CN218336425U - Microphone and electronic equipment - Google Patents

Abstract

The utility model discloses a microphone and electronic equipment, this microphone include PCB board subassembly and casing, are equipped with first connection structure on the PCB board subassembly, are equipped with second connection structure on the casing, and second connection structure cooperates with first connection structure joint to fix the casing on the PCB board subassembly. According to the utility model discloses a microphone when assembling shell and PCB board subassembly, with shell lock dress on the installation position of PCB board subassembly to joint cooperation through first connection structure and second connection structure is fixed with being connected of casing and PCB board subassembly. The shell and the PCB assembly are simple in assembling process and high in connection strength through the mode that the first connecting structure and the second connecting structure are clamped and matched, and production efficiency and yield are improved.

Description

Microphone and electronic equipment

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a microphone and electronic equipment.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

A conventional MEMS (Micro-Electro-Mechanical System) microphone generally includes a housing and a PCB board assembly, where a mounting position of the housing is disposed on the PCB board assembly, and when the housing is assembled with the PCB board assembly, the housing is disposed on the mounting position of the PCB board assembly, and an open end of the housing abuts against the mounting position, and then the housing is fixed on the PCB board assembly by soldering.

However, the housing and the PCB assembly are connected and fixed by welding, which not only complicates the process, but also tends to reduce the yield due to poor welding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that how to solve the shell of MEMS microphone and PCB board subassembly equipment process complicacy and the yields is low at least. The purpose is realized by the following technical scheme:

a first aspect of the present invention provides a microphone, the microphone includes:

the PCB assembly is provided with a first connecting structure;

the casing, be equipped with second connection structure on the casing, second connection structure with first connection structure joint cooperation, in order will the casing is fixed on the PCB board subassembly.

According to the utility model discloses a microphone when assembling shell and PCB board subassembly, with shell lock dress on the installation position of PCB board subassembly to joint cooperation through first connection structure and second connection structure is fixed with being connected of casing and PCB board subassembly. The shell and the PCB assembly are simple in assembling process and high in connection strength through the mode that the first connecting structure and the second connecting structure are clamped and matched, and production efficiency and yield are improved.

In addition, according to the utility model discloses a microphone still can have following additional technical characterstic:

in some embodiments of the present invention, one of the first connecting structure and the second connecting structure is a pin, and the other of the first connecting structure and the second connecting structure is a jack, and the pin is inserted into and engaged with the jack.

In some embodiments of the present invention, the first connecting structure is a pin, and the second connecting structure is a socket.

In some embodiments of the present invention, the plug has an insertion end, the insertion end is an elastically deformable structure, and the insertion end is inserted and fixed to the insertion hole through elastic deformation.

The utility model discloses an in some embodiments, the end of pegging graft is equipped with the deformation gap, it is located to peg graft the end the body of the relative both sides in deformation gap can be close to each other or keep away from through elastic deformation to form but elastic deformation structure.

In some embodiments of the present invention, the plug is a cone structure, the small end of the cone structure is connected to the PCB board assembly, and the large end of the cone structure is the insertion end.

In some embodiments of the present invention, the number of the second connection structures is plural, all of the second connection structures are disposed along the circumferential interval of the housing, the number of the first connection structures is the same as the number of the second connection structures, and each of the second connection structures corresponds to one of the first connection structures.

In some embodiments of the present invention, the housing has a rectangular structure, the number of the second connecting structures is four, and four of the second connecting structures are correspondingly disposed at four corners of the rectangular structure respectively.

In some embodiments of the present invention, a groove is further disposed on the PCB assembly, the first connecting structure is disposed on an area outside the groove, and the open end of the housing abuts against the area outside the groove;

and/or the PCB assembly comprises a PCB, and the first connecting structure and the PCB are of an integrated structure.

A second aspect of the present invention provides an electronic device, the electronic device comprising a microphone as described above.

According to the utility model discloses an electronic equipment, wherein, when assembling the shell and the PCB board subassembly of microphone, with the shell lock dress on the installation position of PCB board subassembly to joint cooperation through first connection structure and second connection structure is fixed with being connected of casing and PCB board subassembly. The shell and the PCB assembly are simple in assembling process and high in connection strength through the mode that the first connecting structure and the second connecting structure are clamped and matched, and production efficiency and yield are improved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a schematic structural diagram of a microphone according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the microphone shown in fig. 1 in an exploded state;

fig. 3 is a schematic structural view of a PCB board assembly of the microphone shown in fig. 2;

FIG. 4 is a schematic diagram of the PCB board assembly shown in FIG. 3 in another perspective;

fig. 5 is an enlarged view of a portion a of the PCB board assembly shown in fig. 4.

The reference numbers are as follows:

100 is a microphone;

10 is a PCB assembly;

11 is a first connecting structure, 111 is a deformation gap, 112 is a splicing end, and 12 is an annular boss;

20 is a shell;

and 21, a second connecting structure.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "in 8230 \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 5, according to an embodiment of the present invention, a microphone 100 is provided, the microphone 100 includes a PCB board assembly 10 and a housing 20, a first connecting structure 11 is disposed on the PCB board assembly 10, a second connecting structure 21 is disposed on the housing 20, and the second connecting structure 21 is in snap fit with the first connecting structure 11 to fix the housing 20 on the PCB board assembly 10.

Specifically, when the housing and the PCB assembly 10 are assembled, the housing is fastened to the mounting position of the PCB assembly 10, and the housing 20 is fixed to the PCB assembly 10 by the snap-fit of the first connecting structure 11 and the second connecting structure 21. The casing 20 and the PCB board assembly 10 are simple in assembling process and high in connection strength through the first connecting structure 11 and the second connecting structure 21 in a clamping matching mode, and production efficiency and yield are improved.

It should be understood that, after the first connecting structure 11 and the second connecting structure 21 are in clamping fit, the housing 20 can be kept on the PCB assembly 10 to fix the PCB assembly 10 and the housing 20, and compared with the existing welding (soldering) fixing mode, the clamping fixing mode is utilized, so that solder paste scratching and reflow soldering processes are omitted, the processes are simplified, and meanwhile, the condition of poor welding caused by the conditions of insufficient welding and the like is avoided, and the yield is ensured.

It should be pointed out that PCB assembly 10 includes the PCB board and locates the electrical apparatus module that is used for carrying out relevant functions such as pickup on the PCB board, and this electrical apparatus module is fixed at the PCB board through the mode that bonds, installs in PCB assembly 10 installation fixed back when casing 20 (the utility model discloses a show in the description attached drawing that the casing is fixed on the PCB board), and electrical apparatus module is encapsulated in the space that casing 20 and PCB assembly 10 formed.

In addition, the casing 20 is further provided with a sound inlet hole, and sound can enter a space formed by the casing 20 and the PCB assembly 10 through the sound inlet hole so as to be picked up by the electrical module, thereby ensuring the collection of sound by the microphone 100.

The utility model discloses an in some embodiments, first connection structure 11 is first buckle, and second connection structure 21 is the second buckle, when casing 20 assembles with PCB board subassembly 10, supports casing 20 and leans on PCB board subassembly 10, again with first buckle and the cooperation of both joints of second buckle can.

Through setting first connection structure 11 and second connection structure 21 to first buckle and second buckle respectively to realize casing 20 and PCB board subassembly 10's be connected fixedly through the cooperation of first buckle with the second buckle, compare with prior art, the efficiency of production has obtained the improvement, and connect the fixed strength height, has effectively guaranteed the yields of product.

In some embodiments of the present invention, one of the first connecting structure 11 and the second connecting structure 21 is a plug, and the other of the first connecting structure 11 and the second connecting structure 21 is a jack, and the plug is inserted into and engaged with the jack. Specifically, when casing 20 assembles with PCB board subassembly 10, constantly be close to PCB board subassembly 10 with casing 20, along with casing 20 constantly is close to PCB board subassembly 10, the bolt inserts gradually in the jack, when casing 20 leaned on with PCB board subassembly 10, the position is received in the jack to the bolt to utilize the joint between bolt and the jack to realize casing 20 fixed mounting on PCB board subassembly 10.

Through setting first connection structure 11 and second connection structure 21 to bolt and jack respectively, further improved the convenience in casing 20 and the PCB board subassembly 10 assembling process for the efficiency of production has obtained further improvement, and in addition, the bolt is pegged graft with the jack and the intensity of the structural connection of joint between the two is high, can effectively guarantee the joint strength between casing 20 and the PCB board subassembly 10, prevent that the condition that casing 20 is not hard up or drops from taking place, make the yields of product obtain the assurance.

It should be noted that, when the plug pin is inserted into the jack, the outer peripheral surface of the plug pin abuts against the inner wall of the jack, and the friction between the outer peripheral surface of the plug pin and the inner wall of the jack is utilized to fix the jack and the plug pin.

In some examples of this embodiment, the first connection structure is a socket and the second connection structure is a pin. Specifically, when the PCB assembly 10 and the housing 20 are assembled, the open end of the housing 20 faces the PCB assembly 10, the plug pin on the housing 20 is gradually inserted into the jack on the PCB assembly 10 as the housing 20 is continuously close to the PCB assembly 10, and when the open end of the housing 20 abuts against the PCB assembly 10, the plug pin is inserted into the jack and the plug pin is clamped and fixed with the jack.

It should be noted that the latch is disposed on the housing 20, and may be integrated with the housing 20 or separated from the housing 20.

In some examples of this embodiment, as shown in fig. 2 to 5, the first connecting structure 11 is a pin, and the second connecting structure 21 is a socket. Specifically, when the PCB assembly 10 and the housing 20 are assembled, the open end of the housing 20 faces the PCB assembly 10, and as the housing 20 approaches the PCB assembly 10, the plug pins on the PCB assembly 10 are gradually inserted into the insertion holes on the housing 20, and when the open end of the housing 20 abuts against the PCB assembly 10, the plug pins are inserted into the insertion holes and are clamped and fixed to the insertion holes.

It should be noted that the bolt is disposed on the PCB assembly 10, and can be integrated with the PCB of the PCB assembly 10, and also can be a split structure with the PCB assembly 10. In the embodiment of the present invention, the bolt is integrated with the first connecting structure 11 of the bolt.

Further, as shown in fig. 2 to 5, the plug pin has a plug end 112, the plug end 112 is an elastically deformable structure, and the plug end 112 is fixed to the insertion hole by elastic deformation. Specifically, the radial dimension of the insertion end 112 is greater than the aperture of the insertion hole when the insertion end 112 is not elastically deformed, and in the process of inserting the insertion end 112 into the insertion hole, the insertion end 112 is elastically deformed by external force to reduce the radial dimension of the insertion end 112, so that the insertion end 112 can be inserted into the insertion hole, and the outer peripheral surface of the insertion end 112 is abutted against the inner wall of the insertion hole by the resilience of the insertion end 112, thereby fixing the housing 20 to the PCB plate assembly 10.

It should be understood that, by setting the insertion end 112 to be an elastically deformable structure and utilizing the elastically deformable capability of the insertion end 112, the insertion and fixation of the plug and the jack can be realized, the structure of the plug is simple, the assembly of the housing 20 and the PCB board assembly 10 is facilitated, and the production efficiency is improved.

It should be pointed out, in this uses neotype, can set up groove structure towards the drill way of bolt at the jack, and this groove structure's size is greater than the diameter of the grafting end 112 that does not take place elastic deformation, and grafting end 112 inserts the jack from groove structure in, along with inserting, groove structure orders about the bolt and radially takes place elastic deformation at it to make the radial dimension of bolt satisfy the insertion demand of jack.

Further, as shown in fig. 2 to 5, the insertion end 112 is provided with a deformation gap 111, and the bodies of the insertion end 112 located at two opposite sides of the deformation gap 111 can approach or separate from each other through elastic deformation to form an elastically deformable structure. Specifically, deformation gap 111 sets up on the terminal surface that plug end 112 faces casing 20, and deformation gap 111 follows plug end 112's radial setting, when casing 20 and PCB board subassembly 10 equipment, deformation gap 111 diminishes under the effect of external force, make plug end 112's radial dimension satisfy the demand of inserting in the jack, after plug end 112 inserts the jack inside, the resilience force of the body that plug end 112 is located deformation gap 111 both sides makes its respective outer peripheral face support respectively and leans on the jack inner wall, thereby realize casing 20 and PCB board subassembly 10 to be connected fixedly.

It should be understood that the deformation gap 111 is provided on the insertion end 112, which is simple in structure and easy to process, thereby effectively reducing the manufacturing cost.

It should be noted that, in other embodiments, the plug includes two opposite plug boards and a spring, the spring is disposed between the two plug boards and respectively abuts against the two plug boards, when the plug is inserted into the jack, the two plug boards are close to each other (the spring is elastically deformed at this time), and when the two plug boards are inserted into the jack, the resilience of the spring drives the two plug boards to abut against the side walls of the jack respectively, so as to fix the two plug boards.

Further, as shown in fig. 5, the plug is a cone-shaped structure, a small end of the cone-shaped structure is connected to the PCB board assembly 10, and a large end of the cone-shaped structure is the plug end 112. Specifically, its tip is connected with PCB board subassembly 10 for the bolt of taper structure, its main aspects are grafting end 112, and deformation gap 111 is seted up on the main aspects of taper structure, when casing 20 and PCB board subassembly 10 are fixed through bolt and jack complex mode, the main aspects inserts in the jack (deformation gap 111 takes place elastic deformation), peg graft the back that targets in place, the partial body protrusion of the main aspects of taper structure sets up the outside at the jack, utilize the taper structure can effectively prevent that casing 20 from droing, casing 20 and PCB board subassembly 10's fixed strength has further been improved.

Further, as shown in fig. 2 to 4, the number of the second connection structures 21 is plural, all the second connection structures 21 are arranged at intervals in the circumferential direction of the housing 20, the number of the first connection structures 11 is identical to the number of the second connection structures 21, and each of the second connection structures 21 corresponds to one of the first connection structures 11. By arranging the plurality of first connecting structures 11 and the second connecting structures 21 with the number consistent with that of the first connecting structures 11, fixing points of the shell 20 and the PCB board assembly 10 are increased, and fixing strength of the shell 20 and the PCB board assembly 10 is further improved.

Further, as shown in fig. 1 and fig. 2, the housing 20 has a rectangular structure, the number of the second connecting structures 21 is four, and four second connecting structures 21 are correspondingly disposed at four corners of the rectangular structure. Specifically, four second connecting structures 21 are provided and are respectively arranged at the corner positions of the housing 20 having a rectangular structure, and the fixing strength and stability of the housing 20 are further ensured by fixedly connecting the corners of the housing 20.

Further, as shown in fig. 2 and 3, a groove 12 is further formed on the PCB assembly 10, the first connecting structure 11 is disposed on an area outside the groove 12, and the open end of the housing 20 abuts against the area outside the groove 12. Specifically, the open end of casing 20 is equipped with flange structure, the jack is seted up on flange structure, recess 12 sets up on PCB board subassembly 10, PCB board subassembly 10 is located the regional looks butt of flange structure with casing 20 outside recess 12, and set up on PCB board subassembly 10 is located the regional outside recess 12 for first connection structure 11 of bolt, through setting up recess 12, can increase the space that forms between casing 20 and the PCB board subassembly 10, so that microphone 100's electrical apparatus module's installation.

The utility model also provides an electronic equipment, electronic equipment includes according to above microphone 100.

Specifically, as shown in fig. 1 to 5, when the housing of the microphone 100 and the PCB board assembly 10 are assembled, the housing is buckled on the mounting position of the PCB board assembly 10, and the housing 20 is fixed to the PCB board assembly 10 by the snap-fit of the first connecting structure 11 and the second connecting structure 21. Casing 20 and PCB board subassembly 10 are simple and joint strength is high through first connection structure 11 and the mode equipment process of the 21 joint cooperation of second connection structure, have improved the efficiency and the yields of production.

The utility model discloses in, above-mentioned electronic equipment specifically can be cell-phone or panel computer etc. and prior art can be referred to other structures of this electronic equipment, here the utility model discloses no longer describe repeatedly about other structures of electronic equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A microphone, comprising:

the PCB assembly is provided with a first connecting structure;

the shell is provided with a second connecting structure, and the second connecting structure is clamped and matched with the first connecting structure so as to fix the shell on the PCB assembly;

the PCB board assembly is further provided with a groove, the first connecting structure is arranged on the region outside the groove, and the opening end of the shell is abutted to the region outside the groove.

2. The microphone of claim 1, wherein one of the first and second connection structures is a pin and the other of the first and second connection structures is a socket, the pin mating with the socket.

3. The microphone of claim 2, wherein the first connecting structure is a pin and the second connecting structure is a socket.

4. The microphone of claim 3, wherein the plug has a plug end, the plug end is of an elastically deformable structure, and the plug end is fixed to the jack by elastic deformation.

5. The microphone of claim 4, wherein the plug end is provided with a deformation gap, and the bodies of the plug end located at two opposite sides of the deformation gap can approach or separate from each other through elastic deformation to form the elastically deformable structure.

6. The microphone of claim 4, wherein the pin is a cone-shaped structure, a small end of the cone-shaped structure is connected with the PCB board assembly, and a large end of the cone-shaped structure is the insertion end.

7. The microphone of claim 1, wherein the number of the second connection structures is plural, all the second connection structures are arranged at intervals along the circumferential direction of the housing, the number of the first connection structures is the same as the number of the second connection structures, and each of the second connection structures corresponds to one of the first connection structures.

8. The microphone of claim 7, wherein the housing has a rectangular structure, the number of the second connecting structures is four, and four of the second connecting structures are correspondingly disposed at four corners of the rectangular structure.

9. The microphone of claim 1, wherein the PCB board assembly includes a PCB board, and the first connecting structure is a unitary structure with the PCB board.

10. An electronic device, characterized in that the electronic device comprises a microphone according to any of claims 1-9.

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