CN113390832A - Light path device of marking retroreflection measuring instrument and marking retroreflection measuring instrument with same - Google Patents
Light path device of marking retroreflection measuring instrument and marking retroreflection measuring instrument with same Download PDFInfo
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- CN113390832A CN113390832A CN202110558764.2A CN202110558764A CN113390832A CN 113390832 A CN113390832 A CN 113390832A CN 202110558764 A CN202110558764 A CN 202110558764A CN 113390832 A CN113390832 A CN 113390832A
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- mirror
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The application discloses light path device of contrary reflective measurement appearance of marking, which comprises a housin, advance light reflection device and reflection of light reflection device, it includes the light source speculum to advance the light reflection device, the beam expanding mirror, advance the light reflection mirror, collimating mirror and plane mirror, one side of casing is provided with light source and reverberation receiver, the light source speculum sets up the lower extreme at the light source, the beam expanding mirror sets up the offside at the plane of reflection of light source speculum, it sets up the offside at the plane of reflection of beam expanding mirror to advance the light reflection mirror, the photometer hole has been seted up to the opposite side of casing, and advance the light reflection mirror and the relative setting of collimating mirror, the level crossing sets up the offside at the photometer hole, the collimating mirror sets up the top at the photometer hole, the light of light source passes through the light source speculum in proper order, the beam expanding mirror, advance the light reflection mirror, collimating mirror and plane mirror jet out through the photometer hole, the collimating mirror is with reverberation to reflection of light reflection device. Therefore, the light inlet path and the light reflection path are shortened, a high-precision device is not needed, and the cost is reduced.
Description
Technical Field
The utility model relates to a contrary reflective detector equipment technical field especially relates to a contrary reflective measuring apparatu of light path device of contrary reflective measuring apparatu of marking and have its contrary reflective measuring apparatu of marking.
Background
The existing retroreflective graticule measuring instrument adopts a common light path system, the common light path system needs a longer light path part due to the characteristics of the light path of the common light path system, and when the common graticule measuring instrument is used on an actual road surface, the measuring error can be caused by the unevenness of the ground. In addition, for the measurement of the retroreflection coefficient of the marked line, the requirements of an incident angle and an observation angle are high, so that a part used by a light path with a long length and high precision needs to be processed, and the cost is high.
Disclosure of Invention
In view of the above, the present disclosure provides an optical path apparatus of a reticle retro-reflection measuring instrument, including a housing, a light entrance reflection device and a light reflection device;
the light inlet reflecting device comprises a light source reflecting mirror, a beam expanding mirror, a light inlet reflecting mirror, a collimating mirror and a plane mirror;
a light source and a reflected light receiver are arranged on one side of the shell;
the light source reflector is arranged at the lower end of the light source;
the beam expander is arranged on the opposite side of the reflecting surface of the light source reflector;
the beam expander is arranged on the upper surface of the beam expander and comprises a beam inlet reflector and a beam expander;
the other side of the shell is provided with a light measuring hole; and is
The light inlet reflector is arranged opposite to the collimating mirror;
the plane mirror is arranged at the opposite side of the photometric hole;
the collimating lens is arranged above the light measuring hole;
the light of the light source sequentially passes through the light source reflector, the beam expander, the light inlet reflector, the collimating mirror and the plane mirror and is emitted out through the light measuring hole;
the reflected light emitted from the photometric hole is reflected to the collimating mirror through the plane mirror, the collimating mirror reflects the reflected light to the reflecting reflector, and the reflecting reflector reflects the reflected light to a reflected light receiver.
In one possible implementation, the reflecting device includes a first reflecting mirror, a second reflecting mirror, and a third reflecting mirror;
the first reflecting mirror is arranged on the opposite side of the reflecting surface of the collimating mirror;
the second reflecting mirror is arranged on the opposite side of the reflecting surface of the first reflecting mirror;
the second reflective mirror is arranged between the light source and the reflective light receiver;
the third reflecting mirror is arranged below the reflecting light receiver, so that the reflecting light is reflected to the reflecting light receiver through the plane mirror, the collimating mirror, the first reflecting mirror, the second reflecting mirror and the third reflecting mirror in sequence.
In one possible implementation, the beam expander is a cylindrical beam expander.
In one possible implementation, the collimating mirror is a cylindrical collimating mirror.
In a possible implementation manner, a first diaphragm is arranged at the light source;
the first diaphragm comprises an L-shaped inner cavity;
a first mounting hole is formed in the bent position of the first diaphragm;
the first mounting hole is provided with the light source reflector.
In a possible implementation, a second diaphragm is arranged at the reflected light receiver;
the second diaphragm comprises an L-shaped inner cavity;
a second mounting hole is formed in the bent part of the second diaphragm;
the second mounting hole is provided with the reflecting device.
In a possible implementation manner, a third diaphragm is arranged between the beam expanding lens and the collimating lens;
a fourth diaphragm is arranged between the collimating lens and the photometric hole;
and a fifth diaphragm is arranged between the light inlet reflecting mirror and the plane mirror.
In a possible implementation, a sixth aperture is provided between the light source and the reflected light receiver.
In one possible implementation, the housing is rectangular;
the sixth diaphragm is plate-shaped;
the sixth diaphragm is disposed in the middle of the housing.
According to another aspect of the present disclosure, there is provided a reticle retro-reflection measuring instrument, comprising the optical path device of the reticle retro-reflection measuring instrument described in any one of the above.
The light source reflector is arranged at the lower end of the light source, the beam expanding mirror is arranged at the opposite side of the reflecting surface of the light source reflector, the light inlet reflector is arranged at the opposite side of the reflecting surface of the beam expanding mirror, the other side of the shell is provided with a light measuring hole, the light source is arranged above the light measuring hole, the light of the light source sequentially passes through the light source reflector, the beam expanding mirror, the light inlet reflector, the collimating mirror and the plane mirror and is emitted out through the light measuring hole, the reflected light emitted from the light measuring hole is reflected to the collimating mirror through the plane mirror, the reflected light is reflected to the reflecting reflector through the collimating mirror, and the reflected light is reflected to the reflected light receiver through the reflecting reflector. Therefore, the light inlet path and the light reflection path are shortened, a high-precision device is not needed, and the cost is reduced.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
FIG. 1 shows a schematic view of an optical path arrangement of a reticle retro-reflective gauge of an embodiment of the present disclosure;
fig. 2 is a schematic optical path diagram of an optical path apparatus of a reticle retro-reflective measuring instrument according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
Fig. 1 shows a schematic view of an optical path arrangement of a reticle retro-reflective measurement instrument according to an embodiment of the present disclosure. As shown in fig. 1, the optical path device of the reticle retro-reflection measuring instrument includes:
the light source reflector is arranged at the lower end of the light source, the beam expander is arranged at the opposite side of the reflecting surface of the light source reflector, the light inlet reflector is arranged at the opposite side of the reflecting surface of the beam expander, the other side of the shell is provided with a light measuring hole, the light source is arranged above the light measuring hole, the light of the light source sequentially passes through the light source reflector, the beam expanding mirror, the light inlet reflector, the collimating mirror and the plane mirror and is emitted out through the light measuring hole, the reflected light emitted from the light measuring hole is reflected to the collimating mirror through the plane mirror, the reflected light is reflected to the reflecting reflector through the collimating mirror, and the reflected light is reflected to the reflected light receiver through the reflecting reflector.
The light source reflector is arranged at the lower end of the light source, the beam expanding mirror is arranged at the opposite side of the reflecting surface of the light source reflector, the light inlet reflector is arranged at the opposite side of the reflecting surface of the beam expanding mirror, the other side of the shell is provided with a light measuring hole, the light source is arranged above the light measuring hole, the light of the light source sequentially passes through the light source reflector, the beam expanding mirror, the light inlet reflector, the collimating mirror and the plane mirror and is emitted out through the light measuring hole, the reflected light emitted from the light measuring hole is reflected to the collimating mirror through the plane mirror, the reflected light is reflected to the reflecting reflector through the collimating mirror, and the reflected light is reflected to the reflected light receiver through the reflecting reflector. Therefore, the light inlet path and the light reflection path are shortened, a high-precision device is not needed, and the cost is reduced.
Specifically, referring to fig. 1, in a possible implementation manner, the reflective reflection device includes a first reflective mirror, a second reflective mirror and a third reflective mirror, the first reflective mirror is disposed at an opposite side of a reflection surface of the collimating mirror, the second reflective mirror is disposed at an opposite side of the reflection surface of the first reflective mirror, the second reflective mirror is disposed between the light source and the reflective light receiver, and the third reflective mirror is disposed below the reflective light receiver, so that the reflective light is reflected to the reflective light receiver through the plane mirror, the collimating mirror, the first reflective mirror, the second reflective mirror and the third reflective mirror in sequence. For example, the casing is provided with a light-entering reflection device and a light-reflecting reflection device, the light-entering reflection device comprises a light source reflection mirror, a beam expanding mirror, a light-entering reflection mirror, a collimating mirror and a plane mirror, wherein the beam expanding mirror is a cylindrical beam expanding mirror, the collimating mirror is a cylindrical collimating mirror, the light-reflecting reflection device comprises a first light reflecting mirror, a second light reflecting mirror and a third light reflecting mirror, the right side wall of the bottom of the casing is provided with a light measuring hole, firstly, the light source is positioned at the top of the casing and emits test light (light of the light source) to the bottom of the casing, when the test light passes through the middle of the casing, the test light is reflected to the right side wall of the casing through the arranged light source reflection mirror and reflected on the beam expanding mirror, the beam expanding mirror reflects the test light to the left side wall obliquely below the casing and to the light-entering reflection mirror, the light passes through the light-entering reflection mirror and reflects the test light to the plane mirror obliquely below the left side wall, the plane mirror is opposite to the light measuring hole on the right side wall, the test light is emitted from the light measuring hole, after the distance measuring light is reflected by a measured object, the reflected light is emitted into the shell through the light measuring hole to irradiate on the plane mirror, the plane mirror reflects the reflected light to the collimating mirror, the collimating mirror reflects a part of the reflected light to the first reflecting mirror on the left side wall, the first reflecting mirror reflects the reflected light to the second reflecting mirror between the light source and the reflected light receiver in an inclined upward direction, the second reflecting mirror reflects the reflected light to the third reflecting mirror below the reflected light receiver, the third reflecting mirror reflects the reflected light to the reflected light receiver, and the reflected light receiver can be a photoelectric converter.
Further, referring to fig. 1, in a possible implementation manner, a light entrance reflection device and a light reflection device are arranged in the housing, the light entrance reflection device includes a light source reflector, a beam expander, a light entrance reflector, a collimator and a plane mirror, the light reflection device includes a first light reflection reflector, a second light reflection reflector and a third light reflection reflector, a light measurement hole is formed in the right side wall of the bottom of the housing, and the arrangement manner of the light entrance reflection device and the light reflection device is as follows: the beam expanding mirror and the collimating mirror are sequentially arranged on the right side wall from top to bottom, and the first reflecting mirror, the light inlet reflecting mirror and the plane mirror are sequentially arranged on the left side wall from top to bottom.
Further, referring to fig. 1, in a possible implementation manner, a first diaphragm is disposed at the light source, the first diaphragm includes an "L" shaped inner cavity, a first mounting hole is disposed at a bending position of the first diaphragm, and a light source reflector is disposed at the first mounting hole. For example, the first diaphragm is trapezoidal, the inner cavity of the first diaphragm is "L" shaped, a mounting hole is formed in the bending part of the "L" shaped inner cavity, and a light source reflector is mounted in the mounting hole, that is, a light source is arranged at one end of the first diaphragm, light of the light source is emitted to the light source reflector at the bending part through the inner cavity of the first diaphragm, the light source reflector reflects light of the light source so as to form an "L" shaped light path in the inner cavity, the light of the light source can be collected by setting the first diaphragm, so that influence on other reflecting devices is avoided, and therefore the observation result is prevented from being influenced.
Further, referring to fig. 1, in a possible implementation manner, a second diaphragm is disposed at the reflected light receiver, the second diaphragm includes an "L" shaped inner cavity, a second mounting hole is disposed at a bending position of the second diaphragm, and a reflective device is disposed at the second mounting hole. For example, the second diaphragm is in a trapezoid shape, the inner cavity of the second diaphragm is in an "L" shape, a mounting hole is formed in a bending position of the "L" shaped inner cavity, and a third reflective mirror is mounted in the mounting hole.
Further, referring to fig. 1, in a possible implementation manner, a third diaphragm is disposed between the beam expander and the collimating mirror, a fourth diaphragm is disposed between the collimating mirror and the photometric hole, and a fifth diaphragm is disposed between the light inlet reflector and the plane mirror. For example, be provided with into light reflector and reflection of light reflector in the casing, advance light reflector and include light source reflector, beam expanding mirror, advance light reflector, collimating mirror and plane mirror, reflection of light reflector includes first reflection of light reflector, second reflection of light reflector and third reflection of light reflector, and the photometer hole has been seted up to the bottom right side wall of casing, advances light reflector and reflection of light reflector's the mode of arranging and does: the beam expanding mirror and the collimating mirror are sequentially arranged on the right side wall from top to bottom, and the first reflecting mirror, the light inlet reflecting mirror and the plane mirror are sequentially arranged on the left side wall from top to bottom. In order to ensure that the beam expanding mirror and the collimating mirror cannot be interfered with each other, a third diaphragm is arranged between the beam expanding mirror and the collimating mirror, similarly, a fourth diaphragm is also arranged between the light measuring hole and the collimating mirror, a fifth diaphragm is arranged between the light inlet reflecting mirror and the plane mirror, the reflecting effect between reflecting devices can be ensured, further, a seventh diaphragm is also arranged between the first reflecting mirror and the light inlet reflecting mirror, and an eighth diaphragm is also arranged above the second reflecting mirror, wherein the third diaphragm, the fourth diaphragm, the fifth diaphragm, the seventh diaphragm and the eighth diaphragm are both plate-shaped, the influence on other reflecting devices is avoided, and the observation result is prevented from being influenced.
Further, referring to fig. 1, in a possible implementation, a sixth diaphragm is disposed between the light source and the reflected light receiver. For example, the housing is rectangular, the sixth diaphragm is plate-shaped, the sixth diaphragm is arranged in the middle of the housing, and the height of the sixth diaphragm is larger than that of the first diaphragm and that of the second diaphragm, so that the first diaphragm and the second diaphragm are completely separated, the influence caused by diffuse reflection is avoided, and the observation precision is improved.
It should be noted that, although the optical path apparatus of the reticle retro-reflection measuring instrument of the present application is described above by way of example in the above-described embodiments, those skilled in the art will appreciate that the present disclosure should not be limited thereto. In fact, the user can flexibly set the light path device of the reticle retro-reflection measuring instrument according to personal preference and/or practical application scenes as long as the required functions are achieved.
Thus, the light-entering reflecting device comprises a shell, a light-entering reflecting device and a light-reflecting device, wherein the light-entering reflecting device comprises a light source reflecting mirror, a beam expanding mirror, a light-entering reflecting mirror, a collimating mirror and a plane mirror, one side of the shell is provided with a light source and a reflected light receiver, the light source reflecting mirror is arranged at the lower end of the light source, the beam expanding mirror is arranged at the opposite side of the reflecting surface of the light source reflecting mirror, the light-entering reflecting mirror is arranged at the opposite side of the reflecting surface of the beam expanding mirror, the light-entering reflecting mirror is arranged at the opposite side of the light-finding hole, the plane mirror is arranged at the opposite side of the light-finding hole, the collimating mirror is arranged above the light-finding hole, the light of the light source sequentially passes through the light-source reflecting mirror, the beam expanding mirror, the light-entering reflecting mirror, the collimating mirror and the plane mirror through the light-finding hole, the reflected light is reflected to the collimating mirror through the plane mirror, the collimating mirror reflects the reflected light to the light-reflecting device, the reflective reflection device reflects the reflected light to the reflective light receiver. Therefore, the light inlet path and the light reflection path are shortened, a high-precision device is not needed, and the cost is reduced.
According to another aspect of the present disclosure, there is provided a reticle retro-reflection gauge comprising the optical path means of the reticle retro-reflection gauge of any one of the preceding claims. Through the light path device of the contrary measuring apparatu of marking including this application to make the contrary measuring apparatu of marking advance light path and reflect the light path and shorten, thereby need not use the high device of precision, the cost is reduced, further increase the yields.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The light path device of the marking retroreflection measuring instrument is characterized by comprising a shell, a light inlet reflecting device and a light reflecting device;
the light inlet reflecting device comprises a light source reflecting mirror, a beam expanding mirror, a light inlet reflecting mirror, a collimating mirror and a plane mirror;
a light source and a reflected light receiver are arranged on one side of the shell;
the light source reflector is arranged at the lower end of the light source;
the beam expander is arranged on the opposite side of the reflecting surface of the light source reflector;
the beam expander is arranged on the upper surface of the beam expander and comprises a beam inlet reflector and a beam expander;
the other side of the shell is provided with a light measuring hole; and is
The light inlet reflector is arranged opposite to the collimating mirror;
the plane mirror is arranged at the opposite side of the photometric hole;
the collimating lens is arranged above the light measuring hole;
the light of the light source sequentially passes through the light source reflector, the beam expander, the light inlet reflector, the collimating mirror and the plane mirror and is emitted out through the light measuring hole;
the reflected light emitted from the photometric hole is reflected to the collimating mirror through the plane mirror, the collimating mirror reflects the reflected light to the reflecting reflector, and the reflecting reflector reflects the reflected light to a reflected light receiver.
2. The optical path apparatus of the reticle retroreflection measuring instrument according to claim 1, wherein the reflecting device comprises a first reflecting mirror, a second reflecting mirror, and a third reflecting mirror;
the first reflecting mirror is arranged on the opposite side of the reflecting surface of the collimating mirror;
the second reflecting mirror is arranged on the opposite side of the reflecting surface of the first reflecting mirror;
the second reflective mirror is arranged between the light source and the reflective light receiver;
the third reflecting mirror is arranged below the reflecting light receiver, so that the reflecting light is reflected to the reflecting light receiver through the plane mirror, the collimating mirror, the first reflecting mirror, the second reflecting mirror and the third reflecting mirror in sequence.
3. The apparatus of claim 1, wherein the beam expander is a cylindrical beam expander.
4. The optical path apparatus of the reticle retroreflection measuring instrument of claim 1, wherein the collimating mirror is a cylindrical collimating mirror.
5. The optical path apparatus of the reticle retroreflection measuring instrument according to claim 1, wherein a first diaphragm is provided at the light source;
the first diaphragm comprises an L-shaped inner cavity;
a first mounting hole is formed in the bent position of the first diaphragm;
the first mounting hole is provided with the light source reflector.
6. The optical path apparatus of the reticle retroreflection measuring instrument according to claim 1, wherein a second diaphragm is provided at the reflected light receiver;
the second diaphragm comprises an L-shaped inner cavity;
a second mounting hole is formed in the bent part of the second diaphragm;
the second mounting hole is provided with the reflecting device.
7. The optical path apparatus of the reticle retro-reflective measuring instrument according to claim 1, wherein a third diaphragm is disposed between the beam expanding mirror and the collimating mirror;
a fourth diaphragm is arranged between the collimating lens and the photometric hole;
and a fifth diaphragm is arranged between the light inlet reflecting mirror and the plane mirror.
8. The optical path apparatus of the reticle retro-reflective measuring instrument according to claim 1, wherein a sixth diaphragm is disposed between the light source and the reflected light receiver.
9. The optical path apparatus of the reticle retro-reflective measuring instrument according to claim 8, wherein the housing is rectangular;
the sixth diaphragm is plate-shaped;
the sixth diaphragm is disposed in the middle of the housing.
10. A reticle retroreflection measuring instrument comprising the optical path device of the reticle retroreflection measuring instrument according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558764.2A CN113390832B (en) | 2021-05-21 | 2021-05-21 | Light path device of marking retroreflection measuring instrument and marking retroreflection measuring instrument with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558764.2A CN113390832B (en) | 2021-05-21 | 2021-05-21 | Light path device of marking retroreflection measuring instrument and marking retroreflection measuring instrument with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113390832A true CN113390832A (en) | 2021-09-14 |
| CN113390832B CN113390832B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110558764.2A Active CN113390832B (en) | 2021-05-21 | 2021-05-21 | Light path device of marking retroreflection measuring instrument and marking retroreflection measuring instrument with same |
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| Country | Link |
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| CN (1) | CN113390832B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136440A (en) * | 2021-10-29 | 2022-03-04 | 交通运输部公路科学研究所 | Portable retroreflection luminosity and chromaticity combined measurement method and device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206311499U (en) * | 2016-12-14 | 2017-07-07 | 河北博越瑞通科技有限公司 | Mark measuring instrument and its measurement apparatus |
| CN206479451U (en) * | 2016-12-14 | 2017-09-08 | 河北博越瑞通科技有限公司 | Graticule measuring instrument and its measurement apparatus |
| CN206710290U (en) * | 2017-04-18 | 2017-12-05 | 河南新友工程机械有限公司 | A kind of new road graticule retroreflectometer |
| CN207557092U (en) * | 2017-03-16 | 2018-06-29 | 周西伦 | A kind of measure of coefficient of against glint instrument |
| CN110241697A (en) * | 2019-05-20 | 2019-09-17 | 交通运输部公路科学研究所 | A kind of mobile laboratory's formula road planar condition test device and method |
| 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 |
| CN210198958U (en) * | 2019-05-20 | 2020-03-27 | 交通运输部公路科学研究所 | Device for measuring road marking luminosity performance |
| CN212008299U (en) * | 2020-05-18 | 2020-11-24 | 四川京炜数字科技有限公司 | Optical assembly for hand-held type road marking retroreflection tester |
-
2021
- 2021-05-21 CN CN202110558764.2A patent/CN113390832B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206311499U (en) * | 2016-12-14 | 2017-07-07 | 河北博越瑞通科技有限公司 | Mark measuring instrument and its measurement apparatus |
| CN206479451U (en) * | 2016-12-14 | 2017-09-08 | 河北博越瑞通科技有限公司 | Graticule measuring instrument and its measurement apparatus |
| CN207557092U (en) * | 2017-03-16 | 2018-06-29 | 周西伦 | A kind of measure of coefficient of against glint instrument |
| CN206710290U (en) * | 2017-04-18 | 2017-12-05 | 河南新友工程机械有限公司 | A kind of new road graticule retroreflectometer |
| CN110241697A (en) * | 2019-05-20 | 2019-09-17 | 交通运输部公路科学研究所 | A kind of mobile laboratory's formula road planar condition test device and method |
| CN210198958U (en) * | 2019-05-20 | 2020-03-27 | 交通运输部公路科学研究所 | Device for measuring road marking luminosity performance |
| 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 |
| CN212008299U (en) * | 2020-05-18 | 2020-11-24 | 四川京炜数字科技有限公司 | Optical assembly for hand-held type road marking retroreflection tester |
Non-Patent Citations (2)
| Title |
|---|
| 王伟杰等: "便携式逆反射系数测试仪", 《光学精密工程》 * |
| 赵蓓俊等: "嵌入式逆反射系数检测仪的研究与实现", 《山东理工大学学报(自然科学版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136440A (en) * | 2021-10-29 | 2022-03-04 | 交通运输部公路科学研究所 | Portable retroreflection luminosity and chromaticity combined measurement method and device |
| CN114136440B (en) * | 2021-10-29 | 2023-09-08 | 交通运输部公路科学研究所 | Portable retroreflection luminosity and chromaticity combined measurement method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113390832B (en) | 2023-04-25 |
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