Fiber Optic Smoke Detector Layout Optimization
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Solution Overview
Problem
Traditional Aspirating Smoke Detector systems face limitations in layout design due to factors like pipe material, pressure differential, and distance, which restrict the size and efficiency of smoke detection systems in buildings, and do not account for specific room configurations and critical areas effectively.
Innovation Solution
A fiber optic high-sensitivity smoke detection system utilizing a fiber deployment algorithm that integrates building information models and variables like node orientation, lighting conditions, and smoke propagation simulations to optimize the layout of fiber optic cables and nodes for enhanced detection performance and cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional pipe networks are used for smoke detection, then the system can be implemented with conventional infrastructure, but the system size is limited by transport time and pressure differential constraints
Solution Approach 1:
The patent replaces the mechanical pipe network system with an optical fiber system. Instead of using physical pipes to transport smoke samples through pressure differentials, the invention uses optical fibers to transmit light signals to and from detection nodes, eliminating the mechanical transport constraints and enabling much larger system sizes without time delays.
Solution Approach 2:
The patent introduces optical fibers as an intermediary medium between the central control unit and the detection nodes. The optical fibers serve as the transmission medium for light signals, replacing the traditional pipe network and enabling signal transmission without the physical constraints of smoke transport through pipes.
2Adaptability or versatility
If pipe network layout is dictated by codes and design limitations, then the system meets regulatory requirements, but the layout flexibility and optimization are restricted
Solution Approach 1:
The patent replaces the complex mechanical piping system with flexible optical fiber cables. Optical fibers can be routed through building structures more easily than rigid pipes, allowing greater layout flexibility and simplification of the overall system design while still meeting code requirements.
3Reliability
If fiber optic cables are deployed without optimization algorithms, then the system can be installed quickly, but the detection performance and cost-effectiveness are compromised
Solution Approach 1:
The patent applies deployment algorithms that perform preliminary optimization of the fiber optic cable layout before actual installation. The system calculates optimal node positions, fiber routing paths, and spacing based on building geometry and smoke propagation characteristics, ensuring optimal detection performance is achieved without trial-and-error installation.
Solution Approach 2:
The patent creates a digital representation or model of the building layout and uses this virtual copy to simulate and optimize the fiber optic deployment before physical installation. The algorithm processes the digital model to determine optimal cable routes and node placements, then translates this virtual optimization into the physical deployment.
4Measurement precision
If node placement does not consider lighting conditions and smoke propagation, then the installation is simpler, but the detection sensitivity and accuracy are reduced
Solution Approach 1:
The patent incorporates multiple parameters including lighting conditions, smoke propagation characteristics, and building geometry into the deployment algorithm. By considering these additional parameters, the system optimizes node placement and fiber routing to maximize detection sensitivity while accounting for real-world environmental factors that affect smoke detection performance.
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 method enables an optimal layout for fiber optic smoke detection systems that balances cost and performance, allowing for efficient deployment and updates, while improving detection capabilities by considering specific building characteristics and critical areas.
Implementation Method 1
a fiber optic cable extending to a node in the space. The node includes a light source, a scattering chamber in communication with the ambient atmosphere, and a light detector. The light source emits a light signal along the fiber optic cable to the scattering chamber
Implementation Method 2
The light signal is emitted from the node and scattered or reflected back to the node. The scattered light signal is conveyed to a light detection device along the fiber optic network
Implementation Method 3
The scattered light signal is conveyed to a light detection device along the fiber optic network, and the scattered light signal is examined for characteristics indicative of the presence of smoke
Data Source
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AI summary
A method of optimizing the layout of a smoke detection system in a space includes obtaining requirements for the smoke detection system, accessing a digital representation of physical and functional characteristics of the space, integrating the requirements and the digital representation of physical and functional characteristics of the space in a fiber deployment algorithm, determining a layout of smoke detection system components based on the fiber deployment algorithm, and installing the smoke detection system in the space according to the determined layout.