CN109874082B - Mounting structure and electronic equipment of loudspeaker and microphone - Google Patents
Mounting structure and electronic equipment of loudspeaker and microphone Download PDFInfo
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- CN109874082B CN109874082B CN201910204615.9A CN201910204615A CN109874082B CN 109874082 B CN109874082 B CN 109874082B CN 201910204615 A CN201910204615 A CN 201910204615A CN 109874082 B CN109874082 B CN 109874082B
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Abstract
The invention discloses a loudspeaker and microphone mounting structure and electronic equipment, wherein the loudspeaker and microphone mounting structure comprises a microphone, a loudspeaker and a shell, the microphone is arranged on the inner side of the middle part of the shell, the loudspeaker is arranged on the inner side of the bottom of the shell, the shell is respectively provided with a microphone hole and a loudspeaker hole at the corresponding positions of the microphone and the loudspeaker, the outer surface of the shell is provided with a sound blocking part close to the loudspeaker, and the sound blocking part is used for blocking sound emitted by the loudspeaker from the loudspeaker hole from being transmitted to the microphone hole. According to the mounting structure of the loudspeaker and the microphone and the electronic equipment, the microphone and the loudspeaker are respectively arranged on the inner side of the middle part of the shell and the inner side of the bottom of the shell, the sound blocking part is arranged on the outer side surface of the shell to block a sound transmission route between the loudspeaker hole and the microphone, when sound emitted by the loudspeaker is transmitted to the side close to the microphone hole, the sound emitted by the loudspeaker is blocked by the sound blocking part and cannot be transmitted to the microphone hole, and therefore the microphone can be prevented from being interfered by the sound emitted by the loudspeaker.
Description
Technical Field
The present invention relates to the field of electronic technologies, and in particular, to a mounting structure for a speaker and a microphone, and an electronic device.
Background
Electronic devices (such as child accompanying robots) are generally provided with a microphone for receiving sound and a speaker for emitting sound, so as to enhance the user experience of the electronic devices. At present, some electronic devices generally use the same side of the casing of the microphone and the loudspeaker, so that the microphone can receive the voice of a user and feed back sound information to the user through the loudspeaker in time, and the user can more clearly receive the sound information fed back by the electronic devices. However, when the microphone and the speaker are simultaneously disposed on the same side of the housing of the electronic device, the sound emitted from the speaker easily interferes with the microphone, and therefore, the sound information received by the electronic device is inaccurate, the electronic device cannot correctly feed back the information required by the user, and the user experience of the electronic device is low.
Disclosure of Invention
The invention mainly aims to provide a loudspeaker and microphone mounting structure and electronic equipment which can prevent the microphone from being interfered by sound emitted by the loudspeaker.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a mounting structure of loudspeaker and microphone, includes microphone, loudspeaker and shell, and the shell middle part is inboard is located to the microphone, and it is inboard that shell bottom is located to loudspeaker, and the shell is equipped with microphone hole and horn hole respectively in microphone and loudspeaker department of correspondence, and the position that is close to loudspeaker on the surface of shell outside is provided with sound blocking portion, and sound blocking portion is used for blockking on loudspeaker convey the microphone hole from the sound that horn hole sent.
Furthermore, keep off sound portion for locating on the shell with the loudspeaker hole correspond the sunken on the wall, sunken including diapire and lateral wall, on the diapire was located to the loudspeaker hole, the lateral wall was around loudspeaker hole week side.
Further, one end of the portion of the side wall near the microphone hole is connected to the bottom wall, and the other end extends obliquely in a direction near the microphone.
Further, the part of the shell between the microphone hole and the horn hole is arc-shaped, and the arc-shaped part of the shell is protruded towards the outer side of the shell.
Furthermore, the microphone fixing device further comprises a small plate, the microphone is fixed on the small plate, the small plate is fixed in the shell, a fixing column is arranged in the shell, and the small plate is fixed on the fixing column.
Furthermore, a surrounding wall is convexly arranged around the periphery of the microphone hole in the shell, and one side of the microphone, which is far away from the small plate, is abutted against the surrounding wall.
Further, still including fixed box, fixed box is located in the shell, and fixed box is formed with the horn mouth in the horn hole department of correspondence, and horn is fixed in one side that the horn mouth deviates from the horn hole.
Furthermore, the fixing box is provided with an installation column on one side of the horn mouth departing from the horn hole, and the horn is fixed on the installation column.
Furthermore, a boss is formed at the position, corresponding to the small plate, of the fixing box, and one side, departing from the microphone, of the small plate is abutted to the boss.
The invention also provides electronic equipment comprising the loudspeaker and the microphone mounting structure.
According to the mounting structure of the loudspeaker and the microphone and the electronic equipment, the microphone and the loudspeaker are respectively arranged on the inner side of the middle part of the shell and the inner side of the bottom of the shell, the sound blocking part is arranged on the surface of the outer side of the shell between the loudspeaker hole and the microphone hole so as to block a sound transmission route between the loudspeaker hole and the microphone, when sound emitted by the loudspeaker is transmitted to the side close to the microphone hole, the sound is blocked by the sound blocking part and cannot be directly transmitted to the microphone hole, so that the interference of the sound emitted by the loudspeaker on the microphone can be greatly weakened, the microphone can more accurately receive external sound, the electronic equipment can make correct feedback, and the user experience of the electronic equipment is better.
Drawings
Fig. 1 is an exploded structural view of a mounting structure of a speaker and a microphone of an electronic apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a front housing of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another perspective of a front housing according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural diagram of a speaker according to an embodiment of the present invention;
FIG. 6 is a schematic view of a connection structure between a microphone and a small plate according to an embodiment of the present invention;
FIG. 7 is an exploded view of the retention cartridge in accordance with one embodiment of the present invention;
FIG. 8 is a schematic structural view of a front case according to an embodiment of the present invention;
fig. 9 is a schematic structural view of another perspective of a front case according to an embodiment of the present invention.
In the figure: 1. a microphone; 2. a horn; 21. a fixing hole; 3. a housing; 31. a front housing; 311. a microphone aperture; 312. a horn hole; 313. recessing; 3131. a bottom wall; 3132. a side wall; 314. fixing a column; 315. a positioning column; 316. enclosing a wall; 317. an internally threaded post; 318. a reinforcing plate; 32. a rear housing; 321. mounting holes; 4. a platelet; 41. connecting holes; 42. positioning holes; 5. a fixing box; 51. a front box; 511. a bell mouth; 512. mounting a column; 513. a boss; 52. and (7) a rear box.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, the mounting structure of a speaker and a microphone according to the embodiment of the present invention includes a microphone 1, a speaker 2, and a housing 3, where the microphone 1 is disposed inside a middle portion of the housing 3, the speaker 2 is disposed inside a bottom portion of the housing 3, the housing 3 is respectively provided with a microphone hole 311 and a speaker hole 312 at positions corresponding to the microphone 1 and the speaker 2, and a sound blocking portion is disposed on an outer surface of the housing 3 near the speaker 2 and used for blocking sound emitted from the speaker hole 312 by the speaker 2 from being transmitted to the microphone hole 311.
In the mounting structure of the horn and the microphone, the microphone 1 and the horn 2 are respectively arranged on the inner side of the middle part of the shell 3 and the inner side of the bottom part of the shell 3, and the sound blocking part is arranged on the surface of the outer side of the shell 3 between the horn hole 312 and the microphone hole 311 so as to block a sound propagation route between the horn hole 312 and the microphone 1, when sound emitted by the horn 2 is propagated to the side close to the microphone hole 311, the sound can be blocked by the sound blocking part and cannot be directly propagated to the microphone hole 311, so that the interference of the sound emitted by the horn 2 on the microphone 1 can be greatly weakened, and the microphone 1 can more accurately receive the external sound.
Referring to fig. 2, in an embodiment, the sound blocking portion is a recess 313 formed in a wall surface of the housing 3 corresponding to the speaker hole 312, the recess 313 includes a bottom wall 3131 and a side wall 3132, the speaker hole 312 is formed in the bottom wall 3131, and the side wall 3132 surrounds the speaker hole 312. By providing the recess 313 in the housing 3 and disposing the speaker hole 312 on the bottom wall 3131 of the recess 313, when the sound from the speaker 2 is transmitted from the speaker hole 312 on the bottom wall 3131, the side wall 3132 surrounding the circumference of the speaker hole 312 blocks the sound from being transmitted to the microphone hole 311, and the sound transmitted from the speaker hole 312 can be transmitted to the front of the recess 313 only under the block of the side wall 3132, which effectively weakens the interference of the sound from the speaker 2 to the microphone 1 in the microphone hole 311, and the microphone 1 can more accurately receive the external sound (e.g., the voice of the user).
It will be appreciated that in other embodiments, the sound-blocking portion may also be a raised structure provided on the surface of the housing 3, or other implementable structures, which will not be described in detail herein.
Referring to fig. 2, in the above embodiment, one end of the side wall 3132 adjacent to the microphone hole 311 is connected to the bottom wall 3131, and the other end extends obliquely in a direction adjacent to the microphone 1. By the inclined side wall 3132, the side wall 3132 may block the sound emitted from the speaker 2 from propagating to the microphone 1, and may further expand the propagation range of the sound emitted from the speaker 2, so that the user may hear the sound emitted from the speaker 2 at a plurality of positions.
In the present embodiment, the speaker hole 312 is disposed near the bottom of the housing 3, and the bottom wall 3131 extends obliquely upward from the bottom of the housing 3 until it is connected to the side wall 3132, so that the sound emitted from the speaker hole 312 is emitted in a direction away from the microphone hole 311.
In the present embodiment, a portion of the housing 3 between the microphone hole 311 and the horn hole 312 has an arc shape, and the portion of the housing 3 having the arc shape protrudes toward the outside of the housing 3. Through making the shell 3 between microphone hole 311 and the horn hole 312 be the arc, this section curved shell 3 can play the effect that blocks loudspeaker 2 sound, has further avoided the sound that loudspeaker 2 sent to cause the interference to microphone 1, and the jam-proof effect is better. Of course, in other embodiments, the portion of the housing 3 between the microphone hole 311 and the speaker hole 312 may also be tapered or a flat surface, which is not limited herein.
Referring to fig. 1, the mounting structure of the speaker and the microphone further includes a small plate 4, the microphone 1 is fixed on the small plate 4, and the small plate 4 is fixed in the housing 3. By arranging the small plate 4 and fixing the microphone 1 on the small plate 4, and fixing the small plate 4 with the shell 3, when the microphone 1 is installed, the microphone 1 and the small plate 4 are installed together, and then the small plate 4 is fixed in the shell 3, so that the installation operation of the microphone 1 is more convenient.
Specifically, referring to fig. 3 to 4 and fig. 6, a fixing post 314 is provided in the housing 3, and the small plate 4 is fixed to the fixing post 314. In this embodiment, a screw hole is formed on the fixing post 314, a connecting hole 41 is formed on the small plate 4, and a screw passes through the connecting hole 41 and matches with the screw hole on the fixing post 314, so as to fix the small plate 4 to the fixing post 314 of the housing 3, and make the microphone 1 directly face the microphone hole 311, so as to ensure that the microphone 1 can accurately receive external sound through the microphone hole 311, and the small plate 4 is firmly installed and is not easy to loosen. In other embodiments, a snap may be provided on the fixing post 314, and the small plate 4 is fixed to the housing 3 by the snap, so that the installation operation is more convenient and the cost is lower.
In this embodiment, it is preferable that at least one fixing post 314 is disposed on both sides of the microphone hole 311, and the small plate 4 is correspondingly disposed with the connecting hole 41, so that when the small plate 4 is fixed to the housing 3, the force for fixing the small plate 4 is stronger and more uniform, which is beneficial to stably connecting the small plate 4 and the housing 3, for example, when there is strong vibration outside, the small plate 4 can still be firmly fixed to the housing 3.
More specifically, referring to fig. 3-4 and 6, a positioning post 315 is further disposed in the housing 3, and the small plate 4 is provided with a positioning hole 42 matching with the positioning post 315. When the small plate 4 is installed, the positioning hole 42 on the small plate 4 can be sleeved into the positioning column 315 on the shell 3, so that the small plate 4 can be pre-positioned on the shell 3, screws can be screwed conveniently to fix the small plate 4, and the installation efficiency is improved.
In the present embodiment, referring to fig. 4, the positioning pillar 315 and the fixing pillar 314 are disposed at an interval, and a reinforcing plate 318 is disposed between the positioning pillar 315 and the fixing pillar 314, and the positioning pillar 315, the fixing pillar 314 and the reinforcing plate 318 are an integrated structure; by providing the reinforcing plate 318, the strength of the positioning post 315 can be improved.
Referring to fig. 3-4, in an embodiment, a surrounding wall 316 is convexly disposed around the circumference of the microphone hole 311 in the housing 3, and a side of the microphone 1 facing away from the small plate 4 abuts against the surrounding wall 316. The surrounding wall 316 is disposed around the circumference of the microphone hole 311 to form a hole adapted to the microphone 1, and when external sound is transmitted into the microphone hole 311, the surrounding wall 316 can prevent the sound from being transmitted to other spaces in the housing 3, but is concentrated in the hole formed by the surrounding wall 316, so that the microphone 1 can accurately receive the sound. In this embodiment, a step is formed at one end of the enclosing wall 316 close to the microphone 1, and a part of the microphone 1 abuts against the step, so that the microphone 1 can be tightly attached to the enclosing wall 316 to cover the hole formed by the enclosing wall 316, and accurately receive the sound transmitted from the microphone 1, and the step on the enclosing wall 316 can form a positioning function for the microphone 1.
In the present embodiment, there are two microphones 1, two microphones 1 are spaced apart on the small plate 4, and correspondingly, there are two microphone holes 311, and two microphone holes 311 are spaced apart on the housing 3. By providing the plurality of microphone holes 311 and the plurality of microphones 1, external sounds can be received more accurately. Of course, in other embodiments, three or four microphones 1 may be provided, and the arrangement may be performed according to actual needs, and at this time, only the corresponding number of microphone holes 311 need to be provided on the housing 3. Further, in the present embodiment, the two microphones 1 are provided at intervals on both upper and lower sides of the small plate 4, and in other embodiments, the microphones 1 may be provided at intervals on both left and right sides of the small plate 4.
Referring to fig. 1 and 7-9, in an embodiment, the mounting structure of the speaker and the microphone further includes a fixing box 5, the fixing box 5 is disposed in the housing 3, a speaker opening 511 is formed at a position of the fixing box 5 corresponding to the speaker hole 312, and the speaker 2 is fixed to a side of the speaker opening 511 away from the speaker hole 312. Through setting up fixed box 5, and with loudspeaker 2 fixed mounting on the horn mouth 511 of fixed box 5, the sense of vibration of direct action on shell 3 when can reducing loudspeaker vibrations sound production, and can increase loudspeaker 2 and go out the distance between sound side and the loudspeaker hole 312, form certain sound propagation sound chamber, avoid loudspeaker 2 and loudspeaker hole 312 apart from the undersize and influence the propagation of the sound that loudspeaker 2 sent, improve loudspeaker 2 from the definition of the sound that loudspeaker hole 312 sent. In the present embodiment, the fixing box 5 may be fixed in the housing 3 by screws, or may be fixed in the housing 3 by other means such as a snap.
Referring to fig. 7 to 9, in the above embodiment, the fixing box 5 is formed with the mounting post 512 on the side of the bell mouth 511 facing away from the bell hole 312, and the horn 2 is fixed to the mounting post 512. Specifically, be formed with the screw hole on the erection column 512, be equipped with fixed orifices 21 on loudspeaker 2, pass the cooperation of fixed orifices 21 with the screw hole through the screw to with loudspeaker 2 fixed mounting to the one side that the horn mouth 511 deviates from horn hole 312, and loudspeaker 2's play sound side position is in the one side that is close to horn hole 312, and loudspeaker 2 installs firmly.
Referring to fig. 7-9, a boss 513 is formed on the fixing case 5 corresponding to the small plate 4, and a side of the small plate 4 facing away from the microphone 1 abuts against the boss 513. In this embodiment, the bosses 513 are two, two bosses 513 are provided at intervals on the cassette 5, and the small plate 4 abuts on the two bosses 513. Through setting up boss 513 to platelet 4 butt is on boss 513, can improve platelet 4 mounting structure's stability on the one hand, and the other party can form the interval between fixed box 5 and platelet 4, is favorable to platelet 4 heat dissipation, avoids platelet 4 overheated and leads to microphone 1 to receive the harm.
Referring to fig. 7, in an embodiment, the fixed box 5 includes a front box 51 and a rear box 52, the front box 51 is fixedly connected to the rear box 52, the bell mouth 511 is disposed on the front box 51, correspondingly, the horn 2 is fixed on the front box 51, and the boss 513 is disposed on a side surface of the front box 51 close to the small plate 4.
Referring to fig. 1, the housing 3 includes a front case 31 and a rear case 32, the front case 31 is fixedly coupled to the rear case 32 to form an inner space, and the fixing case 5, the microphone 1, and the small plate 4 are disposed in the inner space. Specifically, referring to fig. 2 to 3, an internal threaded post 317 is disposed on the front shell 31, and a mounting hole 321 is disposed on the rear shell 32, and a screw passes through the mounting hole 321 to be matched with the internal threaded post 317, so as to fixedly connect the front shell 31 and the rear shell 32. In this embodiment, a threaded hole is formed on the internal threaded column 317, and a screw is screwed into the threaded hole on the internal threaded column 317 through the mounting hole 321 of the rear shell 32 to fix the rear shell 32 on the front shell 31, so that the connection is stable. In this embodiment, the speaker hole 312, the recess 313, and the microphone hole 311 are all provided on the front case 31, and correspondingly, the small plate 4 is also fixed on the front case 31. In another embodiment, the front shell 31 and the rear shell 32 may be fixedly connected by a snap structure, so that the assembly is more convenient.
An embodiment of the present invention further provides an electronic device, including any one of the above installation structures of the speaker and the microphone, where the installation structures of the speaker and the microphone are as described above and are not described herein again. Through setting up microphone 1 and loudspeaker 2 respectively at shell 3 middle part inboard and shell 3 bottom inboard, and set up sound blocking part on the surface of shell 3 outside, in order to block the sound transmission route between loudspeaker hole 312 and the microphone 1, when the sound that loudspeaker 2 sent is propagated to being close to microphone hole 311 one side, can be blockked by sound blocking part and can't propagate microphone hole 311, just so can avoid the sound that loudspeaker 2 sent to cause the interference to microphone 1, microphone 1 can be more accurate the external sound of receipt, correct feedback can be made to electronic equipment, electronic equipment's user experience is better.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The mounting structure of the loudspeaker and the microphone is characterized by comprising the microphone, the loudspeaker and a shell, wherein the microphone is arranged on the inner side of the middle part of the shell, the loudspeaker is arranged on the inner side of the bottom of the shell, the shell is respectively provided with a microphone hole and a loudspeaker hole at the corresponding position of the microphone and the loudspeaker, a sound blocking part is arranged on the surface of the outer side of the shell, which is close to the loudspeaker, and the sound blocking part is used for blocking sound emitted by the loudspeaker from the loudspeaker hole from being transmitted to the microphone hole;
the sound blocking part is a recess which is arranged on the wall surface of the shell corresponding to the horn hole, the recess comprises a bottom wall and a side wall, the horn hole is arranged on the bottom wall, the side wall surrounds the periphery of the horn hole, the horn is arranged close to the bottom of the shell, and the bottom wall is inclined and upwards extended from the bottom of the shell to be connected with the side wall;
one end of the part of the side wall close to the microphone hole is connected with the bottom wall, the other end of the side wall extends towards the direction close to the microphone in an inclined mode, and the side wall is obliquely arranged and used for blocking sound emitted by the loudspeaker from being transmitted to the microphone;
the horn hole is arranged at a position close to the bottom of the shell and used for transmitting the sound emitted by the horn hole away from the microphone hole.
2. The horn and microphone mounting structure of claim 1, wherein a portion of the housing between the microphone hole and the horn hole is curved, and the curved portion of the housing is convex toward an outer side of the housing.
3. The horn and microphone mounting structure of claim 1, further comprising a small plate, wherein the microphone is fixed on the small plate, the small plate is fixed in the housing, a fixing post is arranged in the housing, and the small plate is fixed on the fixing post.
4. The mounting structure of a speaker and a microphone according to claim 3, wherein a surrounding wall is convexly provided around the periphery of the microphone hole in the housing, and a side of the microphone facing away from the small plate abuts against the surrounding wall.
5. The mounting structure of a speaker and a microphone according to claim 3, further comprising a fixing box, wherein the fixing box is disposed in the housing, a speaker opening is formed at a position corresponding to the speaker hole of the fixing box, and the speaker is fixed to a side of the speaker opening deviating from the speaker hole.
6. The mounting structure of a speaker and a microphone according to claim 5, wherein the fixing box is formed with a mounting post on a side of the horn mouth facing away from the horn hole, and the speaker is fixed to the mounting post.
7. The mounting structure of a speaker and a microphone according to claim 5, wherein a boss is formed on the fixing case at a position corresponding to the small plate, and a side of the small plate facing away from the microphone abuts against the boss.
8. An electronic device characterized by comprising the mounting structure of the horn and the microphone of any one of claims 1 to 7.
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CN201910204615.9A CN109874082B (en) | 2019-03-18 | 2019-03-18 | Mounting structure and electronic equipment of loudspeaker and microphone |
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CN201910204615.9A CN109874082B (en) | 2019-03-18 | 2019-03-18 | Mounting structure and electronic equipment of loudspeaker and microphone |
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CN201417493Y (en) * | 2009-04-10 | 2010-03-03 | 深圳市捷美安防技术有限公司 | Digital wireless video baby monitor with action alarm |
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Effective date of registration: 20210825 Address after: 518000 workshop 201, DAFUYUAN Industrial Park, No. 381, Juling old village, Jutang community, Fucheng street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen Water World Information Co.,Ltd. Address before: 518000, block B, huayuancheng digital building, 1079 Nanhai Avenue, Shekou, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Waterward Co.,Ltd. |