CN105841929A - Motor vehicle reflex reflector measurement instrument - Google Patents
Motor vehicle reflex reflector measurement instrument Download PDFInfo
- Publication number
- CN105841929A CN105841929A CN201610265162.7A CN201610265162A CN105841929A CN 105841929 A CN105841929 A CN 105841929A CN 201610265162 A CN201610265162 A CN 201610265162A CN 105841929 A CN105841929 A CN 105841929A
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- China
- Prior art keywords
- reflex reflector
- light
- semi
- motor vehicles
- measuring instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention relates to a motor vehicle reflex reflector measurement instrument. The measurement instrument comprises the following component parts: a light source, a semitransparent and half-reflecting mirror, a collimating lens, a plane mirror, a spherical mirror, a plane transmitting glass, a reflex reflector placing device, an optical detector and housing. The housing is provided with an aperture, and the semitransparent and half-reflecting mirror, the collimating lens, the plane mirror, the spherical mirror, the plane transmitting glass, the reflex reflector placing device and the optical detector are installed on the housing. The motor vehicle reflex reflector measurement instrument is able to conveniently measure the light intensity coefficient of a motor vehicle reflex reflector and visually and timely understand the reflect light performance; the motor vehicle reflex reflector measurement instrument is able to measure the types of all the specified motor vehicle reflex reflectors; and moreover, the motor vehicle reflex reflector measurement instrument is able to conveniently regulate different angles and allow the optical path to be independent of an instrument system so as to prolong the service life and have smaller interference in observation and higher precision.
Description
Technical field
The present invention is a kind of motor vehicles Reflex Reflector measuring instrument, especially relates to one and has and can detect
The measuring instrument of multiple motor vehicles Reflex Reflector reflective function.
Background technology
Reflex Reflector has another name called reflecting piece or reflective lattice, and its material is mainly PMMA, PC, AS plastic parts.
It is mainly seen in automobile, motorcycle, bicycle, electric motor car, the reflective or passive light source part of highway communication.
Carrying out " it is reflective that excuse me " mainly by the decorative pattern within reflector is the passive reflective of principle, and popular says
It is exactly reflector, reflective decorative pattern.Concrete principle is exactly a parallel light-illuminating, by air and transparent
Sheet enter the refraction of three prism facets and return light.The making of Reflex Reflector, mainly by exploitation
Mould, dispensing matches colors, injecting products and complete the operation gained such as luminous intensity distribution and assembling.The installation foundation of reflecting piece
Axletree is carried out, it is stipulated that for the entrucking specification of " front white " " side is yellow " " rear red ".Car body load reflector or
Reflex reflector, can play reflective warning effect.As long as having the lamp source front illuminated of outgoing to reflective object,
Just produce light echo, generally can be reflected at 300 meters, alert or inform the motor vehicle driving personnel at rear
Know in time, keep at a distance or brake.The core technology of Reflex Reflector or reflecting piece is electroforming core rod.
Owing to motor vehicles Reflex Reflector is applied to transportation applications, the qualification rate of its product is particularly important, at present,
Detection for motor vehicles Reflex Reflector focuses primarily upon its reflecting properties, and needs to reply motor vehicles
Reflector carries out the detection of multiple angle, it is ensured that it is respectively provided with good reflecting properties side under each reflection angle
Can come into operation, but be currently used for the motor vehicles Reflex Reflector measuring instrument of testing machine motor-car Reflex Reflector,
The structure of its light channel structure is complicated, and light path is longer so that motor vehicles Reflex Reflector measuring instrument is made very big,
And it is the highest to measure cost, it is eager urgently to create the most portable a kind of motor vehicles Reflex Reflector the most at present and surveys
Amount instrument.
Summary of the invention
For achieving the above object, the technical scheme is that
Concrete, the invention provides a kind of motor vehicles Reflex Reflector measuring instrument, described measuring instrument includes
Following building block: light source, semi-permeable and semi-reflecting mirror, collimating lens, plane mirror, coquille, flat
Face transparent glass, Reflex Reflector apparatus for placing, photo-detector and shell；Described shell has logical
Unthreaded hole, described semi-permeable and semi-reflecting mirror, collimating lens, plane mirror, coquille, plane light-transmission glass,
Reflex Reflector apparatus for placing, photo-detector are installed on shell；
The light that described light source sends sequentially pass through semi-permeable and semi-reflecting mirror, collimating lens, plane mirror,
Coquille and the light path of plane light-transmission glass composition, irradiate reflector to be measured, described reflector inverse
Reflection light returns along above-mentioned light path, and is reflexed in photo-detector by semi-permeable and semi-reflecting mirror.
Further, motor vehicles Reflex Reflector measuring instrument as above, described light source is halogen tungsten lamp.
Further, motor vehicles Reflex Reflector measuring instrument as above, the light of described light source is by half
Thoroughly half-reflecting mirror, is radiated on collimating lens and focuses on, and focuses on light direct projection on plane mirror, warp
Plane mirror reflexes to coquille, and by focusing and the reflection of coquille, light is from plane light-transmission glass
Injection, is radiated at Reflex Reflector arranging apparatus region, forms a region hot spot.
Further, motor vehicles Reflex Reflector measuring instrument as above, the size of described hot spot is diameter
Circle for about 200mm.
Further, motor vehicles Reflex Reflector measuring instrument as above, described hot spot covers wholly or in part
Covering on reflector to be measured and produce reflex reflection, retroreflective light returns in measuring instrument through plane light-transmission glass
Original optical path return is also pressed, when light is through semi-permeable and semi-reflecting mirror, and semi-permeable and semi-reflecting mirror is by reflex reflection light by portion
Line reflection, in photo-detector, is recorded the coefficient of luminous intensity by photo-detector.
Further, motor vehicles Reflex Reflector measuring instrument as above, by described the coefficient of luminous intensity with
Standard luminescent strength factor contrasts, if recording the coefficient of luminous intensity higher than standard luminescent strength factor
Then it is believed that motor vehicles Reflex Reflector conformance with standard to be measured；If recording the coefficient of luminous intensity less than standard
The coefficient of luminous intensity is not then it is believed that motor vehicles Reflex Reflector to be measured meets standard.
Further, motor vehicles Reflex Reflector measuring instrument as above, the power supply of described light source is for mobile
Power supply.
In sum, the method have the advantages that to achieve and be convenient for measuring motor vehicles retro-reflection
Device reflective function, understands reflective function the most timely；This instrument can measure all regulations in GB
Motor vehicles Reflex Reflector kind；During measurement, in that context it may be convenient to regulation different angles and light path are independent of instrument
Device system so that it is the life-span is longer, to observation interference less, precision is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of motor vehicles Reflex Reflector measuring instrument of the present invention.
Fig. 2 is the measuring method flow chart of motor vehicles Reflex Reflector measuring instrument of the present invention.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of motor vehicles Reflex Reflector measuring instrument that the present invention provides, including following group
Become parts: light source 1, collimating lens 2, plane mirror 3, coquille 4, plane light-transmission glass 5,
Reflex Reflector apparatus for placing 6, semi-permeable and semi-reflecting mirror 7, photo-detector 8 and shell 9.Parts 1-8
It is installed on shell 9.
As in figure 2 it is shown, be the measuring method flow chart of motor vehicles Reflex Reflector measuring instrument of the present invention.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 semi-transparent semi-reflecting
Penetrate mirror 7, be radiated on collimating lens 2, by focusing on after collimating lens 2, focus on light direct projection flat
On face reflecting mirror 3, reflex to coquille 4 through plane mirror 3, by the focusing of coquille 4 with anti-
Penetrating, light penetrates from plane light-transmission glass 5, is radiated at Reflex Reflector arranging apparatus 6 region, is formed
One region hot spot is after now Reflex Reflector being placed on placement area, (high wholly or in part by hot spot
In 25%) cover on tested reflector, light irradiates tested reflector and produces reflex reflection, converse
Penetrate light to be reflected back in light channel structure through plane light-transmission glass 5 position, by backtracking, when light warp
When crossing semi-permeable and semi-reflecting mirror 7, reflection light is reflexed in photo-detector 8 by semi-permeable and semi-reflecting mirror 7, light
Detector 8 records retroreflective luminescent strength factor, by described the coefficient of luminous intensity and standard luminescent intensity system
Number contrasts, if recording the coefficient of luminous intensity to be higher than standard luminescent strength factor, it is believed that machine to be measured
Motor-car Reflex Reflector conformance with standard, can be continuing with, if recording luminous power less than etalon optical power
Then it is believed that motor vehicles Reflex Reflector to be measured does not meets standard, it is not possible to be continuing with, need to repair
Copy.
Photo-detector measured value is magnitude of voltage, changes through the A/D of oversampling circuit, becomes digital signal, pass through
Formula calculates the coefficient of luminous intensity.Described formula is as follows:
R is the coefficient of luminous intensity；
I is luminous intensity；
E is vertical illumination.
By above structure and measuring method, present invention achieves the reflective of measuring machine motor-car Reflex Reflector
Performance function.The present invention, by adjusting the position of photo-detector 8, adjusts the observation angle of light；Pass through
Adjust Reflex Reflector arranging apparatus 6, adjust angle of incidence of light.As the improvement of the present invention, described light
The power supply in source 1 is that portable power source is 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 (8)
1. a motor vehicles Reflex Reflector measuring instrument, it is characterised in that:
Described measuring instrument includes following building block: light source, semi-permeable and semi-reflecting mirror, collimating lens, plane
Reflecting mirror, coquille, plane light-transmission glass, Reflex Reflector apparatus for placing, photo-detector and outer
Shell；Described shell has light hole, described semi-permeable and semi-reflecting mirror, collimating lens, plane mirror, ball
Face mirror, plane light-transmission glass, Reflex Reflector apparatus for placing, photo-detector are installed on shell；
The light that described light source sends sequentially passes through half；Thoroughly half-reflecting mirror, collimating lens, plane mirror,
Coquille and the light path of plane light-transmission glass composition, irradiate reflector to be measured, described reflector inverse
Reflection light returns along above-mentioned light path, and is reflexed in photo-detector by semi-permeable and semi-reflecting mirror.
2. motor vehicles Reflex Reflector measuring instrument as claimed in claim 1, it is characterised in that:
Described light source is halogen tungsten lamp.
3. motor vehicles Reflex Reflector measuring instrument 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 collimating lens and focuses on, and focuses on light
Line direct projection, on plane mirror, reflexes to coquille through plane mirror, by the focusing of coquille and
Reflection, light penetrates from plane light-transmission glass, is radiated at Reflex Reflector arranging apparatus region, forms one
Individual region hot spot.
4. motor vehicles Reflex Reflector measuring instrument as claimed in claim 3, it is characterised in that:
The size of described hot spot is the circle of a diameter of about 200mm.
5. motor vehicles Reflex Reflector measuring instrument as claimed in claim 3, it is characterised in that:
Described hot spot covers on reflector to be measured and produces reflex reflection, retroreflective light warp wholly or in part
Plane light-transmission glass returns to measuring instrument inside and returns by original optical path, when light is through semi-permeable and semi-reflecting mirror,
Retroreflective light is reflexed in photo-detector by semi-permeable and semi-reflecting mirror, photo-detector record luminous intensity system
Number.
6. motor vehicles Reflex Reflector measuring instrument as claimed in claim 5, it is characterised in that:
Described the coefficient of luminous intensity is contrasted with standard luminescent strength factor, if recording luminous intensity
Coefficient higher than standard luminescent strength factor then it is believed that motor vehicles Reflex Reflector conformance with standard to be measured；If
Record the coefficient of luminous intensity less than standard luminescent strength factor then it is believed that motor vehicles Reflex Reflector to be measured not
Conformance with standard.
7. motor vehicles Reflex Reflector measuring instrument as claimed in claim 1, it is characterised in that:
The power supply of described light source is portable power source.
8. motor vehicles Reflex Reflector measuring instrument as claimed in claim 5, it is characterised in that:
Described to be recorded the method for the coefficient of luminous intensity by photo-detector as follows: photo-detector measured value is voltage
Value, changes through the A/D of oversampling circuit, becomes digital signal, calculate luminous intensity by equation below
Coefficient:
R is the coefficient of luminous intensity；
I is luminous intensity；
E is vertical illumination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265162.7A CN105841929A (en) | 2016-04-26 | 2016-04-26 | Motor vehicle reflex reflector measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265162.7A CN105841929A (en) | 2016-04-26 | 2016-04-26 | Motor vehicle reflex reflector measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105841929A true CN105841929A (en) | 2016-08-10 |
Family
ID=56590013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265162.7A Pending CN105841929A (en) | 2016-04-26 | 2016-04-26 | Motor vehicle reflex reflector measurement instrument |
Country Status (1)
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| CN (1) | CN105841929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318221A (en) * | 2017-01-17 | 2018-07-24 | 北京中交工程仪器研究所 | Reflex reflector measuring instrument |
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| CN103344613A (en) * | 2013-07-26 | 2013-10-09 | 杭州远方光电信息股份有限公司 | Apparatus and method for measuring reflection characteristic of material |
| CN205607627U (en) * | 2016-04-26 | 2016-09-28 | 北京中交工程仪器研究所 | Motor vehicle retro -reflection ware measuring apparatu |
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2016
- 2016-04-26 CN CN201610265162.7A patent/CN105841929A/en active Pending
Patent Citations (6)
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| DE10126480A1 (en) * | 2001-05-31 | 2002-12-05 | Zeiss Carl | Measuring optical reference element angular position, defocusing involves reflecting light coupled out back using retroreflector so it can interfere with light reflected by reference element |
| JP2005241692A (en) * | 2004-02-24 | 2005-09-08 | Nano Photon Kk | Optical device, imaging apparatus and inspection device |
| JP2011226935A (en) * | 2010-04-20 | 2011-11-10 | Fujifilm Corp | Off-axis transmission wavefront measuring apparatus |
| CN103076159A (en) * | 2013-01-08 | 2013-05-01 | 孙体生 | Light path system for testing light intensity of reflector |
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| 周孟然: "《煤矿瓦斯的激光光谱检测技术研究》", 31 May 2012, 合肥工业大学出版社 * |
| 姚建华: "《激光表面改性技术》", 31 January 2012, 国防工业出版社 * |
| 张宏伟 等: "逆向反射器照度法测量仪的研制", 《计量技术》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318221A (en) * | 2017-01-17 | 2018-07-24 | 北京中交工程仪器研究所 | Reflex reflector measuring instrument |
| CN108318221B (en) * | 2017-01-17 | 2024-06-04 | 北京中交工程仪器研究所 | Measuring instrument for retro-reflector |
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Application publication date: 20160810 |
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