Modular Watthour Meter Assembly for Efficient Calibration

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Solution Overview

Problem

Existing systems for connecting and testing multiple electric power meters are inefficient in manufacturing, transportation, and require disassembly for relocation, lacking a freestanding and easily transportable structure for efficient calibration and testing.

Innovation Solution

A modular assembly with a housing and frame design that supports multiple electric power meters, allowing for freestanding operation, easy relocation, and remote reading capabilities, featuring movable outer panels, meter blocks, and integrated components like sensors, transformers, and circuit breakers for efficient testing and calibration without disassembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If multiple electric power meters are connected using existing systems, then power measurement capability is provided, but manufacturing efficiency and transportation ease deteriorate due to complex assembly requirements

Engineering Contradiction:
Improvemanufacturing efficiencyVSAvoidassembly complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system is divided into modular meter blocks that can be independently manufactured and then assembled into a complete housing unit. Each meter block is a self-contained module with standardized connection interfaces, allowing parallel production and simplifying the overall manufacturing process while maintaining measurement capabilities for multiple power meters simultaneously

Inventive Principle:
Principle #1Segmentation

2Productivity

If existing meter connection systems are used, then power measurement is achieved, but transportation efficiency worsens due to requiring disassembly for relocation

Engineering Contradiction:
Improvetransportation efficiencyVSAvoidrelocation ease
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

Multiple meter blocks are permanently assembled within a single housing structure that functions as one integrated unit. This merging of components into a unified assembly allows the entire system to be transported as a single piece, eliminating the need for disassembly and reassembly during relocation while maintaining all measurement functions

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If multiple electric power meters are installed in existing systems, then calibration and testing capability is provided, but logistical complexity increases without freestanding structure

Engineering Contradiction:
Improvetesting capabilityVSAvoidlogistical complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The housing structure serves multiple functions simultaneously: it provides mechanical support for multiple meter blocks, enables calibration and testing operations, facilitates transportation as a single unit, and allows for easy installation and relocation. This multi-functionality reduces logistical complexity by consolidating what would otherwise require separate systems into one integrated platform

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

Data Source

PatentUS11835555B2Multiple watthour meter assembly
Publication Date: 2023.12.05 E J BROOKS COMPANY
  • US11835555B2 patent drawing
  • US11835555B2 patent drawing
  • US11835555B2 patent drawing

AI summary

An assembly includes a housing having an inner panel and an outer panel. The housing defines a chamber between the inner panel and the outer panel. The outer panel defines a plurality of openings open to the chamber. The assembly includes a plurality of meter blocks supported by inner panel of the housing within the chamber, the meter blocks at the openings.