CN214315555U

CN214315555U - Microphone mounting structure and audio communication equipment

Info

Publication number: CN214315555U
Application number: CN202120357489.3U
Authority: CN
Inventors: 陈文明; 杜再翔; 万祥; 张世明
Original assignee: Shenzhen Emeet Technology Co ltd
Current assignee: Shenzhen Emeet Technology Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-09-28
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a microphone mounting structure and audio communication equipment, the microphone mounting structure comprises a mounting seat and a microphone main body, the mounting seat is formed with a mounting groove, and the edge of the mounting groove opening is formed with a damping cavity; the microphone main body is installed in the installation groove. The utility model discloses technical scheme's mounting structure of microphone can have better effect of moving away to avoid possible earthquakes, keeps good directive property pickup effect.

Description

Microphone mounting structure and audio communication equipment

Technical Field

The utility model relates to a microphone technical field, in particular to mounting structure and audio telephony of microphone.

Background

In recent years, with the deep development of internet technology, the demand for online conferences in work is increased sharply, and conference audio communication products are produced at the same time. The single microphone component used in the conference audio communication product is generally divided into a fully directional type and a single directional type, wherein the single directional type microphone can improve the signal-to-noise ratio, collect the voice in the designated direction, can play the roles of reducing the noise and improving the speech definition in the designated direction, and is an excellent selection component of the conference audio communication product.

However, in the existing technical solutions, a plurality of single directional microphones are usually installed in a product, and software debugging is performed to achieve the functions of the cardioid mode, the 8-type mode, the hypercardioid mode, and the like, and the conference audio communication product requires that it must have both sound reproduction performance and sound pickup performance, which means that sound pickup needs to be completed under the influence of sound reproduction, which often results in poor product directional performance, difficult software debugging, and the like.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a microphone mounting structure, which can effectively filter the microphone mounting structure of the playing sound and other mechanical vibration sound sources.

In order to achieve the above object, the utility model provides a mounting structure of microphone includes:

the mounting seat is provided with a mounting groove, and a damping cavity is formed at the edge of an opening of the mounting groove; and

the microphone main body is arranged in the mounting groove.

In an optional embodiment, the mounting seat includes a body and a fixing member, the body is formed with a clearance groove, the damping cavity is located at an opening edge of the clearance groove, the fixing member is formed with the mounting groove, and an outer peripheral edge of the fixing member is connected with the clearance groove through a connecting arm.

In an optional embodiment, the number of the shock absorption cavities is multiple, the shock absorption cavities are distributed at intervals along the periphery of the opening of the empty avoiding groove, and the connecting arms and the shock absorption cavities are arranged in a one-to-one correspondence manner.

In an optional embodiment, the fixing piece is in a cylindrical shape, the mounting groove is in a through hole shape with holes at two ends, and the mounting groove and the microphone main body are in interference fit.

In an alternative embodiment, the fixing member is formed with a stop ring at least one end in the axial direction of the mounting groove, and the end of the microphone main body abuts against an inner surface of the stop ring.

In an optional embodiment, the mounting structure of the microphone further includes a microphone wire, a through wire passing hole is formed in a wall of the clearance groove, one end of the microphone wire is connected to one end of the microphone main body, and the other end of the microphone wire passes through the wire passing hole and is exposed on the outer surface of the main body.

In an optional embodiment, a wiring groove is formed on a surface of the body, which faces away from the clearance groove, and the wiring groove is communicated with the wiring hole.

In an optional embodiment, the fixing member and the connecting arm are made of silica gel; and/or the presence of a gas in the gas,

the fixing piece, the connecting arm and the body are of an integrally formed structure.

In an optional embodiment, when the fixing member is made of silicone, the shore hardness of the fixing member is 30 to 60 degrees.

The utility model discloses still provide an audio telephony equipment, audio telephony equipment includes as above arbitrary the mounting structure of microphone.

The utility model discloses technical scheme's mounting structure of microphone includes mount pad and microphone monomer, the mount pad is formed with the mounting groove of installation microphone main part, and be formed with the damper at mounting groove open-ended edge, thereby make the mount pad at the in-process that receives the sound source of outside mechanical shock sound source or broadcast, the damper can eliminate the vibrations energy of mount pad, reduce the circumferential vibrations of the mounting groove of installation microphone main part greatly, thereby make the microphone main part can filter the sound source irrelevant with the sound source that picks up, obtain good pickup effect, keep its original directive property, also can reduce the degree of difficulty of follow-up software debugging.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of a microphone mounting structure according to the present invention;

fig. 2 is a schematic structural view of a mounting seat in the mounting structure of the microphone shown in fig. 1;

FIG. 3 is a rear view of the mount shown in FIG. 2;

FIG. 4 is a schematic view of the mounting base shown in FIG. 2 from another perspective;

FIG. 5 is a schematic view of the mounting base of FIG. 2 from a further perspective;

fig. 6 is a schematic structural view of the mounting base shown in fig. 2 from another perspective.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Microphone mounting structure	315	Wire through hole
10	Microphone main body	317	Wiring groove
				11	Sound hole	33	Fixing piece
30	Mounting seat	331	Mounting groove
				31	Body	333	Stop part
311	Keep away empty groove	35	Connecting arm
				313	Damping cavity	37	Wire clamping piece

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

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

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a mounting structure 100 of microphone.

Referring to fig. 1 and 2, in an embodiment of the present invention, the mounting structure 100 of the microphone includes a mounting base 30 and a microphone main body 10, the mounting base 30 is formed with a mounting groove 331, and an opening edge of the mounting groove 331 is formed with a damping cavity 313; the microphone main body 10 is mounted in the mounting groove 331.

In this embodiment, the microphone body 10 is an energy conversion device that converts a sound signal into an electrical signal, and the type of the energy conversion device is a single directional microphone 10, and the single directional microphone 10 can improve the signal-to-noise ratio, collect sounds in a specific direction, and improve the speech intelligibility in the specific direction. The mounting seat 30 is used for fixing the microphone main body 10, and is provided with a mounting groove 331, the mounting groove 331 matches with the shape of the microphone main body 10, for example, the microphone main body 10 is cylindrical, and the inner space of the mounting groove 331 is also cylindrical, so as to fix the microphone main body 10 better, of course, the shape of the microphone main body 10 can be set according to the type selection requirement, and the shape of the mounting groove 331 only needs to match with it. Since one end of the microphone main body 10 is formed with the sound hole 11 for picking up sound, the end of the microphone 10 formed with the sound hole 11 is located at the opening of the mounting groove 331 so as not to affect the sound pickup function of the microphone main body 10. Of course, in order to improve the sound pickup effect of the microphone main body 10, an opening may be formed on the wall of the mounting groove 331 corresponding to the other end of the microphone main body 10, so as to conveniently enable the microphone main body 10 to have an open front cavity and an open rear cavity, thereby providing a sound pickup function with good effect.

Here, since there is usually interference of other sound sources in the application scene of the mounting structure 100 of the microphone, it is necessary to design the microphone main body 10 to be shockproof, and the shock refers to energy transmitted to the microphone main body 10 through a solid medium, for example, energy transmitted through an applied product itself when a speaker sounds, or energy transmitted to the microphone main body 10 through a table and a product after a keyboard is knocked on a conference table, so that the wall of the mounting groove 331 is made of an elastic buffer material, for example, silica gel or rubber, thereby reducing energy of shock to some extent, preventing shock from being transmitted from the product to the microphone main body 10, and reducing interference to the microphone main body 10. Meanwhile, a damping cavity 313 is formed at the opening periphery of the mounting groove 331, the damping cavity 313 may be a closed cavity, and the inside is filled with air; or a groove body with one open end, extending along the axial direction of the mounting groove 331 and filled with air; of course, the damping chamber 313 may also be a through hole structure with both ends opened, and is not limited herein. The damping cavity 313 can directly avoid the solid medium transmission in most paths, block the transmission of vibration energy, and further reduce the interference to the microphone main body 10. The number of the shock absorbing chambers 313 may be one or more. And the shock-absorbing chamber 313 has an opening, the shape of the opening may be circular, rectangular, irregular, or the like.

The utility model discloses technical scheme's mounting structure 100 of microphone includes mount pad 30 and microphone 10 monomer, mount pad 30 is used for being connected with the product of using, and is formed with the mounting groove 331 of installation microphone main part 10, thereby fixes microphone main part 10 on the product, the cell wall of mounting groove 331 is elastic buffer material, thereby can form first order and move away to avoid possible earthquakes, in the process that mount pad 30 receives outside mechanical shock sound source or the sound source of broadcast, the characteristic of elastic buffer can subdue some vibrations and pass to microphone main part 10 from the product; meanwhile, a damping cavity 313 is formed at the edge of the opening of the mounting groove 331, and the air filled in the damping cavity 313 blocks the propagation of vibration energy in a solid medium, so that the vibration of the periphery of the mounting groove 331 for mounting the microphone main body 10 is greatly reduced, and therefore the microphone main body 10 can filter out a sound source irrelevant to the picked sound source, a good sound pickup effect is obtained, the original directivity characteristic of the microphone main body is maintained, and the difficulty of subsequent software debugging can be reduced.

In an alternative embodiment, the mounting seat 30 includes a body 31 and a fixing member 33, the body 31 is formed with a clearance slot 311, the shock absorbing cavity 313 is located at an opening edge of the clearance slot 311, the fixing member 33 is formed with the mounting slot 331, and an outer periphery of the fixing member 33 is connected with the clearance slot 311 through a connecting arm 35.

In the present embodiment, in order to obtain a better front cavity and rear cavity of the microphone main body 10, the mounting base 30 includes a body 31 and a fixing member 33, the body 31 is formed with a clearance groove 311, here, the clearance groove 311 has openings in two directions, and when the body 31 is placed horizontally, the clearance groove 311 has two openings facing upward and one side. The fixing member 33 is disposed in the clearance slot 311 and connected to the wall of the clearance slot 311 via the connecting arm 35, so that the periphery of the fixing member 33 forming the mounting slot 331 is connected to the body 31 only via the connecting arm 35, and other parts are in a spaced state, thereby further blocking the vibration on the product from being transmitted to the fixing member 33 via the solid medium, and further reducing the influence on the microphone main body 10. At this time, the opening of the mounting groove 331 is opened toward one side of the clearance groove 311, so that the microphone body 10 is easily mounted, and the sound pickup of the microphone body 10 is also facilitated.

Here, the mounting base 30 including the body 31, the fixing member 33 and the connecting arm 35 can achieve a three-level shock absorbing effect on the microphone main body 10, the first level is the fixing member 33, the fixing member 33 can be made of silicone, so as to form a mounting groove 331 with an elastic buffering function, and reduce vibration energy transmitted from a product to a certain extent; the second stage is a damping cavity 313, and the damping cavity 313 can block a path of vibration energy propagation by blocking a solid medium around the fixing member 33, so that the influence on the sound pickup of the microphone body 10 is further reduced; the third level is then the connecting arm 35, the connecting arm 35 here can be rectangular column or rectangular plate-like, the perisporium of mounting 33 is connected to one end, the other end is connected on the outer cavity wall of shock attenuation chamber 313, thereby also can increase the elasticity of this connecting arm 35, it becomes the impact of the little energy that corresponds with connecting arm 35 to strike big vibrations energy, tertiary shock-proof structure can filter the mechanical shock sound source that comes from the product and produce because of broadcast sound or external factor in the use to the at utmost, make directional type microphone main part 10 can keep original directive characteristic, provide good physical sound source basis for the human sound of subsequent software debugging processing.

In an optional embodiment, the connecting arm 35 is made of silica gel; and/or the presence of a gas in the gas,

the fixing member 33, the connecting arm 35 and the body 31 are integrally formed.

In this embodiment, also establish the material of linking arm 35 into silica gel to make the elasticity of linking arm 35 further improve, can further reduce the impact of a plurality of little energies through the elastic buffer capacity of linking arm 35 self, then further reduce the vibrations energy that transmits the cell wall of mounting groove 331, guarantee microphone main part 10's directive property pickup function. Of course, the connecting arm 35 may be made of rubber or other elastic material.

Of course, when mounting 33 and linking arm 35 are the silica gel material, can also establish the material of body 31 as silica gel, at this moment, can establish mounting 33, linking arm 35 and body 31 as integrated into one piece structure, on the one hand convenient processing avoids subsequent equipment, improves machining efficiency, and on the other hand also can strengthen the connection structure intensity between the three, improves the holistic structural strength of mount pad 30, prolongs the life of mount pad 30.

In an optional embodiment, when the fixing member 33 is made of silicon rubber, the shore hardness of the fixing member 33 is 30 to 60 degrees.

Here, in order to improve the shock absorbing effect, the fixing member 33 is made of silicon rubber, and certainly, in order to ensure the shock absorbing capability to the microphone main body 10, the hardness of the fixing member 33 should not be too high, and certainly, in order to provide the fixing effect to the microphone main body 10, the hardness of the fixing member 33 should not be too low, so the shore hardness of the fixing member 33 is set to be 30 to 60 degrees, for example, 30 degrees, 40 degrees, 50 degrees, and the like, and further, the shore hardness is 45 degrees, which is an optional one, and it is possible to have a good fixing and mounting effect while ensuring a good elastic buffering capability. Of course, when each component of the mounting seat 30 is made of a silicone material, the shore hardness range of the whole mounting seat 30 may also be 30 to 60 degrees.

Referring to fig. 2 and fig. 3, in an alternative embodiment, a plurality of damping cavities 313 are provided, the plurality of damping cavities 313 are distributed at intervals along the opening circumference of the empty avoiding groove 311, and the connecting arms 35 are arranged in one-to-one correspondence with the damping cavities 313.

In this embodiment, in order to further improve the shock attenuation effect, it has a plurality of to set up shock attenuation chamber 313, when keeping away empty slot 311 and having a side opening, a plurality of shock attenuation chambers 313 along the opening periphery interval distribution of keeping away empty slot 311, here, set up linking arm 35 and shock attenuation chamber 313 one-to-one and set up, thereby realize tertiary shock attenuation effect, and can make mounting groove 331 periphery because of the better even of the separation shock attenuation effect of shock attenuation chamber 313, guarantee the atress homogeneity of microphone main part 10, further improve the stability of microphone main part 10. Of course, the number of the connecting arms 35 may be different from the number of the damping cavities 313, so as to ensure stable connection of the fixing members 33. Here, in order to reduce the connection between the groove wall of the mounting groove 331 and the groove wall of the clearance groove 311 to the maximum extent and ensure the balance stability of the fixing member 33, two connecting arms 35 are provided, and the two connecting arms 35 are uniformly distributed on the circumferential surface of the fixing member 33 and provided with two damping cavities 313 corresponding to the connecting arms 35, thereby realizing the mounting base 30 with a simple structure and a good damping effect.

Referring to fig. 2 and fig. 3, in an alternative embodiment, the fixing member 33 is cylindrical, the mounting groove 331 is through hole with openings at two ends, and the mounting groove 331 and the microphone main body 10 are in interference fit.

In this embodiment, in order to make the microphone main body 10 have a good sound collecting function, the fixing member 33 is provided in a cylindrical shape, that is, has two openings, so that the mounting groove 331 is in a through hole shape, the axial direction of the fixing member 33 is open toward the side surface of the clearance groove 311, and the connecting arm 35 is connected to the peripheral side surface of the fixing member 33, so that the rear end of the microphone main body 10 and the clearance groove 311 are in a communicated state, thereby forming a large rear cavity space. In addition, in order to conveniently install the microphone main body 10, the installation groove 331 and the microphone main body 10 are in interference fit, the microphone main body 10 can be stably installed in the installation groove 331 through elastic deformation of the fixing piece 33, other installation functions are not needed, simplicity and rapidness are achieved, and installation stability can be achieved by wrapping the microphone main body 10 by the fixing piece 33.

In addition, the groove wall of the clearance groove 311 is set to be a smooth arc surface, so that the sound pickup effect can be improved.

Referring to fig. 2 again, in an alternative embodiment, a stop ring is formed at least one end of the fixing member 33 in the axial direction of the mounting groove 331, and the end of the microphone main body 10 abuts against the inner surface of the stop ring.

In this embodiment, in order to further improve the installation stability, the opposite ends of the fixing member 33 are both provided with a stop ring, the inner diameter of the stop ring is smaller than the inner diameter of the mounting groove 331, when the microphone main body 10 is installed in the mounting groove 331, the two ends of the microphone main body 10 respectively abut against the inner surfaces of the two stop rings, so that the stop ring realizes the limitation of the microphone main body 10, the falling-off phenomenon is effectively prevented, and the structural stability of the microphone main body 10 is ensured. Of course, in order to ensure effective sound pickup of the microphone body 10, the inner diameter of the stopper ring should be larger than the total area of the sound hole 11 of the microphone body 10, so that sound can enter from the sound hole 11, improving the sound pickup effect.

Referring to fig. 4 to 6, in an alternative embodiment, the mounting structure 100 of the microphone further includes a microphone wire (not shown), a through wire hole 315 is formed on a groove wall of the clearance groove 311, one end of the microphone wire is connected to one end of the microphone main body 10, and the other end of the microphone wire passes through the wire hole 315 and is exposed on the outer surface of the main body 31.

It can be understood that the microphone main body 10 needs to be connected to the control component through a microphone line, therefore, the mounting structure 100 of the microphone further includes a microphone line, in order to lead the microphone line out of the mounting seat 30, a through wire passing hole 315 is formed on a groove wall of the clearance groove 311, a size of the wire passing hole 315 is slightly larger than that of the microphone line, so as to facilitate the microphone line to pass through the wire passing hole 315 for routing, one end of the microphone line is connected to the rear end of the microphone main body 10, and the other end of the microphone line passes through the wire passing hole 315 and is exposed on the outer surface of the main body 31, which is a bottom surface. In order to facilitate the penetration of the microphone wire, the wire passing hole 315 is disposed below the rear end of the microphone main body 10, and certainly, because the end of the terminal of the microphone main body 10 is too large, in order to facilitate the wire passing hole 315 to penetrate through, the wire passing hole 315 can extend along the axis direction of the mounting groove 331 and extend to the front end of the body 31, so that the wire passing hole 315 has an opening on the side surface, the microphone wire can be clamped into the wire passing hole 315 through the opening on the side surface, and then moves to the rear end, thereby improving the wire passing efficiency.

Referring to fig. 6, in an alternative embodiment, a wiring groove 317 is formed on a surface of the body 31 away from the clearance groove 311, and the wiring groove 317 is communicated with the wire through hole.

In this embodiment, in order to ensure the installation order of the microphone lines, a wiring groove 317 is disposed on a surface of the body 31 away from the clearance groove 311, which is a lower surface, and the wiring groove 317 extends along the axial direction of the fixing member 33, and when the microphone lines pass through the wiring hole 315 to the bottom surface of the body 31, the microphone lines can be placed along the extending direction of the wiring groove 317, so that the microphone lines are orderly arranged. Of course, the size of the wiring groove 317 can be gradually reduced from the opening to the bottom of the groove, so that a flaring shape is formed, the microphone wire can be conveniently placed, the clamping and limiting effects on the microphone wire can be realized at the bottom of the wiring groove 317, and the dropping of the microphone wire can be prevented.

In addition, a coating layer can be wrapped on the periphery of the microphone wire so as to fill the gap of the wiring groove 317, and the coating layer can be made of ethylene-vinyl acetate (EVA) so as to realize sealed installation. Can also be provided with card line piece 37 at the one end tip that body 31 deviates from microphone main part 10 and is equipped with sound hole 11, this card line piece 37 is for locating the arch of trough 317 bottom edge, when the microphone line extends to the tip along trough 317, can realize fixedly on winding card line piece 37, effectively guarantees the walking line stability of microphone line. Here, the wire clamping member 37 may be provided with two pieces, so that the microphone wires are conveniently wound separately, and the stability of fixing is ensured.

The present invention also provides an audio communication device (not shown) including the mounting structure 100 of the microphone as described above. Since the audio communication device of the present embodiment includes the mounting structure 100 of the microphone of any one of the embodiments, the beneficial effects achieved by the embodiments are not described herein.

In this embodiment, the audio call device may be used in an online conference, and when the conference is a multi-person conference, the audio call device may include the mounting structure 100 of the plurality of microphones, so as to achieve a directional sound pickup effect in a specific direction and improve a speech clarity function in a specific direction.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A mounting structure of a microphone, characterized by comprising:

the microphone main body is arranged in the mounting groove.

2. The mounting structure of a microphone according to claim 1, wherein the mounting seat includes a body and a fixing member, the body is formed with a clearance groove, the damper cavity is located at an opening edge of the clearance groove, the fixing member is formed with the mounting groove, and an outer peripheral edge of the fixing member is connected to the clearance groove through a connecting arm.

3. The microphone mounting structure according to claim 2, wherein a plurality of the damper cavities are provided, the plurality of damper cavities are spaced apart along a periphery of the opening of the clearance groove, and the connecting arms are provided in one-to-one correspondence with the damper cavities.

4. The microphone mounting structure of claim 2, wherein the fixing member is cylindrical, the mounting groove is a through hole with openings at both ends, and the mounting groove is in interference fit with the microphone body.

5. The mounting structure for a microphone according to claim 4, wherein the fixing member is formed with a stopper ring at least one end in the axial direction of the mounting groove, and an end of the microphone main body abuts against an inner surface of the stopper ring.

6. The microphone mounting structure of claim 2, wherein the microphone mounting structure further comprises a microphone wire, a through hole is formed in a wall of the clearance groove, one end of the microphone wire is connected to one end of the microphone main body, and the other end of the microphone wire passes through the through hole and is exposed to the outer surface of the microphone main body.

7. The microphone mounting structure according to claim 6, wherein a wiring groove is formed on a surface of the body facing away from the clearance groove, the wiring groove communicating with the wiring hole.

8. The microphone mounting structure according to any one of claims 2 to 6, wherein the fixing member and the connecting arm are made of silicone; and/or the presence of a gas in the gas,

9. The mounting structure of claim 8, wherein when the fixing member is made of silicone, the shore hardness of the fixing member is 30-60 °.

10. An audio call apparatus characterized in that the audio call apparatus comprises a mounting structure of a microphone according to any one of claims 1 to 9.