CN206524955U

CN206524955U - Loudspeaker enclosure

Info

Publication number: CN206524955U
Application number: CN201720082551.6U
Authority: CN
Inventors: 陈志竹; 王程良
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2017-01-20
Filing date: 2017-01-20
Publication date: 2017-09-26
Anticipated expiration: 2027-01-20

Abstract

The utility model provides a kind of loudspeaker enclosure, including the housing with receiving space and the sounding monomer being contained in the receiving space, the sounding monomer includes the vibrational system with vibrating diaphragm, the receiving space is separated into ante-chamber and back cavity by the vibrating diaphragm, breathable barrier is fixed with the receiving space, the domed structure of breathable barrier, the housing also includes brace rod, the brace rod is corresponded with the side, the inwall, the brace rod and the breathable barrier, which are surrounded in containing cavities, the containing cavities, is packaged with sound-absorbing material.Compared with correlation technique, loudspeaker enclosure of the present utility model sets brace rod and is covered on the breathable barrier of brace rod, the containing cavities of filling sound-absorbing particle are formd, brace rod will not block the gas channel in the receiving space, and the acoustical behavior of loudspeaker enclosure is good.

Description

Loudspeaker enclosure

【Technical field】

The utility model is related to acoustic-electric field, more particularly to a kind of loudspeaker enclosure for applying to portable type electronic product.

【Background technology】

With the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, undoubtedly most common, the most portable mobile terminal device of mobile phone.At present, the function of mobile phone is extremely various, and one of them is just The music function of high-quality, thus be accordingly used in play sound loudspeaker enclosure be widely applied Intelligent mobile equipment till now it In.

The loudspeaker enclosure of correlation technique includes lower cover and the lower cover assembles and to form the upper lid of receiving space, be contained in the receipts Hold the sounding monomer and flexible PCB in space, the receiving space is divided into ante-chamber and back cavity by the sounding monomer, Intracavitary sets retaining wall to the loudspeaker enclosure of correlation technique in the rear, the back cavity is separated, the void for setting sound-absorbing particle can be filled out by being formed Onomatopoeia chamber, so as to improve the acoustical behavior of the loudspeaker enclosure.

However, in the loudspeaker enclosure of correlation technique, the retaining wall can block the gas channel in the receiving space, and The retaining wall will to be limited using the volume of cavity, and segment space can not be utilized effectively, and the retaining wall also takes necessarily Space, limits the audio performance of the loudspeaker enclosure.

Therefore, it is necessary that providing a kind of new loudspeaker enclosure solves above-mentioned technical problem in fact.

【Utility model content】

The purpose of this utility model is that the good loudspeaker enclosure of cavity volume, audio performance can be utilized by providing a kind of increase.

In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, including the housing with receiving space And the sounding monomer in the receiving space is contained in, the sounding monomer includes frame and the magnetic being housed in the frame The receiving space is separated into ante-chamber and back cavity by road system and the vibrational system with vibrating diaphragm, the vibrating diaphragm, the vibrating diaphragm with Breathable barrier just is fixed with to being surrounded between the housing of the vibrating diaphragm in the ante-chamber, the receiving space, it is described The domed structure of air bound off member, the smooth fixation of inwall of the relative both ends of the breathable barrier respectively with the housing, institute The middle part for stating breathable barrier extends towards the inwall direction away from the housing, the relative two sides connection of the breathable barrier The breathable barrier both ends are simultaneously arranged at intervals with the inwall of the housing, and the housing is also included from the inwall towards described Side extends and fixed brace rod corresponding with the side of breathable barrier two, a pair of the brace rod and the side 1 Should, the inwall, the brace rod and the breathable barrier, which are surrounded in containing cavities, the containing cavities, is packaged with sound-absorbing material.

It is preferred that, the breathable barrier is arranged in the back cavity, the housing include top plate just to the vibrating diaphragm, The bottom plate relative with the top plate and the side plate extended from the top plate towards the bottom plate, the frame are arranged on top plate, institute Vibrating diaphragm is stated to be arranged between the frame and the top plate and form the ante-chamber with the top plate interval.

It is preferred that, the brace rod is included from top plate inner surface extension and the first brace rod being parallel to each other and second Brace rod, first brace rod is abutted with the side plate.

It is preferred that, second brace rod includes the supporting surface fitted with the breathable barrier and from the supporting surface The side wall just to first brace rod of edge extension, the side wall is formed with from the supporting surface towards top plate depression Stage portion.

It is preferred that, the loudspeaker enclosure also includes the flexible PCB installed in the frame, and the flexible PCB is certainly The frame is stretched out and extended to through the containing cavities in the back cavity, and the flexible PCB at least corresponds to the containing cavities Fitted at position with the top plate.

It is preferred that, the groove that the top plate correspondence containing cavities are recessed to the direction away from the top plate, the groove Between the brace rod, the flexible PCB is fitted with the groove.

It is preferred that, along the bottom plate to the direction of the top plate, the flexible PCB and the brace rod are on the top Orthographic projection non-overlapping copies on plate.

It is preferred that, in addition to the filling hole set through the top plate, the filling hole connection containing cavities and the external world, The sound-absorbing material pours into the containing cavities by the filling hole, and the loudspeaker enclosure further comprises covering and seals described Fill the closure in hole.

It is preferred that, the brace rod, the top plate and the side plate integrated injection molding.

It is preferred that, the breathable barrier is non-woven fabrics, nylon mesh grid, wool weaving net, wire netting or paper.

Brace rod and lid are set compared with correlation technique, in the ante-chamber or back cavity of loudspeaker enclosure of the present utility model Located at the breathable barrier of brace rod, that is, the containing cavities of filling sound-absorbing particle are formd, it is empty that brace rod will not block the collecting Interior gas channel, so as to improve the acoustical behavior of loudspeaker enclosure；In addition, when being especially placed in back cavity, flexible circuit Plate is fitted and the projection non-overlapping copies with brace rod on bottom plate direction with groove, so that brace rod need not avoid flexible circuit Plate, further expands the volume of the virtual operatic tunes.

【Brief description of the drawings】

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings Other accompanying drawings are obtained, wherein：

The perspective exploded view for the preferred embodiment of loudspeaker enclosure one that Fig. 1 provides for the utility model；

Fig. 2 is the three-dimensional assembling schematic diagram of loudspeaker enclosure shown in Fig. 1；

Fig. 3 is sectional view of the loudspeaker enclosure along line A-A shown in Fig. 2；

Fig. 4 is the enlarged drawing of loudspeaker enclosure part B shown in Fig. 3.

【Embodiment】

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment obtained, belongs to the scope of the utility model protection.

Please refer to Fig. 1-4, the solid point for the preferred embodiment of loudspeaker enclosure one that wherein Fig. 1 provides for the utility model Solve schematic diagram；Fig. 2 is the three-dimensional assembling schematic diagram of loudspeaker enclosure shown in Fig. 1；Fig. 3 is loudspeaker enclosure cuing open along line A-A shown in Fig. 2 View；Fig. 4 is the enlarged drawing of loudspeaker enclosure part B shown in Fig. 3.

The utility model provides a kind of loudspeaker enclosure 100, including the housing 1 with receiving space 2, sounding monomer 3, soft Property circuit board 4 and breathable barrier 5.The sounding monomer 3, the flexible PCB 4 and the breathable barrier 5 are housed In in the receiving space 2, the sounding monomer 3 and the flexible PCB 4 are electrically connected, and the breathable barrier 5 is fixed on In the receiving space 2.

The housing 1 includes top plate 11, the bottom plate 12 relative with the top plate 11, from the top plate 11 towards the bottom plate The side plates 13 of 12 extensions, the inner surface of the top plate 11 is inwall 111, and the housing 1 is also included from the top plate 11 towards described The brace rod 14 that bottom plate 12 extends, the inwall 111, the brace rod 14 and the breathable barrier 5 surround containing cavities 20, institute State in containing cavities 20 and be packaged with sound-absorbing material.

The brace rod 14 includes the first brace rod 141 and second for extending and being parallel to each other from the inner surface of top plate 11 Brace rod 142, first brace rod 141 is parallel with the side plate 13 and abuts.Further expand the body of the containing cavities 20 Product.

Second brace rod 142 includes the supporting surface 1421 fitted with the breathable barrier 5 and from the support The side wall 1422 just to first brace rod 141 of the edge of face 1421 extension, the side wall 1422 is from the supporting surface 1421 Stage portion 1423 is formed with towards the top plate 11 depression.

The brace rod 14, the top plate 11 and the integrated injection molding of the side plate 13.Structural stability more preferably, is processed It is more convenient.

The sounding monomer 3 includes frame 31 and the magnetic circuit system being housed in the frame 31 and shaking with vibrating diaphragm The receiving space 2 is separated into ante-chamber 21 and back cavity 22 by dynamic system, the vibrating diaphragm, the vibrating diaphragm and just to the vibrating diaphragm The ante-chamber 21 is surrounded between the housing 1.Specifically, the frame 31 is arranged on the top plate 11, the vibrating diaphragm is just to institute Top plate 11 is stated, and the ante-chamber 21 is formed installed between the frame 31 and the top plate 11 and with the top plate 11 interval.

The flexible PCB 4 is arranged on the frame 31, stretches out and extends through the containing cavities 20 from the frame 31 In to the back cavity 22, the flexible PCB 4 is at least corresponded to fits at the position of the containing cavities 20 with the top plate 11. The correspondence of top plate 11 containing cavities 20 are recessed to form groove 15 to the direction away from the top plate 11, and the groove 15 is located at Between the brace rod 14, the flexible PCB 4 is fitted with the groove 15.Along the bottom plate 12 to the top plate 11 Direction, the projection non-overlapping copies of the flexible PCB 4 and the brace rod 14 on the top plate 11.I.e. described brace rod 14 Need not avoid the flexible PCB 4, increase in the containing cavities 20 using volume.

The breathable barrier 5 is arranged in the back cavity 22, domed structure, it include middle part 51, be divided into it is described The relative both ends 52 at the two ends of middle part 51, the two relative sides 53 for connecting end 52 described in two.The middle part 51 is towards remote The direction of inwall 111 extension of the housing 1, the smooth fixation of inwall 111 of end 52 described in two respectively with the housing 1, two institutes State side 53 and the inwall 111 of the housing 1 is arranged at intervals.Specifically, inwall 111 of the brace rod 14 from the housing 1 Extend towards the side 53 and it is corresponding with two sides 53 of the breathable barrier 5 fix, the brace rod 14 and the side 53 correspond.In other preferred embodiments of the present utility model, above-mentioned brace rod and the structure of breathable barrier also may be used To be arranged in the ante-chamber 21, can also equally play will not block the gas channel in the ante-chamber, improve loudspeaker enclosure Acoustical behavior effect.

The breathable barrier 5 is non-woven fabrics, nylon mesh grid, wool weaving net, wire netting or paper.Certainly it is not limited In this, as long as the sound-absorbing particle can be isolated into the back cavity 22 and the entrant sound that can breathe freely.

The loudspeaker enclosure 100 also includes the filling hole 6 set through the top plate 11, and the filling hole 6 connects described Containing cavities 20 pour into the containing cavities 20 with the external world, the sound-absorbing material by the filling hole 6, and the loudspeaker enclosure 100 enters One step includes covering and sealing the closure 7 in the filling hole 6.Specifically, the filling hole 6 is located at first brace rod Between 141 and the groove 15.By filling sound-absorbing particle into the containing cavities 20, make the formation of containing cavities 20 Virtual Sound Chamber, sound enters after the containing cavities 20, increases its transmission path by the sound-absorbing particle, for improving the loudspeaker enclosure 100 audio performance.Specifically, in present embodiment, the sound-absorbing particle is powder.More excellent, the filling hole 6 is circle Shape.Certainly, its shape not limited to this, or other shapes, such as rectangle.

Compared with correlation technique, the loudspeaker enclosure 100 of the present utility model sets the brace rod 14 and is covered on The breathable barrier 5 of the brace rod 14, that is, form the containing cavities 20 of filling sound-absorbing particle, the brace rod 14 The gas channel in the back cavity 22 will not be blocked, so as to improve the acoustical behavior of the loudspeaker enclosure 100；In addition, described Flexible PCB 4 is fitted and the projection non-overlapping copies with the brace rod 14 on the direction of top plate 11 with the groove 15, So as to which the brace rod 14 need not avoid the flexible PCB 4, further expand the volume of the virtual operatic tunes.

Above-described is only embodiment of the present utility model, it should be noted here that for the ordinary skill of this area For personnel, on the premise of the utility model creation design is not departed from, improvement can also be made, but these belong to this practicality New protection domain.

Claims

1. a kind of loudspeaker enclosure, including the housing with receiving space and the sounding monomer that is contained in the receiving space, institute State vibrational system of the sounding monomer including frame and the magnetic circuit system being housed in the frame and with vibrating diaphragm, the vibrating diaphragm The receiving space is separated into ante-chamber and back cavity, the vibrating diaphragm and just to surrounded between the housing of the vibrating diaphragm it is described before Chamber, it is characterised in that breathable barrier is fixed with the receiving space, the domed structure of breathable barrier is described The smooth fixation of inwall of the relative both ends of air bound off member respectively with the housing, the middle part of the breathable barrier is towards away from institute State the inwall direction extension of housing, relative two sides of the breathable barrier connect the breathable barrier both ends and with institute State housing inwall be arranged at intervals, the housing also include extend from the inwall towards the side and with the breathable barrier The fixed brace rod of two sides correspondence, the brace rod is corresponded with the side, the inwall, the brace rod and described Breathable barrier, which is surrounded in containing cavities, the containing cavities, is packaged with sound-absorbing material.

2. loudspeaker enclosure according to claim 1, it is characterised in that the breathable barrier is arranged in the back cavity, The housing includes the top plate just to the vibrating diaphragm, the bottom plate relative with the top plate and prolonged from the top plate towards the bottom plate The side plate stretched, the frame be arranged on top plate, the vibrating diaphragm be arranged between the frame and the top plate and with the top plate Interval forms the ante-chamber.

3. loudspeaker enclosure according to claim 2, it is characterised in that the brace rod includes prolonging from the top plate inner surface The first brace rod and the second brace rod stretched and be parallel to each other, first brace rod are abutted with the side plate.

4. loudspeaker enclosure according to claim 3, it is characterised in that second brace rod includes ventilative isolating with described The supporting surface of part laminating and the side wall just to first brace rod extended from the supporting surface edge, the side wall is from institute State supporting surface and be formed with stage portion towards top plate depression.

5. loudspeaker enclosure according to claim 2, it is characterised in that the loudspeaker enclosure also includes being arranged on the frame Flexible PCB, the flexible PCB stretches out from the frame and extended to through the containing cavities in the back cavity, described Flexible PCB is at least corresponded at the position of the containing cavities and fitted with the top plate.

6. loudspeaker enclosure according to claim 5, it is characterised in that the top plate correspondence containing cavities are to away from described The direction of top plate is recessed to form groove, and the groove is located between the brace rod, and the flexible PCB is pasted with the groove Close.

7. loudspeaker enclosure according to claim 5, it is characterised in that described along the bottom plate to the direction of the top plate The orthographic projection non-overlapping copies of flexible PCB and the brace rod on the top plate.

8. loudspeaker enclosure according to claim 2, it is characterised in that also including the filling hole set through the top plate, The filling hole connects the containing cavities and the external world, and the sound-absorbing material pours into the containing cavities by the filling hole, described Loudspeaker enclosure further comprises covering and seals the closure in the filling hole.

9. loudspeaker enclosure according to claim 2, it is characterised in that the brace rod, the top plate and the side plate Integrated injection molding.

10. loudspeaker enclosure according to claim 1, it is characterised in that the breathable barrier is non-woven fabrics, nylon braiding Net, wool weaving net, wire netting or paper.