Energy Storage Vent Control With Self-Checking Fan and Louver Feedback
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Solution Overview
Problem
Existing fire-fighting gas intake and discharge systems in energy storage containers are open-looped, lack real-time environmental monitoring, have low robustness and versatility, and are prone to operational failures due to unmonitored fan and louver issues, leading to potential safety hazards.
Innovation Solution
A self-checking fire-fighting gas intake and discharge control system with integrated gas detection, operation detection, temperature, humidity, and communication modules, enabling closed-loop control and real-time monitoring, including louver and fan state detection, to ensure stable and reliable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the fire-fighting gas intake and discharge system is activated to discharge combustible gas, then the combustible gas concentration is reduced, but the system cannot monitor its own operational state (fan stalled, louver failed to open), leading to potential safety hazards
Solution Approach 1:
The patent introduces feedback mechanisms through operation detection modules that monitor the operational state of fans and louvers. The control board receives feedback signals from detectors (fan speed detection, louver position detection) and adjusts system operation accordingly. This closed-loop feedback enables the system to detect and respond to operational failures, resolving the contradiction between reducing gas concentration and maintaining system reliability through self-monitoring.
2Reliability
If the system operates in open-loop mode with basic control board, then the device complexity is low, but the robustness is low and the system cannot perform protective actions when faults occur
Solution Approach 1:
The patent segments the control system into distinct functional modules: gas concentration detection module, operation detection module (with fan detection and louver detection sub-modules), control board, and alarm module. This segmentation allows each module to perform its specific function independently, improving overall system robustness while keeping individual module complexity manageable. The modular structure enables targeted fault detection and isolation.
Solution Approach 2:
The control board serves as an intermediary that coordinates between the detection modules and the gas intake/discharge module. It processes information from multiple detectors, makes control decisions, and triggers alarm conditions. This intermediary structure organizes the system complexity centrally, allowing the overall system to achieve high robustness through coordinated control while maintaining clear separation of functions.
3Loss of information
If maintenance workers arrive on site to troubleshoot faults, then they can identify issues, but by the time they arrive the fire-fighting fan may have stopped and the fault may have temporarily disappeared, requiring re-check
Solution Approach 1:
The system performs preliminary detection and recording of fault conditions through operation detection modules that continuously monitor system state. When faults occur (fan stalled, louver failed to open), the system automatically detects and records these conditions before maintenance personnel arrive. This preliminary action preserves fault state information, eliminating the need for re-checking after maintenance workers arrive and reducing diagnostic time.
4Adaptability or versatility
If the system uses standard fire-fighting gas intake and discharge device, then the manufacturing cost is lower, but the versatility is low and it is specific to a single type of container
Solution Approach 1:
The patent implements universality through a standardized control board design that can interface with different container types and configurations. The control board serves multiple functions: coordinating gas detection, fan control, louver control, operation detection, and alarm triggering. This multi-functional design allows a single standardized unit to adapt to various container types, improving versatility while maintaining ease of manufacture through standardization rather than customization.
Data Source
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AI summary
A self-checking-based fire-fighting air intake and discharge control system, which is applied to measure a combustible gas in an energy storage container (40). The fire-fighting air intake and discharge control system comprises: a gas measurement module (11), which is used for measuring the concentration of a combustible gas in an energy storage container (40); an air intake and discharge module (12), which is used for controlling the circulation of the gas in the energy storage container (40); and a control module (10), which is used for controlling the operation of the gas measurement module (11) and the operation of the air intake and discharge module (12), and controlling, when the concentration of the combustible gas exceeds a preset concentration threshold value, the air intake and discharge module (12) to discharge the combustible gas. The fire-fighting air intake and discharge control system can automatically detect a fault problem of the system and feed back same in a timely manner, and can also measure multiple environmental factors; and the system regularly performs self-checking, and stores and uploads data, and an operation and maintenance person can retrieve operation data, predetermines an on-site operation situation, and maintains the system and a device.