Modular Inverter Power Station Linking for Higher AC Output

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Solution Overview

Problem

Portable gasless inverter power stations have limited energy capacity and power output due to their portable nature, and combining them with larger power stations is impractical due to size and cost constraints.

Innovation Solution

A power station assembly comprising two inverter power stations connected by a linking module that combines their AC power outputs to provide a higher AC power output, exceeding the current ratings of individual stations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If the size of the power station is increased to provide higher power output and energy capacity, then the power and energy capacity are improved, but the portability and transportability deteriorate

Engineering Contradiction:
Improvepower outputVSAvoidtransportability
Core Design Contradiction:
PowerVSWeight of moving object

Solution Approach 1:

The power station system is divided into multiple modular units that can be used independently or combined together. Each unit has standardized connection interfaces that allow multiple units to be linked, enabling the system to scale from small portable configurations to larger high-power configurations based on user needs.

Inventive Principle:
Principle #1Segmentation

2Power

If the size of the power station is increased to provide higher power output, then the power output is improved, but the cost increases

Engineering Contradiction:
Improvepower outputVSAvoidcost
Core Design Contradiction:
PowerVSEase of manufacture

Solution Approach 1:

Instead of manufacturing expensive large-capacity units, the system uses multiple smaller, more affordable units that can be combined to achieve the same total power output. This modular approach reduces the cost barrier while maintaining the ability to deliver high power when needed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple power station units are electrically connected through a linking module to combine their power outputs. This allows the system to achieve higher power capacity by merging multiple affordable units rather than purchasing a single expensive high-power unit.

Inventive Principle:
Principle #5Merging (Combining)

3Power

If a larger power station with higher rated power output receptacle is used, then the power rating is improved, but the portability and footprint deteriorate

Engineering Contradiction:
Improvepower ratingVSAvoidfootprint
Core Design Contradiction:
PowerVSArea of stationary object

Solution Approach 1:

The system divides the high-power function across multiple compact units rather than requiring a single large unit. Each unit maintains a small footprint, and when combined, they collectively provide high power output without requiring any single unit to be large.

Inventive Principle:
Principle #1Segmentation

4Power

If multiple power stations are connected to increase power output, then the power capacity is improved, but the system complexity increases

Engineering Contradiction:
Improvepower capacityVSAvoidsystem complexity
Core Design Contradiction:
PowerVSDevice complexity

Solution Approach 1:

A linking module serves as an intermediary device that simplifies the connection between multiple power station units. This module handles the electrical interfacing and power combination, reducing the complexity that would otherwise be required to directly connect multiple stations.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS20250233426A1Connectable power stations
Publication Date: 2025.07.17 CHAMPION POWER EQUIP
  • US20250233426A1 patent drawing
  • US20250233426A1 patent drawing
  • US20250233426A1 patent drawing

AI summary

A power station assembly includes two inverter power stations configured to provide respective power outputs at a voltage and at respective currents. The power station assembly additionally includes a linking module configured to electrically connect to the two inverter power stations to receive the respective power outputs therefrom, combine the respective power outputs into a combined power output, and provide the combined power output to a load.