CN219287691U

CN219287691U - Multi-axis microphone with noise reduction structure

Info

Publication number: CN219287691U
Application number: CN202320177187.7U
Authority: CN
Inventors: 赵应国; 陈志炜
Original assignee: Foshan Nanhai Jiayu Electronic Co ltd
Current assignee: Foshan Nanhai Jiayu Electronic Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-30
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a multi-axis microphone with a noise reduction structure, which comprises a shell, positioning seats and a loudspeaker, wherein the shell comprises a circular base and a circular upper cover which is detachably arranged on the base, the base and the upper cover enclose a cavity with an installation space inside, the positioning seats are arranged at the lower wall position of the upper cover, the positioning seats are provided with at least three and are distributed at intervals along the central circumferential direction of the upper cover, the positioning seats are provided with through holes, the positioning seats are provided with microphones, the loudspeaker is arranged on the base, the upper cover downwards extends to form a baffle seat, and the baffle seat encloses a positioning cavity, and the loudspeaker is arranged in the positioning cavity. Firstly, a plurality of positioning seats are arranged on an upper cover and used for installing microphones, the plurality of microphones are arranged to collect multiple audios, noise reduction is achieved through a decoder, and meanwhile 360-degree audio collection can be achieved through circumferentially distributed microphones.

Description

Multi-axis microphone with noise reduction structure

Technical Field

The utility model relates to the field of microphones, in particular to a multi-axis microphone with a noise reduction structure.

Background

The existing desktop microphone generally adopts a universal joint structure to realize conference speaking, but with the development of video conferences, the universal joint microphone structure is arranged in a conference room to be matched with the environment, so that the uncoordinated situation is easy to occur, and the conference layout is more abrupt.

For example, in the prior art 201721498712.6, the structure of the universal joint is adopted to realize the use of the microphone, and the noise reduction and vibration reduction effects are realized through the noise reduction cotton.

Disclosure of Invention

The utility model mainly aims to provide a multi-axis microphone with a noise reduction structure, and aims to improve the structure of the existing desktop microphone, so that the appearance is attractive, the appearance can be suitable for the existing desktop conference, the sight is not blocked, and the noise reduction effect is good.

To achieve the above object, the present utility model provides a multi-axis microphone with a noise reduction structure, comprising:

the shell comprises a round base and a round upper cover which is detachably arranged on the base, and the base and the upper cover enclose a cavity with an installation space inside;

the positioning seats are arranged at the lower wall of the upper cover, at least three positioning seats are arranged and distributed at intervals along the central circumferential direction of the upper cover, the positioning seats are provided with through holes, and the positioning seats are provided with microphones;

the loudspeaker is arranged on the base, the upper cover downwards extends to form a baffle seat, the baffle seat encloses a positioning cavity, and the loudspeaker is arranged in the positioning cavity.

According to the technical scheme, the plurality of positioning seats are arranged on the upper cover and used for installing the microphones, the plurality of microphones are arranged, the collection of multiple audios can be realized, noise reduction is realized through the decoder, meanwhile, 360-degree audio collection can be realized through circumferentially distributed microphones, the situation that the structure of a universal joint needs to be changed in the existing design to realize audio collection is avoided, and the transmission of the audios can be better improved;

simultaneously with microphone direct mount upper cover, can effectively reduce the noise interference that base vibrations produced, simultaneously can keep apart the sound of loudspeaker through the setting of keeping off the seat, avoid influencing the pickup of microphone through vibrations in the casing, and be fixed in the base with loudspeaker also can play the effect of burden piece, reduce the vibrations of casing.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a second exploded view of the present utility model;

fig. 3 is a schematic perspective view of the present utility model.

In the figure, 1 is a shell, 11 is a base, 12 is an upper cover, 2 is a positioning seat, 21 is a microphone, 22 is a through hole, 3 is a loudspeaker, 31 is a baffle seat, 4 is a PCB, 5 is a hole site, and 6 is a gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, rear, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first" or "second" etc. in the embodiments of the present utility model, the description of "first" or "second" etc. is only for descriptive purposes, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 3, a multi-axis microphone with a noise reduction structure, comprising:

the shell 1, the shell 1 comprises a round base 11 and a round upper cover 12 which is detachably arranged on the base 11, and the base 11 and the upper cover 12 enclose a cavity with an installation space inside;

the positioning seats 2 are arranged at the lower wall position of the upper cover 12, the positioning seats 2 are provided with at least three positioning seats and are distributed at intervals along the central circumferential direction of the upper cover 12, the positioning seats 2 are provided with through holes 22, and the positioning seats 2 are provided with microphones 21;

the loudspeaker 3, loudspeaker 3 installs on base 11, upper cover 12 downwardly extending has keeps off seat 31, keep off seat 31 and enclose into the location chamber, loudspeaker 3 locates in the location chamber.

Firstly, a plurality of positioning seats 2 are arranged on an upper cover 12 and used for installing microphones 21, multiple audios can be collected through the arrangement of the microphones 21, noise reduction is realized through a decoder, meanwhile, 360-degree audio collection can be realized through circumferentially distributed microphones 21, the situation that the existing design needs to change the structure of a universal joint to realize audio collection is avoided, and the transmission of the audios can be better improved;

simultaneously with microphone 21 direct mount upper cover 12, can effectively reduce the noise interference that base 11 vibrations produced, simultaneously can keep apart loudspeaker 3's sound through setting up of fender seat 31, avoid influencing the pickup of microphone 21 through vibrations in the casing 1, and also can play the effect of burden pouring weight with loudspeaker 3 being fixed in base 11, reduce casing 1's vibrations.

In the embodiment of the present utility model, the microphone 21 is a moving coil microphone 21 and/or a condenser microphone 21, and different audio frequencies can be collected through different microphones 21, preferably combined with each other, but the electric wave processing coding of the decoder is more complex.

In the embodiment of the present utility model, four microphones 21 are provided.

In the embodiment of the present utility model, the base 11 is provided with a transversely arranged PCB 4, and the horn 3 is provided with two speakers and is respectively connected with the PCB 4.

In the embodiment of the present utility model, the microphone 21 is connected to the PCB 4 through a cable.

In the embodiment of the present utility model, the positioning seat 2 is a cavity with an opening at the lower end. When the microphone 21 is mounted on the positioning seat 2, the microphone 21 can be sealed and fixed by sealant, so that the microphone 21 is prevented from moving and the noise influence in the shell 1 is reduced.

In the embodiment of the present utility model, the upper cover 12 has a structure with a low middle and a high circumference, and the protruding portion of the upper cover 12 is provided with a plurality of hole sites 5 arranged at intervals, so that resonance can be reduced by arranging the hole sites 5, and the appearance can be more attractive.

In the embodiment of the utility model, the base 11 is provided with the adhered gasket 6, and the loudspeaker 3 is arranged on the gasket 6 to avoid resonance generated when the loudspeaker 3 directly contacts the tabletop.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A multi-axis microphone having a noise reduction structure, comprising:

2. The multi-axis microphone with noise reduction structure according to claim 1, wherein: the microphone is a moving coil microphone and/or a capacitive microphone.

3. The multi-axis microphone with noise reduction structure according to claim 1, wherein: the microphones are provided with four microphones.

4. The multi-axis microphone with noise reduction structure according to claim 1, wherein: the base is provided with a transversely arranged PCB, and the horn is provided with two loudspeakers which are respectively connected with the PCB.

5. The multi-axis microphone with noise reduction structure of claim 4, wherein: the microphone is connected with the PCB through a cable.

6. The multi-axis microphone with noise reduction structure according to claim 1, wherein: the positioning seat is a cavity with an opening at the lower end.

7. The multi-axis microphone with noise reduction structure according to claim 1, wherein: the upper cover is of a structure with a low middle and a high circumference, and a plurality of hole sites arranged at intervals are arranged at the protruding part of the upper cover.

8. The multi-axis microphone with noise reduction structure according to claim 1, wherein: the base is provided with a sticky gasket, and the loudspeaker is arranged on the gasket.