Construction Equipment Display Indicators for In-View Risk Signals

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Solution Overview

Problem

Construction equipment operators often fail to recognize work errors or risk signals due to displays being located away from their primary focus, leading to potential accidents.

Innovation Solution

A display system with indicators installed within the operator's field of view, using light-emitting units to visually display work information such as work depth, height, POD, lifting weight, and battery charging status in different colors based on deviation from preset criteria.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If the display is located on the side of the cabin, then the work range information can be displayed, but the operator cannot easily recognize it when focusing on the front work device

Engineering Contradiction:
Improvework range information recognitionVSAvoidoperator attention focus
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The patent extracts the critical work range information from the main display and presents it separately through indicators positioned in the operator's direct field of view. This separation allows the operator to monitor work range compliance without diverting attention from the primary work area, effectively resolving the contradiction between information visibility and operational focus.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent transitions the display of work range information from a two-dimensional screen interface to a spatial arrangement of indicators positioned at multiple locations around the operator's field of view. This dimensional change ensures that critical information is always within the operator's natural line of sight, eliminating the need to shift attention between the display and work area.

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

2Reliability

If the operator focuses on the work field, then the primary work can be monitored, but risk signals are recognized late leading to potential accidents

Engineering Contradiction:
Improveaccident preventionVSAvoidsignal recognition time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies local quality by positioning different types of indicators (work range indicators and risk signal indicators) at specific locations within the operator's field of view. Critical safety information is placed in prominent positions that ensure immediate visibility, allowing the operator to recognize risk signals instantly without diverting attention from the work field, thereby preventing accidents while maintaining operational focus.

Inventive Principle:
Principle #3Local quality

3Loss of information

If multiple work information parameters are displayed, then comprehensive monitoring is achieved, but the display complexity increases

Engineering Contradiction:
Improvework information completenessVSAvoiddisplay system complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent segments comprehensive work information into multiple discrete indicator types, each representing a specific parameter (work depth, height, POD, lifting weight, battery charging status). Each indicator is positioned separately within the operator's field of view, allowing comprehensive monitoring of all parameters without creating a complex centralized display. This segmentation simplifies the overall system while maintaining information completeness.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables operators to intuitively recognize work errors and risk signals without diverting attention from the primary work field, enhancing safety by providing immediate visual feedback.

Implementation Method 1

a plurality of light-emitting units on which a plurality of stages of the work information may be displayed

Methodology Applied
Scientific EffectLight emission: Light Emitting Diode

Data Source

PatentEP4621144A1Construction equipment display system
Publication Date: 2025.09.24 VOLVO CONSTRUCTION EQUIPMENT AB
  • EP4621144A1 patent drawingFigure 1~2
  • EP4621144A1 patent drawingFigure 3~4
  • EP4621144A1 patent drawingFigure 5

AI summary

An aspect of contents of the present disclosure provides a construction equipment display system that is mounted on construction equipment including a work device and a cabin and configured to visually display at least one piece of work information of the construction equipment, the display system comprising a plurality of light-emitting units on which a plurality of stages of the work information may be displayed, wherein the plurality of light-emitting units comprise at least one indicator arranged in the vertical direction, and an indicator controller which receives the work information from at least one controller or at least one sensor of the construction equipment and operates the light-emitting units according to the work information to visually provide the work information to an operator, and the plurality of light-emitting units are controlled to emit light of different colors or for each position, depending on a degree to which the work information deviates from a preset criterion.