CN207835798U - A kind of loud speaker module and electronic equipment - Google Patents

Abstract

The utility model embodiment provides a kind of loud speaker module and electronic equipment.The loud speaker module includes：Loudspeaker monomer, first shell and lid are connected to the second shell of the first shell；The inner cavity that the first shell and the second shell surround is separated into the preceding operatic tunes and the rear operatic tunes by the loudspeaker monomer；Sound-absorbing particle is filled with after described in the operatic tunes；The partition wall for the sound-absorbing particle to be individually isolated in fill area is equipped with after described in the operatic tunes；It is provided with through-hole on the partition wall；The metope of the partition wall being in the fill area is the inclined-plane being inclined between the first shell and the second shell away from the metope of the fill area；The inclined-plane is equipped with the separation net for covering the through-hole.Technical solution provided by the utility model can obtain the virtual rear operatic tunes of bigger to promote properties of product.

Description

A kind of loud speaker module and electronic equipment

Technical field

The utility model belongs to electro-acoustic conversion device technical field, and specifically, the utility model is related to a kind of loud speaker moulds Group and electronic equipment.

Background technology

Loud speaker is a kind of device that can convert electrical energy into acoustic energy, is widely used in the electronics such as mobile phone, computer and sets In standby.Loud speaker and terminal device group timing, it usually needs loudspeaker monomer is placed in external shell, is filled in the form of module It is fitted in terminal device.

In the prior art, it will usually four barricades are set in loud speaker lower casing and form an enclosure wall, and is hot above the enclosure wall Molten screen cloth is to form the filling space of sound-absorbing particle.Sound-absorbing particle is contacted in order to ensure air-flow can penetrate screen cloth, is needed in net The certain slit of spacing is formed between cloth and module upper casing.After extremely limited module in operatic tunes volume, because of the design gesture of slit The filling space of sound-absorbing particle must be greatly reduced, and then influences the acoustical behavior of loud speaker module.

Utility model content

One purpose of the utility model is to obtain the virtual rear operatic tunes of bigger to promote properties of product.

One side according to the present utility model provides a kind of loud speaker module.The loud speaker module includes：Loud speaker Monomer, first shell and lid are connected to the second shell of the first shell；The loudspeaker monomer is by the first shell and institute It states the inner cavity that second shell surrounds and is separated into the preceding operatic tunes and the rear operatic tunes；Sound-absorbing particle is filled with after described in the operatic tunes；Sound after described Intracavitary is equipped with the partition wall for the sound-absorbing particle to be individually isolated in fill area；It is provided with through-hole on the partition wall；It is described The metope in the fill area of partition wall or away from the fill area metope to be inclined in the first shell and institute State the inclined-plane between second shell；The inclined-plane is equipped with the separation net for covering the through-hole.

Optionally, the first shell includes bottom wall；The partition wall extends to the second shell from the bottom wall, and It is connect with the second shell by ultrasonic welding.

Optionally, the metope when the partition wall in the fill area is to be inclined in the first shell and described When inclined-plane between second shell, the metope in the fill area of the partition wall is located at the filling with the bottom wall Angle between the part in area is obtuse angle；When the metope away from the fill area of the partition wall is to be inclined in the first shell When inclined-plane between body and the second shell, the metope away from the fill area of the partition wall is located at institute with the bottom wall It is acute angle to state the angle between the part of fill area.

Optionally, the separation net includes screen cloth.

Optionally, the separation net is pasted onto by gum mode on the inclined-plane.

Optionally, the second shell is connect by ultrasonic welding with the first shell.

Optionally, charging port is equipped in the first shell or the second shell at the position of fill area described in face； It is covered with sealing element at the charging port.

Optionally, after in the first shell or the second shell described in face leak is equipped at the position of the operatic tunes； It is covered with damping membrane at the leak.

Optionally, at least one supporting rib is equipped in the through-hole, the supporting rib connects roof and the bottom of the through-hole Wall.

Other side according to the present utility model, provides a kind of electronic equipment.The electronic equipment includes above-mentioned raises Sound device module.

The utility model embodiment provide technical solution in, by opening up through-hole on partition wall, it is ensured that air-flow with Sound-absorbing particle contacts, and avoids in the prior art because that need to design the problem of slit causes the filling space of sound-absorbing particle to reduce；And And one side wall of partition wall is inclined-plane, can effectively increase the via area on the inclined-plane in this way, is inhaled to further expand The contact surface of sound particle and rear operatic tunes interior air-flow increases the dilatation ratio of sound-absorbing particle.As it can be seen that compared with prior art, this practicality The technical solution of novel offer can obtain the virtual rear operatic tunes of bigger to promote properties of product.

By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other Feature and its advantage will become apparent.

Description of the drawings

The attached drawing of a part for constitution instruction describes the embodiments of the present invention, and uses together with the description In explanation the principles of the present invention.

Fig. 1 is the sectional view for the loud speaker module that one embodiment of the utility model provides；

Fig. 2 is the partial cutaway view for the loud speaker module that one embodiment of the utility model provides；

Fig. 3 is the structural schematic diagram in the first view directions of the loud speaker module that one embodiment of the utility model provides；

Fig. 4 is the internal structure schematic diagram for the loud speaker module that one embodiment of the utility model provides；

Fig. 5 is the structural schematic diagram in the second view directions of the loud speaker module that one embodiment of the utility model provides；

Fig. 6 is the explosive view for the loud speaker module that one embodiment of the utility model provides；

Fig. 7 is the structural schematic diagram in the third view directions for the loud speaker module that one embodiment of the utility model provides.

Specific implementation mode

The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should be noted that：Unless another It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited The scope of the utility model processed.

It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality Novel and its application or any restrictions used.

Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation Under, the technology and equipment should be considered as part of specification.

In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.

Fig. 1 is the sectional view for the loud speaker module that one embodiment of the utility model provides, and Fig. 2 is implemented for the utility model one The partial cutaway view for the loud speaker module that example provides.As depicted in figs. 1 and 2, the loud speaker module, including：Loudspeaker monomer 1, First shell 22 and lid are connected to the second shell 23 of the first shell 22；The loudspeaker monomer 1 is by the first shell 22 It is separated into the preceding operatic tunes 200 and the rear operatic tunes 201 with the inner cavity that the second shell 23 surrounds；Filled with suction in the operatic tunes 201 after described Sound particle；The partition wall 21 for the sound-absorbing particle to be individually isolated in fill area is equipped with after described in the operatic tunes 201；It is described every It is provided with through-hole 210 on disconnected wall 21；The metope in the fill area or the wall away from the fill area of the partition wall 21 Face is the inclined-plane being inclined between the first shell 22 and the second shell 23；The inclined-plane, which is equipped with, covers the through-hole 210 separation net 211.

Wherein, separation net 211 includes but not limited to：Screen cloth, acoustical cotton, metal corrosion-resistant net etc..Separation net 211 is covered in At through-hole 210, it can prevent the sound-absorbing particle in the rear operatic tunes 201 from entering the magnetic circuit system in loudspeaker unit 1 by the through-hole 210 In system, and due to the presence of the stomata on separation net 211, the contact of the air-flow and sound-absorbing particle in the rear operatic tunes 201 is realized.

Since sound-absorbing particle has sound-absorbing effect, sound-absorbing particle is set in the rear operatic tunes, is equivalent to and increases in the rear operatic tunes The air-flow flowing space, can effectively improve low frequency frequency response, improve acoustical behavior.

The utility model embodiment provide technical solution in, by opening up through-hole on partition wall, it is ensured that air-flow with Sound-absorbing particle contacts, and avoids in the prior art because that need to design the problem of slit causes the filling space of sound-absorbing particle to reduce；And And the metope of the close fill area of partition wall or away from fill area metope be inclined-plane, can effectively increase positioned at the inclined-plane in this way On via area, to further expand sound-absorbing particle and rear operatic tunes interior air-flow contact surface, increase sound-absorbing particle dilatation Than.As it can be seen that compared with prior art, technical solution provided by the utility model can obtain the virtual rear operatic tunes of bigger to be promoted Properties of product.

In a kind of achievable scheme, above-mentioned partition wall 21 can be Fig. 1 and structure shown in Fig. 2, partition wall 21 Metope in fill area is the inclined-plane being inclined between first shell 22 and second shell 23；Partition wall 21 deviates from filling The metope in area is facing directly between the first shell 22 and second shell 23, alternatively, the partition wall 21 deviates from The metope of fill area is also the inclined-plane being inclined between first shell 22 and second shell 23.

In another achievable scheme, the metope away from fill area of partition wall 21 is to be inclined in 22 He of first shell Inclined-plane between second shell 23；The metope of partition wall 21 being located in fill area is perpendicular to the first shell 22 and second Facing directly between shell 23, alternatively, the metope positioned at fill area of the partition wall 21 is also to be inclined in first shell 22 and the Inclined-plane between two shells 23.

Above-mentioned loud speaker module can be that side be spoken loud speaker module, or loud speaker module of just speaking.In reality In, in order to promote intermediate frequency characteristics or in order to realize that the lightening of the products such as mobile phone, loud speaker module are generally side and go out acoustic mode Formula opens up side and goes out acoustic aperture 221, which goes out acoustic aperture 221 and the preceding operatic tunes 200 as shown in figs. 4 and 7 on the side wall of first shell 22 Connection.

When it is implemented, above-mentioned partition wall 21 can be independently of the independent part of first shell 22 and second shell 23 Part can also be and is an integral molding structure with first shell 22 or second shell 23.In a kind of achievable scheme, such as Fig. 6 institutes Show, the partition wall 21 can be an integral molding structure with the first shell 22.The first shell 22 includes bottom wall 220；Institute It states partition wall 21 and extends to the second shell 23 from the bottom wall 220, and connected by ultrasonic welding and the second shell 23 It connects.Pass through partition wall 21 and connect first shell 22 and second shell 23 so that the rear operatic tunes 201 has been separated into fill area and non-has filled out Area is filled, sound-absorbing particle is filled in fill area.

In another achievable scheme, when partition wall 21 is the independence independently of first shell 22 and second shell 23 When component, the connection of partition wall 21 and first shell 22 and second shell 23 can be also realized by ultrasonic welding.

Further, at least one supporting rib is equipped in the through-hole 210, the supporting rib connects the through-hole 210 Roof and bottom wall.The purpose that supporting rib is arranged is：In ultrasonic welding, support is provided for through-hole, to avoid through-hole 210 Deformation is overstock between one shell 22 and second shell 23.Such as：Partition wall 21 is an integral molding structure with first shell 22, and Extend from 22 bottom wall 220 of first shell towards 23 direction of second shell, the bottom wall of through-hole 210 and 22 bottom of first shell on partition wall 21 Wall 220 connects, and the roof of through-hole 210 is connect by ultrasonic welding with second shell 23, in this way, in ultrasonic welding, supporting rib Support can be provided for the roof of through-hole, to avoid roof compressive deformation.

Realize that connection, ultrasonic welding can be effectively increased yield rate using adhesive or glue in compared with the prior art. Preferably, the second shell 23 can also be connect by ultrasonic welding with the first shell 22.

Further, when the metope in the fill area of the partition wall 21 is to be inclined in the first shell 22 When inclined-plane between the second shell 23, the metope in the fill area and the bottom wall of the partition wall 21 220 angles being located between the part of the fill area are obtuse angle；When the metope away from the fill area of the partition wall 21 For be inclined between the first shell 22 and the second shell 23 inclined-plane when, the partition wall 21 deviate from the filling The angle that the metope in area and the bottom wall 220 are located between the part of the fill area is acute angle.Stickup can be facilitated to be isolated in this way Net 211, ease of assembly improve automatic assembling efficiency.

In the prior art, the setting of separation net is typically incorporated into loud speaker module internal using hot melting way, and current Hot melting process it is incomplete, the clout after heating need to be cut, and processing procedure is complicated, it is difficult to ensure that hot melt and cutting the consistent of state Property, it inevitably will appear waste and the quality potential problem of cost.Therefore, in an embodiment of the utility model, using gum Mode pastes separation net.Specifically：The separation net 211 is pasted onto by gum mode on the inclined-plane, in this way can be effective It is various caused by solving the problems, such as the hot melt of the prior art and cutting, cost is reduced, quality hidden danger is avoided.

When it is implemented, sound-absorbing particle can be particles filled by sound-absorbing before connection first shell 22 with second shell 23 Into in filling region；Alternatively, opening up charging port in first shell 22 or second shell 23 to facilitate filling.Specifically, as schemed 2, shown in Fig. 3 and Fig. 5, the sound-absorbing particle is located in the fill area；The first shell 22 or the second shell 23 Charging port 240 is equipped at the position of fill area described in upper face；Sealing element 230 is covered at the charging port 240.Pass through filling Mouth filling attracts particle more convenient, after filling finishes, is sealed by sealing element 230, to avoid sound-absorbing particle Leakage.

Further, it is set at the position of the operatic tunes 201 after in the first shell 22 or the second shell 23 described in face There is leak (not shown)；It is covered with damping membrane at the leak.Since the air in the rear operatic tunes 201 can be compressed or be expanded , therefore, setting leak can facilitate the circulation of air on module casing 2, to balance loud speaker module inner and outer air pressure.It is letting out Damping membrane is covered at leakage hole can increase the acoustic resistance of leak to reduce the influence that leak brings acoustical behavior.Damping membrane includes But it is not limited to screen cloth.

Another aspect according to the present utility model, additionally provides a kind of electronic equipment, which includes loud speaker mould Group.Wherein, the technical solution realization of the various embodiments described above offer can be used in the loud speaker module, and specific implementation structure can be found in The above, details are not described herein again.

Specifically, as depicted in figs. 1 and 2, the loud speaker module, including：Loudspeaker monomer 1, first shell 22 and lid connect In the second shell 23 of the first shell 22；The loudspeaker monomer 1 is by the first shell 22 and the second shell 23 The inner cavity surrounded is separated into the preceding operatic tunes 200 and the rear operatic tunes 201；Sound-absorbing particle is equipped with after described in the operatic tunes 201；The operatic tunes after described The partition wall 21 for the sound-absorbing particle to be individually isolated in fill area is equipped in 201；It is provided with through-hole on the partition wall 21 210；The metope in the fill area of the partition wall 21 is to be inclined in the first shell 22 and the second shell Inclined-plane between 23；The inclined-plane is equipped with the separation net 211 for covering the through-hole 210.

The electronic equipment includes but not limited to mobile phone, tablet computer, MP3 etc..

Compared with prior art, technical solution provided by the utility model has the advantage of following aspect：

One, first shell and second shell need to be only connected by a partition wall can be separated out an independent filling sky Between, compared with needing to be separated out a filling space by four partition walls one enclosure walls of formation in the prior art, save three partitions The volume of wall increases the filling space of sound-absorbing particle.

Two, it needs to be formed for air-flow between the separation net on being incorporated into the enclosure wall and module casing inner wall in the prior art The slit of flowing, the design of slit are bound to the height of enclosure wall to be reduced, further reduce the filling space of sound-absorbing particle, this reality With in the technical solution of novel offer on partition wall through-hole design, effectively prevent slit problem, increase sound-absorbing particle Fill space.

Three, the spacing between some first shells and second shell is minimum (i.e.：Z-direction size is minimum) in the case of, it is The slit that a determining deviation can not be ensured to be formed between sound-absorbing particle and inner walls, i.e., can not ensure sound-absorbing particle and rear operatic tunes gas Stream comes into full contact with.And use technical solution provided by the utility model, also can guarantee when Z-direction size is minimum sound-absorbing particle with Operatic tunes air-flow comes into full contact with afterwards.

Although some specific embodiments of the utility model are described in detail by example, this field It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example It modifies.The scope of the utility model is defined by the following claims.

Claims (10)

1. a kind of loud speaker module, which is characterized in that including：Loudspeaker monomer, first shell and lid are connected to the first shell Second shell；

The inner cavity that the first shell and the second shell surround is separated into the preceding operatic tunes and the rear operatic tunes by the loudspeaker monomer；

Sound-absorbing particle is filled with after described in the operatic tunes；It is equipped in the operatic tunes after described and is filled out for the sound-absorbing particle to be individually isolated in Fill the partition wall in area；

It is provided with through-hole on the partition wall；

The metope of the partition wall being in the fill area is to be inclined in described first away from the metope of the fill area Inclined-plane between shell and the second shell；

The inclined-plane is equipped with the separation net for covering the through-hole.

2. loud speaker module according to claim 1, which is characterized in that

The first shell includes bottom wall；

The partition wall extends to the second shell from the bottom wall, and is connect with the second shell by ultrasonic welding.

3. loud speaker module according to claim 2, which is characterized in that when the partition wall is in the fill area Metope when being the inclined-plane being inclined between the first shell and the second shell, the partition wall is in the filling The angle that metope and the bottom wall in area are located between the part of the fill area is obtuse angle；

When the metope away from the fill area of the partition wall is to be inclined between the first shell and the second shell Inclined-plane when, the partition wall is located at away from the metope of the fill area and the bottom wall between the part of the fill area Angle is acute angle.

4. loud speaker module according to any one of claim 1 to 3, which is characterized in that the separation net includes screen cloth.

5. loud speaker module according to any one of claim 1 to 3, which is characterized in that the separation net passes through gum Mode is pasted onto on the inclined-plane.

6. loud speaker module according to any one of claim 1 to 3, which is characterized in that the second shell passes through super Sound welding is connect with the first shell.

7. loud speaker module according to any one of claim 1 to 3, which is characterized in that the first shell is described Charging port is equipped in second shell at the position of fill area described in face；

It is covered with sealing element at the charging port.

8. loud speaker module according to any one of claim 1 to 3, which is characterized in that the first shell is described In second shell leak is equipped at the position of the rear operatic tunes described in face；

It is covered with damping membrane at the leak.

9. loud speaker module according to any one of claim 1 to 3, which is characterized in that be equipped at least in the through-hole One supporting rib, the supporting rib connect the roof and bottom wall of the through-hole.

10. a kind of electronic equipment, which is characterized in that including the loud speaker module described in any one of claim 1 to 9.