CN205808928U - A kind of retro-reflecting coefficient test device - Google Patents
A kind of retro-reflecting coefficient test device Download PDFInfo
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- CN205808928U CN205808928U CN201620761094.9U CN201620761094U CN205808928U CN 205808928 U CN205808928 U CN 205808928U CN 201620761094 U CN201620761094 U CN 201620761094U CN 205808928 U CN205808928 U CN 205808928U
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Abstract
This utility model relates to a kind of retro-reflecting coefficient test device, including detection part, process display unit and handle, described detection part includes lens barrel and optical module, described process display unit includes shell and processes display module, and described handle is connected with described detection part, described process display unit and entirety is pistol shape;Described optical module includes that standard A light source, turntable, spectroscope, diaphragm and photo-detector, described turntable offer loophole, through described tested retro reflectors reflect after reflex reflection light beam through described dichroic mirror to described photo-detector;Described process display module includes signal amplifier, analog-digital converter and display, and the signal of telecommunication exported from described photo-detector is amplified through signal and shown by display after analog digital conversion.This utility model compact conformation is simple, and certainty of measurement is high, easy to use, it is simple to carry.
Description
Technical field
This utility model relates to a kind of test equipment, particularly to a kind of retro-reflecting coefficient test device.
Background technology
The reflectorized material with retroreflectivity has reflective membrane, reflector, reflector marking, reflective medicated clothing etc., extensively applies
At road signs, graticule, vehicles reflecting marking, special operation clothing, fire symbol, railway signs, mining area mark
In field, serve significant role in fields such as ensureing traffic safety.Retro-reflecting coefficient is the weight evaluating reflecting material performance
Want index, and the equipment of the retro-reflecting coefficient for measuring reflecting material is referred to as retro-reflecting coefficient tester.Currently used
The retro-reflecting coefficient test most of structure of device is complicated, and volume is relatively big, not readily portable, is not suitable for outdoor application, and surveys
Accuracy of measurement is relatively low.
Utility model content
The purpose of this utility model is to improve the above-mentioned deficiency in the presence of prior art, it is provided that a kind of reflex reflection system
Number test device, improves the existing problem that measure of coefficient of against glint device is not readily portable, certainty of measurement is relatively low.
In order to realize above-mentioned utility model purpose, this utility model embodiment provides techniques below scheme:
A kind of retro-reflecting coefficient test device, including detection part, processes display unit and handle, described detection part bag
Including lens barrel and the optical module being arranged in described lens barrel, described process display unit includes shell and is arranged in described shell
Process display module, described handle is connected with described detection part, described process display unit and entirety is pistol shape;Described
Optical module includes that standard A light source, turntable, spectroscope, diaphragm and photo-detector, described turntable offer loophole, institute
Stating spectroscope and be obliquely installed in described turntable, the incident beam that described standard A light source sends sequentially passes through described loophole, institute
State spectroscope, described diaphragm is transmitted to tested retro reflectors, and the reflex reflection light beam after described tested retro reflectors reflects is through institute
State dichroic mirror to described photo-detector;Described process display module includes signal amplifier, analog-digital converter and display,
The signal of telecommunication exported from described photo-detector is amplified through signal and after analog digital conversion, is shown by display.
More preferably, in above-mentioned retro-reflecting coefficient test device, described standard A light source includes white light LEDs and collimator, described
The incident beam that white light LEDs sends is incident to described tested through described loophole, described diaphragm after described collimating device collimation
Retro reflectors.The incident beam that white light LEDs sends collimates through collimator so that incident beam is the directional light of collimation
Bundle.
More preferably, in above-mentioned retro-reflecting coefficient test device, described photo-detector includes light filter.Use light filter is permissible
Filter unwanted veiling glare well, ensure the accuracy measured.
More preferably, in above-mentioned retro-reflecting coefficient test device, described lens barrel inwall is provided with delustring screw thread.Set at lens barrel inwall
There is delustring screw thread, the illuminating ray caused because of the compact conformation impact on reflection light can be eliminated, improve accuracy of measurement.
More preferably, in above-mentioned retro-reflecting coefficient test device, described display is touch screen or handwriting screen.Both can realize
Information display function, can realize again Data Enter function, simplifies apparatus structure.
More preferably, in above-mentioned retro-reflecting coefficient test device, described process display unit also includes USB interface, described USB
Interface is drawn by described shell.USB interface can be connected with plurality of devices, such as PC, by USB interface with PC even
Connect, it is convenient to retro-reflecting coefficient is tested the data in device derives.
More preferably, in above-mentioned retro-reflecting coefficient test device, described process display unit also includes protective cover, described shell
Side be provided with buckle, described protective cover is fastened by described buckle and described shell.Touch screen or handwriting screen be frangible easily
Split structure, easily scratched by hard thing, protective cover is set, use protective cover to show when retro-reflecting coefficient test device does not uses
Screen covers, and can play the effect of protection display screen.
More preferably, in above-mentioned retro-reflecting coefficient test device, described handle is provided with four arcs being easy to finger grip
Groove.Arranging arcuate groove on handle, when holding handle, four palms of palm can be individually placed in four arcuate grooves, carries
The high comfortableness gripped.
Compared with prior art, the beneficial effects of the utility model: the retro-reflecting coefficient test dress that this utility model provides
Putting, reasonable in design, compact conformation is simple, and overall in pistol shape, tester holds the most operable tester of handle, easy to use,
It is easy to carry;Arranging beam splitter, the reflex reflection light beam reflected tested retro reflectors by beam splitter carries out secondary reflection again, through again
Just it is collected by a photodetector after secondary reflection, so can reduce the structure of optical module, and then reduce retro-reflecting coefficient tester
Structure;Angle of incidence and viewing angle can be changed by angle of incidence turntable, improve the motility and accuracy measured;Letter is set
Number amplifier, carries out analog digital conversion again after being amplified by the signal of telecommunication, can improve certainty of measurement.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
The contour structures schematic diagram of the retro-reflecting coefficient test device that Fig. 1 provides for this utility model embodiment.
Fig. 2 is to process the touch screen of display unit and the structural representation of protective cover in this utility model embodiment.
Fig. 3 is the structural representation of optical module (lens barrel is not drawn into) in this utility model embodiment.
Main element symbol description
Lens barrel 100;Standard A light source 101;Turntable 102;Loophole 103;Spectroscope 104;Diaphragm 105;Photo-detector
106;Signal amplifier 107;Analog-digital converter 108;Single-chip microcomputer 109;Display 110;Diaphragm fixed mount 111;Fixing seat 112;
Shell 200;Touch screen 201;Operation button 202;Buckle 203;Protective cover 204;Power interface 300;Handle 400;Arcuate groove
401;Data interlock button 500;Tested retro reflectors 600.
Detailed description of the invention
Below in conjunction with accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole realities
Execute example.Generally can be next with various different configurations with the assembly of this utility model embodiment illustrated described in accompanying drawing herein
Arrange and design.Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit
Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on this utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of not making creative work, all
Belong to the scope of this utility model protection.
Embodiment 1
Refering to Fig. 1, a kind of retro-reflecting coefficient test device that the present embodiment provides, including detection part, process display part
The handle 400 of part and hilt formula, handle 400 is connected with described detection part, described process display unit and entirety is pistol shape.
Wherein, described detection part includes the lens barrel 100 of bar shape and is arranged at the optical module within lens barrel 100, institute
Stating process display unit include shell 200 and process display module, the stem of shell 200 is connected with the afterbody of lens barrel 100.Place
Reason display module includes that power interface 300, the power interface 300 extraction by shell 200, and power interface 300 are positioned at lens barrel
The lower section of 100.Described handle 400 is provided with data interlock button 500.During use, connect power interface 300 He by cable
External power source, tester is energized.
Wherein, refering to Fig. 3, described optical module can include standard A light source 101, turntable 102, spectroscope 104, light
Door screen 105, photo-detector 106 and lens barrel (being not drawn in figure), standard A light source 101, turntable 102, spectroscope 104, diaphragm 105
May be contained within lens barrel, turntable 102 offers loophole 103, and spectroscope 104 is obliquely installed in turntable 102, and light splitting
Mirror 104 blocks loophole 103, diaphragm 105 and turntable 102 and is arranged at the left and right sides of spectroscope 104, photo-detector 106
In the top of spectroscope 104, and the light reflected through spectroscope 104 can be collected by photo-detector 106.
Wherein, standard A light source 101 can include white light LEDs and collimator, and the incident beam that white light LEDs sends is collimated
Launched by loophole 103 after device collimation.Arranging collimator, the light that white light LEDs is launched collimates through collimator,
The less parallel light beam making incident beam be collimation, its subtended angle is not more than 0.2 °, and colour temperature is 2856K.
Turntable 102 is rotary structure, can realize the change of angle of incidence by rotating turntable 102.Also may be used
To be realized the change of viewing angle by turntable 102, it is 0.2 ° as realized viewing angle, 0.33 °, the rotation of 1 °.Turntable 102 sets
Put loophole 103 so that the incident beam that standard A light source 101 is launched can be by this loophole 103 directive spectroscope 104.
Spectroscope 104 includes that transmission plane and reflecting surface, spectroscope 104 are obliquely installed in turntable 102, the transmission plane face of spectroscope 104
To the loophole 103 of turntable 102, the reflecting surface of spectroscope 104 is towards photo-detector 106, and its angle of inclination is: standard A light
The incident beam that source 101 sends can be transmitted through tested retro reflectors 600 through the projection surface of spectroscope 104, and through spectroscope 104
Second reflection light beam of reflection can enter photo-detector 106.
The incident beam that standard A light source 101 sends sequentially passes through the loophole 103 on turntable 102, spectroscope 104, light
Door screen 105 is transmitted to tested retro reflectors 600, the first reflection light beam (the reflex reflection light obtained after tested retro reflectors 600 reflects
Bundle) it is incident to spectroscope 104 through diaphragm 105, the second reflection light beam obtained after spectroscope 104 reflects enters photo-detector
106, absorbed by photo-detector 106, complete the measure of coefficient of against glint of tested retro reflectors 600.Incident beam and the first reflection
The angle that light beam is formed is less than or equal to 0.2 °.Owing to the viewing angle of reflex reflection is the least, so inverse at retroreflectometer
Relatively difficult to achieve on reflective road have enough spaces to arrange photo-detector 106, and consideration based on compact conformation, therefore, this enforcement
Optical module in example, the most directly collects the retroreflective light through the reflection of tested retro reflectors 600, but arranges beam splitter,
The the first reflection light beam reflected tested retro reflectors 600 by beam splitter carries out secondary reflection again, just by light after secondary reflection again
Detector 106 is collected, and so can reduce the structure of optical module, and then reduce the structure of retro-reflecting coefficient test device.
Wherein, described process display module includes signal amplifier 107, analog-digital converter 108, single-chip microcomputer 109 and display
Device 110, the reflex reflection light beam light signal collected is converted to the signal of telecommunication, then exports to signal amplifier by photo-detector 106
107, this signal of telecommunication is amplified by signal amplifier 107, is converted to digital signal through analog-digital converter 108 the most again, puts
The signal of telecommunication after great is more conducive to identify, improves certainty of measurement.Additionally, the signal of telecommunication after opto-electronic conversion is more weak, poor anti-interference, in order to
Improve the capacity of resisting disturbance of signal of telecommunication transmission, metallic shield netting twine can be used, complete machine ground connection and zero potential circuit are set simultaneously.
Digital signal after conversion is shown by display 110 under the control of single-chip microcomputer 109.
Refering to Fig. 2, more preferably, display 110 can be touch screen 201 or handwriting screen.In this utility model embodiment, aobvious
Showing that device 110 is touch screen 201, described touch screen 201 is arranged at the afterbody of shell 200, and touch screen 201 or handwriting screen all can be same
Shi Zuowei display device and information input equipment, can avoid after arranging touch screen 201 or handwriting screen individually arranging input key again
Dish, and then the structure of tester can be simplified, reduce the volume of tester.Handwriting screen is applicable to the use of only meeting handwritten input information
Family.
What touch screen 201 used is all soft keyboard, and standardization based on operation and the self character of soft keyboard, soft keyboard exists
Insensitive situation occurs during use once in a while, therefore, based on structure and reliability considers, more preferably, this enforcement
In example, processing display module and also include operating button 202, operation button 202 is arranged at the lower section of touch screen 201.Such as institute in figure
Show, including three important operation buttons 202.A small amount of operation button 202 is arranged at the lower section of touch screen 201, neither affects
The information display effect of touch screen 201, is also not result in additionally increasing the volume of tester.
Further, described process display unit also includes that protective cover 204, the side of shell 200 are provided with buckle 203,
Protective cover 204 is fastened with shell 200 by buckle 203.More preferably, the protective cover 204 that protective cover 204 makes for transparent material,
Use transparent material makes, even if test device can also will be protected when using (in the case of not carrying out information input)
Cover 204 takes off, and prevents testing device in use imprudence and damages touch screen 201.Protective cover 204 is by buckle 203
Mode is connected with shell 200, it is achieved mode is simple, and fastens firm, and currently, volume can use other enforcement removably connected
Mode, e.g., threaded.
Use the retro-reflecting coefficient test device that the present embodiment provides, first, with cable by power interface 300 He of device
The interface of cabinet connects, and opens chassis power supply switch, and at this moment touch screen 201 starts to show work.Then, black shade is used
Covering lens barrel, now instrument shows and should be 000, if it is not, cabinet zeroing turn-knob zeroing please be rotate, satisfied till.So
After, with standard jig by given data calibration, during calibration, test device to be put on a spinstand, test device viewing angle is fixed
At 0.2 degree, the angle of incidence realized by turntable 102 is scheduled on-4 degree, is placed in the measured hole of turntable by standard jig, at this moment
Touch screen 201 should show standard jig by specified value, if it is not, please rotational alignment turn-knob adjust satisfied till.Test dress
After putting zeroing calibration, tested retro reflectors 600 is put into the measured hole of turntable, the most recordable after data stabilization, it is turned into
Firing angle i.e. can get different angle of incidence data, when converting different viewing angles, will recalibrate once, during measurement, and test
Device is vertical with turntable plane combines closely, in case data are forbidden, after data record, is taken by test device from turntable
Under, in case standard A light source shortens the life-span because working long hours, when needing locking data, please by the data interlock at handle 400
Button 500 is pressed.
Embodiment 2
The retro-reflecting coefficient test device provided in the present embodiment, including detection part, processes display unit and handle
400, handle 400 is connected with described detection part, described process display unit and entirety is pistol shape.There is provided with embodiment 1
Retro-reflecting coefficient test device unlike, in the present embodiment:
Normally, photo-detector 106 includes photoelectric sensor, such as silicon photo diode, is used for collecting tested retro reflectors
600 retroreflective light reflected.It is preferred that in the present embodiment, photo-detector 106 also includes light filter, by filtering
Device can filter and use veiling glare unnecessary present in environment, it is to avoid the interference that certainty of measurement is caused by veiling glare, improves and measures
Accuracy.
In the present embodiment, it is preferred that photo-detector 106 also includes that luminous flux limits device, it is used for limiting tested reflex reflection
The light flux collection angle of the retroreflective light that body 600 reflects.Luminous flux limits device and is arranged at the front of silicon photo diode,
The retroreflective light that tested retro reflectors 600 reflects first passes through luminous flux and limits after device carries out the restriction of light flux collection angle
Absorbed by photoelectric sensor again.Luminous flux limits device can be arranged at the front or behind of light filter.
Optical module total in the present embodiment is the compactest, and reflection light may be caused dry by illuminating ray
Disturb, cause received retroreflective light can not accurately reflect out actual reflecting effect, make measurement result distortion.Therefore, this reality
Executing in example, on the one hand the inwall of lens barrel 100 is provided with delustring screw thread, and on the other hand, the inwall of lens barrel 100 does the black process of dye, with this
Eliminate the illuminating ray interference to retroreflective light, improve the precision measured.
More preferably, refering to Fig. 3, in the present embodiment, it is additionally provided with diaphragm fixed support 111 in lens barrel 100, for fixed aperture
105, ensure that diaphragm 105 does not occurs change in location because shake waits, and then ensure the incident illumination being incident to tested retro reflectors 600
Line or be not interfered through the retroreflective light of tested retro reflectors 600 reflex reflection.It is additionally provided with fixing seat 112 in lens barrel 100, uses
In fixing spectroscope 104, ensure that certainty of measurement does not receives impact because of the change in location of spectroscope 104.
Refering to Fig. 1, in the present embodiment, handle 400 is provided with four arcuate grooves 401 being easy to finger grip.On handle 400
Arranging arcuate groove 401, when holding handle 400, four palms of palm can be individually placed in four arcuate grooves 401, carries
The high comfortableness gripped.
In order to reduce the weight of test device, it is preferred that lens barrel 100, shell 200 and handle 400 are cabinet,
Or the alloy shell made by light alloy material.The overall dimensions maximum of retro-reflecting coefficient test device can be 500*420*
180mm3。
The power supply of test device is furnished with direct current and exchanges two set power supplys, and DC voltage is 12V, exchanges as 220V.Unidirectional current
Source is also equipped with accumulator and charger, should meet, after the capacity of new accumulator is the most fully charged, the need that instrument works 4 hours continuously
, the charging interval is not more than 12 hours.
The retro-reflecting coefficient test device that this utility model embodiment provides is it is achieved that measure scope: 0-1999mcd/
lx/m2;Uncertainty: < 5%;Suitable environment temperature :-20 DEG C-50 DEG C;Weight 8kg.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a retro-reflecting coefficient test device, it is characterised in that include detection part, process display unit and handle, described
Detection part includes lens barrel and the optical module being arranged in described lens barrel, and described process display unit includes shell and is arranged at
Process display module in described shell, described handle be connected with described detection part, described process display unit and entirety in
Pistol shape;Described optical module includes that standard A light source, turntable, spectroscope, diaphragm and photo-detector, described turntable are offered
Having loophole, described spectroscope to be obliquely installed in described turntable, the incident beam that described standard A light source sends sequentially passes through institute
State loophole, described spectroscope, described diaphragm are transmitted to tested retro reflectors, converse after described tested retro reflectors reflects
Irradiating light beam through described dichroic mirror to described photo-detector;Described process display module includes signal amplifier, analog digital conversion
Device and display, the signal of telecommunication exported from described photo-detector is amplified through signal and after analog digital conversion, is shown by display
Show.
Retro-reflecting coefficient the most according to claim 1 test device, it is characterised in that described standard A light source includes white light
LED and collimator, the incident beam that described white light LEDs sends after described collimating device collimation through described loophole, described light
Enter a place that is forbidden to one and be incident upon described tested retro reflectors.
Retro-reflecting coefficient the most according to claim 2 test device, it is characterised in that described photo-detector includes filtering
Device.
Retro-reflecting coefficient the most according to claim 3 test device, it is characterised in that described optical module also includes standard
Model.
Retro-reflecting coefficient the most according to claim 4 test device, it is characterised in that described lens barrel inwall is provided with delustring spiral shell
Stricture of vagina.
Retro-reflecting coefficient the most according to claim 1 test device, it is characterised in that described display is touch screen or hands
Write screen.
Retro-reflecting coefficient the most according to claim 6 test device, it is characterised in that described process display unit also includes
USB interface, described USB interface is drawn by described shell.
Retro-reflecting coefficient the most according to claim 7 test device, it is characterised in that described process display unit also includes
Power interface, described power interface drawn by described shell, and described power interface is positioned at the lower section of described lens barrel, described handle
It is provided with data interlock button.
Retro-reflecting coefficient the most according to claim 8 test device, it is characterised in that described process display unit also includes
Protective cover, the side of described shell is provided with buckle, and described protective cover is fastened with described shell by described buckle.
Retro-reflecting coefficient the most according to claim 1 test device, it is characterised in that described handle is provided with is easy to hands
Four arcuate grooves that finger gripping is held.
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CN201620761094.9U CN205808928U (en) | 2016-07-19 | 2016-07-19 | A kind of retro-reflecting coefficient test device |
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Cited By (4)
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 |
CN110646380A (en) * | 2019-10-17 | 2020-01-03 | 安徽岩芯光电技术有限公司 | Retroreflection detection system and retroreflection detector for road marking |
CN112834460A (en) * | 2021-02-04 | 2021-05-25 | 中国科学院合肥物质科学研究院 | Device capable of simultaneously measuring multi-angle retroreflection coefficients |
CN112834460B (en) * | 2021-02-04 | 2024-05-31 | 中国科学院合肥物质科学研究院 | Device capable of simultaneously measuring multi-angle retroreflection coefficients |
-
2016
- 2016-07-19 CN CN201620761094.9U patent/CN205808928U/en active Active
Cited By (6)
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 |
CN110646380A (en) * | 2019-10-17 | 2020-01-03 | 安徽岩芯光电技术有限公司 | Retroreflection detection system and retroreflection detector for road marking |
CN110646380B (en) * | 2019-10-17 | 2022-02-11 | 安徽岩芯光电技术有限公司 | Retroreflection detection system and retroreflection detector for road marking |
CN112834460A (en) * | 2021-02-04 | 2021-05-25 | 中国科学院合肥物质科学研究院 | Device capable of simultaneously measuring multi-angle retroreflection coefficients |
CN112834460B (en) * | 2021-02-04 | 2024-05-31 | 中国科学院合肥物质科学研究院 | Device capable of simultaneously measuring multi-angle retroreflection coefficients |
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Assignee: Sichuan jinlidian New Energy Technology Co.,Ltd. Assignor: SICHUAN WINDOM PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Contract record no.: X2020510000055 Denomination of utility model: A reverse reflection coefficient testing device Granted publication date: 20161214 License type: Common License Record date: 20201204 |
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