Bale Wrapper Pick-Up Mechanism with Optical Sensing
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Solution Overview
Problem
Existing bale wrapper systems require skilled operator intervention for correct positioning and sizing of bales, leading to potential incorrect wrapping and accidents, as they lack the ability to automatically detect and adjust for varying bale dimensions and shapes.
Innovation Solution
A bale wrapper device equipped with a sensing system and control unit that uses non-contact optical sensors to determine the position and size of the bale, ensuring correct positioning and operation of the pick-up mechanism, and preventing engagement with unknown or foreign objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual positioning and sizing by operator is used, then the system can handle various bale types, but the wrapping precision and safety are compromised due to operator skill dependency
Solution Approach 1:
The patent replaces manual operator positioning with an automated optical sensing system. Sensors detect bale position and dimensions, and a control system automatically adjusts the pick-up mechanism timing, eliminating human skill dependency while maintaining versatility across different bale types through programmable detection criteria.
Solution Approach 2:
The system performs self-positioning and self-adjustment through automated detection. The sensing system independently identifies bale characteristics, and the control system autonomously determines optimal pick-up timing without requiring external operator intervention, thereby improving precision while maintaining adaptability.
2Adaptability or versatility
If manual positioning and sizing by operator is used, then the system can handle various bale types, but the safety is compromised due to potential accidents
Solution Approach 1:
The patent replaces manual operator intervention with automated optical sensing and control systems. The sensors continuously monitor bale position and dimensions, and the control system automatically determines safe pick-up timing, eliminating human error and improving safety while maintaining versatility through programmable detection parameters.
Solution Approach 2:
The system incorporates continuous feedback from optical sensors that monitor bale position and characteristics. The control system uses this real-time feedback to adjust pick-up mechanism timing and determine when it is safe to engage the bale, creating a closed-loop safety system that adapts to various bale types while preventing accidents.
3Manufacturing precision
If automated sensing system is used, then the wrapping precision and safety are improved, but the device complexity increases
Solution Approach 1:
The patent introduces optical sensors and a control system to automate bale detection and positioning. While this increases device complexity, it eliminates the need for skilled operators and provides consistent, repeatable precision across all operations, with the complexity justified by the substantial improvement in wrapping accuracy and safety.
Solution Approach 2:
The sensing system is designed to detect multiple bale characteristics (position, dimensions, shape) using a single integrated system. The control system processes all sensor inputs through unified algorithms, allowing the system to handle various bale types with a single versatile platform, thereby managing complexity through multi-functionality rather than multiple specialized systems.
4Reliability
If automated sensing system is used, then the safety is improved by preventing accidents, but the device complexity increases
Solution Approach 1:
The system uses continuous optical feedback to monitor bale position and determine safe pick-up conditions. The control system processes sensor data in real-time to detect potential hazards and automatically adjusts operation timing, creating a safety-focused feedback loop that manages complexity through intelligent monitoring rather than mechanical safety devices.
Solution Approach 2:
The patent replaces mechanical safety interlocks and manual safety procedures with automated optical detection and electronic control. This substitution improves safety by providing consistent, error-free operation while managing complexity through integrated electronic systems that combine multiple safety functions into a unified control architecture.
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 system enables accurate and safe picking up and wrapping of bales without operator skill dependency, reducing the risk of accidents and ensuring proper wrapping by automatically adjusting to different bale sizes and shapes.
Implementation Method 1
uses non-contact optical sensors to determine the position and size of the bale
Data Source
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AI summary
An agricultural apparatus (2) that is configured to travel over the ground includes a pick-up device (22) for picking up an agricultural bale (24) from the ground. The pick-up device (22) includes a sensing system (60, 62) that is configured to sense the position and/or size of an object on the ground as the agricultural apparatus travels towards the object, a pick-up mechanism (26) that is engageable with opposite sides of the object and operable to lift the object, and a control unit (64) that is configured to determine the position of the pick-up mechanism (26) relative to the object (24) based on signals received from the sensing system (60, 62) prior to picking-up the object, and to operate the pick-up mechanism (26) when the pick-up mechanism is positioned correctly relative to the object.