Integrated Gas Pump Module for Pressure Sensing and Load Control
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Solution Overview
Problem
Conventional thin gas transportation devices face challenges in miniaturization and efficient regulation of both positive and negative pressure loads, particularly in inflating or deflating, due to difficulties in controlling the inflation and deflation processes.
Innovation Solution
An actuating and sensing module is developed, comprising a bottom plate, terminal, control chip, partition plate, gas pressure sensor, thin gas transportation device, and cover plate, which allows for miniaturization and efficient regulation of gas flow and pressure by integrating a thin gas pump and valve structure, enabling connection to both positive and negative pressure loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional thin gas transportation devices are used for miniaturization, then the volume is reduced, but the ability to regulate inflation and deflation of pressure loads is lost
Solution Approach 1:
The patent combines the gas pump, gas pressure sensor, and control circuit into an integrated actuating and sensing module. The control circuit is disposed on the same substrate as the gas pump, and the gas pressure sensor is integrated within the module, allowing miniaturization while maintaining regulation capability through the unified design.
Solution Approach 2:
The actuating and sensing module serves multiple functions: it acts as a gas pump for transporting gas, includes a gas pressure sensor for detecting pressure, and incorporates a control circuit for regulating inflation and deflation. This multi-functional integration enables the device to maintain regulatory capability while being miniaturized.
2Productivity
If the structure is miniaturized to maximize flow rate, then the device becomes more compact, but the complexity of connecting to positive and negative pressure loads increases
Solution Approach 1:
The actuating and sensing module is designed to handle both positive pressure load inflation and negative pressure load deflation through its integrated control circuit, which can regulate gas flow in both directions. This universal capability allows the miniaturized device to connect to and regulate both types of pressure loads without requiring separate systems.
Solution Approach 2:
The control circuit integrates multiple control functions within a single compact unit, combining the capabilities to regulate both positive and negative pressure loads. This merging of functions reduces the overall system complexity despite the enhanced multi-directional regulatory capability.
3Ease of operation
If regulation capability is added to thin gas transportation devices, then inflation and deflation can be controlled, but the device volume increases
Solution Approach 1:
The control circuit is disposed on the same substrate as the gas pump, and the gas pressure sensor is integrated within the module, creating a compact unified structure. This integration allows the addition of regulation capability without proportionally increasing the overall device volume.
Solution Approach 2:
The gas pressure sensor and control circuit are nested within the actuating module structure, with the control circuit disposed on the substrate and the sensor integrated within the same housing. This nesting arrangement minimizes the volume increase while incorporating full regulation capability.
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 module effectively regulates gas transportation, senses pressure and flow rate, and achieves efficient inflation and deflation of both positive and negative pressure loads, enhancing the miniaturization and operational efficiency of gas transportation devices.
Implementation Method 1
The thin gas transportation device is disposed on the partition plate and seals the gas outlet and the pressure relief orifice. The gas is transported to the outlet opening by the thin gas transportation device
Implementation Method 2
the change of pressure and flow rate of the gas can be sensed by the gas pressure sensor disposed in the outlet opening
Data Source
AI summary
An actuating and sensing module is disclosed and includes a bottom plate, terminals, a control chip, a partition plate, a gas pressure sensor, a thin gas transportation device and a cover plate. The bottom plate includes terminal grooves, a recess, a gas outlet and a gas relief aperture. The terminals are disposed in the terminal grooves. The control chip is disposed in the recess. The partition plate is stacked on the bottom plate and includes an outlet opening in communication with the gas outlet and a pressure relief orifice corresponding to the gas relief aperture. The thin gas transportation device seals the gas outlet and the pressure relief orifice. The cover plate includes an opening passed through by the thin gas transportation device. The gas is transported to the outlet opening by the thin gas transportation device and sensed by the gas pressure sensor disposed in the outlet opening.