Printer Drainage Container Lid for Evaporation and Leak Prevention
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Solution Overview
Problem
Existing waste liquid packs attached to printers face challenges in efficiently evaporating waste liquids due to limited gaps around the opening, leading to low evaporation efficiency and potential leakage.
Innovation Solution
A drainage container designed to be attached and detached from an apparatus, featuring a housing with an upper opening that can be opened and closed by a lid portion. The lid portion is configured to open when the container is attached, increasing exposure to the atmosphere and promoting evaporation, and closes when detached to prevent leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the waste liquid pack is attached to the printer with a small gap around the opening to prevent leakage, then leakage prevention is improved, but evaporation efficiency deteriorates
Solution Approach 1:
The lid portion is designed to dynamically change its state between open and closed based on the attachment status. When attached to the printer, the lid opens to allow evaporation; when detached, the lid closes to prevent leakage. This dynamic adaptation resolves the contradiction by having the structure automatically adjust its configuration according to operational conditions.
Solution Approach 2:
The lid portion automatically opens or closes based on the mechanical action of attaching or detaching the container to the discharge port. The attachment process itself triggers the lid opening, and detachment triggers closing, without requiring separate control mechanisms. This self-service mechanism ensures both leakage prevention and evaporation efficiency are maintained appropriately.
2Productivity
If the gap around the opening is increased to improve evaporation efficiency, then evaporation efficiency is improved, but leakage risk increases
Solution Approach 1:
The lid portion provides dynamic control over the opening state. During attachment, the lid opens wide to maximize the gap for evaporation. During detachment, the lid closes to minimize the gap and prevent leakage. This dynamic adjustment allows the system to have both a large gap for evaporation and a small (closed) gap for leakage prevention at different times.
Solution Approach 2:
The lid opening action is performed preliminarily during the attachment process itself, before the container is fully secured. This ensures the evaporation pathway is established early. Conversely, the lid closing action is preliminarily triggered during detachment, preparing the sealed state before the container is fully removed, thus preventing leakage proactively.
3Reliability
If the lid portion remains closed to prevent leakage, then leakage prevention is improved, but evaporation efficiency deteriorates
Solution Approach 1:
The lid is designed to be dynamically controllable, transitioning between closed and open states based on operational requirements. When the container is attached to the printer, the lid opens to enable evaporation. When detached, the lid closes to ensure leakage prevention. This dynamic behavior allows the system to optimize for either leakage prevention or evaporation efficiency as needed.
Solution Approach 2:
The lid automatically responds to attachment and detachment actions by opening or closing accordingly. The mechanical interaction during attachment triggers the lid to open, and during detachment triggers it to close. This self-service mechanism ensures the lid is in the appropriate state (open for evaporation, closed for leakage prevention) without manual intervention.
4Productivity
If the lid portion opens automatically upon attachment to improve evaporation, then evaporation efficiency is improved, but device complexity increases
Solution Approach 1:
The lid opening and closing actions are triggered automatically by the attachment and detachment processes themselves. The mechanical motion of attaching the container to the discharge port directly causes the lid to open, and detachment directly causes the lid to close. This self-service mechanism eliminates the need for separate motors, sensors, or control systems, thereby minimizing device complexity while achieving automatic lid control for improved evaporation.
Solution Approach 2:
The lid control function is merged with the attachment/detachment mechanism. The same mechanical action that secures the container to the printer also opens the lid, and the same action that removes the container also closes the lid. This merging of functions reduces the overall device complexity by eliminating redundant control mechanisms.
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 design enhances evaporation efficiency by increasing the contact area with the atmosphere when the container is attached, effectively extending the replacement interval of the drainage container without increasing its size.
Implementation Method 1
it is therefore possible to anticipate evaporation of the stored waste liquid
Data Source
AI summary
A drainage container configured to be attached and detached in an attachment/detachment direction to and from an apparatus including a discharge portion to discharge drainage and configured to store the drainage discharged from the discharge portion, includes: a housing that stores the drainage and includes an opening formed in an upper surface of the housing; an accepting portion that accepts the drainage discharged from the discharge portion; and a lid portion configured to open and close the opening, in which the lid portion takes on an open state to open the opening when the drainage container is attached to the apparatus, and the lid portion takes on a closed state to close the opening when the drainage container is detached from the apparatus.


