WO2018094724A1

WO2018094724A1 - Graphene speaker diaphragm

Info

Publication number: WO2018094724A1
Application number: PCT/CN2016/107458
Authority: WO
Inventors: 袁智杰; 郑雷
Original assignee: 声电电子科技(惠州)有限公司
Priority date: 2016-11-28
Filing date: 2016-11-28
Publication date: 2018-05-31

Abstract

A graphene speaker diaphragm, comprising a diaphragm substrate layer (12) and a graphene layer (11) adhered to a surface of the diaphragm substrate layer (12). By providing a diaphragm design meeting requirement of a miniature speaker and being particularly useful for a speaker vibration diaphragm of an earphone, the present invention enables large-angle bending while preventing irreversible deformation, provides superior endurance to a large pressure, and enhances diaphragm strength, thus improving the acoustic output performance of a speaker.

Description

Graphene speaker diaphragm

Technical field

The utility model relates to a speaker diaphragm, in particular to a graphene speaker diaphragm.

Background technique

Graphene is a two-dimensional carbon material which is a two-dimensional crystal which is separated from the graphite material and composed of carbon atoms and has only one atomic thickness. It is the newest nanomaterial that is the thinnest, strongest, and most conductive and thermally conductive.

In addition, in the speaker, the diaphragm is the most important component of its frequency response performance, and the technicians in this field have tried to explore the technical specifications of the diaphragm further.

Utility model content

The technical problem to be solved by the present invention is to propose a speaker diaphragm having better strength and better high frequency performance.

The technical solution proposed by the present invention to solve the above technical problems is: a graphene speaker diaphragm comprising a diaphragm substrate layer and a graphene layer attached to the surface of the diaphragm substrate layer.

Further, the graphene speaker diaphragm is composed of a ball top and a folding portion connected in a circumferential direction of the top of the ball, and the edge of the folding portion extends horizontally outward to form a connecting portion, and further includes a copper ring on the connecting portion.

Further, a ring-shaped annular array of rings is disposed on the folded ring portion.

Further, the film substrate is composited by combining two or more of a PET material, a PAR material, a PEI material, a PI material, a PEEK material, and a PU material.

The beneficial effects of the utility model are:

The utility model can meet the requirements of the micro-speaker diaphragm, especially as the speaker diaphragm on the earphone, can be bent to a large angle to avoid irreversible deformation, can resist large pressure, improve diaphragm strength, and improve speaker acoustic output. performance.

DRAWINGS

The graphene speaker diaphragm of the present invention will be further described below with reference to the accompanying drawings.

Figure 1 is a plan view of a graphene speaker diaphragm of the present invention;

2 is a cross-sectional view showing the structure of a graphene speaker diaphragm of the present invention;

3 is a cross-sectional structural view of a graphene speaker diaphragm of the present invention.

detailed description

Example

According to FIG. 1, FIG. 2 and FIG. 3, the graphene speaker diaphragm of the present invention comprises a membrane substrate layer 12 and a graphene layer 11 attached to the surface of the membrane substrate layer 12.

In the present embodiment, the graphene speaker diaphragm is preferably composed of a ball top portion 10 and a folding ring portion 20 connected to the ball top 10 in the circumferential direction. The edge portion of the folding ring portion 20 extends horizontally outward to form a connecting portion. Also included is a copper ring 30 that is secured to the joint.

The loop portion 20 is provided with an annular array of ribs 40, and the ribs 40 are preferably 64 sheets.

In the present embodiment, the graphene layer 11 is a single layer of graphene, and of course, it may be a two-layer graphene or even a multilayer graphene composite.

The diaphragm substrate may be a composite of two or more of a PET material, a PAR material, a PEI material, a PI material, a PEEK material, and a PU material.

The present invention is not limited to the above embodiments, and the technical solutions of the above various embodiments of the present invention can be cross-combined with each other to form a new technical solution, and the technical solutions formed by the equivalent replacement are all required by the present invention. Within the scope of protection.

Claims

A graphene speaker diaphragm comprising a film substrate layer and a graphene layer attached to a surface of the film substrate layer.
A graphene speaker diaphragm according to claim 1, wherein said graphene speaker diaphragm is constituted by a ball top and a loop portion connected to a circumferential direction of said ball top, at the edge of said loop portion The horizontally outwardly extending portion is formed with a connecting portion, and further includes a copper ring fixed to the connecting portion.
The graphene speaker diaphragm according to claim 2, wherein the loop portion is provided with a ring-shaped annular array.
The graphene speaker diaphragm according to claim 1, wherein the diaphragm substrate is a combination of two or more of a PET material, a PAR material, a PEI material, a PI material, a PEEK material, and a PU material. Made of composite.