Automatic single-point electronic ink screen inspection camera obscura
By using an automated single-point e-ink screen inspection dark box, and through the cooperation of sliding and lifting actuators, the problems of light leakage and detection deviation caused by manual operation are solved, achieving efficient and accurate detection of e-ink screens.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TPV ELECTRONICS (FUJIAN) CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-04-21
AI Technical Summary
In existing technologies, the problems of light leakage and detection area deviation caused by manually pushing and pulling the display platform during e-ink screen testing have not been effectively solved.
An automatic single-point electronic ink screen inspection dark box is adopted. The sliding drive and lifting drive are used to achieve precise positioning of the holding stage and precise position control of the probe. Combined with the closed dark inspection environment, light leakage is eliminated and the probe is prevented from contacting the screen surface.
It achieves accuracy and consistency in the detection of e-ink screens, avoids detection errors caused by manual operation, and improves the detection effect.
Smart Images

Figure CN224151990U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic ink screen inspection dark box technology, specifically to an automatic single-point electronic ink screen inspection dark box. Background Technology
[0002] In existing technologies, the cool and warm light of the e-ink screen is inspected and adjusted using a probe in a dark environment (dark chamber). Because the e-ink screen on the tray needs to be changed frequently, manually pushing and pulling the tray can easily lead to light leakage and detection area deviation due to the tray not being pushed into place. Summary of the Invention
[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an automatic single-point electronic ink screen inspection dark box.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] An automatic single-point e-ink screen inspection dark box includes a dark box body with a dark inspection space inside. A guide rail is fixed to the bottom inner side of the dark box body, and a holding platform for placing the e-ink screen is slidably connected to the guide rail. An opening is provided on the front wall of the dark box body corresponding to the guide rail position. The holding platform is driven by a sliding driver to slide on the guide rail to enter and exit the opening. A sealing plate is fixed to the end of the holding platform on the outside of the dark box body, which can completely cover the opening. An inspection probe is provided at the inspection station inside the dark box body, and the inspection probe is driven to move up and down by a lifting driver.
[0006] Furthermore, the stopping of the container platform after it has moved into position is controlled by a position-sensing open-feedback sliding actuator; the stopping of the detection probe after it has risen and fallen into position is controlled by a position-sensing open-feedback lifting actuator.
[0007] Furthermore, the sliding actuator and the lifting actuator are respectively cylinders.
[0008] Furthermore, the main body of the dark box is provided with an inspection port on its side wall, and the inspection port is provided with a detachable inspection window.
[0009] Furthermore, the holding platform is equipped with a sensor (which may be a photoelectric sensor) for detecting whether the electronic ink screen is in position.
[0010] Furthermore, a sealing element is provided on the inner side of the sealing plate.
[0011] This utility model adopts the above technical solution, using an overall enclosed box to create a dark detection environment, and using a sliding actuator (cylinder) to replace manual pushing and pulling of the holding platform, eliminating light leakage caused by manual failure to push it into place, which affects the detection effect; and using a lifting actuator (cylinder) to drive the probe down to a suitable position, avoiding the probe from being too close to the electronic ink screen during detection. Attached Figure Description
[0012] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the internal structure of this utility model. Detailed Implementation
[0015] like Figure 1-2 As shown, the automatic single-point electronic ink screen inspection dark box of this utility model includes a dark box body 1. The board material used for the dark box body 1 is black anti-static bakelite, creating a dark inspection space inside the dark box body 1.
[0016] The bottom inner side of the dark box body 1 is fixed with a guide rail 2. A holding platform 3 for placing the e-ink screen is slidably connected on the guide rail 2. The holding platform 3 is equipped with a sensor for detecting whether the e-ink screen is in place. The sensor can be a photoelectric sensor. Photoelectric sensors are existing products, and their working principle will not be described in detail.
[0017] An opening 13 is provided on the front wall of the darkroom body 1, corresponding to the guide rail 2. The holding platform 3 is driven by a sliding actuator (located below the holding platform 3) to slide on the guide rail 2 to enter and exit the opening 13. A sealing plate 4 is fixed at the end of the holding platform 3, located on the outside of the darkroom body 1. The sealing plate 4 can completely cover the opening 13. In order to avoid light leakage, a sealing element is provided on the inside of the sealing plate 4. The sealing element can be a sealing strip. When the sealing plate 4 is in contact with the darkroom body 1, the sealing strip is squeezed to achieve a seal. A detection probe 5 is provided on the detection station inside the darkroom body 1. The detection probe 5 is driven to rise and fall by a lifting actuator 6.
[0018] Among them, the sliding actuator and the lifting actuator 6 are cylinders.
[0019] The loading platform 3 is pushed out by a sliding actuator (cylinder) to the loading / unloading station outside the main body of the dark box 1 for loading and unloading. Simultaneously, the sliding actuator (cylinder) pulls it in to the inspection station of the main body of the dark box 1 for inspection. The stopping of the loading platform 3 after it has moved into position is controlled by a position-sensing open-feedback sliding actuator in a closed loop, achieving precise automatic positioning of the loading platform 3. The stopping of the detection probe 5 after it has risen and fallen into position is also controlled by a position-sensing open-feedback lifting actuator 6. After the loading platform 3 is in position, the detection probe 5 descends to the predetermined position to begin inspection; after inspection, it retracts to its original position. The position sensing switch used above can be a magnetic switch, a mechanical limit switch, or a photoelectric sensor, all of which are existing technologies and will not be elaborated upon.
[0020] For ease of maintenance, an inspection port 11 is provided on the side wall of the main body 1 of the darkroom. A detachable inspection window panel 7 is provided on the inspection port 11, and the inspection window panel 7 is detachably fixed to the inspection port 11 by screws. In addition, a flange edge 12 is provided around the inspection window, which facilitates the installation of the inspection window panel and also prevents light leakage.
[0021] The specific embodiments of this utility model have been described above. However, those skilled in the art should understand that this is only an example. Those skilled in the art can make various changes or modifications to this embodiment without departing from the principle and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.
Claims
1. An automatic single-point electronic ink screen inspection dark box, comprising a dark box main body, the inside of the dark box main body is a dark detection space, characterized in that: The bottom inner side of the dark chamber body is fixed with a guide rail, and a holding platform for placing an e-ink screen is slidably connected on the guide rail. An opening is provided on the front wall of the dark chamber body corresponding to the guide rail position. The holding platform is driven by a sliding driver to slide on the guide rail to enter and exit the opening. A sealing plate is fixed at the end of the holding platform on the outside of the dark chamber body, which can completely cover the opening. A detection probe is provided at the detection station inside the dark chamber body. The detection probe is driven to rise and fall by a lifting driver.
2. The automatic single-point electronic ink screen inspection darkroom according to claim 1, characterized in that: The stopping of the container platform after it has moved into position is controlled by a position-sensing open-feedback sliding actuator; the stopping of the detection probe after it has risen and fallen into position is controlled by a position-sensing open-feedback lifting actuator.
3. The automatic single-point electronic ink screen inspection darkroom according to claim 1 or 2, characterized in that: The sliding actuator and the lifting actuator are both cylinders.
4. The automatic single-point electronic ink screen inspection darkroom of claim 1, wherein: The main body of the dark box is provided with an inspection port on its side wall, and the inspection port is provided with a detachable inspection window panel.
5. The automatic single-point electronic ink screen inspection darkroom of claim 1, wherein: The display platform is equipped with a sensor for detecting whether the e-ink screen is in position.
6. The automatic single-point electronic ink screen inspection darkroom of claim 1, wherein: The inner side of the sealing plate is provided with a sealing element.