Aerosol Generator Controller for Vibration Head Connection Detection
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Solution Overview
Problem
There is a need for a controller that can determine the proper connection of a vibration head in an aerosol generator and identify the type of vibration head connected, as misalignment or incorrect connection can affect the quality of the generated aerosol and dosage accuracy, particularly in medical settings where errors need to be minimized.
Innovation Solution
A controller with a connection unit, detection unit, and determination unit that uses electric energy storage capacity parameters to detect the connection and type of vibration head, employing pulsed measurements to analyze electric discharge curves and distinguish between connected and disconnected states, and differentiating between various vibration head types based on specific discharge time constants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a vibration head is connected to the controller without verification, then the aerosol generator can operate, but the connection may be improper or the vibration head type may be incorrect, leading to reduced aerosol quality and dosage accuracy
Solution Approach 1:
The controller performs preliminary detection and identification of the vibration head through electrical connection verification and type recognition before allowing aerosol generation to commence. This ensures proper connection and correct vibration head type are confirmed in advance, preventing operational errors.
Solution Approach 2:
The system implements feedback mechanisms where the controller continuously monitors electrical parameters during operation to verify the vibration head remains properly connected and functioning. This real-time feedback ensures ongoing reliability of the connection and vibration head performance.
2Reliability
If the controller implements detection and identification functions for the vibration head, then connection reliability and aerosol quality improve, but the device complexity increases
Solution Approach 1:
The vibration head essentially identifies itself to the controller through its inherent electrical characteristics. The controller detects the vibration head type and connection status by measuring electrical parameters that naturally differ between different vibration head types and connection states, eliminating the need for additional identification hardware.
Solution Approach 2:
The patent replaces potential mechanical identification mechanisms with electrical measurement methods. By using electrical connection verification and electrical parameter measurement, the system achieves vibration head identification and connection verification without complex mechanical sensors or switches.
3Measurement precision
If the controller uses electrical parameters to detect vibration head connection and type, then measurement precision improves, but the difficulty of detecting and measuring increases
Solution Approach 1:
The controller measures changes in electrical parameters (such as capacitance, resistance, or impedance) that occur when different vibration head types are connected or when connection status changes. By monitoring these parameter changes, the system can distinguish between different vibration head types and connection states through relatively simple electrical measurements.
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 controller ensures accurate and reliable aerosol generation by confirming proper electrical connection and selecting appropriate drive parameters for the connected vibration head type, reducing errors and ensuring high-quality aerosol delivery in medical applications.
Implementation Method 1
a detection unit (120) is configured to detect an electric energy storage capacity parameter of the connected electric contacting element (300)
Implementation Method 2
an annular vibration generating element (10), e.g. a piezoelectric element. The piezoelectric element (10) serves as a vibrator for vibrating the vibratable membrane (8)
Data Source
AI summary
The present invention relates to a controller for an aerosol generator having a vibration head for generating an aerosol, the controller comprising: a connection unit (110) for connecting an electric contacting element (300), the electric contacting element being connectable with the vibration head (210); a detection unit (120) for detecting an electric energy storage capacity parameter related to the connected electric contacting element (300); and a determination unit (130) for determining whether the vibration head (210) is connected with the electric contacting element (300) based on the determined electric energy storage capacity parameter.