CN105866037A - Non-contact traffic road marking measuring instrument - Google Patents
Non-contact traffic road marking measuring instrument Download PDFInfo
- Publication number
- CN105866037A CN105866037A CN201610265179.2A CN201610265179A CN105866037A CN 105866037 A CN105866037 A CN 105866037A CN 201610265179 A CN201610265179 A CN 201610265179A CN 105866037 A CN105866037 A CN 105866037A
- Authority
- CN
- China
- Prior art keywords
- light
- semi
- measuring instrument
- mirror
- reflecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention relates to a non-contact traffic road marking measuring instrument which comprises the following components: a light source, a semitransparent semi-reflecting mirror, a collimating lens, a reflecting mirror, a spherical mirror, an optical detector, a control collecting device and a shell, wherein the shell has a light through hole; the light source, the semitransparent semi-reflecting mirror, the collimating lens, the reflecting mirror, the spherical mirror, the optical detector and the control collecting device are all mounted on the shell; the light emitted from the light source successively passes through a light path formed by the semitransparent semi-reflecting mirror, the collimating lens, the control collecting device, the reflecting mirror, the spherical mirror and the light through hole and is irradiated on a to-be-measured marking; and the adverse reflecting light of the marking returns along the light path and is reflected into the optical detector by the semitransparent semi-reflecting mirror. In the measuring process, the measured object and the instrument are not tightly glued to each other, and the measurement is realized by only covering faculae on the measured object, so that the external environment requirement in use is reduced, the measuring personnel is convenient to measure and the measurement experience requirement for the measuring personnel is reduced.
Description
Technical field
Present invention relates particularly to a kind of contactless traffic graticule measuring instrument, belong to traffic mark and measure
Field.
Background technology
Traffic graticule is mainly drawn and is located at road surface, is exposed to the weather, and sleet and snow ice suffers vehicle
Pounding wear, therefore its performance is had strict requirements.First require that drying time is short, simple to operate,
To reduce Coherent traffic noise；Next requires that albedo is strong, in bright gay color, and reflectance is strong, makes daytime, night
There is good visibility；3rd, there is skid resistance and wearability, to ensure traffic safety and service life,
And traffic marking heavy wear will certainly be made through abrasion for a long time and affect the albedo of traffic marking,
So considering between traffic safety, the detection to traffic marking is very important.
The instrument that contactless traffic marking the most ripe in prior art is measured, usually uses contact
Traffic marking measuring instrument is measured, and then carries out judgement by logarithm value and draws measurement result, and this quasi-instrument is surveyed
During amount, needing to cover testee, create a darkroom and measure, therefore this type of apparatus measures is to week
Enclosing environmental requirement higher, use skill requirement higher survey crew, once environment or personnel change,
The inaccuracy of measurement will certainly be there is, easily produce bigger error.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of contactless traffic road
The measuring instrument of marking lines reflectance measurement, can there is a spacing with testee when measuring in this instrument
From, need not cover testee creation darkroom can measure, and eliminates to external world on the impact measured, reduces
Use the requirement of environment and personnel's experience.
Concrete, the present invention provides a kind of contactless traffic graticule measuring instrument, described measuring instrument bag
Include following building block: light source, semi-permeable and semi-reflecting mirror, collimation lens, speculum, spherical mirror, light are visited
Survey device, control collection device and shell；Described shell has a light hole, described light source, semi-transparent semi-reflecting
Penetrate mirror, collimation lens, speculum, spherical mirror, photo-detector, control collection device are installed in shell
On；The light that described light source sends sequentially pass through semi-permeable and semi-reflecting mirror, collimation lens, control collection device,
Speculum, spherical mirror and the light path of light hole composition, irradiate graticule to be measured, described graticule converse
Penetrate light to return along above-mentioned light path, and reflexed in photo-detector by semi-permeable and semi-reflecting mirror.
Further, contactless traffic graticule measuring instrument as above, described light hole is one
Thin square hole.
Further, contactless traffic graticule measuring instrument as above, described light source is halogen tungsten lamp.
Further, contactless traffic graticule measuring instrument as above, the light of described light source leads to
Cross semi-permeable and semi-reflecting mirror, be radiated on collimation lens and focus on, focus on light through controlling collection device direct projection
On the mirror, being reflected mirror and reflex to spherical mirror, by focusing and the reflection of spherical mirror, light is from logical
Unthreaded hole injection forms a region hot spot.
Further, contactless traffic graticule measuring instrument as above, the size of described hot spot is
200x95mm。
Further, contactless traffic graticule measuring instrument as above, described hot spot is completely covered
On graticule to be measured and produce reflex reflection, it is internal and by former that retroreflective light is reflected back measuring instrument through light hole
Light path returns, when retroreflective light is reflexed to by light through semi-permeable and semi-reflecting mirror, semi-permeable and semi-reflecting mirror
In photo-detector, photo-detector record retro-reflecting coefficient.
Further, contactless traffic graticule measuring instrument as above, by described retro-reflecting coefficient
Contrast with standard retro-reflective coefficient, if recording retro-reflecting coefficient to be higher than standard retro-reflective coefficient, can
Think that graticule to be measured meets standard；If recording retro-reflecting coefficient to be less than standard retro-reflective coefficient, it is believed that
Graticule to be measured does not meets standard.
Further, contactless traffic graticule measuring instrument as above, the power supply of described light source is
Portable power source.
In sum, the method have the advantages that when measuring, it is not necessary to by testee and instrument
Device fits tightly, as long as being covered on object under test by hot spot, reduces external environment during use
Requirement, facilitates survey crew simultaneously and measures, reduce the measurement skill requirement of survey crew.
Accompanying drawing explanation
Fig. 1 is the structural front view of the present invention contactless traffic graticule measuring instrument.
Fig. 2 is the structural side view of the present invention contactless traffic graticule measuring instrument.
Fig. 3 is the measuring method flow chart of the present invention contactless traffic graticule measuring instrument.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, contactless traffic graticule measuring instrument provided by the present invention, including such as
Lower building block: light source 1, semi-permeable and semi-reflecting mirror 2, collimation lens 3, speculum 4, spherical mirror 5,
Photo-detector 7, control collection device 8 and shell 9.Shell 9 has light hole 6, is a thin side
Hole.Parts 1-8 is installed on shell 9.
As it is shown on figure 3, be the measuring method flow process signal of the present invention contactless traffic graticule measuring instrument
Figure.Light source 1 is by a kind of halogen tungsten lamp simulation car light or street lamp environment, and light is from light source 1, by half
Half-reflecting mirror 2, is radiated on collimation lens 3 thoroughly, and light, by focusing on after collimation lens 3, focuses on light
Line blocks veiling glare through controlling collection device 8, and direct projection, on speculum 4, is reflected mirror 4 and reflexes to ball
Face mirror 5, by focusing and the reflection of spherical mirror 5, light penetrates from light hole 6, be radiated at road surface or
One 200x95mm region hot spot occurs, now by tested graticule or moved by instrument, by hot spot time on certain screen
Being completely covered on tested graticule, light irradiates tested graticule and produces reflex reflection, and retroreflective light is through logical light
Hole 6 is reflected back in above-mentioned light channel structure, by backtracking, when light is through semi-permeable and semi-reflecting mirror 2,
Retroreflective light is reflexed in photo-detector 7 by semi-permeable and semi-reflecting mirror 2, and photo-detector 7 records reflex reflection
Coefficient, contrasts described retro-reflecting coefficient with standard retro-reflective coefficient, if recording retro-reflecting coefficient
Higher than standard retro-reflective coefficient then it is believed that graticule to be measured meets standard, can be continuing with, if recorded
Retro-reflecting coefficient is less than standard retro-reflective coefficient then it is believed that graticule to be measured does not meets standard, it is not possible to continue
Use, need to repair.Photo-detector measured value is magnitude of voltage, changes through the A/D of oversampling circuit, becomes
Become data signal, calculate retro-reflecting coefficient by equation below:
Wherein, R' is retro-reflecting coefficient, and R is the coefficient of luminous intensity, and I is luminous intensity, and E is vertical photograph
Degree, A is for irradiating surface area.
By above structure and measuring method, present invention achieves non-cpntact measurement remote with testee
Function.Owing to graticule is irremovable, so needing traffic marking measuring instrument to be placed on to be measured when measuring
On graticule, so the power supply of light source 1 is set to portable power source to be convenient for carrying and to use.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
The spirit and scope of invention.So, if these amendments and modification to the present invention belong to right of the present invention
Require and within the scope of equivalent technology, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a contactless traffic graticule measuring instrument, it is characterised in that:
Described measuring instrument includes following building block: light source, semi-permeable and semi-reflecting mirror, collimation lens, reflection
Mirror, spherical mirror, photo-detector, control collection device and shell；Described shell has light hole, institute
State light source, semi-permeable and semi-reflecting mirror, collimation lens, speculum, spherical mirror, photo-detector, control collection
Device is installed on shell；
The light that described light source sends sequentially pass through semi-permeable and semi-reflecting mirror, collimation lens, control collection device,
Speculum, spherical mirror and the light path of light hole composition, irradiate graticule to be measured, described graticule converse
Penetrate light to return along above-mentioned light path, and reflexed in photo-detector by semi-permeable and semi-reflecting mirror.
Contactless traffic graticule measuring instrument the most as claimed in claim 1, it is characterised in that:
Described light hole is a thin square hole.
Contactless traffic graticule measuring instrument the most as claimed in claim 1, it is characterised in that:
Described light source is halogen tungsten lamp.
Contactless traffic graticule measuring instrument the most as claimed in claim 1, it is characterised in that:
The light of described light source passes through semi-permeable and semi-reflecting mirror, is radiated on collimation lens and focuses on, and focuses on light
Line, through controlling collection device direct projection on the mirror, is reflected mirror and reflexes to spherical mirror, by spherical mirror
Focusing on and reflection, light forms a region hot spot from light hole injection.
Contactless traffic graticule measuring instrument the most as claimed in claim 4, it is characterised in that:
The size of described hot spot is 200x95mm.
Contactless traffic graticule measuring instrument the most as claimed in claim 4, it is characterised in that:
Described hot spot is completely covered on graticule to be measured and produces reflex reflection, and retroreflective light is anti-through light hole
It is emitted back towards measuring instrument inside and returns, when light is through semi-permeable and semi-reflecting mirror, semi-transflective reflective by original optical path
Retroreflective light is reflexed in photo-detector, photo-detector record retro-reflecting coefficient by mirror.
Contactless traffic graticule measuring instrument the most as claimed in claim 6, it is characterised in that:
Described retro-reflecting coefficient is contrasted with standard retro-reflective coefficient, if it is high to record retro-reflecting coefficient
In standard retro-reflective coefficient then it is believed that graticule to be measured meets standard；If recording retro-reflecting coefficient less than mark
Quasi-retro-reflecting coefficient is not then it is believed that graticule to be measured meets standard.
Contactless traffic graticule measuring instrument the most as claimed in claim 1, it is characterised in that:
The power supply of described light source is portable power source.
Contactless traffic graticule measuring instrument the most as claimed in claim 6, it is characterised in that:
Described to be recorded the method for retro-reflecting coefficient by photo-detector as follows: photo-detector measured value is magnitude of voltage,
Change through the A/D of oversampling circuit, become data signal, calculate retro-reflecting coefficient by equation below:
Wherein, R' is retro-reflecting coefficient, and R is the coefficient of luminous intensity, and I is luminous intensity, and E is vertical photograph
Degree, A is for irradiating surface area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265179.2A CN105866037A (en) | 2016-04-26 | 2016-04-26 | Non-contact traffic road marking measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265179.2A CN105866037A (en) | 2016-04-26 | 2016-04-26 | Non-contact traffic road marking measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105866037A true CN105866037A (en) | 2016-08-17 |
Family
ID=56629247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265179.2A Pending CN105866037A (en) | 2016-04-26 | 2016-04-26 | Non-contact traffic road marking measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105866037A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333118A (en) * | 2017-01-17 | 2018-07-27 | 北京中交工程仪器研究所 | Retroreflective marking measuring instrument |
| CN109406464A (en) * | 2018-12-06 | 2019-03-01 | 淄博亿力电子有限公司 | Reflective light transmittance measuring instrument |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205607848U (en) * | 2016-04-26 | 2016-09-28 | 北京中交工程仪器研究所 | Non -contact traffic pavement marking measuring apparatu |
-
2016
- 2016-04-26 CN CN201610265179.2A patent/CN105866037A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205607848U (en) * | 2016-04-26 | 2016-09-28 | 北京中交工程仪器研究所 | Non -contact traffic pavement marking measuring apparatu |
Non-Patent Citations (1)
| Title |
|---|
| 朱传征 等: "逆反射测量标准装置的测量不确定度评定", 《计量学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333118A (en) * | 2017-01-17 | 2018-07-27 | 北京中交工程仪器研究所 | Retroreflective marking measuring instrument |
| CN108333118B (en) * | 2017-01-17 | 2023-11-21 | 北京中交工程仪器研究所 | Retroreflective Marker Measuring Instrument |
| CN109406464A (en) * | 2018-12-06 | 2019-03-01 | 淄博亿力电子有限公司 | Reflective light transmittance measuring instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2508227C (en) | Portable electronic measurement | |
| Gallen et al. | Nighttime visibility analysis and estimation method in the presence of dense fog | |
| CN101641566B (en) | Measuring instrument and method for determining geometric properties of profiled elements | |
| JPS61243344A (en) | Method and device for measuring backward reflectivity of laser | |
| CN101936900A (en) | Video-based visibility detecting system | |
| CN110646380B (en) | Retroreflection detection system and retroreflection detector for road marking | |
| CN105866037A (en) | Non-contact traffic road marking measuring instrument | |
| Tsai et al. | Pavement crack detection using high-resolution 3D line laser imaging technology | |
| Waldram | The revealing power of street lighting installations | |
| CN210198958U (en) | Device for measuring road marking luminosity performance | |
| JP2006524334A (en) | Monitoring road reflectivity and street lighting | |
| Wambold et al. | Evaluation of pavement surface texture significance and measurement techniques | |
| CN205607848U (en) | Non -contact traffic pavement marking measuring apparatu | |
| CN110032178A (en) | Lighting device, the setting method of lighting device and road management system | |
| JP6271188B2 (en) | Evaluation method of road surface properties of paved roads | |
| CN105841621B (en) | A kind of method of long-range measurement roadbed horizontal displacement | |
| US5583639A (en) | Optical device for checking the flatness and smoothness of a surface | |
| CN1963886A (en) | Method and apparatus for testing speed-measuring system of highway | |
| KR20130072751A (en) | A light distribution inspection device and a light distribution inspection process | |
| CN206470178U (en) | Retroreflective marking measuring instrument | |
| King | Measurement of directional reflectance of pavement surfaces and development of computer techniques for calculating luminance | |
| King et al. | A laboratory method for obtaining pavement reflectance data | |
| CN109856018A (en) | Smoke intensity detection device and smoke intensity detection method | |
| NL2031219B1 (en) | Laser-based dynamic test device for lane line condition and method thereof | |
| CN205483495U (en) | Marking measuring apparatu |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |