Tape Detection Using Light Transmission and Cavity Interval Calculation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing automatic detection devices for tape require complex configurations involving multiple optical sensors, making them inefficient and in need of a simpler solution for detecting tape information.
Innovation Solution
An automatic detection device that determines the tape reference position and calculates the interval between cavities using light amount detection, reducing cycle time and improving production efficiency by simplifying the detection process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple optical sensors are used to detect tape information, then detection accuracy is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple optical sensors into a single integrated sensor unit that can detect multiple tape parameters simultaneously. This merging approach maintains detection accuracy while reducing device complexity by eliminating the need for separate sensors for each measurement point.
Solution Approach 2:
The optical sensor is designed with multi-functional capability to detect various tape information including cavity position, component presence, and tape alignment using a single device. This universal sensor replaces multiple specialized sensors, achieving both high detection accuracy and simplified configuration.
2Reliability
If multiple optical sensors are deployed for comprehensive tape detection, then detection completeness is improved, but production efficiency deteriorates
Solution Approach 1:
The optical sensor system operates continuously during tape feeding without requiring multiple discrete detection steps. The single integrated sensor performs all detection functions in one continuous operation, maintaining complete detection coverage while improving production efficiency by eliminating sequential detection delays.
Solution Approach 2:
The sensor system performs preliminary detection of all tape parameters simultaneously before the tape processing begins. This preliminary comprehensive detection ensures complete information gathering without requiring multiple subsequent detection operations, thereby improving production efficiency while maintaining detection reliability.
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 device effectively detects tape information with a simpler configuration, reducing cycle time and enhancing production efficiency in applications like automatic splicing and tape setting devices.
Implementation Method 1
light amount detection devices (52, 53) that transmit light through carrier tapes (Tc) and detect the transmitted light amounts
Data Source
Figure 1
Figure 2~3B
Figure 3C~4
AI summary
A control device (59) determines tape reference positions having a fixed positional relationship with first origin positions based on first positions of tape feeding devices (50 and 51) when leading ends of carrier tapes (Tc) are detected and the first origin positions of the tape feeding devices (50 and 51) immediately before leading end detection. Then, after determination of the tape reference positions, an interval between cavities (Ct) is calculated based on a detection cycle of transmitted light amounts detected by light being transmitted through empty cavities (Ct). In addition, when a phenomenon, in which a detected light amount is equal to or smaller than a threshold (La), consecutively occurs after calculation of the interval between the cavities (Ct), it is detected that components (e) are accommodated in the cavities (Ct) .