Clothes treatment apparatus
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Solution Overview
Problem
Conventional laundry treating apparatuses cannot sense the laundry amount before the execution of a course and display relevant information to the user, leading to inconvenience in controlling the execution time and requiring active measures to change or cancel courses, especially when remotely controlled.
Innovation Solution
A laundry treating apparatus that senses the laundry amount before the execution unit is pressed, allowing the display unit to show the weight, detergent amount, and course execution time, enabling the user to input the correct detergent and select an appropriate course based on the sensed amount.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the laundry amount detection is performed after the execution button is pressed, then the course can be executed, but the user cannot receive information on laundry amount or estimated execution time before execution
Solution Approach 1:
The laundry amount detection is performed in advance before the execution button is pressed. The controller detects the laundry amount by measuring current consumption during drum rotation, calculates the estimated execution time based on the detected amount, and displays both pieces of information to the user before course execution begins. This allows users to make informed decisions about detergent quantity and course selection.
2Measurement precision
If the drum rotates multiple times to detect laundry amount, then the detection accuracy improves, but the time required for detection increases
Solution Approach 1:
The drum rotates only once or a limited number of times to detect the laundry amount, rather than rotating multiple times. The controller measures the current consumption during this single rotation to calculate the laundry amount. This partial action approach provides sufficient detection accuracy while significantly reducing the detection time and allowing the information to be displayed before execution.
3Ease of operation
If the laundry amount detection is performed before execution, then the user can control execution time actively, but the system complexity increases
Solution Approach 1:
The system implements a feedback mechanism where the controller detects the laundry amount, calculates the estimated execution time based on the detected amount, and displays this information to the user before execution. This feedback loop enables users to actively control the execution time by adjusting detergent quantity or selecting appropriate courses based on the provided information, without significantly increasing system complexity.
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
Enables users to accurately determine the required detergent and select the appropriate course before execution, improving user control and convenience by providing timely and relevant information.
Implementation Method 1
calculates the weight of the laundry L by measuring a current value applied to or outputted from the drive unit that rotates the drum D
Data Source
AI summary
The present invention relates to a laundry treatment apparatus, which senses laundry weight so as to display information related to the laundry weight before an input on a performance unit for performing a course.