Electronic Cigarette Cartridge Audible Connection Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electronic cigarettes lack clear feedback on mechanical and electrical connections between the cartridge and device, leading to potential misconnection, wear on contact surfaces, and risk of loose material entering the vapor stream.
Innovation Solution
An electronic cigarette design featuring a mechanical retaining arrangement with audible feedback, where a threshold insertion force engages retaining elements, producing a distinct sound indicating secure mechanical and electrical connection, using protrusions and recesses with varying shapes and surface hardness to ensure reliable contact and minimize wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical retaining arrangement is used to connect the cartridge to the device, then the mechanical connection is secure, but it is not clear to the user when the connection has been properly made
Solution Approach 1:
The patent implements an audible feedback mechanism where a click sound is generated when the cartridge is properly inserted and the retaining elements engage. This acoustic feedback provides immediate confirmation to the user that the mechanical connection has been successfully established, resolving the information gap about connection status.
2Productivity
If frequent use is made of the mechanical connection, then the device is used extensively, but wear occurs on the contacting surfaces reducing connection efficacy
Solution Approach 1:
The patent employs surfaces with different hardness parameters to create a differential wear pattern. The harder surface resists wear while the softer surface sacrificially wears, maintaining the mechanical interlock geometry and connection reliability even with frequent use.
3Productivity
If frequent use is made of the mechanical connection, then the device is used extensively, but material wears off and collects in the device potentially entering the vapor stream
Solution Approach 1:
The patent converts the harmful wear process into a beneficial self-lubricating mechanism. The softer surface material wears off and fills in gaps or imperfections in the mating surfaces, actually improving the connection and preventing larger debris formation that would contaminate the vapor stream.
4Reliability
If excessive pressure is applied to make the connection, then the user ensures connection, but damage occurs to the device components
Solution Approach 1:
The patent incorporates a mechanical stop or limiting feature that prevents excessive insertion force from being transmitted to the components. The retaining elements engage at a predetermined point, allowing sufficient force for reliable connection while preventing over-compression that would damage the battery or other sensitive components.
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
Provides clear user feedback on connection status, reduces wear on contact surfaces, and prevents loose material from entering the vapor stream by ensuring secure and efficient engagement of the cartridge.
Implementation Method 1
a insertion force is required to move the retaining elements into engagement, the insertion force sufficient to cause a contact between opposing surfaces of the cartridge and cartridge seating which produces an audible signal when the cartridge moves into the retained position
Data Source
Figure 1a~1b
Figure 2
Figure 3A~3C
AI summary
An electronic cigarette comprising an inhaler body and a removable cartridge, the inhaler body comprising: a power unit and a cartridge seating, the cartridge seating comprising a cavity arranged to receive the cartridge in a retained position within the cavity in which the cartridge is electrically connected to the power unit; the electronic cigarette further comprising: a mechanical retaining arrangement comprising a first retaining element located on the cartridge and a second retaining element located on an inner side wall of the cavity, the retaining elements configured to engage when brought into alignment as the cartridge is inserted into the cavity thereby holding the cartridge in the retained position; wherein the retaining arrangement is shaped such that an insertion force is required to move the retaining elements into engagement, the insertion force sufficient to cause a contact between opposing surfaces of the cartridge and cartridge seating which produces an audible signal when the cartridge moves into the retained position.