CN203136133U - Sound source output apparatus with adjustable upper register output phase - Google Patents
Sound source output apparatus with adjustable upper register output phase Download PDFInfo
- Publication number
- CN203136133U CN203136133U CN 201220673416 CN201220673416U CN203136133U CN 203136133 U CN203136133 U CN 203136133U CN 201220673416 CN201220673416 CN 201220673416 CN 201220673416 U CN201220673416 U CN 201220673416U CN 203136133 U CN203136133 U CN 203136133U
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- high frequency
- voice coil
- sound source
- housing
- efferent
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Abstract
A sound source output apparatus with an adjustable upper register output phase comprises an earphone body and a low frequency output part and a high frequency output part arranged on the earphone body, wherein the earphone body comprises an outer annular portion with an accommodating space and an inner annular portion arranged in the accommodating space, the accommodating space comprises a first setting zone arranged between the outer annular portion and the inner annular portion and a second setting zone arranged in the inner annular portion, the low frequency output part comprises a bass resonance membrane and a first voice coil arranged in the first setting zone, the high frequency output part is arranged in the second setting zone and axially displaced relative to the low frequency output part, and the high frequency output part comprises a housing, a high pitch resonance membrane arranged in the housing, and a second voice coil arranged in the housing. In this way, the interference on out-of-phase reflection sound wave can be substantially reduced, and quality distortion can be then reduced.
Description
Technical field
The utility model relates to a kind of sound source output device, refers to a kind of sound source output device of adjusting high frequency audio territory output phase especially.
Background technology
Earphone (claiming ear tube, receiver again) is a pair ofly to convert electric signal the converting unit of sound signal to, and it accepts the electric signal that media player or receiver send, and utilizes the loud speaker of ear to convert it into the sound wave that can hear.Earphone generally is separable with media player, utilizes a plug to connect.Benefit is under the situation that does not influence other people, can listen to sound equipment alone; The sound that also can separate surrounding environment, helpful to the people who works under the noisy environment of making an uproar at recording studio, DJ etc.Early stage earphone is former in using on phone and the radio, but along with prevailing of portable electronic devices, earphone is used for mobile phone, walkman, broadcast receiver, Portable electronic game and digital music player etc. more, also sees simultaneously among computer and the Hi-fi sound equipment.
And in earphone, the structure that both form by the housing of being located at the outside and inboard loud speaker normally, when voice coil loudspeaker voice coil guiding vibrating diaphragm carries out telecommunication and sound wave conversion, will be different with reflected wave phase place in the housing because of the sound wave of directly output, sound wave after causing reflecting is interfered to each other with the sound wave of directly output, and then causes the distortion of tonequality.Be the phase place that how to cooperate the suitable adjustment sound wave signal of housing, use the ratio that reduces quality distortion, be the problem of solution that each people in the industry desires most ardently in this area.
Summary of the invention
Technical problem to be solved in the utility model is: at earphone known in the state of the art because output sound wave and reflection sound wave phase place difference, make between sound wave and to interfere mutually and cause the problem of quality distortion, a kind of sound source output device of adjusting high frequency audio territory output phase is provided.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of sound source output device of adjusting high frequency audio territory output phase, comprise earphone body, low frequency efferent and high frequency efferent, be characterized in: described earphone body includes the outer portion that is provided with accommodation space and is arranged at the interior internal ring portion of this accommodation space, and this accommodation space includes to be located at first setting area between this outer portion and this internal ring portion and to be arranged at the second interior setting area of this internal ring portion; This low frequency efferent includes the bass resonating membrane that is connected in this outer portion and is located at this first setting area and first voice coil loudspeaker voice coil corresponding with this bass resonating membrane; This high frequency efferent is arranged at this second setting area and this low frequency efferent axial displacement relatively, and this high frequency efferent includes housing, is located at the high pitch resonating membrane in this housing and is located in this housing and second voice coil loudspeaker voice coil corresponding with this high pitch resonating membrane.
Further, this internal ring portion includes an internal thread part that arranges corresponding to this housing, and this housing includes to connect corresponding to this internal thread part to be established for this high frequency efferent external thread part of this low frequency efferent axial displacement relatively.
Further, include the sound guide tube that arranges should bass resonating membrane one side on this housing.
Further, this earphone body includes and is arranged on this earphone body the circuit substrate of this bass resonating membrane one side relatively, this circuit substrate include be electrically connected to outside signal source with the audio extraction unit of acquisition audible signals, be electrically connected to this audio extraction unit and with this audible signals filter away high frequency noise with the low pass filter that is passed to this first voice coil loudspeaker voice coil and be electrically connected to this audio extraction unit and with this audible signals filtering low-frequency noise to be passed to the high pass filter of this second voice coil loudspeaker voice coil.
Further, this high frequency efferent includes the relief tube that is arranged on this housing and is communicated in user's duct.
Further, be provided with acoustic resistance portion in this relief tube.
Further, this acoustic resistance portion is made by sound-absorbing sponge, porous plasticizing material and porous ceramic.
Further, this first voice coil loudspeaker voice coil includes the first magnet portion that is incorporated into the first coiling group on this bass resonating membrane and is located on this first coiling group outside.
Further, this second voice coil loudspeaker voice coil includes the second magnet portion that is incorporated into the second coiling group on this high pitch resonating membrane and is located on this second coiling group outside.
Further, this housing is the non-magnetic material.
Further, this non-magnetic material is selected from aluminium alloy, copper or nickel.
So, can move in this second setting area by the adjustable axle of this high frequency efferent, make this high frequency efferent be able to this low frequency efferent axial displacement relatively, use and adjust high frequency efferent and the relative position between housing on every side, make this high frequency efferent be adjusted to the optimum position, significantly reduce the interference of out of phase reflection sound wave, and then reach the corresponding effect that reduces quality distortion.Moreover, can be by being arranged on this housing and being communicated in the relief tube of user's duct, make the utility model when using, can reduce the negative pressure that puts in user's duct, use the burden that reduces duct, ear-drum, on the other hand, also be available for users in pressure variation environment greatly, use (for example: in the time of on the aircraft).
Description of drawings
Fig. 1 is generalized section of the present utility model.
Fig. 2 is high frequency efferent generalized section of the present utility model.
Fig. 3 is the block schematic diagram that the utility model is handled about message.
Label declaration
10 ... earphone body 11 ... outer portion
12 ... internal ring portion 121... internal thread part
13 ... accommodation space 131... first setting area
132... second setting area 14 ... circuit substrate
141... audio extraction unit 142... low pass filter
143... high pass filter 20 ... low frequency efferent
21 ... bass resonating membrane 22 ... first voice coil loudspeaker voice coil
221... the first coiling group 222..., the first magnet portion
30 ... high frequency efferent 31 ... housing
311... external thread part 312... sound guide tube
32 ... high pitch resonating membrane 33 ... second voice coil loudspeaker voice coil
331... the second coiling group 332..., the second magnet portion
34 ... relief tube 341... acoustic resistance portion
40 ... outside signal source
Embodiment
See also Fig. 1 and Fig. 2, generalized section for generalized section of the present utility model and high frequency efferent 30, as shown in the figure: the utility model is a kind of sound source output device of adjusting high frequency audio territory output phase, includes earphone body 10 and is arranged at low frequency efferent 20 and high frequency efferent 30 on this earphone body 10 respectively.Wherein, this earphone body 10 includes the outer portion 11 that is provided with accommodation space 13, and in this accommodation space 13, be provided with one with the internal ring portion 12 of these outer portion 11 concentric settings, this internal ring portion 12 is inside and outside corresponding with this outer portion 11, and to be the boundary be divided into one with this accommodation space 13 is arranged at second setting area 132 in this internal ring portion 12 between first setting area 131 and of 12 of this outer portion 11 and this internal ring portions with this internal ring portion 12.Wherein, this low frequency efferent 20 is arranged in this first setting area 131, and this low frequency efferent 20 include be located at the bass resonating membrane 21 on this first setting area 131 and be located at this first setting area 131 and with this bass resonating membrane 21 corresponding first voice coil loudspeaker voice coil 22 mutually.This first voice coil loudspeaker voice coil 22 includes the first coiling group 221 and magnetic coupling in the first magnet portion 222 of this first coiling group 221, the outer surrounding place side of this bass resonating membrane 21 is connected on this outer portion 11, and this first magnet portion 222 in surrounding place side then connects this first coiling group 221 and is arranged at first setting area 131 in it is corresponding mutually.This high frequency efferent 30 is arranged in this second setting area 132, this high frequency efferent 30 includes housing 31, be located at the high pitch resonating membrane 32 in this housing 31 and be located in this housing 31 and with this high pitch resonating membrane 32 corresponding second voice coil loudspeaker voice coil 33 mutually.Wherein, a side that should bass resonating membrane 21 in 31 pairs of this housings is provided with a sound guide tube 312, transmits so that the high frequency sound wave concentrated.This second voice coil loudspeaker voice coil 33 includes one and is incorporated into the second coiling group 331 on this high pitch resonating membrane 32 and is located on the second magnet portion 332 that 331 outsides are organized in this second coiling.For the magnetic force of avoiding this first voice coil loudspeaker voice coil 22 and this second voice coil loudspeaker voice coil 33 influences each other, and noise distortion when causing audible signals to be converted to sound wave, the housing 31 of this high frequency efferent 30 can adopt non-magnetic materials such as aluminium alloy, copper or nickel, makes the magnetic force in this first setting area 131 and this housing 31 be able to isolated mutually.
For making this high frequency efferent 30 be able to these low frequency efferent 20 axial displacements relatively, use and adjust this high frequency efferent 30 to better position, this internal ring portion 12 includes an internal thread part 121 corresponding to these housing 31 settings, 31 of this housings include one and connect the external thread part of establishing for 30 relative these low frequency efferent 20 axial displacements of this high frequency efferent 311 corresponding to this internal thread part 121, suitable by this external thread part 311 and this internal thread part 121 phase interworkings, this high frequency efferent 30 is screwed into or spiral shell goes out in this second setting area 132, uses to make this high frequency efferent 30 be displaced into better position.Only, above-mentionedly make 20 modes of moving of these high frequency efferent 30 relative these low frequency efferents by this external thread part 311 and this internal thread part 121, it only is a preferred embodiment of the present utility model, the equalization that high frequency efferent 30 20 of relative low frequency efferents are moved changes, and all should be contained in the major technique concept of the present utility model.
On the other hand, this earphone body 10 includes one and is arranged on this earphone body 10 circuit substrate 14 of this bass resonating membrane 21, high pitch resonating membrane 32 1 sides relatively, electrically connect outside signal source 40 and this low frequency efferent 20, high frequency efferent 30 respectively, use by outside signal source 40 and obtain audible signals and it is passed to this low frequency efferent 20, high frequency efferent 30 respectively.See also Fig. 3, block schematic diagram for the processing of the utility model message, as shown in the figure: be able to respectively by this low frequency efferent 20 for making low frequency message and high frequency message, high frequency efferent 30 is sent, using increases the sound clarity degree, this circuit substrate 14 includes one and is electrically connected to this audio extraction unit 141 also with the low pass filter 142 of this audible signals filter away high frequency noise to be passed to this first voice coil loudspeaker voice coil 22, and one is electrically connected to this audio extraction unit 141 also with the high pass filter 143 of this audible signals filtering low-frequency noise to be passed to this second voice coil loudspeaker voice coil 33.
For increasing practical degree of the present utility model, make the utility model applicable on the aircraft or other relative pressure changes big environment, high frequency efferent 30 of the present utility model includes a relief tube 34 that is arranged on this housing 31, this relief tube 34 is communicated in user's duct, uses the negative pressure that discharges in user's duct.For avoiding sound wave outwards to be sent towards the direction of relief tube 34 by high pitch resonating membrane 32, in this relief tube 34, be provided with an acoustic resistance portion 341, the material of this acoustic resistance portion 341 can be sound-absorbing sponge, porous plasticizing material or porous ceramic; The utility model is by the energy of these acoustic resistance portion 341 absorption sound waves, so that sound wave is closed in this earphone body 10.
In sum, the utility model can move in this second setting area by the adjustable axle of this high frequency efferent, this high frequency efferent is able to and this low frequency efferent displacement to axial, use and adjust high frequency efferent and the relative position between housing on every side, make this high frequency efferent be adjusted to the optimum position, reduce the interference of out of phase reflection sound wave significantly, and then reach the relative potency that reduces quality distortion.Moreover, the utility model can be used the burden that reduces duct by being arranged on this housing and being communicated in the relief tube of user's duct, the utility model can be reduced the negative pressure that puts in user's duct, on the other hand, also can be used in pressure changes in the big environment and uses.
Below the utility model is described in detail, only the above, it only is a preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, be that all equalizations of doing according to the utility model claim change and modification, all should still belong in the utility model patent covering scope.
Claims (11)
1. the sound source output device that can adjust high frequency audio territory output phase, comprise earphone body, low frequency efferent and high frequency efferent, it is characterized in that: described earphone body includes the outer portion that is provided with accommodation space and is arranged at the interior internal ring portion of this accommodation space, and this accommodation space includes to be located at first setting area between this outer portion and this internal ring portion and to be arranged at the second interior setting area of this internal ring portion; This low frequency efferent includes the bass resonating membrane that is connected in this outer portion and is located at this first setting area and first voice coil loudspeaker voice coil corresponding with this bass resonating membrane; This high frequency efferent is arranged at this second setting area and this low frequency efferent axial displacement relatively, and this high frequency efferent includes housing, is located at the high pitch resonating membrane in this housing and is located in this housing and second voice coil loudspeaker voice coil corresponding with this high pitch resonating membrane.
2. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 1, it is characterized in that: described internal ring portion includes the internal thread part that arranges corresponding to this housing, and this housing includes one and connects corresponding to this internal thread part and to establish for this high frequency efferent external thread part of this low frequency efferent axial displacement relatively.
3. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 1 is characterized in that: include a pair of sound guide tube that should bass resonating membrane one side arranges on the described housing.
4. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 1, it is characterized in that: described earphone body includes one and is arranged on this earphone body the circuit substrate of this bass resonating membrane one side relatively, and this circuit substrate includes and is electrically connected to outside signal source with the audio extraction unit of acquisition audible signals, be electrically connected to this audio extraction unit and with this audible signals filter away high frequency noise to be passed to the low pass filter of this first voice coil loudspeaker voice coil, and be electrically connected to this audio extraction unit and with this audible signals filtering low-frequency noise to be passed to the high pass filter of this second voice coil loudspeaker voice coil.
5. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 1, it is characterized in that: described high frequency efferent includes the relief tube that is arranged on this housing and is communicated in user's duct.
6. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 5 is characterized in that: be provided with acoustic resistance portion in the described relief tube.
7. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 6 is characterized in that: described acoustic resistance portion is made by sound-absorbing sponge, porous plasticizing material or porous ceramic.
8. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 1 is characterized in that: described first voice coil loudspeaker voice coil includes the first magnet portion that is incorporated into the first coiling group on this bass resonating membrane and is located on this first coiling group outside.
9. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 1 is characterized in that: described second voice coil loudspeaker voice coil includes the second magnet portion that is incorporated into the second coiling group on this high pitch resonating membrane and is located on this second coiling group outside.
10. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 1, it is characterized in that: described housing is the non-magnetic material.
11. the sound source output device of adjusting high frequency audio territory output phase as claimed in claim 10 is characterized in that: described non-magnetic material is selected from aluminium alloy, copper or nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673416 CN203136133U (en) | 2012-12-10 | 2012-12-10 | Sound source output apparatus with adjustable upper register output phase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673416 CN203136133U (en) | 2012-12-10 | 2012-12-10 | Sound source output apparatus with adjustable upper register output phase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203136133U true CN203136133U (en) | 2013-08-14 |
Family
ID=48944065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673416 Expired - Fee Related CN203136133U (en) | 2012-12-10 | 2012-12-10 | Sound source output apparatus with adjustable upper register output phase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203136133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696804A (en) * | 2017-03-29 | 2018-10-23 | Ask工业股份公司 | Loud speaker with vibration control system |
-
2012
- 2012-12-10 CN CN 201220673416 patent/CN203136133U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696804A (en) * | 2017-03-29 | 2018-10-23 | Ask工业股份公司 | Loud speaker with vibration control system |
| CN108696804B (en) * | 2017-03-29 | 2021-05-04 | Ask工业股份公司 | Loudspeaker with vibration control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |