Surge Protector Base Release Mechanism Design
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Solution Overview
Problem
Conventional surge protector release mechanisms are complex, occupy large space, and have high failure rates due to intricate connections and incomplete disconnection of wiring, which can lead to safety issues and increased costs.
Innovation Solution
A simplified release mechanism with a bridge bracket fixed to the internal box body, an elastic driving device, and a function rotating member that rotates independently of the bridge bracket, ensuring complete disconnection of the varistor and providing a remote feedback signal for improved safety and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the conventional release mechanism uses a complex connecting structure with conductive wires and solderable metal layers to couple the right electrode pin and release electrode plate, then the connection is established, but the device complexity increases and the space occupied increases
Solution Approach 1:
The patent extracts and removes the complex conductive wire and solderable metal layer connections from the release mechanism. Instead, it uses a simple pushrod that directly pushes the release electrode plate, eliminating unnecessary connecting components while maintaining reliable electrical connection through the inherent structure of the electrode plate and pin contact points.
Solution Approach 2:
The patent inverts the conventional approach by making the release electrode plate movable rather than fixed, and the right electrode pin becomes the stationary reference point. The pushrod pushes the release electrode plate to move relative to the pin, creating a simpler mechanism where the movable component (release electrode plate) directly interacts with the stationary component (electrode pin) without intermediate connections.
2Reliability
If the conventional release mechanism installs the release electrode plate into the positioning hole of the box body, then the positioning is achieved, but the wiring cannot be cut off completely when the soldering point is disconnected
Solution Approach 1:
The patent extracts the release electrode plate from the positioning hole installation method. Instead of installing it into a hole where it remains constrained, the release electrode plate is positioned to be freely movable within the box body, allowing it to be completely disconnected from wiring when pushed by the pushrod, ensuring complete wiring separation.
Solution Approach 2:
The patent makes the release electrode plate dynamic rather than static. It can move freely within the box body when pushed by the pushrod, enabling complete disconnection of wiring during the release process. The dynamic movement allows the electrode plate to separate from all electrical connections, achieving complete wiring cut-off.
3Reliability
If the conventional release mechanism uses multiple components including box body, semiconductor ceramic chip, ceramic shielding body, release electrode plate, and conductive wires, then the release function is achieved, but the quantity of components increases and manufacturing complexity increases
Solution Approach 1:
The patent merges multiple components into fewer integrated elements. The release mechanism combines the pushrod, release electrode plate, and spring into a single coordinated assembly that works together as one unit. The box body integrates the positioning hole and electrical connection points, reducing the total component count while maintaining reliable release function.
Solution Approach 2:
The patent makes components multi-functional. The pushrod serves both as the actuating mechanism and as a structural support element. The release electrode plate functions as both the electrical connection point and the movable release element. The spring provides both the restoring force and the latching mechanism, eliminating the need for separate components.
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 solution achieves complete and quick disconnection of the varistor, reduces component complexity, and enhances safety and reliability by providing a remote feedback mechanism, thus improving the overall performance and cost-effectiveness of the surge protector.
Implementation Method 1
The ceramic shielding body is pushed or pulled under the effect of the elasticity of the spring
Data Source
AI summary
A base of a surge protector, the surge protector comprising a function rotating member (3), and the function rotating member (3) having a remote linkage rod contact wall (3D) and a remote linkage notching (3H), and the base comprising a remote device, and the remote device having at least one remote linkage rod (9), and when the function rotating member (3) is situated at the first position, the remote linkage rod (9) is pressed down by the remote linkage rod contact wall (3D), and when the function rotating member (3) is rotated from the first position to the second position, the function rotating member (3) is rotated from the remote linkage rod contact wall (3D) to the remote linkage notching (3H) with respect to the point of action of the remote linkage rod (9) to release the remote linkage rod (9).