Speaker Guide Pipe Air Flow Rear Front Cavity
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Solution Overview
Problem
The existing speaker designs for car audio systems face challenges in optimizing acoustic performance within limited space, resulting in subpar sound quality.
Innovation Solution
The speaker design includes a shell with a receiving space containing a magnetic path assembly and a vibration assembly, featuring a magnetic bowl with main and auxiliary magnets, a guide pipe with through holes, and a diaphragm connected to a voice coil, which allows for improved air flow and magnetic field utilization, enhancing loudness and acoustic performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the speaker is designed to take up a smaller space, then the installation position requirement is met, but the acoustic performance deteriorates
Solution Approach 1:
The speaker is divided into distinct functional modules: a magnetic path assembly containing main and auxiliary magnets, a vibration assembly with diaphragm and voice coil, and a guide pipe system. This segmentation allows each component to be optimized independently while maintaining compact overall dimensions, resolving the contradiction between small volume and acoustic performance.
Solution Approach 2:
The auxiliary magnet is nested within the magnetic path assembly, surrounding the main magnet. The guide pipe is nested within the receiving space, with through holes penetrating multiple components (magnetic bowl, main magnet, support). This nesting arrangement maximizes space utilization, allowing complex acoustic functions to be achieved within a compact volume.
2Volume of moving object
If the speaker structure is optimized for limited space, then the installation requirement is met, but the sound quality deteriorates
Solution Approach 1:
The guide pipe acts as an intermediary component connecting the rear cavity to the front cavity through strategically placed through holes. It mediates the air flow between cavities, enabling acoustic pressure balancing and sound quality enhancement without requiring additional external components, thus maintaining compact size while improving sound quality.
Solution Approach 2:
The guide pipe system utilizes pneumatic principles by creating controlled air flow paths through the speaker structure. The through holes in the guide pipe, magnetic bowl, main magnet, and support establish pressure equalization channels that improve acoustic performance by managing air movement within the confined space, transforming a spatial constraint into an acoustic advantage.
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 design increases loudness and optimizes acoustic performance by guiding air from the rear cavity to the front cavity through strategically placed through holes, reducing noise and improving sound quality.
Implementation Method 1
one end of the voice coil away from the diaphragm extends into the magnetic gap; the magnetic path assembly includes a magnetic bowl, and a main magnet and an auxiliary magnet which are arranged on the magnetic bowl
Implementation Method 2
a guide pipe is also arranged in the receiving space; one end of the guide pipe is fixed to the magnetic bowl, and the other end of the guide pipe extends into the rear cavity; the first through hole, the second through hole, the third through hole, and the fourth through hole are communicated in sequence
Data Source
AI summary
The present application discloses a speaker, including a shell and a speaker unit. The speaker unit includes a frame, and a magnetic path assembly and a vibration assembly; wherein, a guide pipe is also arranged in the receiving space. Compared with the related art, the present invention has the advantages that the guide pipe having a first through hole is provided; a magnetic bowl is provided with a second through hole in a penetrating manner; a main magnet is provided with a third through hole in a penetrating manner; a support is provided with a fourth through hole in a penetrating manner; all the above through holes are communicated in sequence. Thus, air of a region of the rear cavity can be introduced to the front cavity, which achieves effects of increasing the loudness of the speaker and optimizing the acoustic performance.