CN219087269U

CN219087269U - Desktop microphone of duplex communication

Info

Publication number: CN219087269U
Application number: CN202320076763.9U
Authority: CN
Inventors: 刘朝阳
Original assignee: Shenzhen Cxd Science & Technology Co ltd
Current assignee: Shenzhen Cxd Science & Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-26
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a desktop microphone for duplex communication, which comprises a unidirectional microphone component, a fixed shell, a microphone rod, a loudspeaker and a control main board, wherein the upper surface of the fixed shell is obliquely arranged relative to a horizontal plane, the control main board is arranged in the fixed shell, the loudspeaker is arranged on the inner wall of the upper surface of the fixed shell, the unidirectional microphone component is fixed on the upper surface of the fixed shell through the microphone rod, the microphone rod is of a bendable hollow structure, and a cable is arranged in the microphone rod and is used for connecting the unidirectional microphone component with the control main board. The utility model sets the sound outlet of the loudspeaker to form a certain included angle with the horizontal plane, and forms dislocation with the unidirectional microphone, thereby being beneficial to pickup of personnel to conform to the use scene, effectively avoiding interference to the microphone, further achieving the effect of eliminating echo, and being provided with the DSP voice processing chip functionally, being capable of further suppressing noise and eliminating echo, improving the communication voice quality and meeting the use of various environments.

Description

Desktop microphone of duplex communication

Technical Field

The utility model belongs to the technical field of communication scheduling, and particularly relates to a desktop microphone for duplex communication.

Background

Microphones, known as microphones, are interpreted by the english microphone (microphone), also called microphones, which are energy conversion devices that convert sound signals into electrical signals. The desktop microphone is a microphone which is placed on a desktop for use, and is convenient for the speaker to expand and put the voice. However, the existing desktop microphone has the problem that the communication quality is interfered by echo in the use process regardless of the mode of simplex communication or duplex communication, so that the practicability is not guaranteed.

Disclosure of Invention

The utility model aims to provide a desktop microphone for duplex communication, which aims to solve the problems in the background technology. In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a desktop microphone of duplex communication, includes unidirectional microphone subassembly, fixed casing, miaow pole, speaker and control mainboard, the upper surface of fixed casing sets up with the slope of horizontal plane relatively, the control mainboard is installed in fixed casing, the speaker is installed the inner wall of fixed casing upper surface, unidirectional microphone subassembly passes through the miaow pole to be fixed at fixed casing's upper surface, the miaow pole is the hollow structure that can buckle, inside is equipped with the cable for unidirectional microphone subassembly is connected with the control mainboard, be equipped with DSP speech processing chip on the control mainboard.

Preferably, the fixed casing upper surface still is equipped with the PPT button and the volume knob of tape light, and the leading flank of fixed casing is equipped with 3.5mm jack, D-Sub socket and USB interface, the trailing flank of fixed casing is equipped with the data plate position, the silica gel protection pad is installed to the below of fixed casing.

Preferably, the included angle between the upper surface of the fixed shell and the horizontal plane is set to be 10 degrees, namely, the included angle between the sound outlet of the loudspeaker and the horizontal plane is set to be 80 degrees, the appearance of the loudspeaker is set to be rectangular, a loudspeaker protection net is arranged above the loudspeaker, the loudspeaker is mounted on the outer wall of the upper surface of the fixed shell, and the loudspeaker protection net are fixed with the fixed shell through double-sided adhesive tape.

Preferably, the unidirectional microphone assembly comprises a microphone screen cover, a unidirectional microphone and a microphone base, wherein the unidirectional microphone is installed in the microphone base, a microphone sheath is sleeved outside the unidirectional microphone, microphone dustproof cotton is arranged above the unidirectional microphone sheath, the microphone screen cover is installed at the top of the microphone base, and a decorative ring is arranged outside the microphone base.

The utility model has the beneficial effects that:

the utility model has simple structure and convenient assembly, and can better exert the performance of the unidirectional microphone by adopting a top-down structure as a whole, and the voice outlet of the loudspeaker forms a certain included angle with the horizontal plane so as to form dislocation with the unidirectional microphone, thereby being beneficial to the pickup of personnel to conform to the use scene, effectively avoiding the interference to the microphone and further achieving the effect of eliminating the echo.

Drawings

Fig. 1 is a schematic diagram of an overall desktop microphone for duplex communication according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an explosion structure of a desktop microphone for duplex communication according to an embodiment of the present utility model;

fig. 3 is a schematic side view of a desktop microphone for duplex communication according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1-unidirectional microphone assembly, 11-microphone screen, 12-microphone dust screen, 13-unidirectional microphone, 14-microphone sheath, 15-decorative ring, 16-microphone base, 2-microphone stick, 3-fixed housing, 4-control main board, 5-speaker, 6-speaker screen, 7-PPT button, 8-volume knob, 9-silica gel protection pad, 20-3.5mm jack, 30-D-Sub socket, 40-USB interface, 50-nameplate.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiments, and the terms "upper," "lower," "left," "right," "front," "back," and the like are used herein with reference to the positional relationship of the drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1 to 3, the embodiment of the utility model provides a desktop microphone for duplex communication, which comprises a unidirectional microphone assembly 11, a fixed housing 3, a microphone rod 2, a speaker 5 and a control main board 4, wherein the upper surface of the fixed housing 3 is obliquely arranged relative to a horizontal plane, the control main board 4 is installed in the fixed housing 3, the speaker 5 is installed on the inner wall of the upper surface of the fixed housing 3, the unidirectional microphone assembly 1 is fixed on the upper surface of the fixed housing 3 through the microphone rod 2, the microphone rod 2 is of a bendable hollow structure, a cable is arranged in the microphone rod for connecting the unidirectional microphone assembly 1 with the control main board 4, and a DSP voice processing chip is arranged on the control main board 4.

In this embodiment, the upper surface of the fixed housing 3 is further provided with a PPT button 7 with an indicator light and a volume knob 8, the front side of the fixed housing 3 is provided with a 3.5mm jack 20, a d-Sub socket 30 and a USB interface 40, the rear side of the fixed housing 3 is provided with a nameplate 50, and a silica gel protection pad 9 is installed below the fixed housing 3.

In this embodiment, the included angle between the upper surface of the fixed housing 3 and the horizontal plane is set to 10 °, that is, the included angle between the sound outlet of the speaker 5 and the horizontal plane is 80 °, the appearance of the speaker 5 is set to be rectangular, the speaker protection net 6 is arranged above the speaker 5, the speaker 5 is mounted on the outer wall of the upper surface of the fixed housing 3, and the speaker 5 and the speaker protection net 6 are fixed with the fixed housing through double-sided tape.

In this embodiment, the unidirectional microphone assembly 1 includes a microphone screen 11, a unidirectional microphone 13, a microphone base 16, the unidirectional microphone 13 is installed in the microphone base 16, a microphone sheath 15 is sleeved outside the unidirectional microphone 13, a microphone dust-proof cotton 12 is disposed above the unidirectional microphone 13, the microphone screen 11 is installed at the top of the microphone base 16, and a decorative ring 15 is disposed outside the microphone base 16.

The utility model has simple structure and convenient assembly, and can better exert the performance of the unidirectional microphone 13 by adopting a top-down structure as a whole, and the voice outlet of the loudspeaker 5 forms a certain included angle with the horizontal plane so as to form dislocation with the unidirectional microphone 13, thereby being beneficial to the pickup of personnel to conform to the use scene, effectively avoiding the interference to the microphone and further achieving the effect of eliminating the echo.

The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.

Claims

1. A desktop microphone for duplex communication, characterized by: including unidirectional microphone subassembly, fixed casing, miaow pole, speaker and control mainboard, the upper surface of fixed casing sets up with the slope of horizontal plane relatively, the control mainboard is installed in fixed casing, the speaker is installed the inner wall of fixed casing upper surface, unidirectional microphone subassembly passes through the miaow pole to be fixed at fixed casing's upper surface, the miaow pole is the hollow structure that can buckle, inside is equipped with the cable for unidirectional microphone subassembly is connected with the control mainboard.

2. A duplex communication desk microphone according to claim 1, wherein: the included angle between the upper surface of the fixed shell and the horizontal plane is set to be 10 degrees, namely, the included angle between the sound outlet of the loudspeaker and the horizontal plane is set to be 80 degrees.

3. A duplex communication desk microphone according to claim 2, wherein: the appearance of speaker sets up to the rectangle, the top of speaker is equipped with the speaker protection network, the speaker is installed the outer wall of fixed casing upper surface, speaker and speaker protection network are all fixed with the fixed casing through double faced adhesive tape.

4. A duplex communication desk microphone according to claim 1, wherein: the unidirectional microphone assembly comprises a microphone mesh cover, a unidirectional microphone and a microphone base, wherein the unidirectional microphone is installed in the microphone base, a microphone sheath is sleeved outside the unidirectional microphone, microphone dustproof cotton is arranged above the unidirectional microphone sheath, the microphone mesh cover is installed at the top of the microphone base, and a decorative ring is arranged outside the microphone base.

5. A duplex communication desk microphone according to claim 1, wherein: the utility model discloses a portable electronic device, including fixed casing, silica gel protection pad, fixed casing, D-Sub socket and USB interface, fixed casing upper surface still is equipped with the PPT button and the volume knob of tape light, and fixed casing's leading flank is equipped with 3.5mm jack, and fixed casing's trailing flank is equipped with the data plate position, the silica gel protection pad is installed to fixed casing's below.

6. A duplex communication desk microphone according to claim 1, wherein: and a DSP voice processing chip is arranged on the control main board.