CN205726279U - A kind of headphone - Google Patents
A kind of headphone Download PDFInfo
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- CN205726279U CN205726279U CN201620382870.4U CN201620382870U CN205726279U CN 205726279 U CN205726279 U CN 205726279U CN 201620382870 U CN201620382870 U CN 201620382870U CN 205726279 U CN205726279 U CN 205726279U
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- passage
- filling member
- headphone
- dividing plate
- damping filling
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Abstract
This utility model provides a kind of headphone, relates to earphone field.This headphone includes that at least one is provided with the auricular concha of dividing plate, loudspeaker assembly is installed on dividing plate, the auricular concha at place is separated into ante-chamber and back cavity by loudspeaker assembly and dividing plate jointly, dividing plate at least has an acoustic short circuit passage group, each acoustic short circuit passage group includes: first passage, connection ante-chamber and back cavity；Second channel, connection first passage is with extraneous.This headphone regulates while achieving the air flowing between ante-chamber, back cavity, the external world, it is possible to change the low frequency acoustical quality of earphone for greater flexibility.
Description
Technical field
This utility model relates to earphone field, particularly relates to a kind of headphone.
Background technology
In the prior art, as it is shown in figure 1, closed headphone typically has two auricular conchas, Mei Geer
There is in shell connection ante-chamber and the acoustic short circuit hole 10 of back cavity, and open the connection back cavity on the back cover of auricular concha and outer
The sound penetrating hole 20 on boundary.Change acoustic short circuit hole 10, the perforate size of sound penetrating hole 20 and mount thickness not thereon
Same adjustable sound paper, so that air mobility status changes in earphone case, thus regulates earphone frequency response,
Change the low frequency acoustical quality of earphone.
This structure can only regulate earphone by the air-flow between regulation ante-chamber and back cavity, back cavity and the external world
Low frequency acoustical quality, therefore before earphone dispatches from the factory, the means that the tonequality of headphone is regulated by technical staff have
Limit；And after earphone dispatches from the factory, the tonequality of earphone cannot be carried out certainly by user according to the preference of oneself and demand
By spending higher regulation.
Utility model content
A purpose of the present utility model is to provide for one can be to ante-chamber, back cavity, extraneous triangular sky
Flow of air regulates simultaneously, thus can carry out the headphone of tuning before dispatching from the factory for greater flexibility.
This utility model one further objective is that will be after headphone dispatches from the factory so that user is the most permissible
Preference and demand according to oneself carry out tonequality regulation.
In order to realize said one or multiple purpose, this utility model provides a kind of headphone, including one
The individual auricular concha being provided with dividing plate, described dividing plate is provided with loudspeaker assembly, and described loudspeaker assembly is with described
The inner space of the described auricular concha at place is separated into ante-chamber and back cavity by dividing plate jointly, and described dividing plate at least has
One acoustic short circuit passage group, each described acoustic short circuit passage group includes: first passage, connect described ante-chamber with
Described back cavity；Second channel, connects described first passage with extraneous.
Alternatively, described acoustic short circuit passage group also includes damping filling member, is filled in described first passage and institute
State second channel.
Alternatively, described damping filling member includes that the first damping filling member, described first damping filling member can divide
Liftoff it is filled in described second channel.
Alternatively, the middle section of described first passage divides described first passage equally is leading portion passage and back segment passage；
Described damping filling member also includes: the second damping filling member, is filled in described leading portion passage；3rd damping is filled out
Fill part, be filled in described back segment passage.
Alternatively, described first damping filling member, the second damping filling member, the damping of the 3rd damping filling member
Coefficient is different.
Alternatively, described first passage is cylindrical hole or square hole, and described second channel is cylindrical hole or square hole.
Alternatively, the axis of described first passage is vertical with the axis of described second channel, described first passage
Axis parallel with the axis of described dividing plate；Described dividing plate is divided equally by the middle section of described first passage, described
Second channel is divided equally by the middle section of described first passage.
Alternatively, described loudspeaker assembly includes speaker and support；Described speaker is fixed on described support
On, described support is fixed on described dividing plate.
Alternatively, also include that ear muff, described ear muff are fixed on described auricular concha, described ear muff, described auricular concha,
Described dividing plate and described loudspeaker assembly define described ante-chamber jointly.
This utility model at least has the following technical effect that
1, first passage connection ante-chamber and back cavity, second channel connection first passage and the external world, ante-chamber with after
The connectivity structure in chamber, back cavity and extraneous connectivity structure are in nearer position, this ante-chamber, back cavity, outer
The three-port structure on boundary achieves while flowing triangular air and regulates, thus regulates earphone frequency response, changes
Become the low frequency acoustical quality of earphone；
Therefore, it is merely capable of during technique scheme overcomes prior art ante-chamber and back cavity, back cavity with outer
The limitation that the air flowing on boundary is adjusted.On the one hand so that the low frequency energy in ante-chamber can be by the
Leaking out with second channel of one passage, reduces the muddy sense of low frequency；On the one hand, by front and back's operatic tunes
Between, front and back the operatic tunes and the external world regulate low frequency simultaneously, obtain preferable bass effect, technology people before dispatching from the factory
Member carry out tonequality regulation time the most convenient, degree of freedom is higher；
Additionally, technique scheme also creates unexpected technique effect:
A, the air-flow of ante-chamber is quickly guided the external world by first passage, second channel, reduce headphone
The deformation that the diaphragm of speaker produces because of pressure differential when just putting on, improves the use longevity of the diaphragm of speaker
Life；
B, the sound penetrating hole offered on the back cover of auricular concha relative to prior art, the length of second channel is long-range
In the thickness of this sound penetrating hole, according to the formula of resonant frequency, when obtaining the lowest resonant frequency, this reality
Can be less with volume with the back cavity of novel earphone, the auricular concha of earphone the most of the present utility model can be relative to
Prior art is made thinner.
2, being provided with damping filling member in first passage and second channel, so before dispatching from the factory, technical staff can
To change the damping filling member of different damping coefficient so that the adsorption effect of low frequency energy is sent out by damping filling member
Changing, have adjusted tonequality further；And damping filling member is set reduces the loss of low frequency so that first
Passage and second channel it is unnecessary to avoid the loss of low frequency and make the radial width of passage too small, the most not
The frequency response curve that low frequency peak valley can be caused sharply to cause is unsmooth.
3, the first damping filling member is filled in the second channel being in communication with the outside separably, therefore goes out at earphone
After factory, user can change the first damping filling member of different damping coefficient according to the preference of oneself and demand,
So that headphone of the present utility model has different acoustical qualities.
4, it is filled with the first damping filling member in second channel, is separately filled with the second damping in first passage and fills out
Filling part and the 3rd damping filling member, so before earphone dispatches from the factory, technical staff can be by changing damping respectively
Coefficient different first damping filling member, second damping filling member, the 3rd damping filling member so that wear ear
Facility have different tonequality, relative to prior art only change acoustic short circuit hole, the size of sound penetrating hole or
The different adjustable sound paper of attachment, the regulation degree of freedom of scheme of the present utility model is higher and the most convenient, technology people
Member can carry out more, effect more preferable tonequality debugging.
According to below in conjunction with the accompanying drawing detailed description to this utility model specific embodiment, those skilled in the art
Will become more apparent from of the present utility model above-mentioned and other purposes, advantage and feature.
Accompanying drawing explanation
Describe tools more of the present utility model the most by way of example, and not by way of limitation in detail
Body embodiment.Reference identical in accompanying drawing denotes same or similar parts or part.This area skill
Art personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the structural representation of the headphone of prior art；
Fig. 2 is the structural representation of the headphone according to one embodiment of this utility model；
Fig. 3 is the acoustic short circuit passage group of headphone shown in Fig. 2 distribution schematic diagram on dividing plate；
Fig. 4 is the structural representation of the acoustic short circuit passage group of headphone shown in Fig. 2；
Fig. 5 is that the structure of the acoustic short circuit passage group of the headphone according to another embodiment of this utility model is shown
It is intended to.
Detailed description of the invention
Fig. 2 is the structural representation of the headphone according to one embodiment of this utility model.Shown in Fig. 2
Embodiment in, it is shown that a kind of headphone, headphone includes two auricular conchas being provided with dividing plate 30
40 (can also be one in other embodiments of the present utility model), dividing plate 30 is provided with set of speakers
Part 50, the inner space of the auricular concha 40 at place is separated into ante-chamber by loudspeaker assembly 50 and dividing plate 30 jointly
71 and back cavity 72.Loudspeaker assembly 50 includes speaker 52 and support 51, and speaker 52 is fixed on support
On 51.Dividing plate 30 can be the annular slab that through hole is dug at center, and the inner side of annular slab is fixed with speaker 52
Support 51, speaker 52 has diaphragm 522, and auricular concha 40 is fixed in the outside of annular slab.In Fig. 2 institute
In the embodiment shown, the thickness of dividing plate 30 can be more than three times of the thickness of the dividing plate 30 of prior art,
But the thickness to dividing plate 30 does not constitutes concrete restriction, in other embodiments of the present utility model, dividing plate
30 can also have other thickness.
In an embodiment of present aspect, headphone can also include a beam, pacifies at the both ends of head beam
Equipped with two auricular conchas 40.Headphone can also include that ear muff 60, ear muff 60 are fixed on auricular concha 40, ear muff
60, auricular concha 40, dividing plate 30 and loudspeaker assembly 50 define ante-chamber 71 jointly.The back cover of auricular concha 40,
Dividing plate 30 and loudspeaker assembly 50 define back cavity 72 jointly.
As shown in Figure 2 and Figure 3, dividing plate 30 at least having an acoustic short circuit passage group 80 (is 4 in Fig. 3
Individual, in other embodiments of this utility model, can be other quantity).Each acoustic short circuit passage group 80
Including: first passage 81, second channel 82.First passage 81 connects ante-chamber 71 and back cavity 72, and second
Passage 82 connects first passage 81 and the external world so that second channel 82 be not connected with first passage 81 one
End air contact directly and outside headphone.This structure eliminates traditional ear being opened on earphone back casing
Machine sound penetrating hole 2, adds the function of ante-chamber 71 and extraneous intercommunication regulation so that ante-chamber 71, back cavity 72 are mutual
Communicate with the external world while Tong, flowed by flexible air, low frequency can be regulated for greater flexibility.
Additionally, back cavity 72 forms resonance with extraneous opening, thus strengthen low-frequency effect.Resonant frequency
F0=k/ (V*L) * 1/2, k are constant coefficient, and V is rear operatic tunes volume, and L is opening part correspondence phonoreception, and opening is more
Long L is the biggest, and in the prior art, L is the thickness of the sound penetrating hole on back cover, in enforcement of the present utility model
In example, L is the length of second channel 82, when therefore the volume V of the back cavity 72 of present aspect embodiment is less,
Still can obtain relatively low resonant frequency, say, that the auricular concha 40 of headphone of the present utility model can do
Obtain thinner.
In the embodiment shown in Fig. 2, Fig. 3, the axis of first passage 81 and the axis of second channel 82
Vertically, the axis of first passage 81 is parallel with the axis of dividing plate 30；Dividing plate 30 is by first passage 81
Cross section (midpoint crossing geometry height is parallel to the cross section of bottom surface) is divided equally, and second channel 82 is by first passage
81 middle sections are divided equally.Middle section herein is a mathematical concept, is a virtual face, is only used for
First passage 81 and the relative position relation of second channel 82, the entity structure being not newly added are described.
In an embodiment of the present utility model, first passage 81 can be cylindrical hole or square hole, and second leads to
Road 82 can be cylindrical hole or square hole.In other embodiments of the present utility model, first passage 81,
Two passages 82 can also be other shapes, such as the two can in dividing plate 30 bending extension, so
Also effect of the present utility model can be reached.
Fig. 4 is the structural representation of the acoustic short circuit passage group of headphone shown in Fig. 2.In the reality shown in Fig. 4
Executing in example, acoustic short circuit passage group 80 can include damping filling member, and damping filling member is filled in first passage
81 and second channel 82 in, the damping filling member in first passage 81 and second channel 82 can be one
, it is also possible to it is separated from each other.Damping filling member can be the elastomeric material with sound absorption qualities, such as
Sponge.Fig. 5 is the knot of the acoustic short circuit passage group 80 of the headphone according to another embodiment of this utility model
Structure schematic diagram.In the embodiment shown in fig. 5, the middle section of first passage 81 is divided first passage 81 equally and is
Leading portion passage and back segment passage.Damping filling member includes that the first damping filling member 821, second damps filling member
811, the 3rd damping filling member 812.First damping filling member 821 is filled in second channel 82, the second damping
Filling member 811 is filled in leading portion passage, and the 3rd damping filling member 812 is filled in back segment passage.By changing
First damping filling member 821, second damps filling member the 811, the 3rd damping filling member 812 and can control flexibly
The flowing of air and the adsorption to low frequency energy.
First damping filling member 821 is separable with second channel 82, so also allows for user after dispatching from the factory and changes.
Second damping filling member 811 is fixed on leading portion passage, and the 3rd damping filling member 812 is fixed on back segment passage,
Such as, the two can glued joint in leading portion passage, back segment passage by glue respectively, and the two is permissible before dispatching from the factory
Change.
First damping filling member 821, second damps the damping system of filling member the 811, the 3rd damping filling member 812
Number can be different, in other embodiments of the present utility model, it is also possible to only both identical or threes
The most identical, this is according to the requirement decision to tonequality.
Below in conjunction with Fig. 5 simple declaration dispatch from the factory before, dispatch from the factory after by change different damping coefficient damping fill
Part carries out the process of tonequality regulation.Assume that the second damping filling member 811, first damps filling member the 821, the 3rd
The damped coefficient of damping filling member 812 is respectively α 1, α 2, α 3.First damping filling member the 821, the 3rd
Damping filling member 812 connects back cavity 72 with extraneous, control low frequency amount number, before dispatching from the factory, lack low frequency
Time the damped coefficient α 2 of the two, α 3 are reduced, increase by second damping filling member 811 damped coefficient α
1.First damping filling member 821, second damps filling member 811 and can discharge front operatic tunes low frequency energy, prevents
Low-frequency sound is the most muddy, before dispatching from the factory, low frequency more muddy more time reduce the damped coefficient α 2 of the two, α 1.Cause
This, in the tuning process before dispatching from the factory, low frequency more more muddy time, α 1 ＜ α 3 ＜ α 2；When low frequency is less,
α 3 ＜ α 2 ＜ α 1.The structure of prior art is only capable of regulation connection ante-chamber 71 and the acoustic short circuit hole 1 of back cavity 72
The thickness of place's adjustable sound paper, therefore, the first damping filling member 821, second damps filling member the 811, the 3rd damping
The selection of the different damping material of filling member 812 3 part regulates (in other words, sound than the low frequency of prior art
Short circuit regulation) abundanter, it is easier to reach some careful requirements.After dispatching from the factory, owing to leading to second
Position that road 82 is in communication with the outside is arranged and the first damping filling member 821 in second channel 82 is separable,
Therefore user can select to change the damping material in the first damping filling member 821, hobby according to oneself hobby
The user that low frequency is many can select low resistance material, the user that hobby low frequency is few can select high damping material.
In other embodiments of the present utility model, it is also possible to be only that there is in an auricular concha 40 above-mentioned knot
Structure, remains the structure of prior art in another auricular concha 40, and it remains to realize technology of the present utility model
Effect.
So far, although those skilled in the art will appreciate that the most detailed to illustrate and describe this practicality new
Multiple exemplary embodiments of type, but, in the case of without departing from this utility model spirit and scope, still
Directly can determine according to this utility model disclosure or derive meet this utility model principle many its
His variations or modifications.Therefore, scope of the present utility model it is understood that and regard as covering all these its
His variations or modifications.
Claims (9)
1. a headphone, is provided with the auricular concha of dividing plate including at least one, described dividing plate is provided with and raises
Sound device assembly, the inner space of the described auricular concha at place is separated by described loudspeaker assembly and described dividing plate jointly
Become ante-chamber and back cavity, it is characterised in that
Described dividing plate at least has an acoustic short circuit passage group, and each described acoustic short circuit passage group includes:
First passage, connects described ante-chamber and described back cavity；
Second channel, connects described first passage with extraneous.
Headphone the most according to claim 1, it is characterised in that described acoustic short circuit passage group is also wrapped
Include:
Damping filling member, is filled in described first passage and described second channel.
Headphone the most according to claim 2, it is characterised in that
Described damping filling member includes that the first damping filling member, described first damping filling member are filled separably
In described second channel.
Headphone the most according to claim 3, it is characterised in that
It is leading portion passage and back segment passage that the middle section of described first passage divides described first passage equally；
Described damping filling member also includes:
Second damping filling member, is filled in described leading portion passage；
3rd damping filling member, is filled in described back segment passage.
Headphone the most according to claim 4, it is characterised in that
Described first damping filling member, the second damping filling member, the 3rd damping filling member damped coefficient mutually the most not
Identical.
6. according to the headphone described in any one of claim 1-5, it is characterised in that
Described first passage is cylindrical hole or square hole, and described second channel is cylindrical hole or square hole.
Headphone the most according to claim 6, it is characterised in that
The axis of described first passage is vertical with the axis of described second channel, the axis of described first passage with
The axis of described dividing plate is parallel；
Described dividing plate is divided equally by the middle section of described first passage, and described second channel is by described first passage
Middle section is divided equally.
Headphone the most according to claim 7, it is characterised in that
Described loudspeaker assembly includes speaker and support；
Described speaker is fixed on described support, and described support is fixed on described dividing plate.
Headphone the most according to claim 8, it is characterised in that
Also include that ear muff, described ear muff are fixed on described auricular concha, described ear muff, described auricular concha, described dividing plate
And described loudspeaker assembly defines described ante-chamber jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382870.4U CN205726279U (en) | 2016-04-28 | 2016-04-28 | A kind of headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382870.4U CN205726279U (en) | 2016-04-28 | 2016-04-28 | A kind of headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205726279U true CN205726279U (en) | 2016-11-23 |
Family
ID=57331591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620382870.4U Active CN205726279U (en) | 2016-04-28 | 2016-04-28 | A kind of headphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205726279U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872880A (en) * | 2016-04-28 | 2016-08-17 | 青岛歌尔声学科技有限公司 | Headset |
| CN107896354A (en) * | 2017-12-26 | 2018-04-10 | 歌尔科技有限公司 | A kind of loudspeaker module and the Headphone device with the loudspeaker module |
| CN108366313A (en) * | 2018-05-17 | 2018-08-03 | 歌尔股份有限公司 | Acoustical generator and earphone |
| CN109068224A (en) * | 2018-09-26 | 2018-12-21 | 惠州市欧凡实业有限公司 | A kind of earphone for the frequency response parameter can change earphone low frequency |
| CN109286874A (en) * | 2018-10-26 | 2019-01-29 | 歌尔股份有限公司 | Acoustical generator and earphone |
| US11671745B2 (en) | 2020-09-16 | 2023-06-06 | Apple Inc. | Headphone earcup with adsorptive material |
-
2016
- 2016-04-28 CN CN201620382870.4U patent/CN205726279U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105872880A (en) * | 2016-04-28 | 2016-08-17 | 青岛歌尔声学科技有限公司 | Headset |
| CN105872880B (en) * | 2016-04-28 | 2022-03-15 | 青岛歌尔声学科技有限公司 | Head-wearing earphone |
| CN107896354A (en) * | 2017-12-26 | 2018-04-10 | 歌尔科技有限公司 | A kind of loudspeaker module and the Headphone device with the loudspeaker module |
| CN107896354B (en) * | 2017-12-26 | 2024-02-06 | 歌尔科技有限公司 | Speaker module and earphone device with same |
| CN108366313A (en) * | 2018-05-17 | 2018-08-03 | 歌尔股份有限公司 | Acoustical generator and earphone |
| CN108366313B (en) * | 2018-05-17 | 2024-06-04 | 歌尔股份有限公司 | Acoustic generator and earphone |
| CN109068224A (en) * | 2018-09-26 | 2018-12-21 | 惠州市欧凡实业有限公司 | A kind of earphone for the frequency response parameter can change earphone low frequency |
| CN109286874A (en) * | 2018-10-26 | 2019-01-29 | 歌尔股份有限公司 | Acoustical generator and earphone |
| US11671745B2 (en) | 2020-09-16 | 2023-06-06 | Apple Inc. | Headphone earcup with adsorptive material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |