928882B true CN105928882B (en) | 2019-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610251301.0A Active CN105928882B (en) | 2016-04-21 | 2016-04-21 | A kind of hand-held retroreflective marking measuring instrument |
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| Country | Link |
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| CN (1) | CN105928882B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241697B (en) * | 2019-05-20 | 2024-07-23 | 交通运输部公路科学研究所 | Mobile laboratory type road surface condition testing device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201488945U (en) * | 2009-09-04 | 2010-05-26 | 胡辉 | Hand-held automotive retroreflective marking testing instrument |
| CN203908936U (en) * | 2014-05-08 | 2014-10-29 | 韩越 | Back reflection measuring device |
| CN104406937A (en) * | 2014-11-28 | 2015-03-11 | 安徽联合安全科技有限公司 | Optical system for measuring retro-reflecting coefficient |
-
2016
- 2016-04-21 CN CN201610251301.0A patent/CN105928882B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201488945U (en) * | 2009-09-04 | 2010-05-26 | 胡辉 | Hand-held automotive retroreflective marking testing instrument |
| CN203908936U (en) * | 2014-05-08 | 2014-10-29 | 韩越 | Back reflection measuring device |
| CN104406937A (en) * | 2014-11-28 | 2015-03-11 | 安徽联合安全科技有限公司 | Optical system for measuring retro-reflecting coefficient |
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| Publication number | Publication date |
|---|---|
| CN105928882A (en) | 2016-09-07 |
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