Wall-Mounted Washing Machine Electronic Door with Cable Guide Tunnel
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Solution Overview
Problem
Conventional wall-mounted washing machines have inconvenient door opening and closing mechanisms, with separate knobs or handles that can be damaged by repetitive use, and exposed cables that are prone to twisting and environmental exposure.
Innovation Solution
A wall-mounted washing machine with an electronic door opening and closing device that uses a button to open and close the door, featuring a cable guide tunnel to protect the electrical connection and prevent cable exposure, eliminating the need for a separate handle and reducing the risk of cable damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a separate knob or handle is used for opening and closing the door, then the door can be opened and closed, but the device complexity increases and the reliability decreases due to repetitive load damage
Solution Approach 1:
The patent replaces the traditional mechanical knob or handle system with an electronic door opening and closing device. This electronic device uses a motor-driven mechanism to automatically open and close the door, eliminating the need for manual knobs or handles that are susceptible to wear and damage from repetitive use. The electronic system provides more reliable operation while maintaining ease of use through control buttons or automated sequences.
2Adaptability or versatility
If a cable is extended from the door to the tub side for electrical connection, then the PCB circuit can be connected, but the cable is exposed to environmental factors and prone to twisting
Solution Approach 1:
The patent employs a cable guide tunnel structure where the cable is routed through a protected passage within the door assembly. This tunnel provides a dedicated pathway that shields the cable from external environmental factors such as moisture and physical damage. The cable is nested within this protective structure, preventing exposure and reducing the risk of twisting or disconnection during door operation.
3Adaptability or versatility
If the cable extends from the inside of the door into the cabinet, then electrical connection is achieved, but the cable is exposed to the outside environment
Solution Approach 1:
The cable guide tunnel creates a nested protective structure that houses the cable as it transitions from the door interior to the cabinet. This tunnel acts as a protective channel, nesting the vulnerable cable within a more robust structural element that shields it from environmental harm factors including moisture, dust, and physical stress during door movement.
Solution Approach 2:
The cable guide tunnel serves as an intermediary structure between the door and cabinet, providing a protected transition zone for the cable. This intermediate structure mediates the cable's exposure to environmental factors by creating a controlled pathway that isolates the cable from harmful external conditions while still allowing necessary electrical connections.
Data Source
AI summary
A wall mounted washing machine includes a cabinet having a front surface and a rear surface to be opened to form an appearance; a tub disposed in the cabinet to store wash water; a front panel installed in the tub; a drum rotatably installed in the tub: a cover installed in the front panel and having a door hinge; a door rotatably coupled to the door hinge and having a door glass; and a door opening and closing device having an electronic opening and closing type adapted for locking or unlocking the door to/from the door. The door hinge adapted for rotatably supporting the door based on the cover to open and close the laundry inlet of the cover and includes a cable guide tunnel which forms a path through which a cable extending from the inside of the door into the cabinet.