CN205691498U - A kind of detection device of concrete material reflective function - Google Patents
A kind of detection device of concrete material reflective function Download PDFInfo
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- CN205691498U CN205691498U CN201620598070.6U CN201620598070U CN205691498U CN 205691498 U CN205691498 U CN 205691498U CN 201620598070 U CN201620598070 U CN 201620598070U CN 205691498 U CN205691498 U CN 205691498U
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Abstract
The utility model discloses the detection device of a kind of concrete material reflective function, including camera bellows, bunchy light generation system, light sensor and display device, concrete sample to be measured is positioned over the bottom of camera bellows；Light sensor is arranged on camera bellows inwall, and light sensor is connected with display device；Bunchy light generation system includes light source and light-path, bunchy Ray obliquity is radiated on the tested surface of concrete sample to be measured by light source by light-path, there is diffuse-reflectance, light sensor receives signal, by display device, optical signal changed into quantifiable signal and show, being calculated the reflective function equivalent of concrete sample to be measured by quantifiable signal.This device can regulate the parameters such as light source incidence angle, intensity of illumination, may be used to simulate various in the case of the reflective process of material.Owing to the irreflexive optical signal of light beam can be received by light sensor, and convert and show, can more intuitively observe the reflective function of material.
Description
Technical field
This utility model relates to field of road, is specifically related to the detection device of a kind of concrete material reflective function.
Background technology
In modern construction, the application of concrete material is more and more extensive, and correspondingly, the development of concrete material is also
Present high-performance, multidirectional trend.At present in the engineerings such as road, bridge, tunnel, concrete road surface, highway roadside stone
And tunnel inner wall etc. is increasing on the impact of road traffic safety, to concrete in Practical Project at the reflective function at night
The detection demand of material reflective function the most constantly increases, and research related to this also begins to carry out.But traditionally to concrete
The detection of material reflective does not occurs improving effective detection means or detection equipment temporarily.The most not yet occur for concrete material
Material reflective function detection equipment, be unfavorable for correlational study and job site detection carry out.
Utility model content
In order to solve the blank of concrete material reflective function detection device present in prior art, of the present utility model
Purpose is to provide the detection device of a kind of concrete material reflective function.This detection device is a kind of to utilize sensitive photoconductive resistance
Optically and electrically property quantification evaluates the detection device of concrete material reflective function, can simulation concrete material night effectively
Reflective process, and the reflective function of concrete material is made quantitative assessment, and there is low cost, easy and simple to handle and ring
The advantages such as border is adaptable.
Another purpose of the present utility model is to provide the detection method of above-mentioned concrete material reflective function detection device.
The detection device that 3rd purpose of the present utility model is to provide above-mentioned concrete material is anti-at detection other materials
Application in optical property.
For achieving the above object, the technical solution of the utility model is:
The detection device of a kind of concrete material reflective function, including camera bellows, bunchy light generation system, light sensor
And display device, concrete sample to be measured is positioned over the bottom of camera bellows；Light sensor is arranged on camera bellows inwall, and photosensitive biography
Sensor is connected with display device；Bunchy light generation system includes light source and light-path, and light source passes through light-path by bunchy light
Being radiated at obliquely on the tested surface of concrete sample to be measured, diffuse-reflectance occurs, light sensor receives signal, is filled by display
Put and optical signal is changed into quantifiable signal and shows, calculated the reflective function equivalent of concrete sample to be measured by quantifiable signal.
Preferably, the tested surface of concrete sample to be measured is upper surface or side, and light sensor deviation bunchy light
Reflection path arrange.
It is further preferred that the upper surface that the tested surface of concrete to be measured is concrete sample to be measured, light sensor sets
It is placed on the inwall on camera bellows top.
Preferably, described light sensor is arranged at concrete sample to be measured at the projection of camera bellows inwall.
It is further preferred that the normal weight of the line of the point of irradiation that light is on tested surface and light sensor and light
Close.
It is further preferred that the center that the point of irradiation that light is on tested surface is described tested surface, described photosensitive biography
Sensor is arranged at the concrete sample to be measured center in the projection of camera bellows inwall.
Light point of irradiation is the center of test specimen test surfaces and incident ray is at an angle of with this test surfaces, if test surfaces does not occurs
Diffuse-reflectance then this test surfaces is unlikely to receive reflection light in the projected centre point of inwall, and detection reflection light herein more can be said
The diffuse-reflectance of bright test surfaces；And be arranged at center and can receive reflection illumination to a greater degree, make resistance variations become apparent from.
Preferably, camera bellows inwall is coated with one layer of black rough material layer.
The purpose covering black rough material is to weaken the reflection of camera bellows inwall self, it is ensured that the light that photoconductive resistance receives
It all is from the reflection in concrete NDT face.
Preferably, described detection device is additionally provided with the clamping device of concrete sample to be measured, and clamping device is arranged at secretly
The bottom of case.
Preferably, described light source is LED light source.
Preferably, described light sensor is photocell, photomultiplier tube, photoconductive resistance or phototriode.
It is further preferred that described light sensor is photoconductive resistance.
Further preferred, described display device is ohmmeter.
Ohmmeter can show the resistance value of photoconductive resistance, and concrete material diffuse-reflectance coefficient is the biggest, and photoconductive resistance accepts
Intensity of illumination the biggest, its change in resistance is the most obvious.Changing value according to photoconductive resistance resistance can the examination of quantitative assessment concrete
The reflective function of part.
Further preferred, the display screen of described ohmmeter is arranged on the outer wall of camera bellows.It is easy to observe.
Preferably, described black rough material layer is aluminium oxide and silicon carbide blend coating, with synthetic resin for bonding
Agent.I.e. black rough material layer is identical with the granule composition of sand paper.
Preferably, the tested surface of described concrete sample to be measured is and the plane of camera bellows inwall general parallel orientation.
It is further preferred that described light-path is 30-45 ° relative to the angle of inclination of concrete sample tested surface to be measured.
It is the most weak that the too small meeting in angle of inclination causes reflecting light, is unfavorable for that photoconductive resistance receives；Angle of inclination is excessive, photosensitive electricity
Resistance can be affected by incident ray, is unfavorable for detection equally.
Preferably, described light-path is to be made up of a hollow pipeline, and light source is positioned at the hollow position of pipeline.
Preferably, described light sensor is arranged at the center position on camera bellows top.
Utilize above-mentioned concrete material reflective function detection device to carry out the detection method detected, comprise the steps:
1) concrete sample to be measured is placed in camera bellows, and covers and camera bellows inwall on the surface of concrete sample to be measured
Identical black rough material layer；
2) regulate the angle of inclination of light-path, open light source, make light beam occur unrestrained at the tested surface of concrete sample to be measured
Reflection；
3) stand a period of time to the registration of display device stable after, read registration value A now0；
4) the black rough material layer on concrete sample surface to be measured is taken off；The angle of inclination keeping light-path is constant, weight
New measurement, reads registration value A；
5) A and A0The product of the difference reflective function equivalent corresponding with unit change amount, obtain concrete sample to be measured
Reflective function equivalent.
Preferably, described light sensor is photoconductive resistance, and display device is ohmmeter.
It is further preferred that step 5) in, the computing formula of the reflective function equivalent of concrete sample to be measured is: Y=(A-
A0) × B, wherein, B is the reflective function equivalent that sensitive photoconductive resistance unit change amount is corresponding.
The application in detection associated materials reflective function of the above-mentioned concrete material reflective function detection device, especially in inspection
Survey the application in concrete reflective function.
Associated materials is mortar material, asphalt material, masonry material and surface layer pavement material etc..
Above-mentioned concrete material reflective function detection device is in the relation of research material surface texture Yu material reactivity worth
In application.
The beneficial effects of the utility model are:
1, the utility model proposes the model of a kind of easy simulation concrete reflecting at night process, this device can be adjusted
The joint parameter such as light source incidence angle, intensity of illumination, may be used to simulate various in the case of the reflective process of material.Owing to passing through
Light sensor receives the irreflexive optical signal of light beam, and converts and show, can more intuitively observe the reflective of material
Energy.
2, test device body is amassed and small and exquisite is easy to processing, it is easy to carrying and operate, to using, environmental requirement is low, and repeatable makes
With.
3, can be that the surface reflection performance studying other materials further provides a kind of new theory and thinking, disclose material
Contact between material surface texture and material reflective function.
Accompanying drawing explanation
Fig. 1 is that embodiment 1 detects device perspective view；
Fig. 2 is that embodiment 1 detects device front view structural representation；
Fig. 3 is that embodiment 1 detects device side perspective view；
Fig. 4 is the top structure schematic diagram that embodiment 1 detects device；
Fig. 5 is the structural representation of embodiment 2.
Wherein, 1, light source, 2, light sensor, 3, clamping device, 4, can folding front, 5, protractor, 6, ohmmeter shows
Display screen, 7, concrete sample to be measured.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, the detection device of a kind of concrete material reflective function, occur including camera bellows, bunchy light
System, light sensor 2 and display device, concrete sample to be measured is positioned over the bottom of camera bellows；Light sensor 2 is arranged at secretly
On the inwall on case top, preferably it is arranged at the center position on camera bellows top, and light sensor 2 is connected with display device；
Camera bellows inwall is coated with one layer of black rough material layer.
Bunchy light generation system includes light source 1 and light-path, and bunchy Ray obliquity is radiated at by light source by light-path
, there is diffuse-reflectance in the upper surface of concrete sample to be measured, light sensor receives signal, is converted by optical signal by display device
Become quantifiable signal and show, being calculated the reflective function of concrete sample to be measured by quantifiable signal.Described light-path is by one
Hollow pipeline is constituted, and light source is positioned at the hollow position of pipeline, seals and arranges, it is also possible to need not seal and set between light source and pipeline
Put, it is only necessary to form a light beam.
The bottom of described detection device is additionally provided with the clamping device 3 of concrete sample to be measured, and clamping device 3 is used for clamping
Concrete sample to be measured, its method of clamping is armstrong's patent clamping, and clamping action position is concrete sample side, mixed to ensure
Solidifying soil test specimen does not haves displacement and rotation in test process.
Light source can be the light source that can send light beam arbitrarily, preferably LED light source, and LED light source has energy and converts
Rate is high, the advantage such as environmental protection, sturdy and durable, life-span length.
Described light sensor 2 is photocell, photomultiplier tube, photoconductive resistance or phototriode, the most photosensitive electricity
Resistance.
Described display device is ohmmeter display screen 6.Ohmmeter display screen 6 can detect and show the resistance of photoconductive resistance
Value.
Described ohmmeter display screen 6 is arranged on the outer wall of camera bellows.It is easy to observe.
Described black rough material layer be (aluminium oxide and coat of silicon carbide, with synthetic resin as binding agent, i.e. sand paper
Grain composition, now requires levigate.
Camera bellows casing length 0.5 meter, wide 0.4 meter, high 0.4 meter；Specimen holder platform is positioned at casing bottom surface center, is shaped as limit
The square of long 15 centimetres, camera bellows material is hard aluminium alloy.
The upper surface of described concrete sample to be measured is and the plane of horizontal plane general parallel orientation.
Described light-path is 30-45 ° relative to the angle of inclination of the upper surface of concrete sample to be measured, and angle of inclination is too small
Can cause reflecting light the most weak, be unfavorable for that photoconductive resistance receives；Angle of inclination is excessive, and photoconductive resistance can be by the shadow of incident ray
Ring, be unfavorable for detection equally.
Operational approach is:
1) camera bellows of opening detecting device, is placed to assigned position by concrete sample to be measured and fixes, then to be measured
Concrete sample surface covers the black rough material identical with camera bellows inwall.Close camera bellows, open bunchy light generating device,
Stand a period of time extremely sensitive ohmmeter stable reading, read photoconductive resistance resistance now, be designated as R0.This step time-and-motion study
Being that the reflection of camera bellows inwall self is for the effect of photoconductive resistance when without detection test specimen, the change of hereafter photoconductive resistance resistance is complete
Entirely come from the reflection of test specimen detection faces, the photoconductive resistance change in resistance amount △ R in lower stepi=Ri-R0Be test specimen reflective for
The influence amount of resistance.
2) close bunchy light generating device, the camera bellows of opening detecting device, take off step 1) in be covered in concrete examination
The black rough material on part surface, closes camera bellows, is opened into light source beam generating means, stands a period of time to the reading of sensitive ohmmeter
Number is stable, reads photoconductive resistance resistance now, is designated as R1.Twice photoconductive resistance change in resistance amount △ R1=R1-R0, then this mixes
The reflective function equivalent of solidifying soil test specimen can be designated as Y1=△ R1× B, if that to be sensitive photoconductive resistance unit change amount corresponding is reflective for B
Performance equivalent.
3) repeat the above steps obtains 3 groups of Y values.If 3 groups of Y value difference are not quite, take the meansigma methods of 3 class values.If in 3 groups of Y values
Have one group to deviate considerably from then to give up this class value in other two class values and take the meansigma methods of remaining two groups of phase close values.If it is poor between 3 class values
The most then give up this result, re-start detection.
Embodiment 2
As it is shown in figure 5, the side that detection faces now is concrete sample 7 to be measured, light source 1 and concrete sample 7 to be measured
Center is with height, and light sensor 2 is positioned at the concrete sample 7 to be measured view field in side, and light irradiates tested surface, irradiates
Point is the center of concrete sample 7 to be measured, and bunchy light is caught by light sensor at tested surface generation diffuse-reflectance, some light
Catching, and pass out signal, principle is same as in Example 1.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not to utility model
The restriction of protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, this area
Technical staff need not to pay various amendments or deformation that creative work can make still at protection domain of the present utility model
In.
Claims (10)
1. the detection device of a concrete material reflective function, it is characterised in that: include camera bellows, bunchy light generation system,
Light sensor and display device, concrete sample to be measured is positioned over the bottom of camera bellows；Light sensor is arranged at camera bellows inwall
On, and light sensor is connected with display device；Bunchy light generation system includes light source and light-path, and light source passes through light-path
Being radiated on the tested surface of concrete sample to be measured by bunchy Ray obliquity, diffuse-reflectance occurs, light sensor receives signal,
By display device, optical signal changed into quantifiable signal and show, calculating the reflective of concrete sample to be measured by quantifiable signal
Performance equivalent.
Detection device the most according to claim 1, it is characterised in that: camera bellows inwall is coated with one layer of black rough material
Layer.
Detection device the most according to claim 1, it is characterised in that: described detection device is additionally provided with concrete to be measured examination
The clamping device of part, clamping device is arranged at the bottom of camera bellows.
Detection device the most according to claim 1, it is characterised in that: described light sensor is photocell, photomultiplier transit
Pipe, photoconductive resistance or phototriode.
Detection device the most according to claim 4, it is characterised in that: described light sensor is photoconductive resistance.
Detection device the most according to claim 1, it is characterised in that: the tested surface of concrete sample to be measured be upper surface or
Side, and the reflection path setting of light sensor deviation bunchy light.
Detection device the most according to claim 6, it is characterised in that: the tested surface of concrete to be measured is concrete to be measured examination
The upper surface of part, light sensor is arranged on the inwall on camera bellows top.
Detection device the most according to claim 1, it is characterised in that: described light sensor is arranged at concrete to be measured examination
Part is at the projection of camera bellows inwall.
Detection device the most according to claim 1, it is characterised in that: light point of irradiation on tested surface and light sensor
The line of device overlaps with the normal of light.
Detection device the most according to claim 9, it is characterised in that: light point of irradiation on tested surface be described in treat
The center in survey face, described light sensor is arranged at the concrete sample to be measured center in the projection of camera bellows inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598070.6U CN205691498U (en) | 2016-06-16 | 2016-06-16 | A kind of detection device of concrete material reflective function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620598070.6U CN205691498U (en) | 2016-06-16 | 2016-06-16 | A kind of detection device of concrete material reflective function |
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| Publication Number | Publication Date |
|---|---|
| CN205691498U true CN205691498U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620598070.6U Expired - Fee Related CN205691498U (en) | 2016-06-16 | 2016-06-16 | A kind of detection device of concrete material reflective function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842200A (en) * | 2016-06-16 | 2016-08-10 | 于乾 | Device and method of detecting light reflection performance of concrete material and application thereof |
| CN107202798A (en) * | 2017-06-27 | 2017-09-26 | 苏州天键衡电子信息科技有限公司 | A kind of surface dirt degree detector |
-
2016
- 2016-06-16 CN CN201620598070.6U patent/CN205691498U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842200A (en) * | 2016-06-16 | 2016-08-10 | 于乾 | Device and method of detecting light reflection performance of concrete material and application thereof |
| CN105842200B (en) * | 2016-06-16 | 2018-10-02 | 于乾 | A kind of detection method of concrete material reflective function |
| CN107202798A (en) * | 2017-06-27 | 2017-09-26 | 苏州天键衡电子信息科技有限公司 | A kind of surface dirt degree detector |
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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: 20161116 Termination date: 20170616 |