Silent structure and mobile air conditioner
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Solution Overview
Problem
Existing mobile air conditioners suffer from inadequate noise reduction due to the direct arrangement of the compressor without noise reduction and sound insulation structures, with silencer cotton providing insufficient low-frequency noise reduction.
Innovation Solution
A silent structure comprising a connecting cylinder, soundproof chamber, and sealing cover that wraps around the compressor, forming an accommodation and soundproof space to isolate noise, using a silicone material with stretch-resistant properties for enhanced sound insulation and airtightness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If silencer cotton is used to wrap the compressor, then the structure is simple, but the noise reduction effect is not ideal especially for low-frequency noise
Solution Approach 1:
The patent uses composite soundproofing materials including soundproof cotton, foam board, and soundproofing wool in multiple layers. This composite structure combines different material properties to effectively reduce both high-frequency and low-frequency noise from the compressor, resolving the contradiction between structural simplicity and noise reduction effectiveness.
Solution Approach 2:
The patent employs a flexible soundproofing shell that completely encloses the compressor, creating a sealed soundproof cavity. This flexible enclosure structure adapts to the compressor shape while providing comprehensive sound isolation, improving noise reduction without significantly complicating the manufacturing process.
2Device complexity
If the compressor is arranged directly on the chassis without noise reduction structures, then the device complexity is low, but the noise generated is great
Solution Approach 1:
The patent extracts the noise-generating compressor from the general chassis area and isolates it within a dedicated soundproofing shell and cavity structure. This separation allows the rest of the device to remain simple while concentrating soundproofing measures where needed, balancing overall device complexity with noise reduction.
Solution Approach 2:
The patent introduces a soundproofing shell and soundproofing materials as intermediary elements between the compressor and the external environment. These intermediaries absorb and block noise transmission, reducing the harmful noise effect without requiring fundamental changes to the compressor or chassis design.
3Object-generated harmful factors
If a soundproof chamber is used to isolate the compressor, then the noise reduction effect is improved, but the device complexity increases
Solution Approach 1:
The soundproofing shell serves multiple functions: it provides structural support, creates the soundproofing cavity, provides mounting points for the compressor, and offers thermal insulation. This multi-functionality reduces the need for separate components, thereby limiting the increase in device complexity while achieving effective noise isolation.
Solution Approach 2:
The patent merges the soundproofing structure with the compressor mounting structure and housing elements. By combining these functions into an integrated assembly, the overall device complexity is minimized while still achieving comprehensive noise isolation for the compressor.
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 structure effectively seals and isolates compressor noise, improving soundproofing by preventing noise transmission to the outside and providing protection against external fire hazards while maintaining airtightness and shock absorption.
Implementation Method 1
The soundproof chamber and the connecting cylinder wrap around a periphery of the compressor... the soundproof chamber completely seals and isolates the compressor from the outside to make noise generated by the compressor cannot be transmitted to the outside
Implementation Method 2
The soundproof chamber is a silicone soundproof chamber... The stretch-resistant portion is arranged on one side of the extension portion near the connecting cylinder... providing protection against external fire hazards while maintaining airtightness and shock absorption
Data Source
AI summary
Disclosure is a silent structure and a mobile air conditioner and relates to the technical field of mobile air conditioners. The silent structure includes a connecting cylinder, a soundproof chamber, and a sealing cover; an accommodation space is formed inside the connecting cylinder, and one end of the connecting cylinder is arranged on a mounting chassis of the mobile air conditioner; another end of the connecting cylinder is covered by the soundproof chamber; a soundproof space is formed inside the soundproof chamber and is connected with the accommodation space; a pipeline connecting hole is arranged on the soundproof chamber; the sealing cover is arranged on the pipeline connecting hole. Disclosure solves the problem that the noise reduction effect of the mobile air conditioner in the prior art is not ideal.