Abstract:

This article delves into the crucial aspects of the internal structure of fuse holders, including connector design, the selection of conductor materials, contact pressure and elasticity design, application of insulating materials, and positioning and fixing design. Through a detailed analysis of each point, supported by practical examples, it showcases the professional expertise and substantive content in the design of the internal structure of fuse holders.

Body:

1. Connector Design:

The connector is a core component of the internal structure of a fuse holder, crucial for effective current conduction and circuit interruption. Detailed expansion includes:

Optimized Terminal Design: Employing an optimized terminal design for smoother insertion and removal, reducing contact resistance, and improving connection efficiency.

Multi-Layer Plug Structure: Introducing a multi-layer plug structure to increase the contact area between the plug and socket, reducing contact resistance and enhancing current-carrying capacity.

Example: Implementing a tapered plug design to facilitate easy insertion, reducing wear and extending the connector's lifespan.

2. Selection of Conductor Materials:

The choice of conductor material directly impacts the performance of the fuse holder, detailed expansion includes:

Advantages of Copper Alloys: Analyzing the superior conductivity and corrosion resistance of copper alloys to ensure stable current conduction.

Optimization of Conductor Cross-Section: Selecting an appropriate conductor cross-section based on current loads to reduce resistance and enhance conduction efficiency.

Example: Introducing silver-plating technology to enhance the surface conductivity of conductors, reducing energy loss.

3. Contact Pressure and Elasticity Design:

Ensuring the connector's contact pressure and elasticity is a critical design consideration, detailed expansion includes:

Material Selection and Process: Choosing materials with excellent elasticity, such as spring steel, and employing precise processes to maintain connector elasticity during insertion and removal.

Design of Contact Area: Increasing the contact area to reduce contact resistance and enhance connection reliability.

Example: Adopting a dual-spring design to ensure stable contact pressure over prolonged use, minimizing connection failures due to temperature variations.

4. Application of Insulating Materials:

The selection and application of insulating materials are crucial for preventing electrical short circuits and improving safety, detailed expansion includes:

Environmental Adaptability: Choosing insulating materials suitable for high-temperature and corrosive environments to ensure reliability under different conditions.

Consideration of Flame Retardancy: Using materials with excellent flame-retardant properties to enhance product safety in exceptional circumstances.

Example: Using plastics with a UL94V-0 flame-retardant rating as insulating materials to improve product safety in the event of a fire.

5. Positioning and Fixing Design:

Positioning and fixing design within the internal structure ensure that the fuse remains in the correct position during operation, preventing movement due to vibration or other stresses. Detailed expansion includes:

Precision Positioning Structure: Introducing a precisely fitting positioning structure to ensure the stable positioning of the fuse within the socket.

Anti-Vibration Design: Considering potential vibrations during product use and employing dedicated anti-vibration design measures.

Example: Introducing a rotating locking mechanism to ensure the firm positioning of the fuse in high-vibration environments.

Conclusion:

In the design of the internal structure of fuse holders, a deep consideration of key factors such as connectors, conductor materials, contact pressure and elasticity, insulating materials, and positioning and fixing has resulted in comprehensive performance improvements. These design innovations and lessons learned provide robust support for the practical application of fuse holders, enabling outstanding performance in various working conditions and laying a solid foundation for the safety and reliability of electronic devices.