Auto-isolate vehicular climate system for noxious zone isolation
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Solution Overview
Problem
Automotive climate control systems lack the ability to predictively isolate the passenger compartment from noxious zones, relying on driver reaction time to close windows and switch to recirculated air, which can be delayed and inefficient.
Innovation Solution
A vehicle system that uses predictive analysis of historical HVAC and window operation data, combined with environmental and location data, to alert and automatically isolate the cabin by rolling up windows and switching to recirculated air before entering a noxious zone, utilizing a controller connected to a remote server for geofence identification and notification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If driver manually reacts to close windows and switch to recirculated air when entering noxious zones, then passenger compartment is isolated from contaminants, but reaction time delay reduces isolation effectiveness
Solution Approach 1:
The system performs preliminary actions by automatically closing windows and switching to recirculated air mode before the driver can manually react. The controller monitors vehicle location and environmental conditions, then proactively isolates the passenger compartment when approaching noxious zones, eliminating the reaction time delay entirely.
Solution Approach 2:
The climate control system serves itself by automatically detecting noxious zones through location and environmental data, then autonomously adjusting window positions and air recirculation settings without requiring driver intervention. The system manages its own isolation function based on real-time conditions.
2Reliability
If system automatically closes windows and switches to recirculated air upon entering noxious zones, then isolation effectiveness is maximized, but system complexity increases
Solution Approach 1:
The existing climate control system is extended with multi-functionality to include automatic noxious zone detection and response. The controller integrates location data processing, environmental condition monitoring, and automated window/air control functions into a single system, avoiding the need for separate dedicated systems.
Solution Approach 2:
The controller acts as an intermediary that receives location and environmental data, processes this information against stored noxious zone data, and then coordinates window and climate system responses. This intermediary layer simplifies the overall system architecture by centralizing the decision-making logic.
3Object-affected harmful factors
If system uses historical climate data and location data for predictive isolation, then air quality improvement is enhanced, but data processing requirements increase
Solution Approach 1:
The system performs preliminary data processing by pre-storing noxious zone location data and environmental conditions in memory before the vehicle reaches these zones. This allows the controller to quickly compare real-time location data against pre-processed historical data, minimizing real-time computational requirements while maintaining accurate air quality protection.
Data Source
AI summary
A vehicle includes a controller, in communication with a remote server, that is configured to access, from the remote server, historical climate system and window data associated with a location and route of the vehicle. The controller is further configured to identify a geofence according to the historical climate system and window data, and responsive to the vehicle crossing the geofence, command cabin air recirculation.