Compressor Drum Movement Sensor Power via Generator
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Solution Overview
Problem
Existing devices for detecting the movement of a compactor roller face challenges in providing a reliable electrical energy supply to movement sensors during compactor operation, as they often require additional power sources or complex energy conversion mechanisms that may interfere with the compactor's functionality.
Innovation Solution
A device comprising a generator with a stator and rotor that can rotate about a rotor axis, coupled to an unbalanced mass arrangement, which utilizes the compactor's rotating movements to generate electrical energy for movement sensors, ensuring a reliable and interference-free power supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If an energy converter arrangement with an oscillating mass is used to generate electrical energy from the compactor roller movement, then electrical energy can be supplied to the movement sensor, but the complexity of the energy conversion mechanism increases and may interfere with the compactor's functionality
Solution Approach 1:
The generator is designed to serve dual purposes: it acts as both an energy conversion device to power the movement sensor and as a functional component of the compactor system itself. By coupling the generator rotor to the unbalanced mass arrangement, the system generates electrical energy while the unbalanced mass performs its compaction function, eliminating the need for separate energy conversion mechanisms.
Solution Approach 2:
The compactor roller system generates its own electrical energy for the movement sensor through the generator coupled to the unbalanced mass arrangement. The mechanical energy from the compactor's own operation is converted to electrical energy, making the system self-sufficient and eliminating the need for external power sources or complex additional energy conversion mechanisms.
2Use of energy by moving object
If a linearly reciprocable mass with permanent magnet and coil is used for electromagnetic induction, then electrical energy can be generated, but the device complexity increases and may interfere with compactor operation
Solution Approach 1:
The generator is integrated into the compactor roller system such that the rotor couples to the unbalanced mass arrangement, serving both as an energy generation device and as part of the compaction mechanism. This multi-functionality eliminates the need for separate electromagnetic induction mechanisms.
Solution Approach 2:
The generator utilizes the natural vibrational and rotational movements of the unbalanced mass arrangement during compactor operation to generate electrical energy through electromagnetic induction. The mechanical vibrations inherent in the compactor's operation are converted to useful electrical energy without requiring additional complex mechanisms.
3Reliability
If the generator rotor is coupled to the unbalanced mass arrangement, then reliable electrical energy supply is ensured during compactor operation, but the torque requirements for the drive motor increase
Solution Approach 1:
The generator is coupled to the unbalanced mass arrangement in a way that ensures continuous electrical energy generation throughout the compactor's operation cycle. The rotor maintains continuous rotation synchronized with the unbalanced mass movement, ensuring uninterrupted power supply to the movement sensor without requiring additional torque spikes or intermittent operation.
Solution Approach 2:
The generator extracts only the necessary mechanical energy from the unbalanced mass arrangement to generate sufficient electrical energy for the movement sensor, rather than requiring full torque compensation. The system is designed to capture a portion of the available mechanical energy, minimizing the impact on overall torque requirements while ensuring reliable power generation.
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 solution provides a reliable and efficient electrical energy supply to movement sensors, enabling accurate detection of compactor roller movements without impairing the compactor's functionality, and allows for continuous operation with minimal additional torque requirements.
Implementation Method 1
a generator with a stator and a rotor which can be rotated about a rotor axis of rotation with respect to the stator
Implementation Method 2
the rotor can be driven to rotate about the rotor axis of rotation by an unbalanced drive of an unbalanced mass arrangement of the compactor roller
Data Source
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AI summary
A device for detecting the movement of a compressor roll (10) rotatable about a compressor roll rotation axis (Av) comprises at least one motion sensor (48) and a power supply (50) for the at least one motion sensor (48), wherein the power supply (50) comprises a generator (52) with a stator and a rotor rotatable about the stator about a rotor rotation axis (AR).