Cable Battery Signal Wire Nesting

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Solution Overview

Problem

The existing integration of cable-type secondary batteries and signal wires faces challenges in assembly and mass production due to structural difficulties, leading to increased outer diameter and complex manufacturing processes.

Innovation Solution

A cable-type secondary battery design where a signal wire unit, formed as a double-spiral optical cable, is inserted inside the battery, allowing for a simplified assembly process and maintaining a compact outer diameter, with a cable sheath providing protection and packaging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a signal cable is disposed outside the cable-type secondary battery at a predetermined distance, then the signal transmission function is achieved, but the total outer diameter is increased

Engineering Contradiction:

Improvesignal transmission functionVSAvoidtotal outer diameter

Core Design Contradiction:

ReliabilityVSVolume of moving object

Solution Approach 1:

The signal wire unit is inserted into the hollow interior space of the cable-type secondary battery, nesting one component inside another. This allows the signal transmission function to be achieved without increasing the total outer diameter, as the signal wire occupies the existing internal void space rather than extending the external dimensions.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Adaptability or versatility

If a flexible secondary battery pack and signal cable are integrated into a single exterior material, then the integrated structure is achieved, but the assembling process becomes difficult

Engineering Contradiction:

Improveintegrated structureVSAvoidassembling process

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The invention separates the battery and signal wire into distinct components that are assembled together rather than integrating them into a single molded piece. The cable sheath serves as a separate protective enclosure that houses both the battery and signal wire unit, allowing for modular assembly and simplifying the manufacturing process while maintaining the integrated appearance.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The cable sheath acts as an intermediary component that provides the protective exterior material for both the battery and signal wire unit. This separate protective layer simplifies assembly by allowing the battery and signal wire to be prepared independently and then enclosed together, rather than requiring complex integration into a single exterior structure.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of manufacture

If signal wires are aggregated in a simplified structure, then the assembling process is simplified, but protection from interference and moisture must be maintained

Engineering Contradiction:

Improveassembling processVSAvoidinterference and moisture

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The cable sheath provides a flexible protective shell that encloses both the cable-type secondary battery and the signal wire unit. This outer protective layer shields the internal components from moisture and external interference while allowing for simplified assembly of the integrated structure.

Inventive Principle:

Principle #30Flexible shells and thin films

Data Source

PatentEP3352284B1Cable-type secondary battery combined with signal wire

Publication Date: 2019.09.04 LG CHEM LTD

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AI summary

The present disclosure discloses a cable-type secondary battery combined with a signal wire, including: a cable-type secondary battery extending in a lengthwise direction and having a hollow interior; a signal wire unit inserted into the cable-type secondary battery and extending in the lengthwise direction of the cable; and a cable sheath covering the cable-type secondary battery.