CN210629762U - Microphone and sound box integrated machine - Google Patents

Abstract

The application discloses microphone audio amplifier all-in-one. This microphone audio amplifier all-in-one includes: a microphone structure and a sound box structure; the sound box structure comprises a shell, a sound receiving cavity, an isolation cavity and a loudspeaker, wherein a sound outlet is formed in the lower end of the shell, the sound receiving cavity, the isolation cavity and the loudspeaker are all positioned in the shell, the loudspeaker is packaged between the sound outlet and the sound receiving cavity, and the sound outlet of the loudspeaker faces the sound outlet; the microphone structure is connected to the upper end of the shell, and the isolation cavity is located between the sound receiving cavity and the microphone structure. The technical problem that the microphone and sound box integrated machine is very easy to generate squeal in the related technology can be solved.

Description

Microphone and sound box integrated machine

Technical Field

The application relates to the technical field of audio equipment, in particular to a microphone and sound box all-in-one machine.

Background

The microphone and sound box integrated machine is audio receiving and playing equipment formed by assembling a microphone and a sound box, and therefore the microphone and sound box integrated machine has the sound pickup function of the microphone and the playing function of the sound box.

In the correlation technique, the structure of microphone audio amplifier all-in-one mainly is for installing the microphone structure on the shell of audio amplifier, and the rethread is located the loudspeaker of the control circuit board control microphone and audio amplifier respectively in the audio amplifier, and sound can be picked up into from the microphone, then the loudspeaker of rethread audio amplifier is broadcast.

In the course of implementing the present application, the inventors found that there are at least the following problems in the related art:

in the related art, when the microphone and the sound box work simultaneously, sound waves generated by the sound production of the loudspeaker of the sound box are conducted to the microphone through the interior of the sound box, so that the microphone and sound box integrated machine is very easy to generate squeal.

Disclosure of Invention

The main purpose of the present application is to provide an all-in-one machine with a microphone and a sound box, so as to solve the problem that the all-in-one machine with a microphone and a sound box is very easy to generate howling.

In order to achieve the above object, the present application provides an all-in-one microphone and sound box machine, which includes a microphone structure and a sound box structure;

the loudspeaker box structure comprises a shell, a sound receiving cavity, an isolation cavity and a loudspeaker, wherein a sound outlet is formed in the lower end of the shell, the sound receiving cavity, the isolation cavity and the loudspeaker are all located in the shell, the loudspeaker is packaged between the sound outlet and the sound receiving cavity, and the sound outlet of the loudspeaker faces the sound outlet;

the microphone structure is connected to the upper end of the shell, and the isolation cavity is located between the sound receiving cavity and the microphone structure.

Optionally, the sound receiving chamber is a sealed chamber.

Optionally, the horizontal sectional area of the sound receiving chamber is gradually increased from top to bottom.

Optionally, the sound receiving chamber is shaped like a horn.

Optionally, the sound box structure further includes a first bracket and a second bracket;

the first bracket and the second bracket are both mounted on the inner wall of the housing;

the first bracket is positioned between the sound receiving chamber and the isolation chamber to isolate the sound receiving chamber and the isolation chamber;

the second support is located the radio reception cavity with between the sound outlet to isolated the radio reception cavity with the sound outlet, loudspeaker are fixed on the second support, first support lower extreme with the second support upper end is connected.

Optionally, the sound box structure further includes a first sealing ring, a second sealing ring, and a third sealing ring;

the first sealing ring is installed the first support with between the shell inner wall, the second sealing ring is installed the second support with between the shell inner wall, the third sealing ring is installed the second support with between the loudspeaker.

Optionally, the sound box structure further comprises a control component and a power supply component;

the control assembly and the power assembly are both located in the isolation chamber and are both mounted between the first bracket and the inner wall of the housing.

Optionally, the control assembly comprises a control circuit board and at least one key mechanism;

the key mechanism comprises a key, a vibration reduction pad and a key support, the key is arranged on the key support, the key support is arranged on the control circuit board, and the vibration reduction pad is arranged between the key and the key support;

the shell is provided with a through hole corresponding to the key mechanism, and the keys included in the key mechanism are exposed out of the shell through the through hole.

Optionally, the sound box structure further comprises a buffer foot pad for contacting the supporting end face;

the buffering callus on the sole is the annular, the buffering callus on the sole is installed on the sound outlet of shell.

Optionally, the microphone structure includes a sound head iron net, a microphone head vibration reduction bracket and an iron net bracket;

the utility model discloses a microphone, including audio amplifier, microphone vibration reduction support, audio amplifier, microphone vibration reduction support, audio amplifier, microphone vibration reduction support, microphone, audio amplifier, microphone, audio amplifier, microphone.

In the microphone and sound box integrated machine of the microphone and sound box integrated machine, a microphone structure and a sound box structure are arranged; the loudspeaker box structure comprises a shell, a sound receiving cavity, an isolation cavity and a loudspeaker, wherein a sound outlet is formed in the lower end of the shell, the sound receiving cavity, the isolation cavity and the loudspeaker are all located in the shell, the loudspeaker is packaged between the sound outlet and the sound receiving cavity, and the sound outlet of the loudspeaker faces the sound outlet; the microphone structure is connected to the upper end of the shell, and the isolation cavity is located between the sound receiving cavity and the microphone structure. The sound receiving cavity is located on the back of the sound production direction of the loudspeaker, the sound receiving cavity forms a sound cavity of the loudspeaker, negative phase sound waves transmitted to the back by the loudspeaker can be received in the sound receiving cavity, the negative phase sound waves are eliminated, the negative phase sound waves generated by the loudspeaker are greatly offset, and the isolation cavity is arranged between the sound receiving cavity and the microphone structure, so that the isolation cavity can further isolate the vibration of the sound receiving cavity, and howling is effectively avoided. And the technical problem that the microphone and sound box integrated machine is very easy to generate squeal is solved. In addition, the sound receiving chamber can eliminate the negative phase sound wave, so that the negative phase sound wave is prevented from offsetting the positive phase sound wave transmitted to the positive direction of the loudspeaker, and the volume of the microphone and sound box integrated machine is increased (particularly the bass effect is improved).

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 structural diagram of an all-in-one microphone and loudspeaker provided in an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of an all-in-one microphone and sound box provided in an embodiment of the present application;

fig. 3 is an exploded view of a microphone and sound box all-in-one machine provided in the embodiment of the present application.

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. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", 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," "mounted," "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 microphone and sound box all-in-one machine, which includes a microphone structure 1 and a sound box structure 2;

the sound box structure 2 comprises a shell 21, a sound receiving chamber 22, an isolation chamber 23 and a loudspeaker 24, wherein a sound outlet 211 is formed in the lower end of the shell 21, the sound receiving chamber 22, the isolation chamber 23 and the loudspeaker 24 are all positioned in the shell 21, the loudspeaker 24 is packaged between the sound outlet 211 and the sound receiving chamber 22, and the sound outlet of the loudspeaker 24 faces the sound outlet 211;

the microphone arrangement 1 is attached to the upper end of the housing 21 with the isolation chamber 23 between the sound receiving chamber 22 and the microphone arrangement 1.

In the present embodiment, the sound receiving chamber 22 is located on the back of the sound emitting direction of the speaker 24, the sound receiving chamber 22 forms a sound cavity of the speaker 24, the negative phase sound wave transmitted from the speaker 24 to the back is received in the sound receiving chamber 22, the negative phase sound wave is eliminated, and the negative phase sound wave generated by the speaker 24 is largely cancelled, and the isolation chamber 23 is further arranged between the sound receiving chamber 22 and the microphone structure 1, so that the isolation chamber 23 can further isolate the vibration of the sound receiving chamber 22, thereby effectively avoiding the generation of whistling. And the technical problem that the microphone and sound box integrated machine is very easy to generate squeal is solved. In addition, the sound receiving chamber 22 eliminates the negative phase sound wave, so that the negative phase sound wave is prevented from offsetting the positive phase sound wave transmitted to the loudspeaker 24 in the positive direction, and the volume of the microphone and sound box all-in-one machine is increased (especially the bass effect is improved).

Optionally, the sound receiving chamber 22 is a sealed chamber.

In particular, when the sound receiving chamber 22 is a sealed chamber, the absorption effect of the sound receiving chamber 22 on the negative phase sound wave generated by the speaker 24 can be further improved.

Optionally, the horizontal cross-sectional area of the sound-receiving chamber 22 is gradually increased from top to bottom.

Specifically, the horizontal sectional area of radio reception cavity 22 is grow gradually from top to bottom, that is to say, grow gradually from top to bottom in the radio reception cavity 22, and at the loudspeaker 24 that the cooperation was placed down, can effectively offset the vibration that loudspeaker 24 produced when the pronunciation, and is further, reduce loudspeaker 24 and audio amplifier structure 2 vibration when the pronunciation, avoid the vibration that causes of miaow head in microphone structure 1 to effectively prevent the emergence of the problem of whistling.

Optionally, the sound receiving chamber 22 is horn shaped.

In the present embodiment, the sound receiving chamber 22 may be shaped like a horn 24, so that the sound receiving chamber 22 may become gradually larger from top to bottom, and the sound receiving chamber 22 is also convenient for receiving sound of sound waves conducted from bottom to top.

Optionally, the sound box structure 2 further comprises a first bracket 25 and a second bracket 26;

the first bracket 25 and the second bracket 26 are both mounted on the inner wall of the housing 21;

the first bracket 25 is positioned between the sound receiving chamber 22 and the isolation chamber 23 to isolate the sound receiving chamber 22 from the isolation chamber 23;

the second bracket 26 is positioned between the sound receiving chamber 22 and the sound outlet 211 to isolate the sound receiving chamber 22 from the sound outlet 211, the loudspeaker 24 is fixed on the second bracket 26, and the lower end of the first bracket 25 is connected with the upper end of the second bracket 26.

Specifically, the sound receiving chamber 22 may be formed in an independent sealed space surrounded by the housing 21, the first bracket 25, the second bracket 26 and the speaker 24, and the isolation chamber 23 may be formed in an independent space surrounded by the first bracket 25 and the housing 21, wherein the back surface of the speaker 24 may directly contact the sound receiving chamber 22, and negative phase sound emitted from the back surface of the speaker 24 may preferentially enter the sound receiving chamber 22, and the sound receiving chamber 22 directly cancels the negative phase sound emitted from the back surface of the speaker 24, thereby avoiding excessive vibration of the negative phase sound emitted from the back surface of the speaker 24 to other components.

Optionally, the sound box structure 2 further includes a first sealing ring 27, a second sealing ring 28 and a third sealing ring 29;

a first seal 27 is mounted between the first bracket 25 and the inner wall of the housing 21, a second seal 28 is mounted between the second bracket 26 and the inner wall of the housing 21, and a third seal 29 is mounted between the second bracket 26 and the horn 24.

Specifically, the gap between the first support 25 and the inner wall of the housing 21 can be sealed by the first sealing ring 27, the gap between the second support 26 and the inner wall of the housing 21 can be sealed by the second sealing ring 28, and the gap between the second support 26 and the loudspeaker 24 can be sealed by the third sealing ring 29, so that the sound receiving chamber 22 has a better sealing effect, and the sound receiving of the negative phase sound emitted from the back of the loudspeaker 24 by the sound receiving chamber 22 is improved.

In order to fix the first bracket 25 and the second bracket 26 inside the housing 21, optionally, the housing 21 includes an upper shell 212 and a bottom shell 213, the first bracket 25, the second bracket 26, the sound receiving chamber 22, the isolation chamber 23, and the speaker 24 are all located in the upper shell 212, the microphone structure 1 is connected to the upper end of the upper shell 212, the bottom shell 213 is connected to the lower end of the upper shell 212, the edge of the second bracket 26 is clamped in a clamping groove between the upper shell 212 and the bottom shell 213, the first bracket 25 and the second bracket 26 are connected by a screw through a guide post, a protrusion is provided on the inner wall of the upper shell 212, and the upper portion of the edge of the first bracket 25 is in contact with the protrusion, so that the first bracket 25 is pressed on the protrusion by the second bracket 26, thereby completing the fixing of the first bracket 25 and the second bracket 26 inside the housing 21. In addition, the horn 24 may be screwed to the second bracket 26.

Specifically, the bottom case 213 may be coupled to the bottom of the upper case 212 by a screw or a thread.

Optionally, the loudspeaker box structure 2 further comprises a control component and a power supply component 201;

the control and power supply components 201 are located in the isolation chamber 23 and the control and power supply components 201 are mounted between the first bracket 25 and the inner wall of the housing 21.

Specifically, in order to reasonably utilize the internal space of the enclosure structure 2, the control component and the power supply component 201 included in the enclosure structure 2 may be assembled in the isolation chamber 23, and the control component and the power supply component 201 may be fixed by the first bracket 25.

Optionally, the control assembly includes a control circuit board 202 and at least one key mechanism;

the key mechanism comprises a key, a vibration damping pad 203 and a key support, the key is arranged on the key support, the key support is arranged on the control circuit board 202, and the vibration damping pad 203 is arranged between the key and the key support;

the housing 21 is provided with a through hole 212 corresponding to the key mechanism, and the keys included in the key mechanism are exposed out of the housing 21 through the through hole 212.

Specifically, among the correlation technique, when loudspeaker 24 carries out the during operation, must make whole audio amplifier structure 2 lead to the fact certain vibration, and audio amplifier structure 2 is whole when the vibration, will certainly contact the collision between the part that links to each other, produce certain noise, especially between the button and the key-press support of easily moving about in the key-press mechanism, change and produce the noise, and this kind of noise also can cause certain squeaking, and the microphone audio amplifier all-in-one that this application provided sets up damping pad 203 for avoiding contacting the noise that the collision produced between button and the key-press support.

As shown in fig. 2, a vibration-damping pad 203 may be provided between the key holder and the housing 21 without avoiding collision between the key holder and the housing 21.

Wherein, the key mechanism may include a singing key mechanism and a combined key mechanism, etc., the singing key mechanism includes a singing key 204, a double-faced adhesive tape 207 and a support of the singing key 204, and the combined key mechanism includes a combined key 205, a combined key support 206 and a double-faced adhesive tape 207.

Optionally, the control assembly may further include a bluetooth reset key 208 and a light guide 209, and the bluetooth reset key 208 and the light guide 209 may also be connected to other components through the damping pad 203.

In addition, the control assembly may further include components such as a USB decorative cover 2010 and a USB decorative sheet 2011.

Optionally, the sound box structure 2 further includes a buffer foot pad 210 for contacting the supporting end surface;

the buffer foot pad 210 is ring-shaped, and the buffer foot pad 210 is installed on the sound outlet 211 of the housing 21.

Specifically, support the terminal surface for with the contact surface of this other article when placing other article with audio amplifier structure 2 on, other article can be ground, tea table etc. this moment, this microphone audio amplifier all-in-one is through buffering callus on the sole 210 contact support terminal surface, buffering callus on the sole 210 can play when loudspeaker 24 takes place to lead to the vibration of audio amplifier structure 2 production, produce between audio amplifier structure 2 and the buffering callus on the sole 210 and slide, shell 21 has been avoided and has been supported the terminal surface contact collision, the generation of noise has been avoided.

Optionally, the microphone structure 1 comprises a sound head iron net 11, a microphone head 12, a microphone head vibration reduction bracket 13 and an iron net bracket 14;

the lower end of the iron net support 14 is installed on the shell 21, the sound head iron net 11 is installed on the iron net support 14, the microphone 12 and the microphone damping support 13 are located between the sound head iron net 11 and the iron net support 14, the microphone 12 is installed at the upper end of the microphone damping support 13, and the lower end of the microphone damping support 13 is fixed on the iron net support 14.

In the present embodiment, in order to further avoid the influence of the vibration of the sound box structure 2 on the microphone 12, the microphone damping bracket 13 is adopted to damp the microphone 12, so as to further prevent the occurrence of whistling.

The microphone structure 1 further comprises blowout prevention cotton 15, and the blowout prevention cotton 15 is located between the microphone damping support 13 and the microphone iron net 11.

Wherein, the material of the microphone vibration reduction bracket 13 comprises silica gel.

Wherein, the lower end of the iron net bracket 14 can be connected on the shell 21 through screws

In this microphone audio amplifier all-in-one use, because design an independent sealed radio reception cavity 22 (constitute the sound chamber) in shell 21, at a loudspeaker 24 that places down of radio reception cavity 22 internal design, this kind of airtight radio reception cavity 22 design can be with the whole dress of negative phase sound of loudspeaker 24 in the shell 21 of audio amplifier, then the positive phase sound of effectual performance loudspeaker 24, reduce the offset of positive phase and negative phase sound in the air to promote the volume of this microphone audio amplifier all-in-one. In addition, because the closed sound receiving chamber 22 is used for accommodating the negative phase sound in the sound box shell 21, the negative phase sound is effectively prevented from being transmitted to the microphone 12 part of the microphone structure 1, and the problem of squeaking when a user sings can be reduced.

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 (10)

1. An all-in-one machine of a microphone and a sound box is characterized by comprising a microphone structure and a sound box structure;

the loudspeaker box structure comprises a shell, a sound receiving cavity, an isolation cavity and a loudspeaker, wherein a sound outlet is formed in the lower end of the shell, the sound receiving cavity, the isolation cavity and the loudspeaker are all located in the shell, the loudspeaker is packaged between the sound outlet and the sound receiving cavity, and the sound outlet of the loudspeaker faces the sound outlet;

the microphone structure is connected to the upper end of the shell, and the isolation cavity is located between the sound receiving cavity and the microphone structure.

2. The all-in-one machine of a microphone and a loudspeaker box as claimed in claim 1, wherein the sound receiving chamber is a sealed chamber.

3. The all-in-one machine of the microphone and the loudspeaker box as claimed in claim 1 or 2, wherein the horizontal sectional area of the sound receiving chamber is gradually increased from top to bottom.

4. The all-in-one machine of the microphone and the loudspeaker box as claimed in claim 3, wherein the sound receiving chamber is horn-shaped.

5. The all-in-one machine of claim 1, wherein the speaker structure further comprises a first bracket and a second bracket;

the first bracket and the second bracket are both mounted on the inner wall of the housing;

the first bracket is positioned between the sound receiving chamber and the isolation chamber to isolate the sound receiving chamber and the isolation chamber;

the second support is located the radio reception cavity with between the sound outlet to isolated the radio reception cavity with the sound outlet, loudspeaker are fixed on the second support, first support lower extreme with the second support upper end is connected.

6. The all-in-one machine of a microphone and a loudspeaker box as claimed in claim 5, wherein the loudspeaker box structure further comprises a first sealing ring, a second sealing ring and a third sealing ring;

the first sealing ring is installed the first support with between the shell inner wall, the second sealing ring is installed the second support with between the shell inner wall, the third sealing ring is installed the second support with between the loudspeaker.

7. The all-in-one machine of claim 5, wherein the speaker structure further comprises a control component and a power supply component;

the control assembly and the power assembly are both located in the isolation chamber and are both mounted between the first bracket and the inner wall of the housing.

8. The all-in-one machine of claim 7, wherein the control assembly comprises a control circuit board and at least one key mechanism;

the key mechanism comprises a key, a vibration reduction pad and a key support, the key is arranged on the key support, the key support is arranged on the control circuit board, and the vibration reduction pad is arranged between the key and the key support;

the shell is provided with a through hole corresponding to the key mechanism, and the keys included in the key mechanism are exposed out of the shell through the through hole.

9. The all-in-one machine of claim 1, wherein the speaker structure further comprises a buffer foot pad for contacting the supporting end face;

the buffering callus on the sole is the annular, the buffering callus on the sole is installed on the sound outlet of shell.

10. The all-in-one machine of claim 1, wherein the microphone structure comprises a sound head iron net, a microphone head vibration reduction bracket and an iron net bracket;

the utility model discloses a microphone, including audio amplifier, microphone vibration reduction support, audio amplifier, microphone vibration reduction support, audio amplifier, microphone vibration reduction support, microphone, audio amplifier, microphone, audio amplifier, microphone.

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