Sensor Bracket Structure for Impact Load Distribution
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Solution Overview
Problem
Conventional sensor bracket structures for vehicles have unsatisfactory mounting positions and angles, leading to potential damage or axial offset of sensors during external impacts, which can result in unfavorable test results and sensor damage.
Innovation Solution
A sensor bracket structure with a fixing surface and a load receiving surface that surrounds the external sensor, providing additional support and protection by distributing loads externally, thereby preventing damage or axial offset without increasing the number of parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple frame component structure is used for mounting sensors, then the device complexity is reduced, but the sensor mounting position and angle become unsatisfactory, leading to potential sensor damage during external impacts
Solution Approach 1:
The bracket is divided into multiple functional surfaces: a fixing surface for mounting the sensor and multiple load receiving surfaces extending from the fixing surface. Each surface serves a specific function - the fixing surface provides stable sensor mounting, while the load receiving surfaces absorb external impacts in different directions, preventing force transmission to the sensor
Solution Approach 2:
The load receiving surfaces extend from the fixing surface in directions intersecting with it, creating a three-dimensional protective structure. This spatial arrangement allows the bracket to receive loads from multiple directions (front, rear, left, right) and transmit forces to the vehicle body through different mounting points, enhancing protection without increasing overall complexity
2Reliability
If the sensor mounting position and angle are optimized, then the sensor protection during impacts is improved, but the frame component structure becomes more complex
Solution Approach 1:
The bracket structure serves multiple functions simultaneously: it provides precise sensor mounting through the fixing surface, absorbs external impacts through multiple load receiving surfaces, and transmits forces to the vehicle body through distributed mounting points. This multi-functionality achieves comprehensive sensor protection without requiring additional separate components
Solution Approach 2:
The fixing surface and multiple load receiving surfaces are integrated into a single bracket component. The load receiving surfaces extend directly from the fixing surface, combining the sensor mounting function with impact absorption function in one unified structure, avoiding the need for separate protective components
3Ease of manufacture
If the frame component has a simple U-shape structure, then the manufacturing is easier, but the sensor may suffer axial offset or damage when hit by a pendulum during contact tests
Solution Approach 1:
The bracket is designed with pre-configured load receiving surfaces that extend from the fixing surface at specific angles and directions. This preliminary structural arrangement ensures that during contact tests or actual impacts, the forces are automatically directed along the load receiving surfaces to the vehicle body, preventing axial offset of the sensor without requiring complex adjustment mechanisms
Data Source
AI summary
The disclosure provides a sensor bracket structure adapted to mount an external sensor to a moving body via a bracket. The bracket includes a fixing surface and a load receiving surface connected to the fixing surface. The external sensor is fixed to the fixing surface. The load receiving surface extends from the fixing surface toward the top in a direction where the load receiving surface intersects with the fixing surface. The load receiving surface extends from an outermost side of the external sensor toward the outside.