Electrical device for making beverages using power tool battery
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Solution Overview
Problem
Existing hot beverage makers, such as coffeemakers, require complex electronics and multiple battery configurations to operate with different power tool batteries, making them inconvenient and prone to electrical issues when used at construction sites or locations without AC power.
Innovation Solution
A hot beverage maker with a simplified battery-mount system that allows only one battery to be mounted at a time, using a cover member to prevent simultaneous mounting and reduce electrical complexity, along with a heat-generating means that boils water using power from a power tool battery, and a pod or single-serve container system for easy coffee preparation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple battery configurations are provided to support different power tool batteries, then adaptability is improved, but device complexity increases
Solution Approach 1:
The battery-mount part is designed with a universal mounting structure that can accommodate different types of power tool batteries (e.g., 18V and 14.4V batteries) through a single standardized interface, eliminating the need for multiple specialized mounting configurations and reducing electronic complexity while maintaining broad battery compatibility
2Adaptability or versatility
If simultaneous mounting of multiple batteries is allowed, then adaptability is improved, but reliability deteriorates due to electrical problems
Solution Approach 1:
A cover member is provided that automatically prevents simultaneous mounting of multiple batteries by physically blocking the mounting path when one battery is already installed, thereby preemptively avoiding electrical conflicts and reliability issues before they can occur
3Adaptability or versatility
If complex voltage-switching circuits and interlock mechanisms are added to manage multiple batteries, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent extracts and removes the complex voltage-switching circuits and interlock mechanisms from the system, replacing them with a simple mechanical cover member that physically prevents simultaneous battery mounting, thereby eliminating unnecessary electronic complexity while maintaining the ability to support different battery types
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 enables easy and convenient hot beverage preparation at construction sites or locations without AC power, improving electrical reliability and stability by eliminating the need for complex voltage-switching circuits and interlock mechanisms.
Implementation Method 1
a heat-generating means, which can boil water by using electric power (current) supplied by the battery mounted on the battery-mount part
Data Source
AI summary
An electrical device includes a battery-mount part (40) configured such that a battery used as a power supply of a power tool is mountable thereon, and a heat-generating element (54) for boiling water using electric power from the battery (B1, B2) mounted on the battery-mount part. The electrical device further includes a drip case (21) for holding a pod, in which a predetermined amount of tea leaves or coffee grounds is encased in a permeable bag-shaped element. A hot water supply (50y) supplies the water boiled by the heat-generating element (54) automatically to the drip case (21). An extraction part (21p) in the drip case (21) allows a beverage produced by the hot water that has been poured onto (injected into) the pod to downwardly flow.