CN204539457U - Center noise reduction speaker structure - Google Patents
Center noise reduction speaker structure Download PDFInfo
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- CN204539457U CN204539457U CN201520255359.3U CN201520255359U CN204539457U CN 204539457 U CN204539457 U CN 204539457U CN 201520255359 U CN201520255359 U CN 201520255359U CN 204539457 U CN204539457 U CN 204539457U
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- noise reduction
- central
- upper cover
- pedestal
- vibrating diaphragm
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Abstract
一种中心降噪喇叭结构，包含一喇叭单体、一上盖、一座体及一麦克风，喇叭单体包含一振膜，振膜的中心开设有一中央透孔，上盖盖合于座体上，并将喇叭单体夹设于上盖与座体之间，上盖包含有一中央固定架，中央固定架穿入振膜的中央透孔，麦克风组设于中央固定架，并位于中央透孔内部，从而藉由设置麦克风的接收杂讯，以主动式反向器消除杂讯外，更通过中央透孔的开设，提升振膜的振动幅度及振动速度进而提升整体的信噪比，达到更优化的声音分辨率，此外，由于麦克风是位于喇叭单体内部，能缩减结构体积，并简化工艺的工序。
A central noise reduction speaker structure includes a speaker unit, an upper cover, a base and a microphone. The speaker unit includes a diaphragm with a central through hole in the center of the diaphragm. The upper cover is closed on the base and the speaker unit is clamped between the upper cover and the base. The upper cover includes a central fixing frame that penetrates the central through hole of the diaphragm. The microphone is arranged on the central fixing frame and is located inside the central through hole. In addition to eliminating the noise received by the microphone through an active inverter, the vibration amplitude and vibration speed of the diaphragm are increased through the opening of the central through hole, thereby improving the overall signal-to-noise ratio and achieving a more optimized sound resolution. In addition, since the microphone is located inside the speaker unit, the structure volume can be reduced and the process steps can be simplified.
Description
Technical field
The utility model relates to horn structure field, particularly relates to a kind of center noise reduction horn structure.
Background technology
For business people or the race that travels frequently of preferred music, take popular traffic, aircraft or when crowded environment listoning music, easily because the noise jamming parsing of sound, feeling of making to listen to is affected.In addition, under noisy environment, usually need to promote volume and just listen clear, thus easily cause the damage of hearing.
To this, the mechanism blocking noise especially needs for this kind of user.Traditionally, common mode comprises the mechanism that active or passive type two kinds blocks noise.Passive type is also called physically, when being installed in earphone, mainly by the mode with earmuff or earplug, blocking noise and entering duct.But its key blocked of passive type anti-noise earphone is the material of earphone case, therefore, passive type anti-noise earphone overall structure can be comparatively thick and heavy, and this kind of passive type is for the noise of low frequency, it is poor that the sound as engine, boring blocks ability, has its geneogenous defect.
Actively be also called electronic type, abate the noise by the combination arranging microphone and negater circuit.In general, active anti-noise earphone microphone is arranged at position close to duct to receive ambient noise and amplifying signal, and produce the signal contrary with noise sound wave phase place with negater circuit, eliminate with destruction interference the original ambient noise that can hear of person of wearing earphone.In general, active anti-noise effect is good compared with passive type.
Current active anti-noise loudspeaker or earphone institute problems faced, usually be in the ante-chamber that microphone is arranged between bass monomer and loudspeaker housing usually, in order to set up microphone and fix, need to arrange retaining element or Connection Block, and in order to install microphone, the space requirement of ante-chamber increases.Thus.Be difficult to the volume reducing unitary construction, and the operation of entirety is comparatively complicated, cost of manufacture is also higher.
Utility model content
Main purpose of the present utility model is to provide a kind of center noise reduction horn structure.Center noise reduction horn structure comprises a horn single body, a pedestal, a upper cover and a microphone.Pedestal group is provided with horn single body.Upper cover is covered on pedestal, and is located between upper cover and pedestal by horn single body.Upper cover includes a central fixed mount, and central fixed mount penetrates the central open-work of vibrating diaphragm.Microphone is mounted on central fixed mount, and it is inner to be positioned at central open-work.
Another main purpose of the present utility model is to provide another kind of center noise reduction horn structure.Center noise reduction horn structure comprises horn single body, load bearing seat and microphone.Horn single body comprises a vibrating diaphragm, and the center of vibrating diaphragm offers a central open-work.Load bearing seat carrying horn single body, load bearing seat has a central fixed mount, and central fixed mount penetrates in the central open-work of vibrating diaphragm.Microphone is mounted on central fixed mount and is positioned at central open-work.
For reaching above-mentioned purpose, the utility model provides a kind of center noise reduction horn structure, and it comprises:
One horn single body, comprises a vibrating diaphragm, and the center of this vibrating diaphragm offers a central open-work;
One pedestal, group is provided with this horn single body
One upper cover, is covered on this pedestal, and is located between this upper cover and this pedestal by this horn single body, and wherein this upper cover includes a central fixed mount, and this central fixed mount penetrates this central open-work of this vibrating diaphragm; And
One microphone, is mounted on this central fixed mount, and it is inner to be positioned at this central open-work.
Above-mentioned center noise reduction horn structure, wherein this pedestal comprises an outer ring seat, and this upper cover comprises an outer ring stand, and this outer ring stand connects with corresponding group of this outer ring seat.
Above-mentioned center noise reduction horn structure, wherein the outer rim of this vibrating diaphragm is located between this outer ring stand and this outer ring seat.
Above-mentioned center noise reduction horn structure, wherein this pedestal comprises ring seat in, and this upper cover comprises ring stand in, and this interior ring stand connects with corresponding group of this interior ring seat.
Above-mentioned center noise reduction horn structure, wherein the inner edge of this vibrating diaphragm is located between this interior ring stand and this interior ring seat.
Above-mentioned center noise reduction horn structure, wherein this horn single body more comprises yoke on a lower yoke, a magnet and one, this magnetic catch to be located on this between yoke and this lower yoke, this lower yoke is arranged on this pedestal, and there is a flange to set firmly this magnet, this vibrating diaphragm also connects a voice coil loudspeaker voice coil, and this voice coil loudspeaker voice coil is positioned at the gap between this flange and this magnet.
Above-mentioned center noise reduction horn structure, wherein this horn single body is connected a circuit board with this microphone electric, and this circuit board is installed in the bottom of this pedestal.
For reaching above-mentioned purpose, the utility model also provides a kind of center noise reduction horn structure, and it comprises:
One horn single body, comprises a vibrating diaphragm, and the center of this vibrating diaphragm offers a central open-work;
One load bearing seat, carries this horn single body, and this load bearing seat has a central fixed mount, and this central fixed mount penetrates in this central open-work of this vibrating diaphragm; And
One microphone, is mounted on this central fixed mount and is positioned at this central open-work.
Above-mentioned center noise reduction horn structure, wherein this load bearing seat comprises a pedestal and a upper cover, and this central fixed mount is arranged at this pedestal.
Above-mentioned center noise reduction horn structure, wherein this load bearing seat comprises a pedestal and a upper cover, and this central fixed mount is arranged at this upper cover.
Technical characterstic of the present utility model is by vibrating diaphragm being offered a central open-work, such that the Oscillation Amplitude of vibrating diaphragm strengthens, vibration velocity accelerates, thus more clearly can resolve audio signals.In addition, microphone is set to receive ambient noise, and to be provided with a reverser in circuit, to produce the signal contrary with noise sound wave phase place, to eliminate ambient noise with destruction interference, further improve signal to noise ratio, and reach the resolution more optimized.In addition, due to microphone is installed in central open-work by central open-work, saves the space of accommodating microphone in general ante-chamber, thus integrally-built volume can be reduced and Simplified flowsheet operation.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the explosive decomposition figure of the utility model first embodiment center noise reduction horn structure;
Fig. 2 is the cutaway view of the utility model first embodiment center noise reduction horn structure;
Fig. 3 is the cutaway view of the utility model second embodiment center noise reduction horn structure;
Fig. 4 is the explosive decomposition figure that the utility model center noise reduction horn structure and earphone outer covering combine;
Fig. 5 is the cutaway view that the utility model center noise reduction horn structure and earphone outer covering combine.
Wherein, Reference numeral
1 center noise reduction horn structure
10 horn single bodies
11 vibrating diaphragms
111 central open-works
113 inner edges
115 outer rims
12 lower yokes
121 flanges
13 voice coil loudspeaker voice coils
14 magnet
Yoke on 15
20 load bearing seats
21 upper covers
Ring stand in 211
213 outer ring stands
215 central fixed mounts
23 pedestals
Ring seat in 231
233 outer ring seats
235 central fixed mounts
30 microphones
40 circuit boards
200 earphone outer coverings
250 ante-chambers
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and operation principle are described in detail:
Consult Fig. 1 and Fig. 2, be respectively explosive decomposition figure and the cutaway view of the utility model first embodiment center noise reduction horn structure.As shown in Figures 1 and 2, the center noise reduction horn structure 1 of the utility model first embodiment comprises horn single body 10, load bearing seat 20 and a microphone 30.Horn single body 10 can be moving-coil type monomer or moving-iron type monomer, in this embodiment, for moving-coil type monomer.Horn single body 10 comprises a vibrating diaphragm 11, and the central authorities of vibrating diaphragm 11 offer a central open-work 111.Load bearing seat 20 comprises upper cover 21 and a pedestal 23.Upper cover 21 is covered on pedestal 23, pedestal 23 and horn single body 10 groups are established and be located between upper cover 21 and pedestal 23 by horn single body 10.Upper cover 21 includes a central fixed mount 215, and central fixed mount 215 penetrates the central open-work 111 of vibrating diaphragm 11.Microphone 30 is mounted on central fixed mount 215, and it is inner to be positioned at central open-work 111.
As shown in Figures 1 and 2, upper cover 21 also comprises ring stand 211 and an outer ring stand 213 in one.Pedestal 23 comprises ring seat 231 and an outer ring seat 233 in one.Interior ring stand 211 connects with corresponding group of interior ring seat 231, and central fixed mount 215 is close to interior ring seat 231.Outer ring stand 213 connects with corresponding group of outer ring seat 233.Further, the outer rim 115 of vibrating diaphragm 11 is located between outer ring stand 213 and outer ring seat 233, the inner edge 113 of vibrating diaphragm 11 adjacent central open-work 111 is located between interior ring stand 211 and interior ring seat 231.Upper cover 21 covers the surface of vibrating diaphragm 11, and the central fixed mount 215 of upper cover 21 is inner through central open-work 111.In addition, central fixed mount 215 is open column shape, and its bore can be reduced down by upper, makes microphone 30 be the tube wall being connected in central fixed mount 215.
Horn single body 10 and microphone 30 are more electrically connected to a circuit board 40.Circuit board 40 is installed in the bottom of pedestal 23.Circuit board 40 has a negative circuit, to the ambient noise that microphone receives, produces the signal contrary with noise sound wave phase place, thus eliminates ambient noise by destruction interference.In general, microphone 30 is omni-directional microphones, in order to receive the noise signal of whole cavity.
Further, horn single body 10 also comprises yoke 15 on lower yoke 12, voice coil loudspeaker voice coil 13, magnet 14 and.Voice coil loudspeaker voice coil 13 is connected to another surface of vibrating diaphragm 11, and this surface is the surface setting firmly upper cover 20 relative to vibrating diaphragm 11.Magnet 14 is located between yoke 15 and lower yoke 12.Lower yoke 12 is arranged on pedestal 23, has a flange upwards extended 121 to set firmly magnet 14.Voice coil loudspeaker voice coil 13 is positioned at the gap between flange 121 and magnet 14.Magnetic field is produced when voice coil loudspeaker voice coil 13 is subject to driven by power, and the permanent-magnetic field reciprocation produced with magnet 14 and promote vibrating diaphragm 11.
Consult Fig. 3, the cutaway view of the utility model second embodiment center noise reduction horn structure.As shown in Figure 3, the center noise reduction horn structure 1 of the utility model second embodiment comprises horn single body 10, load bearing seat 20 and a microphone 30.The structure of horn single body 10 and microphone 30 is identical with the first embodiment, is not repeating at this.
In the utility model second embodiment, be only load bearing seat 20 with the difference of the first embodiment.Load bearing seat comprises upper cover 21 and a pedestal 23.Upper cover 21 is covered on pedestal 23, and is located between upper cover 21 and pedestal 23 by horn single body 10.Pedestal 23 comprises a central fixed mount 235 upwards extended.Central authorities' fixed mount 235 penetrates in the central open-work 111 of vibrating diaphragm 11.Microphone 30 is connected in central fixed mount 235.In addition, central fixed mount 235 is open column shape, and its bore can be reduced down by upper, makes microphone 30 be the tube walls being connected in central fixed mount 235.
In practical structures, the structure of upper cover 21 and pedestal 23, and with microphone 30 groups of modes connect, can change according to the demand of reality, above explanation is only example, not in order to restriction.
Consult Fig. 4 and Fig. 5, be respectively explosive decomposition figure and cutaway view that the utility model center noise reduction horn structure and earphone outer covering combine.As shown in Figures 4 and 5, this novel center noise reduction horn structure 1 practical also can be installed in an earphone outer covering 200, to assemble formation one noise cancelling headphone.Generally speaking, center noise reduction horn structure 1 is the center being installed in earphone outer covering 200, and makes central open-work 111 aim at the duct of wearer, receives the noise in wearer duct with microphone 30.
Further, because microphone 30 is mounted on central fixed mount 215, and it is inner to be positioned at central open-work 111.In fact microphone 30 is installed among horn single body 10, in fact without the need to arranging the pedestal of any installation microphone 30 in the ante-chamber 250 between horn single body 10 and earphone outer covering 200.
The main technical characterstic of the utility model center noise reduction horn structure 1 offers a central open-work 111 at vibrating diaphragm 11, thus add the Oscillation Amplitude of vibrating diaphragm 11, and vibration and the speed of replying, thus more clearly can resolve audio signals.In addition, with the microphone 30 of the central open-work 111 of correspondence in reception ambient noise, and with negater circuit, eliminate ambient noise by destruction interference, thus improve signal to noise ratio, more optimize the resolution of sound.Further, owing to being installed in by microphone 30 in central open-work 111, without the need to arranging the space of accommodating microphone 30 in ante-chamber 250 in addition, overall volume can be reduced, and Simplified flowsheet operation.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the utility model.
Claims (10)
1. a center noise reduction horn structure, is characterized in that, comprises:
One horn single body, comprises a vibrating diaphragm, and the center of this vibrating diaphragm offers a central open-work;
One pedestal, group is provided with this horn single body
One upper cover, is covered on this pedestal, and is located between this upper cover and this pedestal by this horn single body, and wherein this upper cover includes a central fixed mount, and this central fixed mount penetrates this central open-work of this vibrating diaphragm; And
One microphone, is mounted on this central fixed mount, and it is inner to be positioned at this central open-work.
2. center according to claim 1 noise reduction horn structure, is characterized in that, this pedestal comprises an outer ring seat, and this upper cover comprises an outer ring stand, and this outer ring stand connects with corresponding group of this outer ring seat.
3. center according to claim 2 noise reduction horn structure, is characterized in that, the outer rim of this vibrating diaphragm is located between this outer ring stand and this outer ring seat.
4. center according to claim 1 noise reduction horn structure, it is characterized in that, this pedestal comprises ring seat in, and this upper cover comprises ring stand in, and this interior ring stand connects with corresponding group of this interior ring seat.
5. center according to claim 4 noise reduction horn structure, is characterized in that, the inner edge of this vibrating diaphragm is located between this interior ring stand and this interior ring seat.
6. center according to claim 1 noise reduction horn structure, it is characterized in that, this horn single body more comprises yoke on a lower yoke, a magnet and one, this magnetic catch to be located on this between yoke and this lower yoke, this lower yoke is arranged on this pedestal, and there is a flange to set firmly this magnet, this vibrating diaphragm also connects a voice coil loudspeaker voice coil, and this voice coil loudspeaker voice coil is positioned at the gap between this flange and this magnet.
7. center according to claim 1 noise reduction horn structure, it is characterized in that, this horn single body is connected a circuit board with this microphone electric, and this circuit board is installed in the bottom of this pedestal.
8. a center noise reduction horn structure, is characterized in that, comprises:
One horn single body, comprises a vibrating diaphragm, and the center of this vibrating diaphragm offers a central open-work;
One load bearing seat, carries this horn single body, and this load bearing seat has a central fixed mount, and this central fixed mount penetrates in this central open-work of this vibrating diaphragm; And
One microphone, is mounted on this central fixed mount and is positioned at this central open-work.
9. center according to claim 8 noise reduction horn structure, is characterized in that, this load bearing seat comprises a pedestal and a upper cover, and this central fixed mount is arranged at this pedestal.
10. center according to claim 8 noise reduction horn structure, is characterized in that, this load bearing seat comprises a pedestal and a upper cover, and this central fixed mount is arranged at this upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255359.3U CN204539457U (en) | 2015-04-24 | 2015-04-24 | Center noise reduction speaker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255359.3U CN204539457U (en) | 2015-04-24 | 2015-04-24 | Center noise reduction speaker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204539457U true CN204539457U (en) | 2015-08-05 |
Family
ID=53753413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255359.3U Expired - Fee Related CN204539457U (en) | 2015-04-24 | 2015-04-24 | Center noise reduction speaker structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204539457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312192A (en) * | 2019-07-30 | 2019-10-08 | 维沃移动通信有限公司 | A kind of transducing head and mobile terminal |
-
2015
- 2015-04-24 CN CN201520255359.3U patent/CN204539457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312192A (en) * | 2019-07-30 | 2019-10-08 | 维沃移动通信有限公司 | A kind of transducing head and mobile terminal |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20210424 |