Battery-Powered Percussive Massage Device With Segmented Power Module
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Solution Overview
Problem
Existing electromechanical percussive massage devices are often expensive, large, heavy, and tethered to electrical power sources, making them cumbersome and noisy, which limits their portability and usability.
Innovation Solution
A battery-powered percussive massage device with a compact design featuring a motor-driven piston system and a flexible transfer linkage made of resilient rubber, allowing for efficient and quiet operation with interchangeable applicator heads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional electromechanical percussive massage devices are used, then effective percussive massage can be applied, but the devices are expensive, large, heavy, and tethered to electrical power sources
Solution Approach 1:
The device is divided into separate functional modules: a handheld percussive unit containing the motor and piston mechanism, and a separate battery pack that can be removably attached. This segmentation allows the main body to remain compact and lightweight while providing portable power, directly addressing the contradiction between effectiveness and portability.
Solution Approach 2:
The battery assembly is extracted as a separate, removable component from the main device body. This extraction allows the percussive massage device to be compact and lightweight when not in use, while still providing extended battery life and portable operation when the battery is attached, resolving the contradiction between device size and operational capability.
2Ease of operation
If conventional electromechanical percussive massage devices are used, then effective percussive massage can be applied, but the devices are noisy
Solution Approach 1:
A flexible bellows linkage is used to connect the piston to the applicator head, allowing the piston to move freely without rigid mechanical connections that generate noise. This flexible connection reduces mechanical noise while maintaining the percussive massage function, addressing the contradiction between effectiveness and noise level.
3Productivity
If manual percussive massage is applied by a massage therapist, then effective treatment can be provided, but the therapist may tire before completing a sufficient treatment regime
Solution Approach 1:
The device provides automated percussive massage through an electric motor that drives the piston mechanism continuously without requiring manual effort from the therapist. The battery-powered system allows extended treatment durations without therapist fatigue, directly addressing the contradiction between treatment duration and physical exertion.
4Device complexity
If battery assembly is integrated into the main housing, then compact design is achieved, but battery replacement and charging accessibility are reduced
Solution Approach 1:
The battery assembly is segmented as a separate, removable module rather than being permanently integrated into the main housing. This segmentation maintains compactness when the battery is attached while providing easy accessibility for replacement and charging when needed, resolving the contradiction between compactness and maintainability.
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 device is lightweight, portable, and quieter than conventional devices, enabling extended use without fatigue and in quiet environments, while offering adjustable massage settings through various applicator heads.
Implementation Method 1
A flexible transfer linkage has a first end coupled to a second end portion of the transfer bracket. A piston has a first end coupled to a second end of the transfer linkage. The piston is constrained to move within a cylinder along the longitudinal axis of the cylindrical bore.
Data Source
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AI summary
A battery-powered percussive massage device has a battery assembly (132). The battery assembly (132) comprises a battery unit (214) and a battery controller printed circuit board (256). The battery controller printed circuit board includes an input jack (254) to receive electrical charging power and a battery charger controller (860) that controls charging power received via the input jack to charge the battery unit (214). The battery assembly (132) also comprises a plurality of light-emitting diodes (LEDs) (260) positioned around the periphery of said battery controller printed circuit board (256). The LEDs (260) are driven by the battery controller (860) so that the colour of the LEDs indicates the charged state of the battery assembly (132). A translucent plastic ring (264) is aligned with the LEDs (260). Light from the LEDs is emitted through the translucent plastic ring (264) so as to be seen externally of the battery assembly.