CN210629789U

CN210629789U - Microphone noise reduction structure

Info

Publication number: CN210629789U
Application number: CN201922388462.6U
Authority: CN
Inventors: 卢陈生
Original assignee: Enping Oksn Electronics Co ltd
Current assignee: Enping Oksn Electronics Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-05-26
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a structure of making an uproar falls in microphone, including last sound insulation shell and support bracket, the inside of going up sound insulation shell is provided with the microphone, and the lower extreme of microphone is connected with and falls the device of making an uproar, the inside of falling the device of making an uproar is provided with the noise input hole, and the middle part below of falling the device of making an uproar is provided with the spacing groove, the lower extreme left and right sides of falling the device of making an uproar all is provided with the connecting piece, and the lower extreme of connecting piece is fixed with the support frame, the support bracket sets up in the middle part of support frame, and the lower extreme. This structure of making an uproar falls in microphone is provided with sound insulation shell to go up sound insulation shell and wrap up in the outside of microphone with the structure of enclosed, make the microphone just openly receive effective area for the sound wave, go up the noise that sound insulation shell can completely cut off large tracts of land like this, and the cover plate can make the protective effect of microphone better with the swing joint structure between the last sound insulation shell, also played dirt-proof effect.

Description

Microphone noise reduction structure

Technical Field

The utility model relates to a microphone falls the technical field of making an uproar, specifically is a microphone falls the structure of making an uproar.

Background

The microphone is a transducer for converting sound into electronic signals, and is provided with a plurality of types of moving coil type, capacitance type, electret type, silicon micro-microphone and the like, most of the microphones are electret condenser microphones, sound vibration of the microphone is transmitted to a diaphragm of the microphone to push a magnet inside the microphone to form variable current, the variable current is transmitted to a sound processing circuit behind for amplification processing, and in order to ensure that the sound effect converted by the microphone is more true, the microphone noise reduction is an urgent problem to be solved by all microphone manufacturers.

The microphone noise reduction structure has the advantages that the microphone sound receiving surface in the market is large, noise can penetrate into the microphone from all directions, and the good noise reduction effect is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of making an uproar falls in microphone to the microphone sound that proposes among the above-mentioned background art of solution receives the face great, leads to in the noise can follow the all-round microphone that penetrates, and is difficult to reach the problem of better noise reduction effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure of making an uproar falls in microphone, includes last sound insulation shell and support bracket, the inside of going up sound insulation shell is provided with the microphone, and the lower extreme of microphone is connected with and falls the device of making an uproar, the inside of falling the device of making an uproar is provided with the noise input hole, and the middle part below of falling the device of making an uproar is provided with the spacing groove, the lower extreme left and right sides of falling the device of making an uproar all is provided with the connecting piece, and the lower extreme of connecting piece is fixed with the support frame, the support bracket sets up in the middle part of support frame.

Preferably, go up the shell that gives sound insulation and include apron, bullet card and lower extreme shell, and the inboard of going up the shell that gives sound insulation is provided with the apron, the lower extreme of apron is connected with the bullet card, and the below of bullet card is provided with the lower extreme shell.

Preferably, the shape and structure of the cover plate are matched with those of the upper sound insulation shell, and the cover plate is movably connected with the upper sound insulation shell.

Preferably, the support column includes shaft coupling and axle sleeve, and the middle-end of support column is provided with the shaft coupling, the lower extreme of support column is connected with the axle sleeve.

Preferably, the support column forms rotating structure with the support column through the shaft coupling, and the support column forms rotating structure through between axle sleeve and the base.

Preferably, the noise input holes are arranged in four, and the noise input holes are symmetrical with each other about a vertical center line of the noise reduction device.

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

1. the microphone noise reduction structure is provided with the upper sound insulation shell, and the upper sound insulation shell is wrapped outside the microphone in a surrounding structure, so that the upper sound insulation shell can isolate large-area noise, and the movable connecting structure between the cover plate and the upper sound insulation shell can enable the microphone to have a better protection effect and also play a dustproof effect;

2. the supporting column can effectively support the novel microphone, meanwhile, the novel microphone can have a certain angle adjusting effect under the action of the coupler, and the microphone can achieve an omnibearing rotating effect by matching with the shaft sleeve, so that the novel microphone is more convenient to use;

3. noise input hole evenly distributed is in the outside of the device of making an uproar that falls, and it is more even when can make noise input hole receive noise sound wave like this, can improve the accuracy of the device of making an uproar analysis noise sound wave of falling like this to reach the effect of better filtration noise sound wave.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. an upper sound-insulating housing; 101. a cover plate; 102. snapping; 103. a lower end housing; 2. a microphone; 3. a noise reduction device; 4. a noise input aperture; 5. a limiting groove; 6. a connecting member; 7. a support frame; 8. a support bracket; 9. a support pillar; 901. a coupling; 902. a shaft sleeve; 10. a base.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a microphone noise reduction structure comprises an upper sound insulation shell 1, a cover plate 101, an elastic clamp 102, a lower end shell 103, a microphone 2, a noise reduction device 3, a noise input hole 4, a limiting groove 5, a connecting piece 6, a support frame 7, a support bracket 8, a support column 9, a coupler 901, a shaft sleeve 902 and a base 10, wherein the microphone 2 is arranged inside the upper sound insulation shell 1, the lower end of the microphone 2 is connected with the noise reduction device 3, the noise input hole 4 is arranged inside the noise reduction device 3, the limiting groove 5 is arranged below the middle of the noise reduction device 3, the connecting piece 6 is arranged on each of the left side and the right side of the lower end of the noise reduction device 3, the support frame 7 is fixed to the lower end of the connecting piece 6, the support bracket 8 is arranged in the middle of the support frame 7, the support bracket 8 is;

the upper sound insulation shell 1 comprises a cover plate 101, an elastic clamp 102 and a lower end shell 103, the cover plate 101 is arranged on the inner side of the upper sound insulation shell 1, the elastic clamp 102 is connected to the lower end of the cover plate 101, the lower end shell 103 is arranged below the elastic clamp 102, the shape structure of the cover plate 101 is matched with that of the upper sound insulation shell 1, the cover plate 101 is movably connected with the upper sound insulation shell 1, the microphone noise reduction structure is provided with the upper sound insulation shell 1, and the upper sound insulation shell 1 is wrapped outside the microphone 2 in a surrounding type structure, so that the upper sound insulation shell 1 can isolate large-area noise, and the movable connection structure between the cover plate 101 and the upper sound insulation shell 1 can enable the protection effect of the microphone 2 to be better and achieve a dustproof effect;

the supporting column 9 comprises a coupler 901 and a shaft sleeve 902, the coupler 901 is arranged at the middle end of the supporting column 9, the shaft sleeve 902 is connected to the lower end of the supporting column 9, the supporting column 9 and the supporting column 9 form a rotating structure through the coupler 901, the supporting column 9 and the base 10 form a rotating structure through the shaft sleeve 902, the supporting column 9 can effectively support the novel type, the novel type can have a certain angle adjusting effect under the action of the coupler 901, and the microphone can achieve an omnidirectional rotating effect by matching with the shaft sleeve 902, so that the novel type is more convenient to use;

noise input hole 4 is provided with four altogether, and is symmetrical about the vertical central line of making an uproar device 3 that falls between the noise input hole 4, and noise input hole 4 evenly distributed is in the outside of making an uproar device 3 that falls, and it is more even when can making noise input hole 4 receive the noise sound wave like this, can improve the accuracy of 3 analysis noise sound waves of making an uproar device that fall like this to reach the effect of better filtration noise sound wave.

The working principle is as follows: for the noise reduction structure of the microphone, firstly, the sound wave receiving surface of the microphone 2 on the microphone structure on the market is larger, which leads to the simultaneous transmission of the front sound wave and the sound wave transmitted from other directions into the microphone, and in order to avoid the above situation, the novel microphone is provided with the upper sound insulation shell 1 outside the microphone 2, the upper sound insulation shell 1 wraps the microphone 2 in a surrounding structure, only the front surface of the microphone 2 is the sound wave receiving effective area, thus the front transmitted sound wave can be kept to the maximum extent, the sound wave in each direction is transmitted into the noise input holes 4 under the action of the noise input holes 4, the time of transmitting the front voice to each noise input hole 4 is different according to the transmission characteristic of the sound wave, the time of transmitting the noise into the noise input holes 4 is basically the same, the noise reduction device 3 analyzes the sound wave signal transmitted into the noise input holes 4, and the same noise sound wave is deleted, and effective voice is reserved so as to achieve effective noise reduction effect, so that the noise of the microphone can be effectively reduced under the combined action of the upper sound insulation shell 1 and the noise reduction device 3, and the using process of the whole microphone noise reduction structure is completed.

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. A structure of making an uproar falls in microphone, includes last sound insulation shell (1) and support bracket (8), its characterized in that: go up the inside of sound insulation shell (1) and be provided with microphone (2), and the lower extreme of microphone (2) is connected with and falls device of making an uproar (3), the inside of falling device of making an uproar (3) is provided with noise input hole (4), and the middle part below of falling device of making an uproar (3) is provided with spacing groove (5), the lower extreme left and right sides of falling device of making an uproar (3) all is provided with connecting piece (6), and the lower extreme of connecting piece (6) is fixed with support frame (7), support bracket (8) set up in the middle part of support frame (7), and the lower extreme of support bracket (8) is connected with support column (9), the lower extreme of support column (9) is.

2. A microphone noise reduction structure according to claim 1, characterized in that: go up sound insulation shell (1) including apron (101), bullet card (102) and lower extreme shell (103), and the inboard of going up sound insulation shell (1) is provided with apron (101), the lower extreme of apron (101) is connected with bullet card (102), and the below of bullet card (102) is provided with lower extreme shell (103).

3. A microphone noise reduction structure according to claim 2, characterized in that: the shape structure of the cover plate (101) is matched with that of the upper sound insulation shell (1), and the cover plate (101) is movably connected with the upper sound insulation shell (1).

4. A microphone noise reduction structure according to claim 1, characterized in that: the support column (9) comprises a coupler (901) and a shaft sleeve (902), the coupler (901) is arranged at the middle end of the support column (9), and the shaft sleeve (902) is connected to the lower end of the support column (9).

5. A microphone noise reduction structure according to claim 4, characterized in that: the support column (9) and the support column (9) form a rotating structure through the coupler (901), and the support column (9) and the base (10) form a rotating structure through the shaft sleeve (902).

6. A microphone noise reduction structure according to claim 1, characterized in that: the noise input holes (4) are four in number, and the noise input holes (4) are symmetrical with each other about the vertical center line of the noise reduction device (3).