Work Glove Flexible PCB Protection Against Signal Line Breakage
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Solution Overview
Problem
Existing work gloves with electrical triggers face issues of signal line breakage due to high stress from stretching, leading to a reduced service life and connection failure between the trigger and the electronic module.
Innovation Solution
A glove design featuring a protective layer made of a less stretchable material, such as nylon, covering the signal line to absorb tensile forces, combined with a flexible printed circuit board, ensuring the signal line remains protected and maintains a consistent connection with the trigger.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the glove is made stretchable for comfort and flexibility, then ease of operation is improved, but the signal line is subjected to high tensile forces causing breakage and connection failure
Solution Approach 1:
The glove is divided into different functional layers: a stretchable base layer for flexibility, a non-stretchable protective layer for signal line protection, and a cover layer. This segmentation allows each layer to perform its specific function independently, resolving the contradiction between overall flexibility and signal line reliability.
Solution Approach 2:
A non-stretchable protective layer is introduced as an intermediary between the stretchable base layer and the signal line. This intermediate layer absorbs the tensile forces generated during stretching, preventing direct stress on the signal line while allowing the glove to remain flexible through the base layer.
2Duration of action of stationary object
If the signal line is protected from stretching, then service life is extended, but the glove material must be less stretchable
Solution Approach 1:
The glove structure is segmented into a stretchable base layer and a non-stretchable protective layer. The base layer maintains glove flexibility and stretchability for ease of operation, while the protective layer specifically protects the signal line from tensile forces, extending its service life.
Solution Approach 2:
Different parts of the glove have different mechanical properties: the base layer is made stretchable for comfort and flexibility, while the protective layer is made non-stretchable to protect the signal line. This local differentiation of material properties allows the glove to simultaneously achieve both stretchability and signal line protection.
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 protective layer effectively extends the service life of the signal line and connection by preventing stretching and distance increase, enhancing durability and reliability.
Implementation Method 1
the protective layer is made of a material that is less stretchable than both the material of the cover and the material of the base layer... the less stretchable material absorbs the tensile forces that the signal line would have been subject to
Data Source
AI summary
A glove, in particular a work glove, including at least a base body, a trigger, a first component and a signal line, wherein the first component is attached to the base body, wherein the signal line connects the first component to the trigger electrically and includes a flexible printed circuit board, wherein the base body includes at least a base layer and a cover, wherein the cover covers at least the trigger, wherein the trigger is located between the cover and the base layer, and wherein at least a protective layer is provided in the region of the signal line, the protective layer being attached to the base layer and made of a material that is less stretchable than the material of the cover and the material of the base layer. Moreover, a wearable device is shown.