Microphone Housing Structure for Air Conditioner Noise Isolation
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Solution Overview
Problem
Air conditioners face difficulties in accurately collecting voice/audio signals due to ambient noise interference, such as outdoor and indoor sounds, air flow noise, and vibrations, which reduces the voice recognition rate and limits effective control operations.
Innovation Solution
An air conditioner design incorporating a microphone housed within a noise insulation space defined by a hexahedral-shaped housing with specific dimensions and a supporting device, which reduces noise interference by isolating low-frequency noises and stabilizing the microphone, enhancing voice command recognition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the microphone is exposed to the external environment for voice collection, then voice input functionality is enabled, but noise interference from outdoor sounds, indoor sounds, air flow, and vibrations increases
Solution Approach 1:
The voice collecting device is segmented into a separate housing unit that can be independently installed on the side panel. This housing contains the microphone and provides acoustic isolation from the main air conditioner body, separating the voice collection function from the noise-generating cooling functions.
Solution Approach 2:
The housing acts as an intermediary structure between the external environment and the microphone. It provides a controlled acoustic environment that filters out harmful noises while allowing voice signals to pass through to the microphone for accurate detection.
2Device complexity
If the microphone is installed directly on the air conditioner body, then device complexity is reduced, but noise from air flow and vibrations directly affects voice recognition
Solution Approach 1:
The voice collecting device is nested on the side panel of the air conditioner body. The housing contains the microphone and is mounted as an integrated component on the existing air conditioner structure, providing isolation without requiring a completely separate installation.
3Object-affected harmful factors
If a housing structure is added to shield the microphone, then noise insulation is improved, but the external appearance of the air conditioner may be affected
Solution Approach 1:
The housing is designed to be localized on the side panel area, providing noise insulation specifically where the microphone is positioned. The design maintains the overall aesthetic of the air conditioner by being confined to a specific region rather than altering the entire external appearance.
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 reduces noise levels and improves voice recognition rates by shielding the microphone from extraneous noises, allowing for more reliable audio/voice input collection and control operations, while maintaining the air conditioner's external appearance.
Implementation Method 1
a housing insulating noises to be transferred to the microphone
Implementation Method 2
a microphone contained in the housing and collecting voices
Data Source
AI summary
An air conditioner is provided. The air conditioner may include a body including an outlet and an audio collecting device provided on one side of the outlet, the audio collecting device including a microphone that collects audio input. The audio collecting device may include a housing body including an opening in which the microphone is installed, a housing cover provided on one side of the housing body, and a noise insulation space defined by the housing body and the housing cover. The microphone may be received in the noise insulation space.