Dust collection system for power tool
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing dust collection systems for power tools stop functioning when one of the batteries powering the power tool or the dust collection attachment is depleted, leading to interruptions and reduced battery efficiency during use.
Innovation Solution
A dust collection system where the power tool and dust collection attachment share batteries, allowing the system to continue operating by switching power sources when one battery is depleted, with controllers managing the power distribution between the tool-body and dust-collector batteries to ensure continuous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the power tool and dust collection attachment use separate batteries, then each component can be independently powered, but the system stops functioning when one battery is depleted
Solution Approach 1:
The patent merges the power supply systems by enabling the power tool and dust collection attachment to share a common battery through electrical connection. The controller selectively controls power supply from a single battery to both the tool-body direct current motor and dust-collector direct current motor, allowing continuous operation even when one battery would normally be depleted. This resolves the contradiction by prioritizing reliability over independent power management.
Solution Approach 2:
The battery is designed to serve multiple functions by powering both the power tool and dust collection attachment through a universal power supply interface. The controller manages the battery to supply power to either the tool-body direct current motor or dust-collector direct current motor as needed, creating a multi-functional power system that maintains continuous operation and improves reliability.
2Duration of action of moving object
If both batteries are used simultaneously, then the system can operate longer, but the battery capacity is reduced and efficiency decreases
Solution Approach 1:
The patent implements dynamic battery capacity management where the controller continuously monitors and adjusts the capacity allocation between the power tool and dust collection attachment based on actual operational needs. The controller selectively supplies power to the tool-body direct current motor or dust-collector direct current motor, dynamically optimizing battery usage to extend operational duration while maintaining high battery efficiency through intelligent power distribution.
Solution Approach 2:
The controller changes the power supply parameters by selectively controlling the voltage and current distribution to different motors based on operational requirements. This parameter adjustment allows the system to optimize battery efficiency while extending operational duration, as the battery is used at optimal discharge rates for each specific operational mode rather than being split between two simultaneous high-power demands.
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 continuous operation of the power tool and dust collection attachment even when one battery is depleted, improving usability and extending the battery life by selectively using the higher-capacity battery pack first and then the other, thus preventing interruptions and optimizing battery usage.
Implementation Method 1
a fan configured to generate a suction force in the suction portion
Implementation Method 2
a dust-collector direct current motor configured to rotate the fan
Implementation Method 3
a tool-body direct current motor
Data Source
AI summary
A power tool and a dust collection attachment have their respective batteries as power supplies and can continue operating when one of the batteries is depleted. A dust collection system for a power tool includes a power tool including a switch, a tool-body DC motor, a tool-body controller, and a tool-body battery, and a dust collection attachment attachable to the power tool and including a suction portion, a dust collector, a fan, a dust-collector DC motor, a dust-collector controller, and a dust-collector battery. When the dust collection attachment is attached to the power tool, the tool-body controller and the dust-collector controller are electrically connected to each other. The dust-collector controller uses the tool-body battery singly to supply power to the tool-body DC motor and the dust-collector DC motor or uses the dust-collector battery singly to supply power to the tool-body DC motor and the dust-collector DC motor.