CN216122799U

CN216122799U - Buffer pad of microphone assembly, microphone assembly and display device

Info

Publication number: CN216122799U
Application number: CN202122303306.2U
Authority: CN
Inventors: 谭景焕
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-22
Anticipated expiration: 2031-09-23

Abstract

The utility model belongs to the technical field of display, and particularly discloses a buffer pad of a microphone assembly, the microphone assembly and display equipment. Wherein, the blotter includes integrated into one piece's pad body and erection column, offer the storage tank that is used for holding MIC board on the pad body, the erection column includes web site portion and direction post portion, the first end of direction post portion and the first end coaxial coupling of web site portion, the external diameter of the second end of direction post portion reduces along the direction of keeping away from web site portion gradually, the second end of web site portion is connected with the tank bottom of storage tank is perpendicular, the biggest external diameter of direction post portion is greater than the external diameter of web site portion, the first end of web site portion is located the outside of storage tank. The microphone assembly comprises the cushion pad, and the display device comprises the microphone assembly. The cushion pad, the microphone assembly and the display device can improve the connection convenience of the MIC assembly and the mounting bracket, improve the dismounting efficiency and reduce the dismounting cost.

Description

Buffer pad of microphone assembly, microphone assembly and display device

Technical Field

The utility model relates to the technical field of display, in particular to a buffer pad of a microphone assembly, the microphone assembly and display equipment.

Background

A display device is a visualization device for displaying and playing images, characters, and videos, and is widely used in various fields such as life entertainment, education and teaching, advertising, and telecommunication.

For display devices such as a kiosk, a display panel, and the like applied to an interactive scene such as a video conference, a microphone for transmitting sound is generally configured. The prior art discloses an MIC assembly fixing structure, which comprises a microphone bracket, a silica gel pad, a silica gel ring and a PCB, wherein the silica gel ring is adhered to the PCB through a double-sided adhesive tape to sleeve a microphone device, the silica gel pad is adhered to the other side of the PCB through the double-sided adhesive tape, and the silica gel ring and the silica gel pad play a role in sealing and buffering at the same time; the assembled silica gel pad, the silica gel ring and the PCB are fixed on the microphone bracket through fastening screws, and then the microphone bracket is fixed on a frame or a back plate of the display equipment.

When the MIC component fixing structure provided by the prior art is assembled, a plurality of fastening screws need to penetrate through the silica gel pad and the PCB to install the MIC component on the microphone bracket, so that the assembling steps are more, and the assembling efficiency is low; meanwhile, in the assembling process, the problems that fastening screws fall off, are lost and the like easily exist, and the material cost is increased.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a cushion pad for a microphone assembly, so as to improve the convenience of assembling and disassembling an MIC assembly and a mounting bracket, and improve the assembling efficiency of the microphone assembly.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a blotter of microphone subassembly, the blotter includes integrated into one piece's pad body and erection column, set up the storage tank that is used for holding MIC board on the pad body, the erection column includes web site portion and guide post portion, guide post portion's first end with web site portion's first end coaxial coupling, the external diameter of guide post portion's second end is along keeping away from web site portion's direction reduces gradually, web site portion's second end with the tank bottom of storage tank is connected perpendicularly, and guide post portion's the biggest external diameter is greater than web site portion's external diameter, web site portion's first end is located the outside of storage tank.

The utility model has the beneficial effects that:

according to the cushion pad provided by the utility model, the guide column part and the connecting column part are arranged, so that in the assembling process of the microphone assembly, the mounting column can be inserted into the mounting hole on the mounting bracket, and the end surface of the guide column part abuts against the opening end surface of the mounting hole, the cushion pad is connected with the mounting bracket, namely the connection of the MIC assembly on the mounting bracket can be realized, the screw fastening is not needed, the assembling efficiency of the microphone assembly can be effectively improved, and the assembling cost is reduced.

A second object of the present invention is to provide a microphone assembly, so as to improve the assembly efficiency of the microphone assembly and reduce the assembly cost.

a microphone assembly comprising:

the MIC assembly comprises an MIC plate and the buffer cushion, the MIC plate is embedded in the accommodating groove, the mounting column penetrates through the MIC plate, and a microphone is arranged on one surface of the MIC plate, which is far away from the bottom of the accommodating groove;

the mounting bracket is provided with a through mounting hole, the connecting column part penetrates through the mounting hole, and the guide column part penetrates through the mounting hole and abuts against the opening end face of one end of the mounting hole.

The utility model has the beneficial effects that:

according to the microphone assembly provided by the utility model, by adopting the structural arrangement of the mounting bracket and the buffer pad, when the MIC assembly is mounted on the mounting bracket, the mounting column can be inserted into the mounting hole through the guiding action of the small end of the guide column part, and the guide column part completely passes through the mounting hole, so that two opening end surfaces of the mounting hole can be clamped between the MIC plate and the large end surface of the guide column part, the mounting of the MIC assembly on the mounting bracket is realized, screws are not required to be used for fastening, the assembling efficiency of the microphone assembly can be effectively improved, and the assembling cost is reduced.

The third purpose of the utility model is to provide a display device, which improves the disassembly and assembly efficiency of the display device and reduces the material cost.

the utility model provides a display device, includes frame and backshell, still includes as above microphone subassembly, the mounting groove has been seted up at the back of frame, the MIC subassembly stretches into the mounting groove, the mounting bracket part expose in the mounting groove and with the frame or the backshell can be dismantled and be connected.

The utility model has the beneficial effects that:

according to the display device provided by the utility model, the microphone assembly is adopted, so that the assembly efficiency of the display device can be improved, and the cost of the display device can be reduced.

Drawings

Fig. 1 is a schematic back structure diagram of a display device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

fig. 3 is a schematic diagram of a split structure of a microphone assembly provided by an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a microphone assembly at a mounting post provided by an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at J;

FIG. 6 is a cross-sectional view of a microphone assembly at a locating post in accordance with an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a microphone assembly and a camera module according to an embodiment of the present invention;

fig. 8 is a partial schematic view of a split structure of a display device according to an embodiment of the present invention.

The figures are labeled as follows:

10. a microphone assembly; 20. a display body; 201. a frame; 2011. mounting grooves; 2012. a sound pickup hole; 2013. a light-transmitting hole; 2014. positioning a groove; 202. a rear housing; 2021. installing a threaded hole; 30. a camera module;

1. an MIC component; 11. a cushion pad; 111. a pad body; 1111. a containing groove; 1112. a first sound hole; 1113. a first positioning hole; 112. mounting a column; 1121. a connection post portion; 1122. a guide post portion; 11221. a frustum portion; 11222. a cylindrical portion; 1123. an extension pillar portion; 12. an MIC plate; 121. perforating; 122. a second positioning hole; 13. a microphone; 14. a buffer block; 15. a connector;

2. mounting a bracket; 21. a first frame body; 211. installing a transverse plate; 2111. avoiding the groove; 212. mounting a folded plate; 213. a convex column part; 214. a positioning column; 2141. a position-limiting column part; 2142. a plug-in post section; 215. a first reinforcing rib; 2151. a limiting rib part; 216. mounting holes; 217. avoiding the mouth; 22. a second frame body; 221. installing a longitudinal plate; 222. a stud; 223. a second reinforcing rib; 224. a wiring hole; 225. a ear plate portion; 226. positioning the convex column; 227. a connecting through hole;

3. switching the circuit board; 4. an elastic pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the present embodiment provides a display device, which can be applied to various scenes requiring remote interactive communication, such as video conference, online interactive teaching, and the like. Specifically, the display device includes a display body 20, a camera module 30 and a microphone assembly 10, wherein the display body 20 is used for displaying images, characters, videos and the like; the camera module 30 is mounted at the top end of the display body 20 and used for shooting images and/or videos, and the microphone assembly 10 is arranged at the top end of the display body 20 and used for picking up sound; the microphone assembly 10 and the camera module 30 are both connected to the controller inside the display body 20, so that the information acquired by the camera module 30 and the microphone assembly 10 is transmitted to the controller.

The display body 20 includes a backlight module, a display screen, a frame 201, a rear case 202, and other structures, and the specific structure of the display body 20 may refer to the prior art, which is not the focus of the present invention and is not described herein again. The display body 20 is preferably, but not limited to, a liquid crystal display device. The camera module 30 and the microphone assembly 10 are both mounted on the frame 201 of the display body 20, and are specifically mounted on the upper frame 201.

It is to be understood that the descriptions of upper, lower, left, right, front, back (or rear), etc. in the present embodiment are defined with reference to the user's viewing angle when the display device is in the use state. That is, the front side is the side of the display device that faces the user when in use, and the back side is the side of the display device that faces away from the user when in use.

As shown in fig. 2-4, the microphone assembly 10 includes a MIC assembly 1 and a mounting bracket 2, the MIC assembly 1 includes a MIC board 12 and a microphone 13 disposed on a front surface of the MIC board 12, a cushion pad 11 covering the MIC board 12 is disposed on a back surface of the MIC board 12, and a cushion block 14 covering the microphone 13 is further disposed on the front surface of the MIC board 12. Wherein, blotter 11 is used for avoiding MIC board 12 direct and installing support 2 or show the frame 201 contact of body 20, avoid external shock transmission to MIC board 12 on, reduce the noise that transmits to MIC board 12 on, buffer block 14 is used for avoiding external shock to transmit to microphone 13 department through installing support 2, reduce the noise that transmits to microphone 13 department, from this blotter 11 and buffer block 14 cooperate jointly, realize the sealed to MIC subassembly 1, improve microphone 13's pickup effect. The MIC module 1 is detachably mounted on the mounting bracket 2, and the mounting bracket 2 is detachably connected to the display main body 20.

Buffer block 14 is preferably rectangular block structure, and its one end terminal surface and MIC board 12 butt have seted up the recess on the buffer block 14, and microphone 13 inlays and locates in the recess to make buffer block 14 wrap up microphone 13. The bumper 14 is preferably bonded to the MIC plate 12 to improve the efficiency of the assembly and disassembly.

The buffer pad 11 and the buffer block 14 are preferably made of a silica gel material, so that the buffer effect is good, and the sealing performance is strong. It is understood that the cushion pad 11 and the cushion block 14 may be made of other materials capable of cushioning and sealing, such as rubber material, foam, etc., without being limited to silicone material.

The microphone 13 is preferably a MEMS microphone, which is small and has good performance. The specific structure and connection relationship of the microphone 13 and the MIC board 12 can refer to the prior art, and the present invention is not described in detail.

As shown in fig. 3 to 5, the cushion pad 11 includes a pad body 111 and an installation post 112 that are integrally formed, the pad body 111 is provided with an accommodation groove 1111, the installation post 112 is vertically protruded from a bottom of the accommodation groove 1111, the installation post 112 includes a guide post portion 1122 and a connection post portion 1121, a first end of the guide post portion 1122 is coaxially connected to a first end of the connection post portion 1121, an outer diameter of a second end of the guide post portion 1122 gradually decreases along a direction away from the connection post portion 1121, a second end of the connection post portion 1121 is vertically connected to the bottom of the accommodation groove 1111, a maximum outer diameter of the guide post portion 1122 is larger than an outer diameter of the connection post portion 1121, and the first end of the connection post portion 1121 is located outside the accommodation groove 1111.

The MIC plate 12 is embedded in the containing groove 1111, a through hole 121 is formed in the MIC plate 12 at a position corresponding to the mounting post 112, and the mounting post 112 vertically penetrates through the MIC plate 12 through the through hole 121. The mounting bracket 2 is provided with a through mounting hole 216, the connection post portion 1121 is inserted into the mounting hole 216, and the guide post portion 1122 is inserted into the mounting hole 216 and abuts against an open end surface of one end of the mounting hole 216.

The above-mentioned mounting bracket 2 and the structure setting of cushion 11, make when installing MIC subassembly 1 on mounting bracket 2, can insert erection column 112 in mounting hole 216 through the guide effect of guide post portion 1122 tip, and make guide post portion 1122 pass through mounting hole 216 completely, thereby can make two opening terminal surfaces of mounting hole 216 press from both sides and establish between MIC board 12 and the main end terminal surface of guide post portion 1122, realize the installation of MIC subassembly 1 on mounting bracket 2, need not to adopt the screw again to fasten, can improve the packaging efficiency of microphone subassembly 10 effectively, and reduce assembly cost.

The MIC plate 12 is preferably bonded to the bottom of the recess 1111 to improve the overall stability of the MIC module 1. The MIC plate 12 is preferably an elongated structure, and the microphones 13 are spaced apart along the length of the MIC plate 12 to improve the sound pickup effect of the microphone assembly 10. The shape of the pad body 111 is adapted to the shape of the MIC plate 12 and is a strip-shaped structure. Sound holes are formed in the bottoms of the MIC plate 12 and the accommodating groove 1111 corresponding to each microphone 13, and the first sound hole 1112 in the cushion pad 11 is directly communicated with the second sound hole in the MIC plate 12, so that external sound wave vibration can be transmitted to the microphone 13 through the first sound hole 1112 and the second sound hole. The pickup principle of the microphone 13 is prior art and will not be described herein.

In the present embodiment, the cushion pad 11 includes only one mounting post 112 to simplify the processing of the cushion pad 11 and avoid the mounting post 112 from interfering with the microphone 13. The mounting post 112 is preferably provided at a middle portion of the pad body 111 in the length direction to improve mounting stability and force balance of the MIC module 1 on the mounting bracket 2. In other embodiments, the mounting posts 112 may also be spaced apart along the length of the pad body 111.

The guide post portion 1122 includes a cylindrical portion 11222 and a frustum portion 11221 coaxially disposed, the cylindrical portion 11222 is connected between the frustum portion 11221 and the connection post portion 1121, and an outer diameter of the cylindrical portion 11222 is equal to an outer diameter of a large end of the frustum portion 11221 and smaller than an outer diameter of the connection post portion 1121, so that the overall structural strength of the guide post portion 1122 and the abutment stability of the guide post portion 1122 on the opening end surface of the mounting hole 126 can be improved, and the guide post portion 1122 is prevented from coming out of the mounting hole 216 after the MIC module 1 is mounted on the mounting bracket 2. Preferably, the small end diameter of the frustum portion 11221 is equal to the outer diameter of the connection pillar portion 1121 to simplify the machining of the mounting pillar 112 and thus the cushion pad 11.

More preferably, the mounting post 112 further includes an extending post portion 1123, the extending post portion 1123 is connected to one end of the guiding post portion 1122 far from the connecting post portion 1121, and the outer diameter of the extending post portion 1123 is equal to the outer diameter of the small end of the frustum portion 11221, so that the mounting post 112 can be conveniently inserted into the mounting hole 216, the mounting efficiency can be improved, and meanwhile, the processing of the mounting post 112 can be facilitated. The extending post portion 1123 is preferably provided with a chamfer at the distal periphery thereof to facilitate insertion of the extending post portion 1123 into the mounting hole 216.

Preferably, the difference between the maximum outer diameter of guide post portion 1122 and the diameter of mounting hole 216 is 0.3mm to 0.8mm, so as to avoid the guide post portion 1122 from being caught in mounting hole 216 due to an excessively large maximum outer diameter of guide post portion 1122, and to avoid the guide post portion 1122 from being reliably abutted against the opening end surface of mounting hole 216 due to an excessively small difference therebetween after passing through mounting hole 216.

The mounting hole 216 preferably includes a cylindrical hole portion and a conical hole portion arranged in that order along its axial direction, the small end of the conical hole portion having the same bore diameter as the cylindrical hole portion and the large end of the conical hole portion facing the MIC plate 12. By providing the conical hole portion, the mounting post 112 can be guided by being inserted into the mounting hole 216, and the mounting convenience and smoothness can be improved.

As shown in fig. 3 and 6, further, in order to improve the mounting stability of the MIC module 1 on the mounting bracket 2, one of the MIC module 1 and the mounting bracket 2 is provided with positioning posts 214, and the other is provided with positioning holes, the positioning posts 214 are parallel to and spaced from the mounting posts 112, and the positioning posts 214 can be inserted into the positioning holes. The setting of reference column 214 can avoid MIC subassembly 1 to produce relative installing support 2 and deflect, guarantees MIC subassembly 1 mounted position's reliability and accuracy, also can provide the location for the installation of MIC subassembly 1 on installing support 2 better simultaneously, improves the installation effectiveness.

However, it is understood that in other embodiments, if the positioning post 214 is not provided, an anti-rotation structure may be provided on the mounting post 112 and the mounting hole 216 to prevent the mounting post 112 from rotating in the mounting hole 216, and the anti-rotation structure may be provided by referring to the prior art, which is not illustrated in this embodiment.

In this embodiment, the locating posts 214 are provided on the mounting bracket 2 and the locating holes are provided on the MIC module 1 to simplify the processing of the MIC module 1. In other embodiments, the locating posts 214 may be disposed on the MIC assembly 1 and the locating holes disposed on the mounting bracket 2.

In this embodiment, since there is one mounting post 112, there are preferably two locating holes spaced apart along the length of the MIC plate 12, two locating holes being located on opposite sides of the mounting post 112, and more preferably, two locating holes being located on opposite ends of the MIC assembly 1 along the length. In other embodiments, the MIC module 1 may have mounting posts 112 at one end and locating holes at the other end.

Locating holes preferably extend through the MIC plate 12 and the cushion pad 11 in the MIC assembly 1 in the thickness direction to avoid interference of the locating posts 214 with the MIC assembly 1. That is, the positioning holes include a first positioning hole 1113 provided in the cushion pad 11 and a second positioning hole 122 provided in the MIC board 12, and the first positioning hole 1113 and the second positioning hole 122 are coaxially communicated. Preferably, the diameter of the second positioning hole 122 is smaller than the diameter of the first positioning hole 1113, so as to avoid the situation that the positioning post 214 cannot be inserted into the second positioning hole 122 due to a machining error.

The positioning post 214 preferably includes a limiting post portion 2141 and a plug post portion 2142, one end of the limiting post portion 2141 is connected to the main structure of the mounting bracket 2, the other end of the limiting post portion 2141 is connected to the plug post portion 2142, an outer diameter of the limiting post portion 2141 is larger than a maximum outer diameter of the plug post portion 2142 and an aperture of the first positioning hole 1113, and the plug post portion 2142 can be inserted into the positioning hole. When the positioning post 214 is inserted into the positioning hole, the plug post portion 2142 is inserted into the positioning hole, and the end surface of the limiting post portion 2141 connected to the plug post portion 2142 abuts against the MIC board 12, so as to realize the plug positioning of the positioning post 214 in the positioning hole.

More preferably, the outer diameter of the plug post portion 2142 decreases along the direction away from the positioning post portion 2141, so as to improve the smoothness of the plug post portion 2142 inserted into the positioning hole.

As shown in fig. 3 and 4, the mounting bracket 2 includes a first frame body 21 and a second frame body 22 which are vertically connected, and an end of the first frame body 21 away from the second frame body 22 is provided with the above-mentioned mounting hole 216 and the positioning pillar 214. The MIC module 1 is attached to a side of the first frame 21 away from the second frame 22. This kind of setting is favorable to installing MIC subassembly 1 to the inside while of the frame 201 that shows body 20, makes things convenient for second support body 22 to be connected with frame 201.

The first frame body 21 comprises an installation transverse plate 211, the second end of the installation transverse plate 211 is connected with the second frame body 22, the first end of the installation transverse plate 211 is vertically connected with an installation folded plate 212, the installation folded plate 212 is just opposite to the MIC component 1, the installation hole 216 penetrates through the installation folded plate 212, the MIC component 1 is installed on one side, away from the installation transverse plate 211, of the installation folded plate 212, the guide column portion 1122 abuts against one side face, facing the installation transverse plate 211, of the installation folded plate 212, namely, one end opening end face of the installation hole 216 is formed in one side surface of the installation folded plate 212.

Further, the mounting flaps 212 are spaced opposite the MIC plates 12 to reduce the likelihood that vibrations on the mounting bracket 2 will be transmitted to the MIC plates 12. The mounting flap 212 is vertically protruded with a convex pillar 213 along a side far away from the mounting transverse plate 211, the mounting hole 216 penetrates through the convex pillar 213, and the MIC plate 12 is located on a side of the convex pillar 213 far away from the mounting transverse plate 211. That is, in the present embodiment, the boss 213 forms the other open end surface of the mounting hole 216. Further, the positioning posts 214 are vertically connected to the mounting flaps 212.

Because the mounting post 112 needs to penetrate through the mounting hole 216, the position edge of the mounting transverse plate 211 corresponding to the protruding column portion 213 is provided with an avoiding groove 2111, and the avoiding groove 2111 preferably penetrates through the two opposite ends of the mounting transverse plate 211, so as to simplify the processing. The avoidance groove 2111 can provide avoidance for the installation of the mounting post 112, preventing the mounting post 112 from interfering with the mounting cross plate 211. The relief groove 2111 is preferably, but not limited to, an arcuate slot.

Preferably, the boss 213 abuts against the MIC plate 12. The side of the bumper 14 remote from the MIC plate 12 preferably abuts the mounting flap 212, thereby clamping the bumper 14 between the MIC plate 12 and the mounting flap 212, further ensuring the mounting stability of the MIC assembly 1 on the mounting bracket 2.

As shown in fig. 3 and 7, in order to improve the sound pickup effect of the microphone assembly 10, preferably, two MIC assemblies 1 are arranged at intervals along the length direction of the MIC plate 12, so that the length size of a single MIC assembly 1 can be reduced while the number of microphones 13 is increased, and the processing and the assembly of the MIC assembly 1 are facilitated; simultaneously, the clearance that forms between two MIC subassemblies 1 can be used for installing camera module 30, improves display device's whole aesthetic property and camera module 30's installation convenience.

In this embodiment, preferably, the first frame bodies 21 and the MIC assemblies 1 are arranged in a one-to-one correspondence manner, one end of each first frame body 21, which is away from the MIC assembly 1, is connected to the second frame body 22, an installation space is formed between the two first frame bodies 21, and the camera modules 30 are installed at the installation space and connected to the two first frame bodies 21 respectively. Therefore, the bracket for installing the camera module 30 does not need to be additionally arranged, and the integral structure of the display equipment can be simplified.

Because camera module 30 and microphone subassembly 10 all are connected with the inside controller of display main part 20, for improving the communication connection convenience, still be connected with adapter circuit board 3 on installing support 2, adapter circuit board 3 is connected on second support body 22 and just to camera module 30 setting, and camera module 30 passes through flexible circuit board and is connected with adapter circuit board 3, and flexible circuit board is located the installation space.

MIC board 12 is connected with adapter circuit board 3 electricity, specifically, is provided with connector 15 on the MIC board 12, has seted up on the first support body 21 corresponding connector 15's position and has dodged mouth 217, has seted up on the second support body 22 and has walked line hole 224 just right with adapter circuit board 3, and the wire of connecting in connector 15 can be connected with adapter circuit board 3 through dodging mouth 217 and walking line hole 224. The wiring aperture 224 may be provided in only one, i.e. the wires of both MIC plates 12 pass through the wiring aperture 224, or the wiring aperture 224 may be provided in a single position for each MIC plate 12.

To facilitate the connection of the adapting circuit board 3, the second frame body 22 preferably includes a longitudinal mounting plate 221, and one end of the longitudinal mounting plate 221 is vertically connected to the second end of the transverse mounting plate 211. A plurality of studs 222 are vertically and convexly arranged on one surface of the vertical mounting plate 221, which is far away from the horizontal mounting plate 211, threaded holes are formed in the studs 222, the adapter circuit board 3 is supported on the end surface of the studs 222, and the adapter circuit board 3 is in threaded connection with the studs 222. This kind of setting has improved the installation convenience of switching circuit board 3, also can make switching circuit board 3 and installation vertical plate 221 interval set up simultaneously, is favorable to switching circuit board 3's heat dissipation.

Further, in order to ensure the overall structural strength of the mounting bracket 2, a first reinforcing rib 215 is convexly arranged on the mounting transverse plate 211, a plurality of first reinforcing ribs 215 are arranged at intervals along the length direction of the mounting bracket 2, and one end of each first reinforcing rib 215 is connected with the mounting folded plate 212. The vertical mounting plate 221 is provided with second reinforcing ribs 223 protruding upward, and the second reinforcing ribs 223 are arranged on the vertical mounting plate 221 in a criss-cross manner.

Further, the tail end of the first reinforcing rib 215 facing the adapting circuit board 3 protrudes out of the mounting transverse plate 211 to form a limiting rib portion 2151, and one side of the adapting circuit board 3 abuts against the limiting rib portion 2151, so that the mounting, positioning and limiting of the adapting circuit board 3 are realized.

As shown in fig. 2, 7 and 8, the mounting bracket 2 is mounted to the rear surface of the display main body 20, and the MIC assembly 1 protrudes into the bezel 201. Specifically, mounting groove 2011 has been seted up at the back of frame 201, and first support body 21 is perpendicular with the display surface that shows main part 20, and MIC subassembly 1 and camera module 30 all stretch into mounting groove 2011, and every microphone 13 is corresponded to the tank bottom of mounting groove 2011 has all link up and has seted up sound picking-up hole 2012, and light trap 2013 has been seted up to the camera that the tank bottom of mounting groove 2011 corresponds camera module 30.

In this embodiment, the second frame 22 is detachably coupled to the rear side of the display main body 20. Specifically, the second chassis 22 is coupled to the rear case 202 of the display main body 20 by screws. The second frame 22 has a connecting through hole 227, the rear shell 202 has a mounting threaded hole 2021, and the second frame 22 and the rear shell 202 are connected by a screw member passing through the connecting through hole 227 and the mounting threaded hole 2021. Preferably, at least two connection through holes 227 are provided at intervals along the length direction of the mounting bracket 2 to improve the connection stability and reliability of the mounting bracket 2 and the display main body 20.

Further, in order to better realize the installation and positioning of the mounting bracket 2 on the display main body 20, the mounting bracket 2 is convexly provided with a positioning convex column 226, the rear side of the frame 201 is provided with a positioning groove 2014, the positioning convex column 226 is inserted into the positioning groove 2014, and preferably, two ends of the positioning convex column 226 in the length direction of the mounting bracket 2 are respectively provided with one positioning convex column 226. In other embodiments, the positioning protrusion 226 may be disposed on the frame 201, and the positioning slot 2014 may be disposed on the mounting bracket 2.

Preferably, two ends of the mounting groove 2011 along the length direction are respectively provided with a positioning groove 2014, and the positioning convex columns 226 are arranged in one-to-one correspondence with the positioning grooves 2014. In order to facilitate the positioning of the protruding pillar 226, the second frame 22 has ear plates 225 extending along both sides of the length direction thereof, and the positioning protruding pillar 226 is protruded on the ear plates 225.

Preferably, an elastic pad 4 is connected to a side of the mounting bracket 2 facing the display main body 20, and the elastic pad 4 is interposed between the display main body 20 and the mounting bracket 2 when the mounting bracket 2 is mounted on the display main body 20. The elastic pad 4 can improve the installation tightness of the installation support 2 on the display main body 20, can avoid the hard collision between the installation support 2 and the display main body 20, and can prolong the service life of the display main body 20 and the installation support 2. The resilient pad 4 is preferably glued to the mounting bracket 2.

Other structures of the display device can refer to the prior art, which is not the focus of the present invention and will not be described herein. It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a blotter of microphone subassembly which characterized in that, the blotter includes integrated into one piece's pad body (111) and erection column (112), offer containing groove (1111) that is used for holding MIC board (12) on the pad body (111), erection column (112) are including connecting post portion (1121) and guide post portion (1122), the first end of guide post portion (1122) with the first end coaxial coupling of connecting post portion (1121), the external diameter of the second end of guide post portion (1122) reduces along the direction of keeping away from connecting post portion (1121) gradually, the second end of connecting post portion (1121) with the tank bottom perpendicular connection of containing groove (1111), the biggest external diameter of guide post portion (1122) is greater than the external diameter of connecting post portion (1121), the first end of connecting post portion (1121) is located the outside of containing groove (1111).

2. The cushion according to claim 1, wherein the guide pillar portion (1122) includes a cylindrical portion (11222) and a frustum portion (11221) connected in the axial direction, both ends of the cylindrical portion (11222) are connected to a large end of the frustum portion (11221) and a first end of the attachment pillar portion (1121), respectively, and an outer diameter of the cylindrical portion (11222) is equal to an outer diameter of the large end of the frustum portion (11221) and is larger than an outer diameter of the attachment pillar portion (1121).

3. A microphone assembly, comprising:

a MIC assembly (1) comprising a MIC plate (12) and a cushion as claimed in claim 1 or 2, the MIC plate (12) being embedded in the receiving tank (1111), the mounting posts (112) passing through the MIC plate (12), the MIC plate (12) being provided with a microphone (13) on a face thereof remote from the bottom of the receiving tank (1111);

and the mounting bracket (2) is provided with a through mounting hole (216), the connecting column part (1121) penetrates through the mounting hole (216), and the guide column part (1122) penetrates through the mounting hole (216) and abuts against the opening end face of one end of the mounting hole (216).

4. The microphone assembly of claim 3, wherein one of the MIC assembly (1) and the mounting bracket (2) is provided with locating posts (214) and the other is provided with locating holes, the locating posts (214) being parallel to and spaced from the mounting posts (112), the locating posts (214) being inserted into the locating holes.

5. The microphone assembly according to claim 4, wherein the mounting bracket (2) has the positioning post (214) thereon, the positioning post (214) includes a limiting post portion (2141) and a plug post portion (2142) connected along an axial direction, an outer diameter of the limiting post portion (2141) is larger than a maximum outer diameter of the plug post portion (2142), the plug post portion (2142) is inserted into the positioning hole, and an end surface of the limiting post portion (2141) connected to the plug post portion (2142) abuts against the MIC board (12).

6. The microphone assembly of claim 4, wherein the MIC assembly (1) is provided with the locating hole that passes through the MIC plate (12) and the slot bottom of the receiving slot (1111).

7. The microphone assembly of any one of claims 3 to 6, wherein the mounting bracket (2) comprises a mounting cross plate (211), a mounting flap (212) is vertically connected to a first end of the mounting cross plate (211), the mounting hole (216) extends through the mounting flap (212), the guide post portion (1122) abuts against one side of the mounting flap (212) facing the mounting cross plate (211), and the MIC plate (12) and the pad body (111) are disposed opposite to the other opposite side of the mounting flap (212).

8. The microphone assembly of claim 7, wherein a boss (213) is raised from a side of the mounting flap (212) facing away from the mounting cross plate (211), the mounting hole (216) extends through the boss (213), and the MIC plate (12) is located on a side of the boss (213) facing away from the mounting flap (212).

9. The MIC assembly of claim 7, wherein the MIC plate (12) is spaced apart from and opposite the mounting flap (212), the MIC assembly (1) further comprising a buffer (14), the buffer (14) being disposed in one-to-one correspondence with the microphones (13) and surrounding the microphones (13), one face of the buffer (14) abutting the MIC plate (12), the other opposite face of the buffer (14) abutting the mounting flap (212).

10. The microphone assembly as claimed in claim 7, wherein the mounting bracket (2) further comprises a mounting longitudinal plate (221), the second end of the mounting transverse plate (211) is vertically connected with one end of the mounting longitudinal plate (221), and the mounting longitudinal plate (221) is provided with a connecting through hole (227).

11. The microphone assembly of claim 10, wherein the MIC assemblies (1) are arranged in two spaced apart relation along the length of the MIC plate (12), the mounting cross plates (211) are arranged in one-to-one correspondence with the MIC assemblies (1), and a second end of each mounting cross plate (211) is connected to the mounting longitudinal plate (221).

12. The microphone assembly of claim 10, further comprising a patch circuit board (3), wherein the patch circuit board (3) is mounted on a side of the mounting longitudinal plate (221) facing away from the mounting transverse plate (211), and the MIC board (12) is communicatively connected to the patch circuit board (3).

13. The microphone assembly according to claim 10, wherein the side of the mounting longitudinal plate (221) facing the mounting transverse plate (211) is connected with an elastic pad (4).

14. A display device, comprising a frame (201) and a rear case (202), further comprising the microphone assembly as claimed in any one of claims 3-13, wherein a mounting groove (2011) is formed on a back surface of the frame (201), the MIC assembly (1) extends into the mounting groove (2011), and the mounting bracket (2) is partially exposed out of the mounting groove (2011) and detachably connected to the frame (201) or the rear case (202).