CN207382508U - Microphone packaging scheme and earphone - Google Patents

Microphone packaging scheme and earphone Download PDF

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Publication number
CN207382508U
CN207382508U CN201721523173.7U CN201721523173U CN207382508U CN 207382508 U CN207382508 U CN 207382508U CN 201721523173 U CN201721523173 U CN 201721523173U CN 207382508 U CN207382508 U CN 207382508U
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China
Prior art keywords
microphone
sound
package cover
hole
sound chamber
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CN201721523173.7U
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Chinese (zh)
Inventor
孙啟凯
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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Priority to CN201721523173.7U priority Critical patent/CN207382508U/en
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Abstract

The utility model discloses a kind of microphone packaging scheme and earphones, the microphone packaging scheme includes package cover and the microphone being arranged in the package cover, there is sound chamber inside the package cover, the microphone is arranged on the sound intracavitary, the sound chamber is divided into two parts, respectively the first sound chamber and the second sound chamber offer the first pickup hole connected with the first sound chamber and the second pickup hole connected with the second sound chamber in the package cover.The microphone packaging scheme of the utility model, two sidetone chamber of microphone form two relatively independent sound chambers, realize both sides pickup, pickup effect is good.

Description

Microphone packaging scheme and earphone
Technical field
The utility model is related to microphone techniques fields, are to be related to a kind of microphone packaging scheme and Mike specifically Wind terminal installation.
Background technology
Microphone is the energy converter that voice signal is converted to electric signal, recently as the hair at full speed of electronic technology Exhibition, microphone are also widely used in portable.Microphone is as the core member for realizing call function Part, the good microphone acoustic sound chamber design of uniformity play key effect to speech quality.General microphone sound chamber is designed as The acoustics sound chamber of one independent closed, as shown in Figure 1, being designed for current microphone sound chamber, including package cover 21, package cover 21 Inside sets microphone 22, and 22 one side of microphone is sound chamber 23, is in communication with the outside and receives sound, in addition one by 25 envelope of end socket It is stifled, it opens up to hold the threading hole that cored wire 24 passes through on end socket 25.It is external since the sound chamber only one side of microphone is provided with pickup hole Sound enters sound chamber by the pickup hole and carries out pickup by microphone, and the mode that unilateral side opens up pickup hole can only be picked up from a side The sound come in transmission, when the distance of sound source to microphone is consistent, no matter sound source is located at which orientation of microphone, Mike Wind picks up the sound that sound effect is the same namely this kind of mode is picked up and does not have direction feeling, for user experience For, it will it has a greatly reduced quality.
The content of the invention
The utility model can only orient pickup sound to solve the sound chamber of existing microphone packaging scheme, the sound picked up Sound does not have the technical issues of azimuth information, it is proposed that a kind of microphone packaging scheme can solve the above problems.
In order to solve the above-mentioned technical problem, the utility model is achieved using following technical scheme:
A kind of microphone packaging scheme, including package cover and the microphone being arranged in the package cover, the package cover Inside has cavity, and the microphone is arranged in the cavity, and the cavity is divided into two parts, is respectively the first sound chamber With the second sound chamber, offer in the package cover the first pickup hole for being connected with the first sound chamber and with the second sound chamber Second pickup hole of connection.
Further, the pilot hole connected with the cavity is offered in the package cover, the microphone passes through described Pilot hole is inserted into the cavity.
Further, the outlet hole connected with the first sound chamber or the second sound chamber is further opened in the package cover.
Further, the first pickup hole and the second pickup hole are located at respectively on two opposite faces of the package cover.
Further, the first pickup hole is located on the upper surface of the package cover, and the second pickup hole is located at institute It states on the lower face of package cover.
Further, the external circumferential in the first pickup hole and/or the second pickup hole is formed with the first convex ribs.
Further, first convex ribs are closing structure.
Further, at least one of second convex ribs are circumferentially formed on the outer surface of the surrounding side wall of the package cover.
Further, the outlet hole is opened on the side wall of the package cover, and second convex ribs have twice, described Outlet hole is located between the second convex ribs of twice.
The utility model proposes a kind of microphone terminal device simultaneously, including shell, is set in the shell just like preceding Face any one of them microphone packaging scheme.
Compared with prior art, the advantages of the utility model and good effect is:The microphone package knot of the utility model Structure, two sidetone chamber of microphone form two relatively independent sound chambers, and each sound chamber all has corresponding pickup hole, realizes both sides Pickup, sound source, which makes a sound, to be entered respectively from both direction in corresponding sound chamber, gathered respectively by microphone, when sound source arrives When the distance of microphone is consistent, when sound source is located at the orientation difference of microphone, sound into each sound chamber acoustic pressure difference also it is corresponding not Together, azimuth information is just carried according in the corresponding sound effect of difference of acoustic pressure difference, improves user experience effect.In addition, This programme can also by adjusting two sidetone cavity volumes, and then by obtain two sound chamber different volume ratios when sound performance Or sound effect, seek prioritization scheme, it is convenient that sound chamber is optimized, be conducive to improve speech quality.
After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantages of the utility model It will become clearer.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is existing microphone packaging scheme schematic diagram;
Fig. 2 is a kind of example structure schematic diagram for the microphone packaging scheme that the utility model is proposed;
Fig. 3 is the cross section view of Fig. 2;
Fig. 4 is the inversion state schematic diagram of Fig. 2;
A kind of example structure schematic diagram for the microphone terminal device that Fig. 5 the utility model is proposed.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment belongs to the scope of protection of the invention.
It is unreasonable in order to solve the design of existing microphone sound chamber, receive the technical issues of sound quality is poor, it is proposed that one Kind microphone packaging scheme, by setting a sound chamber respectively in the both sides of microphone, sound letter can be received by realizing its both sides Number, the unidirectivity simulation microphone for two-way pickup of arranging in pairs or groups, the sound picked up carries azimuth information, moreover, passing through adjusting The installation site of microphone can adjust the volume ratio of two sidetone chamber of microphone, so that the realization of its acoustical behavior is controllable, It is convenient that sound chamber is optimized, the quality for receiving voice signal is further improved, and then better call can be provided to the user Quality.This programme will be described in detail with a specific embodiment below.
Embodiment one, the present embodiment propose a kind of microphone packaging scheme, as shown in figs 2-4, including package cover 11 With the microphone 12 being arranged in package cover 11,11 inside of package cover has cavity, and microphone 12 is set in the cavity, by cavity It is divided into two parts, is respectively the first sound chamber 13 and the second sound chamber 14, offers what is connected with the first sound chamber 13 in package cover 11 First pickup hole 11a and the second pickup hole 11b connected with the second sound chamber 14.The microphone packaging scheme of the present embodiment, wheat 12 liang of sidetone chambers of gram wind form two relatively independent sound chambers, realize both sides pickup, sound source makes a sound can be respectively from two A direction enters in corresponding sound chamber, is gathered respectively by microphone, when the distance of sound source to microphone is consistent, sound source is located at wheat The orientation of gram wind is different, and the acoustic pressure difference of sound into two sound chambers is also corresponding different, according to the corresponding sound of difference of acoustic pressure difference Azimuth information is just carried in effect, improves user experience effect.First pickup hole 11a and the second pickup hole 11b is to pass through Through hole can respectively connect with two sound chambers the external world, external sound by the first pickup hole 11a and the second pickup hole 11b into Enter in corresponding sound chamber, gathered by microphone 12.
It is formed since the first sound chamber 13 and the second sound chamber 14 are separated by microphone 12, by adjusting two sidetone cavity volumes, into And by getting sound performance or sound effect during two different volume ratios of sound chamber, seek prioritization scheme, convenience pair Sound chamber optimizes, and is conducive to improve speech quality.
Microphone 12 is set in order to facilitate assembling, the assembling connected with 11 internal cavity of package cover is offered in package cover 11 Hole 11c, pilot hole 11c are through hole, and microphone 12 is inserted into through pilot hole 11c in 11 internal cavity of package cover.Package cover The cross section of 11 internal cavities is adapted with the cross section of microphone 12, and microphone 12 is after being assembled in cavity, microphone 12 Surrounding and the inner wall of cavity abut against, cavity can be isolated into two independent sealed sound chambers so that two sound chambers are opposite Independent to carry out pickup, microphone 12, which is respectively facing the first sound chamber 13 and two faces of the second sound chamber 14, can carry out pickup.
Package cover 11 is preferably realized using the material with certain extension shrinkage, such as rubber sleeve, such as gum cover, a side Face can improve the stickiness of microphone 12 and package cover 11, can be fitted closely with the inner wall of cavity, still further aspect Play the role of microphone 12 convenient for assembly, can either enter to meet microphone through pilot hole 11c in cavity, seal simultaneously Encapsulation 11 plays a supporting role to the microphone after assembling so that microphone easily can't come off from pilot hole 11c Come, therefore, when microphone passes through pilot hole 11c, pilot hole generates certain deformation and microphone is obtained through, in Mike For wind completely into after in cavity, pilot hole bounces back to original state, can support microphone.
Since microphone 12 is an electricity component, it is used to physical sound signal being converted to electric signal and is sent to it His electronic device(Such as audio processing modules), therefore, microphone 12 is connected by conducting wire with external electrical device, package cover 11 On be further opened with the outlet hole 11d connected with the first sound chamber 13 or the second sound chamber 14, for being pierced by conducting wire to outside.Outlet Hole 11d can independently other through holes be set, and same hole can also be shared with pilot hole 11c, is rationally set according to actual needs It puts.
In order to maximumlly improve sound collection scope, the first pickup hole 11a and the second pickup hole 11b are located at encapsulation respectively It covers on two opposite faces, as shown in Fig. 2, the first pickup hole 11a is opened on the upper surface of package cover 11 in the present embodiment, the Two pickup hole 11b are opened on the lower face of package cover 11, therefore, the pickup side of the first pickup hole 11a and the second pickup hole 11b To in 180 ° of angles, the angular range of acquisition sound is maximum at this time, and pickup effect is also corresponding best.Certainly, the first pickup hole 11a It is not limited to be opened on two faces of package cover 11 shown in Fig. 1 with the second pickup hole 11b, opposite two can also be arranged on On side.
When this package module is particularly applicable on electric terminal, it is also necessary to by package module assembling inside the shell, play The effect of internal microphone is protected, in order to enable pickup hole can be fitted closely with shell, prevents that sound can not be completely into Sound chamber reduces pickup effect, and the external circumferential of preferably the first pickup hole 11a and the second pickup hole 11b are formed in the present embodiment First convex ribs 15, package cover 11 are interference fitted after being assembled in shell by the inner wall of the first convex ribs 15 and shell, are protected Having demonstrate,proved two pickup holes and shell can fit closely.
As a preferred embodiment, the first convex ribs 15 are around the one of the first pickup hole 11a or the second pickup hole 11b The interference fit of the inner wall of the closing structure that week is set, this kind of structure and shell is best, and leakproofness is also corresponding best.
At least one of second convex ribs 16, the second convex ribs 16 are circumferentially formed on the outer surface of the surrounding side wall of package cover 11 The madial wall of the peripheral wall and shell that can play the role of package cover 11 is interference fitted, and is sealed.
Preferably outlet hole 11d is opened on the side wall of package cover 11 in the present embodiment, the second convex ribs 16 have at this time Twice, outlet hole 11d are located between the second convex ribs of twice 16, at this point, the second convex ribs of twice 16 can also be played to outlet hole 11d The effect being sealed prevents that external sound from entering from the gap between outlet hole 11d and shell in shell and influences sound chamber and picks up Timbre matter.
As a same reason, in order to improve the leakproofness at pilot hole 11c, the side of pilot hole 11c is correspondingly provided with the 3rd Convex ribs 17.
Embodiment two, the present embodiment propose a kind of earphone, as shown in figure 5, including shell 2, Mike is provided in shell 2 Wind encapsulating structure 1, the microphone packaging scheme 1 can be found in shown in Fig. 2-Fig. 4, including package cover 11 and be arranged in package cover 11 Microphone 12, the inside of package cover 11 has cavity, and microphone 12 is set in the cavity, separates the cavity into two parts, respectively For the first sound chamber 13 and the second sound chamber 14, offered in package cover 11 the first pickup hole 11a for being connected with the first sound chamber 13 and The the second pickup hole 11b connected with the second sound chamber 14.The other structures feature of the microphone packaging scheme 1 can be found in embodiment one Recorded, this will not be repeated here.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, It should also belong to the protection scope of the utility model.

Claims (10)

1. a kind of microphone packaging scheme, including package cover and the microphone being arranged in the package cover, it is characterised in that:Institute Stating has cavity inside package cover, the microphone is arranged in the cavity, and the cavity is divided into two parts, is respectively First sound chamber and the second sound chamber, offer in the package cover the first pickup hole for being connected with the first sound chamber and with it is described Second pickup hole of the second sound chamber connection.
2. microphone packaging scheme according to claim 1, it is characterised in that:It is offered in the package cover and the chamber The pilot hole of body connection, the microphone are inserted by the pilot hole in the cavity.
3. microphone packaging scheme according to claim 1, it is characterised in that:Be further opened in the package cover with it is described First sound chamber or the outlet hole of the second sound chamber connection.
4. microphone packaging scheme according to claim 1, it is characterised in that:The first pickup hole and the second pickup hole It is located at respectively on two opposite faces of the package cover.
5. microphone packaging scheme according to claim 4, it is characterised in that:The first pickup hole is located at the encapsulation On the upper surface of set, the second pickup hole is located on the lower face of the package cover.
6. according to claim 1-5 any one of them microphone packaging schemes, it is characterised in that:The first pickup hole and/ Or second the external circumferential in pickup hole be formed with the first convex ribs.
7. microphone packaging scheme according to claim 6, it is characterised in that:First convex ribs are closing structure.
8. microphone packaging scheme according to claim 3, it is characterised in that:The appearance of the surrounding side wall of the package cover At least one of second convex ribs are circumferentially formed on face.
9. microphone packaging scheme according to claim 8, it is characterised in that:The outlet hole is opened in the package cover Side wall on, second convex ribs have twice, and the outlet hole is located between the second convex ribs of twice.
10. a kind of earphone, it is characterised in that:Including such as claim 1-9 any one of them microphone packaging scheme.
CN201721523173.7U 2017-11-15 2017-11-15 Microphone packaging scheme and earphone Active CN207382508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721523173.7U CN207382508U (en) 2017-11-15 2017-11-15 Microphone packaging scheme and earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721523173.7U CN207382508U (en) 2017-11-15 2017-11-15 Microphone packaging scheme and earphone

Publications (1)

Publication Number Publication Date
CN207382508U true CN207382508U (en) 2018-05-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721523173.7U Active CN207382508U (en) 2017-11-15 2017-11-15 Microphone packaging scheme and earphone

Country Status (1)

Country Link
CN (1) CN207382508U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109480896A (en) * 2018-10-19 2019-03-19 北京源动数字健康科技有限公司 A kind of healthy real-time monitoring device and monitoring method with sound cavity microphone array
CN109889967A (en) * 2019-03-28 2019-06-14 百度在线网络技术(北京)有限公司 Microphone and intelligent sound equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109480896A (en) * 2018-10-19 2019-03-19 北京源动数字健康科技有限公司 A kind of healthy real-time monitoring device and monitoring method with sound cavity microphone array
CN109889967A (en) * 2019-03-28 2019-06-14 百度在线网络技术(北京)有限公司 Microphone and intelligent sound equipment

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