Curved PCB Bending Test Apparatus with Movable Support Rods
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Solution Overview
Problem
Existing manual bending tests for printed circuit boards in curved displays are inefficient and lack precision, particularly for ensuring the reliability of components on curved panels.
Innovation Solution
A circuit board testing apparatus with a base frame, carrying platform, and supporting components that allow for controlled bending and deformation of printed circuit boards using driving members, enabling high-efficiency testing and adjustable bending degrees through controlled movement of supporting rods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual bending test is used for printed circuit board, then test operation is simple, but testing efficiency is low
Solution Approach 1:
The supporting rods are designed to be movable rather than fixed, allowing them to dynamically adjust their positions to apply bending forces to the printed circuit board. The driving members enable these rods to move along guide grooves, creating a dynamic testing system that automates the bending process while maintaining operational flexibility.
Solution Approach 2:
The driving members are configured as pneumatic or hydraulic actuators that convert gas or liquid pressure into mechanical motion. This allows the supporting rods to be automatically positioned and moved to apply controlled bending forces to the printed circuit board, significantly improving testing efficiency while reducing manual intervention.
2Reliability
If printed circuit board is bent for curved display application, then reliability of components is improved, but manufacturing precision requirement increases
Solution Approach 1:
The bending test is divided into multiple discrete steps with multiple supporting rods positioned at different locations along the printed circuit board. Each rod can be independently controlled to apply bending at specific segments, allowing precise control over the bending process and ensuring uniform stress distribution across different regions of the board.
Solution Approach 2:
The system allows for controlled variation of bending parameters including the position, movement distance, and speed of each supporting rod. By precisely controlling these parameters, the apparatus can apply the exact bending forces needed to test component reliability while maintaining manufacturing precision through automated control.
3Measurement precision
If multiple supporting rods are used for bending test, then testing accuracy is improved, but device complexity increases
Solution Approach 1:
Multiple supporting rods are designed with identical structures and functions, each capable of independent movement along its guide groove. This modular design allows the same component type to serve multiple testing positions, improving measurement accuracy through simultaneous multi-point bending while managing complexity through standardization and repetition of proven components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus significantly enhances testing efficiency and accuracy by allowing multiple cycles of bending and straightening, ensuring reliable testing of printed circuit boards for curved applications, improving detection and yield.
Implementation Method 1
the driving member drives the supporting rod to move in the direction perpendicular to the upper surface, making the different movement by the plurality of the supporting rods, to fit the printed circuit board and the carrying curved surface to each other, and makes the printed circuit board bending and deformation
Data Source
AI summary
The present application discloses a circuit board testing apparatus to the printed circuit board, including: a base frame; a carrying platform located on the upper surface of the base frame, the carrying platform including a carrying curved surface, a first distance is formed between the central portion of the carrying curved surface and the upper surface of the base frame, a second distance is formed between the two terminals of the carrying curved surface and the upper surface of the base frame, the second distance is greater than the first distance; and a plurality of supporting components disposed in intervals, each of the supporting components including a supporting rod and a driving member, the driving member is fixed on the base frame, the supporting rods pass through the carrying curved surface, the driving member drives the supporting rod to move in the direction perpendicular to the upper surface, and makes the printed circuit board bending and deformation.