Safety Flow Guide Protection Device for High Pressure Air
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Solution Overview
Problem
Current safety devices for high pressure gas containers are inadequate in detecting and preventing gas drainage during emergencies such as accidents or high temperature conditions, leading to potential explosions or injuries.
Innovation Solution
A safety flow guide protection device with a flow guide device coated with protective layers and a brake air valve system that isolates high pressure air flow in response to external forces or high temperatures, featuring a meltable protection unit and magnetic attracting units to manage air flow and impurities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a safety plug is installed on the releasing switch to prevent gas drainage, then the safety protection is improved, but it can only provide advance effect and cannot detect or respond to emergencies such as faults, fires, or earthquakes
Solution Approach 1:
The patent uses a brake air valve that changes its sealing state based on pressure parameter changes. Under normal conditions, the valve remains sealed; when emergency occurs causing pressure drop or flow abnormalities, the valve automatically opens to stop gas drainage, providing active emergency response rather than just advance prevention
Solution Approach 2:
The patent implements a feedback mechanism where the brake air valve continuously monitors the gas flow and pressure conditions in the container. When abnormal conditions are detected (such as unauthorized drainage or emergency situations), the system automatically responds by closing the valve to stop gas flow, creating a closed-loop safety system that adapts to real-time conditions
2Measurement precision
If drain proof devices are installed on the gas tube to detect gas drainage, then some safety detection is provided, but the drainage detection is delayed and cannot detect other emergencies such as electric short circuit or fire
Solution Approach 1:
The patent designs the brake air valve as a multi-functional safety device that can respond to multiple types of emergencies including gas drainage, fire, electric short circuit, and earthquakes. The valve integrates pressure sensing, flow control, and automatic closure functions into a single component that provides comprehensive emergency protection beyond just drainage detection
Solution Approach 2:
The patent extracts the safety function from passive indicators and separate detection devices, consolidating it into an active brake air valve integrated directly into the gas release system. This centralized safety mechanism can detect and respond to various emergencies at their source, providing immediate response without relying on delayed drainage detection or separate indicator systems
3Reliability
If the flow guide device is designed to isolate high pressure air during emergencies, then safety protection is improved, but the device complexity increases with additional components
Solution Approach 1:
The patent merges the flow guide function and the safety isolation function into a single integrated device. The brake air valve is incorporated directly into the flow guide device structure, allowing the same component to both guide gas flow during normal operation and automatically isolate high pressure air during emergencies, thereby providing enhanced safety without proportionally increasing device complexity
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
Effectively prevents high pressure air drainage and potential explosions by isolating the air flow during emergencies, ensuring safety through controlled air release and impurity management, and providing visible indicators for easy identification.
Implementation Method 1
the brake air valve is compressed by high pressure air so that the air grid unit will isolate the high pressure air
Implementation Method 2
the protection unit will break gradually due to high temperature so that the flow guide device returns to the un-communication state
Data Source
AI summary
A safety flow guide protection device comprises a body having a flow guide device through which high pressure air flows; the flow guide device coated with a protecting layer; a safety releasing section formed at a surface of the flow guide device, the flow guide device being a hollow structure; a rear side of the flow guide device being formed as a combining opening; an air grid unit being received in the flow guide device at a side opposite to the combining opening; the air grid unit having a brake air valve for controlling high pressure air. When the flow guide device is communicated, the brake air valve is not compressed by the high pressure air so that the air grid unit is opened for allowing the flowing of the high pressure air; and vice versa.