Warehouse Rack Shelf Deformation Sensing for Overload Alerts

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Solution Overview

Problem

Existing warehouse storage racks face safety issues due to goods exceeding their weight capacity, leading to potential structural deformation and instability.

Innovation Solution

A sensor system mounted on shelves to detect deformation, coupled with a processor to determine and alert on excessive weight, including visual and audio alerts, wireless transmission to user devices, and cloud integration for monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sensors and monitoring systems are added to detect shelf deformation, then safety monitoring capability is improved, but device complexity increases

Engineering Contradiction:
Improvesafety monitoring capabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The monitoring system is divided into modular components: deformation sensors attached to individual shelves, wireless communication modules, and centralized processing systems. This segmentation allows the safety monitoring functionality to be added without requiring complete system redesign, thus improving reliability while managing complexity through modular deployment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A wireless communication intermediary is introduced between the deformation sensors and the monitoring system, eliminating the need for complex wired connections. This intermediary layer simplifies the overall system architecture by using standard wireless protocols, thus improving safety monitoring capability without proportionally increasing device complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of time

If real-time monitoring and alert systems are implemented, then safety response time is improved, but energy consumption increases

Engineering Contradiction:
Improvesafety response timeVSAvoidenergy consumption
Core Design Contradiction:
Loss of timeVSUse of energy by moving object

Solution Approach 1:

The system implements periodic deformation measurements rather than continuous monitoring, with sensors taking readings at scheduled intervals. When no deformation is detected, the system enters a lower-power state. This periodic action maintains safety response capability while significantly reducing average energy consumption compared to continuous real-time monitoring.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system uses feedback from deformation sensor readings to dynamically adjust monitoring intensity. When shelves are within safe parameters, monitoring frequency is reduced to conserve energy. When threshold values are approached, the system increases monitoring frequency and activates alert systems, thus optimizing the balance between response time and energy consumption.

Inventive Principle:
Principle #23Feedback

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

Ensures timely detection and prevention of overloading, maintaining rack stability by alerting users and enabling remote monitoring for proactive safety management.

Implementation Method 1

a sensor configured to couple to a shelf and generate a signal indicative of a deformation of the shelf

Methodology Applied
Scientific EffectDeformation: Deformation

Implementation Method 2

the sensor may include a gyroscope and/or an accelerometer

Methodology Applied
Scientific EffectGyroscope: Gyroscope

Implementation Method 3

the sensor may include a gyroscope and/or an accelerometer

Methodology Applied
Scientific EffectAccelerometer: Accelerometer

Data Source

PatentEP4399479B1Systems and methods for warehouse storage rack safety
Publication Date: 2026.03.04 GUO XIAOYU
  • EP4399479B1 patent drawingFigure 1~2
  • EP4399479B1 patent drawingFigure 3
  • EP4399479B1 patent drawingFigure 4~5

AI summary

A warehouse storage rack safety system includes a sensor configured to couple to a shelf and generate a signal indicative of a deformation of the shelf, a processor, and a memory, including instructions stored thereon, which when executed by the processor cause the warehouse storage rack safety system to receive the sensed signal and determine an amount of deformation of the shelf based on the signal.