Dishwasher Rack Display Layout for Visible Cycle Information
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Solution Overview
Problem
In fully integrated dishwashers, the display device for operating and program information is difficult to read due to its location at the upper front edge when the door is closed, and becomes obscured when dish racks are moved for loading or unloading, making it inconvenient for users to access and react to displayed values during the washing cycle.
Innovation Solution
Assigning a display device to the washing basket, allowing users to easily view information without partially closing the door, with features like pressure-sensitive piezo arrangements for weight determination and wireless communication for data transmission, enabling users to react to load imbalances and program sequences before the door is closed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the display device is located at the upper front edge of the door, then it can be integrated into the door structure, but it becomes difficult to read when the door is open and obscured when dish racks are moved
Solution Approach 1:
The display device is segmented from the door structure and assigned to the dish rack instead. This allows the display to move with the rack and remain visible during loading/unloading operations, resolving the contradiction between door integration and readability.
Solution Approach 2:
The display device is repositioned from a fixed location on the door to a movable location on the dish rack. This dimensional change in positioning allows the display to maintain visibility across different door and rack configurations.
2Ease of operation
If the dish rack is moved forward for loading or unloading, then accessibility is improved, but the display becomes obscured by the rack itself
Solution Approach 1:
The display device is merged with the dish rack structure, so they move together as a single unit. This ensures the display remains visible and accessible whenever the rack is in the loading position, eliminating the obscuration problem.
3Loss of information
If the door is partially closed to read the display, then the display is visible, but the user cannot load or unload items simultaneously
Solution Approach 1:
The display device is positioned on the dish rack in advance, so it is visible during the entire loading process. Users can read the display information before closing the door, allowing them to make decisions about load distribution and program selection without interrupting the loading workflow.
4Loss of information
If multiple display devices are assigned to multiple dish racks, then information visibility is improved, but device complexity increases
Solution Approach 1:
Multiple dish racks are equipped with identical display devices that provide the same information. This universal approach allows any rack to display relevant information, improving accessibility without requiring a complex centralized display system.
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
Facilitates easier interaction with the dishwasher's parameters during loading and unloading, allowing users to optimize the washing cycle by redistributing items based on weight and resource levels, improving user experience and operational efficiency.
Implementation Method 1
Weight determination can be carried out in a structurally simple and reliable manner, in particular via pressure-sensitive piezo arrangements within the roller tracks of at least one dish basket.
Data Source
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AI summary
The dishwasher (1) has a door (3) for closing a washing container (2) that receives items to be cleaned. The container has an upper washing rack (4) and a lower washing rack (5) for supporting the items. The racks are moved from a treatment position to an access position, where the compartment is closed in the treatment position, and the items are loaded and unloaded into/from the dishwasher in the access position. Optical display devices (10, 11) visually notify operation information and program information of the dishwasher, where the display devices are assigned to the racks.