Walk-Behind Tool Blower Integration for Cooling and Insect Repelling
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Solution Overview
Problem
Users of outdoor power tools like mowers experience discomfort due to high temperatures and insect disturbances, which affect work efficiency and experience.
Innovation Solution
A walk-behind power tool equipped with a blowing device that includes a fan system to generate airflow for cooling and insect repelling, connected to the tool's energy source via a USB interface or inductive charging mechanism, allowing adjustable airflow direction and integrated power supply for accessories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a blowing device is added to provide cooling and insect repulsion, then user comfort and work experience are improved, but device complexity and energy consumption increase
Solution Approach 1:
The blowing device is integrated with the existing power tool system, sharing the energy source and control mechanisms. The same motor that drives the working assembly also powers the fan blades, allowing one energy source to serve multiple functions and reducing overall system complexity
Solution Approach 2:
The blowing device merges with the power tool body through a unified housing structure where the fan blades are disposed within the existing housing. The charging portion is integrated into the same energy source system, combining power supply and blowing functions into a single coordinated unit
2Object-affected harmful factors
If a blowing device with fan blades is added, then cooling and insect repulsion effects are achieved, but energy consumption increases
Solution Approach 1:
The energy source is designed to power multiple components simultaneously - the working assembly and the blowing device share the same energy source. The charging portion can charge both the main energy source and provide additional power to the blowing device, optimizing energy utilization
Solution Approach 2:
The blowing device operates dynamically based on user needs, with the fan blades rotating only when cooling or insect repulsion is required. The system allows flexible energy allocation between the working assembly and blowing device through the shared charging portion
3Ease of operation
If the blowing device is integrated with the power tool, then portability and ease of operation are improved, but weight and device complexity increase
Solution Approach 1:
The blowing device is merged with the power tool body through integrated housing, where the fan blades are disposed within the existing housing structure. This consolidation eliminates the need for separate carrying of blowing devices and reduces the number of separate components
Solution Approach 2:
The handle device serves dual purposes - it provides user control for the working assembly and simultaneously houses the blowing device. The mounting portion on the handle device allows the blowing device to be positioned for optimal airflow while maintaining ergonomic handling
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 effectively reduces user discomfort by providing cooling and insect repulsion, enhancing work experience while improving the endurance and convenience of the blowing device through direct energy connection to the tool's energy source.
Implementation Method 1
a first motor driving at least fan blades to rotate to generate an airflow
Implementation Method 2
a charging portion configured to be electrically connected to the walk-behind power tool so as to cause the first motor to obtain energy
Implementation Method 3
the charging portion includes an inductive charging mechanism at least partially disposed in the blowing housing
Data Source
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AI summary
A walk-behind power tool includes: an energy source providing energy for at least the movement of a working assembly; and a blowing device including a connecting portion configured to be connected to the walk-behind power tool, a first motor driving at least fan blades to rotate to generate an airflow, and a charging portion configured to be electrically connected to the walk-behind power tool so as to cause the first motor to obtain energy.