Air Pump Pressure Feedback Control for Stable Inflatable Support
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing air pump systems for inflatable products lack efficient control over inflation pressure, leading to over-inflation, under-inflation, and difficulty in maintaining a stable pressure, requiring manual intervention and increasing power consumption.
Innovation Solution
An air pump control system comprising a primary air pump, a supplemental air pump, an air pressure sensor, and a central control unit that automatically adjusts the air flow based on detected pressure values to maintain a stable pressure, using switching between inflating, deflating, and closed air passages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a manual inflation pump or hand-held electric air pump is used, then the user can control the inflation process, but the inflation time is extended and the operation is inconvenient
Solution Approach 1:
The patent divides the air pump system into two independent pumps: a first air pump for rapid inflation and a second air pump for precise pressure maintenance. This segmentation allows each pump to specialize in its function, with the first pump quickly inflating the product and the second pump maintaining pressure, thereby reducing total time while improving ease of operation
Solution Approach 2:
The patent implements a feedback control system where a pressure sensor continuously monitors the internal pressure of the inflatable product and sends signals to the control unit. The control unit automatically activates or deactivates the air pumps based on the detected pressure values, eliminating manual intervention and reducing inflation time while making the system extremely easy to operate
2Productivity
If the built-in electric pump is used for inflation, then the inflation speed is faster and the operation is more convenient, but the pressure control accuracy is poor and over-inflation or under-inflation occurs
Solution Approach 1:
The patent segments the air pumping function into two specialized units: the first air pump designed for rapid inflation to achieve high productivity, and the second air pump designed for precise pressure supplementation. This segmentation allows the first pump to maintain high inflation speed while the second pump ensures precise pressure control, preventing both over-inflation and under-inflation
Solution Approach 2:
The pressure sensor provides continuous feedback to the control unit, which automatically regulates both pumps. The control unit compares the detected pressure with the target pressure and selectively activates the first pump for rapid inflation or the second pump for precise pressure adjustment, thereby maintaining both high inflation speed and high pressure control accuracy
3Strength
If the inflatable product is inflated to high pressure, then the support force is sufficient, but the product expands and deforms and becomes easy to break
Solution Approach 1:
The pressure sensor continuously monitors the internal pressure and provides feedback to the control unit. The control unit automatically deactivates the air pumps when the target pressure is reached, preventing over-inflation. This feedback mechanism ensures the product achieves sufficient support force without exceeding the safe pressure limit that would cause deformation or breakage
Solution Approach 2:
The patent changes the pressure parameter control strategy by using automated detection and control to maintain pressure within an optimal range. The control unit adjusts the inflation process based on real-time pressure data, ensuring the pressure is high enough for sufficient support force but not so high as to cause deformation or breakage
4Reliability
If the inflatable product uses thermoplastic rubberized fabric, then the material is durable, but the product loses internal air pressure over time and requires repeated manual inflation
Solution Approach 1:
The pressure sensor continuously monitors the internal pressure and provides feedback to the control unit. When the pressure drops below the threshold, the control unit automatically activates the second air pump to supplement air. This automated feedback system maintains pressure for extended durations by promptly responding to pressure losses, eliminating the need for repeated manual inflation while preserving the durability benefits of thermoplastic rubberized fabric
Solution Approach 2:
The system implements self-service functionality where the pressure sensor and control unit automatically detect pressure loss and activate the second air pump to maintain pressure. This self-service mechanism extends the duration of pressure maintenance by automatically correcting pressure drops without requiring user intervention, while the durable thermoplastic rubberized fabric continues to provide reliable containment
5Device complexity
If the user manually presses the inflatable product to sense pressure during inflation, then no barometer is needed, but the control is neither convenient nor accurate and inflation time is extended
Solution Approach 1:
The patent incorporates a pressure sensor that provides automated feedback to the control unit, replacing manual pressure sensing. The sensor accurately measures internal pressure and sends signals to the control unit, which automatically regulates the air pumps. This feedback system dramatically improves measurement precision and convenience while the control unit manages the inflation process based on sensor data
Solution Approach 2:
The patent replaces the manual mechanical pressure sensing method with an electronic pressure sensor and automated control system. The sensor electronically detects pressure values and transmits data to the control unit, which automatically adjusts the pumping operation. This substitution of mechanical sensing with electronic detection and automated control improves both measurement precision and operational convenience
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 system improves operational efficiency by preventing over-inflation and under-inflation, maintaining stable internal air pressure, and reducing power consumption by automating air supplementation.
Implementation Method 1
an air pressure sensor, which is used for detecting an internal air pressure value of the inflatable body, and adapted to generate an internal pressure signal associated with the internal air pressure value
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An air pump control system includes an air pump for inflating or deflating an inflatable body; a switching driving device connected to the air pump for driving the switching between two or more air passages; and an air pressure sensor for detecting an internal air pressure value of the inflatable body, and sending an internal pressure signal to a central control unit, which is connected to the air pump, the switching driving device, and the air pressure sensor. The central control unit sends a driving signal to the switching driving device to activate the switching between the air passages, and sends an activation or deactivation signal to the air pump according to the detected internal air pressure value and a pre-set inflating air pressure value, to control the activation or deactivation of the air pump. An air pump control method adapted to the above air pump control system is provided.