CN216490957U

CN216490957U - Triangular conference microphone with noise suppression function

Info

Publication number: CN216490957U
Application number: CN202220062898.5U
Authority: CN
Inventors: 陈广廷
Original assignee: Shenzhen Dynamic Fox Technology Co ltd
Current assignee: Shenzhen Dynamic Fox Technology Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-05-10
Anticipated expiration: 2032-01-11

Abstract

The utility model belongs to the technical field of conference microphones, in particular to a triangle conference microphone with noise suppression function, which comprises a shell, wherein a vibration collector is arranged at the bottom in the shell, a vibration diaphragm is attached to the top of the vibration collector, a baffle is fixedly arranged below the vibration diaphragm, a vibration sensor is fixedly arranged on the top surface of the baffle, the vibration sensor is attached to the vibration diaphragm, electric push rods are arranged at the left side and the right side above the vibration diaphragm, and a ring plate is fixed at the tail end of the electric push rod, the noise generated by the overhigh resonant frequency of the vibrating diaphragm can be relieved.

Description

Triangular conference microphone with noise suppression function

Technical Field

The utility model relates to a meeting microphone technical field specifically is a triangular meeting microphone with noise suppression.

Background

The conference microphone is a portable conference telephone product, and not only can carry out high-quality network telephone conference on the Internet through the interface of a computer; but also as a speaker and microphone hands-free telephony device for a wireless mobile telephone via an earphone interface.

The existing patent (publication number is CN214205792U) and a conference microphone with noise suppression and echo elimination functions, the speaking voice of the patent will be transmitted into the communicating pipe through the communicating pipe, and simultaneously transmitted into the cavity through the sound pick-up hole on the clapboard, the voice will be guided by the guide cylinder when passing through the sound pick-up hole, the sound will be prevented from diffusing to the periphery in the process of transmission, the echo caused by collision between the voice and the inner wall of the base is reduced, meanwhile, the first sound absorbing plate is fixed on the inner wall of the cavity, the sound colliding on the inner wall of the cavity can be absorbed, the production of the echo is effectively reduced, meanwhile, the spray generated by speaking of people will be absorbed by the water absorbing sponge, the damage caused by the spray dropping on the vibrating diaphragm is avoided, meanwhile, the spray is prevented from influencing the vibration sound of the vibrating diaphragm, thereby the noise suppression and the echo elimination functions can be realized, the definition of meeting microphone when using can be improved effectively, but the meeting in-process, because the people's sound is more and the source direction need not, make the vibrating diaphragm produce resonance and then produce the noise influence radio reception effect easily.

Therefore, a triangular conference microphone with noise suppression function is provided, which is beneficial to relieving the noise generated by the overhigh resonant frequency of the vibration diaphragm when the vibration frequency of the vibration diaphragm is overhigh to generate the noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a triangular conference microphone with noise suppression to the meeting in-process that proposes among the solution above-mentioned background art because the more and source direction of people's voice is unnecessary, makes the vibrating diaphragm produce resonance and then produces the problem of noise influence radio reception effect easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a triangular conference microphone with noise suppression, includes the casing, vibration collector is installed to the bottom in the casing, the laminating of vibration collector top has the vibrating diaphragm, vibrating diaphragm below fixed mounting has the baffle, baffle top surface fixed mounting has vibration sensor, and the vibrating diaphragm of vibration sensor laminating, electric putter is installed to the both sides about the vibrating diaphragm top, the electric putter end is fixed with the crown plate.

Preferably, the head is installed at the top of the shell, the filter screen is installed at the top of the head, the plate body is installed at the top of the shell, and the sound receiving holes are formed in the top surface of the plate body at equal intervals.

Preferably, the bottom of the sound receiving hole is communicated with a guide cylinder, and the guide cylinder is in a hollow waist receiving tubular shape.

Preferably, the bottom surface of the annular plate is in sliding fit with the vibrating diaphragm, and the signal output end of the vibrating sensor is connected with the signal input end of the electric push rod.

Preferably, the bottom end of the shell is fixedly provided with a supporting rod, and the bottom of the supporting rod is fixedly provided with a tripod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a triangular conference microphone with noise suppression, through electric putter, the setting of vibration sensor and crown plate, detect the vibration frequency of vibrating diaphragm through vibration sensor, when the vibration frequency of vibrating diaphragm obviously appears rising and the vibration frequency is unordered, start electric putter and drive the crown plate and remove and restrict its vibration range and frequency of reduction to vibrating diaphragm, be favorable to when the too high noise that produces of vibration frequency of vibrating diaphragm, can alleviate vibrating diaphragm resonant frequency and too high noise that produces.

Drawings

Fig. 1 is a schematic view of the whole structure of the triangular conference microphone with noise suppression of the present invention;

fig. 2 is a schematic view of the whole internal structure of the triangular conference microphone with noise suppression of the present invention;

fig. 3 is the structure diagram of the electric putter with the noise-suppressing triangle conference microphone of the present invention.

In the figure: 1. a tripod; 2. a support bar; 3. a housing; 4. a head portion; 5. vibrating the diaphragm; 6. a vibration sensor; 7. a partition plate; 8. a sound receiving hole; 9. filtering with a screen; 10. a plate body; 11. a guide cylinder; 12. an electric push rod; 13. vibrating the collector; 14. and (4) a ring plate.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a triangular conference microphone with noise suppression function comprises a shell 3, wherein a vibration collector 13 is installed at the bottom in the shell 3, a vibration diaphragm 5 is attached to the top of the vibration collector 13, vibration generated by sound is collected through vibration of the vibration diaphragm 5 by the vibration collector 13, a partition plate 7 is fixedly installed below the vibration diaphragm 5, a vibration sensor 6 is fixedly installed on the top surface of the partition plate 7, vibration of the vibration diaphragm 5 is detected through the vibration sensor 6, the vibration frequency of the vibration diaphragm is detected, the vibration sensor 6 is attached to the vibration diaphragm 5, electric push rods 12 are installed on the left side and the right side above the vibration diaphragm 5, and a ring plate 14 is fixed at the tail end of each electric push rod 12;

the vibration frequency of the vibrating diaphragm 5 is detected through the vibration sensor 6, when the vibration frequency of the vibrating diaphragm 5 obviously rises and the vibration frequency is disordered, the electric push rod 12 is started to drive the annular plate 14 to move so as to limit the vibrating diaphragm 5 and reduce the vibration range and frequency of the vibrating diaphragm 5, and when the vibration frequency of the vibrating diaphragm 5 is too high and noise is generated, the phenomenon that the resonance frequency of the vibrating diaphragm 5 is too high and noise is generated can be relieved.

The top of the shell 3 is provided with a head 4, the top of the head 4 is provided with a filter screen 9, the top of the inside of the shell 3 is provided with a plate body 10, and the top surface of the plate body 10 is provided with sound receiving holes 8 at equal intervals;

the filter 9 prevents foreign materials from entering the head 4 and passes the external sound through the sound receiving hole 8 of the plate body 10.

The bottom of the sound receiving hole 8 is communicated with a guide cylinder 11, and the guide cylinder 11 is hollow and has a waist receiving tubular shape;

the hollow waist-contracting tubular guide cylinder 11 is communicated with the bottom of the sound-absorbing hole 8, and the guide cylinder 11 plays a role in guiding and expanding the vibration of sound in air.

The bottom surface of the annular plate 14 is in sliding fit with the vibrating diaphragm 5, and the signal output end of the vibrating sensor 6 is connected with the signal input end of the electric push rod 12;

the vibration frequency of the vibrating diaphragm 5 is detected by the vibration sensor 6, the triggering condition for starting the electric push rod 12 is reached by the vibration frequency, and the electric push rod 12 is started when the vibration frequency reaches a threshold value.

The bottom end of the shell 3 is fixedly provided with a support rod 2, and the bottom of the support rod 2 is fixedly provided with a tripod 1;

the casing 3 is supported and fixed by the tripod 1 and the support rod 2.

The working principle is as follows: the filter screen 9 prevents outside debris to get into in the head 4, the sound receiving hole 8 through the plate body 10 passes outside sound, it is linked together to correspond the sound receiving hole 8 bottom through the tubulose guide cylinder 11 of cavity waist, play the effect of guide and expansion to the vibration of sound at the air through the guide cylinder 11, collect the vibration that accomplishes the sound production to the vibration of vibrating diaphragm 5 through vibration collector 13, detect vibrating diaphragm 5's vibration frequency through vibration sensor 6, when vibrating diaphragm 5's vibration frequency obviously appears rising and the vibration frequency is unordered, start electric putter 12 and drive the ring board 14 and remove and restrict its vibration scope and frequency of reduction to vibrating diaphragm 5, when vibrating diaphragm 5's vibration frequency is too high to produce the noise, can alleviate vibrating diaphragm 5 resonant frequency and too high and produce the noise.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a triangular conference microphone with noise suppression, includes casing (3), vibration collector (13) are installed to the bottom in casing (3), vibration collector (13) top laminating has vibration diaphragm (5), its characterized in that: vibrating diaphragm (5) below fixed mounting has baffle (7), baffle (7) top surface fixed mounting has vibration sensor (6), and vibration sensor (6) laminating vibrating diaphragm (5), electric putter (12) are installed to both sides about vibrating diaphragm (5) top, electric putter (12) end is fixed with crown plate (14).

2. The microphone for the triangular conference with noise suppression according to claim 1, wherein: head (4) are installed at casing (3) top, filter screen (9) are installed at head (4) top, plate body (10) are installed at the top in casing (3), acoustic hole (8) have been seted up to plate body (10) top surface equidistance.

3. The microphone for the triangular conference with noise suppression according to claim 2, wherein: the bottom of the sound receiving hole (8) is communicated with a guide cylinder (11), and the guide cylinder (11) is in a hollow waist receiving tubular shape.

4. The microphone for the triangular conference with noise suppression according to claim 1, wherein: the bottom surface of the ring plate (14) is in sliding fit with the vibrating diaphragm (5), and the signal output end of the vibrating sensor (6) is connected with the signal input end of the electric push rod (12).

5. The microphone for the triangular conference with noise suppression according to claim 1, wherein: the support rod (2) is fixedly mounted at the bottom end of the shell (3), and a tripod (1) is fixedly mounted at the bottom of the support rod (2).