Safety valve and gas cylinder having same
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Portable gas cylinders, such as butane gas cylinders used in portable stoves, are prone to explosion due to increased pressure from high temperatures, especially when used improperly, leading to safety accidents.
Innovation Solution
A safety valve with a blocking part that regulates gas flow based on temperature and pressure, featuring a melting point material to block the flow path and prevent gas discharge, combined with a gas releasing mechanism that bursts to release overpressure, thereby preventing explosions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a butane gas cylinder is used in a portable gas stove, then gas can be extruded to the outside for cooking, but when high temperature or pressure is acted on the cylinder, the pressure inside increases and may cause deformation, damage, or explosion
Solution Approach 1:
The safety valve is pre-installed in the gas cylinder cap with the blocking pin member positioned to block the flow path. The according blocking part is pre-formed with a clearance that allows normal gas flow but will melt at a predetermined temperature to close the flow path, preventing explosion before it occurs
Solution Approach 2:
The blocking pin member acts as an intermediary component between the gas storage system and the external environment. It includes an according blocking part that mediates the gas flow by melting at a specific temperature to block the flow path, thereby protecting the system from overpressure and high temperature conditions
2Reliability
If the according blocking part is designed to block the flow path when temperature reaches a set level, then fire can be extinguished and explosion prevented, but the device complexity increases with multiple components
Solution Approach 1:
The safety valve integrates multiple functions into a single compact structure. The blocking pin member combines the flow blocking function with the temperature-responsive according blocking part. The separation preventing cap merges the function of preventing component separation with providing structural support, reducing the overall number of separate components
Solution Approach 2:
The blocking pin member serves multiple functions: it blocks the gas flow path when the according blocking part melts, prevents separation of components through the separation preventing cap, and maintains structural integrity under pressure. This multi-functionality reduces device complexity while achieving reliable safety protection
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 safety valve effectively extinguishes the gas stove fire by blocking gas flow and prevents cylinder explosions by releasing overpressure gas, ensuring user safety even during improper use or secondary temperature rises from radiant heat.
Implementation Method 1
The according blocking part may form a clearance which is formed in the blocking pin member and through which a gas flow is possible and may be molten when the temperature inside the main body reaches a set temperature
Data Source
AI summary
Disclosed herein is an invention related to a safety valve and gas cylinder having the same. The disclosed safety valve includes a valve part configured to discharge gas filled in a main body, and a blocking part disposed in the valve part and configured to block a gas flow path in accordance with a temperature and pressure inside the main body.