Cleaning Device Bottom Drain Segmentation for Particle Transport
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Solution Overview
Problem
Existing cleaning devices face inefficiencies in removing particles from the cleaning fluid, leading to particle accumulation and reduced cleaning effectiveness due to inadequate filtration and turbulent flow patterns, which hinder the effective discharge of dirt particles from the cleaning fluid.
Innovation Solution
A cleaning device with a bottom drain that has an inlet opening extending over at least 15% of the cleaning tub's dimension, combined with flow generating means like nozzles to direct fluid flow towards the drain, facilitating effective circulation and filtration of particles without causing turbulence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If flow-generating means are arranged to generate flow toward the bottom opening to transport particles, then particle transport to drain is improved, but turbulence and circular flows are generated that prevent effective particle discharge
Solution Approach 1:
The bottom opening is segmented into multiple individual openings distributed across the bottom surface. This segmentation allows the flow-generating means to create directed flow toward each opening without generating large-scale circular flows or turbulence that would hinder particle discharge. Each opening acts as an independent discharge point, improving overall particle transport efficiency while maintaining flow stability.
2Productivity
If a small proportion of particles are transported to the drain, then filtration load is reduced, but particle removal effectiveness decreases
Solution Approach 1:
The invention transitions from a single-point drain configuration to a distributed array of multiple openings across the bottom surface. This dimensional change from one location to multiple locations enables simultaneous transport of a larger proportion of particles to the drain while distributing the filtration load across multiple filter media sections, thereby maintaining both high particle removal effectiveness and adequate filtration capacity.
3Loss of substance
If particles are not effectively removed from cleaning fluid, then cleaning fluid can be reused, but particle concentration increases leading to re-deposition on workpieces
Solution Approach 1:
The system establishes continuous circulation of cleaning fluid through the bottom openings and filter media. This continuous action ensures that particles are constantly removed from the cleaning fluid as it circulates, preventing concentration buildup. The continuous filtration process maintains cleaning fluid quality over time, enabling effective reuse without particle re-deposition on workpieces.
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
This configuration enhances particle filtration efficiency, minimizes distance particles need to travel to the drain, and prevents reattachment of particles to workpieces, thereby improving the overall cleaning process by ensuring effective removal and recirculation of cleaning fluid.
Implementation Method 1
flow-generating means that cause a fluid flow within the cleaning tank toward the drain
Implementation Method 2
filtering means, allowing circulation of the cleaning fluid during operation of the cleaning device
Implementation Method 3
pumping means, filtering means, and return means in such a way that circulation of the cleaning fluid
Data Source
Figure 1a
Figure 1b
Figure 2a~2b
AI summary
The invention relates to a cleaning device (01) for cleaning workpieces with a cleaning trough (04) for receiving a cleaning fluid and workpieces to be cleaned, wherein the cleaning device (01) comprises excitation means (05), in particular ultrasonic means, which are configured to generate a cavitation effect in the cleaning fluid, wherein the cleaning trough (04) has a bottom drain (08) which is connected to pumping means, filter means and return means (12) in such a way that circulation of the cleaning fluid and filtration of particles, in particular dirt particles, from the cleaning fluid is possible by recirculating the cleaning fluid, wherein the cleaning device (01) comprises flow-generating means (13) which cause a fluid flow within the cleaning trough (04) towards the drain (08).According to the invention, the bottom drain (08) has an inlet opening (14) which extends in at least one spatial direction over the entire dimension of the cleaning tray (04).