Textile Drum Rotation and Steam Control for Wrinkle Reduction
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Solution Overview
Problem
Current textile treatment methods do not optimally manage drying, refreshment, and anti-crease sequences, leading to suboptimal textile quality due to variations in rotation speed, humidity, and load conditions, which affect wrinkle formation and surface interaction with ambient air.
Innovation Solution
A textile treatment apparatus with a control unit that adjusts drum rotation speed, direction, and steam supply based on textile type, weight, and humidity to optimize the interaction between textiles and ambient air, incorporating a detection system for automatic or user-inputted parameters to customize treatment sequences and prevent overloading or excessive mechanical stress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the drum rotates at high speed to maximize textile movement and air interaction, then drying efficiency is improved, but mechanical stress on textiles increases causing wrinkles
Solution Approach 1:
The drum rotation speed is dynamically adjusted based on the treatment sequence phase. During drying sequences, higher speeds are used to maximize air interaction and evaporation. During refreshment and anti-crease sequences, the speed is reduced to minimize mechanical stress and wrinkle formation while still maintaining sufficient movement for steam penetration and textile relaxation.
Solution Approach 2:
The treatment process uses periodic alternation between different rotation speed regimes. The control unit switches between high-speed drying phases and low-speed anti-crease phases in a structured sequence, allowing the textiles to experience both intensive drying action and gentle preserving action at different time intervals.
2Productivity
If the drum rotates at medium speed to maximize exposed surface area, then air exchange and drying performance are improved, but textile quality preservation deteriorates due to increased movement and friction
Solution Approach 1:
The system dynamically adjusts rotation speed based on the current treatment phase. During anti-crease sequences, the drum rotates at lower speeds that minimize textile movement and friction while still allowing steam penetration. During drying phases, higher speeds are employed to maximize air exchange and drying efficiency.
Solution Approach 2:
The control unit changes the rotation speed parameter according to the treatment sequence phase. By modifying this key operational parameter, the system optimizes the balance between air exchange rate and textile quality preservation for each specific phase of the treatment process.
3Manufacturing precision
If steam is supplied continuously to maintain textile quality, then anti-crease effect is improved, but energy consumption increases
Solution Approach 1:
Steam is supplied periodically rather than continuously. The control unit activates steam supply during specific phases of the treatment sequence (refreshment and anti-crease sequences) when textile quality preservation is the priority, and reduces or stops steam supply during drying phases when energy efficiency is more important. This periodic supply pattern maintains textile quality while significantly reducing overall energy consumption.
Solution Approach 2:
The treatment sequence is designed to maintain useful action continuity by alternating between steam supply phases and drying phases. During steam phases, textile quality is preserved; during drying phases, moisture is removed. This continuous alternation ensures that textile quality is maintained throughout the process without requiring constant steam supply, thereby reducing energy consumption.
4Manufacturing precision
If detection systems and control algorithms are added to optimize treatment sequences, then textile quality is improved, but device complexity increases
Solution Approach 1:
The control unit receives feedback from various sensors (humidity sensors, temperature sensors, load detection) and automatically adjusts the treatment sequence parameters accordingly. This feedback mechanism allows the system to optimize textile treatment quality by adapting to actual conditions without requiring complex manual intervention or overly sophisticated control algorithms.
Solution Approach 2:
The control unit automatically determines the optimal treatment sequence based on detected parameters such as textile load, humidity levels, and temperature. The system serves itself by making real-time decisions about rotation speed, steam supply timing, and sequence selection without requiring complex external control systems or manual operation, thereby improving textile quality while keeping the control architecture relatively simple.
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 apparatus ensures optimal textile quality by maximizing surface interaction with ambient air, reducing mechanical stress, and minimizing wrinkle formation through tailored treatment sequences, enhancing the effectiveness of drying, refreshment, and anti-crease processes.
Implementation Method 1
the centrifugal force is so low before reaching the upper turning point of the drum that the laundry falls down in a free fall within and nearly midway through the inner space 4
Implementation Method 2
the laundry steadily releases from the inner wall, and the centrifugal force is so low before reaching the upper turning point of the drum that the laundry falls down in a free fall
Implementation Method 3
In the anti-crease and the long anti-crease sequences hot water steam is supplied into the drum storing the textiles
Data Source
Figure 1A~2
Figure 3A~3C
Figure 4~5B
AI summary
Textile treatment apparatus (10), in particular dryer or washing machine having refreshment, anti-crease and/or drying function, comprising: a control unit (12) adapted to control at least one treatment program, in particular at least one treatment program comprising at least one drying, refreshment and/or anti-crease program sequence; an input unit (30) for selecting and/or initiating the at least one treatment program by a user; a drum (2) for storing textiles (6) to be treated; and a drive unit (14) for rotating the drum (2); a supply unit (24, 26) adapted to supply at least one additive to the drum (2), in particular to supply steam; and a textile type detection unit adapted to detect the textile type and/or wherein the input unit (30) comprises a first input element for manually inputting the textile type; wherein the control unit (12) is adapted to modify the drum rotation mode in dependency of the textile type to be treated; characterized in that the control unit (12) is adapted to set a higher drum rotation speed and/or higher ratio of drum rotation periods / drum stop periods and to set an increased steam flow rate for non-sensitive textiles, in particular for Jeans or bed clothes; and/or the control unit (12) is adapted to set a lower drum rotation speed and/or lower ratio of drum rotation periods / drum stop periods and to set a reduced steam flow rate for delicate textiles, in particular for woolen, business or silk textiles.