Fishing Reel Backlash Correction Status Detection
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Solution Overview
Problem
Existing fishing reels lack the ability to accurately determine the occurrence and history of backlash, relying solely on user memory for correction, which hinders effective backlash management and usage of correction results.
Innovation Solution
A fishing reel equipped with a spool, operation portion, rotation detector, and determination portion that detects and displays backlash correction status, including time spent and ratio of cumulative time, allowing for precise backlash detection and adaptive braking force adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a braking function is added to reduce backlash, then backlash is reduced, but it becomes difficult to control braking force as flying distance decreases
Solution Approach 1:
The braking force is made dynamically adjustable based on casting conditions. The system automatically changes braking force according to the relationship between spool rotation speed and fishing line unwinding speed, providing strong braking when needed (high speed casting) and reduced braking when flying distance is short, thus resolving the control difficulty
Solution Approach 2:
The braking parameter is changed based on detected casting parameters (spool rotation speed, unwinding speed). The system adjusts the braking force parameter dynamically to match casting conditions, enabling appropriate braking control across different flying distances and casting speeds
2Adaptability or versatility
If tension-related information is acquired to correct braking parameters, then braking parameter correction is enabled, but it remains impossible to determine whether backlash has actually occurred
Solution Approach 1:
The system replaces subjective user judgment with objective sensor-based detection. By using sensors to detect spool rotation speed and fishing line unwinding speed, and comparing these parameters against predetermined thresholds, the system objectively determines whether backlash has occurred, eliminating reliance on user memory
Solution Approach 2:
The system establishes a feedback loop where backlash occurrence is detected through parameter comparison, correction operations are executed, and the results are stored and displayed. This feedback mechanism enables continuous monitoring and verification of backlash correction effectiveness
3Device complexity
If user memory is relied upon for backlash judgment, then no additional detection mechanisms are needed, but users cannot check backlash history or make effective use of correction results
Solution Approach 1:
The system creates a digital copy of backlash occurrence information by storing detection results in memory. This recorded information can be retrieved and displayed later, allowing users to review backlash history and correction results without relying on memory, while adding only minimal detection components
Data Source
AI summary
A fishing reel according to an embodiment of the present disclosure is configured to include a spool capable of winding a fishing line, an operation portion that rotates the spool, a rotation detector that detects the rotation of the spool, and a determination portion that determines the backlash correction status from the output of the rotation detector.