Heating Element Cover Assembly for Gap-Free Pipe Heat Transfer

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Solution Overview

Problem

Conventional heating element covers for radiant cooling and heating apparatuses require high processing accuracy and time-consuming operations due to gaps between abutting portions and the flow pipe, which can lead to heat loss and reduced thermal conductivity.

Innovation Solution

A heating element cover component with a hollow outer shell, flexible and thermally conductive abutting portions, connecting portions, and engaging elements that allow for close fitting and assembly without special tools, featuring a slit design for flexibility and thermal conductivity, and an alumite processing for corrosion resistance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If high processing accuracy is used to closely fit abutting portions to the flow pipe, then thermal conductivity is improved, but manufacturing cost and complexity increase

Engineering Contradiction:
Improvethermal conductivityVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The abutting portions are designed with flexible material properties allowing elastic deformation during assembly. This flexibility enables the abutting portions to conform to the flow pipe outer surface without requiring high processing accuracy, while still achieving intimate contact for effective thermal conduction. The flexible design eliminates the need for precision machining, reducing manufacturing cost and complexity.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The invention changes the physical state parameters of the abutting portions by applying elastic pressing force through the flexible material. This parameter change allows the abutting portions to dynamically adapt their shape to match the flow pipe surface, achieving good thermal contact without requiring precise dimensional control during manufacturing.

Inventive Principle:
Principle #35Parameter changes

2Loss of energy

If high processing accuracy is used to closely fit abutting portions to the flow pipe, then heat loss is reduced, but manufacturing complexity increases

Engineering Contradiction:
Improveheat lossVSAvoidmanufacturing complexity
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The flexible abutting portions naturally conform to the flow pipe surface through elastic deformation, creating intimate contact that eliminates gaps and prevents heat loss. This approach achieves energy efficiency without complex manufacturing processes or high precision requirements.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The abutting portions perform self-adjustment through elastic deformation during assembly, automatically achieving the optimal fit with the flow pipe surface. This self-service mechanism eliminates the need for complex assembly procedures or precision machining, reducing both manufacturing complexity and heat loss simultaneously.

Inventive Principle:
Principle #25Self-service

3Reliability

If heat radiation grease is applied to fill gaps, then close-fitting is achieved, but assembly time and labor increase

Engineering Contradiction:
Improveclose-fitting propertyVSAvoidassembly time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The flexible abutting portions achieve close-fitting through elastic deformation during a simple pressing operation, eliminating the need for heat radiation grease application. This reduces assembly time and labor while maintaining reliable thermal contact.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The invention extracts and eliminates the heat radiation grease step from the assembly process by using flexible material properties to achieve the same close-fitting result through mechanical deformation alone, significantly reducing assembly time and complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

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 provides improved thermal conductivity, reduced manufacturing costs, and efficient heat exchange with no gaps between the heating element and cover, enabling quick assembly and enhanced performance.

Implementation Method 1

a substantially half-pipe shaped abutting portion (134a, 134b) having flexibility and thermal conductivity

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

an alumite processing for corrosion resistance

Methodology Applied
Scientific EffectAnodizing: Anodising

Data Source

PatentEP3232128B1Heating element cover component, heating elelment cover, radiation cooling and heating equipment, and air-conditioning system
Publication Date: 2019.01.02 ECO FACTORY CO LTD
  • EP3232128B1 patent drawingFigure 1
  • EP3232128B1 patent drawingFigure 2(a)~2(b)
  • EP3232128B1 patent drawingFigure 3~4

AI summary

A heating element cover component 13a includes an outer shell portion 131a of a required length with a space 132, having required rigidity and thermal conductivity, a substantially half-pipe shaped abutting portion 134a formed with a required thickness at a required site of the outside of the outer shell portion 131a in parallel with a longitudinal direction of the outer shell portion 131a, having flexibility and thermal conductivity, and with a slit 135a penetrating in a thickness direction formed over the entire length in parallel with the longitudinal direction, a connecting portion 136 having flexibility and thermal conductivity, connecting opposed edges of the abutting portion 134a parallel to the longitudinal direction with the outer shell portion 131a, and an engaging portion constituted with a projecting piece 138a and a projecting piece inserting portion 140a being engaging elements that are disposed at line-symmetrical positions using a longitudinal straight line located at a widthwise middle of the abutting portion 134a as an axis of symmetry to form a pair structured to be engageable with each other.