Drawer Cabinet Cooling Channels for High-Density Switchgear Heat
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Solution Overview
Problem
Traditional heat dissipation cabinets for solid-state circuit breakers struggle to manage the increasing heat generated by high-density installations, leading to potential equipment damage and reliability issues due to overheating.
Innovation Solution
The proposed heat dissipation equipment cabinet features a cabinet with air inlets and outlets, and a series of drawer assemblies spaced to form heat dissipation channels. Each drawer assembly has its own air inlet and outlet, with at least a portion of the drawer air outlets communicating with the cabinet heat dissipation channel, allowing for independent heat dissipation of each component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If high-density installation of solid-state starters is implemented, then the number of electronic devices in switchgear increases and space utilization improves, but the heat generated by electronic devices increases significantly, leading to inadequate heat dissipation and affecting equipment performance and reliability
Solution Approach 1:
The cabinet is divided into multiple drawer assemblies, each containing heat-generating components. Each drawer assembly has its own air inlet and outlet, creating independent heat dissipation zones. This segmentation allows heat from each drawer to be managed separately, preventing heat accumulation in high-density installations.
Solution Approach 2:
The patent introduces a vertical heat dissipation channel between drawer assemblies and a horizontal cabinet heat dissipation channel along the sidewalls. By creating heat dissipation paths in multiple spatial dimensions (vertical and horizontal), the system effectively manages heat from densely packed devices without increasing the footprint.
2Volume of stationary object
If drawer assemblies are closely arranged to maximize space utilization, then cabinet space efficiency improves, but heat dissipation efficiency deteriorates due to insufficient air flow channels and temperature influence between adjacent drawers
Solution Approach 1:
The drawer heat dissipation channels are nested within the overall cabinet heat dissipation channel structure. Each drawer assembly's air outlet communicates with the cabinet heat dissipation channel, creating a hierarchical heat dissipation system that maximizes space utilization while maintaining effective heat removal.
Solution Approach 2:
The cabinet heat dissipation channel acts as an intermediary that collects heat from multiple drawer assemblies and transports it to the cabinet air outlet. This intermediary structure allows closely arranged drawers to dissipate heat independently while maintaining overall system efficiency.
3Device complexity
If traditional heat dissipation cabinet designs are used, then structural simplicity is maintained, but heat dissipation effectiveness is insufficient for high-density electronic device installations
Solution Approach 1:
The heat dissipation system is segmented into drawer-level air inlets/outlets and cabinet-level heat dissipation channels. This segmentation creates a modular structure that is more complex than traditional designs but provides superior heat dissipation effectiveness for high-density installations.
Solution Approach 2:
The patent adds vertical heat dissipation channels between drawer assemblies and horizontal channels along sidewalls, creating a three-dimensional heat dissipation network. This multi-dimensional approach significantly improves heat dissipation effectiveness compared to traditional single-plane designs.
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 design effectively manages heat dissipation in high-density environments, preventing temperature influences between drawer assemblies and maintaining equipment performance and reliability by ensuring that heat-generating components operate within a safe temperature range.
Implementation Method 1
a plurality of drawer assemblies and at least one sidewall are spaced apart by a predetermined distance to form a cabinet heat dissipation channel
Implementation Method 2
drawer heat dissipation channels communicating with the cabinet heat dissipation channel being formed between every two adjacent drawer assemblies
Implementation Method 3
each of the plurality of drawer assemblies has a drawer air inlet and a drawer air outlet, and at least a portion of the plurality of drawer air outlets communicates with the cabinet heat dissipation channel
Data Source
AI summary
Embodiments of the present disclosure provides a heat dissipation equipment cabinet. The heat dissipation equipment cabinet comprises: a cabinet comprising a front wall, a rear wall and a pair of sidewalls perpendicular to the front wall, at least one of the front and rear walls comprising at least one cabinet air inlet arranged at bottom and at least one cabinet air outlet arranged at top; and a plurality of drawer assemblies spaced apart from at least one of the pair of sidewalls to form a cabinet heat dissipation channel, a drawer heat dissipation channel communicating with the cabinet heat dissipation channel being formed between every two adjacent drawer assemblies of the plurality of drawer assemblies, and wherein each of the plurality of drawer assemblies has a drawer air inlet and a drawer air outlet. This can improve the heat dissipation effect of the equipment cabinet.