CN211531306U

CN211531306U - Loudspeaker monomer

Info

Publication number: CN211531306U
Application number: CN201922388314.4U
Authority: CN
Inventors: 张古清
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-18
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a loudspeaker unit, including the basin frame that has accommodating space with accept in magnetic circuit and vibration system in the accommodating space, vibration system includes voice coil loudspeaker voice coil and vibrating diaphragm subassembly, the vibrating diaphragm subassembly is including being fixed in the vibrating diaphragm of basin frame is located with pasting the ball top of vibrating diaphragm, the ball top is equipped with at least one trompil. Compared with the prior art, the utility model discloses a speaker monomer is through right the ball top trompil reduces the weight of ball top effectively promotes vibrating diaphragm sensitivity.

Description

Loudspeaker monomer

[ technical field ] A method for producing a semiconductor device

The utility model relates to an acoustoelectric conversion field especially relates to a speaker monomer.

[ background of the invention ]

With the development of the electronic industry and the improvement of the life style of people, the application of the micro-speaker on the electronic product is more and more, and as one of important components on the electronic product, the requirement of the micro-speaker on the sensitivity is higher and higher.

As shown in fig. 1, in the prior art, a voice coil 3 ' is used to vibrate a diaphragm 1 ' to generate sound, wherein the diaphragm 1 ' is glued to a dome 2 ', and the dome 2 ' is heavier and has an influence on the sensitivity of the diaphragm.

[ Utility model ] content

To the not enough problem of vibrating diaphragm sensitivity among the prior art, the utility model provides a better speaker monomer of sensitivity.

The utility model provides a loudspeaker unit, its including the basin frame that has accommodating space with accept in magnetic circuit and vibration system in the accommodating space, vibration system includes voice coil loudspeaker voice coil and vibrating diaphragm subassembly, the vibrating diaphragm subassembly is including being fixed in the vibrating diaphragm of basin frame is located with pasting the ball top of vibrating diaphragm, the ball top is equipped with at least one trompil.

Preferably, the speaker unit further includes a front cover, the front cover is fixedly connected to the frame to form an accommodating space, and the diaphragm is clamped between the front cover and the frame.

Preferably, the vibrating diaphragm comprises a sound membrane, a corrugated portion extending outwards from the sound membrane, and a fixing portion extending outwards from the corrugated portion, and the fixing portion is fixedly connected with the basin stand.

Preferably, the fixing part is clamped between the front cover and the basin stand.

Preferably, the front cover and the basin frame are fixedly connected through a four-corner connecting piece to form the accommodating space.

Preferably, the top of the ball is provided with two openings, and the two openings are symmetrically distributed along the long axis direction of the top of the ball.

Preferably, the projection of the opening on the diaphragm along the vibration direction of the diaphragm is rectangular.

Preferably, the ball top is attached to one side of the diaphragm, which is close to the accommodating space.

Compared with the prior art, the utility model discloses a speaker monomer is through right the ball top trompil reduces the weight of ball top effectively promotes sound membrane sensitivity.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

fig. 1 is a schematic partial structure diagram of a speaker unit in the prior art;

fig. 2 is a schematic perspective view of a speaker unit according to the present invention;

fig. 3 is an exploded view of the speaker unit shown in fig. 2;

FIG. 4 is a schematic plan view of the dome shown in FIG. 2;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 6 is an enlarged schematic view of a portion Y shown in fig. 5.

[ detailed description ] embodiments

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 2 to fig. 6. The utility model provides a loudspeaker unit 100, its including the basin frame 10 that has accommodating space 111 with accept in magnetic circuit 30 and vibration system 50 in accommodating space 111, vibration system 50 includes voice coil loudspeaker voice coil 51 and vibrating diaphragm subassembly 52, vibrating diaphragm subassembly 52 is including being fixed in the vibrating diaphragm 521 and the subsides of basin frame 10 are located the ball top 522 of vibrating diaphragm 521, ball top 522 is equipped with at least one trompil 5221.

The speaker unit 100 further includes a front cover 70, the front cover 70 is fixedly connected with the frame 10 to form an accommodating space 111, and the diaphragm 521 is sandwiched between the front cover 70 and the frame 10. The front cover 70 and the basin stand 10 are fixedly connected by a four-corner connector 110 to form an accommodating space 111, and the magnetic circuit system 30 and the vibration system 50 are accommodated in the accommodating space 111. Specifically, in one embodiment, the four corner connectors 110 can be screws or bolts.

The magnetic circuit system 30 comprises a magnetic yoke 31, a main magnetic steel 32 and an auxiliary magnetic steel 33 assembled on the magnetic yoke 31, a main pole core 34 stacked on the main magnetic steel 32, and an auxiliary pole core 35 stacked on the auxiliary magnetic steel 33, wherein the auxiliary magnetic steel 33 and the main magnetic steel 32 are arranged at intervals to form a magnetic gap 36; the voice coil 51 is at least partially inserted into the magnetic gap 36.

The speaker unit 100 further includes an elastic support 112 and a fixing member 113, and the fixing member 113 is used to further fix the frame 10 and the yoke 31. The main magnetic steel 32 and the two auxiliary magnetic steels 33 are attached to the magnetic yoke 31, the main pole core 34 is stacked on the main magnetic steel 32, the two auxiliary pole cores 35 are stacked on the two auxiliary magnetic steels 33 respectively, the two auxiliary magnetic steels 33 are symmetrically arranged on two sides of the main magnetic steel 32, the main magnetic steel 32 and the two auxiliary magnetic steels 33 are positioned on the same plane, and the main pole core 34 and the two auxiliary pole cores 35 are positioned on the same plane; magnetic gaps 36 are formed between the main magnetic steel 32 and the two auxiliary magnetic steels 33 respectively.

The diaphragm 521 includes a diaphragm 5213, a corrugated portion 5215 extending outward from the diaphragm 5213, and a fixing portion 5217 extending outward from the corrugated portion 5215, and the fixing portion 5217 is fixedly connected to the frame 10; specifically, the fixing portion 5217 is interposed between the front cover 70 and the frame 10.

Referring to fig. 4, 5 and 6 together, fig. 4 shows a schematic opening view of the dome 522, fig. 5 is a cross-sectional view of the speaker of fig. 2 along a-a, and fig. 6 shows an enlarged view of a portion Y of fig. 5. The dome 522 is attached to one side of the sound film 5213 close to the accommodating space 111. Specifically, in this embodiment, the dome 522 is provided with two openings: the first opening 5221 and the second opening 5222, and the two first opening 5221 and the second opening 5222 are symmetrically distributed along the long axis direction of the dome 521, so that the weight of the dome is balanced, and the sound quality is optimized; the projection of the opening on the diaphragm 521 along the vibration direction of the diaphragm 521 is rectangular. In other embodiments, the opening in the dome 52 may comprise other shapes or sizes, and the invention is not limited thereto.

Compared with the prior art, the utility model discloses a speaker monomer is through right the ball top trompil reduces the weight of ball top effectively promotes vibrating diaphragm sensitivity.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. The utility model provides a loudspeaker unit, its including the basin frame that has accommodating space with accept in magnetic circuit and vibration system in the accommodating space, vibration system includes voice coil loudspeaker voice coil and vibrating diaphragm subassembly, the vibrating diaphragm subassembly is including being fixed in the vibrating diaphragm of basin frame is located with pasting the ball top of vibrating diaphragm, its characterized in that: the top of the ball is provided with at least one opening.

2. The speaker unit as claimed in claim 1, further comprising a front cover, wherein the front cover is fixedly connected to the frame to form an accommodation space, and the diaphragm is sandwiched between the front cover and the frame.

3. The speaker unit as claimed in claim 2, wherein the diaphragm comprises a diaphragm, a corrugated portion extending outwardly from the diaphragm, and a fixing portion extending outwardly from the corrugated portion, and the fixing portion is fixedly connected to the frame.

4. The speaker cell as claimed in claim 3, wherein the fixing portion is interposed between the front cover and the frame.

5. The speaker unit as claimed in claim 2, wherein the front cover and the frame are fixedly connected to form the receiving space by a four-corner connector.

6. The speaker cell as claimed in claim 1, wherein the dome has two openings, and the two openings are symmetrically distributed along a long axis of the dome.

7. The speaker cell as claimed in claim 1, wherein the projection of the opening onto the diaphragm along the vibration direction of the diaphragm is rectangular.

8. The speaker unit as claimed in claim 1, wherein the dome is attached to a side of the diaphragm close to the receiving space.