CN208987134U - Dynamic swage group and earphone - Google Patents

Abstract

The utility model relates to a kind of dynamic swage groups, comprising: the first moving iron unit is equipped with the first sound outlet hole；At least one second moving iron unit, it misplaces and fixes with the first moving iron unit, equipped with the second sound outlet hole, it is additionally provided with the first extension being tightly connected with the second sound outlet hole, so that the sound that the second moving iron unit issues is spread out of by the first extension, the first moving iron unit and the second moving iron unit are electrically connected with filter.It includes multiple moving iron units that swage group is moved in above-mentioned technical proposal, wherein the second moving iron unit and the dislocation of the first moving iron unit are fixed, second moving iron unit is equipped with the first extension being tightly connected with the second sound outlet hole, the sound that the second moving iron unit can be issued is spread out of, when so that dynamic swage group being installed in the speaker units such as earphone, the part of the first moving iron unit and the dislocation of the second moving iron unit is accommodated in the sound guide tube of earphone, volume of the dynamic swage group in sound guide tube is reduced, the ear canal sense of discomfort of the excessive generation of leading note pipe volume is reduced.

Description

Dynamic swage group and earphone

Technical field

The utility model relates to speaker technology fields, more particularly to a kind of dynamic swage group and earphone.

Background technique

Earphone receives the electric signal that media player or receiver are issued, and is converted using the loudspeaker close to ear It is common stereo set in people's life and work for the sound that can be heard.Traditional dynamic iron earphone, including dynamic swage Group, usually dynamic swage group is interior to be equipped with multiple moving iron units such as intermediate frequency, high frequency and hyperfrequency, and to provide, frequency range is abundant, has solid The sound effect of sense.

However, multiple moving iron units are combined with each other installation, so that dynamic swage group is larger in the intracorporal volume of ear casing, in turn Keep earphone case volume larger, causes earphone to protrude into sense of discomfort in ear canal stronger.

Utility model content

Based on this, it is necessary to be combined with each other installation for multiple moving iron units so that dynamic swage group is in the intracorporal body of ear casing The larger problem of product provides a kind of dynamic swage group and earphone.

A kind of dynamic swage group, comprising: the first moving iron unit is equipped with the first sound outlet hole；At least one second moving iron unit, with The first moving iron unit dislocation is fixed, and is equipped with the second sound outlet hole, is additionally provided with first be tightly connected with second sound outlet hole Extension, so that the sound that second moving iron unit issues is spread out of by first extension；First moving iron unit Filter is electrically connected with second moving iron unit.

Above-mentioned technical proposal at least has following technical effect that dynamic swage group includes multiple moving iron units, wherein second is dynamic Iron unit and the dislocation of the first moving iron unit are fixed, and the second moving iron unit is equipped with first be tightly connected with the second sound outlet hole and extends Pipe, the sound that can issue the second moving iron unit are spread out of, when so that dynamic swage group being installed in the speaker units such as earphone, The part that the first moving iron unit and the dislocation of the second moving iron unit are accommodated in the sound guide tube of earphone, reduces dynamic swage group and is leading Volume in sound tube reduces the ear canal sense of discomfort of the excessive generation of leading note pipe volume.

Technical solution is described further below.

First extension is stretched out from the vibrating diaphragm ante-chamber of second moving iron unit in one of the embodiments, in The end of first extension is formed with second sound outlet hole.

The end of first extension and first moving iron unit are equipped with described the in one of the embodiments, The end face of one sound outlet hole is concordant, so that first sound outlet hole is concordant with second sound outlet hole.

Second sound outlet hole is set to the surface of shell of second moving iron unit in one of the embodiments, described First extension is connect with second sound outlet hole, is extended from second sound outlet hole.

First extension is extended to from second sound outlet hole in one of the embodiments, goes out sound with described first The concordant position in hole.

The table that first moving iron unit and the second moving iron unit mutual dislocation are fixed in one of the embodiments, It is independent or coplanar can be integrated between face.

It in one of the embodiments, further include that at least one third fixed with first moving iron unit dislocation moves iron Unit is equipped with third sound outlet hole, is additionally provided with the second extension being tightly connected with the third sound outlet hole, and the third moves iron list First and described second moving iron unit is symmetrical arranged about first moving iron unit, and the third moving iron unit is also electrically connected with filter Wave device.

The frequency band of first moving iron unit is higher than the frequency band of second moving iron unit in one of the embodiments, The frequency band of the also higher than described third moving iron unit.

The utility model also provides a kind of earphone.

A kind of earphone, including shell, and described in any item dynamic swage groups as above in the shell；It is described outer Shell further includes sound guide tube, and the part of first moving iron unit and second moving iron unit dislocation is set to the sound guide tube It is interior.

Above-mentioned technical proposal at least has following technical effect that earphone includes above-mentioned dynamic swage group, wherein the second dynamic iron list Member is fixed with the dislocation of the first moving iron unit, and the second moving iron unit is equipped with the first extension being tightly connected with the second sound outlet hole, energy The enough sound for issuing the second moving iron unit is spread out of, when so that dynamic swage group being installed in the speaker units such as earphone, in earphone Sound guide tube in accommodate the first moving iron unit and the second moving iron unit dislocation part, reduce dynamic swage group in sound guide tube In volume, reduce the excessive generation of leading note pipe volume ear canal sense of discomfort.

The end of the sound guide tube is equipped with sound mouth, first sound outlet hole, described first in one of the embodiments, Extension is directed at the sound mouth out jointly.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that an embodiment of the present invention moves swage group；

Fig. 2 is the structural schematic diagram that another embodiment of the utility model moves swage group；

Fig. 3 is the structural schematic diagram that the utility model another embodiment moves swage group.

Wherein: 100, moving swage group 110, the first moving iron unit 112, the first sound outlet hole

120, the second moving iron unit 122, the second sound outlet hole 124, the first extension

130, third moving iron unit 132, third sound outlet hole 134, the second extension

Specific embodiment

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific embodiment opened.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.

Applicants have found that: multiple moving iron units in traditional dynamic swage group substantially in prismatic (simple example, Cuboid is most simple common prism), and shape is similar, is typically designed to the both ends of each moving iron unit being mutually aligned stacking It is fixedly mounted, the sound outlet hole end face of each moving iron unit is concordant, and volume is larger after causing multiple moving iron units to combine, and moves swage group Go out sound structural volume it is larger so that comprising go out sound structure part move swage group it is larger in the intracorporal volume of ear casing, in turn Keep earphone case volume larger, so that earphone, which protrudes into, generates sense of discomfort in ear canal.Specifically, dynamic swage is mounted on earphone case In sound guide tube.

For this purpose, please referring to Fig. 1 to Fig. 2, an embodiment of the present invention provides a kind of dynamic swage group 100, comprising: first Moving iron unit 110 is equipped with the first sound outlet hole 112；At least one second moving iron unit 120, it is solid with the dislocation of the first moving iron unit 110 It is fixed, it is equipped with the second sound outlet hole 122, is additionally provided with the first extension 124 being tightly connected with the second sound outlet hole 122, so that second is dynamic The sound that iron unit 120 issues is spread out of by the first extension 124.First moving iron unit 110 and the second moving iron unit 120 electricity It is connected with filter.Filter can be patch filter capacitor, be able to solve between each moving iron unit due to frequency band not in unison The problem of sound interferes with each other.

It should be noted that the dynamic swage group 100 in the present embodiment may include multiple moving iron units, wherein allow to deposit In the identical moving iron unit of several structures, also allow that there are the different moving iron units of several structures.For convenience of explanation, Moving iron unit is numbered in the present embodiment.

Specifically, the first moving iron unit 110, including first shell, and it is set to the intracorporal vibrating diaphragm group of the first shell Part, vibrating diaphragm component will be divided into vibrating diaphragm ante-chamber and vibrating diaphragm back cavity inside first shell, before the first sound outlet hole 112 is specifically set to vibrating diaphragm Vibrating diaphragm ante-chamber is connected to by first shell locating for chamber, the first sound outlet hole 112 with the external world, and driving assembly is equipped in vibrating diaphragm back cavity.The Substantially in a rectangular parallelepiped shape, according to geometric knowledge it is found that cuboid tool is there are six face, the first sound outlet hole 112 is set to the to one shell Any surface of one shell, and the first sound outlet hole 112 stretches out first shell a distance, is substantially in hollow cylindrical.

The internal structure of second moving iron unit 120 is identical as the first moving iron unit 110, and details are not described herein.Second goes out sound The topology layout of hole 122 and the first extension 124 in the second moving iron unit 120 is optionally that the first extension 124 can be Transfer canal between second sound outlet hole 122 and the vibrating diaphragm ante-chamber of the second moving iron unit 120, being also possible to will be from the second sound outlet hole The transfer canal of the 122 sound transmission issued.First extension 124 is not that traditional sense upper section is circular pipeline, can To be other cross sectional shapes such as rectangle, ellipse etc., cross sectional shape is not restricted by, and determines section shape according to specific connection relationship Shape, and the first extension 124 can be straight, and be also possible to bending.In addition, the material of the first extension 124 is not limited System, can be harder metal material etc., is also possible to relatively soft plastic material, rubber material etc..First extension, 124 He Second sound outlet hole 122 is tightly connected, and reduces the loss of sound.First moving iron unit 110 and the second moving iron unit 120 pass through face face Dislocation contact is fixed, and be can be and is bonded or welded, can also be that adhesive tape (adhesive tapes of courier packages) will entirely move swage group 100 are fastened.

So set, multiple moving iron units in dynamic swage group 100 are no longer mutually aligned, it is also no longer each sound outlet hole Also it is mutually aligned, the first moving iron unit 110 and the dislocation of the second moving iron unit 120 are fixed, and are also protected using the first extension 124 The sounding of the second moving iron unit 120 is demonstrate,proved, so that only moving first when dynamic swage group 100 is installed on the sound guide tube of earphone What iron unit 110 and the second moving iron unit 120 misplaced is partially accommodated in sound guide tube, reduces dynamic swage group 100 in leading note Volume in pipe reduces the excessive caused ear canal sense of discomfort of leading note pipe volume to reduce the volume of sound guide tube.With reference to Fig. 1, One moving iron unit 110 and the second moving iron unit 120 dislocation part refer to since the first sound outlet hole 112 to the second moving iron unit Part between 120 right side also includes the first extension 124 and the second sound outlet hole 122.Certainly, consider for miniaturization, It can also be the part including at least the first sound outlet hole 112.

Above-mentioned technical proposal at least has following technical effect that dynamic swage group 100 includes multiple moving iron units, wherein second Moving iron unit 120 and the dislocation of the first moving iron unit 110 are fixed, and the second moving iron unit 120, which is equipped with to seal with the second sound outlet hole 122, to be connected The first extension 124 connect can spread out of the sound that the second moving iron unit 120 issues, so that dynamic swage group 100 is installed on ear When in the speaker units such as machine, accommodated in the sound guide tube of earphone the first moving iron unit 110 and the second moving iron unit 120 dislocation Part reduces volume of the dynamic swage group 100 in sound guide tube, and the ear canal for reducing the excessive generation of leading note pipe volume is uncomfortable Sense.

Technical solution is described further below.

In some embodiments, the first extension 124 is stretched out from the vibrating diaphragm ante-chamber of the second moving iron unit 120, is prolonged in first The end for stretching pipe 124 is formed with the second sound outlet hole 122.With reference to Fig. 1, vibrating diaphragm of first extension 124 from the second moving iron unit 120 Ante-chamber stretches out, and forms the second sound outlet hole 122,124 small volume of the first extension, when first in the end of the first extension 124 When extension 124 is set in sound guide tube, volume accounts for smaller.In order to guarantee the intensity of the first extension 124, do not bend, First extension 124 can select harder material, such as metal.

Further, the end equipped with the first sound outlet hole 112 of the end of the first extension 124 and the first moving iron unit 110 Face is concordant, so that the first sound outlet hole 112 and the second sound outlet hole 122 are concordant.Namely the first sound outlet hole 112 and the second sound outlet hole End face where 122 is concordant, guarantees that the first sound outlet hole 112 and the second sound outlet hole 122 are directed at out sound mouth jointly.

In some embodiments, the second sound outlet hole 122 is set to the surface of shell of the second moving iron unit 120, the first extension 124 connect with the second sound outlet hole 122, extend from the second sound outlet hole 122.Specifically, guaranteeing the transaudient effect of the second moving iron unit 120 On the basis of fruit, the terminal position that the first extension 124 extends determines as the case may be, below to some of which embodiment It is illustrated.

In wherein some embodiments, the second sound outlet hole 122 is set to the surface of shell of the second moving iron unit 120, and first prolongs It stretches pipe 124 and extends to the position concordant with the first sound outlet hole 112 from the second sound outlet hole 122.Specifically, the second sound outlet hole 122 It is identical on the surface of shell locating for the vibrating diaphragm ante-chamber of the second moving iron unit 120, with the structural nature of the first sound outlet hole 112 , the direction of the second sound outlet hole 122 can be identical as the first sound outlet hole 112, can also be different from the first sound outlet hole 112.With reference to First extension 124 is set as concordant with the first sound outlet hole 112 by Fig. 2.First is connected in the end part seal of the second sound outlet hole 122 Extension 124, the first extension 124 may extend to the position concordant with the first sound outlet hole 112, guarantee 112 He of the first sound outlet hole Second sound outlet hole 122 is directed at out sound mouth jointly.At this point, the first extension 124 can be the relatively soft conduit of material, can be transmitted At sound to sound mouth out.

In some other embodiment, the second sound outlet hole 122 is set to the surface of shell of the second moving iron unit 120, and first prolongs The end that pipe 124 extends to the sound guide tube of earphone from the second sound outlet hole 122 is stretched, i.e. sound mouth out.Specifically, the second sound outlet hole 122 It is identical on surface of shell locating for vibrating diaphragm ante-chamber positioned at the second moving iron unit 120, with the structural nature of the first sound outlet hole 112 , the direction of the second sound outlet hole 122 can be identical as the first sound outlet hole 112, can also be different from the first sound outlet hole 112.This reality It applies in example, the first extension 124 is sealedly attached to the second sound outlet hole 122, extends directly to out sound mouth, seals and connects with sound mouth out It connects, guarantees the transmission of sound.

In some embodiments, between the surface that the first moving iron unit 110 and 120 mutual dislocation of the second moving iron unit are fixed It is independent or coplanar can be integrated.Mutual dislocation between namely the first moving iron unit 110 and the second moving iron unit 120 Surface between can using bonding, welding etc. mechanical systems fix, can also be and share the same contact surface, the contact surface was both The inner cavity of the first moving iron unit 110 can be closed, the inner cavity of the second moving iron unit 120 can be also closed.

With reference to Fig. 3, in some embodiments, moving swage group 100 further includes that at least one misplaces with the first moving iron unit 110 Fixed third moving iron unit 130 is equipped with third sound outlet hole 132, is additionally provided with second be tightly connected with third sound outlet hole 132 and prolongs It stretches pipe 134, third moving iron unit 130 and the second moving iron unit 120 to be symmetrical arranged about the first moving iron unit 110, third moves iron Unit 130 is also electrically connected with filter.Consider for integrally-built compactedness, third moving iron unit 130 is moved with second Iron unit 120 is set as symmetrical.The internal structure of third moving iron unit 130 is identical as the first moving iron unit 110, no longer superfluous herein It states.Contact relation and the second moving iron unit 120 and the first dynamic iron between third moving iron unit 130 and the first moving iron unit 110 Contact relation between unit 110 is identical, and details are not described herein.

It, can also be with it should be noted that the second moving iron unit 120 can be identical structure with third moving iron unit 130 Be different structure, each other main difference is that different from the first moving iron unit 110 fixed position that misplaces.

Further, the frequency band of the first moving iron unit 110 is higher than the frequency band of the second moving iron unit 120, and also higher than third is dynamic The frequency band of iron unit 130.After first moving iron unit 110 installs sound guide tube, near, alignment human ear eardrum middle position, Since frequency is higher, wavelength is shorter, then the diffraction of sound, scattering power are weaker, so by the frequency band of the first moving iron unit 110 It is disposed above the frequency band of the second moving iron unit 120 and third moving iron unit 130.The lower position being put in relatively rearward of frequency band It sets, is conducive to extend resonant frequency toward low frequency.For example, the first moving iron unit 110 is set as hyperfrequency, the second moving iron unit 120 are set as high frequency, third moving iron unit 130 is set as intermediate frequency or the combination of other frequency bands, so that frequency range is more abundant, mention The high stereovision and three-dimensional sense of earphone, guarantees the overall effect of sound.

An embodiment of the present invention additionally provides a kind of earphone, including shell, and as above any in shell Dynamic swage group 100 described in；Shell further includes sound guide tube, the portion of the first moving iron unit 110 and the dislocation of the second moving iron unit 120 Set up separately and is placed in sound guide tube.With reference to Fig. 1, the part of the first moving iron unit 110 and the dislocation of the second moving iron unit 120 refers to from first Sound outlet hole 112 starts to the part between the right side of the second moving iron unit 120, also includes that the first extension 124 and second goes out Sound hole 122.Certainly, consider for miniaturization, can also be the part including at least the first sound outlet hole 112.In the present embodiment, ear Machine can also include the moving-coil unit in shell, and moving-coil unit distortion is small, and production is simple, moving-coil unit and dynamic swage group After 100 combinations, circle iron earphone is formed.

Certainly, moving swage group 100 can also include third moving iron unit 130, with reference to Fig. 3, the first moving iron unit 110 at this time The part to misplace jointly with the second moving iron unit 120, third moving iron unit 130 is also disposed in sound guide tube.Namely first is dynamic Iron unit 110 and the second moving iron unit 120, the nonoverlapping part of third moving iron unit 130, i.e., since the first sound outlet hole 112 To the second moving iron unit 120, third moving iron unit 130 right side between part.

In some embodiments, snorkel is additionally provided in shell, snorkel is connect with sound guide tube, and the second sound outlet hole 122 is set In the surface of shell of the second moving iron unit 120, the first extension 124 extends to snorkel from the second sound outlet hole 122.The present embodiment In, 124 extended distance of the first extension is shorter, and the sound transmission effect of the second moving iron unit 120 equally also may be implemented.

In some embodiments, the end of sound guide tube is equipped with sound mouth, and the first sound outlet hole 112, the first extension 124 are common It is directed at out sound mouth.Sound guide tube is located at earplug front, near human ear, therefore the overall effect in order to guarantee sound, first is gone out Sound hole 112, the first extension 124 are directed at out sound mouth, reduce the loss of sound, guarantee stereophonic effect abundant.

Above-mentioned technical proposal at least has following technical effect that earphone includes above-mentioned dynamic swage group 100, wherein the second dynamic iron Unit 120 and the dislocation of the first moving iron unit 110 are fixed, and the second moving iron unit 120 is equipped with and is tightly connected with the second sound outlet hole 122 First extension 124 can spread out of the sound that the second moving iron unit 120 issues, so that dynamic swage group 100 is installed on earphone etc. When in speaker unit, the part of the first moving iron unit 110 and the dislocation of the second moving iron unit 120 is accommodated in the sound guide tube of earphone , volume of the dynamic swage group 100 in sound guide tube is reduced, the ear canal sense of discomfort of the excessive generation of leading note pipe volume is reduced.

Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.

Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of dynamic swage group characterized by comprising

First moving iron unit is equipped with the first sound outlet hole；

At least one second moving iron unit misplaces with first moving iron unit and fixes, and is equipped with the second sound outlet hole, is additionally provided with and institute The first extension of the second sound outlet hole sealed connection is stated, so that the sound that second moving iron unit issues prolongs by described first Stretch pipe outflow；

First moving iron unit and second moving iron unit are electrically connected with filter.

2. dynamic swage group according to claim 1, which is characterized in that first extension is from second moving iron unit Vibrating diaphragm ante-chamber stretch out, the end of the first extension of Yu Suoshu is formed with second sound outlet hole.

3. dynamic swage group according to claim 2, which is characterized in that the end of first extension is dynamic with described first The end face equipped with first sound outlet hole of iron unit is concordant, so that first sound outlet hole is concordant with second sound outlet hole.

4. dynamic swage group according to claim 1, which is characterized in that second sound outlet hole is set to the described second dynamic iron list The surface of shell of member, first extension are connect with second sound outlet hole, are extended from second sound outlet hole.

5. dynamic swage group according to claim 4, which is characterized in that first extension prolongs from second sound outlet hole Extend to the position concordant with first sound outlet hole.

6. dynamic swage group according to claim 1, which is characterized in that first moving iron unit and the described second dynamic iron list It is independent or coplanar can be integrated between the fixed surface of first mutual dislocation.

7. dynamic swage group according to claim 1, which is characterized in that further include at least one and first moving iron unit Misplace fixed third moving iron unit, is equipped with third sound outlet hole, is additionally provided with second be tightly connected with the third sound outlet hole and prolongs It stretches pipe, the third moving iron unit and second moving iron unit to be symmetrical arranged about first moving iron unit, the third Moving iron unit is also electrically connected with filter.

8. dynamic swage group according to claim 7, which is characterized in that the frequency band of first moving iron unit is higher than described the The frequency band of two moving iron units, the frequency band of the also higher than described third moving iron unit.

9. a kind of earphone, which is characterized in that including shell, and in the shell such as any one of claim 1 to 8 institute The dynamic swage group stated；The shell further includes sound guide tube, the portion of first moving iron unit and second moving iron unit dislocation Set up separately and is placed in the sound guide tube.

10. earphone according to claim 9, which is characterized in that the end of the sound guide tube be equipped with sound mouth, described first Sound outlet hole, first extension are directed at the sound mouth out jointly.