LPG Faucet With Manual Open and Remote Electrical Shutoff
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Solution Overview
Problem
Conventional LPG faucets allow anyone to open and close the gas passage, posing safety risks, especially when a professional needs to close it.
Innovation Solution
A liquefied petroleum gas faucet design that requires manual operation to open and uses an electric circuit to close, with a solenoid controlled by a circuit for remote closing, ensuring only professionals can remotely shut off the gas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operation is allowed for both opening and closing the gas passage, then ease of operation is improved, but safety deteriorates due to unauthorized access
Solution Approach 1:
The operation control is segmented into two distinct modes: manual operation for opening the gas passage and electrical control for closing it. This segmentation allows different access methods for different functions, ensuring ease of opening while preventing unauthorized closing through electrical control mechanisms
Solution Approach 2:
An electrical control system acts as an intermediary between the user and the closing function. The solenoid valve and electric circuit serve as intermediaries that require professional authorization (through key-operated switches or remote control systems) to activate the closing function, thereby preventing unauthorized access while maintaining operational control
2Object-affected harmful factors
If electrical control is used for closing the faucet, then safety is improved by preventing unauthorized access, but device complexity increases
Solution Approach 1:
The mechanical closing operation is replaced with an electrical control system. Instead of requiring manual manipulation of mechanical components for closing, an electric circuit with solenoid actuates the closing function, reducing the need for complex mechanical linkages while improving safety through controlled access
Solution Approach 2:
The electrical control system serves multiple functions: it controls the closing operation, provides authorization verification through key-operated switches or remote control, and can integrate with monitoring systems. This multi-functionality justifies the added complexity by consolidating safety, control, and authorization features into a single system
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
Ensures safe operation by allowing only professionals to remotely close the gas passage, preventing unauthorized access and enhancing safety in gas handling.
Implementation Method 1
a solenoid; and an electric circuit, for sliding the solenoid
Data Source
AI summary
A liquefied petroleum gas (LPG) faucet, comprising: an electro-mechanical device for sliding a pin; and an electric circui, for controlling said electro-mechanical device, wherein opening said faucet requires a manual physical operation, whereas closing said faucet is applicable only by controlling said electric circuit.