CN212727403U - Loudspeaker - Google Patents

Abstract

The utility model discloses a loudspeaker, the loudspeaker includes shell, vibration system and magnetic circuit, the vibration system includes vibrating diaphragm and voice coil loudspeaker voice coil that drives the vibrating diaphragm vibration, the magnetic circuit includes the yoke, sets up in the central magnetic circuit structure and the limit magnetic circuit structure of yoke top; the loudspeaker further comprises a magnetic conduction shell, the magnetic conduction shell comprises a substrate and a side plate connected to the substrate, the substrate is connected to the bottom of the magnetic yoke, the side plate is arranged around the periphery of the side magnetic circuit structure and connected with the shell, and the side plate is provided with a sound outlet. The utility model discloses the curb plate of magnetic conduction shell encloses the periphery of locating limit magnetic structure and is connected with the shell to including wrapping up magnetic circuit with the shell cooperation, playing the guard action to its internal component promptly, can reach shielding effect again, reduce the magnetic leakage volume, improve the acoustics performance of product, and do not influence its peripheral device when this speaker is used for the complete machine, optimize the complete machine performance.

Description

Loudspeaker

Technical Field

The utility model relates to an acoustics device technical field, in particular to speaker.

Background

A speaker is a transducer for converting an electrical signal into an acoustic signal, and is widely used in electronic products such as mobile phones, computers, earphones, and the like. The micro-speaker is generally composed of a vibration system, a magnetic circuit system and a supporting system, wherein, after the magnetic circuit system and a shell and other structural components are assembled, a naked sound hole is formed, and no shielding structure is arranged at the periphery of the magnetic circuit system, so that the magnetic flux leakage quantity around the product is higher, the acoustic performance of the product is influenced, and when the micro-speaker is used for a complete machine, the speaker influences peripheral components due to the higher magnetic flux leakage quantity.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a loudspeaker aims at solving the problem that the loudspeaker magnetic leakage volume is on the high side among the prior art.

In order to achieve the above object, the present invention provides a speaker, which includes a housing, a vibration system and a magnetic circuit system, wherein the vibration system includes a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate, and the magnetic circuit system includes a magnetic yoke, a central magnetic circuit structure and a side magnetic circuit structure, which are disposed above the magnetic yoke;

the loudspeaker further comprises a magnetic conduction shell, the magnetic conduction shell comprises a substrate and a side plate connected to the substrate, the substrate is connected to the bottom of the magnetic yoke, the side plate is arranged around the periphery of the side magnetic circuit structure and connected with the shell, and the side plate is provided with a sound outlet.

Preferably, the side plate includes a plurality of folded edges, the folded edges are arranged at intervals along the periphery of the base plate, the sound outlet hole is formed between any two adjacent folded edges, and the folded edges are connected with the housing.

Preferably, the folded edge is formed by turning over the edge of the bottom plate upwards, and the top of the folded edge is connected with the bottom of the shell.

Preferably, the substrate is of a rectangular structure, the number of the folded edges is four, two of the folded edges are oppositely arranged on two short axis sides of the substrate, the other two folded edges are oppositely arranged on two long axis sides of the substrate, four sound holes are formed between the four folded edges, and the four sound holes are correspondingly arranged with four corners of the substrate one to one.

Preferably, the side plate is a closed ring-shaped structure arranged along the periphery of the substrate, the side plate is formed with a plurality of sound emitting areas arranged at intervals, a plurality of micropores arranged at intervals are formed in positions on the side plate corresponding to the sound emitting areas, and the micropores form the sound emitting holes.

Preferably, the side plate is a rectangular ring structure, and sound emitting areas are formed on two long shaft sides and two short shaft sides of the side plate;

the sound emitting region on the long axis side of the base plate is a first sound emitting region extending from one corner to the other corner of the side plate;

the sound emitting areas on the short-axis side of the substrate are two second sound emitting areas, one of the two second sound emitting areas is arranged close to one corner of the side plate, and the other second sound emitting area is arranged close to the other corner of the side plate.

Preferably, the substrate has a hollow area, and the bottom of the magnetic yoke is connected to the edge of the hollow area.

Preferably, the magnetic guide shell is of an integrated structure, or the magnetic guide shell is of a split structure connected with each other.

Preferably, the side magnetic structure includes an annular side magnet and an annular side magnetic conductive plate disposed above the annular side magnet, the casing and the side magnetic conductive plate are of an integrally formed structure, the side magnetic conductive plate is connected to the inner side of the casing, a connection section is formed in a region where the side magnetic conductive plate is connected to the casing, and a gap is defined by the connection section, the side magnetic conductive plate and the casing;

the loudspeaker further comprises an elastic support member positioned below the diaphragm; the vibrating diaphragm with be connected with the skeleton between the elastic support piece, the skeleton is including locating the vibrating diaphragm with lateral wall between the elastic support piece, the lateral wall is located in the clearance.

Preferably, the elastic support member includes a centering branch piece, the centering branch piece includes an annular outer fixing portion and an annular inner supporting portion connected to the inside of the annular outer fixing portion, the side wall is connected with the inner supporting portion, and the outer fixing portion is fixed between the outer shell and the side plate.

The technical scheme of the utility model in, the speaker is provided with leads the magnetism shell, and in this magnetic conduction shell, curb plate and base plate formation shelly lead the magnetism shell, shell and magnetic conduction shell relative arrangement from top to bottom enclose into the shell structure who accepts vibration system and magnetic circuit. The side plate of the magnetic conduction shell is surrounded on the periphery of the magnetic circuit structure on the side and is connected with the shell, so that the magnetic circuit system is wrapped in the shell, the internal components of the magnetic conduction shell are protected, the shielding effect can be achieved, the magnetic leakage amount is reduced, the acoustic performance of the product is improved, peripheral devices of the loudspeaker are not affected when the loudspeaker is used for a complete machine, and the performance of the complete machine is optimized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an assembly view of a speaker according to an embodiment of the present invention at a viewing angle;

fig. 2 is an assembly view of a speaker according to another perspective of the present invention;

fig. 3 is an exploded view of a speaker according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a speaker according to an embodiment of the present invention;

fig. 5 is another schematic cross-sectional view of a speaker according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a magnetic conductive shell in a speaker according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a magnetic conductive shell in a speaker according to another embodiment of the present invention;

fig. 8 is a schematic perspective view of a magnetic conductive shell of a speaker according to an embodiment of the present invention in a split structure;

fig. 9 is a schematic perspective view of a magnetic conductive shell of a speaker according to another embodiment of the present invention in a split structure;

fig. 10 is a schematic view illustrating an assembly of a yoke and a housing in a speaker according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The present invention is described in the directions of "front", "rear", "left", "right", etc. with reference to the direction shown in fig. 7, and is only used to explain the relative positional relationship between the respective parts in the posture shown in fig. 7, and if the specific posture is changed, the directional indication is also changed accordingly.

The utility model provides a loudspeaker.

As shown in fig. 1 to 7, the speaker 100 includes a housing 10, a vibration system 20, and a magnetic circuit system 30, wherein the vibration system 20 includes a diaphragm 21 and a voice coil 22 for driving the diaphragm 21 to vibrate, and the magnetic circuit system 30 includes a yoke 31, a central magnetic circuit structure 32 and a side magnetic circuit structure 33 disposed above the yoke 31; the loudspeaker 100 further comprises a magnetic conduction shell 80, the magnetic conduction shell 80 comprises a substrate 81 and a side plate 82 connected to the substrate 81, the substrate 81 is connected to the bottom of the magnetic yoke 31, the side plate 82 surrounds the periphery of the side magnetic structure 33 and is connected with the housing 10, and the side plate 82 is provided with a sound outlet 822.

The side magnetic structure 33 of the present embodiment surrounds the periphery of the central magnetic structure 32 and forms a magnetic gap 34, the voice coil 22 is suspended in the magnetic gap 34, the magnetic gap 34 between the side magnetic structure 33 and the central magnetic structure 32 generates a magnetic field, and the voice coil 22 performs a reciprocating magnetic line-cutting motion in the magnetic gap 34 to drive the diaphragm 21 to vibrate, thereby driving the air to sound and completing the energy conversion between the electricity and the sound.

The speaker 100 of the present embodiment is provided with a magnetic conductive case 80, in which the side plate 82 and the substrate 81 form a magnetic conductive case 80 in a case shape, and the enclosure 10 and the magnetic conductive case 80 are arranged vertically opposite to each other to enclose a housing structure for accommodating the vibration system 20 and the magnetic circuit system 30. The base plate 81 of the magnetic conductive case 80 is connected to the bottom of the yoke 31, the bottom end of the side plate 82 is connected to the base plate 81, the top end of the side plate 82 is connected to the housing 10, and the sound outlet 822 of the side plate 82 realizes normal sound output of the speaker 100. The side plate 82 surrounds the periphery of the side magnetic structure 33 and is connected with the shell 10, so that the side plate is matched with the shell 10 to wrap the magnetic circuit system 30, namely, the internal components of the side plate are protected, the shielding effect can be achieved, the magnetic leakage quantity is reduced, the acoustic performance of the product is improved, and peripheral devices of the loudspeaker 100 are not influenced when the loudspeaker is used for a complete machine, and the performance of the complete machine is optimized.

In one embodiment, as shown in fig. 1 to 3 and 6, the side plate 82 includes a plurality of folded edges 821, the plurality of folded edges 821 are spaced along the outer circumference of the substrate 81, a sound hole 822 is formed between any two adjacent folded edges 821, and the folded edges 821 are connected to the housing 10. The flange 821 extends upward from the base 81, and the top end of the flange 821 is connected to the bottom of the housing 10. The plurality of folds 821 are spaced along the outer periphery of the base 81 to surround the outer periphery of the magnetic circuit system 30, thereby reducing the amount of leakage flux. Since the plurality of folded edges 821 are provided at intervals along the outer circumference of the base plate 81, the side plate 82 is formed to be intermittently provided in stages. Any adjacent two of the folded edges 821 in the side plate 82 form a gap, namely, the sound outlet 822, so as to realize normal sound production of the loudspeaker 100.

Further, a folded edge 821 is formed by folding the edge of the bottom plate upward, and the top of the folded edge 821 is connected to the bottom of the housing 10. It will be appreciated that the flange 821 is integrally formed on the base plate, the edge of the base plate being turned upwardly to form the flange 821, the flange 821 extending upwardly and being connected to the bottom of the housing 10. The folding edge 821 and the substrate 81 are of an integrated structure, the structure is compact, the assembly process and the assembly gap are omitted, and the assembly error is avoided.

Further, the substrate 81 has a rectangular structure, and the number of the folds 821 is four, wherein two folds 821 are oppositely arranged on two short axes 825 of the substrate 81, and the other two folds 821 are oppositely arranged on two long axes 824 of the substrate 81, that is, two folds 821 are oppositely arranged around the substrate 81, and four sound holes 822 are formed between the four folds 821. Four sound holes 822 and four corners one-to-one of base plate 81 arrange, namely, the curb plate 82 of leading magnetic shell 80 has four sound holes 822, locates four corners of base plate 81 separately, makes things convenient for diversified sound, improves the acoustics performance of product.

In another embodiment, as shown in fig. 7, the side plate 82 is a closed ring-shaped structure disposed along the periphery of the substrate 81, the side plate 82 is formed with a plurality of sound emitting areas 823 arranged at intervals, a plurality of micropores 8231 arranged at intervals are opened on the side plate 82 corresponding to the positions of the sound emitting areas 823, and the micropores 8231 form sound emitting holes 822. In this embodiment, the side plate 82 has a closed ring structure, so as to surround the magnetic circuit system 30 in all directions, thereby further reducing the amount of leakage flux. The side plate 82 is provided with a plurality of sound emitting areas 823, each sound emitting area 823 is provided with a plurality of micropores 8231 arranged at intervals, and the micropores 8231 form sound emitting holes 822, so that normal sound emitting of the loudspeaker 100 is realized. In a preferred embodiment, the size of the micro-holes 8231 is smaller than the size of the sound-absorbing particles, so that the rear cavity of the loudspeaker 100 module is completely filled with the sound-absorbing particles.

Further, the side plate 82 is a rectangular ring structure, and sound emitting areas 823 are formed on two long axis 824 sides and two short axis 825 sides of the side plate 82; a sound emission region 823 located on the long axis 824 side of the substrate 81 is a first sound emission region 823, and the first sound emission region 823 extends from one corner to the other corner of the side plate 82; the sound emission area 823 on the minor axis 825 side of the substrate 81 is the second sound emission area 823, the number of the second sound emission areas 823 is two, one of the second sound emission areas 823 is provided near one corner of the side plate 82, and the other second sound emission area 823 is provided near the other corner of the side plate 82.

As shown in fig. 7, four corners are formed around the side plate 82, and the first sound emission region 823 extends in the front-rear direction and extends from the front side corner of the side plate 82 to the rear side corner of the substrate 81, that is, the minor axis 825 side of the side plate 82 is spread with a plurality of micropores 8231. The number of the second sound emitting areas 823 is two, one of the second sound emitting areas 823 is disposed near a left corner of the side plate 82, and the other second sound emitting area 823 is disposed near a right corner of the side plate 82, that is, the micro holes 8231 measured along the major axis 824 of the side plate 82 are disposed in a segmented manner, so as to substantially keep balance with the distribution of the micro holes 8231 along the minor axis 825, improve the uniformity of sound emission around the speaker 100, and further improve the acoustic performance of the product.

The substrate 81 of the present embodiment has a hollow area 811, and the bottom of the yoke 31 is connected to the edge of the hollow area 811. The hollow area 811 is arranged on the substrate 81 of the magnetic conduction shell 80, which can play a role of reducing weight, in addition, the bottom of the magnetic yoke 31 is connected with the edge of the hollow area 811, thereby realizing the nesting design of the bottom of the magnetic yoke 31 and the magnetic conduction shell 80, saving the internal space when the loudspeaker 100 is used for the whole machine,

the magnetic conductive shell 80 is an integral structure, or the magnetic conductive shell 80 is a split structure connected with each other. As shown in fig. 6 and 7, the magnetic conductive casing 80 of the present embodiment has an integrated structure, and has a compact structure, which omits an assembly process and an assembly gap, and avoids assembly errors. In other embodiments, the magnetic conductive shell 80 is a split structure connected with each other, so that the manufacturing is convenient and the assembly mode is flexible. For example, as shown in fig. 8, the magnetic conductive shell 80 has a two-segment split structure; as shown in fig. 9, the magnetic conductive casing 80 is a four-segment split structure. The structure of the magnetic conductive shell 80 of the present embodiment can be flexibly set according to actual conditions.

In this embodiment, the side magnetic structure 33 includes an annular side magnet 331 and an annular side magnetic conductive plate 332 disposed above the annular side magnet 331, the casing 10 and the side magnetic conductive plate 332 are integrally formed, the side magnetic conductive plate 332 is connected to the inside of the casing 10, a connection section 12 is formed in a connection region between the side magnetic conductive plate 332 and the casing 10, and a gap is defined between the connection section 12, the side magnetic conductive plate 332 and the casing 10.

As shown in fig. 3 to 5, the side magnetic structure 33 is an annular structure, the side magnetic structure 33 of the annular structure surrounds the periphery of the central magnetic structure 32, and an annular magnetic gap 34 is formed between the side magnetic structure 33 and the central magnetic structure 32, matching with the shape of the voice coil 22, and improving the vibration stability of the voice coil 22.

Specifically, the central magnetic structure 32 includes a central magnet 321 and a central magnetic conductive plate 322 disposed above the central magnet 321, and the central magnetic conductive plate 322 can modify the magnetic force emitted from the central magnet 321. The magnetic structure 33 includes a ring-shaped edge magnet 331 and a ring-shaped edge magnetic plate 332 disposed above the ring-shaped edge magnet 331, wherein the ring-shaped edge magnetic plate 332 can modify the magnetic force generated by the ring-shaped edge magnet 331. In an embodiment, the side magnetic plate 332 and the casing 10 are integrally formed, so that the structure is compact, the assembling process and the assembling gap are omitted, and the assembling error is avoided. In other embodiments, the side magnetic plate 332 and the casing 10 may be connected to each other in a split structure, which is convenient to manufacture and flexible in assembly.

It should be noted that, in order to prevent the short circuit between the conductive wire and the pad in the housing 10, the edge magnet 331 and the speaker 100, and ensure the safety of the product, the surfaces of the housing 10 and the edge magnetic conductive plate 332 of the present invention are covered with an insulating material layer.

The side magnetic conductive plate 332 is connected to the inner side of the casing 10, a connection section 12 is formed in a region where the side magnetic conductive plate 332 is connected to the casing 10, and a gap is defined between the connection section 12, the side magnetic conductive plate 332, and the casing 10. Specifically, as shown in fig. 10, the casing 10 and the side magnetic conductive plate 332 are both rectangular ring structures, and the directions of the long side and the short side of the casing 10 and the short side are the same. The connecting section 12 is located at the middle position of the long side of the side magnetic conductive plate 332 and the housing 10, and a gap is defined between the connecting section 12, the side magnetic conductive plate 332 and the housing 10, further, the gap can be divided into a first gap 11 and a second gap 50 which are mutually communicated, wherein the first gap 11 is arranged corresponding to the long side of the housing 10, and the second gap 50 is arranged corresponding to the short side of the housing 10. Yoke 31 has turn-ups structure 311, and turn-ups structure 311 cooperates with first clearance 11 joint, realizes the assembly of shell 10 and yoke 31, and structural design is nimble, ingenious. The housing 10 of the present embodiment may be a metal housing.

In this embodiment, the speaker 100 further includes an elastic support member 40 located below the diaphragm 21; a skeleton 60 is connected between the diaphragm 21 and the elastic support member 40, the skeleton 60 includes a sidewall 61 disposed between the diaphragm 21 and the elastic support member 40, and the sidewall 61 is located in the gap, specifically, the sidewall 61 is located in the second gap 50.

As shown in fig. 4 and 5, the diaphragm 21 is disposed on the top of the housing 10, the elastic support member 40 is disposed below the diaphragm 21, and the elastic support member 40 is connected to the diaphragm 21 through a skeleton 60 and disposed opposite to the diaphragm 21 for elastically supporting the vibration system 20. The top of the frame 60 is connected to the diaphragm 21, and the bottom of the frame 60 is connected to the elastic support member 40. When the voice coil 22 drives the diaphragm 21 to vibrate, the skeleton 60 connected with the diaphragm 21 and the elastic support member 40 vibrate synchronously, so that the anti-polarization performance of the vibration system 20 is effectively improved, and the acoustic performance of the product is further improved. The second gap 50 is formed between the housing 10 and the side magnetic structure 33, the side wall 61 of the frame 60 is located in the second gap 50 to facilitate vibration, and the second gap 50 provides a vibration space for the frame 60.

The elastic supporting member 40 of the present embodiment includes a centering branch piece 70, the centering branch piece 70 includes an annular outer fixing portion 71 and an annular inner supporting portion 72 connected to the inside of the annular outer fixing portion 71, the side wall 61 of the frame 60 is connected to the inner supporting portion 72, and the outer fixing portion 71 is fixed between the housing 10 and the side plate 82.

The side wall 61 of the frame 60 is connected to the inner support portion 72 of the centering leg 70, and the inner support portion 72 is elastically deformed in the vibration process of the frame 60 and vibrates in synchronization with the frame 60. Due to the elastic deformation of the inner support part 72 of the centering disk 70, the centering disk 70 is not broken in the vibration process, the use reliability of the product is improved, the centering disk 70 can also perform the centering function on the vibration system 20, the polarization of the vibration system 20 is inhibited, and the acoustic performance of the product is improved. The base plate 81 of the magnetic conduction shell 80 is fixed with the bottom of the magnetic yoke 31, the side plate 82 is formed by turning the edge of the base plate 81 upwards, the base plate 81 is of a hollow structure, and the weight reduction effect is good. The side plates 82 and the substrate 81 form a shell-shaped magnetic conductive shell 80, the housing 10 and the magnetic conductive shell 80 are arranged opposite to each other up and down to form a shell for accommodating the vibration system 20 and the magnetic circuit system 30, and the outer fixing portion 71 of the centering chip 70 is fixed between the housing 10 and the side plates 82 of the magnetic conductive shell 80, so that the centering chip 70, the housing 10 and the magnetic conductive shell 80 are assembled.

As shown in fig. 3 to fig. 5, the elastic supporting member 40 of this embodiment further includes two balance diaphragms 41, the two balance diaphragms 41 are respectively disposed corresponding to two short shafts 825 of the side magnetic conductive plate 332, two sides of the balance diaphragm 41 are respectively connected to the frame 60 and the centering support plate 70, when the speaker 100 works, the diaphragm 21, the frame 60 and the balance diaphragm 41 synchronously vibrate, the balance diaphragm 41 assists and reinforces the vibration of the diaphragm 21, the vibration performance of the vibration system 20 is effectively increased, and the acoustic performance of the product is further improved.

The diaphragm 21 of the present embodiment includes a central portion 211, a corrugated portion 212, and an edge portion 213 sequentially arranged from inside to outside, wherein the top of the frame 60 is adhered to the central portion 211, and the edge portion 213 extends downward from the corrugated portion 212 and is fixed to the outside of the metal shell 10. The central portion 211 of this embodiment includes an inner ring portion formed by inward extension of the inner edge of the loop portion 212 and a reinforcement portion (dome) compounded on the inner ring portion, the top portion of the frame 60 is bonded to the central portion 211, and specifically, the frame 60 is connected to both the inner ring portion and the reinforcement portion. The bottom of the frame 60 is bonded to one side of the balance diaphragm 41, the voice coil 22 is located below the central portion 211 and bonded to the top of the frame 60, and the edge portion 213 is in a flange structure 311, extends downward from the outer side of the flange portion 212 and is fixed to the outer side of the housing 10, so that the diaphragm 21, the housing 10, the voice coil 22, the frame 60 and the balance diaphragm 41 are assembled. The voice coil 22 drives the diaphragm 21, the balance diaphragm 41, and the bobbin 60 to vibrate synchronously.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims (10)

1. A loudspeaker comprises a shell, a vibration system and a magnetic circuit system, wherein the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate, and the loudspeaker is characterized in that the magnetic circuit system comprises a magnetic yoke, a central magnetic circuit structure and a side magnetic circuit structure, wherein the central magnetic circuit structure and the side magnetic circuit structure are arranged above the magnetic yoke;

the loudspeaker further comprises a magnetic conduction shell, the magnetic conduction shell comprises a substrate and a side plate connected to the substrate, the substrate is connected to the bottom of the magnetic yoke, the side plate is arranged around the periphery of the side magnetic circuit structure and connected with the shell, and the side plate is provided with a sound outlet.

2. The loudspeaker of claim 1, wherein said side panel includes a plurality of flanges spaced along the periphery of said base panel, said sound outlet being formed between any adjacent two of said flanges, said flanges being connected to said enclosure.

3. The loudspeaker of claim 2 wherein said flap is formed by an edge of said bottom panel folded upwardly, a top of said flap being connected to a bottom of said enclosure.

4. The loudspeaker of claim 3, wherein the substrate has a rectangular structure, the number of the folds is four, two of the folds are oppositely arranged on two short axis sides of the substrate, the other two folds are oppositely arranged on two long axis sides of the substrate, four sound outlet holes are formed between the four folds, and the four sound outlet holes are arranged in one-to-one correspondence with four corners of the substrate.

5. The loudspeaker of claim 1, wherein the side plate is a closed ring-shaped structure disposed along the periphery of the substrate, the side plate is formed with a plurality of sound emitting areas arranged at intervals, a plurality of micro holes arranged at intervals are formed on the side plate at positions corresponding to the sound emitting areas, and the micro holes form the sound emitting holes.

6. The speaker of claim 5, wherein the side plate has a rectangular ring-shaped structure, and sound emitting areas are formed on both long axis sides and both short axis sides of the side plate;

the sound emitting region on the long axis side of the base plate is a first sound emitting region extending from one corner to the other corner of the side plate;

the sound emitting areas on the short-axis side of the substrate are two second sound emitting areas, one of the two second sound emitting areas is arranged close to one corner of the side plate, and the other second sound emitting area is arranged close to the other corner of the side plate.

7. The speaker of any one of claims 1-6, wherein the substrate has a hollowed-out region, and a bottom of the yoke connects to an edge of the hollowed-out region.

8. The loudspeaker according to any one of claims 1 to 6, wherein the magnetic conductive shell is of a one-piece construction, or wherein the magnetic conductive shell is of a split construction connected to each other.

9. The loudspeaker according to any one of claims 1 to 6, wherein the side magnetic structure comprises an annular side magnet and an annular side magnetic plate disposed above the annular side magnet, the enclosure and the side magnetic plate are of an integrally formed structure, the side magnetic plate is connected to the inside of the enclosure, and a region where the side magnetic plate is connected to the enclosure forms a connecting section, and a gap is defined between the connecting section, the side magnetic plate and the enclosure;

the loudspeaker further comprises an elastic support member positioned below the diaphragm; the vibrating diaphragm with be connected with the skeleton between the elastic support piece, the skeleton is including locating the vibrating diaphragm with lateral wall between the elastic support piece, the lateral wall is located in the clearance.

10. The loudspeaker of claim 9 wherein said resilient support comprises a spider comprising an annular outer fixing portion and an annular inner support portion connected inside said annular outer fixing portion, said side wall being connected to said inner support portion, said outer fixing portion being fixed between said enclosure and said side plate.

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