Door and Window Insulation Structure with Segmented Heat Barriers

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Solution Overview

Problem

Traditional doors and windows suffer from poor thermal insulation due to direct heat transfer through partial sectional materials and cavities formed between the side frame and the door/window, leading to reduced insulation performance.

Innovation Solution

An insulation structure with a thermal insulation assembly comprising first and second sectional materials disconnected by a compensating member, and staggered fixing parts to prevent direct heat transfer and cavity formation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If partial sectional materials are used in the side frame, then the structure is simplified and ease of manufacture is improved, but direct heat transfer between indoor and outdoor occurs, worsening thermal insulation performance

Engineering Contradiction:
Improveease of manufactureVSAvoidthermal insulation performance
Core Design Contradiction:
Ease of manufactureVSLoss of energy

Solution Approach 1:

The sectional material is divided into multiple segments (first sectional material, second sectional material, third sectional material) that are disconnected from each other, preventing direct heat transfer pathways while maintaining the simplified structure benefits

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A thermal insulation assembly acts as an intermediary between the disconnected sectional materials, providing thermal resistance and blocking heat transfer while allowing the structure to remain simple and easy to manufacture

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If cavities are formed between the side frame and door/window, then the structure is simplified, but heat radiation through cavities occurs, worsening thermal insulation performance

Engineering Contradiction:
Improvestructure complexityVSAvoidthermal insulation performance
Core Design Contradiction:
Device complexityVSLoss of energy

Solution Approach 1:

The thermal insulation assembly is extracted and placed within the side frame structure, filling the cavity space and eliminating the heat radiation pathway while keeping the overall structure simple

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Thermal insulation material is specifically placed in the cavity regions where heat radiation would occur, providing localized thermal resistance without increasing overall structural complexity

Inventive Principle:
Principle #3Local quality

3Reliability

If sectional materials are directly connected from indoor to outdoor, then heat transfer path is continuous, but thermal insulation performance deteriorates

Engineering Contradiction:
Improvethermal insulation performanceVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The continuous sectional material is segmented into multiple disconnected parts, breaking the heat transfer path and improving thermal insulation without significantly increasing structural complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The thermal insulation assembly serves multiple functions: it blocks heat transfer, fills cavity spaces, and maintains structural integrity, improving insulation performance without proportionally increasing complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 prevents direct heat transfer and cavity-induced heat radiation, enhancing thermal insulation performance by disconnecting sectional materials and staggering fixing parts.

Implementation Method 1

the first sectional material and the second sectional material are disconnected by the compensating member, which avoids the direct heat transfer between the first sectional material and the second sectional material

Methodology Applied
Scientific EffectThermal Insulation: Thermal Insulation

Implementation Method 2

the first fixing parts and the second fixing parts of the above door and window insulation structure are staggered, which solves the problem of the direct heat radiation due to the formation of the cavity between the side frame and the door and window

Methodology Applied
Scientific EffectThermal Radiation: Thermal Radiation

Data Source

PatentUS20250223864A1Insolation structure and door and window insulation structure
Publication Date: 2025.07.10 GUANGDONG BUCALU CURTAIN WALL WINDOW & DOOR SYSTEM CO LTD
  • US20250223864A1 patent drawing
  • US20250223864A1 patent drawing
  • US20250223864A1 patent drawing

AI summary

Insulation structure includes main-body assembly and side frame including frame body and thermal insulation assembly arranged in frame body. Thermal insulation assembly includes first sectional material, compensating member, and second sectional material connected in sequence. Main-body assembly is arranged on frame body. Thermal insulation assembly is arranged in length direction of frame body. First sectional material is located indoors. Second sectional material is located outdoors. Door and window insulation structure includes side frame and main body portion arranged on and slidingly connected to side frame including frame body and multiple first fixing parts arranged at intervals and all arranged on frame body. Main body portion includes main body and multiple second fixing parts arranged at intervals and all arranged on main body. One first fixing part is correspondingly inserted between two adjacent second fixing parts, and one second fixing part is correspondingly inserted between two adjacent first fixing parts.