CN223182320U - Sound unit - Google Patents
Sound unitInfo
- Publication number
- CN223182320U CN223182320U CN202422250962.4U CN202422250962U CN223182320U CN 223182320 U CN223182320 U CN 223182320U CN 202422250962 U CN202422250962 U CN 202422250962U CN 223182320 U CN223182320 U CN 223182320U
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- CN
- China
- Prior art keywords
- generating unit
- sound generating
- side magnetic
- voice coil
- magnetic structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
本实用新型公开了发声单元，包括盆架、振动组件、磁路组件和定心支片，振动组件包括振膜组件和音圈，振膜组件连接音圈与盆架；磁路组件包括轭铁和分别设于轭铁上的中心磁结构与边磁结构，边磁结构围绕中心磁结构设置，边磁结构包括环形华司和多个边磁钢，所述边磁钢连接所述环形华司与所述轭铁，相邻的两个边磁钢之间形成有避让口，所述环形华司具有沉入所述避让口中的凹台；所述定心支片包括由内向外依次相连的内固定部、悬臂部和外固定部，所述外固定部连接所述盆架，所述内固定部连接所述音圈，所述定心支片的部分区域位于所述凹台的中空区域内。本发声单元中华司结构稳定，不易变形，并且本发声单元性能优越。本发声单元结构新颖、稳定。
The utility model discloses a sound unit comprising a frame, a vibration assembly, a magnetic circuit assembly, and a centering support. The vibration assembly comprises a diaphragm assembly and a voice coil, the diaphragm assembly connecting the voice coil to the frame. The magnetic circuit assembly comprises a yoke and a central magnetic structure and a side magnetic structure, each disposed on the yoke. The side magnetic structure is disposed around the central magnetic structure. The side magnetic structure comprises an annular washer and a plurality of side magnets, the side magnets connecting the annular washer to the yoke. A clearance is formed between adjacent side magnets, and the annular washer has a recessed platform sunk into the clearance. The centering support comprises an inner fixing portion, a cantilever portion, and an outer fixing portion, sequentially connected from the inside to the outside. The outer fixing portion is connected to the frame, and the inner fixing portion is connected to the voice coil. Part of the centering support is located within the hollow area of the recessed platform. The structure of the centering support in this sound unit is stable and not easily deformed, and the sound unit has excellent performance. This sound unit has a novel and stable structure.
Description
Technical Field
The utility model relates to the technical field of electroacoustic converters, in particular to a sound generating unit.
Background
The sounding unit is used for electronic devices such as mobile phones and headphones, and most of used scenes are talking, music playing, video playing and the like.
In order to improve the loudness of the sound generating unit, the amplitude of the sound generating unit is generally improved in the prior art, and the voice coil is connected with a supporting component to conduct and/or inhibit rolling vibration of the voice coil in the prior large-amplitude sound generating unit. At present, four angles of voice coil loudspeaker voice coil correspond respectively and are connected with supporting part, and limit magnetic structure corresponds the position of supporting part and need keep away the sky, and the design of keeping away the sky can make outer washer disconnection to Yu Waihua washer structural strength weakens, falls the in-process, and outer washer appears the problem such as warp easily.
Disclosure of utility model
The utility model solves the technical problem of providing a sound generating unit with stable structure.
In order to solve the technical problems, the utility model adopts the technical scheme that the sounding unit comprises:
a basin stand;
The vibration assembly comprises a vibrating diaphragm assembly and a voice coil, and the vibrating diaphragm assembly is connected with the voice coil and the basin frame;
The magnetic circuit assembly comprises a yoke, a central magnetic structure and a side magnetic structure, wherein the central magnetic structure and the side magnetic structure are respectively arranged on the yoke, the side magnetic structure is arranged around the central magnetic structure, the side magnetic structure comprises an annular washer and a plurality of side magnetic steels, the side magnetic steels are connected with the annular washer and the yoke, an avoidance opening is formed between two adjacent side magnetic steels, and the annular washer is provided with a concave table sunk into the avoidance opening;
The centering support piece comprises an inner fixing part, a cantilever part and an outer fixing part which are sequentially connected from inside to outside, the outer fixing part is connected with the basin frame, the inner fixing part is connected with the voice coil, and a part area of the centering support piece is positioned in a hollow area of the concave table.
In one embodiment, the bottom of the recess is fixedly connected to the yoke.
In one embodiment, the bottom of the recess is adhesively attached or welded to the yoke.
In an embodiment, the central magnetic structure is provided with an avoidance groove for avoiding the inner fixing portion.
In an embodiment, a partial region of the inner fixing portion is located in the hollow region of the recess.
In one embodiment, a partial region of the cantilever portion is located within a hollow region of the recess.
In an embodiment, the inner fixing portion includes a vertical portion and a planar portion, wherein the bottom end of the vertical portion is connected to the cantilever portion, and the bottom surface of the planar portion is connected to the top surface of the voice coil.
In an embodiment, the number of the side magnetic steels is two, the whole side magnetic steels are concave, and the two concave side magnetic steels are arranged in opposite directions.
In an embodiment, the number of the voice coils is one, and the avoidance port is set corresponding to the middle of the long side of the voice coil, or the avoidance port is set corresponding to the middle of the short side of the voice coil.
In an embodiment, the number of the voice coils is two, the number of the central magnetic structures is two, the two voice coils and the two groups of the central magnetic structures are arranged in a one-to-one correspondence manner, the avoidance opening is arranged corresponding to a gap between the two voice coils, and the inner fixing part of the centering support piece is fixedly connected with the two voice coils at the same time.
The sounding unit has the beneficial effects that the sounding unit is novel in structure, and the annular washer with the concave table is used as the outer washer, so that the sounding unit is in a continuous and complete annular frame shape while the sounding unit is provided with the centering support piece, the structural stability of the outer washer is improved, the falling deformation risk of the sounding unit is reduced, and the structural stability of the sounding unit is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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 utility model, 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 an exploded view of a sound unit according to a first embodiment of the present utility model;
fig. 2 is a cross-sectional view of a sound generating unit according to a first embodiment of the present utility model;
Fig. 3 is a schematic structural diagram of a part of the structure of a sound generating unit according to the first embodiment of the present utility model;
Fig. 4 is a schematic structural diagram of a part of the sound generating unit according to the second embodiment of the present utility model;
Fig. 5 is a schematic structural diagram of a part of the sound generating unit according to the third embodiment of the present utility model.
Reference numerals illustrate:
1. A basin stand;
2. A diaphragm assembly;
3. a voice coil;
41. Yoke iron, 42, a central magnetic structure, 421, a central magnetic steel, 422, a central washer, 423, an avoiding groove, 43, a side magnetic structure, 431, an annular washer, 4311, a concave table, 432, side magnetic steel, 44 and an avoiding opening;
5. Centering support piece, 51, inner fixing part, 511, vertical part, 512, plane part, 52, cantilever part, 53, outer fixing part;
6. and (3) a framework.
Detailed Description
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
The following description of the embodiments of the present utility model 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 utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, 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, if the meaning of "and/or" is presented throughout this document to include three parallel schemes, taking "and/or" as an example, including a scheme, or a scheme that is satisfied simultaneously. 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 utility model.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present utility model, a sound generating unit includes a frame 1, a vibration assembly, a magnetic circuit assembly and a centering support 5, wherein the vibration assembly includes a diaphragm assembly 2 and a voice coil 3, the diaphragm assembly 2 connects the voice coil 3 and the frame 1, the magnetic circuit assembly includes a yoke 41 and a central magnetic structure 42 and a side magnetic structure 43 respectively disposed on the yoke 41, the central magnetic structure 42 is disposed corresponding to a hollow region of the voice coil 3, the central magnetic structure 42 includes a central magnetic steel 421 and a central washer 422, the central magnetic steel 421 connects the central washer 422 and the yoke 41, the side magnetic structure 43 is disposed around the central magnetic structure 42, the side magnetic structure 43 includes an annular washer 431 and a plurality of side magnetic steels 432, the side magnetic steels 432 connect the annular washer 431 and the yoke 41, a recess 44 is formed between two adjacent side magnetic steels 432, the annular washer 431 has a recess 4311 sunk into the recess 44, the inner and outer fixing support 53 is formed by pressing the inner and outer fixing support 53 of the frame 5, and the inner and the outer fixing support 53 is sequentially connected to the inner and outer fixing support 53.
In order to improve the structural stability of the sound generating unit to a greater extent, it is preferable that the bottom of the recess 4311 is fixedly connected to the yoke 41, and the connection manner of the bottom of the recess 4311 and the yoke 41 is not limited to adhesive connection, welding, and the like.
The partial area of the inner fixing portion 51 is located in the hollow area of the concave station 4311, and at this time, the inner fixing portion 51 does not occupy the installation space of the central magnetic structure 42, so that the sound generating unit has better performance.
Specifically, the inner fixing portion 51 is provided with an inner bonding pad, the outer fixing portion 53 is provided with an outer bonding pad electrically connected with the inner bonding pad, and the lead wire of the voice coil 3 is welded with the inner bonding pad.
In this embodiment, the number of the side magnetic steels 432 is two, the whole side magnetic steels 432 is in a concave shape, and the two side magnetic steels 432 in a concave shape are arranged in opposite directions. The side magnetic steel 432 in the shape of a concave is not only in an integral structure, but also is formed by arranging and combining a plurality of sub magnetic steels, when the side magnetic steel 432 is formed by arranging and combining a plurality of sub magnetic steels, gaps which are communicated with the inner side and the outer side of the sub magnetic steels are not formed between two adjacent sub magnetic steels, that is, the end corners of the side magnetic steel 432 formed by arranging and combining the plurality of sub magnetic steels are not formed. Thus, the total volume of the side magnetic steel 432 can be set larger, thereby improving the B value of the sounding unit.
Preferably, the two side magnetic steels 432 have symmetrical structures, that is, the dimensions of the two side magnetic steels 432 are identical.
In this embodiment, the number of the voice coils 3 is two, the number of the central magnetic structures 42 is two, two voice coils 3 are arranged in one-to-one correspondence with the two groups of the central magnetic structures 42, the avoiding openings 44 are arranged corresponding to gaps between the two voice coils 3, and the inner fixing portions 51 of the centering support piece 5 are fixedly connected with the two voice coils 3 at the same time.
To further improve the structural stability of the sound generating unit and improve the split vibration phenomenon of the vibration assembly, two of the voice coils 3 are bonded to each other at the sides close to each other.
In this embodiment, the magnetic poles of the two side magnetic steels 432 are opposite in direction, the magnetic poles of the two center magnetic steels 421 are opposite in direction, and the magnetic poles of the center magnetic structure 42 and the side magnetic steels 432 adjacent thereto are opposite in direction, i.e. when the bottom end of one side magnetic steel 432 is an N pole, the bottom end of the center magnetic steel 421 sinking into the hollow area is an S pole, the bottom end of the other center magnetic steel 421 is an N pole, and the bottom end of the other side magnetic steel 432 is an S pole.
Optionally, the vibration diaphragm assembly further comprises a frame 6, wherein the frame 6 connects the vibration diaphragm assembly 2 and the voice coil 3, that is, the voice coil 3 is indirectly connected with the vibration diaphragm assembly 2 through the frame 6.
Example two
Referring to fig. 4, the second embodiment of the present utility model is a parallel solution of the first embodiment, and is different from the first embodiment in that a partial area of the cantilever portion 52 is located in the hollow area of the concave station 4311, so that the total length of the cantilever portion 52 can be increased, so that the sounding unit can vibrate with a larger amplitude, and a larger loudness can be achieved when the sounding unit works.
Further, in this embodiment, the inner fixing portion 51 includes a vertical portion 511 and a planar portion 512, the bottom end of the vertical portion 511 is connected to the cantilever portion 52, the bottom surface of the planar portion 512 is connected to the top surface of the voice coil 3, and the inner bonding pad is disposed on the bottom surface of the planar portion 512 and located inside the voice coil 3. Preferably, the vertical portion 511 is fixedly connected to the outer wall surface of the voice coil 3, so that the connection stability of the voice coil 3 and the centering support 5 is effectively improved, and the structural stability of the sound generating unit is improved.
In order to avoid collision between the planar portion 512 extending into the inner side of the voice coil 3 and the central magnetic structure 42, the central magnetic structure 42 is provided with a avoiding groove 423 for avoiding the inner fixing portion 51. Optionally, the avoidance groove 423 is disposed on the central washer 422, so that the avoidance groove 423 can be prevented from occupying the installation space of the central magnetic steel 421, which is beneficial to ensuring the performance of the sounding unit.
Example III
Referring to fig. 5, the third embodiment of the present utility model is a parallel solution of the first embodiment, and is different from the first embodiment in that the number of voice coils 3 is only one, in this embodiment, the avoiding opening 44 is disposed corresponding to the middle of the short side of the voice coil 3, and in other embodiments, the avoiding opening 44 may also be disposed corresponding to the middle of the long side of the voice coil 3.
In this embodiment, the magnetic poles of the two side magnetic steels 432 face the same direction, and the magnetic poles of the center magnetic steel 421 and the side magnetic steel 432 face opposite directions, i.e. when the bottom end of one side magnetic steel 432 is the N pole, the bottom end of the center magnetic steel 421 is the S pole, and the bottom end of the other side magnetic steel 432 is the N pole.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The sound generating unit is characterized by comprising
A basin stand;
The vibration assembly comprises a vibrating diaphragm assembly and a voice coil, and the vibrating diaphragm assembly is connected with the voice coil and the basin frame;
The magnetic circuit assembly comprises a yoke, a central magnetic structure and a side magnetic structure, wherein the central magnetic structure and the side magnetic structure are respectively arranged on the yoke, the side magnetic structure is arranged around the central magnetic structure, the side magnetic structure comprises an annular washer and a plurality of side magnetic steels, the side magnetic steels are connected with the annular washer and the yoke, an avoidance opening is formed between two adjacent side magnetic steels, and the annular washer is provided with a concave table sunk into the avoidance opening;
The centering support piece comprises an inner fixing part, a cantilever part and an outer fixing part which are sequentially connected from inside to outside, the outer fixing part is connected with the basin frame, the inner fixing part is connected with the voice coil, and a part area of the centering support piece is positioned in a hollow area of the concave table.
2. The sound generating unit according to claim 1, wherein the bottom of the recess is fixedly connected to the yoke.
3. The sound generating unit according to claim 2, wherein the bottom of the recess is adhesively connected or welded to the yoke.
4. The sound generating unit according to claim 1, wherein the central magnetic structure is provided with a avoiding groove for avoiding the inner fixing part.
5. The sound generating unit according to claim 1, wherein a partial region of the inner fixing portion is located in a hollow region of the recess.
6. The sound generating unit according to claim 1, wherein a partial region of the cantilever portion is located within a hollow region of the recess.
7. The sound generating unit according to claim 6, wherein the inner fixing portion comprises a vertical portion and a planar portion connected to each other, the bottom end of the vertical portion is connected to the cantilever portion, and the bottom surface of the planar portion is connected to the top surface of the voice coil.
8. The sound generating unit according to claim 1, wherein the number of the side magnetic steels is two, the whole side magnetic steels are concave-shaped, and the two concave-shaped side magnetic steels are arranged in opposite directions.
9. The sound generating unit according to claim 8, wherein the number of the voice coils is one, and the avoiding opening is provided corresponding to a middle part of a long side of the voice coil or the avoiding opening is provided corresponding to a middle part of a short side of the voice coil.
10. The sound generating unit according to claim 8, wherein the number of the voice coils is two, the number of the central magnetic structures is two, the two voice coils are arranged in one-to-one correspondence with the two groups of the central magnetic structures, the avoiding opening is arranged corresponding to a gap between the two voice coils, and the inner fixing part of the centering support piece is fixedly connected with the two voice coils at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422250962.4U CN223182320U (en) | 2024-09-12 | 2024-09-12 | Sound unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422250962.4U CN223182320U (en) | 2024-09-12 | 2024-09-12 | Sound unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223182320U true CN223182320U (en) | 2025-08-01 |
Family
ID=96534895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422250962.4U Active CN223182320U (en) | 2024-09-12 | 2024-09-12 | Sound unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223182320U (en) |
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2024
- 2024-09-12 CN CN202422250962.4U patent/CN223182320U/en active Active
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