Automotive Door Warning System Using Segmented Light Devices
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Solution Overview
Problem
Conventional automotive vehicle open door warning systems are inadequate in providing early and effective warnings to pedestrians or cyclists, as they often fail to emit visible warnings from multiple spaced-out locations along the vehicle, leading to potential collisions when doors are opened, especially when the vehicle is traveling at low speeds or stopped.
Innovation Solution
An early open door warning system that includes a first light device and a second light device spaced along the vehicle's side, both controlled by an electronic controller circuit, emitting warning light signals prior to or during door opening, with the second device positioned to replace the first when the door blocks its view, ensuring visibility from adjacent passageways and reducing the risk of collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single light device is used to emit warning signals, then the device complexity is reduced, but the warning visibility and effectiveness deteriorate when the door blocks the view
Solution Approach 1:
The warning system is divided into multiple independent light devices positioned at different locations along the vehicle side. The first light device is positioned to be visible when the door is closed, and the second light device is positioned to replace it when the door opens, ensuring continuous visibility without requiring a single complex device
2Device complexity
If light devices are positioned close together, then the device structure is simplified, but the warning coverage from multiple angles is insufficient
Solution Approach 1:
The light devices are arranged in different spatial positions along the vehicle side, utilizing the longitudinal dimension of the vehicle to create multiple warning points. This spatial distribution ensures that at least one light device remains visible from adjacent passageways regardless of door position, expanding the effective warning coverage area
3Loss of time
If the warning system activates only after door opening is detected, then the system response time is reduced, but the early warning capability is lost
Solution Approach 1:
The system includes detecting devices that detect door opening actions in advance, before the door actually opens. When door opening is detected, the first light device activates to provide early warning. If the door blocks the view during opening, the second light device activates to maintain visibility. This preliminary detection and staged activation ensures early warning is provided without unnecessary delays
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
The system provides a more comprehensive and effective warning by ensuring that pedestrians or cyclists are alerted from multiple angles before and during door opening, enhancing safety by providing a visible warning from at least two distinct points along the vehicle's side, thus reducing the risk of accidental collisions.
Implementation Method 1
a light device, and particularly to a warning system comprising a second light device associated with the first one to emit another light signal
Data Source
AI summary
The invention relates to an automotive vehicle early open door warning system, including a first light device arranged in a first external area of a side of the vehicle, for emitting a warning light signal, prior to the opening of a door, a second light device arranged in a second area of the side of the vehicle spaced from the first area for emitting a warning light signal, and an electronic controller circuit in connection with the light devices, for controlling the first light device so that it emits the warning light signal prior to the opening of the door and the second light device so that it emits the warning light signal prior to or during the opening of the door.