Air Pressure Adjusting Device for Massager Airbag Control
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Solution Overview
Problem
Existing air pressure massagers suffer from air cross between inflated and non-inflated airbags, leading to reduced air pressure, noise, and increased control difficulty and complexity in airbag inflation and deflation.
Innovation Solution
The air pressure adjusting device includes a base with pressure maintaining channels and three-way chambers, each connected to a diversion chamber and an airbag connecting pipe. Check valves and solenoid valves control the flow of air to prevent backflow and maintain pressure, allowing for efficient and controlled airbag inflation and deflation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If solenoid valves are used to control airbag inflation and deflation, then airbag control is achieved, but air cross between airbags occurs causing reduced air pressure and noise
Solution Approach 1:
The invention divides the air control system into independent segments by providing separate control channels for each airbag. Each airbag has its own inflation channel and deflation channel that are physically separated, preventing air cross between adjacent airbags. The base structure includes multiple independent solenoid valves and control channels that operate autonomously for each airbag.
Solution Approach 2:
The invention introduces intermediary components including check valves and pressure maintaining channels that act as mediators between the air source and airbags. These intermediaries prevent direct air flow paths between airbags, ensuring that high-pressure air from one airbag cannot flow back into another airbag through the control system.
2Manufacturing precision
If airbags are gradually inflated from non-inflated state, then complete inflation is achieved, but inflation time is long leading to reduced massage cycles
Solution Approach 1:
The invention implements preliminary action by providing a pressure maintaining channel that pre-charges the control system with pressurized air before actual airbag inflation begins. This pre-pressurized air is stored ready in the control channels and solenoid valves, eliminating the need to gradually build pressure from atmospheric levels during each inflation cycle.
Solution Approach 2:
The invention ensures continuity of useful action by maintaining constant air pressure in the control system through the pressure maintaining channel. Instead of repeatedly cycling from zero pressure to full pressure for each airbag inflation, the system continuously maintains pressurized air ready for immediate deployment to any airbag, significantly reducing inflation time.
3Ease of operation
If air pressure in inflated airbag decreases due to air cross, then control difficulty increases, but control accuracy is reduced
Solution Approach 1:
The invention implements feedback mechanisms through pressure sensors that continuously monitor air pressure in each airbag and the control channels. This feedback information is used by the control system to adjust solenoid valve operation and maintain precise pressure control, compensating for any pressure variations and ensuring accurate massage pressure delivery.
Solution Approach 2:
The pressure maintaining channel acts as an intermediary that stabilizes and regulates air pressure between the air source and individual airbags. This intermediary channel ensures consistent pressure delivery by preventing pressure drops caused by air cross, thereby maintaining high control accuracy for each airbag independently.
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 effectively prevents air cross, maintains consistent air pressure in airbags, reduces noise, and improves control accuracy and efficiency in airbag inflation and deflation, leading to a better massage experience and reduced power consumption.
Implementation Method 1
a check valve is arranged at the connection between the three-way chambers and the pressure maintaining channel and is opened in the direction from the three-way chambers to the pressure maintaining channel
Implementation Method 2
the opening and closing of the solenoid valves are controlled by the control system of the air pressure massager
Data Source
AI summary
An air pressure adjusting device, an air pressure massager thereof and a method for controlling the air pressure massager are discussed. The air pressure adjusting device includes a base, wherein an air intake channel and a plurality of air chambers are arranged. Each air chamber is communicated with an openable and closable air intake chamber, an airbag connecting pipe is communicated with the air intake chamber, and the air chamber not communicated with the air intake chamber is communicated with the air intake channel. A check valve is arranged at the connection between each air intake chamber and the air intake channel. The check valve is opened in the direction from the air intake chamber to the air intake channel. The air intake channel is also communicated with the openable and closable air intake port of the air intake channel and a first openable and closable air exhaust channel.