Prefabricated Support for Rack-Mountable Electrical Devices

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Solution Overview

Problem

Rack-mountable electrical devices require custom-built designs, leading to increased complexity and manufacturing costs due to the need for tailored components.

Innovation Solution

A prefabricated support system for rack-mountable electrical devices featuring a one-piece body with preformed electrical conductors and insulating separation walls, allowing for modular construction with a reduced number of standardized parts, enabling efficient assembly and cost-effective mass production.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If custom-built designs are used for rack-mountable electrical devices, then the devices can be tailored to specific applications, but the manufacturing complexity and costs increase

Engineering Contradiction:
Improveapplication-specific customizationVSAvoidmanufacturing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The electrical device is divided into modular components: a standardized support structure and interchangeable functional modules. Each module can be independently manufactured and then assembled into different configurations to meet specific application requirements, reducing overall manufacturing complexity while maintaining adaptability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A universal support structure is designed with standardized mounting interfaces and conductor arrangements that can accommodate multiple types of electrical equipment. This single platform serves multiple functions across different applications, eliminating the need for custom-built designs for each specific use case.

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

2Adaptability or versatility

If custom-built designs are used for rack-mountable electrical devices, then the devices can be tailored to specific applications, but the manufacturing costs increase

Engineering Contradiction:
Improveapplication-specific customizationVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

By segmenting the device into standardized support structures and interchangeable modules, each component can be mass-produced using optimized manufacturing processes. This reduces per-unit costs compared to building complete custom devices, while still allowing application-specific configurations through module selection.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The design allows for parameter standardization in critical dimensions and interfaces of the support structure, enabling economies of scale in manufacturing. Meanwhile, application-specific parameters are adjusted through modular component selection rather than custom manufacturing, significantly reducing costs.

Inventive Principle:
Principle #35Parameter changes

3Device complexity

If a reduced number of standardized parts are used, then the manufacturing complexity decreases, but the adaptability to different applications may be limited

Engineering Contradiction:
Improvenumber of partsVSAvoidapplication compatibility
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The standardized support structure incorporates universal mounting interfaces, conductor routing options, and module attachment mechanisms that can accommodate various electrical equipment types. This single standardized platform provides broad application compatibility without requiring multiple different part numbers.

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

Solution Approach 2:

The design incorporates adjustable and reconfigurable elements within the standardized structure, such as movable mounting positions, flexible conductor routing, and interchangeable modules. This allows the same basic structure to adapt to different application requirements dynamically, maintaining versatility with fewer parts.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3667845B1Prefabricated support for an electrical device to be mounted on a rack and electrical device comprising such a support
Publication Date: 2021.09.15 SCHNEIDER ELECTRIC IND SAS
  • EP3667845B1 patent drawingFigure 1
  • EP3667845B1 patent drawingFigure 2
  • EP3667845B1 patent drawingFigure 3

AI summary

A prefabricated support (2A, 2B) comprises a single-piece body defining a receiving housing (70) intended to receive an electrical switching device (200) and also delimiting a passage in which electrical conductors are housed, the body comprising a separating wall (100A, 100B), said wall and at least one side of the plate forming a lateral face of the support, said lateral face comprising at least a first fixing member (91A, 91B) and at least a second fixing member (92A, 92B), each second fixing member being of complementary shape to the first fixing member, each first member and each second member being adapted to be engaged with, respectively, another second member and another first member.