CN206181362U

CN206181362U - Sounding device

Info

Publication number: CN206181362U
Application number: CN201621166672.0U
Authority: CN
Inventors: 秦鹏
Original assignee: AAC Acoustic Technologies Shenzhen Co Ltd
Current assignee: AAC Technologies Holdings Shenzhen Co Ltd
Priority date: 2016-10-25
Filing date: 2016-10-25
Publication date: 2017-05-17
Anticipated expiration: 2026-10-25

Abstract

The utility model provides a sounding device, including the epitheca, with the epitheca block and rather than the inferior valve that forms accommodating space jointly and set up in speaker monomer in the accommodating space, the speaker monomer is including the vibrating diaphragm that is used for the vibration sound production, vibrating diaphragm and just right the epitheca interval of vibrating diaphragm forms the preceding operatic tunes, the inferior valve with it will to form between the epitheca the preceding operatic tunes and the external play sound channel who communicates, the preceding operatic tunes with it constitutes jointly to go out sound channel sounding device's ante -chamber, on the inferior valve with the position that play sound channel corresponds has been seted up and has been run through inferior valve and intercommunication ante -chamber and at least one external leak hole, sounding device is still including locating cover on the inferior valve leak hole's sound absorption piece. Compared with the prior art, the utility model discloses a sounding device's listening quality is higher.

Description

Microphone device

Technical field

The utility model is related to a kind of microphone device, more particularly to a kind of microphone device in electronic installation.

Background technology

As electric consumers are thinned increasingly, such as mobile phone, the sound of the audio amplifier of panel computer portable electric appts Cavity configuration is gradually changed into side and speaks mode by the just mode of speaking.

The microphone device of correlation technique includes the casing and the loudspeaker list being placed in the receiving space of tool receiving space Body, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, and the casing surrounds ante-chamber, the casing bag with the vibrating diaphragm The side wall for including diapire and extending from the diapire, the microphone device is provided with the passage of speaking arranged through the side wall, described Passage of speaking is connected with the ante-chamber.

However, when outlet sound mouth has larger resistance or pipeline of speaking has larger damping, such as whole machine environment, intermediate frequency distortion Can raise, have a strong impact on listening quality, simultaneously because ante-chamber resonance, can amplify radio-frequency component and high-frequency noise, affect sense of hearing.

Therefore, it is necessary to provide a kind of new microphone device solve the above problems.

Utility model content

The utility model technical issues that need to address are to provide a kind of higher microphone device of listening quality.

To solve above-mentioned technical problem, the utility model provides a kind of microphone device, including upper casing engages with the upper casing And form the lower casing and the loudspeaker monomer that is arranged in the receiving space of receiving space, the loudspeaker monomer together Including the vibrating diaphragm for vibration sounding, the vibrating diaphragm is spaced to form the front operatic tunes with just to the upper casing of the vibrating diaphragm, the lower casing with The passage of speaking that the front operatic tunes is in communication with the outside is formed between the upper casing, the front operatic tunes is common with the passage of speaking The ante-chamber of the microphone device is constituted, position corresponding with the passage of speaking is offered through the lower casing simultaneously on the lower casing At least one leak of the ante-chamber and the external world is connected, the microphone device also includes on the lower casing and covers described The sound absorption part of leak.

Preferably, the lower casing includes the side wall be arrangeding in parallel with the diaphragm oscillations direction, is respectively perpendicular to the side Wall simultaneously arranged in parallel first encloses body and second and encloses body and enclose body towards the receiving space by described second Extend the measurements of the chest, waist and hips zoarium for being formed, the measurements of the chest, waist and hips are fit relative with the upper casing, and the side wall offers outlet sound mouth.

Preferably, the upper casing include the it is all around fit and described all around zoarium be arranged in parallel and for described in clamping The fixed part of loudspeaker monomer and connect the fixed part connection wall all around fit with described the, described all around fit, Connection wall and fixed part surround a communicating passage jointly, and the communicating passage connects the front operatic tunes and the passage of speaking.

Preferably, all around fit parallel with described first encloses the mutual clamping of body phase and both inner surface, the institute State fixed part to abut with measurements of the chest, waist and hips zoarium, the upper surface of the fixed part is concordant with the upper surface that the measurements of the chest, waist and hips are fit； Described the is all around fit, first enclose body, side wall, second enclose body and measurements of the chest, waist and hips zoarium define jointly it is described speak it is logical Road.

Preferably, the leak holes run through and are opened on the measurements of the chest, waist and hips zoarium.

Preferably, the sound absorption part is arranged on the outside of the leak, internal or inner side.

Preferably, the lower casing is provided with groove at the leak, and the sound absorption part is contained in the groove.

Preferably, the sound absorption part is made up of mesh material.

Preferably, the sound-absorbing material is dust-proof screen cloth.

Compared with correlation technique, increased the leak for ante-chamber to be in communication with the outside to destroy the ante-chamber in lower casing The integrality of volume, reduces the ante-chamber to radio-frequency component and the amplification of high-frequency noise, while slow down the ante-chamber Interior air pressure level, when outlet sound mouth has larger resistance or damping, reduces in the ante-chamber and causes defeated because of air nonlinearity There is the amplitude of fluctuation in the sound for going out, improves the stability of the sound of the loudspeaker enclosure output；Sound absorption part is set to cover Cover the leak to absorb higher hamonic wave, it is to avoid crosstalk of the leak to the outlet sound mouth, it is ensured that described to raise one's voice Device case exports the high tone quality of sound, furthermore, it is possible to pass through sound absorption part be adjusted to leak size, reduces to leak chi Very little requirement, reduces the difficulty of processing for making the leak, simplifies the manufacture craft of the loudspeaker enclosure.

Microphone device of the present utility model has leakage structure, it is possible to reduce the impact that air nonlinearity brings, and plays The effect of pressure；In addition, the leakage structure can weaken resonance, and with preferable acoustically effective, therefore, with more preferable audition Quality.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the utility model microphone device；

Fig. 2 is the top view of microphone device in Fig. 1；

The stereochemical structure exploded view of Fig. 3 microphone devices shown in Fig. 1；

Fig. 4 is the generalized section of the line C-C along Fig. 2；

Fig. 5 is enlarged diagram at P in Fig. 4；

Fig. 6 is the assembling schematic diagram of the upper casing of microphone device shown in Fig. 1 and loudspeaker monomer；

Fig. 7 is generalized section of the microphone device along line A-A along Fig. 2；

Fig. 8 is the enlarged diagram in Fig. 7 at B.

Specific embodiment

Below in conjunction with drawings and embodiments, the utility model is described in further detail.

Fig. 1-3 are referred to, the utility model provides a kind of microphone device 100, including upper casing 10, lower casing 20 and loudspeaker list Body 30.Upper casing 10 is mutually clamped to form a receiving space with lower casing 20, and the loudspeaker monomer 30 is housed in the receiving space, Microphone device of the present utility model 100 is side sounding loudspeaker, and it is formed with sound mouth 200 in the side wall 21 of lower casing 20.

With reference to Fig. 4, upper casing 10 includes base 11 and extends to the sidepiece 13 of the lower casing 20 by the edge of the base 11. Lower casing 20 engages with the upper casing, so as to form receiving space.Loudspeaker monomer 30 by the receiving space be separated into back cavity 105 with Ante-chamber 103.Loudspeaker monomer 30 includes the vibrating diaphragm 31 for vibration sounding, and the loudspeaker monomer 30 is arranged on the lower casing 20 Diapire on, the operatic tunes 101 before making the vibrating diaphragm 31 and just being formed to the upper casing 10 of the vibrating diaphragm 51 interval.Upper casing 10 and lower casing 20 Between form the passage 102 of speaking that the front operatic tunes 101 is in communication with the outside, the front operatic tunes 101 and the passage 102 of speaking Collectively form the ante-chamber 103 of the microphone device 100.Lower casing 20 is offered through lower casing with the corresponding position of passage 102 of speaking 20 leak 220.Sound absorption part 221 is coated with leak 220.Sound absorption part 221 is made up of net, such as dust-proof screen cloth.

With reference to Fig. 5 and Fig. 6, the lower casing 20 includes offering the side wall of sound mouth 200, is respectively perpendicular to the side wall simultaneously Arranged in parallel first encloses body 25 and second and encloses body 23 and enclose body 23 towards the collecting sky by described second Between extend the measurements of the chest, waist and hips zoarium 24 of formation.Preferably, the measurements of the chest, waist and hips zoarium 24 encloses body 23 perpendicular to second.Second encloses body The bearing of trend of 23 inner surface (towards the first surface for enclosing body 25) is parallel to the described first inner surface (court for enclosing body 25 To the second surface for enclosing body 23) bearing of trend.

The upper casing 10 is included for surrounding the of passage 102 of speaking all around fit 11 and described the with the lower casing 20 All around fit 11 be arranged in parallel and with positioned at the fixed part 12 between the loudspeaker monomer 30 and the measurements of the chest, waist and hips zoarium 24 with And connecting portion 12 and all around fit 11 connection wall 13.The connection wall 13, all around fit 11 and fixed part 12 it is common It is same to enclose a communicating passage 100.Described all around fit 11 encloses the mutual clamping of body 25 and both interior tables with described first (i.e. towards the second surface for enclosing body 23) is parallel in face, it is preferable that both inner surfaces are concordant.The one end of the fixed part 12 with The clamping of the loudspeaker monomer 30, measurements of the chest, waist and hips described in the other end fit 24 are abutted, and the upper surface of fixed part 12 is (i.e. towards all around Fit 11 surface) it is concordant with the upper surface of measurements of the chest, waist and hips zoarium 24.Communicating passage 100 respectively with the front operatic tunes 10 and passage of speaking 102 are connected.

After the assembling of upper casing 10 and lower casing 20, all around fit 11, first enclose body 25, side wall, second enclose body 23 and Measurements of the chest, waist and hips zoarium 24 defines passage 102 of speaking jointly.Communicating passage 20 is used to connect the front operatic tunes 101 and passage 102 of speaking.By The straight setting of passage 102 of speaking of this formation and the vibration for extending perpendicularly to the vibrating diaphragm 31 of the passage 102 of speaking Direction is arranged so as to go out sound flexibly, and it is good to go out sound effective value, wherein, the bearing of trend for speaking passage 7 is along the sender 6 The direction being in communication with the outside.

It is appreciated that the outlet sound mouth 200 can also be opened in the sidepiece 13 of the upper casing 10, as long as itself and the front sound Chamber 101, the passage 102 of speaking are connected.

See also Fig. 7 and Fig. 8, the leak holes 220 through being opened on the measurements of the chest, waist and hips zoarium 23, the leakage Passage 102 is spoken and the front operatic tunes 101 is connected in hole 220 with described, and is in communication with the outside, the section chi of the leak 220 The very little sectional dimension less than the outlet sound mouth 200.The microphone device 100 also include sound absorption part 221, the 3rd of the lower casing 30 the Enclose body 23 and fluted 21 are opened up at the leak 310, the sound absorption part 221 is housed in the groove 21, so as to cover It is located on the outside of the leak 220, it is made up of net, such as dust-proof screen cloth.

It is appreciated that the leak 220 can also be opened on upper casing 10, and with the front operatic tunes 101 and it is described go out Sound passage 102 is connected；The sound absorption part 221 can also be arranged on the inside or inner side of the leak 220, also can be by other suctions Sound material is made；The quantity of the leak 220 can be two or more, and accordingly, the quantity of the sound absorption part 221 can Think two or more；The shape of the leak 220 is simultaneously unrestricted, such as circular, square, triangle or other irregular shapes Shape.

Microphone device of the present utility model 100 adopts the leakage structure of the leak 220 and the sound absorption part 221, when When outlet sound mouth 220 has larger resistance or damping, it is possible to reduce the impact that air nonlinearity brings, while mitigate vibrating diaphragm 31 wave, So as to play a part of to press；In addition, the leakage structure destroys the integrality of the ante-chamber 103, resonance is reduced, weakened Its amplification.It is described sound absorption part to 221 sound waves from the leak 220 out, especially higher hamonic wave, with preferable Acoustically effective, therefore the crosstalk of 220 pairs of outlet sound mouths 200 of the leak can be reduced.Meanwhile, the sound absorption part 221 The size of the leak 220 can be adjusted, reduce the leak 220 to dimensional requirement, be that technique makes band To facilitate.Therefore, microphone device of the present utility model 100 has higher listening quality.

Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in Other related technical fields, are included in the same manner in scope of patent protection of the present utility model.

Claims

1. a kind of microphone device, including upper casing engages and is formed together lower casing and the setting of receiving space with the upper casing Loudspeaker monomer in the receiving space, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, the vibrating diaphragm with Just the upper casing of the vibrating diaphragm is spaced to form the front operatic tunes, it is characterised in that being formed between the lower casing and the upper casing will be described What the front operatic tunes was in communication with the outside speak passage, the front operatic tunes is collectively formed before the microphone device with the passage of speaking Chamber, offers through the lower casing and connects at least one leak of the ante-chamber and the external world, the sounding on the lower casing Device also includes on the lower casing and covers the sound absorption part of the leak.

2. microphone device according to claim 1, it is characterised in that the lower casing includes flat with the diaphragm oscillations direction Side wall that row is arranged, it is respectively perpendicular to the side wall and arranged in parallel first encloses body and second and enclose body and by institute State second to enclose body to extend the measurements of the chest, waist and hips to be formed towards the receiving space fit, the measurements of the chest, waist and hips are fit with the upper shell phase Right, the side wall offers outlet sound mouth.

3. microphone device according to claim 2, it is characterised in that the upper casing includes that all around fit and described the All around zoarium be arranged in parallel and the fixed part for loudspeaker monomer described in clamping and the connection fixed part and the described 4th Enclose the connection wall of body, described all around fit, connection wall and fixed part surround a communicating passage, the communicating passage jointly Connect the front operatic tunes and the passage of speaking.

4. microphone device according to claim 3, it is characterised in that described all around fit encloses body phase with described first Mutually clamping and both inner surfaces are parallel, the fixed part is abutted with measurements of the chest, waist and hips zoarium, the upper surface of the fixed part It is concordant with the upper surface that the measurements of the chest, waist and hips are fit；Described the is all around fit, first encloses body, side wall, second encloses body and the Measurements of the chest, waist and hips zoarium defines the passage of speaking jointly.

5. microphone device according to claim 4, it is characterised in that the leak holes are enclosed through being opened in the described 3rd On body.

6. microphone device according to claim 1, it is characterised in that the sound absorption part is arranged on the outer of the leak Side, inside or inner side.

7. microphone device according to claim 6, it is characterised in that the lower casing is provided with groove at the leak, The sound absorption part is contained in the groove.

8. microphone device according to claim 6, it is characterised in that the sound absorption part is made up of mesh material.

9. microphone device according to claim 8, it is characterised in that the sound-absorbing material is dust-proof screen cloth.