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CN-121994349-A - A test structure for cold light piece luminance

CN121994349ACN 121994349 ACN121994349 ACN 121994349ACN-121994349-A

Abstract

The invention discloses a test structure for brightness of a cold light sheet, which relates to the technical field of cold light sheet detection and comprises a test placement box body, wherein a movable door is arranged on the front side of the test placement box body, a test platform mechanism is arranged on the top of the test placement box body, a test mechanism is fixedly arranged on the rear side of the test placement box body, the test platform mechanism comprises a rotating motor, the rotating motor is fixedly connected with the bottom of the inner wall of the test placement box body, a rotating column is fixedly arranged on an output shaft of the rotating motor, a plurality of power supply sockets penetrate through the top of the test placement box body and are fixedly arranged in an annular array, and a positioning turntable is fixedly arranged on the outer wall of the rotating column. According to the invention, through the mutual matching of the test platform mechanism and the luminosity detection mechanism, after a plurality of cold light sheets can be fixed at the same time, automatic detection is carried out one by one rapidly, manual detection is not needed one by one, and the detection efficiency of the cold light sheets is effectively improved.

Inventors

  • LAI HENGBO
  • WANG HONGYU
  • WANG RUI

Assignees

  • 广东甲沐光电科技有限公司

Dates

Publication Date
20260508
Application Date
20241107

Claims (7)

  1. 1. A test structure for luminescence sheet brightness comprises a test placement box body (1) and is characterized in that a movable door (11) is arranged on the front side of the test placement box body (1), a test platform mechanism (2) is arranged on the top of the test placement box body (1), a test mechanism (3) is fixedly arranged on the rear side of the test placement box body (1), the test platform mechanism (2) comprises a rotating motor (21), the rotating motor (21) is fixedly connected with the bottom of the inner wall of the test placement box body (1), a rotating column (22) is fixedly arranged on an output shaft of the rotating motor (21), a plurality of power supply sockets (221) are fixedly arranged on the top of the rotating column (22) in a penetrating mode, a positioning turntable (23) is fixedly arranged on the outer wall of the rotating column (22), and a plurality of luminescence sheet positioning mechanisms (231) are arranged on an annular array fixing rod at the position of the positioning turntable (23) and located above the test placement box body (1).
  2. 2. The structure for testing the brightness of the cold light sheet according to claim 1, wherein the cold light sheet positioning mechanisms (231) comprise U-shaped fixing plates (2311), the U-shaped fixing plates (2311) are fixedly connected with the top of the positioning rotating disc (23), a pull rod (2312) penetrates through one side, far away from the center of the positioning rotating disc (23), of the cold light sheet positioning mechanism (231), a pull handle (2313) is fixedly arranged at one end, far away from the center of the positioning rotating disc (23), of the pull rod (2312), a clamping plate (2314) is fixedly arranged at the other end of the pull rod (2312), the bottom of the clamping plate (2314) is overlapped with the top of the U-shaped fixing plate (2311), a compression spring (2317) is fixedly arranged at one side, close to the pull rod (2312), of the clamping plate (2314) and the inner side of the compression spring (2317).
  3. 3. The structure for testing luminance of luminescent sheet as claimed in claim 2, wherein the clamping plate (2314) is fixedly installed with a clamping plate soft rubber (2315) on a side far away from the pull rod (2312), and a rubber pad (2316) is fixedly installed on a side, close to the clamping plate soft rubber (2315), of the vertical position of the U-shaped fixing plate (2311).
  4. 4. The test structure for brightness of cold light sheets according to claim 1, wherein the test mechanism (3) comprises an L-shaped support (31), a sliding groove (311) is formed in the front side of the vertical position of the L-shaped support (31), a lifting threaded rod (312) is movably mounted at the bottom of the inner wall of the sliding groove (311), the top end of the lifting threaded rod (312) penetrates through the top of the L-shaped support (31) and is fixedly provided with a rotary handle (313), a lifting block (321) is mounted on the outer wall of the lifting threaded rod (312) in a threaded manner, the lifting block (321) is in sliding connection with the inner wall of the sliding groove (311), a lifting plate (32) is fixedly mounted on the front side of the lifting block (321), and a luminosity detection mechanism (33) is fixedly mounted on the front side of the bottom of the lifting plate (32).
  5. 5. The structure for testing the brightness of a luminescent sheet according to claim 4, wherein the photometric detection mechanism (33) comprises a hanging rod (331), the top end of the hanging rod (331) is fixedly connected with the bottom of the lifting plate (32), a clamping groove (3311) is formed in the bottom of the hanging rod (331), a clamping block (332) is clamped in the clamping groove (3311), a photometer (333) is fixedly arranged at the bottom of the clamping block (332), a photosensitive probe (3331) is fixedly arranged at the bottom of the photometer (333), and the photosensitive probe (3331) is located above the luminescent sheet positioning mechanism (231).
  6. 6. The structure for testing luminescence sheet brightness according to claim 5, wherein a luminosity value display screen (3332) is arranged on the front side of the photometer (333), a suspension bracket (334) is fixedly arranged below the front side of the suspension rod (331), a high-definition camera (3341) is fixedly arranged below the rear side of the suspension bracket (334), the high-definition camera (3341) is positioned on the front side of the luminosity value display screen (3332), a lead (3342) is electrically connected to the output end of the high-definition camera (3341), a monitoring display (335) is fixedly arranged above the front side of the suspension rod (331), and the input end of the monitoring display (335) is electrically connected with the output end of the lead (3342).
  7. 7. The structure for testing the brightness of the luminescent sheet according to claim 6, wherein a threaded rod (3312) is installed below the rear side of the suspension rod (331) in a penetrating thread manner, a knob (3313) is fixedly installed at the rear end of the threaded rod (3312), the front end of the threaded rod (3312) penetrates to the rear side of the inner wall of the clamping groove (3311) and a pressure plate (3314) is fixedly installed, and the pressure plate (3314) is in lap joint with the rear side of the clamping block (332).

Description

A test structure for cold light piece luminance Technical Field The invention relates to the technical field of luminescence sheet detection, in particular to a test structure for luminescence sheet brightness. Background Cold light sheets are a common lighting device that produces visible light by exciting fluorescent powder with electric current. The substrate of the luminescent sheet is usually made of transparent or semitransparent materials such as glass, organic glass, polycarbonate and the like, and the materials have good light transmittance, can enable light to pass through and uniformly distribute on the whole luminescent sheet, and after the luminescent sheet is packaged and packed, the luminescent sheet needs to be tested to verify performance indexes such as luminous effect, brightness uniformity, durability and the like. The following problems exist in the prior art: because the existing luminescence sheet can only rely on the manpower to detect when detecting the brightness, the photometer needs to be manually aligned to the luminescence sheet, and the brightness value is compared with the standard value according to the generated brightness value after the luminescence sheet is electrified, so that whether the brightness of the luminescence sheet meets the standard is obtained, however, the test mode has too low test speed when aiming at mass production, and is too labor-consuming, so that the detection efficiency is affected. Disclosure of Invention The invention provides a test structure for brightness of a cold light sheet, which solves the problems in the prior art. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a test structure for cold light piece luminance, is including the test placing box, the front side that the box was placed in the test is provided with the dodge gate, the top that the box was placed in the test is provided with test platform mechanism, the rear side fixed mounting that the box was placed in the test has test mechanism, test platform mechanism is including the rotating electrical machines, the inner wall bottom fixed connection that the box was placed in rotating electrical machines and test, the output shaft fixed mounting of rotating electrical machines has the column spinner, the top of column spinner runs through to the top that the box was placed in the test and annular array fixed mounting have a plurality of power supply socket, the outer wall fixed mounting of column spinner has the positioning turntable, just the positioning turntable is located the top that the box was placed in the test, the eccentric department annular array dead lever of positioning turntable has a plurality of cold light piece positioning mechanism. The technical scheme of the invention is further improved in that the cold light sheet positioning mechanisms comprise U-shaped fixing plates, the U-shaped fixing plates are fixedly connected with the top of the positioning turntable, a pull rod penetrates through one side, away from the center of the positioning turntable, of the cold light sheet positioning mechanism, a pull handle is fixedly arranged at one end, away from the center of the positioning turntable, of the pull rod, a clamping plate is fixedly arranged at the other end of the pull rod, the bottom of the clamping plate is overlapped with the top of the U-shaped fixing plates, a compression spring is fixedly arranged at one side, close to the pull rod, of the clamping plate, and the pull rod is positioned at the inner side of the compression spring. The technical scheme of the invention is further improved in that the clamping plate is fixedly provided with the clamping plate soft rubber on one side far away from the pull rod, and the rubber pad is fixedly arranged on one side, close to the clamping plate soft rubber, of the vertical part of the U-shaped fixing plate. The testing mechanism comprises an L-shaped support, a sliding groove is formed in the front side of the vertical position of the L-shaped support, a lifting threaded rod is movably mounted at the bottom of the inner wall of the sliding groove, the top end of the lifting threaded rod penetrates through the top of the L-shaped support and is fixedly provided with a rotary handle, a lifting block is mounted on the outer wall of the lifting threaded rod in a threaded manner, the lifting block is in sliding connection with the inner wall of the sliding groove, a lifting plate is fixedly mounted on the front side of the lifting block, and a luminosity detection mechanism is fixedly mounted on the front side of the bottom of the lifting plate. The technical scheme of the invention is further improved in that the luminosity detection mechanism comprises a hanging rod, the top end of the hanging rod is fixedly connected with the bottom of the lifting plate, a clamping groove is formed in the bottom of the hanging rod, a clamping block is clampe