CPU-Controlled Sprinkler with Heat-Sensing Targeting
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Solution Overview
Problem
Conventional fire suppression systems often activate all sprinklers simultaneously or target entire zones, leading to unnecessary damage and inefficient use of resources, as they lack precise heat signature detection and targeted suppression.
Innovation Solution
A CPU-controlled sprinkler system equipped with a heat-sensing device, such as an infrared camera and laser tracker, that activates only specific sprinklers to directly target and dispense water or fire suppressants at the detected heat source, minimizing damage and resource usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all sprinklers are activated simultaneously or entire zones are targeted, then fire suppression coverage is ensured, but unnecessary damage to items and inefficient resource usage occur
Solution Approach 1:
The system divides the fire suppression area into individual sprinkler zones, each equipped with its own heat-sensing device. When a heat signature is detected, only the specific sprinkler in that localized area is activated rather than all sprinklers simultaneously, enabling precise targeting of the fire source while leaving other areas unaffected.
Solution Approach 2:
Each sprinkler is equipped with its own heat-sensing device (infrared camera and laser tracker) that independently detects heat signatures in its specific coverage area. This local detection capability allows the system to activate only the sprinkler whose sensing device detects a fire, rather than activating all sprinklers in a zone, thereby reducing water usage and damage to items in unaffected areas.
2Reliability
If conventional sprinkler systems activate all sprinklers or entire zones, then fire coverage is comprehensive, but damage to stored items increases
Solution Approach 1:
The system segments the fire detection and suppression function to the individual sprinkler level. Each sprinkler has its own heat-sensing device that independently monitors its specific area. When a fire is detected, only that particular sprinkler activates and targets the fire source, minimizing water application to the affected area only and protecting items in surrounding areas from water damage.
Solution Approach 2:
The heat-sensing devices (infrared cameras and laser trackers) provide localized detection capabilities for each sprinkler. The nozzle on each sprinkler is directly aimed at the detected heat source, concentrating the suppressant application precisely on the fire while avoiding surrounding items. This local targeting approach reduces harmful effects on stored items compared to zone-wide activation.
3Loss of substance
If heat-sensing devices are attached to each sprinkler for precise targeting, then resource usage is optimized, but device complexity increases
Solution Approach 1:
The system merges multiple functions into a single integrated sprinkler unit: the heat-sensing device (infrared camera and laser tracker), the CPU control unit, the water supply connection, and the nozzle are all combined in one sprinkler assembly. This integration allows each sprinkler to independently detect heat signatures, process the information through its CPU, and directly target the fire source, achieving precise resource allocation without requiring complex centralized control infrastructure.
Solution Approach 2:
Each sprinkler unit is designed as a multi-functional device that can independently perform detection (via heat-sensing device), processing (via CPU), and suppression (via nozzle). This universal design allows any sprinkler in the system to function as a complete fire detection and suppression unit, simplifying the overall system architecture while enabling precise targeting and optimizing water/suppressant usage efficiency.
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 extinguishes fires by selectively activating only necessary sprinklers and targeting the fire source, reducing damage and optimizing resource usage, including the ability to extinguish small fires like cigarettes without affecting surrounding items.
Implementation Method 1
heat-sensing device, such as an infrared camera and a laser tracker, that activates upon the detection of a heat signature
Data Source
AI summary
A fire suppression system including at least one heat-sensing device attached to a CPU-controlled sprinkler, which upon detection of a heat signature, activates the sprinkler to selectively dispense water from a fire sprinkler system pipe or a fire suppressant contained within a canister from a nozzle directly aimed at the source of the heat signature.