Switchgear Carrier Venting for Contaminated Switching Gases
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Solution Overview
Problem
Existing electrical switchgear systems face contamination issues due to switching gases containing contaminants like metal beads and soot particles, leading to system downtime for cleaning and maintenance after short circuits.
Innovation Solution
A device carrier with outlets for switching gases on its sides and underside, featuring modular or flexible ducts that guide contaminants out of the system, preventing contamination and reducing the need for cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If switching gases are vented directly into the control cabinet, then the exhaust system is simple, but contaminants spread throughout the system causing cleaning requirements and system downtime
Solution Approach 1:
The invention extracts the harmful switching gases and contaminants from the control cabinet environment by routing them through dedicated exhaust channels to the external environment. The exhaust channels are integrated into the device carrier structure, providing a direct extraction path that prevents contaminant distribution within the control cabinet, thereby eliminating cleaning requirements and system downtime.
2Object-affected harmful factors
If exhaust channels are integrated into the device carrier, then contaminants are contained and directed properly, but the device carrier structure becomes more complex
Solution Approach 1:
The invention merges the exhaust channel function directly into the device carrier structure, combining the mounting function and the gas extraction function into a single integrated component. The device carrier includes side walls that form exhaust channels, and the electrical switch is mounted within the device carrier such that switching gases are directed into these channels and expelled through outlets in the side walls, eliminating the need for separate exhaust infrastructure.
3Adaptability or versatility
If multiple electrical switches are mounted in the switch cabinet, then system functionality is improved, but the risk of contaminant spread increases
Solution Approach 1:
The invention segments the control cabinet into multiple device carriers, each with its own integrated exhaust channels. Each device carrier acts as an independent containment unit that extracts and expels switching gases locally, preventing contaminants from spreading to other electrical switches or control cabinet components. This segmentation allows multiple switches to be mounted while maintaining individual contaminant containment for each unit.
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
Effectively directs contaminants away from control cabinets and distribution boards, minimizing system downtime and maintenance by ensuring controlled discharge of switching gases.
Implementation Method 1
the switching gases of an electrical switch mounted in the device carrier are guided from the outgoing side and/or the incoming side to the side/underside of the device carrier and from there can leave the device carrier through an outlet system of the switch cabinet
Data Source
Figure 1A
Figure 1B
Figure 2A~2B
AI summary
The invention relates to an equipment carrier (100) for at least one electrical switch (1000), wherein the at least one electrical switch (1000) has outlets for switching gases on the output side (1010) and/or on the input side (1020) thereof, wherein the equipment carrier (100) can be mounted in a switch cabinet, and wherein the switching gases of an electrical switch (1000) mounted in the equipment carrier (100) are guided from the output side (1010) and/or the input side (1020) to the respective side/underside of the equipment carrier (100), and can leave the equipment carrier (100) and the switch cabinet from there via an outlet system (700).