Tire-Mounted Sensor With Detachable Device for Sensitivity and Reuse
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Tire-mounted sensors, when fixed inside a tire, become non-replaceable and suffer from reduced sensitivity due to increased distance from the tire's inner wall, affecting the accuracy of sensors like acceleration and temperature sensors.
Innovation Solution
A detachable sensor device with a controller, transmitter, and terminals is integrated into a sensor holding member attached to the tire's inner wall, allowing for reuse and maintaining sensor sensitivity by keeping functional devices separate from the tire-mounted sensor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the sensor device is integrated into the sensor holding member fixed to the tire, then the sensor can be replaced, but the distance between the sensor and the tire's inner wall increases, reducing sensitivity
Solution Approach 1:
The system is divided into two separate functional modules: the sensor holding member (fixed to the tire) and the sensor device (detachable unit). This segmentation allows the sensor to remain close to the tire for high sensitivity while enabling replacement of the sensor device independently, resolving the contradiction between replaceability and measurement precision.
2Measurement precision
If the sensor is fixed inside the tire, then the sensor remains close to the tire maintaining sensitivity, but the sensor device cannot be reused when the tire is replaced
Solution Approach 1:
By separating the sensor holding member from the sensor device, the sensor maintains its close proximity to the tire for high sensitivity, while the detachable sensor device can be removed and reused with different tires, resolving the contradiction between measurement precision and adaptability.
Solution Approach 2:
The sensor holding member is designed to be disposed with the tire, while the sensor device is recovered and reused. This approach allows the sensitive sensor to remain close to the tire during use, while enabling reusability of the valuable sensor device components when the tire is replaced.
3Adaptability or versatility
If the sensor device is made detachable from the sensor holding member, then the sensor device can be reused, but the electrical connection between sensor terminal and controller terminal becomes more complex
Solution Approach 1:
The electrical connection structure is designed to be dynamically changeable between connected and disconnected states. The terminal structure allows for easy connection and disconnection while maintaining reliable electrical contact when connected, balancing reusability with manageable complexity.
Data Source
AI summary
A tire-mounted sensor fixed to an inner wall of a tire includes: a sensor holding member including a sensor as a built-in sensor for detecting a physical amount applied to the tire and having a sensor terminal being exposed, a base portion as an attachment surface attached to the tire; and a sensor device being detachable from the sensor holding member including a controller receiving an input of a detection result of the sensor and performing signal processing, a transmitter transmitting information according to the detection result of the sensor acquired by the signal processing at the controller, and a terminal inputting the detection result of the sensor to the controller which is being exposed to have an electrical connection to the sensor terminal when the sensor device is attached to the sensor holding member.