CN219999595U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
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- CN219999595U CN219999595U CN202321315901.0U CN202321315901U CN219999595U CN 219999595 U CN219999595 U CN 219999595U CN 202321315901 U CN202321315901 U CN 202321315901U CN 219999595 U CN219999595 U CN 219999595U
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- assembly
- magnetic circuit
- magnetic steel
- washer
- magnetic
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Abstract
本实用新型公开了一种微型扬声器，包括盆架、第一磁路组件、第一振动组件、第二磁路组件、第二振动组件、第三磁路组件及第三振动组件，第一磁路组件连接盆架，第一磁路组件的底部中央设有槽孔；第一振动组件包括第一振膜组件，第一振膜组件的外边缘连接盆架，第一振膜组件的中央设有开窗；第二磁路组件设于第一磁路组件的顶部并对应开窗设置；第二振动组件包括第二振膜组件，第二振膜组件连接第二磁路组件，第二振膜组件从开窗外露；第三磁路组件至少部分地设于槽孔中；第三振动组件连接第三磁路组件和/或第一磁路组件；第一振膜组件的内边缘连接第二磁路组件。本微型扬声器结构新颖，具有一个低音单元和两个高音单元，灵敏度高及高音效果好。
The utility model discloses a miniature speaker, which includes a basin frame, a first magnetic circuit component, a first vibration component, a second magnetic circuit component, a second vibration component, a third magnetic circuit component and a third vibration component. The first magnetic circuit component The circuit assembly is connected to the basin frame, and a slot is provided in the center of the bottom of the first magnetic circuit assembly; the first vibration assembly includes a first diaphragm assembly, the outer edge of the first diaphragm assembly is connected to the basin frame, and the first diaphragm assembly is provided in the center. There is a window; the second magnetic circuit component is arranged on the top of the first magnetic circuit component and is arranged corresponding to the window; the second vibration component includes a second diaphragm component, and the second diaphragm component is connected to the second magnetic circuit component. The membrane component is exposed from the window; the third magnetic circuit component is at least partially disposed in the slot; the third vibration component is connected to the third magnetic circuit component and/or the first magnetic circuit component; the inner edge of the first diaphragm component is connected to the third magnetic circuit component. Two magnetic circuit components. This micro speaker has a novel structure and has one woofer unit and two treble units, with high sensitivity and good treble effect.
Description
Technical Field
The utility model relates to the technical field of electroacoustic converters, in particular to a miniature loudspeaker.
Background
The micro-speaker is widely applied to portable electronic devices such as mobile phones, notebook computers, hearing aids and the like. With the rapid development of these portable electronic devices, the requirements of miniature electroacoustic devices applied thereto are also increasing.
The micro-speaker generally adopts high and low frequency division to enhance sound effect, and the Chinese patent publication No. CN217721457U discloses a coaxial speaker which comprises a high-pitched unit and a low-pitched unit, and the high-pitched effect is found to be bad in the actual use process, and further enhanced space exists.
Disclosure of Invention
The utility model mainly aims to provide a miniature loudspeaker with a novel structure, and aims to solve the problem of poor high-pitched effect of the traditional miniature loudspeaker.
In order to solve the technical problems, the utility model adopts the following technical scheme: a micro-speaker, comprising:
the basin stand is provided with a basin stand,
the first magnetic circuit assembly is connected with the basin stand, and a slotted hole is formed in the center of the bottom of the first magnetic circuit assembly;
the first vibration assembly comprises a first vibrating diaphragm assembly, the outer edge of the first vibrating diaphragm assembly is connected with the basin frame, and a window is arranged in the center of the first vibrating diaphragm assembly;
the second magnetic circuit assembly is arranged at the top of the first magnetic circuit assembly and corresponds to the windowing;
the second vibration assembly comprises a second vibrating diaphragm assembly, the second vibrating diaphragm assembly is connected with the second magnetic circuit assembly, and the second vibrating diaphragm assembly is exposed from the window;
a third magnetic circuit assembly at least partially disposed in the slot;
a third vibration assembly connected to the third magnetic circuit assembly and/or the first magnetic circuit assembly;
the inner edge of the first vibrating diaphragm assembly is connected with the second magnetic circuit assembly.
Further, the first magnetic circuit assembly comprises a yoke, a first central magnetic steel and a first central washer which are sequentially laminated and connected from bottom to top, and the second magnetic circuit assembly is arranged on the top surface of the first central washer.
Further, the second magnetic circuit assembly comprises a second center magnetic steel, a second center washer, a second side magnetic steel and a second Bian Huasi, the second center magnetic steel and the second side magnetic steel are respectively connected with the first center washer, the second center washer is arranged on the top surface of the second center magnetic steel, the second Bian Huasi is arranged on the top surface of the second side magnetic steel, the first vibrating diaphragm assembly is connected with the second side magnetic steel and/or the second Bian Huasi, and the second vibrating diaphragm assembly is connected with the second side magnetic steel and/or the second Bian Huasi.
Further, the second vibration assembly further comprises a second voice coil connected with the second vibration film assembly, and a second magnetic gap for the second voice coil to move is formed between the second center magnetic steel and the second side magnetic steel.
Further, the cross section of the second Bian Huasi is L-shaped.
Further, the third magnetic circuit assembly comprises a third central magnetic steel and a third central washer, the third central washer is connected to the bottom surface of the third central magnetic steel, the top surface of the third central magnetic steel is connected with the first central magnetic steel or the first central washer, and the magnetic pole direction of the third central magnetic steel is opposite to the magnetic pole direction of the first central magnetic steel.
Further, the third magnetic circuit assembly further comprises a third side washer, the third side washer is connected with the first magnetic circuit assembly, the third side washer is arranged around the slot hole, and the third vibration assembly is connected with the third side washer and/or the first magnetic circuit assembly.
Further, the section of the third washer is in an inverted L shape.
Further, an annular groove is formed in the yoke, the annular groove surrounds the groove hole, the inner side of the annular groove is connected with the groove hole, and a part of the area of the third side washer is located in the annular groove.
Further, the third vibration assembly comprises a third vibration film assembly and a third voice coil connected with the third vibration film assembly, and a third magnetic gap for the third voice coil to move is formed between the first center magnetic steel and the third center magnetic steel.
The utility model has the beneficial effects that: the micro-speaker is novel in structure, has a bass unit and two treble units which are arranged back to back, effectively improves the sensitivity and the treble effect of the micro-speaker, is beneficial to improving the acoustic performance of the micro-speaker, enhances the use experience of a user, and is compact in structure and well suitable for light and thin electronic equipment.
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 a cross-sectional view of a micro speaker according to a first embodiment of the present utility model.
Reference numerals illustrate:
1. a basin stand;
2. a yoke;
3. a first center magnetic steel;
4. a first central washer;
51. a first diaphragm assembly; 52. a first voice coil;
61. a second center magnetic steel; 62. a second central washer; 63. a second side magnetic steel; 64. second Bian Huasi;
71. a second diaphragm assembly; 72. a second voice coil;
81. a third center magnetic steel; 82. a third central washer; 83. a third side washer;
91. a third diaphragm assembly; 92. and a third voice coil.
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 changed accordingly.
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 utility model, 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; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1, a first embodiment of the present utility model is as follows: a micro loudspeaker can be applied to electronic facilities such as mobile phones, tablet computers, smart watches, game handles, wearable devices and the like.
The miniature loudspeaker comprises a basin frame 1, a first magnetic circuit assembly, a first vibration assembly, a second magnetic circuit assembly, a second vibration assembly, a third magnetic circuit assembly and a third vibration assembly, wherein the first magnetic circuit assembly is connected with the basin frame 1, and a slot hole is formed in the center of the bottom of the first magnetic circuit assembly; the first vibration assembly comprises a first vibration film assembly 51 and a first voice coil 52 connected with the first vibration film assembly 51, the outer edge of the first vibration film assembly 51 is connected with the basin frame 1, the inner edge of the first vibration film assembly 51 is connected with the second magnetic circuit assembly, and a window is arranged in the center of the first vibration film assembly 51; specifically, the first magnetic circuit assembly comprises a yoke 2, a first central magnetic steel 3, a first central washer 4, a first side magnetic steel and a first side washer, wherein the yoke 2, the first central magnetic steel 3 and the first central washer 4 are sequentially laminated and connected from bottom to top, the first side washer is connected with the first side magnetic steel and the basin frame 1, and a first magnetic gap for the first voice coil 52 to move is formed between the first central magnetic steel 3 and the first side magnetic steel.
The second vibration assembly comprises a second vibration film assembly 71 and a second voice coil 72 connected with the second vibration film assembly 71, the second vibration film assembly 71 is connected with the second magnetic circuit assembly, and the second vibration film assembly 71 is exposed from the windowed; the second magnetic circuit assembly is arranged at the top of the first magnetic circuit assembly and corresponds to the window opening, specifically, the second magnetic circuit assembly is arranged on the top surface of the first central washer 4, more specifically, the second magnetic circuit assembly comprises a second central magnetic steel 61, a second central washer 62, a second side magnetic steel 63 and a second Bian Huasi 64, the second central magnetic steel 61 and the second side magnetic steel 63 are respectively connected with the first central washer 4, the second central washer 62 is arranged on the top surface of the second central magnetic steel 61, the second Bian Huasi is arranged on the top surface of the second side magnetic steel 63, a second magnetic gap for the second voice coil 72 to move is formed between the second central magnetic steel 61 and the second side magnetic steel 63, the first diaphragm assembly 51 is connected with the second side magnetic steel 63 and/or the second Bian Huasi 64, and the second diaphragm assembly 71 is connected with the second side magnetic steel 63 and/or the second Bian Huasi.
In this embodiment, the first diaphragm assembly 51 and the second diaphragm assembly 71 are respectively connected to the second Bian Huasi. In order to provide a sufficiently large bonding area for the first diaphragm assembly 51 and the second diaphragm assembly 71, so as to improve the structural stability of the micro-speaker, optionally, the cross section of the second Bian Huasi is L-shaped, and in addition, compared with the washer structure with a rectangular cross section, the second Bian Huasi with an L-shaped cross section can reduce the production consumables, reduce the manufacturing cost, and reduce the overall weight of the micro-speaker.
The third magnetic circuit assembly is at least partially arranged in the slotted hole, and the third vibration assembly is connected with the third magnetic circuit assembly and/or the first magnetic circuit assembly; in detail, the third magnetic circuit assembly includes a third central magnetic steel 81 and a third central washer 82, the third central washer 82 is connected to the bottom surface of the third central magnetic steel 81, the top surface of the third central magnetic steel 81 is connected to the first central magnetic steel 3 or the first central washer 4, and the magnetic pole direction of the third central magnetic steel 81 is opposite to the magnetic pole direction of the first central magnetic steel 3. The third vibration assembly comprises a third vibration film assembly 91 and a third voice coil 92 connected with the third vibration film assembly 91, and a third magnetic gap for the third voice coil 92 to move is formed between the first center magnetic steel 3 and the third center magnetic steel 81.
It should be noted that, the connection between the top surface of the third central magnetic steel 81 and the first central magnetic steel 3 or the first central washer 4 is determined by the depth of the slot, and the depth of the slot may be set according to actual needs.
In this embodiment, the third magnetic circuit assembly further includes a third washer 83, the third washer 83 is connected to the first magnetic circuit assembly, the third washer 83 is disposed around the slot hole, and the third vibration assembly is connected to the third washer 83 and/or the first magnetic circuit assembly. In this embodiment, the cross section of the third edge washer 83 is in an inverted L shape, the cross section of the third edge washer 83 in an inverted L shape can provide a sufficiently large bonding area for the third diaphragm assembly 91, so as to improve the structural stability of the micro-speaker, and meanwhile, the third edge washer 83 in an inverted L shape in cross section can also provide a sufficient vibration space for the third diaphragm assembly 91, so as to avoid the third diaphragm assembly 91 from striking the third edge washer 83 and/or the yoke 2 during the vibration process.
In order to reduce the sectional thickness of the micro-speaker, the yoke 2 is provided with a ring groove, the ring groove is arranged around the slot hole, the inner side of the ring groove is connected with the slot hole, and a partial area of the third washer 83 is positioned in the ring groove.
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. A miniature loudspeaker, characterized by: comprising
The basin stand is provided with a basin stand,
the first magnetic circuit assembly is connected with the basin stand, and a slotted hole is formed in the center of the bottom of the first magnetic circuit assembly;
the first vibration assembly comprises a first vibrating diaphragm assembly, the outer edge of the first vibrating diaphragm assembly is connected with the basin frame, and a window is arranged in the center of the first vibrating diaphragm assembly;
the second magnetic circuit assembly is arranged at the top of the first magnetic circuit assembly and corresponds to the windowing;
the second vibration assembly comprises a second vibrating diaphragm assembly, the second vibrating diaphragm assembly is connected with the second magnetic circuit assembly, and the second vibrating diaphragm assembly is exposed from the window;
a third magnetic circuit assembly at least partially disposed in the slot;
a third vibration assembly connected to the third magnetic circuit assembly and/or the first magnetic circuit assembly;
the inner edge of the first vibrating diaphragm assembly is connected with the second magnetic circuit assembly.
2. A micro-speaker as claimed in claim 1, wherein: the first magnetic circuit assembly comprises a yoke, a first central magnetic steel and a first central washer which are sequentially laminated and connected from bottom to top, and the second magnetic circuit assembly is arranged on the top surface of the first central washer.
3. A micro-speaker as claimed in claim 2, wherein: the second magnetic circuit assembly comprises second center magnetic steel, second center washer, second side magnetic steel and second Bian Huasi, the second center magnetic steel and the second side magnetic steel are respectively connected with the first center washer, the second center washer is arranged on the top surface of the second center magnetic steel, the second Bian Huasi is arranged on the top surface of the second side magnetic steel, the first vibrating diaphragm assembly is connected with the second side magnetic steel and/or the second Bian Huasi, and the second vibrating diaphragm assembly is connected with the second side magnetic steel and/or the second Bian Huasi.
4. A micro-speaker as claimed in claim 3, wherein: the second vibration assembly further comprises a second voice coil connected with the second vibration film assembly, and a second magnetic gap for the second voice coil to move is formed between the second center magnetic steel and the second side magnetic steel.
5. A micro-speaker as claimed in claim 3, wherein: the cross section of the second Bian Huasi is L-shaped.
6. A micro-speaker as claimed in claim 2, wherein: the third magnetic circuit assembly comprises third central magnetic steel and third central washer, the third central washer is connected to the bottom surface of the third central magnetic steel, the top surface of the third central magnetic steel is connected with the first central magnetic steel or the first central washer, and the magnetic pole direction of the third central magnetic steel is opposite to the magnetic pole direction of the first central magnetic steel.
7. A micro-speaker as claimed in claim 6, wherein: the third magnetic circuit assembly further comprises a third side washer, the third side washer is connected with the first magnetic circuit assembly, the third side washer is arranged around the slot hole, and the third vibration assembly is connected with the third side washer and/or the first magnetic circuit assembly.
8. A micro-speaker as claimed in claim 7, wherein: the section of the third side washer is in an inverted L shape.
9. A micro-speaker as claimed in claim 8, wherein: the yoke iron is provided with a ring groove, the ring groove is arranged around the slotted hole, the inner side of the ring groove is connected with the slotted hole, and a part of the area of the third side washer is positioned in the ring groove.
10. A micro-speaker as claimed in claim 6, wherein: the third vibration assembly comprises a third vibrating diaphragm assembly and a third voice coil connected with the third vibrating diaphragm assembly, and a third magnetic gap for the third voice coil to move is formed between the first center magnetic steel and the third center magnetic steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315901.0U CN219999595U (en) | 2023-05-26 | 2023-05-26 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315901.0U CN219999595U (en) | 2023-05-26 | 2023-05-26 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999595U true CN219999595U (en) | 2023-11-10 |
Family
ID=88608562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321315901.0U Active CN219999595U (en) | 2023-05-26 | 2023-05-26 | Miniature loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999595U (en) |
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2023
- 2023-05-26 CN CN202321315901.0U patent/CN219999595U/en active Active
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