CN218416602U

CN218416602U - Far field voice installation structure and projection equipment

Info

Publication number: CN218416602U
Application number: CN202222877296.8U
Authority: CN
Inventors: 黄思尧
Original assignee: Formovie Chongqing Innovative Technology Co Ltd
Current assignee: Formovie Chongqing Innovative Technology Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a far field pronunciation mounting structure and projection equipment. The far-field voice installation structure comprises a shell, a microphone assembly and a decoration piece. The shell includes the infantees layer and has the casing of acceping the chamber, and the casing is equipped with and accepts the first mounting hole of chamber intercommunication. The wrapping cloth layer is wrapped on the outer surface of the shell and provided with a second mounting hole opposite to the first mounting hole. The microphone assembly is arranged in the accommodating cavity and comprises a sound collecting part. The decoration is connected in one side of microphone subassembly orientation first mounting hole and second mounting hole to be located first mounting hole and second mounting hole, the decoration is equipped with the first sound collecting hole that is used for the intercommunication external world and sound collecting part. So, can avoid the infantees layer to the sheltering from of first pick-up hole, outside pronunciation can be through the pickup portion that first pick-up hole got into microphone subassembly, promote far field recognition rate and awaken up the rate. In addition, the problem of testing the air tightness of the microphone assembly by production equipment can be solved.

Description

Far field voice installation structure and projection equipment

Technical Field

The utility model relates to a far field pronunciation technical field especially relates to a far field pronunciation mounting structure and projection equipment.

Background

Far-field voice is a man-machine interaction mode, mainly realizes voice remote control operation, and is widely applied to products such as intelligent televisions and intelligent projection equipment. The traditional far-field voice device with wrapping cloth has poor far-field awakening recognition degree and sensitivity, and the air tightness test of each projection device with the far-field voice device cannot be carried out by using test equipment in mass production, so that the consistency of product quality cannot be ensured.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a far-field voice installation structure and a projection apparatus, which can improve the far-field recognition rate and the wake-up rate, and can also ensure the consistency of the product quality.

In one aspect, the present application relates to a far-field speech mounting structure, comprising:

the shell comprises a cloth wrapping layer and a shell body with an accommodating cavity, the shell body is provided with a first mounting hole communicated with the accommodating cavity, the cloth wrapping layer is wrapped on the outer surface of the shell body, and the cloth wrapping layer is provided with a second mounting hole opposite to the first mounting hole;

the microphone assembly is arranged in the accommodating cavity and comprises a sound pickup part; and

the decoration piece is connected to one side, facing the first mounting hole and the second mounting hole, of the microphone assembly and is located in the first mounting hole and the second mounting hole, and the decoration piece is provided with a first sound collecting hole used for communicating the outside and the sound collecting part.

In one embodiment, the far-field speech mounting structure further comprises a mounting bracket, the mounting bracket is arranged in the accommodating cavity and is fixedly connected with the shell, the decoration part is mounted on one side of the mounting bracket, which faces the first mounting hole, the microphone assembly is mounted on one side of the mounting bracket, which faces away from the first mounting hole, and the mounting bracket is provided with a second sound pickup hole, which is opposite to the sound pickup part and the first sound pickup hole respectively.

In one embodiment, the far-field speech mounting structure further comprises a glue layer, the glue layer is arranged between the mounting bracket and the decoration piece, the decoration piece is bonded to the mounting bracket through the glue layer, the glue layer is provided with a third sound pickup hole, and the third sound pickup hole is respectively opposite to the first sound pickup hole and the second sound pickup hole.

In one embodiment, a first connecting column is arranged on one side, provided with the accommodating cavity, of the shell, the first connecting column is provided with a first connecting hole, and the mounting bracket is provided with a second connecting hole; the far-field voice installation structure further comprises a first locking piece, wherein the first locking piece is arranged in the first connecting hole and the second connecting hole so as to lock and connect the installation bracket to the shell.

In one embodiment, the mounting bracket is provided with a first perforation, the first perforation is positioned at the side part of the microphone assembly, and the decoration piece is provided with a second perforation opposite to the first perforation; the far-field voice installation structure further comprises a key, and the key is inserted into the first through hole and the second through hole.

In one embodiment, a mounting groove is formed in one side, facing the microphone assembly, of the mounting bracket, and the microphone assembly is arranged in the mounting groove; the far-field voice installation structure further comprises a first sealing element, the first sealing element is arranged between the microphone assembly and the groove bottom of the installation groove, the first sealing element is provided with a fourth sound pickup hole, and the fourth sound pickup hole is opposite to the sound pickup part and the second sound pickup hole respectively.

In one embodiment, the microphone assembly comprises a substrate and a microphone having the pickup portion, the microphone being mounted to the substrate; the microphone assembly further comprises a second sealing piece and a third sealing piece, the second sealing piece is arranged between the first sealing piece and the substrate, the second sealing piece is provided with a fifth sound pickup hole, the fifth sound pickup hole is respectively opposite to the sound pickup part and the fourth sound pickup hole, and the third sealing piece is arranged on one side, far away from the first sealing piece, of the substrate.

In one embodiment, the far-field speech mounting structure further comprises a pressing piece, wherein the pressing piece is pressed on one side of the microphone assembly, which faces away from the decoration piece; the far-field speech mounting structure further comprises a fourth seal disposed between the microphone assembly and the press.

In one embodiment, a third connecting column is arranged on one side, away from the decorating part, of the mounting bracket, and a third connecting hole is formed in the third connecting column; the microphone assembly is provided with a fourth connecting hole opposite to the third connecting hole, the pressing piece is provided with a fifth connecting hole opposite to the fourth connecting hole, the fourth sealing piece is provided with a sixth connecting hole, and the sixth connecting hole is respectively opposite to the fourth connecting hole and the fifth connecting hole; far field pronunciation mounting structure still includes the second retaining member, the second retaining member is inserted and is located the third connecting hole, the fourth connecting hole, the fifth connecting hole with in the sixth connecting hole, in order with microphone subassembly the fourth sealing member with the pressfitting spare lock connect in installing support.

In one embodiment, a first positioning part is arranged on one side, facing the mounting bracket, of the decorating part, a second positioning part is arranged on the mounting bracket, and the first positioning part and the second positioning part are matched in a positioning mode; one side of the mounting bracket, which deviates from the decorating part, is provided with a third positioning part, the microphone assembly is provided with a fourth positioning part, the fourth sealing element is provided with a fifth positioning part, and the third positioning part, the fourth positioning part and the fifth positioning part are in positioning fit.

In another aspect, the present application is directed to a projection device including the far-field speech mounting structure of any of the previous embodiments.

Foretell far field pronunciation mounting structure and projection equipment, the surface cladding of casing has the infantees layer, the infantees layer is equipped with the second mounting hole relative with first mounting hole, the intracavity is located to accept by the microphone subassembly, first mounting hole and second mounting hole are located to the decoration, the decoration is equipped with first sound picking hole, first sound picking hole intercommunication is external and the portion of picking up sound, so can avoid the infantees layer to the sheltering from of first sound picking hole, outside pronunciation can get into the portion of picking up sound of microphone subassembly through first sound picking hole, promote far field recognition rate and awakening rate. In addition, the problem of testing the air tightness of the microphone assembly by production equipment can be solved, and the consistency of product quality is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a far-field speech installation structure according to an embodiment of the present invention;

FIG. 2 is a partial exploded view of the far field speech mounting arrangement of FIG. 1;

fig. 3 is an exploded view of the far field speech mounting structure shown in fig. 1.

The reference numbers illustrate: 10. a housing; 11. a housing; 111. a first mounting hole; 112. an accommodating cavity; 113. a first connecting column; 12. wrapping a cloth layer; 121. a second mounting hole; 20. a microphone assembly; 21. a substrate; 23. a second seal member; 231. a fifth sound pickup hole; 24. a third seal member; 25. a fourth connection hole; 26. a fourth positioning portion; 30. a decorative member; 31. a first sound pickup hole; 32. a first positioning portion; 33. a second perforation; 40. mounting a bracket; 41. a second sound pickup hole; 42. a second positioning portion; 43. a second connection hole; 44. a first through hole; 45. mounting grooves; 46. a third connecting column; 47. a third positioning part; 50. a second locking member; 60. pressing a key; 70. a first seal member; 71. a fourth sound pickup hole; 80. a pressing part; 81. a fifth connecting hole; 90. a fourth seal member; 91. a sixth connection hole; 92. a fifth positioning portion.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1, 2 and 3, a far-field speech installation structure according to an embodiment of the present invention includes a housing 10, a microphone assembly 20 and a decoration 30. The housing 10 includes a cloth covering layer 12 and a housing 11 having a receiving cavity 112, and the housing 11 is provided with a first mounting hole 111 communicating with the receiving cavity 112. The cloth covering layer 12 covers the outer surface of the housing 11, and the cloth covering layer 12 is provided with a second mounting hole 121 facing the first mounting hole 111. The microphone assembly 20 is disposed in the accommodating cavity 112, and the microphone assembly 20 includes a sound pickup portion. The decoration member 30 is attached to a side of the microphone assembly 20 facing the first and second mounting

holes

111 and 121 and is positioned in the first and second mounting

holes

111 and 121, and the decoration member 30 is provided with a first sound-pickup hole 31 for communicating the outside and a sound-pickup portion.

Optionally, the first mounting hole 111 and the second mounting hole 121 are both strip-shaped holes, and the decoration piece 30 is a decoration strip adapted to the strip-shaped holes. Of course, in other embodiments, the first mounting hole 111 and the second mounting hole 121 may have other shapes, such as circular, rectangular, etc., and the decoration 30 has a shape matching with the first mounting hole 111 and the second mounting hole 121 so as to be mounted in the first mounting hole 111 and the second mounting hole 121.

Foretell far field pronunciation mounting structure, the surface cladding of casing 11 has infantees layer 12, infantees layer 12 is equipped with the second mounting hole 121 relative with first mounting hole 111, microphone subassembly 20 is located and is acceptd in the chamber 112, decoration 30 is located in first mounting hole 111 and the second mounting hole 121, and decoration 30 is equipped with first sound collecting hole 31, first sound collecting hole 31 intercommunication is external and pickup part, so can avoid infantees layer 12 to sheltering from of first sound collecting hole 31, outside pronunciation can get into microphone subassembly 20's pickup part through first sound collecting hole 31, promote far field recognition rate and awakening rate. In addition, the problem of air tightness test of the microphone assembly 20 by production equipment can be solved, and the consistency of product quality is ensured.

In one embodiment, referring to fig. 2 and 3, the far-field speech mounting structure further includes a mounting bracket 40, and the mounting bracket 40 is disposed in the receiving cavity 112 and fixedly connected to the housing 11. The decoration member 30 is mounted on a side of the mounting bracket 40 facing the first mounting hole 111, and the microphone assembly 20 is mounted on a side of the mounting bracket 40 facing away from the first mounting hole 111. The mounting bracket 40 is provided with a second sound-collecting hole 41, and the second sound-collecting hole 41 is respectively opposite to the sound-collecting part and the first sound-collecting hole 31. By providing the mounting bracket 40, the mounting bracket 40 can provide a mounting location for the microphone assembly 20 and the decoration 30, facilitating the mounting of the microphone assembly 20 and the decoration 30. Since the mounting bracket 40 is provided with the second sound-collecting hole 41, the second sound-collecting hole 41 is opposite to the sound-collecting part and the first sound-collecting hole 31, respectively, so that external voice can enter the sound-collecting part of the microphone assembly 20 through the first sound-collecting hole 31 and the second sound-collecting hole 41, and the far-field recognition rate and the awakening rate are improved.

Further, far field pronunciation mounting structure still includes the glue film, and the glue film is located between installing support 40 and decoration 30, and decoration 30 passes through the glue film and bonds in installing support 40. The adhesive layer is provided with a third sound pick-up hole, which is opposite to the first sound pick-up hole 31 and the second sound pick-up hole 41, respectively. Optionally, the adhesive layer is a double-sided adhesive layer. So, the glue film not only can realize the firm connection of decoration 30 and installing support 40, but also can play sealed effect for outside pronunciation gets into microphone subassembly 20's sound pickup portion through first sound pickup hole 31, third sound pickup hole and second sound pickup hole 41 in proper order, avoids noise interference, improves airtight uniformity and frequency response index simultaneously, promotes far field and awakens sensitivity and rate of recognition far field.

Further, one side of the decoration 30 facing the mounting bracket 40 is provided with a first positioning portion 32, the mounting bracket 40 is provided with a second positioning portion 42, and the first positioning portion 32 and the second positioning portion 42 are in positioning fit. In this way, the first positioning portion 32 and the second positioning portion 42 are used for positioning and matching, so that the decoration piece 30 can be accurately mounted on the mounting bracket 40, and the first sound pickup hole 31 and the second sound pickup hole 41 can be accurately aligned.

It should be noted that the number of the first positioning portions 32 and the second positioning portions 42 may be set according to actual requirements, and is not particularly limited herein. In the present embodiment, two first positioning portions 32 and two second positioning portions 42 are provided.

Alternatively, referring to fig. 3, the first positioning portion 32 includes a positioning column, and the second positioning portion 42 is provided with a positioning hole, and the positioning column is inserted into the positioning hole.

In one embodiment, referring to fig. 3, a first connection column 113 is disposed on a side of the housing 11 where the receiving cavity 112 is disposed, and the first connection column 113 is disposed with a first connection hole. The mounting bracket 40 is provided with a second coupling hole 43. The far-field speech mounting structure further includes first locking members disposed in the first and second coupling holes to lockingly couple the mounting bracket 40 to the housing 11. Thus, the mounting bracket 40 can be lockingly coupled to the housing 11 by the first locking member.

Optionally, the first connecting hole is a threaded hole, the second connecting hole is a threaded hole or a via hole, and the first locking member is a screw or the like.

Further, referring to fig. 3, a plurality of first connecting posts 113 are provided, and the plurality of first connecting posts 113 are provided at intervals along the circumferential direction of the first mounting hole 111 on the side of the housing 11 where the accommodating cavity 112 is provided. The second connection holes 43 are correspondingly provided in a plurality, and the plurality of second connection holes 43 are arranged at intervals along the circumferential direction of the mounting bracket 40 and correspond to the first connection posts 113 one by one. In this way, the firmness of the connection between the mounting bracket 40 and the housing 11 can be improved. In the present embodiment, six first connection posts 113 and six second connection holes 43 are provided.

In one embodiment, referring to fig. 1, 2 and 3, the mounting bracket 40 is provided with a first aperture 44, the first aperture 44 being located on a side of the microphone assembly 20. The decoration 30 is provided with a second perforation 33 opposite the first perforation 44. The far-field speech mounting structure further includes a key 60, and the key 60 is inserted into the first through hole 44 and the second through hole 33. Thus, the key 60 is exposed, and the key 60 is convenient to operate. In addition, since the first through hole 44 is located at the side of the microphone assembly 20, it is possible to prevent the key 60 from interfering with the installation of the microphone assembly 20.

In one embodiment, referring to fig. 3, the side of the mounting bracket 40 facing the microphone assembly 20 is provided with a mounting groove 45, and the microphone assembly 20 is disposed in the mounting groove 45. During the installation, locate microphone subassembly 20 in mounting groove 45, the cell wall of mounting groove 45 plays limiting displacement to microphone subassembly 20, improves microphone subassembly 20 installation stability, the installation of being convenient for moreover.

Optionally, a plurality of side plates are protruded from the side of the mounting bracket 40 facing the microphone assembly 20, and the side plates surround to form the mounting groove 45.

Further, referring to fig. 3, the far-field speech mounting structure further includes a first sealing member 70, the first sealing member 70 being disposed between the microphone assembly 20 and the bottom of the mounting groove 45. The first sealing member 70 is provided with a fourth sound-pickup hole 71, and the fourth sound-pickup hole 71 is respectively opposite to the sound-pickup portion and the second sound-pickup hole 41. During the use, first sealing member 70 can play the effect of sealed isolation, makes outside pronunciation get into the sound collecting part of microphone subassembly 20 through first sound collecting hole 31, third sound collecting hole, second sound collecting hole 41 and fourth sound collecting hole 71 in proper order, avoids noise interference, improves airtight uniformity and frequency response index, promotes far-field and awakens sensitivity and rate of recognition.

It should be noted that the shape and number of the first sealing members 70 may be set according to actual requirements, and are not limited in detail here. In the present embodiment, two first sealing members 70 are provided, and both the first sealing members 70 are circular.

Optionally, the first seal 70 is a sealing foam. Of course, in other embodiments, the first sealing element 70 may be made of an elastic material with a sealing function, such as silicon rubber or rubber.

In one embodiment, referring to fig. 3, the microphone assembly 20 includes a substrate 21 and a microphone having a sound pickup portion, the microphone being mounted on the substrate 21. The substrate 21 is a PCB board. Further, the microphone assembly 20 further includes a second sealing member 23 and a third sealing member 24, the second sealing member 23 is disposed between the first sealing member 70 and the substrate 21, the second sealing member 23 is provided with a fifth sound pickup hole 231, and the fifth sound pickup hole 231 is respectively opposite to the sound pickup portion and the fourth sound pickup hole 71; the third seal 24 is provided on the side of the base plate 21 remote from the first seal 70. So, through set up second sealing member 23 and third sealing member 24 respectively at the top and the bottom of base plate 21, second sealing member 23 and third sealing member 24 can play sealed effect of keeping apart to the microphone, avoid noise interference, improve airtight uniformity and frequency response index, promote far field and awaken sensitivity and recognition rate.

Further, referring to fig. 3, the far-field speech mounting structure further includes a pressing member 80, and the pressing member 80 is pressed on a side of the microphone assembly 20 facing away from the decoration member 30. Therefore, the microphone assembly 20 and the like can be tightly pressed on one side of the shell 11, which is provided with the accommodating cavity 112, through the pressing piece 80, the air tightness consistency and the frequency response index are improved, and the far field awakening sensitivity and the identification rate are improved.

Still further, referring to fig. 3, the far-field speech mounting structure further includes a fourth sealing member 90, the fourth sealing member 90 being disposed between the microphone assembly 20 and the compression member 80. So, fourth sealing member 90 can play the effect of sealed isolation, avoids noise interference, improves airtight uniformity and frequency response index, promotes far field and awakens sensitivity and recognition rate up.

Optionally, the fourth seal 90 is a sealing foam. Of course, in other embodiments, the fourth sealing element 90 may also be made of an elastic material with a sealing function, such as silicon rubber or rubber.

In one embodiment, referring to FIG. 3, a third connecting post 46 is provided on a side of the mounting bracket 40 facing away from the trim piece 30, and the third connecting post 46 is provided with a third connecting hole. The microphone assembly 20 is provided with a fourth connection hole 25 opposite to the third connection hole, the press-fitting member 80 is provided with a fifth connection hole 81 opposite to the fourth connection hole 25, and the fourth sealing member 90 is provided with a sixth connection hole 91, the sixth connection hole 91 being opposite to the fourth connection hole 25 and the fifth connection hole 81, respectively. The far-field voice installation structure further includes a second locking member 50, and the second locking member 50 is inserted into the third connecting hole, the fourth connecting hole 25, the fifth connecting hole 81 and the sixth connecting hole 91 to lock and connect the microphone assembly 20, the fourth sealing member 90 and the pressing member 80 to the mounting bracket 40. Alternatively, the third coupling hole is a threaded hole, the fourth coupling hole 25, the fifth coupling hole 81 and the sixth coupling hole 91 are threaded holes or via holes, and the second locker 50 is a screw, etc. During installation, the second locking member 50 is inserted into the third connecting hole, the fourth connecting hole 25, the fifth connecting hole 81 and the sixth connecting hole 91, and during the locking process, the pressing member 80 gradually presses the microphone assembly 20 to press the microphone assembly 20 and the fourth sealing member 90, so that the air tightness is improved.

It should be noted that the number of the third connecting column 46, the fourth connecting hole 25, the fifth connecting hole 81 and the sixth connecting hole 91 can be set according to actual requirements, and is not specifically limited herein.

In the present embodiment, four third connecting columns 46 are provided, and the four third connecting columns 46 are provided on the mounting bracket 40 side by side and at intervals. The four fourth connection holes 25 are arranged in parallel and at intervals in the microphone assembly 20, and specifically, the substrate 21, the second sealing member 23 and the third sealing member 24 are all provided with four parallel and at intervals fourth connection holes 25. The number of the fifth connecting holes 81 is four, and the fifth connecting holes 81 are arranged in the pressing member 80 side by side at intervals. The fourth sealing member 90 is provided with sixth connection holes 91, the sixth connection holes 91 are respectively opposite to the fourth connection holes 25 and the fifth connection holes 81, the number of the sixth connection holes 91 is four, and the four sixth connection holes 91 are arranged side by side and at intervals.

In one embodiment, referring to fig. 3, a side of the mounting bracket 40 facing away from the decoration 30 is provided with a third positioning portion 47, the microphone assembly 20 is provided with a fourth positioning portion 26, the fourth sealing member 90 is provided with a fifth positioning portion 92, and the third positioning portion 47, the fourth positioning portion 26 and the fifth positioning portion 92 are in positioning fit. Specifically, the base plate 21, the second seal member 23, and the third seal member 24 are each provided with a fourth positioning portion 26. In this way, the third positioning part 47, the fourth positioning part 26 and the fifth positioning part 92 are in positioning fit, so that the pressing member 80 and the microphone assembly 20 can be accurately mounted to the mounting bracket 40.

It should be noted that the number of the third positioning portions 47, the fourth positioning portions 26 and the fifth positioning portions 92 can be set according to actual requirements, and is not limited in particular. In the present embodiment, there are two of the third positioners 47, the fourth positioners 26 and the fifth positioners 92.

Optionally, the third positioning portion 47 includes a positioning column, and the fourth positioning portion 26 and the fifth positioning portion 92 are both provided with positioning holes, and the positioning column is inserted into the positioning holes. The fourth positioning portion 26 of the microphone assembly 20 includes positioning holes respectively disposed on the substrate 21, the second sealing member 23 and the third sealing member 24.

The assembly steps of the far-field speech mounting structure of the present embodiment are as follows:

(1) The first seal 70 is assembled to the mounting bracket 40;

(2) The second sealing member 23 and the third sealing member 24 are respectively assembled to both sides of the substrate 21 to form the microphone assembly 20;

(3) The fourth sealing member 90 is assembled to one side of the pressing member 80;

(4) The microphone assembly 20 is assembled to the mounting bracket 40;

(5) The press 80 with the fourth seal 90 is assembled to the microphone assembly 20;

(6) The decoration piece 30 is assembled to the side of the mounting bracket 40 facing away from the microphone assembly 20;

(7) The key 60 is assembled to the mounting bracket 40;

(8) The mounting bracket 40 is assembled to the housing 10.

The utility model relates to a projection equipment, including the far field pronunciation mounting structure of any above-mentioned embodiment.

Above-mentioned projection equipment, the surface cladding of casing 11 has infantees layer 12, infantees layer 12 is equipped with the second mounting hole 121 relative with first mounting hole 111, microphone subassembly 20 is located and is acceptd in the chamber 112, decoration 30 is located in first mounting hole 111 and second mounting hole 121, and decoration 30 is equipped with first sound collecting hole 31, first sound collecting hole 31 intercommunication external and pickup portion, so can avoid infantees layer 12 to the sheltering from of first sound collecting hole 31, outside pronunciation can get into the pickup portion of microphone subassembly 20 through first sound collecting hole 31, promote far field recognition rate and awakening rate. In addition, the problem of air tightness test of the microphone assembly 20 by production equipment can be solved, and the consistency of product quality is ensured.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A far-field speech mounting structure, comprising:

2. The far-field speech mounting structure according to claim 1, further comprising a mounting bracket disposed in the receiving cavity and fixedly connected to the housing, wherein the decoration member is mounted on a side of the mounting bracket facing the first mounting hole, the microphone assembly is mounted on a side of the mounting bracket facing away from the first mounting hole, and the mounting bracket is provided with a second sound pickup hole, and the second sound pickup hole is opposite to the sound pickup portion and the first sound pickup hole.

3. The far-field speech mounting structure according to claim 2, further comprising a glue layer, wherein the glue layer is disposed between the mounting bracket and the decoration member, the decoration member is bonded to the mounting bracket through the glue layer, and the glue layer is provided with a third sound pickup hole, and the third sound pickup hole is respectively opposite to the first sound pickup hole and the second sound pickup hole.

4. The far-field speech mounting structure according to claim 2, wherein a side of the housing where the receiving cavity is provided with a first connecting post, the first connecting post is provided with a first connecting hole, and the mounting bracket is provided with a second connecting hole; the far-field voice installation structure further comprises a first locking piece, wherein the first locking piece is arranged in the first connecting hole and the second connecting hole so as to lock and connect the installation bracket to the shell.

5. The far-field speech mounting arrangement according to claim 2, wherein the mounting bracket is provided with a first perforation located at a side of the microphone assembly, and the trim piece is provided with a second perforation opposite the first perforation; the far-field voice installation structure further comprises a key, and the key is inserted into the first through hole and the second through hole.

6. The far-field speech mounting structure according to claim 2, wherein a side of the mounting bracket facing the microphone assembly is provided with a mounting groove, and the microphone assembly is arranged in the mounting groove;

the far-field voice installation structure further comprises a first sealing element, the first sealing element is arranged between the microphone assembly and the groove bottom of the installation groove, the first sealing element is provided with a fourth sound pickup hole, and the fourth sound pickup hole is opposite to the sound pickup part and the second sound pickup hole respectively.

7. The far-field speech mounting arrangement according to claim 6, wherein the microphone assembly comprises a substrate and a microphone having the pick-up portion, the microphone being mounted to the substrate;

the microphone assembly further comprises a second sealing piece and a third sealing piece, the second sealing piece is arranged between the first sealing piece and the substrate, the second sealing piece is provided with a fifth sound pickup hole, the fifth sound pickup hole is respectively opposite to the sound pickup part and the fourth sound pickup hole, and the third sealing piece is arranged on one side, far away from the first sealing piece, of the substrate.

8. The far-field speech mounting arrangement according to claim 2, further comprising a press fit element pressed to a side of the microphone assembly facing away from the trim element;

the far field speech mounting structure further includes a fourth seal disposed between the microphone assembly and the press.

9. The far-field speech mounting structure according to claim 8, wherein a side of the mounting bracket facing away from the trim piece is provided with a third connecting post, and the third connecting post is provided with a third connecting hole; the microphone assembly is provided with a fourth connecting hole opposite to the third connecting hole, the pressing piece is provided with a fifth connecting hole opposite to the fourth connecting hole, the fourth sealing piece is provided with a sixth connecting hole, and the sixth connecting hole is respectively opposite to the fourth connecting hole and the fifth connecting hole; far field pronunciation mounting structure still includes the second retaining member, the second retaining member is inserted and is located the third connecting hole, the fourth connecting hole, the fifth connecting hole with in the sixth connecting hole, in order with microphone subassembly the fourth sealing member with the pressfitting spare lock connect in installing support.

10. The far-field speech mounting structure according to claim 8, wherein a side of the decoration facing the mounting bracket is provided with a first positioning portion, the mounting bracket is provided with a second positioning portion, and the first positioning portion and the second positioning portion are in positioning fit; one side of the mounting bracket, which deviates from the decorating part, is provided with a third positioning part, the microphone assembly is provided with a fourth positioning part, the fourth sealing element is provided with a fifth positioning part, and the third positioning part, the fourth positioning part and the fifth positioning part are in positioning fit.

11. A projection device comprising the far-field speech mounting structure of any of claims 1-10.