Power Converter Cabinet Hinge for Adjustable Door Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cabinet designs with cantilever-supported doors face challenges in adjusting the inclination angle, leading to potential gaps and dust intrusion due to the door's tendency to hang downward over time.
Innovation Solution
A cabinet with a housing, door, support member, and a rotation mechanism that allows the door to rotate around a second axis orthogonal to the plane direction of the opening, enabling easy adjustment of the inclination angle without removing the door from the housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the door is supported in a cantilever manner to enable rotation, then the door can be opened and closed, but the free end side of the door tends to hang downward due to gravity
Solution Approach 1:
The hinge mechanism is designed to allow dynamic adjustment of the door's inclination angle. The support member can be positioned at different locations along the hinge axis, enabling the door to be set at various angles (including non-parallel positions relative to the housing) while maintaining stability at each adjusted position.
Solution Approach 2:
The inclination angle of the door is made adjustable by changing the position of the support member along the hinge axis. This parameter change allows the door to transition from a fixed parallel position to various adjustable angles, resolving the issue of the door hanging downward by enabling optimal angle selection.
2Device complexity
If the door is fixed in a parallel position to the housing, then the structure is simple, but the door cannot be adjusted to prevent gaps and dust intrusion
Solution Approach 1:
The hinge mechanism provides dynamic adjustability while maintaining structural simplicity. The support member can be repositioned along the hinge axis to achieve different door angles, allowing the door to be adjusted to eliminate gaps and prevent dust intrusion without complicating the overall door structure.
Solution Approach 2:
The hinge mechanism serves multiple functions: it enables door rotation for opening/closing, allows inclination angle adjustment for sealing, and maintains structural simplicity. This multi-functionality resolves the contradiction between simple structure and reliable sealing performance.
3Ease of manufacture
If the support member position is fixed, then the manufacturing is simple, but the door inclination angle cannot be adjusted
Solution Approach 1:
The hinge assembly is designed with a movable support member that can be repositioned along the hinge axis during assembly or maintenance. This dynamic positioning capability allows the door inclination angle to be adjusted while keeping the manufacturing process relatively simple, as the support member can be positioned at different locations without requiring complex adjustment mechanisms.
Solution Approach 2:
The hinge assembly is segmented into the hinge axis and the movable support member, allowing independent positioning of the support member along the axis. This segmentation enables easy adjustment of the door inclination angle while maintaining simple manufacturing of each component.
Data Source
AI summary
A power converter includes a cabinet and an electric device accommodated in the cabinet. The cabinet includes a housing, a door, a support member, and a rotation mechanism. The door is rotatably supported around a first axis with respect to the housing. The support member is interposed between the housing and the door to support the door in the housing. The rotation mechanism rotates the door with respect to the housing around a second axis along a direction orthogonal to a plane direction of an opening of the housing.