Modular Fire Suppression Modules Sealed Against Harsh Environments

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Solution Overview

Problem

Fire suppression systems for large machinery and vehicles face challenges in harsh environments due to exposure to water, dust, oils, extreme temperatures, and vibrations, which can compromise the operation and maintenance of system components.

Innovation Solution

A modular fire suppression system with a centralized controller and sealed modules, including detection, release, and user interface components, designed to withstand harsh conditions with IP67 sealing rating, using gasket members and encapsulant compounds to protect against moisture and debris, and facilitate maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If system components are exposed to harsh environments for operational functionality, then the system can perform fire detection and suppression in real-world conditions, but the components become vulnerable to moisture, dust, oils, extreme temperatures and vibrations

Engineering Contradiction:
Improveoperational functionality in harsh environmentsVSAvoidexposure to moisture, dust, oils, extreme temperatures and vibrations
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The fire suppression system is divided into modular components (detection modules, control modules, suppression modules) that can be independently sealed and protected. Each module can be separately enclosed in protective housings with IP67 sealing, allowing the system to maintain functionality while protecting individual components from harsh environmental factors.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Protective housings and sealing mechanisms act as intermediary barriers between the electronic components and the harsh environment. These intermediaries (seals, gaskets, encapsulant compounds) allow the components to operate in harsh conditions without direct exposure to harmful factors like moisture, dust, and extreme temperatures.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If system components are sealed to protect against harsh environments, then reliability in harsh conditions improves, but maintenance and repair become more difficult

Engineering Contradiction:
Improvesystem operation in harsh environmentsVSAvoidmaintenance of sealed components
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The modular architecture allows individual sealed modules to be independently accessed, removed, and replaced without disassembling the entire system. If one module fails or requires maintenance, only that specific module needs to be opened and serviced, minimizing disruption to the overall sealed system and maintaining reliability while facilitating ease of repair.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The modular design enables quick replacement of sealed modules that have degraded or failed in harsh environments. Rather than attempting complex repairs inside sealed housings, the entire module can be quickly swapped out and replaced with a fresh unit, maintaining system reliability while dramatically simplifying maintenance procedures.

Inventive Principle:
Principle #34Discarding and recovering

3Object-affected harmful factors

If modular components are assembled with multiple sealing interfaces, then protection against elements improves, but assembly complexity and potential leakage points increase

Engineering Contradiction:
Improveprotection against moisture and debrisVSAvoidnumber of sealing interfaces and assembly steps
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

Multiple sealing functions are merged into integrated sealing solutions. For example, gasket members are designed to simultaneously seal multiple interfaces (housing-to-housing, housing-to-PCB, component interfaces) with a single component. Encapsulant compounds are used to seal entire module assemblies in one application, reducing the number of separate sealing operations and potential leakage points while maintaining comprehensive protection.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

Standardized intermediary sealing components (gaskets, seals, encapsulants) are designed to bridge multiple interfaces. These intermediary elements are engineered to accommodate manufacturing tolerances and thermal expansion, providing reliable sealing across multiple interfaces without requiring precise alignment or increasing assembly complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 modular system ensures reliable operation in harsh environments by providing effective fire detection and suppression while allowing for easy maintenance, maintaining system integrity and performance across diverse conditions.

Implementation Method 1

A gasket member is disposed about the component in which the gasket has a gasket face to form a seal about the operative surface

Methodology Applied
Scientific EffectSealing:

Implementation Method 2

the housing has an inner surface and further includes an encapsulant compound filling a void between the housing inner surface and the printed circuit board

Methodology Applied
Scientific EffectEncapsulation:

Implementation Method 3

The component is at least one thermopile for detecting a fire

Methodology Applied
Scientific EffectThermal radiation detection: Thermopile

Data Source

PatentEP3439747B1Fire suppression system modules and methods of sealing
Publication Date: 2022.11.09 TYCO FIRE PRODUCTS LP
  • EP3439747B1 patent drawingFigure 1
  • EP3439747B1 patent drawingFigure 2A~2B
  • EP3439747B1 patent drawingFigure 3

AI summary

Fire suppression systems (10) include modules (14x) interconnected with a centralized controller(12). The modules (14x) are configured, assembled and sealed for system operation in harsh environments. Modules of the system include a printed circuit board (PCB, 32, 132), a microprocessor (34), and an operative component (36)assembled within a housing (30, 130). A gasket member (38) is disposed about the component to form a seal about the component. Operative components may include fire detection elements (14x, 50)or an LCD screen (36, 236). Modules of the system can include an encapsulant compound for filling a void between the housing inner surface and the printed circuit board. Modules of the system can include a sealed chamber with a port to interface a computer device. A power module of the system includes a sealed housing with connectors positioned to protect against moisture and debris and an isolating switch to permit maintenance of the system.