Wall Socket Overload Cutoff With Thermal Reset Structure
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Solution Overview
Problem
Traditional sockets lack an effective overload protection mechanism, leading to potential fire hazards and collective power loss during overloading conditions.
Innovation Solution
An overload protection wall socket with a conductive strip and wire connecting device, featuring an overload protection device that automatically disconnects the circuit when overloaded, and a reset mechanism to restore normal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional sockets only have simple on and off functions with main gate disconnection, then the structure is simple and easy to manufacture, but overload protection is insufficient leading to fire hazards and collective power loss
Solution Approach 1:
The socket is divided into multiple independent circuit paths with separate protective mechanisms. Each circuit branch has its own overload protection capability, allowing selective disconnection rather than complete power loss. The socket structure segments the main gate into multiple controllable sections that can be independently monitored and protected.
Solution Approach 2:
An overload protection device acts as an intermediary component between the power supply and the load. This device includes a deformation piece that mediates the connection state based on temperature conditions, automatically disconnecting the circuit when overload occurs without requiring complex external control systems.
2Object-affected harmful factors
If main gate disconnection is used for protection, then fire safety is improved, but collective power loss occurs causing greater economic losses
Solution Approach 1:
The protection mechanism segments the power distribution into independent controllable sections. When overload is detected in one branch, only that specific section is disconnected while other sections remain operational. This selective disconnection maintains fire safety by isolating the hazardous area while preventing unnecessary power loss in other circuits.
Solution Approach 2:
The overload protection applies local quality control by providing differentiated protection levels for different circuit branches. Each branch can be independently monitored and disconnected based on its specific load conditions, ensuring that protection actions are localized to where they are needed rather than affecting the entire socket system.
3Object-affected harmful factors
If overload protection device is added to automatically disconnect circuit, then fire safety is ensured, but device complexity increases
Solution Approach 1:
The overload protection device is self-service in nature, automatically detecting overload conditions and disconnecting the circuit without external intervention. The deformation piece responds directly to temperature changes caused by overload, automatically opening the circuit when the threshold is exceeded and allowing manual reset after cooling, eliminating the need for complex control systems or external monitoring devices.
Solution Approach 2:
The overload protection mechanism utilizes parameter changes in the deformation piece based on temperature. When overload occurs, the temperature increase causes the deformation piece to change its physical state and disconnect the circuit. This passive response to parameter change simplifies the overall device structure compared to active electronic monitoring and control systems.
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
Provides effective overload protection, preventing fires and ensuring safety while maintaining a simple structure and easy installation.
Implementation Method 1
When the socket is overloaded, the deformation piece is deformed due to thermal expansion, so as to automatically disconnect the circuit
Data Source
AI summary
An overload protection wall socket is provided, which includes a socket body, a plug interface is arranged on the socket body, the plug interface includes a plurality of first jacks located on a surface of the socket body, and conductive strips matching the first jacks are arranged inside the socket body, the conductive strip is provided with a first pin seat arranged at an opening of the first jack, the socket body is provided with a wire connecting device matching the conductive strip, the wire connecting device and the conductive strip are connected through an overload protection device. The structure of the socket is simple, the processing and installation are convenient, the space is saved; the occurrence of fire is effectively prevented, the fire safety is ensured; the safety is high; the structural stability is good; socket can be easily mounted on the wall.