Washing machine having multiple washing units
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Solution Overview
Problem
Conventional washing machines have a single washing unit, requiring multiple cycles for separate washing of clothes, which is inefficient and time-consuming, especially for small loads, and lack easy detergent supply and separation mechanisms.
Innovation Solution
A washing machine with multiple washing units, including a front-loading and top-loading configuration, featuring separate detergent containers and a detergent supply hose system that allows for easy detergent distribution and prevents mixing, along with a pivotally supported container cover for convenient access and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single washing unit is used, then the device complexity is low, but the productivity decreases due to multiple washing cycles required for separate clothes
Solution Approach 1:
The washing machine is divided into two independent washing units: a first washing unit with a first drum for washing clothes, and a second washing unit with a second drum for drying clothes. Each unit operates independently with its own drum, allowing simultaneous washing and drying operations, thereby improving productivity without requiring multiple separate machines
2Ease of operation
If detergent containers are placed in the lower portion, then the device complexity is reduced, but the ease of operation worsens due to difficulty in detergent supply
Solution Approach 1:
A detergent container is provided with a detergent dispensing mechanism that acts as an intermediary between the detergent storage compartment and the washing drum. The mechanism includes a detergent outlet positioned at the lower end of the container, allowing detergent to be automatically dispensed into the washing drum during the washing cycle, eliminating the need for manual detergent addition while maintaining ease of operation
Solution Approach 2:
Detergent is pre-loaded into the detergent container before the washing cycle begins. The container is designed to automatically dispense the predetermined amount of detergent at the appropriate time during the washing process, eliminating the need for users to manually add detergent during operation and improving ease of use
3Reliability
If a single detergent container is used, then the device complexity is low, but the reliability decreases due to potential mixing of different detergents
Solution Approach 1:
The detergent storage system is segmented into multiple separate detergent containers: a first detergent container for storing washing detergent and a second detergent container for storing drying detergent. Each container is independently positioned and connected to its respective drum through separate dispensing mechanisms, ensuring complete separation of different detergent types and preventing mixing while maintaining reliable operation
4Ease of operation
If the container cover is fixed, then the device complexity is reduced, but the ease of operation worsens due to difficulty in access and detachment
Solution Approach 1:
The container cover is designed with a pivoting mechanism that allows it to rotate between a closed position (covering the detergent container) and an open position (providing access to the container). The cover is pivotally connected to the housing, enabling easy opening and closing operations while maintaining a simple mechanical structure without requiring additional fastening or locking mechanisms
Data Source
AI summary
A washing machine includes a first housing, a second housing arranged above the first housing and having a laundry inlet arranged on the top, a first tub covered by the first housing and having a first opening on the front, a second tub covered by the second housing and having a second opening on the top, and a detergent container arranged in the second housing for storing a detergent to be supplied to the first tub.