CN218648963U - Loudspeaker monomer and loudspeaker module - Google Patents
Loudspeaker monomer and loudspeaker module Download PDFInfo
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- CN218648963U CN218648963U CN202222839082.1U CN202222839082U CN218648963U CN 218648963 U CN218648963 U CN 218648963U CN 202222839082 U CN202222839082 U CN 202222839082U CN 218648963 U CN218648963 U CN 218648963U
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- top surface
- washer
- magnetic steel
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Abstract
The utility model discloses a loudspeaker single body and a loudspeaker module, wherein the loudspeaker single body comprises a magnetic circuit component which comprises a magnetic cover; the central magnetic steel is arranged on the top surface of the magnetic cover, and a first matching groove is formed in the edge of the top surface of the central magnetic steel; the central washer is arranged on the top surface of the central magnetic steel, a first avoidance pressing groove is formed in the edge of the top surface of the central washer, a first lower protrusion is arranged on the bottom surface of the central washer corresponding to the first avoidance pressing groove, and the first lower protrusion is matched with the first matching groove; the side magnetic steel is arranged on the top surface of the magnetic cover and positioned outside the central magnetic steel, and a second matching groove is formed in one side, close to the central magnetic steel, of the top surface of the side magnetic steel; the side washer is arranged on the top surface of the side magnetic steel, a second avoiding pressure groove is formed in one side, close to the central washer, of the top surface of the side washer, a second lower protrusion is arranged on the bottom surface of the side washer corresponding to the second avoiding pressure groove, and the second lower protrusion is matched with the second matching groove. The single loudspeaker has high BL value, symmetrical BL curve and excellent performance.
Description
Technical Field
The utility model relates to an electroacoustic transducer technical field, in particular to speaker monomer and speaker module.
Background
Due to space limitation, the voice coil is often asymmetric in BL curve (generally biased to the positive direction) without increasing the voice coil bobbin.
The voice coil loudspeaker voice coil and vibrating diaphragm bonding position often need to be thinned to the china department, dodges the excessive position of gluing of voice coil loudspeaker voice coil and vibrating diaphragm junction. When the washer is thinned, the magnetic conduction efficiency of the washer is reduced, and the BL curve is slightly biased to the positive direction.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who aims at solving does: a high performance speaker unit and a speaker module having the same are provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: a loudspeaker unit comprises a magnetic circuit assembly including
A magnetic shield;
the central magnetic steel is arranged on the top surface of the magnetic cover, and a first matching groove is formed in the edge of the top surface of the central magnetic steel;
the central washer is arranged on the top surface of the central magnetic steel, a first avoidance pressing groove is formed in the edge of the top surface of the central washer, a first lower protrusion is arranged on the bottom surface of the central washer corresponding to the first avoidance pressing groove, and the first lower protrusion is matched with the first matching groove;
the side magnetic steel is arranged on the top surface of the magnetic cover and positioned outside the central magnetic steel, and a second matching groove is formed in one side, close to the central magnetic steel, of the top surface of the side magnetic steel;
the side washer is arranged on the top surface of the side magnetic steel, a second avoiding pressure groove is formed in one side, close to the central washer, of the top surface of the side washer, a second lower protrusion is arranged on the bottom surface of the side washer corresponding to the second avoiding pressure groove, and the second lower protrusion is matched with the second matching groove.
Further, the depth of the first pressure avoiding groove is the same as or different from the height of the first lower protrusion.
Furthermore, the first avoidance pressing groove is formed in a punching mode.
Further, the depth of the second avoiding pressing groove is the same as or different from the height of the second lower protrusion.
Further, the second avoidance pressing groove is formed in a punch forming mode.
Further, the depth of the first avoidance pressing groove is the same as or different from that of the second avoidance pressing groove.
Further, the top surface of the center washer is coplanar with the top surfaces of the side washers.
Further, the cross section of the first lower bulge is rectangular or right trapezoid.
Further, the cross section of the second lower protrusion is rectangular or right trapezoid.
In order to solve the technical problem, the utility model discloses still adopt following technical scheme: the loudspeaker module comprises the loudspeaker monomer.
The beneficial effects of the utility model reside in that: in this speaker monomer, although the edge of china department is provided with the indent of dodging that is used for dodging the excessive glue, the bottom surface of china department is provided with protruding structure down corresponding to the region of dodging the indent, thereby the problem of china department magnetic permeability decline that leads to because of dodging the setting of indent has been improved, make the free BL value of speaker obtain increasing on the minus direction, the BL curve has been corrected, accomplish BL curve more symmetry when making the BL value improve, do benefit to the free sensitivity of improvement speaker, improve speaker monomer distortion phenomenon, make speaker monomer amplitude more symmetrical, thereby the free performance of speaker has been promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions 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 a schematic structural diagram of a speaker unit according to a first embodiment of the present invention;
fig. 2 is a cross-sectional view of a speaker unit according to a first embodiment of the present invention;
fig. 3 is an enlarged view of detail a in fig. 2.
The reference numbers illustrate:
1. a basin stand;
2. a vibrating assembly; 21. a diaphragm assembly; 22. a voice coil;
3. a magnetic circuit assembly; 31. a magnetic shield; 32. a central magnetic steel; 321. a first mating groove; 33. a central washer; 331. a first avoidance pressure groove; 332. a first lower projection; 34. edge magnetic steel; 341. a second mating groove; 35. a border washer; 351. a second avoidance pressure groove; 352. a second lower projection; 36. magnetic gap
4. A support member.
Detailed Description
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to directional indications such as up, down, left, right, front, back, 82308230, 8230, 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 of the feature.
In addition, the appearance of "and/or" throughout this document is meant to encompass three scenarios, such as "and/or" including a scenario, or a scenario that is satisfied simultaneously. 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.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the speaker module can be applied to electronic products such as mobile phones, tablet computers, intelligent watches and game handles.
The loudspeaker module comprises a module shell and a loudspeaker monomer arranged in the module shell, wherein the loudspeaker monomer is used for separating the inner cavity of the module shell into a front sound cavity and a rear sound cavity, and the module shell is provided with a sound outlet hole communicated with the front sound cavity and the outside. In other embodiments, the housing of the electronic product can also be used as the module housing.
The loudspeaker monomer includes basin frame 1, vibration subassembly 2 and magnetic circuit subassembly 3, vibration subassembly 2 reaches magnetic circuit subassembly 3 is located respectively on the basin frame 1, vibration subassembly 2 includes vibrating diaphragm subassembly 21 and voice coil 22, voice coil 22's top surface with vibrating diaphragm subassembly 21 adhesive bonding, vibrating diaphragm subassembly 21 is connected basin frame 1.
The magnetic circuit assembly 3 comprises a magnetic cover 31, a central magnetic steel 32, a central washer 33, side magnetic steels 34 and side washers 35, the central magnetic steel 32 and the side magnetic steels 34 are respectively arranged on the top surface of the magnetic cover 31, the side magnetic steels 34 are arranged outside the central magnetic steel 32, in detail, the number of the side magnetic steels 34 is multiple, the central magnetic steel 32 is arranged between at least one group of two side magnetic steels 34 which are oppositely arranged, a magnetic gap 36 is formed between the central magnetic steel 32 and the side magnetic steels 34, and the bottom end of the voice coil 22 extends into the magnetic gap 36.
The side washer 35 is arranged on the top surface of the side magnetic steel 34, a second avoiding pressure groove 351 is arranged on one side, close to the central washer 33, of the top surface of the side washer 35, the second avoiding pressure groove 351 is used for avoiding glue overflow at the gluing position of the voice coil 22 and the diaphragm assembly 21, a second lower protrusion 352 is arranged on the bottom surface of the side washer 35 corresponding to the second avoiding pressure groove 351, a second matching groove 341 is arranged on one side, close to the central magnetic steel 32, of the top surface of the side magnetic steel 34, and the second matching groove 341 is matched with the second lower protrusion 352.
It is easy to understand that the existence of the first lower protrusion 332 not only facilitates the positioning and assembly of the central washer 33 and the central magnetic steel 32, but also increases the bonding area between the central magnetic steel 32 and the central washer 33, and is beneficial to improving the structural stability of the magnetic circuit assembly 3; likewise, the second lower protrusion 352 is also the same.
Optionally, the top surface of the central washer 33 is coplanar with the top surface of the side washers 35; the thickness of the central washer 33 is the same as the thickness of the side washers 35. The cross section of the first lower protrusion 332 is rectangular, right trapezoid or other shapes; the cross section of the second lower protrusion 352 is rectangular, right trapezoid or other shapes.
The depth of the first avoiding pressure groove 331 is the same as or different from the height of the first lower protrusion 332, and the depth of the first avoiding pressure groove 331 and the height of the first lower protrusion 332 do not need to have a very definite relative size relationship, and in the research and development design process, a person skilled in the art can adjust the symmetry of the BL curve by adjusting the depth of the first avoiding pressure groove 331 and the height of the first lower protrusion 332.
In the process of actual production, first dodge indent 331 can be stamping forming, when adopting stamping forming technology shaping first dodge indent 331, first arch 332 also can the synchronous forming down, consequently, the course of working of central china department 33 is very convenient.
The depth of the second avoiding pressure groove 351 is the same as or different from the height of the second lower protrusion 352, and the depth of the second avoiding pressure groove 351 and the height of the second lower protrusion 352 do not need to have a very definite relative size relationship, and in the process of research and development and design, a person skilled in the art can adjust the symmetry of the BL curve by adjusting the depth of the second avoiding pressure groove 351 and the height of the second lower protrusion 352.
In the actual production process, the second avoiding pressure groove 351 can be formed in a punch forming mode, and when the second avoiding pressure groove 351 is formed in a punch forming process, the second lower protrusion 352 can be formed synchronously, so that the processing process of the side washer 35 is very convenient.
The depth of the first avoidance groove 331 is the same as or different from the depth of the second avoidance groove 351, and the depth of the second avoidance groove 351 and the depth of the first avoidance groove 331 do not necessarily have a well-defined relative size relationship.
Optionally, the speaker unit further includes a supporting member 4, and the supporting member 4 connects the bottom end of the voice coil 22 and the frame 1. The support member 4 is a secondary membrane and/or a centering disk.
The aforesaid is only the optional embodiment of the utility model discloses a to not consequently restrict the patent scope of the utility model, all be in the utility model discloses a under the utility model conceiving, utilize the equivalent structure transform of doing of the contents of the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A speaker cell, comprising: comprises a magnetic circuit assembly including
A magnetic shield;
the center magnetic steel is arranged on the top surface of the magnetic cover, and a first matching groove is formed in the edge of the top surface of the center magnetic steel;
the central washer is arranged on the top surface of the central magnetic steel, a first avoidance pressing groove is formed in the edge of the top surface of the central washer, a first lower protrusion is arranged on the bottom surface of the central washer corresponding to the first avoidance pressing groove, and the first lower protrusion is matched with the first matching groove;
the side magnetic steel is arranged on the top surface of the magnetic cover and positioned outside the central magnetic steel, and a second matching groove is formed in one side, close to the central magnetic steel, of the top surface of the side magnetic steel;
the side washer is arranged on the top surface of the side magnetic steel, a second avoiding pressing groove is formed in one side, close to the center washer, of the top surface of the side washer, a second lower protrusion is arranged on the bottom surface of the side washer corresponding to the second avoiding pressing groove, and the second lower protrusion is matched with the second matching groove.
2. The speaker cell of claim 1, wherein: the depth of the first avoidance pressing groove is the same as or different from the height of the first lower protrusion.
3. The speaker cell of claim 2, wherein: and the first avoidance pressing groove is formed in a punching mode.
4. The speaker cell of claim 1, wherein: the depth of the second avoidance pressing groove is the same as or different from the height of the second lower protrusion.
5. A loudspeaker unit as claimed in claim 4, wherein: and the second avoidance pressing groove is formed in a punching mode.
6. A loudspeaker unit as claimed in claim 1, wherein: the depth of the first avoidance pressing groove is the same as or different from that of the second avoidance pressing groove.
7. The speaker cell of claim 1, wherein: the top surface of the center washer is coplanar with the top surface of the side washers.
8. A loudspeaker unit as claimed in claim 1, wherein: the cross section of the first lower bulge is rectangular or right trapezoid.
9. A loudspeaker unit as claimed in claim 1, wherein: the section of the second lower bulge is rectangular or right-angled trapezoid.
10. Speaker module, its characterized in that: comprising a loudspeaker unit as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222839082.1U CN218648963U (en) | 2022-10-26 | 2022-10-26 | Loudspeaker monomer and loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222839082.1U CN218648963U (en) | 2022-10-26 | 2022-10-26 | Loudspeaker monomer and loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218648963U true CN218648963U (en) | 2023-03-17 |
Family
ID=85494057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222839082.1U Active CN218648963U (en) | 2022-10-26 | 2022-10-26 | Loudspeaker monomer and loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218648963U (en) |
-
2022
- 2022-10-26 CN CN202222839082.1U patent/CN218648963U/en active Active
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