Interchangeable Sensor Unit for Airflow Measurement
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Solution Overview
Problem
Conventional sensor units require a new substrate when adding sensors, limiting their versatility and extensibility, and result in measurement errors due to changes in airflow patterns caused by component replacements.
Innovation Solution
A sensor unit design featuring interchangeable components, including a first component with airflow sensors, a second component for additional sensors, and a third component for protection, allowing easy addition or removal of sensors and maintaining consistent airflow measurement by ensuring the same connection shapes and structures, thus reducing measurement errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a new sensor is added to a conventional sensor unit, then the sensing capability is improved, but the substrate must be changed which reduces versatility and extensibility
Solution Approach 1:
The sensor unit is divided into separate interchangeable components (first component with airflow sensor, second component with other sensors, third component for protection) that can be independently selected and combined. This segmentation allows different sensor configurations without changing the base substrate, resolving the contradiction by enabling versatility through modular assembly rather than substrate replacement.
Solution Approach 2:
The first component is designed with universal connection interfaces that can selectively connect to different second and third components. This universality allows the same base component to work with multiple different sensor configurations, achieving both adaptability and avoiding the need for substrate changes when adding new sensors.
2Adaptability or versatility
If components are replaced in a sensor unit, then new sensing functions are achieved, but airflow patterns change causing measurement errors
Solution Approach 1:
The third component is specifically designed to maintain consistent airflow characteristics by providing a standardized protective structure that preserves the original airflow pattern. This local quality control at the protective component level ensures that sensor replacements do not alter the airflow environment, thus maintaining measurement precision while enabling component interchangeability.
Solution Approach 2:
The connection interfaces and component structures are pre-designed to ensure consistent positioning and airflow characteristics before components are actually replaced. This preliminary design ensures that when components are swapped, the airflow pattern remains unchanged, preventing measurement errors while allowing easy replacement.
3Ease of manufacture
If a fixed substrate design is used, then manufacturing is simplified, but adding new sensors requires substrate changes reducing ease of operation
Solution Approach 1:
The sensor unit transitions from a fixed substrate design to a dynamic modular architecture where components can be selectively connected and disconnected. The first component serves as a stable base that can dynamically pair with different second and third components, maintaining manufacturing simplicity while enabling easy sensor additions through interchangeable modules rather than substrate modifications.
Data Source
AI summary
A sensor unit includes a first component including an airflow sensor; a second component; and a third component. The first component includes a lower end portion that is selectively connectable to the second component or the third component, and an upper end portion that is selectively connectable to the third component or the second component.