Heating Mat Fault Indication With Animal-Visible Light Cues

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Solution Overview

Problem

Heating mats used in livestock operations lack visual indicators to signal when they are warm or damaged, posing risks of overheating, injury, and fire hazards, and there is a need for a system that safely alerts both animals and operators to these conditions.

Innovation Solution

A failure indication system comprising a light assembly that projects a visible wavelength of light to attract animals to a heating mat and alerts operators when the mat is damaged or malfunctioning, utilizing a control circuit to detect faults and activate the light indicator.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If heating mats are used to provide warmth for piglets, then piglets receive necessary heat, but there is no visual indicator showing when the heating mat is warm or damaged

Engineering Contradiction:
Improveheating mat operation status indicationVSAvoidvisual feedback to animals and operators
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The patent employs LEDs that change color or illuminate to provide visual indicators of the heating mat's operational status. The light assembly includes LEDs that can indicate when the mat is warm, damaged, or malfunctioning, providing clear visual feedback to both animals and operators without requiring physical contact or inspection.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The patent introduces a light assembly as an intermediary device between the heating mat and the observers (animals and operators). This intermediary translates the internal thermal and electrical state of the heating mat into visible light signals that can be perceived from a distance, eliminating the need for direct contact or close inspection.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Temperature

If heating mats are used in livestock operations, then piglets receive warmth, but livestock may apply large amounts of downward pressure causing damage to heating elements

Engineering Contradiction:
Improveheating mat temperatureVSAvoidheating element durability
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The patent incorporates a control circuit that continuously monitors the heating mat for faults before they lead to failure. The system detects potential damage to heating elements caused by livestock pressure and activates warning indicators proactively, allowing operators to address issues before they result in fires or complete failures.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements a feedback mechanism where the control circuit continuously monitors the heating mat's electrical and thermal state and provides real-time feedback through the light assembly. When the mat is damaged or malfunctioning, the system immediately signals operators through visual indicators, enabling timely intervention to prevent catastrophic failures.

Inventive Principle:
Principle #23Feedback

3Temperature

If heating mats generate heat for piglets, then piglets are warmed, but piglets may be unaware that the heating mat is warm unless they touch it

Engineering Contradiction:
Improveheating mat warmthVSAvoidpiglet attraction to heating mat
Core Design Contradiction:
TemperatureVSEase of operation

Solution Approach 1:

The patent uses LEDs that emit visible light to indicate when the heating mat is warm. The light assembly provides visual cues that attract piglets to the appropriate heating area without requiring them to physically touch or taste-test the surface, making the thermal resource immediately apparent and accessible.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The patent introduces light as an intermediary signal between the heating mat's thermal state and the piglets. Instead of relying on thermal conduction through contact, the system uses visible light to communicate the mat's temperature status, allowing piglets to locate and use the heating mat from a distance.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Power

If heating elements are embedded in heating mats, then heat is generated, but damage to heating elements may cause shorts resulting in fires or hot spots

Engineering Contradiction:
Improveheating element power outputVSAvoidfire hazard and hot spots
Core Design Contradiction:
PowerVSObject-affected harmful factors

Solution Approach 1:

The patent implements continuous monitoring through the control circuit that detects faults in the heating elements and provides immediate feedback via the light assembly. When damage is detected that could lead to shorts, fires, or hot spots, the system alerts operators promptly, enabling preventive action before catastrophic events occur.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent employs preliminary detection and warning mechanisms that identify potential hazards before they manifest as actual dangers. The control circuit monitors for conditions that precede fires or hot spots and activates warning indicators in advance, allowing operators to take corrective action to prevent the harmful events from occurring.

Inventive Principle:
Principle #9Preliminary anti-action

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

The system effectively alerts animals to the warmth of the heating mat and informs operators of potential damage, reducing the risk of overheating, injury, and fire hazards while ensuring easy deployment and durability.

Implementation Method 1

Heating mats are typically constructed of a plastic material with an embedded resistive element, such as a wire

Methodology Applied
Scientific EffectResistive heating: Joule Heating

Implementation Method 2

The light assembly is configured to project a wavelength of light that is visible to animals and that illuminates the heating mat assembly

Methodology Applied
Scientific EffectLight emission: Light

Data Source

PatentUS12588650B2Failure indication system
Publication Date: 2026.03.31 FARRPRO INC
  • US12588650B2 patent drawing
  • US12588650B2 patent drawing
  • US12588650B2 patent drawing

AI summary

In one or more arrangements, a failure indication system is provided having a light assembly, a heating mat assembly and a control circuit. The light assembly is configured to project a wavelength of light that is visible to animals and that illuminates the heating mat assembly to attract an animal to the heating mat. The control circuit is configured to detect when a fault has occurred with the heating mat assembly. When the control circuit detects that a fault has occurred with the heating mat assembly, the control circuit causes the light assembly to indicate the heating mat assembly is not functioning properly.