Retractable Louver Insulators for Panelboard Safety

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Solution Overview

Problem

Existing low voltage panelboards and power distribution systems pose safety risks during installation and maintenance due to exposed 'live' electrical connection points and require complex quality control processes during manufacturing, while also lacking universal compatibility with various electrical components.

Innovation Solution

The implementation of a panelboard and power distribution system with retractable molded louver insulators that provide touch-safe protection and an error-proof manufacturing design, allowing for universal component compatibility and ensuring correct assembly through precise component fitting.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If exposed live electrical connection points are used in prior art panelboards, then electrical components can be directly connected to the power supply, but personnel face shock risks during installation and maintenance

Engineering Contradiction:
Improveease of connectionVSAvoidshock risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent introduces an intermediary device (insulating cover with spring-loaded finger) between the live electrical connection points and personnel. This mediator allows electrical components to be connected while protecting personnel from shock by preventing direct contact with live parts, thus resolving the contradiction between ease of connection and shock risk protection

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If prior art panelboards use fixed insulation barriers, then personnel are protected from shock, but the barriers interfere with the connection of electrical components

Engineering Contradiction:
Improveshock protectionVSAvoidease of connection
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The patent applies dynamics by making the insulating barrier movable rather than fixed. The spring-loaded finger automatically moves to accommodate electrical components during connection and returns to its protective position when components are removed, thus maintaining shock protection while enabling ease of connection

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If prior art panelboards require complex quality control systems, then manufacturing precision can be maintained, but the manufacturing process becomes complicated and time-consuming

Engineering Contradiction:
Improvequality controlVSAvoidmanufacturing process complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent applies preliminary action by incorporating error-proof design features directly into the manufacturing process. The insulating cover and spring-loaded finger are pre-configured with precise dimensions and tolerances that ensure proper function, eliminating the need for complex post-assembly quality control systems and reducing manufacturing complexity

Inventive Principle:
Principle #10Preliminary action

4Ease of manufacture

If prior art panelboards are designed with fixed architecture, then manufacturing is simplified, but universal compatibility with various electrical components is lost

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidcomponent compatibility
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent applies universality by designing the insulating cover and spring-loaded finger mechanism to accommodate multiple types of electrical components (circuit breakers, GFCIs, AFCIs, etc.). This universal design maintains manufacturing simplicity while enabling compatibility with various market-available products through standardized mounting interfaces

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

Data Source

PatentUS11329457B1Panelboard and electrical power distribution system
Publication Date: 2022.05.10 MCA-FAB INC
  • US11329457B1 patent drawing
  • US11329457B1 patent drawing
  • US11329457B1 patent drawing

AI summary

An electrical power distribution system that includes a hollow body with at least one seamless insulated bus bar on top of a non-energized metal mounting surface. A plurality of connection points are distributed along the bus bar for electrical device connections. The connection points are contained inside molded plastic louvers and are electrically connected to the main bus bar. Electrical device connections are accomplished via plugging directly onto the electrical connection points while the plastic louvers recede from around the bus bar. The attachment of electrical devices of various sizes and configurations may be accommodated though varying the pitch and size of the electrical connection points.