Vehicle Lighting System with Gesture-Controlled Rotatable Light Source
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Solution Overview
Problem
Bicycles lack effective lighting systems, compromising rider safety due to inadequate visibility and observability, particularly in dark conditions, leading to increased accident risks.
Innovation Solution
A smart lighting system for two-wheeled vehicles, featuring a lighting assembly with a motion sensor-controlled rotatable light source, indicator lights, and a display screen, powered by a battery, which adjusts lighting orientation and projection based on rider gestures and provides visibility and turning indications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a battery-powered lighting system is installed on the bicycle, then the illuminance and visibility are improved, but the device complexity and wiring requirements increase
Solution Approach 1:
The patent replaces the traditional mechanical/dynamo-powered lighting system with a battery-powered LED lighting system. The battery pack provides electrical energy stored in a compact form, eliminating the need for complex wiring to power lights during motion. The system uses wireless communication (Bluetooth) between the helmet sensor and the lighting assembly, further reducing physical wiring complexity while maintaining improved illumination intensity for rider safety.
2Adaptability or versatility
If a rotatable light source controlled by motion sensor is used, then the adaptability to rider's gaze is improved, but the device complexity increases
Solution Approach 1:
The patent implements a rotatable light source assembly that can dynamically adjust its orientation based on the rider's head movements detected by the motion sensor in the helmet. The lighting assembly rotates to follow the rider's gaze direction, providing adaptive illumination where the rider is looking. This dynamic adjustment capability enhances adaptability without requiring complex manual control mechanisms, as the system automatically responds to rider movements.
Solution Approach 2:
The system incorporates a motion sensor in the helmet that continuously monitors the rider's head position and sends feedback signals wirelessly to the lighting assembly. The lighting system responds to this feedback by adjusting its orientation accordingly, creating a closed-loop control system that adapts to the rider's visual attention in real-time, improving adaptability while keeping the control mechanism relatively simple through wireless communication.
3Loss of information
If indicator lights and display screen are added, then the information provision and observability are improved, but the device complexity and power consumption increase
Solution Approach 1:
The patent employs LED indicator lights and a display screen that provide essential information to the rider in a periodic or on-demand manner rather than continuously. The display can show speed, distance, and other ride information when needed, and the indicator lights provide turn signals and status information only during relevant actions. This periodic operation reduces overall power consumption compared to continuous operation, while still maintaining effective information provision and observability for safe riding.
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
Enhances rider safety by ensuring the light beam follows the rider's gaze, improves path visibility, and indicates turns, reducing accident risks by making the bicycle and rider more observable to other road users.
Implementation Method 1
The signal generator may be a motion sensor, such that the motion sensor is mounted on a helmet of a rider of the bicycle
Implementation Method 2
The rotor may be powered by an electric motor
Implementation Method 3
The lighting assembly may include a battery, such that the battery is configured to supply electricity to the electric motor, the rotatable light source, the left indicator light and the right indicator light
Implementation Method 4
The lighting assembly further includes a signal receiver, a light control module, and at least one light source
Data Source
AI summary
A smart lighting system for a vehicle is described. The smart lighting system includes at least one signal generator, and a lighting stem assembly. The lighting stem assembly further includes a signal receiver; a light control PCB module, and at least one light source. The at least one light source may be a rotatable lighting source, and the left indicator light and the right indictor light. Upon receiving signal by the signal receiver from a signal generator, the light control PCB module controls the operation of the rotatable lighting source, and the left indicator light and the right indictor light. The signal generator may generate the signal based on detection of gesture by a motion sensor mounted on a helmet of a rider.