Vehicle Floor Heating via Modular Heat-Conducting Profiles

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing heating and cooling systems for vehicles with floating internal floors, such as railway vehicles, are complex, expensive, and difficult to manufacture, assemble, and replace, with known solutions either being unsuitable for refrigeration or requiring lengthy disassembly for maintenance.

Innovation Solution

A heating and/or cooling device comprising a support structure with elongated structural elements and internal floor elements made of heat-conducting materials, where the structural elements include a profile and a heating/cooling unit connected via contact surfaces for efficient thermal conduction, allowing for quick assembly and replacement while maintaining uniform temperature within the vehicle.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If heating sheets are bonded to floor panels after installation, then heating function is added to existing floors, but replacement and maintenance require lengthy disassembly and disruption of other assembly work

Engineering Contradiction:
Improveheating functionVSAvoidreplacement time
Core Design Contradiction:
Adaptability or versatilityVSEase of repair

Solution Approach 1:

The floor is divided into modular panels, each with an integrated heating sheet. This segmentation allows individual panels to be removed and replaced independently without disrupting the entire floor assembly, directly solving the maintenance accessibility problem while preserving the heating function.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The heating sheet is merged with the floor panel during manufacturing, creating an integrated unit. This combination eliminates the need for separate installation of heating elements and enables easy replacement of the entire panel as a single module, addressing both the heating function requirement and the maintenance difficulty.

Inventive Principle:
Principle #5Merging (Combining)

2Ease of repair

If modular composite floor panels with heating units are used, then heating units can be quickly replaced, but the panels become complex and expensive

Engineering Contradiction:
Improvereplacement timeVSAvoidpanel complexity
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The heating sheet is merged with the floor panel during manufacturing, creating an integrated unit. This combination eliminates the need for separate installation of heating elements and enables easy replacement of the entire panel as a single module, addressing both the heating function requirement and the maintenance difficulty.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If heating sheets are bonded to floor panels, then heating function is provided, but the sheets cannot be easily replaced if damaged

Engineering Contradiction:
Improveheating functionVSAvoidassembly simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The floor is divided into modular panels, each with an integrated heating sheet. This segmentation allows individual panels to be removed and replaced independently without disrupting the entire floor assembly, directly solving the maintenance accessibility problem while preserving the heating function.

Inventive Principle:
Principle #1Segmentation

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 enables simpler, cost-effective manufacturing and assembly of heating and cooling systems for vehicles, facilitating quick replacement of components and achieving homogeneous temperature distribution within the vehicle, reducing energy consumption and assembly time.

Implementation Method 1

the heat fluxes generated by said heating and/or cooling unit are transmitted by said elongated structural element to heat or cool the ambient air inside said vehicle

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

said heating and/or cooling unit, which is connected to said profile by means of one or more contact surfaces ensuring good thermal conduction between said heating and/or cooling unit and said profile

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentEP2983957B1Heating and/or cooling device for vehicles provided with an inner floor
Publication Date: 2019.10.16 CONSTELLIUM VALAIS SA AG
  • EP2983957B1 patent drawingFigure 1~2

AI summary

The invention relates to a device for heating and/or cooling a vehicle provided with an inner floor, including a supporting structure (10), an elongate structural element (9) and an inner floor (3), in which: a) said elongate structural element (9) includes a profile member (90) which is made of a heat-conductive material and which has an upper bearing surface (97) for supporting the inner floor elements, and a heating and/or cooling unit (40) in contact with said profile member; b) each inner floor element (30) includes an edge (31) made of a heat-conductive material which has a lower bearing surface (37) and a heat-conductive layer (32) in contact with said edge; c) after mounting said inner floor, said lower bearing surface (37) and said upper bearing surface (97) are connected to one another by means of one or more contact surfaces (S) ensuring good thermal conductivity between said inner floor element and said profile member.