Rotatable Air Outlet for Temperature-Directed Room Ventilation
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Solution Overview
Problem
Existing air outlets struggle to control air flow effectively, particularly in directing cold and warm air for optimal ventilation, as they cannot adjust the direction of air flow to prevent drafts and ensure deep penetration into rooms.
Innovation Solution
An adjustable air outlet with a rotatable outlet connection and guide elements, combined with a thermal motor or manual adjustment, allows for temperature-dependent control of air flow direction, enabling optimal distribution of cold and warm air by varying the gap size and orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the outlet connection is fixed in position, then the structure is simple, but the air flow direction cannot be adjusted for different temperatures
Solution Approach 1:
The outlet connection is made rotatable relative to the frame, allowing dynamic adjustment of the air flow direction. The connection can rotate between a first position for warm air and a second position for cold air, transforming a static structure into a dynamic one that adapts to different ventilation requirements
Solution Approach 2:
The orientation parameter of the outlet connection is changed through rotation to achieve different air flow directions. By adjusting the rotational position of the outlet connection, the system optimizes air distribution for different temperature conditions without changing the physical structure
2Adaptability or versatility
If the gap between frame and outlet connection is large, then warm air can penetrate deep into the room, but cold air cannot be directed along the ceiling
Solution Approach 1:
The gap between the frame and outlet connection is made dynamically adjustable through the rotational movement of the outlet connection. When rotated to the first position, the gap allows warm air to penetrate deep; when rotated to the second position, the gap configuration directs cold air along the ceiling
Solution Approach 2:
The same gap structure serves multiple functions depending on the rotational position of the outlet connection. The gap configuration optimizes both warm air penetration and cold air distribution along the ceiling, making a single structure adaptable to different temperature conditions
3Extent of automation
If manual adjustment is used, then the device is simple, but automatic temperature-dependent control is not achieved
Solution Approach 1:
The manual mechanical adjustment system is replaced with an automatic thermal motor system. The thermal motor uses thermal expansion elements that respond directly to temperature changes, automatically adjusting the outlet connection position based on the temperature of incoming air without requiring external control systems
Solution Approach 2:
The thermal motor system enables the air outlet to self-regulate based on air temperature. The expansion element responds autonomously to thermal conditions, automatically positioning the outlet connection optimally for the current temperature regime without external intervention
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 ensures efficient and draft-free ventilation by directing warm air deep into rooms and cold air along ceilings before sinking, optimizing room ventilation and energy usage.
Implementation Method 1
A thermal motor is used to drive the rotary movement of the outlet nozzle. This has an expansion element that expands when heated.
Implementation Method 2
The outlet connection has guide elements, preferably with a slippery coating, which interact with the link(s) and run in them.
Data Source
Figure 1~2
Figure 3
AI summary
In the case of an air outlet for introducing warm and/or cold air into a room through an outlet connection (2) surrounded by a frame (3), the outlet connection (2) should be movable relative to the frame (2) in the direction of flow (K). be.