Steam Ironing Soleplate Control With High Steam at Low Temperature
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Solution Overview
Problem
Existing steam irons require users to manually adjust temperature settings for different fabric types, leading to laborious and user-unfriendly operation, as well as potential thermal damage due to inappropriate temperature settings.
Innovation Solution
A steam ironing device with a non-user-adjustable soleplate temperature range of 105-145°C and a time-averaged steam rate of at least 50 grams/minute, which provides universal settings for satisfactory ironing results across various fabric types without the need for user adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual temperature adjustment is implemented for different fabric types, then ironing precision for specific fabrics is improved, but ease of operation deteriorates due to user burden
Solution Approach 1:
The iron automatically detects fabric type through sensors and adjusts temperature without user intervention. The system self-regulates by monitoring fabric properties and controlling heating elements accordingly, eliminating the need for manual temperature selection while maintaining precise temperature control for different fabrics.
Solution Approach 2:
Temperature sensors continuously monitor the soleplate temperature and fabric conditions, feeding this information back to the control system. The controller adjusts heating power in real-time based on detected fabric type and current temperature, ensuring precise temperature maintenance without requiring user input.
2Productivity
If high temperature is used for ironing, then ironing effectiveness for durable fabrics is improved, but harmful effects increase due to scorching risk
Solution Approach 1:
The system dynamically changes temperature parameters based on detected fabric type. For delicate fabrics, the maximum temperature is limited to prevent scorching, while for durable fabrics like cotton, higher temperatures are permitted to achieve effective ironing. The control system adjusts heating power and temperature thresholds according to fabric thermal properties.
Solution Approach 2:
Different temperature zones or heating intensities are applied based on local fabric properties detected by sensors. The system tailors the thermal treatment to each specific fabric area, providing high temperature where needed for effectiveness while applying lower temperatures where delicate fabrics require protection from damage.
3Ease of operation
If fixed preset temperature is used, then ease of operation is improved, but adaptability to different fabric types deteriorates
Solution Approach 1:
The iron transitions from a static fixed-temperature design to a dynamic system that automatically adapts temperature settings. Sensors detect fabric type in real-time, and the control system dynamically adjusts temperature parameters without requiring manual user intervention, combining ease of operation with fabric-specific adaptability.
Solution Approach 2:
The iron is designed to handle multiple fabric types universally through automatic detection and adaptation. A single device with sensor-based fabric identification can serve all fabric types appropriately, eliminating the need for separate irons for different fabrics while maintaining optimal temperature for each material type.
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 device achieves satisfactory ironing results for diverse fabric types by combining a low, fixed soleplate temperature with a high steam rate, preventing scorching and damage while maintaining fabric quality, and simplifying the ironing process.
Implementation Method 1
a steam generator (50) comprising a heatable steam generation chamber (51)
Implementation Method 2
soleplate heating means (22) configured to heat the soleplate (18)
Data Source
AI summary
A steam ironing device (1), comprising: an iron, including a soleplate (18) provided with at least one steam outlet opening (20); soleplate heating means (22) configured to heat the soleplate (18); a steam generator (50) including a heatable steam generation chamber (51) that is fluidly connectable to the at least one steam outlet opening (20) in the soleplate; and control means (24, 56), operably connected to the soleplate heating means (22) and the steam generator (50), and configured to control a soleplate temperature and a steam rate of the steam ironing device, wherein the control means (24, 56) are configured to heat the soleplate to a non user-adjustable temperature in the range of 105-145° C., and to provide for a time-averaged steam rate of at least 50 grams/minute.