Energy Storage System Fire Control Using Multi-Detector Confirmation
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Solution Overview
Problem
Current energy storage systems (ESS) face challenges in accurately detecting and extinguishing fires due to the reliance on single-type smoke detectors, leading to potential false activations and damage to internal components.
Innovation Solution
The implementation of a multi-layered fire control system within the ESS, incorporating smoke detectors, heat detectors, flame detectors, and duct smoke detectors, along with a control panel that operates the fire extinguisher only when multiple detectors confirm a fire, and issuing alarms for less certain conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If only a smoke detector is used to detect fire, then the fire control system is simple, but false detection occurs due to smoke from temperature differences, water vapor, or external sand dust
Solution Approach 1:
The patent combines multiple types of detectors (smoke detector, heat detector, flame detector, and duct smoke detector) into a unified fire control system. The control panel integrates signals from all detectors and requires confirmation from multiple detector types before triggering the fire extinguisher, thereby reducing false detections while maintaining system manageability.
Solution Approach 2:
The control panel implements a feedback mechanism where it receives signals from various detectors, processes the information, and determines whether to activate the fire extinguisher based on predefined criteria (e.g., requiring confirmation from multiple detector types). This feedback loop ensures accurate fire detection while preventing false activations.
2Reliability
If multiple types of detectors are used to improve fire detection accuracy, then false detection is reduced, but the device complexity increases
Solution Approach 1:
The fire control system is segmented into distinct functional components: smoke detectors, heat detectors, flame detectors, duct smoke detectors, and a control panel. Each detector type is independently positioned and functions specifically, while the control panel coordinates their signals. This segmentation allows for improved detection accuracy without overwhelming complexity.
Solution Approach 2:
The control panel serves multiple functions: it receives signals from various detector types, processes the information according to predefined logic, controls the fire extinguisher activation, and can issue alarms for less certain conditions. This multi-functionality consolidates control operations into a single unit, managing system complexity.
3Productivity
If cooling units are separated from battery racks, then cooling efficiency and energy density are maximized, but the system configuration becomes more complex
Solution Approach 1:
The cooling units are extracted from the battery rack structure and positioned separately in the container. This separation allows the cooling units to be optimized for cooling efficiency without being constrained by battery rack geometry, while the battery racks can be densely packed to maximize energy density. The HVAC system connects these separated components through ductwork.
Solution Approach 2:
The HVAC system acts as an intermediary between the separated cooling units and battery racks. It distributes cooled air through ducts to the battery racks, enabling efficient heat removal without requiring physical integration between cooling units and batteries. This mediator approach simplifies the overall system configuration despite component separation.
Data Source
AI summary
Provided are an energy storage system (ESS) capable of increasing precision of a fire control system to accurately determine and extinguish a fire, and a fire control method of the ESS. The ESS according to the present disclosure includes a container, a heating, ventilation and air conditioning (HVAC) system, and a fire control system, wherein the fire control system includes a fire extinguisher and a control panel, a smoke detector, a heat detector, and a flame detector mounted in the container, and a duct smoke detector mounted in a duct of the HVAC system, and wherein the control panel has a mode for operating the fire extinguisher when all of the smoke detector, the heat detector, and the flame detector detect a fire, a mode for operating the fire extinguisher when the duct smoke detector detects a fire, and a mode for operating the fire extinguisher when a manipulation button is operated.