Interchangeable Power Tool Platform With Proportional Power Control
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Solution Overview
Problem
Existing power tool systems lack a standardized platform that allows for interchangeable tools and efficient power delivery, limiting versatility and convenience.
Innovation Solution
A power tool system featuring a removable battery pack and a common base housing with a controller and actuator, enabling proportional power delivery and user control across various tools, such as rotary tools and soldering irons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a standardized platform with common base housing is implemented, then adaptability and versatility are improved, but device complexity increases
Solution Approach 1:
The patent implements a universal base housing design that can accommodate multiple different tool types (drills, drivers, impact drivers, etc.) through standardized battery pack interfaces and common control electronics. The controller is configured to recognize different tool types and adjust operating parameters accordingly, allowing one base housing to perform multiple functions across different tool applications.
Solution Approach 2:
The system is divided into modular components: a standardized base housing containing the controller and battery interface, removable battery packs providing power, and interchangeable tool attachments. This segmentation allows the complex platform to be built from simpler, standardized modules that can be reconfigured for different tool applications.
2Use of energy by moving object
If proportional power delivery system is implemented, then power efficiency is improved, but device complexity increases
Solution Approach 1:
The controller incorporates feedback mechanisms that monitor battery pack characteristics (voltage, current, temperature) and tool operating conditions, then dynamically adjust power delivery parameters. The system continuously communicates with the battery pack to optimize charge/discharge rates and prevent overheating, improving overall power efficiency through real-time monitoring and adjustment.
Solution Approach 2:
The power delivery system transitions from static fixed-power output to dynamic adjustable power output. The controller can vary voltage and current delivery based on tool requirements, battery state, and operating conditions, allowing optimal power efficiency across different tool applications and battery charge levels.
3Ease of operation
If removable battery pack with standardized interface is used, then ease of operation is improved, but reliability may worsen
Solution Approach 1:
The battery pack is designed as a completely removable component with standardized electrical and mechanical interfaces. Users can easily extract and replace battery packs between different tool applications or when battery charge is depleted, significantly improving operational convenience and flexibility across the tool platform.
Solution Approach 2:
The electrical connection interface between battery pack and base housing incorporates protective features such as contact protection during insertion/removal, electrical contact optimization, and mechanical retention mechanisms. These design elements prevent connection failures and ensure reliable electrical contact, compensating for the potential reliability issues introduced by removable connections.
Data Source
AI summary
A power tool system includes a removable battery pack a first tool and a second tool. The first tool includes a first base housing that is selectively engageable with the removable battery pack and a first tool portion connected to the first base housing by a first connecting section. The second tool includes a second base housing that is selectively engageable with the removable battery pack and a second tool portion connected to the second base housing by a second connecting section. The second tool base housing houses a second controller that provides a proportional power delivery system for the second tool and second tool base housing also includes a second actuator for providing user control of the second tool.