Correction detection device for LED screen production
By introducing an automated testing component consisting of a disc and a stepper motor into the LED screen testing device, the problem of having to open the cabinet door to place the LED screen after testing in the existing technology has been solved, enabling continuous testing of LED screens and improving testing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-03-27
AI Technical Summary
The existing LED screen testing device requires opening the cabinet door after testing, placing the next LED screen under the spectral radiometer, and then closing the cabinet door. This makes the operation cumbersome, the testing cannot be carried out continuously, and the efficiency is low.
The system employs convenient testing components, including a disc and a stepper motor. The disc rotates automatically to place the LED screen in the slot, enabling continuous testing. Combined with the automatic testing of a spectral radiometer and the use of a light-shielding curtain, the continuity of the testing process is ensured.
It enables continuous LED screen inspection, simplifies the operation process, and improves inspection efficiency.
Smart Images

Figure CN224051558U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection device technical field especially relates to a correction detection device for LED screen production. BACKGROUND
[0002] The detection device is used for detecting the brightness and color temperature of small LED screen in the production process of LED screen, and is composed of a detection cabinet and a spectral radiation luminance meter, when the detection device is used to detect the LED screen, the worker places the LED screen below the spectral radiation luminance meter, connects the power supply, starts the spectral radiation luminance meter, and the spectral radiation luminance meter detects the brightness and color temperature of the small LED screen based on the spectral technology and radiation intensity, so that the worker obtains the data from the upper computer connected with the spectral radiation luminance meter, and corrects the LED screen needing correction.
[0003] The inventor finds in daily work that when the detection device is used, the cabinet door needs to be opened after detecting the LED screen, then the next detected LED screen is placed below the spectral radiation luminance meter, and then the cabinet door is closed to make the LED screen in the dark environment, which not only is complicated in operation, but also makes the detection discontinuous, and further may make the detection efficiency low. UTILITY MODEL CONTENTS
[0004] The utility model discloses a correction detection device for LED screen production is provided to solve the problem that in actual use process, after detecting the LED screen, the cabinet door needs to be opened, then the next detected LED screen is placed below the spectral radiation luminance meter, and then the cabinet door is closed to make the LED screen in the dark environment, which not only is complicated in operation, but also makes the detection discontinuous, and further may make the detection efficiency low.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a correction detection device for LED screen production, including detection cabinet and installing the spectral radiation luminance meter of detection cabinet inner wall top, the upper end of detection cabinet is slidably inserted with the cabinet door, the inner wall of detection cabinet is provided with convenient detection component, the convenient detection component includes the disc of setting in detection cabinet inner wall one side, the upper end of disc is opened with the placement groove, the inner wall one side of detection cabinet is installed with the step motor, and the step motor controls disc rotation.
[0006] The effect achieved by the above components is that: the detection assembly is provided, when the LED screen needs to be detected, the worker places the LED screen into the placing groove, the controller starts the stepper motor, the stepper motor is connected with the disc through the speed reducer and the shaft coupling, the disc rotates, the next placing groove is turned out, and then the new LED screen is placed, the above steps are repeated until all the placing grooves are loaded with the LED screens, then the spectroradiometric photometer is started to detect, after the detected LED screen is turned out, the worker takes down and places the new LED screen for detection, and the disc continues to rotate, so that the function of conveniently and continuously detecting the LED screen is achieved.
[0007] Preferably, the inner wall of the placing groove is provided with an ejection hole in the bottom, the front of the detection cabinet is provided with a mounting groove, the inner wall of the mounting groove is slidably connected with a sliding rod, and one end of the sliding rod is fixedly connected with a trapezoidal groove.
[0008] The effect achieved by the above components is that: the power supply is arranged in the placing groove to light up the LED screen, when the disc rotates above the trapezoidal block, the sliding rod is reset through the elastic mechanism, the trapezoidal block is inserted into the ejection hole, so that the LED screen in the placing groove is ejected, and the LED screen is conveniently taken up, and when the LED screen is placed into the placing groove, the magnetic sheet can be arranged on the inner wall of the mounting groove, and the sliding rod is limited through the magnetic sheet.
[0009] Preferably, the lower end of the sliding rod is fixedly connected with a first spring, and the other end of the first spring is fixed to the detection cabinet.
[0010] The effect achieved by the above components is that: the first spring is arranged, when the disc rotates above the trapezoidal block, the sliding rod is reset through the first spring, the trapezoidal block is inserted into the ejection hole, so that the LED screen in the placing groove is ejected.
[0011] Preferably, the inner wall of the mounting groove is fixedly connected with a circular rod, and the sliding rod slides on the circular rod.
[0012] The effect achieved by the above components is that: the circular rod is arranged to limit the sliding direction of the sliding rod.
[0013] Preferably, the lower end of the cabinet door is fixedly connected with a light-shielding curtain on both sides.
[0014] The effect achieved by the above components is that: the light-shielding curtain is arranged to shield the gap between the cabinet door and the detection cabinet.
[0015] Preferably, the two ends of the detection cabinet are fixedly connected with a fixing assembly, and the fixing assembly is used for fixing the cabinet door.
[0016] The effect achieved by the above components is that: the fixing assembly is arranged to fix the cabinet door to the detection cabinet.
[0017] Preferably, the fixing assembly comprises a bolt slidingly inserted at both ends of the detection cabinet, and a plurality of positioning grooves are uniformly arranged at both ends of the cabinet door.
[0018] The above components achieve the effect that the cabinet door is pulled upward to be opened, and then the bolt is inserted into the positioning groove to fix the cabinet door.
[0019] Preferably, one side of the bolt is fixedly connected with a second spring, and the other end of the second spring is fixed to the detection cabinet.
[0020] The above components achieve the effect that the second spring is arranged to pull the bolt to assist in limiting the bolt.
[0021] In summary, the utility model has the beneficial effects that:
[0022] In the utility model, the convenient detection assembly is arranged, when the LED screen needs to be detected, the worker places the LED screen into the placing groove, the controller starts the stepping motor, the stepping motor is connected with the disc through the speed reducer and the shaft coupling, the disc rotates, the next placing groove is turned out, and then the new LED screen is placed, the above steps are repeated until all the placing grooves are loaded with the LED screens, then the spectroradiometric brightness meter is started to detect, after the detection, the worker takes down the LED screen and places the new LED screen to detect, the disc continues to rotate, and the function of conveniently and continuously detecting the LED screen is achieved as much as possible, the problem that the detection efficiency is low is solved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0024] Figure 2 It is a three-dimensional structure schematic view of the convenient detection assembly of the utility model;
[0025] Figure 3 It is a three-dimensional structure schematic view of the spectroradiometric brightness meter of the utility model;
[0026] Figure 4 It is a three-dimensional structure schematic view of the cabinet door of the utility model;
[0027] Figure 5 It is a control flow schematic view of the utility model.
[0028] Legend: 1, detection cabinet; 2, convenient detection assembly; 3, fixed assembly; 4, cabinet door; 5, spectral radiance meter; 21, disc; 22, stepping motor; 23, placing groove; 24, ejection hole; 25, trapezoidal block; 26, slide bar; 27, mounting groove; 28, first spring; 29, circular rod; 210, light screen; 31, bolt; 32, second spring; 33, positioning groove. DETAILED DESCRIPTION
[0029] Referring to Figure 1 The utility model provides a technical scheme: a kind of correction detection device for LED screen production, including detection cabinet 1 and the spectral radiance meter 5 of installation in the inner wall top of detection cabinet 1, the upper end of detection cabinet 1 is slidably inserted with cabinet door 4, and the inner wall of detection cabinet 1 is provided with convenient detection assembly 2.
[0030] Referring to Figure 2 And Figure 3 And Figure 4As shown in this embodiment: the convenient inspection component 2 includes a disc 21 disposed on one side of the inner wall of the inspection cabinet 1. A placement slot 23 is provided at the upper end of the disc 21. A stepper motor 22 is installed on one side of the inner wall of the inspection cabinet 1. The stepper motor 22 controls the rotation of the disc 21. By setting up the convenient inspection component 2, when the LED screen needs to be inspected, the worker places the LED screen into the placement slot 23, and starts the stepper motor 22 through the controller. The stepper motor 22 is connected to the disc 21 through a reducer and a coupling, causing the disc 21 to rotate and move to the next placement slot 23. After rotating out, a new LED screen is placed, and the above process is repeated until all placement slots 23 are equipped with LED screens. Then, the spectral radiometer 5 is started for testing. After the tested LED screen is rotated out, the worker removes it and places a new LED screen for testing. The disc 21 continues to rotate, thereby facilitating continuous testing of the LED screens as much as possible. The bottom of the inner wall of the placement slot 23 has an ejection hole 24, and the front of the testing cabinet 1 has a mounting slot 27. The inner wall of the mounting slot 27 is slidably connected to a slide rod 26, and one end of the slide rod 26 is fixedly connected to a trapezoidal block 25. The placement slot 23 is equipped with a power supply to illuminate the LED screen. When the disc 21 rotates above the trapezoidal block 25, the elastic mechanism causes the slide rod 26 to reset, allowing the trapezoidal block 25 to insert into the ejection hole 24, thereby ejecting the LED screen from the placement slot 23 for easy removal. When placing the LED screen into the placement slot 23, a magnetic sheet can be installed at the bottom of the inner wall of the slot 27 to attract the slide rod 26 and limit its movement. The lower end of the slide rod 26 is fixedly connected to a first spring 28, and the other end of the first spring 28 is fixed to the detection cabinet 1. By setting the first spring 28, when the disc 21 rotates above the trapezoidal block 25, the first spring 28 resets, causing the slide rod 26 to reset, so that the trapezoidal block 25 is inserted into the ejection hole 24, thereby ejecting the LED screen in the placement slot 23. A circular rod 29 is fixedly connected to the inner wall of the mounting slot 27, and the slide rod 26 slides on the circular rod 29. By setting the circular rod 29, the sliding direction of the slide rod 26 is limited. Light-shielding curtains 210 are fixedly connected to both sides of the lower end of the cabinet door 4. By setting the light-shielding curtains 210, the gap between the cabinet door 4 and the testing cabinet 1 is blocked.
[0031] Reference Figure 1 and Figure 2 as well as Figure 4As shown, in the embodiment: the detection cabinet 1 is fixedly connected with a fixed assembly 3 at both ends, the fixed assembly 3 is used for fixing the cabinet door 4, by setting the fixed assembly 3, the cabinet door 4 is fixed to the detection cabinet 1, the fixed assembly 3 includes a bolt 31 slidingly inserted at both ends of the detection cabinet 1, a plurality of uniformly distributed positioning grooves 33 are opened at both ends of the cabinet door 4, the cabinet door 4 is pulled upward to be opened, then the bolt 31 is inserted into the positioning groove 33, the cabinet door 4 is fixed, one side of the bolt 31 is fixedly connected with a second spring 32, the other end of the second spring 32 is fixed with the detection cabinet 1, by setting the second spring 32, the second spring 32 pulls the bolt 31, and the bolt 31 is auxiliary limited.
[0032] Working principle:
[0033] When the detection device is used to detect the LED screen, the worker places the LED screen under the spectral radiometric luminance meter 5, and connects the power supply, starts the spectral radiometric luminance meter 5, and the spectral radiometric luminance meter 5 detects the brightness and color temperature of the small LED screen based on the spectral technology and the radiation intensity, so that the worker obtains the data from the upper computer connected with the spectral radiometric luminance meter 5 (which can be selected as model OHSP350L), and corrects the LED screen that needs to be corrected. When the LED screen needs to be detected, the worker places the LED screen into the placing groove 23, starts the stepper motor 22 (which can be selected as model 57BYG41) through the controller, the stepper motor 22 is connected with the disc 21 through the speed reducer and the shaft coupling, so that the disc 21 rotates, the next placing groove 23 is turned out, and then the new LED screen is placed, and the above is repeated until all the placing grooves 23 are loaded with the LED screen, then the spectral radiometric luminance meter 5 is started for detection, after the detection, the LED screen is turned out, the worker takes down and places the new LED screen for detection, the disc 21 continues to rotate, and thus the function of conveniently and continuously detecting the LED screen is achieved as far as possible. The placing groove 23 is provided with a power supply for the LED screen to light up, when the disc 21 rotates to the top of the trapezoidal block 25, the first spring 28 resets, the slide rod 26 resets, the trapezoidal block 25 is inserted into the ejection hole 24, so that the LED screen in the placing groove 23 is ejected, thereby facilitating picking up. When the LED screen is placed into the placing groove 23, the magnetic sheet can be arranged on the inner wall bottom of the mounting groove 27, the slide rod 26 is limited by the magnetic sheet, the slide direction of the slide rod 26 is limited by the setting of the circular rod 29, the gap between the cabinet door 4 and the detection cabinet 1 is shaded by the setting of the shade curtain 210, the cabinet door 4 is fixed to the detection cabinet 1 by setting the fixed assembly 3, the cabinet door 4 is pulled upward to be opened, then the bolt 31 is inserted into the positioning groove 33, the cabinet door 4 is fixed, and the bolt 31 is auxiliary limited by setting the second spring 32.
[0034] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and alteration of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application. In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connecting" should be understood in a broad sense. For example, it can be fixed connection, detachable connection or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium; and it can be internal communication of two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
Claims
1. A correction detection device for LED screen production, comprising a detection cabinet (1) and a spectral radiance luminometer (5) installed on the top of the inner wall of the detection cabinet (1), characterized in that: The upper end of the detection cabinet (1) is slidably inserted with a cabinet door (4), and the inner wall of the detection cabinet (1) is provided with a convenient detection assembly (2), which comprises a disc (21) arranged on one side of the inner wall of the detection cabinet (1), and a placing groove (23) is formed in the upper end of the disc (21), and a stepping motor (22) is installed on one side of the inner wall of the detection cabinet (1), and the stepping motor (22) controls the rotation of the disc (21).
2. The correction detection device for LED screen production according to claim 1, characterized in that: The inner wall of the placing groove (23) is provided with an ejection hole (24) at the bottom, and the front of the detection cabinet (1) is provided with a mounting groove (27), and the inner wall of the mounting groove (27) is slidably connected with a slide rod (26), and one end of the slide rod (26) is fixedly connected with a trapezoidal block (25). 3.The correction detection device for LED screen production according to claim 2, characterized in that: The lower end of the slide rod (26) is fixedly connected with a first spring (28), and the other end of the first spring (28) is fixed with the detection cabinet (1).
4. The correction detection device for LED screen production according to claim 3, characterized in that: The inner wall of the mounting groove (27) is fixedly connected with a circular rod (29), and the slide rod (26) slides on the circular rod (29).
5. The correction detection device for LED screen production according to claim 4, characterized in that: The lower end of the cabinet door (4) is fixedly connected with a light curtain (210) on both sides.
6. The correction detection device for LED screen production according to claim 5, characterized in that: Both ends of the detection cabinet (1) are fixedly connected with a fixing assembly (3), which is used for fixing the cabinet door (4).
7. The correction detection device for LED screen production according to claim 6, characterized in that: The fixing assembly (3) comprises a latch (31) slidably inserted into both ends of the detection cabinet (1), and a plurality of evenly distributed positioning grooves (33) are formed in both ends of the cabinet door (4). 8.The correction detection device for LED screen production according to claim 7, characterized in that: One side of the latch (31) is fixedly connected with a second spring (32), and the other end of the second spring (32) is fixed with the detection cabinet (1).