CN206100354U - Acoustic structure and electronic equipment - Google Patents

Abstract

The utility model discloses an acoustic structure and electronic equipment. Acoustic structure includes box, rough structure and speaker. The box is formed with the sound chamber. Rough structure is located the sound intracavity, and rough structure is formed with a plurality of recesses. The speaker is located the sound intracavity. Among the above -mentioned acoustic structure, rough structure can absorb specific frequency's sound wave, has reduced the effort of sound wave to the loudspeaker diaphragm back to increase the acceleration of the vibration of speaker, improved the loudness of speaker, and then improved the audio quality of acoustic structure broadcast sound.

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, coarse structure and speaker.The casing is formed with Sound chamber.The coarse structure is located at the sound intracavity, and the coarse structure is formed with multiple grooves.The speaker is located at described Sound intracavity.

In above-mentioned acoustic structure, coarse structure can absorb the sound wave of characteristic frequency, reduce sound wave to the diaphragm of loudspeaker The active force at the back side, so as to increase the acceleration of the vibration of speaker, improves the loudness of speaker, and then improves sound equipment Structure plays the audio quality of sound.

In some embodiments, the casing includes the first relative plate body and the second plate body, and the speaker is arranged On the inner surface of second plate body, the coarse structure is arranged on the inner surface of first plate body.

In some embodiments, the position of the speaker is relative with the position of the coarse structure.

In some embodiments, the coarse structure includes at least two minor structures, at least two minor structure Structure has difference.

In some embodiments, the coarse structure and the casing are formed in one structure.

In some enforcement embodiments, the casing offers through hole, and the acoustic structure is included positioned at the sound chamber Interior leakage pipe, the leakage pipe connect the through hole, and the leakage pipe connects the external world of the sound chamber and the acoustic structure.

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, and the quantity of the leakage pipe is and the through hole Quantity is identical, and each described leakage pipe connects the corresponding through hole.

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, coarse structure can absorb the sound wave of characteristic frequency, reduce sound wave to the diaphragm of loudspeaker The active force at the back side, so as to increase the acceleration of the vibration of speaker, improves the loudness of speaker, and then improves sound equipment Structure plays the audio quality of sound.

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.

The enlarged diagram of the acoustic structure V parts of Fig. 5 Fig. 1.

Fig. 6 is the floor map of the coarse structure of the acoustic structure of this utility model embodiment.

Fig. 7 is the 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.

Fig. 9 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. 5 is referred to, the acoustic structure 100 of this utility model embodiment includes casing 102, coarse structure 103rd, sealing member 104 and speaker 106.

Casing 102 is formed with sound chamber 112.Coarse structure 103 is located in sound chamber 112, and coarse structure 103 is formed with multiple recessed Groove 122.Speaker 106 is located in sound chamber 112.

In above-mentioned coarse structure 103, coarse structure 103 can absorb the sound wave of characteristic frequency, reduce sound wave to raising one's voice The active force at the 106 vibrating diaphragm back side of device, so as to increase the acceleration of the vibration of speaker 106, improves the sound of speaker 106 Degree, and then improve the audio quality that acoustic structure 100 plays sound.

It is pointed out that multiple grooves 122 of coarse structure 103 can be arranged with a kind of rule or be arranged with several rules Cloth.

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 some embodiments, casing 102 includes the first relative plate body 102a and the second plate body 102b, coarse structure 103 are arranged on the inner surface of the first plate body 102a, and speaker 106 is arranged on the inner surface of the second plate body 102b.

Thus, the path that the sound wave that 106 back side of speaker produces reaches coarse structure 103 is shorter, sound wave is accessible to slightly Rough structure 103, so that coarse structure 103 absorbs the sound wave of characteristic frequency.

Specifically, casing 102 offers out acoustic aperture 106a, and speaker 106 is arranged on casing 102 and by going out acoustic aperture 106 exposures.Go out position change of acoustic aperture 106a with speaker 106.

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.

It should be noted that speaker 106 can with it is single go out acoustic aperture 106a it is corresponding, it is also possible to it is multiple go out acoustic aperture 106a Correspondence.

In some embodiments, the position of speaker 106 is relative with the position of coarse structure 103.

Thus, being further conducive to coarse structure 103 to absorb the sound wave of characteristic frequency.

Fig. 6 is referred to, in some embodiments, coarse structure 103 includes at least two minor structures 103a, at least two The structure of minor structure 103a has difference.

Thus, the multiple minor structures 103 with architectural difference can absorb the sound wave of different characteristic frequency, it is specific to reduce Active force of the sound wave of frequency to 106 vibrating diaphragm of speaker.

Specifically, in architectural difference two minor structures 103a, it may include but be not limited in following distinguishing characteristicss One or more：

1. the regularity of distribution of multiple grooves 122 of one of minor structure 103a is multiple with another minor structure 103a 122 regularity of distribution of groove is different；

2. the shape of the groove 122 of the shape of the groove 122 of one of minor structure 103a and another minor structure 103a Shape is different.For example, the groove 122 of one of minor structure 103a is rounded, and the groove 122 of another minor structure 103a is in square The other shapes such as shape.

3. the chi of the groove 122 of the size of the groove 122 of one of minor structure 103a and another minor structure 103a Very little difference.

In some embodiments, coarse structure 103 and casing 102 are formed in one structure.Thus, sound equipment can be simplified The manufacture process of structure 100.

In one example, the inner surface of casing 102 can be processed to form multiple grooves by way of Laser Processing 122, so as to coarse structure 103 is formed on the inner surface of casing 102.

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.

Thus, casing 102 adopts split molding so that casing 102 is more easily manufactured.

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 tightly connected to form casing 102 with the open end of Part II 110.

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 is tightly connected first component 108.

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.

In present embodiment, first component 108 includes the first plate body 102a, and second component 110 includes the second plate body 102b.

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, casing 102 offers through hole 116, and acoustic structure 100 is included in sound chamber 112 Pipe 118 is revealed, the connection through hole 116 of pipe 118 is revealed, the external world of the connection sound of pipe 118 chamber 112 and acoustic structure 100 is revealed.

Thus, revealing pipe 118 can reduce the resonant frequency of acoustic structure 100, such that it is able to improve acoustic structure 100 Bass effect, solves the problems, such as that 100 bass effect of traditional acoustic structure is not good, further increases the broadcasting of acoustic structure 100 The quality of sound so that user can hear more graceful sound.

The phase place of the sound wave at 106 back side of speaker can be caused to reverse in addition, revealing pipe 118 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 118 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 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 this utility model embodiment, through hole 116 and speaker 106 are separately positioned on different plate bodys, for example, please With reference to Fig. 1, speaker 106 is arranged on the second plate body 102b of second component 110, and through hole 116 is opened in the side of first component 108 Plate body.In other embodiments, through hole and speaker can be arranged on same plate body.

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.

Fig. 4 is referred to, in some embodiments, the quantity of through hole 116 is multiple, reveals the quantity and through hole of pipe 118 116 quantity is identical, and each is revealed pipe 118 and connects corresponding through hole 116.

Thus, multiple pipes 118 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 118 to be fixed in sound chamber 112 by support (not shown).

In present embodiment, multiple leakage pipes 118 are respectively provided with same plate body, for example, be installed in first component 108 On side plate body, and in other embodiments, multiple leakage pipes can be separately mounted to first component 108 or second component 110 On different plate bodys.For example, multiple leakage pipes are separately mounted on relative plate body.

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, and reveals the inner wall shape of pipe 118 Center and reveal pipe 118 outer wall shape center superposition.So cause to reveal the simple structure of pipe 118.

For example it is assumed that pipe 118 is revealed with the planar interception perpendicular to the axial direction for revealing pipe 118, so as to obtain revealing pipe 118 Section.As shown in fig. 7, the outline for revealing the section of pipe 118 is square, the Internal periphery for revealing the section of pipe 118 is also Square.

Again as shown in figure 8, the outline for revealing the section of pipe 118 is equilateral triangle, the Internal periphery in the section of pipe 118 is revealed Also it is equilateral triangle.

Again as shown in figure 9, the outline for revealing the section of pipe 118 is circle, the Internal periphery for revealing the section of pipe 118 is also It is circular.

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

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

The outline for for example revealing the section of pipe is circle, and the Internal periphery for revealing the section of pipe is also circle, and reveals pipe Section outline with reveal tube section Internal periphery eccentric setting.

In this utility model embodiment, it is preferable that the inwall for revealing pipe 118 is cylindrical.Thus, air can be reduced The resistance flowed in pipe 118 is revealed, the noise for reducing air with the interior wall friction generation for revealing pipe 118.

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

In the electronic equipment of this utility model embodiment, coarse structure 103 can absorb the sound wave of characteristic frequency, reduce Active force of the sound wave to the 106 vibrating diaphragm back side of speaker, so as to increase the acceleration of the vibration of speaker 106, improves and raises The loudness of sound device 106, and then improve the audio quality that acoustic structure 100 plays sound.

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

In one example, the second plate body 102b 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 second plate body 102b 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 (12)

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

Casing, the casing are formed with sound chamber；

Coarse structure, the coarse structure are located at the sound intracavity, and the coarse structure is formed with multiple grooves；And

Speaker, the speaker are located at the sound intracavity.

2. acoustic structure as claimed in claim 1, it is characterised in that the casing includes the first relative plate body and the second plate Body, the coarse structure are arranged on the inner surface of first plate body, and the speaker is arranged on the interior of second plate body On surface.

3. acoustic structure as claimed in claim 2, it is characterised in that the position of the position of the speaker and the coarse structure Put relative.

4. acoustic structure as claimed in claim 1, it is characterised in that the coarse structure includes at least two minor structures, institute The structure for stating at least two minor structures has difference.

5. acoustic structure as claimed in claim 1, its feature is being that the coarse structure is formed in one with the casing Structure.

6. acoustic structure as claimed in claim 1, it is characterised in that the casing offers through hole, the acoustic structure bag Include the leakage pipe positioned at the sound intracavity, the leakage pipe connects the through hole, the leakage pipe connects the sound chamber and described The external world of acoustic structure.

7. acoustic structure as claimed in claim 6, 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.

8. acoustic structure as claimed in claim 6, 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.

9. acoustic structure as claimed in claim 6, it is characterised in that the quantity of the through hole is 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.

10. acoustic structure as claimed in claim 6, it is characterised in that the linear tubulose of the leakage pipe.

11. a kind of electronic equipment, it is characterised in that include the acoustic structure as described in any one of claim 1～10.

12. electronic equipments as claimed in claim 11, it is characterised in that the electronic equipment is mobile phone or panel computer.