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CN-122016185-A - Bonding air tightness detection device of brightness enhancement film reflecting film and test method thereof

CN122016185ACN 122016185 ACN122016185 ACN 122016185ACN-122016185-A

Abstract

The invention relates to the technical field of performance test of a reflection film of a brightness enhancement film, in particular to a bonding air tightness detection device of the reflection film of the brightness enhancement film and a test method thereof, and the bonding air tightness detection device comprises a fixed base, a test shell, a locking piece and a sealing cover, wherein the upper end of the fixed base is fixedly connected with the test shell; the negative pressure air extraction unit comprises a negative pressure shell. In the invention, the test is carried out by the arranged mechanical mechanism, the cost is low, the control is convenient, and the dust and the moisture in the air in the test shell can be further treated by utilizing the pressure change in the test process, so that the accuracy of the test result is effectively improved.

Inventors

  • DENG SHIQIANG
  • LIAN QIUHUA
  • ZHA SHENHONG

Assignees

  • 江苏南锦电子材料有限公司

Dates

Publication Date
20260512
Application Date
20260113

Claims (10)

  1. 1. The utility model provides a laminating gas tightness detection device of light enhancement film reflectance coating, includes unable adjustment base (1), test shell (5), locking piece (6) and sealed lid (7), wherein unable adjustment base (1) upper end fixedly connected with test shell (5), install test platform (8) in the middle of test shell (5) are inside, test shell (5) one side rotates and is connected with sealed lid (7), locking piece (6) that are used for fixing a position sealed lid (7) are installed to test shell (5) other end, negative pressure air extraction unit (2) and mark subassembly (3) are installed respectively at test shell (5) both ends, observation subassembly (4) are installed to mark subassembly (3) one side, dust removal, dehumidification subassembly (9) are all installed to test platform (8) both sides. The negative pressure air extraction unit (2) comprises a negative pressure shell (21), a piston plate (22) is slidably connected inside the negative pressure shell (21), a first threaded rod (24) is rotatably connected in the middle of one end of the piston plate (22), a fixing frame (23) is spirally connected to the outer side of the first threaded rod (24), and a first button cap (25) is fixedly connected to the other end of the first threaded rod (24); The marking assembly (3) comprises a telescopic spring (31), one end of the telescopic spring (31) is fixedly connected with a moving plate (32), a moving column (33) is fixedly connected in the middle of the moving plate (32), and a fixed column shell (34) is slidably connected to the outer side of one end of the moving column (33); The observation assembly (4) comprises an observation plate (41), a mark (42) is arranged on the upper side of one end of the observation plate (41), an indication assembly (43) is arranged at the upper end of the observation plate (41), a guide frame (44) and a second threaded rod (45) are arranged in the observation plate (41), and one end of the second threaded rod (45) is fixedly connected with a second button cap (46).
  2. 2. The device for detecting the attaching tightness of the brightness enhancement film reflecting film according to claim 1, wherein the negative pressure shell (21) is fixedly connected to the inner side of one end of the test shell (5), the vertical projection of the fixing frame (23) is U-shaped, and one end of the fixing frame (23) is fixedly connected with the negative pressure shell (21) through bolts.
  3. 3. The device for detecting the bonding air tightness of the brightness enhancement film reflection film according to claim 1, wherein the other end of the telescopic spring (31) is fixedly connected with the test shell (5), the movable column (33) is arranged inside the telescopic spring (31), one end of the movable column (33) is arc-shaped, the arc-shaped arrangement end of the movable column (33) is made of metal conductive materials, and the fixed column shell (34) is fixedly connected with one end of the test shell (5).
  4. 4. The device for detecting the bonding air tightness of the brightness enhancement film reflection film according to claim 1, wherein the observation plate (41) comprises a plate body (411), one threaded hole (412) and two perforated holes (413) are formed in the plate body (411), the threaded holes (412) are formed between the perforated holes (413), the plate body (411) is in spiral connection with the second threaded rod (45) through the threaded holes (412), the plate body (411) is in sliding connection with the guide frame (44) through the perforated holes (413), and one end of the guide frame (44) is fixedly connected with the test shell (5).
  5. 5. The device for detecting the bonding tightness of the brightness enhancement film reflection film according to claim 1, wherein the indicating assembly (43) comprises an indicating needle (431), one end of the indicating needle (431) is in sharp arrangement, a rotating rod (432) is fixedly connected to the inner side of one end of the indicating needle (431), and a ring plate (434) is rotatably connected to the outer side of one end of the rotating rod (432) through a spring (433).
  6. 6. The device for detecting the adhesion tightness of the brightness enhancement film according to claim 5, wherein the rotating rod (432) and the annular plate (434) are coaxially arranged, the lower end of the rotating rod (432) is rotationally connected with the plate body (411), and the bottom end of the annular plate (434) is fixedly connected with the plate body (411).
  7. 7. The device for detecting the bonding air tightness of the reflection film of the brightness enhancement film according to claim 5, wherein the indicator needle (431) comprises a rod body (4311), one end of the rod body (4311) is fixedly connected with an indicator lamp (4312), a power supply (4313) is fixedly connected inside the rod body (4311), one end, close to the movable column (33), of the rod body (4311) is fixedly connected with a conductive plate (4314), and the two conductive plates (4314) are arranged in parallel.
  8. 8. The device for detecting the bonding air tightness of the brightness enhancement film reflecting film according to claim 1, wherein two dust removing and dehumidifying components (9) are arranged, the two dust removing and dehumidifying components (9) are arranged at two ends of the test platform (8) and are symmetrically arranged, any one of the dust removing and dehumidifying components (9) comprises two dust removing and dehumidifying net plates (91), and blades (92) are arranged between the two dust removing and dehumidifying net plates (91).
  9. 9. The device for detecting the attaching air tightness of the brightness enhancement film reflecting film according to claim 1, wherein the negative pressure air suction unit (2), the marking component (3) and the center point of the test shell (5) are arranged on the same horizontal plane, the upper end of the test platform (8) is arranged at the right center position of the test shell (5), and the test shell (5) is arranged in a column shape.
  10. 10. The method for testing the bonding air tightness detection device based on the reflection film of the brightness enhancement film according to any one of claims 1 to 9 is characterized by comprising the following steps: The method comprises the steps of 1, placing a reflection film device which is required to be tested and is stuck with a brightness enhancement film at the upper end of a test platform (8), sealing the upper end of a test shell (5) through a sealing cover (7) after the placement is finished, and positioning the sealing shell (7) through a locking piece (6) after the sealing is finished; Step 2, after the device is placed, controlling the first button cap (25) to rotate so as to drive the first threaded rod (24) to rotate, and driving the piston plate (22) to move in the rotating process of the first threaded rod (24), wherein in the moving process of the piston plate (22), the interior of the test shell (5) is vacuumized, so that the internal pressure of the test shell (5) is reduced; Step 3, when the internal pressure of the test shell (5) is reduced, the movable column (33) is pressed by the external atmospheric pressure and moves towards the inside of the test shell (5), and the telescopic spring (31) is compressed in the process; Step4, a worker controls the second threaded rod (45) to rotate, so that the indication assembly (43) moves towards the direction of the moving column (33), and after the conductive plate (4314) contacts with the top end of the moving column (33), the indication lamp (4312) is lightened, and the rotation of the second threaded rod (45) is stopped to perform a test; And 5, after a specified test period, observing the deviation between the indication needle (431) and the indication lamp (4312) when the indication needle is lighted, analyzing the test result, and judging the sealing effect based on the analysis result.

Description

Bonding air tightness detection device of brightness enhancement film reflecting film and test method thereof Technical Field The invention relates to a bonding air tightness detection device and a testing method of a brightness enhancement film, in particular to a bonding air tightness detection device and a testing method of a brightness enhancement film, and belongs to the technical field of performance testing of brightness enhancement film reflection films. Background The device is a special device for detecting whether gas leakage exists after the light enhancement film is attached to the reflecting film, and is mainly applied to quality control of photoelectric products such as backlight modules; The device generally includes sealed test chamber, pressure sensor, gas steady voltage system and data acquisition module, through filling stable atmospheric pressure to diaphragm subassembly one side after laminating, whether there is pressure variation in the monitoring opposite side to judge whether the gas tightness of laminating interface meets the standard. The detection mode can effectively identify the problems of poor lamination, air bubbles or sealant failure and the like, and ensures the structural integrity and long-term stability of the optical membrane; The existing equipment for testing through optical and electronic instruments is high in cost, and in the testing process, due to dust and air humidity in the testing environment, a certain influence is caused on the testing result, and the problem of inaccurate testing result is caused, so that the attaching air tightness detection device of the reflection film of the brightness enhancement film and the testing method thereof are required to be improved, and the problems are solved. Disclosure of Invention The invention aims to provide a bonding air tightness detection device and a testing method of a brightness enhancement film reflecting film, which are used for solving the problems that the existing equipment for testing by optical and electronic instruments has high cost, and in the testing process, dust and air humidity in a testing environment can cause certain influence on a testing result, so that the testing result is inaccurate. In order to achieve the above purpose, the present invention provides the following technical solutions: A device and a method for detecting the attaching air tightness of a reflection film of a brightness enhancement film comprise a fixed base, a test shell, a locking piece and a sealing cover, wherein the upper end of the fixed base is fixedly connected with the test shell, the middle of the inside of the test shell is provided with the test platform, one side of the test shell is rotatably connected with the sealing cover, the other end of the test shell is provided with the locking piece used for positioning the sealing cover, the two ends of the test shell are respectively provided with a negative pressure air suction unit and a marking assembly, one side of the marking assembly is provided with an observation assembly, both sides of the test platform are provided with dust removal and dehumidification assemblies, the negative pressure air suction unit comprises a negative pressure shell, a piston plate is connected to the inside of the negative pressure shell in a sliding manner, a first threaded rod is connected to the middle of one end of the piston plate in a rotating manner, the outer side of the first threaded rod is spirally connected with a fixing frame, the other end of the first threaded rod is fixedly connected with a first button cap, the marking assembly comprises a telescopic spring, one end of the telescopic spring is fixedly connected with a moving plate, the middle of the moving plate is fixedly connected with a moving column, one end of the moving column is connected to the outer side of the moving column, one end of the observing plate is slidingly connected with the fixing column shell, the observation plate comprises a negative pressure air suction plate, the observation plate is arranged on the outer side of the end of the first end of the rotating column is connected with the fixing column, the side, the negative pressure plate is connected with a sliding inside of a fixing frame, and comprises a negative pressure. Preferably, the negative pressure shell is fixedly connected to the inner side of one end of the test shell, the vertical projection of the fixing frame is U-shaped, and one end of the fixing frame is fixedly connected with the negative pressure shell through a bolt. Preferably, fixed connection between the telescopic spring other end and the test shell, it is inside telescopic spring to remove the post setting, it sets up for the arc to remove post one end, and removes the post arc and set up the end and be the electrically conductive material of metal, fixed column shell fixed connection is in test shell one end. Preferably, the observation plate comprises a plate body,