阅读说明：本技术 平板喇叭振膜 (Flat loudspeaker diaphragm ) 是由 刘垣皜 蒋艳辉 于 2021-06-26 设计创作，主要内容包括：本发明公开了一种平板喇叭振膜,包括振膜以及印刷在振膜上的导电的金属导线,金属导线设置在振膜的其中一端表面上,金属导线由至少一环圆环形的金属线以及位于金属线中心的中心点构成,金属线包括对半设置的半圆环形的正极线、负极线,正极线和负极线中不同侧的一端分别引出引线与中心点相连以及延伸至分别设置在振膜相对两侧边缘的触点相连。与现有技术相比,使导电电路以喇叭中心点往外发散,由于正负极线的形状和尺寸相适配,因此往外发散的的声音都达到高度的一致。使振膜在任何时候的振动都能达到极致的平衡,最大限度的还原了声音的动态和细节。(The invention discloses a flat loudspeaker diaphragm, which comprises a diaphragm and a conductive metal wire printed on the diaphragm, wherein the metal wire is arranged on the surface of one end of the diaphragm and consists of at least one annular metal wire and a central point positioned at the center of the metal wire, the metal wire comprises a semi-circular positive wire and a semi-circular negative wire which are arranged in a half-and-half mode, and one ends of different sides of the positive wire and the negative wire are respectively led out to lead wires to be connected with the central point and extend to contacts respectively arranged at the edges of two opposite sides of the diaphragm. Compared with the prior art, the conductive circuit is diffused outwards by the central point of the horn, and the sound diffused outwards is highly consistent due to the adaptation of the shapes and the sizes of the positive and negative electrode lines. The vibration of the diaphragm can be balanced at any time, and the dynamic and detail of the sound are restored to the maximum extent.)

1. The utility model provides a dull and stereotyped loudspeaker vibrating diaphragm, includes vibrating diaphragm (1) and prints electrically conductive metal wire (2) on vibrating diaphragm (1), its characterized in that: the metal wire (2) is arranged on the surface of one end of the vibrating diaphragm (1), the metal wire (2) is composed of at least one annular metal wire (3) and a central point (4) located in the center of the metal wire (3), the metal wire (3) comprises a semi-annular positive wire (5) and a semi-annular negative wire (6) which are arranged in half and half, and one ends of different sides in the positive wire (5) and the negative wire (6) are respectively led out to be connected with the central point (4) and extend to contacts (7) which are respectively arranged on the edges of two opposite sides of the vibrating diaphragm (1).

2. The flat horn diaphragm of claim 1, wherein: the metal wire (3) is provided with at least two rings which are arranged concentrically, the diameters of the metal wire are sequentially decreased towards the direction of the central point (4), and in the two rings of metal wires (3), the positive wire (5) and the negative wire (6) are arranged in a tortuous shape.

3. The flat horn diaphragm of claim 2 wherein: the spacing of the metal wires (3) in each ring is equal.

4. The flat horn diaphragm of any one of claims 1 to 3 wherein: in each ring of metal wires (3), the positive wire (5) is composed of at least two first sub-wires (8) arranged in a winding way, and the negative wire (6) is composed of at least two second sub-wires (9) arranged in a winding way.

Technical Field

The invention relates to a vibrating diaphragm of an earphone, in particular to a vibrating diaphragm of a flat loudspeaker.

Background

At present, the conductive circuit on the traditional flat-plate loudspeaker diaphragm adopts the design of a snake-shaped circuit, a Z-shaped circuit and a double-line circuit, so that the frequency response of the designed circuit is unbalanced when the loudspeaker diaphragm vibrates, the transient response of sound is misaligned, and the finally expressed sound dynamic and detail can be distorted.

Disclosure of Invention

The invention aims to provide a flat-plate loudspeaker diaphragm, and aims to solve the technical problems of improving the vibration balance of the diaphragm, enabling the transient response of sound to be better and enabling the sound to have high degree of restitution.

In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a flat-plate loudspeaker vibrating diaphragm, includes vibrating diaphragm and the electrically conductive wire of printing on the vibrating diaphragm, the wire sets up on one of them terminal surface of vibrating diaphragm, the wire comprises the annular metal wire of at least a ring and the central point that is located the metal wire center, the wire includes half annular positive pole line, the negative pole line of half-and-half setting, the lead wire is drawn forth respectively to the one end of different sides in positive pole line and the negative pole line and is linked to each other with the central point and extend to the contact that sets up respectively at the relative both sides edge of vibrating diaphragm and link to each other.

Furthermore, the metal wire is provided with at least two rings which are arranged concentrically, the diameters of the metal wire are gradually decreased towards the direction of the central point, and in the two rings of metal wires, the positive wire and the negative wire are arranged in a tortuous shape.

Further, the spacing of the metal lines in each loop is equal.

Furthermore, in each ring of metal wires, the positive wire is composed of at least two first sub-wires arranged in a zigzag manner, and the negative wire is composed of at least two second sub-wires arranged in a zigzag manner.

Compared with the prior art, the conductive circuit is diffused outwards from the central point of the loudspeaker by arranging at least one ring of metal wire, arranging the metal wire pair into the semi-circular positive wire and the semi-circular negative wire and connecting one ends of different sides of the positive wire and the negative wire with the contact and the central point respectively, and the outward diffused sounds are highly consistent due to the fact that the positive wire and the negative wire are matched in shape and size. The vibration of the diaphragm can be balanced at any time, and the dynamic and detail of the sound are restored to the maximum extent.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1, the invention discloses a flat-plate loudspeaker diaphragm, which comprises a diaphragm 1 and a conductive metal wire 2 printed on the diaphragm 1, wherein the metal wire 2 is arranged on the surface of one end of the diaphragm 1, the metal wire 2 is composed of at least one annular metal wire 3 and a central point 4 positioned in the center of the metal wire 3, the metal wire 3 comprises a semi-annular positive wire 5 and a semi-annular negative wire 6 which are arranged in a half-and-half manner, and one ends of different sides of the positive wire 5 and the negative wire 6 are respectively led out to be connected with the central point 4 and connected with contacts 7 extending to the edges of two opposite sides of the diaphragm 1; more specifically, the different ends of the positive wire 5 and the negative wire 6 are respectively connected to the contacts 7 at the opposite side edges of the diaphragm 1, the other end of the positive wire 5 (i.e., the end opposite to the end connected to the negative wire 6 and the contact 7) is connected to the central point 4 through a lead wire, and the other end of the negative wire 5 (i.e., the end opposite to the end connected to the positive wire 5 and the contact 7) is connected to the central point 4 through a lead wire.

By adopting the structure, the vibration of the vibrating diaphragm can be balanced, so that the dynamic detail of the sound is restored to the maximum extent.

Of course, in order to ensure that the vibration of the diaphragm can better radiate from the center point to the outside, the metal wire 3 is provided with at least two rings, and the diameters of the two rings are concentrically arranged and sequentially decrease in the direction of the center point 4, in the two rings of metal wires 3, the positive wire 5 and the negative wire 6 are arranged in a zigzag shape, and the following description will be given by taking the example shown in fig. 1, assuming that from the outside to the inside, the outermost positive wire 5 is the first positive wire 51, the second ring positive wire 5 is the second positive wire 52, the third ring positive wire 5 is the third positive wire 53, the fourth ring positive wire 5 is the fourth positive wire 54, wherein in fig. 1, the left side of the first positive wire 51, the second positive wire 52, the third positive wire 53 and the fourth positive wire 54 is the end point a, the right side is the end point B, the end point a of the first positive wire 51 is connected with the contact 7 adjacent to the left side through the lead wire, and the end point B of the first positive wire 51 is connected with the end point B of the second positive wire 52, the end A of the second positive line 52 is connected with the end A of the third positive line 53, the end B of the third positive line 53 is connected with the end B of the fourth positive line 54, and the end A of the fourth positive line 54 is connected with the central point 4, so that the positive line 5 is arranged in a semicircular roundabout zigzag shape; similarly, the outermost negative electrode wire 6 is a first negative electrode wire 61, the second ring-shaped negative electrode wire 6 is a second negative electrode wire 62, the third ring-shaped negative electrode wire 6 is a third negative electrode wire 63, and the fourth ring-shaped negative electrode wire 6 is a fourth negative electrode wire 64, wherein in fig. 1, the left sides of the first, second, third, and fourth negative electrode wires 61, 62, 63, 64 are end points a and the right side is an end point B, the end point B of the first negative electrode wire 61 is connected to the adjacent right-side contact 7 through the lead wire, the end point a of the first negative electrode wire 61 is connected to the end point a of the second negative electrode wire 62, the end point B of the second negative electrode wire 62 is connected to the end point B of the third negative electrode wire 63, the end point a of the third negative electrode wire 63 is connected to the end point a of the fourth negative electrode wire 64, and the end point B of the fourth negative electrode wire 64 is connected to the central point 4, so that the negative electrode wires 6 are arranged in a semicircular zigzag shape; the anode wire 5 and the cathode wire 6 of each ring are uniformly opposite.

As shown in fig. 1, in the present invention, the pitch of the metal wires 3 is equal for each ring, that is, the pitch of the positive wires 5 and the pitch of the negative wires 6 are equal for each ring.

As shown in fig. 2, in each ring metal wire 3, the positive electrode wire 5 is composed of at least two first sub wires 8 arranged in a zigzag manner, the negative electrode wire 6 is composed of at least two second sub wires 9 arranged in a zigzag manner, specifically, the at least two first sub wires 8 are arranged in a serpentine zigzag manner to form one positive electrode wire 5, the at least two second sub wires 9 are arranged in a serpentine zigzag manner to form one negative electrode wire 6, and in each ring metal wire 3, the arrangement is adopted, and in each ring metal wire 3, the number of the first sub wires 8 and the number of the second sub wires 9 forming the positive electrode wire and the number of the second sub wires 9 forming the negative electrode wire may be equal or different.

As shown in fig. 2, as a first embodiment of the present invention, the metal wire 3 is provided with four rings, and from the outside to the inside, 5 first sub wires 8 constituting the positive electrode wire 5 and 5 second sub wires 9 constituting the negative electrode wire 6 are provided in the first ring metal wire 3; in the second ring metal wire 3, 5 first sub-wires 8 forming the positive wire 5 are arranged, and 5 second sub-wires 9 forming the negative wire 6 are arranged; in the third ring metal wire 3, 5 first sub-wires 8 forming the positive wire 5 are arranged, and 5 second sub-wires 9 forming the negative wire 6 are arranged; in the fourth ring metal wire 3, 3 first sub wires 8 constituting the positive electrode wire 5 are provided, and 3 second sub wires 9 constituting the negative electrode wire 6 are provided.

As shown in fig. 3, as a second embodiment of the present invention, the metal wire 3 is provided with three rings, and from the outside to the inside, 5 first sub wires 8 constituting the positive electrode wire 5 and 5 second sub wires 9 constituting the negative electrode wire 6 are provided in the first ring metal wire 3; in the second ring metal wire 3, 5 first sub-wires 8 forming the positive wire 5 are arranged, and 5 second sub-wires 9 forming the negative wire 6 are arranged; in the third ring metal wire 3, 6 first sub wires 8 constituting the positive electrode wire 5 are provided, and 6 second sub wires 9 constituting the negative electrode wire 6 are provided.

The invention sets the conductive circuit (metal wire) as the vibrating diaphragm of the flat loudspeaker into at least one ring shape, the diameters of the conductive circuit (metal wire) are concentric and sequentially decreased towards the direction of a central point, and the half part of the metal wire of the ring shape is set into a semi-ring-shaped positive wire and a semi-ring-shaped negative wire, so that the shapes and the sizes of the positive and negative wires which are outwards diffused from the central point are kept consistent, the vibration of the vibrating diaphragm at any time can be balanced, and the dynamics and the details of the sound are greatly reduced.