Fuse Pump Voltage Control for Fast Blowing

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Solution Overview

Problem

Existing fuse pumps require a relatively low voltage as supply, leading to longer times to blow fuses, which may not achieve the desired blowing state within the given time, potentially causing electronic devices to malfunction or be damaged when attempting to reduce the time by increasing voltage.

Innovation Solution

A system where a voltage source provides a higher first voltage only when the fuse pump is enabled to blow a fuse, ensuring a shorter consumed time to achieve the desired blowing state, while disabling the electronic device to prevent damage during the fuse-blowing operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a relatively low voltage is provided to the fuse pump, then the fuse pump operates safely without damaging the electronic device, but a longer time is required to blow the fuse

Engineering Contradiction:
Improvesafety of electronic deviceVSAvoidtime to blow fuse
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The voltage source dynamically switches between low voltage mode (for safe operation) and high voltage mode (for fast fuse blowing) based on the operational state. The control circuit enables high voltage supply only when the fuse pump is activated to blow a fuse, and switches back to low voltage for normal operation, thus resolving the contradiction between safety and speed

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the voltage parameter from a fixed low voltage to a variable voltage that can be temporarily increased to a high level during fuse-blowing operations. This parameter change allows the fuse pump to deliver high current for a short duration to blow the fuse quickly, while maintaining safe operating conditions during normal device operation

Inventive Principle:
Principle #35Parameter changes

2Loss of time

If a higher voltage is provided to the fuse pump, then a shorter time is required to blow the fuse, but the electronic device may be damaged or malfunction

Engineering Contradiction:
Improvetime to blow fuseVSAvoiddamage to electronic device
Core Design Contradiction:
Loss of timeVSObject-affected harmful factors

Solution Approach 1:

The control circuit performs preliminary action by activating the fuse pump and switching to high voltage mode before the actual fuse-blowing operation begins. This ensures that the high voltage is supplied only when needed and for the minimal required duration, preventing damage to the electronic device while achieving fast fuse blowing

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The voltage source acts as an intermediary between the power supply and the fuse pump, mediating the voltage level based on operational requirements. It provides high voltage only during controlled fuse-blowing operations and low voltage during normal operation, thus protecting the electronic device from damage while enabling fast fuse blowing when necessary

Inventive Principle:
Principle #24Intermediary (Mediator)

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

This approach allows the fuse to reach the desired blowing state within a shorter time, preventing electronic device malfunctions and damage by providing a high voltage only during fuse-blowing operations, ensuring efficient and safe operation.

Implementation Method 1

a first voltage is provided by a voltage source only if a fuse pump is enabled to blow a fuse; and blowing the fuse by the fuse pump when the first voltage serves as a supply voltage of the fuse pump

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Data Source

PatentUS10074499B2System and method for blowing a fuse
Publication Date: 2018.09.11 NAN YA TECH
  • US10074499B2 patent drawing
  • US10074499B2 patent drawing
  • US10074499B2 patent drawing

AI summary

A system includes a fuse pump; a fuse that can be blown by the fuse pump; and a voltage source configured to provide a first voltage only if the fuse pump is enabled to blow the fuse, the fuse pump blowing the fuse when the first voltage serves as a supply voltage of the fuse pump. If the first voltage serves as a supply voltage of the fuse pump, a first consumed time is required to blow the fuse. If a second voltage, provided by the voltage source, were to be served as a supply voltage of the fuse pump, a second consumed time is required to blow the fuse. The first consumed time is less than the second consumed time.