Integrated Power Supply for Manual Strapping Tool

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Solution Overview

Problem

Existing manual strapping and/or sealing devices with detachable energy supply units face issues such as lost or damaged batteries due to harsh working conditions, leading to a lack of a reliable power source and operational disruptions.

Innovation Solution

An integrated energy supply unit within the drive housing of the manual strapping and/or sealing device, which is wirelessly charged using an external inductive charging station, eliminating the need for detachable batteries and ensuring continuous operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a detachable power supply unit is used in the manual strapping and/or sealing device, then the device allows for easy replacement of the battery, but the battery can be lost or damaged due to harsh working conditions

Engineering Contradiction:
Improvebattery replacementVSAvoidpower source reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent integrates the power supply unit permanently into the drive housing, combining the battery compartment with the drive structure. This merging eliminates the detachable connection that causes loss or damage while ensuring the power supply remains reliably attached to the hand tool throughout operation.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If the power supply unit is integrated into the drive housing, then the battery cannot be lost or damaged, but the device requires wireless charging infrastructure

Engineering Contradiction:
Improvepower source reliabilityVSAvoidcharging infrastructure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical detachable battery system with a wireless inductive charging system. Instead of physically connecting or disconnecting batteries, the integrated power supply unit charges wirelessly through an inductive interface when placed on a charging base, eliminating mechanical wear and connection issues while maintaining reliability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Loss of time

If detachable batteries are used, then the device can be quickly swapped, but operational disruptions occur due to lost or damaged batteries

Engineering Contradiction:
Improveoperational continuityVSAvoidpower source availability
Core Design Contradiction:
Loss of timeVSReliability

Solution Approach 1:

The patent implements a charging base that automatically charges the integrated power supply unit as soon as the hand tool is placed on it. This preliminary charging action ensures the battery is continuously topped up and ready, preventing operational disruptions caused by depleted or lost batteries while maintaining quick readiness for use.

Inventive Principle:
Principle #10Preliminary action

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 provides a durable and reliable operation by integrating the energy supply unit with the drive, preventing battery loss or damage and ensuring constant charging, thus enhancing the device's functionality and operational reliability.

Implementation Method 1

The charging station (14) and the power supply unit (10) are equipped with a charging coil (15, 11), which together define an inductive interface (11, 15) for wireless charging of the power supply unit (10)

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentEP3272659B1Manual strapping and/or sealing device
Publication Date: 2021.11.03 TITAN UMREIFUNGSTECHNIK GMBH & CO KG
  • EP3272659B1 patent drawingFigure 1
  • EP3272659B1 patent drawingFigure 2

AI summary

The invention relates to a hand strapping and/or fastening device. This device is equipped with a drive (9, 10, 11, 12) for at least one fastening unit (2) and/or a tensioning unit (3). The drive (9, 10, 11, 12) is electrically operated and includes at least one power supply unit (10). According to the invention, the power supply unit (10) is designed as an integral component of the drive (9, 10, 11, 12).