Vehicle Object Sensor with Dynamic Tilt and Rotation
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Solution Overview
Problem
Conventional object sensing apparatuses for vehicles are affected by external conditions such as driving conditions, road conditions, and sunlight, leading to inaccurate recognition of objects outside the vehicle, and face challenges with contamination and maintenance due to their placement, which limits their recognition range and increases repair costs.
Innovation Solution
An object sensing apparatus with a vertically tilting and horizontally rotating mechanism mounted in a vehicle's lamp assembly, allowing the sensor to adjust its position based on driving conditions and environment, combined with a heat protector to prevent overheating, enhancing recognition accuracy and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the object sensor is fixed at a narrow recognition range, then the device complexity is reduced, but the measurement precision of object detection deteriorates
Solution Approach 1:
The object sensor is made movable through vertical tilting and horizontal rotating mechanisms, allowing dynamic adjustment of the recognition range according to driving conditions. This resolves the contradiction by enabling the sensor to adapt its detection scope rather than being fixed, thereby improving measurement precision without permanently increasing device complexity.
Solution Approach 2:
The patent adds two rotational dimensions to the sensor mounting structure - vertical tilting and horizontal rotating - transforming a single-position sensor into a multi-position sensor. This dimensional expansion allows comprehensive object detection while maintaining a compact integrated design within the headlamp assembly.
2Measurement precision
If the object sensor is mounted at the bottom of the bumper, then the measurement precision is improved, but the reliability deteriorates due to contamination and watertightness issues
Solution Approach 1:
The object sensor is extracted from the vulnerable bumper bottom location and relocated to the headlamp assembly position. This extraction removes the sensor from the contaminated and wet environment at the bumper bottom while maintaining its object detection function, thereby improving reliability without sacrificing measurement precision.
Solution Approach 2:
The headlamp assembly serves as an intermediary mounting structure that provides a protected environment for the object sensor. This intermediary location shields the sensor from direct contamination and water exposure while maintaining the necessary detection capabilities.
3Measurement precision
If the object sensor recognition range is extended by modifying vehicle body design, then the measurement precision is improved, but the manufacturing cost increases
Solution Approach 1:
The headlamp assembly is given multi-functionality by integrating the object sensor into its structure. This universal design allows the headlamp to serve both its original lighting function and the new object detection function, eliminating the need for separate vehicle body modifications and reducing manufacturing costs while extending the recognition range.
Solution Approach 2:
The object sensor mounting structure is merged with the headlamp assembly, combining two functional elements into one integrated unit. This merging eliminates the need for separate modifications to the vehicle body, thereby extending the recognition range without increasing manufacturing complexity or cost.
4Adaptability or versatility
If the object sensor is mounted in a fixed position, then the device complexity is reduced, but the adaptability deteriorates under different driving conditions
Solution Approach 1:
The sensor mounting structure is transformed from a fixed static design to a dynamic adjustable design with vertical tilting and horizontal rotating capabilities. This allows the sensor to adapt to different driving conditions such as uphill/downhill slopes and curved roads, improving adaptability while integrating the mechanisms into the headlamp assembly to minimize overall complexity.
Data Source
AI summary
An object sensing apparatus including: an object sensor mounted at a front upper portion of a vehicle; a vertical-tilting mechanism to allow the object sensor to tilt around a horizontal axis; and a horizontal-rotating mechanism to allow the object sensor to rotate around a vertical axis.