CN213579744U - Correcting device suitable for luminance meter detection light path - Google Patents
Correcting device suitable for luminance meter detection light path Download PDFInfo
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- CN213579744U CN213579744U CN202022687831.4U CN202022687831U CN213579744U CN 213579744 U CN213579744 U CN 213579744U CN 202022687831 U CN202022687831 U CN 202022687831U CN 213579744 U CN213579744 U CN 213579744U
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Abstract
The application discloses correcting unit suitable for luminance meter detects light path includes: the main shaft sliding rail, the first sliding table, the projector, the spectrometer and the collimator; the first sliding table is connected to the main shaft sliding rail in a sliding mode, the main shaft sliding rail extends approximately along a main optical axis, and the sliding connection direction of the first sliding table and the main shaft sliding rail is parallel to the main optical axis; the line projector comprises a laser generator and an optical element so that the line projector projects a cross laser line to the plate surface of the spectrometer at a set angle, and the line projector is arranged on one side of the spindle slide rail; the spectrometer is movably arranged on the first sliding table so that the spectrometer can rotate at least by taking a vertical axis or a horizontal axis as an axis; the light alignment instrument is provided with a cross light alignment channel for the cross laser ray emitted by the light projector and reflected or transmitted by the light splitter to pass through, and the light alignment instrument is arranged on the other side of the main shaft slide rail. The utility model provides an useful part lies in providing one kind and rectifies through the characteristic that adopts laser rectilinear propagation thereby improve detection efficiency's correcting unit who is applicable to luminance meter detection light path.
Description
Technical Field
The present invention relates to a correction device, and more particularly, to a correction device suitable for a luminance meter detection optical path.
Background
The illumination is to create a safe, comfortable and beautiful light environment for people's life and work. With the development of economy and the continuous improvement of living standard, the living and working time and space of people extend from daytime to night, and the great progress of the fields of panel display, urban night scene illumination and indoor illumination is promoted, for example, almost all luminous objects such as signal lamps, traffic lights, airport illumination, indoor illumination light sources, computer display screens, mobile phone display screens, large-size outdoor display screens and the like, so that the extension and the extension of the living time and space of people are achieved. This has a positive effect on improving the quality of life and developing economy. But also has the problems of energy waste, light pollution and the like. How to ensure the quality of illumination and flat panel display under the condition of energy conservation and environmental protection is an increasingly important problem. The brightness meter is an important optical instrument for measuring the optical index of the light source.
When the luminance meter is optically checked, if the included angle between the luminance meter and the light track has errors, the error exists in the checking result. The current situation is still in the manual adjustment stage, which results in low actual verification efficiency.
Disclosure of Invention
In order to solve the disadvantages of the prior art, the present application provides a correction device suitable for a luminance meter detection light path, comprising: the main shaft sliding rail, the first sliding table, the projector, the spectrometer and the collimator; the first sliding table is connected to the main shaft sliding rail in a sliding mode, the main shaft sliding rail extends approximately along a main optical axis, and the sliding connection direction of the first sliding table and the main shaft sliding rail is parallel to the main optical axis; the line projector comprises a laser generator and an optical element so that the line projector projects a cross laser line to the plate surface of the spectrometer at a set angle, and the line projector is arranged on one side of the spindle slide rail; the spectrometer is movably arranged on the first sliding table so that the spectrometer can rotate at least by taking a vertical axis or a horizontal axis as an axis; the light alignment instrument is provided with a cross light alignment channel for the cross laser ray emitted by the light projector and reflected or transmitted by the light splitter to pass through, and the light alignment instrument is arranged on the other side of the main shaft slide rail.
Furthermore, in the horizontal plane, the included angle between the vertical laser plane projected by the line projector and the main optical axis is 45 degrees.
Further, in a horizontal plane, an included angle between the extending direction of the cross-shaped light-focusing channel of the light-focusing instrument and the main optical axis is 45 degrees.
Further, the horizontal laser plane projected by the line projector is arranged at the same height with the center of the spectrometer.
Further, the spectrometer is constructed as a half-reflecting and half-transmitting mirror.
Further, the light projector and the light aligner are positioned on the same side of the spectrometer.
Further, the cross-shaped light-focusing channel of the line projector comprises a horizontal channel parallel to the horizontal plane.
Further, the height of the horizontal channel is equal to the height of a horizontal laser plane projected by the line projector.
Further, the collimator comprises two repeatedly arranged cross-shaped reticles.
Further, the cross hole of the cross reticle constitutes at least a part of the cross spectroscopic channel.
The application has the advantages that: provided is a correction device suitable for a detection light path of a luminance meter, which improves detection efficiency by performing correction using characteristics of laser linear propagation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic structural diagram of a correction device suitable for a luminance meter detection optical path according to an embodiment of the present application.
Fig. 2 to 16 are schematic structural diagrams of parts of the correction device suitable for the detection light path of the luminance meter shown in fig. 1.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The application provides a correcting unit suitable for luminance meter detects light path includes: the main shaft sliding rail, the first sliding table, the projector, the spectrometer and the collimator; the first sliding table is connected to the main shaft sliding rail in a sliding mode, the main shaft sliding rail extends approximately along a main optical axis, and the sliding connection direction of the first sliding table and the main shaft sliding rail is parallel to the main optical axis; the line projector comprises a laser generator and an optical element so that the line projector projects a cross laser line to the plate surface of the spectrometer at a set angle, and is arranged on one side of the main shaft slide rail; the spectrometer is movably arranged on the first sliding table so that the spectrometer can rotate at least by taking a vertical axis or a horizontal axis as an axis; the light aligning instrument is provided with a cross light aligning channel for the cross laser ray which is emitted by the light projector and reflected or transmitted by the light splitter to pass through, and the light aligning instrument is arranged on the other side of the main shaft slide rail.
Specifically, in the horizontal plane, the included angle between the vertical laser plane projected by the line projector and the main optical axis is 45 degrees.
Specifically, in the horizontal plane, the extending direction of the cross-shaped light channel of the light-alignment instrument forms an included angle of 45 degrees with the main optical axis.
Specifically, the horizontal laser plane projected by the line projector is set to be equal in height to the center of the spectrometer.
Specifically, the spectrometer is constructed as a half-reflecting and half-transmitting mirror.
Specifically, the light projector and the light aligner are both positioned on the same side of the spectrometer.
Specifically, the cross-focusing optical channel of the line projector includes a horizontal channel parallel to the horizontal plane.
Specifically, the height of the horizontal channel is equal to the height of the horizontal laser plane projected by the line projector.
Specifically, the collimator includes two repetitively arranged cross reticles.
Specifically, the cross holes of the cross reticle constitute at least a part of the cross spectroscopic channels.
After the semi-reflecting and semi-transmitting mirror in the spectrometer is adjusted by adopting the scheme, the semi-reflecting and semi-transmitting mirror is replaced by a standard plate, such as a standard white plate or a standard color plate, then a standard light source is installed on a second sliding table on the main shaft guide rail, and a brightness meter to be detected is placed between the two cross-shaped spectrographs, so that the brightness meter can be detected.
As a specific scheme, an automated three-dimensional and three-axis mobile platform can be used to mount a projector, a spectrometer and a collimator so as to realize automatic position and attitude adjustment of the projector, the spectrometer and the collimator.
As a specific scheme, the direction adjusting device for calibrating the brightness meter mainly comprises a laser source, a working platform with a three-legged spiral structure, a semi-reflecting and semi-transparent mirror, two rotating devices, two reticles with cross slits and the like.
The laser source is installed at the work platform. The working platform is provided with a tripod spiral structure, so that the working platform is convenient to fasten and can be horizontally and finely adjusted. The laser source and the axis of the working platform are adjusted to 45 ° to the axis of the optical track by means of a level, theodolite.
The half-reflecting and half-transmitting mirror is arranged on a rotating device, and the rotating device can respectively carry out linear displacement and pitch angle displacement adjustment in the vertical direction and the horizontal direction. The two half-reflecting and half-transmitting mirrors are provided with a reticle with cross slits and are arranged on a rotating device, and the rotating device can respectively adjust linear displacement and pitch angle displacement in the vertical direction and the horizontal direction.
The horizontal height adjustment of the two optical axis measuring devices is based on the following principle: the laser source emits horizontal laser lines, the light rays are projected to the semi-reflecting and semi-transparent mirror, the height of the rotating device is finely adjusted near the horizontal coordinate axis of the cross reticle, the reflected light rays are enabled to coincide with the horizontal coordinate axis of the cross reticle, and the adjustment of the horizontal height of the two optical axis lines is completed.
To the pitch angle adjustment of standard blank, its principle: the laser source emits a point light source, the point light source projects to the semi-reflecting and semi-transparent mirror, a reflection light spot is formed at the center of the cross reticle, the semi-reflecting and semi-transparent mirror is rotated by 180 degrees by the aid of the rotating device, the reflection light spot is generated near the center of the cross reticle again, and pitching of the rotating device is adjusted to enable the reflection light spots to coincide twice, so that pitching angle adjustment of the standard whiteboard is completed.
The angle adjustment of two optical axis measurement is carried out according to the following principle: the laser source emits plumb laser lines, light is projected to the semi-reflecting and semi-transparent mirror, reflected light is close to the vertical coordinate axis of the cross reticle, the horizontal angle of the rotating device bearing the cross reticle is finely adjusted, the reflected light is enabled to coincide with the vertical coordinate axis of the cross reticle, and adjustment of angles of the two light measuring axes is completed.
The utility model provides a position adjusting device of luminance meter calibration uses convenient quick to improve the adjustment degree of accuracy, in order to reduce the every single move angle error of standard whiteboard mounting surface, and the angle error of two survey optical axis, and be in same horizontal plane with the survey optical axis of luminance meter and light rail. The accuracy of the luminance meter measurement result is improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a correcting unit suitable for luminance meter detects light path which characterized in that:
the correcting device suitable for the luminance meter detection light path comprises: the main shaft sliding rail, the first sliding table, the projector, the spectrometer and the collimator;
the first sliding table is connected to the main shaft sliding rail in a sliding mode, the main shaft sliding rail extends approximately along a main optical axis, and the sliding connection direction of the first sliding table and the main shaft sliding rail is parallel to the main optical axis;
the line projector comprises a laser generator and an optical element so that the line projector projects a cross laser line to the plate surface of the spectrometer at a set angle, and the line projector is arranged on one side of the spindle slide rail;
the spectrometer is movably arranged on the first sliding table so that the spectrometer can rotate at least by taking a vertical axis or a horizontal axis as an axis;
the light alignment instrument is provided with a cross light alignment channel for the cross laser ray emitted by the light projector and reflected or transmitted by the light splitter to pass through, and the light alignment instrument is arranged on the other side of the main shaft slide rail.
2. The correction device for a luminance meter detection optical path according to claim 1, characterized in that:
in the horizontal plane, the included angle between the vertical laser plane projected by the line projector and the main optical axis is 45 degrees.
3. The correction device for a luminance meter detection optical path according to claim 2, characterized in that:
in the horizontal plane, the extending direction of the cross-shaped light-focusing channel of the light-focusing instrument forms an included angle of 45 degrees with the main optical axis.
4. The correction device for a luminance meter detection optical path according to claim 3, characterized in that:
the horizontal laser plane projected by the line projector is arranged at the same height with the center of the spectrometer.
5. The correction device for a luminance meter detection optical path according to claim 4, characterized in that:
the spectrometer is constructed as a half-reflecting and half-transmitting mirror.
6. The correction device for a luminance meter detection optical path according to claim 5, characterized in that:
the light projector and the light aligner are both positioned at the same side of the spectrometer.
7. The correction device for a luminance meter detection optical path according to claim 6, characterized in that:
the cross-shaped light-focusing channel of the demarcation device comprises a horizontal channel parallel to a horizontal plane.
8. The correction device for a luminance meter detection optical path according to claim 7, characterized in that:
the height of the horizontal channel is equal to the height of a horizontal laser plane projected by the line projector.
9. The correction device for a luminance meter detection optical path according to claim 8, characterized in that:
the collimator comprises two repeatedly arranged cross-shaped reticles.
10. The correction device for a luminance meter detection optical path according to claim 9, characterized in that:
the cross holes of the cross reticle constitute at least a part of the cross light splitting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022687831.4U CN213579744U (en) | 2020-11-19 | 2020-11-19 | Correcting device suitable for luminance meter detection light path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022687831.4U CN213579744U (en) | 2020-11-19 | 2020-11-19 | Correcting device suitable for luminance meter detection light path |
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| Publication Number | Publication Date |
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| CN213579744U true CN213579744U (en) | 2021-06-29 |
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| CN202022687831.4U Active CN213579744U (en) | 2020-11-19 | 2020-11-19 | Correcting device suitable for luminance meter detection light path |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358696A (en) * | 2023-05-31 | 2023-06-30 | 中国科学院合肥物质科学研究院 | Micro-light source radiation calibration transfer adjustment system and method adopting laser level meter |
-
2020
- 2020-11-19 CN CN202022687831.4U patent/CN213579744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358696A (en) * | 2023-05-31 | 2023-06-30 | 中国科学院合肥物质科学研究院 | Micro-light source radiation calibration transfer adjustment system and method adopting laser level meter |
| CN116358696B (en) * | 2023-05-31 | 2023-08-22 | 中国科学院合肥物质科学研究院 | Micro-light source radiation calibration transfer adjustment system and method adopting laser level meter |
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