Programmable Sensor for Textile Yarn Feed Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing yarn feed control sensors for textile machines are limited in their ability to operate independently without a separate control unit and cannot be easily adapted to different yarn types or sections, leading to increased costs and complexity for users.
Innovation Solution
A sensor with a microprocessor-controlled unit and memory for storing multiple algorithms, allowing users to select operating modes based on yarn characteristics, enabling independent operation and adaptation to various yarn types without additional control devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate yarn feed control device is connected to the sensor, then the sensor can control yarn feed accurately, but the device complexity and cost increase
Solution Approach 1:
The patent combines the sensor and control unit into a single integrated device. The control unit is positioned within the sensor housing and communicates with the sensor's detection means, eliminating the need for separate control devices while maintaining accurate yarn feed control capability.
Solution Approach 2:
The integrated sensor-control unit can operate independently as a universal control device for yarn feed. It incorporates multiple functions including detection, processing, and control within one unit, making it applicable to various textile machines without requiring machine-specific electronic modifications.
2Manufacturing precision
If the sensor is designed for specific yarn types, then the control precision improves, but the adaptability to different yarn types decreases
Solution Approach 1:
The control unit incorporates programmable algorithms that can be dynamically adjusted based on yarn characteristics. The system can switch between different control modes (e.g., tension control, speed control) and adapt parameters such as sensitivity thresholds and response characteristics to match different yarn types, maintaining precision across variations.
Solution Approach 2:
The patent implements adjustable control parameters including sensitivity settings, response times, and control algorithms that can be modified according to yarn section, material, and processing conditions. This allows the same sensor to maintain optimal control precision across different yarn types by changing operational parameters rather than hardware configuration.
3Ease of manufacture
If the textile machine electronics are modified to accommodate the sensor, then the integration is seamless, but the cost and complexity of the machine increase
Solution Approach 1:
The integrated sensor-control unit is designed as a self-contained system that performs detection, data processing, and control functions independently. It includes its own microprocessor, memory for storing control algorithms, and output interfaces that directly control the textile machine's yarn feed mechanism, eliminating the need for modifications to the machine's existing electronic system.
Data Source
Figure 1~3
Figure 2
AI summary
Sensor (1 ) for controlling thread or yarn (F) feed to a textile machine (T) comprising a body or casing (2) suitable for being arranged on a support of the machine (T) or positioned near to it and having detection means (4) suitable for detecting at least one feed characteristic of the yarn (F) to said machine. In the casing or body (2) of the sensor, means (10) are provided for control of said detection and suitable for modifying the modes of said control according to a plurality of control algorithms stored in memory means (11) associated with said casing (2); associated with the latter, selector means (13) are also provided suitable for allowing a user to choose one of said algorithms, thus selecting the desired operating mode of the sensor during its yarn feed control. The method for selecting said desired sensor operating mode is also claimed.