CN218634197U

CN218634197U - Wireless microphone

Info

Publication number: CN218634197U
Application number: CN202222846904.9U
Authority: CN
Inventors: 朱其龙; 郭霞云; 刘玉诚; 张云峰; 高彬
Original assignee: Shenzhen Cannice Technology Co Ltd
Current assignee: Shenzhen Cannice Technology Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-14
Anticipated expiration: 2032-10-27

Abstract

The utility model belongs to the technical field of microphones and discloses a wireless microphone, which comprises an upper shell component, wherein a preset position of the upper shell component is provided with a sound inlet hole, and the upper shell component is provided with a cloth layer at least covering the sound inlet hole; wherein, at least one end of the sound inlet hole is provided with an acoustic mesh layer. The periphery of the upper shell assembly is coated with the cloth layer, the cloth layer can improve the airflow environment between the sound inlet hole and the outside, the cloth layer is a flat surface, so that the gas collision at the joint of the outside airflow and the sound inlet hole can be effectively reduced, the generation of noise is effectively reduced, meanwhile, the acoustic mesh cloth layer can improve the airflow environment in the sound inlet hole, the generation of vortex is avoided, the wind noise resistance effect is realized, and the tone quality is improved; meanwhile, the cloth layer plays a certain waterproof role.

Description

Wireless microphone

Technical Field

The utility model relates to a microphone technical field especially relates to a wireless microphone.

Background

The wireless microphone is fixed at the collar position, is usually used for recording user voice, and is widely used in scenes such as live broadcast, video recording and meetings. Based on the sensitivity of sound, the use scene is more complicated and is generally outdoor, so the wind noise resistance and waterproof performance requirements for the wireless microphone are higher than those of general electronic products.

In order to realize the waterproof function, the wireless microphone in the prior art adopts a form that a sound hole is matched with a waterproof membrane, and accumulated water is discharged through the vibration of air flow in the sound hole, so that the waterproof purpose is achieved; this has a disadvantage in that the sound hole needs to be opened in order to discharge water, which results in poor wind noise resistance of the sound hole and affects sound quality.

In view of this, it is necessary to improve the wireless microphone in the prior art to solve the technical problem of poor wind noise resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wireless microphone solves above technical problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a wireless microphone comprises an upper shell assembly, wherein a preset position of the upper shell assembly is provided with a sound inlet hole, and the upper shell assembly is provided with a cloth layer at least covering the sound inlet hole;

wherein, at least one end of the sound inlet hole is provided with an acoustic mesh layer.

Optionally, the upper shell assembly includes an upper shell body and an upper shell bracket detachably connected to the upper shell body;

the sound inlet hole is formed in a preset position of the upper shell body.

Optionally, a first groove surrounding the sound inlet hole is formed in the upper shell body, and a second groove is formed in the upper shell bracket corresponding to the first groove;

the first groove body is communicated with the second groove body to form a buffering channel communicated with the sound inlet hole.

Optionally, a foaming sponge body is arranged in the buffer passage, and one end face of the foaming sponge body is attached to the cloth layer.

Optionally, a mounting hole is formed in a preset position of the upper shell body;

and a mounting column is arranged on the upper shell bracket corresponding to the mounting hole, and the mounting column is inserted in the mounting hole.

Optionally, the cloth layer is matched with the upper shell support in shape, and the cloth layer is sleeved outside the upper shell support.

Optionally, a clamping position for fixing the fabric layer is arranged between the upper shell body and the upper shell support, and two end portions of the fabric layer are respectively clamped in the clamping position.

Optionally, the wireless microphone further includes a lower casing assembly disposed in cooperation with the upper casing assembly, and an installation cavity is formed between the upper casing assembly and the lower casing assembly;

the control panel and a second circuit board provided with a call MIC are arranged in the installation cavity; wherein the call MIC on the second circuit board is disposed right opposite to the sound inlet hole.

Optionally, a gap space is arranged between the second circuit board and the upper housing assembly, a sealing block is installed in the gap space, and a propagation channel communicated with the sound inlet hole is formed in the sealing block.

Optionally, the sealing block is in interference fit with the second circuit board and the upper housing assembly.

Compared with the prior art, the utility model discloses following beneficial effect has: the periphery of the upper shell assembly is coated with the cloth layer, the cloth layer can improve the airflow environment between the sound inlet hole and the outside, the cloth layer is a flat surface, so that the gas collision at the joint of the outside airflow and the sound inlet hole can be effectively reduced, the generation of noise is effectively reduced, meanwhile, the acoustic mesh cloth layer can improve the airflow environment in the sound inlet hole, the generation of vortex is avoided, the wind noise resistance effect is realized, and the tone quality is improved; meanwhile, the cloth layer plays a certain waterproof role.

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 drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

FIG. 1 is a schematic side view of the wireless microphone;

FIG. 2 is a schematic cross-sectional view of the wireless microphone;

FIG. 3 is a schematic diagram of a partial enlarged structure at A in FIG. 2 of the wireless microphone;

fig. 4 is a schematic exploded view of the wireless microphone.

Illustration of the drawings: the acoustic microphone comprises an upper shell assembly 1, a sound inlet hole 2, a cloth layer 3, an acoustic mesh layer 4, an upper shell body 5, an upper shell support 6, a buffer channel 7, a foaming sponge body 8, a mounting hole 9, a mounting column 10, a clamping position 11, a lower shell assembly 12, a mounting cavity 13, a call MIC15, a second circuit board 14, a sealing block 16, a propagation channel 17 and a control board 18.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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 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. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

With reference to fig. 1 to 4, an embodiment of the present invention provides a wireless microphone, including an upper casing assembly 1, a sound inlet hole 2 is formed at a predetermined position of the upper casing assembly 1, and the upper casing assembly 1 is provided with a cloth layer 3 at least covering the sound inlet hole 2; the sound inlet hole 2 can ensure that external sound enters the earphone;

wherein, at least one end of the sound inlet hole 2 is provided with an acoustic mesh layer 4. An acoustic mesh layer 4 is arranged at one end or two ends of the sound inlet hole 2, and the acoustic mesh layer 4 is provided with small holes, so that water stain permeation is prevented while sound transmission is ensured;

it should be noted that the cloth layer 3 has a fine hole structure, for example, splashed water stain cannot directly enter the sound inlet hole 2, and can play a role in waterproofing to a certain extent;

the utility model discloses a theory of operation does: the periphery of the upper shell component 1 is coated with the cloth layer 3, the cloth layer 3 can improve the airflow environment between the sound inlet hole 2 and the outside, the cloth layer 3 is a flat surface, so that the gas collision at the joint of the outside airflow and the sound inlet hole 2 can be effectively reduced, the noise can be effectively reduced, meanwhile, the acoustic mesh layer 4 can improve the airflow environment in the sound inlet hole 2, the generation of vortex is avoided, the wind noise resistance effect is realized, and the tone quality is improved; meanwhile, the cloth layer 3 plays a certain waterproof role.

In the present embodiment, the upper case assembly 1 includes an upper case body 5, and an upper case bracket 6 detachably attached to the upper case body 5; wherein, the sound inlet hole 2 is arranged at a preset position of the upper shell body 5. Compare in traditional shell structure, the epitheca subassembly 1 in this scheme additionally adds detachable epitheca support 6, and epitheca support 6 is so that installation bed of cloth 3 can seem distinct structure level simultaneously, improves pleasing to the eye.

Further, a first groove body surrounding the sound inlet hole 2 is formed on the upper shell body 5, and a second groove body is formed on the upper shell bracket 6 corresponding to the first groove body;

the first groove body is communicated with the second groove body to form a buffer passage 7 communicated with the sound inlet hole 2.

As shown in fig. 2 and 3, the cross-sectional area of the buffering channel 7 is much larger than that of the sound inlet hole 2, and is usually several times that of the sound inlet hole 2, and the buffering channel 7 can be used for containing water stains and playing a role of water proofing.

As a preferable scheme of this embodiment, a foaming sponge 8 is disposed in the buffer passage 7, and one end surface of the foaming sponge 8 is disposed to be attached to the cloth layer 3.

Wherein the foaming sponge body 8 is a high-density foaming sponge body 8; the foaming cavernous body 8 can play the effect of noise attenuation after being extruded, and is favorable to preventing the water stain entering into sound inlet hole 2, but does not influence the propagation of normal sound hardly, the anti-wind noise ability of promotion earphone that can be better.

In this embodiment, a mounting hole 9 is formed at a predetermined position of the upper housing body 5;

the upper shell support 6 is provided with a mounting column 10 corresponding to the mounting hole 9, and the mounting column 10 is inserted into the mounting hole 9, so that the upper shell support 6 is clamped and connected to the upper shell body 5; the mounting column 10 plays a role in positioning, and meanwhile, the upper shell support 6 is detachably connected with the upper shell body 5, so that the mounting process of the upper shell support 6 is simplified.

In this embodiment, the shape of the cloth layer 3 matches that of the upper shell support 6, and the cloth layer 3 is sleeved outside the upper shell support 6.

A clamping position 11 for fixing the cloth layer 3 is arranged between the upper shell body 5 and the upper shell bracket 6, and two end parts of the cloth layer 3 are respectively clamped in the clamping position 11.

Referring to fig. 3, the fabric layer 3 is attached to the outer surface of the upper shell bracket 6, and the outer edge of the fabric layer 3 is partially clamped in the clamping position 11 between the upper shell body 5 and the upper shell bracket 6; the specific installation steps can be that the cloth layer 3 is firstly bonded on the upper shell support 6, and then the upper shell support 6 with the cloth layer 3 is installed on the upper shell body 5.

In this embodiment, the wireless microphone further includes a lower housing component 12 disposed in cooperation with the upper housing component 1, and a mounting cavity 13 is formed between the upper housing component 1 and the lower housing component 12;

a control board 18 and a second circuit board 14 provided with a call MIC15 are arranged in the mounting cavity 13; wherein the call MIC15 on the second circuit board 14 is being set up against the sound inlet hole 2.

The call MIC15 is fixed on the second circuit board 14, and the second circuit board 14 is electrically connected with the control board 18 through a circuit; the second circuit board 14 is fixed in the mounting cavity 13 by hot melting, and the second circuit board 14 is provided with a through hole. When the bottom-in microphone is adopted, the second circuit board 14 needs to be provided with a through hole to transmit sound to the bottom of the microphone; when the top-entry microphone is used, the call MIC15 is mounted on the other side of the second circuit board 14, and a separate on-board through hole is not required.

Further, a gap space is provided between the second circuit board 14 and the upper case assembly 1, a sealing block 16 is installed in the gap space, and a propagation channel 17 communicated with the sound inlet hole 2 is formed in the sealing block 16.

It should be noted that, in order to ensure that the sound can be transmitted to the call MIC15, the call MIC15 and the upper case assembly 1 cannot be completely overlapped, so that a gap space is left and is communicated with the sound inlet hole 2 through the propagation channel 17;

an annular sealing block 16 is additionally arranged in the gap space, so that the sealing performance of a transmission channel 17 is improved, the sealing performance and the unicity of sound are ensured, and the sound is transmitted to a call MIC15, so that the generation of noise and echo is reduced;

wherein, the sealing block 16 is in interference fit with the second circuit board 14 and the upper shell assembly 1; the sealing performance of the sealing block 16 is improved by the interference fit, ensuring that sound is able to propagate singularly along the propagation channel 17 to the conversation MIC15.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wireless microphone is characterized by comprising an upper shell assembly (1), wherein a sound inlet hole (2) is formed in a preset position of the upper shell assembly (1), and a cloth layer (3) at least covering the sound inlet hole (2) is arranged on the upper shell assembly (1);

wherein, at least one end of the sound inlet hole (2) is provided with an acoustic mesh layer (4).

2. The wireless microphone according to claim 1, wherein the upper case assembly (1) comprises an upper case body (5), and an upper case bracket (6) detachably connected to the upper case body (5);

wherein, the sound inlet hole (2) is arranged at the preset position of the upper shell body (5).

3. The wireless microphone according to claim 2, wherein the upper case body (5) is provided with a first groove surrounding the sound inlet hole (2), and the upper case bracket (6) is provided with a second groove corresponding to the first groove;

the first groove body is communicated with the second groove body to form a buffer channel (7) communicated with the sound inlet hole (2).

4. The wireless microphone according to claim 3, wherein a foaming sponge body (8) is arranged in the buffer channel (7), and one end face of the foaming sponge body (8) is attached to the cloth layer (3).

5. The wireless microphone according to claim 2, wherein a mounting hole (9) is formed at a preset position of the upper shell body (5);

the upper shell support (6) is provided with a mounting column (10) corresponding to the mounting hole (9), and the mounting column (10) is inserted into the mounting hole (9).

6. The wireless microphone of claim 2, wherein the cloth layer (3) is matched with the shape of the upper shell bracket (6), and the cloth layer (3) is sleeved outside the upper shell bracket (6).

7. The wireless microphone according to claim 6, wherein a clamping position (11) for fixing the cloth layer (3) is arranged between the upper shell body (5) and the upper shell bracket (6), and two ends of the cloth layer (3) are respectively clamped in the clamping position (11).

8. The wireless microphone according to claim 1, further comprising a lower shell component (12) disposed in cooperation with the upper shell component (1), wherein a mounting cavity (13) is formed between the upper shell component (1) and the lower shell component (12);

a control board (18) and a second circuit board (14) provided with a call MIC (15) are arranged in the mounting cavity (13); wherein a call MIC (15) on the second circuit board (14) is disposed right opposite to the sound inlet hole (2).

9. The wireless microphone according to claim 8, wherein a gap space is provided between the second circuit board (14) and the upper housing assembly (1), a sealing block (16) is installed in the gap space, and a propagation channel (17) communicated with the sound inlet hole (2) is formed in the sealing block (16).

10. The wireless microphone according to claim 9, wherein there is an interference fit between the sealing block (16) and the second circuit board (14) and the upper housing assembly (1).