Multi-function Rotational Switch for Vehicle Dashboard Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional vehicle instrument panels with multiple rocker and toggle switches are cumbersome, difficult to use in high vibration environments, and require extensive lighting for identification, leading to reduced switch lifespan and increased maintenance complexity.
Innovation Solution
A multi-function controller with a central rotatable dial, visual indicator panel, and control circuitry that simplifies the control of various vehicle functions, reducing the need for multiple switches and enhancing ergonomic and safety aspects by allowing simultaneous status viewing and easy function toggling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple rocker and toggle switches are used to control different vehicle functions, then each function can be controlled independently, but the dashboard space occupied increases and the switches become difficult to reach
Solution Approach 1:
The patent applies multi-functionality by designing a single rotary switch that can control multiple vehicle functions through different rotational positions and push-button actions. The rotary switch integrates the functionality of multiple separate switches into one component, allowing control of various vehicle systems (lights, wipers, horns, etc.) without requiring separate physical switches for each function.
Solution Approach 2:
The patent combines multiple control functions into a single integrated rotary switch assembly. The design merges the rotation mechanism and push-button mechanism into one unified component that occupies minimal dashboard space while providing control over multiple vehicle functions, thereby reducing the overall dashboard area required for switch assemblies.
2Ease of operation
If switches are spaced apart in rows on the dashboard, then each switch can be individually accessed, but the switches furthest from the operator become difficult to reach
Solution Approach 1:
The patent consolidates multiple switch functions into a single compact rotary switch located in one position on the dashboard. This eliminates the need for long dashboard arrangements with switches spread out in rows, making all control functions accessible from a single location close to the operator.
3Ease of operation
If conventional switches are used in high vibration environments, then vehicle functions can be controlled, but the switches experience harsh treatment that reduces their lifespan
Solution Approach 1:
The patent employs a rotary dial mechanism with circular rotational movement, which provides smoother and more ergonomic operation compared to linear toggle switches. The rotational motion allows operators to control functions with less force and more precise hand movements, reducing the impact of vibration and improving operational reliability in harsh environments.
Solution Approach 2:
The rotary switch incorporates visual indicators (such as illuminated markings or pointers) that provide feedback to the operator about the current selected position and function status. This feedback mechanism allows operators to confirm their selections without visual inspection, reducing errors and improving control reliability in high-vibration conditions where precise manual control is challenging.
4Loss of information
If individual lights are placed behind each switch for visual identification, then switch location can be identified, but the number of lights increases making installation and maintenance labor-intensive
Solution Approach 1:
The patent consolidates the lighting function into a single illumination source that lights up the entire rotary dial and its markings, eliminating the need for individual lights behind each switch position. This unified lighting approach provides sufficient visual identification of all functions while significantly reducing the number of separate lighting components required.
Solution Approach 2:
The rotary switch design integrates the identification function directly into the dial face with clearly marked positions and functions. The universal illumination system provides overall lighting for the entire control assembly, making all functions visible without requiring separate lighting mechanisms for each control element.
Data Source
AI summary
Compact, multi-function rotational controllers or switches that allow an operator of a vehicle to simultaneously view the status of a plurality of related functions, and to easily change or toggle the status of each of the functions. A multi-function controller of the present disclosure may include a rotatable central control dial that is at least partially surrounded by a visual indicator panel that indicates a current status for the functions that are controlled by the multi-function controller. The multi-function controller may include a selected function indicator that indicates which of the plurality of related functions is currently selected, control input hardware that receives operator input, and control circuitry that toggles the state of the selected function responsive to such operator input. The multi-function controller may include an “all functions off” function that allows the operator to simultaneously turn all of the related functions off via a single input action.