Handheld Vacuum Cleaner Nested Layout to Reduce Suction Power Loss
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Solution Overview
Problem
Handheld cleaners in the related art are inconvenient due to their large volume and weight, and suffer from high suction power loss due to a loose layout of air passages.
Innovation Solution
A compact and lightweight handheld cleaner design featuring a dust cup assembly with a cyclone separating device and a negative pressure device, optimized air passage layout for efficient dust and air separation, and a holding assembly for easy handheld use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a compact structure is adopted to reduce volume and weight, then handheld convenience is improved, but air passage layout becomes constrained leading to higher suction power loss
Solution Approach 1:
The device housing is nested within the dust cup assembly, with the negative pressure device housed within the device housing. This nested arrangement allows compact integration of multiple components in a hierarchical manner, reducing overall volume while maintaining functional separation and optimized air passage routing between the nested components.
Solution Approach 2:
The air passages are routed in three-dimensional space around and through the nested components, utilizing vertical and radial dimensions rather than only linear horizontal paths. This dimensional approach allows efficient air flow routing within the compact volume, minimizing suction power loss despite the constrained space.
2Weight of stationary object
If components are closely integrated to reduce size, then weight and volume are reduced, but structural complexity increases
Solution Approach 1:
The cleaner is segmented into distinct functional modules: the dust cup assembly with dust removal chamber, the device housing containing the negative pressure device, and the holding assembly. Each module is independently designed and manufactured, then assembled together. This segmentation reduces overall weight while managing complexity through modular design, allowing each component to be optimized separately.
Solution Approach 2:
Multiple functional components are merged into integrated assemblies: the device housing combines structural support, air passage routing, and mounting features for the negative pressure device. The dust cup assembly merges dust collection, separation, and exhaust functions. These merges reduce the number of separate parts and fasteners, lowering weight while containing structural complexity within each integrated module.
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 solution results in a handheld cleaner that is small, lightweight, and energy-efficient, with improved dust filtration and reduced energy consumption, facilitating effortless handheld operation.
Implementation Method 1
a negative pressure device located within the device housing and configured to enable dusty air to enter the dust removal chamber for dust and air separation
Implementation Method 2
A dust cup assembly comprising a cup casing; a device housing configured to have a tube shape and disposed in the cup casing... a negative pressure device located within the device housing and configured to enable dusty air to enter the dust removal chamber for dust and air separation
Data Source
Figure 1
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AI summary
A handheld cleaner is provided. The handheld cleaner includes: a dust cup assembly comprising: a cup casing; a device housing configured to have a tube shape and disposed in the cup casing, wherein an outer end face of the device housing at an axial side thereof abuts against or extends out of a partial inner surface of the cup casing, and a dust removal chamber is defined between an inner surface of the cup casing and an outer peripheral surface of the device housing and surrounds the device housing along a circumferential direction of the device housing; and a negative pressure device located within the device housing and configured to enable dusty air to enter the dust removal chamber for dust and air separation; a holding assembly mounted to the dust cup assembly and configured for handholding.