Microphone terminal apparatus and electronic device

Abstract

A microphone terminal apparatus and an electronic device. The microphone terminal apparatus comprises a microphone assembly, a first fixing structure, a second fixing structure, a sealing bracket and a positioning bracket, wherein the first fixing structure and the second fixing structure are located on two opposite sides of the microphone assembly in a first direction; the first fixing structure has a sound pickup hole, and the microphone assembly has a sound inlet hole; the sealing bracket is located between the first fixing structure and the second fixing structure, and the sealing bracket and the microphone assembly are arranged in a second direction; the sealing bracket has a sound pickup channel that communicates the sound pickup hole with the sound inlet hole; the positioning bracket comprises a first sub-portion located between the sealing bracket and the second fixing structure; and the first sub-portion is configured to press the sealing bracket to cause the sealing bracket to abut against the first fixing structure. A propagation path of sound inside the terminal apparatus is restricted within the sound pickup channel by means of the sealing bracket, thereby reducing sound loss and improving a sound pickup effect of the microphone assembly.

Description

A microphone terminal device and electronic device

[0001] Cross-references to related applications

[0002] This application claims priority to Chinese Patent Application No. 202510127563.5, filed on January 27, 2025, entitled "A Microphone Terminal Device and Electronic Device", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of microphone terminal technology, and more particularly to a microphone terminal device and electronic device. Background Technology

[0004] Microphones are common components in terminal devices, used to convert sound signals into electrical signals to enable functions such as recording and voice interaction. In one prior art, the terminal device includes a housing and a microphone disposed within the housing. The housing has a pickup hole, and the microphone has a sound inlet hole; sound from outside the terminal device can be transmitted through the pickup hole to the microphone's sound inlet hole. However, sound is easily lost during transmission within the housing, resulting in a decrease in the volume of sound actually picked up by the microphone, thus affecting its sound pickup performance. Summary of the Invention

[0005] This application provides a microphone terminal device and electronic device for improving the sound pickup effect of a microphone.

[0006] In a first aspect, embodiments of this application provide a microphone terminal device. The microphone terminal device includes a microphone assembly, a first fixing structure, and a second fixing structure. The first fixing structure and the second fixing structure are located on opposite sides of the microphone assembly along a first direction; the first fixing structure has a pickup hole, and the microphone assembly has a sound inlet hole. External sound can propagate through the pickup hole and the sound inlet hole to the interior of the microphone assembly, thereby triggering a sound-to-electrical conversion. In a specific embodiment, the microphone terminal device includes a cylindrical housing surrounding the microphone assembly, and the first fixing structure and the second fixing structure are two parts within the housing.

[0007] To improve the sound pickup effect of the microphone assembly, the microphone terminal device further includes a sealing bracket and a positioning bracket. The sealing bracket and positioning bracket are located between the first fixing structure and the second fixing structure. Regarding the sealing bracket, the sealing bracket and the microphone assembly are arranged along a second direction, which is perpendicular to the plane where the microphone assembly is located. In one possible technical solution, the second direction is also perpendicular to the first direction. The bottom wall of the sealing bracket abuts against the microphone assembly; optionally, the bottom wall of the sealing bracket can abut directly or indirectly against the microphone assembly. The side wall of the sealing bracket abuts against the first fixing structure; optionally, the side wall of the sealing bracket can abut directly or indirectly against the first fixing structure. The sealing bracket has a sound pickup channel inside, one end of which faces the sound pickup hole of the first fixing structure, and the other end faces the sound inlet hole of the microphone assembly; the sound pickup channel connects the sound pickup hole and the sound inlet hole. Regarding the positioning bracket, the positioning bracket includes a first sub-part, which is located between the sealing bracket and the second fixing structure, and the first sub-part contacts both the sealing bracket and the second fixing structure. The first part is used to compress the sealing bracket, so that the sealing bracket and the first fixing structure come into contact, thereby allowing the sealing bracket to fit tightly against the surface of the first fixing structure, thus reducing the gap between the sealing bracket and the first fixing structure.

[0008] During operation, external sound first propagates into the microphone terminal device through the pickup hole. Inside the device, the sound continues to propagate along the pickup channel. Finally, the sound travels from the pickup channel to the microphone assembly's inlet. During sound propagation, the sealing bracket confines the sound path within the pickup channel, reducing sound loss caused by sound spreading throughout the device, increasing the amount of sound entering the microphone assembly, and improving its pickup performance. Furthermore, the sound undergoes multiple reflections during propagation within the pickup channel, causing echoes to overlap with the sound source, thus increasing the volume and further enhancing the microphone assembly's pickup effect.

[0009] In one possible technical solution, the microphone terminal device further includes a support base, which is disposed at the bottom of the microphone assembly to support the microphone assembly. A sealing bracket and a positioning bracket are disposed on the side of the support base facing the microphone assembly. The sealing bracket can be glued, snapped, or connected to the support base by fasteners to fix it relatively to the support base.

[0010] In one possible technical solution, the sealing bracket has a first guide surface on the side facing the first sub-part, and the first guide surface is inclined. Specifically, the first guide surface has a first end and a second end arranged along a second direction, wherein the first end is located on the side of the second end away from the microphone assembly, and the first end is closer to the first fixed structure than the second end. During the installation of the positioning bracket, the first sub-part of the positioning bracket can slide along the first guide surface into the gap between the sealing bracket and the second fixed structure. In this process, the first sub-part of the positioning bracket pushes the sealing bracket gradually closer to the first fixed structure. When the sealing bracket abuts against the surface of the first fixed structure, the positioning bracket is in place. As a result, the first guide surface can convert the movement of the positioning bracket along the second direction into movement of the sealing bracket in a plane perpendicular to the second direction, causing the sealing bracket to gradually approach the first fixed structure until the sealing bracket and the first fixed structure abut.

[0011] In one specific technical solution, limiting walls are provided on both sides of the first guide surface. Both limiting walls protrude from the first guide surface and are spaced apart circumferentially. After the positioning bracket and sealing bracket are assembled, at least a portion of the first sub-part of the positioning bracket is located between the two limiting walls. During the insertion of the first sub-part of the positioning bracket into the gap between the sealing bracket and the second fixing structure, the limiting walls are located on both sides of the first sub-part of the positioning bracket. These limiting walls restrict the movement of the first sub-part of the positioning bracket to both sides, thereby adjusting its position and reducing the offset of the sealing bracket as it approaches the first fixing structure. This ensures that after the sealing bracket and the first fixing structure abut against each other, the sound pickup inlet can align with the sound pickup hole of the first fixing structure.

[0012] The above describes how, when the sealing bracket has a first guide surface, the first guide surface can convert the movement of the positioning bracket along the second direction into the movement of the sealing bracket in a plane perpendicular to the second direction, causing the sealing bracket to gradually approach the first fixed structure. Alternatively, the positioning bracket can also have a similar guide surface to achieve the above effect. Specifically, in one possible implementation, the first sub-part of the positioning bracket has a second guide surface on the side facing the sealing bracket, and this second guide surface is inclined. Specifically, the second guide surface has a third end and a fourth end arranged along the second direction. The third end is located on the side of the fourth end away from the microphone assembly, and the third end is closer to the first fixed structure than the fourth end. The inclination direction of the second guide surface is the same as that of the first guide surface. During the process of the first sub-part of the positioning bracket being inserted into the gap between the sealing bracket and the second fixed structure, the second guide surface can also achieve the same effect as the first guide surface, which will not be elaborated further here.

[0013] In practical applications, when the sealing bracket has a first guide surface or the positioning bracket has a second guide surface, as the positioning bracket moves along the second direction, the sealing bracket can gradually approach the first fixed structure in a plane perpendicular to the second direction. When the sealing bracket has a first guide surface and the positioning bracket has a second guide surface, after the sealing bracket and the positioning bracket are assembled, the first guide surface and the second guide surface can fit together, thereby giving the sealing bracket and the positioning bracket a larger contact area, and thus making the sealing bracket and the positioning bracket more stable.

[0014] To improve the sound pickup performance of the microphone assembly, one possible technical solution includes a sound pickup channel with a sound pickup inlet facing the sound pickup hole of a first fixed structure. The sealing bracket includes a first flexible portion surrounding the sound pickup inlet and abutting against the first fixed structure. The first flexible portion is soft and can be compressed and deformed under the pressure of the first sub-part of the positioning bracket, thus tightly adhering to the first fixed structure. This reduces the gap between the sealing bracket and the first fixed structure, improves the sealing effect, and minimizes sound leakage at the sound pickup inlet, thereby enhancing the sound pickup performance of the microphone assembly.

[0015] In another possible technical solution, the pickup channel has a pickup outlet facing the sound inlet of the microphone assembly; the sealing bracket includes a second flexible portion surrounding the pickup outlet and abutting against the microphone assembly. The second flexible portion also has a flexible texture; when subjected to pressure, it can compress and deform, pressing tightly against the surface of the microphone assembly, thereby reducing the gap between the sealing bracket and the microphone assembly, improving the sealing effect of the sealing bracket at the pickup outlet, reducing sound leakage at the pickup outlet, and thus enhancing the pickup effect of the microphone assembly.

[0016] In another possible technical solution, a first sealant is provided between the sealing bracket and the first fixing structure, surrounding the periphery of the sound pickup inlet. The first sealant can diffuse outwards under the compression of the sealing bracket and the first fixing structure, filling the gap between them, thereby improving the sealing effect and reducing sound leakage at the sound pickup inlet, thus enhancing the sound pickup performance of the microphone assembly. And / or, a second sealant is provided between the sealing bracket and the microphone assembly, surrounding the periphery of the sound pickup outlet. The function of the second sealant is similar to that of the first sealant and will not be elaborated upon here.

[0017] In one possible configuration of the first sealant, the sealing bracket includes a first flexible portion, with the first sealant located between the first flexible portion and the first fixing structure. In another possible configuration of the second sealant, the sealing bracket includes a second flexible portion, with the second sealant located between the second flexible portion and the microphone assembly.

[0018] In one possible technical solution, the microphone terminal device further includes a support base, which is supported on the bottom of the microphone assembly; and one of the support base and the sealing bracket has a snap-fit, while the other has a slot, with the snap-fit ​​and slot engaging. After the sealing bracket and the support base are connected in the above manner, the stability of the sealing bracket can be improved, thereby reducing the risk of the sealing bracket detaching from the first fixing structure and the first sub-part of the positioning bracket. Of course, in addition to the above method, the sealing bracket and the support base can also achieve this effect by adhesive bonding or fastener connection.

[0019] To improve the stability of the positioning bracket, one possible technical solution is to fix the positioning bracket and the sealing bracket together. Another possible technical solution is to fix the positioning bracket and the first fixing structure together. Yet another possible technical solution is to fix the positioning bracket and the second fixing structure together. In practice, one or more of the above solutions can be used to achieve the desired effect.

[0020] In one possible technical solution for configuring the positioning bracket, in addition to the first sub-part, the positioning bracket also includes a second sub-part. The second sub-part is located on the side of the sealing bracket opposite to the microphone assembly, and the second sub-part is connected to the first sub-part. The second sub-part can prevent the sealing bracket from detaching from the first fixing structure and the first sub-part of the positioning bracket. Furthermore, during the installation of the positioning bracket, the second sub-part can be compressed, causing the positioning bracket to move in a second direction.

[0021] In one possible technical solution for fixing the aforementioned positioning bracket, the peripheral surface of the second sub-part has a first receiving groove containing a first adhesive. The first adhesive bonds the second sub-part and the first fixing structure. The first receiving groove increases the amount of first adhesive used, resulting in a thicker layer of first adhesive, thereby improving the bonding effect between the second sub-part and the first fixing structure. In another possible technical solution, the peripheral surface of the second sub-part has a second receiving groove containing a second adhesive. The second adhesive bonds the second sub-part and the second fixing structure. The second receiving groove has the same effect as the first receiving groove, and will not be described further here.

[0022] In specific implementation, either a first receiving groove or a second receiving groove can be provided on the peripheral surface of the second sub-part, or both a first receiving groove and a second receiving groove can be provided simultaneously.

[0023] In a specific configuration of the microphone assembly, one possible technical solution includes a microphone device, a first circuit board, and a first reinforcing plate. The microphone device and the first circuit board are electrically connected, with the microphone device located on the side of the first circuit board facing away from the sealing bracket. The first reinforcing plate is located on the side of the first circuit board facing the sealing bracket and abuts against the sealing bracket. Optionally, the first reinforcing plate can directly abut against the sealing bracket, or it can indirectly abut against the sealing bracket. The first reinforcing plate provides support to the side of the first circuit board facing away from the microphone device, preventing the first circuit board from deforming.

[0024] Specifically, when setting the sound inlet hole in the aforementioned microphone assembly, the sound inlet hole penetrates through the first circuit board and the first reinforcing plate.

[0025] To reduce dust ingress into the microphone assembly, one possible solution involves a dustproof mesh between the sealing bracket and the microphone assembly, covering the microphone assembly's sound inlet. Another possible solution is to place a dustproof mesh between the first fixing structure and the sealing bracket, covering the sound pickup inlet.

[0026] In one possible technical solution, the microphone assembly includes a microphone device and a first circuit board, which are electrically connected. Additionally, the microphone terminal device includes a second circuit board and a third circuit board, wherein the second circuit board is electrically connected to the first circuit board, and the second circuit board is bent relative to the first circuit board. The second circuit board is located on the side of the sealing bracket, and the second circuit board and a first portion of the positioning bracket are offset from each other on the periphery of the sealing bracket. The third circuit board is electrically connected to the second circuit board, and the third circuit board is bent relative to the second circuit board. The third circuit board is located on the side of the sealing bracket opposite to the first circuit board; or, in other words, the first circuit board and the third circuit board are located on opposite sides of the sealing bracket along a second direction.

[0027] The second circuit board is located between the first and third circuit boards, serving as a connection. The third circuit board can be used to house electronic components such as buttons and lights. Optionally, the first, second, and third circuit boards can be a single integrated structure.

[0028] In one possible technical solution, a first opening is provided between the first fixing structure and the second fixing structure, and the first opening, the pickup hole, and the microphone assembly are arranged sequentially along a second direction. During the assembly of the microphone terminal device, the sealing bracket and the positioning bracket can be inserted between the first fixing structure and the second fixing structure through the first opening.

[0029] To reduce installation errors of the sealing bracket, one possible technical solution involves a guide groove on the surface of the second fixing structure extending along a second direction. The sealing bracket has a first guide protrusion for sliding along the guide groove, allowing it to slide into the gap between the first and second fixing structures, thereby restricting rotation of the sealing bracket around the second direction. Once the sealing bracket slides to the position corresponding to the pickup hole, the pickup inlet of the sealing bracket can align with the pickup hole of the first fixing structure under the push of the first sub-part of the positioning bracket, thus reducing installation errors.

[0030] To reduce installation errors of the positioning bracket, one possible technical solution is that the first sub-part has a second guide protrusion for sliding along a guide groove. This allows the positioning bracket to slide into the gap between the sealing bracket and the second fixing structure, thereby restricting rotation of the positioning bracket around a second direction. This ensures that the first sub-part of the positioning bracket can be inserted into a predetermined position within the gap between the sealing bracket and the second fixing member, or, in other words, that the first sub-part of the positioning bracket can be inserted into a predetermined position on the side of the sealing bracket, thus reducing installation errors. Furthermore, the first sub-part of the positioning bracket can push the sealing bracket towards the direction facing the pickup hole, preventing misalignment between the pickup inlet of the sealing bracket and the pickup hole after the sealing bracket and the first fixing member abut.

[0031] In practice, the two technical solutions mentioned above can be implemented individually or in combination.

[0032] In one possible technical solution, the microphone terminal device includes a cylindrical housing surrounding the microphone assembly, and the first fixing structure and the second fixing structure are different parts of the housing.

[0033] This application does not limit the type of microphone terminal device. Optionally, the microphone terminal device can be any one of a stylus, voice recorder, mobile phone, earphone, hearing aid, microphone, voice control device, or in-vehicle voice interaction device. Of course, the microphone terminal device can also be other terminals that need to record sound, which are not listed in this application.

[0034] Secondly, embodiments of this application also provide an electronic device. This electronic device includes an electronic device body and a microphone terminal device as described in any of the technical solutions of the first aspect. The microphone terminal device includes a microphone assembly, a sealing bracket, and a positioning bracket. Under the constraint of the positioning bracket, the sealing bracket can abut against a first fixed structure, thereby connecting the sound pickup channel of the sealing bracket with the sound pickup hole of the first fixed structure. The sealing bracket can confine the sound propagation path within the sound pickup channel, thereby reducing the loss caused by sound propagating throughout the terminal device, increasing the sound intake of the microphone assembly, and improving the sound pickup effect of the microphone assembly. Furthermore, in the above-mentioned electronic device, the microphone terminal device also includes a communication component, which is connected to the microphone assembly. The communication component is used to transmit the electrical signal generated by the microphone assembly to the electronic device body. Optionally, the electronic device body is a mobile phone, and the microphone terminal device is an earphone. Alternatively, the electronic device body is a tablet computer, and the microphone terminal device is a stylus. Attached Figure Description

[0035] Figure 1 is a schematic diagram of an electronic device provided in an embodiment of this application;

[0036] Figure 2 is a schematic diagram of a microphone terminal device provided in an embodiment of this application;

[0037] Figure 3 is an assembly schematic diagram of a microphone terminal device provided in an embodiment of this application;

[0038] Figure 4 is another assembly diagram of the microphone terminal device provided in the embodiment of this application;

[0039] Figure 5 is an exploded view of the microphone terminal device provided in an embodiment of this application;

[0040] Figure 6 is a cross-sectional view of the microphone terminal device shown in Figure 5;

[0041] Figure 7 is a structural schematic diagram of the sealing bracket provided in an embodiment of this application from one perspective;

[0042] Figure 8 is a cross-sectional view of the sealing bracket provided in an embodiment of this application;

[0043] Figure 9 is an exploded view of the sealing bracket, microphone assembly, and support provided in an embodiment of this application from one perspective.

[0044] Figure 10 is an exploded view of the sealing bracket, microphone assembly, and support provided in the embodiment of this application from another perspective.

[0045] Figure 11 is an exploded view of the sealing bracket and positioning bracket provided in the embodiments of this application;

[0046] Figure 12 is a structural schematic diagram of the sealing bracket provided in an embodiment of this application from another perspective;

[0047] Figure 13 is a structural schematic diagram of the positioning bracket provided in an embodiment of this application from one perspective;

[0048] Figure 14 is a structural schematic diagram of the positioning bracket provided in an embodiment of this application from another perspective;

[0049] Figure 15 is a schematic diagram of the microphone assembly provided in an embodiment of this application;

[0050] Figure 16 is an exploded view of the microphone assembly and support provided in an embodiment of this application;

[0051] Figure 17 is an exploded view of the support base and support plate provided in the embodiment of this application;

[0052] Figure 18 is a schematic diagram of the assembly of the microphone assembly, the first circuit board, the second circuit board, the sealing bracket, and the positioning bracket provided in the embodiments of this application.

[0053] Reference numerals: 01-Microphone terminal device; 02-Electronic device body; 10-Microphone assembly; 101-Sound inlet; 11-Microphone device; 12-First circuit board; 13-First reinforcing plate; 20-Communication assembly; 30-First fixing structure; 301-Pickup hole; 40-Second fixing structure; 401-Guide groove; 50-Support base; 501-First limiting boss; 502-Groove; 503-First wall surface; 504-Second wall surface; 505-Connecting surface; 60-Sealing bracket; 601-Pickup channel; 6011-Pickup inlet; 6012-Pickup outlet; 602-First guide protrusion; 603-First guide surface; 6031-First end; 6032-Second end; 604-Limiting wall; 605-Second limiting boss; 61-First flexible part; 62-Second flexible part; 63-Main body; 70-Positioning bracket; 71-First part; 711-Second guide protrusion; 712-Second guide surface; 713-Slanted side; 714-First receiving groove; 715-Second receiving groove; 7121-Third end; 7122-Fourth end; 72-Second part; 721-Hollow structure; 80-Second circuit board; 90-Third circuit board; 100-Main circuit board; 110-Housing; 120-Cap; 130-Dustproof net; 140-Second reinforcing plate; 150-Support piece; A-Snap fastener;B - Slot; C1 - First protrusion; D1 - First recess; C2 - Second protrusion; D2 - Second recess; C3 - Third protrusion; D3 - Third recess; C4 - Third protrusion; D4 - Third recess; K1 - First notch; K2 - Second notch; K3 - Third notch; K4 - Fourth notch; M - First opening. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of this application clearer, the application will be further described in detail below with reference to the accompanying drawings. However, the exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein. The same reference numerals in the figures denote the same or similar structures, and therefore repeated descriptions of them will be omitted. The terms expressing position and direction described in the embodiments of this application are illustrative based on the accompanying drawings, but changes can be made as needed, and all such changes are included within the scope of protection of this application. The accompanying drawings of the embodiments of this application are for illustrating relative positional relationships only and do not represent actual scale.

[0055] It should be noted that specific details are set forth in the following description to facilitate understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0056] To facilitate understanding of the technical solution provided in this application, the application scenario is first introduced below. With the rapid development of electronic technology, many terminal devices have built-in microphones. A microphone is a common sound pickup device that converts sound signals into electrical signals. Depending on the sound-to-electrical conversion principle, microphones include various types, such as dynamic microphones, condenser microphones, and piezoelectric microphones, which will not be listed here. After the microphone converts the sound signal into an electrical signal, the terminal device can store the electrical signal. Alternatively, the terminal device can also transmit the electrical signal to other terminal devices through a communication module, thereby interacting with other terminal devices to achieve richer functions.

[0057] Typically, a terminal device includes a housing and a microphone housed within the housing. The housing has a pickup hole through which external sound can travel to the microphone. However, sound tends to diffuse as it travels within the housing, reducing the volume of the sound actually picked up by the microphone and thus affecting its pickup performance.

[0058] In view of the above, embodiments of this application provide a microphone terminal device and an electronic device including the microphone terminal device to improve the sound pickup effect of the microphone. This application does not limit the specific type of microphone terminal device. Optionally, the microphone terminal device can be a stylus, voice recorder, mobile phone, earphone, hearing aid, microphone, voice control device, or in-vehicle voice interaction device, or other terminal that needs to record sound. In one embodiment, the microphone terminal device is a stylus. The stylus can be used for text input and drawing. Furthermore, in Windows systems, the stylus can also replace the mouse for various operations. In addition to the above functions, after building a microphone component into the stylus, it can also be used for recording and transmitting voice information to terminals such as mobile phones and tablets, thereby enriching the functionality of the stylus.

[0059] Figure 1 is a schematic diagram of an electronic device provided in an embodiment of this application. As shown in Figure 1, in one embodiment, the electronic device includes a microphone terminal device 01 and an electronic device body 02. The microphone terminal device 01 includes a microphone assembly 10 and a communication component 20, which are signal-connected. The communication component 20 is used to transmit the electrical signal generated by the microphone assembly 10 to the electronic device body 02. This application does not limit the specific type of the communication component 20; optionally, the communication component 20 can be one or more of Bluetooth, Wi-Fi, or wireless cellular network modules. This application also does not limit the specific type of the electronic device body 02; optionally, the electronic device body 02 can be a mobile phone or a tablet computer.

[0060] In one specific embodiment, the electronic device body 02 is a mobile phone, and the microphone terminal device 01 is an earphone. In one application scenario, a user can use the above-mentioned electronic device to make a call. During the call, the user's voice is first converted into an electrical signal by the microphone component 10 in the earphone; then, the electrical signal is encoded and converted into a digital signal, which is then transmitted to the mobile phone via the communication component 20; next, the mobile phone sends the digital signal to the other party's mobile phone via the telephone network; finally, the other party's mobile phone decodes the received digital signal, and the decoded sound is played out through the other party's earphone or speaker, thus being heard by the other party.

[0061] In another specific embodiment, the electronic device body 02 is a tablet computer, and the microphone terminal device 01 is a stylus. In one application scenario, a user can use the stylus to record audio. In this process, external sound is first converted into an electrical signal by the microphone component 10 in the stylus, and the processed electrical signal can be transmitted to the tablet computer via the communication component 20. In another application scenario, a user can use the stylus to wake up the voice assistant on the tablet computer and send commands to the voice assistant through the stylus, enabling the voice assistant to perform certain functions on the tablet computer, thereby achieving the purpose of remotely controlling the tablet computer. For example, a user can use the stylus to issue a command to the voice assistant to play music, causing the tablet computer to play music. Another example is that a user can use the stylus to issue a command to the voice assistant to make a phone call, causing the tablet computer to make a phone call. In the above processes, the user's voice is also first converted into an electrical signal by the microphone component 10 in the stylus, and the processed electrical signal can be transmitted to the tablet computer via the communication component 20.

[0062] The stylus can be used to wake up the voice assistant in ways including, but not limited to, voice wake-up and button wake-up. Specifically, the user can speak a wake-up word to the stylus, and the microphone component 10 inside the stylus converts the wake-up word into an electrical signal. The communication component 20 then transmits this electrical signal to the tablet computer, thereby waking up the voice assistant. Alternatively, the stylus can also have a button. When the user needs to wake up the voice assistant, they can press the button, causing the internal circuitry of the stylus to generate an electrical signal. The communication component 20 then transmits the corresponding electrical signal to the tablet computer, thus waking up the voice assistant. Compared to tablet computers, styluses are lightweight and portable. During use, users can move freely with the stylus within a certain range of the tablet computer without having to constantly carry the tablet computer with them, thus providing greater convenience.

[0063] Figure 2 is a schematic diagram of a microphone terminal device provided in an embodiment of this application. As shown in Figure 2, in one embodiment, in addition to the microphone assembly 10, the microphone terminal device 01 also includes a first fixing structure 30 and a second fixing structure 40. Taking the microphone assembly 10 as a reference, the first fixing structure 30 and the second fixing structure 40 are disposed on opposite sides of the microphone assembly 10 along a first direction X, and the first fixing structure 30 has a pickup hole 301. The pickup hole 301 is a through hole penetrating the first fixing structure 30, and the pickup hole 301 is used to transmit external sound to the microphone assembly 10. The microphone assembly 10 has a sound inlet 101, through which external sound can propagate to the inside of the microphone assembly 10, thereby triggering sound-to-electricity conversion.

[0064] When specifically configuring the first fixing structure 30 and the second fixing structure 40, the first fixing structure 30 and the second fixing structure 40 can each be a part of the housing of the microphone terminal device 01. Alternatively, the first fixing structure 30 and the second fixing structure 40 can each be internal components of the microphone terminal device 01. Furthermore, the first fixing structure 30 and the second fixing structure 40 can each be either a part of the housing of the terminal device or an internal component of the terminal device. In one specific embodiment, the microphone terminal device 01 includes a cylindrical housing surrounding the microphone assembly 10, and the aforementioned first fixing structure 30 and the second fixing structure 40 are different parts of this housing.

[0065] Referring to Figure 2, in one embodiment, the microphone terminal device 01 further includes a support base 50, which supports the bottom of the microphone assembly 10, thereby providing support for the microphone assembly 10. The support base 50 can be arranged in several ways. In one arrangement, the support base 50 is located inside the first fixing structure 30 and the second fixing structure 40. The support base 50 has a support surface and a bottom surface that are disposed opposite to each other. The support surface, the first fixing structure 30, and the second fixing structure 40 form a first subspace, and the bottom surface, the first fixing structure 30, and the second fixing structure 40 form a second subspace. Both the first and second subspaces can be used to accommodate some internal components of the microphone terminal device 01. Furthermore, the support base 50 avoids the pickup hole 301 of the first fixing structure 30, thus not obstructing the pickup hole 301 of the first fixing structure 30. In another arrangement, the support base 50 is located outside the first fixing structure 30 and the second fixing structure 40. The support base 50 has a support surface, and the support surface, the first fixing structure 30, and the second fixing structure 40 form a receiving space, which can be used to accommodate some internal components of the microphone terminal device 01. In the above arrangement, both the first fixing structure 30 and the second fixing structure 40 are perpendicular to the plane containing the support surface.

[0066] To improve the sound pickup effect of the microphone assembly 10, as shown in Figure 2, in one embodiment, the microphone terminal device 01 further includes a sealing bracket 60 and a positioning bracket 70. The sealing bracket 60 and the positioning bracket 70 are located between the first fixing structure 30 and the second fixing structure 40, and the sealing bracket 60, the positioning bracket 70, and the microphone assembly 10 are all located on the same side of the support base 50. Regarding the sealing bracket 60, the sealing bracket 60 and the microphone assembly 10 are arranged along a second direction Z. The second direction Z is perpendicular to the plane where the microphone assembly 10 is located. In a specific embodiment, the second direction Z is also perpendicular to the first direction X. The bottom wall of the sealing bracket 60 abuts against the microphone assembly 10; optionally, the bottom wall of the sealing bracket 60 can abut directly or indirectly against the microphone assembly 10. The side wall of the sealing bracket 60 abuts against the first fixing structure 30; optionally, the side wall of the sealing bracket 60 can abut directly or indirectly against the first fixing structure 30. The sealed bracket 60 has a pickup channel 601 inside. One end of the pickup channel 601 faces the pickup hole 301 of the first fixed structure 30, and the other end faces the sound inlet hole 101 of the microphone assembly 10. The pickup channel 601 connects the pickup hole 301 and the sound inlet hole 101.

[0067] The pickup channel 601 can be L-shaped or arc-shaped. Of course, the pickup channel 601 can also be other shapes, which will not be listed here. The pickup channel 601 has a pickup inlet 6011 and a pickup outlet 6012. The pickup inlet 6011 is located on the side wall of the sealing bracket 60 and faces the first fixed structure 30. The pickup outlet 6012 is located on the bottom wall of the sealing bracket 60 and faces the microphone assembly 10. Regarding the pickup inlet 6011, its orthographic projection on the surface of the first fixed structure 30 at least partially overlaps with the pickup hole 301. Optionally, the orthographic projection of the pickup inlet 6011 on the surface of the first fixed structure 30 can completely cover the pickup hole 301, thereby preventing the sealing bracket 60 from obstructing the pickup hole 301. With regard to the pickup outlet 6012, the orthographic projection of the pickup outlet 6012 on the microphone assembly 10 at least partially overlaps with the sound inlet 101. Optionally, the orthographic projection of the pickup outlet 6012 on the microphone assembly 10 can completely cover the sound inlet 101, thereby increasing the amount of sound entering the microphone assembly 10.

[0068] Regarding the positioning bracket 70, the positioning bracket 70 includes a first sub-part 71, which is located between the sealing bracket 60 and the second fixing structure 40, and the first sub-part 71 contacts both the sealing bracket 60 and the second fixing structure 40. The first sub-part 71 is used to compress the sealing bracket 60, causing the sealing bracket 60 to abut against the first fixing structure 30, thereby allowing the sealing bracket 60 to fit tightly against the surface of the first fixing structure 30. This reduces the gap between the sealing bracket 60 and the first fixing structure 30, resulting in less sound leakage when sound enters the pickup channel 601 through the pickup hole 301, and increasing the sound intake of the microphone assembly 10.

[0069] During operation, external sound first enters the microphone terminal device 01 through the pickup hole 301. Inside the microphone terminal device 01, the sound continues to propagate along the pickup channel 601. Finally, the sound travels from the pickup channel 601 to the sound inlet 101 of the microphone assembly 10. In this process, the sealing bracket 60 confines the sound propagation path within the terminal device to the pickup channel 601, thereby reducing sound loss caused by sound propagating throughout the terminal device, increasing the sound intake of the microphone assembly 10, and improving the sound pickup effect of the microphone assembly 10. Furthermore, during sound propagation within the pickup channel 601, multiple reflections occur, causing the echo and sound source to overlap, thus increasing the volume and further enhancing the sound pickup effect of the microphone assembly 10.

[0070] Figure 3 is a schematic diagram of an assembly of a microphone terminal device provided in an embodiment of this application. As shown in Figure 3, in one embodiment, a first opening M is provided between the first fixing structure 30 and the second fixing structure 40 in the microphone terminal device, and the first opening M and the microphone assembly 10 are distributed on both sides of the pickup hole 301 along the second direction Z. Alternatively, the pickup hole 301 is located between the first opening M and the microphone assembly 10. During the assembly process of the microphone terminal device 01, the support base 50, the microphone assembly 10, etc., can be inserted into the space enclosed by the first fixing structure 30 and the second fixing structure 40 through the first opening M. Optionally, the microphone terminal device 01 further includes a cap, which can seal the first opening M after assembly.

[0071] During the assembly process of the microphone terminal device 01, firstly, the sealing bracket 60, or a combination of the sealing bracket 60 and other components, is inserted through the first opening M into the space between the first fixed structure 30 and the second fixed structure 40; at this time, there are gaps between the sealing bracket 60 and both the first and second fixed structures 30 and 40. Then, the positioning bracket 70 is also inserted through the first opening M into the space between the first and second fixed structures 30 and 40, and the first sub-part 71 of the positioning bracket 70 is inserted into the gap between the sealing bracket 60 and the second fixed structure 40. During the insertion of the first sub-part 71 into the gap, the first sub-part 71 pushes the sealing bracket 60 closer to the first fixed structure 30. After the positioning bracket 70 is in place, the sealing bracket 60 and the first fixed structure 30 abut against each other, or in other words, the sealing bracket 60 is tightly attached to the surface of the first fixed structure 30. At this time, the pickup inlet 6011 of the pickup channel 601 is connected to the pickup hole 301 of the first fixed structure 30.

[0072] It is worth noting that the aforementioned "combination of sealing bracket 60 and other components" can be a combination of sealing bracket 60 and components such as support base 50 and microphone assembly 10. That is, during the assembly process of microphone terminal device 01, components such as sealing bracket 60, support base 50, and microphone assembly 10 can be first assembled into a whole; then, this whole can be placed into the space between first fixing structure 30 and second fixing structure 40 through the first opening M; then, positioning bracket 70 can be placed into the space between first fixing structure 30 and second fixing structure 40 through the first opening M, so that the first sub-part 71 of positioning bracket 70 is inserted into the gap between sealing bracket 60 and second fixing structure 40.

[0073] During the process of inserting the sealing bracket 60 or a combination of the sealing bracket 60 and other components between the first fixed structure 30 and the second fixed structure 40 through the first opening M, once the sealing bracket 60 rotates, when the sealing bracket 60 and the first fixed member 30 abut against each other, the sound pickup inlet 6011 of the sealing bracket 60 and the sound pickup hole 301 of the first fixed structure 30 will be misaligned, thereby affecting the entry of external sound into the sound pickup channel 601 through the sound pickup hole 301.

[0074] In view of the above, this application provides a microphone terminal device. The assembly process of the microphone terminal device is shown in FIG4. The surface of the second fixing structure 40 has a guide groove 401 extending along the second direction Z. The sealing bracket 60 has a first guide protrusion 602 protruding from the surface of the main body of the sealing bracket 60 and sliding along the guide groove 401, allowing the sealing bracket 60 to slide into the gap between the first fixing structure 30 and the second fixing structure 40. Thus, during the installation of the sealing bracket 60, the first guide protrusion 602 of the sealing bracket 60 can be accommodated within the guide groove 401, and the sealing bracket 60 can slide along the guide groove 401 into the gap between the first fixing structure 30 and the second fixing structure 40, thereby limiting the rotation of the sealing bracket 60 around the second direction Z and reducing the installation error of the sealing bracket 60. After the sealing bracket 60 slides along the guide groove 401 to the position corresponding to the pickup hole 301, under the push of the first sub-part 71 of the positioning bracket 70, the sealing bracket 60 and the first fixing structure 30 abut against each other, and the pickup inlet 6011 of the sealing bracket 60 can be connected with the pickup hole 301 of the first fixing structure 30, and the two are not easy to misalign.

[0075] During the process of inserting the positioning bracket 70 through the first opening M between the first fixing structure 30 and the second fixing structure 40, if the positioning bracket 70 rotates, the first sub-part 71 of the positioning bracket 70 may be blocked by the sealing bracket 60 and unable to be inserted into the gap between the sealing bracket 60 and the second fixing member 40. Alternatively, although the first sub-part 71 of the positioning bracket 70 is inserted into the gap between the sealing bracket 60 and the second fixing member 40, the position of the first sub-part 71 deviates from the preset position, causing the first sub-part 71 of the positioning bracket 70 to push the sealing bracket 60 in a direction away from the pickup hole 301. This causes the pickup inlet 6011 and the pickup hole 301 of the sealing bracket 60 to become misaligned after the sealing bracket 60 and the first fixing member 30 come into contact, thereby affecting the entry of external sound into the pickup channel 601 of the sealing bracket 60 through the pickup hole 301.

[0076] In view of the above, as shown in FIG4, in one embodiment, the first sub-part 71 of the positioning bracket 70 has a second guide protrusion 711. The second guide protrusion 711 is used to slide along the guide groove 401, so that the first sub-part 71 slides into the gap between the sealing bracket 60 and the second fixing structure 40. In this way, during the installation of the positioning bracket 70, at least a portion of the second guide protrusion 711 can be accommodated in the guide groove 401, and the positioning bracket 70 can slide along the guide groove 401 into the gap between the sealing bracket 60 and the second fixing structure 40, thereby restricting the positioning bracket 70 from rotating about the second direction Z, so that the first sub-part 71 of the positioning bracket 70 can be inserted into a preset position in the gap between the sealing bracket 60 and the second fixing member 40, or in other words, so that the first sub-part 71 of the positioning bracket 70 can be inserted into a preset position on the side of the sealing bracket 60, thereby reducing the installation error of the positioning bracket 70. The first sub-part 71 of the positioning bracket 70 can push the sealing bracket 60 to move in the direction facing the pickup hole 301, so that after the sealing bracket 60 and the first fixing member 30 abut against each other, the pickup inlet 6011 of the sealing bracket 60 is not easily misaligned with the pickup hole 301.

[0077] In some other embodiments, the second fixing structure 40 has a guide protrusion that protrudes from the surface of the main body portion of the second fixing structure 40 and extends along the second direction Z. The sealing bracket 60 and the positioning bracket 70 each have a guide groove that mates with the guide protrusion. During the installation of the sealing bracket 60 and the positioning bracket 70, the above-mentioned effects can also be achieved through the cooperation of the guide protrusion and the guide groove, which will not be described in detail in this application.

[0078] In specific implementation, the arrangement of the guide protrusion and guide groove in the above embodiments can be applied to the sealing bracket 60 and positioning bracket 70 corresponding to Figures 5 to 16 described below.

[0079] The above content mainly introduces the components included in the microphone terminal device 01, the basic structure of the components, and the possible assembly relationships between different components. This architecture can be applied to various microphone terminal devices 01. Figure 5 is an exploded view of a microphone terminal device provided in an embodiment of this application, and Figure 6 is a cross-sectional view of the microphone terminal device. As shown in Figures 5 and 6, the microphone terminal device 01 applies the above-mentioned architecture and has been further designed in more detail based on the above architecture. The microphone terminal device 01 will be further introduced below. In order to better understand the structure of the microphone terminal device 01, it will be presented in various forms such as spatial structure diagrams, cross-sectional views, assembly effect diagrams of multiple components, and exploded views during the introduction. It should be understood that some specific designs, such as sealing designs and limiting designs, can also be applied to other microphone terminal devices.

[0080] As shown in Figures 5 and 6, the microphone terminal device 01 includes a cylindrical housing 110. The first fixing structure 30 and the second fixing structure 40 are different parts of the housing 110. The microphone assembly 10, the support base 50, the sealing bracket 60, and the positioning bracket 70 are all located inside the housing 110. One end of the housing 110 has a first opening M, and a cap 120 is provided at the first opening M.

[0081] As an example, the microphone terminal device 01 described above can be a stylus. Correspondingly, the electronic device body 02 can be a tablet computer. The stylus housing 110 may also include an adsorption part extending along the length of the stylus. The outer surface of the adsorption part is flat, and it is used to attract the electronic device body 02, thereby combining the stylus and the electronic device body 02. In a specific implementation, the adsorption part is made of metal, and the electronic device body 02 has ferromagnetic components inside. When the adsorption part of the housing 110 approaches the electronic device body 02, it can be attracted by the electronic device body 02, thus adhering to the surface of the electronic device 02. Since the surface of the adsorption part facing the electronic device body 02 is flat, the adsorption part and the electronic device body 02 have a large contact area, thereby improving the adsorption effect between the stylus and the electronic device body 02. The inner surface of the adsorption part has reinforcing ribs, which can improve the structural strength of the adsorption part, making it less prone to deformation.

[0082] The housing 110 of the aforementioned microphone terminal device 01 is a long and narrow cylindrical shape with a relatively small internal space. During assembly, the sealing bracket 60 and positioning bracket 70 can be assembled using the embodiments shown in Figures 3 or 4, allowing the sealing bracket 60 to abut against the first fixing structure 30, thereby connecting the pickup hole 301 and the sound inlet hole 101 of the microphone assembly 10. This reduces assembly difficulty and ensures the sound pickup effect of the microphone assembly 10.

[0083] Figure 7 is a structural schematic diagram of the sealing bracket provided in an embodiment of this application from one perspective, and Figure 8 is a cross-sectional view of the sealing bracket provided in an embodiment of this application. As shown in Figures 7 and 8, in one embodiment, the sealing bracket 60 has a first flexible portion 61, which surrounds the periphery of the sound pickup inlet 6011 and abuts against the first fixed structure 30. The first flexible portion 61 is soft in texture. Under the squeezing action of the first sub-part 71 of the positioning bracket 70, the first flexible portion 61 can undergo compression deformation, thereby closely adhering to the first fixed structure 30, thus reducing the gap between the sealing bracket 60 and the first fixed structure 30, improving the sealing effect between the sealing bracket 60 and the first fixed structure 30, resulting in less sound leakage at the sound pickup inlet 6011, and enhancing the sound pickup effect of the microphone assembly 10. Optionally, the first flexible portion 61 can be foam or silicone.

[0084] In the specific fabrication of the sealing bracket 60, a rigid material can be selected to fabricate the main body of the sealing bracket 60, and a flexible material such as foam or silicone can be selected to fabricate the first flexible part 61. The main body and the first flexible part 61 of the sealing bracket 60 can be bonded together or formed into an integral structure through injection molding.

[0085] To improve the sealing effect between the sealing bracket 60 and the first fixing structure 30, in other embodiments, a first sealant may be provided on the surface of the sealing bracket 60 facing the first fixing structure 30, and the first sealant surrounds the periphery of the pickup inlet 6011. The first sealant can spread outwards under the compression of the sealing bracket 60 and the first fixing structure 30, filling the gap between them. After curing, the first sealant blocks the communication between the pickup channel 601 and the external space around the pickup inlet 6011, further improving the sealing effect between the sealing bracket 60 and the first fixing structure 30, resulting in less sound leakage at the pickup inlet 6011, thereby improving the sound intake and pickup effect of the microphone assembly 10.

[0086] When selecting the first sealant, a relatively viscous adhesive can be chosen to reduce its flowability. This allows the sealant to adhere to the peripheral surface of the pickup inlet 6011 before the sealing bracket 60 moves into place, preventing it from flowing downwards under gravity. For the same reason, in one embodiment, the sealing bracket 60 has a first groove on its surface facing the first fixing structure 30. The first groove is annular around the pickup inlet 6011 and is used to store the first sealant. The first groove provides a space for the sealant, making it easier for it to adhere to the surface of the sealing bracket 60 and preventing it from flowing downwards under gravity. Furthermore, the first groove increases the amount of sealant, improving the sealing effect.

[0087] In the specific fabrication of the sealing bracket 60, a rigid material can be selected to fabricate the sealing bracket 60, and a first sealant is provided between the sealing bracket 60 and the first fixing structure 30. Alternatively, a rigid material can be selected to fabricate the main body of the sealing bracket 60, and a flexible material such as foam or silicone can be selected to fabricate the first flexible part 61. The first sealant is provided between the first flexible part 61 and the first fixing structure 30, and the first sealant can play a sealing role between the sealing bracket 60 and the first fixing member 30. When a local area of ​​the first flexible part 61 is still in direct contact with the first fixing structure 30, the aforementioned area can be tightly adhered to the first fixing structure 30 under compression, thereby also improving the sealing performance between the sealing bracket 60 and the first fixing structure 30.

[0088] Referring to Figures 5 and 6, during the assembly of the sealing bracket 60 and the positioning bracket 70 into the housing 110 of the microphone terminal device 01, firstly, the sealing bracket 60, or a combination of the sealing bracket 60 and other components, is inserted through the first opening M between the first fixing structure 30 and the second fixing structure 40. The sealing bracket 60 has a first flexible portion 61. During this process, a certain gap is maintained between the sealing bracket 60 and the first fixing structure 30, preventing the first flexible portion 61 from interfering with the first fixing structure 30. In other words, the first flexible portion 61 will not rub against the first fixing structure 30 during the process, thus preventing deformation due to friction. Then, the positioning bracket 70 is inserted through the first opening M between the first fixing structure 30 and the second fixing structure 40, and the first sub-part 71 of the positioning bracket 70 is inserted into the gap between the sealing bracket 60 and the second fixing structure 40. During this process, the first sub-part 71 can push the sealing bracket 60 gradually closer to the first fixed structure 30, so that the first flexible part 61 is compressed and deformed under the positive pressure of the first fixed structure 30, thereby closely fitting with the first fixed structure 30, and thus improving the sealing effect between the sealing bracket 60 and the first fixed structure 30.

[0089] Alternatively, firstly, a first sealant can be applied to the peripheral surface of the pickup inlet 6011. Then, the sealing bracket 60, or a combination of the sealing bracket 60 and other components, is inserted through the first opening M between the first fixing structure 30 and the second fixing structure 40. During this process, a certain gap can be maintained between the sealing bracket 60 and the first fixing structure 30, thereby reducing friction of the first sealant. Next, the first sub-part 71 of the positioning bracket 70 is inserted into the gap between the sealing bracket 60 and the second fixing structure 40; during this process, the first sub-part 71 can push the sealing bracket 60 gradually closer to the first fixing structure 30. Finally, the first sealant, under the pressure between the sealing bracket 60 and the first fixing structure 30, spreads outwards and fills the gap between them. After the first sealant cures, it seals the communication between the pickup channel 601 and the external space on the periphery of the pickup inlet 6011, thereby further improving the sealing effect between the sealing bracket 60 and the first fixing structure 30.

[0090] Referring to Figures 7 and 8, to improve the sealing effect between the sealing bracket 60 and the microphone assembly 10, in one embodiment, the sealing bracket 60 includes a second flexible portion 62 surrounding the pickup outlet 6012. The second flexible portion 62 is soft and, when subjected to pressure, can compress and deform, pressing tightly against the surface of the microphone assembly 10. This reduces the gap between the sealing bracket 60 and the microphone assembly 10, improving the sealing effect of the sealing bracket 60 at the pickup outlet 6012, resulting in less sound leakage at the pickup outlet 6012, and thus enhancing the sound pickup effect of the microphone assembly 10. Optionally, the second flexible portion 62 can be foam or silicone.

[0091] In the specific fabrication of the sealing bracket 60, a rigid material can be selected to fabricate the main body of the sealing bracket 60, and a flexible material such as foam or silicone can be selected to fabricate the second flexible part 62. The main body and the second flexible part 62 of the sealing bracket 60 can be bonded together or formed into an integral structure through injection molding.

[0092] In other embodiments, a second sealant may be provided on the surface of the sealing bracket 60 facing the microphone assembly 10, and the second sealant surrounds the periphery of the pickup outlet 6012. The second sealant can diffuse outwards under the pressure of the sealing bracket 60 and the microphone assembly 10, filling the gap between them. After curing, the second sealant blocks the communication between the pickup channel 601 and the external space around the pickup outlet 6012, further improving the sealing effect of the sealing bracket 60 at the pickup outlet 6012, resulting in less sound leakage at the pickup outlet 6012, thereby improving the sound intake and pickup effect of the microphone assembly 10.

[0093] When specifically setting the second sealant, a second groove can be provided on the surface of the sealing bracket 60 facing the microphone assembly 10. The second groove is arranged in a ring around the pickup outlet 6012, and the second sealant can be accommodated in the second groove. The second groove provides space for the second sealant, increasing the amount of sealant and improving the sealing effect.

[0094] In the specific fabrication of the sealing bracket 60, a rigid material can be selected to fabricate the sealing bracket 60, and a second sealant is provided between the sealing bracket 60 and the microphone assembly 10. Alternatively, a rigid material can be selected to fabricate the main body of the sealing bracket 60, and a flexible material such as foam or silicone can be selected to fabricate the second flexible part 62. A second sealant is provided between the second flexible part 62 and the microphone assembly 10, and the second sealant can play a sealing role between the sealing bracket 60 and the microphone assembly 10. When a local area of ​​the second flexible part 62 is still in direct contact with the microphone assembly 10, the aforementioned area can be tightly adhered to the first fixing structure 30 under compression, thereby also improving the sealing performance between the sealing bracket 60 and the microphone assembly 10.

[0095] Referring to Figures 7 and 8, in one embodiment, the sealing bracket 60 includes a first flexible portion 61, a second flexible portion 62, and a main body portion 63. The first flexible portion 61 is located on the side of the main body portion 63, and the second flexible portion 62 is located at the bottom of the main body portion 63, with both portions fixedly connected to the main body portion 63. The main body portion 63 is relatively rigid and not easily deformed by compression, thus able to withstand the pressure from the positioning bracket 70. Compared to the first flexible portion 61 and the second flexible portion 62, the hardness of the main body portion 63 is greater than that of both. Optionally, the main body portion 63 can be made of rigid polyvinyl chloride, and the first flexible portion 61 and the second flexible portion 62 can be made of foam or silicone.

[0096] When connecting the main body 63 and the first flexible part 61, the main body 63 and the first flexible part 61 can be bonded by dispensing adhesive or by using adhesive backing. Alternatively, the main body 63 and the first flexible part 61 can be injection molded into an integral structure. Similarly, when connecting the main body 63 and the second flexible part 62, the main body 63 and the second flexible part 62 can also be connected using any of the above methods, which will not be elaborated further in this application. Of course, the main body 63, the first flexible part 61, and the second flexible part 62 can also be connected using other methods, which will not be listed one by one in this application.

[0097] The aforementioned sealing bracket 60 is located between the first fixing structure 30 and the first sub-part 71 of the positioning bracket 70, and is simultaneously subjected to compression from both the first fixing structure 30 and the first sub-part 71 of the positioning bracket 70. To reduce the risk of the sealing bracket 60 detaching from between the first fixing structure 30 and the first sub-part 71 of the positioning bracket 70, during installation, the sealing bracket 60 can be snapped, bonded, or connected to the support base 50 using fasteners, thereby improving the stability of the sealing bracket 60 and reducing the risk of it detaching from between the first fixing structure 30 and the first sub-part 71 of the positioning bracket 70. It is worth noting that when the sealing bracket 60 and the support base 50 are relatively fixed, when the first sub-part 71 of the positioning bracket 70 is inserted into the gap between the sealing bracket 60 and the second fixing structure 40, both the sealing bracket 60 and the support base 50 will move towards the first fixing structure 30 simultaneously.

[0098] Figures 9 and 10 are exploded views of the sealing bracket, microphone assembly, and support base provided in the embodiments of this application from different perspectives. As shown in Figures 9 and 10, in one embodiment, the sealing bracket 60, microphone assembly 10, and support base 50 are arranged along the second direction Z. One of the sealing bracket 60 and the support base 50 has a snap-fit ​​A, and the other has a slot B. The snap-fit ​​A and slot B can be engaged, thereby connecting the sealing bracket 60 and the support base 50. The design of the snap-fit ​​A and slot B features a simple structure and convenient assembly.

[0099] In one embodiment, when buckle A and slot B are specifically configured, the engagement of buckle A and slot B restricts the relative movement of the sealing bracket 60 and the support base 50 in all directions, thereby allowing the sealing bracket 60 and the support base 50 to form a single unit. When the first sub-part 71 of the positioning bracket 70 is inserted into the gap between the sealing bracket 60 and the second fixing structure 40, the sealing bracket 60 and the support base 50 move simultaneously toward the first fixing structure 30. In another embodiment, the engagement of buckle A and slot B restricts the movement of the sealing bracket 60 away from the support base 50, making it difficult for the sealing bracket 60 to detach from the first fixing structure 30 and the first sub-part 71 of the positioning bracket 70, while not restricting the sealing bracket 60 from shifting relative to the support base 50 in the direction closer to the first fixing structure 30. In this case, when the first sub-part 71 of the positioning bracket 70 is inserted into the gap between the sealing bracket 60 and the second fixing structure 40, the sealing bracket 60 can move relative to the support base 50 toward the first fixing structure 30.

[0100] Referring to Figures 9 and 10, in one embodiment, the sealing bracket 60 has multiple snap fasteners A, and the support base 50 has multiple slots B, with each snap fastener A corresponding to a slot B. Snap fasteners A protrude from the bottom wall of the sealing bracket 60. The end of snap fastener A is hook-shaped, with a guide surface and a stop surface. During insertion into slot B, the guide surface of snap fastener A contacts the side wall of the support base 50, causing snap fastener A to gradually bend and deform. Once the hook-shaped structure slides into slot B, snap fastener A returns to its original shape, and the stop surface of the hook-shaped structure abuts against slot B, making it difficult for snap fastener A to detach from slot B.

[0101] As shown in Figure 10, in the specific configuration of the sealing bracket 60, the sealing bracket 60 includes a main body 63 and a second flexible part 62. The aforementioned buckle A is located at the bottom of the main body 63 and surrounds the periphery of the second flexible part 62. Optionally, the buckle A and the main body 63 can be an integral structure.

[0102] During the installation of the sealing bracket 60 and the support base 50, pressure can be applied to the sealing bracket 60 to insert the snap-fit ​​A into the slot B. During this process, the second flexible portion 62 presses against the surface of the microphone assembly 10 and gradually undergoes compression deformation. Excessive compression of the sealing bracket 60 may cause excessive pressure on the microphone assembly 10, thereby damaging the electronic components. To reduce the risk of damage to the electronic components, as shown in Figures 9 and 10, the support base 50 has a plurality of first limiting protrusions 501 on its surface facing the sealing bracket 60. These first limiting protrusions 501 are located at the edge of the surface and surround the periphery of the microphone assembly 10. During the installation of the sealing bracket 60 and the support base 50, the compression of the second flexible portion 62 gradually increases. When the compression of the second flexible portion 62 is small, the first limiting protrusions 501 and the sealing bracket 60 are not in contact. When the second flexible portion 62 has a certain amount of compression, the first limiting protrusions 501 and the main body 63 of the sealing bracket 60 come into contact. In other words, the second flexible part 62 does not completely cover the bottom wall of the main body 63, but has a certain gap with the edge of the bottom wall of the main body 63, and the first limiting boss 501 abuts against this gap. At this time, the first limiting boss 501 supports the sealing bracket 60, preventing the sealing bracket 60 from moving further towards the support base 50. In this way, the microphone assembly 10 is prevented from being excessively squeezed by the sealing bracket 60, reducing the risk of electronic components being damaged.

[0103] It is worth noting that when the first limiting boss 501 contacts the sealing bracket 60, the buckle A is already inserted into the slot B. After the external force disappears, the stop surface at the end of the buckle A abuts against the slot B. Of course, in other embodiments, a similar limiting boss can also be provided at the bottom of the sealing bracket 60.

[0104] Additionally, the support base 50 has a first protrusion C1 on the side facing the sealing bracket 60, and the bottom edge of the main body 63 of the sealing bracket 60 has a first recess D1. After the support base 50 and the sealing bracket 60 are assembled, the first protrusion C1 is accommodated in the first recess D1. The first protrusion C1 and the first recess D1 are used to restrict the rotation of the sealing bracket 60 relative to the support base 50, thereby improving the installation accuracy of the sealing bracket 60. Of course, in other embodiments, the first protrusion C1 may also be located on the main body 63 of the sealing bracket 60, and correspondingly, the first recess D1 may also be located on the support base 50. With the cooperation of the first protrusion C1 and the first recess D1, the sealing bracket 60 and the support base 50 also have the above-mentioned effects, which will not be described in detail here.

[0105] Figure 11 is an exploded view of the sealing bracket and positioning bracket provided in an embodiment of this application. As shown in Figure 11, in one embodiment, the sealing bracket 60 has a first guide surface 603 on the side facing the first sub-part 71 of the positioning bracket 70, and the first guide surface 603 is inclined. The first guide surface 603 has a first end 6031 and a second end 6032 arranged along the second direction Z, wherein the first end 6031 is located on the side of the second end 6032 away from the microphone assembly 10, and the first end 6031 is located on the side of the second end 6032 closer to the first fixing structure 30. The first end 6031 is closer to the first fixing structure 30 than the second end 6032. In other words, the distance from the first end 6031 to the first fixing structure 30 is less than the distance between the second end 6032 and the first fixing structure 30. With reference to the support base 50, the first end 6031 is away from the support base 50, and the second end 6032 is close to the support base 50. The orthographic projection of the first end 6031 onto the surface of the support 50 is located on the side of the orthographic projection of the second end 6032 onto the surface of the support 50 closer to the first fixing structure 30.

[0106] In the aforementioned sealing bracket 60, the space between the first guide surface 603 and the corresponding end of the first end 6031 and the second fixing structure 40 is relatively large, while the space between the first guide surface 603 and the corresponding end of the second end 6032 and the second fixing structure 40 is relatively small. Therefore, during the installation of the positioning bracket 70, the end of the first sub-part 71 can be easily inserted into the space between the first guide surface 603 and the second fixing structure 40 of the sealing bracket 60. As the positioning bracket 70 approaches the support base 50, the end of the first sub-part 71 abuts against the first guide surface 603, the first sub-part 71 slides along the first guide surface 603, and pushes the sealing bracket 60 to gradually move towards the first fixing structure 30, thereby converting the linear movement of the sealing bracket 60 along the second direction Z into a horizontal movement of the sealing bracket 60 towards the first fixing structure 30. After the sealing bracket 60 and the first fixing structure 30 abut against each other, the sealing bracket 60 can no longer move, at which point the positioning bracket 70 is in place.

[0107] When specifically setting the first guide surface 603, it can be a flat surface or an arc surface. When the first guide surface 603 is pushed by the first sub-part 71 of the positioning bracket 70, the sealing bracket 60 moves towards the side closer to the first fixed structure 30, so that the sound pickup inlet 6011 gradually approaches the sound pickup hole 301 of the first fixed structure 30. After the sealing bracket 60 and the first fixed structure 30 come into contact, the sealing bracket 60 can no longer move. At this time, the sound pickup inlet 6011 of the sealing bracket 60 covers the surface of the sound pickup hole 301, so that the sound pickup hole 301 and the sound pickup channel 601 are connected.

[0108] Figure 12 is a structural schematic diagram of the sealing bracket provided in an embodiment of this application from another perspective. Referring to Figure 12, in one embodiment, limiting walls 604 are respectively provided on both sides of the first guide surface 603, and the limiting walls 604 protrude from the first guide surface 603. After the positioning bracket 70 and the sealing bracket 60 are assembled, at least a portion of the first sub-part 71 of the positioning bracket 70 is located between the two limiting walls 604. During the process of the first sub-part 71 of the positioning bracket 70 being inserted into the gap between the sealing bracket 60 and the second fixing structure 40, the limiting walls 604 are located on both sides of the first sub-part 71 of the positioning bracket 70. The limiting walls 604 can restrict the first sub-part 71 of the positioning bracket 70 from moving to both sides, thereby adjusting the position of the first sub-part 71 and reducing the offset of the sealing bracket 60 as it approaches the first fixing structure 30. As a result, after the sealing bracket 60 and the first fixing structure 30 abut against each other, the sound pickup inlet 6011 can be connected with the sound pickup hole 301 of the first fixing structure 30.

[0109] Of course, for the same reason, in other embodiments, limiting walls can also be provided on both sides of the first sub-part 71, so that a part of the sealing bracket 60 is located between the two limiting walls, thereby playing a limiting role. This application will not go into detail here.

[0110] Figure 13 is a structural schematic diagram of the positioning bracket provided in an embodiment of this application from one perspective. As shown in Figure 13, in one embodiment, the first sub-part 71 has a second guide surface 712 on the side facing the sealing bracket 60, and the second guide surface 712 is inclined. The second guide surface 712 has a third end 7121 and a fourth end 7122 arranged along the second direction Z, wherein the third end 7121 is located on the side of the fourth end 7122 away from the microphone assembly 10, and the third end 7121 is located on the side of the fourth end 7122 closer to the first fixing structure 30. The third end 7121 is closer to the first fixing structure 30 than the fourth end 7122, or in other words, the distance from the third end 7121 to the first fixing structure 30 is less than the distance from the fourth end 7122 to the first fixing structure 30. With reference to the support base 50, the third end 7121 is away from the support base 50, and the fourth end 7122 is close to the support base 50. Furthermore, the orthographic projection of the third end 7121 onto the surface of the support 50 is located on the side of the orthographic projection of the fourth end 7122 onto the surface of the support 50 that is closer to the first fixing structure 30.

[0111] During the installation of the positioning bracket 70, the third end 7121 of the second guide surface 712 is first inserted into the gap between the sealing bracket 60 and the second fixed structure 40. Then, the second guide surface 712 pushes the sealing bracket 60 to gradually move towards the first fixed structure 30, thereby converting the linear movement of the sealing bracket 60 along the second direction Z into a horizontal movement of the sealing bracket 60 towards the first fixed structure 30. After the sealing bracket 60 and the first fixed structure 30 abut, the sealing bracket 60 can no longer move. At this time, the positioning bracket 70 is in place. As an example, the cross-sectional area of ​​the portion of the first sub-part 71 corresponding to the second guide surface 712 can gradually increase from the end closer to the support base 50 to the end farther away from the support base 50. In terms of shape, the above-mentioned portion of the first sub-part 71 can be wedge-shaped.

[0112] In one specific embodiment, the sealing bracket 60 has the aforementioned first guide surface 603, and the first sub-part 71 of the positioning bracket 70 has the aforementioned second guide surface 712. During the process of inserting the first sub-part 71 of the positioning bracket 70 into the gap between the sealing bracket 60 and the second fixing structure 40, the second guide surface 712 and the first guide surface 603 come into contact and slide relative to each other. During this process, the contact area between the second guide surface 712 and the first guide surface 603 gradually increases, thereby gradually increasing the force-bearing area of ​​the sealing bracket 60, and thus making the force on the sealing bracket 60 more stable.

[0113] Figure 14 is a structural schematic diagram of the positioning bracket provided in an embodiment of this application from another perspective. Referring to Figures 13 and 14 together, in one embodiment, the end of the first sub-part 71 near the support base 50 has two inclined side surfaces 713, which are located on opposite sides of the first sub-part 71 along the third direction Y. The third direction Y is perpendicular to the first direction Z and the second direction X. Along the direction near the support base 50, the distance between the two inclined side surfaces 713 in the third direction Y gradually decreases. Alternatively, it can be understood that along the direction near the support base 50, the width of the end of the first sub-part 71 along the third direction Y gradually decreases. During the installation of the positioning bracket 70, the first sub-part 71 is relatively easy to insert into the gap between the sealing bracket 60 and the second fixing structure 40. Then, the first sub-part 71 can slide into a preset position within the constraint of the limiting wall 604, thereby reducing the installation difficulty of the positioning bracket 70.

[0114] Referring also to Figures 13 and 14, in addition to the first sub-part 71, the positioning bracket 70 also includes a second sub-part 72. The second sub-part 72 is located on the side of the sealing bracket 60 opposite to the microphone assembly 10. The second sub-part 72 and the first sub-part 71 are connected and form a space to accommodate the sealing bracket 60. The second sub-part 72 can prevent the sealing bracket 60 from detaching from the first fixing structure 30 and the first sub-part 71 of the positioning bracket 70. Furthermore, during the installation of the positioning bracket 70, the second sub-part 72 can be compressed, causing the positioning bracket 70 to move towards the support base 50.

[0115] Of course, in some other embodiments, the positioning bracket 70 may also include only the first sub-part 71. The first sub-part 71 is located in the gap between the sealing bracket 60 and the second fixing structure 40, and the first sub-part 71 does not obstruct the side of the sealing bracket 60 away from the microphone assembly 10.

[0116] To improve the stability of the positioning bracket 70 and reduce the risk of the positioning bracket 70 detaching from the sealing bracket 60 and the second fixing structure 40, the positioning bracket 70 can be fixedly connected to one or more of the first fixing structure 30, the second fixing structure 40 and the sealing bracket 60. The connection methods include, but are not limited to, snap-fit ​​and adhesive.

[0117] As shown in Figure 14, in one embodiment, the peripheral surface of the second sub-part 72 of the positioning bracket 70 has a first receiving groove 714. The first receiving groove 714 contains a first adhesive, which bonds the second sub-part 72 of the positioning bracket 70 to the first fixing structure 30. The first receiving groove 714 increases the amount of first adhesive used, making the first adhesive thicker, thereby improving the bonding effect between the second sub-part 72 and the first fixing structure 30.

[0118] Referring again to Figure 14, the peripheral surface of the second sub-part 72 of the positioning bracket 70 also has a second receiving groove 715. The second receiving groove 715 contains a second adhesive, which bonds the second sub-part 72 of the positioning bracket 70 to the second fixing structure 40. The second receiving groove 715 has the same effect as the first receiving groove 714 described above, and will not be described again here.

[0119] In specific implementation, either the first receiving groove 714 or the second receiving groove 715 can be provided on the peripheral surface of the second sub-part 72, or the first receiving groove 714 and the second receiving groove 715 can be provided simultaneously.

[0120] In other embodiments, the second sub-part 72 of the positioning bracket 70 can also be glued to the sealing bracket 60. This restricts the movement of the positioning bracket 70 relative to the sealing bracket 60, making it difficult for the positioning bracket 70 to detach from between the sealing bracket 60 and the second fixing structure 40.

[0121] Figure 15 is a schematic diagram of the microphone assembly provided in an embodiment of this application. As shown in Figure 15, in one embodiment, the microphone assembly 10 includes a microphone device 11 and a first circuit board 12, which are electrically connected. Regarding the microphone device 11, this application does not limit the specific type of the microphone device 11. Optionally, the microphone device 11 can be a dynamic microphone, a condenser microphone, or a piezoelectric microphone. Of course, in addition to the types listed above, the microphone device 11 can also be other types, which are not listed here. Regarding the first circuit board 12, the first circuit board 12 can be a flexible circuit board or a printed circuit board. When arranging the first circuit board 12, the first circuit board 12 is located between the sealing bracket 60 and the support base 50.

[0122] Referring to Figure 15, the microphone assembly 10 may further include a first reinforcing plate 13, which is located on the side of the first circuit board 12 opposite to the microphone assembly 10. Optionally, the first reinforcing plate 13 may be glued, soldered, or connected to the first circuit board 12 by fasteners. The first reinforcing plate 13 has greater structural strength, which can reduce the risk of deformation of the first circuit board 12 and ensure a stable electrical connection between the first circuit board 12 and the microphone device 11. When the microphone assembly 10 is provided with a sound inlet 101, the sound inlet 101 penetrates through the first circuit board 12 and the first reinforcing plate 13.

[0123] To reduce dust ingress into the microphone device 11, as shown in FIG15, in one embodiment, a dustproof mesh 130 is provided on the surface of the microphone assembly 10, covering the sound inlet 101 of the microphone assembly 10. The dustproof mesh 130 can block dust and foreign objects, ensuring the normal operation of the microphone assembly 10. Furthermore, the dustproof mesh 130 has a mesh structure, allowing sound to pass through. In a specific embodiment, the dustproof mesh 130 is located on the side of the first reinforcing plate 13 facing away from the first circuit board 12, or in other words, the dustproof mesh 130 is located on the side of the first reinforcing plate 13 facing the sealing bracket.

[0124] The first circuit board 12 is part of the circuit board included in the microphone terminal device 01. In addition to the first circuit board 12, the microphone terminal device 01 may also include a second circuit board 80 and a third circuit board 90, which are shown in FIG. 15. As shown in FIG. 15, in one embodiment, the first circuit board 12 is bent relative to the second circuit board 80, and the third circuit board 90 is also bent relative to the second circuit board 80. From an overall perspective, the first circuit board 12 and the third circuit board 90 are stacked along the second direction Z, and the second circuit board 80 serves as a connection between the first circuit board 12 and the third circuit board 90, forming a spatial circuit board. Electronic devices can be mounted on the surfaces of both the first circuit board 12 and the third circuit board 90. When the space between the first fixing structure 30 and the second fixing structure 40 is relatively small, the aforementioned circuit board provides mounting space for the microphone device 11 and other electronic devices, thereby improving the utilization rate of the internal space of the microphone terminal device 01.

[0125] Specifically, when electronic devices are mounted on the third circuit board 90, the electronic devices can be located on the side of the third circuit board 90 facing away from the first circuit board 12. Furthermore, a second reinforcing plate 140 can be provided on the side of the third circuit board 90 facing the first circuit board 12. Optionally, the second reinforcing plate 140 can be glued, soldered, or connected to the third circuit board 90 via fasteners. The second reinforcing plate 140 has greater structural strength, which can reduce the risk of deformation of the third circuit board 90 and ensure a stable electrical connection between the third circuit board 90 and the electronic devices. This application does not impose specific limitations on the electronic devices mounted on the surface of the third circuit board 90; for example, the aforementioned electronic devices can be buttons or lights. Of course, the aforementioned electronic devices can also be other types, which are not listed here.

[0126] The first circuit board 12, the second circuit board 80, and the third circuit board 90 can be a single integrated structure, or the first circuit board 12 and the second circuit board 80 can be soldered together, and the second circuit board 80 and the third circuit board 90 can be soldered together. Additionally, the microphone terminal device 01 may also include a main circuit board 100, which is electrically connected to the aforementioned first circuit board 12, and the first circuit board 12 is bent relative to the main circuit board 100. The aforementioned main circuit board 100 and the first circuit board 12 can be a single integrated structure or soldered together. The main circuit board 100 can extend along the second direction Z in a direction away from the first circuit board; Figure 15 only shows a portion of the main circuit board 100.

[0127] Figure 16 is an exploded view of the microphone assembly and support provided in an embodiment of this application. As shown in Figure 16, in one embodiment, the microphone device 11 is located on the side of the first circuit board 12 facing the support 50. Optionally, the microphone device 11 can be bonded and fixed to the first circuit board 12. Furthermore, the support 50 has a groove 502 on the side facing the sealing bracket 60, in which the microphone device 11 is accommodated, and the first circuit board 12 covers the groove 502. The groove 502 provides a accommodating space for the microphone device 11, preventing it from being squeezed by the sealing bracket 60. The orthographic projection of the first reinforcing plate 13 onto the surface of the support 50 covers the groove 502, and the peripheral edge of the first reinforcing plate 13 can directly or indirectly support the surface area of ​​the support 50 where the groove 502 is not provided.

[0128] Referring to Figure 16, in one embodiment, the support base 50 has a plurality of first limiting protrusions 501 on one side with a groove 502, and these first limiting protrusions 501 are arranged at circumferential intervals. After the support base 50 and the microphone assembly 10 are assembled, the plurality of first limiting protrusions 501 surround the periphery of the first circuit board 12. Among the plurality of first limiting protrusions 501, at least one first limiting protrusion 501 has a second protrusion C2 on its surface facing the groove 502. The edge of the first circuit board 12 has a second recess D2 at a position corresponding to the second protrusion C2, and the first reinforcing plate 13 also has a second recess D2 at a position corresponding to the second protrusion C2. After the support base 50 and the microphone assembly 10 are assembled, the second protrusion C2 can be accommodated in the second recess D2, thereby reducing the relative movement between the microphone assembly 10 and the support base 50 and improving the installation accuracy of the microphone assembly 10.

[0129] In other embodiments, the second protrusion C2 may also be located at the edge of the first circuit board 12 and the edge of the first reinforcing plate 13. Correspondingly, the second recess D2 may also be located on the side surface of the first limiting boss 501 facing the groove 502. With the cooperation of the second protrusion C2 and the second recess D2, the microphone assembly 10 and the support 50 can also achieve the above-mentioned effects. Here, this application will not describe them in detail.

[0130] In one embodiment, the plurality of first limiting protrusions 501 are arranged at intervals along the circumference to form a first notch K1 and a second notch K2. The first notch K1 can connect the first circuit board 12 and the main circuit board 100, and the second notch K2 can connect the first circuit board 12 and the second circuit board 80.

[0131] To provide support for the support base 50, as shown in Figure 5, the microphone terminal device 01 further includes multiple support plates 150, which are arranged in a cylindrical shape and supported at the bottom of the support base 50. In practical applications, the internal space of the cylindrical structure can be used to accommodate batteries or other devices. When specifically arranging the support plates 150, the support plates 150 can be arc-shaped sheet structures.

[0132] Figure 17 is an exploded view of the support base and support plate provided in an embodiment of this application. As shown in Figure 17, in one embodiment, the sidewall of the support base 50 has a first wall surface 503, a second wall surface 504, and a connecting surface 505, with the connecting surface 505 located between the first wall surface 503 and the second wall surface 504. The orthographic projection of the second wall surface 504 along the second direction Z is located inside the orthographic projection of the first wall surface 503 along the second direction Z, and the second wall surface 504 is connected to the bottom wall of the support base 50. In effect, the first wall surface 503, the second wall surface 504, and the connecting surface 505 form a stepped structure. One end of each support plate 150 along the second direction Z is supported by the connecting surface 505, and the inner wall of the support plate 150 is bonded and fixed to the second wall surface 504 of the support base 50.

[0133] Please continue referring to Figure 17. The support base 50 has a slot B, and the aforementioned first wall surface 503, second wall surface 504, and connecting surface 505 are all disconnected at the slot B. The cylindrical structure formed by the aforementioned multiple support pieces 150 has a third notch K3 at one end near the support base 50. The third notch K3 avoids the slot B, thereby reducing the risk of interference between the buckle A of the sealing bracket 60 and the support piece 150 during the insertion of the buckle A into the slot B.

[0134] When forming the third notch K3, the third notch K3 can correspond one-to-one with the support piece 150. That is, the third notch K3 is located at the end of the corresponding support piece 150 near the support base 50. Alternatively, the third notch K3 can be formed by two adjacent support pieces 150. Each support piece 150 has a sub-notch located at the corner of the support piece 150, and the two sub-notches are joined together to form the third notch K3.

[0135] During the installation of the support piece 150, to ensure that the position of the third notch K3 corresponds to the position of the slot B, as shown in Figure 17, in one embodiment, the second wall surface 504 has a third protrusion C3, and the support piece 150 has a third recess D3. After the support base 50 and the support piece 150 are assembled, the third protrusion C3 can be accommodated in the third recess D3, thereby defining the relative position of the support piece 150 and the support base 50, so that the aforementioned third notch K3 can correspond to the slot B.

[0136] In other embodiments, the third protrusion C2 may also be located on the support piece 150, and correspondingly, the third recess D3 may also be located on the support seat 50. With the cooperation of the third protrusion C3 and the third recess D3, the support piece 150 and the support seat 50 can also achieve the aforementioned effects. This application will not provide further details here.

[0137] Figure 18 is a schematic diagram of the assembly of the microphone assembly, first circuit board, second circuit board, sealing bracket, and positioning bracket provided in an embodiment of this application. As shown in Figure 18, in one embodiment, with the sealing bracket 60 as a reference, the microphone assembly 10 is located at the bottom of the sealing bracket 60. The microphone device 11 is located on the side of the first circuit board 12 facing away from the sealing bracket 60. Optionally, the sealing bracket 60 may directly abut against the first circuit board 12 or indirectly abut against it. If the microphone assembly 10 also includes a first reinforcing plate 13, the first reinforcing plate 13 is located on the side of the first circuit board 12 facing the sealing bracket 60, and the sealing bracket 60 abuts against the first reinforcing plate 13. Optionally, the sealing bracket 60 may directly abut against the first reinforcing plate 13 or indirectly abut against it.

[0138] In addition to placing the microphone device 11 on the side of the first circuit board 12 away from the sealing bracket 60, in other embodiments, the microphone device 11 may also be placed on the side of the first circuit board 12 facing the sealing bracket 60, and the microphone device 11 is located within the sound pickup channel 601 of the sealing bracket 60. The microphone device 11 includes a protective shell and electronic components disposed within the protective shell. The protective shell has a sound inlet 101, which communicates with the sound pickup channel 601.

[0139] Referring to Figure 18, the second circuit board 80 is located between the first circuit board 12 and the third circuit board 90. The second circuit board 80 is located on the side of the sealing bracket 60, and the second circuit board 80 and the first sub-part 71 of the positioning bracket 70 are offset from each other on the periphery of the sealing bracket 60. In a specific embodiment, the sealing bracket 60 has a first guide surface 603, and the first guide surface 603 and the second circuit board 80 are offset from each other on the periphery of the sealing bracket 60, thereby causing the first sub-part 71 of the positioning bracket 70 and the second circuit board 80 to be offset from each other on the periphery of the sealing bracket 60. The third circuit board 90 is located on the side of the sealing bracket 60 opposite to the support base 50, and the third circuit board 90 is used for electrical connection with other electronic devices. The sealing bracket 60 serves to support the third circuit board 90 and the electronic devices.

[0140] Referring to Figure 18, in one embodiment, the sealing bracket 60 has a second limiting boss 605 on the side opposite to the support base 50. The second limiting boss 605 is arranged circumferentially to form a receiving space that can accommodate the third circuit board 90 and electronic devices disposed on the third circuit board 90. In addition, the second limiting boss 605 can form a fourth notch K4, which includes two sub-regions. One sub-region is used to connect the third circuit board 90 and the second circuit board 80; the other sub-region corresponds to the first guide surface 603 and is used to allow the first sub-part 71 of the positioning bracket 70 to slide along the first guide surface 603 into the gap between the sealing bracket 60 and the second fixing structure 40.

[0141] When specifically setting the second limiting protrusion 605, the number of second limiting protrusions 605 can be one or more. The shape of the second limiting protrusion 605 can be columnar or strip-shaped. Referring to Figures 16 and 18 together, in one embodiment, the surface of the second limiting protrusion 605 facing the third circuit board 90 has a fourth protrusion C4, and the edge of the third circuit board 90 and the edge of the second reinforcing plate 140 have fourth recesses D4 at corresponding positions. The fourth protrusion C4 can be accommodated in the fourth recess D4, thereby forming a limit between the third circuit board 90 and the sealing bracket 60, thereby improving the installation accuracy of the third circuit board 90.

[0142] In other embodiments, the fourth protrusion C4 may also be located at the edge of the third circuit board 90 and the edge of the second reinforcing plate 140. Correspondingly, the fourth recess D4 may also be located on the side surface of the second limiting protrusion 605 facing the third circuit board 90. With the cooperation of the fourth protrusion C4 and the fourth recess D4, the third circuit board 90 and the sealing bracket 60 can also achieve the above-mentioned effects. Here, this application will not provide a detailed description.

[0143] The aforementioned second limiting boss 605 can support the positioning bracket 70. The structure of the positioning bracket 70 is shown in Figure 13. The positioning bracket 70 includes a first sub-part 71 and a second sub-part 72. After the positioning bracket 70 is installed in place, the first sub-part 71 inserts into the gap between the sealing bracket 60 and the second fixing member 40, and the second sub-part 72 can press against the surface of the second limiting boss 605 of the sealing bracket 60. The second limiting boss 605 provides support at the bottom of the second sub-part 72 of the positioning bracket 70, preventing the second sub-part 72 of the positioning bracket 70 from pressing against electronic components mounted on the surface of the third circuit board 90. Optionally, to improve the connection between the sealing bracket 60 and the positioning bracket 70, the second limiting boss 605 and the second sub-part 72 can be bonded together with adhesive.

[0144] In some embodiments, the second sub-part 72 of the positioning bracket 70 has a cutout structure 721, which allows electronic devices disposed on the surface of the third circuit board 90 to be exposed through the cutout structure 721.

[0145] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application is also intended to include such modifications and variations.

Claims

1. A microphone terminal device, characterized in that, It includes a microphone assembly, a first fixing structure, a second fixing structure, a sealing bracket, and a positioning bracket; The first fixing structure and the second fixing structure are located on opposite sides of the microphone assembly along a first direction; the first fixing structure has a pickup hole, and the microphone assembly has a sound inlet hole; The sealing bracket is located between the first fixing structure and the second fixing structure, and the sealing bracket and the microphone assembly are arranged along a second direction; the second direction is perpendicular to the plane where the microphone assembly is located; the sealing bracket has a sound pickup channel, which connects the sound pickup hole and the sound inlet hole; the positioning bracket includes a first sub-part, which is located between the sealing bracket and the second fixing structure; the first sub-part is used to squeeze the sealing bracket so that the sealing bracket and the first fixing structure abut against each other.

2. The microphone terminal device as described in claim 1, characterized in that, The sealing bracket has a first guide surface on the side facing the first sub-part. The first guide surface has a first end and a second end arranged along the second direction. The first end is located on the side of the second end away from the microphone assembly, and the first end is closer to the first fixing structure than the second end.

3. The microphone terminal device as described in claim 2, characterized in that, Limiting walls are provided on both sides of the first guide surface, and at least a portion of the first sub-part is located between the two limiting walls.

4. The microphone terminal device according to any one of claims 1 to 3, characterized in that, The first sub-part has a second guide surface on the side facing the sealing bracket. The second guide surface has a third end and a fourth end arranged along the second direction. The third end is located on the side of the fourth end away from the microphone assembly, and the third end is closer to the first fixing structure than the fourth end.

5. The microphone terminal device according to any one of claims 1 to 4, characterized in that, The pickup channel has a pickup inlet, which faces the pickup hole of the first fixed structure; The sealing bracket includes a first flexible portion surrounding the periphery of the pickup inlet, and the first flexible portion abuts against the first fixing structure.

6. The microphone terminal device according to any one of claims 1 to 5, characterized in that, The pickup channel has a pickup outlet, which faces the sound inlet of the microphone assembly; The sealing bracket includes a second flexible portion surrounding the periphery of the pickup outlet, and the second flexible portion abuts against the microphone assembly.

7. The microphone terminal device as described in claim 5, characterized in that, A first sealant is provided between the first flexible part and the first fixed structure, and the first sealant surrounds the periphery of the pickup inlet.

8. The microphone terminal device as described in claim 6, characterized in that, A second sealant is provided between the second flexible part and the microphone assembly, and the second sealant surrounds the periphery of the pickup outlet.

9. The microphone terminal device according to any one of claims 1 to 4, characterized in that, The pickup channel has a pickup inlet, which faces the pickup hole of the first fixed structure; a first sealant is provided between the sealing bracket and the first fixed structure, and the first sealant surrounds the periphery of the pickup inlet; And / or, the pickup channel has a pickup outlet facing the sound inlet of the microphone assembly; a second sealant is provided between the sealing bracket and the microphone assembly, the second sealant surrounding the pickup outlet.

10. The microphone terminal device according to any one of claims 1 to 9, characterized in that, The microphone terminal device further includes a support base, which is supported on the bottom of the microphone assembly; One of the support base and the sealing bracket has a buckle, and the other has a slot, and the buckle and the slot are fastened together.

11. The microphone terminal device according to any one of claims 1 to 10, characterized in that, The positioning bracket and the sealing bracket are fixedly connected; and / or, the positioning bracket and the first fixing structure are fixedly connected; and / or, the positioning bracket and the second fixing structure are fixedly connected.

12. The microphone terminal device according to any one of claims 1 to 11, characterized in that, The positioning bracket further includes a second sub-part located on the side of the sealing bracket opposite to the microphone assembly, and the second sub-part is connected to the first sub-part.

13. The microphone terminal device as described in claim 12, characterized in that, The peripheral surface of the second sub-part has a first receiving groove, the first receiving groove contains a first adhesive, the first adhesive bonds the second sub-part and the first fixing structure; And / or, the peripheral surface of the second sub-part has a second receiving groove, the second receiving groove containing a second adhesive, the second adhesive bonding the second sub-part and the second fixing structure.

14. The microphone terminal device according to any one of claims 1 to 13, characterized in that, The microphone assembly includes a microphone device, a first circuit board, and a first reinforcing plate; The microphone device is electrically connected to the first circuit board, and the microphone device is located on the side of the first circuit board away from the sealing bracket; the first reinforcing plate is located on the side of the first circuit board facing the sealing bracket, and the first reinforcing plate abuts against the sealing bracket; The sound inlet hole penetrates through the first circuit board and the first reinforcing plate.

15. The microphone terminal device according to any one of claims 1 to 14, characterized in that, A dustproof mesh is provided between the microphone assembly and the sealing bracket, and the dustproof mesh covers the sound inlet.

16. The microphone terminal device according to any one of claims 1 to 15, characterized in that, The microphone assembly includes a microphone device and a first circuit board, and the microphone device and the first circuit board are electrically connected. The microphone terminal device further includes a second circuit board and a third circuit board; the second circuit board and the first circuit board are electrically connected, and the second circuit board is bent relative to the first circuit board; the second circuit board is located on the side of the sealing bracket, and the second circuit board and the first part of the positioning bracket are staggered on the periphery of the sealing bracket; The third circuit board is electrically connected to the second circuit board, and the third circuit board is bent relative to the second circuit board. The third circuit board is located on the side of the sealing bracket away from the first circuit board.

17. The microphone terminal device as claimed in claim 16, characterized in that, The first circuit board, the second circuit board, and the third circuit board are an integral structure.

18. The microphone terminal device according to any one of claims 1 to 17, characterized in that, A first opening is provided between the first fixing structure and the second fixing structure, and the first opening and the microphone assembly are arranged along the first direction; The first opening is used to allow the sealing bracket and the positioning bracket to move between the first fixing structure and the second fixing structure.

19. The microphone terminal device as claimed in claim 18, characterized in that, The surface of the second fixing structure has a guide groove that extends along the first direction; The sealing bracket has a first guide protrusion for sliding along the guide groove; and / or, the first sub-part has a second guide protrusion for sliding along the guide groove.

20. The microphone terminal device according to any one of claims 1 to 19, characterized in that, The microphone terminal device includes a cylindrical housing surrounding the microphone assembly, and the first fixing structure and the second fixing structure are different parts of the housing.

21. The microphone terminal device according to any one of claims 1 to 20, characterized in that, The microphone terminal device can be any one of a stylus, a voice recorder, a mobile phone, an earphone, a hearing aid, a microphone, a voice control device, or an in-vehicle voice interaction device.

22. An electronic device, characterized in that, The device includes an electronic device body and a microphone terminal device as described in any one of claims 1 to 21; the microphone terminal device includes a communication component, the communication component is connected to the microphone component, and the communication component is used to transmit electrical signals generated by the microphone component to the electronic device body.

Images