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Speaker apparatus

A loudspeaker and compliance technology, applied in frequency/direction characteristic devices, loudspeakers, sensors, etc., can solve the problems of small speaker volume and detract from the output performance of the speaker, and achieve the effect of enhancing the output performance

Active Publication Date: 2020-04-28
LUXSHARE ICT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the speaker volume of the micro-speaker is very small (mostly less than 1 milliliter). If the bass enhancement device is introduced, it will not only fail to enhance the low-frequency function normally, but will also cause damage to the original output performance of the speaker.

Method used

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Embodiment Construction

[0053] figure 1 It is an application schematic diagram of an embodiment of the speaker device of the present invention, figure 2 It is an exploded perspective view of an embodiment of the speaker device of the present invention. Such as figure 1 and figure 2 As shown, the speaker device 1 of this embodiment includes a speaker unit 10 , a speaker unit 20 and a bass reinforcing unit 30 , and the speaker unit 20 and the bass reinforcing unit 30 are disposed inside the speaker 10 . In one embodiment, the speaker device 1 can be a micro-speaker for thin or small electronic products (such as smart phones, tablet computers or notebook computers) with small internal space. For example figure 1 As shown, in this embodiment, the speaker device 1 is installed inside a smart phone 2 to emit sound for people around to listen to, but this embodiment is not limited.

[0054] Such as figure 2 As shown, in this embodiment, the sound box 10 includes an inner cavity 11. In this embodime...

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Abstract

A speaker apparatus includes an enclosure, a speaker unit, and a bass reinforcement unit. The enclosure includes an inner cavity, where a cavity volume of the inner cavity is in a range of 0.5 milliliter to 1 milliliter, the enclosure has a cavity acoustic compliance value, and the cavity acoustic compliance value is obtained by dividing the cavity volume by a product of air density and a sound velocity squared. The speaker unit is disposed inside the inner cavity and comprises a diaphragm and a surround, the surround is disposed around the diaphragm in a surrounding manner, the speaker unit has a speaker acoustic compliance value and an effective sound outlet area, and the speaker acoustic compliance value is a product of a mechanical compliance value of the surround and the effective sound outlet area squared, wherein the effective sound outlet area is proportional to an area of the diaphragm, and a ratio of the speaker acoustic compliance value to the cavity acoustic compliance value is less than or equal to 1. The bass reinforcement unit is disposed inside the inner cavity and outputs a low-frequency response frequency according to operation of the speaker unit.

Description

technical field [0001] The present invention relates to an audio playback device, in particular to a loudspeaker device. Background technique [0002] Horns (or loudspeakers) are very common sound playback devices at present. The function of the horn is to convert electrical signals into mechanical vibrations of the diaphragm, and then change the density of the surrounding air to produce sound for people around to listen to. [0003] For some large speakers, in order to enhance the sound pressure in the low frequency range, a bass reinforcement device, such as a bass reflex tube (Bass reflex) or a passive radiator (Passive Radiator), is generally added to the speaker to take advantage of the phase inversion characteristics , to achieve the effect of strengthening the low frequency. [0004] With the development of thinner and lighter electronic devices, many electronic devices (such as smart phones, tablet computers or notebook computers, etc.) mostly use micro-speakers to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R9/06H04R9/02
CPCH04R9/06H04R9/02H04R2400/11H04R1/2834H04R9/046H04R1/2819H04R9/04H04R1/2823H04R1/24
Inventor 廖冠淳陈俊元郑志强黄教汎
Owner LUXSHARE ICT