Magnetic Filter Fixing Device for Leak-Proof Sealing
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Solution Overview
Problem
Filter devices at air inlets of dust-free rooms vibrate due to air flow, leading to leaks and poor filtering effects, and have fixed sizes with sharp edges that can cause injuries during assembly.
Innovation Solution
A filter system with a magnetic fixing device and a frame that can be adjusted in size, using ferromagnetic elements for tight sealing and reducing sharp edges through magnetic absorption and connecting members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-size frame is used in the filter device, then the manufacturing process is simple, but the adaptability to different filter sizes is poor
Solution Approach 1:
The frame is divided into multiple detachable sections that can be assembled in different configurations. Each section can be independently manufactured and then combined to form frames of various sizes, allowing the same basic components to adapt to different filter dimensions while maintaining manufacturing simplicity.
Solution Approach 2:
The frame structure incorporates adjustable elements that allow dynamic reconfiguration between different sizes. This enables the frame to transition from a fixed configuration to an adaptable one, where components can be moved or repositioned to accommodate various filter dimensions without requiring completely different frame designs.
2Productivity
If aluminum extrusion method is used to manufacture the frame, then the manufacturing efficiency is high, but sharp edges are produced that can cause injury to operators
Solution Approach 1:
The frame design incorporates rounded corners and curved edges instead of sharp angular features. This curvature modification eliminates the harmful sharp edges while maintaining the structural integrity and manufacturing efficiency of the aluminum extrusion process, making the frame safe for operator handling.
Solution Approach 2:
The geometric parameters of the frame edges are modified to change from sharp angles to rounded profiles. This parameter change in the edge geometry maintains the extrusion manufacturing process efficiency while eliminating the harmful sharp edges that could injure operators.
3Reliability
If the frame is tightly combined with the filter to prevent leaks, then the air tightness is improved, but the device complexity increases due to additional sealing mechanisms
Solution Approach 1:
The magnetic fixing device replaces complex mechanical sealing mechanisms with a magnetic field-based attachment system. The magnetic force provides sufficient holding strength to maintain air tightness without requiring intricate mechanical seals, gaskets, or fastening systems, thereby reducing device complexity while improving reliability.
Solution Approach 2:
The attachment mechanism transitions from mechanical interlocking or sealing to magnetic attraction. This parameter change in the fundamental attachment principle simplifies the sealing mechanism while maintaining or improving air tightness through the distributed magnetic force across the filter frame interface.
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 system achieves high air tightness, prevents leaks, and reduces operator injury by allowing adjustable frame sizes and eliminating sharp edges, enhancing filtering efficiency and safety.
Implementation Method 1
A magnetic unit is disposed on at least one side of the filter device. The magnetic unit is used to adsorb an inner side of the frame
Data Source
AI summary
A filter device and a filter system are provided. A magnetic unit is disposed on at least one side of the filter device. The filter device includes a filter and a magnetic fixing device. The filter includes a first side wall. The magnetic fixing device includes a body, a clipping portion, and the magnetic unit. The body includes a top edge, a bottom edge, a first side face, and a second side face opposite to the first side face. The clipping portion includes a top flange extending from the top edge along the facing direction of the first side face by a first distance and a clip plate extending from an outer edge of the top flange toward the bottom edge by a second distance. The first side wall is clipped between the clip plate and the first side face. The magnetic unit is disposed on the second side face. The filter system includes a frame and the filter device.