CN205793226U - PA-system and electronic installation - Google Patents

Abstract

The utility model discloses a kind of PA-system and electronic installation.Described PA-system includes casing and the different speaker of multiple tonal range.Described casing is formed with multiple sound chamber.Multiple described speakers are separately positioned on the plurality of sound intracavity.In above-mentioned PA-system, owing to described casing is formed with the plurality of sound chamber, the plurality of sound intracavity is respectively provided with the described speaker that multiple tonal range is different, the tonal range that described PA-system is produced is wider, audio frequency component is more rich, and then promotes the tonequality of described PA-system and the experience of user.

Description

PA-system and electronic installation

Technical field

This utility model relates to electroacoustic techniques field, particularly relates to a kind of PA-system and a kind of electronic installation.

Background technology

At present, along with the development of science and technology, the electronic installation with audio playing function is liked by people, and people are permissible Use the audio frequency such as electronic equipment plays back music to enrich the daily life of oneself.The audio frequency frequency of the sound that existing PA-system produces Section is narrower, and audio frequency component is less, and tonequality is poor, it is impossible to meet user's demand to tonequality.

Utility model content

This utility model is intended at least to solve one of technical problem present in prior art.To this end, this utility model carries For a kind of PA-system and a kind of electronic installation.

The PA-system of this utility model embodiment includes casing and the different speaker of multiple tonal range.Described case Body is formed with multiple sound chamber.Multiple described speakers are separately positioned on the plurality of sound intracavity.

In above-mentioned PA-system, owing to casing is formed with multiple sound chambeies, multiple sound intracavity are respectively provided with multiple audio frequency frequency The speaker of Duan Butong so that the tonal range that PA-system produces is wider, audio frequency component is more rich, and then promote PA-system Tonequality.

In some embodiments, described casing includes first component and the second component being connected with described first component, Described first component is connected the plurality of sound chamber of formation with described second component；

Described PA-system includes sealing member, and described sealing member seals between described first component and described second component Gap.

In some embodiments, be formed between the plurality of sound chamber of described PA-system and lead acoustic aperture, described in lead sound The phonocatheter in described sound chamber it is communicated with in hole.

In some embodiments, the described tonal range that multiple described speakers produce is connected substantially.

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

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

In some embodiments, described sealing member is for carrying sticking sealing member.

In some embodiments, described PA-system includes that connector, described connector are tightly connected described sealing member With described first component, and it is tightly connected described sealing member and described second component.

In some embodiments, described casing offers through hole, and described PA-system includes the leakage being positioned at sound intracavity Pipe, described leakage pipe connects described through hole, and described leakage pipe connects described sound chamber and the external world of described PA-system.

In some embodiments, described through hole includes the first opening being formed at described interior, and is formed at Second opening of described box outer surface, described leakage pipe connects described first opening.

In some embodiments, described through hole includes the first opening being formed at interior, and is formed at described Second opening of box outer surface, described leakage pipe is positioned in described through hole and connects described first opening and described second and opens Mouthful.

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

In some embodiments, linearly tubulose is managed in described leakage.

In some embodiments, the tube wall uniform thickness of described leakage pipe.

In some embodiments, the not uniform thickness of the tube wall of described leakage pipe.

The electronic installation of this utility model embodiment includes the PA-system described in above-mentioned any one embodiment.

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

In the electronic installation of this utility model embodiment, owing to casing is formed with multiple sound chambeies, multiple sound intracavity are respectively It is provided with the speaker that multiple tonal range is different so that the tonal range that PA-system produces is wider, audio frequency component is more rich, And then promote tonequality and the experience of user of PA-system.

Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below In become obvious, or recognized by practice of the present utility model.

Accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage are from combining the accompanying drawings below description to embodiment Will be apparent from easy to understand, wherein:

Fig. 1 is the schematic cross-section of the PA-system of this utility model embodiment.

Fig. 2 is another schematic cross-section of the PA-system of this utility model embodiment.

Fig. 3 is another schematic cross-section of the PA-system of this utility model embodiment.

Fig. 4 is the schematic cross-section revealing pipe of the PA-system of this utility model embodiment.

Fig. 5 is another schematic cross-section revealing pipe of the PA-system of this utility model embodiment.

Fig. 6 is another schematic cross-section revealing pipe of the PA-system of this utility model embodiment.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, wherein The most same or similar label represents same or similar element or has the element of same or like function.Lead to below It is exemplary for crossing 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 Novel restriction.

In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be only for It is easy to describe this utility model and simplifying describe rather than instruction or the device of hint indication or element must have specifically 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 instruction or hint relative importance or implicit indicate indicated technology The quantity of feature.Thus, define " first ", the feature of " second " can express or implicitly include one or more Described feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise the most concrete Limit.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be mechanically connected, it is also possible to be electrical connection or can mutually communication；Can be to be joined directly together, it is also possible in by Between medium be indirectly connected to, can be two element internals connection or the interaction relationship of two elements.For this area For those of ordinary skill, above-mentioned term concrete meaning 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 that the first and second features directly contact, it is also possible to includes that the first and second features are not directly contact but logical Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include 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 " include 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 for realizing different structure of the present utility model. In order to simplify disclosure of the present utility model, hereinafter parts and setting to specific examples are described.Certainly, they are only Example, and be not intended to limit 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 does not indicate discussed various embodiment And/or the relation between arranging.Additionally, the various specific technique that provides of this utility model and the example of material, but this Field those of ordinary skill is it can be appreciated that the application of other techniques and/or the use of other materials.

Referring to Fig. 1, the PA-system 100 of this utility model embodiment includes casing 102 and multiple tonal range not Same speaker 106.

Casing 102 is formed with multiple sound chamber 112.

Speaker 106 is separately positioned in the plurality of sound chamber 112.

In above-mentioned PA-system 100, owing to casing 102 is formed with multiple sound chambeies 112, it is respectively provided with in multiple sound chambeies 112 The speaker 106 that multiple tonal ranges are different so that the tonal range that PA-system 100 produces is wider, audio frequency component is richer Richness, and then promote tonequality and the experience of user of PA-system.

The PA-system 100 of this utility model embodiment can be applied on the small-sized electronic installations such as mobile terminal, Such as on the electronic installation such as MP4, mobile phone or panel computer, so that the tonal range that electronic installation produces is wider, audio frequency becomes Divide more rich, and then promote tonequality.

In some embodiments, casing 102 includes first component 108 and the second component being connected with first component 108 110, first component 108 is connected the multiple sound chambeies 112 of formation with second component 110；

PA-system 100 includes that sealing member 104, sealing member 104 seal between first component 108 and second component 110 Gap.

So, it is to avoid the sound wave of sound intracavity is gone out from the clearance leakage between first component and second component and caused and make an uproar Sound, and then improve the audio quality of PA-system broadcasting sound.

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

It addition, in the embodiment shown in figure 2, second component 110 in one end open, the frame-shaped that one end is closed, first Parts 108 are in tabular, and the open end of second component 110 connects first component 108 by sealing member.

Being appreciated that in other embodiments, the shape of first component 108 and second component 110 can also be designed as it 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 expose.

So, acoustic aperture 106a is gone out so that the sound that speaker 106 sends passes to the external world of PA-system 100.

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

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 embodiments, go out acoustic aperture 106a and can be opened in other positions of casing 102, such as, go out acoustic aperture 106a and be opened in second On the side installing plate plate of part 110 or first component 108.

It addition, refer to Fig. 3, in some embodiments, multiple sound chambeies 112 of PA-system 100 can also be by many Individual single-tone chamber 112 connects formation.

In some embodiments, it is formed between multiple sound chambeies 112 of PA-system 100 and leads acoustic aperture 120, lead acoustic aperture The phonocatheter 122 in sound chamber 112 it is communicated with in 120.

So, multiple sound chambeies 112 are interconnected, and effectively reduce the resonant frequency of PA-system 100.

Exist at some embodiment, described in lead acoustic aperture 120 and be arranged between first component 108 and second component 110.When So, in other embodiments, lead acoustic aperture 120 and can also be arranged on first component 108 or be arranged on second component 110, The position leading acoustic aperture 120 can be arranged according to practical situation, is not limited to set-up mode discussed above.

In some embodiments, lead to be provided with between acoustic aperture 120 and phonocatheter 122 and lead acoustic aperture 120 for sealing and lead The sealing pipe of sound pipe 122, to prevent sound from outwardly revealing and producing and make an uproar along leading the gap between acoustic aperture 120 and phonocatheter 122 Sound, in order to promote the audio of PA-system 100.

In some embodiments, the tonal range that multiple speakers 106 produce is connected substantially.

So, PA-system 100 sends the audio frequency of sound and has more preferable seriality so that the audio frequency component of sound is more Abundant, and then promote the tonequality of PA-system 100.

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

Owing to compression foam has certain flexibility, when first component 108 assembles with second component 110, can first by Compression foam is fixed on first component 108 or second component 110, then first component 108 and second component 110 is assembled also Firmly pressing, thus can be by compression foam compression to seal the gap between first component 108 and second component 110.

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

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

In some embodiments, sealing member 104 is for carrying sticking sealing member.Such as, opposing two of sealing member 104 Viscose glue can be set and make sealing member 104 band toughness on individual surface.And for example, sealing member 104 is fluid sealant.

So, after first component 108 assembles with second component 110, sticking sealing member 104 is carried to seal first While gap between part 108 and second component 110, connection first component 108 and second component 110 can be fixed, it is to avoid First component 108 loosens with second component 110 and affects the audio quality of PA-system 100, it is also possible to save subsequent fixed the One parts 108 and the operation of second component 110.

In some embodiments, PA-system 100 includes that connector 114, connector 114 are tightly connected sealing member 104 With first component 108, and it is tightly connected sealing member 104 and second component 110.

So, connector 114 can facilitate the connection between first component 108, sealing member 104 and second component 110.Even Fitting 114 can use the sticking material of tool to make, such that it is able to by first component 108, sealing member 104 and second component 110 fixing connections.

When sealing member 104 is for carrying sticking sealing member 104, PA-system 100 can omit connector 114, such as Fig. 2 institute Show.

In some embodiments, casing 102 offers through hole 116, and PA-system 100 includes being positioned at sound chamber 112 Reveal pipe 118, reveal pipe 118 and connect through hole 116, reveal pipe 118 and connect sound chamber 112 and the external world of PA-system 100.

So, reveal pipe 118 and can reduce the resonant frequency of PA-system 100, such that it is able to improve PA-system 100 Bass effect, solves the problem that tradition PA-system 100 bass effect is the best, further increases the broadcasting of PA-system 100 The quality of sound so that user can hear more graceful sound.

It addition, reveal pipe 118 so that speaker 106 back side sound wave phase place reversing so that speaker 106 vibrating diaphragm The phase place of the sound wave at the back side is identical with the acoustic phase in the vibrating diaphragm front of speaker 106 after revealing pipe 118, speaker 106 Back side sound wave is superimposed with speaker 106 front sound wave, improves the radiation efficiency of sound wave.

Specifically, reveal pipe 118 owing to the air near the speaker 106 vibrating diaphragm back side arrives to have the regular hour poor, When the air at the speaker 106 vibrating diaphragm back side arrives and reveals pipe 118, now, the vibrating diaphragm of speaker 106 can travel forward and attract Reveal the air near pipe 118, prevent the air near leakage pipe 118 to pass to outside PA-system 100 through revealing pipe 118 Boundary.

When the vibrating diaphragm of speaker 106 vibrates a cycle again and again travels forward, reveal air near pipe 118 from Reveal pipe 118 and pass to the external world of PA-system 100.Accordingly, because air arrives from the back side of speaker 106 vibrating diaphragm reveals pipe The time difference of 118 so that the phase place reversing of speaker 106 back side sound wave.

It is pointed out that extraneous for the part beyond casing 102, speaker 106 just facing to PA-system 100 Extraneous.

In this utility model embodiment, through hole 116 and speaker 106 are separately positioned on different installing plates, such as, Incorporated by reference to Fig. 1, speaker 106 is arranged on the top installing plate 110a of second component 110, and 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, through hole 116 includes the first opening 116a and the second opening 116b.First opening 116a shape Become at casing 102 inner surface.Second opening 116b is formed at casing 102 outer surface.Reveal pipe 118 and connect the first opening 116a, As shown in Figure 1.

So, the sound wave in sound chamber 112 sequentially pass through leakage pipe the 118, first opening 116a and the second opening 116b pass to The external world of PA-system 100, with superimposed with the sound wave in speaker 106 front and improve the spoke of sound wave that speaker 106 produces Penetrate efficiency.

In other embodiments, reveal pipe 118 be positioned in through hole 116 and connect the first opening 116a and the second opening 116b, as shown in Figure 2.

So, the sound wave in sound chamber 112 is directly delivered to the external world of PA-system 100 from leakage pipe 118.Need explanation It is that the outer wall revealing pipe 118 is connected with the inner wall sealing of through hole 116, with sound wave in avoiding sound chamber 112 from revealing pipe 118 Flow out between the inwall of wall and through hole 116 and cause noise.

In some embodiments, the quantity of through hole 116 is multiple, reveals the quantity of pipe 118 and the quantity phase of through hole 116 With, each leakage pipe 118 connects the through hole 116 of correspondence.

So, multiple leakage pipes 118 can reduce the resonant frequency of speaker 106, thus reduces 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 on same installing plate, such as, be installed in first component 108 Side installing plate on, and in other embodiments, multiple leakage pipes can be separately mounted to first component 108 or second component On 110 different installing plates.Such as, multiple leakage pipes are separately mounted on relative installing plate.

In some embodiments, pipe 118 linearly tubulose is revealed.So, reveal the simple in construction of pipe 118, easily make Become, such that it is able to reduce the manufacturing cost of PA-system 100.

In some embodiments, the tube wall uniform thickness of pipe 118 is revealed.

The outer wall shape i.e. revealing pipe 118 is identical with the inner wall shape revealing pipe 118, and reveals the inner wall shape of pipe 118 Center and reveal the center superposition of outer wall shape of pipe 118.So make to reveal the simple in construction of pipe 118.

For example it is assumed that reveal pipe 118 to be perpendicular to reveal the axial planar interception of pipe 118, thus obtain revealing pipe 118 Cross section.As shown in Figure 4, the outline in the cross section revealing pipe 118 is square, and the Internal periphery in the cross section revealing pipe 118 is also Square.

Again as it is shown in figure 5, the outline revealing the cross section of pipe 118 is equilateral triangle, reveal the Internal periphery in the cross section of pipe 118 Also it is equilateral triangle.

The most as shown in Figure 6, the outline in the cross section revealing pipe 118 is circular, and the Internal periphery in the cross section revealing pipe 118 is also Circular.

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

It is to say, the outer wall shape revealing pipe 118 differs with the inner wall shape revealing pipe, and/or reveal the interior of pipe The center of the outer wall shape of the center of wall shape and leakage pipe is misaligned.

The outline in the cross section such as revealing pipe is circle, and the Internal periphery in the cross section revealing pipe is also circular, and reveals pipe Cross section outline with reveal tube section Internal periphery eccentric setting.

In this utility model embodiment, it is preferable that the inwall revealing pipe 118 is cylindrical.So, air can be reduced The resistance of flowing in revealing pipe 118, reduces air and the fricative noise of inwall revealing pipe 118.

The electronic installation of this utility model embodiment includes the PA-system 100 of above-mentioned any one embodiment.

In the electronic installation of this utility model embodiment, owing to sealing member 104 seals first component 108 and second component Gap between 110, therefore avoids the sound wave in sound chamber 112 from the clearance leakage between first component 108 and second component 110 Go out and cause noise, and then improve PA-system 100 and play the audio quality of sound.

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

In one example, outside the top installing plate 110a of the second component 110 of PA-system 100 can be as electronic installation A part for lid, the first component 108 of PA-system 100 is positioned at electronic installation.Therefore, the enclosing cover of electronic installation is being assembled The when of on electronic installation, PA-system 100 can be formed, simplify the production process of electronic installation.

In another example, PA-system 100 can also be installed to electronic installation after molding alone, such as, install sound equipment During device 100, the top installing plate 110a of second component 110 contacts with the inner surface of the enclosing cover of electronic installation.

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

Embodiment the most of the present utility model, those of ordinary skill in the art can manage Solve: these embodiments can be carried out in the case of without departing from principle of the present utility model and objective multiple change, amendment, Replacing and modification, scope of the present utility model is limited by claim and equivalent thereof.

Claims (17)

1. a PA-system, for electronic installation, it is characterised in that described PA-system includes:

Casing, described casing is formed with multiple sound chamber；And

The speaker that multiple tonal ranges are different, multiple described speakers are separately positioned on the plurality of sound intracavity.

2. PA-system as claimed in claim 1, it is characterised in that described casing include first component and with described first The second component that part connects, described first component is connected the plurality of sound chamber of formation with described second component；

Described PA-system includes sealing member, between described sealing member seals between described first component and described second component Gap.

3. PA-system as claimed in claim 2, it is characterised in that formed between the plurality of sound chamber of described PA-system Lead acoustic aperture, described in lead acoustic aperture in be communicated with the phonocatheter in described sound chamber.

4. PA-system as claimed in claim 1, it is characterised in that the described tonal range base that multiple described speakers produce Originally it is connected.

5. PA-system as claimed in claim 2, it is characterised in that the material of described sealing member is compression foam.

6. PA-system as claimed in claim 2, it is characterised in that the material of described sealing member is colloid.

7. PA-system as claimed in claim 2, it is characterised in that described sealing member is for carrying sticking sealing member.

8. PA-system as claimed in claim 2, it is characterised in that described PA-system includes connector, described connector It is tightly connected described sealing member and described first component, and is tightly connected described sealing member and described second component.

9. PA-system as claimed in claim 1, it is characterised in that described casing offers through hole, described PA-system bag Including the leakage pipe being positioned at sound intracavity, described leakage pipe connects described through hole, and described leakage pipe connects described sound chamber and described sound equipment The external world of device.

10. PA-system as claimed in claim 9, it is characterised in that described through hole includes being formed at described interior The first opening, and be formed at the second opening of described box outer surface, described leakage pipe connects described first opening.

11. PA-systems as claimed in claim 9, it is characterised in that described through hole includes be formed at interior One opening, and it is formed at the second opening of described box outer surface, described leakage pipe is positioned in described through hole and connects described One opening and described second opening.

12. PA-systems as claimed in claim 9, it is characterised in that the quantity of described through hole is multiple, described leakage pipe Quantity is identical with the quantity of described through hole, and each described leakage pipe connects corresponding described through hole.

13. PA-systems as claimed in claim 9, it is characterised in that linearly tubulose is managed in described leakage.

14. PA-systems as claimed in claim 13, it is characterised in that the tube wall uniform thickness of described leakage pipe.

15. PA-systems as claimed in claim 13, it is characterised in that the tube wall not uniform thickness of described leakage pipe.

16. 1 kinds of electronic installations, it is characterised in that include the PA-system as described in claim 1～15 any one.

17. electronic installations as claimed in claim 16, it is characterised in that described electronic installation is mobile phone or panel computer.