Detachable Wiring Connection for Battery Pack Design Flexibility

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Solution Overview

Problem

Conventional battery packs have limited design flexibility due to the constraints imposed by wiring configurations for monitoring battery cell voltage, which restricts the configuration of battery modules within the pack case.

Innovation Solution

An energy storage apparatus with a detachable wiring connection component that allows for flexible connection of first and second wiring, enabling easy reconfiguration and simplification of the apparatus by attaching or removing the component as needed, and facilitating connection between different energy storage devices with varying configurations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If wiring is wired from battery cell electrode terminal to outside the pack case for monitoring voltage, then voltage monitoring function is achieved, but design flexibility of battery module configuration is limited

Engineering Contradiction:
Improvedesign flexibilityVSAvoidwiring configuration constraints
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The battery pack is divided into multiple battery modules, each with its own module case. The wiring system is segmented to connect individual battery cells within modules and then connect modules together in series, allowing independent configuration of each module while maintaining overall system functionality.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The wiring system is designed with universal connectors and standardized connection points that can accommodate different battery module configurations. The same wiring structure can serve multiple functions: monitoring voltage of individual cells, providing series connections between modules, and allowing flexible reconfiguration of the battery pack layout.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If battery modules are configured with fixed wiring arrangements for voltage monitoring, then monitoring reliability is ensured, but reconfiguration and simplification become difficult

Engineering Contradiction:
Improvereconfiguration easeVSAvoidmonitoring reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The wiring system incorporates detachable connectors and flexible routing that allow the battery pack to be dynamically reconfigured. Modules can be added, removed, or rearranged while maintaining reliable electrical connections, enabling the system to adapt to different operational requirements without compromising monitoring reliability.

Inventive Principle:
Principle #15Dynamics

3Device complexity

If wiring is constrained to specific paths for monitoring purposes, then connection reliability is maintained, but device complexity increases

Engineering Contradiction:
Improvewiring structure simplicityVSAvoidconnection reliability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The wiring system uses a nested structure where individual cell connections are contained within module cases, module-level connections are organized separately, and pack-level connections are established through standardized interfaces. This hierarchical nesting simplifies the overall wiring structure while maintaining reliable connections at each level through dedicated connection points.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentEP2814087B1Battery pack with wiring connections
Publication Date: 2020.10.07 GS YUASA INT LTD
  • EP2814087B1 patent drawingFigure 1
  • EP2814087B1 patent drawingFigure 2
  • EP2814087B1 patent drawingFigure 3

AI summary

An energy storage apparatus (1) includes: one or more energy storage devices (200); a wiring connection component for connecting first wiring (440) and second wiring, the first wiring (440) being connected to at least one of the one or more energy storage devices (200), the second wiring being external wiring; and an attachment portion (310) to which the wiring connection component is detachably attached.