Tractor-Baler Energy Control for Overload Prevention
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Solution Overview
Problem
Existing balers and tractor-baler combinations rely heavily on operator experience to avoid energy overload and underload situations, lacking an automated system to manage energy demand effectively.
Innovation Solution
A tractor-baler combination with a control unit connected to the drivetrain, power take-off unit, and pressing/receiving units, which adjusts energy input based on consumption signals to maintain optimal energy balance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the baler operates with high energy demand to maintain productivity, then the baling speed and compression efficiency improve, but the risk of overload situations increases
Solution Approach 1:
The control unit continuously monitors the actual energy consumption of the baler and compares it with the available energy from the tractor's power take-off. Based on this feedback loop, the system automatically adjusts the baler's energy demand to match the available power, preventing overload while maintaining optimal baling performance.
Solution Approach 2:
The system dynamically adjusts the energy input to the baler based on real-time conditions. The control unit modifies the power transmission to the pressing unit and receiving unit according to the current energy availability and consumption patterns, allowing the system to adapt between high productivity modes and safety-preserving modes.
2Reliability
If the operator manually monitors and adjusts energy input to avoid overload, then the reliability improves, but the ease of operation deteriorates
Solution Approach 1:
The baler system performs self-monitoring and self-regulation of its energy consumption. The control unit automatically detects when energy limits are approaching and adjusts the power distribution to the pressing and receiving units without requiring operator intervention, making the system both reliable and easy to operate.
Solution Approach 2:
The manual mechanical adjustment process is replaced with an automated electronic control system. The control unit uses sensors and processors to monitor energy parameters and automatically adjusts the power transmission mechanism, eliminating the need for operator expertise in energy management while maintaining reliability.
3Reliability
If the system continuously monitors energy consumption to prevent underload and overload, then the reliability improves, but the device complexity increases
Solution Approach 1:
The control unit performs multiple functions within a single integrated system: it monitors energy consumption, compares it with available power, calculates appropriate adjustments, and controls the power transmission. This multi-functionality reduces the need for separate dedicated components for each function, thereby limiting the increase in overall system complexity.
Solution Approach 2:
The control functions for monitoring energy consumption, calculating power requirements, and adjusting mechanical transmission are merged into a single control unit. This integration consolidates multiple subsystems into one coordinated unit, achieving reliable energy balance control without proportionally increasing device complexity.
Data Source
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AI summary
The invention relates to a tractor-baler combination comprising a tractor (12) and a baler (10), wherein the tractor (12) includes a drive train (80) for driving the tractor (12) and a power take-off (PTO) unit (112), and the baler comprises a receiving unit (20) and a pressing unit (22). The combination (1) includes a control unit (104). The PTO unit (112) is mechanically connected to the baler (10) for driving the pressing unit (22) and the receiving unit (20), and the pressing unit (22) can be driven with a first energy value and the receiving unit (20) with a second energy value. The control unit (104) is configured to receive or determine an energy consumption signal or a PTO consumption signal and to determine a total energy value using the energy consumption signal or the PTO consumption signal.The control unit (104) is further configured to compare the total energy value with a baler consumption value and to set and/or adjust the speed of the combination (1) using a drive signal if the total energy value differs from the baler consumption value. The invention further relates to a method for operating the combination (1) and a baler (10).