Modular Home Energy System Bus Architecture for Tool-Free Expansion

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Solution Overview

Problem

Existing home energy systems are not portable and require permanent wiring, making them difficult to expand or reconfigure without professional assistance, limiting their flexibility and usability as both energy storage and generation units.

Innovation Solution

A modular home energy system with a bus system allowing components like AC vehicle charging devices, energy storage modules, and solar modules to be easily plugged together without tools, enabling non-electrician installation and expansion, and allowing for portable energy storage and generation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If home energy systems use permanent wiring and fixed installation, then system stability and reliability are improved, but portability and ease of reconfiguration deteriorate

Engineering Contradiction:
Improvesystem stabilityVSAvoidportability and reconfigurability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The home energy system is divided into modular components (energy storage modules, solar modules, control units) that can be independently connected and disconnected via plug-and-socket interfaces. Each module maintains its functional integrity while allowing flexible system reconfiguration, resolving the contradiction between stable operation and adaptability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system transitions from a static, permanently wired configuration to a dynamic, reconfigurable architecture using detachable connections. Users can adapt the system configuration based on changing needs while maintaining reliable operation through standardized interfaces and connection protocols.

Inventive Principle:
Principle #15Dynamics

2Reliability

If home energy systems require professional electrician installation, then installation reliability and safety are improved, but ease of installation and expansion deteriorate

Engineering Contradiction:
Improveinstallation safetyVSAvoidease of installation
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The system enables end-users to perform installation, expansion, and reconfiguration tasks themselves through tool-free plug-and-socket connections. Safety is maintained through pre-engineered connection interfaces that ensure proper electrical contacts without requiring professional electrician intervention.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Standardized plug-and-socket interfaces serve multiple functions: ensuring safe electrical connections, providing mechanical stability, and enabling user-friendly installation. This universal connection approach eliminates the need for specialized installation tools and skills while maintaining installation safety.

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

3Stability of the object's composition

If energy storage elements are fixed and non-portable, then system stability is improved, but mobility and flexibility deteriorate

Engineering Contradiction:
Improvesystem stabilityVSAvoidmobility
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

Energy storage is divided into portable modular units that can be independently handled and relocated. Each module maintains stable internal composition and electrical characteristics while the overall system gains mobility through the ability to relocate individual modules or reconfigure their arrangement.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS10800280B2Modular home energy system having a bus system and an AC vehicle charging device
Publication Date: 2020.10.13 DR ING H C F PORSCHE AG
  • US10800280B2 patent drawing

AI summary

A home energy system for storing and providing energy.