CN205545905U

CN205545905U - Loudspeaker module group

Info

Publication number: CN205545905U
Application number: CN201620066695.8U
Authority: CN
Inventors: 范双双; 陈钢
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2016-01-22
Filing date: 2016-01-22
Publication date: 2016-08-31
Anticipated expiration: 2026-01-22

Abstract

The utility model provides a loudspeaker module group, including the module casing and accept the speaker monomer in the module casing, its characterized in that is provided with on the module casing and reveals the mouth, wherein, being provided with the bullet pad revealing mouthful the department, stacking up at the bullet and be provided with and reveal the corresponding trompil in mouthful position, it has the screen cloth to paste in trompil department of bullet pad. Utilize above -mentioned utility model, can adjust the volume of revealing of the operatic tunes behind the loudspeaker module group, simultaneously, can prevent that external foreign matter from getting into revealing in the mouth of loudspeaker module group to the acoustic performance who ensures the speaker stabilizes adjustablely.

Description

Loudspeaker module

Technical Field

The utility model relates to an acoustics technical field, more specifically relates to a speaker module that can adjust back acoustic cavity leakage hole size.

Background

With the expansion of consumer electronics market, a large number of consumer electronics products such as mobile phones and notebook computers are widely used, and as important acoustic components in consumer electronics products, sound production devices have wide requirements. With the increasing demand of consumer electronics, the performance of sound generating devices is receiving more and more attention.

The sound generating device in the prior art mainly includes a module housing and a speaker unit system accommodated in the module housing and composed of a diaphragm, a voice coil, a magnetic circuit, etc., and the speaker unit system is generally clamped in the module housing. The loudspeaker single body system divides an inner cavity formed by the module shell into a front sound cavity and a rear sound cavity, the front sound cavity is communicated with the sound outlet, and the rear sound cavity is a sealing device. Wherein, for the atmospheric pressure balance of guaranteeing preceding sound chamber and back sound chamber, avoid the atmospheric pressure difference to influence the vibration of vibrating diaphragm, be provided with the groove of revealing that makes back sound chamber and external world switch on the module shell.

At present, the size of revealing the groove is not adjustable, can not realize speaker acoustic effect's diversification, consequently, needs one kind to adjust to reveal the groove size in order to carry out beneficial influence's speaker acoustic performance speaker module structure.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the present invention provides a speaker module to solve the problem that the size of the leakage slot of the current speaker cannot be adjusted.

The utility model provides a loudspeaker module, which comprises a module shell and a loudspeaker monomer accommodated in the module shell, wherein a leakage port is arranged on the module shell; wherein, be provided with the bullet pad in leak opening department, be provided with the trompil corresponding with leak opening position on the bullet pad, paste at the trompil department of bullet pad and have the screen cloth.

Further, it is preferable that the leakage port is an elongated leakage groove, a circular leakage hole, or an irregularly shaped leakage device.

In addition, the preferred structure is that the module casing includes module mesochite and module epitheca and module inferior valve with module mesochite looks adaptation, is provided with the accepting groove on the module mesochite, and the speaker monomer card is established in the accepting groove.

Further, it is preferable that the leakage port is provided on a side wall of the case in the module.

In addition, the preferred structure is that the shape and position of bullet pad and screen cloth are adapted with the shape and position of leakage opening.

In addition, it is preferable that the elastic pad is adhesively fixed to the module case.

In addition, the speaker unit preferably divides the cavity formed by the module case into a front acoustic chamber and a rear acoustic chamber.

In addition, the preferable structure is that the front sound cavity is communicated with the sound outlet, and the rear sound cavity is a closed space; and the rear sound cavity is communicated with the outside through the leakage port.

Further, it is preferable that the speaker unit includes a vibration system and a magnetic circuit system; the vibration system comprises a vibrating diaphragm and a voice coil fixed on one side of the vibrating diaphragm; the magnetic circuit system comprises a magnetic conducting yoke, a magnet fixed on one side, close to the vibrating diaphragm, of the magnetic conducting yoke, and a washer arranged on one side, far away from the magnetic conducting yoke, of the magnet.

In addition, the preferred structure is that the leakage quantity of leakage opening matches with the area of trompil and mesh number of screen cloth.

According to the technical scheme provided by the utility model, the utility model discloses a speaker module is through trompil position and size on the adjustment bullet pad, can adjust the open area of leak opening, finally realizes adjusting the leakage quantity that leaks in back sound chamber to make the speaker realize different acoustic effects, improve the acoustic performance of speaker product.

Drawings

Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:

Fig. 1 is a schematic view of a loudspeaker module decomposition structure according to an embodiment of the present invention;

fig. 2 is a top view of a speaker module according to an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2.

Wherein the reference numerals include: module epitheca 1, module mesochite 2, speaker monomer 3, bullet pad 4, screen cloth 5, leak opening 6, module inferior valve 7.

The same reference numbers in all figures indicate similar or corresponding features or functions.

Detailed Description

For describing the speaker module structure of the present invention in detail, the following description will be made in conjunction with the accompanying drawings.

Fig. 1 shows an exploded structure of a speaker module according to an embodiment of the present invention.

As shown in fig. 1, the speaker module according to the embodiment of the present invention includes a module housing and a speaker unit 3 accommodated in a cavity formed by the module housing, wherein a leakage opening 6 is formed on the module housing; wherein, be provided with bullet pad 4 in leak opening 6 department, be provided with the trompil corresponding with leak opening 6 positions on bullet pad 4, paste at the trompil department of bullet pad 4 and have screen cloth 5, through the size and the position of adjustment trompil, the size of the leakage rate of leak opening 6 is controlled, finally realizes the influence to speaker acoustic performance.

The module shell comprises a module middle shell 2, a module upper shell 1 and a module lower shell 7, wherein the module upper shell 1 and the module lower shell are matched with the module middle shell 2, an accommodating groove is formed in the module middle shell 2, a loudspeaker monomer 3 is clamped in the accommodating groove, a cavity formed by the module shell is divided into a front sound cavity and a rear sound cavity by the loudspeaker monomer 3, the front sound cavity is communicated with the external environment through a side sound outlet hole in the side wall of the module upper shell, and the rear sound cavity is a closed space; for making the air pressure balance between the back of the front acoustic cavity and the back acoustic cavity, avoiding the air pressure difference to influence the vibrating diaphragm, a leakage opening 6 is arranged on the side wall of the module middle shell 2, and the back acoustic cavity is communicated with the outside through the leakage opening 6.

It should be noted that the utility model discloses a leak can be for rectangular form reveal groove, circular leak hole or the irregular device etc. of revealing of shape, can realize speaker module back sound chamber and external switch on all can.

The utility model discloses an among the speaker module, leak opening 6 sets up on the terminal surface of the lateral wall of module mesochite 2, is provided with bullet pad 4 in leak opening 6 department, and the trompil position of bullet pad 4 is corresponding with leak opening 6, through the trompil of adjustment bullet pad 4 and the corresponding relation of the 6 areas of leak opening to and the size of adjustment trompil, the through-hole size that can control back sound cavity and external world and switch on, and then the leakage quantity of adjustment speaker realizes the diversification of speaker acoustic effect.

It should be noted that, in a specific embodiment of the present invention, the elastic pad 4 may be fixed on the module housing by gluing, and of course, the fixing of the elastic pad and the module housing may also be realized by other different manners, which is not limited herein. For example, when the bullet pad is fixed in leak 6 department through gluing etc. mode, to the product of different specifications or requirements, can set up the trompil of equidimension not, then under the cooperation of screen cloth 5, realize the adjustment to leak 6. When the bullet pad passes through swing joint modes such as pull groove to be fixed on the module casing, can set up leak opening 6 into irregular shape, through the relative position who changes bullet pad 4 and leak opening 6, can adjust the size that the back acoustic cavity leaked the volume.

It can be seen that, in the fixing manner of the elastic pad 4 proposed by the present invention, various improvements can be made without departing from the contents of the present invention.

The utility model discloses an in another embodiment, the mesh cloth 5 is established in the trompil department subsides of bullet pad, through the mesh number that changes mesh cloth 5, can realize the adjustment to leak opening 6. In addition, screen cloth 5 not only can reduce the influence that leak opening 6 should be able to the product acoustics, also can prevent the tiny particle pollutant in the air to get into inside the speaker module to ensure the tone quality and the acoustic performance of speaker module in the use.

Specifically, fig. 2 shows a top view structure of a speaker module according to an embodiment of the present invention, and fig. 3 shows a partial enlarged structure of a portion a in fig. 2.

As shown in fig. 1 to 3 jointly, the utility model discloses a speaker module, leak opening 6 are rectangular form structure, and the trompil setting of bullet pad 4 is in the one end of leak opening 6, and the shape and the position of bullet pad 4 and screen cloth 5 and the shape and the position looks adaptation of leak opening 6. The size of the opening of the elastic pad 4 or the position of the opening is adjusted to control the size of the opening of the leakage opening 6, in other words, the leakage amount of the leakage opening 6 is related to the area of the opening and the mesh number of the mesh cloth 5.

In another embodiment of the present invention, the speaker unit 3 includes a vibration system and a magnetic circuit system; the vibration system comprises a vibrating diaphragm and a voice coil fixed on one side of the vibrating diaphragm; the magnetic circuit system comprises a magnetic conducting yoke, a magnet fixed on one side, close to the vibrating diaphragm, of the magnetic conducting yoke, and a washer arranged on one side, far away from the magnetic conducting yoke, of the magnet. Wherein, the washer can adopt a magnetic conductive material and is used for correcting magnetic lines; the magnetic yoke sets up between magnificent department, magnet and speaker monomer shell, adopts the material preparation of high magnetic conduction to form, fixes on speaker monomer shell through rubber coating or fixed column in the use, can play radiating effect, avoids magnetic circuit during operation high temperature, guarantees the acoustic performance stability of speaker module.

Can find out through above-mentioned embodiment, the utility model provides a speaker module, through the mesh number that changes the size, position or the screen cloth of the trompil on the bullet pad, can adjust the area that speaker module leak source and external world switched on to make the speaker have multiple acoustic effect, improve the acoustic performance of speaker product.

The speaker module according to the present invention has been described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the speaker module set provided in the present invention without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.

Claims

1. A loudspeaker module comprises a module shell and a loudspeaker single body accommodated in the module shell, and is characterized in that a leakage port is formed in the module shell; wherein,

the leakage opening is provided with an elastic pad, the elastic pad is provided with a hole corresponding to the leakage opening, and the hole of the elastic pad is pasted with mesh cloth.

2. The speaker module as recited in claim 1,

the leakage opening is a long-strip-shaped leakage groove, a circular leakage hole or a leakage device with an irregular shape.

3. The speaker module as recited in claim 1,

the module shell comprises a module middle shell, and a module upper shell and a module lower shell which are matched with the module middle shell, wherein an accommodating groove is formed in the module middle shell, and the loudspeaker single body is clamped in the accommodating groove.

4. A speaker module as claimed in claim 3,

the leak is arranged on the side wall of the middle shell of the module.

5. The speaker module as recited in claim 1,

the shapes and the positions of the elastic pad and the mesh cloth are matched with those of the leakage opening.

6. The speaker module as recited in claim 1,

the elastic pad is fixed on the module shell in an adhesive mode.

7. The speaker module as recited in claim 1,

the loudspeaker monomer divides the cavity formed by the module shell into a front sound cavity and a rear sound cavity.

8. The speaker module as recited in claim 7,

the front sound cavity is communicated with the sound outlet, and the rear sound cavity is a closed space; and,

the rear sound cavity is communicated with the outside through the leakage port.

9. The speaker module as recited in claim 1,

the loudspeaker single body comprises a vibration system and a magnetic circuit system; wherein,

the vibration system comprises a vibrating diaphragm and a voice coil fixed on one side of the vibrating diaphragm;

the magnetic circuit system comprises a magnetic conducting yoke, a magnet fixed on one side, close to the vibrating diaphragm, of the magnetic conducting yoke, and a washer arranged on one side, far away from the magnetic conducting yoke, of the magnet.

10. The speaker module as recited in claim 1,

the leakage amount of the leakage opening is matched with the area of the opening and the mesh number of the mesh cloth.