Dehumidifier Compressor Mount Structure for Vibration Isolation

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Solution Overview

Problem

Existing dehumidifier compressor fixing structures fail to effectively prevent vibrations and noise generated by the compressor from being transferred to the entire dehumidifier, leading to increased noise levels during operation.

Innovation Solution

A compressor fixing structure featuring a polygonal support unit with anti-vibration ribs, including inner and outer anti-vibration ribs, a connection rib, an intersection rib, and a circular rib, designed to absorb and redirect vibrations away from the dehumidifier's outer components, reducing noise and vibration propagation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If anti-vibration rubber is used in the base structure to reduce compressor vibrations, then some vibration isolation is achieved, but vibrations still spread to the entire dehumidifier causing loud noise

Engineering Contradiction:
Improvevibration isolationVSAvoidnoise level
Core Design Contradiction:
Object-affected harmful factorsVSObject-generated harmful factors

Solution Approach 1:

The base structure is segmented into multiple functional zones: support units for compressor mounting, anti-vibration ribs for localized damping, and sound insulation structures for noise containment. This segmentation allows each zone to address specific aspects of vibration and noise control independently, preventing vibration propagation while containing noise effectively

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention employs a nested structure where the sound insulation structure is formed within the base structure, creating multiple layers of protection. The anti-vibration ribs are integrated into the base structure, and the support units are positioned within this nested arrangement, allowing vibrations to be damped at multiple levels before reaching the outer shell

Inventive Principle:
Principle #7Nested doll (Nesting)

2Stability of the object's composition

If the compressor is firmly fixed to the base structure for stability, then mounting stability is improved, but vibrations are transferred to the base structure and spread throughout the dehumidifier

Engineering Contradiction:
Improvemounting stabilityVSAvoidvibration propagation
Core Design Contradiction:
Stability of the object's compositionVSObject-generated harmful factors

Solution Approach 1:

The support units serve as intermediary elements between the compressor and the base structure. These support units provide stable mounting for the compressor while incorporating anti-vibration properties that prevent direct transmission of vibrations to the base structure, effectively mediating between the need for stability and the need to isolate vibrations

Inventive Principle:
Principle #24Intermediary (Mediator)

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 proposed structure significantly minimizes vibration and noise transmission, resulting in a quieter operation by effectively dissipating and redirecting compressor-generated vibrations within the dehumidifier, as demonstrated by a 1.3 dB reduction in noise level compared to traditional methods.

Implementation Method 1

a support unit anti-vibration rib protruded from a perimeter of each of the plurality of support units; and an outer anti-vibration rib surrounding the entirety of the plurality of support units and protruded from a bottom surface

Methodology Applied
Scientific EffectVibration absorption: Damping

Data Source

PatentUS9638437B2Structure for fixing compressor for dehumidifier
Publication Date: 2017.05.02 COWAY CO LTD
  • US9638437B2 patent drawing
  • US9638437B2 patent drawing
  • US9638437B2 patent drawing

AI summary

There is provided a compressor fixing structure capable of preventing vibrations from a compressor from being spread to the entirety of a product in which the compressor is installed. The compressor fixing structure includes: a plurality of support units disposed to have a polygonal structure and protruded from a bottom surface; a support unit anti-vibration rib protruded from a perimeter of each of the plurality of support units; and an outer anti-vibration rib surrounding the entirety of the plurality of support units and protruded from a bottom surface. Spreading of vibrations from a compressor installed in a product is minimized, reducing vibrations and noise generated by the compressor when the compressor is driven.