Integrated Switch Design for Agricultural Vehicle Operator Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Agricultural vehicle operators face confusion and increased risk of error due to the placement and operation of control switches, which divert attention and lead to operator discomfort, as existing switching devices require looking away and repositioning hands to identify and actuate different control variables.
Innovation Solution
A switching device with a primary rotary switch, such as an adjustment wheel, and a secondary switch mounted on its outer rim, allowing operators to control related variables without repositioning their hand or looking away, enhancing operator convenience and comfort by maintaining focus on the task.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple switches are provided separately for controlling different variables, then each variable can be controlled independently, but the operator becomes confused about which switch controls which variable and must look away from the task to identify switch locations
Solution Approach 1:
The patent combines multiple switches (first switch for first variable, second switch for second variable) into a single integrated switching device where the second switch is mounted on the outer rim of the first switch. This merging allows the operator to control both variables without moving their hand or looking away, eliminating confusion about switch locations while maintaining independent control of each variable.
2Ease of operation
If switches are mounted separately on the control panel, then each switch is easily accessible, but the operator must reposition their hand to access different switches
Solution Approach 1:
By mounting the second switch on the outer rim of the first switch, both switches become accessible within the same hand position. The operator can rotate the first switch and press the second switch without moving their hand, eliminating hand repositioning time while maintaining full accessibility to both controls.
3Adaptability or versatility
If multiple independent switches are provided, then comprehensive control is achieved, but the device complexity increases
Solution Approach 1:
The patent merges multiple switches into a single integrated unit where the second switch is mounted on the first switch's outer rim. This consolidation maintains comprehensive control capability for multiple variables while reducing the number of separate components, thereby simplifying the overall device structure and reducing complexity.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
There is described a switching device (10) for use on an agricultural vehicle such as an agricultural tractor(110). There is further described an agricultural tractor having such a switching device. The switching device (10) has first and second switches (14,16), wherein the second switch (16) is mounted on or carried by the first switch (14). The switches (14,16) can be operated in different directions (X1,Y1), to allow control of different variables by an operator. In a preferred aspect, the first and second switches (14,16) are used to control related variables. As the second switch (16) is provided on the first switch (14), accordingly an operator can easily interpret the control of the related variables, without having to look at the switching device.