Cleaner
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Solution Overview
Problem
Existing handheld vacuum cleaners lack the ability to control the intensity of suction force and often have operation switches that can be accidentally activated during use, leading to inefficient cleaning and user inconvenience.
Innovation Solution
A cleaner design featuring a support frame with a first push part for turning the suction motor on/off and a second push part for adjusting suction intensity, positioned higher than the handle to prevent accidental operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a trigger switch is disposed on the handle for turning on or off the airflow generator, then the cleaner can be operated, but the user may accidentally operate the trigger switch while cleaning with the handle in hand
Solution Approach 1:
The operation unit is extracted from the handle and positioned on the main body of the cleaner. The first push part is specifically positioned away from the user's hand contact area, eliminating the risk of accidental operation while maintaining ease of control when intentionally accessed.
Solution Approach 2:
A separate operation unit acts as an intermediary between the user and the airflow generator control. This intermediate positioning allows intentional operation while preventing accidental activation, as the user must deliberately reach for and press the first push part.
2Device complexity
If a single trigger switch controls the airflow generator, then the structure is simple, but it is impossible to control the intensity of airflow with the airflow generator turned on
Solution Approach 1:
The operation unit is segmented into two distinct push parts: the first push part for turning the airflow generator on/off, and the second push part for adjusting airflow intensity. This segmentation allows independent control of each function, enabling both simple on/off operation and variable intensity control without excessive complexity.
Solution Approach 2:
The operation unit serves multiple functions through its two push parts: it can turn the airflow generator on/off and also adjust the intensity of airflow when on. This multi-functionality is achieved within a single integrated operation unit, maintaining structural simplicity while providing versatile control capabilities.
3Ease of operation
If separate switches are used for turning on/off and adjusting intensity, then airflow control is precise, but the device complexity increases
Solution Approach 1:
Two separate control functions (on/off switching and intensity adjustment) are merged into a single operation unit with two push parts. This integration maintains precise control capability while reducing the number of separate components, simplifying the overall structure compared to using completely separate switches for each function.
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
Enables users to control suction force effectively and prevent accidental switch activation, improving cleaning efficiency and convenience by allowing separate control of suction motor on/off and intensity through a single operation unit.
Implementation Method 1
a suction motor that generates a suction force
Data Source
AI summary
A cleaner includes: a suction motor that generates a suction force; and an operation unit that is configured to input control instruction for the suction motor. The operation unit includes: a support frame; a first push part that is rotatably seated on the support frame and allows an instruction to turn on or off the suction motor to be input when being rotated in a first direction; and a second push part that allows the intensity of the suction force of the suction motor to be adjusted when being rotated in a second direction.