Vehicle Door-Mounted Fragrance Release for Entry-Only Scenting
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Solution Overview
Problem
Existing scenting devices in motor vehicles often provide uneven fragrance distribution and can obstruct visibility, with users becoming desensitized to the scent over time, losing their purpose.
Innovation Solution
A scenting device designed to emit fragrance only when the vehicle door is open, with a flat, flexible design that attaches to the door or door frame, ensuring fragrance is released briefly and consciously perceived during entry and exit, preventing settling and desensitization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the fragrance device emits fragrance continuously inside the vehicle, then the fragrance distribution becomes uneven and occupants become desensitized, but if the fragrance device emits fragrance only briefly when the door is open, then the scent perception remains conscious and regular
Solution Approach 1:
The fragrance device is designed to emit fragrance periodically rather than continuously. Each emission occurs when the door is opened, creating regular intervals of fragrance release. This periodic action prevents occupant desensitization while maintaining effective scent perception, as the fragrance is released at predictable intervals corresponding to door openings during entry and exit.
Solution Approach 2:
The fragrance device is positioned and configured to release fragrance in advance of occupant presence inside the vehicle. When the door opens, the fragrance is emitted beforehand, allowing occupants to perceive the scent consciously upon entering. This preliminary action ensures the fragrance is present when needed most, before occupants become accustomed to continuous exposure.
2Object-affected harmful factors
If the fragrance device is exposed and accessible when the door is closed, then fragrance can be released continuously, but if the fragrance device is concealed when the door is closed, then fragrance emission is automatically controlled and visibility is improved
Solution Approach 1:
The fragrance device's accessibility and exposure status change dynamically based on door position. When the door is closed, the device is concealed and inaccessible, preventing continuous fragrance emission and improving visibility. When the door opens, the device becomes exposed and accessible, allowing fragrance release. This dynamic state change automatically controls fragrance emission without additional mechanisms.
Solution Approach 2:
The fragrance device utilizes the door opening action itself to trigger fragrance emission. The mechanical act of opening the door automatically exposes the fragrance device, eliminating the need for separate controls or activation mechanisms. The system serves itself by using the existing door operation to control fragrance release timing and duration.
3Ease of manufacture
If the fragrance device is arranged on the door or door frame, then easy installation and replacement are achieved, but the fragrance device must be concealed when the door is closed to prevent continuous emission
Solution Approach 1:
The fragrance device is merged with the door or door frame structure, utilizing the existing moving parts and spaces. The concealment function is combined with the door's natural closing action, which automatically covers the fragrance device. This merging eliminates the need for separate concealment mechanisms, maintaining installation simplicity while achieving automatic emission control.
Solution Approach 2:
The door or door frame serves multiple functions: it provides structural support, enables automatic concealment of the fragrance device, and triggers fragrance emission through its opening motion. By making the mounting location multi-functional, the system achieves complex behavior (automatic concealment and emission control) without adding dedicated components for each function.
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
Guarantees regular, brief fragrance emission controlled by door opening, enhancing user experience by maintaining scent perception and allowing easy installation and replacement.
Implementation Method 1
the fragrance device emits the fragrance only when the door is open
Data Source
Figure 1a~3
Figure 4~6
AI summary
A motor vehicle, in particular a passenger car, comprises an interior (5), a door (6), and a fragrance device (1) containing a fragrance. The fragrance device (1) is arranged and designed such that it emits the fragrance only when the door (6) is open. This ensures that the user of the motor vehicle only perceives the fragrance when entering and exiting the vehicle and does not become accustomed to it while driving.