CN206100414U - Acoustic structure and electronic equipment - Google Patents

Abstract

The utility model discloses an acoustic structure and electronic equipment. Acoustic structure includes the box, leads structure, speaker and reveal the pipe. The box is formed with a plurality of sound chambeies, and the through -hole has been seted up to the box. Lead structure setting and between two sound chambeies, lead a plurality of holes of leading that two sound chambeies of intercommunication were seted up to structure. The speaker sets up in one of them sound chamber. Reveal tub setting and in the sound chamber, reveal a tub connect the via hole to intercommunication sound chamber and acoustic structure's the external world. Above -mentioned acoustic structure, the resonant frequency that can reduce acoustic structure is managed with revealing in a plurality of sound chambeies, has solved the not good problem of traditional cell -phone bass effect. In addition, a plurality of lead hole can so that sound to transmit other sound chambeies from the sound chamber that has the speaker more even, further improved electronic equipment's audio quality.

Description

Acoustic structure and electronic equipment

Technical field

This utility model is related to electroacoustic techniques field, more particularly to a kind of acoustic structure and a kind of electronic equipment.

Background technology

At present, with the development of science and technology, the electronic equipment with audio playing function liked by people, and people can be with The audio frequency such as music are played using electronic equipment and enriches the daily life of oneself.With the audio product that user is played to electronic equipment The requirement of matter is improved, and the audio quality for how improving electronic equipment becomes problem demanding prompt solution.

Utility model content

This utility model is intended at least solve one of technical problem present in prior art.For this purpose, this utility model is carried For a kind of acoustic structure and a kind of electronic equipment.

The acoustic structure of this utility model embodiment includes casing, leads acoustic form, speaker and reveal pipe.The casing Multiple sound chambers are formed with, casing offers through hole.The acoustic form of leading is arranged between two sound chambers, described to lead acoustic form Offer two the multiple of sound chamber of connection and lead acoustic aperture.The speaker is disposed therein in a sound chamber.Reveal pipe It is arranged in sound chamber, reveals pipe connection through hole, and connect the external world in sound chamber and acoustic structure.

Above-mentioned acoustic structure, multiple sound chambers can reduce the resonant frequency of acoustic structure, solve conventional mobile phone bass effect The not good problem of fruit.In addition, multiple acoustic aperture of leading can be so that sound be delivered to other sounds from the sound chamber for having speaker with leakage pipe Chamber is more uniform, further increases the audio quality of electronic equipment.

In some embodiments, the quantity in the sound chamber is two.

In some embodiments, the plurality of acoustic aperture of leading is circular port.

In some embodiments, it is the plurality of to lead the equivalently-sized of acoustic aperture.

In some embodiments, the casing is formed with chamber, and the acoustic form of leading is arranged on the within the chamber, described Lead acoustic form to be spaced the chamber and form the plurality of sound chamber.

In some embodiments, the casing includes first component and second component, the first component and described Two parts are tightly connected to form the chamber.

In some embodiments, the casing includes spaced many sub- casings, and each described sub- casing is formed One sound chamber, the acoustic form of leading connect two sub- casings.

In some embodiments, it is described to lead multiple phonocatheters that acoustic form includes being arranged side by side, each described phonocatheter Two sound chambers of connection, each described phonocatheter to offer and lead acoustic aperture described in one.

In some embodiments, each described sub- casing includes first component and second component, the first component with The second component is tightly connected to form the sound chamber.

In some embodiments, the through hole includes the first opening for being formed in the interior, and is formed in Second opening of the box outer surface, leakage pipe connection described first are open.

In some embodiments, the through hole includes the first opening for being formed in interior, and is formed in described Second opening of box outer surface, it is described to reveal pipe in the through hole and connect first opening and described second open Mouthful.

In some embodiments, the quantity of the through hole is multiple, the number of the quantity and the through hole for revealing pipe Amount is identical, and each described leakage pipe connects the corresponding through hole.

The electronic equipment of this utility model embodiment includes the acoustic structure described in any of the above embodiment.

Above-mentioned acoustic structure, multiple sound chambers and leakage pipe can reduce the resonant frequency of acoustic structure, solve traditional handss The not good problem of machine bass effect.In addition, multiple acoustic aperture of leading can be so that sound be delivered to other sounds from the sound chamber for having speaker Chamber is more uniform, further increases the audio quality of electronic equipment.

In some embodiments, the electronic equipment is mobile phone or panel computer.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below In become obvious, or by it is of the present utility model practice recognize.

Description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage are from the description with reference to accompanying drawings below to embodiment Will be apparent from it is easy to understand, wherein：

Fig. 1 is the schematic cross-section of the acoustic structure of this utility model embodiment；

Fig. 2 is another schematic cross-section of the acoustic structure of this utility model embodiment；

Fig. 3 is another schematic cross-section of the acoustic structure of this utility model embodiment；

Fig. 4 is another schematic cross-section of the acoustic structure of this utility model embodiment；

Fig. 5 is another schematic cross-section again of the acoustic structure of this utility model embodiment；

Fig. 6 is the schematic cross-section of the leakage pipe of the acoustic structure of this utility model embodiment；

Fig. 7 is another schematic cross-section of the leakage pipe of the acoustic structure of this utility model embodiment；

Fig. 8 is another schematic cross-section of the leakage pipe of the acoustic structure of this utility model embodiment；

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein Same or similar label represents same or similar element or the element with same or like function from start to finish.Lead to below It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining this utility model, and it is not intended that to this practicality New restriction.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for Be easy to describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating The quantity of feature.Thus, define " first ", the feature of " second " can be expressed or implicitly include one or more The feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise clearly specific Limit.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can be mechanically connected, or electrically connect or mutually can communicate；Can be joined directly together, it is also possible to by Between medium be indirectly connected to, can be connection or the interaction relationship of two elements of two element internals.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in this utility model can be understood as the case may be.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it D score can include the first and second feature directly contacts, it is also possible to not be directly contact including the first and second features but logical The other characterisation contact crossed between them.And, fisrt feature second feature " on ", " top " and " above " be including One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special Levy second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only Represent that fisrt feature level height is less than second feature.

Following disclosure provides many different embodiments or example is used for realizing different structure of the present utility model. In order to simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.Certainly, they are only Example, and purpose does not lie in restriction this utility model.Additionally, this utility model can in different examples repeat reference numerals And/or reference letter, this repetition is for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relation between arranging.Additionally, the example of the various specific technique that provides of this utility model and material, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

Fig. 1 and Fig. 2 is referred to, the acoustic structure 100 of this utility model embodiment includes casing 102, leads acoustic form 104th, speaker 106 and leakage pipe 122.

Casing 102 is formed with multiple sound chambers 108.Lead acoustic form 104 to be arranged between two sound chambers 108, lead acoustic form 104 Offer connection the multiple of two sound chambers 108 and lead acoustic aperture 110.Speaker 106 is disposed therein in a sound chamber 108.

Reveal pipe 122 to be arranged in sound chamber 108, reveal the connection through hole 120 of pipe 122, reveal the connection of pipe 122 sound chamber 108 and The external world of acoustic structure 100.

Above-mentioned acoustic structure 100, multiple sound chambers 108 and leakage pipe 122 can reduce the resonant frequency of acoustic structure 100, Solve the problems, such as that conventional mobile phone bass effect is not good.In addition, multiple acoustic aperture 110 of leading can be so that sound be from there is speaker 106 To be delivered to other sound chambers 108 more uniform in sound chamber 108, further increase the audio quality of electronic equipment.

The phase place of the sound wave at 106 back side of speaker can be caused to reverse in addition, revealing pipe 122 so that 106 vibrating diaphragm of speaker The phase place of the sound wave at back side acoustic phase positive with the vibrating diaphragm of speaker 106 after revealing pipe 122 is identical, speaker 106 Back side sound wave is superimposed with 106 front sound wave of speaker, improves the radiation efficiency of sound wave.

Specifically, have the regular hour poor as the air near the 106 vibrating diaphragm back side of speaker reaches leakage pipe 122, When the air at the 106 vibrating diaphragm back side of speaker is reached reveals pipe 122, now, the vibrating diaphragm of speaker 106 can travel forward and attract The air near pipe 122 is revealed, and prevents the air revealed near pipe 122 the outer of acoustic structure 100 to be passed to through revealing pipe 122 Boundary.

When the vibrating diaphragm of speaker 106 vibrates a cycle again and travels forward again, reveal pipe 122 near air from Reveal the external world that pipe 122 passes to acoustic structure 100.Therefore, because air is reached from the back side of 106 vibrating diaphragm of speaker reveals pipe 122 time difference so that the phase place of 106 back side sound wave of speaker is reversed.

It is pointed out that the extraneous part for beyond casing 102, speaker 106 just facing to acoustic structure 100 It is extraneous.

The acoustic structure 100 of this utility model embodiment can be applied on the small-sized electronic equipment such as mobile terminal, For example on the electronic equipment such as MP4, mobile phone or panel computer, so that electronic equipment has preferably tonequality result of broadcast.

In this utility model embodiment, casing 102 offers out acoustic aperture 106a, and speaker 106 is arranged on casing 102 And by going out the exposure of acoustic aperture 106a.

Thus, go out acoustic aperture 106a can be so that the sound that speaker 106 sends passes to the external world of acoustic structure 100.

In example of the present utility model, the quantity for going out acoustic aperture 106a is single.It is appreciated that in other embodiments, The quantity for going out acoustic aperture 106a can be set to the other quantity such as two or more according to practical situation.Two or more Go out acoustic aperture 106a interval setting.

In this utility model embodiment, through hole 120 and speaker 106 are separately positioned on different installing plates, for example, Incorporated by reference to Fig. 1, speaker 106 is arranged on the top installing plate 116a of casing 102, and through hole 120 is opened in the side of casing 102 and installs Plate.In other embodiments, through hole 120 and speaker 106 can be arranged on same installing plate.

In some embodiments, the quantity in sound chamber 108 is two.

So, it is to avoid the volume in each sound chamber 108 is too small and causes the acoustic pressure in each sound chamber 108 excessive so that lead acoustic aperture 110 lead the velocity of sound spends acoustics that is slow and affecting acoustic structure 100.

In some embodiments, multiple acoustic aperture 110 of leading are circular port.

Thus, leading acoustic aperture 110 and can reducing friction with air for circle, is conducive to sound wave from the sound for having speaker 106 It is delivered in chamber 108 in other sound chambers.

In some embodiments, it is multiple to lead the equivalently-sized of acoustic aperture 110.

Thus, the throughput for leading acoustic aperture 110 through each is equal so that the sound wave that each leads the transmission of acoustic aperture 110 is more equal It is even, be conducive to improving the audio tonequality of acoustic structure 100.

Fig. 1 is referred to, in some embodiments, casing 102 is formed with chamber 111, lead acoustic form 104 and be arranged on chamber In 111, lead the interval chamber 111 of acoustic form 104 and form multiple sound chambers 108.

Thus, single casing 102 can form multiple sound chambers 108, so that multiple sound chambers 108 are more prone to be formed. Specifically, lead that acoustic form 104 is plate-like, the edge and the inner surface of casing 102 for leading acoustic form 104 is tightly connected, so as to by case The interval of chamber 111 of body 102 forms multiple sound chambers 108.

In present embodiment, the quantity for leading acoustic form 104 is single, so as to the chamber 111 of casing 102 is spaced formation two Individual sound chamber 108.

It is appreciated that in other embodiments, the quantity for leading acoustic form 104 is N (N>1), when individual, leading acoustic form 104 can N+1 sound chamber 108 is formed with the interval of chamber 111 by casing 102.

Fig. 2 is referred to, in some embodiments, casing 102 includes spaced many sub- casing 102a, per height Casing 102a forms a sound chamber 108, leads acoustic form 104 and connects two sub- casing 102a.

Thus, spaced many sub- casing 102a can cause multiple sound chambers 108 to be spaced a distance.Multiple In the case that the total measurement (volume) in sound chamber 108 is constant, the volume per individual sub- casing 102 can be reduced.When acoustic structure 100 application extremely During electronic equipment, the diverse location of electronic equipment can be arranged on per individual sub- casing 102, the sky of electronic equipment can be made full use of Between.

In some embodiments, multiple phonocatheters 112 that acoustic form 104 includes being arranged side by side are led, each phonocatheter 112 Two sound chambers 108 of connection, each phonocatheter 112 offer one and lead acoustic aperture 110.

Thus, two sound chambers 108 at interval can be coupled together by multiple phonocatheters 112, so as to there is the sound of speaker 106 The sound wave in chamber 108 is delivered in other sound chambers 108 by phonocatheter 112.

In present embodiment, phonocatheter 112 is shaped as linear.And in other embodiments, the shape of phonocatheter 112 Shape can be shaped form, so as to can be oppositely arranged on different positions per individual sub- casing 102a.

Fig. 1 is referred to, in some embodiments, casing 102 includes first component 114 and second component 116, first Part 114 is tightly connected to form chamber 111 with second component 116.

Thus, 102 split molding of casing, is conducive to the manufacture of casing 102.

Further, in the embodiment shown in Fig. 1, first component 114 and second component 116 are in one end open, The frame-shaped of one end closing, the open end of first component 114 is tightly connected to form casing 102 with the open end of second component 116.

In addition, in the embodiment shown in Fig. 3, second component 116 is in one end open, the frame-shaped of one end closing, first Part 114 is in tabular, and the open end of second component 116 is tightly connected first component 114.

It is appreciated that in other embodiments, the shape of first component 114 and second component 116 can also be designed as which Its suitable shape.

In some embodiments, first component 114 and second component 116, first component are included per individual sub- casing 102a 114 and second component 116 be tightly connected to form a sound chamber 108.

Fig. 1 and Fig. 2 is referred to, in some embodiments, acoustic structure 100 includes sealing member 118, and sealing member 118 is close Gap between envelope first component 114 and second component 116.

Therefore, it is to avoid the sound wave in sound chamber 108 is gone out from the clearance leakage between first component 114 and second component 116 And cause noise, and then improve the audio quality that acoustic structure 100 plays sound.

In some embodiments, the material of sealing member 118 is compression foam.

There is certain flexibility due to compressing foam, when first component 114 is assembled with second component 116, can first by Compression foam is fixed on first component 114 or second component 116, is then assembled simultaneously first component 114 and second component 116 Firmly press, it is possible thereby to compression foam is compressed to seal the gap between first component 114 and second component 116.

In some embodiments, the material of sealing member 118 is colloid.

Thus, colloid can also seal the gap between first component 114 and second component 116, colloid such as silica gel or UV glue isocolloids.

In some embodiments, sealing member 118 is with sticking sealing member 118.For example, sealing member 118 is opposite Two surfaces on can viscose glue be set and sealing member 118 is made with toughness.And for example, sealing member 118 is fluid sealant.

Thus, after first component 114 is assembled with second component 116, with sticking sealing member 118 in sealing first While gap between part 114 and second component 116, first component 114 and second component 116 can be fixedly connected, it is to avoid First component 114 and second component 116 loosen and affect the audio quality of acoustic structure 100, it is also possible to save subsequent fixed the The operation of one part 114 and second component 116.

In some embodiments, through hole 120 includes the opening 120b of the first opening 120a and second.First opening 120a shapes Into in 102 inner surface of casing.Second opening 120b is formed in 102 outer surface of casing.The connection of pipe 122 first opening 120a is revealed, As shown in Figure 1.

Thus, the sound wave in sound chamber 108 sequentially passes through the leakage opening 120b of opening 120a and second of pipe 122, first passing to The external world of acoustic structure 100, with it is superimposed with 106 positive sound wave of speaker and improve speaker 106 produce sound wave spoke Penetrate efficiency.

In other embodiments, reveal during pipe 122 is located at through hole 120 and connect the openings of the first opening 120a and second 120b, as shown in Figure 4.

Thus, the sound wave in sound chamber 108 is directly delivered to the external world of acoustic structure 100 from leakage pipe 122.Need explanation It is that the outer wall for revealing pipe 122 be connected with the inner wall sealing of through hole 120, to avoid sound wave in sound chamber 108 from leakage pipe 122 outward Flow out between the inwall of wall and through hole 120 and cause noise.

Fig. 5 is referred to, in some embodiments, the quantity of through hole 120 is multiple, reveals the quantity and through hole of pipe 122 120 quantity is identical, and each is revealed pipe 122 and connects corresponding through hole 120.

Thus, multiple pipes 122 of revealing can reduce the resonant frequency of speaker 106, so as to reduce the maximum of speaker 106 Amplitude, improves the life-span of speaker 106.Reveal pipe 122 to be fixed in sound chamber 108 by support (not shown).

In present embodiment, multiple leakage pipes 122 are respectively provided with same installing plate, for example, be installed in first component 114 Side installing plate on.

And in other embodiments, multiple leakage pipes 122 can be separately mounted to first component 114 or second component On 116 different installing plates.For example, multiple leakage pipes 122 are separately mounted on relative installing plate.

In addition, in present embodiment, multiple blow-by tubes 122 are disposed therein in a sound chamber 108, and in other embodiment party In formula, multiple leakage pipes 122 can be separately positioned in different sound chambers 108.

In some embodiments, reveal 122 linear tubulose of pipe.Thus, revealing the simple structure of pipe 122, easily make Into such that it is able to reduce the manufacturing cost of acoustic structure 100.

In some embodiments, reveal the tube wall uniform thickness of pipe 122.

The outer wall shape for revealing pipe 122 is identical with the inner wall shape for revealing pipe 122, and reveals the inner wall shape of pipe 122 Center and reveal pipe 122 outer wall shape center superposition.So cause to reveal the simple structure of pipe 122.

For example it is assumed that pipe 122 is revealed with the planar interception perpendicular to the axial direction for revealing pipe 122, so as to obtain revealing pipe 122 Section.As shown in fig. 6, the outline for revealing the section of pipe 122 is square, the Internal periphery for revealing the section of pipe 122 is also Square.

Again as shown in fig. 7, the outline for revealing the section of pipe 122 is equilateral triangle, the Internal periphery in the section of pipe 122 is revealed Also it is equilateral triangle.

Again as shown in figure 8, the outline for revealing the section of pipe 122 is circle, the Internal periphery for revealing the section of pipe 122 is also It is circular.

In other embodiments, reveal the tube wall not uniform thickness of pipe 122.

That is, the inner wall shape for revealing the outer wall shape and leakage pipe 122 of pipe 122 is differed, and/or reveal pipe The center of the center of 122 inner wall shape and the outer wall shape for revealing pipe 122 is misaligned.

The outline for for example revealing the section of pipe 122 is circle, and the Internal periphery for revealing the section of pipe 122 is also circle, and Reveal the outline and the Internal periphery eccentric setting for revealing 122 section of pipe in the section of pipe 122.

In this utility model embodiment, it is preferable that the inwall for revealing pipe 122 is cylindrical.Thus, air can be reduced The resistance flowed in pipe 122 is revealed, the noise for reducing air with the interior wall friction generation for revealing pipe 122.

The electronic equipment of this utility model embodiment includes the acoustic structure 100 described in any of the above embodiment.

Above-mentioned acoustic structure 100, multiple sound chambers 108 can reduce the resonant frequency of acoustic structure 100, solve traditional handss The not good problem of machine bass effect.In addition, multiple acoustic aperture 110 of leading can be so that sound be transmitted from the sound chamber 108 for having speaker 106 It is more uniform to other sound chambers 108, further increase the audio quality of electronic equipment.

In some embodiments, electronic equipment is mobile phone or panel computer.

In one example, the top installing plate 116a of the second component 116 of acoustic structure 100 can be used as the outer of electronic equipment A part for lid, the first component 114 of acoustic structure 100 are located in electronic equipment.Therefore, assemble in the enclosing cover by electronic equipment When on electronic equipment, acoustic structure 100 can be formed, simplify the production process of electronic equipment.

In another example, acoustic structure 100 can also be attached to electronic equipment after molding alone, for example, install sound equipment During structure 100, the top installing plate 116a of second component 116 is contacted with the inner surface of the enclosing cover of electronic equipment.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically enforcement Mode ", " example ", " specific example ", or the description of " some examples " etc. mean what is described with reference to the embodiment or example Specific features, structure, material or feature are contained at least one embodiment of the present utility model or example.In this explanation In book, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, the concrete spy of description Levy, structure, material or feature can be combined in one or more any embodiment or example in an appropriate manner.

While there has been shown and described that embodiment of the present utility model, one of ordinary skill in the art can be managed Solution：These embodiments can be carried out in the case of without departing from principle of the present utility model and objective various changes, modification, Replace and modification, scope of the present utility model is limited by claim and its equivalent.

Claims (14)

1. a kind of acoustic structure, it is characterised in that include：

Casing, the casing are formed with multiple sound chambers, and the casing offers through hole；

Acoustic form is led, the acoustic form of leading is arranged between two sound chambers, the acoustic form of leading offers two institutes of connection State the multiple of sound chamber and lead acoustic aperture；

Speaker, the speaker are disposed therein in a sound chamber；And

Blow-by tube, the leakage pipe are arranged in the sound chamber, and the leakage pipe connects the through hole, and connect the sound chamber with The external world of the acoustic structure.

2. acoustic structure as claimed in claim 1, it is characterised in that the quantity in the sound chamber is two.

3. acoustic structure as claimed in claim 1, it is characterised in that the plurality of acoustic aperture of leading is circular port.

4. acoustic structure as claimed in claim 3, it is characterised in that the plurality of to lead the equivalently-sized of acoustic aperture.

5. acoustic structure as claimed in claim 1, it is characterised in that the casing is formed with chamber, and the acoustic form of leading sets Put in the within the chamber, the acoustic form of leading is spaced the chamber and forms the plurality of sound chamber.

6. acoustic structure as claimed in claim 5, it is characterised in that the casing includes first component and second component, institute State first component to be tightly connected to form the chamber with the second component.

7. acoustic structure as claimed in claim 1, it is characterised in that the casing includes spaced many sub- casings, Each described sub- casing forms a sound chamber, and the acoustic form of leading connects two sub- casings.

8. acoustic structure as claimed in claim 7, it is characterised in that it is described lead that acoustic form includes being arranged side by side multiple lead sound Pipe, each described phonocatheter connect two sound chambers, and each described phonocatheter to be offered and lead acoustic aperture described in one.

9. acoustic structure as claimed in claim 7, it is characterised in that each described sub- casing includes first component and second Part, the first component are tightly connected to form a sound chamber with the second component.

10. acoustic structure as claimed in claim 1, it is characterised in that the through hole includes being formed in the interior First opening, and be formed in the box outer surface second opening, it is described leakage pipe connection it is described first opening.

11. acoustic structures as claimed in claim 1, it is characterised in that the through hole includes be formed in interior One opening, and be formed in the second opening of the box outer surface, it is described to reveal pipe in the through hole and connect described the One opening and second opening.

12. acoustic structures as claimed in claim 1, it is characterised in that the quantity of the through hole for multiple, the pipe of revealing Quantity is identical with the quantity of the through hole, and each described leakage pipe connects the corresponding through hole.

13. a kind of electronic equipment, it is characterised in that include the acoustic structure as described in any one of claim 1～12.

14. electronic equipments as claimed in claim 13, it is characterised in that the electronic equipment is mobile phone or panel computer.