Inhaler Capsule Piercing Detection for Reliable Hole Formation
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Solution Overview
Problem
Existing inhalation devices face issues with the piercing portion not correctly forming a hole in the consumable material, leading to potential inhalation failures and device damage.
Innovation Solution
An inhalation device equipped with a detection unit, such as a pressure sensor, to accurately determine if a hole has been correctly formed in the consumable material by monitoring pressure applied during piercing, and a control unit to manage device states based on this detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the piercing portion is offset from the capsule axis to improve reliability, then capsule reliability is improved, but hole formation accuracy deteriorates
Solution Approach 1:
The patent implements a detection unit that monitors whether the piercing portion has successfully formed a hole in the consumable material. This feedback mechanism allows the system to detect piercing failures and provide appropriate notifications to the user, resolving the contradiction by maintaining the offset design for reliability while adding detection capability to ensure hole formation accuracy.
2Measurement precision
If a detection unit is added to monitor hole formation, then detection accuracy is improved, but device complexity increases
Solution Approach 1:
The patent employs a pressure sensor-based detection unit that converts the mechanical piercing action into an electrical signal for detection. This substitution of mechanical detection with sensor-based detection improves measurement precision while keeping the added complexity manageable through the use of straightforward sensing technology.
3Measurement precision
If pressure sensor is used to detect piercing force, then measurement precision is improved, but energy consumption increases
Solution Approach 1:
The detection unit operates by monitoring pressure during the brief piercing event rather than continuously. The pressure sensor detects the force applied during the piercing action and provides feedback on hole formation success, reducing energy consumption by activating detection only when needed during the piercing process rather than maintaining continuous monitoring.
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
Ensures accurate detection of hole formation, preventing inhalation failures and device damage by controlling the device state, thus enhancing user safety and device reliability.
Implementation Method 1
the detection unit is configured to detect a pressure applied to the piercing portion
Data Source
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Figure 3A~3B
AI summary
A suction device comprising: a housing; a storage part capable of storing a consumable material in the housing; a perforating part for opening a hole on a surface of the consumable material; and a detection part for enabling the detection of whether the hole was correctly opened by the perforating part.