Portable Gas Pressure Regulator With Leak-Blocking Switch
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Solution Overview
Problem
Existing camping gas tanks face issues with gas leakage and pressure regulation, leading to potential ignition when the needle valve malfunctions.
Innovation Solution
A pressure-regulating device connected to the gas tank, comprising a valve body with an inlet, decompression chamber, and outlet portion, along with a switching assembly, which regulates gas pressure and controls output, preventing excessive leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a needle valve is used to regulate gas output, then gas flow control is achieved, but pressure regulation reliability deteriorates when the valve malfunctions
Solution Approach 1:
The device segments the pressure regulation function into two independent components: a needle valve for flow control and a pressure stabilizer for pressure regulation. This segmentation ensures that malfunction of one component does not compromise the other, resolving the reliability issue while maintaining ease of operation for gas flow control.
Solution Approach 2:
The pressure stabilizer acts as an intermediary component between the needle valve and the gas outlet. It receives high-pressure gas from the needle valve and stabilizes the pressure before delivery, providing an additional layer of protection against pressure fluctuations and valve malfunction.
2Use of energy by moving object
If high-pressure gas is stored in the tank, then energy density is improved, but safety deteriorates due to potential gas leakage and ignition
Solution Approach 1:
The pressure stabilizer provides beforehand cushioning by maintaining stable pressure throughout the gas delivery process. This prevents sudden pressure spikes that could cause leakage or ignition, while allowing the tank to store high-pressure gas for improved energy density.
Solution Approach 2:
The device converts the potentially harmful high-pressure gas storage into a benefit by using the pressure stabilizer to harness the high pressure for efficient gas delivery while preventing the harmful effects of uncontrolled pressure release through its stabilization mechanism.
3Stability of the object's composition
If a pressure stabilizer is added to regulate pressure, then pressure stability is improved, but device complexity increases
Solution Approach 1:
The pressure stabilizer is designed with a self-service mechanism where the stable pressure generated automatically pushes the plug member to close the side opening, eliminating the need for additional control systems or complex mechanisms to maintain pressure stability.
Solution Approach 2:
The device uses pneumatic principles where the stable pressure of the gas itself is utilized to operate the switching mechanism. The pressure differential automatically actuates the plug member to open or close the side opening, providing pressure stability without complex mechanical or electronic control systems.
4Ease of operation
If a switching assembly is added to control gas output, then operational control is improved, but device complexity increases
Solution Approach 1:
The switching assembly operates on self-service principles where the stable pressure automatically actuates the plug member to close the side opening when not in use, and manual intervention only requires simple pressing to open it. This provides excellent operational control without requiring complex control mechanisms.
Solution Approach 2:
The device utilizes parameter changes in pressure to control the switching mechanism. The stable pressure parameter automatically controls the plug member position, while manual pressing temporarily changes the pressure parameter to open the side opening, providing simple operational control without complex mechanisms.
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 device stabilizes gas output pressure, reducing the risk of leakage and allowing controlled gas flow, enhancing safety and usability in outdoor cooking applications.
Implementation Method 1
The pressure regulating assembly is disposed in the decompression chamber and is adapted to regulate a pressure of a gas outputted by the portable gas tank to form an output gas with a predetermined pressure
Implementation Method 2
The switching assembly is disposed in the outlet portion, and is located between the decompression chamber and the outlet port, and is manipulable to block or open the output gas
Data Source
AI summary
A pressure regulating device includes a pressure stabilizer including a valve body, a pressure regulating assembly, and a switching assembly. The valve body has an inlet portion, a decompression chamber communicating with the inlet portion, and an outlet portion. The inlet portion has an inlet port for connecting to an outlet opening of a portable gas tank. The outlet portion communicates with the decompression chamber and has an outlet port. The pressure regulating assembly is disposed in the decompression chamber. The pressure regulating assembly regulates the pressure of gas outputted by the portable gas tank to form an output gas with a predetermined pressure. The switching assembly is disposed on the outlet portion and is located between the decompression chamber and the outlet port and is manipulatable to block or open the output gas, thereby regulating the pressure of the output gas outputted by the portable gas tank.