Battery Housing Venting With Blinded Holes for Aerosol Devices
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Solution Overview
Problem
Aerosol generation devices face challenges in designing venting holes due to limited space and safety risks, particularly in minimizing user harm from venting gases and liquid ingress, with existing designs lacking clear indicators of battery venting.
Innovation Solution
The energy storage assembly incorporates blinded vent holes covered by a blinding member that visually contrasts with the housing, opening under pressure to vent gases and disconnect electrical connections, providing visible signs of venting and ensuring safe gas release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If venting holes are provided in the housing, then pressurized gases can be vented safely, but liquid ingress and user harm risks increase
Solution Approach 1:
The blinding member is pre-installed to cover the venting holes before any pressure build-up occurs. This preliminary protective action prevents liquid ingress during normal operation, while the holes remain available for gas venting when pressure reaches critical levels.
Solution Approach 2:
The blinding member acts as an intermediary element between the venting holes and the external environment. It selectively allows gas to pass through when pressurized while blocking liquid ingress during normal conditions, thus mediating between safety venting and harm prevention.
2Loss of information
If venting holes are made visible, then user awareness of venting is improved, but aesthetic appearance and space utilization are compromised
Solution Approach 1:
The blinding member is designed with a visual aspect that contrasts with the housing, making it visually detectable. This color or appearance differentiation allows users to easily detect when the blinding member has been altered or removed during venting, providing clear visual feedback without compromising the overall aesthetic design.
Solution Approach 2:
The blinding member is nested within the housing structure, integrated into the vent component. This nesting approach allows the venting mechanism to be concealed within the housing while still providing visible indicators when activated, maintaining aesthetic appearance during normal operation.
3Difficulty of detecting and measuring
If the blinding member is made visually contrasting, then detection of blinding member alteration is improved, but manufacturing complexity increases
Solution Approach 1:
The blinding member incorporates a visual aspect (color, pattern, or surface property) that contrasts with the housing material. This visual differentiation is achieved through standard manufacturing techniques such as color-coded materials or surface treatments, enabling easy detection of alteration without requiring complex manufacturing processes.
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 ensures safe and visible indication of battery venting, preventing user harm by disconnecting power and allowing controlled gas release, reducing safety risks and enhancing user awareness.
Implementation Method 1
the blinding member comprises a sleeve configured to deform in case of the predetermined pressure occurring inside the housing to open the plurality of holes
Implementation Method 2
the blinding member comprises a carrier configured to carry a printed circuit board assembly connecting to the battery through breakable electrical connections
Data Source
AI summary
An energy storage assembly device for an aerosol generation device includes a housing intended for housing a battery; a vent component configured to vent pressurized gases from within the housing upon a predetermined pressure in the housing; whereby the housing has an elongated shape; and the housing includes on a circumference of the housing at a first extremity which is free on the inside from being filled by the battery, a first plurality of holes blinded by a blinding member, the first plurality of holes and the blinding member each being part of the vent component.