Acoustic Sensor Integration in Ring Spinning Separators
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Solution Overview
Problem
Existing ring spinning machines face challenges in accessibility of spinning rings and protection of sensors, particularly due to the weight and proximity requirements of inductive sensors, which limit flexibility and increase complexity.
Innovation Solution
Acoustic sensors are integrated into separators, allowing for greater distance from spinning rings and reduced weight, enhancing accessibility and flexibility while providing protection against accidental contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If inductive sensors are used to detect ring traveler movement, then measurement precision is improved, but device complexity and weight increase
Solution Approach 1:
The patent replaces inductive sensors (electromagnetic field-based) with acoustic sensors (sound wave-based) for detecting ring traveler movement. This substitution reduces sensor weight and complexity while maintaining detection capability, as acoustic sensors do not require heavy field-generating coils and can operate at greater distances from the spinning ring.
2Measurement precision
If inductive sensors are placed close to spinning rings for accurate detection, then measurement precision is improved, but accessibility to spinning rings deteriorates
Solution Approach 1:
By substituting inductive sensors with acoustic sensors, the system allows sensors to be positioned on the separator at a greater distance from the spinning ring. Acoustic sensors can detect ring traveler movement through sound waves without requiring proximity, thus maintaining measurement precision while improving operator accessibility to the spinning ring for tasks like re-piecing.
3Ease of operation
If sensors are attached to a separate axis, then accessibility is improved, but device complexity increases
Solution Approach 1:
The patent merges the sensor mounting function with the existing separator structure. Instead of attaching sensors to a separate axis or holder, the sensors are integrated directly onto the separator, which already serves as a structural component. This eliminates the need for additional holders or mounting mechanisms, reducing device complexity while maintaining accessibility.
4Weight of moving object
If acoustic sensors are used instead of inductive sensors, then weight is reduced, but measurement precision may deteriorate
Solution Approach 1:
The patent successfully substitutes inductive sensors with acoustic sensors, achieving significant weight reduction. Acoustic sensors detect ring traveler movement by listening to the sound of the traveler moving along the spinning ring, eliminating the need for heavy electromagnetic coils. The system maintains detection accuracy by using the separator as a stable mounting platform and optimizing the acoustic sensor's positioning and sensitivity.
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
This arrangement improves accessibility to spinning rings, reduces sensor complexity, and allows for use with non-magnetic ring travelers and varying ring sizes, while also halving the number of display means needed for thread breaks.
Implementation Method 1
acoustic sensors are significantly lighter and can be arranged at a greater distance from the spinning ring
Data Source
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AI summary
The invention relates to a ring spinning machine with a ring bank (1), wherein spinning rings (2) are arranged on the ring bank (1), each of which has a rotatably attached ring runner (3), wherein a sensor (4, 5) is provided for detecting the movement of a ring runner (3), and wherein a separator (6) is arranged between two adjacent spinning rings (2) above the ring bank (1) such that the distance to the ring bank (1) remains constant during a ring bank stroke. According to the invention, the sensor is designed as a microphone (4, 5), arranged in the lower region of the separator (6), and is held by it. The invention further relates to the separator (6).