Cyclone Dust Cup Assembly for Compact Low-Loss Handheld Cleaners
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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 dust cup assembly with a cyclone separating member and a negative pressure device, featuring a specific tube segment configuration and cyclone design for efficient air separation, and a detachable structure for easy maintenance and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the handheld cleaner uses a compact dust cup assembly with integrated cyclone separation, then the volume and weight are reduced for better handheld use, but the air passage layout complexity increases
Solution Approach 1:
The device housing integrates multiple functions including air passage routing, cyclone separation support, and motor mounting into a single structural component. The housing combines the air intake passage, air outlet passage, and cyclone chamber integration, eliminating the need for separate air passage components and reducing overall assembly volume while maintaining functional clarity.
Solution Approach 2:
The cyclone separating member is nested within the dust cup assembly, with the air passage routes nested within the device housing. The motor is positioned within the housing such that it drives the fan which generates airflow through the nested cyclone separation system, creating a compact hierarchical structure that minimizes volume.
2Loss of energy
If the air passage layout is compact and integrated, then suction power loss is reduced and energy efficiency is improved, but the device complexity increases
Solution Approach 1:
The air intake passage and air outlet passage are merged into the device housing structure, creating direct and efficient airflow paths. The housing integrates the motor and fan assembly with the cyclone separation system, reducing the number of interfaces and connections where energy loss could occur, thereby improving suction efficiency while keeping the structural integration manageable.
Solution Approach 2:
The device housing is designed with differentiated local structures: the air intake passage has specific cross-sectional dimensions optimized for suction, the cyclone separation chamber has tapered walls for efficient dust separation, and the air outlet passage is positioned to minimize backpressure. Each local region is optimized for its specific function, reducing energy loss without requiring complex global redesign.
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 improved handheld cleaner performance with reduced energy consumption and increased efficiency, facilitating effortless handheld use and effective dust filtration.
Implementation Method 1
a first cyclone separating member which is disposed in a dust removal chamber
Implementation Method 2
the first cyclone separating member surrounds the device housing along a circumferential direction of the device housing
Implementation Method 3
a negative pressure device located within the device housing and enabling dusty air to enter the dust removal chamber
Data Source
Figure 1
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Figure 3
AI summary
A dust cup assembly (100) and a handheld cleaner (1000) having the same are provided. The dust cup assembly (100) includes: a cup casing (1); a device housing (2) configured as a tube shape and disposed in the cup casing (1), wherein an outer end face of the device housing (2) at an axial side thereof abuts against or extends beyond a partial inner surface of the cup casing (1), and a dust removal chamber (A1) is defined between an inner surface of the cup casing (1) and an outer peripheral surface of the device housing (2) and surrounds the device housing (2) along a circumferential direction of the device housing (2); and a negative pressure device (3) located within the device housing (2) and enabling dusty air to enter the dust removal chamber (A1) for dust and air separation.