CN120343473A - Sound unit and electronic equipment - Google Patents

Abstract

The present invention discloses a sound-generating unit and an electronic device, and relates to the field of electroacoustic conversion technology. The sound-generating unit includes a sound basin, a voice coil and a supporting structure. The cone of the sound basin is provided with a first connection position and a second connection position from the inside to the outside, and the area between the first connection position and the second connection position on the cone is a supporting area; the end of the voice coil is connected to the first connection position; the supporting structure includes a plurality of supporting walls, and the plurality of supporting walls are sequentially connected end to end along the circumferential direction to form a polyhedral annular closed supporting structure, and any two adjacent supporting walls are connected to form an edge; the two ends of the supporting structure along the first direction are respectively sleeved outside the supporting area and connected to the second connection position and sleeved outside the voice coil and connected to the outer wall of the voice coil. The present invention can effectively enhance the strength of the vibration system of the sound-generating unit, reduce the degree of split vibration when the sound basin vibrates, avoid sound distortion, improve the fidelity of the sound, avoid affecting the smoothness of the frequency response, optimize the sensitivity curve, and improve the acoustic performance.

Description

Sounding monomer and electronic equipment

Technical Field

The invention relates to the technical field of electroacoustic conversion, in particular to a sounding monomer and electronic equipment.

Background

At present, when an audio signal is applied to a sounding monomer, such as a loudspeaker monomer, a voice coil makes a motion of cutting a magnetic induction line in a magnetic gap, the voice coil pushes a cone to vibrate and sound, and in an ideal state, a vibrating system of the sounding monomer is considered to perform piston motion, but in a practical situation, the cone is not a complete rigid body structure, deformation is generated when the cone moves, the vibration propagates from the center to the edge of the cone, namely, the vibration propagates from the center to the edge, the encountered folded ring is reflected back and then interferes with other vibration waveforms, and when the frequency reaches a certain value, the mutual interference of the vibration waveforms can cause regional vibration of the cone, namely, the segmentation vibration.

The negative effects of the split vibration on the acoustic performance of the sounding monomer are very large and are mainly expressed in the following aspects that (1) the split vibration can cause sound distortion so that the sound of the sounding monomer is not accurately represented and the acoustic performance is poor, (2) the split vibration can damage the fidelity of the sound so that the tone quality of the sounding monomer is reduced and the acoustic performance is influenced, and (3) the split vibration can cause abnormal vibration of the sounding monomer under certain frequencies so that the smoothness of frequency response is influenced and the acoustic performance is influenced.

Disclosure of Invention

The invention mainly aims to provide a sounding monomer and electronic equipment, and aims to solve the technical problem that the existing sounding monomer is poor in acoustic performance.

In order to achieve the above object, the present invention provides a sounding monomer including:

The cone comprises a cone body and a folding ring connected to the outer edge of the cone body, a first connecting position and a second connecting position are arranged on the cone body from inside to outside at intervals, and a supporting area is arranged in the area between the first connecting position and the second connecting position on the cone body;

The end part of the voice coil is connected with the first connecting position and is used for driving the cone to vibrate along the first direction;

the voice coil comprises a support structure, wherein the support structure comprises a plurality of support walls, the support walls are sequentially connected end to end along the circumferential direction to form the support structure which is closed in a polyhedral annular shape, and two adjacent support walls are connected to form edges, two ends of the support structure along the first direction are respectively provided with a first end and a second end, the first end is sleeved outside the support area and connected with the second connecting position, and the second end is sleeved outside the voice coil and connected with the outer wall of the voice coil.

In an embodiment, the position of each supporting wall corresponding to the first end is a first arc-shaped edge which is matched with the shape of the outer wall surface of the cone and protrudes towards the direction of the voice coil, any two adjacent first arc-shaped edges are connected at the edge, and the first arc-shaped edges are continuously attached to the outer wall surface of the cone along the circumferential direction.

In an embodiment, any two adjacent first arc edges are connected at the corresponding edges to form corners, and the corners are located at the same height of the cone along the first direction, so that the first arc edges are sequentially connected circumferentially to form the end edge of the first end of the skirt shape.

In one embodiment, the cone is a circular cone, the diameter of the outer edge of the large end of the cone is d1, and the diameter of the outer wall surface of the cone where the second connecting position is located corresponds to the corner, and d2 is d 1/3≤d2≤2d1/3.

In one embodiment, a plurality of the corners are evenly spaced apart circumferentially;

And/or the number of the groups of groups,

Any two adjacent first arc edges are symmetrically distributed relative to the corresponding edges.

In an embodiment, the second end of each supporting wall is a second arc edge matched with the shape of the outer wall surface of the voice coil, any two adjacent second arc edges are connected at the edge, and the second arc edges are continuously attached to the outer wall surface of the voice coil along the circumferential direction.

In an embodiment, the plurality of second arc edges are connected end to end in turn in the circumferential direction to form a full-circular end edge of the second end, and the height of the end edge of the second end is uniform along the first direction.

In one embodiment, the number of support walls is n, wherein n is an odd number greater than 1.

In one embodiment, the end face of the first end is an inclined face matched with the outer wall face of the cone;

And/or the number of the groups of groups,

The end face of the second end is an inclined face matched with the outer wall face of the voice coil.

In an embodiment, the sound generating unit further comprises a centering support piece, wherein the inner edge of the centering support piece is connected with the outer wall of the voice coil at a position close to the end part, and the second end is connected to the outer wall of the voice coil at a position between the inner edge of the centering support piece and the end part.

In an embodiment, the distance between the inner edge of the centering support and the end along the first direction is L1, and the distance between the second end and the end along the first direction is L2, wherein L1/3 is less than or equal to L2< L1.

In one embodiment, each supporting wall is a uniform thickness supporting wall, and the thickness of a plurality of supporting walls is uniform;

Wherein the thickness of the supporting wall is h1, and the thickness of the cone is h2, wherein h1 is more than or equal to h2.

In one embodiment, the cone forms a convex part which protrudes towards the direction far away from the voice coil corresponding to the area in the voice coil, the supporting structure is an integrally formed part, the first end is adhered with the first connecting position, and the second end is adhered with the outer wall of the voice coil;

And/or the number of the groups of groups,

The cone corresponds the region in the voice coil loudspeaker voice coil forms the through-hole, the through-hole enclosing cover is equipped with the dustproof cap, bearing structure with the cone is integrated into one piece finished piece.

The invention also provides electronic equipment, and the electronic equipment is applied with the sounding monomer.

In the technical scheme of the invention, the cone, the voice coil and the supporting structure are mutually connected to form the vibrating system of the sounding monomer, and the supporting area of the cone, each supporting wall of the supporting structure and the voice coil enclose a stable structure with a triangular vertical section, so that the strength of the vibrating system of the sounding monomer can be effectively enhanced, the segmentation vibration degree of the cone during vibration can be reduced, the negative influence caused by segmentation vibration can be further reduced, the sound distortion can be avoided, the fidelity of the sound can be improved, the smoothness of the frequency response can be avoided, the sensitivity curve can be optimized, and the acoustic performance can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic front view of a sounding monomer according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a sound emitting unit according to an embodiment of the present invention;

FIG. 3 is a schematic illustration of the structure of FIG. 2;

fig. 4 is a schematic plan view of a support structure in a sound emitting unit according to an embodiment of the present invention.

Reference numerals illustrate:

100. A sounding monomer; 10, cone, 11, cone, 111, first connection position, 112, second connection position, 113, support area, 114, protruding part, 12, folded ring, 20, voice coil, 21, end, 30, support structure, 31, support wall, 32, edge, 33, first end, 34, second end, 35, first arc edge, 36, corner, 37, second arc edge, 40, centering support piece, 50, center magnet, 60, U iron, 70, magnetic gap.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present invention), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

At present, when an audio signal is applied to a sounding monomer, such as a loudspeaker monomer, a voice coil makes a motion of cutting a magnetic induction line in a magnetic gap, the voice coil pushes a cone to vibrate and sound, and in an ideal state, a vibrating system of the sounding monomer is considered to perform piston motion, but in a practical situation, the cone is not a complete rigid body structure, deformation is generated when the cone moves, the vibration propagates from the center to the edge of the cone, namely, the vibration propagates from the center to the edge, the encountered folded ring is reflected back and then interferes with other vibration waveforms, and when the frequency reaches a certain value, the mutual interference of the vibration waveforms can cause regional vibration of the cone, namely, the segmentation vibration.

The negative effects of the split vibration on the acoustic performance of the sounding monomer are very large and are mainly expressed in the following aspects that (1) the split vibration can cause sound distortion so that the sound of the sounding monomer is not accurately represented and the acoustic performance is poor, (2) the split vibration can damage the fidelity of the sound so that the tone quality of the sounding monomer is reduced and the acoustic performance is influenced, and (3) the split vibration can cause abnormal vibration of the sounding monomer under certain frequencies so that the smoothness of frequency response is influenced and the acoustic performance is influenced.

In order to solve the above problems, the present invention provides a sounding monomer and an electronic device.

As shown in fig. 1,2 and 4, in an embodiment, the sound generating unit 100 includes a cone 10, a voice coil 20 and a support structure 30, where the cone 10 includes a cone 11 and a ring 12 connected to an outer edge of the cone 11, the cone 11 is provided with a first connection location 111 and a second connection location 112 from inside to outside at intervals, a region between the first connection location 111 and the second connection location 112 on the cone 11 is a support area 113, an end 21 of the voice coil 20 is connected to the first connection location 111 and is used for driving the cone 10 to vibrate in a first direction, the support structure 30 includes a plurality of support walls 31, the plurality of support walls 31 are sequentially connected end to end in a circumferential direction to form a support structure 30 that is closed in a polyhedral shape, and an edge 32 is formed by connecting any two adjacent support walls 31, two ends of the support structure 30 in the first direction are a first end 33 and a second end 34, where the first end 33 is sleeved outside the support area 113 and is connected to the second connection location 112, and the second end 34 is sleeved outside the voice coil 20 and is connected to an outer wall of the voice coil 20.

The sounding monomer 100 can be a speaker monomer, the sounding monomer 100 can be applied to a sounding module of electronic equipment, and the electronic equipment can be a computer, a mobile phone, intelligent wearing equipment and the like. The present embodiment will be described by taking the sounding unit 100 as a speaker unit.

As shown in fig. 1 and 2, the small end of the cone 11 is disposed downward, the large end is disposed upward, the first connection site 111 and the second connection site 112 of the cone 11 are disposed at intervals from inside to outside, the second connection site 112 is above the first connection site 111, and the region of the cone 11 between the first connection site 111 and the second connection site 112 is a supporting region 113. The end 21, specifically the upper end 21, of the voice coil 20 is connected to the first connection site 111, the voice coil 20 vibrates in a first direction, which is the up-down direction shown in fig. 1, and the cone 10 is driven to vibrate in the up-down direction, so that air is driven to sound, and energy conversion between electroacoustic is completed.

The support walls 31 are connected end to end in the circumferential direction to form a support structure 30, and the support structure 30 is a multi-sided annular closed structure, and it is understood that one support wall 31 forms a face, for example, as shown in fig. 4, and five support walls 31 are connected end to end in the circumferential direction to form a five-sided annular closed structure. Any two adjacent support walls 31 are connected to form an edge 32, and the edge 32 is the joint edge of two adjacent surfaces of the support structure 30. The two ends of the supporting structure 30 along the up-down direction are a first end 33 and a second end 34 respectively, wherein the first end 33 located above is sleeved outside the supporting area 113 of the cone 10 and is connected with the second connecting position 112, and the second end 34 extends downwards and is sleeved outside the voice coil 20 and is connected with the outer wall of the voice coil 20, so that the cone 11, the voice coil 20 and the supporting structure 30 are connected with each other. It can be understood that the cone 11, the voice coil 20 and the supporting structure 30 are connected to each other to form a vibration system of the sounding unit 100, and a stable structure with a triangular vertical section is formed between the supporting area 113 of the cone 11 and each supporting wall 31 and the voice coil 20 of the supporting structure 30, so that the strength of the vibration system of the sounding unit 100 can be effectively enhanced, the split vibration degree of the cone 10 during vibration can be reduced, the negative influence of the split vibration can be further reduced, the sound distortion can be avoided, the fidelity of the sound can be improved, the smoothness of the frequency response can be avoided, the sensitivity curve can be optimized, and the acoustic performance can be improved.

Compared with the mode of adding a reinforcing structure, such as a plurality of reinforcing ribs, on the cone 10, or adopting a more rigid material to manufacture the cone 10 to improve the intensity of the cone 10, and compared with the mode of increasing the internal damping of the cone 10 to make the cone 10 vibrate and then quickly attenuate to reduce the influence of split vibration, the sound generating unit 100 of the invention only utilizes the supporting structure 30 to be connected with the voice coil 20 and the cone 10 to form a stable structure to improve the intensity of the vibration system, has lower cost and better effect of improving the acoustic performance.

In an embodiment, each supporting wall 31 is provided with a first arc-shaped edge 35 which is matched with the shape of the outer wall surface of the cone 11 and protrudes towards the voice coil 20 at the position corresponding to the first end 33, any two adjacent first arc-shaped edges 35 are connected at the edge 32, and the first arc-shaped edges 35 are continuously attached to the outer wall surface of the cone 11 along the circumferential direction.

As shown in fig. 1, 2 and 4, the position of each supporting wall 31 corresponding to the first end 33 is a first arc edge 35, the first arc edge 35 is matched with the outer wall surface of the cone 11, the first arc edge 35 protrudes downwards towards the voice coil 20, and each first arc edge 35 is continuously attached to the outer wall surface of the cone 11 along the circumferential direction, so that the connection stability is improved, and the strength of the vibration system of the sounding single body 100 is effectively enhanced.

In one embodiment, any adjacent two first arcuate edges 35 are joined at corresponding edges 32 to form corners 36, the corners 36 being at the same height of the cone 11 in the first direction such that the first arcuate edges 35 are joined in turn in the circumferential direction to form the end edges of the skirt-shaped first end 33.

It will be appreciated that the first arcuate edges 35 are connected in sequence in the circumferential direction to form the end edges of the first end 33, that is, to form the upper end edge of the support structure 30, the corners 36 are uniformly distributed at intervals along the circumferential direction of the cone 11 and are all at the same height of the cone 11, and each first arcuate edge 35 protrudes downward to form a skirt-shaped upper end edge, so as to match the outer wall surface of the cone 11 while the support structure 30 is in a multi-surface annular closed structure.

As shown in fig. 2 and 3, in an embodiment, the cone 11 is a circular cone 11, the diameter of the outer edge of the large end of the cone 11 is d1, and the diameter of the outer wall surface of the cone 11 where the second connection site 112 is located is d2, where d1/3 is equal to or less than d2 is equal to or less than 2d1/3, that is, along the diameter direction of the cone 11, the diameter of the outer wall surface of the cone 11 where the second connection site 112 is located is 3/1 to 2/3 between the outer edges of the large end of the cone 11, so that the effective support and reinforcement of the voice coil 20 by the support structure 30 are realized.

In one embodiment, the plurality of corners 36 are evenly spaced circumferentially to evenly support the cone 11, further improving the strength uniformity of the basin 10.

In one embodiment, any two adjacent first arcuate edges 35 are symmetrically disposed with respect to the corresponding edge 32 to further enhance the uniformity of the intensity of the basin 10.

In one embodiment, the second end 34 of each supporting wall 31 is provided with a second arc-shaped edge 37 matched with the shape of the outer wall surface of the voice coil 20, any two adjacent second arc-shaped edges 37 are connected at the edge 32, and the second arc-shaped edges 37 are continuously attached to the outer wall surface of the voice coil 20 along the circumferential direction.

As shown in fig. 1, 2 and 4, the second arc edge 37 is a second arc edge 37, two arbitrary adjacent arc edges are attached at the edge 32, and each second arc edge 37 is matched with the shape of the outer wall surface of the voice coil 20 and is attached to the outer wall surface of the voice coil 20 continuously along the circumferential direction, so that the connection stability is improved, and the strength of the vibration system of the sounding monomer 100 is further effectively enhanced.

Further, the plurality of second arcuate edges 37 are connected end to end in the circumferential direction to form end edges of the rounded second ends 34, the end edges of the second ends 34 being of uniform height in the first direction throughout.

It will be appreciated that, the voice coil 20 is a circular voice coil 20, the second arc edge 37 is connected end to end in turn along the circumferential direction to form the end edge of the second end 34, that is, form the lower end edge of the supporting structure 30, the lower end edge is rounded to match with the outer wall surface of the voice coil 20, so as to achieve continuous lamination with the outer surface of the voice coil 20, and the end edge of the second end 34 is consistent in height along the first direction everywhere, so that the structural design is reasonable, and the strength uniformity of the voice coil 20 is improved, and the overall strength uniformity of the vibration system is further improved.

The supporting structure 30 of this embodiment is a round-polygonal composite structure with a polygonal bottom circle and a small end facing downward and a large end facing upward, and improves the overall structural strength of the vibration system while being connected with the voice coil 20 and the cone 11 in a matching manner, and is not easy to generate split vibration, so as to improve the acoustic performance of the sounding unit 100.

Further, the number of the support walls 31 is n, where n is an odd number greater than 1. Compared with the even number of the supporting walls 31, the even number of the supporting walls 31 are not easy to generate the split vibration, so that the acoustic performance of the sounding unit 100 is further improved.

In one embodiment, the end face of the first end 33 is an inclined face that mates with the outer wall face of the cone. Because the outer wall surface of the cone 11 is obliquely arranged, the supporting wall 31 is obliquely arranged from bottom to top outwards, the end face of the first end 33 is set to be an inclined face, matching with the outer wall surface of the cone basin and bonding are facilitated, connection stability is improved, and structural stability of a vibration system is further improved.

In one embodiment, the end surface of the second end 34 is an inclined surface that mates with the outer wall surface of the voice coil 20. Because the supporting wall 31 is inclined outwards from bottom to top, the outer wall surface of the voice coil 20 is a vertically arranged round surface, and the end surface of the second end 34 is an inclined surface, so that the voice coil is conveniently matched with and adhered to the outer wall surface of the voice coil 20, the connection stability is improved, and the structural stability of a vibration system is further improved.

In an embodiment, the sounding unit 100 further includes a centering support 40, where the inner edge of the centering support 40 is connected to the outer wall of the voice coil 20 near the end 21, and the second end 34 is connected to the outer wall of the voice coil 20 at a position between the inner edge of the centering support 40 and the end 21.

In particular, the centring disk 40 is also part of the vibration system. The inner edge of the centering support 40 is connected to the outer wall of the voice coil 20 at a position near the end 21, i.e., near the upper end of the voice coil 20. The centering support 40 is located below the support structure 30, and the second end 34, i.e., the lower end of the support structure 30 is connected to the outer wall of the voice coil 20 at a position between the inner portion and the end 21 of the centering support 40, so as to avoid interference with the centering support 40. By providing the centering support piece 40, the voice coil 20 is centered and supported, the voice coil 20 is prevented from being polarized, and the vibration stability of the voice coil 20 is improved.

As shown in fig. 2 and 3, in an embodiment, the distance between the inner edge of the centering support piece 40 and the end 21 along the first direction is L1, the distance between the second end 34 and the end 21 along the first direction is L2, where L1/3 is less than or equal to L2< L1, on one hand, the second end 34 of the support structure 30 is prevented from being close to the end 21 of the voice coil 20, and on the other hand, the second end 34 of the support structure 30 is prevented from affecting the connection between the end 21 of the voice coil 20 and the cone 11, and on the other hand, the height of the support structure 30 along the first direction, i.e., the up-down direction, is sufficient, so that the strength of the vibration system of the sounding monomer 100 is effectively enhanced while the manufacturing is easy.

As shown in fig. 2 and 3, in an embodiment, each support wall 31 is a uniform thickness support wall 31, and the thickness of a plurality of support walls 31 is uniform, so that the manufacturing is easy and the strength uniformity is improved. The taper 11 is an equal-thickness taper 11 with uniform wall thickness, and strength uniformity is improved while manufacturing is easy. Wherein, the thickness of the supporting wall 31 is h1, the thickness of the cone 11 is h2, h1 is equal to or greater than h2, i.e. the thickness of the supporting wall 31 is greater than the thickness of the cone 11, so as to effectively enhance the strength of the cone 10.

In one embodiment, the cone 11 forms a protrusion 114 protruding away from the voice coil 20 in a region corresponding to the voice coil 20, the support structure 30 is an integrally formed part, the first end 33 is adhered to the first connection site 111, and the second end 34 is adhered to the outer wall of the voice coil 20.

As shown in fig. 2, the cone 10 is an integral cone 10, and the cone 11 thereof forms a protrusion 114 protruding upwards in the region corresponding to the voice coil 20, and the support structure 30 is an integral part, omitting assembly steps and assembly gaps, and being easy to manufacture. The material of the supporting structure 30 can be consistent with that of the cone 10, so that the manufacturing and processing processes are simplified, the mechanical properties are unified, the thermal expansion difference is eliminated, and the stability is enhanced. The first end 33 of the support structure 30 is bonded to the first connection location 111, which is easy to manufacture and improves connection stability.

In another embodiment, the cone 11 forms a through hole corresponding to the region in the voice coil 20, the cover of the through hole is provided with a dust cap, and the supporting structure 30 and the cone 11 are integrally formed.

The cone 11 is formed with a through hole corresponding to the region in the voice coil 20, and the through hole cover is provided with a dust cap, so that the divided vibration can be further suppressed, the high frequency response can be expanded, and the resonance frequency can be adjusted. The supporting structure 30 and the cone 11 are integrally formed, so that the assembly steps and the assembly gaps are omitted, and the manufacturing is easy. The material of the supporting structure 30 can be consistent with that of the cone 10, so that the manufacturing and processing processes are simplified, the mechanical properties are unified, the thermal expansion difference is eliminated, and the stability is enhanced.

In one embodiment, the basin 10 is a composite basin, which has the advantages of suppressing the split vibration, reducing the distortion, balancing the weight and rigidity, widening the frequency response range, enhancing the durability, and the like, compared to the basin 10 of a single material.

As shown in fig. 1 and 2, in an embodiment, the sounding unit 100 further includes a magnetic circuit system, the magnetic circuit system includes a central magnet 50 and a U-shaped iron 60 surrounding the central magnet 50, a magnetic gap 70 is formed between the U-shaped iron 60 and the central magnet 50, and a lower end of the voice coil 20 is located in the magnetic gap 70. When the voice coil 20 is electrified, the voice coil 20 makes reciprocating magnetic force line cutting motion in the magnetic gap 70 to drive the cone 10 to vibrate up and down, thereby driving air to sound and completing energy conversion between electroacoustic.

The invention also provides electronic equipment, and the electronic equipment is applied with the sounding monomer 100. In an embodiment, the electronic device may be a computer, a mobile phone, a smart wearable device, etc. The specific structure and the use manner of the sounding monomer 100 in the electronic device refer to the above embodiments, and since the electronic device adopts all the technical solutions of all the embodiments, at least the technical solutions of the embodiments have all the beneficial effects, and are not described in detail herein.

The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (14)

1. A sound producing monomer, characterized in that the sound producing monomer comprises:

The cone comprises a cone body and a folding ring connected to the outer edge of the cone body, a first connecting position and a second connecting position are arranged on the cone body from inside to outside at intervals, and a supporting area is arranged in the area between the first connecting position and the second connecting position on the cone body;

The end part of the voice coil is connected with the first connecting position and is used for driving the cone to vibrate along the first direction;

the voice coil comprises a support structure, wherein the support structure comprises a plurality of support walls, the support walls are sequentially connected end to end along the circumferential direction to form the support structure which is closed in a polyhedral annular shape, and two adjacent support walls are connected to form edges, two ends of the support structure along the first direction are respectively provided with a first end and a second end, the first end is sleeved outside the support area and connected with the second connecting position, and the second end is sleeved outside the voice coil and connected with the outer wall of the voice coil.

2. The sound-producing unit according to claim 1, wherein each of the support walls has a first arcuate edge corresponding to the first end, the first arcuate edge being shaped to match the outer wall surface of the cone and protruding in the direction of the voice coil, any adjacent two of the first arcuate edges being connected at the edge, the first arcuate edge being in continuous circumferential abutment with the outer wall surface of the cone.

3. The sound-producing monomer of claim 2, wherein any adjacent two of said first arcuate edges are joined at corresponding ones of said edges to form a corner, a plurality of said corners being at a same height of said cone in said first direction, such that a plurality of said first arcuate edges are joined circumferentially in sequence to form an end edge of said first end of the skirt shape.

4. The sound-producing monomer according to claim 3, wherein the cone is a circular cone, the diameter of the outer edge of the large end of the cone is d1, and the diameter of the outer wall surface of the cone where the second connecting position is located is d2, wherein d1/3 is equal to or less than d2 is equal to or less than 2d1/3.

5. The sound producing monomer of claim 3, wherein,

The corners are uniformly distributed at intervals along the circumferential direction;

And/or the number of the groups of groups,

Any two adjacent first arc edges are symmetrically distributed relative to the corresponding edges.

6. The sound-producing unit according to claim 1, wherein the second end of each supporting wall is provided with a second arc-shaped edge matched with the shape of the outer wall surface of the voice coil, any two adjacent second arc-shaped edges are connected at the edge, and the second arc-shaped edges are continuously attached to the outer wall surface of the voice coil along the circumferential direction.

7. The sound-producing monomer of claim 6, wherein a plurality of the second arcuate edges are connected end to end in a circumferential sequence to form a rounded end edge of the second end, the end edge of the second end being of uniform height throughout the first direction.

8. The sound emitting monomer of any one of claims 1-7, wherein the number of support walls is n, wherein n is an odd number greater than 1.

9. The sound producing monomer according to any one of claim 1 to 7,

The end face of the first end is an inclined face matched with the outer wall face of the cone;

And/or the number of the groups of groups,

The end face of the second end is an inclined face matched with the outer wall face of the voice coil.

10. The sound emitting die of any one of claims 1-7, further comprising a centering pad, an inner edge of the centering pad being connected to an outer wall of the voice coil proximate the end, the second end being connected to the outer wall of the voice coil at a location between the inner edge of the centering pad and the end.

11. The sound-producing monomer of claim 10, wherein the distance between the inner edge of the centering strip and the end in the first direction is L1, and the distance between the second end and the end in the first direction is L2, wherein L1/3 is less than or equal to L2< L1.

12. The sound producing monomer according to any one of claims 1 to 7, wherein each of the support walls is a uniform thickness support wall, and a plurality of the support walls are uniform in thickness;

Wherein the thickness of the supporting wall is h1, and the thickness of the cone is h2, wherein h1 is more than or equal to h2.

13. The sound producing monomer according to any one of claim 1 to 7,

The support structure is an integrally formed part, the first end is adhered to the first connecting position, and the second end is adhered to the outer wall of the voice coil;

And/or the number of the groups of groups,

The cone corresponds the region in the voice coil loudspeaker voice coil forms the through-hole, the through-hole enclosing cover is equipped with the dustproof cap, bearing structure with the cone is integrated into one piece finished piece.

14. An electronic device, wherein the electronic device is applied with the sounding monomer according to any one of claims 1 to 13.