Composite vibrating diaphragm for sound production device and sound production device

A sounding device and composite process technology, applied in the direction of polymer material diaphragm, non-planar diaphragm/paper cone, application, etc., can solve the problem of low single-layer rubber modulus, large space limitation of sounding device, single performance debugging method problem, to achieve the effect of ensuring resilience and excellent acoustic performance

Active Publication Date: 2020-04-03
GOERTEK INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although single-layer rubber has high damping, good rebound, and better environmental tolerance than thermoplastic diaphragms, the modulus of single-layer rubber is too low, so it can only be adjusted in terms of hardness and thickness, and is limited by the space of the sounding device. , the performance debugging method is single, and most of them rely on the adjustment of the local structure of the diaphragm at present, which cannot meet the current requirements for high-quality sound quality of the sound-generating device

Method used

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  • Composite vibrating diaphragm for sound production device and sound production device
  • Composite vibrating diaphragm for sound production device and sound production device
  • Composite vibrating diaphragm for sound production device and sound production device

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Embodiment Construction

[0027] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0028] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0029] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0030] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a composite vibrating diaphragm for a sound production device, and the composite vibrating diaphragm enables a rubber layer and an adhesive film layer to be compounded to forma composite structure, guarantees the temperature resistance and rebound resilience of the rubber layer, combines the advantages of high modulus and high damping of the adhesive film layer of the composite structure, and guarantees the rebound resilience, high temperature resistance and high damping performance of the composite vibrating diaphragm. The sound production device provided by the invention has better acoustic performance.

Description

technical field [0001] The invention relates to the technical field of electroacoustic conversion, in particular, the invention relates to a composite diaphragm used for a sound generating device and the sound generating device. Background technique [0002] As a device that can convert electrical energy into sound energy, the sound generating device has been widely used in mobile terminals such as mobile phones, computers, and pads. As one of the key components of the sounding device, the small-amplitude driving diaphragm has higher and higher performance requirements. The main performance requirements include high strength, high sound quality, high waterproof, and high air tightness. The raw material requirements of the membrane are also more stringent. [0003] The diaphragms of existing sounding devices are mostly composed of two or more types of thermoplastic elastomer, polyetheretherketone, acrylic film, and silica gel film. However, this type of thermoplastic materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R7/12H04R9/02H04R9/06H04R31/00B32B25/04B32B25/16B32B27/08B32B27/30B32B33/00B32B7/12
CPCB32B7/12B32B25/042B32B25/16B32B27/08B32B27/308B32B33/00B32B2250/24B32B2250/248B32B2250/40B32B2307/306B32B2307/51B32B2307/714B32B2457/00H04R7/125H04R9/02H04R9/06H04R31/00H04R2231/00H04R2307/025
Inventor 宋启龙解志浩王昭明
Owner GOERTEK INC
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