CN223182310U - micro speakers - Google Patents
micro speakersInfo
- Publication number
- CN223182310U CN223182310U CN202422121608.1U CN202422121608U CN223182310U CN 223182310 U CN223182310 U CN 223182310U CN 202422121608 U CN202422121608 U CN 202422121608U CN 223182310 U CN223182310 U CN 223182310U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- arm
- magnetic structure
- magnetic steel
- bass
- 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.)
- Active
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
本实用新型公开了微型扬声器，包括盆架、磁路组件、高音振动组件、低音振动组件和导通件，磁路组件包括轭铁及分别设于轭铁上的内磁结构、中心磁结构及边磁结构，边磁结构连接盆架，中心磁结构与边磁结构之间形成低音磁间隙，中心磁结构包括由下至上依次堆叠相连的环形下磁钢、中心华司及环形上磁钢，内磁结构位于中心磁结构的中空区域内，内磁结构与中心磁结构之间形成高音磁间隙；高音振动组件包括相连的高音振膜组件及高音音圈，高音振膜组件连接环形上磁钢，高音音圈对应于高音磁间隙设置；低音振动组件包括相连的低音振膜组件及低音音圈。本微型扬声器结构新颖，组成部件少，厚度薄且声学性能好。
The utility model discloses a micro-speaker comprising a frame, a magnetic circuit assembly, a treble vibration assembly, a bass vibration assembly, and a conductive member. The magnetic circuit assembly comprises a yoke and an inner magnetic structure, a central magnetic structure, and a side magnetic structure, each of which is disposed on the yoke. The side magnetic structure is connected to the frame, and a bass magnetic gap is formed between the central magnetic structure and the side magnetic structure. The central magnetic structure comprises an annular lower magnetic steel, a central washer, and an annular upper magnetic steel, which are stacked and connected in sequence from bottom to top. The inner magnetic structure is located within the hollow region of the central magnetic structure, and a treble magnetic gap is formed between the inner magnetic structure and the central magnetic structure. The treble vibration assembly comprises a connected treble diaphragm assembly and a treble voice coil, the treble diaphragm assembly being connected to the annular upper magnetic steel, and the treble voice coil being disposed corresponding to the treble magnetic gap. The bass vibration assembly comprises a connected treble diaphragm assembly and a treble voice coil. This micro-speaker has a novel structure, few components, a thin thickness, and excellent acoustic performance.
Description
Technical Field
The utility model relates to the technical field of electroacoustic converters, in particular to a miniature loudspeaker.
Background
The high-pitch unit and the low-pitch unit of the coaxial micro-speaker respectively comprise an independent vibration system and a magnetic circuit system, the structure is complex, the overall height of the coaxial micro-speaker formed by the high-pitch unit and the low-pitch unit in a coaxial way is increased, the installation is inconvenient due to the overhigh height, and the applicability of products is reduced; in addition, the coaxial micro-speaker needs to be designed with a conducting circuit, and the conducting circuit occupies a larger space, so that the improvement of the acoustic performance of the coaxial micro-speaker is limited.
Disclosure of utility model
The utility model solves the technical problem of providing the miniature loudspeaker with good acoustic performance and thin thickness.
In order to solve the technical problems, the utility model adopts the technical scheme that the micro loudspeaker comprises:
a basin stand;
The magnetic circuit assembly comprises a yoke, an inner magnetic structure, a central magnetic structure and an edge magnetic structure, wherein the inner magnetic structure, the central magnetic structure and the edge magnetic structure are respectively arranged on the yoke, the edge magnetic structure is connected with the basin frame, a bass magnetic gap is formed between the central magnetic structure and the edge magnetic structure, the central magnetic structure comprises annular lower magnetic steel, a central washer and annular upper magnetic steel which are sequentially stacked and connected from bottom to top, the inner magnetic structure is positioned in a hollow area of the central magnetic structure, and a treble magnetic gap is formed between the inner magnetic structure and the central magnetic structure;
The high-pitch vibration assembly comprises a high-pitch vibration film assembly and a high-pitch voice coil which are connected, the high-pitch vibration film assembly is connected with the annular upper magnetic steel, and the high-pitch voice coil is arranged corresponding to the Gao Yinci gap;
The bass vibration assembly comprises a bass vibration film assembly and a bass voice coil which are connected, the bass vibration film assembly is arranged around the treble vibration film assembly, the bass vibration film assembly is connected with the annular upper magnetic steel and the basin frame, and the bass voice coil is arranged corresponding to the bass magnetic gap;
The inner magnetic structure is provided with a through hole for the conducting piece to penetrate, the conducting piece is provided with an inner conducting part and an outer conducting part which are electrically connected, the inner conducting part is electrically connected with the high-pitch voice coil, and the yoke is provided with a clearance window for the outer conducting part to be exposed.
In an embodiment, the inner edge of the top of the annular upper magnetic steel is provided with a step structure, and the outer edge of the high-pitch diaphragm assembly is connected to the step structure.
In an embodiment, the magnetic poles of one end of the annular upper magnetic steel and one end of the annular lower magnetic steel, which are close to each other, are the same in polarity, the magnetic poles of the bottom end of the inner magnetic structure are opposite in polarity to those of the bottom end of the annular lower magnetic steel, and the magnetic poles of the bottom end of the side magnetic structure are opposite in polarity to those of the bottom end of the annular lower magnetic steel.
In an embodiment, the conducting piece is an FPC board, the conducting piece includes a first arm, a second arm and a third arm, two ends of the first arm are respectively and vertically connected with the second arm, one end, away from the first arm, of the second arm is vertically connected with the third arm, the first arm is fixed on the bottom surface of the inner magnetic structure and is located in the clearance window, the second arm penetrates through the through hole, the third arm is fixed on the top surface of the inner magnetic structure, the inner conducting part is arranged on the third arm, and the outer conducting part is arranged on the first arm.
In one embodiment, the thickness of the first arm is less than the thickness of the yoke.
In an embodiment, the clearance window is cross, the both sides of first arm have the extension that extends outwards respectively, the partial region of extension with magnet steel fixed connection under the annular, outer conduction portion locates on the extension.
In an embodiment, the inner magnetic structure comprises inner magnetic steel and an inner washer, wherein the bottom surface of the inner magnetic steel is connected with the yoke, and the top surface of the inner magnetic steel is connected with the bottom surface of the inner washer.
In an embodiment, the inner magnetic steel and the annular lower magnetic steel are of an integrated structure formed by integrally processing, and the bottom of the inner magnetic steel is connected with the bottom of the annular lower magnetic steel through a connecting part.
The miniature loudspeaker has the advantages of novel structure, few component parts, convenience in assembly and manufacture, low assembly cost, small occupied space and contribution to improving the acoustic performance of the miniature loudspeaker, and the high-pitched unit of the miniature loudspeaker is not excessively protruded, so that the thickness of the miniature loudspeaker can be kept in a relatively thin state, the miniature loudspeaker can be suitable for a mounting environment with a relatively narrow mounting space and accords with the development trend of light and thin portable 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;
Fig. 2 is an exploded view of a micro speaker according to a first embodiment of the present utility model;
Fig. 3 is a cross-sectional view of a micro-speaker according to a second embodiment of the present utility model;
Fig. 4 is a schematic structural diagram of a portion of a micro-speaker according to a second embodiment of the present utility model.
Reference numerals illustrate:
1. A basin stand;
2. Magnetic circuit assembly, 21, yoke iron, 211, clearance window, 22, inner magnetic structure, 221, inner magnetic steel, 222, inner washer, 23, central magnetic structure, 231, annular lower magnetic steel, 232, central washer, 233, annular upper magnetic steel, 2331, step structure, 24, side magnetic structure, 25, connecting part;
3. The high-pitch vibration assembly, 31, high-pitch vibrating diaphragm assembly, 32, high-pitch voice coil;
4. A bass vibration assembly; 41, a bass diaphragm assembly, 42, a bass voice coil;
5. The conductive member 51, the first arm 52, the second arm 53, the third arm 54 and the extension part.
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 and 2, a micro-speaker according to an embodiment of the utility model includes a frame 1, a magnetic circuit assembly 2, a high-pitched vibration assembly 3, a low-pitched vibration assembly 4, and a conducting member 5, wherein the magnetic circuit assembly 2 includes a yoke 21, an inner magnetic structure 22, a central magnetic structure 23, and a side magnetic structure 24 respectively disposed on the yoke 21, the side magnetic structure 24 is connected to the frame 1, a low-pitched magnetic gap is formed between the central magnetic structure 23 and the side magnetic structure 24, the central magnetic structure 23 includes an annular lower magnetic steel 231, a central washer 232, and an annular upper magnetic steel 233 which are sequentially stacked and connected from bottom to top, the inner magnetic structure 22 is disposed in a hollow area of the central magnetic structure 23, and a high-pitched magnetic gap is formed between the inner magnetic structure 22 and the central magnetic structure 23;
The high-pitch vibration assembly 3 comprises a high-pitch vibration film assembly 31 and a high-pitch voice coil 32 which are connected, the high-pitch vibration film assembly 31 is connected with the annular upper magnetic steel 233, the high-pitch voice coil 32 is arranged corresponding to the Gao Yinci gap, the low-pitch vibration assembly 4 comprises a low-pitch vibration film assembly 41 and a low-pitch voice coil 42 which are connected, the low-pitch vibration film assembly 41 is arranged around the high-pitch vibration film assembly 31, the low-pitch vibration film assembly 41 is connected with the annular upper magnetic steel 233 and the basin frame 1, and the low-pitch voice coil 42 is arranged corresponding to the low-pitch magnetic gap;
The inner magnetic structure 22 has a through hole for the conducting member 5 to pass through, the conducting member 5 has an inner conducting portion and an outer conducting portion electrically connected, the inner conducting portion is electrically connected with the voice coil 32, and the yoke 21 has a clearance window 211 for exposing the outer conducting portion.
For letting high pitch diaphragm subassembly 31 can realize more accurate location installation, the inner border at the top of magnet steel 233 is equipped with step structure 2331 on the annular, the outward flange of high pitch diaphragm subassembly 31 is connected on step structure 2331, in this embodiment, high pitch diaphragm subassembly 31 bonding is fixed on the step face of step structure 2331. The high-pitch diaphragm assembly 31 sinks, so that the high-pitch diaphragm assembly 31 can be protected to a certain extent, the damage probability of the high-pitch diaphragm assembly 31 is reduced, and meanwhile, the high-pitch voice coil 32 can better correspond to the central washer 232.
The magnetic poles of the ends of the annular upper magnetic steel 233 and the annular lower magnetic steel 231, which are close to each other, are the same, namely, when the bottom end of the annular upper magnetic steel 233 is an N pole, the top end of the annular lower magnetic steel 231 is also an N pole, when the bottom end of the annular upper magnetic steel 233 is an S pole, the top end of the annular lower magnetic steel 231 is also an S pole, the magnetic poles of the bottom end of the inner magnetic structure 22 are opposite to the magnetic poles of the bottom end of the annular lower magnetic steel 231, namely, when the bottom end of the inner magnetic structure 22 is an N pole, the bottom end of the annular lower magnetic steel 231 is an S pole, when the bottom end of the inner magnetic structure 22 is an S pole, the bottom end of the annular lower magnetic steel 231 is an N pole, namely, when the bottom end of the side magnetic structure 24 is an N pole, the bottom end of the annular lower magnetic steel 231 is an S pole, and when the bottom end of the side magnetic structure 24 is an S pole, the bottom end of the annular lower magnetic steel 231 is an N pole.
The conducting member 5 is an FPC board, the conducting member 5 includes a first arm 51, a second arm 52 and a third arm 53, two ends of the first arm 51 are respectively and vertically connected with the second arm 52, one end, away from the first arm 51, of the second arm 52 is vertically connected with the third arm 53, the first arm 51 is fixed on the bottom surface of the inner magnetic structure 22 and is located in the clearance window 211, the second arm 52 is arranged in the through hole in a penetrating manner, the third arm 53 is fixed on the top surface of the inner magnetic structure 22, the inner conducting portion is arranged on the third arm 53, and the outer conducting portion is arranged on the first arm 51.
In order to allow the first arm 51 to be protected to some extent, the thickness of the first arm 51 is smaller than the thickness of the yoke 21.
In this embodiment, the space-avoiding window 211 is cross-shaped, two sides of the first arm 51 have extending portions 54 extending outwards respectively, a partial area of the extending portions 54 is fixedly connected with the annular lower magnetic steel 231, and the outer conducting portion is disposed on the extending portions 54. This allows the first arm 51 to have sufficient area to provide the outer conducting portion.
In detail, the inner magnetic structure 22 includes an inner magnetic steel 221 and an inner washer 222, wherein the bottom surface of the inner magnetic steel 221 is connected to the yoke 21, and the top surface of the inner magnetic steel 221 is connected to the bottom surface of the inner washer 222.
Example two
Referring to fig. 3 and 4, a second embodiment of the present utility model is a parallel technical solution of the first embodiment, and is different from the first embodiment in that:
The inner magnetic steel 221 and the annular lower magnetic steel 231 are integrally formed into an integral structure, and the bottom of the inner magnetic steel 221 is connected with the bottom of the annular lower magnetic steel 231 through a connecting part 25.
In this embodiment, the polarity of the bottom magnetic pole of the inner magnetic steel 221 is opposite to the polarity of the bottom magnetic pole of the annular lower magnetic steel 231, that is, when the bottom of the inner magnetic steel 221 is the S pole, the bottom of the annular lower magnetic steel 231 is the N pole, and when the bottom of the inner magnetic steel 221 is the N pole, the bottom of the annular lower magnetic steel 231 is the S pole. In the processing process, the integrated structure can realize that the same side has two polarities simultaneously in a bidirectional magnetizing mode.
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 (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422121608.1U CN223182310U (en) | 2024-08-29 | 2024-08-29 | micro speakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422121608.1U CN223182310U (en) | 2024-08-29 | 2024-08-29 | micro speakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223182310U true CN223182310U (en) | 2025-08-01 |
Family
ID=96529715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422121608.1U Active CN223182310U (en) | 2024-08-29 | 2024-08-29 | micro speakers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223182310U (en) |
-
2024
- 2024-08-29 CN CN202422121608.1U patent/CN223182310U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219876101U (en) | Miniature loudspeaker | |
| CN119012087A (en) | Sound producing device and electronic equipment | |
| CN222852382U (en) | A miniature speaker | |
| CN223182292U (en) | A miniature speaker | |
| CN219876100U (en) | Miniature loudspeaker | |
| CN223231303U (en) | micro speakers | |
| CN223182309U (en) | micro speakers | |
| CN223231302U (en) | micro speakers | |
| CN223182306U (en) | micro speakers | |
| CN222509504U (en) | Miniature loudspeaker | |
| CN221240499U (en) | Micro-speaker, speaker module and terminal equipment | |
| CN221886720U (en) | Miniature loudspeaker and electronic equipment | |
| CN223978744U (en) | Sound producing unit | |
| CN223978748U (en) | Sound producing unit | |
| CN219999595U (en) | Miniature loudspeaker | |
| CN223182305U (en) | micro speakers | |
| CN223231299U (en) | A miniature speaker | |
| CN223231322U (en) | Miniature loudspeaker | |
| CN223182311U (en) | micro speakers | |
| CN223415017U (en) | Miniature loudspeaker | |
| CN220307358U (en) | Miniature loudspeaker | |
| CN223182314U (en) | Sound producing unit | |
| CN223182287U (en) | A speaker unit | |
| CN222089754U (en) | Micro speaker and electronic device | |
| CN222424000U (en) | A miniature speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |