Configurable Backpack Power Pack for Multi-Tool Voltage Output
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Solution Overview
Problem
Existing backpack devices are typically designed for specific electrical tool types and lack modularity, limiting their versatility and application range.
Innovation Solution
The backpack device features a configuration interface that allows for adjustable output in terms of current and voltage, including frequency, with options for serial and parallel battery pack connections, and includes an inverter or DC-DC converter for broad voltage and current provision, along with a wireless or wired configuration interface and modular connection device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the backpack device is designed for a specific electrical tool type, then the device structure is simple and focused, but the versatility and application range are limited
Solution Approach 1:
The backpack device incorporates a configuration interface that enables it to function as a universal power supply for multiple types of electrical tools and devices. By allowing users to configure output parameters (voltage, current, frequency) and supporting different battery pack configurations (single or dual packs in series or parallel), the device transcends its original single-purpose design and becomes adaptable to various power requirements across different applications.
2Power
If the battery pack receptacle receives only one battery pack, then the device structure is simple, but the voltage output capability is limited
Solution Approach 1:
The battery pack receptacle is designed with dynamic reconfigurability, allowing users to switch between single battery pack mode and dual battery pack mode (with options for series or parallel connections). This dynamic capability enables the device to adapt its voltage and current output based on the power requirements of different tools, providing both 18V single-pack operation and higher power options when dual packs are connected, all through a unified receptacle design.
3Adaptability or versatility
If fixed voltage and current output is used, then the device is simple to manufacture, but the adaptability to different tool requirements is reduced
Solution Approach 1:
The configuration interface enables dynamic parameter changes in the power output by allowing users to adjust voltage, current, and frequency settings according to the specific requirements of different electrical tools. This parameter adaptability is achieved through electronic control systems that can modify output characteristics in real-time, making the backpack device suitable for a wide range of power tool applications without requiring multiple dedicated devices.
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
This modular design enables the backpack device to support a wide range of applications by allowing customizable energy output, doubling voltage without converters, and integrating with mobile operator control units for flexible operation.
Implementation Method 1
the backpack device has an inverter or a DC-DC converter
Implementation Method 2
the backpack device has an inverter or a DC-DC converter
Data Source
AI summary
A backpack device having a harness unit and a battery pack receptacle, fastened thereto, for receiving a battery pack, and having a connection device for connecting a hand-held electrical device, wherein the backpack device has a configuration interface via which energy to be output via the connection device is able to be configured in terms of current and/or voltage.