Exhaust-Proximate Sensor Mount With Thermal Insulating Cover
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Motor vehicle sensor devices in thermally exposed areas near exhaust systems often exceed their maximum allowable temperature limit, leading to malfunctions or defects due to high operating temperatures.
Innovation Solution
A motor vehicle sensor device arrangement featuring a thermally insulating cover made of heat-resistant plastic or ceramic material, or with a ceramic coating, is attached to the inner side of an external paneling component to prevent temperature-related issues, ensuring the sensor operates within safe limits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the sensor device is installed in a thermally exposed area near the exhaust system, then the sensor can be positioned for optimal detection coverage, but the sensor temperature exceeds the maximum allowable limit causing malfunctions
Solution Approach 1:
A thermally insulating cover is introduced as an intermediary element between the sensor and the thermally exposed environment. The cover is made of heat-resistant plastic or ceramic material that blocks thermal radiation and conduction from the exhaust system, maintaining the sensor temperature below its maximum allowable limit while allowing the sensor to remain installed in the optimal thermally exposed area for detection coverage
2Reliability
If a thermally insulating cover is added to protect the sensor, then the sensor operates within safe temperature limits, but the device complexity increases
Solution Approach 1:
The patent employs a thin-walled cover made of heat-resistant plastic or ceramic material that provides thermal insulation while maintaining a compact and simple structure. The cover is designed as a simple enclosing shell that fits over the sensor housing, providing necessary thermal protection without adding significant structural complexity or volume to the sensor device
Solution Approach 2:
The cover is made from composite or specialized materials such as heat-resistant plastics or ceramics that combine thermal insulation properties with mechanical strength. These materials provide effective thermal protection in a thin-walled structure, achieving reliable sensor temperature control without requiring complex multi-layer insulation systems
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 thermally insulating cover effectively prevents sensor malfunctions by maintaining the sensor within a safe temperature range, even in extremely high-temperature environments, providing a simple and cost-efficient solution.
Implementation Method 1
The cover is made of a thermally insulating material or comprises a thermally insulating coating
Data Source
AI summary
An arrangement (1) is provided for holding of a motor vehicle sensor device (2) in a thermally exposed area near an exhaust system (5) of a motor vehicle. The motor vehicle sensor device (2) includes a sensor (10) and a holding device (3) having a receptacle (7), within which the sensor means is accommodated. The holding device (3) is fixed to an inner side (40) of an external paneling component (4) in the thermally exposed area. The motor vehicle sensor device (2) includes a cover (8), by means of which the receptacle (7) is covered on an interior side of the vehicle. The cover (8) is made of a thermally insulating material or has a thermally insulating coating.