LED light guide plate light guide performance high-precision detection device based on spectral analysis
By designing a high-precision detection device for light guide performance based on spectral analysis, the arrangement and movement of light guide plates are achieved by using the design of arc-shaped track grooves and vertical grooves, the problems of light guide plate installation and brightness detection in the prior art are solved, and the high-precision brightness detection effect is achieved.
Patent Information
- Application Number
- CN202422244191.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-13
AI Technical Summary
The prior art lacks a kind of equipment that facilitates the installation of light guide plates and places light guide plates in the light source box to keep the light guide plates in different positions, making it convenient for brightness detection.
A high-precision detection device for light guiding performance of LED light guide plates based on spectral analysis is designed, including light source box, fixed connection base plate and L plate, bracket, mounting plate, mounting column and other components. Through the design of arc-shaped track grooves and vertical grooves, the light guide plate is placed and moved, allowing it to enter the light source box, and combined with electric push rods and brightness meters, high-precision brightness detection is achieved.
It realizes high-precision brightness detection of the light guide plate, facilitates the installation and position adjustment of the light guide plate, and enhances the stability of the detection process.
Smart Images

Figure CN223005706U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light guide detection, in particular to a high-precision detection device for the light guide performance of an LED light guide plate based on spectral analysis. Background Technique
[0002] The LED light guide plate is a medium for light source conduction, and its main function is to effectively convert point light sources and line light sources into surface light sources. Through the light guide plate, limited point and line light sources can be converted into a larger area of plane light sources, achieving a light homogenization effect and saving energy. During the production process of the LED light guide plate, it is usually necessary to take samples for spot checks, and a light guide performance detection device is required during the detection to detect the light guide performance of the LED light guide plate and whether the LED light guide plate meets the standards.
[0003] In the prior art, for example, a light guide performance detection device for an LED light guide plate in a patent for invention, the authorization announcement number is CN113074918B. When detecting the LED light guide plate, the control head can be moved manually, so that the adjusting plate can move inside the adjusting groove, and then the adjusting plate can move up and down to open the side groove, allowing light to enter the main body. The control head can be moved to a position flush with the LED light guide plate, so that the external light can be at the bottom of the LED light guide plate, and then the brightness meter is controlled to detect the brightness.
[0004] Currently, there is still a lack of a device that can facilitate the installation of the light guide plate, place the light guide plate in the light source box, and position the light guide plate in different positions to facilitate brightness detection. Summary of the Utility Model
[0005] The technical problem to be solved by the utility model is to provide a high-precision detection device for the light guide performance of an LED light guide plate based on spectral analysis, which is beneficial to realizing the installation of the light guide plate, placing the light guide plate in the light source box, and positioning the light guide plate in different positions to facilitate brightness detection.
[0006] The utility model adopts the following technical solutions to achieve the utility model purpose:
[0007] A high-precision detection device for the light guiding performance of an LED light guide plate based on spectral analysis, characterized by comprising: a light source box, fixedly connected to a bottom plate, and the bottom plate is fixedly connected to an L-shaped plate; a bracket, fixedly connected to the L-shaped plate through a set of mounting rods, the bracket is provided with two groups of symmetric vertical grooves, the bracket is fixedly connected to symmetric arc-shaped track grooves, and the two outer vertical grooves respectively communicate with the corresponding arc-shaped track grooves; a mounting plate, fixedly connected to two groups of symmetric circular blocks, the two groups of symmetric circular blocks match the two groups of symmetric vertical grooves, and the two outer circular blocks match the symmetric arc-shaped track grooves; a mounting column, fixedly connected to the mounting plate, and the mounting column is provided with a light guide plate mounting groove. By adopting the arc-shaped track groove, when the outer circular block is in the arc-shaped track groove, the mounting column is inclined, which is convenient for placing the light guide plate; by setting the vertical groove, the mounting column drives the light guide plate to move downward, so that the light guide plate enters the light source box, which is convenient for realizing the detection.
[0008] As a further limitation of this technical solution, the mounting plate is fixedly connected to symmetric power blocks, and the bracket is rotatably connected to symmetric electric push rods, and the push rods of the symmetric electric push rods are respectively rotatably connected to the corresponding power blocks. By adopting the electric push rods, power is provided for the movement of the mounting column.
[0009] As a further limitation of this technical solution, the mounting column is fixedly connected to symmetric mounting seats, and the symmetric mounting seats are respectively fixedly connected to brightness meters. By adopting the brightness meters, the detection of the light guiding performance of the light guide plate is realized.
[0010] As a further limitation of this technical solution, the mounting column is threadedly connected to symmetric setscrews. When the setscrews are tightened, the setscrews contact the light guide plate to realize the positioning of the light guide plate.
[0011] As a further limitation of this technical solution, the mounting plate is fixedly connected to a light-shielding cover, and the light-shielding cover matches the light source box. By adopting the light-shielding cover, after it enters the light source box, a closed area is formed, which is convenient for realizing the detection.
[0012] As a further limitation of this technical solution, the L-shaped plate is provided with a straight groove, the L-shaped plate is fixedly connected to a cross groove corresponding to the straight groove, a cross block is arranged in the cross groove, the mounting plate is fixedly connected to a U-shaped plate, the U-shaped plate is rotatably connected to a vertical rod, the vertical rod passes through the cross block, and the vertical rod is arranged in the straight groove. By adopting the vertical rod and the cross block, etc., it is convenient to realize the movement of the auxiliary mounting plate and enhance the stability of the detection process.
[0013] Compared with the related technology, a high-precision detection device for the light guiding performance of an LED light guide plate based on spectral analysis provided by the present utility model has the following beneficial effects:
[0014] (1) By adopting an arc-shaped track groove, when the outer circular block is in the arc-shaped track groove, the mounting post is inclined, which facilitates the placement of the light guide plate.
[0015] (2) By setting a vertical groove, the mounting post drives the light guide plate to move downward, enabling the light guide plate to enter the light source box, and the light-shielding cover to enter the light source box, which facilitates detection.
[0016] (3) By adopting a vertical rod and a cross block, etc., it facilitates the movement of the auxiliary mounting plate and enhances the stability of the detection process. Description of the Drawings
[0017] Figure 1 is a schematic diagram of the initial state of the present utility model;
[0018] Figure 2 is a partial three-dimensional structure schematic diagram of the present utility model Figure 1 ;
[0019] Figure 3 is a partial three-dimensional structure schematic diagram of the present utility model Figure 2 ;
[0020] Figure 4 is a partial three-dimensional structure schematic diagram of the present utility model Figure 3 ;
[0021] Figure 5 is a partial three-dimensional structure schematic diagram of the present utility model Figure 4 ;
[0022] Figure 6 is a schematic diagram of the test state of the present utility model.
[0023] In the figure: 1, L plate; 2, vertical rod; 3, straight groove; 4, cross groove; 5, light-shielding cover; 6, mounting post; 7, light source box; 8, bottom plate; 9, electric push rod; 10, arc-shaped track groove; 11, vertical groove; 12, bracket; 13, cross block; 14, U plate; 15, circular block; 16, power block; 17, mounting plate; 18, mounting seat; 19, setscrew; 20, light guide plate mounting groove; 21, luminance meter. Detailed Embodiments
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0025] Embodiment 1: A high-precision detection device for the light guiding performance of an LED light guide plate based on spectral analysis, comprising: a light source box 7, fixedly connected to a bottom plate 8, and the bottom plate 8 is fixedly connected to an L-shaped plate 1; a bracket 12, fixedly connected to the L-shaped plate 1 through a set of mounting rods, the bracket 12 is provided with two groups of symmetric vertical grooves 11, the bracket 12 is fixedly connected to symmetric arc-shaped track grooves 10, and the two outer vertical grooves 11 are respectively communicated with the corresponding arc-shaped track grooves 10; a mounting plate 17, fixedly connected to two groups of symmetric round blocks 15, the two groups of symmetric round blocks 15 are matched with the two groups of symmetric vertical grooves 11, and the two outer round blocks 15 are matched with the symmetric arc-shaped track grooves 10; a mounting column 6, fixedly connected to the mounting plate 17, and the mounting column 6 is provided with a light guide plate mounting groove 20. By adopting the arc-shaped track groove 10, when the outer round block 15 is in the arc-shaped track groove 10, the mounting column is inclined by 6, which is convenient for placing the light guide plate; by providing the vertical groove 11, the mounting column 6 drives the light guide plate to move downward, so that the light guide plate enters the light source box 7, which is convenient for realizing the detection.
[0026] The mounting plate 17 is fixedly connected to symmetric power blocks 16, and the bracket 12 is rotatably connected to symmetric electric push rods 9, and the push rods of the two symmetric electric push rods 9 are respectively rotatably connected to the corresponding power blocks 16. By adopting the electric push rods 9, power is provided for the movement of the mounting column 6.
[0027] The mounting column 6 is fixedly connected to symmetric mounting seats 18, and the two symmetric mounting seats 18 are respectively fixedly connected to a luminance meter 21. By adopting the luminance meter 21, the detection of the light guiding performance of the light guide plate is realized.
[0028] The mounting column 6 is threadedly connected to symmetric setscrews 19. When the setscrews 19 are tightened, the setscrews 19 contact the light guide plate, realizing the positioning of the light guide plate.
[0029] The mounting plate 17 is fixedly connected to a light-shielding cover 5, and the light-shielding cover 5 is matched with the light source box 7. By adopting the light-shielding cover 5, after it enters the light source box 7, a closed area is formed, which is convenient for realizing the detection.
[0030] The working principle of a high-precision detection device for the light guiding performance of an LED light guide plate based on spectral analysis provided by the present utility model is as follows:
[0031] In the initial state, as Figure 1 shown, the light guide plate is installed in the light guide plate mounting groove 20, and the setscrews 19 are tightened to realize the installation of the light guide plate.
[0032] Control the electric push rod 9 to contract. The electric push rod 9 drives the power block 16 to swing. The power block 16 drives the mounting plate 17 to swing. The mounting plate 17 drives the outer circular block 15 to move along the arc-shaped track groove 10. The mounting plate 17 drives the light-shielding cover 5, the mounting post 6, the setscrew 19, the mounting post 18, the luminance meter 21 and the light guide plate to swing. The inner circular block 15 rotates at the end of the inner vertical groove 11. When the outer circular block 15 enters the outer vertical groove 11, the circular block 15 moves along the vertical groove 11, making the mounting plate 17 etc. move vertically downward, making the light-shielding cover 5 enter the light source box 7, and making the light guide plate move downward to a suitable position.
[0033] Turn on the light source in the light source box 7, control the luminance meter 21 to work, and realize the detection of the light guiding performance of the light guide plate.
[0034] Embodiment 2: This embodiment is further elaborated on the basis of Embodiment 1. The L-shaped plate 1 is provided with a straight groove 3. The L-shaped plate 1 is fixedly connected with a cross groove 4 corresponding to the straight groove 3. A cross block 13 is arranged in the cross groove 4. The mounting plate 17 is fixedly connected with a U-shaped plate 14. The U-shaped plate 14 is rotatably connected with a vertical rod 2. The vertical rod 2 passes through the cross block 13. The vertical rod 2 is arranged in the straight groove 3. By adopting the vertical rod 2 and the cross block 13 etc., it is convenient to realize the movement of the auxiliary mounting plate 17 and enhance the stability of the detection process.
[0035] The working principle of a high-precision detection device for the light guiding performance of an LED light guide plate based on spectral analysis provided by the present utility model is as follows:
[0036] When the mounting plate 17 swings, it drives the U-shaped plate 14 to swing. The U-shaped plate 14 drives the vertical rod 2 to swing. The vertical rod 2 drives the cross block 13 to move in the cross groove 4. When the mounting plate 17 moves vertically downward, the vertical rod 2 moves downward along the cross block 13.
[0037] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. All equivalent structural or equivalent process transformations made by using the description and drawings of the present utility model, or directly or indirectly applied to other related technical fields, are equally included in the patent protection scope of the present utility model.
Claims
1. A high-precision detection device for the light-guiding performance of an LED light guide plate based on spectral analysis, characterized in that: include: The light source box (7) is fixedly connected to the bottom plate (8), and the bottom plate (8) is fixedly connected to the L plate (1); A bracket (12) is fixedly connected to the L-plate (1) via a set of mounting rods, the bracket (12) is provided with two sets of symmetrical vertical grooves (11), the bracket (12) is fixedly connected to the symmetrical arc-shaped track grooves (10), and the two outer vertical grooves (11) are respectively connected to the corresponding arc-shaped track grooves (10); A mounting plate (17) fixedly connects two groups of symmetrical round blocks (15), wherein the two groups of symmetrical round blocks (15) match the two groups of symmetrical vertical grooves (11), and the two outer round blocks (15) match the symmetrical arc-shaped track grooves (10); The mounting column (6) is fixedly connected to the mounting plate (17), and the mounting column (6) is provided with a light guide plate mounting groove (20).
2. The high-precision detection device for light guide performance of LED light guide plate based on spectral analysis according to claim 1 is characterized in that: The mounting plate (17) is fixedly connected to the symmetrical power blocks (16), the bracket (12) is rotatably connected to the symmetrical electric push rods (9), and the push rods of the symmetrical electric push rods (9) are respectively rotatably connected to the corresponding power blocks (16).
3. The high-precision detection device for light guide performance of LED light guide plate based on spectral analysis according to claim 1 is characterized in that: The mounting columns (6) are fixedly connected to symmetrical mounting seats (18), and the symmetrical mounting seats (18) are respectively fixedly connected to brightness meters (21).
4. The high-precision detection device for light guide performance of LED light guide plate based on spectral analysis according to claim 1 is characterized in that: The mounting column (6) is threadedly connected to a symmetrical top screw (19).
5. The high-precision detection device for light guide performance of LED light guide plate based on spectral analysis according to claim 1 is characterized in that: The mounting plate (17) is fixedly connected to the light shield (5), and the light shield (5) matches the light source box (7).
6. The high-precision detection device for light guide performance of LED light guide plate based on spectral analysis according to claim 1 is characterized in that: The L-plate (1) is provided with a straight groove (3); the L-plate (1) is fixedly connected to a cross groove (4) corresponding to the straight groove (3); a cross block (13) is arranged in the cross groove (4); the mounting plate (17) is fixedly connected to a U-plate (14); the U-plate (14) is rotatably connected to a vertical rod (2); the vertical rod (2) passes through the cross block (13); and the vertical rod (2) is arranged in the straight groove (3).
Citation Information
Patent Citations
A device for testing the light guiding performance of LED light guide plates
CN113074918B