Front-Accessible Image Module Mounting for LED Walls

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Solution Overview

Problem

The existing methods for assembling and disassembling image modules in modular projection screens are cumbersome, particularly due to the need to access screw connections from the rear, which complicates the replacement process.

Innovation Solution

An assembly tool comprising a lower and upper mounting frame with guide rods and screw connections allows for front-side access and manipulation of image modules, enabling easy assembly and disassembly by hiding screw connections under removable corner segments and using a gripping tool for corner segment removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the screw connection is located at the rear of the device housing, then the image module can be securely mounted, but the replacement process becomes cumbersome and requires rear access

Engineering Contradiction:
Improveease of image module replacementVSAvoidcomplexity of assembly tool
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The device housing is segmented into front and rear sections, with the screw connection strategically positioned to be accessible from the front. The mounting frame is divided into upper and lower parts that can be independently manipulated, allowing front-side access to fastening mechanisms without compromising structural integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A mounting frame serves as an intermediary structure between the image module and the device housing. This mounting frame provides guide rods that facilitate alignment and includes integrated screw connections that are accessible from the front, eliminating the need for rear access while maintaining secure mounting.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If the screw connection is made accessible from the front, then the replacement process is simplified, but the aesthetic appearance of the device front is compromised

Engineering Contradiction:
Improveease of image module replacementVSAvoidaesthetic appearance of device front
Core Design Contradiction:
Ease of operationVSShape

Solution Approach 1:

The mounting frame is designed with differentiated local qualities: the upper mounting frame portion maintains a clean, aesthetic appearance that matches the device front, while the lower mounting frame portion contains the functional screw connections. This allows front accessibility without compromising the visual appearance of the device front surface.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The screw connections are positioned in a different spatial dimension - specifically in the lower portion of the device front - rather than being distributed across the visible face. This dimensional relocation allows maintenance access while preserving the aesthetic quality of the upper and central front regions.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Stability of the object's composition

If the image module is securely fastened with multiple screw connections, then the mounting stability is improved, but the assembly and disassembly time increases

Engineering Contradiction:
Improvemounting stability of image moduleVSAvoidassembly and disassembly time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The mounting frame incorporates pre-positioned guide rods and alignment features that automatically guide the image module into correct position during assembly. The screw connections are pre-configured in accessible locations, eliminating the need for complex alignment procedures and reducing assembly time while maintaining secure fastening.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The mounting system transitions from a static, fixed-position screw connection to a dynamic system where the mounting frame can be independently positioned and adjusted. The guide rods enable smooth insertion and removal movements, making the fastening process more efficient while maintaining stability during operation.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3254272B1Image display device and associated mounting and removal method
Publication Date: 2019.07.17 EYEVIS FUR PROJEKTIONS UND GROSSBILDTECHN MBH
  • EP3254272B1 patent drawingFigure 1~2
  • EP3254272B1 patent drawingFigure 3~4
  • EP3254272B1 patent drawingFigure 5~6

AI summary

The invention relates to an image display device (1), in particular for forming an image wall comprising numerous adjacent image display devices, having a device housing (2), in particular with electronics components for operating the image display device (1), and having an image module, in particular an LED image module, which is arranged on the front face of the device housing (2) and is connected to the device housing (2) by at least one first screw connection, so that the image module can be replaced by releasing the first screw connection between the device housing (2) and the image module (3). The invention provides that the first screw connection between the image module and the device housing (2) which is situated behind it is accessible from the front face, so that the image module can be replaced without work being required at the rear face or the sides of the image display device (1).