Multi-Standard Power Converter Grounding Structure for Safe Conduction

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Solution Overview

Problem

Existing multi-country power plugs lack adequate safety features, particularly in high-power applications, due to the absence of ground wire pins, which increases the risk of electric shock and leakage, and complicates the internal conduction structure.

Innovation Solution

A conversion and conduction structure for a power converter that includes a simple and stable conduction mechanism with ground wire, neutral wire, and live wire assemblies, specifically designed to connect with pins of different national specifications, including ground wires, to enhance safety and convenience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If ground wire pins are provided in multi-country power plugs, then safety is improved, but device complexity increases and internal volume becomes larger

Engineering Contradiction:
ImprovesafetyVSAvoidinternal conduction structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple national pin assemblies (US, UK, EU, AU, etc.) and their corresponding ground wire conduction paths into a single integrated power converter body. The conduction mechanism merges all ground wire connections from different pin assemblies into common ground wire conduction assemblies, eliminating the need for separate ground wire structures for each country standard.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The power converter body is designed with universal conduction assemblies that can accommodate multiple national pin standards simultaneously. The ground wire conduction assemblies serve multiple functions by accepting ground wires from different pin assemblies (US, UK, EU, AU) and providing unified grounding, making the structure adaptable to various countries without increasing complexity.

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

2Reliability

If ground wire pins are provided in multi-country power plugs, then safety is improved, but the internal volume becomes larger

Engineering Contradiction:
ImprovesafetyVSAvoidinternal volume
Core Design Contradiction:
ReliabilityVSVolume of stationary object

Solution Approach 1:

The patent merges all ground wire conduction paths from different pin assemblies into shared ground wire conduction assemblies within the power converter body. This consolidation eliminates redundant ground wire structures and reduces the internal volume required for accommodating grounding components.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The pin assemblies are arranged and integrated within the power converter body in a nested configuration, where multiple pin assemblies share common conduction mechanisms and ground wire pathways. This nesting approach allows multiple national standards to coexist in a compact structure without proportionally increasing internal volume.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Adaptability or versatility

If multiple pin assemblies are grouped on the same power converter, then adaptability is improved, but safety is reduced due to absence of ground wire pins

Engineering Contradiction:
Improvemulti-country compatibilityVSAvoidsafety
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The power converter body incorporates universal ground wire conduction assemblies that can accept and conduct ground wires from multiple different pin assemblies (US, UK, EU, AU standards). This multi-functional design ensures that adaptability to various national standards is maintained while simultaneously providing safety through proper grounding for all configurations.

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

Solution Approach 2:

The patent combines the grounding functionality across all pin assemblies by merging their ground wire connections into common ground wire conduction assemblies. This ensures that regardless of which pin assembly is used, proper grounding is always established, maintaining safety while preserving multi-country adaptability.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS12212104B1Conversion and conduction structure for power converter
Publication Date: 2025.01.28 ZENG GUANGLI
  • US12212104B1 patent drawing
  • US12212104B1 patent drawing
  • US12212104B1 patent drawing

AI summary

The present utility model discloses a conversion and conduction structure for a power converter, comprising the power converter including an upper cover of a main body, a lower cover of the main body, a bracket, a UK-standard pin assembly, a US-standard pin assembly, a hybrid plug assembly of the type CEE7/7, a CN-standard or an AU-standard pin assembly; Plugs in different countries are correspondingly connected in conduction with pins of different national specifications, especially ground wires in plugs in different countries are connected in conduction with pins of ground wires of different national specifications, thereby improving the safety of the power converter.