Percussive Massage Housing Venting for Compact Motor Cooling
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Solution Overview
Problem
Percussive massage devices often suffer from overheating due to inadequate ventilation in compact designs, leading to potential failure of internal components.
Innovation Solution
A percussive massage device with a housing that includes a vent with multiple holes for airflow, positioned to dissipate heat generated by the motor, and a stabilizer to prevent overheating, ensuring effective ventilation and cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the device is made smaller to improve portability, then the volume for component arrangement is reduced, but ventilation between components becomes inadequate leading to overheating
Solution Approach 1:
The housing is divided into multiple compartments that separate heat-generating components (motor) from other components (battery, electronics). This spatial segmentation prevents heat transfer to other components and allows targeted ventilation strategies for each compartment, resolving the contradiction between compact size and adequate ventilation.
Solution Approach 2:
A heat sink is introduced as an intermediary component between the motor and other device components. The heat sink absorbs excess heat from the motor through thermal conduction and dissipates it through dedicated ventilation channels, preventing overheating of the motor and other components while maintaining compact device dimensions.
2Volume of moving object
If components are arranged closer together to reduce device size, then portability is improved, but heat dissipation becomes insufficient causing motor failure
Solution Approach 1:
The housing is divided into multiple compartments that separate heat-generating components (motor) from other components (battery, electronics). This spatial segmentation prevents heat transfer to other components and allows targeted ventilation strategies for each compartment, resolving the contradiction between compact size and adequate ventilation.
Solution Approach 2:
Dedicated ventilation channels and airflow paths are designed to actively remove heat from the motor compartment. These pneumatic pathways ensure continuous airflow over heat-generating components, maintaining motor reliability even when components are arranged in a compact configuration.
3Temperature
If ventilation openings are added to prevent overheating, then cooling is improved, but device complexity increases
Solution Approach 1:
Ventilation channels are integrated into the housing structure itself rather than being separate components. The housing walls incorporate internal air passages that provide cooling pathways without requiring additional external vents or complex ventilation mechanisms, thus preventing overheating while maintaining design simplicity.
Solution Approach 2:
The housing structure serves multiple functions: it provides mechanical protection for internal components, defines the device外形, and simultaneously acts as the ventilation system through integrated air passages. This multi-functionality eliminates the need for separate ventilation components, reducing overall device complexity while ensuring adequate cooling.
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
Prevents overheating of internal components, allowing safe and prolonged use without discomfort, while maintaining a compact and portable design.
Implementation Method 1
a vent extending through a vent opening in the housing, the vent configured to provide ventilation to the housing interior
Implementation Method 2
a motor positioned in the housing interior, the motor including a rotatable motor shaft defining a motor axis
Implementation Method 3
a reciprocating shaft operatively connected to the rotatable motor shaft, the reciprocating shaft including a distal end defining a reciprocation axis, and the reciprocating shaft configured to reciprocate in response to rotation of the motor shaft
Data Source
AI summary
A percussive massage device may include a housing having a housing interior. A motor may be positioned in the housing interior and may include a rotatable motor shaft having a motor axis. A battery may be positioned in the housing interior. A switch may be configured to activate the motor. A reciprocating shaft may operatively be connected to the rotatable motor shaft. The reciprocating shaft may include a distal end and is able to reciprocate in response to rotation of the rotatable motor shaft. A vent may extend through a vent opening in the housing to provide ventilation to the housing interior.