阅读说明：本技术 平板喇叭 (Flat horn ) 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,包括振膜、金属导线、喇叭前壳以及喇叭后壳,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；在振膜的其中一端表面上设置环形磁体以及圆形磁体,环形磁体与金属线相对设置,相邻的环形磁体的磁极相反,圆形磁体与相邻的环形磁体的磁极相反。与现有技术相比,导电电路以喇叭中心点往外发散,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-panel loudspeaker, which comprises a vibrating diaphragm, a metal wire, a loudspeaker front shell and a loudspeaker rear shell, wherein the metal wire is arranged on the surface of one end of the vibrating diaphragm and consists of at least one annular metal wire and a central point; and a ring-shaped magnet and a circular magnet are arranged on the surface of one end of the diaphragm, the ring-shaped magnet is arranged opposite to the metal wire, the magnetic poles of the adjacent ring-shaped magnets are opposite, and the magnetic poles of the circular magnet and the adjacent ring-shaped magnet are opposite. Compared with the prior art, the conductive circuit is diffused outwards by the central point of the loudspeaker, and the sound diffused outwards is highly consistent, so that the vibration of the vibrating diaphragm at any time can be extremely balanced, and the dynamic and detail of the sound are restored to the maximum extent.)

1. The utility model provides a flat horn, includes vibrating diaphragm (1), the electrically conductive wire (2) of printing on vibrating diaphragm (1), preceding shell (12) of loudspeaker and have loudspeaker backshell (10) of sound hole, 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) positioned in the center of the metal wire (3), the metal wire (3) comprises a semi-circular positive wire (5) and a semi-circular negative wire (6) which are arranged in half, 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 extend to contacts (7) which are respectively arranged on the edges of two opposite sides of the vibrating diaphragm (1); and annular magnets (11) with the same number as the metal wires (3) and circular magnets (16) opposite to the central point (4) are arranged on the surface of one end of the diaphragm (1), the annular magnets (11) are arranged opposite to the metal wires (3), the magnetic poles of the adjacent annular magnets (11) are opposite, and the magnetic poles of the circular magnets (16) are opposite to the magnetic poles of the adjacent annular magnets (11).

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

4. The flat plate loudspeaker according to 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.

5. The flat plate horn of claim 4, wherein: the annular magnet (11) is arranged between the diaphragm (1) and the front loudspeaker shell (12), and the annular magnet (11) and the circular magnet (16) are concentrically arranged and fixed on the front loudspeaker shell (12).

6. The flat plate horn of claim 5, wherein: the loudspeaker front shell (12) is disc-shaped and comprises a bottom plate (13) and a surrounding edge (14) surrounding the bottom plate (13) for one circle, so that an accommodating space is formed on the bottom plate (13), the vibrating diaphragm (1) is arranged in the accommodating space, and the annular magnet (11) and the circular magnet (16) are fixed in the accommodating space and are opposite to the vibrating diaphragm (1); the diaphragm (1) is spaced from the ring magnet (11) and the circular magnet (16).

7. The flat plate horn of claim 6, wherein: magnet fixing grooves (15) with the same number as the annular magnets (11) and the circular magnets (16) are formed in the surface of one end, opposite to the vibrating diaphragm (1), of the displacement bottom plate (13) in the accommodating space, and the annular magnets (11) and the circular magnets (16) are fixed in the magnet fixing grooves (15) respectively.

Technical Field

The invention relates to an earphone, in particular to 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-panel loudspeaker, aiming at solving the technical problems of improving the vibration balance of a vibrating diaphragm, ensuring better transient response of sound and high sound reduction degree.

In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a flat-panel loudspeaker, shell and have the loudspeaker backshell that goes out the sound hole before vibrating diaphragm, the electrically conductive wire of printing on the vibrating diaphragm, loudspeaker, its characterized in that: the metal wire is arranged on the surface of one end of the vibrating diaphragm and consists of at least one annular metal wire and a central point positioned in the center of the metal wire, the metal wire comprises a semi-annular positive wire and a semi-annular negative wire which are arranged in a half-and-half mode, and leads are respectively led out from one ends of different sides of the positive wire and the negative wire to be connected with the central point and extend to contacts respectively arranged on the edges of two opposite sides of the vibrating diaphragm; and the surface of one end of the diaphragm is provided with annular magnets with the same number as the metal wires and a circular magnet opposite to the central point, the annular magnets are arranged opposite to the metal wires, the magnetic poles of the adjacent annular magnets are opposite, and the magnetic poles of the circular magnet and the adjacent annular magnet are opposite.

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.

Further, the annular magnet is arranged between the vibrating diaphragm and the front loudspeaker shell, and the annular magnet and the circular magnet are concentrically arranged and fixed on the front loudspeaker shell.

Furthermore, the front shell of the loudspeaker is in a disc shape and comprises a bottom plate and a surrounding edge surrounding the bottom plate for a circle, so that an accommodating space is formed on the bottom plate in a surrounding manner, the vibrating diaphragm is arranged in the accommodating space, and the annular magnet and the circular magnet are fixed in the accommodating space and are opposite to the vibrating diaphragm; the diaphragm is spaced from the ring magnet and the circular magnet.

Furthermore, magnet fixing grooves with the same number as the annular magnets and the circular magnets are formed in the surface of one end, opposite to the vibrating diaphragm, of the displacement bottom plate in the accommodating space, and the annular magnets and the circular magnets are fixed in the magnet fixing grooves respectively.

Compared with the prior art, the invention has the advantages that at least one annular metal wire is arranged, the annular magnets and the circular magnets with the same number of metal wires are arranged on the same side, the magnetic poles of the adjacent annular magnets and the magnetic poles of the circular magnets and the annular magnets are opposite, the metal wire pairs are semi-arranged into the semi-circular positive wire and the semi-circular negative wire, one ends of different sides of the positive wire and the negative wire are respectively connected with the contact and the central point, so that the conductive circuit is outwards diffused by the central point of the loudspeaker, and the outwards diffused sounds are highly consistent due to the shape and the size of the positive wire and the negative wire, so that the vibration of the vibrating diaphragm can reach the polar balance at any time, and the dynamic and the details of the sounds are restored to the maximum extent.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the present invention.

FIG. 3 is a schematic view of the structure of the diaphragm of the present invention

Fig. 4 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 5 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, 2 and 3, the present invention discloses a flat plate loudspeaker, including a vibrating diaphragm 1, a conductive metal wire 2 printed on the vibrating diaphragm 1, a loudspeaker front shell 12 and a loudspeaker rear shell 10 having sound holes, in the present invention, the vibrating diaphragm 1 is arranged between the loudspeaker front shell 12 and the loudspeaker rear shell 10, the metal wire 2 is arranged on one end surface 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 at the center of the metal wire 3, the metal wire 3 includes a semi-annular positive wire 5 and a semi-annular negative wire 6 arranged in half, one end of different sides of the positive wire 5 and the negative wire 6 is respectively led out to connect with the central point 4 and connect with contacts 7 respectively arranged at two opposite side edges of the vibrating diaphragm 1; more precisely, the different ends of the positive wire 5 and the negative wire 6 are respectively connected with the contacts 7 at the two opposite side edges of the diaphragm 1, the other end of the positive wire 5 (i.e. the end opposite to the end connected with the negative wire 6 and the contact 7) is connected with the central point 4 through a lead wire, the other end of the negative wire 5 (i.e. the end opposite to the end connected with the positive wire 5 and the contact 7) is connected with the central point 4 through a lead wire, the surface of one end of the diaphragm 1 is provided with annular magnets 11 with the same number as the metal wires 3 and circular magnets 16 opposite to the central point 4, the annular magnets 11 are opposite to the metal wires 3, the magnetic poles of the adjacent annular magnets 11 are opposite, and the magnetic poles of the circular magnets 16 are opposite to the magnetic poles of the adjacent annular magnets 11; a tuning net 18 is respectively covered on one end surface of the front loudspeaker shell 12 facing away from the diaphragm 1 and one end surface of the rear loudspeaker shell 10 facing away from the diaphragm 1.

In the present invention, the metal wire 3 adjacent to the center point 4 may share one circular magnet 16 with the center point 4.

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.

In the present invention, the following arrangement, the arrangement order of snsnsnsn … …, is adopted in which the magnetic poles between the adjacent two ring magnets 11 and the circular magnet 16 are reversed.

The arrangement mode of SNSN can make the wave form generated by the magnetic field more balanced, and the arrangement mode of SNSN and the arrangement mode of the conductive circuit design of the vibrating diaphragm play a role of different work and work together, so that the magnetic resonance vibration effect of the vibrating diaphragm can be extremely synchronous.

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. 3, 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 and 3, a ring-shaped skeleton 17 for supporting the diaphragm 1 is provided on the outer periphery of the diaphragm 1.

As shown in fig. 3, 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. 3, 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. 4, 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. 5, 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.

As shown in fig. 1 and 2, the ring magnet 11 is disposed between the diaphragm 1 and the horn front shell 12, and the ring magnet 11 and the circular magnet 16 are concentrically disposed and fixed on the horn front shell 12.

As shown in fig. 1, the front speaker housing 12 is a disk-shaped housing, and includes a bottom plate 13 and a surrounding edge 14 surrounding the bottom plate 13 to form a receiving space on the bottom plate 13, the diaphragm 1 is disposed in the receiving space, and the ring magnet 11 and the circular magnet 16 are fixed in the receiving space and opposite to the diaphragm 1; the diaphragm 1 has a spacing from the ring magnet 11 and the circular magnet 16.

As shown in fig. 1, magnet fixing grooves 15 are provided in the accommodating space at an end surface of the bottom plate 13 opposite to the diaphragm 1 in an amount equal to the number of the ring magnets 11 and the circular magnets 16, and the ring magnets 11 and the circular magnets 16 are respectively fixed in the magnet fixing grooves 15 to prevent the ring magnets 11 and the circular magnets 16 from falling off.

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, the preformed relative positive electrode wire and the preformed negative electrode wire are arranged, the ring-shaped metal wire is half-and-half set into a semi-ring-shaped positive electrode wire and a semi-ring-shaped negative electrode wire, the shapes and the sizes of the positive electrode wire and the negative electrode wire 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 dynamic and the details of the sound are greatly reduced.