Miniature loudspeaker and electronic equipment
Technical Field
The present utility model relates to electroacoustic transducers, and more particularly to a micro speaker and an electronic device.
Background
The double-sided loudspeaker can realize double-sided sound production, and the electronic equipment (such as a mobile phone) carrying the double-sided loudspeaker has better call privacy in a receiver mode, so that the micro-loudspeaker capable of double-sided sound production has better market application prospect.
However, the conventional double-sided sounding micro speaker generally has a problem of large section thickness, so that the conventional double-sided sounding micro speaker cannot be well adapted to the trend of thinning electronic equipment (such as the technical scheme disclosed in the chinese patent application No. 202220091570.6).
Disclosure of utility model
The technical problems solved by the utility model are as follows: provided are a high-performance micro-speaker capable of producing sound from both sides, which has a small thickness, and an electronic device having the micro-speaker.
In order to solve the technical problems, the first technical scheme adopted by the utility model is as follows: a micro-speaker, comprising:
the washer structure comprises a supporting plate, connecting arms and an upper Hua Sihuan frame, wherein flanges formed by upward bending are respectively arranged on two opposite sides of the supporting plate, the connecting arms are respectively connected to two ends of the supporting plate, and the connecting arms are connected with the upper Hua Sihuan frame;
The central magnetic structure is arranged on the supporting plate and is positioned between the two flanging edges;
A lower Hua Sihuan box, the lower Hua Sihuan box being located below the upper Hua Sihuan box;
The side magnetic steels are respectively connected with the upper Hua Sihuan frame and the lower Hua Sihuan frame, and the four sides of the central magnetic structure are respectively correspondingly provided with the side magnetic steels;
The upper vibration assembly comprises an upper vibration film assembly and an annular voice coil, the upper vibration film assembly is connected with the upper Hua Sihuan frame and the annular voice coil, and the annular voice coil is arranged corresponding to the central magnetic structure;
The lower vibration assembly comprises a lower vibration film assembly, a first vertical voice coil and a second vertical voice coil, the lower vibration film assembly is respectively connected with the lower Hua Sihuan frame, the first vertical voice coil and the second vertical voice coil, two sides of the connecting arm are respectively correspondingly provided with the first vertical voice coil, and the outer side of the flanging is correspondingly provided with the second vertical voice coil.
In an embodiment, an outer edge of the upper Hua Sihuan frame is provided with an upper mounting portion, the upper mounting portion is located above the upper Hua Sihuan frame, and an edge of the upper diaphragm assembly is connected with the upper mounting portion.
In an embodiment, the upper mounting portion and the upper Hua Sihuan frame are made of the same or different materials.
In an embodiment, a lower mounting portion is disposed at an outer edge of the lower Hua Sihuan frame, the lower mounting portion is located below the lower Hua Sihuan frame, and an edge of the lower diaphragm assembly is connected to the lower mounting portion.
In an embodiment, the lower mounting portion and the lower Hua Sihuan frame are made of the same or different materials.
In an embodiment, the connecting arm comprises a magnetic conduction arm, a bending arm and an extension arm which are connected in sequence, wherein the magnetic conduction arm is connected with the bending arm to form a convex structure, and the magnetic conduction arm is perpendicular to the extension arm.
In an embodiment, the central magnetic structure comprises a central magnetic steel and a central washer, and the central magnetic steel is connected with the supporting plate and the central washer.
In one embodiment, the washer structure is a one-piece structure that is integrally formed.
In an embodiment, the upper diaphragm assembly includes an upper diaphragm and an upper dome disposed in a central region of the upper diaphragm.
In order to solve the technical problems, the second technical scheme adopted by the utility model is as follows: electronic equipment comprises the micro-speaker.
The utility model has the beneficial effects that: the miniature loudspeaker has novel structure, can realize coaxial double-sided sound production, has high conversation privacy for the electronic equipment with the miniature loudspeaker, has four first vertical voice coils and two second vertical voice coils, has high sensitivity and large loudness, and is beneficial to improving the acoustic performance of the miniature loudspeaker; the micro-speaker has small section thickness and small occupied space, and can be well adapted to the development trend of 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;
fig. 2 is a second cross-sectional view of a micro-speaker according to a first embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a portion of a micro-speaker according to a first embodiment of the present utility model;
Fig. 4 is a schematic structural diagram of a washer structure in a micro speaker according to a first embodiment of the present utility model.
Reference numerals illustrate:
1. a washer structure; 11. a support plate; 111. flanging; 12. a connecting arm; 121. a magnetic conduction arm; 122. bending the arm; 123. an extension arm; 13. a Hua Sihuan frame is arranged on the upper part; 131. an upper mounting portion;
21. A center magnetic steel; 22. a central washer;
3. A lower Hua Sihuan frame; 31. a lower mounting portion;
4. Edge magnetic steel;
51. An upper diaphragm assembly; 52. an annular voice coil;
61. A lower diaphragm assembly; 62. a first vertical voice coil; 63. and a second vertical 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 merely for explaining a relative positional relationship, a movement condition, and the like between the components in a specific posture as 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 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; 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 application can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present utility model is as follows: the electronic equipment can be a mobile phone, a tablet personal computer, a smart watch, an interphone, a game handle and the like. The electronic device is equipped with a micro-speaker.
The miniature loudspeaker comprises a washer structure 1, a central magnetic structure, a lower Hua Sihuan frame 3, edge magnetic steel 4, an upper vibration component and a lower vibration component, wherein the washer structure 1 comprises a support plate 11, a connecting arm 12 and an upper Hua Sihuan frame 13, the support plate 11 corresponds to a hollow area of the upper Hua Sihuan frame 13 and is positioned below the upper Hua Sihuan frame 13, flanges 111 formed by upward bending are respectively arranged on two opposite sides of the support plate 11, the two ends of the support plate 11 are respectively connected with the connecting arm 12, the connecting arm 12 is connected with the upper Hua Sihuan frame 13, and particularly one end of the connecting arm 12 far away from the support plate 11 is connected with the inner wall of the upper Hua Sihuan frame 13; the central magnetic structure is arranged on the supporting plate 11 and is positioned between the two flanges 111, the central magnetic structure comprises central magnetic steel 21 and a central washer 22, the central magnetic steel 21 is connected with the supporting plate 11 and the central washer 22, and the height of the central washer 22 is flush or approximately flush with the height of the upper Hua Sihuan frame 13; the lower Hua Sihuan frame 3 is located below the upper Hua Sihuan frame 13, the height of the lower Hua Sihuan frame 3 is flush or approximately flush with the height of the supporting plate 11, the edge magnetic steels 4 are respectively connected with the upper Hua Sihuan frame 13 and the lower Hua Sihuan frame 3, the center magnetic steel 21 is rectangular or approximately rectangular, and the four sides of the center magnetic structure are respectively provided with the edge magnetic steels 4 correspondingly;
the upper vibration assembly includes an upper vibration film assembly 51 and an annular voice coil 52, the upper vibration film assembly 51 connects the upper Hua Sihuan frame 13 and the annular voice coil 52, the annular voice coil 52 is disposed corresponding to the central magnetic structure, in detail, a first gap between the flange 111 and the central magnetic structure and a second gap between the connecting arm 12 and the central magnetic structure form a magnetic gap for the annular voice coil 52 to move. In this embodiment, the upper diaphragm assembly 51 includes an upper sound membrane and an upper dome disposed in a central area of the upper sound membrane. In other embodiments, the upper diaphragm assembly 51 may not have the upper dome, and may be specifically configured according to actual needs.
The lower vibration assembly comprises a lower vibration film assembly 61, a first vertical voice coil 62 and a second vertical voice coil 63, the lower vibration film assembly 61 is respectively connected with the lower Hua Sihuan frame 3, the first vertical voice coil 62 and the second vertical voice coil 63, the two sides of the connecting arm 12 are respectively correspondingly provided with the first vertical voice coil 62, and the outer side of the flange 111 is correspondingly provided with the second vertical voice coil 63. It is easy to understand that the number of the first vertical voice coils 62 is four, and the number of the second vertical voice coils 63 is two. In this embodiment, the lower diaphragm assembly 61 includes a lower sound membrane and a lower dome disposed in a central region of the lower sound membrane. In other embodiments, the lower diaphragm assembly 61 may not have the lower dome, and may be specifically configured according to actual needs.
It is easy to understand that the actions of the washer structure 1 and the lower Hua Sihuan frame 3 both shift the induction line of the magnetic field, so as to exert the magnetic conduction effect.
The outer edge of the upper Hua Sihuan frame 13 is provided with an upper mounting portion 131, the upper mounting portion 131 is located above the upper Hua Sihuan frame 13, the edge of the upper diaphragm assembly 51 is connected with the upper mounting portion 131, and the upper mounting portion 131 is used for leaving enough movable space for the upper diaphragm assembly 51. The material of the upper mounting portion 131 is the same as or different from that of the upper Hua Sihuan frame 13, and when the material of the upper mounting portion 131 is the same as that of the upper Hua Sihuan frame 13, for facilitating the manufacture of the washer structure 1 and the assembly production of the micro-speaker, preferably, the upper mounting portion 131 and the upper Hua Sihuan frame 13 are integrally formed as a unitary structure, and more preferably, the washer structure 1 is integrally formed as a unitary structure.
The outer edge of the lower Hua Sihuan frame 3 is provided with a lower mounting portion 31, the lower mounting portion 31 is located below the lower Hua Sihuan frame 3, the edge of the lower diaphragm assembly 61 is connected with the lower mounting portion 31, and the lower mounting portion 31 is used for leaving enough movable space for the lower diaphragm assembly 61. The material of the lower mounting portion 31 is the same as or different from that of the lower Hua Sihuan frame 3, and when the material of the lower mounting portion 31 is the same as that of the lower Hua Sihuan frame 3, in order to facilitate the manufacture of the lower Hua Sihuan frame 3 and the assembly production of the micro-speaker, it is preferable that the lower mounting portion 31 and the lower Hua Sihuan frame 3 are integrally formed as a one-piece structure.
In this embodiment, the connecting arm 12 includes a magnetic conduction arm 121, a bending arm 122 and an extension arm 123 that are sequentially connected, the magnetic conduction arm 121 is connected with the bending arm 122 to form a convex structure, the width of the magnetic conduction arm 121 is greater than that of the bending arm 122, the magnetic conduction arm 121 is connected with the supporting plate 11, the magnetic conduction arm 121 is perpendicular to the extension arm 123, and the extension arm 123 is flush with the upper Hua Sihuan frame 13 and is connected with the upper Hua Sihuan frame 13.
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.