Garment Steamer Groove Design for Responsive Temperature Control
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Solution Overview
Problem
Garment care devices face challenges in controlling the temperature of steam generators due to the cooling effect of water and heating by electrical heaters, leading to responsiveness and uniformity issues, which affect steaming performance.
Innovation Solution
The garment care device features a steam generator with a temperature sensor arranged centrally and grooves on the steaming surface to efficiently distribute water, guiding it towards the rear area to reduce 'hot spots and enhance temperature control, allowing for more responsive and uniform temperature management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If water is supplied to the steam generator for cooling and steam generation, then the cooling effect is improved, but the temperature control responsiveness deteriorates due to slow water distribution
Solution Approach 1:
The steaming surface is segmented into multiple functional zones: a water dosing point for water supply, a main groove for primary water transport, first and second grooves for water distribution, and a central area for temperature sensing. This segmentation allows water to be efficiently directed through specific pathways to the central area, improving both cooling effect and temperature control responsiveness by ensuring rapid water delivery to where it is needed most.
2Temperature
If water is supplied to the steam generator, then the cooling effect is improved, but the temperature uniformity deteriorates due to poor water spreading
Solution Approach 1:
Different areas of the steaming surface are given different qualities and functions: the main groove provides a primary water transport pathway, the first and second grooves provide additional distribution pathways, and the central area is designated for temperature sensing. This local differentiation ensures that water is effectively distributed to areas needing cooling while maintaining temperature uniformity across the steam generator surface.
3Loss of time
If the temperature sensor is arranged in the central area, then the temperature control responsiveness is improved, but the water distribution uniformity deteriorates without proper water guidance structures
Solution Approach 1:
Water guidance structures (main groove, first groove, second groove) are pre-configured in the steaming surface to guide water toward the central area where the temperature sensor is located. This preliminary action ensures that water is systematically directed to the sensing area before temperature measurement and control actions occur, improving both temperature control responsiveness and water distribution uniformity.
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
This design improves the responsiveness and reliability of temperature control, facilitating enhanced steaming performance by ensuring even heating and cooling, thus enabling smart temperature control and reducing the risk of spitting.
Implementation Method 1
The inclined bottom surface of the main groove means that water flows faster away from the dosing point in the direction of the central area when the treatment surface is horizontally orientated
Implementation Method 2
the steam generator being heated by an electrical heater
Implementation Method 3
a temperature sensor having a temperature sensing element for generating a signal for controlling the electrical heater
Implementation Method 4
The water supplied to the steam generator has a cooling effect on the steam generator
Implementation Method 5
the water supplied to the steam generator has a cooling effect on the steam generator
Data Source
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AI summary
A garment care device comprising a treatment surface (109), a steam generator (104) having a steaming surface (172) with a water dosing point (DP), an electrical heater (144) and a temperature sensor having a temperature sensing element, which is arranged in a central area (CA) of the steaming surface. A main groove (176) is arranged in the steaming surface and has a first extremity (178) arranged at proximity of the water dosing point and a second extremity (179) arranged at proximity of the central area. The main groove has a bottom surface which is inclined compared to the treatment surface. The main groove thus carries water between the water dosing point and the central area. A first groove (180A) is also arranged in the steaming surface extending towards a first rear area of the steaming surface. The main groove and the first groove are fluidly connected at the second extremity.