Foreign matter detection mechanism for mobile phone battery compartment
By combining linear scanning with tilt scanning and a brake stepper motor, the blind spot problem in battery compartment inspection has been solved, achieving blind spot-free inspection and improving inspection accuracy and equipment performance.
Patent Information
- Application Number
- CN202520039065.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-08
AI Technical Summary
The existing battery compartment detection has blind spots, which leads to misjudgments and affects the equipment yield. In addition, the ratio of flat scan to oblique scan is inconsistent.
It employs a combination of linear and oblique scanning methods, along with 3D modeling and a braked stepper motor, to ensure consistent working distances for both horizontal and oblique scanning. Foreign object detection is performed using a 3D camera module and a color sensor.
It achieves blind-zone-free detection, improves equipment performance, reduces false positives, and enhances the accuracy and consistency of detection.
Smart Images
Figure CN223796427U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of foreign object detection technology in battery compartments, specifically relating to a foreign object detection mechanism for mobile phone battery compartments. Background Technology
[0002] With the advancement of technology and the development of society, various electronic devices such as smartphones, tablets, and laptops have become deeply integrated into all aspects of people's daily lives. As people's needs continue to increase, the types of electronic devices are becoming more and more diverse, and the pace of upgrading is accelerating. At the same time, this has placed higher demands on the precision and automation of the assembly process of electronic devices.
[0003] Currently, existing methods for detecting rectangular recesses in battery compartments have a blind spot at one corner, which poses a significant safety hazard. The different magnification ratios of flat and oblique scans can lead to misjudgments and affect equipment yield. To address this, we propose a foreign object detection mechanism for mobile phone battery compartments. Utility Model Content
[0004] The purpose of this invention is to provide a foreign object detection mechanism for mobile phone battery compartments to solve the existing problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a foreign object detection mechanism for a mobile phone battery compartment, comprising a mounting bracket, a 3D camera module, and a brake stepper motor. A scanning Y-axis is fixedly mounted on one side of the top of the mounting bracket, a 3D camera module is disposed on one side of the scanning Y-axis, a mounting plate is disposed on one side of the 3D camera module, and the 3D camera module is fixedly mounted on the scanning Y-axis via the mounting plate. A 3D camera is disposed at the bottom of one side of the mounting plate, and a brake stepper motor is disposed on one side of the middle of the mounting plate. The brake stepper motor is fixedly mounted on one side of the mounting plate via a mounting bracket.
[0006] Preferably, a color sensor module is provided on one side of the 3D camera module, and the color sensor module is fixedly installed on the bottom side of the 3D camera module.
[0007] Preferably, a connecting plate is provided at the bottom of the side of the mounting plate where the 3D camera is located, and the 3D camera is connected to the mounting plate through the connecting plate.
[0008] Preferably, the output shaft end of the brake stepper motor is fixedly connected to the connecting plate, and the connecting plate is sleeved on the outer periphery of the output shaft end of the brake stepper motor and fixedly connected to it.
[0009] Compared with the prior art, the beneficial effects of this utility model are:
[0010] 1. By using a combination of linear and oblique scanning, the scanning process is guaranteed to be free of blind spots. A rotation center is simulated using 3D modeling, ensuring that the working distances of horizontal and oblique scanning are the same, and that the ratio of foreign objects removed by horizontal and oblique scanning is the same, thus improving equipment performance.
[0011] 2. By adopting a stepper motor with brake directly connected to the 3D camera rotation mode, the direct motor connection eliminates the backlash caused by the reducer, and the brake is opened during normal movement to prevent motor vibration during line scanning. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0013] Figure 2 This is a schematic diagram of the 3D camera module structure of this utility model.
[0014] In the diagram: 1. Mounting bracket; 2. Y-axis scanning module; 3. 3D camera module; 4. Color sensor module; 5. Mounting plate; 6. Connecting plate; 7. 3D camera; 8. Brake stepper motor. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Please see Figure 1-2 This utility model provides a technical solution for a foreign object detection mechanism for a mobile phone battery compartment: it includes a mounting bracket 1, a 3D camera module 3, and a brake stepper motor 8. A scanning Y-axis 2 is fixedly mounted on one side of the top of the mounting bracket 1. A 3D camera module 3 is provided on one side of the scanning Y-axis 2. A mounting plate 5 is provided on one side of the 3D camera module 3. The 3D camera module 3 is fixedly mounted on the scanning Y-axis 2 through the mounting plate 5. A 3D camera 7 is provided at the bottom of one side of the mounting plate 5. A brake stepper motor 8 is provided on one side of the middle of the mounting plate 5. The brake stepper motor 8 is fixedly mounted on one side of the mounting plate 5 through a mounting bracket.
[0017] Specifically, a color sensor module 4 is provided on one side of the 3D camera module 3, and the color sensor module 4 is fixedly installed on the bottom side of the 3D camera module 3.
[0018] Specifically, a connecting plate 6 is provided at the bottom of one side of the mounting plate 5 where the 3D camera 7 is located, and the 3D camera 7 is connected to the mounting plate 5 through the connecting plate 6.
[0019] Specifically, the output shaft end of the brake stepper motor 8 is fixedly connected to the connecting plate 6, and the connecting plate 6 is sleeved on the outer periphery of the output shaft end of the brake stepper motor 8 and fixedly connected to it.
[0020] In this embodiment, the mounting bracket 1 is installed on the equipment. The color sensor module 4 and the 3D camera module 3 are mounted together on the scanning Y-axis 2 on one side of the top of the mounting bracket 1. The scanning Y-axis 2 drives the color sensor module 4 and the 3D camera module 3 to move together, so that the color sensor module 4 and the 3D camera module 3 follow the scanning Y-axis 2 to perform 3D foreign object detection and fixed point movement on the product according to fixed steps, and to detect the presence or absence of release film. By installing a brake stepper motor 8 in the 3D camera module 3, and using a connecting plate 6 to connect the 3D camera 7 to the output shaft end of the brake stepper motor 8, the 3D camera 7 can perform horizontal and oblique scanning of the product according to the angle under the drive of the brake stepper motor 8. This ensures that the working distance of horizontal and oblique scanning is the same, and the ratio of foreign objects swept horizontally and obliquely is the same, thus improving the performance of the equipment.
[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A foreign object detection mechanism for a mobile phone battery compartment, comprising a mounting bracket (1), a 3D camera module (3), and a brake stepper motor (8), characterized in that: A scanning Y-axis (2) is fixedly mounted on one side of the top of the mounting bracket (1). A 3D camera module (3) is provided on one side of the scanning Y-axis (2). A mounting plate (5) is provided on one side of the 3D camera module (3). The 3D camera module (3) is fixedly mounted on the scanning Y-axis (2) through the mounting plate (5). A 3D camera (7) is provided at the bottom of one side of the mounting plate (5). A brake stepper motor (8) is provided on one side of the middle of the mounting plate (5). The brake stepper motor (8) is fixedly mounted on one side of the mounting plate (5) through a mounting bracket.
2. The foreign object detection mechanism for a mobile phone battery compartment according to claim 1, characterized in that: A color sensor module (4) is provided on one side of the 3D camera module (3), and the color sensor module (4) is fixedly installed on the bottom side of the 3D camera module (3).
3. The foreign object detection mechanism for a mobile phone battery compartment according to claim 1, characterized in that: The mounting plate (5) has a connecting plate (6) at the bottom of one side where the 3D camera (7) is located, and the 3D camera (7) is connected to the mounting plate (5) through the connecting plate (6).
4. The foreign object detection mechanism for a mobile phone battery compartment according to claim 1, characterized in that: The output shaft end of the brake stepper motor (8) is fixedly connected to the connecting plate (6), and the connecting plate (6) is sleeved on the outer periphery of the output shaft end of the brake stepper motor (8) and fixedly connected to it.