CN111385685A

CN111385685A - Wireless communication device with non-linear pick-up arrangement matrix

Info

Publication number: CN111385685A
Application number: CN201910578223.9A
Authority: CN
Inventors: 胡江
Original assignee: Shenzhen Guowei Electronic Co ltd
Current assignee: Shenzhen Guowei Electronic Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-07-07

Abstract

The invention provides a non-linear wireless communication device with a sound pick-up arrangement matrix, which comprises a bottom shell and a face shell, the bottom shell is provided with a containing cavity, the bottom shell comprises a side wall and a bottom wall, the face shell is abutted against the side wall so as to cover the containing cavity, the distance from the midpoint of the side wall to the bottom wall is increased linearly towards the distance from the endpoint of the side wall to the bottom wall, a first sound pick-up, a second sound pick-up and a third sound pick-up are fixedly arranged in the containing cavity, the distance between the first sound pick-up and the bottom wall, the distance between the second sound pick-up and the bottom wall and the distance between the third sound pick-up and the bottom wall are different, the array matrix among the first sound pick-up, the second sound pick-up and the third sound pick-up is nonlinear and non-planar, vibration interference of a loudspeaker is reduced, and accuracy of sound identification is improved.

Description

Wireless communication device with non-linear pick-up arrangement matrix

Technical Field

The invention relates to the field of wireless communication equipment, in particular to a wireless communication device with a non-linear microphone array matrix.

Background

In the existing wireless communication device, such as a wireless bluetooth voice control sound box or a voice assistant, the arrangement matrix of sound pick-up devices inside the existing wireless communication device is generally distributed in four directions of a plane or linearly distributed, and is very close to a loudspeaker, so that the existing wireless communication device is easily disturbed by the vibration of the loudspeaker, and the accuracy of sound identification around the existing wireless communication device is difficult to improve in such a way.

Disclosure of Invention

In order to solve the above problems, the present invention provides a wireless communication device having a non-linear microphone array matrix, which reduces vibration interference of a speaker, thereby improving accuracy of sound recognition.

The invention is realized by the following technical scheme:

the invention provides a nonlinear wireless communication device with a pickup arrangement matrix, which comprises a bottom shell and a face shell, wherein the bottom shell is provided with an accommodating cavity, the bottom shell comprises a side wall and a bottom wall, the face shell is abutted against the side wall so as to cover the accommodating cavity, the distance from the midpoint of the side wall to the bottom wall to the end point of the side wall is increased in a linear mode, a first pickup, a second pickup and a third pickup are fixedly arranged in the accommodating cavity, and the distance between the first pickup and the bottom wall, the distance between the second pickup and the bottom wall and the distance between the third pickup and the bottom wall are different.

Further, it is equipped with the control PCB board to hold the intracavity fixation, first adapter the second adapter the third adapter all is connected with control PCB board electricity.

Further, the face shell is curved.

Furthermore, be equipped with a plurality of sound holes on the face-piece, sound holes with first adapter the second adapter the third adapter one-to-one.

Further, a plurality of the sound-transmitting holes do not lie on a plane.

Further, it is equipped with first supporting part still to fix in the holding cavity, first supporting part is including supporting wall, mounting panel, the mounting panel with the perpendicular fixed connection of supporting wall, the mounting panel is the arc, first adapter fixed mounting in on the mounting panel.

Furthermore, the inner wall of face shell towards hold the chamber direction epirelief and be equipped with a plurality of lugs, a plurality of lugs enclose into one and accept the portion of holding of second adapter.

Furthermore, the face-piece still protruding fixed column that is equipped with, the fixed column has two, two the fixed column respectively with the lug butt of two relative settings.

Further, the microphone also comprises a cover sealing part and a fixing part, wherein the fixing part penetrates through two wing parts of the cover sealing part and is inserted into the fixing column, so that the cover sealing part covers the accommodating part, and the second microphone is prevented from being separated from the accommodating part.

Further, the accommodating cavity is fixedly provided with an accommodating part, and the third sound pickup is installed in the accommodating part.

The invention has the beneficial effects that:

Drawings

FIG. 1 is an exploded view of a non-linear wireless communication device having a microphone array matrix according to the present invention;

FIG. 2 is a schematic structural diagram of a bottom case of a wireless communication device with a non-linear microphone array matrix according to the present invention;

FIG. 3 is a schematic structural diagram of a front cover of a wireless communication device having a non-linear microphone array matrix according to the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1.

Detailed Description

In order to more clearly and completely explain the technical scheme of the invention, the invention is further explained with reference to the attached drawings.

Referring to fig. 1 to 4, the present invention provides a non-linear wireless communication device with a microphone array matrix, including a bottom case 1 and a face case 2, where the bottom case 1 has an accommodating cavity 10, the bottom case 1 includes a side wall 11 and a bottom wall 12, the face case 2 abuts against the side wall 11 to cover the accommodating cavity 10, a distance from a midpoint of the side wall 11 to the bottom wall 12 to an end point of the side wall 11 to the bottom wall 12 increases linearly, a first microphone 13, a second microphone 14, and a third microphone 15 are fixed in the accommodating cavity 10, and a distance between the first microphone 13 and the bottom wall 12, a distance between the second microphone 14 and the bottom wall 12, and a distance between the third microphone 15 and the bottom wall 12 are different.

In the present embodiment, the first microphone 13, the second microphone 14, and the third microphone 15 are all microphones.

In this embodiment, by setting the distance between the first microphone 13 and the bottom wall 12, the distance between the second microphone 14 and the bottom wall 12, and the distance between the third microphone 15 and the bottom wall 12 to be different, the arrangement matrix among the first microphone 13, the second microphone 14, and the third microphone 15 is non-linear and non-planar, specifically, the arrangement matrix among the first microphone 13, the second microphone 14, and the third microphone 15 is vertical non-linear arrangement, so that the vibration interference of the horn is reduced, and the accuracy of sound recognition can be improved in a vertical distribution manner.

Further, hold chamber 10 internal fixation and be equipped with control PCB board 16, first adapter 13 the second adapter 14 the third adapter 15 all is connected with control PCB board 16 electricity.

Further, the face housing 2 is curved.

In this embodiment, the face housing 2 is provided with a curved shape, so that the ear and mouth of a human body can be fitted, and wireless communication is more convenient.

Further, be equipped with a plurality of sound-transmitting holes 20 on the face-piece 2, sound-transmitting holes 20 with first adapter 13, second adapter 14, third adapter 15 one-to-one.

In this embodiment, the number of the sound-transmitting holes 20 is 3, and the sound-transmitting holes 20 correspond to the first sound pickup 13, the second sound pickup 14, and the third sound pickup 15 one-to-one, and the sound-transmitting holes 20 are circular, and the sound-transmitting holes 20 penetrate through the face housing 2, so that external sound can be captured by the first sound pickup 13, the second sound pickup 14, and the third sound pickup 15 through the sound-transmitting holes 20.

Further, a plurality of the sound-transmitting holes 20 are not located on a plane.

In this embodiment, since the plurality of sound-transmitting holes 20 are not located on one plane, the first sound collector 13, the second sound collector 14, and the third sound collector capture external sound in all directions at 15360 °.

Further, still fixedly in the accommodation cavity 10 be equipped with first supporting portion 17, first supporting portion 17 includes supporting wall 170, mounting panel 171 with the perpendicular fixed connection of supporting wall 170, mounting panel 171 is the arc, first adapter 13 fixed mounting in on the mounting panel 171.

In this embodiment, the supporting wall 170 is vertically fixed on the bottom wall 12 of the bottom plate, the supporting wall 170 is used for supporting the mounting plate 171, the first microphone 13 is fixedly mounted on the mounting plate 171 to prevent the first microphone 13 from shaking, and the influence on the electrical connection between the first microphone 13 and the control PCB board 16 is avoided.

Furthermore, a plurality of projections 21 are convexly arranged on the inner wall of the face shell 2 towards the accommodating cavity 10, and an accommodating part 22 for accommodating the second sound pickup 14 is defined by the plurality of projections 21.

In the present embodiment, the accommodating portion 22 is square, a gap is formed between two adjacent protrusions 21 for heat dissipation, and the accommodating portion 22 is in communication with the sound-transmitting hole 20.

Further, the face shell 2 is further convexly provided with two fixing columns 23, and the two fixing columns 23 are respectively abutted to the two oppositely arranged convex blocks 21.

Further, the microphone also comprises a cover part 3 and a fixing part 4, wherein the fixing part 4 penetrates through two wing parts of the cover part 3 and is inserted into the fixing column 23 so that the cover part 3 covers the accommodating part 22, and therefore the second microphone 14 is prevented from being separated from the accommodating part 22.

In the present embodiment, the second sound pickup 14 can be firmly fixed in the accommodating portion 22 by the cooperation between the cover portion 3 and the fixing member 4 and the fixing post 23.

Further, the housing cavity 10 is fixedly provided with a receiving portion 18, and the third microphone 15 is installed in the receiving portion 18.

Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.

Claims

1. The utility model provides a wireless communication device with pickup arrangement matrix is nonlinearity, a serial communication port, including drain pan, face-piece, the drain pan has and holds the chamber, the drain pan includes lateral wall and diapire, the face-piece butt thereby the lateral wall lid closes hold the chamber, follow the mid point of lateral wall is apart from the interval of diapire toward the extreme point distance of lateral wall the interval of diapire is linear and increases progressively, it is equipped with first pickup, second pickup, third pickup to hold the intracavity fixation, first pickup with distance between the diapire the second pickup with distance between the diapire the third pickup with distance diverse between the diapire.

2. The wireless communication device as claimed in claim 1, wherein a control PCB is fixed in the cavity, and the first microphone, the second microphone, and the third microphone are electrically connected to the control PCB.

3. The device of claim 1, wherein the housing is curved.

4. The wireless communication device according to claim 3, wherein the front case has a plurality of sound holes, and the sound holes correspond to the first microphone, the second microphone, and the third microphone one by one.

5. The wireless communication device as claimed in claim 4, wherein the plurality of sound holes are not in a plane.

6. The wireless communication device as claimed in claim 1, wherein the accommodating cavity further comprises a first supporting portion, the first supporting portion comprises a supporting wall and a mounting plate, the mounting plate is vertically and fixedly connected to the supporting wall, the mounting plate is arc-shaped, and the first microphone is fixedly mounted on the mounting plate.

7. The wireless communication device as claimed in claim 1, wherein the inner wall of the housing has a plurality of protrusions protruding toward the receiving cavity, and the plurality of protrusions form a receiving portion for receiving the second microphone.

8. The non-linear wireless communication device as claimed in claim 7, wherein the face housing further comprises two fixing posts protruding therefrom, and the two fixing posts are respectively abutted against two oppositely disposed protrusions.

9. The wireless communication device according to claim 7, further comprising a cover and a fixing member, wherein the fixing member penetrates two wing portions of the cover and is inserted into the fixing post, so that the cover covers the receiving portion, thereby preventing the second microphone from being separated from the receiving portion.

10. The wireless communication device as claimed in claim 1, wherein the receiving cavity is fixed with a receiving portion, and the third microphone is mounted in the receiving portion.