Earmuff Cable Compaction for Flexible Helmet-Compatible Placement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing hearing devices face challenges in flexibility and effectiveness when worn with protective equipment like helmets, leading to incorrect placement and potential hearing damage.
Innovation Solution
A hearing protection device with a connector linking two earmuffs and a cable compaction system that allows for flexible placement and storage of excess cable length, compatible with both helmet and headband configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a fixed headband structure is used to connect earmuffs, then structural stability is improved, but flexibility in placement relative to wearer's ears deteriorates
Solution Approach 1:
The headband is divided into a rigid connector portion and flexible cable portions. The connector provides structural stability for mounting earmuffs, while the flexible cables allow independent positioning. This segmentation resolves the contradiction by separating the stable mounting function from the flexible positioning function.
Solution Approach 2:
The cable connection path allows the cable to move and flex dynamically while maintaining electrical connection. This dynamic flexibility enables the earmuffs to be positioned independently relative to the wearer's ears while the connector remains structurally stable.
2Strength
If earmuffs are rigidly connected to the headband, then structural integrity is improved, but ease of placement and adjustment deteriorates
Solution Approach 1:
The connection system is segmented into a rigid connector for structural integrity and flexible cables for ease of placement. The connector maintains strength while the cables provide the necessary flexibility for easy positioning and adjustment during use.
Solution Approach 2:
The cable connection path uses flexible cables that can bend and move to facilitate easy placement of earmuffs. These flexible cables maintain electrical connection while allowing the user to position the earmuffs comfortably on their ears.
3Ease of operation
If excess cable length is not managed, then ease of movement is improved, but device complexity and appearance deteriorate
Solution Approach 1:
The excess cable length is stored within the connector housing when not in use. The cable can be extended when needed for placement and adjustment, then returned to a compact nested state within the connector, reducing visual complexity and preventing tangling while maintaining ease of movement during operation.
Data Source
AI summary
A hearing protection device is presented. The device has a first earmuff connected to a second earmuff by a connector. Each of the first and second earmuffs are configured to receive an ambient sound and provide a dampened ambient sound to a wearer. The device also has a cable, with a cable length, that extends from the first earmuff to the second earmuff. The cable is coupled to the connector by a connection assembly. The connection assembly comprises a plurality of connection mechanisms arranged in a connection plan. Such a hearing protection device gives more freedom of placing the cable in a compact arrangement.