Modular Head-Mountable Headphone Frame for Compact Storage
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Solution Overview
Problem
Existing head-mountable headphones, such as fixed-frame, adjustable-frame, and foldable-frame headphones, face challenges with storage, carrying convenience, and limited use scenarios due to their design, which restricts their adaptability and comfort.
Innovation Solution
A head-mountable frame with an arcuate shape and removable earpiece modules, featuring a press-in fit and magnetic or rotary clamping mechanism, allows for quick installation and detachment, and can be adjusted to fit different head sizes, ensuring comfort and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a fixed-frame headphone design is used, then the structure is simple and easy to manufacture, but the headphone is relatively large, inconvenient to store and carry, and uncomfortable to wear
Solution Approach 1:
The headphone is divided into separate functional modules: an adjustable headband assembly and removable earpiece assemblies. The headband can be independently adjusted for size, while earpieces can be detached and stored separately, resolving the contradiction between structural simplicity and storage convenience.
Solution Approach 2:
The headband incorporates an adjustable length mechanism with telescopic arms and ratchet locks, allowing dynamic adaptation to different head sizes. This dynamic adjustment capability improves wearability and comfort while maintaining a relatively compact form factor for storage.
2Adaptability or versatility
If an adjustable-frame headphone is used, then the size can be adjusted to fit different heads, but it is inconvenient to store and carry and has limited use scenarios
Solution Approach 1:
By separating the earpiece assemblies from the headband, the design allows the headband to be stored in a compact form while earpieces can be detached and stored in cases or pockets, improving overall storage convenience without sacrificing size adjustability.
Solution Approach 2:
The telescopic headband mechanism with multiple lockable positions provides adaptable sizing while maintaining a compact folded state for portability, resolving the contradiction between adjustability and storage convenience.
3Adaptability or versatility
If a foldable-frame headphone is used, then it can be compacted for storage, but it is expensive in production and has limited use scenario
Solution Approach 1:
The modular design with removable earpieces and adjustable headband allows for simpler manufacturing compared to complex foldable mechanisms. Each module can be produced independently using standard manufacturing processes, reducing overall production cost while achieving compact storage capability.
Solution Approach 2:
The adjustable headband provides dynamic size adaptation without requiring complex foldable joint mechanisms, simplifying the overall structure and reducing manufacturing costs while maintaining storage compactness.
4Ease of operation
If a removable earpiece module design is used, then the headphone can be quickly mounted and removed, but the connection mechanism adds structural complexity
Solution Approach 1:
The connection between earpiece modules and the headband uses a simplified mechanical interface with alignment features and snap-fit or bayonet mounting. This replaces complex locking mechanisms with a straightforward connection system that enables quick installation while minimizing structural complexity.
Solution Approach 2:
The earpiece modules incorporate self-aligning features and intuitive connection interfaces that guide proper installation without requiring complex alignment procedures or multiple adjustment steps, enabling users to quickly mount and remove earpieces without assistance.
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 provides a flexible and convenient headphone design that can be easily mounted and removed, adapts to various use scenarios, ensures sound quality, and simplifies cable management, enhancing user comfort and usability.
Implementation Method 1
the first magnet is configured to attract the second magnet so that the earmuff assembly is connected to the ear shell
Data Source
AI summary
A head-mountable frame includes a frame body configured with an arcuate shape, and a pair of ear shells connected to both ends of the frame body, respectively. Each of the ear shells is provided with a receiving cavity for installing an earpiece module. The head-mountable frame includes an earmuff assembly provided on the inner side of each ear shell and configured to fit closely to an ear, thereby forming a closed sound transmission cavity between the earpiece module and the ear. The receiving cavity of the ear shell is configured to receive the earpiece module through press-in fit removably. A head-mountable Bluetooth headphone includes the head-mountable frame and a Bluetooth headphone module which can be removably mounted in the receiving cavity through a press-in fit. A helmet includes a helmet body and a Bluetooth headphone module which can be removably mounted in the helmet body.