CN216625985U

CN216625985U - Multi-sound channel microphone

Info

Publication number: CN216625985U
Application number: CN202123114268.2U
Authority: CN
Inventors: 杨亚星; 叶威廷; 叶威志
Original assignee: Shenzhen Moor Intelligent Acoustics Tech Co ltd
Current assignee: Shenzhen Moor Intelligent Acoustics Tech Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-27
Anticipated expiration: 2031-12-10

Abstract

The utility model belongs to the technical field of microphones, and particularly relates to a multi-channel microphone. The multi-channel microphone comprises a shell provided with an installation space, and a microphone, a control panel and a sound device which are all arranged in the installation space; the sound box comprises a box body, a woofer and a plurality of middle and high sound horns, wherein a plurality of middle and high sound cavities are distributed at intervals on the circumferential inner side wall of the box body, a woofer cavity is arranged inside the sound box, and the woofer cavity and each middle and high sound cavity are arranged at intervals; the middle and high-sound loudspeaker is arranged on the circumferential outer wall of the sound box and is communicated with the middle and high-sound cavity; the woofer is arranged at the bottom of the sound box and is communicated with the bass cavity; the control panel is installed the top of box, the miaow head is installed on the control panel. The multi-channel microphone has the advantages of compact structure, small occupied space and better tone quality.

Description

Multi-sound channel microphone

Technical Field

The utility model belongs to the technical field of microphones, and particularly relates to a multi-channel microphone.

Background

The microphone and the sound box are common audio power amplifier equipment in karaoke, the traditional microphone and the sound box are two independent parts, and the independent audio power amplifier equipment can improve the quality of the sound box; however, in some non-professional entertainment environments, the independent power amplifier device occupies a large space, is high in cost and is inconvenient to use. The existing portable equipment integrating the microphone and the sound into a whole inevitably brings resonance due to the integration of the microphone and the sound into a whole, and influences echo received by the microphone, thereby influencing sound output quality and reducing experience of a user.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-channel microphone aiming at the technical problem of low sound quality when a microphone and a sound are integrated into a whole in the prior art.

In view of the above technical problems, embodiments of the present invention provide a multi-channel microphone, including a housing having an installation space, and a microphone, a control board and a sound device all disposed in the installation space; the sound box comprises a box body, a woofer and a plurality of middle and high sound horns, wherein a plurality of middle and high sound cavities are distributed at intervals on the circumferential inner side wall of the box body, a woofer cavity is arranged inside the sound box, and the woofer cavity and each middle and high sound cavity are arranged at intervals; the middle and high-sound loudspeaker is arranged on the circumferential outer wall of the sound box and is communicated with the middle and high-sound cavity; the woofer is arranged at the bottom of the sound box and is communicated with the bass cavity;

the control panel is installed the top of box, the miaow head is installed on the control panel, just the control panel with the miaow head the woofer and well high-pitched horn all electricity is connected.

Optionally, the housing comprises a lower shell and an upper shell provided with a sound pickup hole, the upper shell is mounted on the lower shell, and the mounting space is enclosed between the upper shell and the lower shell; the microphone the sound picking-up holes are arranged oppositely, and the lower shell is also provided with a middle and high sound hole which is arranged oppositely to the high pitch loudspeaker.

Optionally, the cabinet includes a cover plate and a cabinet casing, the cabinet casing is provided with the middle-high sound cavity and the bass sound cavity, the middle-high sound horn is mounted on a circumferential outer wall of the cabinet casing, and the bass sound horn is mounted at the bottom of the cabinet casing; the cover plate covers the top of the box shell, the control board is installed on the cover plate, and the microphone is installed on the control board.

Optionally, the multi-channel microphone further includes a supporting plate and a flexible bracket, the supporting plate is mounted on the cover plate, an accommodating space is enclosed between the supporting plate and the cover plate, and the control board is located in the accommodating space; the flexible support is installed in the backup pad, the miaow head is installed on the flexible support. .

Optionally, the multi-channel microphone further comprises a vibration disc assembly mounted on the case, and the vibration disc assembly is communicated with the bass cavity.

Optionally, the sound equipment further comprises a sound guiding disc, and the woofer is mounted at the bottom of the box body through the sound guiding disc.

Optionally, the casing is provided with a plurality of low sound holes distributed annularly, and the low sound holes are arranged opposite to the sound guide disc.

Optionally, the casing is further provided with a medium-high sound hole opposite to the medium-high sound horn.

Optionally, a handheld portion is disposed on the casing, an internal space is disposed on the handheld portion, and the multi-channel microphone further includes a battery mounted in the internal space, and the battery is electrically connected to the control board.

Optionally, the multi-channel microphone further comprises a control button mounted on the hand-held portion, the control button being electrically connected with the control board.

Optionally, the multi-channel microphone includes two middle and high sound speakers, and two middle and high sound cavities that are spaced and symmetrically distributed are disposed on a circumferential inner side wall of the box body.

In the utility model, a plurality of middle and high sound cavities distributed at intervals are arranged on the circumferential inner side wall of the box body, a low sound cavity is arranged in the sound box, and the low sound cavity and each middle and high sound cavity are arranged at intervals; the middle and high-sound loudspeaker is arranged on the circumferential outer wall of the sound box and is communicated with the middle and high-sound cavity; the woofer is installed the bottom of stereo set, just woofer intercommunication the bass chamber. The multi-channel microphone is provided with a plurality of sound channels, and each sound channel is provided with an independent cavity and a loudspeaker, so that the sound richness of the multi-channel microphone is improved; and each cavity all is equipped with corresponding loudspeaker, and also every loudspeaker all has an independent cavity to resonance that arouses when having reduced all loudspeaker simultaneous utterances has reduced the mutual interference of air current between the loudspeaker simultaneously, has further promoted the tone quality of this multichannel microphone. In addition, because the well high sound that well high sound loudspeaker sent has stronger directionality, will well high sound loudspeaker sets up on the circumference lateral wall of box, the miaow head sets up the top of box has reduced the miaow head is received the echo of well high sound loudspeaker to improve under limited volume well high sound loudspeaker's power output has improved well high sound loudspeaker's volume.

In addition, the control board is installed at the top of the box body, the microphone is installed on the control board, and the woofer is arranged at the bottom of the box body, so that the distance between the microphone and the woofer is increased; the low-pitch directivity reduces the echo of the woofer received by the microphone, so that the power output of the woofer is improved under the limited volume, and the volume of the woofer is improved. In the application, the multi-channel microphone is compact in structure and small in occupied space.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is an exploded view of a multi-channel microphone according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a multi-channel microphone according to a second embodiment of the present invention;

fig. 3 is a schematic diagram of a partial structure of a multi-channel microphone according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

1. a housing; 11. an installation space; 12. a lower case; 121. a medium-high sound hole; 122. a low sound hole; 13. an upper shell; 131. a sound pickup hole; 14. a hand-held portion; 2. a microphone; 3. a control panel; 4. sounding; 41. a box body; 411. a middle and high sound cavity; 412. a bass chamber; 413. a cover plate; 414. a cabinet housing; 42. a woofer; 43. a medium-high sound horn; 5. a support plate; 6. a flexible support; 7. a vibratory pan assembly; 8. a sound guide disc; 9. a battery; 10. and a control button.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing and simplifying the present invention, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

As shown in fig. 1, a multi-channel microphone according to an embodiment of the present invention includes a housing 1 having an installation space 11, and a microphone 2, a control board 3 and a speaker 4 all disposed in the installation space 11; the sound box 4 comprises a box body 41, a woofer 42 and a plurality of middle and high sound horns 43, wherein a plurality of middle and high sound cavities 411 are arranged on the circumferential inner side wall of the box body 41 at intervals, a low sound cavity 412 is arranged inside the sound box 4, and the low sound cavity 412 and each middle and high sound cavity 411 are arranged at intervals; the middle and high sound horn 43 is installed on the circumferential outer wall of the sound box 4, and the middle and high sound horn 43 is communicated with the middle and high sound cavity 411; the woofer 42 is arranged at the bottom of the sound box 4, and the woofer 42 is communicated with the bass cavity 412; it can be understood that a box is disposed on the circumferential inner side wall of the box 41, the box and the box 41 enclose the middle and high sound cavity 411, the interior of the box 41 except for the middle and high sound cavity 411 is the low sound cavity 412, the low sound cavity 412 is not communicated with the middle and high sound cavity 411, and the middle and high sound cavities 411 are not communicated with each other.

Further, the number of the middle and high sound cavities 411 may be 2, 4, etc. according to actual requirements, and correspondingly, the number of the middle and high sound horns 43 is 2, 4, etc.

The control panel 3 is installed the top of box 41, miaow head 2 is installed on the control panel 3, just the control panel 3 with miaow head 2 the woofer 42 and well high-pitched horn 43 all electricity is connected.

Specifically, the microphone 2 can acquire the voice of the user, and after the voice is processed by the control board 3, the voice can be output through the mid-high sound speaker 43 or the bass speaker 42. The control panel 3 can transmit control electric energy to the middle and high sound horn 43, the middle and high sound horn 43 will vibrate in the middle and high sound cavity 411 after being electrified, and sound is transmitted to human ears through air after vibration; similarly, the control board 3 can transmit control electric energy to the woofer 42, the woofer 42 will vibrate in the bass cavity 412 after being powered on, and the sound is transmitted to the human ear through the air after vibration.

In the utility model, a plurality of middle and high sound cavities 411 are arranged on the circumferential inner side wall of the box body 41 at intervals, a low sound cavity 412 is arranged inside the sound 4, and the low sound cavity 412 and each middle and high sound cavity 411 are arranged at intervals; the middle and high sound horn 43 is arranged on the circumferential outer wall of the sound box 4, and the middle and high sound horn 43 is communicated with the middle and high sound cavity; the woofer 42 is installed at the bottom of the sound box 4, and the woofer 42 communicates with the bass chamber 412. The multi-channel microphone is provided with a plurality of sound channels, and each sound channel is provided with an independent cavity and a loudspeaker, so that the sound richness of the multi-channel microphone is improved; and each cavity is provided with a corresponding loudspeaker, namely each loudspeaker is provided with an independent cavity, so that resonance caused when all the loudspeakers make sound at the same time is reduced, mutual interference of air flow among the loudspeakers is reduced, and the tone quality of the multi-channel microphone is further improved. In addition, because the well high sound that well high sound loudspeaker 43 sent has stronger directionality, will well high sound loudspeaker 43 sets up on the circumference lateral wall of box 41, miaow head 2 sets up the top of box 41 has reduced miaow head 2 receives the echo of well high sound loudspeaker 43 to improve under limited volume well high sound loudspeaker 43's power output, improved well high sound loudspeaker 43's volume.

In addition, the control board 3 is installed on the top of the case 41, the microphone 2 is installed on the control board 3, and the woofer 42 is disposed on the bottom of the case 41, so that the distance between the microphone 2 and the woofer 42 is increased; because the bass is not directional, the echo of the woofer 42 received by the microphone 2 is reduced, so that the power output of the woofer 42 is increased in a limited volume, and the volume of the woofer 42 is increased. In the application, the multi-channel microphone is compact in structure and small in occupied space.

In one embodiment, as shown in fig. 1, the housing 1 includes a lower shell 12 and an upper shell 13 having a sound pickup hole 131, the upper shell 13 is mounted on the lower shell 12, and the mounting space 11 is enclosed between the upper shell 13 and the lower shell 12; the microphone 2 is arranged opposite to the sound pickup hole 131, and the lower shell 12 is further provided with a middle and high sound hole 121 opposite to the middle and high sound horn 43. It can be understood that the upper shell 13 is of a half-spherical shell structure, the lower shell 12 is of a cylindrical structure, and the upper shell 13 and the lower shell 12 can be connected through a clamping structure. Specifically, the microphone 2 is disposed below the sound pickup hole 131, and the middle-high horn 43 faces the middle-high sound hole 121. In this embodiment, the housing 1 is easily assembled and disassembled, thereby facilitating the repair and assembly of the multi-channel microphone.

In one embodiment, as shown in fig. 1, the casing 41 includes a cover 413 and a casing 414, the casing 414 is provided with the middle-high sound chamber 411 and the bass sound chamber 412, the middle-high sound horn 43 is mounted on the circumferential outer wall of the casing 414, and the bass horn 42 is mounted at the bottom of the casing 414; the cover plate 413 covers the top of the box shell 414, the control board 3 is mounted on the cover plate 413, and the microphone 2 is mounted on the control board 3. It is understood that a first mounting hole communicating with the middle and high sound chamber 411 is formed in the circumferential outer wall of the housing 414, and the middle and high sound horn 43 is mounted in the first mounting hole; the bottom of the box shell 414 is provided with a second mounting hole communicated with the bass cavity 412, and the woofer 42 is mounted in the second mounting hole; the box shell 414 is of an upper end opening type structure, and the box cover covers the opening of the box shell 414. In this embodiment, the sound 4 has a simple structure and is low in manufacturing cost.

In one embodiment, as shown in fig. 1, the multi-channel microphone further includes a supporting plate 5 and a flexible support 6, the supporting plate 5 is mounted on the cover 413, and an accommodating space is defined between the supporting plate 5 and the cover 413, and the control board 3 is located in the accommodating space; the flexible support 6 is arranged on the support plate 5, and the microphone 2 is arranged on the flexible support 6. As can be appreciated, the flexible support 6 can reduce the vibration of the microphone 2, thereby reducing the influence of the microphone 2 on the audio device 4 due to vibration, and the control board 3 is installed between the cover 413 and the support plate 5, thereby improving the stability of the control board 3. In addition, the control board 3 is installed in the accommodating space enclosed by the cover 413 and the support plate 5, thereby avoiding the interference of the external environment to the control board 3 and prolonging the service life of the multi-channel microphone.

In one embodiment, as shown in fig. 1, the multi-channel microphone further includes a vibration disk assembly 7 mounted on the casing 41, and the vibration disk assembly 7 is communicated with the bass chamber 412. It is understood that the outer wall of the housing 414 is further provided with a third mounting hole communicating with the bass chamber 412, and the vibration plate assembly 7 is mounted in the third mounting hole; and the number of the vibrating disks in the vibrating disk assembly 7 can be set according to actual requirements, for example, 2 or 3 vibrating disks are provided. In this embodiment, the vibration of the air in the bass chamber 412 may cause the vibration of the vibration plate assembly 7, so that the vibration plate assembly 7 may increase the audio frequency of the woofer 42, and improve the sound quality of the woofer 42.

In one embodiment, as shown in fig. 1, the sound box 4 further includes a sound guiding plate 8, and the woofer 42 is mounted at the bottom of the box 41 through the sound guiding plate 8. It will be appreciated that the sound-guiding plate 8 is mounted on the bottom of the housing 414 and the woofer 42 is mounted on the sound-guiding plate 8. In this embodiment, the sound guiding plate 8 is designed to diffuse the sound emitted from the woofer 42 to the surrounding, so as to increase the stereoscopic impression of the sound emitted from the woofer 42.

In an embodiment, as shown in fig. 1, a plurality of low sound holes 122 are annularly distributed on the housing 1, and the low sound holes 122 are disposed opposite to the sound guiding plate 8. It can be understood that the woofer 42 emits sound from the woofer hole 122 through the sound leading plate 8, which ensures that the woofer 42 emits sound and improves the aesthetic appearance of the multi-channel microphone.

In one embodiment, as shown in fig. 1, a handheld portion 14 is disposed on the casing 1, an inner space is disposed on the handheld portion 14, the multi-channel microphone further includes a battery 9 mounted in the inner space, and the battery 9 is electrically connected to the control board 3. It is understood that the handle 14 is a cylindrical structure, the handle 14 is disposed below the housing 414, and the outer diameter of the handle 14 is smaller than the outer diameter of the housing 414; in this embodiment, the battery 9 may be used to power the control board 3, the mid-high speaker 43, the bass speaker 42, the microphone 2, and the like, and the design of the handheld portion 14 is convenient for a user to hold the multi-channel microphone.

In one embodiment, as shown in fig. 1, the multi-channel microphone further includes a control button 10 mounted on the handheld portion 14, and the control button 10 is electrically connected to the control board 3. It is understood that the control buttons 10 include, but are not limited to, volume up-down buttons, switch buttons, horn switch buttons, and the like. In this example, the control buttons 10 are provided on the hand-held portion 14, thereby facilitating the use of the multi-channel microphone by the user.

In an embodiment, as shown in fig. 1 and 3, the multi-channel microphone includes two middle and high sound speakers 43, and two middle and high sound cavities 411 are disposed on the circumferential inner sidewall of the case 41 and are spaced and symmetrically distributed. It can be understood that the two middle and high sound cavities 411 are symmetrically distributed, so that the symmetrical two independent middle and high sound horns can reduce air flow interference and vibration, thereby reducing abnormal sound received by the microphone 2 due to vibration. It should be noted that the midhigh sound cavity 411 may also be asymmetrically distributed, and the corresponding midhigh sound horn 43 is also asymmetrically distributed, at this time, the design of the multi-channel microphone is more flexible.

The above description is only an example of the multi-channel microphone of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-channel microphone is characterized by comprising a shell with an installation space, a microphone, a control panel and a sound box, wherein the microphone, the control panel and the sound box are all arranged in the installation space; the sound box comprises a box body, a woofer and a plurality of middle and high sound horns, wherein a plurality of middle and high sound cavities are distributed at intervals on the circumferential inner side wall of the box body, a woofer cavity is arranged inside the sound box, and the woofer cavity and each middle and high sound cavity are arranged at intervals; the middle and high-sound loudspeaker is arranged on the circumferential outer wall of the sound box and is communicated with the middle and high-sound cavity; the woofer is arranged at the bottom of the sound box and is communicated with the bass cavity;

2. The multi-channel microphone of claim 1, wherein the casing includes a lower casing and an upper casing provided with a sound pickup hole, the upper casing is mounted on the lower casing, and the mounting space is defined between the upper casing and the lower casing; the microphone with pick up the sound hole and set up relatively, still be equipped with on the inferior valve with the well high sound hole that well high-pitched horn set up relatively.

3. The multi-channel microphone of claim 1, wherein the cabinet includes a cover and a cabinet, the cabinet being provided with the mid-high sound chamber and the woofer chamber, the mid-high sound horn being mounted on a circumferential outer wall of the cabinet, the woofer being mounted on a bottom of the cabinet; the cover plate covers the top of the box shell, the control board is installed on the cover plate, and the microphone is installed on the control board.

4. The multi-channel microphone of claim 3, further comprising a support plate and a flexible bracket, wherein the support plate is mounted on the cover plate, and an accommodating space is defined between the support plate and the cover plate, and the control board is located in the accommodating space; the flexible support is installed in the backup pad, the miaow head is installed on the flexible support.

5. The multi-channel microphone of claim 1, further comprising a vibration plate assembly mounted to the housing, the vibration plate assembly communicating with the bass chamber.

6. The multi-channel microphone of claim 1, wherein the sound box further comprises a sound guiding plate, and the woofer is mounted to a bottom of the case through the sound guiding plate.

7. The multi-channel microphone of claim 6, wherein the casing has a plurality of low-sound holes distributed in a ring shape, and the low-sound holes are disposed opposite to the sound guiding plate.

8. The multi-channel microphone of claim 1, wherein the housing has a hand-held portion with an interior space, and further comprising a battery mounted in the interior space, the battery being electrically connected to the control board.

9. The multi-channel microphone of claim 8, further comprising a control button mounted on the hand-held portion, the control button being electrically connected to the control board.

10. The multi-channel microphone of claim 1, wherein the multi-channel microphone comprises two middle and high sound horns, and two middle and high sound cavities are arranged on the circumferential inner side wall of the box body and are spaced and symmetrically distributed.