Wearable Motion Sensor Wiring With Spring Connectors for Limb Flexing
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Solution Overview
Problem
Existing wearable devices with wired sensors lack flexibility to accommodate body motion, leading to unreliable signal transmission due to rigid connections that cannot adapt to limb movements.
Innovation Solution
A bonding structure integrating mechanical and electrical bonding using wavy signal wires embedded in fabric, with pivot connecting members and spring connectors to maintain reliable electrical connections despite body movement, allowing for flexible and stable signal transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If general-purpose electric wires are used to connect sensors, then electrical connection is established, but flexibility to accommodate body motion is insufficient
Solution Approach 1:
The patent applies wavy wire configuration instead of straight wires. The wavy shape allows the wires to flex and deform with body movements while maintaining electrical connection, resolving the contradiction between connection reliability and motion flexibility.
Solution Approach 2:
The patent integrates wires into fabric structures, using the fabric as a flexible carrier that can accommodate body motion. This embedding approach maintains electrical connectivity while providing the necessary flexibility for wearable applications.
2Reliability
If rigid wire connections are used, then electrical bonding is achieved, but adaptability to limb motion is poor
Solution Approach 1:
The patent transforms static rigid wire connections into dynamic flexible connections that can adapt to motion. The wavy wire design and fabric integration enable the connection structure to dynamically respond to limb movements while maintaining electrical bonding.
Solution Approach 2:
The patent changes the physical state and configuration parameters of the wires from straight and rigid to wavy and flexible. This parameter transformation allows the wires to maintain electrical connection while accommodating the dynamic range of motion required for wearable applications.
3Adaptability or versatility
If wavy wires are sewn on garment, then flexibility is improved, but integration configuration with mechanical and electrical bonding is not disclosed
Solution Approach 1:
The patent merges mechanical bonding (sewing wires into fabric) with electrical bonding (wire-to-sensor connections) into an integrated configuration. This combination approach simplifies the overall system by unifying structural and electrical functions within a single wearable device architecture.
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 reliable and flexible signal transmission by maintaining electrical bonds through deformable joints and spring connectors, accommodating body motion and ensuring continuous data transmission during exercise or movement.
Implementation Method 1
a plurality of spring connectors electrically connected between the plurality of first and second electrical contacts respectively to form a plurality of first pre-deformations
Data Source
AI summary
The wearable device for sensing a motion parameter of a user includes a first protection cover, a module connector, a wire connecting member, a circuit board and a plurality of spring connectors. The wire connecting member has a plurality of first electrical contacts. The first protection cover is connected to the module connector. The circuit board has a plurality of second electrical contacts corresponding to the plurality of first electrical contacts. The plurality of spring connectors are electrically connected to the plurality of first electrical contacts and the plurality of second electrical contacts correspondingly to form a plurality of first electrical connections and a plurality of second electrical connections respectively, and are configured between the module connector and the circuit board to form a plurality of first pre-deformations.