Agricultural Working Portion Cooling for Regeneration Resistors
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Solution Overview
Problem
Existing sprayer devices for agricultural work lack an efficient mechanism to manage regenerative power generated during operation, leading to reduced performance and increased energy consumption.
Innovation Solution
Incorporation of a regenerative power processor with a regeneration resistor, cooled by wind generated from the working portion, to consume regenerative power and maintain optimal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a regeneration resistor is added to consume regenerative power, then energy management is improved, but device complexity increases
Solution Approach 1:
The regeneration resistor utilizes the wind generated by the rotation of the working portion itself for cooling, without requiring external cooling systems. This self-service approach resolves the contradiction by implementing energy management functionality while avoiding additional complexity in the cooling infrastructure.
Solution Approach 2:
The wind generated by the working portion's rotation serves dual purposes: performing agricultural work and cooling the regeneration resistor. This multi-functionality resolves the contradiction by making the existing rotational motion serve both primary and secondary functions, avoiding additional system complexity.
2Temperature
If the regeneration resistor is cooled by wind from working portion rotation, then cooling efficiency is improved, but positioning requirements increase
Solution Approach 1:
The system uses its own operational byproduct (wind from rotation) to cool the regeneration resistor, eliminating the need for separate cooling systems or complex positioning mechanisms. The resistor is simply positioned in the wind path generated during normal operation.
Solution Approach 2:
The cooling solution equalizes the operational conditions by ensuring the regeneration resistor operates in the same environmental conditions (wind flow) as the working portion, without creating artificial cooling zones or requiring complex thermal management infrastructure.
3Use of energy by moving object
If regenerative power is consumed during operation, then energy efficiency is improved, but performance consistency becomes challenging
Solution Approach 1:
The regenerative power, which could potentially cause performance fluctuations, is converted into a beneficial cooling resource for the regeneration resistor. This resolves the contradiction by transforming the challenge of variable regenerative power into an advantage for thermal management.
Solution Approach 2:
The system accepts variable regenerative power parameters and converts them into useful cooling effect, maintaining performance consistency through adaptive thermal management rather than attempting to stabilize the regenerative power itself.
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 effectively processes regenerative power, enhancing the sprayer device's efficiency and reducing energy consumption by ensuring consistent performance during agricultural tasks.
Implementation Method 1
a regeneration resistor to consume a regenerative power generated in the electric motor, the regeneration resistor being arranged at a position to be cooled by wind generated by rotation of the working portion
Data Source
AI summary
A working device to be connected to a traveling vehicle having a prime mover, the working device being configured to perform an agricultural work, includes a working portion to rotate to perform an agricultural work, an electric motor to be driven by electric power, a power transmission mechanism to which power generated by the electric motor is inputted, configured to transmit the power to the working portion; and a regeneration resistor to consume a regenerative power generated in the electric motor, the regeneration resistor being arranged at a position to be cooled by wind generated by rotation of the working portion.