CN208479940U

CN208479940U - Loudspeaker enclosure

Info

Publication number: CN208479940U
Application number: CN201820144648.XU
Authority: CN
Inventors: 秦仁轩; 陈志竹
Original assignee: AAC Optoelectronic Changzhou Co Ltd
Current assignee: AAC Microtech Changzhou Co Ltd; AAC Optoelectronic Changzhou Co Ltd
Priority date: 2018-01-26
Filing date: 2018-01-26
Publication date: 2019-02-05
Anticipated expiration: 2028-01-26

Abstract

The utility model provides a kind of loudspeaker enclosure.The loudspeaker enclosure includes the sounding monomer that the upper cover for being equipped with sound outlet hole and the upper cover assemble the lower cover to form accommodating space and be contained in the accommodating space, the sounding monomer and the upper cover surround ante-chamber, the sounding monomer and the upper cover and the lower cover surround back cavity jointly, the upper cover includes being connected to the back cavity and not being overlapped along the projection of the direction of vibration of the sounding monomer with the sounding monomer with the spaced leak of the sound outlet hole, the leak.Loudspeaker enclosure back cavity volume provided by the utility model is big, and frequency acoustic performance is good.

Description

Loudspeaker enclosure

[technical field]

The utility model relates to acoustic-electric field more particularly to a kind of loudspeaker enclosures for applying to portable electronic product.

[background technique]

With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just The music function of high-quality, therefore, for play the loudspeaker between sound be widely applied Intelligent mobile equipment till now it One.

Existing loudspeaker is in order to increase its acoustical behavior, especially low frequency performance, it will usually install the loudspeaker In forming loudspeaker enclosure in a cabinet, described loudspeaker enclosure a part is used to install the loudspeaker and surrounds ante-chamber jointly, Another part is used to form back cavity.

The loudspeaker enclosure of the relevant technologies includes that upper cover and the upper cover assemble the lower cover to form accommodating space and be contained in institute The sounding monomer in accommodating space is stated, the sounding monomer includes vibrating diaphragm, and the upper cover includes surrounding ante-chamber with the vibrating diaphragm Main frame and from the main frame to far from the accommodating space direction extend extension, the extension, the lower cover and The sounding monomer surrounds back cavity jointly, which only has 0.17cc, is not able to satisfy the minimum essential requirement of design.

Therefore, a kind of new loudspeaker enclosure solution above-mentioned technical problem must be provided by having in fact.

[utility model content]

The purpose of this utility model is to provide a kind of by opening up connection back cavity and loudspeaking on the upper lid for surrounding back cavity The leak of confined space outside device case improves frequency acoustic performance to increase back cavity volume.

In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure comprising upper cover equipped with sound outlet hole, The sounding monomer to form the lower cover of accommodating space and be contained in the accommodating space, the sounding monomer are assembled with the upper cover Ante-chamber, the sounding monomer and the upper cover are surrounded with the upper cover and the lower cover surrounds back cavity jointly, which is characterized in that institute Stating upper cover includes being connected to the back cavity with the spaced leak of the sound outlet hole, the leak and along the sounding list The projection of the direction of vibration of body is not overlapped with the sounding monomer.

Preferably, the upper cover is equipped with to the accommodating space direction and is recessed the groove to be formed, and the leak is opened in The slot bottom of the groove.

Preferably, the upper cover further includes the main frame of the ante-chamber being surrounded with the sounding monomer and by the main frame The extension of extension, the main frame include with the roof of the sounding monomer face and by the roof towards the lower cover side Extend and surround the side wall of the sounding monomer to bending, the extension includes from where the roof towards the sound outlet hole The top plate that side extends and the side plate for extending from the top plate towards the lower cover direction and being abutted with the lower cover, the top plate It is recessed to form the groove towards the lower cover direction, the top plate, the side plate, the sounding monomer and the lower cover are common Surround the back cavity.

Preferably, the leak is round hole or square hole.

Preferably, the loudspeaker enclosure further includes breathable barrier, the breathable barrier cover the leak and with The slot bottom of the groove is fixedly connected.

Preferably, the breathable barrier includes the fixed part for covering the wet end and the circular wet end of the leak, The fixed part is fixedly connected with the slot bottom of the groove.

Preferably, the wet end is located at not towards the surface of the lower cover and the fixed part towards the surface of the lower cover It is coplanar, and the wet end is higher than the fixed plate towards the surface of the lower cover towards the surface of the lower cover.

Preferably, the breathable barrier is non-woven fabrics, nylon mesh grid, wool weaving net, metal mesh or paper.

Preferably, the upper cover further includes the secondary frame extended from the main frame to the separate accommodating space direction, The pair frame includes bottom wall, from the bottom wall to the barricade extended far from the lower cover direction and is covered on the cover board of barricade, The sound outlet hole is opened in the cover board, and the bottom wall, the barricade and the cover board surround jointly leads sound channel, the upper cover It further include described leading sound channel and the ante-chamber for being connected to close to what the turning of the secondary frame was formed through the roof Communicating passage.

Compared with the relevant technologies, the beneficial effect of the loudspeaker enclosure of the utility model is: upper cover and sounding monomer are common Ante-chamber is surrounded, upper cover, lower cover and sounding monomer surround back cavity jointly, by not surrounding ante-chamber with the sounding monomer in upper cover It (projection and the sounding monomer of the i.e. described leak along the sounding list are not overlapped) and is opened up with the position at sound outlet hole interval It is connected to the leak of back cavity, when making the back cavity directly with the loudspeaker enclosure is applied to electronic equipment by the leak The space connection surrounded, increases the volume of back cavity, improves the frequency acoustic performance of the loudspeaker enclosure.

[Detailed description of the invention]

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:

Fig. 1 is the stereochemical structure decomposing schematic representation of the utility model loudspeaker enclosure；

Structural schematic diagram after the assembling of loudspeaker enclosure shown in Fig. 2 Fig. 1；

Fig. 3 is the schematic diagram of the section structure shown in Fig. 2 along line A-A；

Fig. 4 is the schematic diagram of the section structure shown in Fig. 2 along line B-B；

Fig. 5 is the structural schematic diagram that the utility model loudspeaker enclosure is applied to electronic equipment.

[specific embodiment]

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1 to Fig. 4, the utility model provides a kind of loudspeaker enclosure 100, including upper cover 10, is opened in The leak 20 of the upper cover 10 and the upper cover 10, which assemble, to be formed the lower cover 30 of accommodating space 10A, be contained in the receiving sky Between sounding monomer 50 and breathable barrier 60 in 10A.The upper cover 10 and the sounding monomer 50 surround ante-chamber 70, it is described on Lid 10, the sounding monomer 50 and the lower cover 30 surround back cavity 90 jointly.

The upper cover 10 is fixed with the lower cover 30 by ultrasonic welding.The upper cover 10 includes and the sounding monomer 50 The main frame 11 for surrounding ante-chamber 70, the secondary frame each extended over from the main frame 11 to the separate direction the accommodating space 10A 13 and extension 15, communicating passage 17 and the groove 19 set on the extension 15.The main frame 11 and the sounding monomer 50 surround the ante-chamber 70；Be provided in the pair frame 13 and lead sound channel 80, the communicating passage 17 for be connected to it is described before Chamber 70 and described lead sound channel 80；The extension 15, the lower cover 30 and the sounding monomer 50 surround the back cavity jointly 90。

The main frame 11 includes with the roof 111 of 50 face of sounding monomer and by the roof 111 towards described The bending of 30 direction of lower cover extends and around the side wall 113 of the acoustical generator monomer 50.

The pair frame 13 includes with the roof 111 bottom wall 131 disposed in parallel, from the bottom wall 131 to far from institute The barricade 133 of 30 direction of lower cover extension is stated, the cover board 135 of barricade 133 is covered on and is opened in the sound outlet hole of the cover board 135 137.The bottom wall 131, the barricade 133 and the cover board 135 surround jointly leads sound channel 80.

Preferably, the barricade 133 includes surface from the barricade 133 far from the bottom wall 131 to close to the bottom The step 1331 that the surface indentation of wall 131 is formed, the cover board 135 are fixedly arranged on the step 1331, can specifically be set by welding Set fixation.

Preferably, surface of the cover board 135 far from the bottom wall 131 and the barricade 133 are far from the bottom wall 131 Surface is generally aligned in the same plane.

In the present embodiment, the sound outlet hole 137 is track type.The loudspeaker enclosure 100 is front sounding.

The extension 15 include the top plate 151 extended from the roof 111 towards 137 side of sound outlet hole, The side plate 153 for being extended towards 30 direction of lower cover by the top plate 151 and being abutted with the lower cover 30.The top plate 151, institute It states side plate 153, the sounding monomer 50 and the lower cover 30 and surrounds the back cavity 90 jointly.

The communicating passage 17 leads sound channel 80 and the ante-chamber 70 described in being used to be connected to, and sound is passed through sound outlet hole 157 Export.In the present embodiment, the communicating passage 17 passes through the turning shape through the roof 111 close to the secondary frame 13 At.

The groove 19 is recessed towards 30 direction of lower cover by the top plate 151 and is formed.

The leak 20 is opened in the slot bottom 191 of the groove 19, and is connected to the back cavity 90.The leak 20 It is spaced and is arranged with the sound outlet hole 137, and not along the projection of the direction of vibration of the sounding monomer 50 and the sounding monomer 50 It is overlapped, that is, the upper cover part that the upper cover 10 does not form ante-chamber 70 with the sounding monomer 50 is set.The leak 20 is used In the confined space being connected to outside the back cavity 90 and the loudspeaker enclosure 100.The confined space, which refers to, applies loudspeaker enclosure 100 Partial closure's cavity when electronic equipment, with the casing formation of electronic equipment.

The shape and quantity of the leak 20 are unlimited, as long as connection back cavity 90 and application loudspeaker enclosure can be played to electronics The confined space formed when equipment is increased the volume of back cavity by the setting of leak 20, improves loudspeaker enclosure 100 frequency acoustic performance.

Preferably, the leak 20 is round hole or square hole, and in the present embodiment, the leak 20 is strip Hole.

The lower cover 30 includes with the roof 111 bottom plate 31 disposed in parallel and by the bottom plate 31 towards the upper cover The retaining wall 33 that 10 directions extend.The sounding monomer 50 is set to the bottom plate 31, i.e., the described bottom plate 31 plays the support sounding The effect of monomer 50, the two abut setting.In the present embodiment, the position of sounding monomer 50 described in 31 face of bottom plate is to open Mouth setting, the outer wall of the sounding monomer 50 are abutted with the inner wall of the retaining wall 33.The retaining wall 33 is far from institute's bottom plate 31 Surface abut setting with the upper cover 10.

The breathable barrier 60 covers the leak 20 and is fixedly connected with the slot bottom 191 of the groove 19, rises anti- The effect of dirt.The breathable barrier 60 includes the wet end 61 for covering the leak 20 and the fixed part around the wet end 61 63, the fixed part 63 is fixedly connected with the slot bottom 191 of the groove 19.In the present embodiment, the breathable barrier 60 is Non-woven fabrics, nylon mesh grid, wool weaving net, metal mesh or paper, but simultaneously without limitation, as long as it is equal to play dustproof effect It can.

Preferably, the wet end 61 towards the lower cover 30 surface and the fixed part 63 towards the lower cover 30 table Face is located at Different Plane, and the wet end 61 is higher than the fixed plate 63 towards the lower cover 30 towards the surface of the lower cover 30 Surface.The i.e. described wet end 61 is more thinner relative to fixed part 63, which can also further increase the volume of back cavity 90.

Referring to Fig. 5, being applied to the structural schematic diagram of electronic equipment for the utility model loudspeaker enclosure.By loudspeaker enclosure 100 be applied to electronic equipment when, loudspeaker enclosure 100 can with the casing of electronic equipment formed confined space 200, in the slot of groove 19 The leak 20 being connected to the back cavity 90 is opened up on bottom 191, i.e., back cavity 90 and confined space 200 is connected to by leak 20, The volume of back cavity 90 is increased, the frequency acoustic performance of the loudspeaker enclosure 100 is improved.

Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical Novel protection scope.

Claims

1. a kind of loudspeaker enclosure, upper cover and the upper cover including being equipped with sound outlet hole assemble the lower cover and receipts to form accommodating space The sounding monomer being dissolved in the accommodating space, the sounding monomer and the upper cover surround ante-chamber, the sounding monomer and institute It states upper cover and the lower cover surrounds back cavity jointly, which is characterized in that the upper cover includes and the sound outlet hole is spaced lets out Leak hole, the leak be connected to the back cavity and along the projection of the direction of vibration of the sounding monomer and the sounding monomer not It is overlapped.

2. loudspeaker enclosure according to claim 1, which is characterized in that the upper cover is equipped with recessed to the accommodating space direction The groove formed is fallen into, the leak is opened in the slot bottom of the groove.

3. loudspeaker enclosure according to claim 2, which is characterized in that the upper cover further includes surrounding with the sounding monomer The main frame of the ante-chamber and the extension extended by the main frame, the main frame include and the sounding monomer face Roof and the side wall for bending extension and the circular sounding monomer towards the lower cover direction by the roof, the extension packet It includes the top plate extended from the roof towards the sound outlet hole side and extends from the top plate towards the lower cover direction And the side plate abutted with the lower cover, the top plate are recessed to form the groove towards the lower cover direction, it is the top plate, described Side plate, the sounding monomer and the lower cover surround the back cavity jointly.

4. loudspeaker enclosure according to claim 1, which is characterized in that the leak is round hole or square hole.

5. loudspeaker enclosure according to any one of claims 2 to 3, which is characterized in that the loudspeaker enclosure further includes breathing freely Separator, the breathable barrier cover the leak and are fixedly connected with the slot bottom of the groove.

6. loudspeaker enclosure according to claim 5, which is characterized in that the breathable barrier includes covering the leak Wet end and fixed part around the wet end, the fixed part is fixedly connected with the slot bottom of the groove.

7. loudspeaker enclosure according to claim 6, which is characterized in that the wet end towards the lower cover surface with it is described Fixed part is located at Different Plane towards the surface of the lower cover, and the wet end is higher than the fixation towards the surface of the lower cover Portion is towards the surface of the lower cover.

8. loudspeaker enclosure according to claim 6 or 7, which is characterized in that the breathable barrier is non-woven fabrics, nylon volume Knitmesh, wool weaving net, metal mesh or paper.

9. loudspeaker enclosure according to claim 3, which is characterized in that the upper cover further includes from the main frame to separate The secondary frame that the accommodating space direction extends, the pair frame include bottom wall, from the bottom wall to far from the lower cover direction The barricade of extension and the cover board for being covered on barricade, the sound outlet hole are opened in the cover board, the bottom wall, the barricade and described Cover board surrounds jointly leads sound channel, and the upper cover further includes being used for through the roof close to what the turning of the secondary frame was formed The communicating passage in sound channel and the ante-chamber is led described in connection.