Inclined Grill Cooling Unit for Display Thermal Management
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Solution Overview
Problem
In display apparatuses, especially those installed outdoors or on narrow surfaces, the narrow spacing between components hinders cooling efficiency, leading to reduced thermal reliability and potential brightness issues due to heat accumulation.
Innovation Solution
A cooling unit with a duct system and inclined grills that creates a distinct airflow path to enhance cooling efficiency, featuring a cooling fan, heat transfer unit, and grills that direct air inflow and outflow in non-parallel directions to prevent mixing and optimize airflow, allowing for independent cooling of high-heating elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the display apparatus is installed close to the protection cover or installation surface, then the installation space is reduced and the structure is compact, but the cooling efficiency deteriorates due to insufficient air flow path
Solution Approach 1:
The inlet grill and outlet grill are designed with inclined surfaces that direct air flow in different spatial dimensions. The inlet grill inclines air flow toward the rear surface while the outlet grill inclines it in a different direction, creating a three-dimensional air circulation path that maintains effective cooling even in narrow installation spaces.
Solution Approach 2:
The cooling system is segmented into distinct inlet and outlet paths with separate grills that control air flow independently. This segmentation allows optimized air intake and exhaust directions, preventing air mixing and maintaining high cooling efficiency in compact configurations.
2Device complexity
If the air flow path is not optimized, then the device structure is simple, but thermal reliability deteriorates due to heat accumulation affecting other elements
Solution Approach 1:
The grills utilize inclined surfaces to redirect air flow in different spatial directions, creating an optimized cooling path that prevents heat accumulation without requiring complex internal cooling structures. The inclination angles guide air flow efficiently through the available space.
3Device complexity
If the inlet and outlet air paths are not separated, then the device structure is simpler, but cooling efficiency deteriorates due to air mixing reducing cooling effectiveness
Solution Approach 1:
The inlet grill and outlet grill are positioned and inclined at different angles to guide air flow in distinct spatial directions. This dimensional separation ensures that incoming cool air and outgoing warm air do not mix, maintaining cooling effectiveness without requiring complex path separation structures.
4Productivity
If the grills are designed with inclination angles, then cooling efficiency is improved by directing air flow, but manufacturing precision requirements increase
Solution Approach 1:
Specific inclination angle ranges (40°-50° for inlet, 10°-20° for outlet) are established to optimize cooling efficiency while remaining feasible for standard manufacturing processes. These parameter specifications balance performance requirements with manufacturing capabilities.
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 solution effectively improves cooling efficiency and thermal reliability, minimizes thermal influence on other components, and enables a slim structure by maintaining high performance even in tight installations, as demonstrated by reduced temperature rise and compact design.
Implementation Method 1
a cooling fan to generate air flow, a duct which is coupled with the casing and forms a cooling path to connect the cooling fan and the heat generating unit
Implementation Method 2
a heat transfer unit which is coupled with the heat generating unit and the duct and transfers the heat from the heat generating unit to the duct
Implementation Method 3
an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing, an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to a rear surface of the casing, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill
Data Source
AI summary
A cooling unit to cool the display apparatus including a heat generating unit to generate heat and a casing to accommodate the heat generating unit, the cooling unit includes a cooling fan to generate air flow; a duct which is coupled with the casing and forms a cooling path to connect the cooling fan and the heat generating unit; an inlet portion which is provided to one side of the casing to communicate with the duct; an inlet grill which is provided in the inlet portion to guide air to be inhaled in a direction inclined to a rear surface of the casing; an outlet portion which is provided to an other side of the casing to communicate with the duct, being spaced from the inlet portion; and an outlet grill which is provided in the outlet portion to guide air to be exhaled in a direction inclined to a rear surface of the casing, wherein the exhaled direction provided by the outlet grill is different from the air-inhaling direction provided by the inlet grill. With this configuration, the cooling path is effectively provided to enhance cooling efficiency and thermal reliability.