Agricultural Harvesting Unit Cab Control for Fluid Stream Adjustment
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Solution Overview
Problem
Current crop harvesting systems using pressurized fluid require users to make adjustments through trial and error, wasting time and increasing the risk of injury due to the need to repeatedly enter and exit the cab to observe and adjust the fluid flow characteristics, and often require additional manpower for optimal setup.
Innovation Solution
A harvesting unit with a control system that allows users to vary the volume and direction of pressurized fluid streams from outside the cab using wireless actuators, enabling adjustments to be made without leaving the cab, reducing the need for multiple individuals and minimizing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If users make adjustments by repeatedly entering and exiting the cab to observe and adjust fluid flow characteristics, then optimization of crop processing can be achieved, but harvesting time is wasted and risk of injury increases
Solution Approach 1:
The patent uses cameras to capture images of the fluid flow characteristics and displays them on monitors inside the cab, creating a visual copy of the external conditions. This allows users to observe and adjust fluid flow parameters without leaving the cab, eliminating repeated entry/exit while maintaining observation accuracy.
Solution Approach 2:
The patent introduces cameras, image processing systems, and display monitors as intermediaries between the user and the fluid flow characteristics. These intermediaries transmit visual information from the external environment to the user inside the cab, enabling remote observation and adjustment without physical movement.
2Measurement precision
If users make adjustments by repeatedly entering and exiting the cab, then optimization of crop processing can be achieved, but risk of injury increases
Solution Approach 1:
By creating visual copies of the fluid flow characteristics through cameras and displays, users can safely observe conditions from the protected environment of the cab, eliminating the need to expose themselves to external hazards during adjustment operations.
Solution Approach 2:
The camera and display system acts as an intermediary that protects users from harmful external conditions while still allowing them to observe and control fluid flow characteristics, thereby eliminating injury risk associated with repeated cab entry/exit.
3Measurement precision
If multiple individuals are used for initial setup with one in cab controlling actuators and another observing front of system, then optimal adjustments can be made, but manpower requirements double
Solution Approach 1:
The camera system creates visual copies of the fluid flow characteristics that can be viewed inside the cab, allowing a single user to perform both observation and control functions simultaneously, thereby eliminating the need for a second person and reducing manpower requirements.
Solution Approach 2:
The display system inside the cab provides multi-functionality by enabling a single user to simultaneously observe fluid flow characteristics and control actuators, consolidating roles that previously required two separate individuals into one person.
4Ease of operation
If actuator controls are placed inside the cab, then users can control fluid delivery system, but users cannot directly observe front region to determine optimal adjustments
Solution Approach 1:
The patent places camera systems at the front region to capture images of fluid flow characteristics and transmits these images to displays inside the cab. This allows control actuators to remain accessible inside the cab while providing users with visual copies of external conditions for accurate observation and adjustment.
Solution Approach 2:
The camera and display system serves as an intermediary that bridges the spatial separation between the control interface (inside cab) and the observation target (front region). It transmits visual information to users, enabling them to make accurate adjustments from the protected and accessible cab environment.
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
Enables efficient and safe adjustment of pressurized fluid streams, reducing harvesting time and manpower requirements while allowing users to optimize crop processing without leaving the cab.
Implementation Method 1
pressurized fluid is discharged in discrete streams each directed to at least one of: a) facilitate severance of crop by the harvesting assembly
Implementation Method 2
facilitate advancement of severed crop rearwardly in relationship to the frame for further processing
Data Source
AI summary
A harvesting unit with a combine, having a user cab. A harvesting apparatus, advanced by the combine, has a frame and a harvesting assembly on the frame configured to process severed crop over a width between spaced sides of the frame. A fluid delivery system discharges pressurized fluid in discrete streams each directed to at least one of: a) facilitate severance of crop by the harvesting assembly; and b) facilitate advancement of severed crop rearwardly in relationship to the frame for further processing. A user can selectively vary at least one of: a) a volume of pressurized fluid; and b) a direction of pressurized fluid in the discrete streams. A control system has at least one actuator accessible and operable from outside of the cab through a user input to cause the at least one of the volume of pressurized fluid discharged, and direction of the pressurized fluid, in the discrete streams to be varied.