Motor Vehicle Seat Back Panel Thermal Layer Integration
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Solution Overview
Problem
Existing integration methods for thermal elements in motor vehicle seat back panels are inefficient in regulating temperature effectively, particularly in second and third rows, where temperature control is crucial.
Innovation Solution
A back panel design incorporating a thermal layer with non-expanded and expanded foam layers, thermal paint or film, and a varnish layer, where the thermal layer can be either heating or cooling, and is formed through a method involving multiple deposition steps to achieve optimal temperature regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If thermal elements are integrated to the back panels of seat elements, then temperature regulation capability is improved, but manufacturing complexity and integration difficulty increase
Solution Approach 1:
The patent combines the thermal element integration process with the existing back panel manufacturing process. The thermal layer is deposited directly onto the back panel surface in the same production line, merging two separate operations (panel fabrication and thermal element installation) into one unified process, thereby reducing overall manufacturing complexity while maintaining temperature regulation functionality.
Solution Approach 2:
The back panel structure is designed to serve multiple functions simultaneously: it provides structural support, thermal insulation through foam layers, active temperature regulation via the thermal layer, and aesthetic appearance through the visible outer surface. This multi-functional design eliminates the need for separate thermal regulation components, simplifying the overall system while achieving effective temperature control.
2Temperature
If multiple layers (thermal layer, foam layers, varnish layer) are deposited on the back panel, then temperature regulation effectiveness is improved, but manufacturing process complexity increases
Solution Approach 1:
The back panel surface is prepared with specific pre-treatment steps (cleaning, activation, or priming) before thermal layer deposition to ensure optimal adhesion and thermal transfer. This preliminary preparation is integrated into the manufacturing flow, allowing the subsequent thermal layer and foam layer deposition to proceed efficiently without requiring separate complex assembly operations later.
Solution Approach 2:
The patent employs controlled deposition parameters for each layer (thermal layer thickness, foam expansion ratio, varnish curing conditions) to optimize thermal regulation performance. By precisely controlling these parameters during a single integrated manufacturing process, the system achieves effective temperature regulation without requiring multiple separate manufacturing stages, thus maintaining manufacturing simplicity.
3Measurement precision
If thermal paint or film is used as the thermal layer, then temperature control precision is improved, but material cost and application complexity increase
Solution Approach 1:
The patent replaces traditional mechanical thermal regulation elements (such as heating coils or PTC heaters) with a deposited thermal layer (thermal paint or film). This substitution eliminates complex mechanical assemblies, electrical connections, and control mechanisms, achieving precise temperature control through a simple deposited layer that can be applied directly to the back panel surface in the existing manufacturing line.
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 solution effectively regulates the temperature of motor vehicle seat spaces, providing comfort by efficiently managing heat and cold through the use of thermal layers and foams, enhancing passenger experience, especially in rear seats.
Implementation Method 1
Thermal heating and/or cooling elements are more and more often integrated to motor vehicle seats
Implementation Method 2
Thermal heating and/or cooling elements are more and more often integrated to motor vehicle seats
Implementation Method 3
the back panel comprises, on the inner surface of the thermal layer, a layer of non-expanded foam
Data Source
AI summary
A back panel of a motor vehicle seat includes, on its visible external back side, a thermal layer.