Air Massage Device Variable Air Supply Dynamics
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Solution Overview
Problem
Conventional air massage devices provide a monotonous mechanical pressing sensation due to constant air supply, failing to replicate the varying degrees of strength experienced in human massages, leading to a less satisfying massage experience.
Innovation Solution
An air massage device with an air supply and exhaust system that gradually increases air supply speed to airbags, allowing for a quadratic increase in air pressure, mimicking the varying pressures of human massage, using a diaphragm pump and solenoid valve controlled by a microprocessor to adjust air supply per unit time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If air is supplied to airbags at a constant air supply amount per unit time, then the airbag reaches a prescribed pressure setting, but the pressing force changes monotonically without sufficient variation
Solution Approach 1:
The patent applies dynamics by making the air supply speed variable rather than constant. The air supply speed is controlled to gradually increase over time, creating a dynamic pressing force that mimics human massage patterns. This resolves the contradiction by introducing temporal variation in the air supply rate, transforming the static constant-pressure approach into a dynamic, experience-enhancing system.
2Force
If air supply speed is increased to provide stronger pressing force, then massage effectiveness improves, but sudden pressure changes occur causing discomfort
Solution Approach 1:
The patent applies preliminary action by gradually increasing the air supply speed before reaching the target pressing force. Instead of suddenly applying full pressure, the system progressively builds up the air supply rate, allowing the user's body to adapt to increasing pressure. This prevents sudden pressure shocks while still achieving the desired massage effectiveness, resolving the contradiction between force strength and comfort.
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 provides a massage experience with gradually increasing pressure, simulating the dynamic strength of human massage, enhancing the comfort and realism of the massage, preventing sudden pressure changes and maintaining a firm pressing sensation throughout.
Implementation Method 1
an air supply means to supply air to the airbag such that the amount of air supplied per unit time (in other words, the air supply speed) to the airbag gradually increases
Data Source
AI summary
Apparatus and method for providing massage with airbags which inflate by the supply of air and press against treatment regions of a human body. An air supply and exhaust device for supplying air to and exhausting air from the airbag is provided with an air pump, regulator, air tank, a solenoid valve, a diaphragm pump, a motor, an air supply speed adjustment valve and control unit for supplying air to the airbag such that the amount of air supplied to the airbag per unit time gradually increases.