CN204350255U - Earphone horn and be provided with the earphone of these loudspeaker - Google Patents
Earphone horn and be provided with the earphone of these loudspeaker Download PDFInfo
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- CN204350255U CN204350255U CN201520058104.8U CN201520058104U CN204350255U CN 204350255 U CN204350255 U CN 204350255U CN 201520058104 U CN201520058104 U CN 201520058104U CN 204350255 U CN204350255 U CN 204350255U
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Abstract
The utility model discloses a kind of earphone horn and the earphone of these loudspeaker is installed, relate to electro-acoustic product technical field, comprise cylindrical case, microphone and horn single body is contained in described shell, described microphone and the superposition of described horn single body are arranged, also comprise the support be arranged between described microphone and described horn single body, described support comprises the base combined with the upper end of described horn single body, described base is provided with at least two buckle structures for fixing described microphone, described base is also provided with the loudspeaker acoustic aperture of the front operatic tunes being communicated with described horn single body, be provided with channel of acoustic wave between described microphone and described shell, described channel of acoustic wave is communicated with the phonate hole of described loudspeaker acoustic aperture and described earphone horn, the microphone acoustic aperture of described microphone is also communicated with described phonate hole, described microphone and described horn single body are electrically connected a noise reduction chip simultaneously.The utility model excellent noise reduction effect, compact, use and easy to carry.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of earphone horn and be provided with the earphone of these loudspeaker.
Background technology
Along with the development of electronic technology, the portable electric appts kind with playing audio signal gets more and more, and as MP3 (music player), mobile phone and PAD (panel computer) etc., applies also more and more universal.The sound that above-mentioned various electronic equipment sends directly can be transferred to the ear of user by earphone, avoid extraneous noisy environments to the impact listening to effect, for user provides the voice signal of high-quality, also can not interfere with other people of surrounding simultaneously, just because of earphone, there is above-mentioned advantage, thus make earphone become the requisite accessory of above-mentioned various electronic equipment.
Also the sound that earphone spreads out of can be heard clearly in a noisy environment in order to allow user, various noise cancelling headphone arises at the historic moment, most noise cancelling headphone all comprises horn single body and microphone in the market, by the noise signal around microphone pickup, horn single body is transferred to after this noise signal is reverse by circuit, the inverse noise signal exported by horn single body uses the noise signal of ear to offset with directly entering, thus reaches the object of reduction noise.But the horn single body in this type of noise cancelling headphone existing is all separated setting with microphone, the space that this kind is separated the earphone inner chamber of the structure needs arranged is comparatively large, thus causes the volume of earphone excessive, uses and carries equal inconvenience.
Utility model content
For above defect, first technical problem to be solved in the utility model is to provide a kind of earphone horn, and this earphone horn has good decrease of noise functions, and compact, take earphone inner space little.
Based on same inventive concept, second technical problem to be solved in the utility model is to provide a kind of earphone, and this earphone has good decrease of noise functions, and compact, use and carry all very convenient.
For solving above-mentioned first technical problem, the technical solution of the utility model is:
A kind of earphone horn, comprise cylindrical case, microphone and horn single body is contained in described shell, described microphone and the superposition of described horn single body are arranged, also comprise the support be arranged between described microphone and described horn single body, described support comprises the base combined with the upper end of described horn single body, and described base is provided with at least two for the buckle structure of fixing described microphone, described base is also provided with the loudspeaker acoustic aperture of the front operatic tunes being communicated with described horn single body; Be provided with channel of acoustic wave between described microphone and described shell, described channel of acoustic wave is communicated with the phonate hole of described loudspeaker acoustic aperture and described earphone horn; The microphone acoustic aperture of described microphone is also communicated with described phonate hole; Described microphone and described horn single body are electrically connected a noise reduction chip simultaneously.
Wherein, the downside of the edge part of described base is combined on the upper surface of the lateral wall of described horn single body, and described base forms the upper cover of described horn single body.
Wherein, described buckle structure and described loudspeaker acoustic aperture are positioned at the circumferentially same of the edge part of close described base, and described buckle structure and described loudspeaker acoustic aperture are arranged alternately.
Wherein, described buckle structure comprises the linking arm be vertically set on described base, described linking arm has horizontal elasticity, the end of described linking arm is provided with the clamping part extended to described microphone, described clamping part is vertical with described linking arm to be arranged, and described microphone is fixed between described clamping part and described base.
Wherein, described shell is ladder tubular structure, and the diameter of its first half is less than the diameter of its latter half, and its top and bottom are circulus, and the center drilling being located thereon end is described phonate hole; The upper side being positioned at cascaded surface inside described shell and described pedestal edge edge fits.
Wherein, described microphone comprises the housing of open at one end, diaphragm, pad, pole plate, grating ring and PCB is provided with successively in described housing, dielectric chamber is provided with between the sidewall of described pole plate and described housing, described diaphragm is positioned at the bottom of described housing, described PCB is positioned at the opening end of described housing, and the bottom of described housing is provided with described microphone acoustic aperture; The bottom of described housing is near the upper end of described shell.
Wherein, the opening end of described housing is provided with the bending part bent inwards, and the end of described bending part is against on the lower surface of described PCB.
Wherein, described horn single body involving vibrations system and magnetic circuit system, described magnetic circuit system comprises frame, and the inside of described frame is provided with magnet and washer successively, the sidewall of described frame is hierarchic structure, and the vibrating diaphragm of described vibrational system is fixed on the cascaded surface of described frame sidewall.
Wherein, described frame sidewall forms the lateral wall of described horn single body, and the downside of the edge part of described base is combined on the upper surface of described frame sidewall.
For solving above-mentioned second technical problem, the technical solution of the utility model is:
A kind of earphone, comprises earphone outer covering, contains above-mentioned earphone horn in described earphone outer covering.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the utility model earphone horn comprises shell, horn single body and the microphone of superposition setting is contained in shell, support is provided with between horn single body and microphone, support comprises the base combined with the upper end of horn single body, base is provided with the buckle structure for fixing microphone, base is also provided with the loudspeaker acoustic aperture of the front operatic tunes being communicated with horn single body; Be provided with channel of acoustic wave between microphone and shell, channel of acoustic wave is communicated with the phonate hole of loudspeaker acoustic aperture and earphone horn; Microphone acoustic aperture is also communicated with phonate hole; Microphone and horn single body are electrically connected a noise reduction chip simultaneously.Outside noise enters by microphone pickup from phonate hole, the noise signal transmission that pickup is arrived by microphone is to noise reduction chip, horn single body is transferred to after noise reduction chip is reverse by this noise signal, horn single body exports the voice signal contrary with noise, this voice signal contrary with noise is cancelled out each other with the noise directly entering user's ear, thus plays good Noise Reduction.Microphone superposes setting up and down with horn single body, and is encapsulated in same shell, and compact conformation therebetween, takes up room little, can effectively reduce the volume of earphone, improves the property easy to use and carry of earphone.
Downside due to the edge part of base is combined on the upper surface of the lateral wall of horn single body, and base forms the upper cover of horn single body.This structure effectively simplifies the internal structure of earphone horn, has saved the inner space of earphone horn, has reduced the size of earphone horn, simplified the packaging technology of earphone horn simultaneously, reduced the production cost of earphone horn.
Because buckle structure comprises the linking arm be vertically set on base, linking arm has horizontal elasticity, and the end of linking arm is provided with the clamping part extended to microphone, and clamping part is vertical with linking arm to be arranged.Only need microphone to press downward to above buckle structure when installing microphone, in the process of microphone press-in, linking arm bends laterally, when driving clamping part to reset under the effect of linking arm after microphone is pressed into completely at natural resiliency, clamping part has just been stuck on the upper surface of microphone firmly, thus has been fixed on support by microphone.This buckle structure structure is simple, makes the fixed work order of microphone simple to operation, and good fixing effect, improve packaging efficiency.
Contain the above-mentioned earphone horn of enclosed inside microphone and horn single body in shell due to the utility model earphone, while serving noise reduction, reduce the volume of earphone greatly, improve the convenience using and carry greatly.
In sum, it is large that the utility model earphone horn and the earphone being provided with these loudspeaker solve noise cancelling headphone volume in prior art, uses and carry inconvenient technical problem, the utility model earphone horn and be provided with the earphone excellent noise reduction effect of these loudspeaker, compact, use and easy to carry.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the utility model earphone horn;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the A-A line cutaway view of Fig. 2;
Fig. 4 is the B-B line cutaway view of Fig. 2;
In figure: 10, shell, 12, phonate hole, 20, microphone, 22, housing, 220, microphone acoustic aperture, 222, bending part, 24, PCB, 260, grating ring, 262, dielectric chamber, 264, pole plate, 266, pad, 268, diaphragm, 30, support, 32, base, 34, buckle structure, 340, linking arm, 342, clamping part, 344, chamfer plane, 36, loudspeaker acoustic aperture, 40, horn single body, 42, PCB, 440, frame, 442, magnet, 444, washer, 460, vibrating diaphragm, 462, voice coil loudspeaker voice coil, 48, gasket ring, 50, channel of acoustic wave.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
The orientation related in this specification all refers to the direction residing for microphone, under orientation, all refer to the direction residing for horn single body.The side at nearly earphone horn center is all depended in the inner side related in this specification.
Embodiment one:
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, a kind of earphone horn, comprises injection casing 10, contains the microphone 20 and horn single body 40 that superpose setting up and down in shell 10, be provided with support 30 between microphone 20 and horn single body 40, microphone 20 is fixed on support 30.Shell 10 is stair-stepping cylindrical structure, and the diameter of its first half is less than the diameter of its latter half, and microphone 20 is positioned at the first half of shell 10, and horn single body 40 is positioned at the latter half of shell 10.The top and bottom of shell 10 are the circulus of center drilling, and the center drilling being positioned at shell 10 upper end is the phonate hole 12 of earphone horn.Microphone 20 and horn single body 40 are electrically connected a noise reduction chip simultaneously.Microphone superposes setting up and down with horn single body, and is encapsulated in same shell, and compact conformation therebetween, takes up room little, can effectively reduce the volume of earphone, improves the property easy to use and carry of earphone.
As Fig. 1 and Fig. 3 jointly shown in, horn single body 40 is that vibrational system is arranged in shell 10 upward.Support 30 comprises circular base 32, and the downside of the edge part of base 32 is combined on the upper surface of the lateral wall of horn single body 40, and base 32 forms the upper cover of horn single body 40.This structure effectively simplifies the internal structure of earphone horn, has saved the inner space of earphone horn, has reduced the size of earphone horn, simplified the packaging technology of earphone horn simultaneously, reduced the production cost of earphone horn.
Shown in common as shown in Figure 1, Figure 3 and Figure 4, base 32 is provided with the loudspeaker acoustic aperture 36 that four are communicated with the front operatic tunes of horn single body 40, four loudspeaker acoustic aperture 36 are circular arc, and be positioned at the circumferentially same of the edge part position of close base 32, the sound that horn single body 40 sends spreads out of from loudspeaker acoustic aperture 36.The upside of base 32 is also provided with four buckle structure 34, four buckle structures 34 for fixing microphone 20 and four loudspeaker acoustic aperture 36 are positioned at circumferentially same, and four buckle structures 34 and four loudspeaker acoustic aperture 36 are arranged alternately.The lateral surface of buckle structure 34 and the inwall of shell 10 fit, microphone 20 is fixed on the inner side of four buckle structures 34, the position (being namely provided with the position of loudspeaker acoustic aperture 36) not then being provided with buckle structure 34 defines gap between place's microphone 20 and the madial wall of shell 10, this gap is the channel of acoustic wave 50 of the sound transmission that horn single body 40 sends, and this channel of acoustic wave 50 is communicated with loudspeaker acoustic aperture 36 and phonate hole 12.The sound that horn single body 40 sends spreads out of from phonate hole 12 through channel of acoustic wave 50, and the round of sound as shown by the arrows in figure 4.
The quantity of buckle structure is not limited to four, and in reality, two or more can realize the function of fixing microphone, and four is the preferred structure in present embodiment, and can ensure the fixed effect of microphone, difficulty of processing is little again.The quantity of same loudspeaker acoustic aperture is also not limited to four, as long as can meet acoustical behavior.
As Fig. 1 and Fig. 3 jointly shown in, microphone 20 comprises the cylinder shell 22 of open at one end, and housing 22 is metal shell, housing 22 bottom-up, is distributed with multiple microphone acoustic aperture 220 on its bottom.The bottom inside of housing 22 is provided with diaphragm 268, and the edge part of diaphragm 268 is annular projection, and annular projection makes the front operatic tunes defining microphone 20 between the bottom of diaphragm 268 and housing 22.The downside of diaphragm 22 is fixed with pad 266, and the middle part of the downside of pad 266 is fixed with pole plate 264, and the edge of pole plate 264 is less than the edge of pad 266, and the edge part on the downside of pole plate 264 is fixed with grating ring 260, and the outward flange of grating ring 260 is consistent with the edge of pole plate 264.Edge part on the downside of pad 266 is fixed with the dielectric chamber 262 of ring-type, and dielectric chamber 262 is looped around the outside of pole plate 264 and grating ring 260, and for insulating between pole plate 264 and housing 22, the outer surface of dielectric chamber 262 and the inwall of housing 22 fit.The lower end of grating ring 260 is connected with PCB24, defines the rear operatic tunes of microphone 20 between pole plate 264, grating ring 260 and PCB24.The opening end of housing 22 is provided with the bending part 222 bent inwards, and the end of bending part 222 is against on the lower surface of PCB24, thus grating ring 260, pole plate 264, pad 266, dielectric chamber 262 and diaphragm 268 has been fixed on firmly in housing 22.The operatic tunes before sound enters into microphone 20 from microphone acoustic aperture 220 also makes diaphragm 268 produce vibration, the vibration of diaphragm 268 changes the distance between diaphragm 268 and pole plate 264, thus the electric capacity changed between diaphragm 268 and pole plate 264, voice signal is converted to the signal of telecommunication.
As Fig. 1 and Fig. 3 jointly shown in, horn single body 40 involving vibrations system, magnetic circuit system and PCB42, PCB42 are positioned at horn single body 40 bottom, and the contacted inner surfaces of its lower surface and shell 10 lower end leans on.Magnetic circuit system comprises the frame 440 be fixed on the upside of PCB42, and the sidewall of frame 440 is hierarchic structure, and the diameter of its first half is greater than the diameter of its latter half, and the outer surface of its first half and the inner surface of shell 10 fit.The inner hub location of frame 440 is fixed with magnet 442 and washer 444 successively, is formed with magnetic gap between the sidewall of magnet 442 and washer 444 and frame 440.The cascaded surface of the sidewall of frame 440 and the upper surface of washer 444 flush, the edge of cascaded surface is fixed with a gasket ring 48, gasket ring 48 is copper ring, the edge part of the vibrating diaphragm 460 of vibrational system is fixed on gasket ring 48, the position of the corresponding magnetic gap in the middle part on the downside of vibrating diaphragm 460 is fixed with voice coil loudspeaker voice coil 462, and the end of voice coil loudspeaker voice coil 462 is positioned at magnetic gap.The sidewall of frame 440 defines the lateral wall of horn single body 40, the downside of the edge part of base 32 is combined on the upper surface of the sidewall of frame 440, the upper side of the edge part of the cascaded surface inside shell 10 and base 32 fits, thus horn single body 40 has been fixed on the Lower Half of shell 10.Voice coil loudspeaker voice coil 462 passes to its sound wave signal of telecommunication size and Orientation according to PCB42 does reciprocal moving up and down in magnetic gap, and vibrating diaphragm 460 vibrates along with moving up and down of voice coil loudspeaker voice coil 462, thus instigates air sounding, converts electrical signals to voice signal.
As Fig. 1 and Fig. 3 jointly shown in, buckle structure 34 comprises the linking arm 340 be vertically set on the upside of base 32, linking arm 340 has horizontal elasticity, the end of linking arm 340 is provided with the clamping part 342 extended to microphone 20, clamping part 342 is vertical with linking arm to be arranged, and the bottom outer surface of the housing 22 of the lower surface of clamping part 342 and microphone 20 is suitable, microphone 20 is fixed on clamping part 342, between linking arm 340 and base 32.Only need microphone 20 to press downward to above buckle structure 34 when installing microphone 20, in the process that microphone 20 is pressed into, linking arm 340 bends laterally, when driving clamping part 342 to reset under the effect of linking arm 340 at natural resiliency after microphone 20 is pressed into completely, clamping part 342 has just been stuck on the upper surface of microphone 20 firmly, thus has been fixed on support by microphone 20.This buckle structure 34 structure is simple, makes the fixed work order of microphone 20 simple to operation, and good fixing effect, improve packaging efficiency.
As Fig. 1 and Fig. 3 jointly shown in, present embodiment is preferably provided with chamfering inclined-plane 344 in the inner side of the upper surface of clamping part 342, the press-in of the 344 pairs of microphones 20 in chamfering inclined-plane serves guide effect, further reduce the difficulty of microphone 20 fixed work order, improve the packaging efficiency of earphone horn greatly.
Shown in common as shown in Figure 1, Figure 3 and Figure 4, the operation principle of the utility model earphone horn is as follows:
Outside noise enters in earphone horn from phonate hole 12, picked up by microphone 20, the noise signal of picking up is converted to electric signal transmission to noise reduction chip by microphone 20, horn single body 40 is transferred to after noise reduction chip is reverse by this noise signal of telecommunication, horn single body 40 according to noise reduction chip transmit reverse after the noise signal of telecommunication and export the voice signal contrary with noise, this voice signal contrary with noise is cancelled out each other with the noise directly entering user's ear, thus plays good Noise Reduction.
Embodiment two:
A kind of earphone, comprises earphone outer covering, is provided with the earphone horn described in embodiment one in earphone outer covering.
Contain the earphone horn of enclosed inside microphone and a horn single body in the shell of the present embodiment earphone, while serving noise reduction, reduce the volume of earphone greatly, improve the convenience using and carry greatly.
This specification is only to the utility model, the technical scheme that a microphone and horn single body are encapsulated in a shell is carried out detailed illustrating for the microphone of said structure and horn single body, in practical application, the structure of microphone and horn single body is not limited to the structure described in above-described embodiment, anyly all can be encapsulated in a shell in order to reduce the volume of noise cancelling headphone for the microphone in earphone and horn single body, those skilled in the art do not need to pay creative work according to the description of this specification and just can replace in the technical solution of the utility model by the microphone of other structure and horn single body, therefore no matter whether microphone is identical with horn single body structure with the microphone in above-described embodiment with the structure of horn single body, as long as have employed the earphone horn that a microphone and horn single body to be superposed and be encapsulated in a shell and earphone products all falls within protection range of the present utility model.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.
Claims (10)
1. earphone horn, comprise cylindrical case, microphone and horn single body is contained in described shell, it is characterized in that, described microphone and the superposition of described horn single body are arranged, and also comprise the support be arranged between described microphone and described horn single body, described support comprises the base combined with the upper end of described horn single body, described base is provided with at least two for the buckle structure of fixing described microphone, described base is also provided with the loudspeaker acoustic aperture of the front operatic tunes being communicated with described horn single body; Be provided with channel of acoustic wave between described microphone and described shell, described channel of acoustic wave is communicated with the phonate hole of described loudspeaker acoustic aperture and described earphone horn; The microphone acoustic aperture of described microphone is also communicated with described phonate hole; Described microphone and described horn single body are electrically connected a noise reduction chip simultaneously.
2. earphone horn according to claim 1, is characterized in that, the downside of the edge part of described base is combined on the upper surface of the lateral wall of described horn single body, and described base forms the upper cover of described horn single body.
3. earphone horn according to claim 2, is characterized in that, described buckle structure and described loudspeaker acoustic aperture are positioned at the circumferentially same of the edge part of close described base, and described buckle structure and described loudspeaker acoustic aperture are arranged alternately.
4. earphone horn according to claim 3, it is characterized in that, described buckle structure comprises the linking arm be vertically set on described base, described linking arm has horizontal elasticity, the end of described linking arm is provided with the clamping part extended to described microphone, described clamping part is vertical with described linking arm to be arranged, and described microphone is fixed between described clamping part and described base.
5. the earphone horn according to the arbitrary claim of Claims 1-4, it is characterized in that, described shell is ladder tubular structure, and the diameter of its first half is less than the diameter of its latter half, its top and bottom are circulus, and the center drilling being located thereon end is described phonate hole; The upper side being positioned at cascaded surface inside described shell and described pedestal edge edge fits.
6. earphone horn according to claim 5, it is characterized in that, described microphone comprises the housing of open at one end, diaphragm, pad, pole plate, grating ring and PCB is provided with successively in described housing, dielectric chamber is provided with between the sidewall of described pole plate and described housing, described diaphragm is positioned at the bottom of described housing, and described PCB is positioned at the opening end of described housing, and the bottom of described housing is provided with described microphone acoustic aperture; The bottom of described housing is near the upper end of described shell.
7. earphone horn according to claim 6, is characterized in that, the opening end of described housing is provided with the bending part bent inwards, and the end of described bending part is against on the lower surface of described PCB.
8. earphone horn according to claim 7, it is characterized in that, described horn single body involving vibrations system and magnetic circuit system, described magnetic circuit system comprises frame, the inside of described frame is provided with magnet and washer successively, the sidewall of described frame is hierarchic structure, and the vibrating diaphragm of described vibrational system is fixed on the cascaded surface of described frame sidewall.
9. earphone horn according to claim 8, is characterized in that, described frame sidewall forms the lateral wall of described horn single body, and the downside of the edge part of described base is combined on the upper surface of described frame sidewall.
10. an earphone, comprises earphone outer covering, it is characterized in that, contains the earphone horn described in any one of claim 1 to 9 claim in described earphone outer covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058104.8U CN204350255U (en) | 2015-01-27 | 2015-01-27 | Earphone horn and be provided with the earphone of these loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058104.8U CN204350255U (en) | 2015-01-27 | 2015-01-27 | Earphone horn and be provided with the earphone of these loudspeaker |
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| CN204350255U true CN204350255U (en) | 2015-05-20 |
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| CN201520058104.8U Active CN204350255U (en) | 2015-01-27 | 2015-01-27 | Earphone horn and be provided with the earphone of these loudspeaker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602156A (en) * | 2015-01-27 | 2015-05-06 | 歌尔声学股份有限公司 | Earphone speaker and earphone with speaker |
| CN106454567A (en) * | 2015-08-10 | 2017-02-22 | 固昌通讯股份有限公司 | Earphone microphone |
| CN110958519A (en) * | 2019-11-22 | 2020-04-03 | 歌尔股份有限公司 | Active noise reduction acoustic unit and sound production monomer |
-
2015
- 2015-01-27 CN CN201520058104.8U patent/CN204350255U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602156A (en) * | 2015-01-27 | 2015-05-06 | 歌尔声学股份有限公司 | Earphone speaker and earphone with speaker |
| CN106454567A (en) * | 2015-08-10 | 2017-02-22 | 固昌通讯股份有限公司 | Earphone microphone |
| CN110958519A (en) * | 2019-11-22 | 2020-04-03 | 歌尔股份有限公司 | Active noise reduction acoustic unit and sound production monomer |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |