Guide blade and air conditioner having the same
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Solution Overview
Problem
Air conditioners face challenges in efficiently guiding air flows of various speeds and directions through discharge ports, leading to noise and reduced airflow efficiency.
Innovation Solution
The use of guide blades with eddy induction grooves and polypyramid protrusions on the discharge port, which generate eddy currents to enhance airflow directionality and speed, while maintaining structural integrity and reducing noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If guide blades are added to the discharge port to improve airflow guidance, then airflow directionality and speed are improved, but device complexity increases
Solution Approach 1:
The guide blade surface is segmented into multiple functional zones: eddy induction grooves for generating rotational flow, polypyramid protrusions for flow control, and streamlined surfaces for smooth airflow. This segmentation allows each zone to perform its specific function optimally while contributing to overall airflow improvement.
Solution Approach 2:
The guide blade structure extends into the third dimension with eddy induction grooves carved into the surface and polypyramid protrusions rising from the blade surface. These three-dimensional features create complex flow patterns that cannot be achieved with simple two-dimensional blade shapes, enhancing airflow control capabilities.
2Ease of operation
If eddy induction grooves are formed on the guide blade to generate eddy currents, then airflow directionality is improved, but manufacturing precision requirements increase
Solution Approach 1:
The eddy induction grooves are designed with specific parameters optimized for eddy current generation: groove depth between 0.5-2mm, width 2-5mm, and spacing 5-10mm. These parameter ranges balance manufacturing feasibility with effective eddy current generation, allowing standard manufacturing processes to achieve the required precision.
Solution Approach 2:
Rather than requiring extremely precise groove dimensions, the design uses moderately deep grooves (0.5-2mm) that generate sufficient eddy currents for effective airflow control. This partial action approach achieves adequate performance without demanding ultra-precise manufacturing.
3Productivity
If polypyramid protrusions are added to the guide blade surface, then noise is reduced and airflow speed increased, but guide blade strength may be compromised
Solution Approach 1:
Polypyramid protrusions are strategically positioned only in specific regions of the guide blade where flow control is most beneficial, rather than covering the entire surface. This localized application maintains structural integrity in critical load-bearing areas while providing airflow enhancement where needed.
Solution Approach 2:
The polypyramid protrusions feature curved surfaces and rounded edges rather than sharp angles, creating streamlined flow patterns that reduce turbulence and noise. The curved geometry also distributes mechanical stresses more evenly, preserving guide blade strength while maintaining airflow benefits.
4Adaptability or versatility
If multiple guide blades are disposed around the discharge port to handle various wind directions, then adaptability to different airflow directions is improved, but device complexity increases
Solution Approach 1:
Each guide blade is designed as a multi-functional component that handles multiple airflow directions simultaneously through its three-dimensional surface features. The eddy induction grooves and polypyramid protrusions create adaptive flow patterns that work effectively for various incident angles, allowing fewer blades to perform the work of more simple blades.
Solution Approach 2:
The guide blade surface features create dynamic flow adaptation: eddy induction grooves generate rotational flows that adjust to incoming airflow direction, and polypyramid protrusions create turbulence that redistributes flow dynamically. This dynamic behavior allows the fixed blade structure to adapt to varying wind directions without requiring additional movable components.
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 effectively manages airflow by generating eddy currents of various directions, reducing noise and increasing airflow speed, even with varying wind speeds and directions, without compromising the guide blade's strength.
Implementation Method 1
Each of the plurality of guide blades includes an eddy induction groove that is concavely formed to generate eddy currents
Data Source
AI summary
Disclosed is a plurality of guide blades configured to guide air discharged through a discharge port, and an air conditioner having the same. The guide blade includes an eddy induction groove that is concaved from at least one surface of the guide blade, and a plurality of protrusions each protruding from an inner surface of the eddy induction groove in the form of a polypyramid, to generate eddy currents of various directions, so that the guide blade may cope with air flow of various flow speeds and wind directions.