Seat element panel
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Solution Overview
Problem
Existing integration methods for thermal elements in motor vehicle seat back panels are inefficient in temperature regulation, particularly for seats in second and third rows, where thermal comfort is often compromised.
Innovation Solution
A back panel structure comprising a layer of paint, a layer of non-expanded foam, at least one thermal device, and a layer of expanded foam, with the thermal device including options like heating elements, cooling elements, thermal paint, thermal films, Peltier-effect elements, or resistive conductive wires, and a varnish layer for improved thermal performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If thermal elements are integrated into seat back panels using conventional methods, then thermal comfort should be improved, but the temperature regulation efficiency is insufficient particularly for seats in second and third rows
Solution Approach 1:
The patent applies local quality by positioning thermal elements specifically at the rear face of the back panel, creating a localized thermal management zone. This concentrates thermal energy where it is most needed for rear row seats, improving temperature regulation efficiency in previously underserved areas rather than distributing thermal elements uniformly throughout the entire panel structure.
Solution Approach 2:
The patent implements nesting by integrating thermal elements within a multi-layer composite structure that includes adhesive layers, foam layers, and protective coatings. The thermal elements are embedded nested within these layers, allowing them to be closely positioned against the rear panel surface while being protected and secured by the surrounding structural layers.
2Temperature
If thermal devices are placed close to the rear surface to improve thermal performance, then thermal comfort is enhanced, but the integration complexity increases
Solution Approach 1:
The patent merges multiple functions into a single integrated composite panel structure. The rear panel combines structural support, thermal management, insulation, and protective functions all in one assembly. The thermal elements, adhesive layers, foam layers, and coatings are merged into a unified structure that simplifies installation and reduces overall system complexity despite the advanced thermal performance.
Solution Approach 2:
The patent uses composite materials by creating a multi-layer structure combining different materials with complementary properties: adhesive layers for bonding, foam layers for insulation and cushioning, thermal elements for temperature control, and protective coatings for durability. This composite approach achieves superior thermal performance while maintaining structural integrity and simplifying integration.
3Temperature
If expanded foam is used for insulation and thermal performance, then thermal comfort is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The patent applies preliminary action by using pre-formed foam layers that are prepared in advance with the appropriate thickness and properties for thermal insulation. These pre-prepared foam layers are then integrated into the back panel assembly, eliminating the need for complex on-site foam application and curing processes, thereby simplifying the overall manufacturing workflow while maintaining superior thermal insulation performance.
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 proposed structure effectively regulates temperature across multiple rows of seats, enhancing thermal comfort by placing thermal devices close to the rear surface and utilizing expanded foam for improved insulation and air-filled cavities, thereby optimizing thermal performance.
Implementation Method 1
utilizing expanded foam for improved insulation and air-filled cavities, thereby optimizing thermal performance
Implementation Method 2
the thermal device comprises at least one Peltier-effect element
Data Source
AI summary
A back panel of a motor vehicle seat element successively includes a layer of paint, a layer of non-expanded foam, at least one thermal device, and a layer of expanded foam.