Vehicle Seat Heating Track and Biosensor Arrangement
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Solution Overview
Problem
In vehicle seats, the integration of heating and biosensor features often leads to interference, where high temperatures from heating elements can degrade or deteriorate biosensors, affecting their lifespan and functionality.
Innovation Solution
The heating track and biosensor array are arranged within the same layer of the seat body in a complimentary manner to avoid contact and interference, with the heating elements and sensors positioned to maintain separate access to the occupant without heat transfer, using a serpentinous shape and cavities to prevent exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If heating elements are integrated into the seat body, then heating comfort for the user is improved, but biosensors may be degraded or deteriorated by high temperatures
Solution Approach 1:
The seat body is divided into distinct layers with the heating track and biosensor array positioned in separate locations within the seat structure. This segmentation allows the heating function and sensing function to coexist without direct thermal interaction, resolving the contradiction between providing heat and protecting sensors from thermal degradation.
Solution Approach 2:
A thermal barrier or insulating layer is introduced between the heating track and the biosensor array to act as an intermediary. This intermediary element blocks heat transfer from the heating elements to the biosensors, allowing the heating system to operate at effective temperatures while protecting the temperature-sensitive biosensors from degradation.
2Measurement precision
If heating track and biosensor array are placed close to the occupant, then heating effectiveness and sensor detection accuracy are improved, but interference between heating elements and sensors increases
Solution Approach 1:
Different regions of the seat body are assigned different functions with varying thermal properties. The biosensor array is positioned in a region with lower thermal exposure or enhanced thermal insulation, while the heating track operates in a separate zone. This local differentiation allows accurate biosensor detection near the occupant while minimizing heat interference through spatial and thermal zone differentiation.
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
This arrangement enhances the lifespan and functionality of biosensors by preventing heat exposure, allowing for effective biophysical parameter detection and comfortable heating provision without interference with other seat features.
Implementation Method 1
a heating track configured to emit heat. The heating track may extend in thermal communication with at least a portion of the external covering to provide heating to a user occupying the vehicle seat
Data Source
AI summary
A vehicle seat may include a seat body having a seat base and a backrest arranged to extend upward from the base. The seat body may include an exterior covering. The vehicle seat may further include a comfort system disposed within the seat body and including a heating track configured to emit heat.