Multi-Electrode Gas Arrester for Data Line Protection
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Solution Overview
Problem
Conventional gas arresters struggle to effectively protect data line systems with more than two lines against over-voltages and over-currents, as they require multiple protection elements, leading to complex and voluminous assemblies, and cannot adequately manage voltage differences between core pairs, which can result in destruction.
Innovation Solution
A compact, surface-mountable gas arrester with a common discharge electrode and multiple individual electrodes, arranged in a ceramic body with a common gas discharge region, allowing for effective protection of multiple core pairs against over-voltages and over-currents, while preventing excessive voltage differences between cores or core pairs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple separate protection elements are used to protect each core, then each core can be protected against over-voltages, but the assembly becomes complex and voluminous
Solution Approach 1:
The patent combines multiple protection functions into a single integrated gas arrester device with multiple electrodes (first electrode, second electrode, third electrode) that can protect multiple cores simultaneously. This merging approach eliminates the need for separate protection elements for each core, reducing assembly complexity while maintaining comprehensive protection effectiveness.
Solution Approach 2:
The gas arrester device is designed with multi-functionality to protect different core pairs (first core pair, second core pair) using a single device. The multiple electrodes enable the device to handle various protection scenarios including over-voltage protection between different core pairs and to ground, making one device universal for multiple protection needs.
2Reliability
If conventional two-terminal protection elements are used, then each element protects one core to ground, but more space is required for data lines with more than two cores
Solution Approach 1:
The patent merges multiple protection functions into a single compact device footprint. By integrating multiple electrodes (first electrode for first core, second electrode for second core, third electrode for ground) in one device, the space required on the circuit board is significantly reduced compared to using separate two-terminal protection elements for each core.
Solution Approach 2:
The patent transitions from a planar arrangement of separate protection elements to a three-dimensional electrode configuration within a single device. The electrodes are arranged in space with specific spacing and positioning, utilizing vertical and lateral dimensions to achieve multiple protection functions within a compact footprint.
3Reliability
If arresters with more than three electrodes are used, then more cores can be protected, but voltage differences between core pairs can still be excessively high
Solution Approach 1:
The gas arrester device acts as an intermediary protection element between core pairs. The device includes protection paths that can conduct current between different core pairs (e.g., first core to second core) and to ground, limiting voltage differences by providing controlled discharge paths. This intermediary function prevents excessively high voltage differences that could destroy the assembly.
Solution Approach 2:
The patent changes the electrical parameters by introducing multiple electrodes with specific configurations that alter the voltage distribution characteristics. By adding a third electrode and creating multiple protection paths, the device modifies the electrical parameters to limit voltage differences between core pairs while maintaining protection capability.
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 provides reliable and space-saving protection for data line systems with multiple lines by ensuring quick discharge across neighboring paths, preventing destructive voltage differences and allowing for efficient use in applications like Ethernet ports.
Implementation Method 1
The gas arrester comprises a common gas discharge region. A common gas discharge region is in particular formed between the individual electrodes and the discharge electrode.
Implementation Method 2
when one path fires (arc discharge between an individual electrode and the discharge electrode)
Data Source
AI summary
A gas arrester is disclosed. In an embodiment a gas arrester for a data line system includes a discharge electrode, a plurality of individual electrodes configured to connect data lines and a common gas discharge region formed between the individual electrodes and the discharge electrode, wherein the gas arrester is configured to reduce voltage differences between lines or line pairs of the data line system with more than 2 lines.