Outdoor Textile Drying Control for Low-Temperature Moisture Retention
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Solution Overview
Problem
Current drying machines do not have a specialized procedure for drying outdoor textiles with waterproof and breathable thin film materials, leading to potential damage from high temperatures and inability to control nominal water content accurately, resulting in over-drying and wrinkles.
Innovation Solution
A method for controlling a drying machine with a dedicated outdoor textiles drying procedure that includes a preheating, main drying, and cooling stage, using lower temperatures (between 50°C and 60°C) to prevent material damage and maintain optimal water content, ensuring the waterproofing and breathability of outdoor textiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a high drying temperature is used in the main drying stage, then drying efficiency is improved, but the waterproof material and sealing strips are damaged
Solution Approach 1:
The drying procedure is divided into three distinct stages: preheating stage, main drying stage, and cooling stage. Each stage has specific temperature control parameters tailored to protect the waterproof material while ensuring effective drying. The segmentation allows gradual temperature adjustment rather than sudden exposure to high heat.
Solution Approach 2:
The patent implements dynamic temperature parameter changes throughout the drying process. The preheating stage uses lower temperatures to gradually warm the textiles, the main drying stage optimizes temperature for water removal, and the cooling stage reduces temperature to prevent material damage. This parameter optimization ensures both drying efficiency and material protection.
2Quantity of substance
If a long drying time is used, then thorough drying is achieved, but wrinkles occur and fabric and sealing strips are damaged
Solution Approach 1:
The drying procedure dynamically adjusts temperature and time parameters based on the specific requirements of outdoor textiles. Rather than using a fixed long drying time, the system optimizes the duration of each stage (preheating, main drying, cooling) to achieve thorough water removal while preventing over-drying that causes wrinkles and damage.
Solution Approach 2:
The preheating stage serves as a preliminary action that gradually prepares the textiles for the main drying stage. This gradual warming prevents sudden thermal shock that could cause wrinkles, while the subsequent cooling stage acts as a preliminary protection measure to gradually reduce temperature and prevent material damage after drying.
3Reliability
If a short drying time is used, then material damage is reduced, but the nominal water content remains too high
Solution Approach 1:
The drying procedure maintains continuous and optimized heating action throughout all three stages. The preheating stage continuously warms the textiles, the main drying stage continuously removes moisture at optimized temperature, and the cooling stage continuously reduces temperature. This continuous action ensures thorough drying within an optimized time frame without material damage.
4Ease of operation
If an automatic drying procedure designed for general cotton and chemical fiber fabrics is used, then convenience is improved, but the drying effectiveness for outdoor textiles is insufficient
Solution Approach 1:
The patent creates a specialized drying procedure with local quality optimized for outdoor textiles. Rather than using a universal drying program, the procedure incorporates specific temperature ranges, stage durations, and cooling parameters tailored to the unique requirements of waterproof breathable fabrics and sealing strips, ensuring precise and effective drying.
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
Prevents damage to outdoor textiles by maintaining appropriate temperatures and controlling water content, preventing wrinkles and ensuring effective drying without compromising the waterproofing of the materials.
Implementation Method 1
a drying temperature of the outdoor textiles drying procedure is lower than a drying temperature of the main drying stage of the ordinary drying procedure
Implementation Method 2
a drying cycle of the drying program is modified automatically in dependence of a detected humidity
Implementation Method 3
a drying cycle of the drying program is modified automatically in dependence of a detected humidity
Data Source
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Figure 2
AI summary
A method for controlling drying machine is provided, which includes selecting and starting an outdoor textiles drying procedure, and then entering a preheating stage, a main drying stage, and a cooling stage. In the main drying stage, a working temperature of the drying machine (1) is lower than a working temperature of an ordinary drying procedure, and after the cooling stage, nominal water content of loaded outdoor textiles (4) is higher than nominal water content after the ordinary drying procedure is performed. By setting an appropriate drying working temperature, damages on material and sealing strips at seams of the outdoor textiles (4) during the drying procedure are prevented to the greatest extent. Moreover, after the drying procedure is finished, nominal water content of the outdoor textiles is higher than nominal water content of the other textiles after the ordinary drying procedure is performed, which ensures that wrinkles caused by over-drying do not occur to the outdoor textiles (4), and at the same time, the material and sealing strips at the seams of the outdoor textiles (4) are prevented from being damaged. A drying machine implementing the method is also provided.