CN205510332U

CN205510332U - Sounding device

Info

Publication number: CN205510332U
Application number: CN201620260684.3U
Authority: CN
Inventors: 杨玉功
Original assignee: Taihe County Beijing Katyuan Science And Technology Ltd
Current assignee: Taihe County Beijing Katyuan Science And Technology Ltd
Priority date: 2016-03-30
Filing date: 2016-03-30
Publication date: 2016-08-24
Anticipated expiration: 2026-03-30

Abstract

The utility model provides a sounding device goes out the sound hole through set up at least one on the casing, sets up the sound source on the casing, and the sound source is openly outside towards the casing, and the sound source back is inside the casing to the regional sonic propagation passageway that forms that encloses with the casing internal surface at the sound source back, still be provided with at least one detachable tuning device on this casing, the inner chamber and the sonic propagation passageway intercommunication of tuning device to make the sound wave dorsad of sound source propagate and wear out from go out the sound hole in the inner chamber of tuning device, sonic propagation passageway. This sounding device simple structure, it has the tuning device that can dismantle in order to carry out the tone quality adjustment, has realized filtration and adjustment to the sound wave quality, effectively improves sounding device's acoustic performance, vocal energy and vocal efficiency to provide unblocked propagation passageway for the sound wave dorsad of sound source through the play sound hole on the casing, effectively drawn forth the sound wave dorsad of sound source, improved sounding device's acoustic performance after forward sound wave of making its and sound source joins.

Description

Sound-producing device

Technical field

This utility model relates to technical field of acoustics, particularly relates to a kind of sound-producing device.

Background technology

Along with the raising of people's living standard, consumer is for the amusement and leisure equipment such as audio amplifier, earphone The requirement of pronunciation tonequality more and more higher.

The structure of the sound-producing devices such as existing audio amplifier, earphone is being fixedly installed after dispatching from the factory, and user is nothing Method, is only capable of passing through be adjusted tonequality, audio etc. by the internal structure of change audio amplifier or earphone The software system of playback equipment, the application program such as mobile phone terminal is adjusted, or by audio amplifier The adjusting knob of volume audio be adjusted, but above-mentioned Adjusted Option all cannot fundamentally change to be sent out The intrinsic tone color of the sent sound wave of acoustic device, tonequality feature.If user need to experience different tonequality or Audio, then need to buy accordingly the audible device of multiple different tonequality or audio to meet demand, consumption Cost is high.

Utility model content

This utility model provides a kind of sound-producing device, and it has the tune that can dismantle to carry out tonequality adjustment Sound device, to realize being adjusted the sound wave quality of sound-producing device, improves the acoustics of sound-producing device Energy, sounding energy and phonation efficiency.

This utility model provides a kind of sound-producing device, including: housing, sound source, tuning device；Described shell At least one sender is offered on body；Described sound source is arranged on the housing；The front of described sound source Towards the outside of described housing, the back side of described sound source is towards the inside of described housing；The back of the body of described sound source Face forms sonic propagation passage with the inner surface of described housing；Being additionally provided with at least one on described housing can The tuning device of dismounting, the inner chamber of described tuning device and described sonic propagation channel connection, so that from institute State sound wave dorsad that the back side of sound source sends in the inner chamber, described sonic propagation passage of described tuning device Propagate and pass from described sender.

Optionally, the interior intracavity of described tuning device is provided with removable tuning parts；Described tuning portion Part include following at least one: tuning natural cotton, tuning silk floss, adjustable sound paper.

Optionally, the interior intracavity of described tuning device is laid with tuning parts；Described tuning parts are by extremely The multiple structure that few one layer of tuning material is constituted, the surface configuration of described tuning parts is fluted.

Optionally, described housing is provided with, on described tuning device, the screw thread mated, so that described tuning Device is screwed with described housing by described screw thread and is connected.

Optionally, described housing offers the hole mated with described tuning device outer case, so that described Tuning device is inserted in described housing by described hole.

Optionally, the inner chamber of described tuning device is cell structure.

Optionally, the number of described tuning device is even numbers, and described tuning device positional symmetry each other ground Arrange on described housing.

Optionally, described sound source is speaker, tympanum or soundboard.

Optionally, described housing includes: shell body and inner housing；Described inner housing is arranged at described shell The inside of body, has gap between outer surface and the inner surface of described shell body of described inner housing；Described Offering the first relative hole of position and the second hole on inner housing, described sound source is fixed on described inner shell In described first hole of body, and described sound source just facing to the outside of described inner housing, described sound source The back side towards described second hole；Described shell body offers the institute relative with described first hole State sender, between described sender and described sound source, there is distance；The back side of described sound source is interior with described Described gap between the inner surface of housing, and described inner housing and described shell body forms described sound wave Propagation ducts；At least one described tuning device it is provided with, described tuning device interior on described shell body Chamber connects with described gap, so that the sound wave dorsad sent from the back side of described sound source is at described tuning device Inner chamber, propagate in described sonic propagation passage and with the forward sound wave of described sound source together from described go out sound Hole passes.

Optionally, it is provided with at least one piece of guide plate in described housing；Each guide plate is arranged at described housing In and with on the inner surface of the described housing of described sound source homonymy, and one end of described guide plate is with described Housing connects, and the other end of described guide plate is free end, so that the sound wave dorsad of described sound source walks around institute The free end stating guide plate is passed by described sender.

Sound-producing device of the present utility model, by offering at least one sender, and at shell on housing Sound source is set on body, make sound source just facing to the outside of housing, the back side of sound source towards the inside of housing, Sonic propagation passage is formed with the region surrounded with the inner surface of housing at the back side of sound source；On this housing also It is provided with at least one dismountable tuning device, the inner chamber of tuning device and sonic propagation channel connection, So that the sound wave dorsad sent from the back side of sound source is propagated in the inner chamber, sonic propagation passage of tuning device And pass from sender.This sound-producing device simple in construction, it has can dismantle to carry out tonequality adjustment Tuning device, it is achieved that filtration and the adjustment to sound wave quality, be effectively improved the acoustics of sound-producing device Energy, sounding energy and phonation efficiency.Meanwhile, carried by the sound wave dorsad that the sender on housing is sound source Supply straightway propagation ducts, effectively the sound wave dorsad of sound source has been drawn so that it is with the forward of sound source Sound wave improves the acoustical behavior of sound-producing device after converging, have great practical value.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model sound-producing device shown in an exemplary embodiment；

Fig. 2 is the structural representation of this utility model sound-producing device shown in another exemplary embodiment；

Fig. 3 is the structural representation of this utility model sound-producing device shown in another exemplary embodiment；

Fig. 4 is the structural representation of this utility model sound-producing device shown in another exemplary embodiment.

Description of reference numerals:

Housing 1, the inner surface 10 of housing, shell body 11, the inner surface 111 of shell body, inner housing 12, outer surface the 121, first hole 122, second hole 123 of inner housing, the inner surface of inner housing 124；Sound source 2, the front 21 of sound source, the back side 22 of sound source；Tuning device 3, tuning device Inner chamber 31, tuning parts 32；Sender 4；Gap 5；Distance 6；Guide plate 7, free end 71.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with This utility model embodiment, clearly and completely retouches the technical scheme in this utility model embodiment State.It should be noted that in accompanying drawing or description, similar or identical element all uses identical attached Figure labelling.

Fig. 1 is the structural representation of this utility model sound-producing device shown in an exemplary embodiment.Such as figure Shown in 1, this utility model provides a kind of sound-producing device, including: housing 1, sound source 2, tuning device 3； At least one sender 4 is offered on housing 1；Sound source 2 is arranged on housing 1；The front 21 of sound source Towards the outside of housing 1, the back side 22 of sound source is towards the inside of housing 1；The back side 22 of sound source and shell The inner surface 10 of body forms sonic propagation passage；At least one dismountable tuning it is additionally provided with on housing 1 Device 3, inner chamber 31 and the sonic propagation channel connection of tuning device, so that from 22, the back side of sound source The sound wave dorsad gone out is propagated in the inner chamber 31, sonic propagation passage of tuning device and wears from sender 4 Go out.

It should be noted that the sound-producing device in this utility model can apply to have this utility model In any sound-producing device of described structure, such as, sound-producing device integrated in independent audio amplifier, terminal (audio amplifier or speaker), earphone or musical instrument.For different types of sound-producing device, the type of sound source Also different, if sound-producing device is audio amplifier, earphone etc., then sound source can be speaker, monomer horn etc.； If sound-producing device is musical instrument, sound source can be tympanum, soundboard etc..All with audio amplifier in following example Structure is illustrated.

Concrete, the diaphragm of loudspeaker when there is vibration respectively to forward with send sound wave, this pair dorsad Contrary to sound wave " phase place ".So-called " phase place " is arbitrary moment of diaphragm oscillations displacement on the contrary, above-mentioned double Just cancel each other out to the waveform of sound wave, thus cause vibrating diaphragm two-way acoustic wave aloft to occur " short-circuit " existing As.The sound of naked speaker is the most shrivelled, overcautious, narrow, here it is the concrete body of sound " short-circuit " Existing.And the birth of audio amplifier, its essence is intended to play the efficiency of speaker, and design principle is based on " unlimited Baffle " theoretical, i.e. and by isolated from one another with sound wave dorsad for diaphragm of loudspeaker forward, its theoretical model is At diaphragm of loudspeaker forward and place a piece of infinite baffle between sound wave dorsad, utilize forward sound wave, every Brokeback is to sound wave.But infinitely-great baffle there is no the possibility of practicality, then by infinite baffle to speaker Sound wave direction carries out convolution and forms a confined space dorsad, here it is the theoretical base of modern audio amplifier design Plinth.Modern audio amplifier is roughly divided into three classes, airtight box, bass reflex type, transmission wire type；Closed box Formula completely cuts off the propagation of speaker sound wave dorsad completely by confined space；Bass reflex type (is named again paraphase Formula) audio amplifier is to utilize speaker sound wave dorsad to form the wave of oscillation at the multipath reflection of cabinet wall, and By phase-reversing tube resonance effect with strengthen audio amplifier bass effect.But, raise if speaker is full range Sound device, its dorsad sound wave should also be the sound wave of full range, but this working method of phase inverted cabinet But inhibiting sound wave dorsad, and will be converted to resonance wave output by sound wave dorsad, it only highlights low frequency Sound wave；Transmission wire type is again labyrinth type audio amplifier, constantly reduce by arranging a bore in audio amplifier and Fill the tortuous passageway of sound-absorbing thing, constantly slacken the energy of speaker sound wave dorsad, thus obtain preferably LF-response.The most any visible audio amplifier designs, and is all based on diaphragm of loudspeaker acoustic energy dorsad Shielding or the sound wave dorsad of suppression speaker, therefore also exist the electroacoustic energy conversion poor efficiency of speaker Problem.The diaphragm of loudspeaker sends sound wave energy the most backward, and theoretical according to infinite baffle, Forward sound wave is effective energy, and sound wave is invalid harmful energy dorsad, and forward sound wave can utilize, Sound wave then must suppress dorsad.Inferring theoretically, the electro-acoustic conversion efficiency of speaker can not exceed 50%.For reality, the electro-acoustic conversion efficiency of rare audio amplifier can reach 30%.Electroacoustic conversion effect The directly performance that rate is low is that frequency response is inferior, and Hz-KHz is narrow.

But, the technology prejudice of this utility model abandoning tradition, is designed by speaker dorsad by structure Sound wave the most from cover to cover reverse forms " forward " sound wave, makes the sound wave dorsad can be from sender 4 Middle release, meanwhile, in order to obtain pure sound wave dorsad so that it is through tuning device 3, with to this Sound wave carries out tonequality adjustment dorsad, and final forward sound wave interaction with speaker script close two It is one, forms the finest full range sound granule, at sound-reducing degree, sound field validity and de- The audio amplifier design of comprehensive beyond tradition in the high-fidelity indexs such as case sense.

Concrete, sound-producing device as shown in Figure 1, its concrete structure is, sound source 2 is arranged on housing On 1, sound source 2 is as a example by speaker, and the vibrating diaphragm face of the i.e. speaker in front 21 of sound source, towards housing 1 Outside so that the forward sound wave of speaker is propagated in air, but according to foregoing unlimited barrier Plate theory, tradition audio amplifier inhibits the sound wave dorsad of speaker, but this utility model is offered on housing 1 Sender 4, with the release of sound wave dorsad by the speaker after reverse, the forward direction sound wave of speaker with dorsad Sound wave converges outside this sender 4, forward sound wave serves the effect of reinforcement, improves sound-producing device Acoustical behavior.Wherein, the propagation path of sound wave is the inner space of housing 1 dorsad, i.e. by sound source The sonic propagation passage that the inner surface 10 of the back side 22 and housing surrounds；In order to sound wave dorsad being carried out Filter and adjust tonequality, the propagation path of sound wave dorsad is set up tuning device 3, especially by adjusting Sound device 3 is combined with housing 1, so that the propagation path of sound wave is dorsad: send from the back side 22 of sound source And through the inner chamber 31 of tuning device, sonic propagation passage, finally passed by sender 4.Realize the back of the body Reverse as " forward " sound wave to sound wave, and strengthen the acoustics of sound-producing device after converging with real forward sound wave Performance, sounding energy and phonation efficiency.

The sound-producing device of the present embodiment, by offering at least one sender, and at shell on housing Sound source is set on body, make sound source just facing to the outside of housing, the back side of sound source is towards in housing Portion, forms sonic propagation passage with the region surrounded with the inner surface of housing at the back side of sound source；This shell Being additionally provided with at least one dismountable tuning device on body, the inner chamber of tuning device leads to sonic propagation Road connects, so that the sound wave dorsad sent from the back side of sound source is at the inner chamber of tuning device, sonic propagation Propagate in passage and pass from sender.This sound-producing device simple in construction, its have can dismantle with Carry out the tuning device of tonequality adjustment, it is achieved that filtration and the adjustment to sound wave quality, be effectively improved and send out The acoustical behavior of acoustic device, sounding energy and phonation efficiency.Meanwhile, by the sender on housing it is The sound wave dorsad of sound source provides straightway propagation ducts, is effectively drawn by the sound wave dorsad of sound source Go out so that it is improve the acoustical behavior of sound-producing device after converging with the forward sound wave of sound source, have the biggest Practical value.

Fig. 2 is the structural representation of this utility model sound-producing device shown in another exemplary embodiment.As Shown in Fig. 2, this utility model provides a kind of sound-producing device, on the basis of above-described embodiment,

Optionally, it is provided with removable tuning parts 32 in the inner chamber 31 of tuning device；Tuning parts 32 include following at least one: tuning natural cotton, tuning silk floss, adjustable sound paper.Tuning portion in the application Part is not limited to the materials such as above-mentioned tuning natural cotton, tuning silk floss, adjustable sound paper, it is also possible to include that other are adjusted Sound material.

Optionally, it is laid with tuning parts 32 in the inner chamber 31 of tuning device；Tuning parts 32 are by extremely The multiple structure that few one layer of tuning material is constituted, the surface configuration of tuning parts 32 is fluted.This groove Shape can be designed as different structure in conjunction with audio amplifier acoustic characteristic, and tuning parts 32 not only play sound-absorbing and make With, also act as the effect regulating sound wave dorsad, i.e. protected more accurately by the different proportion of sound-absorbing with reflection Hold the originally characteristic that sound wave dorsad sends from speaker.

Optionally, housing 1 is provided with, with on tuning device 3, the screw thread mated, so that tuning device 3 leads to Cross screw thread to screw with housing 1 and be connected.Tuning device 3 can be dismantled easily to adjust by being simply spirally connected Or change its interior tuning parts 32, it is thus achieved that different tonequality, audios.

Optionally, housing 1 offers the hole mated with tuning device 3 shell, so that tuning device 3 are inserted in housing 1 by hole.By simple pluggable mode, dismantle or install tuning device 3, To adjust or to change its interior tuning parts 32, it is thus achieved that different tonequality, audios.

Additionally, for ensureing not leak sound, housing 1 with the faying face of tuning device 3 can be provided with close Packing or seals and other component are to ensure the parts that tuning device 3 is combined closely with housing 1.

Optionally, the inner chamber 31 of tuning device is cell structure.So that dorsad sound wave to flow uniformly across this interior The tuning parts 32 of intracavity.

Optionally, the number of tuning device 3 is even numbers, and even numbers tuning device 3 positional symmetry each other Be arranged on housing 1.So that sound wave balancedly can be worn on the propagation path of 360 degree of cinctures dorsad Cross each tuning device 3, to ensure the balance of sound wave audio dorsad.

Optionally, the type according to sound-producing device is different, and sound source 2 can be speaker, tympanum or sound Plate.

Fig. 3 is the structural representation of this utility model sound-producing device shown in another exemplary embodiment.As Shown in Fig. 3, this utility model provides a kind of sound-producing device, on the basis of above-described embodiment, housing 1 Including: shell body 11 and inner housing 12；Inner housing 12 is arranged at the inside of shell body 11, inner housing Outer surface 121 and the inner surface 111 of shell body between there is gap 5；Position is offered on inner housing 12 Putting the first relative hole 122 and the second hole 123, sound source 2 is fixed on the first hole of inner housing 12 In 122, and the front 21 of sound source is towards the outside of inner housing 12, and the back side 22 of sound source is towards the second hole Hole 123；Shell body 11 offers the sender 4 relative with the first hole 122, sender 4 with Distance 6 is there is between sound source 2；The back side 22 of sound source and the inner surface 124 of inner housing, and inner housing Gap 5 between 12 and shell body 11 forms sonic propagation passage；It is provided with at least one on shell body 11 Individual tuning device 3, the inner chamber 31 of tuning device connects with gap 5, so that from 22, the back side of sound source The sound wave dorsad gone out propagate in the inner chamber 31, sonic propagation passage of tuning device and with the forward of sound source 2 Sound wave together passes from sender 4.

Concrete, the shape of the housing 1 of this inner and outer shell structure composition can be any, and inner housing 12 is with outer Housing 11 shape can be identical, it is also possible to different.For example, inner housing 12 is permissible with shell body 11 It is spheroid, or spheroid, or polyhedron, and the geometric center of inner housing 12 and shell body 11 Geometric center overlapping.Or, inner housing 12 and shell body 11 are polyhedron, such as inner and outer shell For cube structure；Or, inside and outside shell can also be cylinder, hexagonal prism, cube, triangular prism Body etc.；Or, inner housing 12 can also be combined by variform solid with shell body 11, Such as, inner housing 12 is cylinder, and shell body 11 is the structures such as tri-prismoid.This utility model is internal The shape of shell body is not restricted.

Fig. 4 is the structural representation of this utility model sound-producing device shown in another exemplary embodiment.As Shown in Fig. 4, this utility model provides a kind of sound-producing device, on the basis of above-described embodiment, housing 1 Inside it is provided with at least one piece of guide plate 7；In each guide plate 7 is arranged at housing 1 and with sound source 2 homonymy Housing inner surface 10 on, and one end of guide plate 7 is connected with housing 1, the other end of guide plate 7 For free end 71, so that the sound wave dorsad of sound source 2 walks around the free end 71 of guide plate 7 by sender 4 In pass.

Concrete, in the housing 1 accommodating sound source 2, guide plate 7, and one end of guide plate 7 are set Be arranged on housing 1 be positioned at on the inner surface 10 of the housing of sound source 2 side, guide plate 7 another One end is free end 71, so that the sound wave dorsad that speaker sends can walk around oneself of guide plate 7 By end 71, and being passed by the sender 4 on housing 1, it is pre-that sender 4 is positioned at around speaker If in scope, the mating reaction of guide plate 7 and sender 4 makes the sound wave dorsad of speaker at housing 1 In take a turn for the worse along the space that guide plate 7 is split, so that the propagation path of sound wave is dorsad: from The back side 22 of sound source sends, and the sonic propagation passage split through guide plate 7, enters tuning The inner chamber 31 of device, finally passed by sender 4.

It is last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, It is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, It will be understood by those within the art that: it still can be to the skill described in foregoing embodiments Art scheme is modified, or the most some or all of technical characteristic is carried out equivalent；And this A little amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment skill The scope of art scheme.

Claims

1. a sound-producing device, it is characterised in that including: housing, sound source, tuning device；Described shell At least one sender is offered on body；Described sound source is arranged on the housing；The front of described sound source Towards the outside of described housing, the back side of described sound source is towards the inside of described housing；The back of the body of described sound source Face forms sonic propagation passage with the inner surface of described housing；Being additionally provided with at least one on described housing can The tuning device of dismounting, the inner chamber of described tuning device and described sonic propagation channel connection, so that from institute State sound wave dorsad that the back side of sound source sends in the inner chamber, described sonic propagation passage of described tuning device Propagate and pass from described sender.

Sound-producing device the most according to claim 1, it is characterised in that the inner chamber of described tuning device Inside it is provided with removable tuning parts；Described tuning parts include following at least one: tuning natural cotton, Tuning silk floss, adjustable sound paper.

Sound-producing device the most according to claim 1, it is characterised in that the inner chamber of described tuning device Inside it is laid with tuning parts；Described tuning parts are the multiple structure being made up of at least one of which tuning material, The surface configuration of described tuning parts is fluted.

Sound-producing device the most according to claim 1, it is characterised in that described housing and described tuning The screw thread of coupling it is provided with, so that described tuning device is screwed with described housing by described screw thread on device Connect.

Sound-producing device the most according to claim 1, it is characterised in that offer on described housing with The hole of described tuning device outer case coupling, so that described tuning device is inserted into described by described hole In housing.

6. according to the sound-producing device described in any one of Claims 1 to 5, it is characterised in that described variator The inner chamber of part is cell structure.

7. according to the sound-producing device described in any one of Claims 1 to 5, it is characterised in that described variator The number of part is even numbers, and described tuning device positional symmetry each other arrange on described housing.

8. according to the sound-producing device described in any one of Claims 1 to 5, it is characterised in that described sound source is Speaker, tympanum or soundboard.

9. according to the sound-producing device described in any one of Claims 1 to 5, it is characterised in that described housing bag Include: shell body and inner housing；Described inner housing is arranged at the inside of described shell body, described inner housing Between the inner surface of outer surface and described shell body, there is gap；Position is offered relative on described inner housing The first hole and the second hole, described sound source is fixed in described first hole of described inner housing, and Described sound source just facing to the outside of described inner housing, the back side of described sound source is towards described second hole； Described shell body offers the described sender relative with described first hole, described sender and institute State and between sound source, there is distance；The back side of described sound source and the inner surface of described inner housing, and described interior Described gap between housing and described shell body forms described sonic propagation passage；Set on described shell body Being equipped with at least one described tuning device, the inner chamber of described tuning device connects with described gap, so that from The sound wave dorsad that the back side of described sound source sends is at the inner chamber of described tuning device, described sonic propagation passage Interior propagation the forward sound wave with described sound source together pass from described sender.

10. according to the sound-producing device described in any one of Claims 1 to 5, it is characterised in that described housing Inside it is provided with at least one piece of guide plate；Each guide plate be arranged in described housing and with described sound source homonymy Described housing inner surface on, and one end of described guide plate is connected with described housing, described guide plate The other end be free end so that the sound wave dorsad of described sound source walks around the free end of described guide plate by institute State in sender and pass.