Optical filter spectrum calibration device

Abstract

The utility model relates to the technical field of optical filter calibration, and particularly discloses an optical filter spectrum calibration device which comprises a working table, the upper end face of the working table is fixedly connected with a sliding rail, the center of the upper end face of the working table is fixedly connected with a light-transmitting plate located right in front of the sliding rail, and a light-transmitting hole is formed in the outer wall of the light-transmitting plate in a penetrating mode. The positioning box is of a cuboid hollow structure, an inserting opening is formed in the upper end face of the positioning box, a sliding base is fixedly connected to the lower end face of the positioning box, the positioning box is slidably connected to the inner side of the sliding rail through the sliding base, and a plurality of evenly-distributed round holes are formed in the front end face of the positioning box. A plurality of groups of optical filters are respectively placed in the optical filter positioning grooves of the slide glass plate, are buffered and protected by the rubber pads of the convex rings, generate negative pressure by the sucking pump, and are adsorbed through the small holes, so that the optical filters can be quickly fixed in batches, mechanical pressing is not needed, the optical filters are fixed and replaced without repeated disassembly and assembly, the operation steps are reduced, and the working efficiency is improved. And the calibration efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of filter calibration, and specifically discloses a filter spectrum calibration device. BACKGROUND

[0002] A filter is an optical element that selectively transmits or blocks light of a specific wavelength range. It filters out or attenuates certain wavelength components in the light beam by absorption, reflection, or transmission, allowing only light of a specific wavelength range to pass through. Filters are widely used in optical instruments, photography, lasers, microscopes, spectrometers, and other fields to adjust the color, brightness, polarization state, and other characteristics of light. Since the position and angle of the filter have a great influence on its performance, accurate calibration of the filter is required when manufacturing and using optical instruments.

[0003] Chinese patent number CN221706900U discloses a filter calibration positioning device, which includes an upper cover body and a positioning box. The positioning box is internally provided with a positioning wheel, the upper side of the positioning box is assembled with the upper cover body, a light transmission hole is formed through the lower part of the interior of the positioning box, an adjusting mechanism for adjusting the position of the positioning box is arranged on the lower side of the positioning box, a base is arranged on the lower side of the adjusting mechanism, and a transmission assembly is arranged on the lower side of the right side of the positioning box. The positioning groove hole can simultaneously clamp and fix multiple groups of filters, the positioning of multiple groups of filters is realized, the positioning wheel can be adjusted by rotating, the positioned filters can be rotated to the light transmission hole position, the filters can be quickly calibrated, the operation is simple and convenient, and the calibration efficiency of the filters is improved.

[0004] However, the above-mentioned device needs to be taken out from the positioning box, then the limiting pressure ring is unscrewed, the filter to be calibrated is placed in the positioning groove hole, then the limiting pressure ring is tightened to limit and fix the filter, and the above-mentioned operation steps are repeated to install multiple groups of filters one by one into the positioning groove holes in the positioning wheel. The fixing of each group of filters needs to repeatedly disassemble and assemble the limiting pressure ring, the operation steps are complicated, and the working efficiency is reduced. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of filter spectrum calibration device, by being placed in filter positioning groove of carrier sheet plate by multiple groups of filters respectively, and by negative pressure generated by air suction pump, filter is adsorbed by small hole, the fixing of filter is realized quickly in batch, without mechanical pressure, filter fixing and replacement do not need repeatedly disassembling and assembling, operation steps are reduced, and calibration efficiency is effectively improved.

[0006] The utility model is implemented as follows: a kind of filter spectrum calibration device, comprising:

[0007] The upper end surface of the workbench is fixedly connected with sliding rails, the center of the upper end surface of the workbench is fixedly connected with a light transmission plate located in front of the sliding rails, and a light transmission hole is formed in the outer wall of the light transmission plate.

[0008] The positioning box is a cuboid hollow structure, and a socket is formed in the upper end surface of the positioning box.

[0009] The slide plate is slidably connected to the inner side of the sliding rail through the slide base.

[0010] As one kind of filter spectrum calibration device of the utility model, the lower portion of the workbench is provided with a bottom plate, a motor push rod and two telescopic rods are installed between the bottom plate and the workbench, and the motor push rod is located between the two telescopic rods.

[0011] As one kind of filter spectrum calibration device of the utility model, the number and the center distance of the plurality of round holes and the plurality of filter positioning grooves are equal, and the slide plate and the socket are gap matched.

[0012] As one kind of filter spectrum calibration device of the utility model, the center of the light transmission hole is located on the horizontal line of the plurality of round holes.

[0013] As one kind of filter spectrum calibration device of the utility model, the front end surface of the slide base is provided with a plurality of uniformly distributed locking holes, and the front end surface of the sliding rail is fixedly connected with a fixing bolt on one side.

[0014] As one kind of filter spectrum calibration device of the utility model, the upper end surface of the slide plate and the right side wall of the positioning box are respectively fixedly connected with a first handle and a second handle.

[0015] As one kind of filter spectrum calibration device of the utility model, the front end surface of the convex ring is fixedly connected with a rubber pad.

[0016] The utility model has the advantages of:

[0017] The utility model discloses a plurality of filter is placed in the filter positioning groove of the slide plate board respectively, and the rubber pad buffer protection of convex ring is generated negative pressure through the air pump, and the filter is adsorbed through the small hole, realizes the fixed of quick batch to filter, does not need mechanical pressure, and filter fixing and replacement do not need repeatedly dismount, and operation step reduces, and effectively improves the calibration efficiency.

[0018] After the slide plate board is inserted into the socket of the positioning box, the filter positioning groove is aligned with the round hole at the front end of the positioning box, ensuring that the filter is consistent with the light path of the light transmission hole.

[0019] The positioning box slides on the slide rail through the sliding seat, adjusts the position to align the target filter with the light transmission hole, and is locked through the fixing bolt to ensure the calibration stability. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0021] Figure 1 It is the overall structural diagram of the utility model;

[0022] Figure 2 It is the overall exploded view of the utility model;

[0023] Figure 3 It is the three-dimensional structure diagram of the positioning box of the utility model;

[0024] Figure 4 It is the three-dimensional structure diagram of the slide plate board of the utility model.

[0025] In the drawings, 1 is a workbench, 2 is a slide rail, 3 is a light transmission plate, 4 is a light transmission hole, 5 is a positioning box, 6 is a sliding seat, 7 is a socket, 8 is a round hole, 9 is a slide plate board, 10 is a filter positioning groove, 11 is a convex ring, 12 is a small hole, 13 is an air pump, 14 is a bottom plate, 15 is an electric push rod, 16 is a telescopic rod, 17 is a locking hole, 18 is a fixing bolt, 19 is a first handle, and 20 is a second handle. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with the drawings and specific examples, to help understanding the content of the utility model. The method used in the utility model is conventional if no special provision, and the raw materials and devices used are conventional if no special provision, and are conventional market products.

[0027] Please refer to Figures 1-4 A filter spectrum calibration device, comprising:

[0028] The upper end surface of the workbench 1 is fixedly connected with a sliding rail 2, and the center of the upper end surface of the workbench 1 is fixedly connected with a light transmission plate 3 located in front of the sliding rail 2; and a light transmission hole 4 is formed in the outer wall of the light transmission plate 3;

[0029] The positioning box 5 is a hollow rectangular structure, and a socket 7 is formed in the upper end surface of the positioning box 5; the lower end surface of the positioning box 5 is fixedly connected with a sliding seat 6, and the positioning box 5 is slidably connected to the inner side of the sliding rail 2 through the sliding seat 6; and a plurality of circular holes 8 are formed in the front end surface of the positioning box 5 and are uniformly distributed.

[0030] The slide plate 9 is a hollow rectangular structure, and the slide plate 9 is movably connected to the inside of the positioning box 5; a plurality of filter positioning grooves 10 are formed in the front end surface of the slide plate 9 and are uniformly distributed; a plurality of convex rings 11 are fixedly connected to the inner side of the plurality of filter positioning grooves 10; a plurality of small holes 12 are formed in the front end surface of the plurality of convex rings 11 and are in communication with the inside of the slide plate 9; and an air suction pump 13 is mounted on the top of the slide plate 9 and is in communication with the inside of the slide plate 9 through a pipeline.

[0031] In the embodiment, a plurality of groups of filters are respectively placed in the filter positioning grooves 10 of the slide plate 9, are protected by the rubber pads of the convex rings 11, and are adsorbed through the small holes 12 by the negative pressure generated by the air suction pump 13, so that the filters are quickly and batch-fixed without mechanical pressing, and the filter fixing and replacement do not need to be repeatedly disassembled, the operation steps are reduced, and the calibration efficiency is effectively improved.

[0032] After the slide plate 9 is inserted into the socket 7 of the positioning box 5, the filter positioning grooves 10 are aligned with the circular holes 8 at the front end of the positioning box, so that the filters are consistent with the light path of the light transmission hole 4;

[0033] The positioning box 5 is slid on the sliding rail 2 through the sliding seat 6, the position is adjusted so that the target filter is aligned with the light transmission hole 4, and the calibration stability is ensured by locking through the fixing bolt 18.

[0034] The electric push rod 15 adjusts the height of the workbench 1, and the telescopic rods 16 keep balance, so as to adapt to the light path requirements of different calibration scenes.

[0035] As a technical optimization scheme of the utility model, the bottom plate 14 is arranged below the workbench 1, the electric push rod 15 and the two telescopic rods 16 are mounted between the bottom plate 14 and the workbench 1, and the electric push rod 15 is located between the two telescopic rods 16.

[0036] In the embodiment, the electric push rod 15 adjusts the height of the workbench 1, the telescopic rods 16 keep balance, so as to adapt to the light path requirements of different calibration scenes, and the two telescopic rods 16 play a guiding role, so that the workbench 1 is more stable during lifting.

[0037] As a technical optimization scheme of the utility model, the number and the center distance of the plurality of round holes 8 and the plurality of filter positioning grooves 10 are equal, and the slide plate 9 and the socket 7 are gap fitted.

[0038] In the embodiment: the number and the center distance of the plurality of round holes 8 and the plurality of filter positioning grooves 10 are equal, ensure that the filter and the light transmission hole 4 light path are consistent, the slide plate 9 and the socket 7 are gap fitted, make the slide plate 9 keep stable after being inserted into the positioning box 5.

[0039] As a technical optimization scheme of the utility model, the center of the light transmission hole 4 is located on the horizontal line of the plurality of round holes 8.

[0040] In the embodiment: the center of the light transmission hole 4 is located on the horizontal line of the plurality of round holes 8, ensure that the filter and the light transmission hole 4 light path are consistent.

[0041] As a technical optimization scheme of the utility model, the front end surface of the sliding seat 6 is provided with a plurality of uniformly distributed locking holes 17, and the front end surface of the sliding rail 2 is penetrated by a fixed bolt 18 connected by threads.

[0042] In the embodiment: the positioning box 5 is slid on the sliding rail 2 through the sliding seat 6, the position is adjusted to make the target filter align with the light transmission hole 4, and the fixed bolt 18 and the locking hole 17 are cooperated and locked, so as to guarantee the calibration stability.

[0043] As a technical optimization scheme of the utility model, the upper end surface of the slide plate 9 and the right side wall of the positioning box 5 are respectively fixedly connected with a first handle 19 and a second handle 20.

[0044] In the embodiment: the slide plate 9 is conveniently extracted and replaced through the first handle 19 and the second handle 20, a plurality of filters can be preinstalled in different slide plates, and the efficiency is greatly improved through the sliding rail switching.

[0045] As a technical optimization scheme of the utility model, the front end surface of the convex ring 11 is fixedly connected with a rubber pad.

[0046] In the embodiment: the rubber pad of the convex ring 11 is designed to avoid physical contact with the surface of the filter, prevent scratching or pollution, and guarantee the optical performance.

[0047] The working principle and use process of the utility model: when using, the multiple groups of filters are respectively placed in the filter positioning groove 10 of the slide plate 9, the rubber pad buffer protection of the convex ring 11 is passed through, and the negative pressure is generated by the air suction pump 13, the filter is adsorbed through the small hole 12, the fixing of the filter is realized quickly in batches, after the slide plate 9 is inserted into the socket 7 of the positioning box 5, the filter positioning groove 10 is aligned with the round hole 8 at the front end of the positioning box, the light path of the filter is ensured to be consistent with the light transmission hole 4, the positioning box 5 is slid on the slide rail 2 through the sliding seat 6, the position is adjusted to make the target filter align with the light transmission hole 4, is locked through the fixed bolt 18, the calibration stability is guaranteed, then the filter can be calibrated and checked through the external calibration device, the height of the workbench 1 is adjusted by the electric push rod 15, the balance is kept in combination with the telescopic rod 16, and the light path demand of different calibration scenes is adapted.

[0048] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0049] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the scope of the utility model, so that the replacement of equivalent components or equivalent changes and modifications made according to the utility model patent protection range should still belong to the scope covered by the claims of the utility model.

Claims

1. A filter spectral calibration apparatus, characterized by: Include: Workbench (1), the upper end surface of the workbench (1) is fixedly connected with a slide rail (2), the upper end surface of the workbench (1) is fixedly connected with a light transmission plate (3) located in the front of the slide rail (2), and a light transmission hole (4) is formed in the outer wall of the light transmission plate (3); Positioning box (5), the positioning box (5) is a hollow rectangular structure, and a socket (7) is formed in the upper end surface, the lower end surface of the positioning box (5) is fixedly connected with a sliding seat (6), the positioning box (5) is slidably connected to the inner side of the slide rail (2) through the sliding seat (6), and a plurality of uniformly distributed circular holes (8) are formed in the front end surface of the positioning box (5); Slide plate (9), the slide plate (9) is a hollow rectangular structure, the slide plate (9) is movably connected to the inside of the positioning box (5), a plurality of filter positioning grooves (10) are formed in the front end surface of the slide plate (9), a plurality of convex rings (11) are fixedly connected to the inner side of the plurality of filter positioning grooves (10), a plurality of small holes (12) are formed in the front end surface of the plurality of convex rings (11) and are in communication with the inside of the slide plate (9), and an air pump (13) is installed on the top of the slide plate (9), the air pump (13) is in communication with the inside of the slide plate (9) through a pipeline. The lower side of the workbench (1) is provided with a bottom plate (14), and an electric push rod (15) and two telescopic rods (16) are installed between the bottom plate (14) and the workbench (1), and the electric push rod (15) is located between the two telescopic rods (16). The number and the center distance of the plurality of circular holes (8) and the plurality of filter positioning grooves (10) are equal, and the slide plate (9) and the socket (7) are clearance fitted.

2. The filter spectral calibration apparatus of claim 1, wherein: The center of the light transmission hole (4) is located on the horizontal line where the plurality of circular holes (8) are located.

3. The filter spectral calibration apparatus of claim 1, wherein: A plurality of uniformly distributed locking holes (17) are formed in the front end surface of the sliding seat (6), and a fixed bolt (18) is threadedly connected to one side of the front end surface of the slide rail (2).

4. The filter spectral calibration apparatus of claim 1, wherein: First handle (19) and second handle (20) are fixedly connected to the upper end surface of the slide plate (9) and the right side wall of the positioning box (5) respectively.

5. The filter spectral calibration apparatus of claim 1, wherein: The front end surface of the convex ring (11) is fixedly connected with a rubber pad.

6. The filter spectral calibration apparatus of claim 1, wherein: ​ 7. The filter spectral calibration apparatus of claim 1, wherein: ​

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