Cabinet Air Duct Layout to Prevent Cooling Air Short-Circuiting
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Solution Overview
Problem
Conventional cabinet air ducts suffer from reduced heat dissipation due to the air inlet and outlet being located on the same side wall, leading to short-circuiting of air flow and interference between discharged hot and incoming cold air.
Innovation Solution
The air inlet and outlet are positioned on opposite side surfaces of the cabinet, with a horizontally arranged air duct and symmetric distribution, and the cabinet is divided into sealed cavities by a heat conducting plate, incorporating fans upstream and downstream of heating devices for enhanced airflow management, and sealed guiding structures to prevent air leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the air inlet and air outlet are located on the same side wall of the cabinet, then the structure is simple and easy to manufacture, but the air duct is likely to be short-circuited, reducing the heat dissipation effect
Solution Approach 1:
The patent transitions from a single-side wall arrangement (2D planar configuration) to an opposite side surface arrangement (3D spatial configuration). By positioning the air inlet on one side surface and the air outlet on the opposite side surface, the air duct utilizes the third dimension (depth of the cabinet) to create a longer, non-short-circuiting airflow path, thereby improving heat dissipation while maintaining manufacturing simplicity.
2Loss of energy
If the air inlet and air outlet are arranged on opposite side surfaces of the cabinet, then the heat dissipation effect is improved by reducing air short-circuiting, but the device complexity increases
Solution Approach 1:
The patent segments the cabinet internal space into distinct regions using a heat conducting plate that divides the cabinet into a first cavity and a second cavity. This segmentation allows independent airflow management in each cavity, with the air duct systematically routing air through both cavities. The segmentation simplifies the overall design by creating modular, manageable sections rather than a complex monolithic structure.
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 configuration minimizes air interference, enhances heat dissipation efficiency, and improves airflow management by reducing short-circuiting and ensuring effective heat exchange.
Implementation Method 1
A fan is provided inside the air duct of the cabinet to realize flowing of the air
Implementation Method 2
the cabinet is divided into sealed cavities by a heat conducting plate
Data Source
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AI summary
A cabinet air duct, a cabinet assembly and a photovoltaic inverter are provided according to the present application, where the cabinet air duct includes a cabinet and an air duct arranged in the cabinet. The cabinet is provided with an air inlet and an air outlet that are in communication with the air duct. The air inlet is arranged on a first side surface of the cabinet, the air outlet is arranged on a second side surface of the cabinet, and the first side surface and the second side surface are two opposite side surfaces of the cabinet.