Structure suitable for preventing film tearing failure of backlight machine module
By using a combined structure of tape roller, reflective sticker and fiber sensor during the film tearing of the backlight machine module, the error alarm problem caused by inaccurate tape flow judgment is solved, and higher reliability and accuracy are achieved.
Patent Information
- Application Number
- CN202420552218.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-20
AI Technical Summary
In the prior art, during the film tearing of the backlight machine module, it is difficult for the sensor to accurately determine whether the tape flows normally, resulting in frequent false alarms.
A structure is designed, including tape rollers, reflective stickers and fiber optic sensors. The rotation of the tape roller drives the reflective stickers to rotate. Each rotation of the reflective stickers triggers the optical fiber sensor to determine whether the tape flows normally.
Through this structure, it is possible to accurately determine whether the tape flows normally, avoid false alarms caused by the tape stop, and improve the reliability of the film tearing process.
Smart Images
Figure CN222590949U_ABST
Abstract
Description
[Technical field]
[0001] The utility model relates to the technical field of module film tearing, in particular to a structure suitable for preventing the failure of film tearing of a backlight module. [Background technology]
[0002] In the prior art backlight module film tearing process, a sensor is usually set at the film tearing location to sense whether the protective film of the module has been successfully torn off by the flowing tape. Once the tape does not flow normally, the film tearing is always sensed to be normal, but the product without the torn film actually flows into the next link, causing frequent abnormal alarms. [Utility Model Content]
[0003] In order to overcome the above problems, the utility model proposes a structure suitable for preventing the backlight module from failing due to film tearing, which can effectively solve the above problems.
[0004] The utility model provides a technical solution to solve the above technical problems: providing a structure suitable for preventing the failure of film tearing of the backlight module, including a mounting plate, a tape roller is arranged on the side of the mounting plate, a roll of tape is arranged on the tape roller, a reflective sticker is affixed to the side of the root of the tape roller, a sensing bracket is arranged on the side of the mounting plate, a fiber optic sensor is connected to the sensing bracket, the position of the fiber optic sensor corresponds to the position of the reflective sticker; the reflective sticker is square with a side length of 2mm.
[0005] Preferably, a power roller and a tension roller are provided on the side of the mounting plate, and the roll-shaped adhesive tape is wound around the side of the power roller and the tension roller.
[0006] Preferably, the power roller is connected to a motor, and the motor drives the power roller to rotate.
[0007] Preferably, the sensing bracket comprises a connecting plate, a fixing hole is formed on the connecting plate, and the fixing hole is fixed to the side of the mounting plate by screws.
[0008] Preferably, a support plate is vertically and integrally formed on one side of the connecting plate, and the optical fiber sensor is connected to the support plate.
[0009] Preferably, a plurality of sensing connection holes are provided on the support plate, the plurality of sensing connection holes are arranged in a row, and the optical fiber sensor is fixedly connected to one of the sensing connection holes.
[0010] Compared with the prior art, the utility model is suitable for preventing the failure of film tearing of the backlight module. When the tape is tearing the film during normal flow, the tape roller rotates, driving the reflective sticker to rotate. Each rotation of the reflective sticker triggers the optical fiber sensor once, thereby judging that the tape is flowing normally. Combined with the sensing at the film tearing point, false alarms caused by tape stopping can be effectively avoided.
Brief Description of the Drawings
[0011] Figure 1 A three-dimensional diagram of the structure of the utility model for preventing the failure of film tearing of the backlight module;
[0012] Figure 2 for Figure 1 Enlarged view of point A in the middle. [Specific implementation method]
[0013] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0014] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are limited to relative positions on the specified view rather than absolute positions.
[0015] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0016] See also Figure 1 and Figure 2 The utility model is suitable for preventing the backlight module from tearing film failure, including a mounting plate 10, a tape roller 20 is arranged on the side of the mounting plate 10, a roll of tape is arranged on the tape roller 20, a reflective sticker 21 is affixed to the root side of the tape roller 20, a sensing bracket 30 is arranged on the side of the mounting plate 10, a fiber optic sensor 322 is connected to the sensing bracket 30, and the position of the fiber optic sensor 322 corresponds to the position of the reflective sticker 21.
[0017] When the tape is being torn off during normal flow, the tape roller 20 rotates, driving the reflective sticker 21 to rotate. Each rotation of the reflective sticker 21 triggers the optical fiber sensor 322, thereby determining that the tape is flowing normally. This, combined with the sensing at the tearing point, can effectively avoid false alarms caused by tape stopping.
[0018] The reflective sticker 21 is square with a side length of 2 mm, which is of appropriate size and will not be blocked by the roll of tape, while ensuring that it can be sensed by the optical fiber sensor 322.
[0019] The side of the mounting plate 10 is provided with a power roller 11 and a tension roller 12 , and the roll-shaped adhesive tape is wound around the sides of the power roller 11 and the tension roller 12 for effective transmission.
[0020] The power roller 11 is connected to a motor, and the motor drives the power roller 11 to rotate.
[0021] The sensing bracket 30 includes a connecting plate 31 , and a fixing hole 311 is formed on the connecting plate 31 . The fixing hole 311 is fixed to the side of the mounting plate 10 by screws.
[0022] A support plate 32 is vertically and integrally formed on one side of the connecting plate 31 , and the optical fiber sensor 322 is connected to the support plate 32 .
[0023] The support plate 32 is provided with a plurality of sensing connection holes 321, and the plurality of sensing connection holes 321 are arranged in a row, and the optical fiber sensor 322 is fixedly connected to one of the sensing connection holes 321. The position of the optical fiber sensor 322 can be easily adjusted by providing a row of sensing connection holes 321, so that the optical fiber sensor 322 can be better aligned with the reflective sticker 21.
[0024] Compared with the prior art, the utility model is suitable for preventing the failure of film tearing of the backlight module. When the tape is tearing the film during normal flow, the tape roller 20 rotates, driving the reflective sticker 21 to rotate. Each rotation of the reflective sticker 21 triggers the optical fiber sensor 322 once, thereby judging that the tape is flowing normally. Combined with the sensing at the film tearing point, false alarms caused by tape stopping can be effectively avoided.
[0025] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any modifications, equivalent substitutions and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.
Claims
1. A structure suitable for preventing the failure of backlight module film tearing, characterized in that: It comprises a mounting plate, a tape roller is arranged on the side of the mounting plate, a roll of tape is arranged on the tape roller, a reflective sticker is affixed to the side of the root of the tape roller, a sensing bracket is arranged on the side of the mounting plate, a fiber optic sensor is connected to the sensing bracket, and the position of the fiber optic sensor corresponds to the position of the reflective sticker; The reflective sticker is square with a side length of 2 mm.
2. The structure for preventing the failure of backlight module film tearing as claimed in claim 1, characterized in that: The side of the mounting plate is provided with a power roller and a tension roller, and the roll-shaped adhesive tape is wound around the side of the power roller and the tension roller.
3. The structure for preventing the failure of backlight module film tearing as claimed in claim 2, characterized in that: The power roller is connected to a motor, and the motor drives the power roller to rotate.
4. The structure for preventing the failure of backlight module film tearing as claimed in claim 1, characterized in that: The induction bracket comprises a connecting plate, a fixing hole is formed on the connecting plate, and the fixing hole is fixed to the side of the mounting plate by screws.
5. The structure for preventing the backlight module from tearing off the film as claimed in claim 4, characterized in that: A support plate is vertically and integrally formed on one side of the connection plate, and the optical fiber sensor is connected to the support plate.
6. The structure for preventing the failure of backlight module film tearing as claimed in claim 5, characterized in that: The support plate is provided with a plurality of sensing connection holes, the plurality of sensing connection holes are arranged in a row, and the optical fiber sensor is fixedly connected in one of the sensing connection holes.