Vehicle Shutter Grille Control for Wear Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing shutter grille devices for vehicles do not effectively reduce the number of opening and closing operations, leading to reduced aerodynamic performance and potential overheating issues, especially during long intervals between driving operations.
Innovation Solution
A shutter grille device with a controller that disables closing after opening for a longer interval than disabling opening after closing, allowing for reduced operational cycles and extending the device's lifespan by optimizing operations based on speed, mileage, and thermal parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the shutter mechanism operates frequently to maintain aerodynamic performance and cooling, then the functional performance is improved, but the product life is reduced due to increased mechanical wear
Solution Approach 1:
The patent implements periodic action by disabling the shutter mechanism during specific time intervals after ignition on/off events. The controller prevents operation during a first interval after ignition off and a second interval after ignition on, allowing the mechanism to operate only at periodic intervals rather than continuously responding to every temperature change request, thereby reducing wear while maintaining necessary cooling periods
Solution Approach 2:
The patent applies preliminary action by pre-disabling the shutter mechanism during predicted high-wear intervals. The controller proactively prevents operation during the first interval after ignition off (when cooling demand is likely) and the second interval after ignition on (when aerodynamic performance is prioritized), before actual wear-critical operations occur, thus extending product life while maintaining functional requirements
2Duration of action of stationary object
If the shutter mechanism is disabled during intervals to extend product life, then the mechanical wear is reduced, but the cooling performance may deteriorate
Solution Approach 1:
The patent implements dynamics by making the disabling intervals adaptive rather than fixed. The controller adjusts the first and second intervals based on vehicle speed, ambient temperature, and engine load conditions. When cooling demand is high (low speed, high ambient temperature), the disabling intervals are shortened or eliminated, ensuring adequate cooling performance while still providing wear protection during moderate conditions
3Temperature
If the shutter mechanism operates without time restrictions, then the cooling efficiency is maintained, but the number of operations increases reducing product life
Solution Approach 1:
The patent applies feedback by continuously monitoring vehicle operating conditions (speed, ambient temperature, engine load) and using this information to dynamically adjust the disabling intervals. The controller receives feedback from sensors and modifies the first and second intervals in real-time, allowing the system to maintain cooling efficiency when needed while reducing operations during periods when cooling demand is lower, thus extending product life
Data Source
AI summary
To provide a shutter grille device that can reduce the number of opening and closing operations and extend product life. A shutter grille device includes: a shutter grille provided in an air intake for guiding air into a power station in which a power source of a vehicle is provided; and a controller that controls opening and closing of the shutter grille. The controller disables closing of the shutter grille during a first interval after opening of the shutter grille, and has a second interval before enabling opening of the shutter grille after closing; and the first interval is set longer than the second interval.