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Sound device

A technology of sound-generating devices and basin frames, applied in the field of electronic products, can solve problems affecting the performance of sound-generating devices, unable to fill sound-absorbing particles, small size, etc., and achieve the effects of improving low-frequency sensitivity, reducing F0, and increasing volume

Active Publication Date: 2021-07-09
AAC TECH PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the sound-generating devices of the related art, the volume of the rear cavity formed by the dust cover and the lower cover of the existing sound-generating devices is small, and it cannot be filled with more sound-absorbing particles, which affects the performance of the sound-generating devices

Method used

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] Please also see Figure 1-5 , The sound generating device 100 provided according to the present invention includes a basin frame 10 having a storage space 14, a vibration system 20 accommodated in the storage space 14, a magnetic circuit system 30 for driving the vibration system 20 to vibrate and sound, and a dust cover 40 .

[0030] The pot frame 10 includes an upper cover 11 , a lower cover 12 and a middle frame 13 , and the upper cover 11 , the mid...

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Abstract

The present invention provides a sound-generating device, comprising a basin frame with a receiving space, a vibration system received in the receiving space, and a magnetic circuit system for driving the vibration system to vibrate and sound, the magnetic circuit system comprising a The magnetic yoke of the basin frame; the vibration system includes a first diaphragm that divides the accommodation space into a front cavity and a rear cavity; the sound-emitting device further includes a dust cover connecting the basin frame and the magnetic yoke, the The dust cover divides the rear cavity into a first rear cavity close to the first diaphragm and a second rear cavity far away from the first diaphragm, and the dust cover includes a fixed connection with the basin frame The first fixing part, the second fixing part fixing the yoke, and the connecting part connecting the first fixing part and the second fixing part, the connecting part is convex and extends toward the first diaphragm to form a convex start. The dust cover of the sound-emitting device can increase the volume of the back cavity and increase the filling volume of the sound-absorbing particles.

Description

【Technical field】 [0001] The invention relates to the field of electronic products, in particular to a sound-generating device. 【Background technique】 [0002] With the advent of the mobile Internet era, the number of smart mobile devices continues to rise. Among the many mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of mobile phones are extremely diverse, one of which is the function of high-quality music. Therefore, sound-generating devices for playing sound are widely used in current smart mobile devices. [0003] The sound-generating device in the related art includes a pot frame with a receiving space, a vibration system installed in the pot frame containing space, and a magnetic circuit system with a magnetic gap. The pot frame includes an upper cover and a lower cover, and the upper cover and the lower cover are fastened together. The storage space is formed, and the vibration system an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R9/04H04R9/02H04M1/03H04R7/12
CPCH04M1/03H04R7/12H04R9/025H04R9/027H04R9/04
Inventor 令狐荣林肖波章统
Owner AAC TECH PTE LTD
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