Large-size optical filter spectral measurement fixing device

Abstract

The utility model discloses a fixing device for spectral measurement of a large-size optical filter. The fixing device comprises a light barrier, a center measurement mechanism and an edge measurement mechanism, a light through hole penetrates through the light barrier; a first movable backup plate in the center measuring mechanism is movably arranged on a first mounting bottom plate through a first guide limiting structure, so that the first movable backup plate is close to a first fixed side plate to form a first optical filter fixing cavity, and the first optical filter fixing cavity is arranged corresponding to the light through hole to realize the light splitting effect of detecting the center position of the optical filter to be detected; a second movable backup plate in the edge measuring mechanism is movably arranged on a second mounting bottom plate through a second guide limiting structure, so that the second movable backup plate is close to a second fixed side plate to form a second optical filter fixing cavity, the second optical filter fixing cavity is arranged corresponding to the light through hole, and the second mounting bottom plate is movably arranged on a limiting sliding seat; and the second optical filter fixing cavity is driven to transversely move relative to the light through hole, so that the light splitting effect of the to-be-detected optical filter at different edge positions at the same height is detected.

Description

Technical Field

[0001] This utility model relates to the field of filter testing technology, specifically to a large-size filter spectral measurement and fixing device. Background Technology

[0002] In the production process of IR filters, it is necessary to perform spectral measurement and monitoring on the products. However, traditional measurement devices require large-sized filters to be cut into smaller sizes before measurement can be performed. For high-value filters, if the traditional cutting measurement method is used, the filter will lose its production value, which will easily lead to production waste. In addition, traditional measurement devices cannot be used to fix filters of different thicknesses, and have a limited range of applications. Utility Model Content

[0003] To overcome the above-mentioned technical problems, this utility model discloses a large-size filter spectral measurement fixing device.

[0004] The technical solution adopted by this utility model to achieve the above objectives is as follows:

[0005] A large-size filter spectral measurement fixing device includes a light-blocking plate, a central measurement mechanism, and an edge measurement mechanism;

[0006] A light-transmitting hole for transmitting detection light is provided through the light-blocking plate;

[0007] The central measuring mechanism includes a first mounting base plate, a first fixed side plate, and a first movable backing plate. The first fixed side plate is vertically disposed on the first mounting base plate, and the first movable backing plate is movably disposed on the first mounting base plate through a first guide limiting structure so that it is close to the first fixed side plate to form a first filter fixing cavity. The first filter fixing cavity is disposed corresponding to the light transmission hole to achieve the spectral splitting effect of detecting the center position of the filter under test.

[0008] The edge measurement mechanism includes a limiting slide, a second mounting base plate, a second fixed side plate, and a second movable backing plate. The second fixed side plate is vertically disposed on the second mounting base plate. The second movable backing plate is movably disposed on the second mounting base plate through a second guide limiting structure, so that it approaches the second fixed side plate to form a second filter fixing cavity. The second filter fixing cavity is disposed corresponding to the light transmission hole. The second mounting base plate is movably disposed on the limiting slide, driving the second filter fixing cavity to move laterally relative to the light transmission hole, so as to realize the detection of the beam splitting effect of the filter under test at different edge positions at the same height.

[0009] The above-mentioned large-size filter spectral measurement fixing device includes a plurality of first guide grooves provided on the first mounting base plate, and a first guide post extending from the first guide groove;

[0010] The first movable backing plate is provided with a first guide protrusion corresponding to the first guide groove, and a first guide hole is provided through the first guide protrusion for the first guide post to pass through.

[0011] In the aforementioned large-size filter spectral measurement fixing device, the first guide post is perpendicular to the first fixing side plate.

[0012] In the aforementioned large-size filter spectral measurement fixing device, the first movable backing plate is parallel to the first fixed side plate.

[0013] The large-size filter spectral measurement fixing device described above has a first detection through hole through the first fixing side plate for exposing the center position of the filter to be tested, and the first detection through hole is set corresponding to the light transmission hole.

[0014] The aforementioned large-size filter spectral measurement fixing device includes a plurality of second guide grooves provided on the second mounting base plate, and second guide posts extending from the second guide grooves;

[0015] The second movable backing plate is provided with a second guide protrusion corresponding to the second guide groove, and a second guide hole is provided through the second guide protrusion for the second guide post to pass through.

[0016] In the aforementioned large-size filter spectral measurement fixing device, the second guide post is perpendicular to the second fixing side plate.

[0017] In the aforementioned large-size filter spectral measurement fixing device, the second movable backing plate is parallel to the second fixed side plate.

[0018] In the aforementioned large-size filter spectral measurement fixing device, the driving direction of the limiting slide is perpendicular to the guiding direction of the second guide post.

[0019] The large-size filter spectral measurement fixing device described above has a second detection through hole through the second fixing side plate for exposing the edge position of the filter to be tested, and the second detection through hole is set corresponding to the light transmission hole.

[0020] The beneficial effects of this utility model are as follows: This utility model has a reasonable and ingenious design, and innovatively sets up the central measurement mechanism and the edge measurement mechanism, which is suitable for spectral measurement of large-size filters of different thicknesses. It optimizes the detection of the spectral splitting effect at the center position and the spectral splitting effect at the edge position, solves the pain point of traditional production process that large-size filters need to be cut into fixed small sizes before measurement, simplifies the measurement steps, and realizes the measurement operation without damaging the size of the filter, reducing waste generated in the measurement process and providing a guarantee for product quality; wherein, under the action of the first guide limiting structure, the first movable back plate and the first fixed side plate, and under the action of the second guide limiting structure, the second movable back plate and the second fixed side plate form a first filter fixing cavity and a second filter fixing cavity suitable for fixing large-size filters of different thicknesses, which has a wide range of applications, and the first filter fixing cavity and the second filter fixing cavity are precisely aligned with the light transmission hole, optimizing the detection sufficiency of the test range of the filter. Attached Figure Description

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0023] Figure 2 This is a three-dimensional schematic diagram of the light-blocking plate in this utility model;

[0024] Figure 3 This is a three-dimensional schematic diagram of the central measuring mechanism in this utility model;

[0025] Figure 4 This is a three-dimensional schematic diagram of the edge measuring mechanism in this utility model. Detailed Implementation

[0026] The present invention will be further described below through specific embodiments, so as to make the technical solution of the present invention easier to understand and master, rather than to limit the present invention.

[0027] Example: See Figures 1 to 4 This embodiment provides a large-size filter spectral measurement fixing device, which includes a light-blocking plate 1, a central measuring mechanism 2, and an edge measuring mechanism 3;

[0028] A light-transmitting hole 11 is provided through the light-blocking plate 1 for transmitting detection light. The light-transmitting hole 11 is provided corresponding to the light-emitting end of the spectrometer to ensure that the detection light emitted by the spectrometer passes through the light-transmitting hole 11.

[0029] The central measuring mechanism 2 includes a first mounting base plate 21, a first fixed side plate 22, and a first movable backing plate 23. The first fixed side plate 22 is vertically disposed on the first mounting base plate 21, and the first movable backing plate 23 is movably disposed on the first mounting base plate 21 through a first guide limiting structure so that it is close to the first fixed side plate 22 to form a first filter fixing cavity. The first filter fixing cavity is disposed corresponding to the light transmission hole 11 to achieve the beam splitting effect of detecting the center position of the filter under test.

[0030] The edge measurement mechanism 3 includes a limiting slide 31, a second mounting base 32, a second fixed side plate 33, and a second movable backing plate 34. The second fixed side plate 33 is vertically disposed on the second mounting base 32. The second movable backing plate 34 is movably disposed on the second mounting base 32 through a second guide limiting structure, so that it approaches the second fixed side plate 33 to form a second filter fixing cavity. The second filter fixing cavity is disposed corresponding to the light transmission hole 11. The second mounting base 32 is movably disposed on the limiting slide 31, driving the second filter fixing cavity to move laterally relative to the light transmission hole 11, so as to realize the beam splitting effect of the filter under test at different edge positions at the same height.

[0031] Specifically, the innovative design of the central measuring mechanism 2 and the edge measuring mechanism 3 is suitable for spectral measurement of large-sized filters of different thicknesses. It optimizes the detection of the spectral splitting effect at the center and edge positions, solving the pain point of traditional production processes that require cutting large-sized filters into fixed small sizes before measurement. This simplifies the measurement steps, allowing measurement operations to be completed without damaging the size of the filter, reducing waste during the measurement process, and ensuring product quality. Under the action of the first guide limiting structure, a first filter fixing cavity and a second filter fixing cavity are formed between the first movable backing plate 23 and the first fixed side plate 22, and between the second movable backing plate 34 and the second fixed side plate 33 under the action of the second guide limiting structure. This is suitable for fixing large-sized filters of different thicknesses, with a wide range of applications. Furthermore, the first filter fixing cavity and the second filter fixing cavity are precisely aligned with the light-transmitting hole 11, optimizing the sufficiency of the detection range of the filter.

[0032] Preferably, a plurality of first guide grooves are provided on the first mounting base plate 21, and a first guide post 24 extends from the first guide groove;

[0033] The first movable backing plate 23 is provided with a first guide protrusion corresponding to the first guide groove, and a first guide hole is provided through the first guide protrusion for the first guide post 24 to pass through; specifically, the first movable backing plate 23 moves closer to or away from the first fixed side plate 22, that is, under the guidance of the first guide post 24, the first guide protrusion slides back and forth along the first guide groove to fix or loosen the filter to be tested.

[0034] Furthermore, the first guide post 24 is perpendicular to the first fixed side plate 22, and the first movable backing plate 23 is parallel to the first fixed side plate 22, so as to improve the fixing reliability of the filter under test.

[0035] Preferably, a first detection through hole is provided through the first fixed side plate 22 to expose the center position of the filter to be tested, and the first detection through hole is provided corresponding to the light transmission hole 11.

[0036] Preferably, a plurality of second guide grooves are provided on the second mounting base plate 32, and second guide posts 35 are extended in the second guide grooves;

[0037] The second movable backing plate 34 is provided with a second guide protrusion corresponding to the second guide groove, and a second guide hole is provided through the second guide protrusion for the second guide post 35 to pass through; specifically, the second movable backing plate 34 moves closer to or away from the second fixed side plate 33, that is, under the guidance of the second guide post 35, the second guide protrusion slides back and forth along the second guide groove to fix or loosen the filter to be tested.

[0038] Furthermore, the second guide post 35 is perpendicular to the second fixed side plate 33, and the second movable backing plate 34 is parallel to the second fixed side plate 33, so as to improve the fixing reliability of the filter under test.

[0039] Furthermore, the driving direction of the limiting slide 31 is perpendicular to the guiding direction of the second guide post 35.

[0040] Preferably, a second detection through hole is provided through the second fixed side plate 33 to expose the edge position of the filter to be tested, and the second detection through hole is provided corresponding to the light transmission hole 11.

[0041] When testing the spectral splitting effect at the center position of the filter under test, the following steps are included:

[0042] Step A-1: ​​Move the first movable back plate 23 away from the first fixed side plate 22. At this time, under the guidance of the first guide post 24, the first guide protrusion slides along the first guide groove to separate the two.

[0043] Step A-2: Place the filter to be tested between the first movable backing plate 23 and the first fixed side plate 22, and then move the first movable backing plate 23 closer to the first fixed side plate 22. At this time, under the guidance of the first guide post 24, the first guide protrusion slides along the first guide groove so that the filter to be tested is stably placed in the first filter fixing cavity.

[0044] Step A-3: The spectrometer emits a detection light beam, which passes through the light-transmitting aperture 11 and reaches the center of the filter under test, so as to achieve the spectral dispersion effect of detecting the center of the filter under test.

[0045] Step A-4: Move the first movable backing plate 23 away from the first fixed side plate 22 and remove the tested filter.

[0046] When testing the spectral splitting effect at the edge of the filter under test, the following steps are included:

[0047] Step B-1: Move the second movable backing plate 34 away from the second fixed side plate 33. At this time, under the guidance of the second guide post 35, the second guide protrusion slides along the second guide groove to separate the two.

[0048] Step B-2: Place the filter to be tested between the second movable backing plate 34 and the second fixed side plate 33, and then move the second movable backing plate 34 closer to the second fixed side plate 33. At this time, under the guidance of the second guide post 35, the second guide protrusion slides along the second guide groove so that the filter to be tested is stably placed in the second filter fixing cavity.

[0049] Step B-3: The spectrometer emits a detection light beam, which passes through the light-transmitting hole 11 and reaches the edge position of the filter under test. The second filter fixing cavity is driven to move laterally relative to the light-transmitting hole 11 by the limiting slide block 31, so as to realize the spectral splitting effect of the filter under test at different edge positions at the same height.

[0050] Step B-4: Move the second movable backing plate 34 away from the second fixed side plate 33 and remove the tested filter.

[0051] This utility model features a reasonable and ingenious design, innovatively incorporating a central measuring mechanism and an edge measuring mechanism. It is suitable for spectral measurement of large-sized filters of varying thicknesses, optimizing the detection of spectral dispersion at the center and edge positions. This addresses the pain point of traditional production processes requiring large filters to be cut into fixed smaller sizes before measurement, simplifying the measurement process and enabling measurement without altering the filter size. This reduces waste during measurement and ensures product quality. Specifically, under the action of the first guide limiting structure, a first movable backing plate and a first fixed side plate are formed between them, and under the action of the second guide limiting structure, the second movable backing plate and the second fixed side plate are formed between them. This provides a wide range of applications, and the first and second filter fixing cavities are precisely aligned with the light-transmitting holes, optimizing the sufficiency of the detection range of the filter.

[0052] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Any person skilled in the art can make many possible variations and modifications to the technical solution of this utility model using the disclosed technical means and content, or modify it into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of this utility model. Therefore, all equivalent changes made based on the shape, structure, and principle of this utility model without departing from its technical solution should be covered within the protection scope of this utility model.

Claims

1. A large-size filter spectral measurement fixing device, characterized in that, It includes a light-blocking plate, a central measuring mechanism, and an edge measuring mechanism; A light-transmitting hole for transmitting detection light is provided through the light-blocking plate; The central measuring mechanism includes a first mounting base plate, a first fixed side plate, and a first movable backing plate. The first fixed side plate is vertically disposed on the first mounting base plate, and the first movable backing plate is movably disposed on the first mounting base plate through a first guide limiting structure so that it is close to the first fixed side plate to form a first filter fixing cavity. The first filter fixing cavity is disposed corresponding to the light transmission hole to achieve the spectral splitting effect of detecting the center position of the filter under test. The edge measurement mechanism includes a limiting slide, a second mounting base plate, a second fixed side plate, and a second movable backing plate. The second fixed side plate is vertically disposed on the second mounting base plate. The second movable backing plate is movably disposed on the second mounting base plate through a second guide limiting structure, so that it approaches the second fixed side plate to form a second filter fixing cavity. The second filter fixing cavity is disposed corresponding to the light transmission hole. The second mounting base plate is movably disposed on the limiting slide, driving the second filter fixing cavity to move laterally relative to the light transmission hole, so as to realize the detection of the beam splitting effect of the filter under test at different edge positions at the same height.

2. The large-size filter spectral measurement fixing device according to claim 1, characterized in that, The first mounting base plate is provided with a plurality of first guide grooves, and a first guide post extends from the first guide groove; The first movable backing plate is provided with a first guide protrusion corresponding to the first guide groove, and a first guide hole is provided through the first guide protrusion for the first guide post to pass through.

3. The large-size filter spectral measurement fixing device according to claim 2, characterized in that, The first guide post is perpendicular to the first fixed side plate.

4. The large-size filter spectral measurement fixing device according to claim 3, characterized in that, The first movable backrest is parallel to the first fixed side plate.

5. The large-size filter spectral measurement fixing device according to claim 4, characterized in that, A first detection through hole is provided through the first fixed side plate to expose the center position of the filter to be tested, and the first detection through hole is provided corresponding to the light transmission hole.

6. The large-size filter spectral measurement fixing device according to claim 1, characterized in that, The second mounting base plate is provided with several sets of second guide grooves, and second guide posts are extended from the second guide grooves; The second movable backing plate is provided with a second guide protrusion corresponding to the second guide groove, and a second guide hole is provided through the second guide protrusion for the second guide post to pass through.

7. The large-size filter spectral measurement fixing device according to claim 6, characterized in that, The second guide post is perpendicular to the second fixed side plate.

8. The large-size filter spectral measurement fixing device according to claim 7, characterized in that, The second movable backrest is parallel to the second fixed side plate.

9. The large-size filter spectral measurement fixing device according to claim 8, characterized in that, The driving direction of the limiting slide is perpendicular to the guiding direction of the second guide post.

10. The large-size filter spectral measurement fixing device according to claim 9, characterized in that, A second detection through hole is provided through the second fixed side plate to expose the edge of the filter to be tested, and the second detection through hole is provided corresponding to the light transmission hole.

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