CN215581614U

CN215581614U - Sound box microphone

Info

Publication number: CN215581614U
Application number: CN202122390608.8U
Authority: CN
Inventors: 陈华
Original assignee: Beijing Chang Ba Technology Co ltd
Current assignee: Beijing Chang Ba Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-18
Anticipated expiration: 2031-09-29

Abstract

The application discloses audio amplifier microphone, this audio amplifier microphone includes: the loudspeaker comprises a sound box cavity, a loudspeaker unit and a pickup unit; the sound pickup unit is electrically connected with the loudspeaker unit; the sound box cavity comprises a first shell, a second shell and a shell sealing gasket, wherein the first shell and the second shell are oppositely arranged, and the shell sealing gasket is arranged between the first shell and the second shell; the sound production face of loudspeaker unit is towards dorsad the direction slope setting of pickup unit. The sound box microphone has the advantages that the sealing performance of the sound box cavity is enhanced, air leakage of the sound box cavity is prevented, the purpose of picking up the sound outside the loudspeaker unit by the pickup unit is reduced, the technical effect of squeal is reduced while the portability of the sound box microphone is kept, and the problem that the squeal is difficult to reduce due to the limitation of a product framework of the sound box microphone in the related technology is solved.

Description

Sound box microphone

Technical Field

The application relates to the technical field of electroacoustic, particularly, relate to a audio amplifier microphone.

Background

The sound box and microphone integrated machine is characterized in that a microphone and a sound box are made into a product, the product has the pickup function of the microphone and the playing function of the sound box, sound can be picked up from the microphone, and then the sound box is played. In view of the miniaturized and portable design of the product architecture of the sound box microphone, an equalizer and a feedback suppressor cannot be configured to eliminate feedback squeal, and the distance adjustment method is limited by the product volume and is inconvenient to implement.

Aiming at the problem that the squeal of a sound box microphone in the related art is difficult to reduce due to the limitation of product architecture, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The present application mainly aims to provide a speaker microphone to solve the problem that it is difficult to reduce howling due to product architecture limitation of a speaker microphone in the related art.

In order to achieve the above object, the present application provides a speaker microphone including: the loudspeaker comprises a sound box cavity, a loudspeaker unit and a pickup unit; wherein the content of the first and second substances,

the sound pickup unit is electrically connected with the loudspeaker unit;

the sound box cavity comprises a first shell, a second shell and a shell sealing gasket, wherein the first shell and the second shell are oppositely arranged, and the shell sealing gasket is arranged between the first shell and the second shell;

the sound production face of loudspeaker unit is towards dorsad the direction slope setting of pickup unit.

Furthermore, one side of the second shell facing the first shell is provided with a mounting groove, and the shell sealing gasket is embedded in the mounting groove;

the first shell is buckled on the second shell, and the shell sealing gasket is tightly pressed in the mounting groove.

Furthermore, the sound emitting surface of the horn unit is inclined downwards by 3-10 degrees towards the direction back to the sound pickup unit. Furthermore, pickup unit is including locating first casing with the miaow head support of second casing upper end, and locate miaow head on the miaow head support.

Further, the lower extreme of miaow head support inlays to be established first casing with second casing upper end, miaow head support adopts silica gel to make.

The loudspeaker box further comprises a handle arranged at the lower end of the cavity of the loudspeaker box, and a battery assembly is arranged in the handle;

the battery pack comprises a power supply battery and a battery damping sleeve sleeved on the power supply battery.

Furthermore, the battery damping sleeve is made of foam soft materials.

Further, still be provided with the control panel in the handle, the audio amplifier cavity with the handle passes through the control panel mounting hole intercommunication, the upper end of control panel passes the control panel mounting hole.

Furthermore, a control plate sealing gasket is arranged in the control plate mounting hole, and the upper end of the control plate penetrates through the control plate sealing gasket.

Furthermore, a mesh enclosure is fixedly arranged at the upper end of the sound box cavity, and an inner blowout prevention cotton is fixedly arranged on the inner side of the mesh enclosure.

In the embodiment of the application, the sound box cavity, the loudspeaker unit and the sound pickup unit are arranged; the sound pickup unit is electrically connected with the loudspeaker unit; the sound box cavity comprises a first shell, a second shell and a shell sealing gasket, wherein the first shell and the second shell are oppositely arranged, and the shell sealing gasket is arranged between the first shell and the second shell; the sound production face of loudspeaker unit is towards dorsad the direction slope of pickup unit sets up, has reached the leakproofness of strengthening the audio amplifier cavity, prevents audio amplifier cavity gas leakage to and reduce the purpose that pickup unit picked up loudspeaker unit's the sound of putting outward, thereby realized keeping audio amplifier microphone portability, reduced the technological effect of whistling, and then solved among the relevant art audio amplifier microphone and restricted because of the product framework, be difficult to reduce the problem of whistling.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a second housing according to an embodiment of the present application;

FIG. 3 is a cross-sectional structural schematic according to an embodiment of the present application;

the loudspeaker comprises a loudspeaker box body 1, a second shell 101, a first shell 102, a blowout prevention cotton in 2, a mesh enclosure 3, a pickup unit 4, a microphone support 41, a microphone 42, a loudspeaker unit 5, a battery damping sleeve 6, a handle 7, a control panel 8, a control panel sealing gasket 9, an appearance sponge cover 10, a shell sealing gasket 11, a power supply battery 12 and a mounting groove 13.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 3, an embodiment of the present application provides a speaker microphone, including: the loudspeaker box comprises a loudspeaker box cavity 1, a loudspeaker unit 5 and a pickup unit 4; wherein the content of the first and second substances,

the sound box cavity 1 is hollow, the loudspeaker unit 5 is arranged in the sound box cavity 1, the pickup unit 4 is electrically connected with the loudspeaker unit 5, and the pickup unit 4 picks up the sound of a user and transmits the sound to the loudspeaker unit 5 for sound amplification playing;

the sound box cavity 1 comprises a first shell 102, a second shell 101 and a shell sealing gasket 11, wherein the first shell 102 and the second shell 101 are arranged oppositely;

the sound emitting surface of the speaker unit 5 is inclined in a direction away from the sound pickup unit 5.

In the embodiment, the howling generated in use is reduced by improving the two parts of the microphone of the sound box. Firstly, because the sound box cavity 1 is composed of the first shell 102 and the second shell 101, and the speaker unit 5 is installed in the sound box cavity 1, the speaker unit 5 can drive air to flow when generating sound and vibration, and in order to reduce squeal, it is necessary to avoid the situation that air leaks because the air flows out from the connection between the first shell 102 and the second shell 101. Therefore, in the present embodiment, the housing gasket 11 is installed between the first housing 102 and the second housing 101, the overall shape of the housing gasket 11 is similar to the cross-sectional shape of the first housing 102 or the second housing 101, and in particular, when the first housing 102 and the second housing 101 are both annular, the housing gasket 11 may also be provided in an annular shape. Because the upper end and the lower extreme of audio amplifier cavity 1 still need install other spare part, consequently the sealed 11 of casing comprises two sealing strips in this embodiment, and two sealing strips set up relatively. The sealing strip can be made of EVA soft material, and has better sealing performance. By arranging the shell sealing gasket 11, squeal caused by air leakage of the sound box cavity 1 can be reduced to a certain extent.

Secondly, the sound pickup unit 4 is generally installed at the upper end of the cavity 1 of the sound box, and the reason for generating whistling is that the sound pickup unit 4 picks up the sound emitted by the speaker unit 5 at the same time of picking up the sound of the user, so in order to reduce the sound pickup of the speaker unit 5 by the sound pickup unit 4, the installation position of the speaker unit 5 is adjusted in this embodiment, so that the sound emitting surface faces away from the sound pickup unit 4 and is arranged obliquely downwards. Specifically, the sound generating surface of the speaker unit 5 is located on one side of the central axis of the sound pickup unit 4 and is inclined downward by a certain angle. Through the setting of this structure, optimized loudspeaker unit 5's sound production direction, made it and pickup unit 4's pickup direction between have certain contained angle to reducible pickup unit 4 picks up loudspeaker unit 5's the sound of playing outward, thereby reduces to howl.

In the embodiment, the two structures of the sound box microphone are improved to reduce squeal, namely, the sealing performance of the sound box cavity 1 is enhanced, air leakage of the sound box cavity 1 is prevented, and the sound pickup unit 4 is reduced to pick up the external sound of the loudspeaker unit 5, so that the technical effect of reducing squeal is achieved while the portability of the sound box microphone is maintained, and the problem that the squeal of the sound box microphone is difficult to reduce due to the limitation of a product framework in the related technology is solved.

As shown in fig. 1 to 2, a mounting groove 13 is formed in one side of the second housing 101 facing the first housing 102, and the housing gasket 11 is embedded in the mounting groove 13;

the first housing 102 is fastened to the second housing 101, and presses the housing gasket 11 into the mounting groove 13.

Specifically, in this embodiment, the first casing 102 and the second casing 101 are distributed left and right, and the two casings can be relatively buckled to form the sound box cavity 1. In order to facilitate the installation of the housing gasket 11, the second housing 101 is provided with an installation groove 13 along the outer contour thereof, and the housing gasket 11 is installed in interference fit with the installation groove 13. In order to further improve the sealing performance, a protruding structure matched with the mounting groove 13 is arranged on one side of the first shell 102 facing the second shell 101, and when the first shell 102 and the second shell 101 are fastened and fixed, the protruding structure of the first shell 102 is clamped into the mounting groove 13 of the second shell 101 and abuts against the shell gasket 11. In order to improve the connection strength between the first housing 102 and the second housing 101, the first housing 102 and the second housing 101 may be fastened together and then fixed by screws.

As shown in fig. 3, the sound emitting surface of the speaker unit 5 is inclined downward 3-10 °, preferably 5 °, in a direction away from the sound pickup unit 4, so that a good sound emitting effect can be achieved, and the sound emitted from the speaker unit 5 picked up by the sound pickup unit 4 can be reduced. The horn unit 5 in this embodiment is configured as one horn or two horns installed in the cabinet cavity 1. When two horns are provided, the sound emitting surfaces of the two horns are arranged oppositely.

The sound pickup unit 4 includes a head bracket 41 provided at the upper ends of the first and

second housings

102 and 101, and a head 42 provided on the head bracket 41.

The vibration generated in the sounding process of the speaker unit 5 is transmitted to the microphone bracket 41 through the first shell 102 and the second shell 101, so as to drive the microphone 42 to vibrate, and the microphone 42 generates the positive feedback of the sound once vibrating, thereby causing the squeal problem. Therefore, in order to reduce the squeal caused by the structure, the vibration of the microphone holder 41 needs to be reduced, in this embodiment, the lower end of the microphone holder 41 is embedded in the upper ends of the first shell 102 and the second shell 101, and the microphone holder 41 is made of silica gel. Because the microphone bracket 41 is a soft bracket made of silica gel, when the speaker unit 5 generates sound and vibrates, the vibration of the microphone 42 can be reduced, thereby reducing squeal.

The sound box microphone needs to be powered during normal use, so in the embodiment, the sound box microphone also comprises a handle 7 arranged at the lower end of the sound box cavity 1, and a battery assembly is arranged in the handle 7; like the microphone 42, when the speaker unit 5 generates sound, the handle 7 and the battery pack mounted in the handle 7 are also driven to vibrate, thereby generating squeal, and therefore to solve the problem, the battery pack in this embodiment includes the power supply battery 12 and a battery damping sleeve sleeved on the power supply battery 12. The battery damping sleeve 6 can completely wrap the power supply battery 12, so that the power supply battery 12 is prevented from vibrating and squeaking is reduced, and the power supply battery 12 can be fixed through the battery damping sleeve 6, so that the power supply battery 12 is prevented from being insecure in the handle 7. Furthermore, the battery damping sleeve is made of foam soft materials.

As shown in fig. 1 and 3, a control board 8 is further disposed in the handle 7, the control board 8 is a PCB control board, and electronic components in the speaker microphone are all electrically connected to the control board 8 and are controlled by the control board 8 in a unified manner. Because handle 7 is located the below of loudspeaker unit 5 and pickup unit 4, so for the control audio amplifier cavity 1 and the handle 7 to pickup unit 4 and loudspeaker unit 5 to pass through the control panel mounting hole intercommunication, the control panel mounting hole is passed to the upper end of control panel 8.

Because the vibration when loudspeaker unit 5 phonation also can drive control panel 8 vibration, consequently for reducing control panel 8's vibration, be provided with control panel sealed pad 9 in control panel 8 mounting hole, control panel 8's upper end passes control panel sealed pad 9.

As shown in fig. 1 to 3, a mesh 3 is fixedly disposed at an upper end of the cavity 1 of the sound box, the inner blowout preventer 2 is fixedly disposed inside the mesh 3, the mesh 3 covers the microphone 42 and the microphone bracket 41, and a certain distance is maintained between the microphone 42 and the mesh 3. The inner blowout preventer 2 and the mesh enclosure 3 can be arranged in a hemispherical shape, and a plurality of meshes are arranged on the mesh enclosure 3. In order to improve the aesthetic property of the product, an appearance sponge cover 10 is also sleeved on the sound box cavity 1 and the mesh enclosure 3.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A speaker microphone, comprising: the loudspeaker comprises a sound box cavity, a loudspeaker unit and a pickup unit; wherein the content of the first and second substances,

the sound pickup unit is electrically connected with the loudspeaker unit;

2. A sound box microphone according to claim 1, wherein a mounting groove is formed in a side of the second casing facing the first casing, and the casing sealing gasket is embedded in the mounting groove;

3. A cabinet microphone according to claim 1, wherein a sound emitting surface of the speaker unit is inclined 3 to 10 ° in a direction away from the sound pickup unit.

4. A speaker microphone as claimed in any one of claims 1 to 3, wherein the pickup unit includes a head holder provided at an upper end of the first and second housings, and a head provided on the head holder.

5. A loudspeaker box microphone as claimed in claim 4, wherein the lower end of the microphone holder is embedded in the upper ends of the first and second housings, and the microphone holder is made of silica gel.

6. The speaker microphone of claim 5, further comprising a handle disposed at a lower end of the cavity, wherein a battery assembly is disposed in the handle;

7. A speaker microphone as claimed in claim 6, wherein the battery damping sleeve is made of a foam soft material.

8. A sound box microphone according to claim 6 or 7, characterized in that a control board is further provided in the handle, the sound box cavity and the handle are communicated through a control board mounting hole, and the upper end of the control board passes through the control board mounting hole.

9. A speaker microphone as claimed in claim 8, wherein a control board packing is provided in the control board mounting hole, and an upper end of the control board passes through the control board packing.

10. A sound box microphone as claimed in claim 9, wherein a mesh enclosure is fixed to the upper end of the sound box cavity, and an inner anti-blowout cotton is fixed to the inside of the mesh enclosure.