Air Handling Unit Component Extraction Using Movable Rail System
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Solution Overview
Problem
Existing air handling units pose safety and efficiency concerns as operators must physically strain and lean inside the unit to extract components like filters or separators, which are often mounted orthogonally and require dismounting through openings in insulating panels.
Innovation Solution
The air handling unit incorporates movable rails that allow components to be extracted from the edges, eliminating the need to lean inside by translating them out of the housing, with features like handles, hooked elements, and L-shaped designs for easier operation and liquid evacuation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If components are mounted orthogonally in the air handling unit, then the air flow treatment function is improved, but the ease of operation deteriorates as operators must lean inside to extract components
Solution Approach 1:
A movable rail system acts as an intermediary mechanism between the component and the operator. The rail allows the component to be extracted through a guiding path that extends the component's trajectory outward from the housing, eliminating the need for operators to lean inside and improving safety while maintaining orthogonal mounting benefits
Solution Approach 2:
The extraction path is extended into a third dimension by using a movable rail that protrudes from the housing. Instead of direct linear extraction, the component travels along a rail that provides an extended extraction dimension, allowing operators to access components from outside the housing while maintaining the orthogonal mounting arrangement
2Productivity
If components are mounted fixedly on the structural frame, then the structural stability is improved, but the productivity deteriorates due to time-consuming extraction operations
Solution Approach 1:
The rail system transitions from a static structural frame to a dynamic extraction mechanism. The movable rail can slide along the structural frame during extraction, providing a guided motion path that accelerates component removal while maintaining the stability of the fixed structural frame during normal operation
Solution Approach 2:
The extraction function is segmented from the structural frame by introducing a separate movable rail component. This segmentation allows the rail to be optimized for rapid extraction motion while the structural frame maintains its stability function, enabling simultaneous optimization of both structural integrity and extraction speed
Data Source
AI summary
This air handling unit (1) comprises a structural frame (3, 5), and air handling components (15) enclosed within a housing (7), at least one of said components (15) having a rectangular shape arranged orthogonally to an air flow direction (F1, F2), and mounted by its edges (151, 153) on the structural frame. The at least one of the components (15) is mounted by one of its edges (151) on at least one movable rail (17) which is mounted in a sliding manner in a stationary rail (19) integral with the structural frame (3, 5) or the housing (7), the movable rail (17) being extractable with respect to the stationary rail (19) out of the housing (7) so that the component (15) can be extracted from the air handling unit (1).