Detection equipment for light transmission uniformity of thin film
By using a bidirectional threaded rod and a motor-driven testing device, the problems of sample size limitations and large errors in existing thin film transmittance testing have been solved, enabling efficient and accurate detection of transmittance uniformity for large-size thin films.
Patent Information
- Application Number
- CN202423276339.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing methods for detecting the transmittance of thin films require samples to be made into small sizes, resulting in a limited number of points to be selected, which leads to large errors and makes it impossible to obtain comprehensive transmittance uniformity data.
The device employs a bidirectional threaded rod and nut pair, and uses a motor to drive the lead screw and belt transmission to achieve stable movement of the detector and spectrometer in the width direction of the thin film. Combined with an electric slide rail and sliding block, it enables rapid detection of thin films of different sizes, and the position of the thin film is fixed by a clamp.
It enables non-destructive testing of large-size films, and can comprehensively acquire data on light transmittance uniformity, ensuring the accuracy and stability of the test.
Smart Images
Figure CN223727689U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to thin film light transmission technical field, concretely is a kind of detection equipment for thin film light transmission uniformity. BACKGROUND
[0002] Thin film is a kind of thin and soft transparent sheet. It is made of plastic, adhesive, rubber or other materials. The scientific explanation of thin film is: 2-dimensional material formed by atom, molecule or ion deposition on the surface of substrate. Examples: optical thin film, composite thin film, superconducting thin film, polyester film, nylon film, plastic film, etc. Thin film is widely used in electronic appliances, machinery, printing and other industries.
[0003] In modern industry and life, light-transmitting film can be seen everywhere. In the field of thin-film solar cells, display screens and other fields, the light transmission uniformity of thin film cannot be ignored. In addition, for thin film preparation equipment, such as magnetron sputtering, physical vapor deposition, chemical vapor deposition, evaporation, atomic layer deposition plasma sputtering, blade coating, slot coating and inkjet printing, it is necessary to regularly detect the light transmission uniformity of the transparent film layer prepared by the equipment.
[0004] At present, the main method for detecting the light transmission of these thin films is to select a certain number of points on the thin film for testing. This method often needs to make the sample into smaller size to facilitate the detection of spectrometer. Moreover, the number of selected points cannot be too much, and the error is large.
[0005] In view of the above problems, a detection equipment for thin film light transmission uniformity is proposed. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of detection equipment for thin film light transmission uniformity, solve the problem that the main method for detecting the light transmission of these thin films in the background art is to select a certain number of points on the thin film for testing. This method often needs to make the sample into smaller size to facilitate the detection of spectrometer. Moreover, the number of selected points cannot be too much, and the error is large.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of detection equipment for the uniformity of film light transmission, including connecting frame, first connecting plate is slidably connected to the left top of the connecting frame, second connecting plate is slidably connected to the left bottom of the connecting frame, electric slide rail is fixedly connected to the left outer wall of the connecting frame, sliding block is slidably connected to the outer wall of the electric slide rail, connecting frame is slidably connected to the outer wall of the sliding block, and connecting frame is fixedly connected with first connecting plate and second connecting plate respectively, bolt is screw-connected in the inside of the both ends of the connecting frame, one end of the bolt is rotatably connected with arch-shaped frame, bidirectional screw rod is rotatably connected in the inside of the arch-shaped frame, first nut pair is rotatably connected to the both ends of the bidirectional screw rod, the one end of the first nut pair is fixedly connected with clamping plate, limiting rod is slidably connected to the inside of the first nut pair, and limiting rod is fixedly connected with arch-shaped frame, limiting disc is fixedly connected to the bottom of the bidirectional screw rod, and the limiting disc is screw-connected between arch-shaped frame, driving assembly is arranged in the inside of the second connecting plate.
[0008] By adopting the above technical scheme, the first nut pair and the clamping plate are moved by rotating the bidirectional screw rod, the film is clamped by the clamping plate, the detection is facilitated, and the size of the film is controlled by rotating the bolt.
[0009] As a further description of the above technical scheme: the driving assembly includes motor, the first screw rod is fixedly connected to the output end of the motor, and the driving pulley is fixedly connected to the left outer ring of the first screw rod.
[0010] By adopting the above technical scheme, the driving pulley is rotated by the first screw rod.
[0011] As a further description of the above technical scheme: the second nut pair is screw-connected to the right outer ring of the first screw rod, and the moving seat is fixedly connected to the right side of the second nut pair.
[0012] By adopting the above technical scheme, the second nut pair and the moving seat are moved by rotating the first screw rod.
[0013] As a further description of the above technical scheme: the guiding column is slidably connected to the inside of the moving seat, and the guiding column is fixedly connected with the second connecting plate.
[0014] By adopting the above technical scheme, the moving seat is guided by the guiding column.
[0015] As a further description of the above technical scheme: the second screw rod is rotatably connected to the right inside of the first connecting plate, and the driven pulley is fixedly connected to the left outer ring of the second screw rod.
[0016] Through adopting the technical scheme, the driven pulley is driven to rotate through the driving of the primary pulley.
[0017] As further description of the above technical scheme: the primary pulley and the driven pulley are provided with a belt.
[0018] Through adopting the technical scheme, the driven pulley is driven to rotate through the driving of the primary pulley and the belt.
[0019] As further description of the above technical scheme: the moving seat is fixedly connected with a connecting rod on the right side.
[0020] Through adopting the technical scheme, the connecting rod is driven to move through the movement of the moving seat.
[0021] As further description of the above technical scheme: the connecting rod is fixedly connected with a detector on the right side of the bottom and a light splitter on the right side of the top.
[0022] Through adopting the technical scheme, the light splitter emits light, and the detector detects.
[0023] Compared with the prior art, the utility model has the advantages of the following:
[0024] 1. The detection equipment for the light transmission uniformity of the film is characterized in that: the detector and the light splitter are driven to stably move in the width direction of the film through the cooperation of the belt drive and the screw and nut pair after the motor is started, and the detector can quickly and efficiently detect different size light transmission film samples, and even if the sample size is very large, the no-damage test can be realized, and finally the data of the light transmission uniformity of the film can be comprehensively obtained, so that the key performance of the film can be effectively evaluated.
[0025] 2. The detection equipment for the light transmission uniformity of the film is characterized in that: the clamping plate can clamp and fix the film through the adjustment of the distance by the turn bolt and the limitation of the movement direction of the first screw and nut pair by the limiting rod, so that the position of the film is stable during the subsequent detection and other operations, and displacement and other conditions do not occur, thereby providing a good foundation condition for accurate detection. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a whole structure schematic view of the utility model;
[0027] Figure 2 It is an explosion structure schematic view of the arch-shaped frame of the utility model;
[0028] Figure 3The utility model discloses a motor's structure schematic view.
[0029] In the drawing: 1, connecting frame, 2, first connecting plate, 3, bolt, 4, arch frame, 5, two-way threaded rod, 6, limiting rod, 7, first nut pair, 8, clamping plate, 9, limiting disc, 10, screw, 11, second connecting plate, 12, motor, 13, driving pulley, 14, belt, 15, guide column, 16, first screw rod, 17, second nut pair, 18, moving seat, 19, connecting rod, 20, detector, 21, second screw rod, 22, driven pulley, 23, optical splitter, 24, connecting frame, 25, electric sliding rail, 26, sliding block. DETAILED DESCRIPTION
[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0031] For further understanding the contents of the utility model, the utility model is described in detail with reference to the drawings.
[0032] With reference to Figure 1 The utility model discloses a kind of detection equipment for the uniformity of film light transmission, including connecting frame 1, first connecting plate 2 is slidably connected in the left top of connecting frame 1, second connecting plate 11 is slidably connected in the left bottom of connecting frame 1, electric sliding rail 25 is fixedly connected to the left outer wall of connecting frame 1, sliding block 26 is slidably connected to the outer wall of electric sliding rail 25, connecting frame 24 is slidably connected to the outer wall of sliding block 26, and connecting frame 24 is fixedly connected with first connecting plate 2 and second connecting plate 11 respectively, first connecting plate 2 and second connecting plate 11 are moved by driving connecting frame 24 with electric sliding rail 25 and sliding block 26, the position of arch frame 4 relative to connecting frame 1 can be adjusted by rotating bolt 3, so as to adapt to the film detection demand of different sizes.
[0033] With reference to Figure 2, the arched frame 4 is rotatably connected with a bidirectional threaded rod 5, the upper and lower ends of the bidirectional threaded rod 5 are rotatably connected with a first nut pair 7, one end of the first nut pair 7 is fixedly connected with a clamping plate 8, the clamping plate 8 is used for clamping the film, the first nut pair 7 is penetrated by a limiting rod 6 and is slidably connected, and the limiting rod 6 is fixedly connected with the arched frame 4, so that the first nut pair 7 can only slide linearly along the limiting rod 6 and cannot rotate with the rotation of the bidirectional threaded rod 5, the bottom of the bidirectional threaded rod 5 is fixedly connected with a limiting disc 9, the limiting disc 9 is threadedly connected with the arched frame 4 through a screw 10, the axial movement of the bidirectional threaded rod 5 is limited, and it is ensured that the first nut pair 7 can be stably driven to move when the bidirectional threaded rod 5 rotates.
[0034] With reference to Figure 3 , the second connecting plate 11 is provided with a driving assembly inside, the driving assembly comprises a motor 12, the output end of the motor 12 is fixedly connected with a first screw rod 16, the left outer ring of the first screw rod 16 is fixedly connected with a driving pulley 13, the right outer ring of the first screw rod 16 is threadedly connected with a second nut pair 17, the right side of the second nut pair 17 is fixedly connected with a moving seat 18, the moving seat 18 is penetrated by a guide column 15 and is slidably connected, and the guide column 15 is fixedly connected with the second connecting plate 11, the guide column 15 provides a guiding action for the movement of the moving seat 18 and guarantees the accuracy of the moving direction, the right side of the first connecting plate 2 is rotatably connected with a second screw rod 21, the left outer ring of the second screw rod 21 is fixedly connected with a driven pulley 22, the driving pulley 13 and the driven pulley 22 are provided with a belt 14 therebetween, the right side of the moving seat 18 is fixedly connected with a connecting rod 19, when the motor 12 drives the first screw rod 16 to rotate, the driving pulley 13 drives the driven pulley 22 to rotate through the belt 14, so that the second screw rod 21 rotates synchronously with the first screw rod 16. The right side of the moving seat 18 is fixedly connected with a connecting rod 19, the right side of the bottom connecting rod 19 is fixedly connected with a detector 20 for detecting the light transmittance of the film, the right side of the top connecting rod 19 is fixedly connected with a light splitter 23, the light splitter 23 can perform light splitting treatment on light to assist the detector 20 to detect more accurately, the right side of the bottom connecting rod 19 is fixedly connected with a detector 20, and the right side of the top connecting rod 19 is fixedly connected with a light splitter 23, with the movement of the moving seat 18, the bottom connecting rod 19 drives the detector 20 to move in the width direction of the film, the detector 20 detects the light transmittance of the film at different positions, at the same time, the top connecting rod 19 drives the light splitter 23 to move synchronously, the light splitter 23 performs light splitting treatment on light, so that the detector 20 can more accurately detect the light transmittance uniformity of the film. In the whole detection process, through the point-by-point detection of the detector 20 in the width direction of the film, the data of the light transmittance uniformity of the film can be comprehensively obtained, so as to judge whether the film meets the requirement of the light transmittance uniformity.
[0035] Working principle: the film is placed in the arched frame 4, first rotate the bolt 3 to adjust the distance, rotate the two-way threaded rod 5, because the two-way threaded rod 5 is screwed with the first nut pair 7, and the first nut pair 7 is limited by the limiting rod 6 and can only move along the limiting rod 6 direction, when the two-way threaded rod 5 rotates, it will drive the two first nut pairs 7 to move oppositely or away from each other, so that the clamping plate 8 clamps and fixes the film, start the motor 12, the motor 12 drives the first screw rod 16 to rotate, when the first screw rod 16 rotates, the driving pulley 13 on the left side of the outer ring will drive the driven pulley 22 on the left side of the outer ring of the second screw rod 21 through the belt 14, so that the second screw rod 21 rotates synchronously with the first screw rod 16, the rotation of the first screw rod 16 will make the second nut pair 17 connected with it move along the first screw rod 16, the rotation of the second screw rod 21 will make the other second nut pair 17 connected with it move synchronously, the two second nut pairs 17 drive the moving seat 18 to move stably under the guidance of the guide column 15, move to the right, the connecting rod 19 drives the detector 20 to move, the connecting rod 19 at the top drives the light splitter 23 to move, the connecting frame 24 is driven to move through the electric sliding rail 25 and the sliding block 26, drives the first connecting plate 2 and the second connecting plate 11 to move, the detector 20 detects the light transmittance of the film at different positions, the light splitter 23 splits the light to process, so that the detector 20 more accurately detects the light transmittance uniformity. Through the movement detection of the detector 20 in the width direction of the film, the data of the light transmittance uniformity of the film can be obtained comprehensively.
[0036] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An apparatus for detecting the light transmission uniformity of a thin film, comprising a connecting frame (1), characterized in that: The left side top of the connecting frame (1) is slidably connected with a first connecting plate (2), the left side bottom of the connecting frame (1) is slidably connected with a second connecting plate (11), the left side outer wall of the connecting frame (1) is fixedly connected with an electric sliding rail (25), the outer wall of the electric sliding rail (25) is slidably connected with a sliding block (26), the outer wall of the sliding block (26) is slidably connected with a connecting frame (24), and the connecting frame (24) is fixedly connected with the first connecting plate (2) and the second connecting plate (11) respectively, the inner parts of the front and rear ends of the connecting frame (1) are threadedly connected with bolts (3), one end of the bolt (3) is rotatably connected with an arcuate frame (4), the inner part of the arcuate frame (4) is rotatably connected with a bidirectional threaded rod (5), the upper and lower ends of the bidirectional threaded rod (5) are rotatably connected with first nut pairs (7), one end of the first nut pair (7) is fixedly connected with a clamping plate (8), the inner part of the first nut pair (7) penetrates and is slidably connected with a limiting rod (6), and the limiting rod (6) is fixedly connected with the arcuate frame (4), the bottom of the bidirectional threaded rod (5) is fixedly connected with a limiting disc (9), and the limiting disc (9) and the arcuate frame (4) are threadedly connected through a screw (10), and the inner part of the second connecting plate (11) is provided with a driving assembly.
2. The apparatus for detecting the light transmission uniformity of a thin film according to claim 1, wherein: The driving assembly comprises a motor (12), and the output end of the motor (12) is fixedly connected with a first lead screw (16).
3. The apparatus for detecting the light transmission uniformity of a thin film according to claim 2, wherein: The outer ring of the right side of the first lead screw (16) is threadedly connected with a second nut pair (17), and the right side of the second nut pair (17) is fixedly connected with a moving seat (18).
4. The apparatus for detecting the light transmission uniformity of a thin film according to claim 3, wherein: The inner part of the moving seat (18) penetrates and is slidably connected with a guide column (15), and the guide column (15) is fixedly connected with the second connecting plate (11).
5. The apparatus for detecting the light transmission uniformity of a thin film according to claim 1, wherein: The inner part of the right side of the first connecting plate (2) is rotatably connected with a second lead screw (21), and the outer ring of the left side of the second lead screw (21) is fixedly connected with a driven pulley (22).
6. The apparatus for detecting the light transmission uniformity of a thin film according to claim 2, wherein: The driving assembly comprises a motor (12), and the output end of the motor (12) is fixedly connected with a first lead screw (16).
7. The apparatus for detecting the light transmission uniformity of a thin film according to claim 3, wherein: The right side of the moving seat (18) is fixedly connected with a connecting rod (19).
8. The apparatus for detecting the light transmission uniformity of a thin film according to claim 7, wherein: The right side of the connecting rod (19) at the bottom is fixedly connected with a detector (20), and the right side of the connecting rod (19) at the top is fixedly connected with a light splitter (23).