CN211321493U

CN211321493U - Double-sided sounding loudspeaker

Info

Publication number: CN211321493U
Application number: CN201922377275.8U
Authority: CN
Inventors: 李巧玲; 高尚
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-21
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a two-sided vocal speaker, including first vocal structure, second vocal structure, first frame and second frame, first vocal structure is used for towards the first direction sound production, and second vocal structure is used for towards the second direction sound production, first frame with the second frame encloses to close and forms the installation cavity, first vocal structure reaches second vocal structrual installation is in the installation cavity, first frame with the relevant position department of second frame is provided with the weld part, first frame with through laser welding between the second frame the weld part forms the connection. The utility model discloses a two-sided vocal speaker connects reliably, can improve two-sided vocal speaker's performance, can also reduce the installation degree of difficulty simultaneously, improves the installation effectiveness.

Description

Double-sided sounding loudspeaker

[ technical field ] A method for producing a semiconductor device

The utility model relates to a speaker technical field, concretely relates to two-sided vocal speaker.

[ background of the invention ]

A speaker is a device capable of converting electrical energy into sound energy, and generally, a conductive element (generally, a voice coil) is energized, so that a stress condition of the conductive element in a magnetic field changes, and a system formed by the conductive element and a diaphragm vibrates to different degrees, and finally emits sounds with different frequencies.

In order to achieve a good sound effect in the prior art, a loudspeaker is generally designed to be capable of producing sound on two sides, namely, a loudspeaker producing sound on two sides is provided with two sets of conductive elements and vibrating diaphragms, wherein the two sets of conductive elements play a role respectively and are matched with one vibrating diaphragm respectively, so that the purpose that the loudspeaker has the good sound effect is achieved. Two-sided vocal speaker is owing to be provided with two sets of functional element (aforementioned conductive element and vibrating diaphragm), makes it have certain degree of difficulty in connecting the installation, makes two sets of functional element even as an organic whole through the mode of beating glue usually, but this kind of mode causes very easily to connect unreliable, influences two-sided vocal speaker's wholeness ability, and the installation moreover is complicated, and installation effectiveness is not high.

[ Utility model ] content

An object of the utility model is to provide a two-sided vocal speaker to the connection that the two-sided vocal speaker among the solution prior art exists is unreliable, problem that installation effectiveness is not high.

The technical scheme of the utility model as follows:

a dual-sided generation speaker, comprising:

a first sounding structure for sounding toward a first direction;

the second sounding structure is used for sounding towards a second direction;

first frame and second frame, first frame with the second frame encloses to close and forms the installation cavity, first sound production structure reaches second sound production structure installs in the installation cavity, first frame with the relevant position department of second frame is provided with the welding part, first frame with through laser welding between the second frame the welding part forms the connection.

As a further alternative of the double-sided sound-emitting speaker, a first welding piece is provided on a surface of the first frame, a second welding piece is provided on a surface of the second frame, and the welding portion is formed on the first welding piece and the second welding piece.

As a further alternative of the double-sided sound-emitting speaker, the inside of the first frame is provided with a first welding piece, the inside of the second frame is provided with a second welding piece, at least one end of the first welding piece is extended out of the first frame to form a first extended end, at least one end of the second welding piece is extended out of the second frame to form a second extended end, at least one of the first extended end and at least one of the second extended end are oppositely arranged to form the welding part.

As a further alternative of the double-sided sound speaker, the first frame is formed with a protruding column, the second frame is formed with a notch, the first protruding end protrudes out of the protruding column, the second protruding end is located in the notch, and the protruding column can be inserted into the notch, so that the first protruding end contacts with the second protruding end.

As a further alternative of the double-sided sound-emitting speaker, the first frame and the second frame are each configured as a hollow rectangular parallelepiped structure, the bosses are provided at four corners of the first frame, and the notches are provided at four corners of the second frame.

As a further alternative of the double-sided sound production speaker, two ends of the first welding piece extend out of the first frame and form two first extending ends, two ends of the second welding piece extend out of the second frame and form two second extending ends, one of the two first extending ends forms the welding portion, the other one forms the first test point, one of the two second extending ends forms the welding portion, and the other one forms the second test point.

As a further alternative of the double-sided sound emitting speaker, the first sound emitting structure includes a first circuit, the second sound emitting structure includes a second circuit, the first bonding pad and the second bonding pad are disposed between the first circuit and the second circuit, and the first circuit and the second circuit are connected by the connection of the bonding portions.

As a further alternative of the double-sided sound-emitting speaker, the first sound-emitting structure further includes a first magnetic circuit system, a first sound film, and a first voice coil, the first voice coil is movably disposed in a magnetic field of the first magnetic circuit system, and the first sound film is covered on the first frame; the second sounding structure further comprises a second magnetic circuit system, a second sound film and a second voice coil, the second voice coil is movably arranged in a magnetic field of the second magnetic circuit system, and the second sound film is covered on the second frame.

As a further alternative of the double-sided sound speaker, the first magnetic circuit system includes first central magnetic steel and two limit magnetic steels respectively located the first central magnetic steel both sides, the second magnetic circuit system includes magnetism frame and second central magnetic steel, the magnetism frame include the roof, certainly the both sides downwardly extending's of roof lateral wall and certainly the lateral wall outside extension's diapire, second central magnetic steel with first central magnetic steel branch is arranged in the both sides of roof, two limit magnetic steel sets up relatively and presss from both sides respectively and establishes first frame with between the second frame, just limit magnetic steel pressfitting is in the top of diapire.

As a further alternative of the dual-sided sound emitting speaker, the first sound emitting structure further includes a first circuit board, and the second sound emitting structure further includes a second circuit board, the first circuit board forming the first circuit, the second circuit board forming the second circuit.

As a further alternative of the dual-surface generating speaker, the first sound-emitting structure further includes a third sound film, the third sound film is disposed opposite to the first sound film, and the third sound film is attached to the first circuit board.

The beneficial effects of the utility model reside in that: because first sound producing structure and second sound producing structure install and enclose the installation intracavity that closes formation by first frame and second frame, and first frame and second frame are because the existence of weld part, form through the laser welding weld part between first frame and the second frame and connect reliably, can improve two-sided sound production speaker's performance, can also reduce the installation degree of difficulty simultaneously, improve the installation effectiveness.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a double-sided sound speaker according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a double-sided sound speaker according to another angle provided by an embodiment of the present invention;

fig. 3 is an exploded schematic view of a dual-sided acoustic speaker according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a first frame of a double-sided sound speaker according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a second frame of a double-sided sound speaker according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a double-sided sound speaker according to an embodiment of the present invention, taken along the length direction thereof;

fig. 7 is a cross-sectional view of a double-sided sound speaker according to an embodiment of the present invention, taken along the width direction thereof;

fig. 8 is a schematic connection diagram of a first circuit and a second circuit of a double-sided sound production speaker according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a double-sided sound production speaker provided by an embodiment of the present invention, the cross-sectional view being along a width direction of the double-sided sound production speaker and including a first welding piece and a second welding piece.

[ detailed description ] embodiments

The present invention will be further described with reference to the accompanying drawings and embodiments.

The embodiment of the utility model provides a two-sided acoustic speaker is provided, this two-sided acoustic speaker makes it satisfy laser welding's condition through redesign to the structure.

Referring to fig. 1-2, the dual-sided sound speaker includes a first sound emitting structure 100, a second sound emitting structure 200, a first frame 300, and a second frame 400.

Wherein, first sound structure 100 is used for the first direction sound production of orientation, second sound structure 200 is used for the second direction sound production of orientation, and first sound structure 100 and second sound structure 200 can adopt traditional mode to design and make, and it can design into plane sound structure, also can design into loudspeaker sound structure to first direction and second direction can be set for according to the demand, and as a preferred scheme, first direction and second direction are two directions that deviate from, in other words, two-sided sound production speaker can be towards opposite direction sound production.

The first frame 300 and the second frame 400 are enclosed to form a mounting cavity, the first sounding structure 100 and the second sounding structure 200 are mounted in the mounting cavity, the corresponding positions of the first frame 300 and the second frame 400 are provided with welding parts A, and the first frame 300 and the second frame 400 are connected through the welding parts A by laser welding.

The embodiment of the utility model provides a because first sound production structure 100 and second sound production structure 200 install and enclose the installation intracavity that closes formation by first frame 300 and second frame 400, and first frame 300 and second frame 400 are because weld part A's existence, form the connection through laser welding weld part A between first frame 300 and the second frame 400, connect reliably, can improve two-sided sound production speaker's performance, can also reduce the installation degree of difficulty simultaneously, improve the installation effectiveness.

In an embodiment, referring to fig. 3-5 in combination, a first welding tab 500 is disposed inside the first frame 300, a second welding tab 600 is disposed inside the second frame 400, at least one end of the first welding tab 500 extends out of the first frame 300 and forms a first extending end 510, at least one end of the second welding tab 600 extends out of the second frame 400 and forms a second extending end 610, and at least one of the first extending end 510 and at least one of the second extending end 610 are disposed opposite to each other to form a welding portion a.

Thus, the first and second protruding ends 510 and 610 provide a basis for laser welding, and when the first and

second frames

300 and 400 are coupled together, the first and

second protruding ends

510 and 610 are coupled together by laser welding.

Specifically, a joint surface is formed between the first frame 300 and the second frame 400, and at least one end of the first welding tab 500 and the second welding tab 600 should protrude from the joint surface, so that the first frame 300 and the second frame 400 can be combined to form the joint surface.

It should be noted that the first protruding end 510 and the second protruding end 610 protruding from the connecting surface are preferably uniformly distributed on the outer circumference of the first frame 300 and the second frame 400 along the circumferential direction, respectively, so that the reliability of the connection between the first frame 300 and the second frame 400 can be improved after the laser welding.

In some embodiments, in order to improve the connection reliability, the other ends of the first welding tab 500 and the second welding tab 600 may also protrude from the connection surface, so that more connection points may be increased to increase the welding area between the first frame 300 and the second frame 400.

In some embodiments, the other ends of the first and

second welding sheets

500 and 600 may also be hidden in the first and

second frames

300 and 600, respectively.

In some embodiments, the other ends of the first welding lug 500 and the second welding lug 600 also respectively protrude from the first frame 300 and the second frame 400, but the protruding direction is different from the aforementioned protruding direction from the connection surface, and taking the first welding lug 500 as an example, the other end of the first welding lug 500 protrudes in the opposite direction to the protruding end from the connection surface to form another first protruding end 510, but the another first protruding end 510 is not used as a welding, and can be used as a first test point C for a user or a factory test. Likewise, the other end of the second soldering terminal 600 may also be protruded in a direction opposite to the one end protruded from the connection face to form another second protruded end 610, and the another second protruded end 610 may be used as the second test point D.

In order to more clearly describe the arrangement of the first and

second welding sheets

500 and 600 and the use thereof, a first frame 300 and a second frame 400 having a specific structure will be described as an example.

Referring to fig. 3-5, the first frame 300 is formed with a protrusion 310, the second frame 400 is formed with a notch 410, the first protrusion end 510 protrudes out of the protrusion 310, the second protrusion end 610 is located in the notch 410, and the protrusion 310 can be inserted into the notch 410, so that the first protrusion end 510 contacts the second protrusion end 610.

In conjunction with the foregoing, the connection surface of the first frame 300 and the second frame 400 is formed by the protruding pillar 310 and the notch 410, in other words, the protruding pillar 310 is inserted into the notch 410 to form the connection surface, where the first protruding end 510 and the second protruding end 610 contacting each other protrude from the connection surface.

Further, the first frame 300 and the second frame 400 are each configured as a hollow rectangular parallelepiped structure, the protruding columns 310 are disposed at four corners of the first frame 300, the notches 410 are disposed at four corners of the second frame 400, and the first frame 300 and the second frame 400 are stacked and combined to form a mounting cavity.

In order to be adapted to the first and

second frames

300 and 400 of this type of structure, at least one end of the first welding tab 500 protrudes from the lower surface of the stud 310 to form a first protruding end 510 as the welding portion a (taking the first and

second frames

300 and 400 as an example of a top-bottom structure, and referring to the top-bottom structure as well as the first and

second frames

300 and 400 described below as an example), at least one end of the second welding tab 600 protrudes from the notch 410 to form a second protruding end 610 as the welding portion a, whereby the first frame 300 can be coupled based on the welding of the first and

second protruding ends

510 and 610.

The other end of the first welding tab 500 may extend from the lower surface of the protruding pillar 310, may extend from the upper surface of the protruding pillar 310 or other positions, and may be hidden in the first frame 300. The other end of the second welding tab 500 may extend from the notch 410, may extend from another position, and may be hidden in the second frame 400.

Take the example that the two ends of the first welding sheet 500 respectively extend out from the upper and lower surfaces of the convex pillar 310, and the two ends of the second welding sheet 600 respectively extend out from the notch 410, at this time, the first welding sheet 500 is designed to have a certain height in the vertical direction, the height of the first welding sheet can be slightly higher than the height of the convex pillar 310 of the first frame 300, the second welding sheet 500 is designed to have a certain length in the horizontal direction, and the length of the second welding sheet can be slightly longer than the length of the second frame 400. At this time, for the first frame 300, the upper and lower surfaces of the stud 310 at the four corners thereof each have a first protruding end 510, the first protruding end 510 at the lower surface is a welding portion a for participating in welding work, and the first protruding end 510 at the upper surface is used as a first test point C; for the second frame 400, there is a second protruding end 610 at each notch 410 at the four corners, all or part of the second protruding end 610 is a welding portion a for participating in welding work, and the other second protruding ends 610 not participating in welding work are used as second test points D.

Of course, in other embodiments, the protruding pillar 310 and the notch 410 may be disposed at other positions, and the protruding pillar 310 and the notch 410 may also be disposed more, so as to further improve the connection reliability of the first frame 300 and the second frame 400.

On the other hand, the first frame 300 and the second frame 400 do not have to be hollow rectangular parallelepiped structures, and it should be understood that when the first frame 300 and the second frame 400 have other shapes, the aforementioned posts 310 and notches 410 may be used on the first frame 300 and the second frame 400 having other shapes.

The first welding tab 500 is disposed in the first frame 300 and the second welding tab 600 is disposed in the second frame 400, and the first frame 300 and the second frame 400 may be manufactured by injection molding. In other embodiments, the first welding sheet 500 may be disposed on a surface of the first frame 300, the second welding sheet 600 may be disposed on a surface of the second frame 400, and the first welding sheet 500 and the second welding sheet 600 form the welding portion a thereon.

Specifically, also taking the aforementioned first frame 300 and second frame 400 having a hollow rectangular parallelepiped structure as an example, it is possible to completely attach the first welding sheet 500 to the surface of the first frame 300 facing the second frame 400, that is, the lower surface of the first frame 300, and it is possible to completely attach the second welding sheet 600 to the surface of the second frame 400 facing the first frame 300, that is, the upper surface of the second frame 400, and at this time, the required welding portion a may be arranged on the first welding sheet 500 and the second welding sheet 600 to achieve the welding of the first frame 300 and the second frame 400.

Referring to fig. 1-3 and 6-7, the first sound emitting structure 100 includes a first circuit 110, the second sound emitting structure 200 includes a second circuit 210, a first bonding pad 500 and a second bonding pad 600 are disposed between the first circuit 110 and the second circuit 210, and the first circuit 110 and the second circuit 210 are connected by a bonding portion a.

As described above, in some embodiments, the first circuit 110 is disposed at the bottom of the first frame 300 and at two ends, the second circuit 210 is disposed at the bottom of the second frame 400, the first soldering tab 500 is connected to the first circuit 110, and the first soldering tab 500 is connected to the second soldering tab 600 by soldering, and the second soldering tab 600 is connected to the second circuit 210, so that the first circuit 110 and the second circuit 210 are connected in a layer-by-layer manner.

Specifically, referring to fig. 3 and 8-9, a first welding sheet 500 penetrates through the upper and lower surfaces of the first frame 300, a second welding sheet 600 penetrates through the left and right ends of the second frame 400, the first circuit 110 and the second circuit 210 are arranged in parallel, the first welding sheet 500 has a bending attachment portion 520 attached to the first circuit 110, the second welding sheet 600 extends to have an extension end 620 attached to the second circuit 210, and the first welding sheet 500 and the second welding sheet 600 are connected together, so that the first circuit 110 and the second circuit 210 can be connected.

In some specific embodiments, the first sound emitting structure 100 further comprises a first circuit board, and the second sound emitting structure 200 further comprises a second circuit board, the first circuit board forming the first circuit 110, the second circuit board forming the second circuit 210.

With continuing reference to fig. 1-3 and fig. 6-7, the first sound-emitting structure 100 further includes a first magnetic circuit system 120, a first diaphragm 130 and a first voice coil 140, the first voice coil 140 is movably disposed in the magnetic field of the first magnetic circuit system 120, and the first diaphragm 130 is covered on the first frame 300; the second sounding structure 200 further includes a second magnetic circuit 220, a second diaphragm 230, and a second voice coil 240, wherein the second voice coil 240 is movably disposed in the magnetic field of the second magnetic circuit 220, and the second diaphragm 230 covers the second frame 400.

Further, taking the first frame 300 and the second frame 400 having the hollow rectangular parallelepiped structure as an example, specifically, the first magnetic circuit system 120 includes the first pole core 123, the first voice coil 140 has a rectangular parallelepiped frame-shaped structure and is disposed on the outer periphery of the first magnetic circuit system 120, so that the first voice coil 140 can vibrate by the magnetic field of the first magnetic circuit system 120, the first voice coil 130 is covered on the upper surface of the first frame 300 and is located above the first voice coil 140, and at this time, the first voice coil 140 vibrates, which causes the first voice coil 130 to vibrate, and thus sounds in the first direction. The second magnetic circuit system 220 includes a second pole core 223 with a polarity opposite to that of the first pole core 123, the second voice coil 240 is a rectangular parallelepiped frame-shaped structure and is disposed on the outer periphery of the second magnetic circuit system 220, so that the second voice coil 240 can vibrate under the magnetic field of the second magnetic circuit system 220, the second voice coil 230 covers the lower surface of the second frame 400 and is located below the second voice coil 240, and at this time, the second voice coil 240 vibrates, so that the second voice coil 230 vibrates, and sounds in the second direction.

Specifically, referring to fig. 3 and fig. 6-7, the first magnetic circuit system 120 includes a first central magnetic steel 121 and two side magnetic steels 122 respectively located at two sides of the first central magnetic steel 121, the second magnetic circuit system 220 includes a magnetic frame 221 and a second central magnetic steel 222, the magnetic frame 221 includes a top wall 2211, side walls 2212 extending downward from two sides of the top wall 2211, and a bottom wall 2213 extending outward from the side walls 2212, the second central magnetic steel 222 and the first central magnetic steel 121 are respectively located at two sides of the top wall 2211, the two side magnetic steels 122 are oppositely disposed and respectively clamped between the first frame 300 and the second frame 400, and the side magnetic steels 122 are pressed above the bottom wall.

In addition, in order to ensure the stability of the vibration of the first and second voice coils 140 and 240, the double-sided sound speaker further includes a stopper structure 700, and the stopper structure 400 is disposed at the outer circumferences of the first and second voice coils 140 and 240.

In an embodiment, for example, taking the first frame 300 and the second frame 400 as an example, after the first frame 300 and the second frame 400 are connected, a gap S (see fig. 1-2) is formed between the first frame 300 and the second frame 400 due to the arrangement of the convex pillar 310, at this time, the gap S can be sufficiently utilized to arrange the limiting structure 700, for example, the limiting structure 700 can be formed by a side magnetic steel 122, the side magnetic steel 122 is arranged between the first frame 300 and the second frame 400 along the length direction, and the inner side of the side magnetic steel extends to abut against the outer walls of the first voice coil 140 and the second voice coil 240, thereby completing the limiting function.

Further, in order to enhance the position limiting effect and protect the edge magnetic steel 122, a position limiting piece 710 may be further disposed on the edge magnetic steel 122, and the position limiting piece 710 may be integrally injection-molded with the bottom frame 300 or the second frame 400, for example, in the example shown in fig. 4, the position limiting piece 710 is integrally molded with the first frame 300.

Of course, in other embodiments, for example, in the embodiment where there is no gap between the first frame 300 and the second frame 400 after they are connected, the structures of the first frame 300 and the second frame 400 themselves may be modified so that the inner sides thereof may directly abut against the outer walls of the first voice coil 140 and the second voice coil 240.

On the other hand, referring to fig. 3, in order to enhance the sound effect, the first sound generating structure 100 further includes a third sound film 150, the third sound film 150 is disposed opposite to the first sound film 130, and the third sound film 150 is attached to the first circuit board.

It can be understood that the third voice coil 150 follows the first circuit board at two ends of the bottom of the first frame 300, and the first voice coil 140 can be limited in all directions by the aforesaid edge magnetic steel 122.

Similarly, the second sounding structure 200 may also include a fourth sound film (not shown), and the specific setting means thereof can refer to the third sound film 150, which is not described herein again.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A dual-sided acoustic speaker, comprising:

a first sounding structure for sounding toward a first direction;

the second sounding structure is used for sounding towards a second direction;

2. The dual-sided sound-emitting speaker of claim 1, wherein: the surface of the first frame is provided with a first welding sheet, the surface of the second frame is provided with a second welding sheet, and the welding part is formed on the first welding sheet and the second welding sheet.

3. The dual-sided sound-emitting speaker of claim 1, wherein: the utility model discloses a welding part, including first frame, second frame, first frame, at least one end of first frame, the inside of first frame is provided with first welding piece, the inside of second frame is provided with second welding piece, at least one end of first welding piece is stretched out first frame to form the first end that stretches out, the at least one end of second welding piece is stretched out the second frame, and forms the second and stretches out the end, at least one first end and at least one of stretching out the second and stretch out the relative setting of end, in order to form the welding part.

4. A dual-sided sound-emitting speaker as claimed in claim 3, wherein: the first frame is provided with a convex column, the second frame is provided with a gap, the first extending end extends out of the convex column, the second extending end is positioned in the gap, and the convex column can be inserted into the gap, so that the first extending end is in contact with the second extending end.

5. The dual-sided sound-emitting speaker of claim 4, wherein: the first frame and the second frame are both constructed into hollow cuboid structures, the convex columns are arranged at four corners of the first frame, and the notches are arranged at four corners of the second frame.

6. A dual-sided sound-emitting speaker as claimed in claim 3, wherein: the two ends of the first welding sheet extend out of the first frame, two first extending ends are formed, the two ends of the second welding sheet extend out of the second frame, two second extending ends are formed, one of the two first extending ends forms the welding portion, the other first extending end forms a first test point, one of the two second extending ends forms the welding portion, and the other second extending end forms a second test point.

7. A dual-sided sound-emitting speaker as claimed in claim 3, wherein: the first sound production structure comprises a first circuit, the second sound production structure comprises a second circuit, the first welding piece and the second welding piece are arranged between the first circuit and the second circuit, and the first circuit and the second circuit are connected through connection of the welding parts.

8. The dual-sided sound-emitting speaker of claim 7, wherein: the first sounding structure further comprises a first magnetic circuit system, a first sound film and a first voice coil, the first voice coil is movably arranged in a magnetic field of the first magnetic circuit system, and the first sound film is covered on the first frame; the second sounding structure further comprises a second magnetic circuit system, a second sound film and a second voice coil, the second voice coil is movably arranged in a magnetic field of the second magnetic circuit system, and the second sound film is covered on the second frame.

9. The dual-sided sound-emitting speaker of claim 8, wherein: the first magnetic circuit system comprises first central magnetic steel and two edge magnetic steels respectively positioned on two sides of the first central magnetic steel, the second magnetic circuit system comprises a magnetic frame and second central magnetic steel, the magnetic frame comprises a top wall, a side wall extending downwards from two sides of the top wall and a bottom wall extending outwards from the side wall, the second central magnetic steel and the first central magnetic steel are respectively arranged on two sides of the top wall, the two edge magnetic steels are oppositely arranged and respectively clamped between the first frame and the second frame, and the edge magnetic steels are pressed and connected above the bottom wall.

10. The dual-sided sound-emitting speaker of claim 8, wherein: the first sound production structure further comprises a first circuit board, the second sound production structure further comprises a second circuit board, the first circuit board forms the first circuit, and the second circuit board forms the second circuit.

11. The dual-sided sound-emitting speaker of claim 10, wherein: the first sounding structure further comprises a third sound film, the third sound film and the first sound film are arranged oppositely, and the third sound film and the first circuit board are attached to each other.