CN206100403U - Acoustic structure and electronic equipment - Google Patents

Abstract

The utility model discloses an acoustic structure and electronic equipment. Acoustic structure includes box, speaker and reveals the pipe. The box is formed with the sound chamber, and the through -hole has been seted up to the box. The speaker is arranged in the sound chamber. Reveal tub setting in the sound chamber to connect the via hole reveals the cylindric leakage hole that the pipe is formed with intercommunication sound chamber and acoustic structure's the external world. Acoustic structure satisfies following relational expression: (Imgfile='DDA0001035371380000011. TIF'wi='222'he='151' /) wherein, L does leakage hole's length, lambda h does the corresponding wavelength of maximum frequency on the impedance curve of speaker. Above -mentioned acoustic structure is owing to satisfy above -mentioned relational expression for it can carry out the paraphase to the sound wave in the sound chamber to reveal the pipe, has reduced acoustic structure's resonant frequency, has improved acoustic structure's bass effect, thereby has improved acoustic structure'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, speaker and reveals pipe.Casing is formed with sound chamber, case Body offers through hole.Speaker is located in sound chamber.Reveal pipe to be arranged in sound chamber, and connect the through hole, the leakage is tubular Into the cylindric leak holes for having the connection sound chamber and the external world of the acoustic structure.Acoustic structure meets relationship below：Wherein, L is the length of the leak holes；λ_hFor the maximum frequency correspondence on the impedance curve of the speaker Wavelength.

Above-mentioned acoustic structure, due to meeting above-mentioned relation formula so that revealing pipe can carry out paraphase to the sound wave in sound chamber, The resonant frequency of acoustic structure is reduced, the bass effect of acoustic structure is improve, so as to improve the audio product of acoustic structure Matter.

In some embodiments, the second component that the casing is included first component and is connected with the first component, The first component is connected to form the sound chamber with the second component.

In some embodiments, the acoustic structure includes sealing member, the sealing member seal the first component with Gap between the second component.

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

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

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, it is described to reveal the linear tubulose of pipe.

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

In above-mentioned electronic equipment, due to meeting above-mentioned relational expression so that revealing pipe can be carried out to the sound wave in sound chamber Paraphase, reduces the resonant frequency of acoustic structure, improves the bass effect of acoustic structure, so as to improve the sound of acoustic structure Effect quality.

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 the 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.

Refer to Fig. 1 and Fig. 4, the acoustic structure 100 of this utility model embodiment include casing 102, speaker 106 and Reveal pipe 118.Casing 102 is formed with sound chamber 112.Casing 102 offers through hole 116.Speaker 106 is located in sound chamber 112.

Reveal pipe 118 to be located in sound chamber 112.The connection through hole 116 of pipe 118 is revealed, pipe 118 is revealed and is formed with connection sound chamber 112 and acoustic structure 100 the external world cylindric leak holes 118a.

Acoustic structure 100 meets relationship below：

Wherein, length of the L for leak holes 118a；

λ_hFor the corresponding wavelength of maximum frequency on the impedance curve of speaker 106.

Above-mentioned acoustic structure 100, due to meeting above-mentioned relation formula so that revealing pipe 118 can be to the sound wave in sound chamber 112 Paraphase is carried out, the resonant frequency of acoustic structure 100 is reduced, such that it is able to improve the bass effect of acoustic structure 100, solves to pass The not good problem of system 100 bass effect of acoustic structure, further increases the quality of the broadcasting sound of acoustic structure 100 so that User can hear more graceful sound.

In addition, the phase place of the sound wave at the 106 vibrating diaphragm back side of speaker after revealing pipe 118 with the vibrating diaphragm of speaker 106 just The acoustic phase in face is identical, and 106 back side sound wave of speaker is superimposed with 106 front sound wave of speaker, improves the radiation of sound wave Efficiency.

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.

Specifically, have the regular hour poor as the air near the 106 vibrating diaphragm back side of speaker reaches leakage pipe 118, When the air at the 106 vibrating diaphragm back side of speaker is reached reveals pipe 118, now, the vibrating diaphragm of speaker 106 can travel forward and attract The air near pipe 118 is revealed, and prevents the air revealed near pipe 118 the outer of acoustic structure 100 to be passed to through revealing pipe 118 Boundary.

When the vibrating diaphragm of speaker 106 vibrates a cycle again and travels forward again, reveal pipe 118 near air from Reveal the external world that pipe 118 passes to acoustic structure 100.Therefore, because air is reached from the back side of 106 vibrating diaphragm of speaker reveals pipe 118 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.

In some embodiments, the second component that casing 102 is included first component 108 and is connected with first component 108 110, first component 108 is connected to form sound chamber 112 with second component 110.

In addition, 102 split molding of casing so that casing 102 is more prone to manufacture.

In the embodiment shown in Fig. 1, first component 108 and second component 110 are in one end open, one end closing Frame-shaped, the open end of first component 108 are connected to form casing 102 with the open end of Part II 110 by sealing member 104.

In addition, in the embodiment shown in figure 2, second component 110 is in one end open, the frame-shaped of one end closing, first Part 108 is in tabular, and the open end of second component 110 connects first component 108 by sealing member.

It is appreciated that in other embodiments, the shape of first component 108 and second component 110 can also be designed as which Its suitable shape.

Specifically, casing 102 offers out acoustic aperture 106a, and speaker 106 is arranged on casing 102 and by going out acoustic aperture 106 exposures.

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, go out acoustic aperture 106a and be opened on the top installing plate 110a of second component 110.And In other embodiment, go out the other positions that acoustic aperture 106a can be opened in casing 102, for example, go out acoustic aperture 106a and be opened in second On the side installing plate or first component 108 of part 110.The position of speaker 106 accordingly adjusts.

In this utility model embodiment, through hole 116 and go out acoustic aperture 106a and be separately positioned on different installing plates, example Such as, incorporated by reference to Fig. 1, go out the top installing plate 110a that acoustic aperture 106a is arranged on second component 110, through hole 116 is opened in first component 108 side installing plate.In other embodiments, through hole and speaker can be arranged on same installing plate.

In some embodiments, acoustic structure 100 includes sealing member 104, the sealing of sealing member 104 first component 108 with Gap between second component 110.

Thus, as sealing member 104 seals the gap between first component 108 and second component 110, therefore avoid sound chamber Sound wave in 112 is gone out from the clearance leakage between first component 108 and second component 110 and causes noise, and then improves Acoustic structure 100 plays the audio quality of sound.

In some embodiments, the material of sealing member 104 is compression foam.

There is certain flexibility due to compressing foam, when first component 108 is assembled with second component 110, can first by Compression foam is fixed on first component 108 or second component 110, is then assembled simultaneously first component 108 and second component 110 Firmly press, it is possible thereby to compression foam is compressed to seal the gap between first component 108 and second component 110.

In some embodiments, the material of sealing member 104 is colloid.

Thus, colloid can also seal the gap between first component 108 and second component 110, colloid such as silica gel or UV glue isocolloids.

In some embodiments, sealing member 104 is with sticking sealing member.For example, opposite two of sealing member 104 Can viscose glue be set on individual surface and sealing member 104 is made with toughness.And for example, sealing member 104 is fluid sealant.

Thus, after first component 108 is assembled with second component 110, with sticking sealing member 104 in sealing first While gap between part 108 and second component 110, first component 108 and second component 110 can be fixedly connected, it is to avoid First component 108 and second component 110 loosen and affect the audio quality of acoustic structure 100, it is also possible to save subsequent fixed the The operation of one part 108 and second component 110.

In some embodiments, acoustic structure 100 includes connector 114, and connector 114 is tightly connected sealing member 104 With first component 108, and sealing member 104 and second component 110 are tightly connected.

Thus, connector 114 can facilitate the connection between first component 108, sealing member 104 and second component 110.Even Fitting 114 can be made using the sticking material of tool, such that it is able to by first component 108, sealing member 104 and second component 110 are fixedly connected.

When sealing member 104 is with sticking sealing member 104, acoustic structure 100 can omit connector 114, such as Fig. 3 institutes Show.

In some embodiments, through hole 116 includes the opening 116b of the first opening 116a and second.First opening 116a shapes Into in 102 inner surface of casing.Second opening 116b is formed in 102 outer surface of casing.The connection of pipe 118 first opening 116a is revealed, As shown in Figure 1.

Thus, the sound wave in sound chamber 112 sequentially passes through the leakage opening 116b of opening 116a and second of pipe 118, 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 118 is located at through hole 116 and connect the openings of the first opening 116a and second 116b, as shown in Figure 3.

Thus, the sound wave in sound chamber 112 is directly delivered to the external world of acoustic structure 100 from leakage pipe 118.Need explanation It is that the outer wall for revealing pipe 118 be connected with the inner wall sealing of through hole 116, to avoid sound wave in sound chamber 112 from leakage pipe 118 outward Flow out between the inwall of wall and through hole 116 and cause noise.

In some embodiments, reveal 118 linear tubulose of pipe.Thus, revealing the simple structure of pipe 118, 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 118.

The outer wall shape for revealing pipe 118 is identical with the inner wall shape for revealing pipe 118, cylindrical.And reveal pipe 118 Inner wall shape center and reveal pipe 118 outer wall shape center superposition.So cause to reveal the simple structure of pipe 118, Easily obtain.

In other embodiments, reveal the tube wall not uniform thickness of pipe 118.

That is, the inner wall shape for revealing the outer wall shape and leakage pipe 118 of pipe 118 is differed, and/or reveal pipe The center of the center of 118 inner wall shape and the outer wall shape for revealing pipe 118 is misaligned.

The shape of outer wall of pipe 118 is revealed for example in flat column, the shape for revealing the inwall of pipe 118 is cylindrical.And for example, The shape for revealing the outer wall of pipe 118 is cylindrical with the shape of the inwall for revealing pipe 118, but reveals the center of the outer wall of pipe 118 The central shaft of axle and the inwall for revealing pipe 118 deviates.

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

The electronic equipment of this utility model embodiment, due to meeting above-mentioned relational expression so that revealing pipe 118 can be right Sound wave in sound chamber 112 carries out paraphase, reduces the resonant frequency of acoustic structure 100, improves the bass effect of acoustic structure 100 Really, so as to improve the audio quality of acoustic structure 100.

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

In one example, the top installing plate 110a of the second component 110 of acoustic structure 100 can be used as the outer of electronic equipment A part for lid, the first component 108 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 110a of second component 110 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 (10)

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

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

Speaker, the speaker are located in the sound chamber；And

Pipe is revealed, the leakage pipe is arranged in the sound chamber, and connects the through hole, and it is described that the leakage pipe is formed with connection The cylindric leak holes in sound chamber and the external world of the acoustic structure, the acoustic structure meet relationship below：

$\frac{L}{{\mathrm{\&lambda;}}_h}<\frac{1}{4}$

Wherein, L is the length of the leak holes；

λ_hFor the corresponding wavelength of maximum frequency on the impedance curve of the speaker.

2. acoustic structure as claimed in claim 1, it is characterised in that the casing include first component and with described first The second component of part connection, the first component are connected to form the sound chamber with the second component.

3. acoustic structure as claimed in claim 2, it is characterised in that the acoustic structure includes sealing member, the sealing member Seal the gap between the first component and the second component.

4. acoustic structure as claimed in claim 3, it is characterised in that the material of the sealing member is compression foam.

5. acoustic structure as claimed in claim 3, it is characterised in that the material of the sealing member is colloid.

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

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

8. acoustic structure as claimed in claim 1, it is characterised in that the linear tubulose of the leakage pipe.

9. a kind of electronic equipment, it is characterised in that include the acoustic structure as described in any one of claim 1～8.

10. electronic equipment as claimed in claim 9, it is characterised in that the electronic equipment is mobile phone or panel computer.