Magnetic Protective Frames for Large Window and Door Openings
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Solution Overview
Problem
Existing protective frames for large windows and doors with minimalist designs face challenges in providing effective adhesion and ease of removal without altering the original design, especially when spanning dimensions exceed 1300×3000 mm, and require robust fixation to prevent unintentional movement.
Innovation Solution
A perimeter frame with magnetic elements distributed along the entire frame, including corners, reinforced by fixing and alignment squares, ensures adhesion to the fixed frame while allowing easy installation and removal, using neodymium magnets for strong traction and avoiding friction-induced damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If magnetic elements are placed only in the corners of the frame, then the structure is simpler and lighter, but the adhesion strength is insufficient for large spans
Solution Approach 1:
The magnetic fixing system is segmented into multiple discrete magnetic elements distributed along the perimeter frame rather than using continuous magnetic strips. This segmentation allows for optimized placement at critical points (corners and along edges) to maximize adhesion strength while maintaining structural simplicity and enabling easy removal.
2Reliability
If magnetic strips and magnetic profiles are used for fixation, then the structure is lighter, but the protection gives way under its own weight for large frames
Solution Approach 1:
Magnetic elements are strategically positioned at specific locations along the perimeter frame (corners and along edges) rather than uniformly distributed throughout. This local quality approach concentrates magnetic fixing strength where needed most to support the frame's own weight and provide stable adhesion, while using minimal magnetic material overall to keep the structure light.
3Reliability
If the protective frame is made robust to prevent unintentional removal, then adhesion is stronger, but ease of removal is reduced
Solution Approach 1:
The magnetic fixing system provides dynamic adhesion strength that can be adjusted by the user. The magnetic elements create strong enough adhesion to prevent unintentional removal during normal use, but the same magnetic elements can be easily overcome by deliberate user action to remove the protective frame for cleaning or storage. This dynamic characteristic allows the system to adapt between secure attachment and easy removal based on user needs.
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 a removable and robust protective frame that maintains the original design aesthetics, supports large spans, and prevents unintentional detachment, while allowing various panel types and materials, including aluminum, without altering the fixed frame.
Implementation Method 1
The magnetic part has a plurality of magnetic means (2) embedded inside and it adheres by magnetism to the fixed frame (8) of the window or door frame
Data Source
AI summary
The present invention relates to a protection frame for large frames, this protection frame aims to minimize pollution inside buildings through the placement of protective panels of specific types. The present invention comprises a perimeter frame (1) that surrounds a protective panel and has two parts: a magnetic part, which has embedded inside a plurality of magnetic means (2) and adheres by magnetism to the fixed frame of the window or door; and a non-magnetic part that incorporates the protective panel and is superimposed on the perimeter of vent, but does not contact it, avoiding damage. The perimeter frame (1) has fixing squares (3) located on the non-magnetic part, and alignment squares (5) located on the magnetic part, in this way the structure is reinforced and can thus increase the size of the job site rough opening/windows/doors.