Ceiling Ventilation Outlet for Tool-Free Filter Maintenance
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Solution Overview
Problem
Existing ventilation devices require extensive disassembly or ceiling opening for maintenance of air filters and condensate trays, making regular inspection, cleaning, and replacement cumbersome and time-consuming, especially for large installations.
Innovation Solution
The ventilation device features a detachable slot outlet panel and pivotable condensate tray, allowing for tool-free access and removal of air filters and condensate trays through the air outlet, eliminating the need for extensive disassembly or ceiling opening, with elastic locking elements ensuring easy and secure attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the air filter and condensate pan are fixed securely in the housing, then the device structure is stable and reliable, but maintenance requires removing the entire device from the ceiling or opening the ceiling extensively
Solution Approach 1:
The housing is divided into separable components: the air filter, condensate pan, and slot outlet screen are designed as detachable modules that can be independently removed through the air outlet. This segmentation allows maintenance of individual components without disturbing the entire device installation in the ceiling.
Solution Approach 2:
The air filter and condensate pan are extracted from the traditional fixed internal position and redesigned to be removable through the air outlet. The slot outlet screen serves as the extraction pathway, allowing these components to be taken out for maintenance while the device remains installed in the ceiling.
2Stability of the object's composition
If the slot outlet screen is permanently fixed to the housing, then the device structure is stable, but maintenance of air filter and condensate pan becomes complex and time-consuming
Solution Approach 1:
The slot outlet screen's attachment state is made dynamic rather than static. It can transition between a fixed latched state during normal operation (providing structural stability) and a detached state during maintenance (enabling quick access). The elastically deformable latching elements allow this dynamic transition without tools.
3Ease of operation
If the air outlet is made large enough to allow removal of air filter and condensate pan, then maintenance is easier, but the air outlet design becomes more complex and may affect room aesthetics
Solution Approach 1:
The air outlet maintains a compact, aesthetically pleasing appearance during normal operation while dynamically opening up for maintenance. The elastically deformable latching elements allow the slot outlet screen to be quickly displaced, temporarily increasing the effective opening size without requiring a permanently large or complex air outlet structure.
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
Facilitates quick and cost-effective maintenance of multiple devices without requiring extensive effort or ceiling access, maintaining flexibility in room design while ensuring hygienic operation and efficient air flow.
Implementation Method 1
the slot outlet screen is fastened to the housing by at least one elastically deformable or displaceable first latching element
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The invention relates to a ventilation device (3) for ventilating and/or air-conditioning a room in a building or the like, having a housing (6) which has an air inlet (7) and an air outlet (8), with the air inlet (7) and air outlet (8), an air flow path is formed through the housing (6), to which an air conveying device (16) on the one hand and an air filter (13), a heat exchanger (14) and/or a condensate pan (19) on the other hand are assigned, and the air outlet (8) a slot outlet screen (22) arranged on the housing (6) and covering the air outlet (8) is assigned. It is provided that the slit outlet screen (22) is releasably attached to the housing (6) and that the air filter (13) and/or the condensate pan (19) are releasably attached in the housing in such a way that they pass through the air outlet (8th ) can be removed from the housing (6).