CN217878908U - Light filter detection device - Google Patents
Light filter detection device Download PDFInfo
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- CN217878908U CN217878908U CN202221253921.5U CN202221253921U CN217878908U CN 217878908 U CN217878908 U CN 217878908U CN 202221253921 U CN202221253921 U CN 202221253921U CN 217878908 U CN217878908 U CN 217878908U
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Abstract
The utility model discloses an optical filter detection device. The optical filter detection device comprises a detection light source, a light source and a light source module, wherein the detection light source emits preset luminous flux; the light sensing device is used for collecting light rays emitted by the detection light source; a light analysis module for detecting the luminous flux of the light; a switching part for placing the optical filter, which is provided with a plurality of grooves for placing the optical filter; the switching part is connected between the photosensitive device and the optical analysis assembly, so that light rays emitted by the detection light source enter the photosensitive device and then enter the optical analysis assembly through the switching part. The technical scheme is simple in structure, and the light transmittance of the optical filters is detected conveniently and quickly.
Description
Technical Field
The utility model relates to an optical filter detection device.
Background
Manufacturers using filters need a simple device capable of rapidly detecting the filters because the cost of purchasing special detection equipment is high, and the usage amount of the manufacturers using filters is relatively small, so that the manufacturers cannot support the operation of special equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an optical filter detection device.
The technical scheme of the utility model is that: a light filter detection device for detecting light transmittance of a light filter, the light filter detection device comprising,
a detection light source emitting a predetermined luminous flux;
the light sensing device is used for collecting light rays emitted by the detection light source;
a light analysis module for detecting a luminous flux of the light;
a switching part for placing the optical filter, which is provided with a plurality of grooves for placing the optical filter; the switching part is connected between the photosensitive device and the optical analysis assembly, so that light rays emitted by the detection light source enter the photosensitive device and then enter the optical analysis assembly through the switching part.
Further, the light sensing device is an integrating sphere.
Furthermore, the optical analysis assembly comprises a spectrometer and an optical fiber, wherein the optical fiber is connected between the spectrometer and the switching part, so that the light passing through the switching part enters the spectrometer through the optical fiber.
Further, the switching part is connected to the machine body through a linear guide rail, and a plurality of grooves in the switching part are linearly arranged along the extension direction of the linear guide rail.
Further, the optical filter detection device further comprises a linear driving part connected to the switching part, and the linear driving part enables the switching part to move along a linear guide rail, so that the photosensitive devices and the optical analysis assembly corresponding to the grooves on the switching part are achieved.
Further, the plurality of grooves on the switching portion are distributed along the rotation center of the switching portion.
Furthermore, the optical filter detection device further comprises a rotation driving part connected to the switching part for controlling the switching part to rotate
The beneficial effects of the utility model reside in that: the technical scheme is simple in structure, and the light transmittance of the optical filters is detected conveniently and quickly.
Drawings
FIG. 1 is a schematic view of a filter inspection apparatus with a switch portion moving linearly;
FIG. 2 is a schematic view of the linear arrangement of the grooves on the switching portion corresponding to FIG. 1;
FIG. 3 is a schematic view of the optical filter detecting device with the switching part rotating;
fig. 4 is a schematic view of the circumferential arrangement of the grooves on the switching portion corresponding to fig. 3.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be described in further detail with reference to specific embodiments.
Example one
As shown in fig. 1 and fig. 2, an optical filter detection apparatus 100 is used for detecting the light transmittance of an optical filter, which is also called an attenuation sheet, and is used for attenuating transmitted light according to a certain proportion, for example, the light flux incident on the optical filter is a, the light flux emitted from the optical filter is B (B is smaller than a), and at this time, the light transmittance (attenuation rate) of the optical filter is B/a (smaller than 1); the optical filter detection apparatus 100 comprises a light filter,
a detection light source 20 emitting a predetermined luminous flux;
a light sensing device 30 for collecting light emitted from the detection light source 20;
a light analyzing unit 40 for detecting the luminous flux of the light, here, the luminous flux of the light emitted through the optical filter;
a switching part 50 for placing the optical filter, which is provided with a plurality of grooves 51 for placing the optical filter, wherein the grooves 51 are used for rapidly placing and positioning the optical filter; the switching unit 50 is connected between the photosensitive device 30 and the optical analysis module 40, so that light emitted from the detection light source 20 enters the photosensitive device 30 and then enters the optical analysis module 40 through the switching unit 50; the light transmittance of the filter is calculated by detecting the predetermined light flux of the light source 20 and the light flux emitted from the filter and detected by the light analysis module 40.
By adopting the technical scheme, the optical filters are placed in the grooves 51 on the switching part 50, and the positions of the switching part 50 are adjusted to realize the detection of the optical filters; the technical scheme is simple and reliable.
As shown in fig. 1 and 2, the light sensing device 30 is an integrating sphere, and the integrating sphere is a component for collecting light flux, so as to facilitate analysis of the light from the detection light source 20.
As shown in fig. 1 and 2, the optical analysis assembly 40 includes a spectrometer 41 and an optical fiber 42, the optical fiber 42 is connected between the spectrometer 41 and the switching part 50, so that the light passing through the switching part 50 enters the spectrometer 41 through the optical fiber 42, the optical fiber 42 is used for transmitting the light, the light exiting through the optical filter enters the spectrometer 41, and the spectrometer 41 is used for detecting the light exiting from the optical filter.
By adopting the technical scheme, the detection of the emergent light rays through the optical filter is realized; of course, those skilled in the art can also use other devices for detecting light, and equally replace the optical analysis assembly, and shall also fall within the scope of the protection/disclosure of the present invention.
As shown in fig. 1 and 2, the switching part 50 is connected to the machine body 70 through a linear guide 60, and is used for realizing that the switching part 50 can move linearly relative to the machine body 70, so as to realize switching of the filters at different positions; the plurality of grooves 51 on the switching portion 50 are arranged linearly along the extending direction of the linear guide rail 60; the position switching of the plurality of grooves 51 (the optical filters located in the grooves 51) relative to the photosensitive device 30 is realized, so that the light transmittance detection of the plurality of optical filters is realized.
By adopting the technical scheme, the light transmittance of the plurality of light filters can be conveniently detected, the operation is simple, and the detection efficiency is high.
As shown in fig. 1 and 2, the optical filter detection apparatus 100 further includes a linear driving unit (not shown) connected to the switching unit 50, wherein the linear driving unit moves the switching unit 50 along the linear guide rail 60, so that a plurality of grooves 51 on the switching unit 50 correspond to the photosensitive devices 30 and the optical analysis module 40; the linear driving part can be a linear motor, the linear motor is installed on the machine body 70, and the output shaft of the linear motor is connected to the switching part 50, so that the linear motor can control the linear motion of the switching part 50; the linear driving part can be set to be a belt transmission driven by a rotating motor, and the switching part 50 is driven to move along the linear guide rail 60 through the belt transmission; the above two schemes for realizing the linear motion of the switching part 50 are not described herein.
By adopting the technical scheme, the linear driving part automatically controls the switching part 50 to move so as to realize the switching of the optical filters at different grooves 51, the testing efficiency is high, and the automatic detection is convenient to realize.
Example two:
as shown in fig. 3 and 4, an optical filter detection apparatus 100a is used for detecting the light transmittance of an optical filter, which is also called an attenuation sheet, and is used for attenuating transmitted light according to a certain proportion, for example, the light flux incident on the optical filter is a, the light flux emitted after passing through the optical filter is B (B is smaller than a), and at this time, the light transmittance (attenuation rate) of the optical filter is B/a (smaller than 1); the optical filter detection apparatus 100a includes,
a detection light source 20a emitting a predetermined luminous flux;
a light sensing device 30a for collecting light emitted from the detection light source 20 a;
a light analyzing unit 40a for detecting the luminous flux of the light, here, the luminous flux of the light emitted through the optical filter;
a switching part 50a for placing the optical filter, which is provided with a plurality of grooves 51a for placing the optical filter, wherein the grooves 51a are used for quickly placing and positioning the optical filter; the switching unit 50a is connected between the photosensitive device 30a and the optical analysis module 40a, so that the light emitted from the detection light source 20a enters the photosensitive device 30a and then enters the optical analysis module 40a through the switching unit 50 a; the light transmittance of the filter is calculated by detecting a predetermined light flux of the light source 20a and a light flux emitted through the filter detected by the light analysis module 40 a.
By adopting the technical scheme, the detection of the optical filters is realized by placing the optical filters in the grooves 51a on the switching part 50a and adjusting the position of the switching part 50 a; the technical scheme is simple and reliable.
As shown in fig. 1 and 2, the light sensing device 30a is an integrating sphere, and the integrating sphere is a component for collecting light flux, so as to facilitate analysis of the light from the detection light source 20 a.
As shown in fig. 1 and 2, the optical analysis module 40a includes a spectrometer 41a and an optical fiber 42a, the optical fiber 42a is connected between the spectrometer 41a and the switch 50a, so that the light passing through the switch 50a enters the spectrometer 41a through the optical fiber 42a, the optical fiber 42a is used for transmitting the light, the light exiting through the optical filter enters the spectrometer 41a, and the spectrometer 41a is used for detecting the light exiting from the optical filter.
By adopting the technical scheme, the detection of the emergent light rays of the optical filter is realized; of course, those skilled in the art can also use other devices for detecting light, and equally replace the optical analysis assembly, and shall also fall within the scope of the protection/disclosure of the present invention.
As shown in fig. 3 and 4, the plurality of grooves 51a on the switch 50a are distributed along the rotation center of the switch 50a, that is, each groove 51a is at the same distance from the rotation center of the switch 50 a; and each filter positioned in the groove 51a can reach between the spectrograph 41a and the switching part 50a, so that the detection requirement is met.
As shown in fig. 3 and 4, the optical filter detection apparatus 100a further includes a rotation driving unit 80a, where the rotation driving unit 80a is connected to the switching unit 50a and is used for controlling the switching unit 50a to rotate so as to switch the optical filters at different positions; those skilled in the art can use the rotary driving portion 80a as a rotary motor or other equivalent components for realizing rotary driving according to the technical solution of the present invention, and detailed description thereof is omitted here.
The above is the preferred embodiment of the present invention, and is not used to limit the protection scope of the present invention. It should be recognized that non-inventive variations and modifications to the disclosed embodiments, as understood by those skilled in the art, are intended to be included within the scope of the present invention as claimed and claimed.
Claims (7)
1. The utility model provides an optical filter detection device for detect the luminousness of optical filter, its characterized in that: the optical filter detection device comprises a light filter detection device,
a detection light source emitting a predetermined luminous flux;
the photosensitive device is used for collecting light rays emitted by the detection light source;
a light analysis module for detecting the luminous flux of the light;
a switching part for placing the optical filter, which is provided with a plurality of grooves for placing the optical filter; the switching part is connected between the photosensitive device and the optical analysis assembly, so that light rays emitted by the detection light source enter the photosensitive device and then enter the optical analysis assembly through the switching part.
2. The filter detecting device according to claim 1, wherein:
the photosensitive device is an integrating sphere.
3. The filter detecting device according to claim 1, wherein:
the optical analysis component comprises a spectrometer and an optical fiber, wherein the optical fiber is connected between the spectrometer and the switching part, so that the light passing through the switching part enters the spectrometer through the optical fiber.
4. The filter detecting device according to claim 1, wherein:
the switching part is connected to the machine body through a linear guide rail, and a plurality of grooves in the switching part are linearly arranged along the extension direction of the linear guide rail.
5. The filter detecting device according to claim 4, wherein:
the optical filter detection device further comprises a linear driving part connected to the switching part, and the linear driving part enables the switching part to move along the linear guide rail, so that the photosensitive devices and the optical analysis assembly corresponding to the grooves in the switching part are achieved.
6. The filter detecting device according to claim 1, wherein:
the plurality of grooves on the switching portion are distributed along a center of rotation of the switching portion.
7. The filter detecting device according to claim 6, wherein:
the optical filter detection device further comprises a rotary driving part, wherein the rotary driving part is connected to the switching part and used for controlling the switching part to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253921.5U CN217878908U (en) | 2022-05-24 | 2022-05-24 | Light filter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221253921.5U CN217878908U (en) | 2022-05-24 | 2022-05-24 | Light filter detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878908U true CN217878908U (en) | 2022-11-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221253921.5U Active CN217878908U (en) | 2022-05-24 | 2022-05-24 | Light filter detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878908U (en) |
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2022
- 2022-05-24 CN CN202221253921.5U patent/CN217878908U/en active Active
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